feat: initial commit - HJHA game server full source

6 major server modules (PdkFriendServer/GlobalSever/ServerCore/GameModule/GameNetModule) +
game logic (GameFix/GameDAL/ServerData) +
network layer (NetWorkMessage) +
data layer (ObjectModel) +
utilities (MrWu/Core/Config/CloudAPI/dll) +
adapters (zyxAdapter/base)

.NET 8.0 C# solution, 16 projects, 958 source files

ServerCore/Helper/DateTimeHelper.cs

@@ -0,0 +1,57 @@
+using System;
+
+namespace Server
+{
+    public class DateTimeHelper
+    {
+        private static readonly System.DateTime unixTime =
+            TimeZone.CurrentTimeZone.ToLocalTime(new System.DateTime(1970, 1, 1, 0, 0, 0, 0));
+
+        /// <summary>
+        /// 时间转时间戳
+        /// </summary>
+        /// <param name="time">时间</param>
+        /// <param name="bflag">true 表示10位时间戳 false 表示13位时间戳</param>
+        /// <returns>时间戳</returns>
+        public static long DateTime2TimeStamp(System.DateTime time, bool bflag = true)
+        {
+            TimeSpan ts = time - unixTime;
+            if (bflag)
+                return Convert.ToInt64(ts.TotalSeconds);
+            else
+                return Convert.ToInt64(ts.TotalMilliseconds);
+        }
+            
+        /// <summary>
+        /// 时间戳转时间
+        /// </summary>
+        /// <param name="timeStamp"></param>
+        /// <returns></returns>
+        public static System.DateTime TimeStamp2DateTime(long timeStamp)
+        {
+            string timeStampStr = timeStamp.ToString();
+            if (timeStampStr.Length == 10)
+            {
+                DateTimeOffset dateTime = DateTimeOffset.FromUnixTimeSeconds(timeStamp);
+                dateTime = dateTime.ToOffset(TimeSpan.FromHours(8)); //UTC 转北京时间
+                return dateTime.DateTime;
+            }
+
+            if (timeStampStr.Length == 13)
+            {
+                DateTimeOffset dateTime = DateTimeOffset.FromUnixTimeMilliseconds(timeStamp);
+                dateTime = dateTime.ToOffset(TimeSpan.FromHours(8));
+                return dateTime.DateTime;
+            }
+
+            return System.DateTime.MinValue;
+        }
+
+        public static float TimeBeTween(System.DateTime now,System.DateTime last)
+        {
+            TimeSpan ts = now.Subtract(last).Duration();
+
+            return (float)ts.TotalMilliseconds;
+        }
+    }
+}