public Stream Open()
{
var bigStream = new BigArchiveEntryStream(this, _offset);
// Wrapping BigStream in a BufferedStream significantly improves performance.
var bufferedBigStream = new BufferedStream(bigStream);
// Check for refpack compression header.
// C&C3 started using refpack compression for .big archive entries.
if (RefPackStream.IsProbablyRefPackCompressed(bufferedBigStream))
{
var refPackStream = new RefPackStream(bufferedBigStream);
// Wrap RefPackStream in (another) BufferedStream, to improve performance.
return(new BufferedStream(refPackStream));
}
return(bufferedBigStream);
}
private Stream OpenInWriteMode()
{
if (CurrentlyOpenForWrite)
{
throw new IOException("Can only write once and one entry at a time!");
}
CurrentlyOpenForWrite = true;
var bigStream = new BigArchiveEntryStream(this, Offset);
// Check for refpack compression header.
// C&C3 started using refpack compression for .big archive entries.
if (RefPackStream.IsProbablyRefPackCompressed(bigStream))
{
return(new RefPackStream(bigStream));
}
return(bigStream);
}
public Stream Open()
{
// TODO: Use System.IO.MemoryMappedFiles
using (var bigStream = new BigStream(this, _offset))
{
var result = new MemoryStream((int)Length);
bigStream.CopyTo(result);
result.Position = 0;
// Check for refpack compression header.
// C&C3 started using refpack compression for .big archive entries.
if (RefPackStream.IsProbablyRefPackCompressed(result.GetBuffer()))
{
return(new RefPackStream(result));
}
return(result);
}
}
