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Assets/Scripts/Demo/GameTimer.cs

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+using System;
+using NBC;
+using UnityEngine;
+
+namespace NBF
+{
+    public class GameTimer
+    {
+        static GameTimer()
+        {
+            SetServerTime(DateTimeOffset.UtcNow.ToUnixTimeMilliseconds());
+        }
+
+        // 游戏纪元开始时间（Unix 时间戳，毫秒）
+        private const long GameEpoch = 1672531200000; // 2023-01-01 00:00:00 UTC
+
+        // 时间加速比例 (1现实秒 = 15游戏秒)
+        private const int TimeAcceleration = 200;
+
+        //一天, 一小时, 一分钟固定时长(毫秒)
+        public const long DAY_MILLS = 86400000;
+        public const long HOUR_MILLS = 3600000;
+        public const long MINUTE_MILLS = 60000;
+        public const long SECOND_MILLS = 1000;
+
+        private static long _serverTime;
+
+        /// <summary>
+        /// 更新服务器时间时的unity运行时间
+        /// </summary>
+        private static float _serverTimeLocalTime;
+
+        /// <summary>
+        /// 当前服务器时间（ms）
+        /// </summary>
+        public static long serverTime
+        {
+            get
+            {
+                var offsetLocalTime = (long)((Time.realtimeSinceStartup - _serverTimeLocalTime) * 1000);
+                return _serverTime + offsetLocalTime;
+            }
+        }
+
+        /// <summary>
+        /// 当前游戏时间
+        /// </summary>
+        public static long gameTime => RealToGameTimestamp(serverTime);
+
+        public static string gameTimeString
+        {
+            get
+            {
+                var realTime = DateTimeOffset.FromUnixTimeMilliseconds(gameTime);
+                return $"{realTime.Hour:D2}:{realTime.Minute:D2}";
+            }
+        }
+
+        public static DateTime ServerDateTime => ConvertUtcToDateTime(serverTime);
+
+
+        public static void SetServerTime(long time)
+        {
+            Log.Info($"设置服务器时间={time}");
+            _serverTime = time;
+            _serverTimeLocalTime = Time.realtimeSinceStartup;
+        }
+
+        /// <summary>
+        /// 获取本地时区
+        /// </summary>
+        /// <returns></returns>
+        public static int GetLocalTimeZoneOffset()
+        {
+            TimeZoneInfo localTimeZone = TimeZoneInfo.Local;
+            int offset = (int)localTimeZone.BaseUtcOffset.TotalHours;
+
+            return offset;
+        }
+
+
+        /// <summary>
+        /// 现实时间戳转游戏时间戳
+        /// </summary>
+        /// <param name="realTimestamp">现实时间戳(毫秒)</param>
+        /// <returns>游戏时间戳(毫秒)</returns>
+        public static long RealToGameTimestamp(long realTimestamp)
+        {
+            long realElapsed = realTimestamp - GameEpoch;
+            long gameElapsed = realElapsed * TimeAcceleration;
+            return GameEpoch + gameElapsed;
+        }
+
+        /// <summary>
+        /// 游戏时间戳转现实时间戳
+        /// </summary>
+        /// <param name="gameTimestamp">游戏时间戳(毫秒)</param>
+        /// <returns>现实时间戳(毫秒)</returns>
+        public static long GameToRealTimestamp(long gameTimestamp)
+        {
+            long gameElapsed = gameTimestamp - GameEpoch;
+            long realElapsed = gameElapsed / TimeAcceleration;
+            return GameEpoch + realElapsed;
+        }
+
+        /// <summary>
+        /// 13位时间戳转化为时间
+        /// </summary>
+        /// <param name="utcTime">时间戳</param>
+        /// <returns></returns>
+        public static DateTime ConvertUtcToDateTime(long utcTime)
+        {
+            var startTime = TimeZoneInfo.ConvertTimeFromUtc(new DateTime(1970, 1, 1), TimeZoneInfo.Utc);
+            var cTime = startTime.AddTicks(utcTime * 10000);
+            return cTime;
+        }
+
+
+        /// <summary>
+        /// 时间转化为10位时间戳
+        /// </summary>
+        /// <param name="time">获取的时间</param>
+        /// <returns></returns>
+        public static long ConvertDateTimeToUtc_10(DateTime time)
+        {
+            TimeSpan timeSpan = time.ToUniversalTime() - new DateTime(1970, 1, 1, 0, 0, 0, 0);
+            return Convert.ToInt64(timeSpan.TotalSeconds);
+        }
+
+        /// <summary>
+        /// 转为毫秒时间戳 13位
+        /// </summary>
+        /// <param name="time"></param>
+        /// <returns></returns>
+        public static long ConvertDateTimeToUtc(DateTime time)
+        {
+            TimeSpan timeSpan = time - new DateTime(1970, 1, 1, 0, 0, 0, 0);
+            return Convert.ToInt64(timeSpan.TotalMilliseconds);
+        }
+
+        /// <summary>
+        /// 将一个秒数转换成"00:00:00"格式
+        /// </summary>
+        /// <param name="second"></param>
+        /// <returns></returns>
+        public static string GetTimeStringHMD(long second)
+        {
+            int h = Mathf.FloorToInt(second / 3600f);
+            int m = Mathf.FloorToInt(second / 60f - h * 60f);
+            int s = Mathf.FloorToInt(second - m * 60f - h * 3600f);
+            // 直接返回格式化好的小时、分钟、秒
+            return string.Format("{0:D2}:{1:D2}:{2:D2}", h, m, s);
+        }
+
+        /// <summary>
+        /// 将一个秒数转换成"00:00"格式
+        /// </summary>
+        /// <param name="second"></param>
+        /// <returns></returns>
+        public static string GetTimeStringMD(int second)
+        {
+            if (second <= 0)
+            {
+                return "00:00";
+            }
+
+            float m = Mathf.FloorToInt(second / 60f);
+            float s = Mathf.FloorToInt(second % 60);
+
+            // 使用ZString进行高效的字符串拼接
+            return string.Format("{0:D2}:{1:D2}", (int)m, (int)s);
+        }
+
+
+        /// <summary>
+        /// 获取游戏时间在当天的进度（0到1之间的值）
+        /// 0表示当天0点，1表示当天24点
+        /// </summary>
+        public static float GetGameDayProgress()
+        {
+            // 获取当天的总毫秒数
+            double totalMillisecondsInDay = 24 * 60 * 60 * 1000; // 86400000ms
+
+            // 计算当天已过去的毫秒数
+            double elapsedMilliseconds = ConvertUtcToDateTime(gameTime).TimeOfDay.TotalMilliseconds;
+
+            // 计算进度（0-1）
+            return (float)(elapsedMilliseconds / totalMillisecondsInDay);
+            // return 0.2f;
+        }
+    }
+}