159 lines
7.7 KiB
GDScript
159 lines
7.7 KiB
GDScript
# 文件名: start.gd
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# 场景的根节点脚本，通常用于处理主菜单或启动界面的逻辑。
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extends Node2D
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# --- 节点引用 ---
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@onready var new_game_button: Button = $UI/Select_List/New
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@onready var load_game_button: Button = $UI/Select_List/Load
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# @onready var error_message_label = $UI/ErrorMessageLabel # 如果有错误提示标签
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# --- 场景路径 ---
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# const GameScene_path = "res://Entity/Level/GameScene.tscn" # 不再由此脚本直接切换
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const LOADING_SCENE_PATH = "res://Entity/Level/LoadingScene.tscn" # <--- 新增：LoadingScene的路径，请确保正确！
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# --- Godot 生命周期方法 ---
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func _ready():
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print("Start Scene: Initializing...")
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# --- 连接 UI 信号 ---
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if new_game_button:
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if not new_game_button.is_connected("pressed", Callable(self, "_on_new_game_pressed")):
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new_game_button.pressed.connect(self._on_new_game_pressed)
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print("Start Scene: Connected 'pressed' signal for New Game button.")
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else:
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printerr("Start Scene Error: New Game button node not found at path specified in @onready var.")
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if load_game_button:
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if not load_game_button.is_connected("pressed", Callable(self, "_on_load_game_pressed")):
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load_game_button.pressed.connect(self._on_load_game_pressed)
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print("Start Scene: Connected 'pressed' signal for Load Game button.")
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# 示例：根据存档是否存在禁用加载按钮 (需要 SaveLoadManager Autoload)
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# if ProjectSettings.has_setting("autoload/SaveLoadManager"):
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# load_game_button.disabled = !SaveLoadManager.does_save_exist(1) # 假设检查槽位1
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# else:
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# printerr("Start Scene Warning: SaveLoadManager Autoload not found, cannot check save existence for button state.")
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else:
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printerr("Start Scene Error: Load Game button node not found at path specified in @onready var.")
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# --- 移除 InitializationManager 信号连接 ---
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# 不再需要在此处连接 InitializationManager 的信号，这些将由 LoadingScene 处理。
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# 例如，以下代码需要被移除或注释掉：
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# if ProjectSettings.has_setting("autoload/InitializationManager"):
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# if not InitializationManager.is_connected("new_game_initialized", Callable(self, "_on_initialization_complete")):
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# InitializationManager.new_game_initialized.connect(self._on_initialization_complete)
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# if not InitializationManager.is_connected("game_loaded", Callable(self, "_on_initialization_complete")):
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# InitializationManager.game_loaded.connect(self._on_initialization_complete)
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# else:
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# printerr("Start Scene Error: InitializationManager Autoload is not configured...")
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# 当此节点从场景树中移除时调用
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func _exit_tree():
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# --- 移除 InitializationManager 信号断开 ---
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# 同样，不再需要在此处断开 InitializationManager 的信号。
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# if ProjectSettings.has_setting("autoload/InitializationManager"):
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# if InitializationManager.is_connected("new_game_initialized", Callable(self, "_on_initialization_complete")):
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# InitializationManager.new_game_initialized.disconnect(Callable(self, "_on_initialization_complete"))
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# if InitializationManager.is_connected("game_loaded", Callable(self, "_on_initialization_complete")):
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# InitializationManager.game_loaded.disconnect(Callable(self, "_on_initialization_complete"))
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pass # 如果没有其他需要在退出时清理的，可以留空或移除此函数
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# --- UI 信号回调函数 ---
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# 当“新游戏”按钮被按下时调用
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func _on_new_game_pressed():
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print("Start Scene: 'New Game' button pressed. Transitioning to Loading Scene...")
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if new_game_button: new_game_button.disabled = true # 禁用按钮防止重复点击
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if load_game_button: load_game_button.disabled = true
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# 检查 LoadingContext Autoload 是否存在
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if not ProjectSettings.has_setting("autoload/LoadingContext"):
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printerr("Start Scene CRITICAL Error: LoadingContext Autoload not configured!")
