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main.js
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var Massim = (function (exports) {
'use strict';
function vnode(sel, data, children, text, elm) {
var key = data === undefined ? undefined : data.key;
return { sel: sel, data: data, children: children, text: text, elm: elm, key: key };
}
var array = Array.isArray;
function primitive(s) {
return typeof s === 'string' || typeof s === 'number';
}
function createElement(tagName) {
return document.createElement(tagName);
}
function createElementNS(namespaceURI, qualifiedName) {
return document.createElementNS(namespaceURI, qualifiedName);
}
function createTextNode(text) {
return document.createTextNode(text);
}
function createComment(text) {
return document.createComment(text);
}
function insertBefore(parentNode, newNode, referenceNode) {
parentNode.insertBefore(newNode, referenceNode);
}
function removeChild(node, child) {
node.removeChild(child);
}
function appendChild(node, child) {
node.appendChild(child);
}
function parentNode(node) {
return node.parentNode;
}
function nextSibling(node) {
return node.nextSibling;
}
function tagName(elm) {
return elm.tagName;
}
function setTextContent(node, text) {
node.textContent = text;
}
function getTextContent(node) {
return node.textContent;
}
function isElement(node) {
return node.nodeType === 1;
}
function isText(node) {
return node.nodeType === 3;
}
function isComment(node) {
return node.nodeType === 8;
}
var htmlDomApi = {
createElement: createElement,
createElementNS: createElementNS,
createTextNode: createTextNode,
createComment: createComment,
insertBefore: insertBefore,
removeChild: removeChild,
appendChild: appendChild,
parentNode: parentNode,
nextSibling: nextSibling,
tagName: tagName,
setTextContent: setTextContent,
getTextContent: getTextContent,
isElement: isElement,
isText: isText,
isComment: isComment,
};
function addNS(data, children, sel) {
data.ns = 'http://www.w3.org/2000/svg';
if (sel !== 'foreignObject' && children !== undefined) {
for (var i = 0; i < children.length; ++i) {
var childData = children[i].data;
if (childData !== undefined) {
addNS(childData, children[i].children, children[i].sel);
}
}
}
}
function h(sel, b, c) {
var data = {}, children, text, i;
if (c !== undefined) {
data = b;
if (array(c)) {
children = c;
}
else if (primitive(c)) {
text = c;
}
else if (c && c.sel) {
children = [c];
}
}
else if (b !== undefined) {
if (array(b)) {
children = b;
}
else if (primitive(b)) {
text = b;
}
else if (b && b.sel) {
children = [b];
}
else {
data = b;
}
}
if (children !== undefined) {
for (i = 0; i < children.length; ++i) {
if (primitive(children[i]))
children[i] = vnode(undefined, undefined, undefined, children[i], undefined);
}
}
if (sel[0] === 's' && sel[1] === 'v' && sel[2] === 'g' &&
(sel.length === 3 || sel[3] === '.' || sel[3] === '#')) {
addNS(data, children, sel);
}
return vnode(sel, data, children, text, undefined);
}
function isUndef(s) { return s === undefined; }
function isDef(s) { return s !== undefined; }
var emptyNode = vnode('', {}, [], undefined, undefined);
function sameVnode(vnode1, vnode2) {
return vnode1.key === vnode2.key && vnode1.sel === vnode2.sel;
}
function isVnode(vnode) {
return vnode.sel !== undefined;
}
function createKeyToOldIdx(children, beginIdx, endIdx) {
var i, map = {}, key, ch;
for (i = beginIdx; i <= endIdx; ++i) {
ch = children[i];
if (ch != null) {
key = ch.key;
if (key !== undefined)
map[key] = i;
}
}
