private static void ExtractSinData(BackgroundWorker sender, BinaryReader br, List <SinFile.BlockInfoHeader> bihs, string destination, bool showProgress = true)
{
using (FileStream fsw = new FileStream(destination, FileMode.Create))
using (BinaryWriter bw = new BinaryWriter(fsw))
{
int SinVersion = SinFile.GetSinVersion(br);
long previousDest = 0, previousLength = 0;
int dataStart = SinFile.GetDataStart(br);
br.BaseStream.Position = dataStart;
for (int i = 0; i < bihs.Count; i++)
{
SinFile.BlockInfoHeader bih = bihs[i];
if (previousDest + previousLength < bih.dataDest)
{
FillFF(fsw, (previousDest + previousLength), (bih.dataDest - previousDest - previousLength));
}
if (SinVersion != 2)
{
br.BaseStream.Position = dataStart + bih.dataStart;
}
fsw.Position = bih.dataDest;
if (SinFile.isCompressed(bih))
{
DecompressAndCopy(br, bw, bih);
}
else
{
CopyBytes(br, bw, bih.dataLength);
}
previousDest = bih.dataDest;
previousLength = SinFile.isCompressed(bih) ? bih.destLength : bih.dataLength;
if (showProgress)
{
sender.ReportProgress((int)((float)i / bihs.Count * 100));
}
}
long finallength = SinFile.GetFinalLength(fsw);
if (finallength > previousDest + previousLength)
{
FillFF(fsw, (previousDest + previousLength), (finallength - previousDest - previousLength));
}
if (showProgress)
{
sender.ReportProgress(100);
}
}
}
