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addons/phantom_camera/scripts/managers/phantom_camera_manager.gd

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+@tool
+extends Node
+
+const _CONSTANTS = preload("res://addons/phantom_camera/scripts/phantom_camera/phantom_camera_constants.gd")
+
+#region Signals
+
+# Noise
+signal noise_2d_emitted(noise_output: Transform2D, emitter_layer: int)
+signal noise_3d_emitted(noise_output: Transform3D, emitter_layer: int)
+
+# PCam Host
+signal pcam_host_added_to_scene(pcam_host: PhantomCameraHost)
+signal pcam_host_removed_from_scene(pcam_host: PhantomCameraHost)
+
+# PCam
+signal pcam_added_to_scene(pcam: Node)
+signal pcam_removed_from_scene(pcam: Node)
+
+# Priority
+signal pcam_priority_changed(pcam: Node)
+signal pcam_visibility_changed(pcam: Node)
+
+signal pcam_teleport(pcam: Node)
+
+# Limit (2D)
+signal limit_2d_changed(side: int, limit: int)
+signal draw_limit_2d(enabled: bool)
+
+# Camera3DResource (3D)
+signal camera_3d_resource_changed(property: String, value: Variant)
+
+# Viewfinder Signals
+signal viewfinder_pcam_host_switch(pcam_host: PhantomCameraHost)
+signal pcam_priority_override(pcam: Node, shouldOverride: bool)
+signal pcam_dead_zone_changed(pcam: Node)
+signal pcam_host_layer_changed(pcam: Node)
+
+#endregion
+
+#region Private Variables
+
+var _phantom_camera_host_list: Array[PhantomCameraHost]
+var _phantom_camera_2d_list: Array[PhantomCamera2D]
+var _phantom_camera_3d_list: Array[Node] ## Note: To support disable_3d export templates for 2D projects, this is purposely not strongly typed.
+
+#endregion
+
+#region Public Variables
+
+var phantom_camera_hosts: Array[PhantomCameraHost]:
+	get:
+		return _phantom_camera_host_list
+
+var phantom_camera_2ds: Array[PhantomCamera2D]:
+	get:
+		return _phantom_camera_2d_list
+
+var phantom_camera_3ds: Array[Node]: ## Note: To support disable_3d export templates for 2D projects, this is purposely not strongly typed.
+	get:
+		return _phantom_camera_3d_list
+
+var screen_size: Vector2i
+
+#endregion
+
+#region Private Functions
+
+func _enter_tree() -> void:
+	if not Engine.has_singleton(_CONSTANTS.PCAM_MANAGER_NODE_NAME):
+		Engine.register_singleton(_CONSTANTS.PCAM_MANAGER_NODE_NAME, self)
+	Engine.physics_jitter_fix = 0
+
+
+func _ready() -> void:
+	# Setting default screensize
+	screen_size = Vector2i(
+		ProjectSettings.get_setting("display/window/size/viewport_width"),
+		ProjectSettings.get_setting("display/window/size/viewport_height")
+	)
+
+	# For editor
+	if Engine.is_editor_hint():
+		ProjectSettings.settings_changed.connect(func():
+			screen_size = Vector2i(
+				ProjectSettings.get_setting("display/window/size/viewport_width"),
+				ProjectSettings.get_setting("display/window/size/viewport_height")
+			)
+		)
+	# For runtime
+	else:
+		get_tree().get_root().size_changed.connect(func():
+			screen_size = get_viewport().get_visible_rect().size
+		)
+
+#endregion
+
+#region Public Functions
+
+func pcam_host_added(caller: Node) -> void:
+	if is_instance_of(caller, PhantomCameraHost):
+		_phantom_camera_host_list.append(caller)
+		pcam_host_added_to_scene.emit(caller)
+	else:
+		printerr("This method can only be called from a PhantomCameraHost node")
+
+func pcam_host_removed(caller: Node) -> void:
+	if is_instance_of(caller, PhantomCameraHost):
+		_phantom_camera_host_list.erase(caller)
+		pcam_host_removed_from_scene.emit(caller)
+	else:
+		printerr("This method can only be called from a PhantomCameraHost node")
+
+
+func pcam_added(caller) -> void:
+	if is_instance_of(caller, PhantomCamera2D):
+		_phantom_camera_2d_list.append(caller)
+		pcam_added_to_scene.emit(caller)
+	elif caller.is_class("PhantomCamera3D"): ## Note: To support disable_3d export templates for 2D projects, this is purposely not strongly typed.
+		_phantom_camera_3d_list.append(caller)
+		pcam_added_to_scene.emit(caller)
+
+func pcam_removed(caller) -> void:
+	if is_instance_of(caller, PhantomCamera2D):
+		_phantom_camera_2d_list.erase(caller)
+		pcam_removed_from_scene.emit(caller)
+	elif caller.is_class("PhantomCamera3D"): ## Note: To support disable_3d export templates for 2D projects, this is purposely not strongly typed.
+		_phantom_camera_3d_list.erase(caller)
+		pcam_removed_from_scene.emit(caller)
+	else:
+		printerr("This method can only be called from a PhantomCamera node")
+
+
+func get_phantom_camera_hosts() -> Array[PhantomCameraHost]:
+	return _phantom_camera_host_list
+
+func get_phantom_camera_2ds() -> Array[PhantomCamera2D]:
+	return _phantom_camera_2d_list
+
+func get_phantom_camera_3ds() -> Array: ## Note: To support disable_3d export templates for 2D projects, this is purposely not strongly typed.
+	return _phantom_camera_3d_list
+
+
+func scene_changed() -> void:
+	_phantom_camera_2d_list.clear()
+	_phantom_camera_3d_list.clear()
+	_phantom_camera_host_list.clear()
+
+#endregion