return map;
}
var hooks = ['create', 'update', 'remove', 'destroy', 'pre', 'post'];
function init(modules, domApi) {
var i, j, cbs = {};
var api = domApi !== undefined ? domApi : htmlDomApi;
for (i = 0; i < hooks.length; ++i) {
cbs[hooks[i]] = [];
for (j = 0; j < modules.length; ++j) {
var hook = modules[j][hooks[i]];
if (hook !== undefined) {
cbs[hooks[i]].push(hook);
}
}
}
function emptyNodeAt(elm) {
var id = elm.id ? '#' + elm.id : '';
var c = elm.className ? '.' + elm.className.split(' ').join('.') : '';
return vnode(api.tagName(elm).toLowerCase() + id + c, {}, [], undefined, elm);
}
function createRmCb(childElm, listeners) {
return function rmCb() {
if (--listeners === 0) {
var parent_1 = api.parentNode(childElm);
api.removeChild(parent_1, childElm);
}
};
}
function createElm(vnode, insertedVnodeQueue) {
var i, data = vnode.data;
if (data !== undefined) {
if (isDef(i = data.hook) && isDef(i = i.init)) {
i(vnode);
data = vnode.data;
}
}
var children = vnode.children, sel = vnode.sel;
if (sel === '!') {
if (isUndef(vnode.text)) {
vnode.text = '';
}
vnode.elm = api.createComment(vnode.text);
}
else if (sel !== undefined) {
// Parse selector
var hashIdx = sel.indexOf('#');
var dotIdx = sel.indexOf('.', hashIdx);
var hash = hashIdx > 0 ? hashIdx : sel.length;
var dot = dotIdx > 0 ? dotIdx : sel.length;
var tag = hashIdx !== -1 || dotIdx !== -1 ? sel.slice(0, Math.min(hash, dot)) : sel;
var elm = vnode.elm = isDef(data) && isDef(i = data.ns) ? api.createElementNS(i, tag)
: api.createElement(tag);
if (hash < dot)
elm.setAttribute('id', sel.slice(hash + 1, dot));
if (dotIdx > 0)
elm.setAttribute('class', sel.slice(dot + 1).replace(/\./g, ' '));
for (i = 0; i < cbs.create.length; ++i)
cbs.create[i](emptyNode, vnode);
if (array(children)) {
for (i = 0; i < children.length; ++i) {
var ch = children[i];
if (ch != null) {
api.appendChild(elm, createElm(ch, insertedVnodeQueue));
}
}
}
else if (primitive(vnode.text)) {
api.appendChild(elm, api.createTextNode(vnode.text));
}
i = vnode.data.hook; // Reuse variable
if (isDef(i)) {
if (i.create)
i.create(emptyNode, vnode);
if (i.insert)
insertedVnodeQueue.push(vnode);
}
}
else {
vnode.elm = api.createTextNode(vnode.text);
}
return vnode.elm;
}
function addVnodes(parentElm, before, vnodes, startIdx, endIdx, insertedVnodeQueue) {
for (; startIdx <= endIdx; ++startIdx) {
var ch = vnodes[startIdx];
if (ch != null) {
api.insertBefore(parentElm, createElm(ch, insertedVnodeQueue), before);
}
}
}
function invokeDestroyHook(vnode) {
var i, j, data = vnode.data;
if (data !== undefined) {
if (isDef(i = data.hook) && isDef(i = i.destroy))
i(vnode);
for (i = 0; i < cbs.destroy.length; ++i)
cbs.destroy[i](vnode);
if (vnode.children !== undefined) {
for (j = 0; j < vnode.children.length; ++j) {
i = vnode.children[j];
if (i != null && typeof i !== "string") {
invokeDestroyHook(i);
}
}
}
}
}
function removeVnodes(parentElm, vnodes, startIdx, endIdx) {
for (; startIdx <= endIdx; ++startIdx) {
var i_1 = void 0, listeners = void 0, rm = void 0, ch = vnodes[startIdx];
if (ch != null) {
if (isDef(ch.sel)) {
invokeDestroyHook(ch);
listeners = cbs.remove.length + 1;
rm = createRmCb(ch.elm, listeners);
for (i_1 = 0; i_1 < cbs.remove.length; ++i_1)
cbs.remove[i_1](ch, rm);
if (isDef(i_1 = ch.data) && isDef(i_1 = i_1.hook) && isDef(i_1 = i_1.remove)) {
i_1(ch, rm);
}
else {
rm();
}
}
else { // Text node
api.removeChild(parentElm, ch.elm);
}
}
}
}
function updateChildren(parentElm, oldCh, newCh, insertedVnodeQueue) {
