uint GetNextBlock(uint xBlock)
{
if (PartitionType == FATXType.None)
{
return(Constants.FATX32End);
}
xAllocTable.Position = (xBlock * (byte)PartitionType);
List <byte> xList = xAllocTable.ReadBytes((byte)PartitionType).ToList();
for (int i = (int)PartitionType; i < 4; i++)
{
xList.Insert(0, 0);
}
return(BitConv.ToUInt32(xList.ToArray(), true));
}
/// <summary>
/// Grabs the STFS name of the package
/// </summary>
/// <returns></returns>
public string GetSTFSName()
{
if (xDrive.ActiveCheck())
{
return(null);
}
string xReturn = null;
try
{
if (xSize < 0x500)
{
throw new Exception();
}
xDrive.GetIO();
uint[] blocks = Partition.xTable.GetBlocks(xStartBlock);
if (blocks.Length == 0)
{
throw new Exception();
}
xDrive.xActive = false;
FATXStreamIO io = new FATXStreamIO(this, ref blocks, true);
uint xBuff = io.ReadUInt32();
if (xBuff != (uint)STFS.PackageMagic.CON &&
xBuff != (uint)STFS.PackageMagic.LIVE &&
xBuff != (uint)STFS.PackageMagic.PIRS)
{
throw new Exception();
}
io.Position = 0x411;
xReturn = io.ReadString(StringForm.Unicode, 0x80);
io.Position = 0x340;
byte xbase = (byte)(((io.ReadUInt32() + 0xFFF) & 0xF000) >> 0xC);
if (io.ReadUInt32() != (uint)STFS.PackageType.Profile)
{
throw new Exception();
}
io.Position = 0x379;
if (io.ReadByte() != 0x24 || io.ReadByte() != 0)
{
throw new Exception();
}
byte idx = (byte)(io.ReadByte() & 3);
byte[] Desc = io.ReadBytes(5);
if (idx == 0 || idx == 2)
{
if (xbase != 0xA)
{
throw new Exception();
}
}
else if (idx == 1)
{
if (xbase != 0xB)
{
throw new Exception();
}
}
else
{
throw new Exception();
}
io.Position = 0x395;
STFS.STFSDescriptor xDesc = new X360.STFS.STFSDescriptor(Desc, io.ReadUInt32(), io.ReadUInt32(), idx);
int pos = (int)xDesc.GenerateDataOffset(xDesc.DirectoryBlock);
uint block = xDesc.DirectoryBlock;
while (pos != -1)
{
for (int i = 0; i < 0x40; i++)
{
if (pos == -1)
{
break;
}
io.Position = pos + 0x28 + (0x40 * i);
byte nlen = (byte)(io.ReadByte() & 0x3F);
if (nlen > 0x28)
{
nlen = 0x28;
}
io.Position = pos + (0x40 * i);
if (io.ReadString(StringForm.ASCII, nlen) == "Account")
{
io.Position = pos + (0x40 * i) + 0x2F;
List <byte> buff = new List <byte>(io.ReadBytes(3));
buff.Add(0);
block = BitConv.ToUInt32(buff.ToArray(), false);
pos = -1;
}
}
if (pos != -1)
{
byte shift = xDesc.TopRecord.Index;
if (xDesc.BlockCount >= Constants.BlockLevel[1])
{
io.Position = (int)xDesc.GenerateHashOffset(block, X360.STFS.TreeLevel.L2) + 0x14 +
(shift << 0xC);
shift = (byte)((io.ReadByte() >> 6) & 1);
}
if (xDesc.BlockCount >= Constants.BlockLevel[0])
{
io.Position = (int)xDesc.GenerateHashOffset(block, X360.STFS.TreeLevel.L1) + 0x14 +
(xDesc.ThisType == STFS.STFSType.Type0 ? 0 : (shift << 0xC));
shift = (byte)((io.ReadByte() >> 6) & 1);
}
io.Position = (int)xDesc.GenerateHashOffset(block, X360.STFS.TreeLevel.L0) + 0x15 +
(xDesc.ThisType == STFS.STFSType.Type0 ? 0 : (shift << 0xC));
List <byte> xbuff = new List <byte>(io.ReadBytes(3));
xbuff.Reverse();
xbuff.Insert(0, 3);
block = BitConv.ToUInt32(xbuff.ToArray(), true);
if (block == Constants.STFSEnd)
{
pos = -1;
}
}
}
if (block == 0xFFFFFF)
{
throw new Exception();
}
io.Position = (int)xDesc.GenerateDataOffset(block);
byte[] databuff = io.ReadBytes(404);
Profile.UserAccount ua = new X360.Profile.UserAccount(new DJsIO(databuff, true), X360.Profile.AccountType.Stock, false);
if (!ua.Success)
{
ua = new X360.Profile.UserAccount(new DJsIO(databuff, true), X360.Profile.AccountType.Kits, false);
if (!ua.Success)
{
throw new Exception();
}
}
xReturn = ua.GetGamertag();
io.Close();
xDrive.xActive = false;
return(xReturn);
}
catch { xDrive.xActive = false; return(xReturn); }
}