refactor:房间对战逻辑优化以及timer间隔修改为500ms

ViewModels/MainWindowViewModel.cs

@@ -112,7 +112,7 @@ namespace OnlineUserPool.ViewModels
 
 
             Log.Information("服务启动成功");
-            timer = new System.Timers.Timer(1000);
+            timer = new System.Timers.Timer(500);
             timer.Elapsed += Timer_Elapsed;
             timer.AutoReset = true;
             timer.Start();
@@ -524,28 +524,28 @@ namespace OnlineUserPool.ViewModels
         private void HandleGameRoomKick(ReceiveModel msg)
         {
             var msg1 = msg as GameRoomKickCommand;
-            var room = RoomList.ToList().Where(c => c.RoomId == msg1.RoomId).FirstOrDefault();
+            var room = RoomList.ToList().FirstOrDefault(c => c.RoomId == msg1.RoomId);
             if (room != null)
             {
                 var list = room.List;
-                var needRemove = list.Where(c => c.UserId == msg1.UserId).FirstOrDefault();
+                var needRemove = list.FirstOrDefault(c => c.UserId == msg1.UserId);
                 if (needRemove != null)
                 {
                     list.Remove(needRemove);
                     //如果当前是房主退出房间，房主替换成其他人， 房主客户端中断也算
-                    if (needRemove.IsOwner && list.Count() > 0)
+                    if (needRemove.IsOwner && list.Any())
                     {
                         var newOwner = list.FirstOrDefault();
                         newOwner.IsOwner = true;
                         room.UserId = newOwner.UserId;
                     }
                 }
-                //人数为0，删除房间
-                if (list.Count() == 0)
+                //房间没有产生记录且人数为0，删除房间
+                if (!room.Saved && !list.Any())
                 {
                     RoomList.Remove(room);
                 }
-                var mine = Clients.Where(c => c.MemberId == msg1.UserId).FirstOrDefault();
+                var mine = Clients.FirstOrDefault(c => c.MemberId == msg1.UserId);
                 if (mine != null)
                 {
                     mine.RoomId = 0;