103 lines
3.4 KiB
GDScript
103 lines
3.4 KiB
GDScript
# TimeManager.gd
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# Autoload Singleton
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# 负责驱动游戏内时间的流逝。
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# 使用 Timer 节点每秒触发一次时间推进逻辑。
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# 从 GameState 读取暂停状态和当前时间，并将更新后的时间写回 GameState。
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extends Node
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# Timer 节点，用于定时触发时间更新
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var _day_timer: Timer
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# 时间单位常量 (可选，但有助于提高可读性)
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const SECONDS_PER_DAY: float = 1.0
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const DAYS_PER_WEEK: int = 7
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const WEEKS_PER_MONTH: int = 4
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const MONTHS_PER_YEAR: int = 12
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func _ready() -> void:
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print("TimeManager: Initializing...")
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# 1. 创建并配置 Timer 节点
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_day_timer = Timer.new()
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_day_timer.name = "DayTimer" # 给节点一个名字，方便调试
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_day_timer.wait_time = SECONDS_PER_DAY
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_day_timer.one_shot = false # 需要重复触发
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# 2. 连接 timeout 信号到处理函数
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# 使用 Callable 进行连接，这是 Godot 4 的推荐方式
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var callable_on_timeout = Callable(self, "_on_day_timer_timeout")
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if not _day_timer.is_connected("timeout", callable_on_timeout):
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_day_timer.connect("timeout", callable_on_timeout)
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# 3. 将 Timer 添加为子节点
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add_child(_day_timer)
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# 4. 启动 Timer (也可以设置 autostart = true)
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_day_timer.start()
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print("TimeManager: Day timer started (", SECONDS_PER_DAY, "s per day).")
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# Timer 超时处理函数，每秒调用一次
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func _on_day_timer_timeout() -> void:
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# 检查游戏是否暂停
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# 直接访问 Autoload GameState
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if GameState.is_game_paused():
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# print("TimeManager: Game paused, skipping time update.") # 可以取消注释用于调试
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return # 如果暂停，则不执行任何操作
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# --- 时间推进逻辑 ---
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# 1. 从 GameState 获取当前时间
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var current_time: Dictionary = GameState.get_value("time")
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# 安全检查：确保获取到的是字典类型
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if typeof(current_time) != TYPE_DICTIONARY or current_time.is_empty():
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printerr("TimeManager: Error - Could not get valid time data from GameState. Current value: ", current_time)
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# 考虑是否停止 Timer 或进行其他错误处理
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_day_timer.stop()
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printerr("TimeManager: Timer stopped due to invalid time data.")
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return
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# 2. 复制当前时间字典，避免直接修改 GameState 中的数据
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var new_time: Dictionary = current_time.duplicate(true) # 使用深拷贝
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# 3. 执行时间进阶计算
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new_time["day"] += 1
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if new_time["day"] > DAYS_PER_WEEK:
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new_time["day"] = 1
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new_time["week"] += 1
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if new_time["week"] > WEEKS_PER_MONTH:
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new_time["week"] = 1
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new_time["month"] += 1
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if new_time["month"] > MONTHS_PER_YEAR:
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new_time["month"] = 1
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new_time["year"] += 1
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print("TimeManager: Happy New Year! Year:", new_time["year"]) # 新年提示
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# 4. 将更新后的时间写回 GameState
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# GameState 的 set_value 会处理信号发射 (state_value_changed, date_changed)
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GameState.set_value("time", new_time)
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# print("TimeManager: Time updated - ", new_time) # 可以取消注释用于调试
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# --- 公共接口 (可选) ---
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# 如果需要从外部控制 Timer (例如，调试或特定事件)
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# func pause_time():
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# _day_timer.paused = true
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#
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# func resume_time():
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# _day_timer.paused = false
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#
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# func set_time_scale(scale: float):
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# # 注意：直接修改 wait_time 会在当前周期结束后生效
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# # 更复杂的倍速可能需要不同的实现方式 (例如 _process 累积 delta * scale)
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# if scale > 0:
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# _day_timer.wait_time = SECONDS_PER_DAY / scale
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# else:
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# printerr("TimeManager: Time scale must be positive.")
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