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Code Issues Releases Wiki Activity

Implement disjoint (old style) cursor trail (#6046)

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Implement disjoint (old style) cursor trail

Co-authored-by: Dean Herbert <pe@ppy.sh>
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Dean Herbert 2019-09-11 14:49:57 +09:00 committed by GitHub
commit d571ad4a0b
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6 changed files with 274 additions and 27 deletions
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128
osu.Game.Rulesets.Osu.Tests/TestSceneCursorTrail.cs Normal file
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@ -0,0 +1,128 @@
// 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 NUnit.Framework;
using osu.Framework.Allocation;
using osu.Framework.Audio.Sample;
using osu.Framework.Bindables;
using osu.Framework.Graphics;
using osu.Framework.Graphics.Containers;
using osu.Framework.Graphics.Textures;
using osu.Framework.Testing.Input;
using osu.Game.Audio;
using osu.Game.Rulesets.Osu.Skinning;
using osu.Game.Rulesets.Osu.UI.Cursor;
using osu.Game.Skinning;
using osu.Game.Tests.Visual;
using osuTK;
namespace osu.Game.Rulesets.Osu.Tests
{
public class TestSceneCursorTrail : OsuTestScene
{
[Test]
public void TestSmoothCursorTrail()
{
Container scalingContainer = null;
createTest(() => scalingContainer = new Container
{
RelativeSizeAxes = Axes.Both,
Child = new CursorTrail()
});
AddStep("set large scale", () => scalingContainer.Scale = new Vector2(10));
}
[Test]
public void TestLegacySmoothCursorTrail()
{
createTest(() => new LegacySkinContainer(false)
{
Child = new LegacyCursorTrail()
});
}
[Test]
public void TestLegacyDisjointCursorTrail()
{
createTest(() => new LegacySkinContainer(true)
{
Child = new LegacyCursorTrail()
});
}
private void createTest(Func<Drawable> createContent) => AddStep("create trail", () =>
{
Clear();
Add(new Container
{
RelativeSizeAxes = Axes.Both,
Size = new Vector2(0.8f),
Child = new MovingCursorInputManager { Child = createContent?.Invoke() }
});
});
[Cached(typeof(ISkinSource))]
private class LegacySkinContainer : Container, ISkinSource
{
private readonly bool disjoint;
public LegacySkinContainer(bool disjoint)
{
this.disjoint = disjoint;
RelativeSizeAxes = Axes.Both;
}
public Drawable GetDrawableComponent(ISkinComponent component) => throw new NotImplementedException();
public Texture GetTexture(string componentName)
{
switch (componentName)
{
case "cursortrail":
var tex = new Texture(Texture.WhitePixel.TextureGL);
if (disjoint)
tex.ScaleAdjust = 1 / 25f;
return tex;
case "cursormiddle":
return disjoint ? null : Texture.WhitePixel;
}
return null;
}
public SampleChannel GetSample(ISampleInfo sampleInfo) => throw new NotImplementedException();
public IBindable<TValue> GetConfig<TLookup, TValue>(TLookup lookup) => throw new NotImplementedException();
public event Action SourceChanged;
}
private class MovingCursorInputManager : ManualInputManager
{
public MovingCursorInputManager()
{
UseParentInput = false;
}
protected override void Update()
{
base.Update();
const double spin_duration = 1000;
double currentTime = Time.Current;
double angle = (currentTime % spin_duration) / spin_duration * 2 * Math.PI;
Vector2 rPos = new Vector2((float)Math.Cos(angle), (float)Math.Sin(angle));
MoveMouseTo(ToScreenSpace(DrawSize / 2 + DrawSize / 3 * rPos));
}
}
}
}

1
osu.Game.Rulesets.Osu/OsuSkinComponents.cs
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@ -8,6 +8,7 @@ namespace osu.Game.Rulesets.Osu
HitCircle,
FollowPoint,
Cursor,
CursorTrail,
SliderScorePoint,
ApproachCircle,
ReverseArrow,

