added audio subtitle system and menus and more

scripts/autoloads/window_manager.gd

@@ -0,0 +1,12 @@
+extends Node
+
+var close_request_window: ConfirmationDialog
+
+func _ready() -> void:
+	close_request_window = preload("res://scenes/close_game_confirmation.tscn").instantiate()
+	add_child(close_request_window)
+
+func _notification(what: int) -> void:
+	if what == NOTIFICATION_WM_CLOSE_REQUEST:
+		Input.mouse_mode = Input.MOUSE_MODE_VISIBLE
+		close_request_window.popup()