protected override SRFile CreateFromStream(string path, Stream stream)
{
var file = new SCUMM3File(path, (XorStream)stream);
if (!CheckFormat(file))
{
file.Close();
file = null;
}
return(file);
}
private bool CheckFormat(SCUMM3File file)
{
foreach (byte enc in ENCRYPTION_VALUES)
{
file.Encryption = enc;
file.Position = 0;
uint size = file.ReadU32LE();
TwoCC twoCC = file.ReadTwoCC();
if (twoCC.IsValid && size <= file.Size)
{
file.FileVersion = SCUMMUtils.DetermineSCUMMVersion(file);
return(true);
}
}
return(false);
}