55
osu.Game.Rulesets.Osu/Skinning/LegacyCursorTrail.cs Normal file
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@ -0,0 +1,55 @@
// 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 osu.Framework.Allocation;
using osu.Framework.Graphics;
using osu.Framework.Input.Events;
using osu.Game.Rulesets.Osu.UI.Cursor;
using osu.Game.Skinning;
namespace osu.Game.Rulesets.Osu.Skinning
{
public class LegacyCursorTrail : CursorTrail
{
private const double disjoint_trail_time_separation = 1000 / 60.0;
private bool disjointTrail;
private double lastTrailTime;
public LegacyCursorTrail()
{
Blending = BlendingParameters.Additive;
}
[BackgroundDependencyLoader]
private void load(ISkinSource skin)
{
Texture = skin.GetTexture("cursortrail");
disjointTrail = skin.GetTexture("cursormiddle") == null;
if (Texture != null)
{
// stable "magic ratio". see OsuPlayfieldAdjustmentContainer for full explanation.
Texture.ScaleAdjust *= 1.6f;
}
}
protected override double FadeDuration => disjointTrail ? 150 : 500;
protected override bool InterpolateMovements => !disjointTrail;
protected override bool OnMouseMove(MouseMoveEvent e)
{
if (!disjointTrail)
return base.OnMouseMove(e);
if (Time.Current - lastTrailTime >= disjoint_trail_time_separation)
{
lastTrailTime = Time.Current;
return base.OnMouseMove(e);
}
return false;
}
}
}

6
osu.Game.Rulesets.Osu/Skinning/OsuLegacySkinTransformer.cs
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@ -78,6 +78,12 @@ namespace osu.Game.Rulesets.Osu.Skinning
return null;
case OsuSkinComponents.CursorTrail:
if (source.GetTexture("cursortrail") != null)
return new LegacyCursorTrail();
return null;
case OsuSkinComponents.HitCircleText:
var font = GetConfig<OsuSkinConfiguration, string>(OsuSkinConfiguration.HitCirclePrefix)?.Value ?? "default";
var overlap = GetConfig<OsuSkinConfiguration, float>(OsuSkinConfiguration.HitCircleOverlap)?.Value ?? 0;

91
osu.Game.Rulesets.Osu/UI/Cursor/CursorTrail.cs
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@ -5,6 +5,7 @@ using System;
using System.Diagnostics;
using System.Runtime.InteropServices;
using osu.Framework.Allocation;
using osu.Framework.Caching;
using osu.Framework.Graphics;
using osu.Framework.Graphics.Batches;
using osu.Framework.Graphics.OpenGL.Vertices;
@ -20,14 +21,13 @@ using osuTK.Graphics.ES30;
namespace osu.Game.Rulesets.Osu.UI.Cursor
{
internal class CursorTrail : Drawable, IRequireHighFrequencyMousePosition
public class CursorTrail : Drawable, IRequireHighFrequencyMousePosition
{
private const int max_sprites = 2048;
private readonly TrailPart[] parts = new TrailPart[max_sprites];
private int currentIndex;
private IShader shader;
private Texture texture;
private double timeOffset;
private float time;
@ -47,11 +47,9 @@ namespace osu.Game.Rulesets.Osu.UI.Cursor
}
[BackgroundDependencyLoader]
private void load(ShaderManager shaders, TextureStore textures)
private void load(ShaderManager shaders)
{
shader = shaders.Load(@"CursorTrail", FragmentShaderDescriptor.TEXTURE);
texture = textures.Get(@"Cursor/cursortrail");
Scale = new Vector2(1 / texture.ScaleAdjust);
}
protected override void LoadComplete()
@ -60,6 +58,40 @@ namespace osu.Game.Rulesets.Osu.UI.Cursor
resetTime();
}
private Texture texture = Texture.WhitePixel;
public Texture Texture
{
get => texture;
set
{
if (texture == value)
return;
texture = value;
Invalidate(Invalidation.DrawNode);
}
}
private readonly Cached<Vector2> partSizeCache = new Cached<Vector2>();
private Vector2 partSize => partSizeCache.IsValid
? partSizeCache.Value
: (partSizeCache.Value = new Vector2(Texture.DisplayWidth, Texture.DisplayHeight) * DrawInfo.Matrix.ExtractScale().Xy);
public override bool Invalidate(Invalidation invalidation = Invalidation.All, Drawable source = null, bool shallPropagate = true)
{
if ((invalidation & (Invalidation.DrawInfo | Invalidation.RequiredParentSizeToFit | Invalidation.Presence)) > 0)
partSizeCache.Invalidate();
return base.Invalidate(invalidation, source, shallPropagate);
}
/// <summary>
/// The amount of time to fade the cursor trail pieces.
/// </summary>
protected virtual double FadeDuration => 300;
public override bool IsPresent => true;
protected override void Update()
@ -70,7 +102,7 @@ namespace osu.Game.Rulesets.Osu.UI.Cursor
const int fade_clock_reset_threshold = 1000000;
time = (float)(Time.Current - timeOffset) / 300f;
time = (float)((Time.Current - timeOffset) / FadeDuration);
if (time > fade_clock_reset_threshold)
resetTime();
}
@ -87,7 +119,10 @@ namespace osu.Game.Rulesets.Osu.UI.Cursor
timeOffset = Time.Current;
}
private Vector2 size => texture.Size * Scale;
/// <summary>
/// Whether to interpolate mouse movements and add trail pieces at intermediate points.
/// </summary>
protected virtual bool InterpolateMovements => true;
private Vector2? lastPosition;
private readonly InputResampler resampler = new InputResampler();
@ -109,29 +144,41 @@ namespace osu.Game.Rulesets.Osu.UI.Cursor
{
Trace.Assert(lastPosition.HasValue);
// ReSharper disable once PossibleInvalidOperationException
Vector2 pos1 = lastPosition.Value;
Vector2 diff = pos2 - pos1;
float distance = diff.Length;
Vector2 direction = diff / distance;
float interval = size.X / 2 * 0.9f;
for (float d = interval; d < distance; d += interval)
if (InterpolateMovements)
{
lastPosition = pos1 + direction * d;
// ReSharper disable once PossibleInvalidOperationException
Vector2 pos1 = lastPosition.Value;
Vector2 diff = pos2 - pos1;
float distance = diff.Length;
Vector2 direction = diff / distance;
parts[currentIndex].Position = lastPosition.Value;
parts[currentIndex].Time = time;
++parts[currentIndex].InvalidationID;
float interval = partSize.X / 2.5f;
currentIndex = (currentIndex + 1) % max_sprites;
for (float d = interval; d < distance; d += interval)
{
lastPosition = pos1 + direction * d;
addPart(lastPosition.Value);
}
}
else
{
lastPosition = pos2;
addPart(lastPosition.Value);
}
}
return base.OnMouseMove(e);
}
private void addPart(Vector2 screenSpacePosition)
{
parts[currentIndex].Position = screenSpacePosition;
parts[currentIndex].Time = time;
++parts[currentIndex].InvalidationID;
currentIndex = (currentIndex + 1) % max_sprites;
}
protected override DrawNode CreateDrawNode() => new TrailDrawNode(this);
private struct TrailPart
@ -168,7 +215,7 @@ namespace osu.Game.Rulesets.Osu.UI.Cursor
shader = Source.shader;
texture = Source.texture;
size = Source.size;
size = Source.partSize;
time = Source.time;
for (int i = 0; i < Source.parts.Length; ++i)

