private GgpkDirectory GetRootDirectory()
{
RecordHeader ggpkHeader;
do
{
ggpkHeader = Stream.ReadRecordHeader();
} while (ggpkHeader.Type != RecordType.Ggpk);
var ggpk = new GgpkRecord(Stream, ggpkHeader.Length);
DirectoryRecord?dirRecord = default;
foreach (var offset in ggpk.RecordOffsets)
{
Stream.Position = offset;
RecordHeader header = Stream.ReadRecordHeader();
if (header.Type == RecordType.Directory)
{
dirRecord = new DirectoryRecord(Stream, header.Length);
break;
}
}
return(dirRecord switch
{
not null => GgpkDirectory.CreateRootDirectory(dirRecord, this),
_ => throw ParseException.GgpkParseFailure,
});
public GgpkFileSystem(string path)
{
_threadStream = new ThreadLocal <FileStream>(() =>
File.OpenRead(path));
Path = path;
Root = GetRootDirectory();
}