Merge branch 'master' into update-overlay-headers

.idea/.idea.osu.Desktop/.idea/projectSettingsUpdater.xml

@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project version="4">
   <component name="RiderProjectSettingsUpdater">
-    <option name="vcsConfiguration" value="1" />
+    <option name="vcsConfiguration" value="2" />
   </component>
 </project>

global.json

@@ -5,6 +5,6 @@
     "version": "3.1.100"
   },
   "msbuild-sdks": {
-    "Microsoft.Build.Traversal": "2.0.24"
+    "Microsoft.Build.Traversal": "2.0.34"
   }
 }

osu.Android.props

@@ -51,7 +51,7 @@
     <Reference Include="Java.Interop" />
   </ItemGroup>
   <ItemGroup>
-    <PackageReference Include="ppy.osu.Game.Resources" Version="2020.315.0" />
+    <PackageReference Include="ppy.osu.Game.Resources" Version="2020.403.0" />
-    <PackageReference Include="ppy.osu.Framework.Android" Version="2020.319.0" />
+    <PackageReference Include="ppy.osu.Framework.Android" Version="2020.407.1" />
   </ItemGroup>
 </Project>

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

@@ -0,0 +1,21 @@
+// 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 osu.Game.Rulesets.Catch.Skinning;
+using osu.Game.Tests.Visual;
+
+namespace osu.Game.Rulesets.Catch.Tests
+{
+    public abstract class CatchSkinnableTestScene : SkinnableTestScene
+    {
+        public override IReadOnlyList<Type> RequiredTypes => new[]
+        {
+            typeof(CatchRuleset),
+            typeof(CatchLegacySkinTransformer),
+        };
+
+        protected override Ruleset CreateRulesetForSkinProvider() => new CatchRuleset();
+    }
+}

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

@@ -4,21 +4,21 @@
 using NUnit.Framework;
 using osu.Framework.Allocation;
 using osu.Game.Rulesets.Catch.UI;
-using osu.Game.Tests.Visual;
 using System;
 using System.Collections.Generic;
+using System.Linq;
 using osu.Framework.Graphics;
 
 namespace osu.Game.Rulesets.Catch.Tests
 {
     [TestFixture]
-    public class TestSceneCatcher : SkinnableTestScene
+    public class TestSceneCatcher : CatchSkinnableTestScene
     {
-        public override IReadOnlyList<Type> RequiredTypes => new[]
+        public override IReadOnlyList<Type> RequiredTypes => base.RequiredTypes.Concat(new[]
         {
             typeof(CatcherArea),
             typeof(CatcherSprite)
-        };
+        }).ToList();
 
         [BackgroundDependencyLoader]
         private void load()

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

@@ -17,12 +17,11 @@ using osu.Game.Rulesets.Catch.UI;
 using osu.Game.Rulesets.Judgements;
 using osu.Game.Rulesets.Scoring;
 using osu.Game.Rulesets.UI;
-using osu.Game.Tests.Visual;
 
 namespace osu.Game.Rulesets.Catch.Tests
 {
     [TestFixture]
-    public class TestSceneCatcherArea : SkinnableTestScene
+    public class TestSceneCatcherArea : CatchSkinnableTestScene
     {
         private RulesetInfo catchRuleset;
 

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

@@ -3,20 +3,20 @@
 
 using System;
 using System.Collections.Generic;
+using System.Linq;
 using NUnit.Framework;
 using osu.Framework.Graphics;
 using osu.Game.Rulesets.Catch.Objects;
 using osu.Game.Rulesets.Catch.Objects.Drawables;
 using osu.Game.Rulesets.Catch.Objects.Drawables.Pieces;
-using osu.Game.Tests.Visual;
 using osuTK;
 
 namespace osu.Game.Rulesets.Catch.Tests
 {
     [TestFixture]
-    public class TestSceneFruitObjects : SkinnableTestScene
+    public class TestSceneFruitObjects : CatchSkinnableTestScene
     {
-        public override IReadOnlyList<Type> RequiredTypes => new[]
+        public override IReadOnlyList<Type> RequiredTypes => base.RequiredTypes.Concat(new[]
         {
             typeof(CatchHitObject),
             typeof(Fruit),
@@ -30,7 +30,7 @@ namespace osu.Game.Rulesets.Catch.Tests
             typeof(DrawableBanana),
             typeof(DrawableBananaShower),
             typeof(Pulp),
-        };
+        }).ToList();
 
         protected override void LoadComplete()
         {

osu.Game.Rulesets.Catch/CatchRuleset.cs

@@ -48,7 +48,7 @@ namespace osu.Game.Rulesets.Catch
             new KeyBinding(InputKey.Shift, CatchAction.Dash),
         };
 
-        public override IEnumerable<Mod> ConvertLegacyMods(LegacyMods mods)
+        public override IEnumerable<Mod> ConvertFromLegacyMods(LegacyMods mods)
         {
             if (mods.HasFlag(LegacyMods.Nightcore))
                 yield return new CatchModNightcore();
@@ -143,7 +143,7 @@ namespace osu.Game.Rulesets.Catch
 
         public override DifficultyCalculator CreateDifficultyCalculator(WorkingBeatmap beatmap) => new CatchDifficultyCalculator(this, beatmap);
 
-        public override ISkin CreateLegacySkinProvider(ISkinSource source) => new CatchLegacySkinTransformer(source);
+        public override ISkin CreateLegacySkinProvider(ISkinSource source, IBeatmap beatmap) => new CatchLegacySkinTransformer(source);
 
         public override PerformanceCalculator CreatePerformanceCalculator(WorkingBeatmap beatmap, ScoreInfo score) => new CatchPerformanceCalculator(this, beatmap, score);
 

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/Replays/CatchReplayFrame.cs

@@ -39,7 +39,7 @@ namespace osu.Game.Rulesets.Catch.Replays
             }
         }
 
-        public void ConvertFrom(LegacyReplayFrame currentFrame, IBeatmap beatmap, ReplayFrame lastFrame = null)
+        public void FromLegacy(LegacyReplayFrame currentFrame, IBeatmap beatmap, ReplayFrame lastFrame = null)
         {
             Position = currentFrame.Position.X / CatchPlayfield.BASE_WIDTH;
             Dashing = currentFrame.ButtonState == ReplayButtonState.Left1;
@@ -56,5 +56,14 @@ namespace osu.Game.Rulesets.Catch.Replays
                     Actions.Add(CatchAction.MoveLeft);
             }
         }
+
+        public LegacyReplayFrame ToLegacy(IBeatmap beatmap)
+        {
+            ReplayButtonState state = ReplayButtonState.None;
+
+            if (Actions.Contains(CatchAction.Dash)) state |= ReplayButtonState.Left1;
+
+            return new LegacyReplayFrame(Time, Position * CatchPlayfield.BASE_WIDTH, null, state);
+        }
     }
 }

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

@@ -0,0 +1,26 @@
+// 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.Game.Replays;
+using osu.Game.Rulesets.Catch.Replays;
+using osu.Game.Rulesets.Replays;
+using osu.Game.Rulesets.UI;
+using osuTK;
+
+namespace osu.Game.Rulesets.Catch.UI
+{
+    public class CatchReplayRecorder : ReplayRecorder<CatchAction>
+    {
+        private readonly CatchPlayfield playfield;
+
+        public CatchReplayRecorder(Replay target, CatchPlayfield playfield)
+            : base(target)
+        {
+            this.playfield = playfield;
+        }
+
+        protected override ReplayFrame HandleFrame(Vector2 mousePosition, List<CatchAction> actions, ReplayFrame previousFrame)
+            => new CatchReplayFrame(Time.Current, playfield.CatcherArea.MovableCatcher.X, actions.Contains(CatchAction.Dash), previousFrame as CatchReplayFrame);
+    }
+}

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;
             }
 
@@ -379,7 +384,7 @@ namespace osu.Game.Rulesets.Catch.UI
             }
 
             currentCatcher.Show();
-            (currentCatcher.Drawable as IAnimation)?.GotoFrame(0);
+            (currentCatcher.Drawable as IFramedAnimation)?.GotoFrame(0);
         }
 
         private void beginTrail()

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

@@ -16,7 +16,7 @@ namespace osu.Game.Rulesets.Catch.UI
 
         public CatcherSprite(CatcherAnimationState state)
             : base(new CatchSkinComponent(componentFromState(state)), _ =>
-                new DefaultCatcherSprite(state), confineMode: ConfineMode.ScaleDownToFit)
+                new DefaultCatcherSprite(state), confineMode: ConfineMode.ScaleToFit)
         {
             RelativeSizeAxes = Axes.None;
             Size = new Vector2(CatcherArea.CATCHER_SIZE);

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

@@ -32,6 +32,8 @@ namespace osu.Game.Rulesets.Catch.UI
 
         protected override ReplayInputHandler CreateReplayInputHandler(Replay replay) => new CatchFramedReplayInputHandler(replay);
 
+        protected override ReplayRecorder CreateReplayRecorder(Replay replay) => new CatchReplayRecorder(replay, (CatchPlayfield)Playfield);
+
         protected override Playfield CreatePlayfield() => new CatchPlayfield(Beatmap.BeatmapInfo.BaseDifficulty, CreateDrawableRepresentation);
 
         public override PlayfieldAdjustmentContainer CreatePlayfieldAdjustmentContainer() => new CatchPlayfieldAdjustmentContainer();

osu.Game.Rulesets.Mania.Tests/ManiaColumnTypeTest.cs

@@ -0,0 +1,50 @@
+// 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.Game.Rulesets.Mania.Beatmaps;
+using NUnit.Framework;
+
+namespace osu.Game.Rulesets.Mania.Tests
+{
+    [TestFixture]
+    public class ManiaColumnTypeTest
+    {
+        [TestCase(new[]
+        {
+            ColumnType.Special
+        }, 1)]
+        [TestCase(new[]
+        {
+            ColumnType.Odd,
+            ColumnType.Even,
+            ColumnType.Even,
+            ColumnType.Odd
+        }, 4)]
+        [TestCase(new[]
+        {
+            ColumnType.Odd,
+            ColumnType.Even,
+            ColumnType.Odd,
+            ColumnType.Special,
+            ColumnType.Odd,
+            ColumnType.Even,
+            ColumnType.Odd
+        }, 7)]
+        public void Test(IEnumerable<ColumnType> expected, int columns)
+        {
+            var definition = new StageDefinition
+            {
+                Columns = columns
+            };
+            var results = getResults(definition);
+            Assert.AreEqual(expected, results);
+        }
+
+        private IEnumerable<ColumnType> getResults(StageDefinition definition)
+        {
+            for (var i = 0; i < definition.Columns; i++)
+                yield return definition.GetTypeOfColumn(i);
+        }
+    }
+}

osu.Game.Rulesets.Mania.Tests/ManiaInputTestScene.cs

@@ -25,7 +25,7 @@ namespace osu.Game.Rulesets.Mania.Tests
             {
             }
 
-            protected override RulesetKeyBindingContainer CreateKeyBindingContainer(RulesetInfo ruleset, int variant, SimultaneousBindingMode unique)
+            protected override KeyBindingContainer<ManiaAction> CreateKeyBindingContainer(RulesetInfo ruleset, int variant, SimultaneousBindingMode unique)
                 => new LocalKeyBindingContainer(ruleset, variant, unique);
 
             private class LocalKeyBindingContainer : RulesetKeyBindingContainer

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

@@ -0,0 +1,40 @@
+// 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.Beatmaps;
+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,
+                ColumnType = column % 2 == 0 ? ColumnType.Even : ColumnType.Odd
+            };
+
+            InternalChild = content = new ManiaInputManager(new ManiaRuleset().RulesetInfo, 4)
+            {
+                RelativeSizeAxes = Axes.Both
+            };
+        }
+    }
+}

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

@@ -0,0 +1,72 @@
+// 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.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,
+                        }.With(c =>
+                        {
+                            c.Add(CreateHitObject().With(h =>
+                            {
+                                h.HitObject.StartTime = START_TIME;
+                                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,
+                        }.With(c =>
+                        {
+                            c.Add(CreateHitObject().With(h =>
+                            {
+                                h.HitObject.StartTime = START_TIME;
+                                h.AccentColour.Value = Color4.Orange;
+                            }));
+                        })
+                    },
+                }
+            });
+        }
+
+        protected abstract DrawableManiaHitObject CreateHitObject();
+    }
+}

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

@@ -0,0 +1,90 @@
+// 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 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.Mania.Skinning;
+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
+    {
+        protected const double START_TIME = 1000000000;
+
+        [Cached(Type = typeof(IScrollingInfo))]
+        private readonly TestScrollingInfo scrollingInfo = new TestScrollingInfo();
+
+        public override IReadOnlyList<Type> RequiredTypes => new[]
+        {
+            typeof(ManiaRuleset),
+            typeof(ManiaLegacySkinTransformer),
+        };
+
+        protected override Ruleset CreateRulesetForSkinProvider() => new ManiaRuleset();
+
+        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 ZeroScrollAlgorithm();
+        }
+
+        private class ZeroScrollAlgorithm : IScrollAlgorithm
+        {
+            public double GetDisplayStartTime(double originTime, float offset, double timeRange, float scrollLength)
+                => double.MinValue;
+
+            public float GetLength(double startTime, double endTime, double timeRange, float scrollLength)
+                => scrollLength;
+
+            public float PositionAt(double time, double currentTime, double timeRange, float scrollLength)
+                => (float)((time - START_TIME) / timeRange) * scrollLength;
+
+            public double TimeAt(float position, double currentTime, double timeRange, float scrollLength)
+                => 0;
+
+            public void Reset()
+            {
+            }
+        }
+    }
+}

