osu/osu.Game.Tests/Visual/TestCaseEditorSeekSnapping.cs

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// Copyright (c) 2007-2018 ppy Pty Ltd <contact@ppy.sh>.
// Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
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using NUnit.Framework;
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using osu.Framework.Allocation;
using osu.Framework.Extensions.Color4Extensions;
using osu.Framework.Graphics;
using osu.Framework.Graphics.Containers;
using osu.Framework.Graphics.Shapes;
using osu.Game.Beatmaps;
using osu.Game.Beatmaps.ControlPoints;
using osu.Game.Rulesets.Osu.Objects;
using osu.Game.Tests.Beatmaps;
using OpenTK;
using OpenTK.Graphics;
namespace osu.Game.Tests.Visual
{
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[TestFixture]
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public class TestCaseEditorSeekSnapping : EditorClockTestCase
{
public TestCaseEditorSeekSnapping()
{
BeatDivisor.Value = 4;
}
[BackgroundDependencyLoader]
private void load()
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{
var testBeatmap = new Beatmap
{
ControlPointInfo = new ControlPointInfo
{
TimingPoints =
{
new TimingControlPoint { Time = 0, BeatLength = 200},
new TimingControlPoint { Time = 100, BeatLength = 400 },
new TimingControlPoint { Time = 175, BeatLength = 800 },
new TimingControlPoint { Time = 350, BeatLength = 200 },
new TimingControlPoint { Time = 450, BeatLength = 100 },
new TimingControlPoint { Time = 500, BeatLength = 307.69230769230802 }
}
},
HitObjects =
{
new HitCircle { StartTime = 0 },
new HitCircle { StartTime = 5000 }
}
};
Beatmap.Value = new TestWorkingBeatmap(testBeatmap);
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Child = new TimingPointVisualiser(testBeatmap, 5000) { Clock = Clock };
}
/// <summary>
/// Tests whether time is correctly seeked without snapping.
/// </summary>
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[Test]
public void TestSeekNoSnapping()
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{
reset();
// Forwards
AddStep("Seek(0)", () => Clock.Seek(0));
AddAssert("Time = 0", () => Clock.CurrentTime == 0);
AddStep("Seek(33)", () => Clock.Seek(33));
AddAssert("Time = 33", () => Clock.CurrentTime == 33);
AddStep("Seek(89)", () => Clock.Seek(89));
AddAssert("Time = 89", () => Clock.CurrentTime == 89);
// Backwards
AddStep("Seek(25)", () => Clock.Seek(25));
AddAssert("Time = 25", () => Clock.CurrentTime == 25);
AddStep("Seek(0)", () => Clock.Seek(0));
AddAssert("Time = 0", () => Clock.CurrentTime == 0);
}
/// <summary>
/// Tests whether seeking to exact beat times puts us on the beat time.
/// These are the white/yellow ticks on the graph.
/// </summary>
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[Test]
public void TestSeekSnappingOnBeat()
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{
reset();
AddStep("Seek(0), Snap", () => Clock.SeekSnapped(0));
AddAssert("Time = 0", () => Clock.CurrentTime == 0);
AddStep("Seek(50), Snap", () => Clock.SeekSnapped(50));
AddAssert("Time = 50", () => Clock.CurrentTime == 50);
AddStep("Seek(100), Snap", () => Clock.SeekSnapped(100));
AddAssert("Time = 100", () => Clock.CurrentTime == 100);
AddStep("Seek(175), Snap", () => Clock.SeekSnapped(175));
AddAssert("Time = 175", () => Clock.CurrentTime == 175);
AddStep("Seek(350), Snap", () => Clock.SeekSnapped(350));
AddAssert("Time = 350", () => Clock.CurrentTime == 350);
AddStep("Seek(400), Snap", () => Clock.SeekSnapped(400));
AddAssert("Time = 400", () => Clock.CurrentTime == 400);
AddStep("Seek(450), Snap", () => Clock.SeekSnapped(450));
AddAssert("Time = 450", () => Clock.CurrentTime == 450);
}
/// <summary>
/// Tests whether seeking to somewhere in the middle between beats puts us on the expected beats.
