47 lines
2.0 KiB
C#
47 lines
2.0 KiB
C#
using BaseGames.Core;
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using BaseGames.Core.Pool;
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using UnityEngine;
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namespace BaseGames.Enemies.Behaviors
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{
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/// <summary>
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/// 动画事件触发的对象池生成（零代码替代每敌人专属的 <c>SpawnProjectile()</c> 重写）。
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/// <para>
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/// <see cref="EnemyBase.SpawnProjectile"/> 会把 payload 路由到本组件；当 payload 与
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/// <c>payloadKey</c> 匹配时，在自身周围随机位置从对象池生成 <c>count</c> 个指定 key 的对象
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/// （例如精英怪死亡前摇中生成 N 个小怪）。
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/// </para>
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/// 使用方式：在动画（如死亡前摇）相应帧放置 SpawnProjectile 动画事件，payload 填 <c>payloadKey</c>。
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/// 同一敌人可挂多个本组件（不同 payloadKey）以生成不同对象。
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/// </summary>
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public class EnemySpawnerOnEvent : MonoBehaviour, IEnemySpawnEventHandler
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{
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[Header("触发匹配")]
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[Tooltip("匹配的动画事件 payload（如 \"spawn_e003\"）；留空则匹配任意 payload")]
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[SerializeField] private string _payloadKey = "";
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[Header("生成")]
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[Tooltip("对象池 key（IObjectPoolService.Spawn 的 key，须经 AddressKeys 常量约定，如 \"ENM_YouZhi\"）")]
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[SerializeField] private string _poolKey = "";
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[Tooltip("生成数量")]
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[Min(1)][SerializeField] private int _count = 3;
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[Tooltip("生成点相对自身的随机半径")]
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[Min(0f)][SerializeField] private float _radius = 1.5f;
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public void HandleSpawn(string payload)
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{
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if (!string.IsNullOrEmpty(_payloadKey) && payload != _payloadKey) return;
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if (string.IsNullOrEmpty(_poolKey)) return;
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var pool = ServiceLocator.GetOrDefault<IObjectPoolService>();
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if (pool == null) return;
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for (int i = 0; i < _count; i++)
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{
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Vector2 offset = Random.insideUnitCircle * _radius;
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pool.Spawn(_poolKey, (Vector2)transform.position + offset, Quaternion.identity);
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}
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}
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}
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}
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