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

@@ -0,0 +1,49 @@
+// 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.Components;
+using osu.Game.Skinning;
+using osuTK;
+
+namespace osu.Game.Rulesets.Mania.Tests.Skinning
+{
+    public class TestSceneColumnBackground : ManiaSkinnableTestScene
+    {
+        [BackgroundDependencyLoader]
+        private void load()
+        {
+            SetContents(() => new FillFlowContainer
+            {
+                Anchor = Anchor.Centre,
+                Origin = Anchor.Centre,
+                RelativeSizeAxes = Axes.Both,
+                Size = new Vector2(0.8f),
+                Direction = FillDirection.Horizontal,
+                Children = new Drawable[]
+                {
+                    new ColumnTestContainer(0, ManiaAction.Key1)
+                    {
+                        RelativeSizeAxes = Axes.Both,
+                        Width = 0.5f,
+                        Child = new SkinnableDrawable(new ManiaSkinComponent(ManiaSkinComponents.ColumnBackground, 0), _ => new DefaultColumnBackground())
+                        {
+                            RelativeSizeAxes = Axes.Both
+                        }
+                    },
+                    new ColumnTestContainer(1, ManiaAction.Key2)
+                    {
+                        RelativeSizeAxes = Axes.Both,
+                        Width = 0.5f,
+                        Child = new SkinnableDrawable(new ManiaSkinComponent(ManiaSkinComponents.ColumnBackground, 0), _ => new DefaultColumnBackground())
+                        {
+                            RelativeSizeAxes = Axes.Both
+                        }
+                    }
+                }
+            });
+        }
+    }
+}

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

@@ -0,0 +1,49 @@
+// 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.Components;
+using osu.Game.Rulesets.UI;
+using osuTK;
+
+namespace osu.Game.Rulesets.Mania.Tests.Skinning
+{
+    public class TestSceneColumnHitObjectArea : ManiaSkinnableTestScene
+    {
+        [BackgroundDependencyLoader]
+        private void load()
+        {
+            SetContents(() => new FillFlowContainer
+            {
+                Anchor = Anchor.Centre,
+                Origin = Anchor.Centre,
+                RelativeSizeAxes = Axes.Both,
+                Size = new Vector2(0.8f),
+                Direction = FillDirection.Horizontal,
+                Children = new Drawable[]
+                {
+                    new ColumnTestContainer(0, ManiaAction.Key1)
+                    {
+                        RelativeSizeAxes = Axes.Both,
+                        Width = 0.5f,
+                        Child = new ColumnHitObjectArea(0, new HitObjectContainer())
+                        {
+                            RelativeSizeAxes = Axes.Both
+                        }
+                    },
+                    new ColumnTestContainer(1, ManiaAction.Key2)
+                    {
+                        RelativeSizeAxes = Axes.Both,
+                        Width = 0.5f,
+                        Child = new ColumnHitObjectArea(1, new HitObjectContainer())
+                        {
+                            RelativeSizeAxes = Axes.Both
+                        }
+                    }
+                }
+            });
+        }
+    }
+}

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

@@ -6,15 +6,14 @@ 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;
 
-namespace osu.Game.Rulesets.Mania.Tests
+namespace osu.Game.Rulesets.Mania.Tests.Skinning
 {
-    public class TestSceneDrawableJudgement : SkinnableTestScene
+    public class TestSceneDrawableJudgement : ManiaSkinnableTestScene
     {
         public override IReadOnlyList<Type> RequiredTypes => new[]
         {

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

@@ -0,0 +1,66 @@
+// 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.Allocation;
+using osu.Framework.Extensions.IEnumerableExtensions;
+using osu.Framework.Graphics;
+using osu.Framework.Graphics.Containers;
+using osu.Game.Rulesets.Mania.Objects.Drawables;
+using osu.Game.Rulesets.Mania.Objects.Drawables.Pieces;
+using osu.Game.Rulesets.Mania.UI;
+using osu.Game.Skinning;
+using osuTK;
+using osuTK.Graphics;
+
+namespace osu.Game.Rulesets.Mania.Tests.Skinning
+{
+    [TestFixture]
+    public class TestSceneHitExplosion : ManiaSkinnableTestScene
+    {
+        public override IReadOnlyList<Type> RequiredTypes => new[]
+        {
+            typeof(DrawableNote),
+            typeof(DrawableManiaHitObject),
+        };
+
+        public TestSceneHitExplosion()
+        {
+            int runcount = 0;
+
+            AddRepeatStep("explode", () =>
+            {
+                runcount++;
+
+                if (runcount % 15 > 12)
+                    return;
+
+                CreatedDrawables.OfType<Container>().ForEach(c =>
+                {
+                    c.Add(new SkinnableDrawable(new ManiaSkinComponent(ManiaSkinComponents.HitExplosion, 0),
+                        _ => new DefaultHitExplosion((runcount / 15) % 2 == 0 ? new Color4(94, 0, 57, 255) : new Color4(6, 84, 0, 255), runcount % 6 != 0)
+                        {
+                            Anchor = Anchor.Centre,
+                            Origin = Anchor.Centre,
+                        }));
+                });
+            }, 100);
+        }
+
+        [BackgroundDependencyLoader]
+        private void load()
+        {
+            SetContents(() => new ColumnTestContainer(0, ManiaAction.Key1)
+            {
+                Anchor = Anchor.Centre,
+                Origin = Anchor.Centre,
+                RelativePositionAxes = Axes.Y,
+                Y = -0.25f,
+                Size = new Vector2(Column.COLUMN_WIDTH, DefaultNotePiece.NOTE_HEIGHT),
+            });
+        }
+    }
+}

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

@@ -0,0 +1,35 @@
+// 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.Framework.Testing;
+using osu.Game.Beatmaps;
+using osu.Game.Beatmaps.ControlPoints;
+using osu.Game.Rulesets.Mania.Objects;
+using osu.Game.Rulesets.Mania.Objects.Drawables;
+
+namespace osu.Game.Rulesets.Mania.Tests.Skinning
+{
+    public class TestSceneHoldNote : ManiaHitObjectTestScene
+    {
+        public TestSceneHoldNote()
+        {
+            AddToggleStep("toggle hitting", v =>
+            {
+                foreach (var holdNote in CreatedDrawables.SelectMany(d => d.ChildrenOfType<DrawableHoldNote>()))
+                {
+                    ((Bindable<bool>)holdNote.IsHitting).Value = v;
+                }
+            });
+        }
+
+        protected override DrawableManiaHitObject CreateHitObject()
+        {
+            var note = new HoldNote { Duration = 1000 };
+            note.ApplyDefaults(new ControlPointInfo(), new BeatmapDifficulty());
+
+            return new DrawableHoldNote(note);
+        }
+    }
+}

osu.Game.Rulesets.Mania.Tests/Skinning/TestSceneKeyArea.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 System;
+using System.Collections.Generic;
+using osu.Framework.Allocation;
+using osu.Framework.Graphics;
+using osu.Framework.Graphics.Containers;
+using osu.Game.Rulesets.Mania.Skinning;
+using osu.Game.Rulesets.Mania.UI.Components;
+using osu.Game.Skinning;
+using osuTK;
+
+namespace osu.Game.Rulesets.Mania.Tests.Skinning
+{
+    public class TestSceneKeyArea : ManiaSkinnableTestScene
+    {
+        public override IReadOnlyList<Type> RequiredTypes => new[]
+        {
+            typeof(DefaultKeyArea),
+            typeof(LegacyKeyArea)
+        };
+
+        [BackgroundDependencyLoader]
+        private void load()
+        {
+            SetContents(() => new FillFlowContainer
+            {
+                Anchor = Anchor.Centre,
+                Origin = Anchor.Centre,
+                RelativeSizeAxes = Axes.Both,
+                Size = new Vector2(0.8f),
+                Direction = FillDirection.Horizontal,
+                Children = new Drawable[]
+                {
+                    new ColumnTestContainer(0, ManiaAction.Key1)
+                    {
+                        RelativeSizeAxes = Axes.Both,
+                        Width = 0.5f,
+                        Child = new SkinnableDrawable(new ManiaSkinComponent(ManiaSkinComponents.KeyArea, 0), _ => new DefaultKeyArea())
+                        {
+                            RelativeSizeAxes = Axes.Both
+                        },
+                    },
+                    new ColumnTestContainer(1, ManiaAction.Key2)
+                    {
+                        RelativeSizeAxes = Axes.Both,
+                        Width = 0.5f,
+                        Child = new SkinnableDrawable(new ManiaSkinComponent(ManiaSkinComponents.KeyArea, 1), _ => new DefaultKeyArea())
+                        {
+                            RelativeSizeAxes = Axes.Both
+                        },
+                    },
+                }
+            });
+        }
+    }
+}

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

@@ -0,0 +1,21 @@
+// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
+// See the LICENCE file in the repository root for full licence text.
+
+using osu.Game.Beatmaps;
+using osu.Game.Beatmaps.ControlPoints;
+using osu.Game.Rulesets.Mania.Objects;
+using osu.Game.Rulesets.Mania.Objects.Drawables;
+
+namespace osu.Game.Rulesets.Mania.Tests.Skinning
+{
+    public class TestSceneNote : ManiaHitObjectTestScene
+    {
+        protected override DrawableManiaHitObject CreateHitObject()
+        {
+            var note = new Note();
+            note.ApplyDefaults(new ControlPointInfo(), new BeatmapDifficulty());
+
+            return new DrawableNote(note);
+        }
+    }
+}

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

@@ -0,0 +1,52 @@
+// 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 NUnit.Framework;
+using osu.Game.Beatmaps;
+using osu.Game.Rulesets.Mania.Beatmaps;
+using osu.Game.Rulesets.Mania.UI;
+
+namespace osu.Game.Rulesets.Mania.Tests.Skinning
+{
+    public class TestScenePlayfield : ManiaSkinnableTestScene
+    {
+        private List<StageDefinition> stageDefinitions = new List<StageDefinition>();
+
+        [Test]
+        public void TestSingleStage()
+        {
+            AddStep("create stage", () =>
+            {
+                stageDefinitions = new List<StageDefinition>
+                {
+                    new StageDefinition { Columns = 2 }
+                };
+
+                SetContents(() => new ManiaPlayfield(stageDefinitions));
+            });
+        }
+
+        [Test]
+        public void TestDualStages()
+        {
+            AddStep("create stage", () =>
+            {
+                stageDefinitions = new List<StageDefinition>
+                {
+                    new StageDefinition { Columns = 2 },
+                    new StageDefinition { Columns = 2 }
+                };
+
+                SetContents(() => new ManiaPlayfield(stageDefinitions));
+            });
+        }
+
+        protected override IBeatmap CreateBeatmapForSkinProvider()
+        {
+            var maniaBeatmap = (ManiaBeatmap)base.CreateBeatmapForSkinProvider();
+            maniaBeatmap.Stages = stageDefinitions;
+            return maniaBeatmap;
+        }
+    }
+}

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

@@ -0,0 +1,27 @@
+// 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.Game.Rulesets.Mania.Beatmaps;
+using osu.Game.Rulesets.Mania.UI;
+
+namespace osu.Game.Rulesets.Mania.Tests.Skinning
+{
+    public class TestSceneStage : ManiaSkinnableTestScene
+    {
+        [BackgroundDependencyLoader]
+        private void load()
+        {
+            SetContents(() =>
+            {
+                ManiaAction normalAction = ManiaAction.Key1;
+                ManiaAction specialAction = ManiaAction.Special1;
+
+                return new ManiaInputManager(new ManiaRuleset().RulesetInfo, 4)
+                {
+                    Child = new Stage(0, new StageDefinition { Columns = 4 }, ref normalAction, ref specialAction)
+                };
+            });
+        }
+    }
+}

osu.Game.Rulesets.Mania.Tests/TestSceneColumn.cs

@@ -28,8 +28,9 @@ namespace osu.Game.Rulesets.Mania.Tests
         {
             typeof(Column),
             typeof(ColumnBackground),
-            typeof(ColumnKeyArea),
+            typeof(ColumnHitObjectArea),
-            typeof(ColumnHitObjectArea)
+            typeof(DefaultKeyArea),
+            typeof(DefaultHitTarget)
         };
 
