private void ReadFileSystem()
{
XFSInputFile ifile = new XFSInputFile(this, this.RootSectorBlockSize * 0x800, this.RootSectorBlock);
this.RootDir = new XDvdFsFileSystemEntry(ifile);
this.CurrentDir = this.RootDir;
ISOFileStreamer ifs = new ISOFileStreamer(this.fileSystemOffset, new BinaryReader(this.GetStream()));
ifs.GetNewFile(ifile);
byte[] buffer = new byte[this.RootSectorBlockSize * 0x800];
ifs.Read(buffer, 0, this.RootSectorBlockSize * 0x800);
this.ReadFileSystemData(buffer, 0, this.RootDir, ifs);
List <XDvdFsFileSystemEntry> fileList = this.RootDir.GetFileList();
fileList.Sort(new FSOutSectorComparer());
XDvdFsFileSystemEntry fse = new XDvdFsFileSystemEntry(new FSFolder("Temp"));
foreach (XDvdFsFileSystemEntry entry2 in fileList)
{
if (((fse.StartSector == entry2.StartSector) && (fse.LogicalFileSize == entry2.LogicalFileSize)) && !entry2.IsFolder)
{
entry2.SetLinkedTo(fse);
}
fse = entry2;
}
}
private void ReadFileSystemData(byte[] buffer, int fsOffset, XDvdFsFileSystemEntry parentEntry, ISOFileStreamer ifs)
{
if (fsOffset > buffer.Length)
{
throw new SystemException("Disaster");
}
XFSInputFile ifile = new XFSInputFile(this, buffer, fsOffset);
XDvdFsFileSystemEntry entry = new XDvdFsFileSystemEntry(ifile);
entry.ParentNode = parentEntry;
ushort num = BitConverter.ToUInt16(buffer, fsOffset);
ushort num2 = BitConverter.ToUInt16(buffer, fsOffset + 2);
if (ifile.StartSector == -1)
{
throw new SystemException("Invalid TOC entry");
}
if (num != 0)
{
if ((num * 4) > buffer.Length)
{
throw new SystemException("Disaster 2!");
}
this.ReadFileSystemData(buffer, num * 4, parentEntry, ifs);
}
if (ifile.IsFolder())
{
if ((ifile.StartSector == 0) || (ifile.GetFileLength() == 0L))
{
parentEntry.Files.Add(entry);
}
else
{
byte[] buffer2 = new byte[ifile.GetFileLength()];
ifs.GetNewFile(ifile);
ifs.Read(buffer2, 0, (int)ifile.GetFileLength());
parentEntry.Files.Add(entry);
this.ReadFileSystemData(buffer2, 0, entry, ifs);
}
}
else
{
parentEntry.Files.Add(entry);
}
if (num2 != 0)
{
if ((num2 * 4) > buffer.Length)
{
throw new SystemException("Disaster 3!");
}
this.ReadFileSystemData(buffer, num2 * 4, parentEntry, ifs);
}
}