zeling_v2/Assets/Scripts/UI/Menus/DeathScreenController.cs

using System.Collections;
using UnityEngine;
using UnityEngine.UI;
using TMPro;
using BaseGames.Core.Events;

namespace BaseGames.UI.Menus
{
    public class DeathScreenController : MonoBehaviour
    {
        [SerializeField] private TMP_Text _deathMessage;
        [SerializeField] private Button   _btnRespawn;

        [Header("Event Channels")]
        [SerializeField] private VoidEventChannelSO _onDeathScreenConfirmed;

        private void OnEnable()
        {
            // 死亡界面由 UIManager 在游戏状态变为 Dead 时通过 SetActive(true) 激活。
            // _onPlayerDied 事件此时已经触发完毕，订阅它不会收到回调。
            // 直接在 OnEnable 启动延迟显示协程即可保证 1.5s 缓冲。
            StartCoroutine(ShowAfterDelay(1.5f));
        }

        private void OnDisable()
        {
            StopAllCoroutines();
        }

        private IEnumerator ShowAfterDelay(float delay)
        {
            yield return new WaitForSeconds(delay);
            Show();
        }

        private void Show()
        {
            if (_btnRespawn != null)
            {
                _btnRespawn.onClick.RemoveAllListeners();
                _btnRespawn.onClick.AddListener(Confirm);
            }
        }

        private void Confirm()
        {
            gameObject.SetActive(false);
            _onDeathScreenConfirmed?.Raise();
        }
    }
}