Added camera feed and plane detection (both vertical and horizontal)

Wip on light estimation and depth estimation too but the later needs a new feature in Godot.

.vscode/launch.json

@@ -0,0 +1,16 @@
+{
+    // Use IntelliSense to learn about possible attributes.
+    // Hover to view descriptions of existing attributes.
+    // For more information, visit: https://go.microsoft.com/fwlink/?linkid=830387
+    "version": "0.2.0",
+    "configurations": [
+        {
+            "name": "Godot open project",
+            "type": "cppvsdbg",
+            "request": "launch",
+            "cwd": "C:/HeavyStuff/Godot_v4.4-dev1_win64.exe/",
+            "program": "C:/HeavyStuff/Godot_v4.4-dev1_win64.exe/Godot_v4.4-dev1_win64.exe",
+            "args": ["--editor", "--path", "C:/HeavyStuff/01_repositories/godot_arcore/plugin/demo"]
+        }
+    ]
+}

.vscode/settings.json

@@ -0,0 +1,5 @@
+{
+    "files.associations": {
+        "thread": "cpp"
+    }
+}

plugin/demo/CamSprite.gd

@@ -0,0 +1,10 @@
+extends Sprite2D
+
+# Called when the node enters the scene tree for the first time.
+func _ready():
+	print("MCT : cameras: ")
+	for feed in CameraServer.feeds():
+		print("MCT : " + feed.get_name())
+
+	printt("MCT : no more cameras")
+

plugin/demo/Camera3D.gd

@@ -0,0 +1,27 @@
+extends Camera3D
+
+
+# Called when the node enters the scene tree for the first time.
+func _ready():
+	var feed = CameraServer.get_feed(0)
+	feed.set_active(true)
+
+	var viewport = SubViewport.new()
+	add_child(viewport)
+	viewport.size = Vector2(640, 480)
+	var cam_texture = CameraTexture.new()
+	cam_texture.feed_id = feed.get_id()
+
+	var sprite = Sprite2D.new()
+	sprite.texture = cam_texture
+	viewport.add_child(sprite)
+
+	feed.camera_feed_updated.connect(_on_CameraFeed_updated)
+
+func _on_CameraFeed_updated():
+	var frame = CameraServer.feed_texture.get_data()
+	# Process frame here
+
+# Called every frame. 'delta' is the elapsed time since the previous frame.
+func _process(delta):
+	pass

plugin/demo/MeshInstance3D.gd

@@ -0,0 +1,11 @@
+extends MeshInstance3D
+
+
+# Called when the node enters the scene tree for the first time.
+func _ready():
+	pass # Replace with function body.
+
+
+# Called every frame. 'delta' is the elapsed time since the previous frame.
+func _process(delta):
+	rotate(Vector3(0, 0, 1), delta)

plugin/demo/export_presets.cfg

@@ -8,7 +8,7 @@ custom_features=""
 export_filter="all_resources"
 include_filter=""
 exclude_filter=""
-export_path="../../../../../Downloads/arcore_demo.apk"
+export_path="./GDExtension Android Plugin Demo.apk"
 encryption_include_filters=""
 encryption_exclude_filters=""
 encrypt_pck=false
@@ -20,16 +20,16 @@ custom_template/debug=""
 custom_template/release=""
 gradle_build/use_gradle_build=true
 gradle_build/export_format=0
-gradle_build/min_sdk=""
-gradle_build/target_sdk=""
+gradle_build/min_sdk="31"
+gradle_build/target_sdk="31"
 architectures/armeabi-v7a=false
 architectures/arm64-v8a=true
 architectures/x86=false
 architectures/x86_64=false
 version/code=1
 version/name=""
-package/unique_name="org.godotengine.android.arcore.plugin"
-package/name="ARCore Demo"
+package/unique_name="org.godotengine.plugin.android.gdextension.arcore.Godot_ARCore_example"
+package/name=""
 package/signed=true
 package/app_category=2
 package/retain_data_on_uninstall=false
@@ -86,10 +86,10 @@ permissions/broadcast_sticky=false
 permissions/broadcast_wap_push=false
 permissions/call_phone=false
 permissions/call_privileged=false
-permissions/camera=false
+permissions/camera=true
 permissions/capture_audio_output=false
 permissions/capture_secure_video_output=false
-permissions/capture_video_output=false
+permissions/capture_video_output=true
 permissions/change_component_enabled_state=false
 permissions/change_configuration=false
 permissions/change_network_state=false

