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 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);
}
