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Code Issues Releases Wiki Activity

Add initial pass of vertical transforms

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This commit is contained in:
Dean Herbert 2020-10-12 19:55:17 +09:00
parent 15325f5f51
commit 8847cedf29
1 changed files with 18 additions and 8 deletions
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24
osu.Game/Screens/Select/BeatmapCarousel.cs
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@ -566,12 +566,8 @@ namespace osu.Game.Screens.Select
bool revalidateItems = !itemsCache.IsValid;
//todo: this should only refresh items, not everything here
if (revalidateItems)
updateItems();
// Remove all items that should no longer be on-screen
//scrollableContent.RemoveAll(p => p.Y < visibleUpperBound - p.DrawHeight || p.Y > visibleBottomBound || !p.IsPresent);
updateYPositions();
// Find index range of all items that should be on-screen
int firstIndex = yPositions.BinarySearch(visibleUpperBound);
@ -586,6 +582,9 @@ namespace osu.Game.Screens.Select
if (revalidateItems || firstIndex != displayedRange.first || lastIndex != displayedRange.last)
{
// Remove all items that should no longer be on-screen
scrollableContent.RemoveAll(p => p.Y + p.Item.TotalHeight < visibleUpperBound || p.Y > visibleBottomBound);
displayedRange = (firstIndex, lastIndex);
// Add those items within the previously found index range that should be displayed.
@ -598,13 +597,24 @@ namespace osu.Game.Screens.Select
if (panel == null)
{
panel = setPool.Get(p => p.Item = item);
panel.Y = yPositions[i];
panel.Depth = i;
panel.ClearTransforms();
scrollableContent.Add(panel);
}
else
{
if (panel.IsPresent)
panel.MoveToY(yPositions[i], 800, Easing.OutQuint);
else
panel.Y = yPositions[i];
scrollableContent.ChangeChildDepth(panel, i);
}
}
}
// Update externally controlled state of currently visible items
// (e.g. x-offset and opacity).
@ -682,7 +692,7 @@ 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 void updateItems()
private void updateYPositions()
{
yPositions.Clear();
visibleItems.Clear();