public static byte[] pvpCool(int cid, List<Integer> attack) {
        MaplePacketLittleEndianWriter mplew = new MaplePacketLittleEndianWriter();

        mplew.writeShort(SendPacketOpcode.PVP_COOL.getValue());
        mplew.writeInt(cid);
        mplew.write(attack.size());
        for (Iterator i$ = attack.iterator(); i$.hasNext();) {
            int b = ((Integer) i$.next());
            mplew.writeInt(b);
        }


        return mplew.getPacket();
    }