public static byte[] toggleNPCShow(int oid, boolean hide) {
            MaplePacketLittleEndianWriter mplew = new MaplePacketLittleEndianWriter();
            mplew.writeShort(SendPacketOpcode.NPC_TOGGLE_VISIBLE.getValue());
            mplew.writeInt(oid);
            mplew.write(hide ? 0 : 1);

            return mplew.getPacket();
        }