feat: implemented live refresh

modules/terrain_editor/point_primitive_node.cpp

@@ -7,6 +7,7 @@
 void PointPrimitiveNode::_bind_methods() {
 	BIND_GET_SET(primitive);
 	ClassDB::bind_method(D_METHOD("push_transform_changes"), &self_type::push_transform_changes);
+	ClassDB::bind_method(D_METHOD("preview_transform_changes"), &self_type::preview_transform_changes);
 }
 
 void PointPrimitiveNode::on_underlying_changed() {
@@ -30,6 +31,22 @@ void PointPrimitiveNode::_notification(int what) {
 	}
 }
 
+void PointPrimitiveNode::preview_transform_changes() {
+	if (this->primitive.is_valid()) {
+		this->pushing_change = true;
+		Vector3 const position{ get_global_position() };
+		Vector2 const center{ position.x, position.z };
+		if (center != this->primitive->get_center()) {
+			this->primitive->set_center(center);
+		}
+		if (position.y != this->primitive->get_height()) {
+			this->primitive->set_height(position.y);
+		}
+
+		this->pushing_change = false;
+	}
+}
+
 void PointPrimitiveNode::push_transform_changes() {
 	if (this->primitive.is_valid()) {
 		this->pushing_change = true;

modules/terrain_editor/point_primitive_node.h

@@ -12,6 +12,7 @@ protected:
 	void _notification(int what);
 
 public:
+	void preview_transform_changes();
 	void push_transform_changes();
 	void set_primitive(Ref<PointPrimitive> primitive);
 	Ref<PointPrimitive> get_primitive() const;

project/objects/primitive_nodes/point_primitive_node.tscn

@@ -7,6 +7,16 @@
 script/source = "extends Area3D
 
 var dragged : bool = false
+var refresh_time : float
+@onready
+var parent := get_parent() as PointPrimitiveNode
+
+func _process(delta):
+	if dragged and refresh_time < 0.0:
+		parent.preview_transform_changes.call_deferred()
+		refresh_time = 0.3
+	elif dragged:
+		refresh_time -= minf(delta, 0.05)
 
 func _input(event: InputEvent) -> void:
 	if not dragged:
@@ -14,11 +24,11 @@ func _input(event: InputEvent) -> void:
 	if event is InputEventMouseButton and not (event as InputEventMouseButton).is_pressed():
 		dragged = false
 		Input.mouse_mode = Input.MOUSE_MODE_VISIBLE
-		$\"..\".push_transform_changes.call_deferred()
+		parent.push_transform_changes.call_deferred()
 		get_viewport().set_input_as_handled()
 	elif event is InputEventMouseMotion:
 		var motion := event as InputEventMouseMotion
-		get_parent_node_3d().global_position.y -= motion.screen_relative.y
+		parent.global_position.y -= motion.screen_relative.y
 		get_viewport().set_input_as_handled()
 
 func _input_event(_camera: Camera3D, event: InputEvent, _event_position: Vector3, _normal: Vector3, _shape_idx: int) -> void:
@@ -37,6 +47,16 @@ script/source = "extends Area3D
 
 var dragged : bool = false
 var slope_adjusted : float = 0.0
+var refresh_time : float
+@onready
+var parent = get_parent() as PointPrimitiveNode
+
+func _process(delta):
+	if dragged and refresh_time < 0.0:
+		parent.get_primitive().set_deferred(\"slope\", slope_adjusted)
+		refresh_time = 0.3
+	elif dragged:
+		refresh_time -= minf(delta, 0.05)
 
 func _input(event: InputEvent) -> void:
 	if not dragged:
@@ -66,6 +86,16 @@ func _input_event(_camera: Camera3D, event: InputEvent, _event_position: Vector3
 script/source = "extends Area3D
 
 var dragged : bool = false
+var refresh_time : float
+@onready
+var parent = get_parent() as PointPrimitiveNode
+
+func _process(delta):
+	if dragged and refresh_time < 0.0:
+		parent.preview_transform_changes.call_deferred()
+		refresh_time = 0.3
+	elif dragged:
+		refresh_time -= minf(delta, 0.05)
 
 func _input(event: InputEvent) -> void:
 	if not dragged:
@@ -73,19 +103,20 @@ func _input(event: InputEvent) -> void:
 	if event is InputEventMouseButton and not (event as InputEventMouseButton).is_pressed():
 		dragged = false
 		Input.mouse_mode = Input.MOUSE_MODE_VISIBLE
-		$\"..\".push_transform_changes.call_deferred()
+		parent.push_transform_changes.call_deferred()
 		get_viewport().set_input_as_handled()
 	elif event is InputEventMouseMotion:
 		var motion := event as InputEventMouseMotion
 		var cam_basis := get_viewport().get_camera_3d().global_basis
 		var x_axis := Vector3(cam_basis.x.x, 0, cam_basis.x.z).normalized()
 		var z_axis := Vector3(cam_basis.z.x, 0, cam_basis.z.z).normalized()
-		get_parent_node_3d().global_position += motion.screen_relative.y * z_axis + motion.screen_relative.x * x_axis
+		parent.global_position += motion.screen_relative.y * z_axis + motion.screen_relative.x * x_axis
 		get_viewport().set_input_as_handled()
 
 func _input_event(_camera: Camera3D, event: InputEvent, _event_position: Vector3, _normal: Vector3, _shape_idx: int) -> void:
 	if not dragged and event is InputEventMouseButton and (event as InputEventMouseButton).is_pressed():
 		dragged = true
+		set_process_input(true)
 		Input.mouse_mode = Input.MOUSE_MODE_CAPTURED
 		get_viewport().set_input_as_handled()
 "