多轮审查和修复

Assets/Scripts/Combat/ProjectileManager.cs

@@ -0,0 +1,55 @@
+using UnityEngine;
+using BaseGames.Core;
+using BaseGames.Core.Events;
+
+namespace BaseGames.Combat
+{
+    /// <summary>
+    /// 抛射物管理器（单例 MonoBehaviour）。
+    /// 缓存玩家 Transform，供追踪类抛射物注入目标引用。
+    /// </summary>
+    public class ProjectileManager : MonoBehaviour, IProjectileService
+    {
+        [SerializeField] private TransformEventChannelSO _onPlayerSpawned;
+
+        private Transform _playerTransform;
+        private readonly CompositeDisposable _subs = new();
+
+        /// <summary>当前缓存的玩家 Transform，生成追踪弹时使用。</summary>
+        public Transform PlayerTransform => _playerTransform;
+
+        private void Awake()
+        {
+            if (ServiceLocator.GetOrDefault<IProjectileService>() != null) { Destroy(gameObject); return; }
+            ServiceLocator.Register<IProjectileService>(this);
+        }
+
+        private void OnDestroy()
+        {
+            ServiceLocator.Unregister<IProjectileService>(this);
+        }
+
+        private void OnEnable()
+        {
+            _onPlayerSpawned?.Subscribe(OnPlayerSpawned).AddTo(_subs);
+        }
+
+        private void OnDisable()
+        {
+            _subs.Clear();
+        }
+
+        private void OnPlayerSpawned(Transform player) => _playerTransform = player;
+
+        /// <summary>
+        /// 完整初始化一枚 <see cref="HomingProjectile"/> 并注入追踪目标。
+        /// </summary>
+        public void LaunchHoming(HomingProjectile proj, Vector2 direction,
+                                 ProjectileConfigSO config, DamageInfo damageInfo)
+        {
+            if (proj == null || config == null) return;
+            proj.Initialize(config, damageInfo, direction);
+            proj.SetTarget(_playerTransform);
+        }
+    }
+}