Merge branch 'master' into fix-follow-point-transforms

global.json

@@ -5,6 +5,6 @@
     "version": "3.1.100"
   },
   "msbuild-sdks": {
-    "Microsoft.Build.Traversal": "2.0.24"
+    "Microsoft.Build.Traversal": "2.0.32"
   }
 }

osu.Game.Rulesets.Catch/Difficulty/CatchDifficultyCalculator.cs

@@ -72,10 +72,7 @@ namespace osu.Game.Rulesets.Catch.Difficulty
         protected override Skill[] CreateSkills(IBeatmap beatmap)
         {
             using (var catcher = new Catcher(beatmap.BeatmapInfo.BaseDifficulty))
-            {
                 halfCatcherWidth = catcher.CatchWidth * 0.5f;
-                halfCatcherWidth *= 0.8f; // We're only using 80% of the catcher's width to simulate imperfect gameplay.
-            }
 
             return new Skill[]
             {

osu.Game.Rulesets.Catch/Mods/CatchModDifficultyAdjust.cs

@@ -1,6 +1,7 @@
 // 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.Linq;
 using osu.Framework.Bindables;
 using osu.Game.Beatmaps;
 using osu.Game.Configuration;
@@ -30,6 +31,22 @@ namespace osu.Game.Rulesets.Catch.Mods
             Value = 5,
         };
 
+        public override string SettingDescription
+        {
+            get
+            {
+                string circleSize = CircleSize.IsDefault ? string.Empty : $"CS {CircleSize.Value:N1}";
+                string approachRate = ApproachRate.IsDefault ? string.Empty : $"AR {ApproachRate.Value:N1}";
+
+                return string.Join(", ", new[]
+                {
+                    circleSize,
+                    base.SettingDescription,
+                    approachRate
+                }.Where(s => !string.IsNullOrEmpty(s)));
+            }
+        }
+
         protected override void TransferSettings(BeatmapDifficulty difficulty)
         {
             base.TransferSettings(difficulty);

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

@@ -37,10 +37,15 @@ namespace osu.Game.Rulesets.Catch.UI
 
         public CatcherAnimationState CurrentState { get; private set; }
 
+        /// <summary>
+        /// The width of the catcher which can receive fruit. Equivalent to "catchMargin" in osu-stable.
+        /// </summary>
+        private const float allowed_catch_range = 0.8f;
+
         /// <summary>
         /// Width of the area that can be used to attempt catches during gameplay.
         /// </summary>
-        internal float CatchWidth => CatcherArea.CATCHER_SIZE * Math.Abs(Scale.X);
+        internal float CatchWidth => CatcherArea.CATCHER_SIZE * Math.Abs(Scale.X) * allowed_catch_range;
 
         protected bool Dashing
         {
@@ -141,14 +146,14 @@ namespace osu.Game.Rulesets.Catch.UI
             var ourRadius = fruit.DisplayRadius;
             float theirRadius = 0;
 
-            const float allowance = 6;
+            const float allowance = 10;
 
             while (caughtFruit.Any(f =>
                 f.LifetimeEnd == double.MaxValue &&
                 Vector2Extensions.Distance(f.Position, fruit.Position) < (ourRadius + (theirRadius = f.DrawSize.X / 2 * f.Scale.X)) / (allowance / 2)))
             {
                 var diff = (ourRadius + theirRadius) / allowance;
-                fruit.X += (RNG.NextSingle() - 0.5f) * 2 * diff;
+                fruit.X += (RNG.NextSingle() - 0.5f) * diff * 2;
                 fruit.Y -= RNG.NextSingle() * diff;
             }
 

osu.Game.Rulesets.Mania.Tests/Skinning/ColumnTestContainer.cs

@@ -0,0 +1,38 @@
+// 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.Graphics.Containers;
+using osu.Game.Rulesets.Mania.UI;
+using osuTK.Graphics;
+
+namespace osu.Game.Rulesets.Mania.Tests.Skinning
+{
+    /// <summary>
+    /// A container to be used in a <see cref="ManiaSkinnableTestScene"/> to provide a resolvable <see cref="Column"/> dependency.
+    /// </summary>
+    public class ColumnTestContainer : Container
+    {
+        protected override Container<Drawable> Content => content;
+
+        private readonly Container content;
+
+        [Cached]
+        private readonly Column column;
+
+        public ColumnTestContainer(int column, ManiaAction action)
+        {
+            this.column = new Column(column)
+            {
+                Action = { Value = action },
+                AccentColour = Color4.Orange
+            };
+
+            InternalChild = content = new ManiaInputManager(new ManiaRuleset().RulesetInfo, 4)
+            {
+                RelativeSizeAxes = Axes.Both
+            };
+        }
+    }
+}

osu.Game.Rulesets.Mania.Tests/Skinning/ManiaHitObjectTestScene.cs

@@ -0,0 +1,67 @@
+// 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.Graphics.Containers;
+using osu.Framework.Timing;
+using osu.Game.Rulesets.Mania.Objects.Drawables;
+using osu.Game.Rulesets.UI.Scrolling;
+using osuTK.Graphics;
+
+namespace osu.Game.Rulesets.Mania.Tests.Skinning
+{
+    /// <summary>
+    /// A test scene for a mania hitobject.
+    /// </summary>
+    public abstract class ManiaHitObjectTestScene : ManiaSkinnableTestScene
+    {
+        [BackgroundDependencyLoader]
+        private void load()
+        {
+            SetContents(() => new FillFlowContainer
+            {
+                Anchor = Anchor.Centre,
+                Origin = Anchor.Centre,
+                RelativeSizeAxes = Axes.Both,
+                Height = 0.7f,
+                Direction = FillDirection.Horizontal,
+                Children = new Drawable[]
+                {
+                    new ColumnTestContainer(0, ManiaAction.Key1)
+                    {
+                        Anchor = Anchor.Centre,
+                        Origin = Anchor.Centre,
+                        RelativeSizeAxes = Axes.Y,
+                        Width = 80,
+                        Child = new ScrollingHitObjectContainer
+                        {
+                            RelativeSizeAxes = Axes.Both,
+                            Clock = new FramedClock(new StopwatchClock()),
+                        }.With(c =>
+                        {
+                            c.Add(CreateHitObject().With(h => h.AccentColour.Value = Color4.Orange));
+                        })
+                    },
+                    new ColumnTestContainer(1, ManiaAction.Key2)
+                    {
+                        Anchor = Anchor.Centre,
+                        Origin = Anchor.Centre,
+                        RelativeSizeAxes = Axes.Y,
+                        Width = 80,
+                        Child = new ScrollingHitObjectContainer
+                        {
+                            RelativeSizeAxes = Axes.Both,
+                            Clock = new FramedClock(new StopwatchClock()),
+                        }.With(c =>
+                        {
+                            c.Add(CreateHitObject().With(h => h.AccentColour.Value = Color4.Orange));
+                        })
+                    },
+                }
+            });
+        }
+
+        protected abstract DrawableManiaHitObject CreateHitObject();
+    }
+}

osu.Game.Rulesets.Mania.Tests/Skinning/ManiaSkinnableTestScene.cs

@@ -0,0 +1,58 @@
+// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
+// See the LICENCE file in the repository root for full licence text.
+
+using NUnit.Framework;
+using osu.Framework.Allocation;
+using osu.Framework.Bindables;
+using osu.Framework.Extensions.Color4Extensions;
+using osu.Framework.Graphics;
+using osu.Framework.Graphics.Shapes;
+using osu.Game.Rulesets.UI.Scrolling;
+using osu.Game.Rulesets.UI.Scrolling.Algorithms;
+using osu.Game.Tests.Visual;
+using osuTK.Graphics;
+
+namespace osu.Game.Rulesets.Mania.Tests.Skinning
+{
+    /// <summary>
+    /// A test scene for skinnable mania components.
+    /// </summary>
+    public abstract class ManiaSkinnableTestScene : SkinnableTestScene
+    {
+        [Cached(Type = typeof(IScrollingInfo))]
+        private readonly TestScrollingInfo scrollingInfo = new TestScrollingInfo();
+
+        protected ManiaSkinnableTestScene()
+        {
+            scrollingInfo.Direction.Value = ScrollingDirection.Down;
+
+            Add(new Box
+            {
+                RelativeSizeAxes = Axes.Both,
+                Colour = Color4.SlateGray.Opacity(0.2f),
+                Depth = 1
+            });
+        }
+
+        [Test]
+        public void TestScrollingDown()
+        {
+            AddStep("change direction to down", () => scrollingInfo.Direction.Value = ScrollingDirection.Down);
+        }
+
+        [Test]
+        public void TestScrollingUp()
+        {
+            AddStep("change direction to up", () => scrollingInfo.Direction.Value = ScrollingDirection.Up);
+        }
+
+        private class TestScrollingInfo : IScrollingInfo
+        {
+            public readonly Bindable<ScrollingDirection> Direction = new Bindable<ScrollingDirection>();
+
+            IBindable<ScrollingDirection> IScrollingInfo.Direction => Direction;
+            IBindable<double> IScrollingInfo.TimeRange { get; } = new Bindable<double>(1000);
+            IScrollAlgorithm IScrollingInfo.Algorithm { get; } = new ConstantScrollAlgorithm();
+        }
+    }
+}

osu.Game.Rulesets.Mania.Tests/Skinning/TestSceneDrawableJudgement.cs

@@ -6,13 +6,13 @@ using System.Collections.Generic;
 using System.Linq;
 using osu.Framework.Extensions;
 using osu.Framework.Graphics;
-using osu.Game.Tests.Visual;
-using osu.Game.Rulesets.Mania.UI;
 using osu.Game.Rulesets.Judgements;
+using osu.Game.Rulesets.Mania.UI;
 using osu.Game.Rulesets.Objects;
 using osu.Game.Rulesets.Scoring;
+using osu.Game.Tests.Visual;
 
-namespace osu.Game.Rulesets.Mania.Tests
+namespace osu.Game.Rulesets.Mania.Tests.Skinning
 {
     public class TestSceneDrawableJudgement : SkinnableTestScene
     {

osu.Game.Rulesets.Mania/ManiaSkinComponent.cs

@@ -16,4 +16,8 @@ namespace osu.Game.Rulesets.Mania
 
         protected override string ComponentName => Component.ToString().ToLower();
     }
+
+    public enum ManiaSkinComponents
+    {
+    }
 }

osu.Game.Rulesets.Mania/ManiaSkinComponents.cs

@@ -1,9 +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.
-
-namespace osu.Game.Rulesets.Mania
-{
-    public enum ManiaSkinComponents
-    {
-    }
-}

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

@@ -2,6 +2,7 @@
 // See the LICENCE file in the repository root for full licence text.
 
 using System.Collections.Generic;
+using System.Linq;
 using osu.Game.Beatmaps;
 using osu.Game.Replays.Legacy;
 using osu.Game.Rulesets.Mania.Beatmaps;
@@ -26,13 +27,7 @@ namespace osu.Game.Rulesets.Mania.Replays
 
         public void FromLegacy(LegacyReplayFrame legacyFrame, IBeatmap beatmap, ReplayFrame lastFrame = null)
         {
-            // We don't need to fully convert, just create the converter
-            var converter = new ManiaBeatmapConverter(beatmap, new ManiaRuleset());
-
-            // NB: Via co-op mod, osu-stable can have two stages with floor(col/2) and ceil(col/2) columns. This will need special handling
-            // elsewhere in the game if we do choose to support the old co-op mod anyway. For now, assume that there is only one stage.
-
-            var stage = new StageDefinition { Columns = converter.TargetColumns };
+            var maniaBeatmap = (ManiaBeatmap)beatmap;
 
             var normalAction = ManiaAction.Key1;
             var specialAction = ManiaAction.Special1;
@@ -42,7 +37,7 @@ namespace osu.Game.Rulesets.Mania.Replays
 
             while (activeColumns > 0)
             {
-                var isSpecial = stage.IsSpecialColumn(counter);
+                var isSpecial = maniaBeatmap.Stages.First().IsSpecialColumn(counter);
 
                 if ((activeColumns & 1) > 0)
                     Actions.Add(isSpecial ? specialAction : normalAction);
@@ -59,17 +54,15 @@ namespace osu.Game.Rulesets.Mania.Replays
 
         public LegacyReplayFrame ToLegacy(IBeatmap beatmap)
         {
+            var maniaBeatmap = (ManiaBeatmap)beatmap;
+
             int keys = 0;
 
-            var converter = new ManiaBeatmapConverter(beatmap, new ManiaRuleset());
-
-            var stage = new StageDefinition { Columns = converter.TargetColumns };
-
             var specialColumns = new List<int>();
 
-            for (int i = 0; i < converter.TargetColumns; i++)
+            for (int i = 0; i < maniaBeatmap.TotalColumns; i++)
             {
-                if (stage.IsSpecialColumn(i))
+                if (maniaBeatmap.Stages.First().IsSpecialColumn(i))
                     specialColumns.Add(i);
             }
 

osu.Game.Rulesets.Mania/Skinning/LegacyManiaColumnElement.cs

@@ -0,0 +1,41 @@
+// 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 JetBrains.Annotations;
+using osu.Framework.Allocation;
+using osu.Framework.Graphics.Containers;
+using osu.Game.Rulesets.Mania.UI;
+
+namespace osu.Game.Rulesets.Mania.Skinning
+{
+    /// <summary>
+    /// A <see cref="CompositeDrawable"/> which is placed somewhere within a <see cref="Column"/>.
+    /// </summary>
+    public class LegacyManiaColumnElement : CompositeDrawable
+    {
+        [Resolved(CanBeNull = true)]
+        [CanBeNull]
+        protected ManiaStage Stage { get; private set; }
+
+        [Resolved]
+        protected Column Column { get; private set; }
+
+        /// <summary>
+        /// The column index to use for texture lookups, in the case of no user-provided configuration.
+        /// </summary>
+        protected int FallbackColumnIndex { get; private set; }
+
+        [BackgroundDependencyLoader]
+        private void load()
+        {
+            if (Stage == null)
+                FallbackColumnIndex = Column.Index % 2 + 1;
+            else
+            {
+                int dist = Math.Min(Column.Index, Stage.Columns.Count - Column.Index - 1);
+                FallbackColumnIndex = dist % 2 + 1;
+            }
+        }
+    }
+}

osu.Game.Rulesets.Mania/Skinning/ManiaLegacySkinTransformer.cs

@@ -1,6 +1,7 @@
 // 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.Graphics;
 using osu.Framework.Graphics.Textures;
 using osu.Framework.Audio.Sample;
@@ -15,9 +16,19 @@ namespace osu.Game.Rulesets.Mania.Skinning
     {
         private readonly ISkin source;
 
