fix match mode

Game/ClientField.cs

@@ -14,6 +14,10 @@ namespace WindBot.Game
         public IList<ClientCard> ExtraDeck { get; private set; }
 
         public ClientField()
+        {
+        }
+
+        public void Init(int deck, int extra)
         {
             Hand = new List<ClientCard>();
             MonsterZone = new ClientCard[5];
@@ -22,10 +26,7 @@ namespace WindBot.Game
             Banished = new List<ClientCard>();
             Deck = new List<ClientCard>();
             ExtraDeck = new List<ClientCard>();
-        }
 
-        public void Init(int deck, int extra)
-        {
             for (int i = 0; i < deck; ++i)
                 Deck.Add(new ClientCard(0, CardLocation.Deck));
             for (int i = 0; i < extra; ++i)

Game/GameBehavior.cs

@@ -73,6 +73,7 @@ namespace WindBot.Game
             _packets.Add(StocMessage.Replay, OnReplay);
             _packets.Add(StocMessage.DuelEnd, OnDuelEnd);
             _packets.Add(StocMessage.Chat, OnChat);
+            _packets.Add(StocMessage.ChangeSide, OnJoinGame);
 
             _messages.Add(GameMessage.Retry, OnRetry);
             _messages.Add(GameMessage.Start, OnStart);