/// For example, snapping between a white/yellow beat should put us on either the yellow or white, depending on which one we're closer too.
/// </summary>
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[Test]
public void TestSeekSnappingInBetweenBeat()
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{
reset();
AddStep("Seek(24), Snap", () => Clock.SeekSnapped(24));
AddAssert("Time = 0", () => Clock.CurrentTime == 0);
AddStep("Seek(26), Snap", () => Clock.SeekSnapped(26));
AddAssert("Time = 50", () => Clock.CurrentTime == 50);
AddStep("Seek(150), Snap", () => Clock.SeekSnapped(150));
AddAssert("Time = 100", () => Clock.CurrentTime == 100);
AddStep("Seek(170), Snap", () => Clock.SeekSnapped(170));
AddAssert("Time = 175", () => Clock.CurrentTime == 175);
AddStep("Seek(274), Snap", () => Clock.SeekSnapped(274));
AddAssert("Time = 175", () => Clock.CurrentTime == 175);
AddStep("Seek(276), Snap", () => Clock.SeekSnapped(276));
AddAssert("Time = 350", () => Clock.CurrentTime == 350);
}
/// <summary>
/// Tests that when seeking forward with no beat snapping, beats are never explicitly snapped to, nor the next timing point (if we've skipped it).
/// </summary>
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[Test]
public void TestSeekForwardNoSnapping()
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{
reset();
AddStep("SeekForward", () => Clock.SeekForward());
AddAssert("Time = 50", () => Clock.CurrentTime == 50);
AddStep("SeekForward", () => Clock.SeekForward());
AddAssert("Time = 100", () => Clock.CurrentTime == 100);
AddStep("SeekForward", () => Clock.SeekForward());
AddAssert("Time = 200", () => Clock.CurrentTime == 200);
AddStep("SeekForward", () => Clock.SeekForward());
AddAssert("Time = 400", () => Clock.CurrentTime == 400);
AddStep("SeekForward", () => Clock.SeekForward());
AddAssert("Time = 450", () => Clock.CurrentTime == 450);
}
/// <summary>
/// Tests that when seeking forward with beat snapping, all beats are snapped to and timing points are never skipped.
/// </summary>
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[Test]
public void TestSeekForwardSnappingOnBeat()
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{
reset();
AddStep("SeekForward, Snap", () => Clock.SeekForward(true));
AddAssert("Time = 50", () => Clock.CurrentTime == 50);
AddStep("SeekForward, Snap", () => Clock.SeekForward(true));
AddAssert("Time = 100", () => Clock.CurrentTime == 100);
AddStep("SeekForward, Snap", () => Clock.SeekForward(true));
AddAssert("Time = 175", () => Clock.CurrentTime == 175);
AddStep("SeekForward, Snap", () => Clock.SeekForward(true));
AddAssert("Time = 350", () => Clock.CurrentTime == 350);
AddStep("SeekForward, Snap", () => Clock.SeekForward(true));
AddAssert("Time = 400", () => Clock.CurrentTime == 400);
AddStep("SeekForward, Snap", () => Clock.SeekForward(true));
AddAssert("Time = 450", () => Clock.CurrentTime == 450);
}
/// <summary>
/// Tests that when seeking forward from in-between two beats, the next beat or timing point is snapped to, and no beats are skipped.
/// This will also test being extremely close to the next beat/timing point, to ensure rounding is not an issue.
