refactor(ai): EnemyBase/QuotaManager 移除 Opsive BT，改接 EnemyAiBrain(Brain访问器/Died信号/OnSpawn重置/LOD裁剪)

Assets/_Game/Scripts/Enemies/EnemyBase.cs

@@ -5,9 +5,6 @@ using BaseGames.Core.Events;
 using BaseGames.Core.Pool;
 using BaseGames.Enemies.States;
 using BaseGames.Enemies.Abilities;
-#if GRAPH_DESIGNER
-using Opsive.BehaviorDesigner.Runtime;
-#endif
 
 namespace BaseGames.Enemies
 {
@@ -57,20 +54,6 @@ namespace BaseGames.Enemies
         /// </summary>
         [SerializeField] private BaseGames.Core.Events.TransformEventChannelSO _onPlayerSpawned;
 
-#if GRAPH_DESIGNER
-        [Header("BT Tick 分级（LOD）")]
-        [Tooltip("Idle 阶段 BT Tick 最小间隔（s）；0 = 每帧全速。")]
-        [SerializeField] private float _btIdleTickInterval    = 0.30f;
-        [Tooltip("Patrol/ReturnHome 阶段 BT Tick 间隔（s）")]
-        [SerializeField] private float _btPatrolTickInterval  = 0.15f;
-        [Tooltip("Alert/Investigate 阶段 BT Tick 间隔（s）")]
-        [SerializeField] private float _btAlertTickInterval   = 0.08f;
-        [Tooltip("Chase 阶段 BT Tick 间隔（s）")]
-        [SerializeField] private float _btChaseTickInterval   = 0.05f;
-        [Tooltip("Combat 阶段 BT Tick 间隔（s）；0 = 每帧全速")]
-        [SerializeField] private float _btCombatTickInterval  = 0f;
-#endif
-
         // ── 导航代理（IPathAgent；由 EnemyNavAgent 实现）───────────────────
         // 通过接口引用，避免对 Navigation 程序集的直接依赖。
         // 由子类 / Inspector 注入，或者运行时 GetComponent<IPathAgent>() 获取。
@@ -132,9 +115,6 @@ namespace BaseGames.Enemies
         [SerializeField] private AiPhase        _dbg_AiPhase;
         [SerializeField] private bool           _dbg_HasPlayer;
         [SerializeField] private Vector2        _dbg_LastKnownPos;
-#if GRAPH_DESIGNER
-        [SerializeField] private float          _dbg_BtTickInterval;
-#endif
 #endif
 
         // POCO 状态对象字典：枚举保持对外 API 不变。
@@ -254,9 +234,9 @@ namespace BaseGames.Enemies
         /// <summary>状态效果管理器（冻结、灼烧、睡眠等）。</summary>
         public StatusEffects.EnemyStatusEffectManager StatusEffects => _statusEffects;
         private StatusEffects.EnemyStatusEffectManager _statusEffects;
-#if GRAPH_DESIGNER
+        /// <summary>决策层组件（BrainGraph）。供 EnemyQuotaManager 做活跃数量 LOD 裁剪等使用。</summary>
-    public BehaviorTree BehaviorTree => _behaviorTree;
+        public EnemyAiBrain Brain => _brain;
-#endif
+        private EnemyAiBrain _brain;
 
         // ── BD 行为树接口（虚方法）────────────────────────────────────────
 
@@ -369,14 +349,12 @@ namespace BaseGames.Enemies
             => _movement?.JumpToTarget(target);
 
         /// <summary>
-        /// 调整 BehaviorTree Tick 频率（非警觉=降频，警觉=高频）。
+        /// 调整决策 Tick 频率（非警觉=降频，警觉=高频）。
-        /// 由 BD_SetAlert 调用（架构 07_EnemyModule §13.5）。
+        /// 由外部（警戒/状态效果）调用（架构 07_EnemyModule §13.5）。
         /// </summary>
         public virtual void SetAggroTickRate(bool isAggro)
         {
-#if GRAPH_DESIGNER
+            // LOD tick 速率控制迁移到后续 AiScheduler 阶段
-            _btCurrentInterval = isAggro ? _btAlertTickInterval : _btIdleTickInterval;
-#endif
         }
 
