extends Node


@export var scene_parent: Node


var current_scene: Node


func _ready() -> void:
	var tree = get_tree()
	# capture main scene
	if tree.current_scene != self:
		change_scene(tree.current_scene)
		tree.current_scene = self


func change_scene(new_scene: Node) -> void:
	# avoid infinite recursion :P
	if current_scene == new_scene:
		return
	# remove current scene
	if current_scene:
		scene_parent.remove_child(current_scene)
		current_scene.queue_free()
	# add new scene
	if new_scene.is_inside_tree():
		new_scene.get_parent().remove_child.call_deferred(new_scene)
	scene_parent.add_child.call_deferred(new_scene)
	current_scene = new_scene