End of Chapter 3. Loading scene and new game button working!

scripts/loader.gd

@@ -0,0 +1,36 @@
+extends Node
+
+signal LOADING_PROGRESS_UPDATED
+@export var loadingScene: Node = preload("res://scenes/ui/loading_screen.tscn").instantiate()
+
+var scenePath: String
+
+func loadScene(caller: Node, path: String):
+	scenePath = path
+	
+	get_tree().root.add_child(loadingScene)
+
+	ResourceLoader.load_threaded_request(scenePath)
+	print(scenePath)
+	caller.queue_free()
+
+
+# Called every frame. 'delta' is the elapsed time since the previous frame.
+func _process(delta: float) -> void:
+	if scenePath:
+		var progress: Array = []
+		var loaderStatus: ResourceLoader.ThreadLoadStatus = ResourceLoader.load_threaded_get_status(scenePath, progress)
+		
+		if loaderStatus == ResourceLoader.ThreadLoadStatus.THREAD_LOAD_LOADED:
+			var loadedScene = ResourceLoader.load_threaded_get(scenePath).instantiate()
+			get_tree().root.remove_child(loadingScene)
+			get_tree().root.add_child(loadedScene)
+			scenePath = ""
+
+		elif loaderStatus == ResourceLoader.ThreadLoadStatus.THREAD_LOAD_IN_PROGRESS:
+			LOADING_PROGRESS_UPDATED.emit(progress[0])
+		else:
+			pass
+		
+		
+