         // ── 警戒传播（Group Alert）────────────────────────────────────────
@@ -468,20 +446,6 @@ namespace BaseGames.Enemies
             _currentAiPhase = phase;
             OnAiPhaseChanged?.Invoke(phase);
 
-#if GRAPH_DESIGNER
-            // 按行为阶段动态调整 BT Tick 频率（5 档 LOD）
-            _btCurrentInterval = phase switch
-            {
-                AiPhase.Patrol      => _btPatrolTickInterval,
-                AiPhase.Alert       => _btAlertTickInterval,
-                AiPhase.Investigate => _btAlertTickInterval,
-                AiPhase.Chase       => _btChaseTickInterval,
-                AiPhase.Combat      => _btCombatTickInterval,
-                AiPhase.ReturnHome  => _btPatrolTickInterval,
-                _                   => _btIdleTickInterval,  // Idle + 未来新阶段兜底
-            };
-#endif
-
             if (_autoPlayPhaseAnimation && _animancer != null && _animConfig != null)
             {
                 var clip = phase switch
@@ -588,6 +552,7 @@ namespace BaseGames.Enemies
             _statusEffects = GetComponent<StatusEffects.EnemyStatusEffectManager>();
             _threatAssessor = GetComponent<Perception.EnemyThreatAssessor>();
             _pooledObject  = GetComponent<PooledObject>();
+            _brain         = GetComponent<EnemyAiBrain>();
             _abilities.CollectFrom(gameObject);
             _colliders     = GetComponentsInChildren<Collider2D>(true);
 
@@ -602,20 +567,6 @@ namespace BaseGames.Enemies
 
             // 订阅玩家生成事件（PlayerController.Start 广播），避免每个敌人独立 FindWithTag
             // 订阅在 OnEnable 中处理
-
-#if GRAPH_DESIGNER
-            _behaviorTree = GetComponent<BehaviorTree>();
-            if (_behaviorTree != null)
-            {
-                _behaviorTree.StartWhenEnabled  = false;
-                _behaviorTree.PauseWhenDisabled = true;
-                // Manual 模式：由 EnemyBase.Update 按 AiPhase 分级节流 Tick。
-                _behaviorTree.UpdateMode        = Opsive.BehaviorDesigner.Runtime.Components.UpdateMode.Manual;
-                _btManualMode                   = true;
-                _btCurrentInterval              = _btIdleTickInterval;
-                _behaviorTree.StartBehavior();
-            }
-#endif
         }
 
         protected virtual void Update()
@@ -626,34 +577,11 @@ namespace BaseGames.Enemies
             if (_playerTransform != null && _stats != null)
                 _stats.SqrDistanceToPlayer = ((Vector2)_playerTransform.position - (Vector2)transform.position).sqrMagnitude;
 
-#if GRAPH_DESIGNER
-            // BT Tick LOD：按当前 AiPhase 分级节流，降低空闲状态的 BT 开销。
-            if (_btManualMode && _behaviorTree != null)
-            {
-                float interval = _btCurrentInterval;
-                if (interval <= 0f)
-                {
-                    _behaviorTree.Tick();
-                }
-                else
-                {
-                    _btTickTimer += Time.deltaTime;
-                    if (_btTickTimer >= interval)
-                    {
-                        _btTickTimer -= interval;
-                        _behaviorTree.Tick();
-                    }
-                }
-            }
-#endif
 #if UNITY_EDITOR
             _dbg_CurrentState   = _currentState;
             _dbg_AiPhase        = _currentAiPhase;
             _dbg_HasPlayer      = _playerTransform != null;
             _dbg_LastKnownPos   = LastKnownPlayerPosition;
-#if GRAPH_DESIGNER
-            _dbg_BtTickInterval = _btCurrentInterval;
-#endif
 #endif
         }
 
