feat(TimeCountDown): 实现倒计时功能

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Assets/Script/Core/Core.asmdef

@@ -2,7 +2,8 @@
     "name": "Core",
     "rootNamespace": "",
     "references": [
-        "GUID:75469ad4d38634e559750d17036d5f7c"
+        "GUID:75469ad4d38634e559750d17036d5f7c",
+        "GUID:f51ebe6a0ceec4240a699833d6309b23"
     ],
     "includePlatforms": [],
     "excludePlatforms": [],

Assets/Script/Core/UniTimer.cs

@@ -0,0 +1,108 @@
+using System;
+using System.Threading;
+using Cysharp.Threading.Tasks;
+using UnityEngine;
+
+namespace Core
+{
+    /// <summary>
+    /// 通用计时器（正计时 / 倒计时均可）
+    /// 全程 UniTask，无 GC，支持暂停、继续、提前终止
+    /// </summary>
+    public sealed class UniTimer
+    {
+        public float Duration { get; private set; }
+        public float Elapsed { get; private set; }
+        public float Remaining => Mathf.Max(0, Duration - Elapsed);
+
+        public bool IsRunning { get; private set; }
+        public bool IsPaused { get; private set; }
+
+        /// <summary> 每帧回调：参数为当前已走时间 </summary>
+        public event Action<float> OnTick;
+
+        /// <summary> 计时结束回调 </summary>
+        public event Action OnComplete;
+
+        private CancellationTokenSource _cts;
+
+        private UniTaskCompletionSource<bool> _taskSource;
+
+        /*------------------------------------------------------*/
+        /// <summary>
+        /// 开始计时
+        /// </summary>
+        /// <param name="duration">时长（秒）</param>
+        /// <param name="isCountDown">true=倒计时；false=正计时</param>
+        /// <param name="onTick">可选：每帧刷新</param>
+        /// <param name="onComplete">可选：结束回调</param>
+        public UniTask StartAsync(float duration,
+            bool isCountDown = false,
+            Action<float> onTick = null,
+            Action onComplete = null)
+        {
+            Stop(); // 先清理旧任务
+            _taskSource = new UniTaskCompletionSource<bool>(); // 新建
+            Duration = duration;
+            Elapsed = isCountDown ? duration : 0f;
+            OnTick = onTick;
+            OnComplete = onComplete;
+            IsRunning = true;
+            IsPaused = false;
+            _cts = new CancellationTokenSource();
+
+            return RunAsync(_cts.Token, isCountDown);
+        }
+
+        /// <summary> 立即终止（不可恢复） </summary>
+        public void Stop()
+        {
+            if (!IsRunning) return;
+            _cts?.Cancel();
+            _cts?.Dispose();
+            _cts = null;
+            IsRunning = false;
+            _taskSource?.TrySetCanceled(); // 提前终止也通知
+            IsPaused = false;
+        }
+
+        /// <summary> 暂停 </summary>
+        public void Pause() => IsPaused = true;
+
+        /// <summary> 继续 </summary>
+        public void Resume() => IsPaused = false;
+
+        /*------------------------------------------------------*/
+        private async UniTask RunAsync(System.Threading.CancellationToken token, bool countDown)
+        {
+            while (!token.IsCancellationRequested)
+            {
+                if (!IsPaused)
+                {
+                    float dt = Time.deltaTime;
+                    Elapsed += countDown ? -dt : dt;
+
+                    // 触发回调
+                    OnTick?.Invoke(Elapsed);
+
+                    // 结束条件
+                    if (countDown ? Elapsed <= 0f : Elapsed >= Duration)
+                    {
+                        Elapsed = countDown ? 0f : Duration;
+                        OnTick?.Invoke(Elapsed); // 最后再给一次精确值
+                        break;
+                    }
+                }
+
+                await UniTask.Yield(PlayerLoopTiming.Update, token);
+            }
+
+            IsRunning = false;
+            _taskSource?.TrySetResult(true); // 广播“结束”
+            if (!token.IsCancellationRequested)
+                OnComplete?.Invoke();
+        }
+
+        public UniTask WaitForFinishAsync() => _taskSource?.Task ?? UniTask.CompletedTask;
+    }
+}

Assets/Script/Core/UniTimer.cs.meta

@@ -0,0 +1,3 @@
+fileFormatVersion: 2
+guid: 7ddb70eec4a545f29d26f24f8370baae
+timeCreated: 1760751050

