public void ParseChatMessage(Packet _packet)
{
Write("data: " + Tools.ByteArrayToString(_packet.data));
Write("hex: " + hex);
string[] split = hex.Split(new string[] { "00" }, StringSplitOptions.None);
Write("split.Length[" + split.Length + "] data.Length[" + _packet.data.Length + "] _length[" + _packet.length + "]");
//foreach (string s in split)
//{
// Write("split: " + s);
//}
// Get Name
string name = split[split.Length - 2];
if (name.Length - 2 < 0)
name = name.Substring(0, name.Length);
else
name = name.Substring(0, name.Length - 2);
// Get Message
string message = split[split.Length - 1];
if (message.Length - 2 < 0)
message = message.Substring(0, message.Length);
else
message = message.Substring(0, message.Length - 2);
// Translate from Hex to String
this.name = Tools.HexStringToString(name);
this.message = Tools.HexStringToString(message);
Write("Message[" + GetFullMessage() + "]");
//Upload(GetFullMessage());
}
/// Parses a player name.
int ParseName(int index, Packet _packet, Player player)
{
string s = "";
int i = 0;
for (i = index; i < _packet.data.Length; i++)
{
if (_packet.data[i] == 0)
{
if (_packet.data[i + 1] == 0) // player has no clan
{
i += 8; // advance index by 8 bytes
break;
}
}
else if (_packet.data[i] == 2 || _packet.data[i] == 3) // clan tag found (tag length is revealed 2 bytes before the tag (either a 2 or 3))
{
if (_packet.data[i + 1] == 0)
{
i = ParseClan(i, _packet, player); // parse clan name and return index for the next player
break;
}
}
else // continue building name
{
char c = Convert.ToChar(_packet.data[i]);
s += c;
}
}
player.SetName(s);
return i;
}
public GameInterface.PacketType AnalyzePacketPattern(Packet _packet)
{
//if (_length < 1400)
// return GameInterface.PacketType.Ignore;
//string hex = BitConverter.ToString(_packet.data).Replace("-", string.Empty);
//Write("----- NEW ANALYZE -----");
//Tools.WriteSeparator();
//Write("byte (first 32): " + Tools.ByteArrayToString(_packet.data).Substring(0, 32));
//Write("hex (first 32): " + _packet.hex.Substring(0, 32));
//Write("byte: " + Tools.ByteArrayToString(_packet.data));
//Write("hex: " + _packet.hex);
//Tools.WriteSeparator();
if (_packet.hex.Substring(_packet.hex.Length - 2, 2) != "02")
return GameInterface.PacketType.Ignore;
bool isGlobalJoinPacket = IsPacketGlobalJoin(_packet);
bool isGlobalChatPacket = IsPacketGlobalChat(_packet);
//Tools.WriteSeparator();
//Write("- Finished");
if (isGlobalJoinPacket)
return GameInterface.PacketType.JoinedGlobal;
else if (isGlobalChatPacket)
return GameInterface.PacketType.ChatMessage;
else
return GameInterface.PacketType.Ignore;
}
Packet CreatePacket(byte[] _data, int _length)
{
Packet packet = new Packet();
packet.data = _data;
Tools.TrimTrailingBytes(ref packet.data, 0);
packet.hex = BitConverter.ToString(packet.data).Replace("-", String.Empty);
packet.length = _length;
packet.packetType = packetParser.GetPacketType(packet);
packet.Log();
return packet;
}
/// Parses a clan for a player
int ParseClan(int index, Packet _packet, Player player)
{
string s = "";
int i = 0;
int len = Convert.ToInt32(_packet.data[index]); // clan tag len
for (i = index + 2; i < index + 2 + len; i++)
{
char c = Convert.ToChar(_packet.data[i]);
s += c;
}
player.SetClan(s);
i += 6; // advance index by 6 bytes
return i;
}
public void ParseGlobalChannelJoin(Packet _packet, ref List<Player> playerList)
{
int index = 17; // Start at the 17th byte
while (index < _packet.data.Length)
{
Player p = new Player();
index = ParseName(index, _packet, p);
playerList.Add(p);
// Exit loop if three consecutive zeros appear
if (_packet.data.Length >= index + 2)
{
if (_packet.data[index] == 0 &&
_packet.data[index + 1] == 0 &&
_packet.data[index + 2] == 0)
break;
}
}
}
public GameInterface.PacketType GetPacketType(Packet _packet)
{
return packetAnalyzer.AnalyzePacketPattern(_packet);
}
bool IsPacketGlobalJoin(Packet _packet)
{
int highestIndex = 99;
int checks = 0;
int matches = 0;
if (_packet.hex.Length < highestIndex)
return false;
try
{
CheckPosition(_packet.hex, 0, "" + 0, false, ref checks, ref matches);
CheckPosition(_packet.hex, 1, "" + 0, false, ref checks, ref matches);
CheckPosition(_packet.hex, 12, "" + 0, true, ref checks, ref matches);
CheckPosition(_packet.hex, 13, "" + 0, true, ref checks, ref matches);
CheckPosition(_packet.hex, 14, "" + 0, true, ref checks, ref matches);
CheckPosition(_packet.hex, 15, "" + 0, true, ref checks, ref matches);
CheckPosition(_packet.hex, 17, "" + 0, false, ref checks, ref matches);
CheckPosition(_packet.hex, 25, "" + 0, false, ref checks, ref matches);
CheckPosition(_packet.hex, 31, "" + 0, false, ref checks, ref matches);
}
catch (Exception ex)
{
Write("Exception " + ex);
return false;
}
if ((float)matches / (float)checks >= accuracy)
Write("GlobalJoined Scored: " + (float)((float)matches / (float)checks) + ". (Length=" + _packet.length + ") (Checks=" + checks + ") (Matches=" + matches + ")");
return ((float)matches / (float)checks >= accuracy);
}
void HandlePacket(Packet packet)
{
switch (packet.packetType)
{
default:
Write("Unknown packet.");
break;
case PacketType.Ignore:
//Write("Ignored packet.");
break;
case PacketType.JoinedGlobal:
playerList.Clear();
packetParser.ParseGlobalChannelJoin(packet, ref playerList);
Write("Global has " + playerList.Count + " players.");
break;
case PacketType.ChatMessage:
ChatMessage cm = new ChatMessage();
cm.ParseChatMessage(packet);
break;
}
}