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# 重新启用按钮，让用户可以重试或意识到问题
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if new_game_button: new_game_button.disabled = false
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if load_game_button: load_game_button.disabled = false
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# (可选) 显示错误信息给用户
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# if error_message_label: error_message_label.text = "错误：无法准备加载流程！"
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return
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# 设置 LoadingContext
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LoadingContext.action_to_perform = "new_game"
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LoadingContext.save_data_for_loading = {} # 确保对于新游戏，存档数据为空
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# 切换到 LoadingScene
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var err = get_tree().change_scene_to_file(LOADING_SCENE_PATH)
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if err != OK:
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printerr("Start Scene CRITICAL ERROR: Failed to switch to Loading Scene! Error code: " + str(err))
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if new_game_button: new_game_button.disabled = false
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if load_game_button: load_game_button.disabled = false
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# (可选) 显示错误信息给用户
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# if error_message_label: error_message_label.text = "错误：无法打开加载界面！"
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# 当“加载游戏”按钮被按下时调用
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func _on_load_game_pressed():
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var slot_to_load = 1 # <-- 您可以根据需要修改或添加选择存档槽的逻辑
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print("Start Scene: 'Load Game' button pressed. Requesting load for slot " + str(slot_to_load) + "...")
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if new_game_button: new_game_button.disabled = true
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if load_game_button: load_game_button.disabled = true
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# 检查必要的 Autoloads
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if not ProjectSettings.has_setting("autoload/SaveLoadManager"):
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printerr("Start Scene CRITICAL Error: SaveLoadManager Autoload not configured!")
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if new_game_button: new_game_button.disabled = false
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if load_game_button: load_game_button.disabled = false
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return
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if not ProjectSettings.has_setting("autoload/LoadingContext"):
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printerr("Start Scene CRITICAL Error: LoadingContext Autoload not configured!")
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if new_game_button: new_game_button.disabled = false
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if load_game_button: load_game_button.disabled = false
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return
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# 1. 尝试从 SaveLoadManager 加载数据
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var loaded_data: Variant = SaveLoadManager.load_game(slot_to_load)
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# 2. 检查加载是否成功
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if loaded_data == null:
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printerr("Start Scene: Failed to load save data from slot " + str(slot_to_load) + " (SaveLoadManager returned null).")
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if new_game_button: new_game_button.disabled = false
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if load_game_button: load_game_button.disabled = false
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# (可选) 显示错误信息给用户
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# if error_message_label: error_message_label.text = "加载存档失败！"
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return
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if not loaded_data is Dictionary:
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printerr("Start Scene Error: Loaded data from SaveLoadManager is not a Dictionary. Type:", typeof(loaded_data))
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if new_game_button: new_game_button.disabled = false
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if load_game_button: load_game_button.disabled = false
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return
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# 3. 设置 LoadingContext
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LoadingContext.action_to_perform = "load_game"
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LoadingContext.save_data_for_loading = loaded_data # 将加载到的字典传递过去
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# 4. 切换到 LoadingScene
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var err = get_tree().change_scene_to_file(LOADING_SCENE_PATH)
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if err != OK:
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printerr("Start Scene CRITICAL ERROR: Failed to switch to Loading Scene! Error code: " + str(err))
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if new_game_button: new_game_button.disabled = false
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if load_game_button: load_game_button.disabled = false
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# --- InitializationManager 信号回调函数 ---
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# func _on_initialization_complete(): # <--- 此方法不再需要，可以安全移除或注释掉
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# print("Start Scene: Received initialization complete signal (New Game or Load).")
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# print("--------------------------------------------------")
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# print("Start Scene: Initialization successful!")
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# print("--------------------------------------------------")
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# Go_To_GameScene()
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# --- 辅助函数 ---
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# func Go_To_GameScene(): # <--- 此方法不再需要，因为场景切换由 LoadingScene 处理
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# print("Start Scene: Attempting to switch to Game Scene:", GameScene_path)
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# var err = get_tree().change_scene_to_file(GameScene_path)
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# if err != OK:
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# printerr("Start Scene CRITICAL ERROR: Failed to switch to main game scene!")
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