private void GenerateThread()
{
parser = new SourceDemoParser((SourceDemo)demo);
parser.AddMessageHandler((Byte)SourceDemoParser.MessageId.SVC_CreateStringTable, MessageCreateStringTable);
parser.AddMessageHandler((Byte)SourceDemoParser.MessageId.SVC_UpdateStringTable, MessageUpdateStringTable);
parser.AddMessageHandler((Byte)SourceDemoParser.MessageId.SVC_UserMessage, MessageUserMessage);
parser.AddMessageHandler((Byte)SourceDemoParser.MessageId.SVC_GameEventList, MessageGameEventList);
parser.Open();
parser.Seek(SourceDemo.HeaderSizeInBytes);
// so we can detect when signon frames stop and packet frames start
SourceDemoParser.FrameType lastFrameType = SourceDemoParser.FrameType.Signon;
Int32 percentRead = 0;
try
{
while (true)
{
SourceDemoParser.FrameType frameType = parser.ReadFrameHeader().Type;
if (frameType == SourceDemoParser.FrameType.Stop)
{
progressWindowInterface.UpdateProgress(100);
break;
}
else if (frameType == SourceDemoParser.FrameType.Signon || frameType == SourceDemoParser.FrameType.Packet)
{
if (lastFrameType == SourceDemoParser.FrameType.Signon && frameType == SourceDemoParser.FrameType.Packet)
{
parser.AddMessageHandler((Byte)SourceDemoParser.MessageId.NET_Tick, MessageNetTick);
}
lastFrameType = frameType;
parser.ReadCommandInfo();
parser.ReadSequenceInfo();
Int32 frameLength = parser.Reader.ReadInt32();
try
{
parser.ParsePacketMessages(frameLength);
}
catch (ThreadAbortException)
{
throw;
}
catch (Exception ex)
{
throw new ApplicationException("Message parsing error.\n\n" + parser.ComputeMessageLog(), ex);
}
}
else
{
parser.ParseFrame(frameType);
}
// calculate what percent of the file has been read
Int32 oldPercentRead = percentRead;
percentRead = (Int32)(parser.Position / (Single)parser.FileLength * 100.0f);
if (percentRead != oldPercentRead)
{
progressWindowInterface.UpdateProgress(percentRead);
}
}
}
finally
{
parser.Close();
}
}
private void ReadingThreadWorker()
{
FileStream fs = null;
BinaryReader br = null;
try
{
fs = File.OpenRead(FileFullPath);
br = new BinaryReader(fs);
// read header
if (fs.Length < HeaderSizeInBytes)
{
throw new ApplicationException("File length is too short to parse the header.");
}
ReadHeader(br);
}
finally
{
if (br != null)
{
br.Close();
}
if (fs != null)
{
fs.Close();
}
}
try
{
// initialise parser
parser = new SourceDemoParser(this);
parser.AddMessageHandler((Byte)SourceDemoParser.MessageId.SVC_Print, ReadMessagePrint);
parser.AddMessageHandler((Byte)SourceDemoParser.MessageId.SVC_ServerInfo, ReadMessageServerInfo);
parser.AddMessageHandler((Byte)SourceDemoParser.MessageId.SVC_CreateStringTable, ReadMessageCreateStringTable);
parser.AddMessageHandler((Byte)SourceDemoParser.MessageId.SVC_UpdateStringTable, ReadMessageUpdateStringTable);
parser.Open();
parser.Seek(HeaderSizeInBytes);
Boolean firstSignonFrameParsed = false;
while (true)
{
// frame header
SourceDemoParser.FrameHeader frameHeader = parser.ReadFrameHeader();
// special cases - additional frame header info
if (frameHeader.Type == SourceDemoParser.FrameType.Stop || frameHeader.Type == SourceDemoParser.FrameType.Packet)
{
break;
}
else if (frameHeader.Type == SourceDemoParser.FrameType.Signon)
{
// command info
parser.ReadCommandInfo();
// sequence info
parser.ReadSequenceInfo();
}
else if (frameHeader.Type == SourceDemoParser.FrameType.User)
{
parser.Seek(4); // outgoing sequence number
}
// frame data
if (frameHeader.Type != SourceDemoParser.FrameType.Synctick)
{
// get frame length
Int32 frameLength = parser.Reader.ReadInt32();
if (frameLength != 0)
{
if (frameHeader.Type == SourceDemoParser.FrameType.Signon)
{
try
{
if (!firstSignonFrameParsed)
{
firstSignonFrameParsed = true;
if (networkProtocol == 15)
{
Int64 start = parser.Position;
try
{
CalculateProtocol15Hack(frameLength);
}
catch (Exception)
{
Protocol15Hack = true;
}
parser.Seek(start, SeekOrigin.Begin);
}
}
parser.ParsePacketMessages(frameLength);
}
catch (ThreadAbortException)
{
throw;
}
catch (Exception ex)
{
throw new ApplicationException("Message parsing error.\n\n" + parser.ComputeMessageLog(), ex);
}
}
else
{
parser.Seek(frameLength);
}
}
}
}
}
finally
{
parser.Close();
}
}