Core/Packets: CMSG_CANCEL_TRADE handler

(cherry picked from commit 4552e6a)

Author: DDuarte

src/server/game/Handlers/TradeHandler.cpp

@@ -28,6 +28,7 @@
 #include "SpellMgr.h"
 #include "SocialMgr.h"
 #include "TradeData.h"
+#include "TradePackets.h"
 #include "World.h"
 #include "WorldPacket.h"
 
@@ -578,7 +579,7 @@ void WorldSession::SendCancelTrade(TradeStatus status)
     SendTradeStatus(info);
 }
 
-void WorldSession::HandleCancelTradeOpcode(WorldPacket& /*recvPacket*/)
+void WorldSession::HandleCancelTradeOpcode(WorldPackets::Trade::CancelTrade& /*cancelTrade*/)
 {
     // sended also after LOGOUT COMPLETE
     if (_player)                                             // needed because STATUS_LOGGEDIN_OR_RECENTLY_LOGGOUT

src/server/game/Server/Packets/AllPackets.h

@@ -40,6 +40,7 @@
 #include "SystemPackets.h"
 #include "TalentPackets.h"
 #include "TotemPackets.h"
+#include "TradePackets.h"
 #include "WorldStatePackets.h"
 
 #endif // AllPackets_h__

src/server/game/Server/Packets/TradePackets.h

@@ -0,0 +1,37 @@
+/*
+* Copyright (C) 2008-2014 TrinityCore <http://www.trinitycore.org/>
+*
+* This program is free software; you can redistribute it and/or modify it
+* under the terms of the GNU General Public License as published by the
+* Free Software Foundation; either version 2 of the License, or (at your
+* option) any later version.
+*
+* This program is distributed in the hope that it will be useful, but WITHOUT
+* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+* more details.
+*
+* You should have received a copy of the GNU General Public License along
+* with this program. If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#ifndef TRINITYCORE_TRADE_PACKETS_H
+#define TRINITYCORE_TRADE_PACKETS_H
+
+#include "Packet.h"
+
+namespace WorldPackets
+{
+    namespace Trade
+    {
+        class CancelTrade final : public ClientPacket
+        {
+        public:
+            explicit CancelTrade(WorldPacket&& packet) : ClientPacket(CMSG_CANCEL_TRADE, std::move(packet)) { }
+
+            void Read() override { }
+        };
+    }
+}
+
+#endif // TRINITYCORE_TRADE_PACKETS_H

src/server/game/Server/WorldSession.h

@@ -271,6 +271,11 @@ namespace WorldPackets
     {
         class TotemDestroyed;
     }
+
+    namespace Trade
+    {
+        class CancelTrade;
+    }
 }
 
 enum AccountDataType
@@ -899,7 +904,7 @@ class TC_GAME_API WorldSession
         void HandleAcceptTradeOpcode(WorldPacket& recvPacket);
         void HandleBeginTradeOpcode(WorldPacket& recvPacket);
         void HandleBusyTradeOpcode(WorldPacket& recvPacket);
-        void HandleCancelTradeOpcode(WorldPacket& recvPacket);
+        void HandleCancelTradeOpcode(WorldPackets::Trade::CancelTrade& cancelTrade);
         void HandleClearTradeItemOpcode(WorldPacket& recvPacket);
         void HandleIgnoreTradeOpcode(WorldPacket& recvPacket);
         void HandleInitiateTradeOpcode(WorldPacket& recvPacket);