internal void UpdateStarDifficultyDisplay(bool instant)
{
if (!IsLoaded || Beatmap == null || state < TreeItemState.ExtrasVisible)
{
return;
}
double stars = Math.Min(Beatmap.StarDisplay, 10.0); // We don't want to deal with more than 10 stars in this display
if (currentlyVisibleStars == stars)
{
return;
}
double previouslyVisibleStars = currentlyVisibleStars;
currentlyVisibleStars = stars;
UpdateDifficultyText();
// We want the -1 placeholder for "inexistant difficulty" to be treated like 0 stars here
if (stars < 0)
{
stars = 0;
int BackgroundStarSpritesEndIndex = starSpritesBeginIndex + AMOUNT_STARS;
for (int i = starSpritesBeginIndex; i < BackgroundStarSpritesEndIndex; ++i)
{
pDrawable starSprite = SpriteCollection[i];
starSprite.FadeOut(instant ? 0 : (OldLayout ? 1000 : 600));
}
}
// ... with the exception of the background stars appearing. We want these to only appear once difficulty has been computed. (for looking good!)
else
{
int BackgroundStarSpritesEndIndex = starSpritesBeginIndex + AMOUNT_STARS;
for (int i = starSpritesBeginIndex; i < BackgroundStarSpritesEndIndex; ++i)
{
pDrawable starSprite = SpriteCollection[i];
starSprite.FadeIn(instant ? 0 : (OldLayout ? 1000 : 600));
}
}
int StarSpritesEndIndex = starSpritesBeginIndex + AMOUNT_STARS * 2;
for (int i = starSpritesBeginIndex + AMOUNT_STARS; i < StarSpritesEndIndex; ++i)
{
int starIndex = i - (starSpritesBeginIndex + AMOUNT_STARS);
double starsLeft = stars - starIndex;
pSprite starSprite = SpriteCollection[i] as pSprite;
starSprite.Transformations.Clear();
if (OldLayout)
{
int targetWidth = (int)(starSprite.Width * starsLeft);
// It is important to also clip the width to negative values so the animation is delayed when the stars potentially appear again after the difficulty has been computed.
// Don't optimize this and set to 0!
starSprite.ClipWidthTo(targetWidth, instant ? 0 : 500, EasingTypes.OutCubic);
}
else
{
float newScale = starsLeft <= 0 ? 0 : star_scale * (float)Math.Max(0.5f, Math.Min(1, starsLeft) + starIndex * 0.04f);
int amountStarsScaled = (int)Math.Floor(starIndex - Math.Min(stars, previouslyVisibleStars));
if (instant)
{
starSprite.ScaleTo(newScale, 0);
}
else
{
int timeAddition = previouslyVisibleStars <= stars ? amountStarsScaled : (int)Math.Floor(previouslyVisibleStars - stars) - amountStarsScaled - 1;
int startTime = GameBase.Time + timeAddition * 80 + 50;
starSprite.Transformations.Add(new Transformation(TransformationType.Scale, starSprite.Scale, newScale, startTime, startTime + 500, EasingTypes.OutBack));
}
}
}
}