feat(ai): EnemyBrainContext——EnemyBase子系统适配为BrainGraph能力接口

2026-07-03 14:58:52 +08:00
parent 683a2d9ffb
commit 20c2568222
4 changed files with 125 additions and 0 deletions
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+using UnityEngine;
+using BaseGames.AI;
+
+namespace BaseGames.Enemies
+{
+    /// <summary>
+    /// 把 EnemyBase 的子系统包装成 BrainGraph 的能力接口（每敌人一实例）。
+    /// 状态逻辑只依赖这些接口，不直接引用具体子系统。
+    /// </summary>
+    public sealed class EnemyBrainContext : IAiContext, ISensor, IMover, ICombatant, IActorVitals
+    {
+        readonly EnemyBase _enemy;
+        readonly Blackboard _blackboard = new Blackboard();
+        Vector2 _lastKnown;
+        float _lostTimer;
+
+        public EnemyBrainContext(EnemyBase enemy) { _enemy = enemy; }
+
+        // ---- IAiContext ----
+        public ISensor Sensor => this;
+        public IMover Mover => this;
+        public ICombatant Combat => this;
+        public IActorVitals Vitals => this;
+        public Blackboard Blackboard => _blackboard;
+
+        /// <summary>每帧由 EnemyAiBrain 在 Tick 之前调用，维护最后已知位置与丢失计时。</summary>
+        public void Refresh(float dt)
+        {
+            if (_enemy.IsPlayerVisible() && _enemy.PlayerTransform != null)
+            {
+                _lastKnown = _enemy.PlayerTransform.position;
+                _lostTimer = 0f;
+            }
+            else
+            {
+                _lostTimer += dt;
+            }
+        }
+
+        /// <summary>对象池复用时清空临时态。</summary>
+        public void ResetScratch()
+        {
+            _blackboard.Clear();
+            _lastKnown = _enemy.transform.position;
+            _lostTimer = 0f;
+        }
+
+        // ---- ISensor ----
+        public bool SeesPlayer() => _enemy.IsPlayerVisible();
+        public bool InRange(float range) => _enemy.IsPlayerInRange(range);
+        public bool LostFor(float seconds) => !_enemy.IsPlayerVisible() && _lostTimer >= seconds;
+        public Vector2 LastKnown => _lastKnown;
+
+        // ---- IMover ----
+        public void MoveTo(Vector2 target) => _enemy.MoveTo(target);
+        public void FacePlayer() => _enemy.FacePlayer();
+        public void Stop() => _enemy.StopMovement();
+        public void WalkRandom()
+        {
+            var nav = _enemy.Nav;
+            if (nav != null && !nav.IsMoving) nav.WalkToRandom();
+        }
+        public void LookAround() => _enemy.BeginLookAround();
+
+        // ---- ICombatant ----
+        public bool UseAbility(string abilityId)
+        {
+            var a = _enemy.Abilities?.Get(abilityId);
+            return a != null && a.Execute();
+        }
+        public bool IsAbilityRunning(string abilityId = null)
+        {
+            var reg = _enemy.Abilities;
+            if (reg == null) return false;
+            if (abilityId != null)
+            {
+                var a = reg.Get(abilityId);
+                return a != null && a.IsRunning;
+            }
+            var all = reg.All;
+            for (int i = 0; i < all.Count; i++)
+                if (all[i].IsRunning) return true;
+            return false;
+        }
+        public bool NoAbilityRunning => !IsAbilityRunning();
+        public bool CanUseAbility(string abilityId)
+        {
+            var a = _enemy.Abilities?.Get(abilityId);
+            return a != null && a.CanUse;
+        }
+
+        // ---- IActorVitals ----
+        public bool IsAlive => _enemy.IsAlive;
+        public bool IsControllable => _enemy.CurrentState == EnemyStateType.Controlled;
+        public float HpPercent
+        {
+            get
+            {
+                var stats = _enemy.Stats;
+                return stats != null && stats.MaxHP > 0 ? (float)stats.CurrentHP / stats.MaxHP : 0f;
+            }
+        }
+        public bool HpBelow(float ratio) => HpPercent < ratio;
+    }
+}
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@@ -3,6 +3,7 @@
    "rootNamespace": "BaseGames.Enemies",
    "references": [
        "BaseGames.Core",
+        "BaseGames.AI",
        "BaseGames.Core.Events",
        "BaseGames.Combat",
        "BaseGames.Feedback",