public static byte[] harvestMessage(int oid, int msg) {
        MaplePacketLittleEndianWriter mplew = new MaplePacketLittleEndianWriter();

        mplew.writeShort(SendPacketOpcode.HARVEST_MESSAGE.getValue());
        mplew.writeInt(oid);
        mplew.writeInt(msg);

        return mplew.getPacket();
    }