         [Cached(typeof(IReadOnlyList<Mod>))]

osu.Game.Rulesets.Mania.Tests/TestSceneHitExplosion.cs

@@ -1,62 +0,0 @@
-// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
-// See the LICENCE file in the repository root for full licence text.
-
-using System;
-using System.Collections.Generic;
-using NUnit.Framework;
-using osu.Framework.Graphics;
-using osu.Game.Rulesets.Mania.Objects.Drawables;
-using osu.Game.Rulesets.Mania.Objects.Drawables.Pieces;
-using osu.Game.Rulesets.Mania.UI;
-using osu.Game.Rulesets.UI.Scrolling;
-using osu.Game.Tests.Visual;
-using osuTK;
-using osuTK.Graphics;
-
-namespace osu.Game.Rulesets.Mania.Tests
-{
-    [TestFixture]
-    public class TestSceneHitExplosion : OsuTestScene
-    {
-        private ScrollingTestContainer scrolling;
-
-        public override IReadOnlyList<Type> RequiredTypes => new[]
-        {
-            typeof(DrawableNote),
-            typeof(DrawableManiaHitObject),
-        };
-
-        protected override void LoadComplete()
-        {
-            base.LoadComplete();
-
-            Child = scrolling = new ScrollingTestContainer(ScrollingDirection.Down)
-            {
-                Anchor = Anchor.Centre,
-                Origin = Anchor.Centre,
-                RelativePositionAxes = Axes.Y,
-                Y = -0.25f,
-                Size = new Vector2(Column.COLUMN_WIDTH, NotePiece.NOTE_HEIGHT),
-            };
-
-            int runcount = 0;
-
-            AddRepeatStep("explode", () =>
-            {
-                runcount++;
-
-                if (runcount % 15 > 12)
-                    return;
-
-                scrolling.AddRange(new Drawable[]
-                {
-                    new HitExplosion((runcount / 15) % 2 == 0 ? new Color4(94, 0, 57, 255) : new Color4(6, 84, 0, 255), runcount % 6 != 0)
-                    {
-                        Anchor = Anchor.Centre,
-                        Origin = Anchor.Centre,
-                    }
-                });
-            }, 100);
-        }
-    }
-}

osu.Game.Rulesets.Mania.Tests/TestSceneStage.cs

@@ -29,7 +29,7 @@ namespace osu.Game.Rulesets.Mania.Tests
         [Cached(typeof(IReadOnlyList<Mod>))]
         private IReadOnlyList<Mod> mods { get; set; } = Array.Empty<Mod>();
 
-        private readonly List<ManiaStage> stages = new List<ManiaStage>();
+        private readonly List<Stage> stages = new List<Stage>();
 
         private FillFlowContainer<ScrollingTestContainer> fill;
 
@@ -81,9 +81,9 @@ namespace osu.Game.Rulesets.Mania.Tests
             AddAssert("check bar anchors", () => barsInStageAreAnchored(stages[1], Anchor.TopCentre));
         }
 
-        private bool notesInStageAreAnchored(ManiaStage stage, Anchor anchor) => stage.Columns.SelectMany(c => c.AllHitObjects).All(o => o.Anchor == anchor);
+        private bool notesInStageAreAnchored(Stage stage, Anchor anchor) => stage.Columns.SelectMany(c => c.AllHitObjects).All(o => o.Anchor == anchor);
 
-        private bool barsInStageAreAnchored(ManiaStage stage, Anchor anchor) => stage.AllHitObjects.Where(obj => obj is DrawableBarLine).All(o => o.Anchor == anchor);
+        private bool barsInStageAreAnchored(Stage stage, Anchor anchor) => stage.AllHitObjects.Where(obj => obj is DrawableBarLine).All(o => o.Anchor == anchor);
 
         private void createNote()
         {
@@ -133,7 +133,7 @@ namespace osu.Game.Rulesets.Mania.Tests
         {
             var specialAction = ManiaAction.Special1;
 
-            var stage = new ManiaStage(0, new StageDefinition { Columns = 2 }, ref action, ref specialAction);
+            var stage = new Stage(0, new StageDefinition { Columns = 2 }, ref action, ref specialAction);
             stages.Add(stage);
 
             return new ScrollingTestContainer(direction)

osu.Game.Rulesets.Mania/Beatmaps/ColumnType.cs

@@ -1,9 +1,12 @@
 // 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
+namespace osu.Game.Rulesets.Mania.Beatmaps
 {
-    public enum ManiaSkinComponents
+    public enum ColumnType
     {
+        Even,
+        Odd,
+        Special
     }
 }

osu.Game.Rulesets.Mania/Beatmaps/StageDefinition.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.Game.Rulesets.Mania.UI;
 
 namespace osu.Game.Rulesets.Mania.Beatmaps
@@ -21,5 +22,19 @@ namespace osu.Game.Rulesets.Mania.Beatmaps
         /// <param name="column">The 0-based column index.</param>
         /// <returns>Whether the column is a special column.</returns>
         public bool IsSpecialColumn(int column) => Columns % 2 == 1 && column == Columns / 2;
+
+        /// <summary>
+        /// Get the type of column given a column index.
+        /// </summary>
+        /// <param name="column">The 0-based column index.</param>
+        /// <returns>The type of the column.</returns>
+        public ColumnType GetTypeOfColumn(int column)
+        {
+            if (IsSpecialColumn(column))
+                return ColumnType.Special;
+
+            int distanceToEdge = Math.Min(column, (Columns - 1) - column);
+            return distanceToEdge % 2 == 0 ? ColumnType.Odd : ColumnType.Even;
+        }
     }
 }

osu.Game.Rulesets.Mania/Configuration/ManiaRulesetConfigManager.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.Configuration.Tracking;
 using osu.Game.Configuration;
 using osu.Game.Rulesets.Configuration;
@@ -19,13 +20,14 @@ namespace osu.Game.Rulesets.Mania.Configuration
         {
             base.InitialiseDefaults();
 
-            Set(ManiaRulesetSetting.ScrollTime, 1500.0, 50.0, 5000.0, 50.0);
+            Set(ManiaRulesetSetting.ScrollTime, 1500.0, DrawableManiaRuleset.MIN_TIME_RANGE, DrawableManiaRuleset.MAX_TIME_RANGE, 1);
             Set(ManiaRulesetSetting.ScrollDirection, ManiaScrollingDirection.Down);
         }
 
         public override TrackedSettings CreateTrackedSettings() => new TrackedSettings
         {
-            new TrackedSetting<double>(ManiaRulesetSetting.ScrollTime, v => new SettingDescription(v, "Scroll Time", $"{v}ms"))
+            new TrackedSetting<double>(ManiaRulesetSetting.ScrollTime,
+                v => new SettingDescription(v, "Scroll Speed", $"{(int)Math.Round(DrawableManiaRuleset.MAX_TIME_RANGE / v)} ({v}ms)"))
         };
     }
 

osu.Game.Rulesets.Mania/Edit/Blueprints/Components/EditBodyPiece.cs

@@ -7,12 +7,12 @@ using osu.Game.Rulesets.Mania.Objects.Drawables.Pieces;
 
 namespace osu.Game.Rulesets.Mania.Edit.Blueprints.Components
 {
-    public class EditBodyPiece : BodyPiece
+    public class EditBodyPiece : DefaultBodyPiece
     {
         [BackgroundDependencyLoader]
         private void load(OsuColour colours)
         {
-            AccentColour = colours.Yellow;
+            AccentColour.Value = colours.Yellow;
 
             Background.Alpha = 0.5f;
             Foreground.Alpha = 0;

osu.Game.Rulesets.Mania/Edit/Blueprints/Components/EditNotePiece.cs

@@ -12,12 +12,12 @@ namespace osu.Game.Rulesets.Mania.Edit.Blueprints.Components
     {
         public EditNotePiece()
         {
-            Height = NotePiece.NOTE_HEIGHT;
+            Height = DefaultNotePiece.NOTE_HEIGHT;
 
             CornerRadius = 5;
             Masking = true;
 
-            InternalChild = new NotePiece();
+            InternalChild = new DefaultNotePiece();
         }
 
         [BackgroundDependencyLoader]

osu.Game.Rulesets.Mania/Edit/Blueprints/HoldNoteSelectionBlueprint.cs

@@ -4,13 +4,13 @@
 using osu.Framework.Allocation;
 using osu.Framework.Bindables;
 using osu.Framework.Graphics;
+using osu.Framework.Graphics.Containers;
 using osu.Framework.Graphics.Primitives;
+using osu.Framework.Graphics.Shapes;
 using osu.Game.Graphics;
 using osu.Game.Rulesets.Mania.Objects.Drawables;
-using osu.Game.Rulesets.Mania.Objects.Drawables.Pieces;
 using osu.Game.Rulesets.UI.Scrolling;
 using osuTK;
-using osuTK.Graphics;
 
 namespace osu.Game.Rulesets.Mania.Edit.Blueprints
 {
@@ -42,11 +42,18 @@ namespace osu.Game.Rulesets.Mania.Edit.Blueprints
             {
                 new HoldNoteNoteSelectionBlueprint(DrawableObject, HoldNotePosition.Start),
                 new HoldNoteNoteSelectionBlueprint(DrawableObject, HoldNotePosition.End),
-                new BodyPiece
+                new Container
                 {
-                    AccentColour = Color4.Transparent,
+                    RelativeSizeAxes = Axes.Both,
-                    BorderColour = colours.Yellow
+                    BorderThickness = 1,
-                },
+                    BorderColour = colours.Yellow,
+                    Child = new Box
+                    {
+                        RelativeSizeAxes = Axes.Both,
+                        Alpha = 0,
+                        AlwaysPresent = true,
+                    }
+                }
             };
         }
 

osu.Game.Rulesets.Mania/Edit/Blueprints/ManiaPlacementBlueprint.cs

@@ -122,11 +122,11 @@ namespace osu.Game.Rulesets.Mania.Edit.Blueprints
             switch (scrollingInfo.Direction.Value)
             {
                 case ScrollingDirection.Up:
-                    mousePosition.Y -= NotePiece.NOTE_HEIGHT / 2;
+                    mousePosition.Y -= DefaultNotePiece.NOTE_HEIGHT / 2;
                     break;
 
                 case ScrollingDirection.Down:
-                    mousePosition.Y += NotePiece.NOTE_HEIGHT / 2;
+                    mousePosition.Y += DefaultNotePiece.NOTE_HEIGHT / 2;
                     break;
             }
 
@@ -143,11 +143,11 @@ namespace osu.Game.Rulesets.Mania.Edit.Blueprints
             switch (scrollingInfo.Direction.Value)
             {
                 case ScrollingDirection.Up:
-                    hitObjectPosition.Y += NotePiece.NOTE_HEIGHT / 2;
+                    hitObjectPosition.Y += DefaultNotePiece.NOTE_HEIGHT / 2;
                     break;
 
                 case ScrollingDirection.Down:
-                    hitObjectPosition.Y -= NotePiece.NOTE_HEIGHT / 2;
+                    hitObjectPosition.Y -= DefaultNotePiece.NOTE_HEIGHT / 2;
                     break;
             }
 

osu.Game.Rulesets.Mania/ManiaRuleset.cs

@@ -47,9 +47,9 @@ namespace osu.Game.Rulesets.Mania
 
         public override HitObjectComposer CreateHitObjectComposer() => new ManiaHitObjectComposer(this);
 
-        public override ISkin CreateLegacySkinProvider(ISkinSource source) => new ManiaLegacySkinTransformer(source);
+        public override ISkin CreateLegacySkinProvider(ISkinSource source, IBeatmap beatmap) => new ManiaLegacySkinTransformer(source, beatmap);
 
-        public override IEnumerable<Mod> ConvertLegacyMods(LegacyMods mods)
+        public override IEnumerable<Mod> ConvertFromLegacyMods(LegacyMods mods)
         {
             if (mods.HasFlag(LegacyMods.Nightcore))
                 yield return new ManiaModNightcore();
@@ -118,6 +118,59 @@ namespace osu.Game.Rulesets.Mania
                 yield return new ManiaModRandom();
         }
 
+        public override LegacyMods ConvertToLegacyMods(Mod[] mods)
+        {
+            var value = base.ConvertToLegacyMods(mods);
+
+            foreach (var mod in mods)
+            {
+                switch (mod)
+                {
+                    case ManiaModKey1 _:
+                        value |= LegacyMods.Key1;
+                        break;
+
+                    case ManiaModKey2 _:
+                        value |= LegacyMods.Key2;
+                        break;
+
+                    case ManiaModKey3 _:
+                        value |= LegacyMods.Key3;
+                        break;
+
+                    case ManiaModKey4 _:
+                        value |= LegacyMods.Key4;
+                        break;
+
+                    case ManiaModKey5 _:
+                        value |= LegacyMods.Key5;
+                        break;
+
+                    case ManiaModKey6 _:
+                        value |= LegacyMods.Key6;
+                        break;
+
+                    case ManiaModKey7 _:
+                        value |= LegacyMods.Key7;
+                        break;
+
+                    case ManiaModKey8 _:
+                        value |= LegacyMods.Key8;
+                        break;
+
+                    case ManiaModKey9 _:
+                        value |= LegacyMods.Key9;
+                        break;
+
+                    case ManiaModFadeIn _:
+                        value |= LegacyMods.FadeIn;
+                        break;
+                }
+            }
+
+            return value;
+        }
+
         public override IEnumerable<Mod> GetModsFor(ModType type)
         {
             switch (type)

osu.Game.Rulesets.Mania/ManiaSkinComponent.cs

@@ -1,19 +1,44 @@
 // Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
 // See the LICENCE file in the repository root for full licence text.
 