-        public ManiaLegacySkinTransformer(ISkin source)
+        private Lazy<bool> isLegacySkin;
+
+        public ManiaLegacySkinTransformer(ISkinSource source)
         {
             this.source = source;
+
+            source.SourceChanged += sourceChanged;
+            sourceChanged();
+        }
+
+        private void sourceChanged()
+        {
+            isLegacySkin = new Lazy<bool>(() => source.GetConfig<LegacySkinConfiguration.LegacySetting, decimal>(LegacySkinConfiguration.LegacySetting.Version) != null);
         }
 
         public Drawable GetDrawableComponent(ISkinComponent component)
@@ -26,6 +37,12 @@ namespace osu.Game.Rulesets.Mania.Skinning
             {
                 case GameplaySkinComponent<HitResult> resultComponent:
                     return getResult(resultComponent);
+
+                case ManiaSkinComponent _:
+                    if (!isLegacySkin.Value)
+                        return null;
+
+                    break;
             }
 
             return null;

osu.Game.Rulesets.Mania/UI/Column.cs

@@ -19,6 +19,7 @@ using osuTK;
 
 namespace osu.Game.Rulesets.Mania.UI
 {
+    [Cached]
     public class Column : ScrollingPlayfield, IKeyBindingHandler<ManiaAction>, IHasAccentColour
     {
         public const float COLUMN_WIDTH = 80;

osu.Game.Rulesets.Mania/UI/ManiaStage.cs

@@ -23,6 +23,7 @@ namespace osu.Game.Rulesets.Mania.UI
     /// <summary>
     /// A collection of <see cref="Column"/>s.
     /// </summary>
+    [Cached]
     public class ManiaStage : ScrollingPlayfield
     {
         public const float COLUMN_SPACING = 1;

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

@@ -0,0 +1,70 @@
+// 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 NUnit.Framework;
+using osu.Framework.Graphics;
+using osu.Game.Beatmaps;
+using osu.Game.Beatmaps.ControlPoints;
+using osu.Game.Rulesets.Mods;
+using osu.Game.Rulesets.Osu.Mods;
+using osu.Game.Rulesets.Osu.Objects;
+using osu.Game.Rulesets.Osu.Objects.Drawables;
+using osu.Game.Rulesets.Osu.Objects.Drawables.Pieces;
+using osu.Game.Tests.Visual;
+
+namespace osu.Game.Rulesets.Osu.Tests
+{
+    [TestFixture]
+    public class TestSceneSpinnerSpunOut : OsuTestScene
+    {
+        public override IReadOnlyList<Type> RequiredTypes => new[]
+        {
+            typeof(SpinnerDisc),
+            typeof(DrawableSpinner),
+            typeof(DrawableOsuHitObject),
+            typeof(OsuModSpunOut)
+        };
+
+        [SetUp]
+        public void SetUp() => Schedule(() =>
+        {
+            SelectedMods.Value = new[] { new OsuModSpunOut() };
+        });
+
+        [Test]
+        public void TestSpunOut()
+        {
+            DrawableSpinner spinner = null;
+
+            AddStep("create spinner", () => spinner = createSpinner());
+
+            AddUntilStep("wait for end", () => Time.Current > spinner.LifetimeEnd);
+
+            AddAssert("spinner is completed", () => spinner.Progress >= 1);
+        }
+
+        private DrawableSpinner createSpinner()
+        {
+            var spinner = new Spinner
+            {
+                StartTime = Time.Current + 500,
+                EndTime = Time.Current + 2500
+            };
+            spinner.ApplyDefaults(new ControlPointInfo(), new BeatmapDifficulty());
+
+            var drawableSpinner = new DrawableSpinner(spinner)
+            {
+                Anchor = Anchor.Centre
+            };
+
+            foreach (var mod in SelectedMods.Value.OfType<IApplicableToDrawableHitObjects>())
+                mod.ApplyToDrawableHitObjects(new[] { drawableSpinner });
+
+            Add(drawableSpinner);
+            return drawableSpinner;
+        }
+    }
+}

osu.Game.Rulesets.Osu/Mods/OsuModDifficultyAdjust.cs

@@ -1,6 +1,7 @@
 // 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.Linq;
 using osu.Framework.Bindables;
 using osu.Game.Beatmaps;
 using osu.Game.Configuration;
@@ -30,6 +31,22 @@ namespace osu.Game.Rulesets.Osu.Mods
             Value = 5,
         };
 
+        public override string SettingDescription
+        {
+            get
+            {
+                string circleSize = CircleSize.IsDefault ? string.Empty : $"CS {CircleSize.Value:N1}";
+                string approachRate = ApproachRate.IsDefault ? string.Empty : $"AR {ApproachRate.Value:N1}";
+
+                return string.Join(", ", new[]
+                {
+                    circleSize,
+                    base.SettingDescription,
+                    approachRate
+                }.Where(s => !string.IsNullOrEmpty(s)));
+            }
+        }
+
         protected override void TransferSettings(BeatmapDifficulty difficulty)
         {
             base.TransferSettings(difficulty);

osu.Game.Rulesets.Osu/Mods/OsuModRelax.cs

@@ -90,7 +90,7 @@ namespace osu.Game.Rulesets.Osu.Mods
 
             void handleHitCircle(DrawableHitCircle circle)
             {
-                if (!circle.IsHovered)
+                if (!circle.HitArea.IsHovered)
                     return;
 
                 Debug.Assert(circle.HitObject.HitWindows != null);

osu.Game.Rulesets.Osu/Mods/OsuModSpunOut.cs

@@ -2,21 +2,46 @@
 // See the LICENCE file in the repository root for full licence text.
 
 using System;
+using System.Collections.Generic;
+using osu.Framework.Graphics;
 using osu.Framework.Graphics.Sprites;
+using osu.Framework.Utils;
 using osu.Game.Graphics;
 using osu.Game.Rulesets.Mods;
+using osu.Game.Rulesets.Objects.Drawables;
+using osu.Game.Rulesets.Osu.Objects.Drawables;
 
 namespace osu.Game.Rulesets.Osu.Mods
 {
-    public class OsuModSpunOut : Mod
+    public class OsuModSpunOut : Mod, IApplicableToDrawableHitObjects
     {
         public override string Name => "Spun Out";
         public override string Acronym => "SO";
         public override IconUsage? Icon => OsuIcon.ModSpunout;
-        public override ModType Type => ModType.DifficultyReduction;
+        public override ModType Type => ModType.Automation;
         public override string Description => @"Spinners will be automatically completed.";
         public override double ScoreMultiplier => 0.9;
         public override bool Ranked => true;
         public override Type[] IncompatibleMods => new[] { typeof(ModAutoplay), typeof(OsuModAutopilot) };
+
+        public void ApplyToDrawableHitObjects(IEnumerable<DrawableHitObject> drawables)
+        {
+            foreach (var hitObject in drawables)
+            {
+                if (hitObject is DrawableSpinner spinner)
+                {
+                    spinner.HandleUserInput = false;
+                    spinner.OnUpdate += onSpinnerUpdate;
+                }
+            }
+        }
+
+        private void onSpinnerUpdate(Drawable drawable)
+        {
+            var spinner = (DrawableSpinner)drawable;
+
+            spinner.Disc.Tracking = true;
+            spinner.Disc.Rotate(MathUtils.RadiansToDegrees((float)spinner.Clock.ElapsedFrameTime * 0.03f));
+        }
     }
 }

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

@@ -30,6 +30,8 @@ namespace osu.Game.Rulesets.Osu.Objects.Drawables
         public readonly SkinnableDrawable CirclePiece;
         private readonly Container scaleContainer;
 
+        protected virtual OsuSkinComponents CirclePieceComponent => OsuSkinComponents.HitCircle;
+
         public DrawableHitCircle(HitCircle h)
             : base(h)
         {
@@ -57,7 +59,7 @@ namespace osu.Game.Rulesets.Osu.Objects.Drawables
                                 return true;
                             },
                         },
-                        CirclePiece = new SkinnableDrawable(new OsuSkinComponent(OsuSkinComponents.HitCircle), _ => new MainCirclePiece()),
+                        CirclePiece = new SkinnableDrawable(new OsuSkinComponent(CirclePieceComponent), _ => new MainCirclePiece()),
                         ApproachCircle = new ApproachCircle
                         {
                             Alpha = 0,

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

@@ -11,6 +11,7 @@ using osu.Framework.Bindables;
 using osu.Framework.Graphics.Containers;
 using osu.Game.Rulesets.Objects;
 using osu.Game.Rulesets.Osu.Skinning;
+using osu.Game.Rulesets.Scoring;
 using osuTK.Graphics;
 using osu.Game.Skinning;
 
@@ -196,6 +197,14 @@ namespace osu.Game.Rulesets.Osu.Objects.Drawables
             ApplyResult(r => r.Type = r.Judgement.MaxResult);
         }
 
+        public override void PlaySamples()
+        {
+            // rather than doing it this way, we should probably attach the sample to the tail circle.
+            // this can only be done after we stop using LegacyLastTick.
+            if (TailCircle.Result.Type != HitResult.Miss)
+                base.PlaySamples();
+        }
+
         protected override void UpdateStateTransforms(ArmedState state)
         {
             base.UpdateStateTransforms(state);

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

@@ -14,6 +14,8 @@ namespace osu.Game.Rulesets.Osu.Objects.Drawables
         private readonly IBindable<Vector2> positionBindable = new Bindable<Vector2>();
         private readonly IBindable<int> pathVersion = new Bindable<int>();
 
+        protected override OsuSkinComponents CirclePieceComponent => OsuSkinComponents.SliderHeadHitCircle;
+
         private readonly Slider slider;
 
         public DrawableSliderHead(Slider slider, HitCircle h)

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

@@ -87,6 +87,9 @@ namespace osu.Game.Rulesets.Osu.Objects.Drawables
 
         public void UpdateSnakingPosition(Vector2 start, Vector2 end)
         {
+            // When the repeat is hit, the arrow should fade out on spot rather than following the slider
+            if (IsHit) return;
+
             bool isRepeatAtEnd = sliderRepeat.RepeatIndex % 2 == 0;
             List<Vector2> curve = ((PlaySliderBody)drawableSlider.Body.Drawable).CurrentCurve;
 

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

@@ -176,17 +176,18 @@ namespace osu.Game.Rulesets.Osu.Objects.Drawables
 
         protected override void Update()
         {
-            Disc.Tracking = OsuActionInputManager?.PressedActions.Any(x => x == OsuAction.LeftButton || x == OsuAction.RightButton) ?? false;
-            if (!SpmCounter.IsPresent && Disc.Tracking)
-                SpmCounter.FadeIn(HitObject.TimeFadeIn);
-
             base.Update();
+            if (HandleUserInput)
+                Disc.Tracking = OsuActionInputManager?.PressedActions.Any(x => x == OsuAction.LeftButton || x == OsuAction.RightButton) ?? false;
         }
 
         protected override void UpdateAfterChildren()
         {
             base.UpdateAfterChildren();
 
+            if (!SpmCounter.IsPresent && Disc.Tracking)
+                SpmCounter.FadeIn(HitObject.TimeFadeIn);
+
             circle.Rotation = Disc.Rotation;
             Ticks.Rotation = Disc.Rotation;
             SpmCounter.SetRotation(Disc.RotationAbsolute);

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

@@ -73,6 +73,11 @@ namespace osu.Game.Rulesets.Osu.Objects.Drawables.Pieces
             }
         }
 
+        /// <summary>
+        /// Whether currently in the correct time range to allow spinning.
+        /// </summary>
+        private bool isSpinnableTime => spinner.StartTime <= Time.Current && spinner.EndTime > Time.Current;
+
         protected override bool OnMouseMove(MouseMoveEvent e)
         {
             mousePosition = Parent.ToLocalSpace(e.ScreenSpaceMousePosition);
@@ -93,27 +98,12 @@ namespace osu.Game.Rulesets.Osu.Objects.Drawables.Pieces
         protected override void Update()
         {
             base.Update();
-
             var thisAngle = -MathUtils.RadiansToDegrees(MathF.Atan2(mousePosition.X - DrawSize.X / 2, mousePosition.Y - DrawSize.Y / 2));
 
-            bool validAndTracking = tracking && spinner.StartTime <= Time.Current && spinner.EndTime > Time.Current;
+            var delta = thisAngle - lastAngle;
 
-            if (validAndTracking)
-            {
-                if (!rotationTransferred)
-                {
-                    currentRotation = Rotation * 2;
-                    rotationTransferred = true;
-                }
-
-                if (thisAngle - lastAngle > 180)
-                    lastAngle += 360;
-                else if (lastAngle - thisAngle > 180)
-                    lastAngle -= 360;
-
-                currentRotation += thisAngle - lastAngle;
-                RotationAbsolute += Math.Abs(thisAngle - lastAngle) * Math.Sign(Clock.ElapsedFrameTime);
-            }
+            if (tracking)
+                Rotate(delta);
 
             lastAngle = thisAngle;
 
