Add enemy respawner and related components for room lifecycle management
- Implemented EnemyRespawner to manage enemy spawning and respawning within rooms. - Added IRoomLifecycle interface for room activation and dormancy handling. - Created supporting classes and metadata for enemy perception and threat assessment. - Established streaming system components for room state management and transitions. - Added necessary metadata files for new scripts to ensure proper integration with Unity.
This commit is contained in:
246
Assets/_Game/Scripts/Enemies/EnemyRespawner.cs
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246
Assets/_Game/Scripts/Enemies/EnemyRespawner.cs
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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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using BaseGames.World;
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namespace BaseGames.Enemies
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{
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/// <summary>
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/// 场景内的敌人刷新点。实现 <see cref="IRoomLifecycle"/>，与房间流式系统联动：
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/// <list type="bullet">
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/// <item>房间激活（<see cref="OnRoomActivate"/>）时生成敌人实例。</item>
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/// <item>房间休眠（<see cref="OnRoomDormant"/>）时清理仍存活的实例，确保下次进入时刷出新实例。</item>
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/// <item>可选 <see cref="_respawnDelay"/>：敌人在房间内死亡后等待若干秒自动复活。</item>
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/// <item>可选的 <see cref="_persistentKillId"/>：击杀后写入 <see cref="WorldStateRegistry"/>，
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/// 使敌人在存档重载后不再复活（适用于 Boss 或仅出现一次的守卫）。</item>
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/// </list>
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/// <para>
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/// 挂载方式：在房间场景中放置空 GameObject 作为刷新点，挂上本组件，
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/// 并通过 <see cref="_enemyPrefab"/> 或 <see cref="_poolKey"/> 指定要生成的敌人。
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/// </para>
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/// </summary>
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public class EnemyRespawner : MonoBehaviour, IRoomLifecycle
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{
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[Header("生成配置")]
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[Tooltip("要生成的敌人预制体（直接引用）。当 _poolKey 非空时，预制体作为兜底备选。")]
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[SerializeField] private GameObject _enemyPrefab;
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[Tooltip("对象池键（对应 GlobalObjectPool 中已预热的 AddressKey 常量）。\n" +
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"非空时优先通过 IObjectPoolService 取用对象；池服务不可用时回退至 _enemyPrefab。")]
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[SerializeField] private string _poolKey;
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[Header("房间内复活")]
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[Tooltip("0（默认）= 敌人死亡后不在房间内复活，仅下次进入房间时重新生成。\n" +
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"大于 0 = 死亡后等待 N 秒在原位复活，适用于需要持续巡逻的普通敌人。")]
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[Min(0f)]
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[SerializeField] private float _respawnDelay = 0f;
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[Tooltip("每次进入房间时，敌人最多在房间内复活的次数。\n" +
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"0 = 不限次数（仅在 _respawnDelay > 0 时有意义）。\n" +
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"示例：设为 2 表示同一次房间访问中敌人最多死而复生 2 次，第 3 次死后不再刷新。")]
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[Min(0)]
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[SerializeField] private int _maxRespawnCount = 0;
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[Header("永久击杀")]
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[Tooltip("空 = 每次进入房间均复活。\n" +
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"非空 = 击杀后将此 ID 写入 WorldStateRegistry.DestroyedObjectIds；存档后不再复活。\n" +
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"适用于 Boss 或仅出现一次的关键敌人。建议格式：ENM_{EnemyId}_{RoomId}")]
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[SerializeField] private string _persistentKillId;
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[Tooltip("永久击杀时写入的世界状态注册表。仅在 _persistentKillId 非空时使用。")]
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[SerializeField] private WorldStateRegistry _worldState;
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// ── 运行时 ────────────────────────────────────────────────────────────────
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private EnemyBase _activeEnemy;
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/// <summary>本次房间访问中敌人已在房间内复活的次数（不含初始生成）。</summary>
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private int _respawnCountThisVisit;
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private Coroutine _respawnCoroutine;
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// ── IRoomLifecycle ────────────────────────────────────────────────────────
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/// <summary>
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/// 房间休眠时清理当前存活的敌人实例，并取消待执行的复活协程。
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/// 已进入死亡流程（<see cref="EnemyBase.IsAlive"/> = false）的实例由
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/// <see cref="EnemyBase.Die"/> 自行处理，此处不干预。
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/// </summary>
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public void OnRoomDormant()
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{
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// 取消待执行的复活计时
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if (_respawnCoroutine != null)
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{
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StopCoroutine(_respawnCoroutine);
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_respawnCoroutine = null;
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}
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if (_activeEnemy != null)
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{
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_activeEnemy.OnDied -= OnEnemyDied;
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if (_activeEnemy.IsAlive)
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{
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// 优先归还对象池；池服务不可用或无 PooledObject 时直接销毁
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var po = _activeEnemy.GetComponent<PooledObject>();
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var pool = !string.IsNullOrEmpty(_poolKey)
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? ServiceLocator.GetOrDefault<IObjectPoolService>()
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: null;
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if (pool != null && po != null)
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pool.Despawn(_poolKey, po);
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else
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Destroy(_activeEnemy.gameObject);
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}
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// IsAlive=false：EnemyBase.Die() 已通过动画回调调度销毁，自然完成即可
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_activeEnemy = null;
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}
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_respawnCountThisVisit = 0;
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}
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/// <summary>
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/// 房间激活时生成敌人。永久死亡的敌人不会再次生成。
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/// </summary>
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/// <param name="context">出生上下文（含是否为复活流程等信息）。</param>
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public void OnRoomActivate(SpawnContext context)
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{
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// 永久击杀检查：存档中已标记为 Destroyed，不再生成
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if (!string.IsNullOrEmpty(_persistentKillId)
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&& _worldState != null
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&& _worldState.IsDestroyed(_persistentKillId))
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return;
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// 重置本轮复活计数
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_respawnCountThisVisit = 0;
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// 快速折返时防止重复生成（上一轮实例尚存活）