+using osu.Game.Rulesets.Mania.UI;
 using osu.Game.Skinning;
 
 namespace osu.Game.Rulesets.Mania
 {
     public class ManiaSkinComponent : GameplaySkinComponent<ManiaSkinComponents>
     {
-        public ManiaSkinComponent(ManiaSkinComponents component)
+        /// <summary>
+        /// The intended <see cref="Column"/> index for this component.
+        /// May be null if the component does not exist in a <see cref="Column"/>.
+        /// </summary>
+        public readonly int? TargetColumn;
+
+        /// <summary>
+        /// Creates a new <see cref="ManiaSkinComponent"/>.
+        /// </summary>
+        /// <param name="component">The component.</param>
+        /// <param name="targetColumn">The intended <see cref="Column"/> index for this component. May be null if the component does not exist in a <see cref="Column"/>.</param>
+        public ManiaSkinComponent(ManiaSkinComponents component, int? targetColumn = null)
             : base(component)
         {
+            TargetColumn = targetColumn;
         }
 
         protected override string RulesetPrefix => ManiaRuleset.SHORT_NAME;
 
         protected override string ComponentName => Component.ToString().ToLower();
     }
+
+    public enum ManiaSkinComponents
+    {
+        ColumnBackground,
+        HitTarget,
+        KeyArea,
+        Note,
+        HoldNoteHead,
+        HoldNoteTail,
+        HoldNoteBody,
+        HitExplosion
+    }
 }

osu.Game.Rulesets.Mania/Mods/ManiaModRandom.cs

@@ -3,24 +3,17 @@
 
 using System.Linq;
 using osu.Framework.Extensions.IEnumerableExtensions;
-using osu.Framework.Graphics.Sprites;
 using osu.Framework.Utils;
 using osu.Game.Beatmaps;
-using osu.Game.Graphics;
 using osu.Game.Rulesets.Mania.Beatmaps;
 using osu.Game.Rulesets.Mania.Objects;
 using osu.Game.Rulesets.Mods;
 
 namespace osu.Game.Rulesets.Mania.Mods
 {
-    public class ManiaModRandom : Mod, IApplicableToBeatmap
+    public class ManiaModRandom : ModRandom, IApplicableToBeatmap
     {
-        public override string Name => "Random";
-        public override string Acronym => "RD";
-        public override ModType Type => ModType.Conversion;
-        public override IconUsage? Icon => OsuIcon.Dice;
         public override string Description => @"Shuffle around the keys!";
-        public override double ScoreMultiplier => 1;
 
         public void ApplyToBeatmap(IBeatmap beatmap)
         {

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

@@ -10,6 +10,7 @@ using osu.Game.Rulesets.Objects;
 using osu.Game.Rulesets.Objects.Drawables;
 using osu.Game.Rulesets.Scoring;
 using osu.Game.Rulesets.UI.Scrolling;
+using osu.Game.Skinning;
 
 namespace osu.Game.Rulesets.Mania.Objects.Drawables
 {
@@ -20,6 +21,10 @@ namespace osu.Game.Rulesets.Mania.Objects.Drawables
     {
         public override bool DisplayResult => false;
 
+        public IBindable<bool> IsHitting => isHitting;
+
+        private readonly Bindable<bool> isHitting = new Bindable<bool>();
+
         public DrawableHoldNoteHead Head => headContainer.Child;
         public DrawableHoldNoteTail Tail => tailContainer.Child;
 
@@ -27,7 +32,7 @@ namespace osu.Game.Rulesets.Mania.Objects.Drawables
         private readonly Container<DrawableHoldNoteTail> tailContainer;
         private readonly Container<DrawableHoldNoteTick> tickContainer;
 
-        private readonly BodyPiece bodyPiece;
+        private readonly Drawable bodyPiece;
 
         /// <summary>
         /// Time at which the user started holding this hold note. Null if the user is not holding this hold note.
@@ -44,18 +49,16 @@ namespace osu.Game.Rulesets.Mania.Objects.Drawables
         {
             RelativeSizeAxes = Axes.X;
 
-            AddRangeInternal(new Drawable[]
+            AddRangeInternal(new[]
             {
-                bodyPiece = new BodyPiece { RelativeSizeAxes = Axes.X },
+                bodyPiece = new SkinnableDrawable(new ManiaSkinComponent(ManiaSkinComponents.HoldNoteBody, hitObject.Column), _ => new DefaultBodyPiece())
+                {
+                    RelativeSizeAxes = Axes.X
+                },
                 tickContainer = new Container<DrawableHoldNoteTick> { RelativeSizeAxes = Axes.Both },
                 headContainer = new Container<DrawableHoldNoteHead> { RelativeSizeAxes = Axes.Both },
                 tailContainer = new Container<DrawableHoldNoteTail> { RelativeSizeAxes = Axes.Both },
             });
-
-            AccentColour.BindValueChanged(colour =>
-            {
-                bodyPiece.AccentColour = colour.NewValue;
-            }, true);
         }
 
         protected override void AddNestedHitObject(DrawableHitObject hitObject)
@@ -168,7 +171,7 @@ namespace osu.Game.Rulesets.Mania.Objects.Drawables
                 return;
 
             HoldStartTime = Time.Current;
-            bodyPiece.Hitting = true;
+            isHitting.Value = true;
         }
 
         public void OnReleased(ManiaAction action)
@@ -194,7 +197,7 @@ namespace osu.Game.Rulesets.Mania.Objects.Drawables
         private void endHold()
         {
             HoldStartTime = null;
-            bodyPiece.Hitting = false;
+            isHitting.Value = false;
         }
     }
 }

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

@@ -8,6 +8,8 @@ namespace osu.Game.Rulesets.Mania.Objects.Drawables
     /// </summary>
     public class DrawableHoldNoteHead : DrawableNote
     {
+        protected override ManiaSkinComponents Component => ManiaSkinComponents.HoldNoteHead;
+
         public DrawableHoldNoteHead(DrawableHoldNote holdNote)
             : base(holdNote.HitObject.Head)
         {

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

@@ -18,6 +18,8 @@ namespace osu.Game.Rulesets.Mania.Objects.Drawables
         /// </summary>
         private const double release_window_lenience = 1.5;
 
+        protected override ManiaSkinComponents Component => ManiaSkinComponents.HoldNoteTail;
+
         private readonly DrawableHoldNote holdNote;
 
         public DrawableHoldNoteTail(DrawableHoldNote holdNote)

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

@@ -3,13 +3,12 @@
 
 using System.Diagnostics;
 using osu.Framework.Bindables;
-using osu.Framework.Extensions.Color4Extensions;
 using osu.Framework.Graphics;
-using osu.Framework.Graphics.Effects;
 using osu.Framework.Input.Bindings;
 using osu.Game.Rulesets.Mania.Objects.Drawables.Pieces;
 using osu.Game.Rulesets.Scoring;
 using osu.Game.Rulesets.UI.Scrolling;
+using osu.Game.Skinning;
 
 namespace osu.Game.Rulesets.Mania.Objects.Drawables
 {
@@ -18,7 +17,9 @@ namespace osu.Game.Rulesets.Mania.Objects.Drawables
     /// </summary>
     public class DrawableNote : DrawableManiaHitObject<Note>, IKeyBindingHandler<ManiaAction>
     {
-        private readonly NotePiece headPiece;
+        protected virtual ManiaSkinComponents Component => ManiaSkinComponents.Note;
+
+        private readonly Drawable headPiece;
 
         public DrawableNote(Note hitObject)
             : base(hitObject)
@@ -26,22 +27,11 @@ namespace osu.Game.Rulesets.Mania.Objects.Drawables
             RelativeSizeAxes = Axes.X;
             AutoSizeAxes = Axes.Y;
 
-            CornerRadius = 5;
+            AddInternal(headPiece = new SkinnableDrawable(new ManiaSkinComponent(Component, hitObject.Column), _ => new DefaultNotePiece())
-            Masking = true;
-
-            AddInternal(headPiece = new NotePiece());
-
-            AccentColour.BindValueChanged(colour =>
             {
-                headPiece.AccentColour = colour.NewValue;
+                RelativeSizeAxes = Axes.X,
-
+                AutoSizeAxes = Axes.Y
-                EdgeEffect = new EdgeEffectParameters
+            });
-                {
-                    Type = EdgeEffectType.Glow,
-                    Colour = colour.NewValue.Lighten(1f).Opacity(0.2f),
-                    Radius = 10,
-                };
-            }, true);
         }
 
         protected override void OnDirectionChanged(ValueChangedEvent<ScrollingDirection> e)

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

@@ -2,6 +2,9 @@
 // See the LICENCE file in the repository root for full licence text.
 
 using System;
+using JetBrains.Annotations;
+using osu.Framework.Allocation;
+using osu.Framework.Bindables;
 using osuTK.Graphics;
 using osu.Framework.Extensions.Color4Extensions;
 using osu.Framework.Graphics;
@@ -9,26 +12,38 @@ using osu.Framework.Graphics.Containers;
 using osu.Framework.Graphics.Effects;
 using osu.Framework.Graphics.Shapes;
 using osu.Framework.Layout;
-using osu.Game.Graphics;
+using osu.Game.Rulesets.Objects.Drawables;
 
 namespace osu.Game.Rulesets.Mania.Objects.Drawables.Pieces
 {
     /// <summary>
     /// Represents length-wise portion of a hold note.
     /// </summary>
-    public class BodyPiece : Container, IHasAccentColour
+    public class DefaultBodyPiece : CompositeDrawable
     {
-        private readonly Container subtractionLayer;
+        protected readonly Bindable<Color4> AccentColour = new Bindable<Color4>();
 
-        protected readonly Drawable Background;
+        private readonly LayoutValue subtractionCache = new LayoutValue(Invalidation.DrawSize);
-        protected readonly BufferedContainer Foreground;
+        private readonly IBindable<bool> isHitting = new Bindable<bool>();
-        private readonly BufferedContainer subtractionContainer;
 
-        public BodyPiece()
+        protected Drawable Background { get; private set; }
+        protected BufferedContainer Foreground { get; private set; }
+
+        private BufferedContainer subtractionContainer;
+        private Container subtractionLayer;
+
+        public DefaultBodyPiece()
         {
+            RelativeSizeAxes = Axes.Both;
             Blending = BlendingParameters.Additive;
 
-            Children = new[]
+            AddLayout(subtractionCache);
+        }
+
+        [BackgroundDependencyLoader(true)]
+        private void load([CanBeNull] DrawableHitObject drawableObject)
+        {
+            InternalChildren = new[]
             {
                 Background = new Box { RelativeSizeAxes = Axes.Both },
                 Foreground = new BufferedContainer
@@ -66,43 +81,37 @@ namespace osu.Game.Rulesets.Mania.Objects.Drawables.Pieces
                 }
             };
 
-            AddLayout(subtractionCache);
+            if (drawableObject != null)
-        }
-
-        protected override void LoadComplete()
-        {
-            base.LoadComplete();
-
-            updateAccentColour();
-        }
-
-        private Color4 accentColour;
-
-        public Color4 AccentColour
-        {
-            get => accentColour;
-            set
             {
-                if (accentColour == value)
+                var holdNote = (DrawableHoldNote)drawableObject;
-                    return;
 
-                accentColour = value;
+                AccentColour.BindTo(drawableObject.AccentColour);
-
+                isHitting.BindTo(holdNote.IsHitting);
-                updateAccentColour();
             }
+
+            AccentColour.BindValueChanged(onAccentChanged, true);
+            isHitting.BindValueChanged(_ => onAccentChanged(new ValueChangedEvent<Color4>(AccentColour.Value, AccentColour.Value)), true);
         }
 
-        public bool Hitting
+        private void onAccentChanged(ValueChangedEvent<Color4> accent)
         {
-            get => hitting;
+            Foreground.Colour = accent.NewValue.Opacity(0.5f);
-            set
+            Background.Colour = accent.NewValue.Opacity(0.7f);
-            {
-                hitting = value;
-                updateAccentColour();
-            }
-        }
 
-        private readonly LayoutValue subtractionCache = new LayoutValue(Invalidation.DrawSize);
+            const float animation_length = 50;
+
+            Foreground.ClearTransforms(false, nameof(Foreground.Colour));
+
+            if (isHitting.Value)
+            {
+                // wait for the next sync point
+                double synchronisedOffset = animation_length * 2 - Time.Current % (animation_length * 2);
+                using (Foreground.BeginDelayedSequence(synchronisedOffset))
+                    Foreground.FadeColour(accent.NewValue.Lighten(0.2f), animation_length).Then().FadeColour(Foreground.Colour, animation_length).Loop();
+            }
+
+            subtractionCache.Invalidate();
+        }
 
         protected override void Update()
         {
@@ -125,30 +134,5 @@ namespace osu.Game.Rulesets.Mania.Objects.Drawables.Pieces
                 subtractionCache.Validate();
             }
         }
-
-        private bool hitting;
-
-        private void updateAccentColour()
-        {
-            if (!IsLoaded)
-                return;
-
-            Foreground.Colour = AccentColour.Opacity(0.5f);
-            Background.Colour = AccentColour.Opacity(0.7f);
-
-            const float animation_length = 50;
-
-            Foreground.ClearTransforms(false, nameof(Foreground.Colour));
-
-            if (hitting)
-            {
-                // wait for the next sync point
-                double synchronisedOffset = animation_length * 2 - Time.Current % (animation_length * 2);
-                using (Foreground.BeginDelayedSequence(synchronisedOffset))
-                    Foreground.FadeColour(AccentColour.Lighten(0.2f), animation_length).Then().FadeColour(Foreground.Colour, animation_length).Loop();
-            }
-
-            subtractionCache.Invalidate();
-        }
     }
 }

