Merge remote-tracking branch 'upstream/master' into add-adjustment-function-for-skinnable-sound

osu.Android.props

@@ -60,7 +60,7 @@
     <Reference Include="Java.Interop" />
   </ItemGroup>
   <ItemGroup>
-    <PackageReference Include="ppy.osu.Game.Resources" Version="2019.809.0" />
-    <PackageReference Include="ppy.osu.Framework.Android" Version="2019.816.0" />
+    <PackageReference Include="ppy.osu.Game.Resources" Version="2019.823.0" />
+    <PackageReference Include="ppy.osu.Framework.Android" Version="2019.828.0" />
   </ItemGroup>
 </Project>

osu.Game.Rulesets.Catch.Tests/TestSceneCatcher.cs

@@ -15,6 +15,7 @@ using osu.Framework.Graphics.Sprites;
 using osuTK.Graphics;
 using osu.Framework.Audio.Sample;
 using osu.Framework.Graphics.Textures;
+using osu.Game.Audio;
 
 namespace osu.Game.Rulesets.Catch.Tests
 {
@@ -92,7 +93,7 @@ namespace osu.Game.Rulesets.Catch.Tests
                 return null;
             }
 
-            public SampleChannel GetSample(string sampleName) =>
+            public SampleChannel GetSample(ISampleInfo sampleInfo) =>
                 throw new NotImplementedException();
 
             public Texture GetTexture(string componentName) =>

osu.Game.Rulesets.Catch.Tests/osu.Game.Rulesets.Catch.Tests.csproj

@@ -4,7 +4,7 @@
     <PackageReference Include="Appveyor.TestLogger" Version="2.0.0" />
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="16.2.0" />
     <PackageReference Include="NUnit" Version="3.12.0" />
-    <PackageReference Include="NUnit3TestAdapter" Version="3.14.0" />
+    <PackageReference Include="NUnit3TestAdapter" Version="3.15.0" />
     <PackageReference Update="Microsoft.EntityFrameworkCore.Sqlite" Version="2.1.4" />
   </ItemGroup>
   <PropertyGroup Label="Project">

osu.Game.Rulesets.Catch/Objects/Drawable/DrawableCatchHitObject.cs

@@ -58,14 +58,12 @@ namespace osu.Game.Rulesets.Catch.Objects.Drawable
                 ApplyResult(r => r.Type = CheckPosition.Invoke(HitObject) ? HitResult.Perfect : HitResult.Miss);
         }
 
-        protected override bool UseTransformStateManagement => false;
+        protected sealed override double InitialLifetimeOffset => HitObject.TimePreempt;
 
-        protected override void UpdateState(ArmedState state)
+        protected override void UpdateInitialTransforms() => this.FadeIn(200);
+
+        protected override void UpdateStateTransforms(ArmedState state)
         {
-            // TODO: update to use new state management.
-            using (BeginAbsoluteSequence(HitObject.StartTime - HitObject.TimePreempt))
-                this.FadeIn(200);
-
             var endTime = (HitObject as IHasEndTime)?.EndTime ?? HitObject.StartTime;
 
             using (BeginAbsoluteSequence(endTime, true))

osu.Game.Rulesets.Catch/Objects/Drawable/DrawableFruit.cs

@@ -81,7 +81,7 @@ namespace osu.Game.Rulesets.Catch.Objects.Drawable
                     Anchor = Anchor.Centre,
                     Origin = Anchor.Centre,
                     AccentColour = Color4.Red,
-                    Blending = BlendingMode.Additive,
+                    Blending = BlendingParameters.Additive,
                     Alpha = 0.5f,
                     Scale = new Vector2(1.333f)
                 });

osu.Game.Rulesets.Catch/Objects/Drawable/Pieces/Pulp.cs

@@ -18,7 +18,7 @@ namespace osu.Game.Rulesets.Catch.Objects.Drawable.Pieces
             Anchor = Anchor.Centre;
             Origin = Anchor.Centre;
 
-            Blending = BlendingMode.Additive;
+            Blending = BlendingParameters.Additive;
             Colour = Color4.White.Opacity(0.9f);
         }
 

osu.Game.Rulesets.Catch/UI/CatcherArea.cs

@@ -53,7 +53,7 @@ namespace osu.Game.Rulesets.Catch.UI
                 if (lastPlateableFruit == null)
                     return;
 
-                // this is required to make this run after the last caught fruit runs UpdateState at least once.
+                // this is required to make this run after the last caught fruit runs updateState() at least once.
                 // TODO: find a better alternative
                 if (lastPlateableFruit.IsLoaded)
                     action();
@@ -201,7 +201,7 @@ namespace osu.Game.Rulesets.Catch.UI
                 additive.Scale = Scale;
                 additive.Colour = HyperDashing ? Color4.Red : Color4.White;
                 additive.RelativePositionAxes = RelativePositionAxes;
-                additive.Blending = BlendingMode.Additive;
+                additive.Blending = BlendingParameters.Additive;
 
                 AdditiveTarget.Add(additive);
 

osu.Game.Rulesets.Mania.Tests/osu.Game.Rulesets.Mania.Tests.csproj

@@ -4,7 +4,7 @@
     <PackageReference Include="Appveyor.TestLogger" Version="2.0.0" />
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="16.2.0" />
     <PackageReference Include="NUnit" Version="3.12.0" />
-    <PackageReference Include="NUnit3TestAdapter" Version="3.14.0" />
+    <PackageReference Include="NUnit3TestAdapter" Version="3.15.0" />
     <PackageReference Update="Microsoft.EntityFrameworkCore.Sqlite" Version="2.1.4" />
   </ItemGroup>
   <PropertyGroup Label="Project">

osu.Game.Rulesets.Mania/Objects/Drawables/DrawableBarLine.cs

@@ -69,7 +69,7 @@ namespace osu.Game.Rulesets.Mania.Objects.Drawables
                 Alpha = 0.2f;
         }
 
-        protected override void UpdateState(ArmedState state)
+        protected override void UpdateStateTransforms(ArmedState state)
         {
         }
     }

osu.Game.Rulesets.Mania/Objects/Drawables/DrawableHoldNote.cs

@@ -8,6 +8,7 @@ using osu.Framework.Graphics;
 using osu.Game.Rulesets.Mania.Objects.Drawables.Pieces;
 using osu.Framework.Graphics.Containers;
 using osu.Framework.Input.Bindings;
+using osu.Game.Rulesets.Objects.Drawables;
 using osu.Game.Rulesets.Scoring;
 using osu.Game.Rulesets.UI.Scrolling;
 
@@ -104,6 +105,12 @@ namespace osu.Game.Rulesets.Mania.Objects.Drawables
             bodyPiece.Height = DrawHeight - Head.Height / 2 + Tail.Height / 2;
         }
 
+        protected override void UpdateStateTransforms(ArmedState state)
+        {
+            using (BeginDelayedSequence(HitObject.Duration, true))
+                base.UpdateStateTransforms(state);
+        }
+
         protected void BeginHold()
         {
             holdStartTime = Time.Current;

osu.Game.Rulesets.Mania/Objects/Drawables/DrawableManiaHitObject.cs

@@ -45,24 +45,11 @@ namespace osu.Game.Rulesets.Mania.Objects.Drawables
         {
             Anchor = Origin = e.NewValue == ScrollingDirection.Up ? Anchor.TopCentre : Anchor.BottomCentre;
         }
-    }
 
-    public abstract class DrawableManiaHitObject<TObject> : DrawableManiaHitObject
-        where TObject : ManiaHitObject
-    {
-        public new readonly TObject HitObject;
+        protected override void UpdateInitialTransforms() => this.FadeIn();
 
-        protected DrawableManiaHitObject(TObject hitObject)
-            : base(hitObject)
+        protected override void UpdateStateTransforms(ArmedState state)
         {
-            HitObject = hitObject;
-        }
-
-        protected override bool UseTransformStateManagement => false;
-
-        protected override void UpdateState(ArmedState state)
-        {
-            // TODO: update to use new state management.
             switch (state)
             {
                 case ArmedState.Miss:
@@ -75,4 +62,16 @@ namespace osu.Game.Rulesets.Mania.Objects.Drawables
             }
         }
     }
+
+    public abstract class DrawableManiaHitObject<TObject> : DrawableManiaHitObject
+        where TObject : ManiaHitObject
+    {
+        public new readonly TObject HitObject;
+
+        protected DrawableManiaHitObject(TObject hitObject)
+            : base(hitObject)
+        {
+            HitObject = hitObject;
+        }
+    }
 }

osu.Game.Rulesets.Mania/Objects/Drawables/Pieces/BodyPiece.cs

@@ -26,14 +26,14 @@ namespace osu.Game.Rulesets.Mania.Objects.Drawables.Pieces
 
         public BodyPiece()
         {
-            Blending = BlendingMode.Additive;
+            Blending = BlendingParameters.Additive;
 
             Children = new[]
             {
                 Background = new Box { RelativeSizeAxes = Axes.Both },
                 Foreground = new BufferedContainer
                 {
-                    Blending = BlendingMode.Additive,
+                    Blending = BlendingParameters.Additive,
                     RelativeSizeAxes = Axes.Both,
                     CacheDrawnFrameBuffer = true,
                     Children = new Drawable[]

osu.Game.Rulesets.Mania/Objects/Drawables/Pieces/LaneGlowPiece.cs

@@ -61,7 +61,7 @@ namespace osu.Game.Rulesets.Mania.Objects.Drawables.Pieces
                 Name = "Top",
                 RelativeSizeAxes = Axes.Both,
                 Height = 0.5f,
-                Blending = BlendingMode.Additive,
+                Blending = BlendingParameters.Additive,
                 Colour = ColourInfo.GradientVertical(Color4.Transparent, Color4.White.Opacity(alpha))
             },
             new Box
@@ -71,7 +71,7 @@ namespace osu.Game.Rulesets.Mania.Objects.Drawables.Pieces
                 Origin = Anchor.BottomLeft,
                 RelativeSizeAxes = Axes.Both,
                 Height = 0.5f,
-                Blending = BlendingMode.Additive,
+                Blending = BlendingParameters.Additive,
                 Colour = ColourInfo.GradientVertical(Color4.White.Opacity(alpha), Color4.Transparent)
             }
         };

osu.Game.Rulesets.Mania/Replays/ManiaAutoGenerator.cs

@@ -5,6 +5,7 @@ using System.Collections.Generic;
 using System.Linq;
 using osu.Game.Replays;
 using osu.Game.Rulesets.Mania.Beatmaps;
+using osu.Game.Rulesets.Objects;
 using osu.Game.Rulesets.Objects.Types;
 using osu.Game.Rulesets.Replays;
 
@@ -77,13 +78,37 @@ namespace osu.Game.Rulesets.Mania.Replays
 
         private IEnumerable<IActionPoint> generateActionPoints()
         {
-            foreach (var obj in Beatmap.HitObjects)
+            for (int i = 0; i < Beatmap.HitObjects.Count; i++)
             {
-                yield return new HitPoint { Time = obj.StartTime, Column = obj.Column };
-                yield return new ReleasePoint { Time = ((obj as IHasEndTime)?.EndTime ?? obj.StartTime) + RELEASE_DELAY, Column = obj.Column };
+                var currentObject = Beatmap.HitObjects[i];
+                var nextObjectInColumn = GetNextObject(i); // Get the next object that requires pressing the same button
+
+                double endTime = (currentObject as IHasEndTime)?.EndTime ?? currentObject.StartTime;
+
+                bool canDelayKeyUp = nextObjectInColumn == null ||
+                                     nextObjectInColumn.StartTime > endTime + RELEASE_DELAY;
+
+                double calculatedDelay = canDelayKeyUp ? RELEASE_DELAY : (nextObjectInColumn.StartTime - endTime) * 0.9;
+
+                yield return new HitPoint { Time = currentObject.StartTime, Column = currentObject.Column };
+
+                yield return new ReleasePoint { Time = endTime + calculatedDelay, Column = currentObject.Column };
             }
         }
 
+        protected override HitObject GetNextObject(int currentIndex)
+        {
+            int desiredColumn = Beatmap.HitObjects[currentIndex].Column;
+
+            for (int i = currentIndex + 1; i < Beatmap.HitObjects.Count; i++)
+            {
+                if (Beatmap.HitObjects[i].Column == desiredColumn)
+                    return Beatmap.HitObjects[i];
+            }
+
+            return null;
+        }
+
         private interface IActionPoint
         {
             double Time { get; set; }

osu.Game.Rulesets.Mania/UI/Components/ColumnBackground.cs

@@ -42,7 +42,7 @@ namespace osu.Game.Rulesets.Mania.UI.Components
                     Name = "Background Gradient Overlay",
                     RelativeSizeAxes = Axes.Both,
                     Height = 0.5f,
-                    Blending = BlendingMode.Additive,
+                    Blending = BlendingParameters.Additive,
                     Alpha = 0
                 }
             };

osu.Game.Rulesets.Osu.Tests/SkinnableTestScene.cs

@@ -2,12 +2,12 @@
 // See the LICENCE file in the repository root for full licence text.
 
 using System;
-using System.IO;
-using System.Linq;
+using System.Text.RegularExpressions;
 using osu.Framework.Allocation;
 using osu.Framework.Audio;
 using osu.Framework.Graphics;
 using osu.Framework.Graphics.Containers;
+using osu.Framework.Graphics.Textures;
 using osu.Framework.IO.Stores;
 using osu.Game.Skinning;
 using osu.Game.Tests.Visual;
@@ -28,11 +28,11 @@ namespace osu.Game.Rulesets.Osu.Tests
         [BackgroundDependencyLoader]
         private void load(AudioManager audio)
         {
-            var skins = new SkinManager(LocalStorage, ContextFactory, null, audio);
+            var dllStore = new DllResourceStore("osu.Game.Rulesets.Osu.Tests.dll");
 
-            metricsSkin = getSkinFromResources(skins, "metrics_skin");
-            defaultSkin = getSkinFromResources(skins, "default_skin");
-            specialSkin = getSkinFromResources(skins, "special_skin");
+            metricsSkin = new TestLegacySkin(new SkinInfo(), new NamespacedResourceStore<byte[]>(dllStore, "Resources/metrics_skin"), audio, true);
+            defaultSkin = new TestLegacySkin(new SkinInfo(), new NamespacedResourceStore<byte[]>(dllStore, "Resources/default_skin"), audio, false);
+            specialSkin = new TestLegacySkin(new SkinInfo(), new NamespacedResourceStore<byte[]>(dllStore, "Resources/special_skin"), audio, true);
         }
 
         public void SetContents(Func<Drawable> creationFunction)
@@ -43,23 +43,28 @@ namespace osu.Game.Rulesets.Osu.Tests
             Cell(3).Child = new LocalSkinOverrideContainer(specialSkin) { RelativeSizeAxes = Axes.Both }.WithChild(creationFunction());
         }
 
-        private static Skin getSkinFromResources(SkinManager skins, string name)
+        private class TestLegacySkin : LegacySkin
         {
-            using (var storage = new DllResourceStore("osu.Game.Rulesets.Osu.Tests.dll"))
+            private readonly bool extrapolateAnimations;
+
+            public TestLegacySkin(SkinInfo skin, IResourceStore<byte[]> storage, AudioManager audioManager, bool extrapolateAnimations)
+                : base(skin, storage, audioManager, "skin.ini")
             {
-                var tempName = Path.GetTempFileName();
+                this.extrapolateAnimations = extrapolateAnimations;
+            }
 
-                File.Delete(tempName);
-                Directory.CreateDirectory(tempName);
+            public override Texture GetTexture(string componentName)
+            {
+                // extrapolate frames to test longer animations
+                if (extrapolateAnimations)
+                {
+                    var match = Regex.Match(componentName, "-([0-9]*)");
 
-                var files = storage.GetAvailableResources().Where(f => f.StartsWith($"Resources/{name}"));
+                    if (match.Length > 0 && int.TryParse(match.Groups[1].Value, out var number) && number < 60)
+                        return base.GetTexture(componentName.Replace($"-{number}", $"-{number % 2}"));
+                }
 
-                foreach (var file in files)
-                    using (var stream = storage.GetStream(file))
-                    using (var newFile = File.Create(Path.Combine(tempName, Path.GetFileName(file))))
-                        stream.CopyTo(newFile);
-
-                return skins.GetSkin(skins.Import(tempName).Result);
+                return base.GetTexture(componentName);
             }
         }
     }

osu.Game.Rulesets.Osu.Tests/TestSceneDrawableJudgement.cs

@@ -0,0 +1,34 @@
+// 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.Collections.Generic;
+using System.Linq;
+using osu.Framework.Extensions;
+using osu.Framework.Graphics;
+using osu.Game.Rulesets.Judgements;
+using osu.Game.Rulesets.Osu.Objects.Drawables;
+using osu.Game.Rulesets.Scoring;
+
+namespace osu.Game.Rulesets.Osu.Tests
+{
+    public class TestSceneDrawableJudgement : SkinnableTestScene
+    {
+        public override IReadOnlyList<Type> RequiredTypes => new[]
+        {
+            typeof(DrawableJudgement),
+            typeof(DrawableOsuJudgement)
+        };
+
+        public TestSceneDrawableJudgement()
+        {
+            foreach (HitResult result in Enum.GetValues(typeof(HitResult)).OfType<HitResult>().Skip(1))
+                AddStep("Show " + result.GetDescription(), () => SetContents(() =>
+                    new DrawableOsuJudgement(new JudgementResult(null) { Type = result }, null)
+                    {
+                        Anchor = Anchor.Centre,
+                        Origin = Anchor.Centre,
+                    }));
+        }
+    }
+}

osu.Game.Rulesets.Osu.Tests/TestSceneSlider.cs

@@ -10,7 +10,6 @@ using osu.Game.Beatmaps;
 using osu.Game.Beatmaps.ControlPoints;
 using osu.Game.Rulesets.Osu.Objects;
 using osu.Game.Rulesets.Osu.Objects.Drawables;
-using osu.Game.Tests.Visual;
 using osuTK;
 using osuTK.Graphics;
 using osu.Game.Rulesets.Mods;
@@ -27,83 +26,96 @@ using osu.Game.Rulesets.Osu.Objects.Drawables.Pieces;
 namespace osu.Game.Rulesets.Osu.Tests
 {
     [TestFixture]
-    public class TestSceneSlider : OsuTestScene
+    public class TestSceneSlider : SkinnableTestScene
     {
         public override IReadOnlyList<Type> RequiredTypes => new[]
         {
+            typeof(Slider),
+            typeof(SliderTick),
+            typeof(SliderTailCircle),
             typeof(SliderBall),
             typeof(SliderBody),
-            typeof(SliderTick),
+            typeof(SnakingSliderBody),
             typeof(DrawableSlider),
             typeof(DrawableSliderTick),
+            typeof(DrawableSliderTail),
+            typeof(DrawableSliderHead),
             typeof(DrawableRepeatPoint),
             typeof(DrawableOsuHitObject)
         };
 
-        private readonly Container content;
-        protected override Container<Drawable> Content => content;
+        private Container content;
+
+        protected override Container<Drawable> Content
+        {
+            get
+            {
+                if (content == null)
+                    base.Content.Add(content = new OsuInputManager(new RulesetInfo { ID = 0 }));
+
+                return content;
+            }
+        }
 
         private int depthIndex;
 
         public TestSceneSlider()
         {
-            base.Content.Add(content = new OsuInputManager(new RulesetInfo { ID = 0 }));
+            AddStep("Big Single", () => SetContents(() => testSimpleBig()));
+            AddStep("Medium Single", () => SetContents(() => testSimpleMedium()));
+            AddStep("Small Single", () => SetContents(() => testSimpleSmall()));
+            AddStep("Big 1 Repeat", () => SetContents(() => testSimpleBig(1)));
+            AddStep("Medium 1 Repeat", () => SetContents(() => testSimpleMedium(1)));
+            AddStep("Small 1 Repeat", () => SetContents(() => testSimpleSmall(1)));
+            AddStep("Big 2 Repeats", () => SetContents(() => testSimpleBig(2)));
+            AddStep("Medium 2 Repeats", () => SetContents(() => testSimpleMedium(2)));
+            AddStep("Small 2 Repeats", () => SetContents(() => testSimpleSmall(2)));
 
-            AddStep("Big Single", () => testSimpleBig());
-            AddStep("Medium Single", () => testSimpleMedium());
-            AddStep("Small Single", () => testSimpleSmall());
-            AddStep("Big 1 Repeat", () => testSimpleBig(1));
-            AddStep("Medium 1 Repeat", () => testSimpleMedium(1));
-            AddStep("Small 1 Repeat", () => testSimpleSmall(1));
-            AddStep("Big 2 Repeats", () => testSimpleBig(2));
-            AddStep("Medium 2 Repeats", () => testSimpleMedium(2));
-            AddStep("Small 2 Repeats", () => testSimpleSmall(2));
+            AddStep("Slow Slider", () => SetContents(testSlowSpeed)); // slow long sliders take ages already so no repeat steps
+            AddStep("Slow Short Slider", () => SetContents(() => testShortSlowSpeed()));
+            AddStep("Slow Short Slider 1 Repeats", () => SetContents(() => testShortSlowSpeed(1)));
+            AddStep("Slow Short Slider 2 Repeats", () => SetContents(() => testShortSlowSpeed(2)));
 
-            AddStep("Slow Slider", testSlowSpeed); // slow long sliders take ages already so no repeat steps
-            AddStep("Slow Short Slider", () => testShortSlowSpeed());
-            AddStep("Slow Short Slider 1 Repeats", () => testShortSlowSpeed(1));
-            AddStep("Slow Short Slider 2 Repeats", () => testShortSlowSpeed(2));
+            AddStep("Fast Slider", () => SetContents(() => testHighSpeed()));
+            AddStep("Fast Slider 1 Repeat", () => SetContents(() => testHighSpeed(1)));
+            AddStep("Fast Slider 2 Repeats", () => SetContents(() => testHighSpeed(2)));
+            AddStep("Fast Short Slider", () => SetContents(() => testShortHighSpeed()));
+            AddStep("Fast Short Slider 1 Repeat", () => SetContents(() => testShortHighSpeed(1)));
+            AddStep("Fast Short Slider 2 Repeats", () => SetContents(() => testShortHighSpeed(2)));
+            AddStep("Fast Short Slider 6 Repeats", () => SetContents(() => testShortHighSpeed(6)));
 