@@ -128,5 +118,38 @@ namespace osu.Game.Rulesets.Osu.Objects.Drawables.Pieces
 
             Rotation = (float)Interpolation.Lerp(Rotation, currentRotation / 2, Math.Clamp(Math.Abs(Time.Elapsed) / 40, 0, 1));
         }
+
+        /// <summary>
+        /// Rotate the disc by the provided angle (in addition to any existing rotation).
+        /// </summary>
+        /// <remarks>
+        /// Will be a no-op if not a valid time to spin.
+        /// </remarks>
+        /// <param name="angle">The delta angle.</param>
+        public void Rotate(float angle)
+        {
+            if (!isSpinnableTime)
+                return;
+
+            if (!rotationTransferred)
+            {
+                currentRotation = Rotation * 2;
+                rotationTransferred = true;
+            }
+
+            if (angle > 180)
+            {
+                lastAngle += 360;
+                angle -= 360;
+            }
+            else if (-angle > 180)
+            {
+                lastAngle -= 360;
+                angle += 360;
+            }
+
+            currentRotation += angle;
+            RotationAbsolute += Math.Abs(angle) * Math.Sign(Clock.ElapsedFrameTime);
+        }
     }
 }

osu.Game.Rulesets.Osu/Objects/SliderRepeat.cs

@@ -34,8 +34,6 @@ namespace osu.Game.Rulesets.Osu.Objects
 
         public class SliderRepeatJudgement : OsuJudgement
         {
-            public override bool IsBonus => true;
-
             protected override int NumericResultFor(HitResult result) => result == MaxResult ? 30 : 0;
         }
     }

osu.Game.Rulesets.Osu/Objects/SliderTick.cs

@@ -36,8 +36,6 @@ namespace osu.Game.Rulesets.Osu.Objects
 
         public class SliderTickJudgement : OsuJudgement
         {
-            public override bool IsBonus => true;
-
             protected override int NumericResultFor(HitResult result) => result == MaxResult ? 10 : 0;
         }
     }

osu.Game.Rulesets.Osu/OsuRuleset.cs

@@ -113,7 +113,6 @@ namespace osu.Game.Rulesets.Osu
                         new OsuModEasy(),
                         new OsuModNoFail(),
                         new MultiMod(new OsuModHalfTime(), new OsuModDaycore()),
-                        new OsuModSpunOut(),
                     };
 
                 case ModType.DifficultyIncrease:
@@ -139,6 +138,7 @@ namespace osu.Game.Rulesets.Osu
                         new MultiMod(new OsuModAutoplay(), new OsuModCinema()),
                         new OsuModRelax(),
                         new OsuModAutopilot(),
+                        new OsuModSpunOut(),
                     };
 
                 case ModType.Fun:

osu.Game.Rulesets.Osu/OsuSkinComponents.cs

@@ -13,6 +13,7 @@ namespace osu.Game.Rulesets.Osu
         ApproachCircle,
         ReverseArrow,
         HitCircleText,
+        SliderHeadHitCircle,
         SliderFollowCircle,
         SliderBall,
         SliderBody,

osu.Game.Rulesets.Osu/Skinning/LegacyMainCirclePiece.cs

@@ -6,6 +6,7 @@ using osu.Framework.Bindables;
 using osu.Framework.Graphics;
 using osu.Framework.Graphics.Containers;
 using osu.Framework.Graphics.Sprites;
+using osu.Framework.Graphics.Textures;
 using osu.Game.Graphics;
 using osu.Game.Graphics.Sprites;
 using osu.Game.Rulesets.Objects.Drawables;
@@ -18,8 +19,12 @@ namespace osu.Game.Rulesets.Osu.Skinning
 {
     public class LegacyMainCirclePiece : CompositeDrawable
     {
-        public LegacyMainCirclePiece()
+        private readonly string priorityLookup;
+
+        public LegacyMainCirclePiece(string priorityLookup = null)
         {
+            this.priorityLookup = priorityLookup;
+
             Size = new Vector2(OsuHitObject.OBJECT_RADIUS * 2);
         }
 
@@ -39,7 +44,7 @@ namespace osu.Game.Rulesets.Osu.Skinning
             {
                 hitCircleSprite = new Sprite
                 {
-                    Texture = skin.GetTexture("hitcircle"),
+                    Texture = getTextureWithFallback(string.Empty),
                     Colour = drawableObject.AccentColour.Value,
                     Anchor = Anchor.Centre,
                     Origin = Anchor.Centre,
@@ -51,12 +56,17 @@ namespace osu.Game.Rulesets.Osu.Skinning
                 }, confineMode: ConfineMode.NoScaling),
                 new Sprite
                 {
-                    Texture = skin.GetTexture("hitcircleoverlay"),
+                    Texture = getTextureWithFallback("overlay"),
                     Anchor = Anchor.Centre,
                     Origin = Anchor.Centre,
                 }
             };
 
+            bool overlayAboveNumber = skin.GetConfig<OsuSkinConfiguration, bool>(OsuSkinConfiguration.HitCircleOverlayAboveNumber)?.Value ?? true;
+
+            if (!overlayAboveNumber)
+                ChangeInternalChildDepth(hitCircleText, -float.MaxValue);
+
             state.BindTo(drawableObject.State);
             state.BindValueChanged(updateState, true);
 
@@ -65,6 +75,16 @@ namespace osu.Game.Rulesets.Osu.Skinning
 
             indexInCurrentCombo.BindTo(osuObject.IndexInCurrentComboBindable);
             indexInCurrentCombo.BindValueChanged(index => hitCircleText.Text = (index.NewValue + 1).ToString(), true);
+
+            Texture getTextureWithFallback(string name)
+            {
+                Texture tex = null;
+
+                if (!string.IsNullOrEmpty(priorityLookup))
+                    tex = skin.GetTexture($"{priorityLookup}{name}");
+
+                return tex ?? skin.GetTexture($"hitcircle{name}");
+            }
         }
 
         private void updateState(ValueChangedEvent<ArmedState> state)

osu.Game.Rulesets.Osu/Skinning/OsuLegacySkinTransformer.cs

@@ -82,6 +82,12 @@ namespace osu.Game.Rulesets.Osu.Skinning
 
                     return null;
 
+                case OsuSkinComponents.SliderHeadHitCircle:
+                    if (hasHitCircle.Value)
+                        return new LegacyMainCirclePiece("sliderstartcircle");
+
+                    return null;
+
                 case OsuSkinComponents.HitCircle:
                     if (hasHitCircle.Value)
                         return new LegacyMainCirclePiece();

osu.Game.Rulesets.Osu/Skinning/OsuSkinConfiguration.cs

@@ -11,6 +11,7 @@ namespace osu.Game.Rulesets.Osu.Skinning
         SliderPathRadius,
         AllowSliderBallTint,
         CursorExpand,
-        CursorRotate
+        CursorRotate,
+        HitCircleOverlayAboveNumber
     }
 }

osu.Game.Tests/Resources/mania-skin-duplicate.ini

@@ -0,0 +1,9 @@
+[Mania]
+Keys: 4
+ColumnWidth: 10,10,10,10
+HitPosition: 470
+
+[Mania]
+Keys: 4
+ColumnWidth: 20,20,20,20
+HitPosition: 460

osu.Game.Tests/Resources/mania-skin-extra-data.ini

@@ -0,0 +1,4 @@
+[Mania]
+Keys: 4
+ColumnWidth: 10,10,10,10,10,10,10
+HitPosition: 470

osu.Game.Tests/Resources/mania-skin-multiple.ini

@@ -0,0 +1,9 @@
+[Mania]
+Keys: 4
+ColumnWidth: 10,10,10,10
+HitPosition: 470
+
+[Mania]
+Keys: 2
+ColumnWidth: 20,20
+HitPosition: 460

osu.Game.Tests/Resources/mania-skin-single.ini

@@ -0,0 +1,4 @@
+[Mania]
+Keys: 4
+ColumnWidth: 10,10,10,10
+HitPosition: 470

osu.Game.Tests/Resources/storyboard_no_video.osu

@@ -0,0 +1,31 @@
+osu file format v14
+
+[Events]
+//Background and Video events
+0,0,"BG.jpg",0,0
+Video,0,"video.avi"
+//Break Periods
+//Storyboard Layer 0 (Background)
+//Storyboard Layer 1 (Fail)
+//Storyboard Layer 2 (Pass)
+//Storyboard Layer 3 (Foreground)
+//Storyboard Layer 4 (Overlay)
+//Storyboard Sound Samples
+
+[TimingPoints]
+1674,333.333333333333,4,2,1,70,1,0
+1674,-100,4,2,1,70,0,0
+3340,-100,4,2,1,70,0,0
+3507,-100,4,2,1,70,0,0
+3673,-100,4,2,1,70,0,0
+
+[Colours]
+Combo1 : 240,80,80
+Combo2 : 171,252,203
+Combo3 : 128,128,255
+Combo4 : 249,254,186
+
+[HitObjects]
+148,303,1674,5,6,3:2:0:0:
+378,252,1840,1,0,0:0:0:0:
+389,270,2340,5,2,0:1:0:0:

osu.Game.Tests/Skins/LegacyManiaSkinDecoderTest.cs

@@ -0,0 +1,87 @@
+// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
+// See the LICENCE file in the repository root for full licence text.
+
+using NUnit.Framework;
+using osu.Game.IO;
+using osu.Game.Skinning;
+using osu.Game.Tests.Resources;
+
+namespace osu.Game.Tests.Skins
+{
+    [TestFixture]
+    public class LegacyManiaSkinDecoderTest
+    {
+        [Test]
+        public void TestParseSingleConfig()
+        {
+            var decoder = new LegacyManiaSkinDecoder();
+
+            using (var resStream = TestResources.OpenResource("mania-skin-single.ini"))
+            using (var stream = new LineBufferedReader(resStream))
+            {
+                var configs = decoder.Decode(stream);
+
+                Assert.That(configs.Count, Is.EqualTo(1));
+                Assert.That(configs[0].Keys, Is.EqualTo(4));
+                Assert.That(configs[0].ColumnWidth, Is.EquivalentTo(new float[] { 16, 16, 16, 16 }));
+                Assert.That(configs[0].HitPosition, Is.EqualTo(16));
+            }
+        }
+
+        [Test]
+        public void TestParseMultipleConfig()
+        {
+            var decoder = new LegacyManiaSkinDecoder();
+
+            using (var resStream = TestResources.OpenResource("mania-skin-multiple.ini"))
+            using (var stream = new LineBufferedReader(resStream))
+            {
+                var configs = decoder.Decode(stream);
+
+                Assert.That(configs.Count, Is.EqualTo(2));
+
+                Assert.That(configs[0].Keys, Is.EqualTo(4));
+                Assert.That(configs[0].ColumnWidth, Is.EquivalentTo(new float[] { 16, 16, 16, 16 }));
+                Assert.That(configs[0].HitPosition, Is.EqualTo(16));
+
+                Assert.That(configs[1].Keys, Is.EqualTo(2));
+                Assert.That(configs[1].ColumnWidth, Is.EquivalentTo(new float[] { 32, 32 }));
+                Assert.That(configs[1].HitPosition, Is.EqualTo(32));
+            }
+        }
+
+        [Test]
+        public void TestParseDuplicateConfig()
+        {
+            var decoder = new LegacyManiaSkinDecoder();
+
+            using (var resStream = TestResources.OpenResource("mania-skin-single.ini"))
+            using (var stream = new LineBufferedReader(resStream))
+            {
+                var configs = decoder.Decode(stream);
+
+                Assert.That(configs.Count, Is.EqualTo(1));
+                Assert.That(configs[0].Keys, Is.EqualTo(4));
+                Assert.That(configs[0].ColumnWidth, Is.EquivalentTo(new float[] { 16, 16, 16, 16 }));
+                Assert.That(configs[0].HitPosition, Is.EqualTo(16));
+            }
+        }
+
+        [Test]
+        public void TestParseWithUnnecessaryExtraData()
+        {
+            var decoder = new LegacyManiaSkinDecoder();
+
+            using (var resStream = TestResources.OpenResource("mania-skin-extra-data.ini"))
+            using (var stream = new LineBufferedReader(resStream))
+            {
+                var configs = decoder.Decode(stream);
+
+                Assert.That(configs.Count, Is.EqualTo(1));
+                Assert.That(configs[0].Keys, Is.EqualTo(4));
+                Assert.That(configs[0].ColumnWidth, Is.EquivalentTo(new float[] { 16, 16, 16, 16 }));
+                Assert.That(configs[0].HitPosition, Is.EqualTo(16));
+            }
+        }
+    }
+}

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

@@ -4,7 +4,6 @@
 using System.Linq;
 using NUnit.Framework;
 using osu.Framework.Allocation;
-using osu.Framework.Screens;
 using osu.Game.Configuration;
 using osu.Game.Rulesets;
 using osu.Game.Rulesets.Catch;
@@ -74,9 +73,6 @@ namespace osu.Game.Tests.Visual.Gameplay
             Beatmap.Value = working;
             SelectedMods.Value = new[] { ruleset.GetAllMods().First(m => m is ModNoFail) };
 
-            Player?.Exit();
-            Player = null;
-
             Player = CreatePlayer(ruleset);
 
             LoadScreen(Player);