var oldStartIdx = 0, newStartIdx = 0;
var oldEndIdx = oldCh.length - 1;
var oldStartVnode = oldCh[0];
var oldEndVnode = oldCh[oldEndIdx];
var newEndIdx = newCh.length - 1;
var newStartVnode = newCh[0];
var newEndVnode = newCh[newEndIdx];
var oldKeyToIdx;
var idxInOld;
var elmToMove;
var before;
while (oldStartIdx <= oldEndIdx && newStartIdx <= newEndIdx) {
if (oldStartVnode == null) {
oldStartVnode = oldCh[++oldStartIdx]; // Vnode might have been moved left
}
else if (oldEndVnode == null) {
oldEndVnode = oldCh[--oldEndIdx];
}
else if (newStartVnode == null) {
newStartVnode = newCh[++newStartIdx];
}
else if (newEndVnode == null) {
newEndVnode = newCh[--newEndIdx];
}
else if (sameVnode(oldStartVnode, newStartVnode)) {
patchVnode(oldStartVnode, newStartVnode, insertedVnodeQueue);
oldStartVnode = oldCh[++oldStartIdx];
newStartVnode = newCh[++newStartIdx];
}
else if (sameVnode(oldEndVnode, newEndVnode)) {
patchVnode(oldEndVnode, newEndVnode, insertedVnodeQueue);
oldEndVnode = oldCh[--oldEndIdx];
newEndVnode = newCh[--newEndIdx];
}
else if (sameVnode(oldStartVnode, newEndVnode)) { // Vnode moved right
patchVnode(oldStartVnode, newEndVnode, insertedVnodeQueue);
api.insertBefore(parentElm, oldStartVnode.elm, api.nextSibling(oldEndVnode.elm));
oldStartVnode = oldCh[++oldStartIdx];
newEndVnode = newCh[--newEndIdx];
}
else if (sameVnode(oldEndVnode, newStartVnode)) { // Vnode moved left
patchVnode(oldEndVnode, newStartVnode, insertedVnodeQueue);
api.insertBefore(parentElm, oldEndVnode.elm, oldStartVnode.elm);
oldEndVnode = oldCh[--oldEndIdx];
newStartVnode = newCh[++newStartIdx];
}
else {
if (oldKeyToIdx === undefined) {
oldKeyToIdx = createKeyToOldIdx(oldCh, oldStartIdx, oldEndIdx);
}
idxInOld = oldKeyToIdx[newStartVnode.key];
if (isUndef(idxInOld)) { // New element
api.insertBefore(parentElm, createElm(newStartVnode, insertedVnodeQueue), oldStartVnode.elm);
newStartVnode = newCh[++newStartIdx];
}
else {
elmToMove = oldCh[idxInOld];
if (elmToMove.sel !== newStartVnode.sel) {
api.insertBefore(parentElm, createElm(newStartVnode, insertedVnodeQueue), oldStartVnode.elm);
}
else {
patchVnode(elmToMove, newStartVnode, insertedVnodeQueue);
oldCh[idxInOld] = undefined;
api.insertBefore(parentElm, elmToMove.elm, oldStartVnode.elm);
}
newStartVnode = newCh[++newStartIdx];
}
}
}
if (oldStartIdx <= oldEndIdx || newStartIdx <= newEndIdx) {
if (oldStartIdx > oldEndIdx) {
before = newCh[newEndIdx + 1] == null ? null : newCh[newEndIdx + 1].elm;
addVnodes(parentElm, before, newCh, newStartIdx, newEndIdx, insertedVnodeQueue);
}
else {
removeVnodes(parentElm, oldCh, oldStartIdx, oldEndIdx);
}
}
}
function patchVnode(oldVnode, vnode, insertedVnodeQueue) {
var i, hook;
if (isDef(i = vnode.data) && isDef(hook = i.hook) && isDef(i = hook.prepatch)) {
i(oldVnode, vnode);
}
var elm = vnode.elm = oldVnode.elm;
var oldCh = oldVnode.children;
var ch = vnode.children;
if (oldVnode === vnode)
return;
if (vnode.data !== undefined) {
for (i = 0; i < cbs.update.length; ++i)
cbs.update[i](oldVnode, vnode);
i = vnode.data.hook;
if (isDef(i) && isDef(i = i.update))
i(oldVnode, vnode);
}
if (isUndef(vnode.text)) {
if (isDef(oldCh) && isDef(ch)) {
if (oldCh !== ch)
updateChildren(elm, oldCh, ch, insertedVnodeQueue);
}
else if (isDef(ch)) {
if (isDef(oldVnode.text))
api.setTextContent(elm, '');
addVnodes(elm, null, ch, 0, ch.length - 1, insertedVnodeQueue);
}
else if (isDef(oldCh)) {
removeVnodes(elm, oldCh, 0, oldCh.length - 1);
}
else if (isDef(oldVnode.text)) {