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

@@ -0,0 +1,85 @@
+// 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 JetBrains.Annotations;
+using osu.Framework.Allocation;
+using osu.Framework.Bindables;
+using osuTK.Graphics;
+using osu.Framework.Extensions.Color4Extensions;
+using osu.Framework.Graphics;
+using osu.Framework.Graphics.Containers;
+using osu.Framework.Graphics.Effects;
+using osu.Framework.Graphics.Shapes;
+using osu.Game.Rulesets.Objects.Drawables;
+using osu.Game.Rulesets.UI.Scrolling;
+
+namespace osu.Game.Rulesets.Mania.Objects.Drawables.Pieces
+{
+    /// <summary>
+    /// Represents the static hit markers of notes.
+    /// </summary>
+    internal class DefaultNotePiece : CompositeDrawable
+    {
+        public const float NOTE_HEIGHT = 12;
+
+        private readonly IBindable<ScrollingDirection> direction = new Bindable<ScrollingDirection>();
+        private readonly IBindable<Color4> accentColour = new Bindable<Color4>();
+
+        private readonly Box colouredBox;
+
+        public DefaultNotePiece()
+        {
+            RelativeSizeAxes = Axes.X;
+            Height = NOTE_HEIGHT;
+
+            CornerRadius = 5;
+            Masking = true;
+
+            InternalChildren = new Drawable[]
+            {
+                new Box
+                {
+                    RelativeSizeAxes = Axes.Both
+                },
+                colouredBox = new Box
+                {
+                    RelativeSizeAxes = Axes.X,
+                    Height = NOTE_HEIGHT / 2,
+                    Alpha = 0.1f
+                }
+            };
+        }
+
+        [BackgroundDependencyLoader(true)]
+        private void load([NotNull] IScrollingInfo scrollingInfo, [CanBeNull] DrawableHitObject drawableObject)
+        {
+            direction.BindTo(scrollingInfo.Direction);
+            direction.BindValueChanged(onDirectionChanged, true);
+
+            if (drawableObject != null)
+            {
+                accentColour.BindTo(drawableObject.AccentColour);
+                accentColour.BindValueChanged(onAccentChanged, true);
+            }
+        }
+
+        private void onDirectionChanged(ValueChangedEvent<ScrollingDirection> direction)
+        {
+            colouredBox.Anchor = colouredBox.Origin = direction.NewValue == ScrollingDirection.Up
+                ? Anchor.TopCentre
+                : Anchor.BottomCentre;
+        }
+
+        private void onAccentChanged(ValueChangedEvent<Color4> accent)
+        {
+            colouredBox.Colour = accent.NewValue.Lighten(0.9f);
+
+            EdgeEffect = new EdgeEffectParameters
+            {
+                Type = EdgeEffectType.Glow,
+                Colour = accent.NewValue.Lighten(1f).Opacity(0.2f),
+                Radius = 10,
+            };
+        }
+    }
+}

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

@@ -1,73 +0,0 @@
-// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
-// See the LICENCE file in the repository root for full licence text.
-
-using osu.Framework.Allocation;
-using osu.Framework.Bindables;
-using osuTK.Graphics;
-using osu.Framework.Extensions.Color4Extensions;
-using osu.Framework.Graphics;
-using osu.Framework.Graphics.Containers;
-using osu.Framework.Graphics.Shapes;
-using osu.Game.Graphics;
-using osu.Game.Rulesets.UI.Scrolling;
-
-namespace osu.Game.Rulesets.Mania.Objects.Drawables.Pieces
-{
-    /// <summary>
-    /// Represents the static hit markers of notes.
-    /// </summary>
-    internal class NotePiece : Container, IHasAccentColour
-    {
-        public const float NOTE_HEIGHT = 12;
-
-        private readonly IBindable<ScrollingDirection> direction = new Bindable<ScrollingDirection>();
-
-        private readonly Box colouredBox;
-
-        public NotePiece()
-        {
-            RelativeSizeAxes = Axes.X;
-            Height = NOTE_HEIGHT;
-
-            Children = new[]
-            {
-                new Box
-                {
-                    RelativeSizeAxes = Axes.Both
-                },
-                colouredBox = new Box
-                {
-                    RelativeSizeAxes = Axes.X,
-                    Height = NOTE_HEIGHT / 2,
-                    Alpha = 0.1f
-                }
-            };
-        }
-
-        [BackgroundDependencyLoader]
-        private void load(IScrollingInfo scrollingInfo)
-        {
-            direction.BindTo(scrollingInfo.Direction);
-            direction.BindValueChanged(dir =>
-            {
-                colouredBox.Anchor = colouredBox.Origin = dir.NewValue == ScrollingDirection.Up ? Anchor.TopCentre : Anchor.BottomCentre;
-            }, true);
-        }
-
-        private Color4 accentColour;
-
-        public Color4 AccentColour
-        {
-            get => accentColour;
-            set
-            {
-                if (accentColour == value)
-                    return;
-
-                accentColour = value;
-
-                colouredBox.Colour = AccentColour.Lighten(0.9f);
-            }
-        }
-    }
-}

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;
@@ -24,15 +25,9 @@ namespace osu.Game.Rulesets.Mania.Replays
             Actions.AddRange(actions);
         }
 
-        public void ConvertFrom(LegacyReplayFrame legacyFrame, IBeatmap beatmap, ReplayFrame lastFrame = null)
+        public void FromLegacy(LegacyReplayFrame legacyFrame, IBeatmap beatmap, ReplayFrame lastFrame = null)
         {
-            // We don't need to fully convert, just create the converter
+            var maniaBeatmap = (ManiaBeatmap)beatmap;
-            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 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);
@@ -56,5 +51,40 @@ namespace osu.Game.Rulesets.Mania.Replays
                 activeColumns >>= 1;
             }
         }
+
+        public LegacyReplayFrame ToLegacy(IBeatmap beatmap)
+        {
+            var maniaBeatmap = (ManiaBeatmap)beatmap;
+
+            int keys = 0;
+
+            var specialColumns = new List<int>();
+
+            for (int i = 0; i < maniaBeatmap.TotalColumns; i++)
+            {
+                if (maniaBeatmap.Stages.First().IsSpecialColumn(i))
+                    specialColumns.Add(i);
+            }
+
+            foreach (var action in Actions)
+            {
+                switch (action)
+                {
+                    case ManiaAction.Special1:
+                        keys |= 1 << specialColumns[0];
+                        break;
+
+                    case ManiaAction.Special2:
+                        keys |= 1 << specialColumns[1];
+                        break;
+
+                    default:
+                        keys |= 1 << (action - ManiaAction.Key1);
+                        break;
+                }
+            }
+
+            return new LegacyReplayFrame(Time, keys, null, ReplayButtonState.None);
+        }
     }
 }

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

@@ -0,0 +1,86 @@
+// 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.Bindables;
+using osu.Framework.Graphics;
+using osu.Framework.Graphics.Animations;
+using osu.Game.Rulesets.Mania.Objects.Drawables;
+using osu.Game.Rulesets.Objects.Drawables;
+using osu.Game.Rulesets.UI.Scrolling;
+using osu.Game.Skinning;
+using osuTK;
+
+namespace osu.Game.Rulesets.Mania.Skinning
+{
+    public class LegacyBodyPiece : LegacyManiaColumnElement
+    {
+        private readonly IBindable<ScrollingDirection> direction = new Bindable<ScrollingDirection>();
+        private readonly IBindable<bool> isHitting = new Bindable<bool>();
+
+        private Drawable sprite;
+
+        public LegacyBodyPiece()
+        {
+            RelativeSizeAxes = Axes.Both;
+        }
+
+        [BackgroundDependencyLoader]
+        private void load(ISkinSource skin, IScrollingInfo scrollingInfo, DrawableHitObject drawableObject)
+        {
+            string imageName = GetManiaSkinConfig<string>(skin, LegacyManiaSkinConfigurationLookups.HoldNoteBodyImage)?.Value
+                               ?? $"mania-note{FallbackColumnIndex}L";
+
+            sprite = skin.GetAnimation(imageName, true, true).With(d =>
+            {
+                if (d == null)
+                    return;
+
+                if (d is TextureAnimation animation)
+                    animation.IsPlaying = false;
+
+                d.Anchor = Anchor.TopCentre;
+                d.RelativeSizeAxes = Axes.Both;
+                d.Size = Vector2.One;
+                d.FillMode = FillMode.Stretch;
+                // Todo: Wrap
+            });
+
+            if (sprite != null)
+                InternalChild = sprite;
+
+            direction.BindTo(scrollingInfo.Direction);
+            direction.BindValueChanged(onDirectionChanged, true);
+
+            var holdNote = (DrawableHoldNote)drawableObject;
+            isHitting.BindTo(holdNote.IsHitting);
+            isHitting.BindValueChanged(onIsHittingChanged, true);
+        }
+
+        private void onIsHittingChanged(ValueChangedEvent<bool> isHitting)
+        {
+            if (!(sprite is TextureAnimation animation))
+                return;
+
+            animation.GotoFrame(0);
+            animation.IsPlaying = isHitting.NewValue;
+        }
+
+        private void onDirectionChanged(ValueChangedEvent<ScrollingDirection> direction)
+        {
+            if (sprite == null)
+                return;
+
+            if (direction.NewValue == ScrollingDirection.Up)
+            {
+                sprite.Origin = Anchor.BottomCentre;
+                sprite.Scale = new Vector2(1, -1);
+            }
+            else
+            {
+                sprite.Origin = Anchor.TopCentre;
+                sprite.Scale = Vector2.One;
+            }
+        }
+    }
+}

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

@@ -0,0 +1,141 @@
+// 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.Bindables;
+using osu.Framework.Graphics;
+using osu.Framework.Graphics.Containers;
+using osu.Framework.Graphics.Shapes;
+using osu.Framework.Graphics.Sprites;
+using osu.Framework.Input.Bindings;
+using osu.Game.Rulesets.UI.Scrolling;
+using osu.Game.Skinning;
+using osuTK;
+using osuTK.Graphics;
+
+namespace osu.Game.Rulesets.Mania.Skinning
+{
+    public class LegacyColumnBackground : LegacyManiaColumnElement, IKeyBindingHandler<ManiaAction>
+    {
+        private readonly IBindable<ScrollingDirection> direction = new Bindable<ScrollingDirection>();
+        private readonly bool isLastColumn;
+
+        private Container lightContainer;
+        private Sprite light;
+
+        public LegacyColumnBackground(bool isLastColumn)
+        {
+            this.isLastColumn = isLastColumn;
+            RelativeSizeAxes = Axes.Both;
+        }
+
+        [BackgroundDependencyLoader]
+        private void load(ISkinSource skin, IScrollingInfo scrollingInfo)
+        {
+            string lightImage = GetManiaSkinConfig<string>(skin, LegacyManiaSkinConfigurationLookups.LightImage, 0)?.Value
+                                ?? "mania-stage-light";
+
+            float leftLineWidth = GetManiaSkinConfig<float>(skin, LegacyManiaSkinConfigurationLookups.LeftLineWidth)
+                ?.Value ?? 1;
+            float rightLineWidth = GetManiaSkinConfig<float>(skin, LegacyManiaSkinConfigurationLookups.RightLineWidth)
+                ?.Value ?? 1;
+
+            bool hasLeftLine = leftLineWidth > 0;
+            bool hasRightLine = rightLineWidth > 0 && skin.GetConfig<LegacySkinConfiguration.LegacySetting, decimal>(LegacySkinConfiguration.LegacySetting.Version)?.Value >= 2.4m
+                                || isLastColumn;
+
+            float lightPosition = GetManiaSkinConfig<float>(skin, LegacyManiaSkinConfigurationLookups.LightPosition)?.Value
+                                  ?? 0;
+
+            Color4 lineColour = GetManiaSkinConfig<Color4>(skin, LegacyManiaSkinConfigurationLookups.ColumnLineColour)?.Value
+                                ?? Color4.White;
+
+            Color4 backgroundColour = GetManiaSkinConfig<Color4>(skin, LegacyManiaSkinConfigurationLookups.ColumnBackgroundColour)?.Value
+                                      ?? Color4.Black;
+
+            Color4 lightColour = GetManiaSkinConfig<Color4>(skin, LegacyManiaSkinConfigurationLookups.ColumnLightColour)?.Value
+                                 ?? Color4.White;
+
+            InternalChildren = new Drawable[]
+            {
+                new Box
+                {
+                    RelativeSizeAxes = Axes.Both,
+                    Colour = backgroundColour
+                },
+                new Box
+                {
+                    RelativeSizeAxes = Axes.Y,
+                    Width = leftLineWidth,
+                    Colour = lineColour,
+                    Alpha = hasLeftLine ? 1 : 0
+                },
+                new Box
+                {
+                    Anchor = Anchor.TopRight,
+                    Origin = Anchor.TopRight,
+                    RelativeSizeAxes = Axes.Y,
+                    Width = rightLineWidth,
+                    Colour = lineColour,
+                    Alpha = hasRightLine ? 1 : 0
+                },
+                lightContainer = new Container
+                {
+                    Origin = Anchor.BottomCentre,
+                    RelativeSizeAxes = Axes.Both,
+                    Padding = new MarginPadding { Bottom = lightPosition },
+                    Child = light = new Sprite
+                    {
+                        Anchor = Anchor.BottomCentre,
+                        Origin = Anchor.BottomCentre,
+                        Colour = lightColour,
+                        Texture = skin.GetTexture(lightImage),
+                        RelativeSizeAxes = Axes.X,
+                        Width = 1,
+                        Alpha = 0
+                    }
+                }
+            };
+
+            direction.BindTo(scrollingInfo.Direction);
+            direction.BindValueChanged(onDirectionChanged, true);
+        }
+
+        private void onDirectionChanged(ValueChangedEvent<ScrollingDirection> direction)
+        {
+            if (direction.NewValue == ScrollingDirection.Up)
+            {
+                lightContainer.Anchor = Anchor.TopCentre;
+                lightContainer.Scale = new Vector2(1, -1);
+            }
+            else
+            {
+                lightContainer.Anchor = Anchor.BottomCentre;
+                lightContainer.Scale = Vector2.One;
+            }
+        }
+
+        public bool OnPressed(ManiaAction action)
+        {
+            if (action == Column.Action.Value)
+            {
+                light.FadeIn();
+                light.ScaleTo(Vector2.One);
+            }
+
+            return false;
+        }
+
+        public void OnReleased(ManiaAction action)
+        {
+            // Todo: Should be 400 * 100 / CurrentBPM
+            const double animation_length = 250;
+
+            if (action == Column.Action.Value)
+            {
+                light.FadeTo(0, animation_length);
+                light.ScaleTo(new Vector2(1, 0), animation_length);
+            }
+        }
+    }
+}