20
osu.Game.Rulesets.Osu/UI/Cursor/OsuCursorContainer.cs
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@ -6,9 +6,12 @@ using osu.Framework.Allocation;
using osu.Framework.Bindables;
using osu.Framework.Graphics;
using osu.Framework.Graphics.Containers;
using osu.Framework.Graphics.Textures;
using osu.Framework.Input.Bindings;
using osu.Game.Rulesets.Osu.Configuration;
using osu.Game.Rulesets.UI;
using osu.Game.Skinning;
using osuTK;
namespace osu.Game.Rulesets.Osu.UI.Cursor
{
@ -22,17 +25,14 @@ namespace osu.Game.Rulesets.Osu.UI.Cursor
private readonly Bindable<bool> showTrail = new Bindable<bool>(true);
private readonly CursorTrail cursorTrail;
private readonly Drawable cursorTrail;
public OsuCursorContainer()
{
InternalChild = fadeContainer = new Container
{
RelativeSizeAxes = Axes.Both,
Children = new Drawable[]
{
cursorTrail = new CursorTrail { Depth = 1 }
}
Child = cursorTrail = new SkinnableDrawable(new OsuSkinComponent(OsuSkinComponents.CursorTrail), _ => new DefaultCursorTrail(), confineMode: ConfineMode.NoScaling)
};
}
@ -98,5 +98,15 @@ namespace osu.Game.Rulesets.Osu.UI.Cursor
fadeContainer.FadeTo(0.05f, 450, Easing.OutQuint);
ActiveCursor.ScaleTo(0.8f, 450, Easing.OutQuint);
}
private class DefaultCursorTrail : CursorTrail
{
[BackgroundDependencyLoader]
private void load(TextureStore textures)
{
Texture = textures.Get(@"Cursor/cursortrail");
Scale = new Vector2(1 / Texture.ScaleAdjust);
}
}
}
}