api.setTextContent(elm, '');
}
}
else if (oldVnode.text !== vnode.text) {
if (isDef(oldCh)) {
removeVnodes(elm, oldCh, 0, oldCh.length - 1);
}
api.setTextContent(elm, vnode.text);
}
if (isDef(hook) && isDef(i = hook.postpatch)) {
i(oldVnode, vnode);
}
}
return function patch(oldVnode, vnode) {
var i, elm, parent;
var insertedVnodeQueue = [];
for (i = 0; i < cbs.pre.length; ++i)
cbs.pre[i]();
if (!isVnode(oldVnode)) {
oldVnode = emptyNodeAt(oldVnode);
}
if (sameVnode(oldVnode, vnode)) {
patchVnode(oldVnode, vnode, insertedVnodeQueue);
}
else {
elm = oldVnode.elm;
parent = api.parentNode(elm);
createElm(vnode, insertedVnodeQueue);
if (parent !== null) {
api.insertBefore(parent, vnode.elm, api.nextSibling(elm));
removeVnodes(parent, [oldVnode], 0, 0);
}
}
for (i = 0; i < insertedVnodeQueue.length; ++i) {
insertedVnodeQueue[i].data.hook.insert(insertedVnodeQueue[i]);
}
for (i = 0; i < cbs.post.length; ++i)
cbs.post[i]();
return vnode;
};
}
function createCommonjsModule(fn, basedir, module) {
return module = {
path: basedir,
exports: {},
require: function (path, base) {
return commonjsRequire(path, (base === undefined || base === null) ? module.path : base);
}
}, fn(module, module.exports), module.exports;
}
function commonjsRequire () {
throw new Error('Dynamic requires are not currently supported by @rollup/plugin-commonjs');
}
var _class = createCommonjsModule(function (module, exports) {
Object.defineProperty(exports, "__esModule", { value: true });
function updateClass(oldVnode, vnode) {
var cur, name, elm = vnode.elm, oldClass = oldVnode.data.class, klass = vnode.data.class;
if (!oldClass && !klass)
return;
if (oldClass === klass)
return;
oldClass = oldClass || {};
klass = klass || {};
for (name in oldClass) {
if (!klass[name]) {
elm.classList.remove(name);
}
}
for (name in klass) {
cur = klass[name];
if (cur !== oldClass[name]) {
elm.classList[cur ? 'add' : 'remove'](name);
}
}
}
exports.classModule = { create: updateClass, update: updateClass };
exports.default = exports.classModule;
});
var props = createCommonjsModule(function (module, exports) {
Object.defineProperty(exports, "__esModule", { value: true });
function updateProps(oldVnode, vnode) {
var key, cur, old, elm = vnode.elm, oldProps = oldVnode.data.props, props = vnode.data.props;
if (!oldProps && !props)
return;
if (oldProps === props)
return;
oldProps = oldProps || {};
props = props || {};
for (key in oldProps) {
if (!props[key]) {
delete elm[key];
}
}
for (key in props) {
cur = props[key];
old = oldProps[key];
if (old !== cur && (key !== 'value' || elm[key] !== cur)) {
elm[key] = cur;
}
}
}
exports.propsModule = { create: updateProps, update: updateProps };
exports.default = exports.propsModule;
});
var attributes = createCommonjsModule(function (module, exports) {
Object.defineProperty(exports, "__esModule", { value: true });
var xlinkNS = 'http://www.w3.org/1999/xlink';
var xmlNS = 'http://www.w3.org/XML/1998/namespace';
var colonChar = 58;
var xChar = 120;
function updateAttrs(oldVnode, vnode) {
var key, elm = vnode.elm, oldAttrs = oldVnode.data.attrs, attrs = vnode.data.attrs;
if (!oldAttrs && !attrs)
return;
if (oldAttrs === attrs)
return;
oldAttrs = oldAttrs || {};
attrs = attrs || {};
// update modified attributes, add new attributes
for (key in attrs) {
var cur = attrs[key];
var old = oldAttrs[key];
if (old !== cur) {
if (cur === true) {
elm.setAttribute(key, "");
}
else if (cur === false) {
elm.removeAttribute(key);
}
else {
if (key.charCodeAt(0) !== xChar) {