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if (_activeEnemy != null && _activeEnemy.IsAlive) return;
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_activeEnemy = null;
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SpawnEnemy();
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}
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// ── 内部 ──────────────────────────────────────────────────────────────────
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private void SpawnEnemy()
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{
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GameObject go = null;
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// 优先：对象池
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if (!string.IsNullOrEmpty(_poolKey))
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{
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var pool = ServiceLocator.GetOrDefault<IObjectPoolService>();
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go = pool?.Spawn(_poolKey, transform.position, transform.rotation);
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}
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// 兜底：直接实例化
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if (go == null && _enemyPrefab != null)
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go = Instantiate(_enemyPrefab, transform.position, transform.rotation);
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if (go == null)
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{
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Debug.LogError($"[EnemyRespawner] {name}：无法生成敌人，请检查 _enemyPrefab 或 _poolKey 配置。", this);
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return;
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}
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if (!go.TryGetComponent<EnemyBase>(out var enemy))
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{
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Debug.LogWarning($"[EnemyRespawner] {name}：生成的 GameObject 上未找到 EnemyBase 组件。", this);
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return;
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}
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_activeEnemy = enemy;
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// 确保对象池复用路径也能正确重置运行时状态
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_activeEnemy.OnSpawn();
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_activeEnemy.OnDied += OnEnemyDied;
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}
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private void OnEnemyDied()
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{
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// 永久击杀：写入 WorldStateRegistry（存档管道持久化至 SaveData.World.DestroyedObjectIds）
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if (!string.IsNullOrEmpty(_persistentKillId) && _worldState != null)
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_worldState.MarkDestroyed(_persistentKillId);
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if (_activeEnemy != null)
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{
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_activeEnemy.OnDied -= OnEnemyDied;
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_activeEnemy = null;
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}
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// 房间内延迟复活：_respawnDelay > 0 且未超过复活上限
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bool canRespawn = _respawnDelay > 0f
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&& (_maxRespawnCount == 0 || _respawnCountThisVisit < _maxRespawnCount);
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if (canRespawn)
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_respawnCoroutine = StartCoroutine(RespawnAfterDelay());
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}
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private IEnumerator RespawnAfterDelay()
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{
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yield return new WaitForSeconds(_respawnDelay);
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// 房间可能在等待期间进入休眠（OnRoomDormant 会 StopCoroutine，此处为双重保险）
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if (!gameObject.activeInHierarchy) yield break;
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// 再次检查永久击杀（等待期间存档状态可能已变化）
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if (!string.IsNullOrEmpty(_persistentKillId)
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&& _worldState != null
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&& _worldState.IsDestroyed(_persistentKillId))
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yield break;
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_respawnCountThisVisit++;
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_respawnCoroutine = null;
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SpawnEnemy();
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}
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private void OnDestroy()
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{
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// 场景卸载时确保取消订阅，防止野指针回调
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if (_activeEnemy != null)
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_activeEnemy.OnDied -= OnEnemyDied;
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}
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// ── OnValidate ────────────────────────────────────────────────────────────
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#if UNITY_EDITOR
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private void OnValidate()
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{
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// _persistentKillId 非空但 _worldState 未关联时，尝试自动查找场景内唯一实例
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if (!string.IsNullOrEmpty(_persistentKillId) && _worldState == null)
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_worldState = FindFirstObjectByType<WorldStateRegistry>();
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}
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#endif
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// ── Editor Gizmos ─────────────────────────────────────────────────────────
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#if UNITY_EDITOR
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private static readonly Color s_GizmoColorNormal = new(1f, 0.35f, 0.2f, 0.85f);
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private static readonly Color s_GizmoColorPersistent = new(1f, 0.85f, 0.1f, 0.85f);
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private void OnDrawGizmos()
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{
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// 未选中时：小球 + 低透明度，便于关卡编辑时总览所有刷新点
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Color c = !string.IsNullOrEmpty(_persistentKillId)
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? s_GizmoColorPersistent
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: s_GizmoColorNormal;
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c.a = 0.3f;
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Gizmos.color = c;
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Gizmos.DrawWireSphere(transform.position, 0.25f);
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}
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private void OnDrawGizmosSelected()
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{
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bool isPersistent = !string.IsNullOrEmpty(_persistentKillId);
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Gizmos.color = isPersistent ? s_GizmoColorPersistent : s_GizmoColorNormal;
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Gizmos.DrawWireSphere(transform.position, 0.4f);
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var labelStyle = new GUIStyle(UnityEditor.EditorStyles.miniLabel)
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{
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normal = { textColor = Gizmos.color }
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};
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string label = isPersistent ? $"{name} [永久]" : name;
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UnityEditor.Handles.Label(transform.position + Vector3.up * 0.65f, label, labelStyle);
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}
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#endif
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}
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}
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