public int CompareTo(object obj)
{
if (obj is Nintendo3dsCtrFile)
{
Nintendo3dsCtrFile o = (Nintendo3dsCtrFile)obj;
return(this.FileName.CompareTo(o.FileName));
}
throw new ArgumentException("object is not a Nintendo3dsCtrFile");
}
public void InitializeExeFileSystem(FileStream isoStream, long offset, string nextDirectoryName)
{
string fileName;
long fileOffset;
uint fileLength;
byte[] hash;
long hashOffset;
Nintendo3dsCtrFile file;
// parse file entries
for (int i = 0; i < 10; i++)
{
// check if row has data
if (ParseFile.ReadByte(isoStream, offset + (0x10 * i)) != 0)
{
// read VFS items
fileName = ParseFile.ReadAsciiString(isoStream, offset + (0x10 * i));
fileOffset = ParseFile.ReadUintLE(isoStream, offset + (0x10 * i) + 8);
fileOffset += offset + 0x200;
fileLength = ParseFile.ReadUintLE(isoStream, offset + (0x10 * i) + 0xC);
// read SHA256 hash
hashOffset = offset + 0x200 - (0x20 * (i + 1));
hash = ParseFile.ParseSimpleOffset(isoStream, hashOffset, 0x20);
// build file object
file = new Nintendo3dsCtrFile(isoStream, nextDirectoryName, this.SourceFilePath,
fileName, fileOffset, fileLength, this.FileSystem, null);
file.Sha256Hash = hash;
this.FileArray.Add(file);
}
}
}
private void BuildDirectory(FileStream isoStream, long ivfcOffset, long directoryEntryOffset, long directoryBlockOffset,
long fileBlockOffset)
{
RomFsDirEntry dir = new RomFsDirEntry();
RomFsFileEntry file = new RomFsFileEntry();
Nintendo3dsCtrDirectory tempDir;
Nintendo3dsCtrFile tempFile;
byte[] nameBytes;
string nextDirectory;
// load dir
dir.ParentOffset = ParseFile.ReadUintLE(isoStream, ivfcOffset + directoryBlockOffset + directoryEntryOffset);
dir.SiblingOffset = ParseFile.ReadInt32LE(isoStream, ivfcOffset + directoryBlockOffset + directoryEntryOffset + 4);
dir.ChildOffset = ParseFile.ReadInt32LE(isoStream, ivfcOffset + directoryBlockOffset + directoryEntryOffset + 8);
dir.FileOffset = ParseFile.ReadInt32LE(isoStream, ivfcOffset + directoryBlockOffset + directoryEntryOffset + 0xC);
dir.WeirdOffset = ParseFile.ReadInt32LE(isoStream, ivfcOffset + directoryBlockOffset + directoryEntryOffset + 0x10);
dir.NameSize = ParseFile.ReadUintLE(isoStream, ivfcOffset + directoryBlockOffset + directoryEntryOffset + 0x14);
// build directory name
if (dir.NameSize > 0)
{
nameBytes = ParseFile.ParseSimpleOffset(isoStream, ivfcOffset + directoryBlockOffset + directoryEntryOffset + 0x18, (int)dir.NameSize);
dir.Name = ByteConversion.GetUtf16LeText(nameBytes);
}
else // this is root
{
dir.Name = "RomFS"; // @TODO Make this a constant
}
this.DirectoryName = dir.Name;
nextDirectory = this.ParentDirectoryName + Path.DirectorySeparatorChar + this.DirectoryName;
// add files
if (dir.FileOffset != -1)
{
tempFile = new Nintendo3dsCtrFile(isoStream, nextDirectory, isoStream.Name,
null, ivfcOffset, -1, Nintendo3dsCtr.FileSystemType.RomFS, this.IvfcLevels[2],
dir.FileOffset, fileBlockOffset, this.RomFsDataOffset);
this.FileArray.Add(tempFile);
while (tempFile.SiblingOffset != -1)
{
tempFile = new Nintendo3dsCtrFile(isoStream, nextDirectory, isoStream.Name,
null, ivfcOffset, -1, Nintendo3dsCtr.FileSystemType.RomFS, this.IvfcLevels[2],
tempFile.SiblingOffset, fileBlockOffset, this.RomFsDataOffset);
this.FileArray.Add(tempFile);
}
}
// get sibling dir
if (dir.SiblingOffset != -1)
{
tempDir = new Nintendo3dsCtrDirectory(isoStream, isoStream.Name, this.ParentDirectoryName,
ivfcOffset, Nintendo3dsCtr.FileSystemType.RomFS, this.IvfcLevels, dir.SiblingOffset, directoryBlockOffset,
fileBlockOffset, this.RomFsDataOffset);
this.SiblingDirectory = tempDir;
}
// add subdirs
if (dir.ChildOffset != -1)
{
tempDir = new Nintendo3dsCtrDirectory(isoStream, isoStream.Name, nextDirectory,
ivfcOffset, Nintendo3dsCtr.FileSystemType.RomFS, this.IvfcLevels, dir.ChildOffset, directoryBlockOffset,
fileBlockOffset, this.RomFsDataOffset);
this.SubDirectoryArray.Add(tempDir);
while (tempDir.SiblingDirectory != null)
{
this.SubDirectoryArray.Add(tempDir.SiblingDirectory);
tempDir = tempDir.SiblingDirectory;
}
}
}
