Major redesign: The game can not be left without disconnecting from the server. This happens if a player is kicked, if he wishes to leave, or for other reasons. Error packets from the server will always cause a disconnect, however.

If joining a game fails, there is a proper failure packet now.

src/net/common/clientthread.cpp

@@ -97,6 +97,14 @@ ClientThread::SendKickPlayer(unsigned playerId)
 	m_outPacketList.push_back(request);
 }
 
+void
+ClientThread::SendLeaveCurrentGame()
+{
+	boost::shared_ptr<NetPacket> request(new NetPacketLeaveCurrentGame);
+	boost::mutex::scoped_lock lock(m_outPacketListMutex);
+	m_outPacketList.push_back(request);
+}
+
 void
 ClientThread::SendStartEvent(bool fillUpWithCpuPlayers)
 {
@@ -507,6 +515,12 @@ ClientThread::RemovePlayerData(unsigned playerId)
 	}
 }
 
+void
+ClientThread::ClearPlayerDataList()
+{
+	m_playerDataList.clear();
+}
+
 void
 ClientThread::MapPlayerDataList()
 {
@@ -692,6 +706,13 @@ ClientThread::ModifyGameInfoRemovePlayer(unsigned gameId, unsigned playerId)
 		GetCallback().SignalNetClientGameListPlayerLeft(gameId, playerId);
 }
 
+void
+ClientThread::ClearGameInfoMap()
+{
+	boost::mutex::scoped_lock lock(m_gameInfoMapMutex);
+	m_gameInfoMap.clear();
+}
+
 bool
 ClientThread::IsSessionEstablished() const
 {