/// </summary>
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[Test]
public void TestSeekForwardSnappingFromInBetweenBeat()
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{
reset();
AddStep("Seek(49)", () => Clock.Seek(49));
AddStep("SeekForward, Snap", () => Clock.SeekForward(true));
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);
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);
AddStep("Seek(174)", () => Clock.Seek(174));
AddStep("SeekForward, Snap", () => Clock.SeekForward(true));
AddAssert("Time = 175", () => Clock.CurrentTime == 175);
AddStep("Seek(349)", () => Clock.Seek(349));
AddStep("SeekForward, Snap", () => Clock.SeekForward(true));
AddAssert("Time = 350", () => Clock.CurrentTime == 350);
AddStep("Seek(399)", () => Clock.Seek(399));
AddStep("SeekForward, Snap", () => Clock.SeekForward(true));
AddAssert("Time = 400", () => Clock.CurrentTime == 400);
AddStep("Seek(449)", () => Clock.Seek(449));
AddStep("SeekForward, Snap", () => Clock.SeekForward(true));
AddAssert("Time = 450", () => Clock.CurrentTime == 450);
}
/// <summary>
/// Tests that when seeking backward with no beat snapping, beats are never explicitly snapped to, nor the next timing point (if we've skipped it).
/// </summary>
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[Test]
public void TestSeekBackwardNoSnapping()
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{
reset();
AddStep("Seek(450)", () => Clock.Seek(450));
AddStep("SeekBackward", () => Clock.SeekBackward());
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AddAssert("Time = 400", () => Clock.CurrentTime == 400);
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AddStep("SeekBackward", () => Clock.SeekBackward());
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AddAssert("Time = 350", () => Clock.CurrentTime == 350);
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AddStep("SeekBackward", () => Clock.SeekBackward());
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AddAssert("Time = 150", () => Clock.CurrentTime == 150);
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AddStep("SeekBackward", () => Clock.SeekBackward());
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AddAssert("Time = 50", () => Clock.CurrentTime == 50);
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AddStep("SeekBackward", () => Clock.SeekBackward());
AddAssert("Time = 0", () => Clock.CurrentTime == 0);
}
/// <summary>
/// Tests that when seeking backward with beat snapping, all beats are snapped to and timing points are never skipped.
/// </summary>
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[Test]
public void TestSeekBackwardSnappingOnBeat()
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{
reset();
AddStep("Seek(450)", () => Clock.Seek(450));
AddStep("SeekBackward, Snap", () => Clock.SeekBackward(true));
AddAssert("Time = 400", () => Clock.CurrentTime == 400);
AddStep("SeekBackward, Snap", () => Clock.SeekBackward(true));
AddAssert("Time = 350", () => Clock.CurrentTime == 350);
AddStep("SeekBackward, Snap", () => Clock.SeekBackward(true));
AddAssert("Time = 175", () => Clock.CurrentTime == 175);
AddStep("SeekBackward, Snap", () => Clock.SeekBackward(true));
AddAssert("Time = 100", () => Clock.CurrentTime == 100);
AddStep("SeekBackward, Snap", () => Clock.SeekBackward(true));
AddAssert("Time = 50", () => Clock.CurrentTime == 50);
AddStep("SeekBackward, Snap", () => Clock.SeekBackward(true));
AddAssert("Time = 0", () => Clock.CurrentTime == 0);
}
/// <summary>
/// Tests that when seeking backward from in-between two beats, the previous beat or timing point is snapped to, and no beats are skipped.
/// This will also test being extremely close to the previous beat/timing point, to ensure rounding is not an issue.
/// </summary>
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[Test]
public void TestSeekBackwardSnappingFromInBetweenBeat()
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{
reset();
AddStep("Seek(451)", () => Clock.Seek(451));
AddStep("SeekBackward, Snap", () => Clock.SeekBackward(true));
AddAssert("Time = 450", () => Clock.CurrentTime == 450);
AddStep("Seek(450.999)", () => Clock.Seek(450.999));
AddStep("SeekBackward, Snap", () => Clock.SeekBackward(true));
AddAssert("Time = 450", () => Clock.CurrentTime == 450);
AddStep("Seek(401)", () => Clock.Seek(401));
AddStep("SeekBackward, Snap", () => Clock.SeekBackward(true));
AddAssert("Time = 400", () => Clock.CurrentTime == 400);
AddStep("Seek(401.999)", () => Clock.Seek(401.999));
AddStep("SeekBackward, Snap", () => Clock.SeekBackward(true));
AddAssert("Time = 400", () => Clock.CurrentTime == 400);
}
/// <summary>
/// Tests that there are no rounding issues when snapping to beats within a timing point with a floating-point beatlength.
