refactor structure

scenes/main/Main.gd

@@ -0,0 +1,43 @@
+extends Control
+
+@onready var press_any_key_screen = $PressAnyKeyScreen
+var current_menu = null
+
+const MAIN_MENU_SCENE = preload("res://scenes/ui/MainMenu.tscn")
+const SETTINGS_MENU_SCENE = preload("res://scenes/ui/SettingsMenu.tscn")
+
+func _ready():
+	print("Main scene ready")
+	press_any_key_screen.any_key_pressed.connect(_on_any_key_pressed)
+
+func _on_any_key_pressed():
+	print("Transitioning to main menu")
+	press_any_key_screen.queue_free()
+	show_main_menu()
+
+func show_main_menu():
+	clear_current_menu()
+	var main_menu = MAIN_MENU_SCENE.instantiate()
+	main_menu.open_settings.connect(_on_open_settings)
+	add_child(main_menu)
+	current_menu = main_menu
+
+func show_settings_menu():
+	clear_current_menu()
+	var settings_menu = SETTINGS_MENU_SCENE.instantiate()
+	settings_menu.back_to_main_menu.connect(_on_back_to_main_menu)
+	add_child(settings_menu)
+	current_menu = settings_menu
+
+func clear_current_menu():
+	if current_menu:
+		current_menu.queue_free()
+		current_menu = null
+
+func _on_open_settings():
+	print("Opening settings menu")
+	show_settings_menu()
+
+func _on_back_to_main_menu():
+	print("Back to main menu")
+	show_main_menu()