Help with packets please?

public class HELLO_Packet implements RWable {
	public String buildVersion_; // String
	public int gameId_ = 0; // int
	public String guid_; // String
	public String password_; // String
	public String secret_; // String
	public int keyTime_ = 0; // int
	public byte[] key_; // ByteArray
	public String jD; // String
	public String pk = ""; // String
	public String Tq = ""; // String
	public String H = ""; // String
	public String playPlatform = ""; // String
	public String unknow1 ="";

	public void parseFromInput(ByteArrayDataInput badi) throws IOException {
		this.buildVersion_ = badi.readUTF(); // UTF
		this.gameId_ = badi.readInt(); // Int
		this.guid_ = badi.readUTF(); // UTF
		this.password_ = badi.readUTF(); // UTF
		this.secret_ = badi.readUTF(); // UTF
		this.keyTime_ = badi.readInt(); // Int
		this.key_ = new byte[badi.readShort()]; // Short
		badi.readFully(this.key_); // Bytes

		byte[] buf = new byte[badi.readInt()]; // Int
		badi.readFully(buf);
		this.jD = new String(buf, Charset.forName("UTF-8"));		

		this.pk = badi.readUTF(); // UTF
		this.Tq = badi.readUTF(); // UTF
		this.H = badi.readUTF(); // UTF
		this.playPlatform = badi.readUTF(); // UTF
		
		//new version 12.4
		this.unknow1 = badi.readUTF(); // UTF
		
	}

	public void writeToOutput(ByteArrayDataOutput bado) throws IOException {
		bado.writeUTF(this.buildVersion_); // UTF
		bado.writeInt(this.gameId_); // Int
		bado.writeUTF(this.guid_); // UTF
		bado.writeUTF(this.password_); // UTF
		bado.writeUTF(this.secret_); // UTF
		bado.writeInt(this.keyTime_); // Int
		bado.writeShort(this.key_.length); // Short
		bado.write(this.key_); // Bytes
		bado.writeInt(this.jD.getBytes().length); // Int
		bado.write(this.jD.getBytes()); // UTFBytes        
		
		bado.writeUTF(this.pk); // UTF
		bado.writeUTF(this.Tq); // UTF
		bado.writeUTF(this.H); // UTF
		bado.writeUTF(this.playPlatform); // UTF
		
		//new version 12.4
		bado.writeUTF(this.unknow1);
	}

	public int getId() {
		return Packets.HELLO;
	}

	public String toString() {
		return "HELLO [" + buildVersion_ + " , " + gameId_ + " , " + guid_ + " , " + password_ + " , " + secret_ + " , " + keyTime_ + " , " + (key_ == null ? null : DatatypeConverter.printHexBinary(key_)) + " , " + jD + " , " + pk + " , " + Tq + " , " + H + " , " + playPlatform + "]";
	}
}

// Positive values are instanced dungeons
		public final static int MAP_TESTING = -6;
		public final static int VAULT = -5;
		public final static int TUTORIAL_PT2 = -4;
		public final static int REALM = -3; // seems to auto join a realm?
		public final static int NORMAL = -2;
		public final static int TUTORIAL_PT1 = -1;


public HELLO_Packet constructHelloPacket(int gm) {
		HELLO_Packet hp = new HELLO_Packet();
		hp.buildVersion_ = "14.2";
		hp.gameId_ = gm;  //NORMAL = -2
		hp.keyTime_ = -1;
		hp.secret_ = "";
		hp.key_ = new byte[0];
		hp.guid_ = getGuid();
		hp.password_ = getPassword();
		hp.jD = "";
		hp.pk = "";
		hp.Tq = "rotmg";
		hp.H = "";
		hp.playPlatform = "rotmg";
		return hp;
	}

public class Packets {
//	public static final Map<Integer, String> map = new HashMap<Integer, String>();
	public static final Map<Integer, String> allmap = new HashMap<Integer, String>();
	
	public final static int FAILURE = 0;
	public final static int CANCELTRADE = 1;
	public final static int USEPORTAL = 3;
	public final static int INVRESULT = 4;
	public final static int JOINGUILD = 5;
	public final static int PING = 6;
	public final static int MOVE = 7;
	public final static int GUILDINVITE = 8;
	public final static int GLOBAL_NOTIFICATION = 9;
	public final static int SETCONDITION = 10;
	public final static int UPDATEACK = 11;
	public final static int TRADEDONE = 12;
	public final static int SHOOT = 13;
	public final static int GOTOACK = 14;
	public final static int CREATEGUILD = 15;
	public final static int PONG = 16;
	public final static int HELLO = 17;
	public final static int TRADEACCEPTED = 18;
	public final static int SHOOTMULTI = 19;
	public final static int NAMERESULT = 20;
	public final static int REQUESTTRADE = 21;
	public final static int SHOOTACK = 22;
	public final static int TRADECHANGED = 23;
	public final static int PLAYERHIT = 24;
	public final static int TEXT = 25;
	public final static int UPDATE = 26;
	public final static int BUYRESULT = 27;
	public final static int PIC = 28;
	public final static int USEITEM = 30; 
	public final static int CREATE_SUCCESS = 31;
	public final static int CHOOSENAME = 33;
	public final static int QUESTOBJID = 34;
	public final static int INVDROP = 35;
	public final static int CREATE = 36;
	public final static int CHANGETRADE = 37;
	public final static int PLAYERSHOOT = 38;
	public final static int RECONNECT = 39;
	public final static int CHANGEGUILDRANK = 40;
	public final static int DEATH = 41;
	public final static int ESCAPE = 42;
	public final static int PLAYSOUND = 44;
	public final static int LOAD = 45;
	public final static int ACCOUNTLIST = 46;
	public final static int DAMAGE = 47;
	public final static int CHECKCREDITS = 48;
	public final static int TELEPORT = 49;
	public final static int BUY = 50;
	public final static int SQUAREHIT = 51;
	public final static int GOTO = 52;
	public final static int EDITACCOUNTLIST = 53;
	public final static int SHOW_EFFECT = 56;
	public final static int ACCEPTTRADE = 57;
	public final static int AOEACK = 59;
	public final static int MAPINFO = 60;
	public final static int TRADEREQUESTED = 61;
	public final static int NEW_TICK = 62;
	public final static int NOTIFICATION = 63;
	public final static int GROUNDDAMAGE = 64;
	public final static int INVSWAP = 65;
	public final static int OTHERHIT = 66;
	public final static int TRADESTART = 67;
	public final static int AOE = 68;
	public final static int PLAYERTEXT = 69;
	public final static int ALLYSHOOT = 74;
	public final static int CLIENTSTAT = 75;
	public final static int ENEMYHIT = 76;
	public final static int INVITEDTOGUILD = 77;
	public final static int GUILDREMOVE = 78;
	public final static int CREATEGUILDRESULT = 83;
	public final static int CLIENTSTAT_FILE = 86;