51 lines
1.8 KiB
C#
51 lines
1.8 KiB
C#
using System.Collections;
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using UnityEngine;
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using BaseGames.Core;
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using BaseGames.Core.Pool;
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namespace BaseGames.Enemies.Boss.Patterns
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{
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/// <summary>
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/// 攻击预警系统（架构 07_EnemyModule §11）。
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/// 在攻击前若干帧显示视觉提示（VFX 从对象池取出，到期归还）。
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/// 由 BD_TelegraphAttack 通过协程调用 ShowTelegraph。
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/// </summary>
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public class TelegraphSystem : MonoBehaviour
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{
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/// <summary>
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/// 开始预警：从对象池取出 vfxKey 对应预警 VFX，等待 duration 秒后归还。
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/// 由 BD_TelegraphAttack.OnStart 通过 StartCoroutine 调用。
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/// </summary>
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public IEnumerator ShowTelegraph(string vfxKey, float duration, Vector2 position)
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{
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if (string.IsNullOrEmpty(vfxKey) || duration <= 0f)
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{
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yield return null;
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yield break;
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}
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GameObject vfx = null;
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var pool = ServiceLocator.GetOrDefault<IObjectPoolService>();
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if (pool != null)
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vfx = pool.Spawn(vfxKey, new Vector3(position.x, position.y, 0f), Quaternion.identity);
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else
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Debug.LogWarning($"[TelegraphSystem] IObjectPoolService 未就绪，预警 VFX '{vfxKey}' 无法显示。");
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yield return new WaitForSeconds(duration);
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if (vfx != null && pool != null)
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{
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var po = vfx.GetComponent<PooledObject>();
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if (po != null) po.ReturnToPool();
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else vfx.SetActive(false);
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}
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}
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/// <summary>立即隐藏所有活跃预警 VFX（技能被打断时调用）。</summary>
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public void CancelTelegraph()
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{
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StopAllCoroutines();
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}
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}
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}
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