Assets/Script/Gameplay/Global/GameCountdownManager.cs

@@ -0,0 +1,89 @@
+using System;
+using Cysharp.Threading.Tasks;
+using UnityEngine;
+using UnityEngine.Events;
+using Core;
+
+namespace Script.Gameplay.Global
+{
+    /// <summary>
+    /// 全局关卡倒计时管理器（UniTimer 版）
+    /// </summary>
+    public sealed class GameCountdownManager : MonoSingleton<GameCountdownManager>
+    {
+
+        [Header("默认关卡时长（秒）")] [SerializeField] private float defaultDuration = 60f;
+
+        [Header("是否受 Time.timeScale 影响")] [SerializeField]
+        private bool useUnscaledTime = false;
+
+        [Header("事件：每秒刷新（剩余秒数）")] public UnityEvent<float> OnTick;
+
+        [Header("事件：倒计时结束")] public UnityEvent OnFinish;
+
+        private UniTimer _timer = new UniTimer();
+
+        /*------------------------------------------------------*/
+        protected override void Awake()
+        {
+            base.Awake();
+            // 确保事件实例化，避免其他脚本订阅时报 NullReferenceException
+            OnTick ??= new UnityEvent<float>();
+            OnFinish ??= new UnityEvent();
+        }
+
+        /// <summary>
+        /// 启动关卡倒计时（默认时长）
+        /// </summary>
+        public UniTask StartLevelTimer() => StartLevelTimer(defaultDuration);
+
+        /// <summary>
+        /// 启动关卡倒计时（指定时长）
+        /// </summary>
+        /// <param name="duration">秒</param>
+        public UniTask StartLevelTimer(float duration)
+        {
+            StopTimer(); // 先清掉旧计时器
+
+            // 用 unscaledDeltaTime 就不受 Time.timeScale 影响
+            Time.timeScale = 1f; // 可根据需求保留或去掉
+            return _timer.StartAsync(
+                duration,
+                isCountDown: true,
+                onTick: left => { OnTick?.Invoke(left); },
+                onComplete: () =>
+                {
+                    OnFinish?.Invoke();
+                    // 这里可以统一处理“时间到”逻辑
+                    TimeOutHandle();
+                });
+        }
+
+        /// <summary> 暂停 </summary>
+        public void Pause() => _timer.Pause();
+
+        /// <summary> 继续 </summary>
+        public void Resume() => _timer.Resume();
+
+        /// <summary> 立即结束并触发 OnFinish </summary>
+        public void StopTimer() => _timer.Stop();
+
+        /// <summary> 剩余时间（秒） </summary>
+        public float Remaining => _timer.Remaining;
+
+        /// <summary> 是否正在跑 </summary>
+        public bool IsRunning => _timer.IsRunning;
+
+        /*------------------------------------------------------*/
+        // 统一处理“时间到”
+        private void TimeOutHandle()
+        {
+            Debug.Log("[GameCountdown] 关卡时间到！");
+            // 可以在这里弹 UI、播放音效、加载结算场景等
+        }
+
+        /*------------------------------------------------------*/
+        // 方便外部 await 等待结束
+        public UniTask WaitForTimeOutAsync() => _timer.WaitForFinishAsync();
+    }
+}

Assets/Script/Gameplay/Global/GameCountdownManager.cs.meta

@@ -0,0 +1,3 @@
+fileFormatVersion: 2
+guid: bdaad0392e5549f0ac761238b649cc70
+timeCreated: 1760751427

Assets/Script/Gameplay/Global/GameFlowManager.cs

@@ -0,0 +1,24 @@
+using System;
+using Core;
+using UnityEngine;
+
+namespace Script.Gameplay.Global
+{
+    public enum GameState
+    {
+        Boot,        // 初始化
+        MainMenu,    // 主菜单
+        Playing,     // 游戏中
+        Paused,      // 暂停
+        GameOver,    // 游戏结束
+        Victory      // 胜利
+    }
+    
+    public class GameFlowManager : MonoSingleton<GameFlowManager>
+    {
+        private void Start()
+        {
+            GameCountdownManager.Instance.StartLevelTimer();
+        }
+    }
+}

