public IList <IArchiveFileInfo> Load(Stream input)
{
using var br = new BinaryReaderX(input, true);
// Determine byte order
br.BaseStream.Position = 4;
br.ByteOrder = br.ReadType <ByteOrder>();
// Read header
br.BaseStream.Position = 0;
var header = br.ReadType <NarcHeader>();
// Read file entries
var fatHeader = br.ReadType <NarcFatHeader>();
var entries = br.ReadMultiple <FatEntry>(fatHeader.fileCount);
// Read FNT
var fntOffset = (int)br.BaseStream.Position;
var fntHeader = br.ReadType <NarcFntHeader>();
var gmifOffset = fntOffset + fntHeader.chunkSize;
_hasNames = br.ReadInt32() >= 8;
if (_hasNames)
{
return(NdsSupport.ReadFnt(br, fntOffset + 8, gmifOffset + 8, entries).ToList());
}
return(entries.Select((x, i) => NdsSupport.CreateAfi(br.BaseStream, x.offset + gmifOffset + 8, x.Length, $"{i:00000000}.bin", i)).ToArray());
}
public void Save(Stream output, IList <IArchiveFileInfo> files)
{
using var bw = new BinaryWriterX(output);
// Calculate offsets
var fatOffset = NarcHeaderSize;
var fntOffset = fatOffset + FatHeaderSize + files.Count * FatEntrySize;
// Write FNT
int fntSize;
if (!_hasNames)
{
output.Position = fntOffset + 8;
bw.Write(4);
bw.Write(0x10000);
fntSize = 0x10;
}
else
{
NdsSupport.WriteFnt(bw, fntOffset + 8, files);
fntSize = (int)(bw.BaseStream.Position - fntOffset);
}
output.Position = fntOffset;
bw.WriteType(new NarcFntHeader
{
chunkSize = fntSize
});
// Write GMIF
var fatEntries = new List <FatEntry>();
var gmifOffset = fntOffset + fntSize;
output.Position = gmifOffset + 8;
foreach (var file in files.Cast <FileIdArchiveFileInfo>().OrderBy(x => x.FileId))
{
var filePosition = output.Position;
var writtenSize = file.SaveFileData(output);
fatEntries.Add(new FatEntry
{
offset = (int)filePosition - gmifOffset - 8,
endOffset = (int)(filePosition - gmifOffset - 8 + writtenSize)
});
}
output.Position = gmifOffset;
bw.WriteString("GMIF", Encoding.ASCII, false, false);
bw.Write((int)(output.Length - gmifOffset));
// Write FAT
output.Position = fatOffset;
bw.WriteType(new NarcFatHeader
{
chunkSize = FatHeaderSize + files.Count * FatEntrySize,
fileCount = (short)files.Count
});
bw.WriteMultiple(fatEntries);
// Write header
output.Position = 0;
bw.WriteType(new NarcHeader
{
fileSize = (int)output.Length
});
}
public IList <IArchiveFileInfo> Load(Stream input)
{
var result = new List <IArchiveFileInfo>();
using var br = new BinaryReaderX(input, true);
// Read unit code
input.Position = 0x12;
var unitCode = br.ReadType <UnitCode>();
// Read header
input.Position = 0;
if (unitCode == UnitCode.NDS)
{
_ndsHeader = br.ReadType <NDSHeader>();
}
else
{
_dsiHeader = br.ReadType <DSiHeader>();
}
// Read ARM9
var arm9Offset = _ndsHeader?.arm9Offset ?? _dsiHeader.arm9Offset;
var arm9Size = _ndsHeader?.arm9Size ?? _dsiHeader.arm9Size;
result.Add(NdsSupport.CreateAfi(input, arm9Offset, arm9Size, "sys/arm9.bin"));
// Read ARM9 Footer
input.Position = arm9Offset + arm9Size;
var nitroCode = br.ReadUInt32();
if (nitroCode == 0xDEC00621)
{
input.Position -= 4;
_arm9Footer = br.ReadType <Arm9Footer>();
}
// Read ARM9 Overlays
var arm9OvlOffset = _ndsHeader?.arm9OverlayOffset ?? _dsiHeader.arm9OverlayOffset;
var arm9OvlSize = _ndsHeader?.arm9OverlaySize ?? _dsiHeader.arm9OverlaySize;
var arm9OvlEntryCount = arm9OvlSize / OverlayEntrySize;
input.Position = arm9OvlOffset;
IList <OverlayEntry> arm9OverlayEntries = Array.Empty <OverlayEntry>();
if (arm9OvlOffset != 0)
{
arm9OverlayEntries = br.ReadMultiple <OverlayEntry>(arm9OvlEntryCount);
}
// Read ARM7
var arm7Offset = _ndsHeader?.arm7Offset ?? _dsiHeader.arm7Offset;
var arm7Size = _ndsHeader?.arm7Size ?? _dsiHeader.arm7Size;
