protected virtual void CompressSourceToStream(IO.EndianWriter blockStream, Stream sourceFile)
{
// Read the source bytes
byte[] buffer = new byte[sourceFile.Length];
for (int x = 0; x < buffer.Length;)
{
int n = sourceFile.Read(buffer, x, buffer.Length - x);
x += n;
}
// Compress the source bytes into a new buffer
byte[] result = ResourceUtils.Compress(buffer, out Adler32); // Also update this ECF's checksum
DataSize = result.Length; // Update this ECF's size
// Write the compressed bytes to the block stream
blockStream.Write(result);
}