plugin/demo/main.gd

@@ -1,41 +1,18 @@
-extends Node3D
+extends Node2D
 
 # TODO: Update to match your plugin's name
 var _plugin_name = "ARCorePlugin"
-var ARCorePlugin
+var _android_plugin
+
+var simultaneous_scene = preload("res://main3D.tscn").instantiate()
 
 func _ready():
 	if Engine.has_singleton(_plugin_name):
-		ARCorePlugin = Engine.get_singleton(_plugin_name)
-
-		# This sets up access to the environment and godot classes
-		ARCorePlugin.initializeEnvironment()
+		_android_plugin = Engine.get_singleton(_plugin_name)
 	else:
 		printerr("Couldn't find plugin " + _plugin_name)
 
-func _process(delta):
-	# Display the XRCamera position we get from ARCore
-	# print($XROrigin3D.position)
-	# print($XROrigin3D/XRCamera3D.fov)
-	$CanvasLayer/Control/VBoxContainer/MarginContainer2/VBoxContainer/CameraPositionLabel.text = "XRCamera3D.position: " + str($XROrigin3D/XRCamera3D.position)
-	$CanvasLayer/Control/VBoxContainer/MarginContainer2/VBoxContainer/TrackingState.text = "Tracking State: " + get_tracking_state()
-
-func _on_start_ar_button_pressed():
-	print("ARCoreInterfaceInstance")
-
-	# This should be named "ARCoreInterface" but there is a name clash with the registered class "ARCoreInterface"
-	ARCoreInterfaceInstance.start()
-
-func get_tracking_state() -> String:
-	var status = ARCoreInterfaceInstance.get_tracking_status()
-
-	if status == XRInterface.XR_NOT_TRACKING:
-		return "Not Tracking"
-	elif status == XRInterface.XR_NORMAL_TRACKING:
-		return "Normal Tracking"
-	else:
-		return "Unknown Tracking"
-	#if ARCoreInterfaceInstance.get_tracking_status() == 0:
-	#	return "Not Tracking"
-	#else:
-	#	return "Unknown State"
+func _on_Button_pressed():
+	if _android_plugin:
+		# TODO: Update to match your plugin's API
+		get_tree().root.add_child(simultaneous_scene)

plugin/demo/main.tscn

@@ -1,132 +1,19 @@
-[gd_scene load_steps=10 format=3 uid="uid://cg3hylang5fxn"]
+[gd_scene load_steps=2 format=3 uid="uid://cg3hylang5fxn"]
 
 [ext_resource type="Script" path="res://main.gd" id="1_j0gfq"]
 
-[sub_resource type="StyleBoxFlat" id="StyleBoxFlat_rr52s"]
-bg_color = Color(0.2655, 0.317775, 0.45, 1)
-border_width_left = 4
-border_width_top = 4
-border_width_right = 4
-border_width_bottom = 4
-border_color = Color(0.206182, 0.248662, 0.360116, 1)
-corner_radius_top_left = 20
-corner_radius_top_right = 20
-corner_radius_bottom_right = 20
-corner_radius_bottom_left = 20
-
-[sub_resource type="StandardMaterial3D" id="StandardMaterial3D_x8ygb"]
-albedo_color = Color(0, 0, 1, 1)
-
-[sub_resource type="BoxMesh" id="BoxMesh_wukjl"]
-material = SubResource("StandardMaterial3D_x8ygb")
-size = Vector3(0.4, 0.4, 0.4)
-
-[sub_resource type="StandardMaterial3D" id="StandardMaterial3D_trvgj"]
-albedo_color = Color(1, 0, 0, 1)
-
-[sub_resource type="SphereMesh" id="SphereMesh_yvi2r"]
-material = SubResource("StandardMaterial3D_trvgj")
-radius = 0.05
-height = 0.1
-
-[sub_resource type="ProceduralSkyMaterial" id="ProceduralSkyMaterial_lvyi5"]
-sky_horizon_color = Color(0.64625, 0.65575, 0.67075, 1)
-ground_horizon_color = Color(0.64625, 0.65575, 0.67075, 1)
-
-[sub_resource type="Sky" id="Sky_vwrey"]
-sky_material = SubResource("ProceduralSkyMaterial_lvyi5")
-
-[sub_resource type="Environment" id="Environment_603g6"]
-background_mode = 2
-sky = SubResource("Sky_vwrey")
-tonemap_mode = 2
-
-[node name="Main" type="Node3D"]
+[node name="Main" type="Node2D"]
 script = ExtResource("1_j0gfq")
 