@@ -691,26 +619,14 @@ namespace BaseGames.Enemies
 
         protected virtual void OnDestroy() { }
 
-
-
-        // BehaviorTree 引用（#if GRAPH_DESIGNER 保护，避免空引用）
-#if GRAPH_DESIGNER
-        private BehaviorTree _behaviorTree;
-        private bool  _btManualMode;
-        private float _btTickTimer;
-        private float _btCurrentInterval;
-#endif
-
         /// <summary>
-        /// 停止行为树（死亡演出 / 出场演出等期间调用，防止 BT 继续 Tick 覆盖演出逻辑）。
+        /// 通知决策层终止（死亡演出 / 出场演出等期间调用，防止决策继续覆盖演出逻辑）。
-        /// 内部使用 #if GRAPH_DESIGNER 保护，调用方无需处理条件编译。
+        /// 语义为"通知决策层终止"，与 PerformDeath 的 Died 信号幂等（重复 Died 无害）。
         /// 供配置型行为组件（如 EnemyDeathSequence）调用，故为 public。
         /// </summary>
         public void StopBehaviorTree()
         {
-#if GRAPH_DESIGNER
+            _brain?.Send(BaseGames.AI.AiSignal.Died);
-            _behaviorTree?.StopBehavior();
-#endif
         }
 
         /// <summary>
@@ -744,6 +660,9 @@ namespace BaseGames.Enemies
             _deathSequenceActive = false;
             ForceState(EnemyStateType.Dead);
 
+            // 通知决策层敌人已死亡
+            _brain?.Send(BaseGames.AI.AiSignal.Died);
+
             // 死亡时清除所有状态效果
             _statusEffects?.Clear();
 
@@ -804,25 +723,21 @@ namespace BaseGames.Enemies
             // 重置能力冷却
             _abilities.InterruptAll(InterruptReason.Dead);
 
-#if GRAPH_DESIGNER
+            // 重置决策层（回到 Entry、清临时态）
-            _behaviorTree?.StartBehavior();
+            _brain?.ResetBrain();
-#endif
 
             // 通知配置型出生行为组件（如 EnemyAbilityTrigger）执行出生触发逻辑
             Spawned?.Invoke();
         }
 
         /// <summary>
-        /// 对象归还到池时调用，清理临时状态，停止 BT。
+        /// 对象归还到池时调用，清理临时状态。
         /// </summary>
         public virtual void OnDespawn()
         {
             _abilities.InterruptAll(InterruptReason.Dead);
             _nav?.StopNavigation();
-
+            // GO 停用时 EnemyAiBrain.Update 自然停止，无需显式处理。
-#if GRAPH_DESIGNER
-            if (_behaviorTree != null) _behaviorTree.enabled = false;
-#endif
         }
 
 #if UNITY_EDITOR

Assets/_Game/Scripts/Enemies/EnemyQuotaManager.cs

@@ -101,23 +101,22 @@ namespace BaseGames.Enemies
                 if (e != null) _indexMap[e] = i;
             }
 
-#if GRAPH_DESIGNER
             for (int i = n - 1; i >= 0; i--)
             {
                 var enemy = _registered[i];
                 if (enemy == null) { _registered.RemoveAt(i); continue; }
 
-                var bt     = enemy.BehaviorTree;
+                var brain  = enemy.Brain;
                 bool active = i < _maxActiveBehaviorTrees;
 
-                if (bt != null && bt.enabled != active)
+                if (brain != null && brain.enabled != active)
                 {
-                    bt.enabled = active;
+                    // 禁用 brain 即停其 Update/Tick，等价于旧的禁用行为树。
+                    brain.enabled = active;
                     // 同步暂停/恢复感知系统，避免远处敌人无效 tick
                     enemy.SensorHub?.SetSuspended(!active);
                 }
             }
-#endif
         }
     }
 }