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

@@ -3,8 +3,14 @@
 
 using System.ComponentModel;
 using System.Linq;
+using osu.Framework.Testing;
+using osu.Game.Beatmaps.Timing;
 using osu.Game.Rulesets;
+using osu.Game.Rulesets.Objects;
+using osu.Game.Rulesets.Scoring;
 using osu.Game.Screens.Play;
+using osu.Game.Screens.Play.Break;
+using osu.Game.Screens.Ranking;
 
 namespace osu.Game.Tests.Visual.Gameplay
 {
@@ -15,20 +21,38 @@ namespace osu.Game.Tests.Visual.Gameplay
 
         protected override Player CreatePlayer(Ruleset ruleset)
         {
-            SelectedMods.Value = SelectedMods.Value.Concat(new[] { ruleset.GetAutoplayMod() }).ToArray();
-            return new TestPlayer(false, false);
+            SelectedMods.Value = new[] { ruleset.GetAutoplayMod() };
+            return new TestPlayer(false);
         }
 
         protected override void AddCheckSteps()
         {
             AddUntilStep("score above zero", () => Player.ScoreProcessor.TotalScore.Value > 0);
             AddUntilStep("key counter counted keys", () => Player.HUDOverlay.KeyCounter.Children.Any(kc => kc.CountPresses > 2));
-            AddStep("seek to break time", () => Player.GameplayClockContainer.Seek(Player.BreakOverlay.Breaks.First().StartTime));
-            AddUntilStep("wait for seek to complete", () =>
-                Player.HUDOverlay.Progress.ReferenceClock.CurrentTime >= Player.BreakOverlay.Breaks.First().StartTime);
-            AddAssert("test keys not counting", () => !Player.HUDOverlay.KeyCounter.IsCounting);
+            seekToBreak(0);
+            AddAssert("keys not counting", () => !Player.HUDOverlay.KeyCounter.IsCounting);
+            AddAssert("overlay displays 100% accuracy", () => Player.BreakOverlay.ChildrenOfType<BreakInfo>().Single().AccuracyDisplay.Current.Value == 1);
             AddStep("rewind", () => Player.GameplayClockContainer.Seek(-80000));
             AddUntilStep("key counter reset", () => Player.HUDOverlay.KeyCounter.Children.All(kc => kc.CountPresses == 0));
+
+            seekToBreak(0);
+            seekToBreak(1);
+
+            AddStep("seek to completion", () => Player.GameplayClockContainer.Seek(Player.DrawableRuleset.Objects.Last().GetEndTime()));
+            AddUntilStep("results displayed", () => getResultsScreen() != null);
+
+            AddAssert("score has combo", () => getResultsScreen().Score.Combo > 100);
+            AddAssert("score has no misses", () => getResultsScreen().Score.Statistics[HitResult.Miss] == 0);
+
+            ResultsScreen getResultsScreen() => Stack.CurrentScreen as ResultsScreen;
+        }
+
+        private void seekToBreak(int breakIndex)
+        {
+            AddStep($"seek to break {breakIndex}", () => Player.GameplayClockContainer.Seek(destBreak().StartTime));
+            AddUntilStep("wait for seek to complete", () => Player.HUDOverlay.Progress.ReferenceClock.CurrentTime >= destBreak().StartTime);
+
+            BreakPeriod destBreak() => Player.ChildrenOfType<BreakTracker>().First().Breaks.ElementAt(breakIndex);
         }
     }
 }

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

@@ -5,6 +5,7 @@ using System;
 using System.Collections.Generic;
 using System.Linq;
 using NUnit.Framework;
+using osu.Framework.Graphics;
 using osu.Framework.Timing;
 using osu.Game.Beatmaps.Timing;
 using osu.Game.Screens.Play;
@@ -12,14 +13,16 @@ using osu.Game.Screens.Play;
 namespace osu.Game.Tests.Visual.Gameplay
 {
     [TestFixture]
-    public class TestSceneBreakOverlay : OsuTestScene
+    public class TestSceneBreakTracker : OsuTestScene
     {
         public override IReadOnlyList<Type> RequiredTypes => new[]
         {
             typeof(BreakOverlay),
         };
 
-        private readonly TestBreakOverlay breakOverlay;
+        private readonly BreakOverlay breakOverlay;
+
+        private readonly TestBreakTracker breakTracker;
 
         private readonly IReadOnlyList<BreakPeriod> testBreaks = new List<BreakPeriod>
         {
@@ -35,9 +38,23 @@ namespace osu.Game.Tests.Visual.Gameplay
             },
         };
 
-        public TestSceneBreakOverlay()
+        public TestSceneBreakTracker()
         {
-            Add(breakOverlay = new TestBreakOverlay(true));
+            AddRange(new Drawable[]
+            {
+                breakTracker = new TestBreakTracker(),
+                breakOverlay = new BreakOverlay(true, null)
+                {
+                    ProcessCustomClock = false,
+                }
+            });
+        }
+
+        protected override void Update()
+        {
+            base.Update();
+
+            breakOverlay.Clock = breakTracker.Clock;
         }
 
         [Test]
@@ -88,7 +105,7 @@ namespace osu.Game.Tests.Visual.Gameplay
             loadBreaksStep("multiple breaks", testBreaks);
 
             seekAndAssertBreak("seek to break start", testBreaks[1].StartTime, true);
-            AddAssert("is skipped to break #2", () => breakOverlay.CurrentBreakIndex == 1);
+            AddAssert("is skipped to break #2", () => breakTracker.CurrentBreakIndex == 1);
 
             seekAndAssertBreak("seek to break middle", testBreaks[1].StartTime + testBreaks[1].Duration / 2, true);
             seekAndAssertBreak("seek to break end", testBreaks[1].EndTime, false);
@@ -110,7 +127,7 @@ namespace osu.Game.Tests.Visual.Gameplay
 
         private void addShowBreakStep(double seconds)
         {
-            AddStep($"show '{seconds}s' break", () => breakOverlay.Breaks = new List<BreakPeriod>
+            AddStep($"show '{seconds}s' break", () => breakOverlay.Breaks = breakTracker.Breaks = new List<BreakPeriod>
             {
                 new BreakPeriod
                 {
@@ -122,12 +139,12 @@ namespace osu.Game.Tests.Visual.Gameplay
 
         private void setClock(bool useManual)
         {
-            AddStep($"set {(useManual ? "manual" : "realtime")} clock", () => breakOverlay.SwitchClock(useManual));
+            AddStep($"set {(useManual ? "manual" : "realtime")} clock", () => breakTracker.SwitchClock(useManual));
         }
 
         private void loadBreaksStep(string breakDescription, IReadOnlyList<BreakPeriod> breaks)
         {
-            AddStep($"load {breakDescription}", () => breakOverlay.Breaks = breaks);
+            AddStep($"load {breakDescription}", () => breakOverlay.Breaks = breakTracker.Breaks = breaks);
             seekAndAssertBreak("seek back to 0", 0, false);
         }
 
@@ -151,17 +168,18 @@ namespace osu.Game.Tests.Visual.Gameplay
 
         private void seekAndAssertBreak(string seekStepDescription, double time, bool shouldBeBreak)
         {
-            AddStep(seekStepDescription, () => breakOverlay.ManualClockTime = time);
+            AddStep(seekStepDescription, () => breakTracker.ManualClockTime = time);
             AddAssert($"is{(!shouldBeBreak ? " not" : string.Empty)} break time", () =>
             {
-                breakOverlay.ProgressTime();
-                return breakOverlay.IsBreakTime.Value == shouldBeBreak;
+                breakTracker.ProgressTime();
+                return breakTracker.IsBreakTime.Value == shouldBeBreak;
             });
         }
 
-        private class TestBreakOverlay : BreakOverlay
+        private class TestBreakTracker : BreakTracker
         {
-            private readonly FramedClock framedManualClock;
+            public readonly FramedClock FramedManualClock;
+
             private readonly ManualClock manualClock;
             private IFrameBasedClock originalClock;
 
@@ -173,20 +191,19 @@ namespace osu.Game.Tests.Visual.Gameplay
                 set => manualClock.CurrentTime = value;
             }
 
-            public TestBreakOverlay(bool letterboxing)
-                : base(letterboxing)
+            public TestBreakTracker()
             {
-                framedManualClock = new FramedClock(manualClock = new ManualClock());
+                FramedManualClock = new FramedClock(manualClock = new ManualClock());
                 ProcessCustomClock = false;
             }
 
             public void ProgressTime()
             {
-                framedManualClock.ProcessFrame();
+                FramedManualClock.ProcessFrame();
                 Update();
             }
 
-            public void SwitchClock(bool setManual) => Clock = setManual ? framedManualClock : originalClock;
+            public void SwitchClock(bool setManual) => Clock = setManual ? FramedManualClock : originalClock;
 
             protected override void LoadComplete()
             {

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

@@ -17,13 +17,12 @@ using osu.Game.Replays;
 using osu.Game.Rulesets;
 using osu.Game.Rulesets.Replays;
 using osu.Game.Rulesets.UI;
-using osu.Game.Tests.Visual;
 using osu.Game.Tests.Visual.UserInterface;
 using osuTK;
 using osuTK.Graphics;
 using osuTK.Input;
 
-namespace osu.Game.Tests.Gameplay
+namespace osu.Game.Tests.Visual.Gameplay
 {
     public class TestSceneReplayRecorder : OsuManualInputManagerTestScene
     {

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

@@ -13,12 +13,11 @@ using osu.Game.Replays;
 using osu.Game.Rulesets;
 using osu.Game.Rulesets.Replays;
 using osu.Game.Rulesets.UI;
-using osu.Game.Tests.Visual;
 using osu.Game.Tests.Visual.UserInterface;
 using osuTK;
 using osuTK.Graphics;
 
-namespace osu.Game.Tests.Gameplay
+namespace osu.Game.Tests.Visual.Gameplay
 {
     public class TestSceneReplayRecording : OsuTestScene
     {

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

@@ -9,8 +9,12 @@ using osu.Framework.Graphics.Containers;
 using osu.Framework.Graphics.Shapes;
 using osu.Framework.Timing;
 using osu.Game.Beatmaps;
+using osu.Game.Beatmaps.Formats;
+using osu.Game.IO;
 using osu.Game.Overlays;
+using osu.Game.Storyboards;
 using osu.Game.Storyboards.Drawables;
+using osu.Game.Tests.Resources;
 using osuTK.Graphics;
 
 namespace osu.Game.Tests.Visual.Gameplay
@@ -54,7 +58,11 @@ namespace osu.Game.Tests.Visual.Gameplay
                     State = { Value = Visibility.Visible },
                 }
             });
+        }
 
+        [Test]
+        public void TestStoryboard()
+        {
             AddStep("Restart", restart);
             AddToggleStep("Passing", passing =>
             {
@@ -62,6 +70,12 @@ namespace osu.Game.Tests.Visual.Gameplay
             });
         }
 
+        [Test]
+        public void TestStoryboardMissingVideo()
+        {
+            AddStep("Load storyboard with missing video", loadStoryboardNoVideo);
+        }
+
         [BackgroundDependencyLoader]
         private void load()
         {
@@ -94,5 +108,28 @@ namespace osu.Game.Tests.Visual.Gameplay
             storyboardContainer.Add(storyboard);
             decoupledClock.ChangeSource(working.Track);
         }
+
+        private void loadStoryboardNoVideo()
+        {
+            if (storyboard != null)
+                storyboardContainer.Remove(storyboard);
+
+            var decoupledClock = new DecoupleableInterpolatingFramedClock { IsCoupled = true };
+            storyboardContainer.Clock = decoupledClock;
+
+            Storyboard sb;
+
+            using (var str = TestResources.OpenResource("storyboard_no_video.osu"))
+            using (var bfr = new LineBufferedReader(str))
+            {
+                var decoder = new LegacyStoryboardDecoder();
+                sb = decoder.Decode(bfr);
+            }
+
+            storyboard = sb.CreateDrawable(Beatmap.Value);
+
+            storyboardContainer.Add(storyboard);
+            decoupledClock.ChangeSource(Beatmap.Value.Track);
+        }
     }
 }

osu.Game.Tests/Visual/Menus/TestSceneLoader.cs

@@ -36,8 +36,6 @@ namespace osu.Game.Tests.Visual.Menus
         [Test]
         public void TestInstantLoad()
         {
-            // visual only, very impossible to test this using asserts.
-
             AddStep("load immediately", () =>
             {
                 loader = new TestLoader();
@@ -46,12 +44,17 @@ namespace osu.Game.Tests.Visual.Menus
                 LoadScreen(loader);
             });
 
-            AddAssert("spinner did not display", () => loader.LoadingSpinner?.Alpha == 0);
+            spinnerNotPresentOrHidden();
 
             AddUntilStep("loaded", () => loader.ScreenLoaded);
             AddUntilStep("not current", () => !loader.IsCurrentScreen());
+
+            spinnerNotPresentOrHidden();
         }
 
+        private void spinnerNotPresentOrHidden() =>
+            AddAssert("spinner did not display", () => loader.LoadingSpinner == null || loader.LoadingSpinner.Alpha == 0);
+
         [Test]
         public void TestDelayedLoad()
         {

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

@@ -83,6 +83,82 @@ namespace osu.Game.Tests.Visual.SongSelect
             waitForSelection(set_count, 3);
         }
 
+        [TestCase(true)]
+        [TestCase(false)]
+        public void TestTraversalBeyondVisible(bool forwards)
+        {
+            var sets = new List<BeatmapSetInfo>();
+
+            const int total_set_count = 200;
+
+            for (int i = 0; i < total_set_count; i++)
+                sets.Add(createTestBeatmapSet(i + 1));
+
+            loadBeatmaps(sets);
+
+            for (int i = 1; i < total_set_count; i += i)
+                selectNextAndAssert(i);
+
+            void selectNextAndAssert(int amount)
+            {
+                setSelected(forwards ? 1 : total_set_count, 1);
+
+                AddStep($"{(forwards ? "Next" : "Previous")} beatmap {amount} times", () =>
+                {
+                    for (int i = 0; i < amount; i++)
+                    {
+                        carousel.SelectNext(forwards ? 1 : -1);
+                    }
+                });
+
+                waitForSelection(forwards ? amount + 1 : total_set_count - amount);
+            }
+        }
+
+        [Test]
+        public void TestTraversalBeyondVisibleDifficulties()
+        {
+            var sets = new List<BeatmapSetInfo>();
+
+            const int total_set_count = 20;
+
+            for (int i = 0; i < total_set_count; i++)
+                sets.Add(createTestBeatmapSet(i + 1));
+
+            loadBeatmaps(sets);
+
+            // Selects next set once, difficulty index doesn't change
+            selectNextAndAssert(3, true, 2, 1);
+
+            // Selects next set 16 times (50 \ 3 == 16), difficulty index changes twice (50 % 3 == 2)
+            selectNextAndAssert(50, true, 17, 3);
+
+            // Travels around the carousel thrice (200 \ 60 == 3)
+            // continues to select 20 times (200 \ 60 == 20)
+            // selects next set 6 times (20 \ 3 == 6)
+            // difficulty index changes twice (20 % 3 == 2)
+            selectNextAndAssert(200, true, 7, 3);
+
+            // All same but in reverse
+            selectNextAndAssert(3, false, 19, 3);
+            selectNextAndAssert(50, false, 4, 1);
+            selectNextAndAssert(200, false, 14, 1);
+
+            void selectNextAndAssert(int amount, bool forwards, int expectedSet, int expectedDiff)
+            {
+                // Select very first or very last difficulty
+                setSelected(forwards ? 1 : 20, forwards ? 1 : 3);
+
+                AddStep($"{(forwards ? "Next" : "Previous")} difficulty {amount} times", () =>
+                {
+                    for (int i = 0; i < amount; i++)
+                        carousel.SelectNext(forwards ? 1 : -1, false);
+                });
+
+                waitForSelection(expectedSet, expectedDiff);
+            }
+        }
+
         /// <summary>
         /// Test filtering
         /// </summary>

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

@@ -91,13 +91,14 @@ namespace osu.Game.Tests.Visual.UserInterface
 
             var easierMods = osu.GetModsFor(ModType.DifficultyReduction);
             var harderMods = osu.GetModsFor(ModType.DifficultyIncrease);
+            var conversionMods = osu.GetModsFor(ModType.Conversion);
 
             var noFailMod = osu.GetModsFor(ModType.DifficultyReduction).FirstOrDefault(m => m is OsuModNoFail);
             var hiddenMod = harderMods.FirstOrDefault(m => m is OsuModHidden);
 
             var doubleTimeMod = harderMods.OfType<MultiMod>().FirstOrDefault(m => m.Mods.Any(a => a is OsuModDoubleTime));
 
-            var spunOutMod = easierMods.FirstOrDefault(m => m is OsuModSpunOut);
+            var targetMod = conversionMods.FirstOrDefault(m => m is OsuModTarget);
 
             var easy = easierMods.FirstOrDefault(m => m is OsuModEasy);
             var hardRock = harderMods.FirstOrDefault(m => m is OsuModHardRock);
@@ -109,7 +110,7 @@ namespace osu.Game.Tests.Visual.UserInterface
             testMultiplierTextColour(noFailMod, () => modSelect.LowMultiplierColour);
             testMultiplierTextColour(hiddenMod, () => modSelect.HighMultiplierColour);
 
-            testUnimplementedMod(spunOutMod);
+            testUnimplementedMod(targetMod);
         }
 
         [Test]

osu.Game/Beatmaps/BeatmapManager.cs

@@ -87,7 +87,7 @@ namespace osu.Game.Beatmaps
 
         protected override bool ShouldDeleteArchive(string path) => Path.GetExtension(path)?.ToLowerInvariant() == ".osz";
 
-        protected override Task Populate(BeatmapSetInfo beatmapSet, ArchiveReader archive, CancellationToken cancellationToken = default)
+        protected override async Task Populate(BeatmapSetInfo beatmapSet, ArchiveReader archive, CancellationToken cancellationToken = default)
         {
             if (archive != null)
                 beatmapSet.Beatmaps = createBeatmapDifficulties(beatmapSet.Files);
@@ -103,7 +103,19 @@ namespace osu.Game.Beatmaps
 
             validateOnlineIds(beatmapSet);
 
-            return updateQueue.UpdateAsync(beatmapSet, cancellationToken);
+            bool hadOnlineBeatmapIDs = beatmapSet.Beatmaps.Any(b => b.OnlineBeatmapID > 0);
+
+            await updateQueue.UpdateAsync(beatmapSet, cancellationToken);
+
+            // ensure at least one beatmap was able to retrieve or keep an online ID, else drop the set ID.
+            if (hadOnlineBeatmapIDs && !beatmapSet.Beatmaps.Any(b => b.OnlineBeatmapID > 0))
+            {
+                if (beatmapSet.OnlineBeatmapSetID != null)
+                {
+                    beatmapSet.OnlineBeatmapSetID = null;
+                    LogForModel(beatmapSet, "Disassociating beatmap set ID due to loss of all beatmap IDs");
+                }
+            }
         }
 
         protected override void PreImport(BeatmapSetInfo beatmapSet)
@@ -447,12 +459,15 @@ namespace osu.Game.Beatmaps
 
                     var res = req.Result;
 
-                    beatmap.Status = res.Status;
-                    beatmap.BeatmapSet.Status = res.BeatmapSet.Status;
-                    beatmap.BeatmapSet.OnlineBeatmapSetID = res.OnlineBeatmapSetID;
-                    beatmap.OnlineBeatmapID = res.OnlineBeatmapID;
+                    if (res != null)
+                    {
+                        beatmap.Status = res.Status;
+                        beatmap.BeatmapSet.Status = res.BeatmapSet.Status;
+                        beatmap.BeatmapSet.OnlineBeatmapSetID = res.OnlineBeatmapSetID;
+                        beatmap.OnlineBeatmapID = res.OnlineBeatmapID;
 
-                    LogForModel(set, $"Online retrieval mapped {beatmap} to {res.OnlineBeatmapSetID} / {res.OnlineBeatmapID}.");
+                        LogForModel(set, $"Online retrieval mapped {beatmap} to {res.OnlineBeatmapSetID} / {res.OnlineBeatmapID}.");
+                    }
                 }
                 catch (Exception e)
                 {

osu.Game/Beatmaps/Formats/LegacyDecoder.cs

@@ -41,6 +41,7 @@ namespace osu.Game.Beatmaps.Formats
                         section = Section.None;
                     }
 
+                    OnBeginNewSection(section);
                     continue;
                 }
 
@@ -57,6 +58,14 @@ namespace osu.Game.Beatmaps.Formats
 
         protected virtual bool ShouldSkipLine(string line) => string.IsNullOrWhiteSpace(line) || line.AsSpan().TrimStart().StartsWith("//".AsSpan(), StringComparison.Ordinal);
 
+        /// <summary>
+        /// Invoked when a new <see cref="Section"/> has been entered.
+        /// </summary>
+        /// <param name="section">The entered <see cref="Section"/>.</param>
+        protected virtual void OnBeginNewSection(Section section)
+        {
+        }
+
         protected virtual void ParseLine(T output, Section section, string line)
         {
             line = StripComments(line);
@@ -139,7 +148,8 @@ namespace osu.Game.Beatmaps.Formats
             Colours,
             HitObjects,
             Variables,
-            Fonts
+            Fonts,
+            Mania
         }
 
         internal class LegacyDifficultyControlPoint : DifficultyControlPoint

osu.Game/Graphics/Containers/UserDimContainer.cs

@@ -40,7 +40,7 @@ namespace osu.Game.Graphics.Containers
 
         /// <summary>
         /// Whether player is in break time.
-        /// Must be bound to <see cref="BreakOverlay.IsBreakTime"/> to allow for dim adjustments in gameplay.
+        /// Must be bound to <see cref="BreakTracker.IsBreakTime"/> to allow for dim adjustments in gameplay.
         /// </summary>
         public readonly IBindable<bool> IsBreakTime = new Bindable<bool>();
 

osu.Game/IO/LineBufferedReader.cs

@@ -17,9 +17,9 @@ namespace osu.Game.IO
         private readonly StreamReader streamReader;
         private readonly Queue<string> lineBuffer;
 
-        public LineBufferedReader(Stream stream)
+        public LineBufferedReader(Stream stream, bool leaveOpen = false)
         {
-            streamReader = new StreamReader(stream);
+            streamReader = new StreamReader(stream, Encoding.UTF8, true, 1024, leaveOpen);
             lineBuffer = new Queue<string>();
         }
 

osu.Game/Online/API/APIRequest.cs

@@ -12,11 +12,11 @@ namespace osu.Game.Online.API
     /// An API request with a well-defined response type.
     /// </summary>
     /// <typeparam name="T">Type of the response (used for deserialisation).</typeparam>
-    public abstract class APIRequest<T> : APIRequest
+    public abstract class APIRequest<T> : APIRequest where T : class
     {
         protected override WebRequest CreateWebRequest() => new OsuJsonWebRequest<T>(Uri);
 
-        public T Result => ((OsuJsonWebRequest<T>)WebRequest).ResponseObject;
+        public T Result => ((OsuJsonWebRequest<T>)WebRequest)?.ResponseObject;
 
         protected APIRequest()
         {

osu.Game/Online/API/Requests/GetRankingsRequest.cs

@@ -6,7 +6,7 @@ using osu.Game.Rulesets;
 
 namespace osu.Game.Online.API.Requests
 {
-    public abstract class GetRankingsRequest<TModel> : APIRequest<TModel>
+    public abstract class GetRankingsRequest<TModel> : APIRequest<TModel> where TModel : class
     {
         private readonly RulesetInfo ruleset;
         private readonly int page;

osu.Game/Online/API/Requests/PaginatedAPIRequest.cs

@@ -6,7 +6,7 @@ using osu.Framework.IO.Network;
 
 namespace osu.Game.Online.API.Requests
 {
-    public abstract class PaginatedAPIRequest<T> : APIRequest<T>
+    public abstract class PaginatedAPIRequest<T> : APIRequest<T> where T : class
     {
         private readonly int page;
         private readonly int itemsPerPage;

osu.Game/Overlays/Settings/Sections/Input/MouseSettings.cs

@@ -1,6 +1,7 @@
 // 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;
 using osu.Framework.Allocation;
 using osu.Framework.Bindables;
 using osu.Framework.Configuration;
@@ -56,24 +57,32 @@ namespace osu.Game.Overlays.Settings.Sections.Input
                 },
             };
 
-            rawInputToggle.ValueChanged += enabled =>
+            if (RuntimeInfo.OS != RuntimeInfo.Platform.Windows)
             {
-                // this is temporary until we support per-handler settings.
-                const string raw_mouse_handler = @"OsuTKRawMouseHandler";
-                const string standard_mouse_handler = @"OsuTKMouseHandler";
-
-                ignoredInputHandler.Value = enabled.NewValue ? standard_mouse_handler : raw_mouse_handler;
-            };
-
-            ignoredInputHandler = config.GetBindable<string>(FrameworkSetting.IgnoredInputHandlers);
-            ignoredInputHandler.ValueChanged += handler =>
+                rawInputToggle.Disabled = true;
+                sensitivity.Bindable.Disabled = true;
+            }
+            else
             {
-                bool raw = !handler.NewValue.Contains("Raw");
-                rawInputToggle.Value = raw;
-                sensitivity.Bindable.Disabled = !raw;
-            };
+                rawInputToggle.ValueChanged += enabled =>
+                {
+                    // this is temporary until we support per-handler settings.
+                    const string raw_mouse_handler = @"OsuTKRawMouseHandler";
+                    const string standard_mouse_handler = @"OsuTKMouseHandler";
 
-            ignoredInputHandler.TriggerChange();
+                    ignoredInputHandler.Value = enabled.NewValue ? standard_mouse_handler : raw_mouse_handler;
+                };
+
+                ignoredInputHandler = config.GetBindable<string>(FrameworkSetting.IgnoredInputHandlers);
+                ignoredInputHandler.ValueChanged += handler =>
+                {
+                    bool raw = !handler.NewValue.Contains("Raw");
+                    rawInputToggle.Value = raw;
+                    sensitivity.Bindable.Disabled = !raw;
+                };
+
+                ignoredInputHandler.TriggerChange();
+            }
         }
 
         private class SensitivitySetting : SettingsSlider<double, SensitivitySlider>

osu.Game/Rulesets/Mods/Mod.cs

@@ -2,9 +2,15 @@
 // See the LICENCE file in the repository root for full licence text.
 
 using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Reflection;
 using Newtonsoft.Json;
+using osu.Framework.Bindables;
 using osu.Framework.Graphics.Sprites;
+using osu.Game.Configuration;
 using osu.Game.IO.Serialization;
+using osu.Game.Rulesets.UI;
 
 namespace osu.Game.Rulesets.Mods
 {
@@ -42,6 +48,51 @@ namespace osu.Game.Rulesets.Mods
         [JsonIgnore]
         public virtual string Description => string.Empty;
 
