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Code Issues Releases Wiki Activity

Change WaveformComparisonDisplay to centre around a time offset rather than beat

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This commit is contained in:
Dean Herbert 2022-05-31 16:32:02 +09:00
parent 6bc68ada43
commit c8f21ee8b2
1 changed files with 29 additions and 19 deletions
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44
osu.Game/Screens/Edit/Timing/WaveformComparisonDisplay.cs
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@ -45,7 +45,7 @@ namespace osu.Game.Screens.Edit.Timing
private TimingControlPoint timingPoint = TimingControlPoint.DEFAULT;
private int lastDisplayedBeatIndex;
private double displayedTime;
private double selectedGroupStartTime;
private double selectedGroupEndTime;
@ -56,9 +56,6 @@ namespace osu.Game.Screens.Edit.Timing
private LockedOverlay lockedOverlay = null!;
[Resolved]
private OsuColour colours { get; set; } = null!;
public WaveformComparisonDisplay()
{
RelativeSizeAxes = Axes.Both;
@ -98,7 +95,7 @@ namespace osu.Game.Screens.Edit.Timing
controlPointGroups.BindTo(editorBeatmap.ControlPointInfo.Groups);
controlPointGroups.BindCollectionChanged((_, __) => updateTimingGroup());
beatLength.BindValueChanged(_ => showFrom(lastDisplayedBeatIndex), true);
beatLength.BindValueChanged(_ => regenerateDisplay(), true);
displayLocked.BindValueChanged(locked =>
{
@ -138,11 +135,14 @@ namespace osu.Game.Screens.Edit.Timing
protected override bool OnHover(HoverEvent e) => true;
protected override bool OnMouseMove(MouseMoveEvent e)
{
if (!displayLocked.Value)
{
float trackLength = (float)beatmap.Value.Track.Length;
int totalBeatsAvailable = (int)(trackLength / timingPoint.BeatLength);
Scheduler.AddOnce(showFrom, (int)(e.MousePosition.X / DrawWidth * totalBeatsAvailable));
Scheduler.AddOnce(showFromBeat, (int)(e.MousePosition.X / DrawWidth * totalBeatsAvailable));
}
return base.OnMouseMove(e);
}
@ -157,21 +157,29 @@ namespace osu.Game.Screens.Edit.Timing
{
base.Update();
if (!IsHovered)
if (!IsHovered && !displayLocked.Value)
{
int currentBeat = (int)Math.Floor((editorClock.CurrentTimeAccurate - selectedGroupStartTime) / timingPoint.BeatLength);
showFrom(currentBeat);
showFromBeat(currentBeat);
}
}
private void showFrom(int beatIndex)
private void showFromBeat(int beatIndex) =>
showFromTime(selectedGroupStartTime + beatIndex * timingPoint.BeatLength);
private void showFromTime(double time)
{
if (lastDisplayedBeatIndex == beatIndex)
if (displayedTime == time)
return;
if (displayLocked.Value)
return;
displayedTime = time;
regenerateDisplay();
}
private void regenerateDisplay()
{
double index = (displayedTime - selectedGroupStartTime) / timingPoint.BeatLength;
// Chosen as a pretty usable number across all BPMs.
// Optimally we'd want this to scale with the BPM in question, but performing
@ -182,23 +190,25 @@ namespace osu.Game.Screens.Edit.Timing
float trackLength = (float)beatmap.Value.Track.Length;
float scale = trackLength / visible_width;
const int start_offset = total_waveforms / 2;
// Start displaying from before the current beat
beatIndex -= total_waveforms / 2;
index -= start_offset;
foreach (var row in InternalChildren.OfType<WaveformRow>())
{
// offset to the required beat index.
double time = selectedGroupStartTime + beatIndex * timingPoint.BeatLength;
double time = selectedGroupStartTime + index * timingPoint.BeatLength;
float offset = (float)(time - visible_width / 2) / trackLength * scale;
row.Alpha = time < selectedGroupStartTime || time > selectedGroupEndTime ? 0.2f : 1;
row.WaveformOffset = -offset;
row.WaveformScale = new Vector2(scale, 1);
row.BeatIndex = beatIndex++;
}
row.BeatIndex = (int)Math.Floor(index);
lastDisplayedBeatIndex = beatIndex;
index++;
}
}
internal class LockedOverlay : CompositeDrawable