摄像机区域的架构改动

Assets/_Game/Scripts/Combat/SkillHitBoxInstance.cs

@@ -0,0 +1,48 @@
+using UnityEngine;
+using BaseGames.Combat;
+
+namespace BaseGames.Combat
+{
+    /// <summary>
+    /// 技能 HitBox 实例（架构 09_ProgressionModule §9 SkillHitBoxInstance）。
+    /// 挂载于技能 HitBox Prefab 根节点。
+    /// 命名规范: Assets/Prefabs/Skills/SKL_{skillId}_HitBox.prefab
+    ///
+    /// Prefab 内部层级示例（近战 AoE 技能）：
+    ///   [SKL_SkySlash_HitBox]
+    ///   └── [HitBox]    ← 扇形/圆形 PolygonCollider2D
+    ///       └── HitBox.cs
+    /// </summary>
+    public class SkillHitBoxInstance : MonoBehaviour
+    {
+        [SerializeField] private HitBox[] _hitBoxes;  // 技能可有多个 HitBox（多段伤害）
+
+        public event System.Action<DamageInfo> OnHitConfirmed;
+
+        private void Awake()
+        {
+            foreach (var hb in _hitBoxes)
+            {
+                if (hb == null) continue;
+                hb.OnHitConfirmed += info => OnHitConfirmed?.Invoke(info);
+            }
+        }
+
+        /// <summary>激活所有 HitBox，传入伤害数据源和攻击者 Transform。</summary>
+        public void Activate(DamageSourceSO source, Transform attacker)
+        {
+            foreach (var hb in _hitBoxes)
+                hb?.Activate(source, attacker);
+        }
+
+        /// <summary>duration 秒后自动销毁此 GameObject。</summary>
+        public void AutoDestroyAfter(float duration)
+            => Destroy(gameObject, Mathf.Max(0f, duration));
+
+        private void OnDestroy()
+        {
+            foreach (var hb in _hitBoxes)
+                hb?.Deactivate();
+        }
+    }
+}