fix(enemy): 终审修复——删死代码群体警戒、修 Waypoints 到达推进、补 Locomotion 缺失报错

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

Assets/_Game/Scripts/Enemies/EnemyBase.cs

@@ -377,9 +377,6 @@ namespace BaseGames.Enemies
             // LOD tick 速率控制迁移到后续 AiScheduler 阶段
         }
 
-        // ── 警戒传播（Group Alert）────────────────────────────────────────
-        private static readonly UnityEngine.Collider2D[] _alertBuffer = new UnityEngine.Collider2D[32];
-
         // ── 弹反（Parry）响应 ──────────────────────────────────────────────
         private bool  _wasParried;
         private float _parryTimestamp;
@@ -417,39 +414,6 @@ namespace BaseGames.Enemies
             ScheduleStateRecovery(EnemyStateType.Stagger, staggerDuration);
         }
 
-        /// <summary>
-        /// 通知半径内的其他敌人进入 Alert 阶段（Group Alert 广播）。
-        /// 配合 BD_BroadcastAlert 在进入 Chase 阶段时调用。
-        /// </summary>
-        public void AlertNearby(float radius)
-        {
-            if (radius <= 0f) return;
-            int count = Physics2D.OverlapCircleNonAlloc(transform.position, radius, _alertBuffer);
-            for (int i = 0; i < count; i++)
-            {
-                if (_alertBuffer[i] == null) continue;
-                var enemy = _alertBuffer[i].GetComponentInParent<EnemyBase>();
-                if (enemy == null || enemy == this) continue;
-                enemy.ReceiveAlert(_playerTransform, LastKnownPlayerPosition);
-            }
-        }
-
-        /// <summary>
-        /// 接收来自邻近敌人的警戒广播。
-        /// 当前处于 Idle / Patrol 时切换到 Alert；Chase / Combat 中不降级。
-        /// </summary>
-        public void ReceiveAlert(Transform sharedPlayerTransform, Vector2 lastKnownPos)
-        {
-            if (!IsAlive) return;
-            if (IsEngaged) return;
-
-            // 同步玩家引用（若本敌人尚未感知到玩家）
-            if (sharedPlayerTransform != null && _playerTransform == null)
-                _playerTransform = sharedPlayerTransform;
-            LastKnownPlayerPosition = lastKnownPos;
-            PlayLocomotionClip(LocomotionMode.Face);
-        }
-
         /// <summary>按当前移动模式播放步态动画（由 EnemyLocomotion 在模式变化时调用）。</summary>
         public void PlayLocomotionClip(LocomotionMode mode)
         {
@@ -550,6 +514,8 @@ namespace BaseGames.Enemies
 
             _nav          = GetComponent<IPathAgent>() ?? new NullPathAgent();
             _locomotion   = GetComponentInChildren<IEnemyLocomotion>(true);
+            if (_locomotion == null)
+                Debug.LogError($"EnemyBase 未找到 EnemyLocomotion 组件：{name}", this);
             if (_movement == null) _movement = GetComponent<EnemyMovement>();
             _poiseSource  = GetComponent<IPoiseSource>();
             _sensorHub     = GetComponentInChildren<Perception.IPerceptionSystem>();

Assets/_Game/Scripts/Enemies/EnemyMovement.cs

@@ -502,7 +502,7 @@ namespace BaseGames.Enemies
             _turnCoroutine = null;
 
             // 转身完成后恢复运动动画：Turn 覆盖了之前的 Walk/Run，
-            // 上层（EnemyBase.SetAiPhase）只在阶段切换时播放一次动画，不会在此处重播。
+            // 上层（EnemyLocomotion 按模式切换）只在切换时播放一次步态动画，不会在此处重播。
             ResumeMovementAnimation();
         }
 

Assets/_Game/Scripts/Enemies/EnemyStatsSO.cs

@@ -52,10 +52,5 @@ namespace BaseGames.Enemies
         [Header("受击分级")]
         [Tooltip("Stagger / KnockUp 伤害阈值及击飞参数")]
         public HitTierConfig HitTiers;
-
-        [Header("警戒传播（Group Alert）")]
-        [Tooltip("发现玩家时通知周围同伴进入 Alert 的半径（m）；0 = 关闭")]
-        [Min(0f)]
-        public float AlertBroadcastRadius = 0f;
     }
 }

Assets/_Game/Scripts/Enemies/Navigation/EnemyLocomotion.cs

@@ -17,6 +17,7 @@ namespace BaseGames.Enemies
         [Header("Waypoints 策略参数")]
         [SerializeField] private Transform[] _waypoints;
         [SerializeField] private bool _pingPong;
+        [SerializeField] private float _waypointArriveRadius = 0.4f;
 
         private EnemyBase _enemy;
         private LocomotionMode _mode = LocomotionMode.Idle;
@@ -116,7 +117,7 @@ namespace BaseGames.Enemies
                     _enemy.MoveInDirection(_paceDir);
                     break;
 
-                case PatrolStrategy.Waypoints: // 按序（loop 或 ping-pong）巡逻路点
+                case PatrolStrategy.Waypoints:
                     if (_waypoints == null || _waypoints.Length == 0)
                     {
                         if (!_warnedNoWaypoints)
@@ -126,7 +127,10 @@ namespace BaseGames.Enemies
                         }
                         break;
                     }
-                    if (_enemy.Nav != null && !_enemy.Nav.IsMoving)
+                    // 仅首次或"已到达当前路点"时推进并寻路——不依赖 IsMoving
+                    // （PathBerserker2d 寻路跨帧异步，IsMoving 在寻路计算期间为 false，会误触发每帧推进）。
+                    if (_wpIndex < 0 ||
+                        Vector2.Distance(_enemy.transform.position, _waypoints[_wpIndex].position) <= _waypointArriveRadius)
                     {
                         AdvanceWaypoint();
                         _enemy.MoveTo(_waypoints[_wpIndex].position);