完整启动流程

Assets/_Game/Scripts/Combat/DamageInfo.cs

@@ -27,6 +27,12 @@ namespace BaseGames.Combat
         public BreakLevel    Break;
         public string        SourceId;
         public string        SkillId;
+        /// <summary>
+        /// 攻击来源投射物（仅当攻击方是 Projectile 时非 null）。
+        /// 用于弹反成功时调用 ReflectAsPlayerProjectile() 翻转阵营。
+        /// [NonSerialized]：MonoBehaviour 引用不参与 Unity 资产序列化。
+        /// </summary>
+        [System.NonSerialized] public Projectile SourceProjectile;
 
         // ── Builder ──────────────────────────────────────────────────────────
         /// <summary>
@@ -48,6 +54,7 @@ namespace BaseGames.Combat
             private BreakLevel      _break;
             private Vector2         _sourcePosition;
             private int             _sourceLayer;
+            private Projectile      _sourceProjectile;
 
             public Builder() { }
 
@@ -65,6 +72,7 @@ namespace BaseGames.Combat
             public Builder SetBreak(BreakLevel v)                 { _break = v;                                        return this; }
             public Builder SetSourcePos(Vector2 v)                { _sourcePosition = v;                               return this; }
             public Builder SetLayer(int v)                        { _sourceLayer = v;                                  return this; }
+            public Builder SetProjectile(Projectile v)            { _sourceProjectile = v;                             return this; }
 
             public DamageInfo Build() => new DamageInfo
             {
@@ -83,6 +91,7 @@ namespace BaseGames.Combat
                 Break              = _break,
                 SourcePosition     = _sourcePosition,
                 SourceLayer        = _sourceLayer,
+                SourceProjectile   = _sourceProjectile,
             };
         }
 
@@ -95,7 +104,8 @@ namespace BaseGames.Combat
             DamageSourceSO so,
             Vector2        knockbackDir = default,
             Vector2        sourcePos    = default,
-            int            sourceLayer  = 0)
+            int            sourceLayer  = 0,
+            Projectile     sourceProjectile = null)
         {
             int baseAmt = Mathf.RoundToInt(so.BaseDamage * so.DamageMultiplier);
             return new DamageInfo
@@ -115,6 +125,7 @@ namespace BaseGames.Combat
                 KnockbackForce     = so.KnockbackForce,
                 SourcePosition     = sourcePos,
                 SourceLayer        = sourceLayer,
+                SourceProjectile   = sourceProjectile,
             };
         }
     }