+        /// <summary>
+        /// The tooltip to display for this mod when used in a <see cref="ModIcon"/>.
+        /// </summary>
+        /// <remarks>
+        /// Differs from <see cref="Name"/>, as the value of attributes (AR, CS, etc) changeable via the mod
+        /// are displayed in the tooltip.
+        /// </remarks>
+        [JsonIgnore]
+        public string IconTooltip
+        {
+            get
+            {
+                string description = SettingDescription;
+
+                return string.IsNullOrEmpty(description) ? Name : $"{Name} ({description})";
+            }
+        }
+
+        /// <summary>
+        /// The description of editable settings of a mod to use in the <see cref="IconTooltip"/>.
+        /// </summary>
+        /// <remarks>
+        /// Parentheses are added to the tooltip, surrounding the value of this property. If this property is <c>string.Empty</c>,
+        /// the tooltip will not have parentheses.
+        /// </remarks>
+        public virtual string SettingDescription
+        {
+            get
+            {
+                var tooltipTexts = new List<string>();
+
+                foreach ((SettingSourceAttribute attr, PropertyInfo property) in this.GetOrderedSettingsSourceProperties())
+                {
+                    object bindableObj = property.GetValue(this);
+
+                    if ((bindableObj as IHasDefaultValue)?.IsDefault == true)
+                        continue;
+
+                    tooltipTexts.Add($"{attr.Label} {bindableObj}");
+                }
+
+                return string.Join(", ", tooltipTexts.Where(s => !string.IsNullOrEmpty(s)));
+            }
+        }
+
         /// <summary>
         /// The score multiplier of this mod.
         /// </summary>

osu.Game/Rulesets/Mods/ModDifficultyAdjust.cs

@@ -7,6 +7,7 @@ using osu.Framework.Graphics.Sprites;
 using System;
 using System.Collections.Generic;
 using osu.Game.Configuration;
+using System.Linq;
 
 namespace osu.Game.Rulesets.Mods
 {
@@ -52,6 +53,21 @@ namespace osu.Game.Rulesets.Mods
             Value = 5,
         };
 
+        public override string SettingDescription
+        {
+            get
+            {
+                string drainRate = DrainRate.IsDefault ? string.Empty : $"HP {DrainRate.Value:N1}";
+                string overallDifficulty = OverallDifficulty.IsDefault ? string.Empty : $"OD {OverallDifficulty.Value:N1}";
+
+                return string.Join(", ", new[]
+                {
+                    drainRate,
+                    overallDifficulty
+                }.Where(s => !string.IsNullOrEmpty(s)));
+            }
+        }
+
         private BeatmapDifficulty difficulty;
 
         public void ReadFromDifficulty(BeatmapDifficulty difficulty)
@@ -79,7 +95,7 @@ namespace osu.Game.Rulesets.Mods
 
         /// <summary>
         /// Transfer a setting from <see cref="BeatmapDifficulty"/> to a configuration bindable.
-        /// Only performs the transfer if the user it not currently overriding..
+        /// Only performs the transfer if the user is not currently overriding.
         /// </summary>
         protected void TransferSetting<T>(BindableNumber<T> bindable, T beatmapDefault)
             where T : struct, IComparable<T>, IConvertible, IEquatable<T>

osu.Game/Rulesets/Mods/ModEasy.cs

@@ -2,6 +2,7 @@
 // See the LICENCE file in the repository root for full licence text.
 
 using System;
+using Humanizer;
 using osu.Framework.Bindables;
 using osu.Framework.Graphics.Sprites;
 using osu.Game.Beatmaps;
@@ -28,6 +29,8 @@ namespace osu.Game.Rulesets.Mods
             MaxValue = 10
         };
 
+        public override string SettingDescription => Retries.IsDefault ? string.Empty : $"{"lives".ToQuantity(Retries.Value)}";
+
         private int retries;
 
         private BindableNumber<double> health;

osu.Game/Rulesets/Mods/ModRateAdjust.cs

@@ -15,5 +15,7 @@ namespace osu.Game.Rulesets.Mods
         {
             track.AddAdjustment(AdjustableProperty.Tempo, SpeedChange);
         }
+
+        public override string SettingDescription => SpeedChange.IsDefault ? string.Empty : $"{SpeedChange.Value:N2}x";
     }
 }

osu.Game/Rulesets/Mods/ModTimeRamp.cs

@@ -26,6 +26,8 @@ namespace osu.Game.Rulesets.Mods
         [SettingSource("Final rate", "The final speed to ramp to")]
         public abstract BindableNumber<double> FinalRate { get; }
 
+        public override string SettingDescription => $"{InitialRate.Value:N2}x to {FinalRate.Value:N2}x";
+
         private double finalRateTime;
         private double beginRampTime;
 

osu.Game/Rulesets/Objects/Drawables/DrawableHitObject.cs

@@ -38,6 +38,15 @@ namespace osu.Game.Rulesets.Objects.Drawables
         private readonly Lazy<List<DrawableHitObject>> nestedHitObjects = new Lazy<List<DrawableHitObject>>();
         public IReadOnlyList<DrawableHitObject> NestedHitObjects => nestedHitObjects.IsValueCreated ? nestedHitObjects.Value : (IReadOnlyList<DrawableHitObject>)Array.Empty<DrawableHitObject>();
 
+        /// <summary>
+        /// Whether this object should handle any user input events.
+        /// </summary>
+        public bool HandleUserInput { get; set; } = true;
+
+        public override bool PropagatePositionalInputSubTree => HandleUserInput;
+
+        public override bool PropagateNonPositionalInputSubTree => HandleUserInput;
+
         /// <summary>
         /// Invoked when a <see cref="JudgementResult"/> has been applied by this <see cref="DrawableHitObject"/> or a nested <see cref="DrawableHitObject"/>.
         /// </summary>
@@ -344,7 +353,7 @@ namespace osu.Game.Rulesets.Objects.Drawables
         /// Plays all the hit sounds for this <see cref="DrawableHitObject"/>.
         /// This is invoked automatically when this <see cref="DrawableHitObject"/> is hit.
         /// </summary>
-        public void PlaySamples() => Samples?.Play();
+        public virtual void PlaySamples() => Samples?.Play();
 
         protected override void Update()
         {

osu.Game/Rulesets/UI/DrawableRuleset.cs

@@ -72,9 +72,9 @@ namespace osu.Game.Rulesets.UI
         /// </summary>
         public override Playfield Playfield => playfield.Value;
 
-        private Container overlays;
+        public override Container Overlays { get; } = new Container { RelativeSizeAxes = Axes.Both };
 
-        public override Container Overlays => overlays;
+        public override Container FrameStableComponents { get; } = new Container { RelativeSizeAxes = Axes.Both };
 
         public override GameplayClock FrameStableClock => frameStabilityContainer.GameplayClock;
 
@@ -187,11 +187,12 @@ namespace osu.Game.Rulesets.UI
                     FrameStablePlayback = FrameStablePlayback,
                     Children = new Drawable[]
                     {
+                        FrameStableComponents,
                         KeyBindingInputManager
                             .WithChild(CreatePlayfieldAdjustmentContainer()
                                 .WithChild(Playfield)
                             ),
-                        overlays = new Container { RelativeSizeAxes = Axes.Both }
+                        Overlays,
                     }
                 },
             };
@@ -406,10 +407,15 @@ namespace osu.Game.Rulesets.UI
         public abstract Playfield Playfield { get; }
 
         /// <summary>
-        /// Place to put drawables above hit objects but below UI.
+        /// Content to be placed above hitobjects. Will be affected by frame stability.
         /// </summary>
         public abstract Container Overlays { get; }
 
+        /// <summary>
+        /// Components to be run potentially multiple times in line with frame-stable gameplay.
+        /// </summary>
+        public abstract Container FrameStableComponents { get; }
+
         /// <summary>
         /// The frame-stable clock which is being used for playfield display.
         /// </summary>

osu.Game/Rulesets/UI/FrameStabilityContainer.cs

@@ -13,7 +13,7 @@ namespace osu.Game.Rulesets.UI
 {
     /// <summary>
     /// A container which consumes a parent gameplay clock and standardises frame counts for children.
-    /// Will ensure a minimum of 40 frames per clock second is maintained, regardless of any system lag or seeks.
+    /// Will ensure a minimum of 50 frames per clock second is maintained, regardless of any system lag or seeks.
     /// </summary>
     public class FrameStabilityContainer : Container, IHasReplayHandler
     {

osu.Game/Rulesets/UI/ModIcon.cs

@@ -28,7 +28,7 @@ namespace osu.Game.Rulesets.UI
 
         private readonly ModType type;
 
-        public virtual string TooltipText { get; }
+        public virtual string TooltipText => mod.IconTooltip;
 
         private Mod mod;
 
@@ -48,8 +48,6 @@ namespace osu.Game.Rulesets.UI
 
             type = mod.Type;
 
-            TooltipText = mod.Name;
-
             Size = new Vector2(size);
 
             Children = new Drawable[]

osu.Game/Scoring/Legacy/LegacyScoreDecoder.cs

@@ -28,10 +28,11 @@ namespace osu.Game.Scoring.Legacy
         {
             var score = new Score
             {
-                ScoreInfo = new ScoreInfo(),
                 Replay = new Replay()
             };
 
+            WorkingBeatmap workingBeatmap;
+
             using (SerializationReader sr = new SerializationReader(stream))
             {
                 currentRuleset = GetRuleset(sr.ReadByte());
@@ -41,13 +42,10 @@ namespace osu.Game.Scoring.Legacy
 
                 var version = sr.ReadInt32();
 
-                var workingBeatmap = GetBeatmap(sr.ReadString());
+                workingBeatmap = GetBeatmap(sr.ReadString());
                 if (workingBeatmap is DummyWorkingBeatmap)
                     throw new BeatmapNotFoundException();
 
-                currentBeatmap = workingBeatmap.Beatmap;
-                scoreInfo.Beatmap = currentBeatmap.BeatmapInfo;
-
                 scoreInfo.User = new User { Username = sr.ReadString() };
 
                 // MD5Hash
@@ -68,6 +66,9 @@ namespace osu.Game.Scoring.Legacy
 
                 scoreInfo.Mods = currentRuleset.ConvertFromLegacyMods((LegacyMods)sr.ReadInt32()).ToArray();
 
+                currentBeatmap = workingBeatmap.GetPlayableBeatmap(currentRuleset.RulesetInfo, scoreInfo.Mods);
+                scoreInfo.Beatmap = currentBeatmap.BeatmapInfo;
+
                 /* score.HpGraphString = */
                 sr.ReadString();
 
@@ -113,6 +114,10 @@ namespace osu.Game.Scoring.Legacy
 
             CalculateAccuracy(score.ScoreInfo);
 
+            // before returning for database import, we must restore the database-sourced BeatmapInfo.
+            // if not, the clone operation in GetPlayableBeatmap will cause a dereference and subsequent database exception.
+            score.ScoreInfo.Beatmap = workingBeatmap.BeatmapInfo;
+
             return score;
         }
 

osu.Game/Screens/Play/BreakOverlay.cs

@@ -2,8 +2,6 @@
 // See the LICENCE file in the repository root for full licence text.
 
 using System.Collections.Generic;
-using osu.Framework.Allocation;
-using osu.Framework.Bindables;
 using osu.Framework.Graphics;
 using osu.Framework.Graphics.Containers;
 using osu.Framework.Graphics.Shapes;
@@ -16,8 +14,6 @@ namespace osu.Game.Screens.Play
 {
     public class BreakOverlay : Container
     {
-        private readonly ScoreProcessor scoreProcessor;
-
         /// <summary>
         /// The duration of the break overlay fading.
         /// </summary>
@@ -37,10 +33,6 @@ namespace osu.Game.Screens.Play
             {
                 breaks = value;
 
-                // reset index in case the new breaks list is smaller than last one
-                isBreakTime.Value = false;
-                CurrentBreakIndex = 0;
-
                 if (IsLoaded)
                     initializeBreaks();
             }
@@ -48,27 +40,17 @@ namespace osu.Game.Screens.Play
 
         public override bool RemoveCompletedTransforms => false;
 
-        /// <summary>
-        /// Whether the gameplay is currently in a break.
-        /// </summary>
-        public IBindable<bool> IsBreakTime => isBreakTime;
-
-        protected int CurrentBreakIndex;
-
-        private readonly BindableBool isBreakTime = new BindableBool();
-
         private readonly Container remainingTimeAdjustmentBox;
         private readonly Container remainingTimeBox;
         private readonly RemainingTimeCounter remainingTimeCounter;
-        private readonly BreakInfo info;
         private readonly BreakArrows breakArrows;
-        private readonly double gameplayStartTime;
 
-        public BreakOverlay(bool letterboxing, double gameplayStartTime = 0, ScoreProcessor scoreProcessor = null)
+        public BreakOverlay(bool letterboxing, ScoreProcessor scoreProcessor)
         {
-            this.gameplayStartTime = gameplayStartTime;
-            this.scoreProcessor = scoreProcessor;
             RelativeSizeAxes = Axes.Both;
+
+            BreakInfo info;
+
             Child = fadeContainer = new Container
             {
                 Alpha = 0,
@@ -119,13 +101,11 @@ namespace osu.Game.Screens.Play
                 }
             };
 
-            if (scoreProcessor != null) bindProcessor(scoreProcessor);
-        }
-
-        [BackgroundDependencyLoader(true)]
-        private void load(GameplayClock clock)
-        {
-            if (clock != null) Clock = clock;
+            if (scoreProcessor != null)
+            {
+                info.AccuracyDisplay.Current.BindTo(scoreProcessor.Accuracy);
+                info.GradeDisplay.Current.BindTo(scoreProcessor.Rank);
+            }
         }
 
         protected override void LoadComplete()
@@ -134,42 +114,6 @@ namespace osu.Game.Screens.Play
             initializeBreaks();
         }
 
