more work on level system

autoloads/scene_manager.gd

@@ -1,6 +1,10 @@
 extends Node
 
 
+## Emitted when the current scene is changed.
+signal current_scene_changed(new_scene: Node)
+
+
 ## Methods of scaling the game viewport.
 enum ScaleMode {
 	## Maintain aspect ratio and scale by highest whole number that will fit within the screen.
@@ -46,6 +50,7 @@ var current_scene: Node:
 			new_scene.get_parent().remove_child.call_deferred(new_scene)
 		viewport.add_child.call_deferred(new_scene)
 		current_scene = new_scene
+		current_scene_changed.emit(new_scene)
 
 
 func _ready() -> void: