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mirror of https://github.com/ppy/osu.git synced 2024-12-14 10:12:54 +08:00

Fix uninitialized scrollLength value is used

This commit is contained in:
ekrctb 2021-04-29 15:17:30 +09:00
parent 632bb70e0f
commit 73dfb04df8

View File

@ -185,8 +185,6 @@ namespace osu.Game.Rulesets.UI.Scrolling
layoutComputed.Remove(hitObject);
}
private float scrollLength;
protected override void Update()
{
base.Update();
@ -199,29 +197,16 @@ namespace osu.Game.Rulesets.UI.Scrolling
layoutComputed.Clear();
scrollingInfo.Algorithm.Reset();
switch (direction.Value)
{
case ScrollingDirection.Up:
case ScrollingDirection.Down:
scrollLength = DrawSize.Y;
break;
default:
scrollLength = DrawSize.X;
break;
}
layoutCache.Validate();
}
}
// We need to calculate hit object positions (including nested hit objects) as soon as possible after lifetimes
// to prevent hit objects displayed in a wrong position for one frame.
protected override void UpdateAfterChildrenLife()
{
base.UpdateAfterChildrenLife();
// We need to calculate hit object positions (including nested hit objects) as soon as possible after lifetimes
// to prevent hit objects displayed in a wrong position for one frame.
// Only AliveObjects need to be considered for layout (reduces overhead in the case of scroll speed changes).
foreach (var obj in AliveObjects)
{
@ -260,7 +245,7 @@ namespace osu.Game.Rulesets.UI.Scrolling
break;
}
entry.LifetimeStart = scrollingInfo.Algorithm.GetDisplayStartTime(entry.HitObject.StartTime, startOffset, timeRange.Value, scrollLength);
entry.LifetimeStart = scrollingInfo.Algorithm.GetDisplayStartTime(entry.HitObject.StartTime, startOffset, timeRange.Value, getLength());
}
private void updateLayoutRecursive(DrawableHitObject hitObject)
@ -271,12 +256,12 @@ namespace osu.Game.Rulesets.UI.Scrolling
{
case ScrollingDirection.Up:
case ScrollingDirection.Down:
hitObject.Height = scrollingInfo.Algorithm.GetLength(hitObject.HitObject.StartTime, e.EndTime, timeRange.Value, scrollLength);
hitObject.Height = scrollingInfo.Algorithm.GetLength(hitObject.HitObject.StartTime, e.EndTime, timeRange.Value, getLength());
break;
case ScrollingDirection.Left:
case ScrollingDirection.Right:
hitObject.Width = scrollingInfo.Algorithm.GetLength(hitObject.HitObject.StartTime, e.EndTime, timeRange.Value, scrollLength);
hitObject.Width = scrollingInfo.Algorithm.GetLength(hitObject.HitObject.StartTime, e.EndTime, timeRange.Value, getLength());
break;
}
}
@ -295,19 +280,19 @@ namespace osu.Game.Rulesets.UI.Scrolling
switch (direction.Value)
{
case ScrollingDirection.Up:
hitObject.Y = scrollingInfo.Algorithm.PositionAt(hitObject.HitObject.StartTime, currentTime, timeRange.Value, scrollLength);
hitObject.Y = scrollingInfo.Algorithm.PositionAt(hitObject.HitObject.StartTime, currentTime, timeRange.Value, getLength());
break;
case ScrollingDirection.Down:
hitObject.Y = -scrollingInfo.Algorithm.PositionAt(hitObject.HitObject.StartTime, currentTime, timeRange.Value, scrollLength);
hitObject.Y = -scrollingInfo.Algorithm.PositionAt(hitObject.HitObject.StartTime, currentTime, timeRange.Value, getLength());
break;
case ScrollingDirection.Left:
hitObject.X = scrollingInfo.Algorithm.PositionAt(hitObject.HitObject.StartTime, currentTime, timeRange.Value, scrollLength);
hitObject.X = scrollingInfo.Algorithm.PositionAt(hitObject.HitObject.StartTime, currentTime, timeRange.Value, getLength());
break;
case ScrollingDirection.Right:
hitObject.X = -scrollingInfo.Algorithm.PositionAt(hitObject.HitObject.StartTime, currentTime, timeRange.Value, scrollLength);
hitObject.X = -scrollingInfo.Algorithm.PositionAt(hitObject.HitObject.StartTime, currentTime, timeRange.Value, getLength());
break;
}
}