-        protected override void Update()
-        {
-            base.Update();
-            updateBreakTimeBindable();
-        }
-
-        private void updateBreakTimeBindable() =>
-            isBreakTime.Value = getCurrentBreak()?.HasEffect == true
-                                || Clock.CurrentTime < gameplayStartTime
-                                || scoreProcessor?.HasCompleted == true;
-
-        private BreakPeriod getCurrentBreak()
-        {
-            if (breaks?.Count > 0)
-            {
-                var time = Clock.CurrentTime;
-
-                if (time > breaks[CurrentBreakIndex].EndTime)
-                {
-                    while (time > breaks[CurrentBreakIndex].EndTime && CurrentBreakIndex < breaks.Count - 1)
-                        CurrentBreakIndex++;
-                }
-                else
-                {
-                    while (time < breaks[CurrentBreakIndex].StartTime && CurrentBreakIndex > 0)
-                        CurrentBreakIndex--;
-                }
-
-                var closest = breaks[CurrentBreakIndex];
-
-                return closest.Contains(time) ? closest : null;
-            }
-
-            return null;
-        }
-
         private void initializeBreaks()
         {
             FinishTransforms(true);
@@ -207,11 +151,5 @@ namespace osu.Game.Screens.Play
                 }
             }
         }
-
-        private void bindProcessor(ScoreProcessor processor)
-        {
-            info.AccuracyDisplay.Current.BindTo(processor.Accuracy);
-            info.GradeDisplay.Current.BindTo(processor.Rank);
-        }
     }
 }

osu.Game/Screens/Play/BreakTracker.cs

@@ -0,0 +1,82 @@
+// 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 osu.Framework.Bindables;
+using osu.Framework.Graphics;
+using osu.Game.Beatmaps.Timing;
+using osu.Game.Rulesets.Scoring;
+
+namespace osu.Game.Screens.Play
+{
+    public class BreakTracker : Component
+    {
+        private readonly ScoreProcessor scoreProcessor;
+
+        private readonly double gameplayStartTime;
+
+        /// <summary>
+        /// Whether the gameplay is currently in a break.
+        /// </summary>
+        public IBindable<bool> IsBreakTime => isBreakTime;
+
+        protected int CurrentBreakIndex;
+
+        private readonly BindableBool isBreakTime = new BindableBool();
+
+        private IReadOnlyList<BreakPeriod> breaks;
+
+        public IReadOnlyList<BreakPeriod> Breaks
+        {
+            get => breaks;
+            set
+            {
+                breaks = value;
+
+                // reset index in case the new breaks list is smaller than last one
+                isBreakTime.Value = false;
+                CurrentBreakIndex = 0;
+            }
+        }
+
+        public BreakTracker(double gameplayStartTime = 0, ScoreProcessor scoreProcessor = null)
+        {
+            this.gameplayStartTime = gameplayStartTime;
+            this.scoreProcessor = scoreProcessor;
+        }
+
+        protected override void Update()
+        {
+            base.Update();
+
+            isBreakTime.Value = getCurrentBreak()?.HasEffect == true
+                                || Clock.CurrentTime < gameplayStartTime
+                                || scoreProcessor?.HasCompleted == true;
+        }
+
+        private BreakPeriod getCurrentBreak()
+        {
+            if (breaks?.Count > 0)
+            {
+                var time = Clock.CurrentTime;
+
+                if (time > breaks[CurrentBreakIndex].EndTime)
+                {
+                    while (time > breaks[CurrentBreakIndex].EndTime && CurrentBreakIndex < breaks.Count - 1)
+                        CurrentBreakIndex++;
+                }
+                else
+                {
+                    while (time < breaks[CurrentBreakIndex].StartTime && CurrentBreakIndex > 0)
+                        CurrentBreakIndex--;
+                }
+
+                var closest = breaks[CurrentBreakIndex];
+
+                return closest.Contains(time) ? closest : null;
+            }
+
+            return null;
+        }
+    }
+}

osu.Game/Screens/Play/Player.cs

@@ -76,6 +76,8 @@ namespace osu.Game.Screens.Play
 
         public BreakOverlay BreakOverlay;
 
+        private BreakTracker breakTracker;
+
         protected ScoreProcessor ScoreProcessor { get; private set; }
 
         protected HealthProcessor HealthProcessor { get; private set; }
@@ -204,7 +206,7 @@ namespace osu.Game.Screens.Play
             foreach (var mod in Mods.Value.OfType<IApplicableToHealthProcessor>())
                 mod.ApplyToHealthProcessor(HealthProcessor);
 
-            BreakOverlay.IsBreakTime.BindValueChanged(onBreakTimeChanged, true);
+            breakTracker.IsBreakTime.BindValueChanged(onBreakTimeChanged, true);
         }
 
         private void addUnderlayComponents(Container target)
@@ -231,12 +233,30 @@ namespace osu.Game.Screens.Play
                 DrawableRuleset,
                 new ComboEffects(ScoreProcessor)
             });
+
+            DrawableRuleset.FrameStableComponents.AddRange(new Drawable[]
+            {
+                ScoreProcessor,
+                HealthProcessor,
+                breakTracker = new BreakTracker(DrawableRuleset.GameplayStartTime, ScoreProcessor)
+                {
+                    Breaks = working.Beatmap.Breaks
+                }
+            });
+
+            HealthProcessor.IsBreakTime.BindTo(breakTracker.IsBreakTime);
         }
 
         private void addOverlayComponents(Container target, WorkingBeatmap working)
         {
             target.AddRange(new[]
             {
+                BreakOverlay = new BreakOverlay(working.Beatmap.BeatmapInfo.LetterboxInBreaks, ScoreProcessor)
+                {
+                    Clock = DrawableRuleset.FrameStableClock,
+                    ProcessCustomClock = false,
+                    Breaks = working.Beatmap.Breaks
+                },
                 // display the cursor above some HUD elements.
                 DrawableRuleset.Cursor?.CreateProxy() ?? new Container(),
                 DrawableRuleset.ResumeOverlay?.CreateProxy() ?? new Container(),
@@ -293,20 +313,8 @@ namespace osu.Game.Screens.Play
                         performImmediateExit();
                     },
                 },
-                failAnimation = new FailAnimation(DrawableRuleset) { OnComplete = onFailComplete, }
+                failAnimation = new FailAnimation(DrawableRuleset) { OnComplete = onFailComplete, },
             });
-
-            DrawableRuleset.Overlays.Add(BreakOverlay = new BreakOverlay(working.Beatmap.BeatmapInfo.LetterboxInBreaks, DrawableRuleset.GameplayStartTime, ScoreProcessor)
-            {
-                Anchor = Anchor.Centre,
-                Origin = Anchor.Centre,
-                Breaks = working.Beatmap.Breaks
-            });
-
-            DrawableRuleset.Overlays.Add(ScoreProcessor);
-            DrawableRuleset.Overlays.Add(HealthProcessor);
-
-            HealthProcessor.IsBreakTime.BindTo(BreakOverlay.IsBreakTime);
         }
 
         private void onBreakTimeChanged(ValueChangedEvent<bool> isBreakTime)
@@ -318,7 +326,7 @@ namespace osu.Game.Screens.Play
         private void updatePauseOnFocusLostState() =>
             HUDOverlay.HoldToQuit.PauseOnFocusLost = PauseOnFocusLost
                                                      && !DrawableRuleset.HasReplayLoaded.Value
-                                                     && !BreakOverlay.IsBreakTime.Value;
+                                                     && !breakTracker.IsBreakTime.Value;
 
         private IBeatmap loadPlayableBeatmap()
         {
@@ -540,7 +548,7 @@ namespace osu.Game.Screens.Play
             PauseOverlay.Hide();
 
             // breaks and time-based conditions may allow instant resume.
-            if (BreakOverlay.IsBreakTime.Value)
+            if (breakTracker.IsBreakTime.Value)
                 completeResume();
             else
                 DrawableRuleset.RequestResume(completeResume);
@@ -574,8 +582,8 @@ namespace osu.Game.Screens.Play
             Background.BlurAmount.Value = 0;
 
             // bind component bindables.
-            Background.IsBreakTime.BindTo(BreakOverlay.IsBreakTime);
-            DimmableStoryboard.IsBreakTime.BindTo(BreakOverlay.IsBreakTime);
+            Background.IsBreakTime.BindTo(breakTracker.IsBreakTime);
+            DimmableStoryboard.IsBreakTime.BindTo(breakTracker.IsBreakTime);
 
             Background.StoryboardReplacesBackground.BindTo(storyboardReplacesBackground);
             DimmableStoryboard.StoryboardReplacesBackground.BindTo(storyboardReplacesBackground);
@@ -629,6 +637,39 @@ namespace osu.Game.Screens.Play
             return base.OnExiting(next);
         }
 
+        protected virtual void GotoRanking()
+        {
+            if (DrawableRuleset.ReplayScore != null)
+            {
+                // if a replay is present, we likely don't want to import into the local database.
+                this.Push(CreateResults(CreateScore()));
+                return;
+            }
+
+            LegacyByteArrayReader replayReader = null;
+
+            var score = new Score { ScoreInfo = CreateScore() };
+
+            if (recordingReplay?.Frames.Count > 0)
+            {
+                score.Replay = recordingReplay;
+
+                using (var stream = new MemoryStream())
+                {
+                    new LegacyScoreEncoder(score, gameplayBeatmap.PlayableBeatmap).Encode(stream);
+                    replayReader = new LegacyByteArrayReader(stream.ToArray(), "replay.osr");
+                }
+            }
+
+            scoreManager.Import(score.ScoreInfo, replayReader)
+                        .ContinueWith(imported => Schedule(() =>
+                        {
+                            // screen may be in the exiting transition phase.
+                            if (this.IsCurrentScreen())
+                                this.Push(CreateResults(imported.Result));
+                        }));
+        }
+
         private void fadeOut(bool instant = false)
         {
             float fadeOutDuration = instant ? 0 : 250;
@@ -641,36 +682,7 @@ namespace osu.Game.Screens.Play
         private void scheduleGotoRanking()
         {
             completionProgressDelegate?.Cancel();
-            completionProgressDelegate = Schedule(delegate
-            {
-                if (DrawableRuleset.ReplayScore != null)
-                    this.Push(CreateResults(DrawableRuleset.ReplayScore.ScoreInfo));
-                else
-                {
-                    var score = new Score { ScoreInfo = CreateScore() };
-
-                    LegacyByteArrayReader replayReader = null;
-
-                    if (recordingReplay?.Frames.Count > 0)
-                    {
-                        score.Replay = recordingReplay;
-
-                        using (var stream = new MemoryStream())
-                        {
-                            new LegacyScoreEncoder(score, gameplayBeatmap).Encode(stream);
-                            replayReader = new LegacyByteArrayReader(stream.ToArray(), "replay.osr");
-                        }
-                    }
-
-                    scoreManager.Import(score.ScoreInfo, replayReader)
-                                .ContinueWith(imported => Schedule(() =>
-                                {
-                                    // screen may be in the exiting transition phase.
-                                    if (this.IsCurrentScreen())
-                                        this.Push(CreateResults(imported.Result));
-                                }));
-                }
-            });
+            completionProgressDelegate = Schedule(GotoRanking);
         }
 
         #endregion

osu.Game/Screens/Play/ReplayPlayer.cs

@@ -1,7 +1,9 @@
 // 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.Screens;
 using osu.Game.Scoring;
+using osu.Game.Screens.Ranking;
 
 namespace osu.Game.Screens.Play
 {
@@ -23,6 +25,13 @@ namespace osu.Game.Screens.Play
             DrawableRuleset?.SetReplayScore(score);
         }
 
+        protected override void GotoRanking()
+        {
+            this.Push(CreateResults(DrawableRuleset.ReplayScore.ScoreInfo));
+        }
+
+        protected override ResultsScreen CreateResults(ScoreInfo score) => new ResultsScreen(score, false);
+
         protected override ScoreInfo CreateScore() => score.ScoreInfo;
     }
 }

osu.Game/Screens/Ranking/ResultsScreen.cs

@@ -31,23 +31,28 @@ namespace osu.Game.Screens.Ranking
         [Resolved(CanBeNull = true)]
         private Player player { get; set; }
 
-        private readonly ScoreInfo score;
+        public readonly ScoreInfo Score;
+
+        private readonly bool allowRetry;
 
         private Drawable bottomPanel;
 
-        public ResultsScreen(ScoreInfo score)
+        public ResultsScreen(ScoreInfo score, bool allowRetry = true)
         {
-            this.score = score;
+            Score = score;
+            this.allowRetry = allowRetry;
         }
 
         [BackgroundDependencyLoader]
         private void load()
         {
+            FillFlowContainer buttons;
+
             InternalChildren = new[]
             {
                 new ResultsScrollContainer
                 {
-                    Child = new ScorePanel(score)
+                    Child = new ScorePanel(Score)
                     {
                         Anchor = Anchor.Centre,
                         Origin = Anchor.Centre,
@@ -68,7 +73,7 @@ namespace osu.Game.Screens.Ranking
                             RelativeSizeAxes = Axes.Both,
                             Colour = Color4Extensions.FromHex("#333")
                         },
-                        new FillFlowContainer
+                        buttons = new FillFlowContainer
                         {
                             Anchor = Anchor.Centre,
                             Origin = Anchor.Centre,
@@ -77,16 +82,17 @@ namespace osu.Game.Screens.Ranking
                             Direction = FillDirection.Horizontal,
                             Children = new Drawable[]
                             {
-                                new ReplayDownloadButton(score) { Width = 300 },
-                                new RetryButton { Width = 300 },
+                                new ReplayDownloadButton(Score) { Width = 300 },
                             }
                         }
                     }
                 }
             };
 
-            if (player != null)
+            if (player != null && allowRetry)
             {
+                buttons.Add(new RetryButton { Width = 300 });
+
                 AddInternal(new HotkeyRetryOverlay
                 {
                     Action = () =>

osu.Game/Screens/Select/BeatmapCarousel.cs

@@ -253,46 +253,37 @@ namespace osu.Game.Screens.Select
         /// <param name="skipDifficulties">Whether to skip individual difficulties and only increment over full groups.</param>
         public void SelectNext(int direction = 1, bool skipDifficulties = true)
         {
-            var visibleItems = Items.Where(s => !s.Item.Filtered.Value).ToList();
-
-            if (!visibleItems.Any())
+            if (beatmapSets.All(s => s.Filtered.Value))
                 return;
 
-            DrawableCarouselItem drawable = null;
+            if (skipDifficulties)
+                selectNextSet(direction, true);
+            else
+                selectNextDifficulty(direction);
+        }
 