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

@@ -0,0 +1,73 @@
+// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
+// See the LICENCE file in the repository root for full licence text.
+
+using System;
+using osu.Framework.Allocation;
+using osu.Framework.Bindables;
+using osu.Framework.Graphics;
+using osu.Framework.Graphics.Animations;
+using osu.Game.Rulesets.UI.Scrolling;
+using osu.Game.Skinning;
+using osuTK;
+
+namespace osu.Game.Rulesets.Mania.Skinning
+{
+    public class LegacyHitExplosion : LegacyManiaColumnElement
+    {
+        private readonly IBindable<ScrollingDirection> direction = new Bindable<ScrollingDirection>();
+
+        private Drawable explosion;
+
+        public LegacyHitExplosion()
+        {
+            RelativeSizeAxes = Axes.Both;
+        }
+
+        [BackgroundDependencyLoader]
+        private void load(ISkinSource skin, IScrollingInfo scrollingInfo)
+        {
+            string imageName = GetManiaSkinConfig<string>(skin, LegacyManiaSkinConfigurationLookups.ExplosionImage)?.Value
+                               ?? "lightingN";
+
+            float explosionScale = GetManiaSkinConfig<float>(skin, LegacyManiaSkinConfigurationLookups.ExplosionScale)?.Value
+                                   ?? 1;
+
+            // Create a temporary animation to retrieve the number of frames, in an effort to calculate the intended frame length.
+            // This animation is discarded and re-queried with the appropriate frame length afterwards.
+            var tmp = skin.GetAnimation(imageName, true, false);
+            double frameLength = 0;
+            if (tmp is IFramedAnimation tmpAnimation && tmpAnimation.FrameCount > 0)
+                frameLength = Math.Max(1000 / 60.0, 170.0 / tmpAnimation.FrameCount);
+
+            explosion = skin.GetAnimation(imageName, true, false, frameLength: frameLength).With(d =>
+            {
+                if (d == null)
+                    return;
+
+                d.Origin = Anchor.Centre;
+                d.Blending = BlendingParameters.Additive;
+                d.Scale = new Vector2(explosionScale);
+            });
+
+            if (explosion != null)
+                InternalChild = explosion;
+
+            direction.BindTo(scrollingInfo.Direction);
+            direction.BindValueChanged(onDirectionChanged, true);
+        }
+
+        private void onDirectionChanged(ValueChangedEvent<ScrollingDirection> direction)
+        {
+            if (explosion != null)
+                explosion.Anchor = direction.NewValue == ScrollingDirection.Up ? Anchor.TopCentre : Anchor.BottomCentre;
+        }
+
+        protected override void LoadComplete()
+        {
+            base.LoadComplete();
+
+            explosion?.FadeInFromZero(80)
+                     .Then().FadeOut(120);
+        }
+    }
+}

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

@@ -0,0 +1,83 @@
+// 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.Bindables;
+using osu.Framework.Graphics;
+using osu.Framework.Graphics.Containers;
+using osu.Framework.Graphics.Shapes;
+using osu.Framework.Graphics.Sprites;
+using osu.Game.Rulesets.UI.Scrolling;
+using osu.Game.Skinning;
+using osuTK;
+using osuTK.Graphics;
+
+namespace osu.Game.Rulesets.Mania.Skinning
+{
+    public class LegacyHitTarget : LegacyManiaElement
+    {
+        private readonly IBindable<ScrollingDirection> direction = new Bindable<ScrollingDirection>();
+
+        private Container directionContainer;
+
+        public LegacyHitTarget()
+        {
+            RelativeSizeAxes = Axes.Both;
+        }
+
+        [BackgroundDependencyLoader]
+        private void load(ISkinSource skin, IScrollingInfo scrollingInfo)
+        {
+            string targetImage = GetManiaSkinConfig<string>(skin, LegacyManiaSkinConfigurationLookups.HitTargetImage)?.Value
+                                 ?? "mania-stage-hint";
+
+            bool showJudgementLine = GetManiaSkinConfig<bool>(skin, LegacyManiaSkinConfigurationLookups.ShowJudgementLine)?.Value
+                                     ?? true;
+
+            Color4 lineColour = GetManiaSkinConfig<Color4>(skin, LegacyManiaSkinConfigurationLookups.JudgementLineColour)?.Value
+                                ?? Color4.White;
+
+            InternalChild = directionContainer = new Container
+            {
+                Origin = Anchor.CentreLeft,
+                RelativeSizeAxes = Axes.X,
+                AutoSizeAxes = Axes.Y,
+                Children = new Drawable[]
+                {
+                    new Sprite
+                    {
+                        Texture = skin.GetTexture(targetImage),
+                        Scale = new Vector2(1, 0.9f * 1.6025f),
+                        RelativeSizeAxes = Axes.X,
+                        Width = 1
+                    },
+                    new Box
+                    {
+                        Anchor = Anchor.CentreLeft,
+                        RelativeSizeAxes = Axes.X,
+                        Height = 1,
+                        Colour = lineColour,
+                        Alpha = showJudgementLine ? 0.9f : 0
+                    }
+                }
+            };
+
+            direction.BindTo(scrollingInfo.Direction);
+            direction.BindValueChanged(onDirectionChanged, true);
+        }
+
+        private void onDirectionChanged(ValueChangedEvent<ScrollingDirection> direction)
+        {
+            if (direction.NewValue == ScrollingDirection.Up)
+            {
+                directionContainer.Anchor = Anchor.TopLeft;
+                directionContainer.Scale = new Vector2(1, -1);
+            }
+            else
+            {
+                directionContainer.Anchor = Anchor.BottomLeft;
+                directionContainer.Scale = Vector2.One;
+            }
+        }
+    }
+}

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

@@ -0,0 +1,18 @@
+// 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.Graphics.Textures;
+using osu.Game.Skinning;
+
+namespace osu.Game.Rulesets.Mania.Skinning
+{
+    public class LegacyHoldNoteHeadPiece : LegacyNotePiece
+    {
+        protected override Texture GetTexture(ISkinSource skin)
+        {
+            // TODO: Should fallback to the head from default legacy skin instead of note.
+            return GetTextureFromLookup(skin, LegacyManiaSkinConfigurationLookups.HoldNoteHeadImage)
+                   ?? GetTextureFromLookup(skin, LegacyManiaSkinConfigurationLookups.NoteImage);
+        }
+    }
+}

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

@@ -0,0 +1,29 @@
+// 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.Bindables;
+using osu.Framework.Graphics.Textures;
+using osu.Game.Rulesets.UI.Scrolling;
+using osu.Game.Skinning;
+
+namespace osu.Game.Rulesets.Mania.Skinning
+{
+    public class LegacyHoldNoteTailPiece : LegacyNotePiece
+    {
+        protected override void OnDirectionChanged(ValueChangedEvent<ScrollingDirection> direction)
+        {
+            // Invert the direction
+            base.OnDirectionChanged(direction.NewValue == ScrollingDirection.Up
+                ? new ValueChangedEvent<ScrollingDirection>(ScrollingDirection.Down, ScrollingDirection.Down)
+                : new ValueChangedEvent<ScrollingDirection>(ScrollingDirection.Up, ScrollingDirection.Up));
+        }
+
+        protected override Texture GetTexture(ISkinSource skin)
+        {
+            // TODO: Should fallback to the head from default legacy skin instead of note.
+            return GetTextureFromLookup(skin, LegacyManiaSkinConfigurationLookups.HoldNoteTailImage)
+                   ?? GetTextureFromLookup(skin, LegacyManiaSkinConfigurationLookups.HoldNoteHeadImage)
+                   ?? GetTextureFromLookup(skin, LegacyManiaSkinConfigurationLookups.NoteImage);
+        }
+    }
+}

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

@@ -0,0 +1,106 @@
+// 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.Bindables;
+using osu.Framework.Graphics;
+using osu.Framework.Graphics.Containers;
+using osu.Framework.Graphics.Sprites;
+using osu.Framework.Input.Bindings;
+using osu.Game.Rulesets.Mania.UI;
+using osu.Game.Rulesets.UI.Scrolling;
+using osu.Game.Skinning;
+using osuTK;
+
+namespace osu.Game.Rulesets.Mania.Skinning
+{
+    public class LegacyKeyArea : LegacyManiaColumnElement, IKeyBindingHandler<ManiaAction>
+    {
+        private readonly IBindable<ScrollingDirection> direction = new Bindable<ScrollingDirection>();
+
+        private Container directionContainer;
+        private Sprite upSprite;
+        private Sprite downSprite;
+
+        [Resolved]
+        private Column column { get; set; }
+
+        public LegacyKeyArea()
+        {
+            RelativeSizeAxes = Axes.Both;
+        }
+
+        [BackgroundDependencyLoader]
+        private void load(ISkinSource skin, IScrollingInfo scrollingInfo)
+        {
+            string upImage = GetManiaSkinConfig<string>(skin, LegacyManiaSkinConfigurationLookups.KeyImage)?.Value
+                             ?? $"mania-key{FallbackColumnIndex}";
+
+            string downImage = GetManiaSkinConfig<string>(skin, LegacyManiaSkinConfigurationLookups.KeyImageDown)?.Value
+                               ?? $"mania-key{FallbackColumnIndex}D";
+
+            InternalChild = directionContainer = new Container
+            {
+                RelativeSizeAxes = Axes.X,
+                AutoSizeAxes = Axes.Y,
+                Children = new Drawable[]
+                {
+                    upSprite = new Sprite
+                    {
+                        Origin = Anchor.BottomCentre,
+                        Texture = skin.GetTexture(upImage),
+                        RelativeSizeAxes = Axes.X,
+                        Width = 1
+                    },
+                    downSprite = new Sprite
+                    {
+                        Origin = Anchor.BottomCentre,
+                        Texture = skin.GetTexture(downImage),
+                        RelativeSizeAxes = Axes.X,
+                        Width = 1,
+                        Alpha = 0
+                    }
+                }
+            };
+
+            direction.BindTo(scrollingInfo.Direction);
+            direction.BindValueChanged(onDirectionChanged, true);
+        }
+
+        private void onDirectionChanged(ValueChangedEvent<ScrollingDirection> direction)
+        {
+            if (direction.NewValue == ScrollingDirection.Up)
+            {
+                directionContainer.Anchor = directionContainer.Origin = Anchor.TopCentre;
+                upSprite.Anchor = downSprite.Anchor = Anchor.TopCentre;
+                upSprite.Scale = downSprite.Scale = new Vector2(1, -1);
+            }
+            else
+            {
+                directionContainer.Anchor = directionContainer.Origin = Anchor.BottomCentre;
+                upSprite.Anchor = downSprite.Anchor = Anchor.BottomCentre;
+                upSprite.Scale = downSprite.Scale = Vector2.One;
+            }
+        }
+
+        public bool OnPressed(ManiaAction action)
+        {
+            if (action == column.Action.Value)
+            {
+                upSprite.FadeTo(0);
+                downSprite.FadeTo(1);
+            }
+
+            return false;
+        }
+
+        public void OnReleased(ManiaAction action)
+        {
+            if (action == column.Action.Value)
+            {
+                upSprite.FadeTo(1);
+                downSprite.FadeTo(0);
+            }
+        }
+    }
+}

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

@@ -0,0 +1,48 @@
+// 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.Bindables;
+using osu.Framework.Graphics.Containers;
+using osu.Game.Rulesets.Mania.Beatmaps;
+using osu.Game.Rulesets.Mania.UI;
+using osu.Game.Skinning;
+
+namespace osu.Game.Rulesets.Mania.Skinning
+{
+    /// <summary>
+    /// A <see cref="CompositeDrawable"/> which is placed somewhere within a <see cref="Column"/>.
+    /// </summary>
+    public class LegacyManiaColumnElement : LegacyManiaElement
+    {
+        [Resolved]
+        protected Column Column { get; private set; }
+
+        /// <summary>
+        /// The column type identifier to use for texture lookups, in the case of no user-provided configuration.
+        /// </summary>
+        protected string FallbackColumnIndex { get; private set; }
+
+        [BackgroundDependencyLoader]
+        private void load()
+        {
+            switch (Column.ColumnType)
+            {
+                case ColumnType.Special:
+                    FallbackColumnIndex = "S";
+                    break;
+
+                case ColumnType.Odd:
+                    FallbackColumnIndex = "1";
+                    break;
+
+                case ColumnType.Even:
+                    FallbackColumnIndex = "2";
+                    break;
+            }
+        }
+
+        protected override IBindable<T> GetManiaSkinConfig<T>(ISkin skin, LegacyManiaSkinConfigurationLookups lookup, int? index = null)
+            => base.GetManiaSkinConfig<T>(skin, lookup, index ?? Column.Index);
+    }
+}

