public static byte[] getNPCShop(int sid, MapleShop shop, MapleClient c) {
            MaplePacketLittleEndianWriter mplew = new MaplePacketLittleEndianWriter();

            mplew.writeShort(SendPacketOpcode.OPEN_NPC_SHOP.getValue());
            mplew.writeInt(0);
            mplew.write(0); //v149
            mplew.writeInt(sid); // shop id
            PacketHelper.addShopInfo(mplew, shop, c);

            return mplew.getPacket();
        }