Assets/Script/Gameplay/Global/GameFlowManager.cs.meta

@@ -0,0 +1,3 @@
+fileFormatVersion: 2
+guid: 8ff98d4d16514d27a14dc271bbbd19e7
+timeCreated: 1760752445

Assets/Script/Gameplay/Player/PlayerWatchModeController.cs

@@ -2,6 +2,7 @@ using System;
 using Script.Gameplay.Input;
 using UnityEngine;
 using Core;
+using Script.Gameplay.Global;
 
 namespace Gameplay.Player
 {
@@ -11,13 +12,16 @@ namespace Gameplay.Player
         Inside,
         Outside
     }
+
     public class PlayerWatchModeController : MonoBehaviour
     {
         [SerializeField] private Camera cam;
         public event Action OnEnterInsideWatchMode;
         public event Action OnExitInsideWatchMode;
         private InputManager inputManager;
+        private TimePauseManager timePauseManager;
         private WatchMode currentMode = WatchMode.Normal;
+
         public WatchMode CurrentWatchMode
         {
             get => currentMode;
@@ -27,10 +31,12 @@ namespace Gameplay.Player
                 {
                     OnExitInsideWatchMode?.Invoke();
                 }
+
                 if (value == WatchMode.Inside)
                 {
                     OnEnterInsideWatchMode?.Invoke();
                 }
+
                 currentMode = value;
                 SwitchWatchMode(currentMode);
             }
@@ -39,13 +45,15 @@ namespace Gameplay.Player
         private void Start()
         {
             inputManager = InputManager.Instance;
+            timePauseManager = TimePauseManager.Instance;
 
             var input = inputManager.Input;
             input.Player.SwitchWatchMode.performed += ctx =>
             {
                 var modeTemp = (WatchMode)(((int)CurrentWatchMode + 1) % 3);
                 CurrentWatchMode = modeTemp;
-            };;
+            };
+            ;
 
             ControllerLocator.Instance.Register(this);
         }
@@ -60,18 +68,33 @@ namespace Gameplay.Player
                     inputManager.SetCursorState(false, CursorLockMode.Locked);
                     inputManager.SetInputForLook(true);
                     inputManager.SetInputForMove(true);
+                    if (timePauseManager != null)
+                    {
+                        timePauseManager.SetPaused(false);
+                    }
+
                     break;
                 case WatchMode.Inside:
                     SetSeeLines(false);
                     inputManager.SetCursorState(true, CursorLockMode.Confined);
                     inputManager.SetInputForLook(false);
                     inputManager.SetInputForMove(false);
+                    if (timePauseManager != null)
+                    {
+                        timePauseManager.SetPaused(true);
+                    }
+
                     break;
                 case WatchMode.Outside:
                     SetSeeLines(true);
                     inputManager.SetCursorState(false, CursorLockMode.Locked);
                     inputManager.SetInputForLook(true);
                     inputManager.SetInputForMove(true);
+                    if (timePauseManager != null)
+                    {
+                        timePauseManager.SetPaused(false);
+                    }
+
                     break;
                 default:
                     throw new ArgumentOutOfRangeException();

Assets/Script/Gameplay/UI/GameCountDownViewer.cs

@@ -0,0 +1,37 @@
+using System;
+using UnityEngine;
+using UnityEngine.UI;
+using Script.Gameplay.Global;
+namespace UI
+{
+    public class GameCountDownViewer : MonoBehaviour
+    {
+        public Text countdownText;
+        private GameCountdownManager _countdownManager;
+
+        private void Start()
+        {
+            _countdownManager = GameCountdownManager.Instance;
+            if (_countdownManager != null)
+            {
+                _countdownManager.OnTick.AddListener(UpdateCountdown);
+            }
+        }
+        public void UpdateCountdown(float secondsLeft)
+        {
+            if (countdownText != null)
+            {
+                int seconds = Mathf.CeilToInt(secondsLeft);
+                countdownText.text = "倒计时: " + seconds.ToString();
+            }
+        }
+
+        private void OnDestroy()
+        {
+            if (_countdownManager != null)
+            {
+                _countdownManager.OnTick.RemoveListener(UpdateCountdown);
+            }
+        }
+    }
+}

Assets/Script/Gameplay/UI/GameCountDownViewer.cs.meta

@@ -0,0 +1,3 @@
+fileFormatVersion: 2
+guid: 1aa400ea9061498897f3c03b0336cfda
+timeCreated: 1760751782