result.Add(NdsSupport.CreateAfi(input, arm7Offset, arm7Size, "sys/arm7.bin"));
// Read ARM7 Overlays
var arm7OvlOffset = _ndsHeader?.arm7OverlayOffset ?? _dsiHeader.arm7OverlayOffset;
var arm7OvlSize = _ndsHeader?.arm7OverlaySize ?? _dsiHeader.arm7OverlaySize;
var arm7OvlEntryCount = arm7OvlSize / OverlayEntrySize;
input.Position = arm7OvlOffset;
IList <OverlayEntry> arm7OverlayEntries = Array.Empty <OverlayEntry>();
if (arm7OvlOffset != 0)
{
arm7OverlayEntries = br.ReadMultiple <OverlayEntry>(arm7OvlEntryCount);
}
// Read FAT
var fatOffset = _ndsHeader?.fatOffset ?? _dsiHeader.fatOffset;
var fatSize = _ndsHeader?.fatSize ?? _dsiHeader.fatSize;
var fatCount = fatSize / FatEntrySize;
input.Position = fatOffset;
var fileEntries = br.ReadMultiple <FatEntry>(fatCount);
// Read FNT
var fntOffset = _ndsHeader?.fntOffset ?? _dsiHeader.fntOffset;
foreach (var file in NdsSupport.ReadFnt(br, fntOffset, 0, fileEntries))
{
result.Add(file);
}
// Add banner
var iconOffset = _ndsHeader?.iconOffset ?? _dsiHeader.iconOffset;
var iconAfi = ReadIcon(br, iconOffset);
if (iconAfi != null)
{
result.Add(iconAfi);
}
// Add overlay files
foreach (var file in arm9OverlayEntries)
{
result.Add(NdsSupport.CreateAfi(input, fileEntries[file.fileId].offset, fileEntries[file.fileId].Length, Path.Combine("sys", "ovl", $"overlay9_{file.id:000}"), file));
}
foreach (var file in arm7OverlayEntries)
{
result.Add(NdsSupport.CreateAfi(input, fileEntries[file.fileId].offset, fileEntries[file.fileId].Length, Path.Combine("sys", "ovl", $"overlay7_{file.id:000}"), file));
}
return(result);
}
public void Save(Stream output, IList <IArchiveFileInfo> files)
{
var arm9File = (ArchiveFileInfo)files.First(x => x.FilePath.ToRelative() == Path.Combine("sys", "arm9.bin"));
var arm7File = (ArchiveFileInfo)files.First(x => x.FilePath.ToRelative() == Path.Combine("sys", "arm7.bin"));
var iconFile = (ArchiveFileInfo)files.FirstOrDefault(x => x.FilePath.ToRelative() == Path.Combine("sys", "banner.bin"));
var arm9Overlays = files.Where(x => x.FilePath.ToRelative().IsInDirectory(Path.Combine("sys", "ovl"), false) &&
x.FilePath.GetName().StartsWith("overlay9"))
.Cast <OverlayArchiveFileInfo>().ToArray();
var arm7Overlays = files.Where(x => x.FilePath.ToRelative().IsInDirectory(Path.Combine("sys", "ovl"), false) &&
x.FilePath.GetName().StartsWith("overlay7"))
.Cast <OverlayArchiveFileInfo>().ToArray();
var arm9OverlayEntries = new List <OverlayEntry>();
var arm7OverlayEntries = new List <OverlayEntry>();
var fatEntries = new List <FatEntry>();
using var bw = new BinaryWriterX(output, true);
// Write ARM9
var arm9Offset = output.Position = 0x4000;
var arm9Size = arm9File.SaveFileData(output);
if (_arm9Footer != null)
{
bw.WriteType(_arm9Footer);
}
bw.WriteAlignment(0x200, 0xFF);
// Write ARM9 Overlays
var arm9OverlayOffset = output.Position;
var arm9OverlaySize = arm9Overlays.Length * OverlayEntrySize;
var arm9OverlayPosition = (arm9OverlayOffset + arm9OverlaySize + 0x1FF) & ~0x1FF;
foreach (var arm9Overlay in arm9Overlays.OrderBy(x => x.Entry.id))
{
output.Position = arm9OverlayPosition;
var writtenSize = arm9Overlay.SaveFileData(output);
bw.WriteAlignment(0x200, 0xFF);
arm9Overlay.Entry.fileId = fatEntries.Count;
arm9OverlayEntries.Add(arm9Overlay.Entry);
fatEntries.Add(new FatEntry
{
offset = (int)arm9OverlayPosition,
endOffset = (int)(arm9OverlayPosition + writtenSize)
});
arm9OverlayPosition += (writtenSize + 0x1FF) & ~0x1FF;
}
output.Position = arm9OverlayOffset;
bw.WriteMultiple(arm9OverlayEntries);
bw.WriteAlignment(0x200, 0xFF);
output.Position = arm9OverlayPosition;
// Write ARM7
var arm7Offset = output.Position = arm9OverlayPosition;
