public void AddSpriteDefinition(Texture texture, Ur.Grid.Rect subrect, string identity)
{
var l = spriteDefsByTexture[texture];
var def = new SpriteDefinition(identity, texture, subrect, l.Count);
l.Add(def);
allSpriteDefinitions.Add(def);
spriteDefsByStringID.Add(textureIdentitiesLookup[texture] + ":" + identity, def);
}
static internal SFML.Graphics.IntRect ToSFMLIntRect(this Ur.Grid.Rect source)
{
return(new SFML.Graphics.IntRect(source.X0, source.Y0, source.Width, source.Height));
}