static byte[] Write(IImageEncoder encoder, uint[] palette, IReadOnlyTexture <byte> existing, int frameNum)
{
var frame = existing.Regions[frameNum];
var buffer = new ReadOnlyImageBuffer <byte>(
frame.Width,
frame.Height,
existing.Width,
existing.PixelData.Slice(frame.PixelOffset, frame.PixelLength));
Image <Rgba32> image = ImageSharpUtil.ToImageSharp(buffer, palette);
var bytes = FormatUtil.BytesFromStream(stream => encoder.Encode(image, stream));
return(bytes);
}
public IList <ExportedImageInfo> ExportImage(
AssetId assetId,
IAssetManager assets,
string directory,
DumpFormats formats,
Func <int, int, bool> frameFilter = null)
{
var filenames = new List <ExportedImageInfo>();
var config = assets.GetAssetInfo(assetId);
AlbionPalette palette;
if (config != null)
{
var rawPaletteId = config.Get(AssetProperty.PaletteId, 0);
var paletteId = new PaletteId(AssetType.Palette, rawPaletteId);
palette = assets.LoadPalette(paletteId);
}
else
{
palette = assets.LoadPalette(Base.Palette.Inventory);
}
var texture = assets.LoadTexture(assetId);
if (texture == null)
{
return(filenames);
}
if (texture is IReadOnlyTexture <uint> trueColor)
{
var path = Path.Combine(directory, $"{assetId.Id}_{assetId}");
var image = ImageSharpUtil.ToImageSharp(trueColor.GetLayerBuffer(0));
Save(image, path, formats, filenames);
}
else if (texture is IReadOnlyTexture <byte> tilemap && (
assetId.Type == AssetType.Font ||
assetId.Type == AssetType.TilesetGraphics ||
assetId.Type == AssetType.AutomapGraphics))
{
if (palette == null)
{
Error($"Could not load palette for {assetId}");
return(filenames);
}
var colors = BlitUtil.DistinctColors(tilemap.PixelData);
int palettePeriod = palette.CalculatePeriod(colors);
for (int palFrame = 0; palFrame < palettePeriod; palFrame++)
{
if (frameFilter != null && !frameFilter(0, palFrame))
{
continue;
}
var path = Path.Combine(directory, $"{assetId.Id}_{palFrame}_{assetId}");
var image = ImageSharpUtil.ToImageSharp(tilemap.GetLayerBuffer(0), palette.GetPaletteAtTime(palFrame));
Save(image, path, formats, filenames);
}
}
else if (texture is IReadOnlyTexture <byte> eightBit)
{
for (int subId = 0; subId < eightBit.Regions.Count; subId++)
{
if (palette == null)
{
Error($"Could not load palette for {assetId}");
break;
}
var colors = BlitUtil.DistinctColors(eightBit.GetRegionBuffer(subId));
int palettePeriod = palette.CalculatePeriod(colors);
for (int palFrame = 0; palFrame < palettePeriod; palFrame++)
{
if (frameFilter != null && !frameFilter(subId, palFrame))
{
continue;
}
var path = Path.Combine(directory, $"{assetId.Id}_{subId}_{palFrame}_{assetId}");
var image = ImageSharpUtil.ToImageSharp(eightBit.GetRegionBuffer(subId), palette.GetPaletteAtTime(palFrame));
Save(image, path, formats, filenames);
}
}
}
else
{
var path = Path.Combine(directory, $"{assetId.Id}_{assetId}.png.todo");
File.WriteAllText(path, "");
return(null);
}
return(filenames);
}