/// </summary>
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[Test]
public void TestSeekingWithFloatingPointBeatLength()
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{
reset();
double lastTime = 0;
AddStep("Seek(0)", () => Clock.Seek(0));
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for (int i = 0; i < 9; i++)
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{
AddStep("SeekForward, Snap", () =>
{
lastTime = Clock.CurrentTime;
Clock.SeekForward(true);
});
AddAssert("Time > lastTime", () => Clock.CurrentTime > lastTime);
}
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for (int i = 0; i < 9; i++)
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{
AddStep("SeekBackward, Snap", () =>
{
lastTime = Clock.CurrentTime;
Clock.SeekBackward(true);
});
AddAssert("Time < lastTime", () => Clock.CurrentTime < lastTime);
}
AddAssert("Time = 0", () => Clock.CurrentTime == 0);
}
private void reset()
{
AddStep("Reset", () => Clock.Seek(0));
}
private class TimingPointVisualiser : CompositeDrawable
{
private readonly double length;
private readonly Drawable tracker;
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public TimingPointVisualiser(IBeatmap beatmap, double length)
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{
this.length = length;
Anchor = Anchor.Centre;
Origin = Anchor.Centre;
RelativeSizeAxes = Axes.X;
AutoSizeAxes = Axes.Y;
Width = 0.75f;
FillFlowContainer timelineContainer;
InternalChildren = new Drawable[]
{
new Box
{
Name = "Background",
RelativeSizeAxes = Axes.Both,
Colour = Color4.Black.Opacity(85f)
},
new Container
{
Name = "Tracks",
RelativeSizeAxes = Axes.X,
AutoSizeAxes = Axes.Y,
Padding = new MarginPadding(15),
Children = new[]
{
tracker = new Box
{
Anchor = Anchor.CentreLeft,
Origin = Anchor.Centre,
RelativeSizeAxes = Axes.Y,
RelativePositionAxes = Axes.X,
Width = 2,
Colour = Color4.Red,
},
timelineContainer = new FillFlowContainer
{
RelativeSizeAxes = Axes.X,
AutoSizeAxes = Axes.Y,
Spacing = new Vector2(0, 5)
},
}
}
};
var timingPoints = beatmap.ControlPointInfo.TimingPoints;
for (int i = 0; i < timingPoints.Count; i++)
{
TimingControlPoint next = i == timingPoints.Count - 1 ? null : timingPoints[i + 1];
timelineContainer.Add(new TimingPointTimeline(timingPoints[i], next?.Time ?? length, length));
}
}
protected override void Update()
{
base.Update();
tracker.X = (float)(Time.Current / length);
}
private class TimingPointTimeline : CompositeDrawable
{
public TimingPointTimeline(TimingControlPoint timingPoint, double endTime, double fullDuration)
{
RelativeSizeAxes = Axes.X;
AutoSizeAxes = Axes.Y;
Box createMainTick(double time) => new Box
{
Anchor = Anchor.BottomLeft,
Origin = Anchor.BottomCentre,
RelativePositionAxes = Axes.X,
X = (float)(time / fullDuration),
Height = 10,
Width = 2
};
Box createBeatTick(double time) => new Box
{
Anchor = Anchor.BottomLeft,
Origin = Anchor.BottomCentre,
RelativePositionAxes = Axes.X,
X = (float)(time / fullDuration),
Height = 5,
Width = 2,
Colour = time > endTime ? Color4.Gray : Color4.Yellow
};
AddInternal(createMainTick(timingPoint.Time));
AddInternal(createMainTick(endTime));
for (double t = timingPoint.Time + timingPoint.BeatLength / 4; t < fullDuration; t += timingPoint.BeatLength / 4)
AddInternal(createBeatTick(t));
}
}
}
}
}