Debug menu, reorganized game scene

nodes/game.gd

@@ -0,0 +1,31 @@
+class_name Game extends Node
+
+@onready var debug_menu: DebugMenu = $DebugMenu
+@onready var active_scene_container: Node = $ActiveSceneContainer
+
+var _default_scene: PackedScene = preload("res://scenes/main_menu.tscn")
+
+func _ready() -> void:
+	debug_menu.active_scene_container = active_scene_container
+	debug_menu.close_requested.connect(_close_debug_menu)
+	debug_menu.visible = false
+	var instance := _default_scene.instantiate()
+	active_scene_container.add_child(instance)
+
+func _unhandled_input(event: InputEvent) -> void:
+	if event.is_action_pressed("debug_toggle"):
+		_toggle_debug_menu()
+
+func _toggle_debug_menu() -> void:
+	if debug_menu.visible:
+		_close_debug_menu()
+	else:
+		_open_debug_menu()
+
+func _open_debug_menu() -> void:
+	debug_menu.visible = true
+	active_scene_container.process_mode = Node.PROCESS_MODE_DISABLED
+
+func _close_debug_menu() -> void:
+	debug_menu.visible = false
+	active_scene_container.process_mode = Node.PROCESS_MODE_INHERIT