public static byte[] getChannelChange(MapleClient c, int port) {
        MaplePacketLittleEndianWriter mplew = new MaplePacketLittleEndianWriter();

        mplew.writeShort(SendPacketOpcode.CHANGE_CHANNEL.getValue());
        mplew.write(1);
        mplew.write(ServerConstants.GMS_IP);
        mplew.writeShort(port);


        return mplew.getPacket();
    }