public static sFolder MakeFolderStructure(List <MainFNT> tables, int idFolder, string nameFolder)
{
sFolder currFolder = new sFolder();
currFolder.name = nameFolder;
currFolder.id = (ushort)idFolder;
currFolder.files = tables[idFolder & 0xFFF].subTable.files;
if (tables[idFolder & 0xFFF].subTable.folders is List <sFolder> )
{
currFolder.folders = new List <sFolder>();
foreach (sFolder subFolder in tables[idFolder & 0xFFF].subTable.folders)
{
currFolder.folders.Add(MakeFolderStructure(tables, subFolder.id, subFolder.name));
}
}
return(currFolder);
}
public void FetchFiles(Stream input, sFolder fnt, string path="")
{
if (fnt.files is List<sFile>)
{
for (int i=0;i< fnt.files.Count;i++)
{
Files.Add(new NDSFileInfo
{
State = ArchiveFileState.Archived,
FileName = path + fnt.files[i].name,
FileData = new SubStream(input, fnt.files[i].offset, fnt.files[i].size),
entry = fnt.files[i]
});
}
}
if (fnt.folders is List<sFolder>)
{
for (int i=0;i< fnt.folders.Count;i++)
{
FetchFiles(input, fnt.folders[i], path + "/" + fnt.folders[i].name);
}
}
}
public NDS(Stream input)
{
_stream = input;
using (BinaryReaderX br = new BinaryReaderX(input, true))
{
//Header
header = new RomHeader(br.BaseStream);
//Banner
banner = new Banner(br.BaseStream, header.bannerOffset);
//FAT
fat = NDSSupport.ReadFAT(br.BaseStream, header.FAToffset, header.FATsize);
//FNT
fnt = NDSSupport.ReadFNT(br.BaseStream, header.fileNameTableOffset, header.fileNameTableSize, fat);
//System files
fnt.folders.Add(NDSSupport.AddSystemFiles(br.BaseStream, fat, fat.Length, fnt.id + 0xF000, header));
//FileData
FetchFiles(br.BaseStream, fnt);
}
}
public static sFolder ReadFNT(Stream input, uint fntOffset, uint fntSize, sFAT[] fat)
{
using (var br = new BinaryReaderX(input, true))
{
sFolder root = new sFolder();
root.files = new List <sFile>();
List <MainFNT> mains = new List <MainFNT>();
br.BaseStream.Position = fntOffset;
br.BaseStream.Position += 6;
ushort number_directories = br.ReadUInt16(); // Get the total number of directories (mainTables)
br.BaseStream.Position = fntOffset;
for (int i = 0; i < number_directories; i++)
{
MainFNT main = new MainFNT();
main.offset = br.ReadUInt32();
main.idFirstFile = br.ReadUInt16();
main.idParentFolder = br.ReadUInt16();
if (i != 0)
{
if (br.BaseStream.Position > fntOffset + mains[0].offset)
{ // Error, in some cases the number of directories is wrong
number_directories--; // Found in FF Four Heroes of Light, Tetris Party deluxe
i--;
continue;
}
}
long currOffset = br.BaseStream.Position;
br.BaseStream.Position = fntOffset + main.offset;
// SubTable
byte id = br.ReadByte();
ushort idFile = main.idFirstFile;
while (id != 0x0) // identifies subTable end
{
if (id < 0x80) // File
{
sFile currFile = new sFile();
if (!(main.subTable.files is List <sFile>))
{
main.subTable.files = new List <sFile>();
}
int lengthName = id;
currFile.name = new String(Encoding.GetEncoding("SJIS").GetChars(br.ReadBytes(lengthName)));
currFile.id = idFile; idFile++;
// FAT part
currFile.offset = fat[currFile.id].offset;
currFile.size = fat[currFile.id].size;
// Add to root
root.files.Add(currFile);
main.subTable.files.Add(currFile);
}
if (id > 0x80) //Directory
{
sFolder currFolder = new sFolder();
if (!(main.subTable.folders is List <sFolder>))
{
main.subTable.folders = new List <sFolder>();
}
int lengthName = id - 0x80;
currFolder.name = new String(Encoding.GetEncoding("SJIS").GetChars(br.ReadBytes(lengthName))) + "/";
currFolder.id = br.ReadUInt16();
main.subTable.folders.Add(currFolder);
}
id = br.ReadByte();
}
mains.Add(main);
br.BaseStream.Position = currOffset;
}
root = MakeFolderStructure(mains, 0, "root");
root.id = number_directories;
return(root);
}
}
public static sFolder AddSystemFiles(Stream input, sFAT[] fatTable, int lastFileID, int lastFolderID, RomHeader header)
{
sFolder system = new sFolder();
system.name = "fw_sys/";
system.id = (ushort)lastFolderID;
lastFolderID++;
system.files = new List <sFile>();
system.files.AddRange(ReadBasicOverlays(input, header.ARM9overlayOffset, header.ARM9overlaySize, true, fatTable));
system.files.AddRange(ReadBasicOverlays(input, header.ARM7overlayOffset, header.ARM7overlaySize, false, fatTable));
sFile fnt = new sFile();
fnt.name = "fileNameTable.bin";
fnt.offset = header.fileNameTableOffset;
fnt.size = header.fileNameTableSize;
fnt.id = (ushort)lastFolderID;
lastFolderID++;
system.files.Add(fnt);
sFile fat = new sFile();
fat.name = "fileAccessTable.bin";
fat.offset = header.FAToffset;
fat.size = header.FATsize;
fat.id = (ushort)lastFolderID;
lastFolderID++;
system.files.Add(fat);
sFile banner = new sFile();
banner.name = "banner.bin";
banner.offset = header.bannerOffset;
banner.size = 0x840;
banner.id = (ushort)lastFolderID;
lastFolderID++;
system.files.Add(banner);
sFile arm9 = new sFile();
arm9.name = "arm9.bin";
arm9.offset = header.ARM9romOffset;
arm9.size = header.ARM9size;
arm9.id = (ushort)lastFolderID;
lastFolderID++;
system.files.Add(arm9);
sFile arm7 = new sFile();
arm7.name = "arm7.bin";
arm7.offset = header.ARM7romOffset;
arm7.size = header.ARM7size;
arm7.id = (ushort)lastFolderID;
lastFolderID++;
system.files.Add(arm7);
if (header.ARM9overlaySize != 0)
{
sFile y9 = new sFile();
y9.name = "y9.bin";
y9.offset = header.ARM9overlayOffset;
y9.size = header.ARM9overlaySize;
y9.id = (ushort)lastFolderID;
lastFolderID++;
system.files.Add(y9);
}
if (header.ARM7overlaySize != 0)
{
sFile y7 = new sFile();
y7.name = "y7.bin";
y7.offset = header.ARM7overlayOffset;
y7.size = header.ARM7overlaySize;
y7.id = (ushort)lastFolderID;
lastFolderID++;
system.files.Add(y7);
}
return(system);
}