var arm7Size = arm7File.SaveFileData(output);
// Write ARM7 Overlays
var arm7OverlayOffset = output.Position = arm7Offset + arm7Size;
var arm7OverlaySize = arm7Overlays.Length * OverlayEntrySize;
var arm7OverlayPosition = (arm7OverlayOffset + arm7OverlaySize + 0x1FF) & ~0x1FF;
foreach (var arm7Overlay in arm7Overlays)
{
output.Position = arm7OverlayPosition;
var writtenSize = arm7Overlay.SaveFileData(output);
bw.WriteAlignment(0x200, 0xFF);
arm7Overlay.Entry.fileId = fatEntries.Count;
arm7OverlayEntries.Add(arm7Overlay.Entry);
fatEntries.Add(new FatEntry
{
offset = (int)arm7OverlayPosition,
endOffset = (int)(arm7OverlayPosition + writtenSize)
});
arm7OverlayPosition += (writtenSize + 0x1FF) & ~0x1FF;
}
output.Position = arm7OverlayOffset;
bw.WriteMultiple(arm7OverlayEntries);
bw.WriteAlignment(0x200, 0xFF);
output.Position = arm7OverlayPosition;
// Write FAT and FNT
var romFiles = files.Where(x => !x.FilePath.ToRelative().IsInDirectory(Path.Combine("sys"), true)).ToArray();
// Write FNT
var fntOffset = arm7OverlayPosition;
NdsSupport.WriteFnt(bw, (int)fntOffset, romFiles, arm9Overlays.Length + arm7Overlays.Length);
var fntSize = bw.BaseStream.Position - fntOffset;
bw.WriteAlignment(0x200, 0xFF);
var fatOffset = bw.BaseStream.Position;
var fatSize = (files.Count - 3) * FatEntrySize; // Not counting arm9.bin, arm7.bin, banner.bin
// Write icon
var iconOffset = (fatOffset + fatSize + 0x1FF) & ~0x1FF;
var iconSize = 0;
if (iconFile != null)
{
output.Position = iconOffset;
iconSize = (int)iconFile.SaveFileData(output);
bw.WriteAlignment(0x200, 0xFF);
}
// Write rom files
var filePosition = (iconOffset + iconSize + 0x1FF) & ~0x1FF;
foreach (var romFile in romFiles.Cast <FileIdArchiveFileInfo>().OrderBy(x => x.FileId))
{
output.Position = filePosition;
var romFileSize = romFile.SaveFileData(output);
fatEntries.Add(new FatEntry
{
offset = (int)filePosition,
endOffset = (int)(filePosition + romFileSize)
});
filePosition += (romFileSize + 0x1FF) & ~0x1FF;
}
// Write FAT
bw.BaseStream.Position = fatOffset;
bw.WriteMultiple(fatEntries);
bw.WriteAlignment(0x200, 0xFF);
// Write header
output.Position = 0;
if (_ndsHeader != null)
{
_ndsHeader.arm9Offset = (int)arm9Offset;
_ndsHeader.arm7Offset = (int)arm7Offset;
_ndsHeader.arm9OverlayOffset = (int)(arm9Overlays.Length > 0 ? arm9OverlayOffset : 0);
_ndsHeader.arm7OverlayOffset = (int)(arm7Overlays.Length > 0 ? arm7OverlayOffset : 0);
_ndsHeader.fntOffset = (int)fntOffset;
_ndsHeader.fatOffset = (int)fatOffset;
_ndsHeader.iconOffset = (int)iconOffset;
_ndsHeader.arm9Size = (int)arm9Size;
_ndsHeader.arm7Size = (int)arm7Size;
_ndsHeader.arm9OverlaySize = (int)(arm9Overlays.Length > 0 ? arm9OverlaySize : 0);
_ndsHeader.arm7OverlaySize = (int)(arm7Overlays.Length > 0 ? arm7OverlaySize : 0);
_ndsHeader.fntSize = (int)fntSize;
_ndsHeader.fatSize = (int)fatSize;
bw.WriteType(_ndsHeader);
}
else
{
_dsiHeader.arm9Offset = (int)arm9Offset;
_dsiHeader.arm7Offset = (int)arm7Offset;
_dsiHeader.arm9OverlayOffset = (int)(arm9Overlays.Length > 0 ? arm9OverlayOffset : 0);
_dsiHeader.arm7OverlayOffset = (int)(arm7Overlays.Length > 0 ? arm7OverlayOffset : 0);
_dsiHeader.fntOffset = (int)fntOffset;
_dsiHeader.fatOffset = (int)fatOffset;
_dsiHeader.iconOffset = (int)iconOffset;
_dsiHeader.arm9Size = (int)arm9Size;
_dsiHeader.arm7Size = (int)arm7Size;
_dsiHeader.arm9OverlaySize = (int)(arm9Overlays.Length > 0 ? arm9OverlaySize : 0);
_dsiHeader.arm7OverlaySize = (int)(arm7Overlays.Length > 0 ? arm7OverlaySize : 0);
_dsiHeader.fntSize = (int)fntSize;
_dsiHeader.fatSize = (int)fatSize;
_dsiHeader.extendedEntries.iconSize = iconSize;
bw.WriteType(_dsiHeader);
}
}