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

@@ -0,0 +1,25 @@
+// 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.Bindables;
+using osu.Framework.Graphics.Containers;
+using osu.Game.Skinning;
+
+namespace osu.Game.Rulesets.Mania.Skinning
+{
+    /// <summary>
+    /// A mania legacy skin element.
+    /// </summary>
+    public class LegacyManiaElement : CompositeDrawable
+    {
+        /// <summary>
+        /// Retrieve a per-column-count skin configuration.
+        /// </summary>
+        /// <param name="skin">The skin from which configuration is retrieved.</param>
+        /// <param name="lookup">The value to retrieve.</param>
+        /// <param name="index">If not null, denotes the index of the column to which the entry applies.</param>
+        protected virtual IBindable<T> GetManiaSkinConfig<T>(ISkin skin, LegacyManiaSkinConfigurationLookups lookup, int? index = null)
+            => skin.GetConfig<ManiaSkinConfigurationLookup, T>(
+                new ManiaSkinConfigurationLookup(lookup, index));
+    }
+}

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

@@ -0,0 +1,98 @@
+// 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.Bindables;
+using osu.Framework.Graphics;
+using osu.Framework.Graphics.Containers;
+using osu.Framework.Graphics.Sprites;
+using osu.Framework.Graphics.Textures;
+using osu.Game.Rulesets.UI.Scrolling;
+using osu.Game.Skinning;
+using osuTK;
+
+namespace osu.Game.Rulesets.Mania.Skinning
+{
+    public class LegacyNotePiece : LegacyManiaColumnElement
+    {
+        private readonly IBindable<ScrollingDirection> direction = new Bindable<ScrollingDirection>();
+
+        private Container directionContainer;
+        private Sprite noteSprite;
+
+        private float? minimumColumnWidth;
+
+        public LegacyNotePiece()
+        {
+            RelativeSizeAxes = Axes.X;
+            AutoSizeAxes = Axes.Y;
+        }
+
+        [BackgroundDependencyLoader]
+        private void load(ISkinSource skin, IScrollingInfo scrollingInfo)
+        {
+            minimumColumnWidth = skin.GetConfig<ManiaSkinConfigurationLookup, float>(new ManiaSkinConfigurationLookup(LegacyManiaSkinConfigurationLookups.MinimumColumnWidth))?.Value;
+
+            InternalChild = directionContainer = new Container
+            {
+                Origin = Anchor.BottomCentre,
+                RelativeSizeAxes = Axes.X,
+                AutoSizeAxes = Axes.Y,
+                Child = noteSprite = new Sprite { Texture = GetTexture(skin) }
+            };
+
+            direction.BindTo(scrollingInfo.Direction);
+            direction.BindValueChanged(OnDirectionChanged, true);
+        }
+
+        protected override void Update()
+        {
+            base.Update();
+
+            if (noteSprite.Texture != null)
+            {
+                // The height is scaled to the minimum column width, if provided.
+                float minimumWidth = minimumColumnWidth ?? DrawWidth;
+
+                noteSprite.Scale = Vector2.Divide(new Vector2(DrawWidth, minimumWidth), noteSprite.Texture.DisplayWidth);
+            }
+        }
+
+        protected virtual void OnDirectionChanged(ValueChangedEvent<ScrollingDirection> direction)
+        {
+            if (direction.NewValue == ScrollingDirection.Up)
+            {
+                directionContainer.Anchor = Anchor.TopCentre;
+                directionContainer.Scale = new Vector2(1, -1);
+            }
+            else
+            {
+                directionContainer.Anchor = Anchor.BottomCentre;
+                directionContainer.Scale = Vector2.One;
+            }
+        }
+
+        protected virtual Texture GetTexture(ISkinSource skin) => GetTextureFromLookup(skin, LegacyManiaSkinConfigurationLookups.NoteImage);
+
+        protected Texture GetTextureFromLookup(ISkin skin, LegacyManiaSkinConfigurationLookups lookup)
+        {
+            string suffix = string.Empty;
+
+            switch (lookup)
+            {
+                case LegacyManiaSkinConfigurationLookups.HoldNoteHeadImage:
+                    suffix = "H";
+                    break;
+
+                case LegacyManiaSkinConfigurationLookups.HoldNoteTailImage:
+                    suffix = "T";
+                    break;
+            }
+
+            string noteImage = GetManiaSkinConfig<string>(skin, lookup)?.Value
+                               ?? $"mania-note{FallbackColumnIndex}{suffix}";
+
+            return skin.GetTexture(noteImage);
+        }
+    }
+}

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

@@ -1,12 +1,15 @@
 // Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
 // See the LICENCE file in the repository root for full licence text.
 
+using System;
 using osu.Framework.Graphics;
 using osu.Framework.Graphics.Textures;
 using osu.Framework.Audio.Sample;
 using osu.Framework.Bindables;
 using osu.Game.Rulesets.Scoring;
 using osu.Game.Audio;
+using osu.Game.Beatmaps;
+using osu.Game.Rulesets.Mania.Beatmaps;
 using osu.Game.Skinning;
 
 namespace osu.Game.Rulesets.Mania.Skinning
@@ -14,10 +17,32 @@ namespace osu.Game.Rulesets.Mania.Skinning
     public class ManiaLegacySkinTransformer : ISkin
     {
         private readonly ISkin source;
+        private readonly ManiaBeatmap beatmap;
 
-        public ManiaLegacySkinTransformer(ISkin source)
+        private Lazy<bool> isLegacySkin;
+
+        /// <summary>
+        /// Whether texture for the keys exists.
+        /// Used to determine if the mania ruleset is skinned.
+        /// </summary>
+        private Lazy<bool> hasKeyTexture;
+
+        public ManiaLegacySkinTransformer(ISkinSource source, IBeatmap beatmap)
         {
             this.source = source;
+            this.beatmap = (ManiaBeatmap)beatmap;
+
+            source.SourceChanged += sourceChanged;
+            sourceChanged();
+        }
+
+        private void sourceChanged()
+        {
+            isLegacySkin = new Lazy<bool>(() => source.GetConfig<LegacySkinConfiguration.LegacySetting, decimal>(LegacySkinConfiguration.LegacySetting.Version) != null);
+            hasKeyTexture = new Lazy<bool>(() => source.GetAnimation(
+                GetConfig<ManiaSkinConfigurationLookup, string>(
+                    new ManiaSkinConfigurationLookup(LegacyManiaSkinConfigurationLookups.KeyImage, 0))?.Value
+                ?? "mania-key1", true, true) != null);
         }
 
         public Drawable GetDrawableComponent(ISkinComponent component)
@@ -26,6 +51,39 @@ namespace osu.Game.Rulesets.Mania.Skinning
             {
                 case GameplaySkinComponent<HitResult> resultComponent:
                     return getResult(resultComponent);
+
+                case ManiaSkinComponent maniaComponent:
+                    if (!isLegacySkin.Value || !hasKeyTexture.Value)
+                        return null;
+
+                    switch (maniaComponent.Component)
+                    {
+                        case ManiaSkinComponents.ColumnBackground:
+                            return new LegacyColumnBackground(maniaComponent.TargetColumn == beatmap.TotalColumns - 1);
+
+                        case ManiaSkinComponents.HitTarget:
+                            return new LegacyHitTarget();
+
+                        case ManiaSkinComponents.KeyArea:
+                            return new LegacyKeyArea();
+
+                        case ManiaSkinComponents.Note:
+                            return new LegacyNotePiece();
+
+                        case ManiaSkinComponents.HoldNoteHead:
+                            return new LegacyHoldNoteHeadPiece();
+
+                        case ManiaSkinComponents.HoldNoteTail:
+                            return new LegacyHoldNoteTailPiece();
+
+                        case ManiaSkinComponents.HoldNoteBody:
+                            return new LegacyBodyPiece();
+
+                        case ManiaSkinComponents.HitExplosion:
+                            return new LegacyHitExplosion();
+                    }
+
+                    break;
             }
 
             return null;
@@ -61,7 +119,12 @@ namespace osu.Game.Rulesets.Mania.Skinning
 
         public SampleChannel GetSample(ISampleInfo sample) => source.GetSample(sample);
 
-        public IBindable<TValue> GetConfig<TLookup, TValue>(TLookup lookup) =>
+        public IBindable<TValue> GetConfig<TLookup, TValue>(TLookup lookup)
-            source.GetConfig<TLookup, TValue>(lookup);
+        {
+            if (lookup is ManiaSkinConfigurationLookup maniaLookup)
+                return source.GetConfig<LegacyManiaSkinConfigurationLookup, TValue>(new LegacyManiaSkinConfigurationLookup(beatmap.TotalColumns, maniaLookup.Lookup, maniaLookup.TargetColumn));
+
+            return source.GetConfig<TLookup, TValue>(lookup);
+        }
     }
 }

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

@@ -0,0 +1,33 @@
+// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
+// See the LICENCE file in the repository root for full licence text.
+
+using osu.Game.Rulesets.Mania.UI;
+using osu.Game.Skinning;
+
+namespace osu.Game.Rulesets.Mania.Skinning
+{
+    public class ManiaSkinConfigurationLookup
+    {
+        /// <summary>
+        /// The configuration lookup value.
+        /// </summary>
+        public readonly LegacyManiaSkinConfigurationLookups Lookup;
+
+        /// <summary>
+        /// The intended <see cref="Column"/> index for the configuration.
+        /// May be null if the configuration does not apply to a <see cref="Column"/>.
+        /// </summary>
+        public readonly int? TargetColumn;
+
+        /// <summary>
+        /// Creates a new <see cref="ManiaSkinConfigurationLookup"/>.
+        /// </summary>
+        /// <param name="lookup">The lookup value.</param>
+        /// <param name="targetColumn">The intended <see cref="Column"/> index for the configuration. May be null if the configuration does not apply to a <see cref="Column"/>.</param>
+        public ManiaSkinConfigurationLookup(LegacyManiaSkinConfigurationLookups lookup, int? targetColumn = null)
+        {
+            Lookup = lookup;
+            TargetColumn = targetColumn;
+        }
+    }
+}

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

@@ -12,17 +12,19 @@ using osu.Framework.Bindables;
 using osu.Framework.Input.Bindings;
 using osu.Game.Rulesets.Judgements;
 using osu.Game.Rulesets.Mania.Objects.Drawables;
-using osu.Game.Rulesets.Mania.Objects.Drawables.Pieces;
 using osu.Game.Rulesets.Mania.UI.Components;
 using osu.Game.Rulesets.UI.Scrolling;
+using osu.Game.Skinning;
 using osuTK;
+using osu.Game.Rulesets.Mania.Beatmaps;
 
 namespace osu.Game.Rulesets.Mania.UI
 {
+    [Cached]
     public class Column : ScrollingPlayfield, IKeyBindingHandler<ManiaAction>, IHasAccentColour
     {
         public const float COLUMN_WIDTH = 80;
-        private const float special_column_width = 70;
+        public const float SPECIAL_COLUMN_WIDTH = 70;
 
         /// <summary>
         /// The index of this column as part of the whole playfield.
@@ -31,12 +33,9 @@ namespace osu.Game.Rulesets.Mania.UI
 
         public readonly Bindable<ManiaAction> Action = new Bindable<ManiaAction>();
 
-        private readonly ColumnBackground background;
-        private readonly ColumnKeyArea keyArea;
         private readonly ColumnHitObjectArea hitObjectArea;
 
         internal readonly Container TopLevelContainer;
-        private readonly Container explosionContainer;
 
         public Column(int index)
         {
@@ -45,95 +44,34 @@ namespace osu.Game.Rulesets.Mania.UI
             RelativeSizeAxes = Axes.Y;
             Width = COLUMN_WIDTH;
 
-            background = new ColumnBackground { RelativeSizeAxes = Axes.Both };
+            Drawable background = new SkinnableDrawable(new ManiaSkinComponent(ManiaSkinComponents.ColumnBackground, Index), _ => new DefaultColumnBackground())
-
+            {
-            Container hitTargetContainer;
+                RelativeSizeAxes = Axes.Both
+            };
 
             InternalChildren = new[]
             {
                 // For input purposes, the background is added at the highest depth, but is then proxied back below all other elements
                 background.CreateProxy(),
-                hitTargetContainer = new Container
+                hitObjectArea = new ColumnHitObjectArea(Index, HitObjectContainer) { RelativeSizeAxes = Axes.Both },
+                new SkinnableDrawable(new ManiaSkinComponent(ManiaSkinComponents.KeyArea, Index), _ => new DefaultKeyArea())
                 {
-                    Name = "Hit target + hit objects",
+                    RelativeSizeAxes = Axes.Both
-                    RelativeSizeAxes = Axes.Both,
-                    Children = new Drawable[]
-                    {
-                        hitObjectArea = new ColumnHitObjectArea(HitObjectContainer)
-                        {
-                            RelativeSizeAxes = Axes.Both,
-                        },
-                        explosionContainer = new Container
-                        {
-                            Name = "Hit explosions",
-                            RelativeSizeAxes = Axes.Both,
-                        }
-                    }
-                },
-                keyArea = new ColumnKeyArea
-                {
-                    RelativeSizeAxes = Axes.X,
-                    Height = ManiaStage.HIT_TARGET_POSITION,
                 },
                 background,
                 TopLevelContainer = new Container { RelativeSizeAxes = Axes.Both }
             };
 
