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Merge pull request #10443 from peppy/editor-timeline-tick-display-performance

Improve TimelineTickDisplay performance
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Dan Balasescu 2020-10-09 17:53:12 +09:00 committed by GitHub
commit 4881a13f4b
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3 changed files with 120 additions and 35 deletions

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@ -5,7 +5,6 @@ using NUnit.Framework;
using osu.Framework.Allocation;
using osu.Framework.Graphics;
using osu.Game.Screens.Edit.Compose.Components;
using osu.Game.Screens.Edit.Compose.Components.Timeline;
using osuTK;
namespace osu.Game.Tests.Visual.Editing
@ -13,7 +12,7 @@ namespace osu.Game.Tests.Visual.Editing
[TestFixture]
public class TestSceneTimelineTickDisplay : TimelineTestScene
{
public override Drawable CreateTestComponent() => new TimelineTickDisplay();
public override Drawable CreateTestComponent() => Empty(); // tick display is implicitly inside the timeline.
[BackgroundDependencyLoader]
private void load()

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@ -1,9 +1,9 @@
// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
// See the LICENCE file in the repository root for full licence text.
using osuTK;
using osu.Framework.Graphics;
using osu.Framework.Graphics.Shapes;
using osuTK;
namespace osu.Game.Screens.Edit.Components.Timelines.Summary.Visualisations
{
@ -12,16 +12,23 @@ namespace osu.Game.Screens.Edit.Components.Timelines.Summary.Visualisations
/// </summary>
public class PointVisualisation : Box
{
public const float WIDTH = 1;
public PointVisualisation(double startTime)
: this()
{
X = (float)startTime;
}
public PointVisualisation()
{
Origin = Anchor.TopCentre;
RelativeSizeAxes = Axes.Y;
Width = 1;
EdgeSmoothness = new Vector2(1, 0);
RelativePositionAxes = Axes.X;
X = (float)startTime;
RelativeSizeAxes = Axes.Y;
Width = WIDTH;
EdgeSmoothness = new Vector2(WIDTH, 0);
}
}
}

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@ -1,9 +1,11 @@
// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
// See the LICENCE file in the repository root for full licence text.
using System;
using System.Linq;
using osu.Framework.Allocation;
using osu.Framework.Bindables;
using osu.Framework.Caching;
using osu.Framework.Graphics;
using osu.Game.Beatmaps;
using osu.Game.Graphics;
@ -12,7 +14,7 @@ using osu.Game.Screens.Edit.Components.Timelines.Summary.Visualisations;
namespace osu.Game.Screens.Edit.Compose.Components.Timeline
{
public class TimelineTickDisplay : TimelinePart
public class TimelineTickDisplay : TimelinePart<PointVisualisation>
{
[Resolved]
private EditorBeatmap beatmap { get; set; }
@ -31,15 +33,63 @@ namespace osu.Game.Screens.Edit.Compose.Components.Timeline
RelativeSizeAxes = Axes.Both;
}
private readonly Cached tickCache = new Cached();
[BackgroundDependencyLoader]
private void load()
{
beatDivisor.BindValueChanged(_ => createLines(), true);
beatDivisor.BindValueChanged(_ => tickCache.Invalidate());
}
private void createLines()
/// <summary>
/// The visible time/position range of the timeline.
/// </summary>
private (float min, float max) visibleRange = (float.MinValue, float.MaxValue);
/// <summary>
/// The next time/position value to the left of the display when tick regeneration needs to be run.
/// </summary>
private float? nextMinTick;
/// <summary>
/// The next time/position value to the right of the display when tick regeneration needs to be run.
/// </summary>
private float? nextMaxTick;
[Resolved(canBeNull: true)]
private Timeline timeline { get; set; }
protected override void Update()
{
Clear();
base.Update();
if (timeline != null)
{
var newRange = (
(ToLocalSpace(timeline.ScreenSpaceDrawQuad.TopLeft).X - PointVisualisation.WIDTH * 2) / DrawWidth * Content.RelativeChildSize.X,
(ToLocalSpace(timeline.ScreenSpaceDrawQuad.TopRight).X + PointVisualisation.WIDTH * 2) / DrawWidth * Content.RelativeChildSize.X);
if (visibleRange != newRange)
{
visibleRange = newRange;
// actual regeneration only needs to occur if we've passed one of the known next min/max tick boundaries.
if (nextMinTick == null || nextMaxTick == null || (visibleRange.min < nextMinTick || visibleRange.max > nextMaxTick))
tickCache.Invalidate();
}
}
if (!tickCache.IsValid)
createTicks();
}
private void createTicks()
{
int drawableIndex = 0;
int highestDivisor = BindableBeatDivisor.VALID_DIVISORS.Last();
nextMinTick = null;
nextMaxTick = null;
for (var i = 0; i < beatmap.ControlPointInfo.TimingPoints.Count; i++)
{
@ -50,41 +100,70 @@ namespace osu.Game.Screens.Edit.Compose.Components.Timeline
for (double t = point.Time; t < until; t += point.BeatLength / beatDivisor.Value)
{
var indexInBeat = beat % beatDivisor.Value;
float xPos = (float)t;
if (indexInBeat == 0)
{
Add(new PointVisualisation(t)
{
Colour = BindableBeatDivisor.GetColourFor(1, colours),
Origin = Anchor.TopCentre,
});
}
if (t < visibleRange.min)
nextMinTick = xPos;
else if (t > visibleRange.max)
nextMaxTick ??= xPos;
else
{
// if this is the first beat in the beatmap, there is no next min tick
if (beat == 0 && i == 0)
nextMinTick = float.MinValue;
var indexInBeat = beat % beatDivisor.Value;
var divisor = BindableBeatDivisor.GetDivisorForBeatIndex(beat, beatDivisor.Value);
var colour = BindableBeatDivisor.GetColourFor(divisor, colours);
var height = 0.1f - (float)divisor / BindableBeatDivisor.VALID_DIVISORS.Last() * 0.08f;
Add(new PointVisualisation(t)
{
Colour = colour,
Height = height,
Origin = Anchor.TopCentre,
});
// even though "bar lines" take up the full vertical space, we render them in two pieces because it allows for less anchor/origin churn.
var height = indexInBeat == 0 ? 0.5f : 0.1f - (float)divisor / highestDivisor * 0.08f;
Add(new PointVisualisation(t)
{
Colour = colour,
Anchor = Anchor.BottomLeft,
Origin = Anchor.BottomCentre,
Height = height,
});
var topPoint = getNextUsablePoint();
topPoint.X = xPos;
topPoint.Colour = colour;
topPoint.Height = height;
topPoint.Anchor = Anchor.TopLeft;
topPoint.Origin = Anchor.TopCentre;
var bottomPoint = getNextUsablePoint();
bottomPoint.X = xPos;
bottomPoint.Colour = colour;
bottomPoint.Anchor = Anchor.BottomLeft;
bottomPoint.Origin = Anchor.BottomCentre;
bottomPoint.Height = height;
}
beat++;
}
}
int usedDrawables = drawableIndex;
// save a few drawables beyond the currently used for edge cases.
while (drawableIndex < Math.Min(usedDrawables + 16, Count))
Children[drawableIndex++].Hide();
// expire any excess
while (drawableIndex < Count)
Children[drawableIndex++].Expire();
tickCache.Validate();
Drawable getNextUsablePoint()
{
PointVisualisation point;
if (drawableIndex >= Count)
Add(point = new PointVisualisation());
else
point = Children[drawableIndex];
drawableIndex++;
point.Show();
return point;
}
}
}
}