149 lines
4.7 KiB
C#
149 lines
4.7 KiB
C#
using System;
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using UnityEngine;
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using System.Collections;
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/// <summary>
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/// 北京时间管理器 - 获取一次后持续自增
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/// </summary>
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public class BeijingTimeManager : MonoSingleton<BeijingTimeManager>
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{
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[Header("时间状态")]
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[SerializeField] private bool _isTimeSynced = false; // 是否已同步
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[SerializeField] private DateTime _currentBeijingTime; // 当前北京时间
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[SerializeField] private float _timeSinceLastSync; // 距离上次同步的秒数
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// 公开属性供其他脚本访问
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public DateTime CurrentBeijingTime
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{
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get
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{
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if (_isTimeSynced)
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{
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// 基准时间 + 流逝的时间
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return _currentBeijingTime.AddSeconds(_timeSinceLastSync);
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}
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else
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{
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Debug.LogWarning("时间尚未同步，返回本地时间");
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return DateTime.Now.AddHours(8); // 降级为本地时间+8小时
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}
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}
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}
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public bool IsTimeSynced => _isTimeSynced;
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// 事件：当时间成功同步时触发
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public event Action<DateTime> OnTimeSynced;
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private void Start()
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{
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SyncBeijingTime();
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}
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private void Update()
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{
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if (_isTimeSynced)
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{
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// 持续累计时间
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_timeSinceLastSync += Time.deltaTime;
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// 可选：每隔一段时间（如5分钟）自动校准
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if (_timeSinceLastSync > 300f) // 5分钟
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{
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StartCoroutine(AutoCalibrateTime());
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}
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}
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}
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/// <summary>
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/// 手动触发时间同步
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/// </summary>
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public void SyncBeijingTime()
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{
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StartCoroutine(FetchBeijingTime());
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}
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/// <summary>
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/// 获取北京时间（协程）
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/// </summary>
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private IEnumerator FetchBeijingTime()
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{
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string[] timeServers = new string[]
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{
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"http://www.beijing-time.org/time.asp",
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"https://www.baidu.com",
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"https://www.taobao.com",
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};
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DateTime beijingTime = DateTime.MinValue;
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bool success = false;
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foreach (string url in timeServers)
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{
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using (UnityEngine.Networking.UnityWebRequest request =
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UnityEngine.Networking.UnityWebRequest.Get(url))
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{
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yield return request.SendWebRequest();
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if (request.result == UnityEngine.Networking.UnityWebRequest.Result.Success)
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{
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string dateHeader = request.GetResponseHeader("Date");
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if (!string.IsNullOrEmpty(dateHeader))
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{
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try
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{
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// 解析GMT时间
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DateTime gmtTime = DateTime.ParseExact(dateHeader,
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"ddd, dd MMM yyyy HH:mm:ss 'GMT'",
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System.Globalization.CultureInfo.InvariantCulture,
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System.Globalization.DateTimeStyles.AssumeUniversal);
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beijingTime = gmtTime.AddHours(8);
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// 更新基准时间和计时器
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_currentBeijingTime = beijingTime;
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_timeSinceLastSync = 0f;
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_isTimeSynced = true;
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Debug.Log($"时间同步成功！北京时间：{beijingTime:yyyy-MM-dd HH:mm:ss}");
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// 触发事件
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OnTimeSynced?.Invoke(beijingTime);
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success = true;
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break;
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}
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catch (Exception e)
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{
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Debug.LogWarning($"解析失败：{e.Message}");
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continue;
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}
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}
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}
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}
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}
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if (!success)
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{
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Debug.LogError("所有时间服务器都失败了，使用本地时间作为备用");
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_currentBeijingTime = DateTime.Now.AddHours(8);
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_timeSinceLastSync = 0f;
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_isTimeSynced = false; // 标记为未同步
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}
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}
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/// <summary>
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/// 自动校准（后台静默同步）
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/// </summary>
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private IEnumerator AutoCalibrateTime()
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{
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Debug.Log("开始自动校准时间...");
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// 保存当前累计时间，用于计算校准时的差距
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float oldElapsed = _timeSinceLastSync;
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yield return StartCoroutine(FetchBeijingTime());
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// 校准后可以计算误差
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Debug.Log($"时间校准完成，误差：{_timeSinceLastSync - oldElapsed:F2}秒");
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}
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} |