elm.setAttribute(key, cur);
}
else if (key.charCodeAt(3) === colonChar) {
// Assume xml namespace
elm.setAttributeNS(xmlNS, key, cur);
}
else if (key.charCodeAt(5) === colonChar) {
// Assume xlink namespace
elm.setAttributeNS(xlinkNS, key, cur);
}
else {
elm.setAttribute(key, cur);
}
}
}
}
// remove removed attributes
// use `in` operator since the previous `for` iteration uses it (.i.e. add even attributes with undefined value)
// the other option is to remove all attributes with value == undefined
for (key in oldAttrs) {
if (!(key in attrs)) {
elm.removeAttribute(key);
}
}
}
exports.attributesModule = { create: updateAttrs, update: updateAttrs };
exports.default = exports.attributesModule;
});
var eventlisteners = createCommonjsModule(function (module, exports) {
Object.defineProperty(exports, "__esModule", { value: true });
function invokeHandler(handler, vnode, event) {
if (typeof handler === "function") {
// call function handler
handler.call(vnode, event, vnode);
}
else if (typeof handler === "object") {
// call handler with arguments
if (typeof handler[0] === "function") {
// special case for single argument for performance
if (handler.length === 2) {
handler[0].call(vnode, handler[1], event, vnode);
}
else {
var args = handler.slice(1);
args.push(event);
args.push(vnode);
handler[0].apply(vnode, args);
}
}
else {
// call multiple handlers
for (var i = 0; i < handler.length; i++) {
invokeHandler(handler[i], vnode, event);
}
}
}
}
function handleEvent(event, vnode) {
var name = event.type, on = vnode.data.on;
// call event handler(s) if exists
if (on && on[name]) {
invokeHandler(on[name], vnode, event);
}
}
function createListener() {
return function handler(event) {
handleEvent(event, handler.vnode);
};
}
function updateEventListeners(oldVnode, vnode) {
var oldOn = oldVnode.data.on, oldListener = oldVnode.listener, oldElm = oldVnode.elm, on = vnode && vnode.data.on, elm = (vnode && vnode.elm), name;
// optimization for reused immutable handlers
if (oldOn === on) {
return;
}
// remove existing listeners which no longer used
if (oldOn && oldListener) {
// if element changed or deleted we remove all existing listeners unconditionally
if (!on) {
for (name in oldOn) {
// remove listener if element was changed or existing listeners removed
oldElm.removeEventListener(name, oldListener, false);
}
}
else {
for (name in oldOn) {
// remove listener if existing listener removed
if (!on[name]) {
oldElm.removeEventListener(name, oldListener, false);
}
}
}
}
// add new listeners which has not already attached
if (on) {
// reuse existing listener or create new
var listener = vnode.listener = oldVnode.listener || createListener();
// update vnode for listener
listener.vnode = vnode;
// if element changed or added we add all needed listeners unconditionally
if (!oldOn) {
for (name in on) {
// add listener if element was changed or new listeners added
elm.addEventListener(name, listener, false);
}
}
else {
for (name in on) {
// add listener if new listener added
if (!oldOn[name]) {
elm.addEventListener(name, listener, false);
}
}
}
}
}
exports.eventListenersModule = {
create: updateEventListeners,
update: updateEventListeners,
destroy: updateEventListeners
};
exports.default = exports.eventListenersModule;
});
var style = createCommonjsModule(function (module, exports) {
Object.defineProperty(exports, "__esModule", { value: true });
// Bindig `requestAnimationFrame` like this fixes a bug in IE/Edge. See #360 and #409.
