feat: 优化存档管理，增强链状态获取逻辑，添加 ISaveable 接口支持

Assets/_Game/Scripts/World/FalseWall.cs

@@ -1,6 +1,4 @@
 using BaseGames.Combat;
-using BaseGames.Core;
-using BaseGames.Core.Save;
 using BaseGames.Feedback;
 using UnityEngine;
 
@@ -8,10 +6,11 @@ namespace BaseGames.World
 {
     /// <summary>
     /// 假墙（秘密通道）。外观与普通墙相同，可通过攻击/接近揭示并穿越。
-    /// 揭示后禁用碰撞体（不销毁），状态持久化到 WorldSaveData。
+    /// 揭示后禁用碰撞体（不销毁），状态通过 WorldStateRegistry 持久化。
+    /// WorldStateRegistrySaver（ISaveable）统一负责将 Door 分类写入存档。
     /// </summary>
     [RequireComponent(typeof(Collider2D))]
-    public class FalseWall : MonoBehaviour, IDamageable, ISaveable
+    public class FalseWall : MonoBehaviour, IDamageable
     {
         public enum RevealCondition { Proximity, AttackOnce, AlwaysOpen }
 
@@ -27,6 +26,10 @@ namespace BaseGames.World
         [SerializeField] private SpriteRenderer  _renderer;
         [SerializeField] private SceneFeedback    _revealFeedback;
 
+        [Header("World State")]
+        [Tooltip("绑定场景唯一的 WorldStateRegistry ScriptableObject，用于持久化揭示状态。")]
+        [SerializeField] private WorldStateRegistry _registry;
+
         private bool _isRevealed;
 
         // ── IDamageable ───────────────────────────────────────────────────────
@@ -42,16 +45,6 @@ namespace BaseGames.World
 
         // ── Unity Lifecycle ───────────────────────────────────────────────────
 
-        private void Awake()
-        {
-            ServiceLocator.GetOrDefault<ISaveableRegistry>()?.Register(this);
-        }
-
-        private void OnDestroy()
-        {
-            ServiceLocator.GetOrDefault<ISaveableRegistry>()?.Unregister(this);
-        }
-
         private void Start()
         {
             if (_revealCondition == RevealCondition.AlwaysOpen)
@@ -60,21 +53,13 @@ namespace BaseGames.World
                 _isRevealed = true;
                 return;
             }
-        }
 
-        // ── ISaveable ─────────────────────────────────────────────────────────
-        public void OnSave(SaveData data)
-        {
-            if (_isRevealed && !string.IsNullOrEmpty(_wallId)
-                && !data.World.OpenedDoors.Contains(_wallId))
-                data.World.OpenedDoors.Add(_wallId);
-        }
-
-        public void OnLoad(SaveData data)
-        {
-            if (string.IsNullOrEmpty(_wallId)) return;
-            _isRevealed = data.World.OpenedDoors.Contains(_wallId);
-            if (_isRevealed) SetPassThroughImmediate();
+            // 从 WorldStateRegistry 恢复揭示状态（注册表由 WorldStateRegistrySaver.OnLoad 填充）
+            if (!string.IsNullOrEmpty(_wallId) && (_registry?.IsDoorOpened(_wallId) ?? false))
+            {
+                _isRevealed = true;
+                SetPassThroughImmediate();
+            }
         }
 
         private void OnTriggerEnter2D(Collider2D other)
@@ -90,6 +75,7 @@ namespace BaseGames.World
         private void Reveal()
         {
             _isRevealed = true;
+            _registry?.MarkDoorOpened(_wallId);
             _revealFeedback?.Play();
             SetPassThroughImmediate();
         }
@@ -118,3 +104,4 @@ namespace BaseGames.World
 #endif
     }
 }
+