private void WritingThreadWorker(String destinationFileName)
{
// create output file
FileStream stream = File.Open(destinationFileName, FileMode.Create, FileAccess.Write, FileShare.None);
BinaryWriter writer = new BinaryWriter(stream);
try
{
// initialise parser
parser = new SourceDemoParser(this);
parser.AddMessageHandler((Byte)SourceDemoParser.MessageId.SVC_UserMessage, WriteMessageUserMessage);
parser.Open();
Int32 percentRead = 0;
// header
Byte[] header = parser.Reader.ReadBytes(HeaderSizeInBytes);
writer.Write(header);
while (true)
{
// frame header
SourceDemoParser.FrameHeader frameHeader = parser.ReadFrameHeader();
writer.Write((Byte)frameHeader.Type);
if (frameHeader.Type != SourceDemoParser.FrameType.Stop)
{
writer.Write(frameHeader.Tick);
}
else
{
// write 3 bytes
writer.Write((Byte)(frameHeader.Tick & 0xFF));
writer.Write((Byte)((frameHeader.Tick >> 8) & 0xFF));
writer.Write((Byte)((frameHeader.Tick >> 16) & 0xFF));
}
// special cases - additional frame header info
if (frameHeader.Type == SourceDemoParser.FrameType.Stop)
{
break;
}
else if (frameHeader.Type == SourceDemoParser.FrameType.Signon || frameHeader.Type == SourceDemoParser.FrameType.Packet)
{
// command info
parser.WriteCommandInfo(parser.ReadCommandInfo(), writer);
// sequence info
parser.WriteSequenceInfo(parser.ReadSequenceInfo(), writer);
}
else if (frameHeader.Type == SourceDemoParser.FrameType.User)
{
Int32 outgoingSequence = parser.Reader.ReadInt32();
writer.Write(outgoingSequence);
}
// frame data
if (frameHeader.Type != SourceDemoParser.FrameType.Synctick)
{
// get frame length
Int32 frameLength = parser.Reader.ReadInt32();
writer.Write(frameLength);
if (frameLength != 0)
{
Byte[] frameData = null;
if (DemoProtocol == 3 && NetworkProtocol == 7 && Config.Settings.PlaybackRemoveFtb && frameHeader.Type == SourceDemoParser.FrameType.Packet)
{
// fade to black removal
parser.ParsePacketMessages(frameLength);
frameData = parser.BitBuffer.Data;
}
else
{
frameData = parser.Reader.ReadBytes(frameLength);
}
writer.Write(frameData);
}
}
// calculate what percent of the file has been read
Int32 oldPercentRead = percentRead;
percentRead = (Int32)(parser.Position / (Single)parser.FileLength * 100.0f);
if (percentRead != oldPercentRead)
{
writeProgressWindowInterface.UpdateProgress(percentRead);
}
}
}
finally
{
parser.Close();
writer.Close();
stream.Close();
}
}