@Override
    public void decode(InputStream stream) {
        session.setDecoder(-1);
        int packetId = stream.readUnsignedByte();
        if (World.exiting_start != 0) {
            System.err.println("Login Decoder [Decode] -> Mismatch in the existing start!");
            session.getLoginPackets().sendClientPacket(14);
            return;
        }
        int packetSize = stream.readUnsignedShort();
        if (packetSize != stream.getRemaining()) {
            System.err.println("Login Decoder [Decode] -> Insufficient amount of bytes in the buffer!");
            session.getChannel().close();
            return;
        }
        if (stream.readInt() != Settings.MAJOR_BUILD || stream.readInt() != Settings.MINOR_BUILD) {
            System.err.println("Login Decoder -> Invalid major or minor builds!");
            session.getLoginPackets().sendClientPacket(6);
            return;
        }
        if (packetId == 16 || packetId == 18) {
            decodeWorldLogin(stream);
        } else {
            if (Settings.DEBUG) {
                Logger.log(this, "PacketId " + packetId);
            }
            session.getChannel().close();
        }
    }

    @SuppressWarnings("unused")
    public void decodeWorldLogin(InputStream stream) {
        boolean unknownEquals14 = stream.readUnsignedByte() == 1;
        int rsaBlockSize = stream.readUnsignedShort();
        if (rsaBlockSize > stream.getRemaining()) {
            System.err.println("Login Decoder -> Insufficient amount of bytes in the buffer!");
            session.getLoginPackets().sendClientPacket(10);
            return;
        }
        byte[] data = new byte[rsaBlockSize];
        stream.readBytes(data, 0, rsaBlockSize);
        InputStream rsaStream = new InputStream(Utilities.cryptRSA(data, Settings.GAME_SERVER_PRIVATE_EXPONENT, Settings.GAME_SERVER_PRIVATE_MODULUS));
        if (rsaStream.readUnsignedByte() != 10) {
            System.err.println("Login Decoder -> Block opcode mismatch!");
            session.getLoginPackets().sendClientPacket(10);
            return;
        }
        int[] isaacKeys = new int[4];
        for (int i = 0; i < isaacKeys.length; i++) {
            isaacKeys[i] = rsaStream.readInt();
        }
        if (rsaStream.readLong() != 0L) {
            System.err.println("Login Decoder -> Login hash mismatch!");
            session.getLoginPackets().sendClientPacket(10);
            return;
        }
        String password = rsaStream.readString();
        if (password.length() > 30 || password.length() < 3) {
            session.getLoginPackets().sendClientPacket(3);
            return;
        }
        password = Encrypt.encryptSHA1(password);
        rsaStream.readLong();
        rsaStream.readLong();
        stream.decodeXTEA(isaacKeys, stream.getOffset(), stream.getLength());
        boolean stringUsername = stream.readUnsignedByte() == 1;
        String username = Utilities.formatPlayerNameForProtocol(stringUsername ? stream.readString() : Utilities.longToString(stream.readLong()));
        int displayMode = stream.readUnsignedByte();
        int screenWidth = stream.readUnsignedShort();
        int screenHeight = stream.readUnsignedShort();
        stream.readUnsignedByte();
        stream.skip(24);
        stream.readString();
        stream.readInt();
        stream.skip(stream.readUnsignedByte());
        stream.skip(stream.readUnsignedByte());
        stream.readInt();
        stream.readLong();
        stream.readString();
        if (stream.readUnsignedByte() == 1) {
            stream.readString();
        }
        stream.readUnsignedByte();
        stream.readUnsignedByte();
        stream.readUnsignedByte();
        stream.readByte();
        stream.readInt();
        stream.readString();
        stream.readUnsignedByte();
/*      for (int index = 0; index < Cache.STORE.getIndexes().length; index++) {
            if (index == 34) {
                continue;
            }
            int crc = Cache.STORE.getIndexes()[index] == null ? -1011863738 : Cache.STORE.getIndexes()[index].getCRC();
            int receivedCRC = stream.readInt();
            if (crc != receivedCRC && index < 32) {
                System.err.println("Decode Login -> CRC received is not equal to the one in indexes...");
                session.getLoginPackets().sendClientPacket(6);
                return;
            }
        }*/
        for (int index = 0; index < Cache.STORE.getIndexes().length; index++) {
            int receivedCRC = stream.readInt();
        }
        if (Utilities.invalidAccountName(username)) {
            session.getLoginPackets().sendClientPacket(3);
            return;
        }
        if (World.getPlayers().size() >= Settings.PLAYERS_LIMIT - 10) {
            session.getLoginPackets().sendClientPacket(7);
            return;
        }
        if (World.containsPlayer(username)) {
            session.getLoginPackets().sendClientPacket(5);
            return;
        }
        if (AntiFlood.getSessionsIP(session.getIP()) > 2) {
            session.getLoginPackets().sendClientPacket(9);
            return;
        }
        Player player;
        if (!SerializableFilesManager.containsPlayer(username)) {
            player = new Player(password);
        } else {
            player = SerializableFilesManager.loadPlayer(username);
            if (player == null) {
                session.getLoginPackets().sendClientPacket(20);
                return;
            }
            if (!password.equals(player.getPassword())) {
                session.getLoginPackets().sendClientPacket(3);
                return;
            }
        }
        player.init(session, username, displayMode, screenWidth, screenHeight, new IsaacKeyPair(isaacKeys));
        session.getLoginPackets().sendLoginDetails(player);
        session.setDecoder(3, player);
        session.setEncoder(2, player);
        player.start();
    }