osu/osu.Game.Tests/Visual/Gameplay/TestSceneFrameStabilityCont...

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// 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 NUnit.Framework;
using osu.Framework.Graphics;
using osu.Framework.Graphics.Containers;
using osu.Framework.Timing;
using osu.Game.Graphics.Sprites;
using osu.Game.Rulesets.UI;
namespace osu.Game.Tests.Visual.Gameplay
{
public class TestSceneFrameStabilityContainer : OsuTestScene
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{
private readonly ManualClock manualClock;
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private readonly Container mainContainer;
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private ClockConsumingChild consumer;
public TestSceneFrameStabilityContainer()
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{
Child = mainContainer = new Container
{
RelativeSizeAxes = Axes.Both,
Clock = new FramedClock(manualClock = new ManualClock()),
};
}
[Test]
public void TestLargeJumps()
{
seekManualTo(0);
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createStabilityContainer();
seekManualTo(100000);
confirmSeek(100000);
checkFrameCount(6000);
seekManualTo(0);
confirmSeek(0);
checkFrameCount(12000);
}
[Test]
public void TestSmallJumps()
{
seekManualTo(0);
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createStabilityContainer();
seekManualTo(40);
confirmSeek(40);
checkFrameCount(3);
seekManualTo(0);
confirmSeek(0);
checkFrameCount(6);
}
[Test]
public void TestSingleFrameJump()
{
seekManualTo(0);
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createStabilityContainer();
seekManualTo(8);
confirmSeek(8);
checkFrameCount(1);
seekManualTo(16);
confirmSeek(16);
checkFrameCount(2);
}
[Test]
public void TestInitialSeekWithGameplayStart()
{
seekManualTo(1000);
createStabilityContainer(30000);
confirmSeek(1000);
checkFrameCount(0);
seekManualTo(10000);
confirmSeek(10000);
checkFrameCount(1);
seekManualTo(130000);
confirmSeek(130000);
checkFrameCount(6002);
}
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[Test]
public void TestInitialSeek()
{
seekManualTo(100000);
createStabilityContainer();
confirmSeek(100000);
checkFrameCount(0);
}
private const int max_frames_catchup = 50;
private void createStabilityContainer(double gameplayStartTime = double.MinValue) => AddStep("create container", () =>
mainContainer.Child = new FrameStabilityContainer(gameplayStartTime) { MaxCatchUpFrames = max_frames_catchup }
.WithChild(consumer = new ClockConsumingChild()));
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private void seekManualTo(double time) => AddStep($"seek manual clock to {time}", () => manualClock.CurrentTime = time);
private void confirmSeek(double time) => AddUntilStep($"wait for seek to {time}", () => consumer.Clock.CurrentTime == time);
private void checkFrameCount(int frames) =>
AddAssert($"elapsed frames is {frames}", () => consumer.ElapsedFrames == frames);
public class ClockConsumingChild : CompositeDrawable
{
private readonly OsuSpriteText text;
private readonly OsuSpriteText text2;
private readonly OsuSpriteText text3;
public ClockConsumingChild()
{
Anchor = Anchor.Centre;
Origin = Anchor.Centre;
InternalChildren = new Drawable[]
{
new FillFlowContainer
{
RelativeSizeAxes = Axes.Both,
Direction = FillDirection.Vertical,
Children = new Drawable[]
{
text = new OsuSpriteText
{
Anchor = Anchor.Centre,
Origin = Anchor.Centre,
},
text2 = new OsuSpriteText
{
Anchor = Anchor.Centre,
Origin = Anchor.Centre,
},
text3 = new OsuSpriteText
{
Anchor = Anchor.Centre,
Origin = Anchor.Centre,
},
}
},
};
}
public int ElapsedFrames;
protected override void Update()
{
base.Update();
if (Clock.ElapsedFrameTime != 0)
ElapsedFrames++;
text.Text = $"current time: {Clock.CurrentTime:F0}";
if (Clock.ElapsedFrameTime != 0)
text2.Text = $"last elapsed frame time: {Clock.ElapsedFrameTime:F0}";
text3.Text = $"total frames: {ElapsedFrames:F0}";
}
}
}
}