public UltimaClientConnection(UltimaClientConnectionStatus status, IDiagnosticPullStream diagnosticPullStream,
IDiagnosticPushStream diagnosticPushStream, PacketDefinitionRegistry packetRegistry,
EncryptionSetup encryption, LoginEncryptionKey? configuedLoginEncryptionKey)
{
this.diagnosticPullStream = diagnosticPullStream;
this.diagnosticPushStream = diagnosticPushStream;
this.encryption = encryption;
this.configuedLoginEncryptionKey = configuedLoginEncryptionKey;
Status = status;
packetLogParser = new PacketLogParser(packetRegistry);
loginStream = new LoginPullStream();
loginStream.BaseStream = diagnosticPullStream;
receiveNewGameStream = new ClientNewGamePullStream();
receiveNewGameStream.BaseStream = diagnosticPullStream;
sendNewGameStream = new ClientNewGamePushStream();
}
private int ReceiveSeed(IPullStream inputStream, int batchLength, UltimaClientConnectionStatus nextStatus)
{
int byteReceived = 0;
if (receivedPosition == 0)
{
var firstByte = inputStream.ReadByte();
byteReceived++;
receivedPosition++;
receivedSeed[0] = (byte)firstByte;
if (firstByte != 0xEF)
{
var seed = new byte[4];
inputStream.Read(seed, 1, 3);
seed[0] = (byte)firstByte;
var packet = new Packet(PacketDefinitions.LoginSeed.Id, seed);
OnPacketReceived(packet);
Status = nextStatus;
receivedPosition = 0;
this.loginSeed = BitConverter.ToUInt32(seed.Reverse().ToArray(), 0);
if (requiresEncryption)
{
receiveNewGameStream = new ClientNewGamePullStream(seed);
receiveNewGameStream.BaseStream = diagnosticPullStream;
sendNewGameStream = new ClientNewGamePushStream(seed);
NewGameEncryptionStarted?.Invoke(seed);
}
else if (encryption == EncryptionSetup.EncryptedServer)
{
NewGameEncryptionStarted?.Invoke(seed);
}
return 4;
}
}
if (batchLength > byteReceived)
{
var remaining = 21 - receivedPosition;
var len = batchLength - byteReceived;
len = (len > remaining) ? remaining : len;
inputStream.Read(receivedSeed, receivedPosition, len);
receivedPosition += len;
byteReceived += len;
}
if (receivedPosition >= 21)
{
var packet = new Packet(PacketDefinitions.ExtendedLoginSeed.Id, receivedSeed);
OnPacketReceived(packet);
Status = nextStatus;
receivedPosition = 0;
this.loginSeed = BitConverter.ToUInt32(receivedSeed.Skip(1).Take(4).Reverse().ToArray(), 0);
var reader = new ArrayPacketReader(receivedSeed);
reader.Skip(5);
encryptionVersion = new Version(reader.ReadInt(), reader.ReadInt(), reader.ReadInt(), reader.ReadInt());
if (requiresEncryption)
{
receiveNewGameStream = new ClientNewGamePullStream(receivedSeed);
receiveNewGameStream.BaseStream = diagnosticPullStream;
sendNewGameStream = new ClientNewGamePushStream(receivedSeed);
NewGameEncryptionStarted?.Invoke(receivedSeed);
}
else if (encryption == EncryptionSetup.EncryptedServer)
{
NewGameEncryptionStarted?.Invoke(receivedSeed);
}
}
return byteReceived;
}