-[node name="CanvasLayer" type="CanvasLayer" parent="."]
-
-[node name="Control" type="Control" parent="CanvasLayer"]
-layout_mode = 3
-anchors_preset = 15
-anchor_right = 1.0
-anchor_bottom = 1.0
-grow_horizontal = 2
-grow_vertical = 2
-
-[node name="VBoxContainer" type="VBoxContainer" parent="CanvasLayer/Control"]
-layout_mode = 1
-anchors_preset = 15
+[node name="Button" type="Button" parent="."]
+anchors_preset = 14
+anchor_top = 0.5
 anchor_right = 1.0
-anchor_bottom = 1.0
-grow_horizontal = 2
-grow_vertical = 2
-
-[node name="MarginContainer2" type="MarginContainer" parent="CanvasLayer/Control/VBoxContainer"]
-layout_mode = 2
-theme_override_constants/margin_left = 50
-theme_override_constants/margin_top = 100
-theme_override_constants/margin_right = 50
-theme_override_constants/margin_bottom = 50
-
-[node name="VBoxContainer" type="VBoxContainer" parent="CanvasLayer/Control/VBoxContainer/MarginContainer2"]
-layout_mode = 2
-
-[node name="CameraPositionLabel" type="Label" parent="CanvasLayer/Control/VBoxContainer/MarginContainer2/VBoxContainer"]
-layout_mode = 2
-theme_override_font_sizes/font_size = 30
-text = "XRCamera.position: [0, 0, 0]"
-
-[node name="TrackingState" type="Label" parent="CanvasLayer/Control/VBoxContainer/MarginContainer2/VBoxContainer"]
-layout_mode = 2
-theme_override_font_sizes/font_size = 30
-text = "Tracking State: Not tracking"
-
-[node name="Spacer" type="Control" parent="CanvasLayer/Control/VBoxContainer"]
-layout_mode = 2
-size_flags_vertical = 3
-
-[node name="MarginContainer" type="MarginContainer" parent="CanvasLayer/Control/VBoxContainer"]
-layout_mode = 2
-theme_override_constants/margin_left = 60
-theme_override_constants/margin_top = 30
-theme_override_constants/margin_right = 60
-theme_override_constants/margin_bottom = 120
-
-[node name="StartARButton" type="Button" parent="CanvasLayer/Control/VBoxContainer/MarginContainer"]
-custom_minimum_size = Vector2(0, 150)
-layout_mode = 2
-theme_override_font_sizes/font_size = 60
-theme_override_styles/normal = SubResource("StyleBoxFlat_rr52s")
-text = "Start AR"
-
-[node name="XROrigin3D" type="XROrigin3D" parent="."]
-current = true
-
-[node name="MeshInstance3D" type="MeshInstance3D" parent="XROrigin3D"]
-transform = Transform3D(1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, -1)
-mesh = SubResource("BoxMesh_wukjl")
-
-[node name="Origin" type="MeshInstance3D" parent="XROrigin3D"]
-mesh = SubResource("SphereMesh_yvi2r")
-
-[node name="Label3D" type="Label3D" parent="XROrigin3D/Origin"]
-transform = Transform3D(1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0.190765, 0)
-pixel_size = 0.0005
-text = "Origin
-↓"
-font_size = 120
-outline_size = 30
-
-[node name="XRCamera3D" type="XRCamera3D" parent="XROrigin3D"]
-transform = Transform3D(1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0.476125)
-fov = 60.0
-
-[node name="WorldEnvironment" type="WorldEnvironment" parent="."]
-environment = SubResource("Environment_603g6")
-
-[node name="DirectionalLight3D" type="DirectionalLight3D" parent="."]
-transform = Transform3D(-0.866023, -0.433016, 0.250001, 0, 0.499998, 0.866027, -0.500003, 0.749999, -0.43301, 0, 0, 0)
-shadow_enabled = true
-
-[connection signal="pressed" from="CanvasLayer/Control/VBoxContainer/MarginContainer/StartARButton" to="." method="_on_start_ar_button_pressed"]
+anchor_bottom = 0.5
+offset_left = 40.0
+offset_top = 250.0
+offset_right = 320.0
+offset_bottom = 312.0
+text = "Hello GDExtension World"
+
+[connection signal="pressed" from="Button" to="." method="_on_Button_pressed"]