-            if (selectedBeatmap != null && (drawable = selectedBeatmap.Drawables.FirstOrDefault()) == null)
-                // if the selected beatmap isn't present yet, we can't correctly change selection.
-                // we can fix this by changing this method to not reference drawables / Items in the first place.
-                return;
+        private void selectNextSet(int direction, bool skipDifficulties)
+        {
+            var unfilteredSets = beatmapSets.Where(s => !s.Filtered.Value).ToList();
 
-            int originalIndex = visibleItems.IndexOf(drawable);
-            int currentIndex = originalIndex;
+            var nextSet = unfilteredSets[(unfilteredSets.IndexOf(selectedBeatmapSet) + direction + unfilteredSets.Count) % unfilteredSets.Count];
 
-            // local function to increment the index in the required direction, wrapping over extremities.
-            int incrementIndex() => currentIndex = (currentIndex + direction + visibleItems.Count) % visibleItems.Count;
+            if (skipDifficulties)
+                select(nextSet);
+            else
+                select(direction > 0 ? nextSet.Beatmaps.First(b => !b.Filtered.Value) : nextSet.Beatmaps.Last(b => !b.Filtered.Value));
+        }
 
-            while (incrementIndex() != originalIndex)
-            {
-                var item = visibleItems[currentIndex].Item;
+        private void selectNextDifficulty(int direction)
+        {
+            var unfilteredDifficulties = selectedBeatmapSet.Children.Where(s => !s.Filtered.Value).ToList();
 
-                if (item.Filtered.Value || item.State.Value == CarouselItemState.Selected) continue;
+            int index = unfilteredDifficulties.IndexOf(selectedBeatmap);
 
-                switch (item)
-                {
-                    case CarouselBeatmap beatmap:
-                        if (skipDifficulties) continue;
-
-                        select(beatmap);
-                        return;
-
-                    case CarouselBeatmapSet set:
-                        if (skipDifficulties)
-                            select(set);
-                        else
-                            select(direction > 0 ? set.Beatmaps.First(b => !b.Filtered.Value) : set.Beatmaps.Last(b => !b.Filtered.Value));
-                        return;
-                }
-            }
+            if (index + direction < 0 || index + direction >= unfilteredDifficulties.Count)
+                selectNextSet(direction, false);
+            else
+                select(unfilteredDifficulties[index + direction]);
         }
 
         /// <summary>

osu.Game/Skinning/LegacyBeatmapSkin.cs

@@ -9,6 +9,8 @@ namespace osu.Game.Skinning
 {
     public class LegacyBeatmapSkin : LegacySkin
     {
+        protected override bool AllowManiaSkin => false;
+
         public LegacyBeatmapSkin(BeatmapInfo beatmap, IResourceStore<byte[]> storage, AudioManager audioManager)
             : base(createSkinInfo(beatmap), new LegacySkinResourceStore<BeatmapSetFileInfo>(beatmap.BeatmapSet, storage), audioManager, beatmap.Path)
         {

osu.Game/Skinning/LegacyManiaSkinConfiguration.cs

@@ -0,0 +1,30 @@
+// 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;
+
+namespace osu.Game.Skinning
+{
+    public class LegacyManiaSkinConfiguration
+    {
+        public readonly int Keys;
+
+        public readonly float[] ColumnLineWidth;
+        public readonly float[] ColumnSpacing;
+        public readonly float[] ColumnWidth;
+
+        public float HitPosition = 124.8f; // (480 - 402) * 1.6f
+
+        public LegacyManiaSkinConfiguration(int keys)
+        {
+            Keys = keys;
+
+            ColumnLineWidth = new float[keys + 1];
+            ColumnSpacing = new float[keys - 1];
+            ColumnWidth = new float[keys];
+
+            ColumnLineWidth.AsSpan().Fill(2);
+            ColumnWidth.AsSpan().Fill(48);
+        }
+    }
+}

osu.Game/Skinning/LegacyManiaSkinConfigurationLookup.cs

@@ -0,0 +1,23 @@
+// 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.Skinning
+{
+    public class LegacyManiaSkinConfigurationLookup
+    {
+        public readonly int Keys;
+        public readonly LegacyManiaSkinConfigurationLookups Lookup;
+        public readonly int? TargetColumn;
+
+        public LegacyManiaSkinConfigurationLookup(int keys, LegacyManiaSkinConfigurationLookups lookup, int? targetColumn = null)
+        {
+            Keys = keys;
+            Lookup = lookup;
+            TargetColumn = targetColumn;
+        }
+    }
+
+    public enum LegacyManiaSkinConfigurationLookups
+    {
+    }
+}

osu.Game/Skinning/LegacyManiaSkinDecoder.cs

@@ -0,0 +1,110 @@
+// 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.Diagnostics;
+using System.Globalization;
+using System.Linq;
+using osu.Game.Beatmaps.Formats;
+
+namespace osu.Game.Skinning
+{
+    public class LegacyManiaSkinDecoder : LegacyDecoder<List<LegacyManiaSkinConfiguration>>
+    {
+        private const float size_scale_factor = 1.6f;
+
+        public LegacyManiaSkinDecoder()
+            : base(1)
+        {
+        }
+
+        private readonly List<string> pendingLines = new List<string>();
+        private LegacyManiaSkinConfiguration currentConfig;
+
+        protected override void OnBeginNewSection(Section section)
+        {
+            base.OnBeginNewSection(section);
+
+            // If a new section is reached with pending lines remaining, they can all be discarded as there isn't a valid configuration to parse them into.
+            pendingLines.Clear();
+            currentConfig = null;
+        }
+
+        protected override void ParseLine(List<LegacyManiaSkinConfiguration> output, Section section, string line)
+        {
+            line = StripComments(line);
+
+            switch (section)
+            {
+                case Section.Mania:
+                    var pair = SplitKeyVal(line);
+
+                    switch (pair.Key)
+                    {
+                        case "Keys":
+                            currentConfig = new LegacyManiaSkinConfiguration(int.Parse(pair.Value, CultureInfo.InvariantCulture));
+
+                            // Silently ignore duplicate configurations.
+                            if (output.All(c => c.Keys != currentConfig.Keys))
+                                output.Add(currentConfig);
+
+                            // All existing lines can be flushed now that we have a valid configuration.
+                            flushPendingLines();
+                            break;
+
+                        default:
+                            pendingLines.Add(line);
+
+                            // Hold all lines until a "Keys" item is found.
+                            if (currentConfig != null)
+                                flushPendingLines();
+                            break;
+                    }
+
+                    break;
+            }
+        }
+
+        private void flushPendingLines()
+        {
+            Debug.Assert(currentConfig != null);
+
+            foreach (var line in pendingLines)
+            {
+                var pair = SplitKeyVal(line);
+
+                switch (pair.Key)
+                {
+                    case "ColumnLineWidth":
+                        parseArrayValue(pair.Value, currentConfig.ColumnLineWidth);
+                        break;
+
+                    case "ColumnSpacing":
+                        parseArrayValue(pair.Value, currentConfig.ColumnSpacing);
+                        break;
+
+                    case "ColumnWidth":
+                        parseArrayValue(pair.Value, currentConfig.ColumnWidth);
+                        break;
+
+                    case "HitPosition":
+                        currentConfig.HitPosition = (480 - float.Parse(pair.Value, CultureInfo.InvariantCulture)) * size_scale_factor;
+                        break;
+                }
+            }
+        }
+
+        private void parseArrayValue(string value, float[] output)
+        {
+            string[] values = value.Split(',');
+
+            for (int i = 0; i < values.Length; i++)
+            {
+                if (i >= output.Length)
+                    break;
+
+                output[i] = float.Parse(values[i], CultureInfo.InvariantCulture) * size_scale_factor;
+            }
+        }
+    }
+}

osu.Game/Skinning/LegacySkin.cs

@@ -26,12 +26,16 @@ namespace osu.Game.Skinning
         [CanBeNull]
         protected IResourceStore<SampleChannel> Samples;
 
+        protected virtual bool AllowManiaSkin => true;
+
         public new LegacySkinConfiguration Configuration
         {
             get => base.Configuration as LegacySkinConfiguration;
             set => base.Configuration = value;
         }
 
+        private readonly Dictionary<int, LegacyManiaSkinConfiguration> maniaConfigurations = new Dictionary<int, LegacyManiaSkinConfiguration>();
+
         public LegacySkin(SkinInfo skin, IResourceStore<byte[]> storage, AudioManager audioManager)
             : this(skin, new LegacySkinResourceStore<SkinFileInfo>(skin, storage), audioManager, "skin.ini")
         {
@@ -40,15 +44,26 @@ namespace osu.Game.Skinning
         protected LegacySkin(SkinInfo skin, IResourceStore<byte[]> storage, AudioManager audioManager, string filename)
             : base(skin)
         {
-            Stream stream = storage?.GetStream(filename);
-
-            if (stream != null)
+            using (var stream = storage?.GetStream(filename))
             {
-                using (LineBufferedReader reader = new LineBufferedReader(stream))
-                    Configuration = new LegacySkinDecoder().Decode(reader);
+                if (stream != null)
+                {
+                    using (LineBufferedReader reader = new LineBufferedReader(stream, true))
+                        Configuration = new LegacySkinDecoder().Decode(reader);
+
+                    stream.Seek(0, SeekOrigin.Begin);
+
+                    using (LineBufferedReader reader = new LineBufferedReader(stream))
+                    {
+                        var maniaList = new LegacyManiaSkinDecoder().Decode(reader);
+
+                        foreach (var config in maniaList)
+                            maniaConfigurations[config.Keys] = config;
+                    }
+                }
+                else
+                    Configuration = new LegacySkinConfiguration { LegacyVersion = LegacySkinConfiguration.LATEST_VERSION };
             }
-            else
-                Configuration = new LegacySkinConfiguration { LegacyVersion = LegacySkinConfiguration.LATEST_VERSION };
 
             if (storage != null)
             {
@@ -105,6 +120,15 @@ namespace osu.Game.Skinning
                 case SkinCustomColourLookup customColour:
                     return SkinUtils.As<TValue>(getCustomColour(customColour.Lookup.ToString()));
 
+                case LegacyManiaSkinConfigurationLookup legacy:
+                    if (!AllowManiaSkin)
+                        return null;
+
+                    if (!maniaConfigurations.TryGetValue(legacy.Keys, out _))
+                        maniaConfigurations[legacy.Keys] = new LegacyManiaSkinConfiguration(legacy.Keys);
+
+                    break;
+
                 default:
                     // handles lookups like GlobalSkinConfiguration
 

osu.Game/Storyboards/Drawables/DrawableStoryboard.cs

@@ -50,7 +50,7 @@ namespace osu.Game.Storyboards.Drawables
 
             AddInternal(Content = new Container<DrawableStoryboardLayer>
             {
-                Size = new Vector2(640, 480),
+                RelativeSizeAxes = Axes.Both,
                 Anchor = Anchor.Centre,
                 Origin = Anchor.Centre,
             });

osu.Game/Storyboards/Drawables/DrawableStoryboardLayer.cs

@@ -8,7 +8,7 @@ using osu.Framework.Graphics.Containers;
 
 namespace osu.Game.Storyboards.Drawables
 {
-    public class DrawableStoryboardLayer : LifetimeManagementContainer
+    public class DrawableStoryboardLayer : CompositeDrawable
     {
         public StoryboardLayer Layer { get; }
         public bool Enabled;
@@ -23,17 +23,34 @@ namespace osu.Game.Storyboards.Drawables
             Origin = Anchor.Centre;
             Enabled = layer.VisibleWhenPassing;
             Masking = layer.Masking;
+
+            InternalChild = new LayerElementContainer(layer);
         }
 
-        [BackgroundDependencyLoader]
-        private void load(CancellationToken? cancellationToken)
+        private class LayerElementContainer : LifetimeManagementContainer
         {
-            foreach (var element in Layer.Elements)
-            {
-                cancellationToken?.ThrowIfCancellationRequested();
+            private readonly StoryboardLayer storyboardLayer;
 
-                if (element.IsDrawable)
-                    AddInternal(element.CreateDrawable());
+            public LayerElementContainer(StoryboardLayer layer)
+            {
+                storyboardLayer = layer;
+
+                Width = 640;
+                Height = 480;
+                Anchor = Anchor.Centre;
+                Origin = Anchor.Centre;
+            }
+
+            [BackgroundDependencyLoader]
+            private void load(CancellationToken? cancellationToken)
+            {
+                foreach (var element in storyboardLayer.Elements)
+                {
+                    cancellationToken?.ThrowIfCancellationRequested();
+
+                    if (element.IsDrawable)
+                        AddInternal(element.CreateDrawable());
+                }
             }
         }
     }

osu.Game/Storyboards/Drawables/DrawableStoryboardVideo.cs

@@ -55,6 +55,8 @@ namespace osu.Game.Storyboards.Drawables
         {
             base.LoadComplete();
 
+            if (videoSprite == null) return;
+
             using (videoSprite.BeginAbsoluteSequence(0))
                 videoSprite.FadeIn(500);
         }

osu.Game/Tests/Visual/OsuManualInputManagerTestScene.cs

@@ -26,16 +26,16 @@ namespace osu.Game.Tests.Visual
 
         protected OsuManualInputManagerTestScene()
         {
+            MenuCursorContainer cursorContainer;
+
             base.Content.AddRange(new Drawable[]
             {
                 InputManager = new ManualInputManager
                 {
                     UseParentInput = true,
                     Child = new GlobalActionContainer(null)
-                    {
-                        RelativeSizeAxes = Axes.Both,
-                        Child = content = new MenuCursorContainer { RelativeSizeAxes = Axes.Both }
-                    },
+                        .WithChild((cursorContainer = new MenuCursorContainer { RelativeSizeAxes = Axes.Both })
+                            .WithChild(content = new OsuTooltipContainer(cursorContainer.Cursor) { RelativeSizeAxes = Axes.Both }))
                 },
                 new Container
                 {