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Code Issues Releases Wiki Activity

Fix panel animation and depth

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This commit is contained in:
Dean Herbert 2017-12-17 02:33:01 +09:00
parent 29a8ade59f
commit e2710a309c
1 changed files with 40 additions and 27 deletions
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67
osu.Game/Screens/Select/BeatmapCarousel.cs
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@ -305,11 +305,9 @@ namespace osu.Game.Screens.Select
perform();
}
public void ScrollToSelected(bool animated = true)
{
float selectedY = computeYPositions(animated);
ScrollTo(selectedY, animated);
}
private float? scrollTarget;
public void ScrollToSelected(bool animated = true) => Schedule(() => { if (scrollTarget != null) ScrollTo(scrollTarget.Value, animated); });
private CarouselBeatmapSet createCarouselSet(BeatmapSetInfo beatmapSet)
{
@ -351,39 +349,56 @@ namespace osu.Game.Screens.Select
/// Computes the target Y positions for every item in the carousel.
/// </summary>
/// <returns>The Y position of the currently selected item.</returns>
private float computeYPositions(bool animated = true)
private void computeYPositions(bool animated = true)
{
yPositions.Clear();
float currentY = DrawHeight / 2;
float selectedY = currentY;
DrawableCarouselBeatmapSet lastSet = null;
float lastSetY = 0;
var selected = selectedBeatmap;
scrollTarget = null;
foreach (DrawableCarouselItem d in Items)
{
switch (d)
if (d.IsPresent)
{
case DrawableCarouselBeatmapSet set:
set.MoveToX(set.Item.State == CarouselItemState.Selected ? -100 : 0, 500, Easing.OutExpo);
lastSetY = set.Position.Y;
break;
case DrawableCarouselBeatmap beatmap:
beatmap.MoveToX(beatmap.Item.State == CarouselItemState.Selected ? -50 : 0, 500, Easing.OutExpo);
switch (d)
{
case DrawableCarouselBeatmapSet set:
lastSet = set;
if (beatmap.Item == selected)
selectedY = currentY + beatmap.DrawHeight / 2 - DrawHeight / 2;
set.MoveToX(set.Item.State == CarouselItemState.Selected ? -100 : 0, 500, Easing.OutExpo);
set.MoveToY(currentY, animated ? 750 : 0, Easing.OutExpo);
break;
case DrawableCarouselBeatmap beatmap:
if (beatmap.Item.State.Value == CarouselItemState.Selected)
scrollTarget = currentY + beatmap.DrawHeight / 2 - DrawHeight / 2;
// on first display we want to begin hidden under our group's header.
if (animated && !beatmap.IsPresent)
beatmap.MoveToY(lastSetY);
break;
void performMove(float y, float? startY = null)
{
if (startY != null) beatmap.MoveTo(new Vector2(0, startY.Value));
beatmap.MoveToX(beatmap.Item.State == CarouselItemState.Selected ? -50 : 0, 500, Easing.OutExpo);
beatmap.MoveToY(y, animated ? 750 : 0, Easing.OutExpo);
}
Debug.Assert(lastSet != null);
float? setY = null;
if (!d.IsLoaded || beatmap.Alpha == 0) // can't use IsPresent due to DrawableCarouselItem override.
setY = lastSet.Y + lastSet.DrawHeight + 5;
if (d.IsLoaded)
performMove(currentY, setY);
else
{
float y = currentY;
d.OnLoadComplete = _ => performMove(y, setY);
}
break;
}
}
yPositions.Add(currentY);
d.MoveToY(currentY, animated ? 750 : 0, Easing.OutExpo);
if (d.Item.Visible)
currentY += d.DrawHeight + 5;
@ -393,8 +408,6 @@ namespace osu.Game.Screens.Select
scrollableContent.Height = currentY;
yPositionsCache.Validate();
return selectedY;
}
private void select(CarouselItem item)
@ -477,7 +490,7 @@ namespace osu.Game.Screens.Select
// Makes sure headers are always _below_ items,
// and depth flows downward.
item.Depth = i + (item is DrawableCarouselBeatmapSet ? Items.Count : 0);
item.Depth = i + (item is DrawableCarouselBeatmapSet ? -Items.Count : 0);
switch (item.LoadState)
{