public NDSFile(string filepath) : base()
{
using (FileStream fs = new FileStream(filepath, FileMode.Open)) {
using (mReader = new BinaryReader(fs)) {
mReader.BaseStream.Seek(64, SeekOrigin.Begin);
mHeadOffset = mReader.ReadUInt32();
mHeadSize = mReader.ReadUInt32();
mDataOffset = mReader.ReadUInt32();
mDataSize = mReader.ReadUInt32();
NDSFileEntry root = LoadDir("Root", /*0xf000*/ 61440, 0);
}
}
}
private NDSFileEntry LoadDir(string DirName, ushort DirID, ushort Parent)
{
long position = mReader.BaseStream.Position;
NDSFileEntry root = new NDSFileEntry();
mReader.BaseStream.Seek(mHeadOffset + (8 * (DirID & /*0xfff*/ 4095)), SeekOrigin.Begin);
uint num2 = mReader.ReadUInt32();
ushort num3 = mReader.ReadUInt16();
mReader.ReadUInt16();
root.ID = DirID;
root.Name = DirName;
root.Offset = num2;
root.Size = 0;
mReader.BaseStream.Seek((long)(mHeadOffset + num2), SeekOrigin.Begin);
ushort fileID = num3;
while (true)
{
byte num5 = (byte)mReader.ReadByte();
byte stringLength = (byte)(num5 & 127);
if (stringLength == 0)
{
break;
}
string dirName = new String(mReader.ReadChars(stringLength));
if (num5 > 127)
{
ushort dirID = mReader.ReadUInt16();
root.Files.Add(dirID, LoadDir(dirName, dirID, DirID));
}
else
{
root.Files.Add(LoadFile(dirName, fileID, DirID));
}
fileID++;
}
mReader.BaseStream.Seek(position, SeekOrigin.Begin);
return(root);
}
private NDSFileEntry LoadFile(string FileName, ushort FileID, ushort Parent) {
long position = mReader.BaseStream.Position;
mReader.BaseStream.Seek(mHeadOffset + (FileID * 8), SeekOrigin.Begin);
uint num2 = mReader.ReadUInt32();
uint num3 = mReader.ReadUInt32();
var file = new NDSFileEntry {
ID = FileID,
Name = FileName,
Offset = num2,
Size = (num3 - num2),
};
if (num3 > mHighestOffset) {
mHighestOffset = num3;
}
mReader.BaseStream.Seek(position, SeekOrigin.Begin);
return file;
}
private NDSFileEntry LoadFile(string FileName, ushort FileID, ushort Parent)
{
long position = mReader.BaseStream.Position;
mReader.BaseStream.Seek(mHeadOffset + (FileID * 8), SeekOrigin.Begin);
uint num2 = mReader.ReadUInt32();
uint num3 = mReader.ReadUInt32();
var file = new NDSFileEntry {
ID = FileID,
Name = FileName,
Offset = num2,
Size = (num3 - num2),
};
if (num3 > mHighestOffset)
{
mHighestOffset = num3;
}
mReader.BaseStream.Seek(position, SeekOrigin.Begin);
return(file);
}
private NDSFileEntry LoadDir(string DirName, ushort DirID, ushort Parent) {
long position = mReader.BaseStream.Position;
NDSFileEntry root = new NDSFileEntry();
mReader.BaseStream.Seek(mHeadOffset + (8 * (DirID & /*0xfff*/4095)), SeekOrigin.Begin);
uint num2 = mReader.ReadUInt32();
ushort num3 = mReader.ReadUInt16();
mReader.ReadUInt16();
root.ID = DirID;
root.Name = DirName;
root.Offset = num2;
root.Size = 0;
mReader.BaseStream.Seek((long)(mHeadOffset + num2), SeekOrigin.Begin);
ushort fileID = num3;
while (true) {
byte num5 = (byte)mReader.ReadByte();
byte stringLength = (byte)(num5 & 127);
if (stringLength == 0) {
break;
}
string dirName = new String(mReader.ReadChars(stringLength));
if (num5 > 127) {
ushort dirID = mReader.ReadUInt16();
root.Files.Add(dirID, LoadDir(dirName, dirID, DirID));
} else {
root.Files.Add(LoadFile(dirName, fileID, DirID));
}
fileID++;
}
mReader.BaseStream.Seek(position, SeekOrigin.Begin);
return root;
}