public Tuple <SpriteKey, SpriteInstanceData> Resolve(Sprite sprite)
{
var assetType = AssetTypeLookup[sprite.IdType];
var id = sprite.NumericId;
ITexture texture = Resolve <IAssetManager>().LoadTexture(assetType, id);
if (texture == null)
{
return(Tuple.Create(new SpriteKey(_defaultTexture, (int)DrawLayer.Diagnostic, sprite.Flags),
SpriteInstanceData.Centred(sprite.Position,
new Vector2(_defaultTexture.Width, _defaultTexture.Height),
Vector2.Zero, Vector2.One, 0, 0)));
}
texture.GetSubImageDetails(sprite.SubObject, out var size, out var texOffset, out var texSize, out var layer);
var key = new SpriteKey(texture, sprite.RenderOrder, sprite.Flags);
var instance = SpriteInstanceData.CopyFlags(
sprite.Position,
sprite.Size ?? size, texOffset, texSize, layer,
sprite.Flags | (texture.Format == PixelFormat.R8_UNorm ? SpriteFlags.UsePalette : 0)
);
return(Tuple.Create(key, instance));
}
void Rebuild(int width, int height, int order)
{
var window = Resolve <IWindowManager>();
{
var normSize = window.UiToNormRelative(new Vector2(width, height));
var pixelSize = window.NormToPixelRelative(normSize);
if ((pixelSize - _lastPixelSize).LengthSquared() < float.Epsilon && _sprite.RenderOrder == order)
{
return;
}
_lastPixelSize = pixelSize;
}
var totalSize = GetSize();
var extents = new Rectangle(0, 0, (int)totalSize.X, (int)totalSize.Y);
var instances = new List <SpriteInstanceData>();
for (int j = extents.Y; j < extents.Height; j++)
{
for (int i = extents.X; i < extents.Width; i++)
{
int n = instances.Count;
SpriteFlags flags = SpriteFlags.NoTransform | SpriteFlags.NoDepthTest;
if ((n & 1) != 0)
{
flags |= SpriteFlags.BlueTint;
}
if ((n & 2) != 0)
{
flags |= SpriteFlags.GreenTint;
}
if ((n & 4) != 0)
{
flags |= SpriteFlags.RedTint;
}
if ((n & 8) != 0)
{
flags |= SpriteFlags.Highlight;
}
var position = new Vector3(window.UiToNorm(new Vector2(i, j)), 0);
var size = 2 * Vector2.One / window.Size;
instances.Add(SpriteInstanceData.Centred(position, size, Vector2.Zero, Vector2.One, 0, flags));
}
}
_sprite = new MultiSprite(new SpriteKey(_pixel, order, instances[0].Flags))
{
Instances = instances.ToArray()
};
}