-            AddStep("Fast Slider", () => testHighSpeed());
-            AddStep("Fast Slider 1 Repeat", () => testHighSpeed(1));
-            AddStep("Fast Slider 2 Repeats", () => testHighSpeed(2));
-            AddStep("Fast Short Slider", () => testShortHighSpeed());
-            AddStep("Fast Short Slider 1 Repeat", () => testShortHighSpeed(1));
-            AddStep("Fast Short Slider 2 Repeats", () => testShortHighSpeed(2));
-            AddStep("Fast Short Slider 6 Repeats", () => testShortHighSpeed(6));
+            AddStep("Perfect Curve", () => SetContents(() => testPerfect()));
+            AddStep("Perfect Curve 1 Repeat", () => SetContents(() => testPerfect(1)));
+            AddStep("Perfect Curve 2 Repeats", () => SetContents(() => testPerfect(2)));
 
-            AddStep("Perfect Curve", () => testPerfect());
-            AddStep("Perfect Curve 1 Repeat", () => testPerfect(1));
-            AddStep("Perfect Curve 2 Repeats", () => testPerfect(2));
+            AddStep("Linear Slider", () => SetContents(() => testLinear()));
+            AddStep("Linear Slider 1 Repeat", () => SetContents(() => testLinear(1)));
+            AddStep("Linear Slider 2 Repeats", () => SetContents(() => testLinear(2)));
 
-            AddStep("Linear Slider", () => testLinear());
-            AddStep("Linear Slider 1 Repeat", () => testLinear(1));
-            AddStep("Linear Slider 2 Repeats", () => testLinear(2));
+            AddStep("Bezier Slider", () => SetContents(() => testBezier()));
+            AddStep("Bezier Slider 1 Repeat", () => SetContents(() => testBezier(1)));
+            AddStep("Bezier Slider 2 Repeats", () => SetContents(() => testBezier(2)));
 
-            AddStep("Bezier Slider", () => testBezier());
-            AddStep("Bezier Slider 1 Repeat", () => testBezier(1));
-            AddStep("Bezier Slider 2 Repeats", () => testBezier(2));
+            AddStep("Linear Overlapping", () => SetContents(() => testLinearOverlapping()));
+            AddStep("Linear Overlapping 1 Repeat", () => SetContents(() => testLinearOverlapping(1)));
+            AddStep("Linear Overlapping 2 Repeats", () => SetContents(() => testLinearOverlapping(2)));
 
-            AddStep("Linear Overlapping", () => testLinearOverlapping());
-            AddStep("Linear Overlapping 1 Repeat", () => testLinearOverlapping(1));
-            AddStep("Linear Overlapping 2 Repeats", () => testLinearOverlapping(2));
+            AddStep("Catmull Slider", () => SetContents(() => testCatmull()));
+            AddStep("Catmull Slider 1 Repeat", () => SetContents(() => testCatmull(1)));
+            AddStep("Catmull Slider 2 Repeats", () => SetContents(() => testCatmull(2)));
 
-            AddStep("Catmull Slider", () => testCatmull());
-            AddStep("Catmull Slider 1 Repeat", () => testCatmull(1));
-            AddStep("Catmull Slider 2 Repeats", () => testCatmull(2));
+            AddStep("Big Single, Large StackOffset", () => SetContents(() => testSimpleBigLargeStackOffset()));
+            AddStep("Big 1 Repeat, Large StackOffset", () => SetContents(() => testSimpleBigLargeStackOffset(1)));
 
-            AddStep("Big Single, Large StackOffset", () => testSimpleBigLargeStackOffset());
-            AddStep("Big 1 Repeat, Large StackOffset", () => testSimpleBigLargeStackOffset(1));
-
-            AddStep("Distance Overflow", () => testDistanceOverflow());
-            AddStep("Distance Overflow 1 Repeat", () => testDistanceOverflow(1));
+            AddStep("Distance Overflow", () => SetContents(() => testDistanceOverflow()));
+            AddStep("Distance Overflow 1 Repeat", () => SetContents(() => testDistanceOverflow(1)));
         }
 
-        private void testSimpleBig(int repeats = 0) => createSlider(2, repeats: repeats);
+        private Drawable testSimpleBig(int repeats = 0) => createSlider(2, repeats: repeats);
 
-        private void testSimpleBigLargeStackOffset(int repeats = 0) => createSlider(2, repeats: repeats, stackHeight: 10);
+        private Drawable testSimpleBigLargeStackOffset(int repeats = 0) => createSlider(2, repeats: repeats, stackHeight: 10);
 
-        private void testDistanceOverflow(int repeats = 0)
+        private Drawable testDistanceOverflow(int repeats = 0)
         {
             var slider = new Slider
             {
@@ -120,22 +132,22 @@ namespace osu.Game.Rulesets.Osu.Tests
                 StackHeight = 10
             };
 
-            addSlider(slider, 2, 2);
+            return createDrawable(slider, 2, 2);
         }
 
-        private void testSimpleMedium(int repeats = 0) => createSlider(5, repeats: repeats);
+        private Drawable testSimpleMedium(int repeats = 0) => createSlider(5, repeats: repeats);
 
-        private void testSimpleSmall(int repeats = 0) => createSlider(7, repeats: repeats);
+        private Drawable testSimpleSmall(int repeats = 0) => createSlider(7, repeats: repeats);
 
-        private void testSlowSpeed() => createSlider(speedMultiplier: 0.5);
+        private Drawable testSlowSpeed() => createSlider(speedMultiplier: 0.5);
 
-        private void testShortSlowSpeed(int repeats = 0) => createSlider(distance: 100, repeats: repeats, speedMultiplier: 0.5);
+        private Drawable testShortSlowSpeed(int repeats = 0) => createSlider(distance: 100, repeats: repeats, speedMultiplier: 0.5);
 
-        private void testHighSpeed(int repeats = 0) => createSlider(repeats: repeats, speedMultiplier: 15);
+        private Drawable testHighSpeed(int repeats = 0) => createSlider(repeats: repeats, speedMultiplier: 15);
 
-        private void testShortHighSpeed(int repeats = 0) => createSlider(distance: 100, repeats: repeats, speedMultiplier: 15);
+        private Drawable testShortHighSpeed(int repeats = 0) => createSlider(distance: 100, repeats: repeats, speedMultiplier: 15);
 
-        private void createSlider(float circleSize = 2, float distance = 400, int repeats = 0, double speedMultiplier = 2, int stackHeight = 0)
+        private Drawable createSlider(float circleSize = 2, float distance = 400, int repeats = 0, double speedMultiplier = 2, int stackHeight = 0)
         {
             var slider = new Slider
             {
@@ -151,10 +163,10 @@ namespace osu.Game.Rulesets.Osu.Tests
                 StackHeight = stackHeight
             };
 
-            addSlider(slider, circleSize, speedMultiplier);
+            return createDrawable(slider, circleSize, speedMultiplier);
         }
 
-        private void testPerfect(int repeats = 0)
+        private Drawable testPerfect(int repeats = 0)
         {
             var slider = new Slider
             {
@@ -170,12 +182,12 @@ namespace osu.Game.Rulesets.Osu.Tests
                 NodeSamples = createEmptySamples(repeats)
             };
 
-            addSlider(slider, 2, 3);
+            return createDrawable(slider, 2, 3);
         }
 
-        private void testLinear(int repeats = 0) => createLinear(repeats);
+        private Drawable testLinear(int repeats = 0) => createLinear(repeats);
 
-        private void createLinear(int repeats)
+        private Drawable createLinear(int repeats)
         {
             var slider = new Slider
             {
@@ -194,12 +206,12 @@ namespace osu.Game.Rulesets.Osu.Tests
                 NodeSamples = createEmptySamples(repeats)
             };
 
-            addSlider(slider, 2, 3);
+            return createDrawable(slider, 2, 3);
         }
 
-        private void testBezier(int repeats = 0) => createBezier(repeats);
+        private Drawable testBezier(int repeats = 0) => createBezier(repeats);
 
-        private void createBezier(int repeats)
+        private Drawable createBezier(int repeats)
         {
             var slider = new Slider
             {
@@ -217,12 +229,12 @@ namespace osu.Game.Rulesets.Osu.Tests
                 NodeSamples = createEmptySamples(repeats)
             };
 
-            addSlider(slider, 2, 3);
+            return createDrawable(slider, 2, 3);
         }
 
-        private void testLinearOverlapping(int repeats = 0) => createOverlapping(repeats);
+        private Drawable testLinearOverlapping(int repeats = 0) => createOverlapping(repeats);
 
-        private void createOverlapping(int repeats)
+        private Drawable createOverlapping(int repeats)
         {
             var slider = new Slider
             {
@@ -241,12 +253,12 @@ namespace osu.Game.Rulesets.Osu.Tests
                 NodeSamples = createEmptySamples(repeats)
             };
 
-            addSlider(slider, 2, 3);
+            return createDrawable(slider, 2, 3);
         }
 
-        private void testCatmull(int repeats = 0) => createCatmull(repeats);
+        private Drawable testCatmull(int repeats = 0) => createCatmull(repeats);
 
-        private void createCatmull(int repeats = 0)
+        private Drawable createCatmull(int repeats = 0)
         {
             var repeatSamples = new List<List<HitSampleInfo>>();
             for (int i = 0; i < repeats; i++)
@@ -267,7 +279,7 @@ namespace osu.Game.Rulesets.Osu.Tests
                 NodeSamples = repeatSamples
             };
 
-            addSlider(slider, 3, 1);
+            return createDrawable(slider, 3, 1);
         }
 
         private List<List<HitSampleInfo>> createEmptySamples(int repeats)
@@ -278,7 +290,7 @@ namespace osu.Game.Rulesets.Osu.Tests
             return repeatSamples;
         }
 
-        private void addSlider(Slider slider, float circleSize, double speedMultiplier)
+        private Drawable createDrawable(Slider slider, float circleSize, double speedMultiplier)
         {
             var cpi = new ControlPointInfo();
             cpi.DifficultyPoints.Add(new DifficultyControlPoint { SpeedMultiplier = speedMultiplier });
@@ -296,7 +308,7 @@ namespace osu.Game.Rulesets.Osu.Tests
 
             drawable.OnNewResult += onNewResult;
 
-            Add(drawable);
+            return drawable;
         }
 
         private float judgementOffsetDirection = 1;

osu.Game.Rulesets.Osu.Tests/osu.Game.Rulesets.Osu.Tests.csproj

@@ -4,7 +4,7 @@
     <PackageReference Include="Appveyor.TestLogger" Version="2.0.0" />
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="16.2.0" />
     <PackageReference Include="NUnit" Version="3.12.0" />
-    <PackageReference Include="NUnit3TestAdapter" Version="3.14.0" />
+    <PackageReference Include="NUnit3TestAdapter" Version="3.15.0" />
     <PackageReference Update="Microsoft.EntityFrameworkCore.Sqlite" Version="2.1.4" />
   </ItemGroup>
   <PropertyGroup Label="Project">

osu.Game.Rulesets.Osu/Objects/Drawables/Connections/FollowPoint.cs

@@ -36,7 +36,7 @@ namespace osu.Game.Rulesets.Osu.Objects.Drawables.Connections
                 Child = new Box
                 {
                     Size = new Vector2(width),
-                    Blending = BlendingMode.Additive,
+                    Blending = BlendingParameters.Additive,
                     Origin = Anchor.Centre,
                     Anchor = Anchor.Centre,
                     Alpha = 0.5f,

osu.Game.Rulesets.Osu/Objects/Drawables/DrawableRepeatPoint.cs

@@ -32,7 +32,7 @@ namespace osu.Game.Rulesets.Osu.Objects.Drawables
 
             Size = new Vector2(OsuHitObject.OBJECT_RADIUS * 2);
 
-            Blending = BlendingMode.Additive;
+            Blending = BlendingParameters.Additive;
             Origin = Anchor.Centre;
 
             InternalChild = scaleContainer = new SkinnableDrawable("Play/osu/reversearrow", _ => new SpriteIcon

osu.Game.Rulesets.Osu/Objects/Drawables/Pieces/CirclePiece.cs

@@ -36,7 +36,7 @@ namespace osu.Game.Rulesets.Osu.Objects.Drawables.Pieces
                 new TrianglesPiece
                 {
                     RelativeSizeAxes = Axes.Both,
-                    Blending = BlendingMode.Additive,
+                    Blending = BlendingParameters.Additive,
                     Alpha = 0.5f,
                 }
             };

osu.Game.Rulesets.Osu/Objects/Drawables/Pieces/ExplodePiece.cs

@@ -17,12 +17,12 @@ namespace osu.Game.Rulesets.Osu.Objects.Drawables.Pieces
             Anchor = Anchor.Centre;
             Origin = Anchor.Centre;
 
-            Blending = BlendingMode.Additive;
+            Blending = BlendingParameters.Additive;
             Alpha = 0;
 
             Child = new SkinnableDrawable("Play/osu/hitcircle-explode", _ => new TrianglesPiece
             {
-                Blending = BlendingMode.Additive,
+                Blending = BlendingParameters.Additive,
                 RelativeSizeAxes = Axes.Both,
                 Alpha = 0.2f,
             }, s => s.GetTexture("Play/osu/hitcircle") == null);

osu.Game.Rulesets.Osu/Objects/Drawables/Pieces/FlashPiece.cs

@@ -18,7 +18,7 @@ namespace osu.Game.Rulesets.Osu.Objects.Drawables.Pieces
             Anchor = Anchor.Centre;
             Origin = Anchor.Centre;
 
-            Blending = BlendingMode.Additive;
+            Blending = BlendingParameters.Additive;
             Alpha = 0;
 
             Child = new SkinnableDrawable("Play/osu/hitcircle-flash", name => new CircularContainer

osu.Game.Rulesets.Osu/Objects/Drawables/Pieces/GlowPiece.cs

@@ -27,7 +27,7 @@ namespace osu.Game.Rulesets.Osu.Objects.Drawables.Pieces
                 Anchor = Anchor.Centre,
                 Origin = Anchor.Centre,
                 Texture = textures.Get(name),
-                Blending = BlendingMode.Additive,
+                Blending = BlendingParameters.Additive,
                 Alpha = 0.5f
             }, s => s.GetTexture("Play/osu/hitcircle") == null);
         }

osu.Game.Rulesets.Osu/Objects/Drawables/Pieces/SliderBall.cs

@@ -30,7 +30,7 @@ namespace osu.Game.Rulesets.Osu.Objects.Drawables.Pieces
             this.drawableSlider = drawableSlider;
             this.slider = slider;
 
-            Blending = BlendingMode.Additive;
+            Blending = BlendingParameters.Additive;
             Origin = Anchor.Centre;
 
             Size = new Vector2(OsuHitObject.OBJECT_RADIUS * 2);
@@ -55,7 +55,6 @@ namespace osu.Game.Rulesets.Osu.Objects.Drawables.Pieces
                     Child = new Container
                     {
                         RelativeSizeAxes = Axes.Both,
-                        // TODO: support skin filename animation (sliderb0, sliderb1...)
                         Child = new SkinnableDrawable("Play/osu/sliderball", _ => new DefaultSliderBall()),
                     }
                 }
@@ -168,9 +167,20 @@ namespace osu.Game.Rulesets.Osu.Objects.Drawables.Pieces
             return action == OsuAction.LeftButton || action == OsuAction.RightButton;
         }
 
+        private Vector2? lastPosition;
+
         public void UpdateProgress(double completionProgress)
         {
-            Position = slider.CurvePositionAt(completionProgress);
+            var newPos = slider.CurvePositionAt(completionProgress);
+
+            var diff = lastPosition.HasValue ? lastPosition.Value - newPos : newPos - slider.CurvePositionAt(completionProgress + 0.01f);
+            if (diff == Vector2.Zero)
+                return;
+
+            Position = newPos;
+            Rotation = -90 + (float)(-Math.Atan2(diff.X, diff.Y) * 180 / Math.PI);
+
+            lastPosition = newPos;
         }
 
         private class FollowCircleContainer : Container
@@ -190,7 +200,7 @@ namespace osu.Game.Rulesets.Osu.Objects.Drawables.Pieces
                     Masking = true,
                     BorderThickness = 5,
                     BorderColour = Color4.Orange,
-                    Blending = BlendingMode.Additive,
+                    Blending = BlendingParameters.Additive,
                     Child = new Box
                     {
                         Colour = Color4.Orange,

osu.Game.Rulesets.Taiko.Tests/TestSceneTaikoPlayfield.cs

@@ -247,10 +247,6 @@ namespace osu.Game.Rulesets.Taiko.Tests
                 : base(hitObject)
             {
             }
-
-            protected override void UpdateState(ArmedState state)
-            {
-            }
         }
     }
 }

osu.Game.Rulesets.Taiko.Tests/osu.Game.Rulesets.Taiko.Tests.csproj

@@ -4,7 +4,7 @@
     <PackageReference Include="Appveyor.TestLogger" Version="2.0.0" />
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="16.2.0" />
     <PackageReference Include="NUnit" Version="3.12.0" />
-    <PackageReference Include="NUnit3TestAdapter" Version="3.14.0" />
+    <PackageReference Include="NUnit3TestAdapter" Version="3.15.0" />
     <PackageReference Update="Microsoft.EntityFrameworkCore.Sqlite" Version="2.1.4" />
   </ItemGroup>
   <PropertyGroup Label="Project">

osu.Game.Rulesets.Taiko/Objects/Drawables/DrawableBarLine.cs

@@ -53,9 +53,5 @@ namespace osu.Game.Rulesets.Taiko.Objects.Drawables
                 Alpha = 0.75f
             });
         }
-
-        protected override void UpdateState(ArmedState state)
-        {
-        }
     }
 }

osu.Game.Rulesets.Taiko/Objects/Drawables/DrawableDrumRoll.cs

@@ -88,13 +88,13 @@ namespace osu.Game.Rulesets.Taiko.Objects.Drawables
                 ApplyResult(r => r.Type = HitResult.Miss);
         }
 
-        protected override void UpdateState(ArmedState state)
+        protected override void UpdateStateTransforms(ArmedState state)
         {
             switch (state)
             {
                 case ArmedState.Hit:
                 case ArmedState.Miss:
-                    this.FadeOut(100).Expire();
+                    this.Delay(HitObject.Duration).FadeOut(100).Expire();
                     break;
             }
         }

osu.Game.Rulesets.Taiko/Objects/Drawables/DrawableDrumRollTick.cs

@@ -39,7 +39,7 @@ namespace osu.Game.Rulesets.Taiko.Objects.Drawables
             ApplyResult(r => r.Type = HitResult.Great);
         }
 
-        protected override void UpdateState(ArmedState state)
+        protected override void UpdateStateTransforms(ArmedState state)
         {
             switch (state)
             {

osu.Game.Rulesets.Taiko/Objects/Drawables/DrawableHit.cs

@@ -92,56 +92,42 @@ namespace osu.Game.Rulesets.Taiko.Objects.Drawables
             Size = BaseSize * Parent.RelativeChildSize;
         }
 
-        protected override void UpdateState(ArmedState state)
+        protected override void UpdateStateTransforms(ArmedState state)
         {
-            // TODO: update to use new state management.
-            var circlePiece = MainPiece as CirclePiece;
-            circlePiece?.FlashBox.FinishTransforms();
-
-            var offset = !AllJudged ? 0 : Time.Current - HitObject.StartTime;
-
-            using (BeginDelayedSequence(HitObject.StartTime - Time.Current + offset, true))
+            switch (state)
             {
-                switch (State.Value)
-                {
-                    case ArmedState.Idle:
-                        validActionPressed = false;
+                case ArmedState.Idle:
+                    validActionPressed = false;
 
-                        UnproxyContent();
-                        this.Delay(HitObject.HitWindows.HalfWindowFor(HitResult.Miss)).Expire();
-                        break;
+                    UnproxyContent();
+                    this.Delay(HitObject.HitWindows.HalfWindowFor(HitResult.Miss)).Expire();
+                    break;
 
-                    case ArmedState.Miss:
-                        this.FadeOut(100)
-                            .Expire();
-                        break;
+                case ArmedState.Miss:
+                    this.FadeOut(100)
+                        .Expire();
+                    break;
 
-                    case ArmedState.Hit:
-                        // If we're far enough away from the left stage, we should bring outselves in front of it
-                        ProxyContent();
+                case ArmedState.Hit:
+                    // If we're far enough away from the left stage, we should bring outselves in front of it
+                    ProxyContent();
 
-                        var flash = circlePiece?.FlashBox;
+                    var flash = (MainPiece as CirclePiece)?.FlashBox;
+                    flash?.FadeTo(0.9f).FadeOut(300);
 
-                        if (flash != null)
-                        {
-                            flash.FadeTo(0.9f);
-                            flash.FadeOut(300);
-                        }
+                    const float gravity_time = 300;
+                    const float gravity_travel_height = 200;
 
-                        const float gravity_time = 300;
-                        const float gravity_travel_height = 200;
+                    this.ScaleTo(0.8f, gravity_time * 2, Easing.OutQuad);
 
-                        this.ScaleTo(0.8f, gravity_time * 2, Easing.OutQuad);
+                    this.MoveToY(-gravity_travel_height, gravity_time, Easing.Out)
+                        .Then()
+                        .MoveToY(gravity_travel_height * 2, gravity_time * 2, Easing.In);
 
-                        this.MoveToY(-gravity_travel_height, gravity_time, Easing.Out)
-                            .Then()
-                            .MoveToY(gravity_travel_height * 2, gravity_time * 2, Easing.In);
+                    this.FadeOut(800)
+                        .Expire();
 
-                        this.FadeOut(800)
-                            .Expire();
-
-                        break;
-                }
+                    break;
             }
         }
 

osu.Game.Rulesets.Taiko/Objects/Drawables/DrawableStrongNestedHit.cs

@@ -18,9 +18,5 @@ namespace osu.Game.Rulesets.Taiko.Objects.Drawables
         {
             MainObject = mainObject;
         }
-
-        protected override void UpdateState(ArmedState state)
-        {
-        }
     }
 }

osu.Game.Rulesets.Taiko/Objects/Drawables/DrawableSwell.cs

@@ -25,6 +25,11 @@ namespace osu.Game.Rulesets.Taiko.Objects.Drawables
         private const float target_ring_scale = 5f;
         private const float inner_ring_alpha = 0.65f;
 
+        /// <summary>
+        /// Offset away from the start time of the swell at which the ring starts appearing.
+        /// </summary>
+        private const double ring_appear_offset = 100;
+
         private readonly List<DrawableSwellTick> ticks = new List<DrawableSwellTick>();
 
         private readonly Container bodyContainer;
@@ -51,7 +56,7 @@ namespace osu.Game.Rulesets.Taiko.Objects.Drawables
                         Origin = Anchor.Centre,
                         Alpha = 0,
                         RelativeSizeAxes = Axes.Both,
-                        Blending = BlendingMode.Additive,
+                        Blending = BlendingParameters.Additive,
                         Masking = true,
                         Children = new[]
                         {
@@ -70,7 +75,7 @@ namespace osu.Game.Rulesets.Taiko.Objects.Drawables
                         RelativeSizeAxes = Axes.Both,
                         Masking = true,
                         BorderThickness = target_ring_thick_border,
-                        Blending = BlendingMode.Additive,
+                        Blending = BlendingParameters.Additive,
                         Children = new Drawable[]
                         {
                             new Box
@@ -179,26 +184,34 @@ namespace osu.Game.Rulesets.Taiko.Objects.Drawables
             }
         }
 
-        protected override void UpdateState(ArmedState state)
+        protected override void UpdateInitialTransforms()
         {
-            const float preempt = 100;
-            const float out_transition_time = 300;
+            base.UpdateInitialTransforms();
+
+            using (BeginAbsoluteSequence(HitObject.StartTime - ring_appear_offset, true))
+                targetRing.ScaleTo(target_ring_scale, 400, Easing.OutQuint);
+        }
+
+        protected override void UpdateStateTransforms(ArmedState state)
+        {
+            const double transition_duration = 300;
 
             switch (state)
             {
                 case ArmedState.Idle:
-                    UnproxyContent();
                     expandingRing.FadeTo(0);
-                    using (BeginAbsoluteSequence(HitObject.StartTime - preempt, true))
-                        targetRing.ScaleTo(target_ring_scale, preempt * 4, Easing.OutQuint);
                     break;
 
                 case ArmedState.Miss:
                 case ArmedState.Hit:
-                    this.FadeOut(out_transition_time, Easing.Out);
-                    bodyContainer.ScaleTo(1.4f, out_transition_time);
+                    using (BeginAbsoluteSequence(Time.Current, true))
+                    {
+                        this.FadeOut(transition_duration, Easing.Out);
+                        bodyContainer.ScaleTo(1.4f, transition_duration);
+
+                        Expire();
+                    }
 
-                    Expire();
                     break;
             }
         }
@@ -212,9 +225,10 @@ namespace osu.Game.Rulesets.Taiko.Objects.Drawables
             // Make the swell stop at the hit target
             X = Math.Max(0, X);
 
-            double t = Math.Min(HitObject.StartTime, Time.Current);
-            if (t == HitObject.StartTime)
+            if (Time.Current >= HitObject.StartTime - ring_appear_offset)
                 ProxyContent();
+            else
+                UnproxyContent();
         }
 
         private bool? lastWasCentre;

osu.Game.Rulesets.Taiko/Objects/Drawables/DrawableSwellTick.cs

@@ -1,7 +1,6 @@
 // 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.Game.Rulesets.Objects.Drawables;
 using osu.Game.Rulesets.Scoring;
 
 namespace osu.Game.Rulesets.Taiko.Objects.Drawables
@@ -21,10 +20,6 @@ namespace osu.Game.Rulesets.Taiko.Objects.Drawables
         {
         }
 
-        protected override void UpdateState(ArmedState state)
-        {
-        }
-
         public override bool OnPressed(TaikoAction action) => false;
     }
 }

osu.Game.Rulesets.Taiko/Objects/Drawables/DrawableTaikoHitObject.cs

@@ -78,10 +78,31 @@ namespace osu.Game.Rulesets.Taiko.Objects.Drawables
         public abstract bool OnPressed(TaikoAction action);
         public virtual bool OnReleased(TaikoAction action) => false;
 
+        protected override void UpdateInitialTransforms() => this.FadeIn();
+
+        public override double LifetimeStart
+        {
+            get => base.LifetimeStart;
+            set
+            {
+                base.LifetimeStart = value;
+                proxiedContent.LifetimeStart = value;
+            }
+        }
+
+        public override double LifetimeEnd
+        {
+            get => base.LifetimeEnd;
+            set
+            {
+                base.LifetimeEnd = value;
+                proxiedContent.LifetimeEnd = value;
+            }
+        }
+
         private class ProxiedContentContainer : Container
         {
-            public override double LifetimeStart => Parent?.LifetimeStart ?? base.LifetimeStart;
-            public override double LifetimeEnd => Parent?.LifetimeEnd ?? base.LifetimeEnd;
+            public override bool RemoveWhenNotAlive => false;
         }
     }
 
@@ -121,8 +142,6 @@ namespace osu.Game.Rulesets.Taiko.Objects.Drawables
             }
         }
 
-        protected override bool UseTransformStateManagement => false;
-
         // Normal and clap samples are handled by the drum
         protected override IEnumerable<HitSampleInfo> GetSamples() => HitObject.Samples.Where(s => s.Name != HitSampleInfo.HIT_NORMAL && s.Name != HitSampleInfo.HIT_CLAP);
 

osu.Game.Rulesets.Taiko/Objects/Drawables/Pieces/CirclePiece.cs

@@ -112,7 +112,7 @@ namespace osu.Game.Rulesets.Taiko.Objects.Drawables.Pieces
                             Origin = Anchor.Centre,
                             RelativeSizeAxes = Axes.Both,
                             Colour = Color4.White,
-                            Blending = BlendingMode.Additive,
+                            Blending = BlendingParameters.Additive,
                             Alpha = 0,
                             AlwaysPresent = true
                         }

osu.Game.Rulesets.Taiko/Replays/TaikoAutoGenerator.cs

@@ -10,6 +10,7 @@ using osu.Game.Rulesets.Objects.Types;
 using osu.Game.Rulesets.Taiko.Objects;
 using osu.Game.Rulesets.Replays;
 using osu.Game.Rulesets.Taiko.Beatmaps;
+using osu.Game.Rulesets.Objects;
 
 namespace osu.Game.Rulesets.Taiko.Replays
 {
@@ -113,7 +114,13 @@ namespace osu.Game.Rulesets.Taiko.Replays
                 else
                     throw new InvalidOperationException("Unknown hit object type.");
 
-                Frames.Add(new TaikoReplayFrame(endTime + KEY_UP_DELAY));
+                var nextHitObject = GetNextObject(i); // Get the next object that requires pressing the same button
+
+                bool canDelayKeyUp = nextHitObject == null || nextHitObject.StartTime > endTime + KEY_UP_DELAY;
+
+                double calculatedDelay = canDelayKeyUp ? KEY_UP_DELAY : (nextHitObject.StartTime - endTime) * 0.9;
+
+                Frames.Add(new TaikoReplayFrame(endTime + calculatedDelay));
 
                 if (i < Beatmap.HitObjects.Count - 1)
                 {
@@ -127,5 +134,24 @@ namespace osu.Game.Rulesets.Taiko.Replays
 
             return Replay;
         }
+
+        protected override HitObject GetNextObject(int currentIndex)
+        {
+            Type desiredType = Beatmap.HitObjects[currentIndex].GetType();
+
+            for (int i = currentIndex + 1; i < Beatmap.HitObjects.Count; i++)
+            {
+                var currentObj = Beatmap.HitObjects[i];
+
+                if (currentObj.GetType() == desiredType ||
+                    // Un-press all keys before a DrumRoll or Swell
+                    currentObj is DrumRoll || currentObj is Swell)
+                {
+                    return Beatmap.HitObjects[i];
+                }
+            }
+
+            return null;
+        }
     }
 }

osu.Game.Rulesets.Taiko/UI/InputDrum.cs

@@ -108,7 +108,7 @@ namespace osu.Game.Rulesets.Taiko.UI
                         Origin = Anchor.Centre,
                         RelativeSizeAxes = Axes.Both,
                         Alpha = 0,
-                        Blending = BlendingMode.Additive,
+                        Blending = BlendingParameters.Additive,
                     },
                     centre = new Sprite
                     {
@@ -124,7 +124,7 @@ namespace osu.Game.Rulesets.Taiko.UI
                         RelativeSizeAxes = Axes.Both,
                         Size = new Vector2(0.7f),
                         Alpha = 0,
-                        Blending = BlendingMode.Additive
+                        Blending = BlendingParameters.Additive
                     }
                 };
             }

osu.Game.Rulesets.Taiko/UI/TaikoPlayfield.cs

@@ -97,7 +97,7 @@ namespace osu.Game.Rulesets.Taiko.UI
                                 {
                                     RelativeSizeAxes = Axes.Both,
                                     FillMode = FillMode.Fit,
-                                    Blending = BlendingMode.Additive,
+                                    Blending = BlendingParameters.Additive,
                                 },
                                 HitTarget = new HitTarget
                                 {
@@ -127,14 +127,14 @@ namespace osu.Game.Rulesets.Taiko.UI
                             RelativeSizeAxes = Axes.Both,
                             FillMode = FillMode.Fit,
                             Margin = new MarginPadding { Left = HIT_TARGET_OFFSET },
-                            Blending = BlendingMode.Additive
+                            Blending = BlendingParameters.Additive
                         },
                         judgementContainer = new JudgementContainer<DrawableTaikoJudgement>
                         {
                             Name = "Judgements",
                             RelativeSizeAxes = Axes.Y,
                             Margin = new MarginPadding { Left = HIT_TARGET_OFFSET },
-                            Blending = BlendingMode.Additive
+                            Blending = BlendingParameters.Additive
                         },
                     }
                 },

osu.Game.Tests/Beatmaps/Formats/LegacyStoryboardDecoderTest.cs

@@ -58,7 +58,7 @@ namespace osu.Game.Tests.Beatmaps.Formats
 
                 int spriteCount = background.Elements.Count(x => x.GetType() == typeof(StoryboardSprite));
                 int animationCount = background.Elements.Count(x => x.GetType() == typeof(StoryboardAnimation));
-                int sampleCount = background.Elements.Count(x => x.GetType() == typeof(StoryboardSample));
+                int sampleCount = background.Elements.Count(x => x.GetType() == typeof(StoryboardSampleInfo));
 
                 Assert.AreEqual(15, spriteCount);
                 Assert.AreEqual(1, animationCount);

osu.Game.Tests/Visual/Gameplay/TestSceneScrollingHitObjects.cs

@@ -200,10 +200,6 @@ namespace osu.Game.Tests.Visual.Gameplay
                         break;
                 }
             }
-
-            protected override void UpdateState(ArmedState state)
-            {
-            }
         }
 
         private class TestDrawableHitObject : DrawableHitObject<HitObject>
@@ -216,10 +212,6 @@ namespace osu.Game.Tests.Visual.Gameplay
 
                 AddInternal(new Box { Size = new Vector2(75) });
             }
-
-            protected override void UpdateState(ArmedState state)
-            {
-            }
         }
     }
 }

osu.Game.Tests/Visual/Gameplay/TestSceneSkinnableDrawable.cs

@@ -10,6 +10,7 @@ using osu.Framework.Graphics;
 using osu.Framework.Graphics.Containers;
 using osu.Framework.Graphics.Shapes;
 using osu.Framework.Graphics.Textures;
+using osu.Game.Audio;
 using osu.Game.Graphics;
 using osu.Game.Graphics.Sprites;
 using osu.Game.Skinning;
@@ -253,7 +254,7 @@ namespace osu.Game.Tests.Visual.Gameplay
 
             public Texture GetTexture(string componentName) => throw new NotImplementedException();
 
-            public SampleChannel GetSample(string sampleName) => throw new NotImplementedException();
+            public SampleChannel GetSample(ISampleInfo sampleInfo) => throw new NotImplementedException();
 
             public TValue GetValue<TConfiguration, TValue>(Func<TConfiguration, TValue> query) where TConfiguration : SkinConfiguration => throw new NotImplementedException();
         }
@@ -264,7 +265,7 @@ namespace osu.Game.Tests.Visual.Gameplay
 
             public Texture GetTexture(string componentName) => throw new NotImplementedException();
 
-            public SampleChannel GetSample(string sampleName) => throw new NotImplementedException();
+            public SampleChannel GetSample(ISampleInfo sampleInfo) => throw new NotImplementedException();
 
             public TValue GetValue<TConfiguration, TValue>(Func<TConfiguration, TValue> query) where TConfiguration : SkinConfiguration => throw new NotImplementedException();
         }
@@ -275,7 +276,7 @@ namespace osu.Game.Tests.Visual.Gameplay
 
             public Texture GetTexture(string componentName) => throw new NotImplementedException();
 
-            public SampleChannel GetSample(string sampleName) => throw new NotImplementedException();
+            public SampleChannel GetSample(ISampleInfo sampleInfo) => throw new NotImplementedException();
 
             public TValue GetValue<TConfiguration, TValue>(Func<TConfiguration, TValue> query) where TConfiguration : SkinConfiguration => throw new NotImplementedException();
         }

osu.Game.Tests/Visual/Online/TestSceneBeatmapSetOverlay.cs

@@ -135,6 +135,9 @@ namespace osu.Game.Tests.Visual.Online
             });
 
             downloadAssert(true);
+
+            AddStep("show many difficulties", () => overlay.ShowBeatmapSet(createManyDifficultiesBeatmapSet()));
+            downloadAssert(true);
         }
 
         [Test]
@@ -222,6 +225,56 @@ namespace osu.Game.Tests.Visual.Online
             AddStep(@"show without reload", overlay.Show);
         }
 
+        private BeatmapSetInfo createManyDifficultiesBeatmapSet()
+        {
+            var beatmaps = new List<BeatmapInfo>();
+
+            for (int i = 1; i < 41; i++)
+            {
+                beatmaps.Add(new BeatmapInfo
+                {
+                    OnlineBeatmapID = i * 10,
+                    Version = $"Test #{i}",
+                    Ruleset = Ruleset.Value,
+                    StarDifficulty = 2 + i * 0.1,
+                    BaseDifficulty = new BeatmapDifficulty
+                    {
+                        OverallDifficulty = 3.5f,
+                    },
+                    OnlineInfo = new BeatmapOnlineInfo(),
+                    Metrics = new BeatmapMetrics
+                    {
+                        Fails = Enumerable.Range(1, 100).Select(j => j % 12 - 6).ToArray(),
+                        Retries = Enumerable.Range(-2, 100).Select(j => j % 12 - 6).ToArray(),
+                    },
+                });
+            }
+
+            return new BeatmapSetInfo
+            {
+                OnlineBeatmapSetID = 123,
+                Metadata = new BeatmapMetadata
+                {
+                    Title = @"many difficulties beatmap",
+                    Artist = @"none",
+                    Author = new User
+                    {
+                        Username = @"BanchoBot",
+                        Id = 3,
+                    },
+                },
+                OnlineInfo = new BeatmapSetOnlineInfo
+                {
+                    Preview = @"https://b.ppy.sh/preview/123.mp3",
+                    HasVideo = true,
+                    HasStoryboard = true,
+                    Covers = new BeatmapSetOnlineCovers(),
+                },
+                Metrics = new BeatmapSetMetrics { Ratings = Enumerable.Range(0, 11).ToArray() },
+                Beatmaps = beatmaps,
+            };
+        }
+
         private void downloadAssert(bool shown)
         {
             AddAssert($"is download button {(shown ? "shown" : "hidden")}", () => overlay.DownloadButtonsVisible == shown);

osu.Game.Tests/Visual/Online/TestSceneDirectPanel.cs

@@ -9,7 +9,6 @@ using osu.Framework.Graphics.Containers;
 using osu.Game.Beatmaps;
 using osu.Game.Overlays.Direct;
 using osu.Game.Rulesets;
-using osu.Game.Rulesets.Osu;
 using osu.Game.Users;
 using osuTK;
 
@@ -24,7 +23,7 @@ namespace osu.Game.Tests.Visual.Online
             typeof(IconPill)
         };
 
-        private BeatmapSetInfo getUndownloadableBeatmapSet(RulesetInfo ruleset) => new BeatmapSetInfo
+        private BeatmapSetInfo getUndownloadableBeatmapSet() => new BeatmapSetInfo
         {
             OnlineBeatmapSetID = 123,
             Metadata = new BeatmapMetadata
@@ -56,23 +55,62 @@ namespace osu.Game.Tests.Visual.Online
             {
                 new BeatmapInfo
                 {
-                    Ruleset = ruleset,
+                    Ruleset = Ruleset.Value,
                     Version = "Test",
                     StarDifficulty = 6.42,
                 }
             }
         };
 
-        [BackgroundDependencyLoader]
-        private void load()
+        private BeatmapSetInfo getManyDifficultiesBeatmapSet(RulesetStore rulesets)
         {
-            var ruleset = new OsuRuleset().RulesetInfo;
+            var beatmaps = new List<BeatmapInfo>();
 
-            var normal = CreateWorkingBeatmap(ruleset).BeatmapSetInfo;
+            for (int i = 0; i < 100; i++)
+            {
+                beatmaps.Add(new BeatmapInfo
+                {
+                    Ruleset = rulesets.GetRuleset(i % 4),
+                    StarDifficulty = 2 + i % 4 * 2,
+                    BaseDifficulty = new BeatmapDifficulty
+                    {
+                        OverallDifficulty = 3.5f,
+                    }
+                });
+            }
+
+            return new BeatmapSetInfo
+            {
+                OnlineBeatmapSetID = 1,
+                Metadata = new BeatmapMetadata
+                {
+                    Title = "many difficulties beatmap",
+                    Artist = "test",
+                    Author = new User
+                    {
+                        Username = "BanchoBot",
+                        Id = 3,
+                    }
+                },
+                OnlineInfo = new BeatmapSetOnlineInfo
+                {
+                    HasVideo = true,
+                    HasStoryboard = true,
+                    Covers = new BeatmapSetOnlineCovers(),
+                },
+                Beatmaps = beatmaps,
+            };
+        }
+
+        [BackgroundDependencyLoader]
+        private void load(RulesetStore rulesets)
+        {
+            var normal = CreateWorkingBeatmap(Ruleset.Value).BeatmapSetInfo;
             normal.OnlineInfo.HasVideo = true;
             normal.OnlineInfo.HasStoryboard = true;
 
-            var undownloadable = getUndownloadableBeatmapSet(ruleset);
+            var undownloadable = getUndownloadableBeatmapSet();
+            var manyDifficulties = getManyDifficultiesBeatmapSet(rulesets);
 
             Child = new BasicScrollContainer
             {
@@ -81,15 +119,17 @@ namespace osu.Game.Tests.Visual.Online
                 {
                     RelativeSizeAxes = Axes.X,
                     AutoSizeAxes = Axes.Y,
-                    Direction = FillDirection.Vertical,
+                    Direction = FillDirection.Full,
                     Padding = new MarginPadding(20),
-                    Spacing = new Vector2(0, 20),
+                    Spacing = new Vector2(5, 20),
                     Children = new Drawable[]
                     {
                         new DirectGridPanel(normal),
-                        new DirectListPanel(normal),
                         new DirectGridPanel(undownloadable),
+                        new DirectGridPanel(manyDifficulties),
+                        new DirectListPanel(normal),
                         new DirectListPanel(undownloadable),
+                        new DirectListPanel(manyDifficulties),
                     },
                 },
             };

osu.Game.Tests/Visual/SongSelect/TestSceneBeatmapCarousel.cs

@@ -516,6 +516,7 @@ namespace osu.Game.Tests.Visual.SongSelect
                     OnlineBeatmapID = b * 10,
                     Path = $"extra{b}.osu",
                     Version = $"Extra {b}",
+                    Ruleset = rulesets.GetRuleset((b - 1) % 4),
                     StarDifficulty = 2,
                     BaseDifficulty = new BeatmapDifficulty
                     {

osu.Game.Tests/Visual/SongSelect/TestScenePlaySongSelect.cs

@@ -15,6 +15,7 @@ using osu.Framework.MathUtils;
 using osu.Framework.Platform;
 using osu.Framework.Screens;
 using osu.Game.Beatmaps;
+using osu.Game.Configuration;
 using osu.Game.Rulesets;
 using osu.Game.Rulesets.Mods;
 using osu.Game.Rulesets.Osu;
@@ -79,8 +80,12 @@ namespace osu.Game.Tests.Visual.SongSelect
             Dependencies.Cache(manager = new BeatmapManager(LocalStorage, ContextFactory, rulesets, null, audio, host, defaultBeatmap = Beatmap.Default));
 
             Beatmap.SetDefault();
+
+            Dependencies.Cache(config = new OsuConfigManager(LocalStorage));
         }
 
+        private OsuConfigManager config;
+
         [SetUp]
         public virtual void SetUp() => Schedule(() =>
         {
@@ -111,13 +116,15 @@ namespace osu.Game.Tests.Visual.SongSelect
 
             AddAssert("random map selected", () => songSelect.CurrentBeatmap != defaultBeatmap);
 
-            AddStep(@"Sort by Artist", delegate { songSelect.FilterControl.Sort = SortMode.Artist; });
-            AddStep(@"Sort by Title", delegate { songSelect.FilterControl.Sort = SortMode.Title; });
-            AddStep(@"Sort by Author", delegate { songSelect.FilterControl.Sort = SortMode.Author; });
-            AddStep(@"Sort by DateAdded", delegate { songSelect.FilterControl.Sort = SortMode.DateAdded; });
-            AddStep(@"Sort by BPM", delegate { songSelect.FilterControl.Sort = SortMode.BPM; });
-            AddStep(@"Sort by Length", delegate { songSelect.FilterControl.Sort = SortMode.Length; });
-            AddStep(@"Sort by Difficulty", delegate { songSelect.FilterControl.Sort = SortMode.Difficulty; });
+            var sortMode = config.GetBindable<SortMode>(OsuSetting.SongSelectSortingMode);
+
+            AddStep(@"Sort by Artist", delegate { sortMode.Value = SortMode.Artist; });
+            AddStep(@"Sort by Title", delegate { sortMode.Value = SortMode.Title; });
+            AddStep(@"Sort by Author", delegate { sortMode.Value = SortMode.Author; });
+            AddStep(@"Sort by DateAdded", delegate { sortMode.Value = SortMode.DateAdded; });
+            AddStep(@"Sort by BPM", delegate { sortMode.Value = SortMode.BPM; });
+            AddStep(@"Sort by Length", delegate { sortMode.Value = SortMode.Length; });
+            AddStep(@"Sort by Difficulty", delegate { sortMode.Value = SortMode.Difficulty; });
         }
 
         [Test]

osu.Game.Tests/Visual/UserInterface/TestSceneCursors.cs

@@ -249,7 +249,7 @@ namespace osu.Game.Tests.Visual.UserInterface
                     Size = new Vector2(50);
                     Masking = true;
 
-                    Blending = BlendingMode.Additive;
+                    Blending = BlendingParameters.Additive;
                     Alpha = 0.5f;
 
                     Child = new Box { RelativeSizeAxes = Axes.Both };

osu.Game.Tests/osu.Game.Tests.csproj

@@ -5,7 +5,7 @@
     <PackageReference Include="DeepEqual" Version="2.0.0" />
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="16.2.0" />
     <PackageReference Include="NUnit" Version="3.12.0" />
-    <PackageReference Include="NUnit3TestAdapter" Version="3.14.0" />
+    <PackageReference Include="NUnit3TestAdapter" Version="3.15.0" />
     <PackageReference Update="Microsoft.EntityFrameworkCore.Sqlite" Version="2.1.4" />
   </ItemGroup>
   <PropertyGroup Label="Project">

osu.Game.Tournament.Tests/osu.Game.Tournament.Tests.csproj

@@ -7,7 +7,7 @@
     <PackageReference Include="Appveyor.TestLogger" Version="2.0.0" />
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="16.2.0" />
     <PackageReference Include="NUnit" Version="3.12.0" />
-    <PackageReference Include="NUnit3TestAdapter" Version="3.14.0" />
+    <PackageReference Include="NUnit3TestAdapter" Version="3.15.0" />
   </ItemGroup>
   <PropertyGroup Label="Project">
     <OutputType>WinExe</OutputType>

osu.Game.Tournament/Components/TournamentBeatmapPanel.cs

@@ -125,7 +125,7 @@ namespace osu.Game.Tournament.Components
                 {
                     RelativeSizeAxes = Axes.Both,
                     Colour = Color4.Gray,
-                    Blending = BlendingMode.Additive,
+                    Blending = BlendingParameters.Additive,
                     Alpha = 0,
                 },
             });

osu.Game/Beatmaps/BeatmapInfo.cs

@@ -129,6 +129,23 @@ namespace osu.Game.Beatmaps
         /// </summary>
         public List<ScoreInfo> Scores { get; set; }
 
+        [JsonIgnore]
+        public DifficultyRating DifficultyRating
+        {
+            get
+            {
+                var rating = StarDifficulty;
+
+                if (rating < 2.0) return DifficultyRating.Easy;
+                if (rating < 2.7) return DifficultyRating.Normal;
+                if (rating < 4.0) return DifficultyRating.Hard;
+                if (rating < 5.3) return DifficultyRating.Insane;
+                if (rating < 6.5) return DifficultyRating.Expert;
+
+                return DifficultyRating.ExpertPlus;
+            }
+        }
+
         public override string ToString() => $"{Metadata} [{Version}]".Trim();
 
         public bool Equals(BeatmapInfo other)

osu.Game/Beatmaps/BeatmapManager_WorkingBeatmap.cs

@@ -138,19 +138,15 @@ namespace osu.Game.Beatmaps
 
             protected override Skin GetSkin()
             {
-                Skin skin;
-
                 try
                 {
-                    skin = new LegacyBeatmapSkin(BeatmapInfo, store, AudioManager);
+                    return new LegacyBeatmapSkin(BeatmapInfo, store, AudioManager);
                 }
                 catch (Exception e)
                 {
                     Logger.Error(e, "Skin failed to load");
-                    skin = new DefaultSkin();
+                    return null;
                 }
-
-                return skin;
             }
         }
     }

osu.Game/Beatmaps/DifficultyRating.cs

@@ -0,0 +1,15 @@
+// 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.
+
+namespace osu.Game.Beatmaps
+{
+    public enum DifficultyRating
+    {
+        Easy,
+        Normal,
+        Hard,
+        Insane,
+        Expert,
+        ExpertPlus
+    }
+}

osu.Game/Beatmaps/Drawables/DifficultyColouredContainer.cs

@@ -1,85 +0,0 @@
-// 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 osu.Framework.Allocation;
-using osu.Framework.Graphics.Containers;
-using osu.Game.Graphics;
-using osuTK.Graphics;
-
-namespace osu.Game.Beatmaps.Drawables
-{
-    public abstract class DifficultyColouredContainer : Container, IHasAccentColour
-    {
-        public Color4 AccentColour { get; set; }
-
-        private readonly BeatmapInfo beatmap;
-        private OsuColour palette;
-
-        protected DifficultyColouredContainer(BeatmapInfo beatmap)
-        {
-            this.beatmap = beatmap;
-        }
-
-        [BackgroundDependencyLoader]
-        private void load(OsuColour palette)
-        {
-            if (palette == null)
-                throw new ArgumentNullException(nameof(palette));
-
-            this.palette = palette;
-            AccentColour = getColour(beatmap);
-        }
-
-        private enum DifficultyRating
-        {
-            Easy,
-            Normal,
-            Hard,
-            Insane,
-            Expert,
-            ExpertPlus
-        }
-
-        private DifficultyRating getDifficultyRating(BeatmapInfo beatmap)
-        {
-            if (beatmap == null)
-                throw new ArgumentNullException(nameof(beatmap));
-
-            var rating = beatmap.StarDifficulty;
-
-            if (rating < 2.0) return DifficultyRating.Easy;
-            if (rating < 2.7) return DifficultyRating.Normal;
-            if (rating < 4.0) return DifficultyRating.Hard;
-            if (rating < 5.3) return DifficultyRating.Insane;
-            if (rating < 6.5) return DifficultyRating.Expert;
-
-            return DifficultyRating.ExpertPlus;
-        }
-
-        private Color4 getColour(BeatmapInfo beatmap)
-        {
-            switch (getDifficultyRating(beatmap))
-            {
-                case DifficultyRating.Easy:
-                    return palette.Green;
-
-                default:
-                case DifficultyRating.Normal:
-                    return palette.Blue;
-
-                case DifficultyRating.Hard:
-                    return palette.Yellow;
-
-                case DifficultyRating.Insane:
-                    return palette.Pink;
-
-                case DifficultyRating.Expert:
-                    return palette.Purple;
-
-                case DifficultyRating.ExpertPlus:
-                    return palette.Gray0;
-            }
-        }
-    }
-}

osu.Game/Beatmaps/Drawables/DifficultyIcon.cs

@@ -1,4 +1,4 @@
-// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
+// 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;
@@ -6,35 +6,58 @@ using osu.Framework.Allocation;
 using osu.Framework.Extensions.Color4Extensions;
 using osu.Framework.Graphics;
 using osu.Framework.Graphics.Containers;
+using osu.Framework.Graphics.Cursor;
 using osu.Framework.Graphics.Effects;
 using osu.Framework.Graphics.Shapes;
 using osu.Framework.Graphics.Sprites;
+using osu.Game.Graphics;
 using osu.Game.Graphics.Containers;
+using osu.Game.Graphics.Sprites;
 using osu.Game.Rulesets;
 using osuTK;
 using osuTK.Graphics;
 
 namespace osu.Game.Beatmaps.Drawables
 {
-    public class DifficultyIcon : DifficultyColouredContainer
+    public class DifficultyIcon : CompositeDrawable, IHasCustomTooltip
     {
+        private readonly BeatmapInfo beatmap;
         private readonly RulesetInfo ruleset;
 
-        public DifficultyIcon(BeatmapInfo beatmap, RulesetInfo ruleset = null)
-            : base(beatmap)
+        private readonly Container iconContainer;
+
+        /// <summary>
+        /// Size of this difficulty icon.
+        /// </summary>
+        public new Vector2 Size
         {
-            if (beatmap == null)
-                throw new ArgumentNullException(nameof(beatmap));
-
-            this.ruleset = ruleset ?? beatmap.Ruleset;
-
-            Size = new Vector2(20);
+            get => iconContainer.Size;
+            set => iconContainer.Size = value;
         }
 
-        [BackgroundDependencyLoader]
-        private void load()
+        public DifficultyIcon(BeatmapInfo beatmap, RulesetInfo ruleset = null, bool shouldShowTooltip = true)
         {
-            Children = new Drawable[]
+            this.beatmap = beatmap ?? throw new ArgumentNullException(nameof(beatmap));
+
+            this.ruleset = ruleset ?? beatmap.Ruleset;
+            if (shouldShowTooltip)
+                TooltipContent = beatmap;
+
+            AutoSizeAxes = Axes.Both;
+
+            InternalChild = iconContainer = new Container { Size = new Vector2(20f) };
+        }
+
+        public string TooltipText { get; set; }
+
+        public ITooltip GetCustomTooltip() => new DifficultyIconTooltip();
+
+        public object TooltipContent { get; set; }
+
+        [BackgroundDependencyLoader]
+        private void load(OsuColour colours)
+        {
+            iconContainer.Children = new Drawable[]
             {
                 new CircularContainer
                 {
@@ -52,7 +75,7 @@ namespace osu.Game.Beatmaps.Drawables
                     Child = new Box
                     {
                         RelativeSizeAxes = Axes.Both,
-                        Colour = AccentColour,
+                        Colour = colours.ForDifficultyRating(beatmap.DifficultyRating),
                     },
                 },
                 new ConstrainedIconContainer
@@ -65,5 +88,96 @@ namespace osu.Game.Beatmaps.Drawables
                 }
             };
         }
+
+        private class DifficultyIconTooltip : VisibilityContainer, ITooltip
+        {
+            private readonly OsuSpriteText difficultyName, starRating;
+            private readonly Box background;
+
+            private readonly FillFlowContainer difficultyFlow;
+
+            public DifficultyIconTooltip()
+            {
+                AutoSizeAxes = Axes.Both;
+                Masking = true;
+                CornerRadius = 5;
+
+                Children = new Drawable[]
+                {
+                    background = new Box
+                    {
+                        RelativeSizeAxes = Axes.Both
+                    },
+                    new FillFlowContainer
+                    {
+                        AutoSizeAxes = Axes.Both,
+                        AutoSizeDuration = 200,
+                        AutoSizeEasing = Easing.OutQuint,
+                        Direction = FillDirection.Vertical,
+                        Padding = new MarginPadding(10),
+                        Children = new Drawable[]
+                        {
+                            difficultyName = new OsuSpriteText
+                            {
+                                Anchor = Anchor.Centre,
+                                Origin = Anchor.Centre,
+                                Font = OsuFont.GetFont(size: 16, weight: FontWeight.Bold),
+                            },
+                            difficultyFlow = new FillFlowContainer
+                            {
+                                AutoSizeAxes = Axes.Both,
+                                Anchor = Anchor.Centre,
+                                Origin = Anchor.Centre,
+                                Direction = FillDirection.Horizontal,
+                                Children = new Drawable[]
+                                {
+                                    starRating = new OsuSpriteText
+                                    {
+                                        Anchor = Anchor.Centre,
+                                        Origin = Anchor.Centre,
+                                        Font = OsuFont.GetFont(size: 16, weight: FontWeight.Regular),
+                                    },
+                                    new SpriteIcon
+                                    {
+                                        Anchor = Anchor.Centre,
+                                        Origin = Anchor.Centre,
+                                        Margin = new MarginPadding { Left = 4 },
+                                        Icon = FontAwesome.Solid.Star,
+                                        Size = new Vector2(12),
+                                    },
+                                }
+                            }
+                        }
+                    }
+                };
+            }
+
+            private OsuColour colours;
+
+            [BackgroundDependencyLoader]
+            private void load(OsuColour colours)
+            {
+                this.colours = colours;
+                background.Colour = colours.Gray3;
+            }
+
+            public bool SetContent(object content)
+            {
+                if (!(content is BeatmapInfo beatmap))
+                    return false;
+
+                difficultyName.Text = beatmap.Version;
+                starRating.Text = $"{beatmap.StarDifficulty:0.##}";
+                difficultyFlow.Colour = colours.ForDifficultyRating(beatmap.DifficultyRating);
+
+                return true;
+            }
+
+            public void Move(Vector2 pos) => Position = pos;
+
+            protected override void PopIn() => this.FadeIn(200, Easing.OutQuint);
+
+            protected override void PopOut() => this.FadeOut(200, Easing.OutQuint);
+        }
     }
 }

