public int PopInt()
{
if (RemainingLength < 1)
{
return(0);
}
var data = PlainReadBytes(4);
var i = EncryptionUtilities.DecodeInt32(data);
_pointer += 4;
return(i);
}
public void HandlePacketData(byte[] data)
{
try
{
if (_client.Rc4Client != null && !_deciphered)
{
_client.Rc4Client.Decrypt(ref data);
_deciphered = true;
}
if (_halfDataRecieved)
{
var fullDataRcv = new byte[_halfData.Length + data.Length];
Buffer.BlockCopy(_halfData, 0, fullDataRcv, 0, _halfData.Length);
Buffer.BlockCopy(data, 0, fullDataRcv, _halfData.Length, data.Length);
_halfDataRecieved = false; // mark done this round
HandlePacketData(fullDataRcv); // repeat now we have the combined array
return;
}
using (var reader = new BinaryReader(new MemoryStream(data)))
{
if (data.Length < 4)
{
return;
}
var msgLen = EncryptionUtilities.DecodeInt32(reader.ReadBytes(4));
if (reader.BaseStream.Length - 4 < msgLen)
{
_halfData = data;
_halfDataRecieved = true;
return;
}
if (msgLen < 0 || msgLen > 5120)//TODO: Const somewhere.
{
return;
}
var packet = reader.ReadBytes(msgLen);
using (var r = new BinaryReader(new MemoryStream(packet)))
{
var header = EncryptionUtilities.DecodeInt16(r.ReadBytes(2));
var content = new byte[packet.Length - 2];
Buffer.BlockCopy(packet, 2, content, 0, packet.Length - 2);
var message = new ClientPacket(header, content);
OnNewPacket.Invoke(message);
_deciphered = false;
}
if (reader.BaseStream.Length - 4 > msgLen)
{
var extra = new byte[reader.BaseStream.Length - reader.BaseStream.Position];
Buffer.BlockCopy(data, (int)reader.BaseStream.Position, extra, 0, (int)(reader.BaseStream.Length - reader.BaseStream.Position));
_deciphered = true;
HandlePacketData(extra);
}
}
}
#pragma warning disable CS0168 // The variable 'e' is declared but never used
catch (Exception e)
#pragma warning restore CS0168 // The variable 'e' is declared but never used
{
//Logger.Error("Packet Error!", e);
}
}