// returns false when the packing failed.
private bool TryPack(int sheet_w, int sheet_h)
{
SpriteAtlas.Clear();
// load all sprites into list and sort
var spritesToPack = new List <Sprite>(
sprites.Select(sprite => new Sprite
{
Bitmap = sprite.Item2,
Name = sprite.Item1
}));
spritesToPack.Sort((sprite1, sprite2) => sprite2.Area.CompareTo(sprite1.Area));
var packer = new MaxRectsBinPack.MaxRectsBinPack(sheet_w, sheet_h, false);
foreach (var sprite in spritesToPack)
{
var rect = packer.Insert(sprite.Width, sprite.Height, FreeRectChoiceHeuristic.RectBestShortSideFit);
if (rect.GetArea() == 0)
{
return(false);
}
SpriteAtlas.Add(new PackedSprite(rect.X, rect.Y, sprite));
}
SpriteSheet = new Bitmap(sheet_w, sheet_h);
return(true);
}
private static PackedSprite[] TryPack(Sprite[] sprites, int sheet_w, int sheet_h)
{
List <PackedSprite> packedSprites = new List <PackedSprite>();
// load all sprites into list and sort
var spritesToPack = new List <Sprite>(sprites);
spritesToPack.Sort((sprite1, sprite2) => sprite2.Area.CompareTo(sprite1.Area));
var packer = new MaxRectsBinPack.MaxRectsBinPack(sheet_w, sheet_h, false);
foreach (var sprite in spritesToPack)
{
var rect = packer.Insert(sprite.Width, sprite.Height, FreeRectChoiceHeuristic.RectBestShortSideFit);
if (rect.Width == 0 || rect.Height == 0)
{
return(null);
}
packedSprites.Add(new PackedSprite(sprite, rect.Location));
}
return(packedSprites.ToArray());
}
