Refactoring

scene/Scene.gd

@@ -0,0 +1,19 @@
+class_name SceneSingleton extends Node
+
+enum SceneType {
+  UNSET,
+  INITIAL,
+  OVERWORLD
+}
+
+var currentScene:SceneType = SceneType.UNSET
+signal sceneChanged(newScene:SceneType)
+
+func _enter_tree() -> void:
+  currentScene = SceneType.UNSET
+
+func setScene(newScene:SceneType) -> void:
+  if currentScene == newScene:
+    return
+  currentScene = newScene
+  sceneChanged.emit(currentScene)