var raf = (typeof window !== 'undefined' && (window.requestAnimationFrame).bind(window)) || setTimeout;
var nextFrame = function (fn) { raf(function () { raf(fn); }); };
var reflowForced = false;
function setNextFrame(obj, prop, val) {
nextFrame(function () { obj[prop] = val; });
}
function updateStyle(oldVnode, vnode) {
var cur, name, elm = vnode.elm, oldStyle = oldVnode.data.style, style = vnode.data.style;
if (!oldStyle && !style)
return;
if (oldStyle === style)
return;
oldStyle = oldStyle || {};
style = style || {};
var oldHasDel = 'delayed' in oldStyle;
for (name in oldStyle) {
if (!style[name]) {
if (name[0] === '-' && name[1] === '-') {
elm.style.removeProperty(name);
}
else {
elm.style[name] = '';
}
}
}
for (name in style) {
cur = style[name];
if (name === 'delayed' && style.delayed) {
for (var name2 in style.delayed) {
cur = style.delayed[name2];
if (!oldHasDel || cur !== oldStyle.delayed[name2]) {
setNextFrame(elm.style, name2, cur);
}
}
}
else if (name !== 'remove' && cur !== oldStyle[name]) {
if (name[0] === '-' && name[1] === '-') {
elm.style.setProperty(name, cur);
}
else {
elm.style[name] = cur;
}
}
}
}
function applyDestroyStyle(vnode) {
var style, name, elm = vnode.elm, s = vnode.data.style;
if (!s || !(style = s.destroy))
return;
for (name in style) {
elm.style[name] = style[name];
}
}
function applyRemoveStyle(vnode, rm) {
var s = vnode.data.style;
if (!s || !s.remove) {
rm();
return;
}
if (!reflowForced) {
vnode.elm.offsetLeft;
reflowForced = true;
}
var name, elm = vnode.elm, i = 0, compStyle, style = s.remove, amount = 0, applied = [];
for (name in style) {
applied.push(name);
elm.style[name] = style[name];
}
compStyle = getComputedStyle(elm);
var props = compStyle['transition-property'].split(', ');
for (; i < props.length; ++i) {
if (applied.indexOf(props[i]) !== -1)
amount++;
}
elm.addEventListener('transitionend', function (ev) {
if (ev.target === elm)
--amount;
if (amount === 0)
rm();
});
}
function forceReflow() {
reflowForced = false;
}
exports.styleModule = {
pre: forceReflow,
create: updateStyle,
update: updateStyle,
destroy: applyDestroyStyle,
remove: applyRemoveStyle
};
exports.default = exports.styleModule;
});
function compareAgent(a, b) {
if (a.team < b.team)
return -1;
else if (a.team > b.team)
return 1;
const suffixA = parseInt(a.name.replace(/^[^\d]*/, ''), 10);
const suffixB = parseInt(b.name.replace(/^[^\d]*/, ''), 10);
if (suffixA < suffixB)
return -1;
else if (suffixA > suffixB)
return 1;
if (a.name < b.name)
return -1;
else if (a.name > b.name)
return 1;
else
return 0;
}
const teams = ['blue', 'green', '#ff1493', '#8b0000'];
const goal = 'rgba(255, 0, 0, 0.4)';
const goalOnLight = '#f58f8f';
const obstacle = '#333';
const board = '#00ffff';
const blocks = ['#41470b', '#78730d', '#bab217', '#e3d682', '#b3a06f', '#9c7640', '#5a4c35'];
const hover = 'rgba(180, 180, 255, 0.4)';
const minScale = 10;
const maxScale = 100;
class MapCtrl {
constructor(root) {
this.root = root;
this.vm = {
transform: {
