public void FromFileSystem(SFSDirectory Root)
{
int did = 0;
int fid = MainOvt.Length + SubOvt.Length;
Root.UpdateIDs(ref did, ref fid);
//FATB.numFiles = (ushort)Root.TotalNrSubFiles;
//List<byte> Data = new List<byte>();
uint nrfiles = Root.TotalNrSubFiles;
FileAllocationEntry[] overlays = new FileAllocationEntry[MainOvt.Length + SubOvt.Length];
Array.Copy(Fat, overlays, MainOvt.Length + SubOvt.Length);
Fat = new FileAllocationEntry[(MainOvt.Length + SubOvt.Length) + nrfiles];
Array.Copy(overlays, Fat, MainOvt.Length + SubOvt.Length);
byte[][] overlaydata = new byte[MainOvt.Length + SubOvt.Length][];
Array.Copy(FileData, overlaydata, MainOvt.Length + SubOvt.Length);
FileData = new byte[(MainOvt.Length + SubOvt.Length) + nrfiles][];
Array.Copy(overlaydata, FileData, MainOvt.Length + SubOvt.Length);
//FATB.allocationTable.Clear();
for (ushort i = (ushort)(MainOvt.Length + SubOvt.Length); i < nrfiles + MainOvt.Length + SubOvt.Length; i++)
{
var f = Root.GetFileByID(i);
Fat[i] = new FileAllocationEntry(0, 0);
FileData[i] = f.Data;
}
Fnt.DirectoryTable.Clear();
NitroFSUtil.GenerateDirectoryTable(Fnt.DirectoryTable, Root);
uint offset2 = Fnt.DirectoryTable[0].dirEntryStart;
ushort fileId = (ushort)(MainOvt.Length + SubOvt.Length); //0;
Fnt.EntryNameTable.Clear();
NitroFSUtil.GenerateEntryNameTable(Fnt.DirectoryTable, Fnt.EntryNameTable, Root, ref offset2, ref fileId);
}
public NDS(byte[] data)
{
EndianBinaryReader er = new EndianBinaryReader(new MemoryStream(data), Endianness.LittleEndian);
Header = new RomHeader(er);
er.BaseStream.Position = Header.MainRomOffset;
MainRom = er.ReadBytes((int)Header.MainSize);
if (er.ReadUInt32() == 0xDEC00621) //Nitro Footer!
{
er.BaseStream.Position -= 4;
StaticFooter = new NitroFooter(er);
}
er.BaseStream.Position = Header.SubRomOffset;
SubRom = er.ReadBytes((int)Header.SubSize);
er.BaseStream.Position = Header.FntOffset;
Fnt = new RomFNT(er);
er.BaseStream.Position = Header.MainOvtOffset;
MainOvt = new RomOVT[Header.MainOvtSize / 32];
for (int i = 0; i < Header.MainOvtSize / 32; i++)
{
MainOvt[i] = new RomOVT(er);
}
er.BaseStream.Position = Header.SubOvtOffset;
SubOvt = new RomOVT[Header.SubOvtSize / 32];
for (int i = 0; i < Header.SubOvtSize / 32; i++)
{
SubOvt[i] = new RomOVT(er);
}
er.BaseStream.Position = Header.FatOffset;
Fat = new FileAllocationEntry[Header.FatSize / 8];
for (int i = 0; i < Header.FatSize / 8; i++)
{
Fat[i] = new FileAllocationEntry(er);
}
if (Header.BannerOffset != 0)
{
er.BaseStream.Position = Header.BannerOffset;
Banner = new RomBanner(er);
}
FileData = new byte[Header.FatSize / 8][];
for (int i = 0; i < Header.FatSize / 8; i++)
{
er.BaseStream.Position = Fat[i].fileTop;
FileData[i] = er.ReadBytes((int)Fat[i].fileSize);
}
//RSA Signature
if (Header.RomSize + 0x88 <= er.BaseStream.Length)
{
er.BaseStream.Position = Header.RomSize;
byte[] RSASig = er.ReadBytes(0x88);
for (int i = 0; i < RSASig.Length; i++)
{
//It could be padding, so check if there is something other than 0xFF or 0x00
if (RSASig[i] != 0xFF || RSASig[i] != 0x00)
{
RSASignature = RSASig;
break;
}
}
}
er.Close();
}
