| public static Decompress ( byte input, byte &output ) : void | ||
| input | byte | |
| output | byte | |
| Результат | void | |
public static void Decompress(byte[] input, out byte[] output)
{
if (input == null)
throw new ArgumentNullException("input");
var size = input.Length;
var result = new byte[1024];
uint b = 0;
uint i = 0;
var max = (uint)result.Length;
var j = 0;
uint count = 0x20;
while (true)
{
uint a;
if (count >= 8)
{
while (size > 0 && count >= 8)
{
count -= 8;
size--;
a = (uint)input[i++] << (int)count;
b |= a;
}
}
var index = IndexTable[b >> 0x18];
a = CharacterTable[index];
var d = (b >> (int)(0x18 - a)) & BitMasks[a];
var c = CharacterTable[index + 2 * d + 2];
count += c;
if (count > 0x20)
{
var actual = (uint)result.Length - max;
output = new byte[actual];
Array.Copy(result, output, actual);
return;
}
max--;
if (max == 0)
Array.Resize(ref result, result.Length * 2);
a = CharacterTable[index + 2 * d + 1];
result[j++] = (byte)a;
b <<= c & 0xFF;
}
}
public override void ThreadFunction()
{
m_socket = new TcpClient();
//Initialize the game's data
m_owner.InitializeGameData();
Console.Write("{0}: [D2GS] Connecting to Game Server {1}:{2} .......", m_owner.Account, m_owner.GsIp, s_gsPort);
try
{
m_socket.Connect(m_owner.GsIp, s_gsPort);
m_stream = m_socket.GetStream();
Console.WriteLine(" Connected");
}
catch
{
Console.WriteLine(" Failed To connect");
return;
}
m_owner.ConnectedToGs = true;
List <byte> buffer = new List <byte>();
byte[] byteBuffer = new byte[4096];
Int32 bytesRead = 0;
while (true)
{
try
{
/*
* while (m_stream.DataAvailable)
* {
* buffer.Add((byte)m_stream.ReadByte());
* if(!m_stream.DataAvailable)
* Console.WriteLine("{0}: [D2GS] Finished Reading to Buffer...", m_owner.Account);
* }
*/
if (m_stream.DataAvailable)
{
bytesRead = m_stream.Read(byteBuffer, 0, byteBuffer.Length);
buffer.AddRange(new List <byte>(byteBuffer).GetRange(0, bytesRead));
}
else
{
if (!m_socket.Connected)
{
if (m_owner.ConnectedToGs)
{
m_owner.ConnectedToGs = false;
if (m_pingThread.IsAlive)
{
m_pingThread.Join();
}
// Join threads
}
m_owner.Status = ClientlessBot.ClientStatus.STATUS_NOT_IN_GAME;
break;
}
Thread.Sleep(100);
}
while (m_stream.DataAvailable)
{
buffer.Add((byte)m_stream.ReadByte());
}
}
catch
{
//if (ClientlessBot.debugging)
Console.WriteLine("{0}: [D2GS] Disconnected from game server", m_owner.Account);
if (m_owner.ConnectedToGs)
{
m_owner.ConnectedToGs = false;
if (m_pingThread.IsAlive)
{
m_pingThread.Join();
}
// Join threads
}
m_owner.Status = ClientlessBot.ClientStatus.STATUS_NOT_IN_GAME;
break;
}
while (true)
{
try
{
UInt16 receivedPacket = 0;
if (buffer.Count >= 2)
{
receivedPacket = BitConverter.ToUInt16(buffer.ToArray(), 0);
}
if (buffer.Count >= 2 && receivedPacket == (UInt16)0x01af)
{
if (ClientlessBot.debugging)
{
Console.WriteLine("{0}: [D2GS] Logging on to game server", m_owner.Account);
}
byte[] temp = { 0x50, 0xcc, 0x5d, 0xed,
0xb6, 0x19, 0xa5, 0x91 };
Int32 pad = 16 - m_owner.Character.Length;
byte[] padding = new byte[pad];
byte[] characterClass = { m_owner.ClassByte };
byte[] joinpacket = BuildPacket(0x68, m_owner.GsHash, m_owner.GsToken, characterClass, BitConverter.GetBytes((UInt32)0xd), temp, zero, System.Text.Encoding.ASCII.GetBytes(m_owner.Character), padding);
Write(joinpacket);
//Console.WriteLine("{0}: [D2GS] Join packet sent to server", m_owner.Account);
buffer.RemoveRange(0, 2);
}
if (buffer.Count < 2 || (buffer[0] >= 0xF0 && buffer.Count < 3))
{
break;
}
Int32 headerSize;
Int32 length = Huffman.GetPacketSize(buffer, out headerSize);
if (length > buffer.Count)
{
break;
}
byte[] compressedPacket = buffer.GetRange(headerSize, length).ToArray();
buffer.RemoveRange(0, length + headerSize);
byte[] decompressedPacket;
Huffman.Decompress(compressedPacket, out decompressedPacket);
List <byte> packet = new List <byte>(decompressedPacket);
while (packet.Count != 0)
{
Int32 packetSize;
if (!GetPacketSize(packet, out packetSize))
{
Console.WriteLine("{0}: [D2GS] Failed to determine packet length", m_owner.Account);
break;
}
List <byte> actualPacket = new List <byte>(packet.GetRange(0, packetSize));
packet.RemoveRange(0, packetSize);
byte identifier = actualPacket[0];
DispatchPacket(identifier)(identifier, actualPacket);
m_owner.ReceivedGameServerPacket(actualPacket);
}
}
catch
{
m_owner.InGame = false;
m_owner.ConnectedToGs = false;
Console.WriteLine("{0}: [D2GS] Leaving the game.", m_owner.Account);
Write(new byte[] { 0x69 });
Thread.Sleep(500);
if (m_pingThread.IsAlive)
{
m_pingThread.Join();
}
m_owner.Status = ClientlessBot.ClientStatus.STATUS_NOT_IN_GAME;
Kill();
return;
}
}
}
}
