Java tutorial
package eu.jangos.realm.network.packet.server.auth; import eu.jangos.realm.network.opcode.Opcodes; import eu.jangos.realm.network.packet.AbstractRealmServerPacket; import io.netty.buffer.ByteBuf; /** * jE4W is a featured server emulator for World of Warcraft 1.12.x. * * This program is free software; you can redistribute it and/or modify it under * the terms of the GNU General Public License as published by the Free Software * Foundation; either version 2 of the License, or (at your option) any later * version. * * This program is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS * FOR A PARTICULAR PURPOSE. See the GNU General Public License for more * details. * * You should have received a copy of the GNU General Public License along with * this program; if not, write to the Free Software Foundation, Inc., 59 Temple * Place, Suite 330, Boston, MA 02111-1307 USA * * World of Warcraft, and all World of Warcraft or Warcraft art, images, and * lore are copyrighted by Blizzard Entertainment, Inc. * * A lot of credits goes to MaNGOS project from which several ideas (but not * all) were included in this project. * * Copyright (C) 2015-2015 jE4W project Copyright (C) 2005-2014 MaNGOS project * <http://getmangos.eu> */ /** * SMSG_AUTH_CHALLENGE represents a server packet with the realm auth challenge. * * @author Warkdev * @version v0.1 BETA. */ public class SMSG_AUTH_CHALLENGE extends AbstractRealmServerPacket { /** * Seed is used for the encryption */ private byte[] seed; public SMSG_AUTH_CHALLENGE(Opcodes opcode) { super(opcode, 6); } public byte[] getSeed() { return seed; } public void setSeed(byte[] seed) { this.seed = seed; } @Override public void encode(ByteBuf buf) throws Exception { // SMSG_AUTH_CHALLENGE happens whenever a client is connecting to a realm. // Packet structure: // 2b - 2b - 4b // Size (BigEndian) - Opcode (Little Endian) - Seed buf.writeShort(this.size); buf.writeShort(this.code.getValue()); buf.writeBytes(this.seed, 0, 4); } }