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Merge branch 'master' into sh-xh-grading-2

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iiSaLMaN 2019-04-25 06:11:07 +03:00 committed by GitHub
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150
osu.Game.Tests/Visual/Gameplay/TestCaseFrameStabilityContainer.cs Normal file
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@ -0,0 +1,150 @@
// 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 TestCaseFrameStabilityContainer : OsuTestCase
{
private readonly ManualClock manualClock;
private readonly Container mainContainer;
private ClockConsumingChild consumer;
public TestCaseFrameStabilityContainer()
{
Child = mainContainer = new Container
{
RelativeSizeAxes = Axes.Both,
Clock = new FramedClock(manualClock = new ManualClock()),
};
}
[Test]
public void TestLargeJumps()
{
seekManualTo(0);
createStabilityContainer();
seekManualTo(100000);
confirmSeek(100000);
checkFrameCount(6000);
seekManualTo(0);
confirmSeek(0);
checkFrameCount(12000);
}
[Test]
public void TestSmallJumps()
{
seekManualTo(0);
createStabilityContainer();
seekManualTo(40);
confirmSeek(40);
checkFrameCount(3);
seekManualTo(0);
confirmSeek(0);
checkFrameCount(6);
}
[Test]
public void TestSingleFrameJump()
{
seekManualTo(0);
createStabilityContainer();
seekManualTo(8);
confirmSeek(8);
checkFrameCount(1);
seekManualTo(16);
confirmSeek(16);
checkFrameCount(2);
}
[Test]
public void TestInitialSeek()
{
seekManualTo(100000);
createStabilityContainer();
confirmSeek(100000);
checkFrameCount(0);
}
private void createStabilityContainer() => AddStep("create container", () => mainContainer.Child = new FrameStabilityContainer().WithChild(consumer = new ClockConsumingChild()));
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}";
}
}
}
}

15
osu.Game/Rulesets/UI/FrameStabilityContainer.cs
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@ -68,6 +68,8 @@ namespace osu.Game.Rulesets.UI
private const double sixty_frame_time = 1000.0 / 60;
private bool firstConsumption = true;
public override bool UpdateSubTree()
{
requireMoreUpdateLoops = true;
@ -103,7 +105,18 @@ namespace osu.Game.Rulesets.UI
try
{
if (Math.Abs(manualClock.CurrentTime - newProposedTime) > sixty_frame_time * 1.2f)
if (firstConsumption)
{
// On the first update, frame-stability seeking would result in unexpected/unwanted behaviour.
// Instead we perform an initial seek to the proposed time.
manualClock.CurrentTime = newProposedTime;
// do a second process to clear out ElapsedTime
framedClock.ProcessFrame();
firstConsumption = false;
}
else if (Math.Abs(manualClock.CurrentTime - newProposedTime) > sixty_frame_time * 1.2f)
{
newProposedTime = newProposedTime > manualClock.CurrentTime
? Math.Min(newProposedTime, manualClock.CurrentTime + sixty_frame_time)