private static List <SpRect> CompileSources(List <SpSource> sources)
{
var rects = new List <SpRect>();
for (var i = sources.Count - 1; i >= 0; i--)
{
var source = sources[i];
var sourceTexture = source.Texture;
if (sourceTexture != null)
{
var sourcePath = source.Path;
var sourcePixels = default(SpPixels);
var sourceSprites = source.Sprites;
var sourceImporter = SpHelper.GetAssetImporter <TextureImporter>(sourcePath);
if (sourceImporter != null)
{
// Make the texture temporarily readable, or directly read pixels
if (sourceImporter.isReadable == false)
{
sourceImporter.isReadable = true; SpHelper.ReimportAsset(sourcePath);
{
sourcePixels = new SpPixels(sourceTexture);
}
sourceImporter.isReadable = false; SpHelper.ReimportAsset(sourcePath);
}
else
{
sourcePixels = new SpPixels(sourceTexture);
}
// Add sprites or whole texture
if (sourceSprites.Count > 0)
{
for (var j = 0; j < sourceSprites.Count; j++)
{
var sourceSprite = sourceSprites[j];
CompileRect(rects, source, sourcePixels.GetSubset(sourceSprite.rect), sourceSprite.name, sourceSprite);
}
}
else
{
CompileRect(rects, source, sourcePixels, sourceTexture.name);
}
continue;
}
}
sources.RemoveAt(i);
}
rects.Sort((a, b) => Mathf.Max(b.W, b.H) - Mathf.Max(a.W, a.H));
return(rects);
}