osu.Game/Beatmaps/Drawables/GroupedDifficultyIcon.cs

@@ -0,0 +1,37 @@
+// 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.Collections.Generic;
+using System.Linq;
+using osu.Framework.Graphics;
+using osu.Game.Graphics;
+using osu.Game.Graphics.Sprites;
+using osu.Game.Rulesets;
+using osuTK.Graphics;
+
+namespace osu.Game.Beatmaps.Drawables
+{
+    /// <summary>
+    /// A difficulty icon that contains a counter on the right-side of it.
+    /// </summary>
+    /// <remarks>
+    /// Used in cases when there are too many difficulty icons to show.
+    /// </remarks>
+    public class GroupedDifficultyIcon : DifficultyIcon
+    {
+        public GroupedDifficultyIcon(List<BeatmapInfo> beatmaps, RulesetInfo ruleset, Color4 counterColour)
+            : base(beatmaps.OrderBy(b => b.StarDifficulty).Last(), ruleset, false)
+        {
+            AddInternal(new OsuSpriteText
+            {
+                Anchor = Anchor.CentreRight,
+                Origin = Anchor.CentreRight,
+                Padding = new MarginPadding { Left = Size.X },
+                Margin = new MarginPadding { Left = 2, Right = 5 },
+                Font = OsuFont.GetFont(size: 14, weight: FontWeight.SemiBold),
+                Text = beatmaps.Count.ToString(),
+                Colour = counterColour,
+            });
+        }
+    }
+}

osu.Game/Beatmaps/Formats/LegacyStoryboardDecoder.cs

@@ -121,7 +121,7 @@ namespace osu.Game.Beatmaps.Formats
                         var layer = parseLayer(split[2]);
                         var path = cleanFilename(split[3]);
                         var volume = split.Length > 4 ? float.Parse(split[4], CultureInfo.InvariantCulture) : 100;
-                        storyboard.GetLayer(layer).Add(new StoryboardSample(path, time, volume));
+                        storyboard.GetLayer(layer).Add(new StoryboardSampleInfo(path, time, (int)volume));
                         break;
                     }
                 }
@@ -246,7 +246,7 @@ namespace osu.Game.Beatmaps.Formats
                                 switch (type)
                                 {
                                     case "A":
-                                        timelineGroup?.BlendingMode.Add(easing, startTime, endTime, BlendingMode.Additive, startTime == endTime ? BlendingMode.Additive : BlendingMode.Inherit);
+                                        timelineGroup?.BlendingParameters.Add(easing, startTime, endTime, BlendingParameters.Additive, startTime == endTime ? BlendingParameters.Additive : BlendingParameters.Inherit);
                                         break;
 
                                     case "H":

osu.Game/Configuration/OsuConfigManager.cs

@@ -8,6 +8,7 @@ using osu.Framework.Platform;
 using osu.Game.Overlays;
 using osu.Game.Rulesets.Scoring;
 using osu.Game.Screens.Select;
+using osu.Game.Screens.Select.Filter;
 
 namespace osu.Game.Configuration
 {
@@ -25,6 +26,9 @@ namespace osu.Game.Configuration
             Set(OsuSetting.DisplayStarsMinimum, 0.0, 0, 10, 0.1);
             Set(OsuSetting.DisplayStarsMaximum, 10.0, 0, 10, 0.1);
 
+            Set(OsuSetting.SongSelectGroupingMode, GroupMode.All);
+            Set(OsuSetting.SongSelectSortingMode, SortMode.Title);
+
             Set(OsuSetting.RandomSelectAlgorithm, RandomSelectAlgorithm.RandomPermutation);
 
             Set(OsuSetting.ChatDisplayHeight, ChatOverlay.DEFAULT_HEIGHT, 0.2, 1);
@@ -150,6 +154,8 @@ namespace osu.Game.Configuration
         SaveUsername,
         DisplayStarsMinimum,
         DisplayStarsMaximum,
+        SongSelectGroupingMode,
+        SongSelectSortingMode,
         RandomSelectAlgorithm,
         ShowFpsDisplay,
         ChatDisplayHeight,

osu.Game/Graphics/Containers/OsuFocusedOverlayContainer.cs

@@ -15,6 +15,7 @@ using osu.Game.Overlays;
 
 namespace osu.Game.Graphics.Containers
 {
+    [Cached(typeof(IPreviewTrackOwner))]
     public abstract class OsuFocusedOverlayContainer : FocusedOverlayContainer, IPreviewTrackOwner, IKeyBindingHandler<GlobalAction>
     {
         private SampleChannel samplePopIn;
@@ -38,13 +39,6 @@ namespace osu.Game.Graphics.Containers
 
         protected readonly Bindable<OverlayActivation> OverlayActivationMode = new Bindable<OverlayActivation>(OverlayActivation.All);
 
-        protected override IReadOnlyDependencyContainer CreateChildDependencies(IReadOnlyDependencyContainer parent)
-        {
-            var dependencies = new DependencyContainer(base.CreateChildDependencies(parent));
-            dependencies.CacheAs<IPreviewTrackOwner>(this);
-            return dependencies;
-        }
-
         [BackgroundDependencyLoader(true)]
         private void load(AudioManager audio)
         {

osu.Game/Graphics/Containers/OsuScrollContainer.cs

@@ -98,7 +98,7 @@ namespace osu.Game.Graphics.Containers
             public OsuScrollbar(Direction scrollDir)
                 : base(scrollDir)
             {
-                Blending = BlendingMode.Additive;
+                Blending = BlendingParameters.Additive;
 
                 CornerRadius = 5;
 

osu.Game/Graphics/Cursor/MenuCursor.cs

@@ -150,7 +150,7 @@ namespace osu.Game.Graphics.Cursor
                             },
                             AdditiveLayer = new Sprite
                             {
-                                Blending = BlendingMode.Additive,
+                                Blending = BlendingParameters.Additive,
                                 Colour = colour.Pink,
                                 Alpha = 0,
                                 Texture = textures.Get(@"Cursor/menu-cursor-additive"),

osu.Game/Graphics/Cursor/OsuTooltipContainer.cs

@@ -30,22 +30,24 @@ namespace osu.Game.Graphics.Cursor
             private readonly OsuSpriteText text;
             private bool instantMovement = true;
 
-            public override string TooltipText
+            public override bool SetContent(object content)
             {
-                set
+                if (!(content is string contentString))
+                    return false;
+
+                if (contentString == text.Text) return true;
+
+                text.Text = contentString;
+
+                if (IsPresent)
                 {
-                    if (value == text.Text) return;
-
-                    text.Text = value;
-
-                    if (IsPresent)
-                    {
-                        AutoSizeDuration = 250;
-                        background.FlashColour(OsuColour.Gray(0.4f), 1000, Easing.OutQuint);
-                    }
-                    else
-                        AutoSizeDuration = 0;
+                    AutoSizeDuration = 250;
+                    background.FlashColour(OsuColour.Gray(0.4f), 1000, Easing.OutQuint);
                 }
+                else
+                    AutoSizeDuration = 0;
+
+                return true;
             }
 
             public OsuTooltip()

osu.Game/Graphics/OsuColour.cs

@@ -2,6 +2,7 @@
 // See the LICENCE file in the repository root for full licence text.
 
 using System;
+using osu.Game.Beatmaps;
 using osuTK.Graphics;
 
 namespace osu.Game.Graphics
@@ -37,6 +38,31 @@ namespace osu.Game.Graphics
             }
         }
 
+        public Color4 ForDifficultyRating(DifficultyRating difficulty)
+        {
+            switch (difficulty)
+            {
+                case DifficultyRating.Easy:
+                    return Green;
+
+                default:
+                case DifficultyRating.Normal:
+                    return Blue;
+
+                case DifficultyRating.Hard:
+                    return Yellow;
+
+                case DifficultyRating.Insane:
+                    return Pink;
+
+                case DifficultyRating.Expert:
+                    return Purple;
+
+                case DifficultyRating.ExpertPlus:
+                    return Gray0;
+            }
+        }
+
         // See https://github.com/ppy/osu-web/blob/master/resources/assets/less/colors.less
         public readonly Color4 PurpleLighter = FromHex(@"eeeeff");
         public readonly Color4 PurpleLight = FromHex(@"aa88ff");

osu.Game/Graphics/ScreenshotManager.cs

@@ -22,7 +22,7 @@ using SixLabors.ImageSharp;
 
 namespace osu.Game.Graphics
 {
-    public class ScreenshotManager : Container, IKeyBindingHandler<GlobalAction>, IHandleGlobalInput
+    public class ScreenshotManager : Container, IKeyBindingHandler<GlobalAction>, IHandleGlobalKeyboardInput
     {
         private readonly BindableBool cursorVisibility = new BindableBool(true);
 

osu.Game/Graphics/Sprites/GlowingSpriteText.cs

@@ -56,7 +56,7 @@ namespace osu.Game.Graphics.Sprites
                     BlurSigma = new Vector2(4),
                     CacheDrawnFrameBuffer = true,
                     RelativeSizeAxes = Axes.Both,
-                    Blending = BlendingMode.Additive,
+                    Blending = BlendingParameters.Additive,
                     Size = new Vector2(3f),
                     Children = new[]
                     {

osu.Game/Graphics/UserInterface/DialogButton.cs

@@ -254,7 +254,7 @@ namespace osu.Game.Graphics.UserInterface
             colourContainer.Add(flash);
 
             flash.Colour = ButtonColour;
-            flash.Blending = BlendingMode.Additive;
+            flash.Blending = BlendingParameters.Additive;
             flash.Alpha = 0.3f;
             flash.FadeOutFromOne(click_duration);
             flash.Expire();

osu.Game/Graphics/UserInterface/OsuAnimatedButton.cs

@@ -64,7 +64,7 @@ namespace osu.Game.Graphics.UserInterface
                     {
                         RelativeSizeAxes = Axes.Both,
                         Colour = HoverColour,
-                        Blending = BlendingMode.Additive,
+                        Blending = BlendingParameters.Additive,
                         Alpha = 0,
                     },
                 }

osu.Game/Graphics/UserInterface/OsuButton.cs

@@ -39,7 +39,7 @@ namespace osu.Game.Graphics.UserInterface
                 hover = new Box
                 {
                     RelativeSizeAxes = Axes.Both,
-                    Blending = BlendingMode.Additive,
+                    Blending = BlendingParameters.Additive,
                     Colour = Color4.White.Opacity(0.1f),
                     Alpha = 0,
                     Depth = -1