private void readVolume()
{
this.volDesc = new GDFVolumeDescriptor();
this.volDesc.SectorSize = 0x800;
this.fr.Seek((long)(0x20 * this.volDesc.SectorSize), SeekOrigin.Begin);
if (Encoding.ASCII.GetString(this.fr.ReadBytes(20)) == "MICROSOFT*XBOX*MEDIA")
{
this.type = IsoType.Xsf;
this.volDesc.RootOffset = (uint)this.type;
}
else
{
this.file.Seek((long)((0x20 * this.volDesc.SectorSize) + 0xfd90000), SeekOrigin.Begin);
if (Encoding.ASCII.GetString(this.fr.ReadBytes(20)) == "MICROSOFT*XBOX*MEDIA")
{
this.type = IsoType.Gdf;
this.volDesc.RootOffset = (uint)this.type;
}
else
{
this.type = IsoType.XGD3;
this.volDesc.RootOffset = (uint)this.type;
}
}
this.file.Seek((long)((0x20 * this.volDesc.SectorSize) + this.volDesc.RootOffset), SeekOrigin.Begin);
this.volDesc.Identifier = this.fr.ReadBytes(20);
this.volDesc.RootDirSector = this.fr.ReadUInt32();
this.volDesc.RootDirSize = this.fr.ReadUInt32();
this.volDesc.ImageCreationTime = this.fr.ReadBytes(8);
this.volDesc.VolumeSize = (ulong)(this.fr.BaseStream.Length - this.volDesc.RootOffset);
this.volDesc.VolumeSectors = (uint)(this.volDesc.VolumeSize / ((ulong)this.volDesc.SectorSize));
}
private void readVolume()
{
volDesc = new GDFVolumeDescriptor();
volDesc.SectorSize = 0x800;
fr.Seek(0x20 * volDesc.SectorSize, SeekOrigin.Begin);
if (Encoding.ASCII.GetString(fr.ReadBytes(20)) == "MICROSOFT*XBOX*MEDIA")
{
type = IsoType.Xsf;
volDesc.RootOffset = (uint)type;
}
else
{
file.Seek((0x20 * volDesc.SectorSize) + 0xfd90000, SeekOrigin.Begin);
if (Encoding.ASCII.GetString(fr.ReadBytes(20)) == "MICROSOFT*XBOX*MEDIA")
{
type = IsoType.Gdf;
volDesc.RootOffset = (uint)type;
}
else
{
type = IsoType.XGD3;
volDesc.RootOffset = (uint)type;
}
}
file.Seek((0x20 * volDesc.SectorSize) + volDesc.RootOffset, SeekOrigin.Begin);
volDesc.Identifier = fr.ReadBytes(20);
volDesc.RootDirSector = fr.ReadUInt32();
volDesc.RootDirSize = fr.ReadUInt32();
volDesc.ImageCreationTime = fr.ReadBytes(8);
volDesc.VolumeSize = (ulong)(fr.BaseStream.Length - volDesc.RootOffset);
volDesc.VolumeSectors = (uint)(volDesc.VolumeSize / volDesc.SectorSize);
}
public void Close()
{
this.volDesc = new GDFVolumeDescriptor();
this.Exceptions.Clear();
this.type = IsoType.Gdf;
this.rootDir.Clear();
this.fr.Close();
this.file.Close();
}
public void Close()
{
volDesc = new GDFVolumeDescriptor();
Exceptions.Clear();
type = IsoType.Gdf;
rootDir.Clear();
fr.Close();
file.Close();
}
public GDFStats(GDFVolumeDescriptor volDesc)
{
this.SectorSize = volDesc.SectorSize;
this.MaxSectors = volDesc.VolumeSectors;
this.MaxBytes = volDesc.VolumeSize;
this.Bmp = new Bitmap((int)(this.MaxSectors / 0x800), 0x800);
for (int i = 0; i < this.Bmp.Width; i++)
{
for (int j = 0; j < this.Bmp.Height; j++)
{
this.Bmp.SetPixel(i, j, Color.Black);
}
}
}
public GDFDirTable(CBinaryReader File, GDFVolumeDescriptor Vol, uint Sector, uint Size)
{
this.Sector = Sector;
this.Size = Size;
File.Seek((long)((Sector * Vol.SectorSize) + Vol.RootOffset), SeekOrigin.Begin);
byte[] buffer = File.ReadBytes((int)Size);
MemoryStream s = new MemoryStream(buffer);
CBinaryReader reader = new CBinaryReader(EndianType.LittleEndian, s);
try
{
while (s.Position < Size)
{
GDFDirEntry item = new GDFDirEntry {
SubTreeL = reader.ReadUInt16(),
SubTreeR = reader.ReadUInt16()
};
if ((item.SubTreeL != 0xffff) && (item.SubTreeR != 0xffff))
{
item.Sector = reader.ReadUInt32();
item.Size = reader.ReadUInt32();
item.Attributes = (GDFDirEntryAttrib)reader.ReadByte();
item.NameLength = reader.ReadByte();
item.Name = Encoding.ASCII.GetString(buffer, (int)s.Position, item.NameLength);
s.Seek((long)item.NameLength, SeekOrigin.Current);
long num1 = s.Position % 4L;
if ((s.Position % 4L) != 0L)
{
s.Seek(4L - (s.Position % 4L), SeekOrigin.Current);
}
base.Add(item);
}
}
}
catch (EndOfStreamException)
{
Console.WriteLine("EndOfStreamException while trying to read directory at sector {0} ({1} bytes)", Sector.ToString(), Size.ToString());
}
catch (Exception exception)
{
Console.WriteLine("Unhandled Exception {0} for directory at sector {1} -> {2}", exception.InnerException, Sector.ToString(), exception.Message);
}
}
