private void BuildRomFsFile(FileStream isoStream, long ivfcOffset, long fileEntryOffset, long fileBlockOffset, long romFsDataOffset)
{
RomFsFileEntry file = new RomFsFileEntry();
// Nintendo3dsCtrFile tempFile;
byte[] nameBytes;
// load dir
file.ParentDirOffset = ParseFile.ReadUintLE(isoStream, ivfcOffset + fileBlockOffset + fileEntryOffset);
file.SiblingOffset = ParseFile.ReadInt32LE(isoStream, ivfcOffset + fileBlockOffset + fileEntryOffset + 4);
file.DataOffset = ParseFile.ReadUlongLE(isoStream, ivfcOffset + fileBlockOffset + fileEntryOffset + 8);
file.DataSize = ParseFile.ReadUlongLE(isoStream, ivfcOffset + fileBlockOffset + fileEntryOffset + 0x10);
file.WeirdOffset = ParseFile.ReadUintLE(isoStream, ivfcOffset + fileBlockOffset + fileEntryOffset + 0x18);
file.NameSize = ParseFile.ReadUintLE(isoStream, ivfcOffset + fileBlockOffset + fileEntryOffset + 0x1C);
// build directory name
if (file.NameSize > 0)
{
nameBytes = ParseFile.ParseSimpleOffset(isoStream, ivfcOffset + fileBlockOffset + fileEntryOffset + 0x20, (int)file.NameSize);
file.Name = ByteConversion.GetUtf16LeText(nameBytes);
}
else // this is root
{
file.Name = "NO_NAME_FOUND"; // @TODO Make this a constant
}
this.FileName = file.Name;
this.Offset = ivfcOffset + romFsDataOffset + (long)file.DataOffset;
this.Size = (long)file.DataSize;
// get sibling
this.SiblingOffset = file.SiblingOffset;
}
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;
}
}
}
