public static object BuildContentForRun(IDataModel model, int source, int destination, IFormattedRun destinationRun, int preferredPaletteStart = -1, int preferredSpritePage = 0)
{
if (destination != destinationRun.Start)
{
return(null);
}
if (destinationRun is PCSRun pcs)
{
return(PCSString.Convert(model, pcs.Start, pcs.Length));
}
else if (destinationRun is ISpriteRun sprite)
{
if (sprite is LzTilemapRun tilemap)
{
tilemap.FindMatchingTileset(model);
}
var paletteRuns = sprite.FindRelatedPalettes(model, source);
var paletteRun = paletteRuns.FirstOrDefault();
if (preferredPaletteStart >= 0)
{
paletteRun = paletteRuns.FirstOrDefault(pRun => pRun.Start == preferredPaletteStart) ?? model.GetNextRun(preferredPaletteStart) as IPaletteRun;
}
var pixels = sprite.GetPixels(model, preferredSpritePage);
if (pixels == null)
{
return(null);
}
var colors = paletteRun?.AllColors(model) ?? TileViewModel.CreateDefaultPalette((int)Math.Pow(2, sprite.SpriteFormat.BitsPerPixel));
var imageData = SpriteTool.Render(pixels, colors, paletteRun?.PaletteFormat.InitialBlankPages ?? 0, 0);
return(new ReadonlyPixelViewModel(sprite.SpriteFormat, imageData));
}
else if (destinationRun is IPaletteRun paletteRun)
{
var colors = paletteRun.GetPalette(model, 0);
return(new ReadonlyPaletteCollection(colors));
}
else if (destinationRun is IStreamRun streamRun)
{
using (ModelCacheScope.CreateScope(model)) {
var lines = streamRun.SerializeRun().Split(Environment.NewLine);
if (lines.Length > 20)
{
lines = lines.Take(20).ToArray();
}
return(Environment.NewLine.Join(lines));
}
}
else if (destinationRun is ArrayRun arrayRun)
{
var stream = new StringBuilder();
arrayRun.AppendTo(model, stream, arrayRun.Start, arrayRun.ElementLength * Math.Min(20, arrayRun.ElementCount), false);
return(stream.ToString());
}
else
{
return(null);
}
}
// TODO do some sort of caching: rendering these images every time probably sucks for performance.
public IEnumerable <ComboOption> GetComboOptions(IDataModel model)
{
var defaultOptions = GetOptions(model)
.Select((option, i) => new ComboOption(option, i))
.Where(combo => combo.Text != null)
.ToList();
if (!(model.GetNextRun(model.GetAddressFromAnchor(new NoDataChangeDeltaModel(), -1, EnumName)) is ITableRun tableRun))
{
return(defaultOptions);
}
if (!(tableRun.ElementContent[0] is ArrayRunPointerSegment pointerSegment))
{
return(defaultOptions);
}
if (!LzSpriteRun.TryParseSpriteFormat(pointerSegment.InnerFormat, out var _) && !SpriteRun.TryParseSpriteFormat(pointerSegment.InnerFormat, out var _))
{
return(defaultOptions);
}
var imageOptions = new List <ComboOption>();
for (int i = 0; i < tableRun.ElementCount; i++)
{
var destination = model.ReadPointer(tableRun.Start + tableRun.ElementLength * i);
if (!(model.GetNextRun(destination) is ISpriteRun run))
{
return(defaultOptions);
}
var sprite = run.GetPixels(model, 0);
var paletteAddress = SpriteTool.FindMatchingPalette(model, run, 0);
var paletteRun = model.GetNextRun(paletteAddress) as IPaletteRun;
var palette = paletteRun?.GetPalette(model, paletteRun.PaletteFormat.InitialBlankPages) ?? TileViewModel.CreateDefaultPalette(16);
var image = SpriteTool.Render(sprite, palette, paletteRun?.PaletteFormat.InitialBlankPages ?? default, 0);
var option = VisualComboOption.CreateFromSprite(defaultOptions[i].Text, image, sprite.GetLength(0), i);
imageOptions.Add(option);
}
return(imageOptions);
}