x: 0,
y: 0,
scale: 20,
},
};
}
selectedAgent() {
if (!this.root.vm.dynamic)
return;
return this.root.vm.dynamic.entities.find(a => a.id === this.vm.selected);
}
select(pos) {
if (pos && this.root.vm.dynamic) {
const agents = this.root.vm.dynamic.entities.filter(a => a.x == pos.x && a.y == pos.y);
agents.reverse(); // opposite of rendering order
if (agents.every(a => a.id !== this.vm.selected))
this.vm.selected = undefined;
const selected = this.selectedAgent();
for (const agent of agents) {
if (!selected || compareAgent(selected, agent) > 0) {
this.vm.selected = agent.id;
this.root.redraw();
return;
}
}
}
this.vm.selected = undefined;
this.root.redraw();
}
invPos(pos, bounds) {
// relative to bounds
const x = pos[0] - bounds.x;
const y = pos[1] - bounds.y;
if (x < 0 || x > bounds.width || y < 0 || y > bounds.height)
return;
// relative to transform
const p = {
x: Math.floor((x - this.vm.transform.x) / this.vm.transform.scale),
y: Math.floor((y - this.vm.transform.y) / this.vm.transform.scale),
};
// relative to grid
if (this.root.vm.static) {
return {
x: mod(p.x, this.root.vm.static.grid.width),
y: mod(p.y, this.root.vm.static.grid.height),
};
}
else
return p;
}
zoom(center, factor) {
if (this.vm.transform.scale * factor < minScale)
factor = minScale / this.vm.transform.scale;
if (this.vm.transform.scale * factor > maxScale)
factor = maxScale / this.vm.transform.scale;
this.vm.transform = {
x: center[0] + (this.vm.transform.x - center[0]) * factor,
y: center[1] + (this.vm.transform.y - center[1]) * factor,
scale: this.vm.transform.scale * factor,
};
}
}
function mapView(ctrl, opts) {
return h('canvas', {
attrs: (opts === null || opts === void 0 ? void 0 : opts.size) ? {
width: opts.size,
height: opts.size,
} : undefined,
hook: {
insert(vnode) {
const elm = vnode.elm;
if (opts === null || opts === void 0 ? void 0 : opts.size)
render(elm, ctrl, opts);
else
new window.ResizeObserver((entries) => {
for (const entry of entries) {
elm.width = entry.contentRect.width;
elm.height = entry.contentRect.height;
requestAnimationFrame(() => render(elm, ctrl, opts));
}
}).observe(elm);
const mouseup = (ev) => {
if (ctrl.vm.dragging || ctrl.vm.zooming)
ev.preventDefault();
if (ctrl.vm.dragging && !ctrl.vm.dragging.started) {
const pos = eventPosition(ev) || ctrl.vm.dragging.first;
ctrl.select(ctrl.invPos(pos, elm.getBoundingClientRect()));
}
ctrl.vm.dragging = undefined;
ctrl.vm.zooming = undefined;
};
const mousemove = (ev) => {
const zoom = eventZoom(ev);
if (ctrl.vm.zooming && zoom) {
ctrl.vm.transform = Object.assign({}, ctrl.vm.zooming.initialTransform);
ctrl.zoom([
(ctrl.vm.zooming.zoom.center[0] + zoom.center[0]) / 2,
(ctrl.vm.zooming.zoom.center[1] + zoom.center[1]) / 2,
], zoom.distance / ctrl.vm.zooming.zoom.distance);
ev.preventDefault();
return;
}
const pos = eventPosition(ev);
if (pos) {
const inv = ctrl.invPos(pos, elm.getBoundingClientRect());
if (inv)
ctrl.root.setHover(inv);
}
if (ctrl.vm.dragging && pos) {