plugin/demo/main3D.gd

@@ -0,0 +1,75 @@
+extends Node3D
+
+var _plugin_name = "ARCorePlugin"
+var _android_plugin
+
+var is_estimating_light = false
+var original_light_trsf: Transform3D;
+
+# Called when the node enters the scene tree for the first time.
+func _ready():
+	for s in Engine.get_singleton_list():
+		print("MCT " + s.get_basename())
+	if Engine.has_singleton(_plugin_name):
+		print("MCT found plugin")
+		_android_plugin = Engine.get_singleton(_plugin_name)
+	else:
+		printerr("MCT Couldn't find plugin " + _plugin_name)
+
+	print("MCT before initialize_wrapper")
+	_android_plugin.initializeEnvironment()
+
+	print("MCT called initialize_wrapper")
+
+	var ar_interface = ARCoreInterfaceInstance.get_interface()
+	var interface_name = ar_interface.get_name()
+	print("MCT " + interface_name)
+
+	ARCoreInterfaceInstance.start()
+
+	original_light_trsf = $DirectionalLight3D.transform
+
+func _exit_tree():
+	_android_plugin.uninitializeEnvironment()
+
+# Called every frame. 'delta' is the elapsed time since the previous frame.
+func _process(delta):
+	if (is_estimating_light):
+		var light_dir = ARCoreInterfaceInstance.get_light_main_hdr_direction()
+		$DirectionalLight3D.rotation = light_dir
+		var intensity = ARCoreInterfaceInstance.get_light_main_hdr_intensity()
+		$DirectionalLight3D.light_intensity_lumens = intensity.x;
+	else:
+		$DirectionalLight3D.transform = original_light_trsf
+
+
+func _on_node_2d_estimate_depthmap_toggled(toggled):
+	ARCoreInterfaceInstance.enable_depth_estimation(toggled)
+
+func _on_node_2d_show_depthmap_toggled(toggled):
+	ARCoreInterfaceInstance.show_depth_map(toggled)
+
+func _on_node_2d_far_changed(value):
+	ARCoreInterfaceInstance.set_max_depth_meters(value)
+
+func _on_node_2d_vertical_planes_toggled(toggled):
+	ARCoreInterfaceInstance.enable_vertical_plane_detection(toggled)
+
+func _on_node_2d_horizontal_planes_toggled(toggled):
+	ARCoreInterfaceInstance.enable_horizontal_plane_detection(toggled)
+
+func _on_node_2d_images_detection_toggled(toggled):
+	ARCoreInterfaceInstance.enable_images_detection(toggled)
+
+func _on_node_2d_instant_placement_toggled(toggled):
+	ARCoreInterfaceInstance.enable_instant_placement(toggled)
+
+func _on_node_2d_light_estimation_toggled(toggled):
+	is_estimating_light = toggled
+	ARCoreInterfaceInstance.enable_light_estimation(toggled)
+
+func _on_node_2d_point_cloud_detection_toggled(toggled):
+	ARCoreInterfaceInstance.enable_point_cloud_detection(toggled)
+
+func _on_node_2d_switch_orientation(vertical):
+	ARCoreInterfaceInstance.switch_orientation(vertical)