63 lines
2.3 KiB
C#
63 lines
2.3 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.Events;
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namespace BaseGames.Player
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{
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/// <summary>
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/// 监听 EVT_CheckpointRespawn，将玩家瞬移至最近检查点坐标。
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/// 通过淡出 → 移位 → 淡入实现无视觉跳变的传送。
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///
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/// 挂载在玩家根节点（与 Rigidbody2D 同一 GameObject）。
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/// </summary>
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public class CheckpointRespawnHandler : MonoBehaviour
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{
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[Header("事件 - 监听")]
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[Tooltip("EVT_CheckpointRespawn — 由 LethalTrap 在玩家存活且场景有检查点时触发")]
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[SerializeField] private VoidEventChannelSO _onCheckpointRespawn;
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[Header("事件 - 触发")]
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[Tooltip("EVT_FadeOutRequest — 传送前淡出屏幕")]
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[SerializeField] private VoidEventChannelSO _onFadeOutRequest;
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[Tooltip("EVT_FadeInRequest — 传送后淡入屏幕")]
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[SerializeField] private VoidEventChannelSO _onFadeInRequest;
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[Header("配置")]
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[Tooltip("淡出结束到执行位移之间的等待时长（秒，不受 TimeScale 影响）")]
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[SerializeField] private float _fadeHalfDuration = 0.2f;
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private readonly CompositeDisposable _subs = new();
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private void OnEnable() => _onCheckpointRespawn?.Subscribe(OnCheckpointRespawn).AddTo(_subs);
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private void OnDisable() => _subs.Clear();
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private void OnCheckpointRespawn() => StartCoroutine(RespawnCoroutine());
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private IEnumerator RespawnCoroutine()
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{
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_onFadeOutRequest?.Raise();
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yield return new WaitForSecondsRealtime(_fadeHalfDuration);
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var svc = ServiceLocator.GetOrDefault<ICheckpointService>();
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if (svc != null && svc.HasCheckpoint)
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{
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// 清零速度后移位，防止物理残留动量导致滑步
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var rb = GetComponent<Rigidbody2D>();
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if (rb != null)
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{
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rb.velocity = Vector2.zero;
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rb.position = svc.CheckpointPosition;
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}
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else
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{
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transform.position = svc.CheckpointPosition;
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}
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}
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_onFadeInRequest?.Raise();
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}
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}
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}
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