feat(combat): 投射物接入伤害目标层过滤,弹反阵营/目标同步翻转
HitBox 暴露 TargetLayers 运行时读写。Projectile 缓存预制体初始目标层并在 Initialize 还原(对象池复用不被上一发弹反污染);ReflectAsPlayerProjectile 时目标层随阵营翻转(PlayerHurtBox→EnemyHurtBox,保留可破坏物等其他位)。 ParryableProjectile 绕过 HitBox 自行判定,补上同样的目标层过滤;并修复其弹反分支不切 PlayerProjectile 层的问题——原先反射后仍留在 EnemyProjectile 层,碰撞矩阵 EnemyProjectile↔EnemyHurtBox 不碰撞,反射弹永远打不中敌人。 Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
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@@ -26,6 +26,8 @@ namespace BaseGames.Combat
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private int _hitsRemaining;
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// 弹反帧标记:弹反命中不计入命中预算(避免反射后立即被回收)
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private bool _justReflected;
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// 预制体上配置的初始伤害目标层:对象池复用时还原,避免上一发弹反翻转后的掩码污染下一发
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private LayerMask _initialTargetLayers;
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private PooledObject _pooledObject;
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@@ -34,6 +36,7 @@ namespace BaseGames.Combat
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_rb = GetComponent<Rigidbody2D>();
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_hitBox = GetComponent<HitBox>();
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_pooledObject = GetComponent<PooledObject>();
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_initialTargetLayers = _hitBox.TargetLayers;
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// 订阅命中确认:按命中预算决定何时回收(穿透 / 命中即消失)
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_hitBox.OnHitConfirmed += HandleHitConfirmed;
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}
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@@ -49,6 +52,8 @@ namespace BaseGames.Combat
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_maxHits = config.MaxHits;
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_hitsRemaining = config.MaxHits;
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_justReflected = false;
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// 还原预制体配置的伤害目标层(清除上一次弹反翻转的影响)
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_hitBox.TargetLayers = _initialTargetLayers;
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SetFactionLayer(ownerLayer);
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_hitBox.Activate(config.DamageSource);
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@@ -82,12 +87,29 @@ namespace BaseGames.Combat
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// 重置 HitBox 命中记录,确保反射后可命中新目标
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_hitBox.Deactivate();
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_hitBox.Activate(_config?.DamageSource);
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// 伤害目标随阵营翻转:玩家侧 → 敌人侧
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RetargetToEnemyFaction();
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// 反射后重置命中预算,并跳过本次(弹反)命中的扣减,避免反射后立即被回收
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_hitsRemaining = _maxHits;
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_justReflected = true;
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}
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/// <summary>
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/// 弹反换阵营后,把伤害目标从玩家侧切到敌人侧
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/// (仅交换 PlayerHurtBox→EnemyHurtBox 位,保留可破坏物等其他目标层)。
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/// </summary>
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protected void RetargetToEnemyFaction()
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{
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int playerHurt = LayerMask.NameToLayer("PlayerHurtBox");
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int enemyHurt = LayerMask.NameToLayer("EnemyHurtBox");
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if (playerHurt < 0 || enemyHurt < 0) return; // Layer 尚未创建,保留现有掩码
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int mask = _hitBox.TargetLayers.value;
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mask &= ~(1 << playerHurt);
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mask |= 1 << enemyHurt;
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_hitBox.TargetLayers = mask;
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}
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/// <summary>HitBox 命中确认回调:按命中预算决定是否回收(穿透 / 命中即消失)。</summary>
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private void HandleHitConfirmed(DamageInfo _)
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{
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