h1or4dme8/osu-lazer
1
0
Fork 0
mirror of https://github.com/ppy/osu.git synced 2025-01-14 03:25:11 +08:00
Code Issues Releases Wiki Activity

Merge pull request #9590 from peppy/editor-fix-scroll-reversal

Browse Source 
Fix reversing scroll direction not always behaving as expected
This commit is contained in:
Dan Balasescu 2020-07-17 17:57:36 +09:00 committed by GitHub
commit 2db2f0709e
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
3 changed files with 22 additions and 10 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
osu.Game.Tests/Visual/Editing/TestSceneEditorSeekSnapping.cs
View File

@ -175,13 +175,13 @@ namespace osu.Game.Tests.Visual.Editing
AddAssert("Time = 50", () => Clock.CurrentTime == 50);
AddStep("Seek(49.999)", () => Clock.Seek(49.999));
AddStep("SeekForward, Snap", () => Clock.SeekForward(true));
AddAssert("Time = 50", () => Clock.CurrentTime == 50);
AddAssert("Time = 100", () => Clock.CurrentTime == 100);
AddStep("Seek(99)", () => Clock.Seek(99));
AddStep("SeekForward, Snap", () => Clock.SeekForward(true));
AddAssert("Time = 100", () => Clock.CurrentTime == 100);
AddStep("Seek(99.999)", () => Clock.Seek(99.999));
AddStep("SeekForward, Snap", () => Clock.SeekForward(true));
AddAssert("Time = 100", () => Clock.CurrentTime == 100);
AddAssert("Time = 100", () => Clock.CurrentTime == 150);
AddStep("Seek(174)", () => Clock.Seek(174));
AddStep("SeekForward, Snap", () => Clock.SeekForward(true));
AddAssert("Time = 175", () => Clock.CurrentTime == 175);

17
osu.Game/Screens/Edit/Editor.cs
View File

@ -275,11 +275,22 @@ namespace osu.Game.Screens.Edit
protected override bool OnScroll(ScrollEvent e)
{
scrollAccumulation += (e.ScrollDelta.X + e.ScrollDelta.Y) * (e.IsPrecise ? 0.1 : 1);
const double precision = 1;
const int precision = 1;
double scrollComponent = e.ScrollDelta.X + e.ScrollDelta.Y;
while (Math.Abs(scrollAccumulation) > precision)
double scrollDirection = Math.Sign(scrollComponent);
// this is a special case to handle the "pivot" scenario.
// if we are precise scrolling in one direction then change our mind and scroll backwards,
// the existing accumulation should be applied in the inverse direction to maintain responsiveness.
if (Math.Sign(scrollAccumulation) != scrollDirection)
scrollAccumulation = scrollDirection * (precision - Math.Abs(scrollAccumulation));
scrollAccumulation += scrollComponent * (e.IsPrecise ? 0.1 : 1);
// because we are doing snapped seeking, we need to add up precise scrolls until they accumulate to an arbitrary cut-off.
while (Math.Abs(scrollAccumulation) >= precision)
{
if (scrollAccumulation > 0)
seek(e, -1);

11
osu.Game/Screens/Edit/EditorClock.cs
View File

@ -118,9 +118,14 @@ namespace osu.Game.Screens.Edit
seekTime = timingPoint.Time + closestBeat * seekAmount;
// limit forward seeking to only up to the next timing point's start time.
var nextTimingPoint = ControlPointInfo.TimingPoints.FirstOrDefault(t => t.Time > timingPoint.Time);
if (seekTime > nextTimingPoint?.Time)
seekTime = nextTimingPoint.Time;
// Due to the rounding above, we may end up on the current beat. This will effectively cause 0 seeking to happen, but we don't want this.
// Instead, we'll go to the next beat in the direction when this is the case
if (Precision.AlmostEquals(current, seekTime))
if (Precision.AlmostEquals(current, seekTime, 0.5f))
{
closestBeat += direction > 0 ? 1 : -1;
seekTime = timingPoint.Time + closestBeat * seekAmount;
@ -129,10 +134,6 @@ namespace osu.Game.Screens.Edit
if (seekTime < timingPoint.Time && timingPoint != ControlPointInfo.TimingPoints.First())
seekTime = timingPoint.Time;
var nextTimingPoint = ControlPointInfo.TimingPoints.FirstOrDefault(t => t.Time > timingPoint.Time);
if (seekTime > nextTimingPoint?.Time)
seekTime = nextTimingPoint.Time;
// Ensure the sought point is within the boundaries
seekTime = Math.Clamp(seekTime, 0, TrackLength);
SeekTo(seekTime);