public IList <ImageInfo> Load(Stream input, G1tPlatform platform)
{
_platform = platform;
using var br = new BinaryReaderX(input);
// Set endianess
var magic = br.ReadString(4);
br.ByteOrder = magic == "GT1G" ? ByteOrder.LittleEndian : ByteOrder.BigEndian;
// Read header
input.Position = 0;
_header = br.ReadType <G1tHeader>();
// Read unknown region
_unkRegion = br.ReadMultiple <int>(_header.texCount);
// Read offsets
input.Position = _header.dataOffset;
var offsets = br.ReadMultiple <int>(_header.texCount);
// Read images
var result = new List <ImageInfo>();
foreach (var offset in offsets)
{
// Read entry
input.Position = _header.dataOffset + offset;
var entry = br.ReadType <G1tEntry>();
// Read image data
var dataSize = entry.Width * entry.Height * G1tSupport.GetBitDepth(entry.format, platform) / 8;
var imageData = br.ReadBytes(dataSize);
// Read mips
var mips = new List <byte[]>();
for (var i = 1; i < entry.MipCount; i++)
{
dataSize = (entry.Width >> i) * (entry.Height >> i) * G1tSupport.GetBitDepth(entry.format, platform) / 8;
mips.Add(br.ReadBytes(dataSize));
}
// Create image info
var imageInfo = new G1tImageInfo(imageData, entry.format, new Size(entry.Width, entry.Height), entry)
{
MipMapData = mips
};
imageInfo.RemapPixels.With(context => G1tSupport.GetSwizzle(context, entry.format, platform));
imageInfo.PadSize.ToPowerOfTwo();
result.Add(imageInfo);
}
return(result);
}
public async Task Load(IFileSystem fileSystem, UPath filePath, LoadContext loadContext)
{
var fileStream = await fileSystem.OpenFileAsync(filePath);
var platform = G1tSupport.DeterminePlatform(fileStream, loadContext.DialogManager);
EncodingDefinition = G1tSupport.GetEncodingDefinition(platform);
fileStream.Position = 0;
Images = _img.Load(fileStream, platform).Select(x => new KanvasImage(EncodingDefinition, x)).ToArray();
}
