public byte[] Extract(Stream stream, XboxIsoFileEntry entry)
{
stream.Position = entry.StartSector * 0x800L;
var reader = new BinaryReader(stream);
return(reader.ReadBytes(entry.FileSize));
}
private IEnumerable <XboxIsoFileEntry> ReadDirectory(BinaryReader reader, string path, long basePosition)
{
var binaryTableLeft = reader.ReadInt16() * 4;
var binaryTableRight = reader.ReadInt16() * 4;
var entry = new XboxIsoFileEntry
{
StartSector = reader.ReadInt32(),
FileSize = reader.ReadInt32(),
Attributes = (XboxIsoFileAttributes)reader.ReadByte()
};
var nameLength = reader.ReadByte();
entry.FileName = $"{path}{Encodings.UTF8.GetString(reader.ReadBytes(nameLength))}";
if (!entry.Attributes.HasFlag(XboxIsoFileAttributes.Directory))
{
yield return(entry);
}
if (binaryTableLeft > 0)
{
reader.BaseStream.Position = basePosition + binaryTableLeft;
foreach (var e in ReadDirectory(reader, path, basePosition))
{
yield return(e);
}
}
if (binaryTableRight > 0)
{
reader.BaseStream.Position = basePosition + binaryTableRight;
foreach (var e in ReadDirectory(reader, path, basePosition))
{
yield return(e);
}
}
if (entry.Attributes.HasFlag(XboxIsoFileAttributes.Directory))
{
var newBase = entry.StartSector * 0x800L;
reader.BaseStream.Position = newBase;
foreach (var e in ReadDirectory(reader, $"{entry.FileName}/", newBase))
{
yield return(e);
}
}
}