if (ctrl.vm.dragging.started || distanceSq(ctrl.vm.dragging.first, pos) > 20 * 20) {
ctrl.vm.dragging.started = true;
ctrl.vm.transform.x += pos[0] - ctrl.vm.dragging.latest[0];
ctrl.vm.transform.y += pos[1] - ctrl.vm.dragging.latest[1];
ctrl.vm.dragging.latest = pos;
}
ev.preventDefault();
}
};
const mousedown = (ev) => {
if (ev.button !== undefined && ev.button !== 0)
return; // only left click
const pos = eventPosition(ev);
const zoom = eventZoom(ev);
if (zoom) {
ctrl.vm.zooming = {
initialTransform: Object.assign({}, ctrl.vm.transform),
zoom,
};
}
else if (pos) {
ctrl.vm.dragging = {
first: pos,
latest: pos,
started: false,
};
}
if (zoom || pos) {
ev.preventDefault();
requestAnimationFrame(() => render(ev.target, ctrl, opts, true));
}
};
const wheel = (ev) => {
ev.preventDefault();
ctrl.zoom([ev.offsetX, ev.offsetY], Math.pow(3 / 2, -ev.deltaY / (ev.deltaMode ? 6.25 : 100)));
requestAnimationFrame(() => render(ev.target, ctrl, opts));
};
elm.massim = {
unbinds: (opts === null || opts === void 0 ? void 0 : opts.viewOnly) ? [
unbindable(document, 'mousemove', mousemove, { passive: false }),
] : [
unbindable(elm, 'mousedown', mousedown, { passive: false }),
unbindable(elm, 'touchstart', mousedown, { passive: false }),
unbindable(elm, 'wheel', wheel, { passive: false }),
unbindable(document, 'mouseup', mouseup),
unbindable(document, 'touchend', mouseup),
unbindable(document, 'mousemove', mousemove, { passive: false }),
unbindable(document, 'touchmove', mousemove, { passive: false }),
],
};
},
update(_, vnode) {
render(vnode.elm, ctrl, opts);
},
destroy(vnode) {
var _a;
const unbinds = (_a = vnode.elm.massim) === null || _a === void 0 ? void 0 : _a.unbinds;
if (unbinds)
for (const unbind of unbinds)
unbind();
},
},
});
}
function unbindable(el, eventName, callback, options) {
el.addEventListener(eventName, callback, options);
return () => el.removeEventListener(eventName, callback, options);
}
function eventZoom(e) {
var _a;
if (((_a = e.targetTouches) === null || _a === void 0 ? void 0 : _a.length) !== 2)
return;
return {
center: [
(e.targetTouches[0].clientX + e.targetTouches[1].clientX) / 2,
(e.targetTouches[0].clientY + e.targetTouches[1].clientY) / 2
],
distance: Math.max(20, Math.hypot(e.targetTouches[0].clientX - e.targetTouches[1].clientX, e.targetTouches[0].clientY - e.targetTouches[1].clientY))
};
}
function eventPosition(e) {
var _a;
if (e.clientX || e.clientX === 0)
return [e.clientX, e.clientY];
if ((_a = e.targetTouches) === null || _a === void 0 ? void 0 : _a[0])
return [e.targetTouches[0].clientX, e.targetTouches[0].clientY];
return;
}
function distanceSq(a, b) {
const dx = a[0] - b[0];
const dy = a[1] - b[1];
return dx * dx + dy * dy;
}
function mod(a, b) {
return ((a % b) + b) % b;
}
function render(canvas, ctrl, opts, raf = false) {
const vm = ctrl.vm;
const width = canvas.width, height = canvas.height;
const ctx = canvas.getContext('2d');
ctx.save();
// font
ctx.textBaseline = 'middle';
ctx.textAlign = 'center';
ctx.font = '0.4px Arial';
// fill background