else if(messageType == 15) message = new ServerCenterPrint(data, off + 1);
else if(messageType == 16) message = new ServerDownload(data, off + 1);
else if(messageType == 17) message = new ServerPlayerInfo(data, off + 1);
else if(messageType == 18) message = new ServerPacketEntities(data, off + 1);
else if(messageType == 19) message = new ServerDeltaPacketEntities(data, off + 1);
else if(messageType == 20) message = new ServerFrame(data, off + 1);
else if(messageType > 20)
{
messageType = 0;
message = new ServerBad(data, off + 1);
}