-            TopLevelContainer.Add(explosionContainer.CreateProxy());
+            TopLevelContainer.Add(hitObjectArea.Explosions.CreateProxy());
-
-            Direction.BindValueChanged(dir =>
-            {
-                hitTargetContainer.Padding = new MarginPadding
-                {
-                    Top = dir.NewValue == ScrollingDirection.Up ? ManiaStage.HIT_TARGET_POSITION : 0,
-                    Bottom = dir.NewValue == ScrollingDirection.Down ? ManiaStage.HIT_TARGET_POSITION : 0,
-                };
-
-                explosionContainer.Padding = new MarginPadding
-                {
-                    Top = dir.NewValue == ScrollingDirection.Up ? NotePiece.NOTE_HEIGHT / 2 : 0,
-                    Bottom = dir.NewValue == ScrollingDirection.Down ? NotePiece.NOTE_HEIGHT / 2 : 0
-                };
-
-                keyArea.Anchor = keyArea.Origin = dir.NewValue == ScrollingDirection.Up ? Anchor.TopLeft : Anchor.BottomLeft;
-            }, true);
         }
 
         public override Axes RelativeSizeAxes => Axes.Y;
 
-        private bool isSpecial;
+        public ColumnType ColumnType { get; set; }
 
-        public bool IsSpecial
+        public bool IsSpecial => ColumnType == ColumnType.Special;
-        {
-            get => isSpecial;
-            set
-            {
-                if (isSpecial == value)
-                    return;
 
-                isSpecial = value;
+        public Color4 AccentColour { get; set; }
-
-                Width = isSpecial ? special_column_width : COLUMN_WIDTH;
-            }
-        }
-
-        private Color4 accentColour;
-
-        public Color4 AccentColour
-        {
-            get => accentColour;
-            set
-            {
-                if (accentColour == value)
-                    return;
-
-                accentColour = value;
-
-                background.AccentColour = value;
-                keyArea.AccentColour = value;
-                hitObjectArea.AccentColour = value;
-            }
-        }
 
         protected override IReadOnlyDependencyContainer CreateChildDependencies(IReadOnlyDependencyContainer parent)
         {
@@ -168,11 +106,15 @@ namespace osu.Game.Rulesets.Mania.UI
             if (!result.IsHit || !judgedObject.DisplayResult || !DisplayJudgements.Value)
                 return;
 
-            explosionContainer.Add(new HitExplosion(judgedObject.AccentColour.Value, judgedObject is DrawableHoldNoteTick)
+            var explosion = new SkinnableDrawable(new ManiaSkinComponent(ManiaSkinComponents.HitExplosion, Index), _ =>
+                new DefaultHitExplosion(judgedObject.AccentColour.Value, judgedObject is DrawableHoldNoteTick))
             {
-                Anchor = Direction.Value == ScrollingDirection.Up ? Anchor.TopCentre : Anchor.BottomCentre,
+                RelativeSizeAxes = Axes.Both
-                Origin = Anchor.Centre
+            };
-            });
+
+            hitObjectArea.Explosions.Add(explosion);
+
+            explosion.Delay(200).Expire(true);
         }
 
         public bool OnPressed(ManiaAction action)
@@ -197,6 +139,6 @@ namespace osu.Game.Rulesets.Mania.UI
 
         public override bool ReceivePositionalInputAt(Vector2 screenSpacePos)
             // This probably shouldn't exist as is, but the columns in the stage are separated by a 1px border
-            => DrawRectangle.Inflate(new Vector2(ManiaStage.COLUMN_SPACING / 2, 0)).Contains(ToLocalSpace(screenSpacePos));
+            => DrawRectangle.Inflate(new Vector2(Stage.COLUMN_SPACING / 2, 0)).Contains(ToLocalSpace(screenSpacePos));
     }
 }

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

@@ -1,145 +1,45 @@
 // 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.Bindables;
-using osu.Framework.Extensions.Color4Extensions;
 using osu.Framework.Graphics;
 using osu.Framework.Graphics.Containers;
-using osu.Framework.Graphics.Effects;
-using osu.Framework.Graphics.Shapes;
-using osu.Game.Graphics;
-using osu.Game.Rulesets.Mania.Objects.Drawables.Pieces;
 using osu.Game.Rulesets.UI;
 using osu.Game.Rulesets.UI.Scrolling;
-using osuTK.Graphics;
+using osu.Game.Skinning;
 
 namespace osu.Game.Rulesets.Mania.UI.Components
 {
-    public class ColumnHitObjectArea : CompositeDrawable, IHasAccentColour
+    public class ColumnHitObjectArea : HitObjectArea
     {
-        private readonly IBindable<ScrollingDirection> direction = new Bindable<ScrollingDirection>();
+        public readonly Container Explosions;
-
         private readonly Drawable hitTarget;
 
-        public ColumnHitObjectArea(HitObjectContainer hitObjectContainer)
+        public ColumnHitObjectArea(int columnIndex, HitObjectContainer hitObjectContainer)
+            : base(hitObjectContainer)
         {
-            InternalChildren = new[]
+            AddRangeInternal(new[]
             {
-                hitTarget = new DefaultHitTarget
+                hitTarget = new SkinnableDrawable(new ManiaSkinComponent(ManiaSkinComponents.HitTarget, columnIndex), _ => new DefaultHitTarget())
                 {
                     RelativeSizeAxes = Axes.X,
+                    Depth = 1
                 },
-                hitObjectContainer
+                Explosions = new Container
-            };
-        }
-
-        [BackgroundDependencyLoader]
-        private void load(IScrollingInfo scrollingInfo)
-        {
-            direction.BindTo(scrollingInfo.Direction);
-            direction.BindValueChanged(dir =>
-            {
-                Anchor anchor = dir.NewValue == ScrollingDirection.Up ? Anchor.TopLeft : Anchor.BottomLeft;
-
-                hitTarget.Anchor = hitTarget.Origin = anchor;
-            }, true);
-        }
-
-        private Color4 accentColour;
-
-        public Color4 AccentColour
-        {
-            get => accentColour;
-            set
-            {
-                if (accentColour == value)
-                    return;
-
-                accentColour = value;
-
-                if (hitTarget is IHasAccentColour colouredHitTarget)
-                    colouredHitTarget.AccentColour = accentColour;
-            }
-        }
-
-        private class DefaultHitTarget : CompositeDrawable, IHasAccentColour
-        {
-            private const float hit_target_bar_height = 2;
-
-            private readonly IBindable<ScrollingDirection> direction = new Bindable<ScrollingDirection>();
-
-            private readonly Container hitTargetLine;
-            private readonly Drawable hitTargetBar;
-
-            public DefaultHitTarget()
-            {
-                InternalChildren = new[]
                 {
-                    hitTargetBar = new Box
+                    RelativeSizeAxes = Axes.Both,
-                    {
+                    Depth = -1,
-                        RelativeSizeAxes = Axes.X,
-                        Height = NotePiece.NOTE_HEIGHT,
-                        Alpha = 0.6f,
-                        Colour = Color4.Black
-                    },
-                    hitTargetLine = new Container
-                    {
-                        RelativeSizeAxes = Axes.X,
-                        Height = hit_target_bar_height,
-                        Masking = true,
-                        Child = new Box { RelativeSizeAxes = Axes.Both }
-                    },
-                };
-            }
-
-            [BackgroundDependencyLoader]
-            private void load(IScrollingInfo scrollingInfo)
-            {
-                direction.BindTo(scrollingInfo.Direction);
-                direction.BindValueChanged(dir =>
-                {
-                    Anchor anchor = dir.NewValue == ScrollingDirection.Up ? Anchor.TopLeft : Anchor.BottomLeft;
-
-                    hitTargetBar.Anchor = hitTargetBar.Origin = anchor;
-                    hitTargetLine.Anchor = hitTargetLine.Origin = anchor;
-                }, true);
-            }
-
-            protected override void LoadComplete()
-            {
-                base.LoadComplete();
-                updateColours();
-            }
-
-            private Color4 accentColour;
-
-            public Color4 AccentColour
-            {
-                get => accentColour;
-                set
-                {
-                    if (accentColour == value)
-                        return;
-
-                    accentColour = value;
-
-                    updateColours();
                 }
-            }
+            });
+        }
 
-            private void updateColours()
+        protected override void UpdateHitPosition()
-            {
+        {
-                if (!IsLoaded)
+            base.UpdateHitPosition();
-                    return;
 
-                hitTargetLine.EdgeEffect = new EdgeEffectParameters
+            if (Direction.Value == ScrollingDirection.Up)
-                {
+                hitTarget.Anchor = hitTarget.Origin = Anchor.TopLeft;
-                    Type = EdgeEffectType.Glow,
+            else
-                    Radius = 5,
+                hitTarget.Anchor = hitTarget.Origin = Anchor.BottomLeft;
-                    Colour = accentColour.Opacity(0.5f),
-                };
-            }
         }
     }
 }

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

@@ -1,124 +0,0 @@
-// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
-// See the LICENCE file in the repository root for full licence text.
-
-using osu.Framework.Allocation;
-using osu.Framework.Bindables;
-using osu.Framework.Extensions.Color4Extensions;
-using osu.Framework.Graphics;
-using osu.Framework.Graphics.Colour;
-using osu.Framework.Graphics.Containers;
-using osu.Framework.Graphics.Effects;
-using osu.Framework.Graphics.Shapes;
-using osu.Framework.Input.Bindings;
-using osu.Game.Graphics;
-using osu.Game.Rulesets.UI.Scrolling;
-using osuTK;
-using osuTK.Graphics;
-
-namespace osu.Game.Rulesets.Mania.UI.Components
-{
-    public class ColumnKeyArea : CompositeDrawable, IKeyBindingHandler<ManiaAction>, IHasAccentColour
-    {
-        private const float key_icon_size = 10;
-        private const float key_icon_corner_radius = 3;
-
-        private readonly IBindable<ManiaAction> action = new Bindable<ManiaAction>();
-        private readonly IBindable<ScrollingDirection> direction = new Bindable<ScrollingDirection>();
-
-        private Container keyIcon;
-
-        [BackgroundDependencyLoader]
-        private void load(IBindable<ManiaAction> action, IScrollingInfo scrollingInfo)
-        {
-            this.action.BindTo(action);
-
-            Drawable gradient;
-
-            InternalChildren = new[]
-            {
-                gradient = new Box
-                {
-                    Name = "Key gradient",
-                    RelativeSizeAxes = Axes.Both,
-                    Alpha = 0.5f
-                },
-                keyIcon = new Container
-                {
-                    Name = "Key icon",
-                    Anchor = Anchor.Centre,
-                    Origin = Anchor.Centre,
-                    Size = new Vector2(key_icon_size),
-                    Masking = true,
-                    CornerRadius = key_icon_corner_radius,
-                    BorderThickness = 2,
-                    BorderColour = Color4.White, // Not true
-                    Children = new[]
-                    {
-                        new Box
-                        {
-                            RelativeSizeAxes = Axes.Both,
-                            Alpha = 0,
-                            AlwaysPresent = true
-                        }
-                    }
-                }
-            };
-
-            direction.BindTo(scrollingInfo.Direction);
-            direction.BindValueChanged(dir =>
-            {
-                gradient.Colour = ColourInfo.GradientVertical(
-                    dir.NewValue == ScrollingDirection.Up ? Color4.Black : Color4.Black.Opacity(0),
-                    dir.NewValue == ScrollingDirection.Up ? Color4.Black.Opacity(0) : Color4.Black);
-            }, true);
-        }
-
-        protected override void LoadComplete()
-        {
-            base.LoadComplete();
-            updateColours();
-        }
-
-        private Color4 accentColour;
-
-        public Color4 AccentColour
-        {
-            get => accentColour;
-            set
-            {
-                if (accentColour == value)
-                    return;
-
-                accentColour = value;
-
-                updateColours();
-            }
-        }
-
-        private void updateColours()
-        {
-            if (!IsLoaded)
-                return;
-
-            keyIcon.EdgeEffect = new EdgeEffectParameters
-            {
-                Type = EdgeEffectType.Glow,
-                Radius = 5,
-                Colour = accentColour.Opacity(0.5f),
-            };
-        }
-
-        public bool OnPressed(ManiaAction action)
-        {
-            if (action == this.action.Value)
-                keyIcon.ScaleTo(1.4f, 50, Easing.OutQuint).Then().ScaleTo(1.3f, 250, Easing.OutQuint);
-            return false;
-        }
-
-        public void OnReleased(ManiaAction action)
-        {
-            if (action == this.action.Value)
-                keyIcon.ScaleTo(1f, 125, Easing.OutQuint);
-        }
-    }
-}

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

@@ -0,0 +1,90 @@
+// 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.Bindables;
+using osu.Framework.Extensions.Color4Extensions;
+using osu.Framework.Graphics;
+using osu.Framework.Graphics.Colour;
+using osu.Framework.Graphics.Containers;
+using osu.Framework.Graphics.Shapes;
+using osu.Framework.Input.Bindings;
+using osu.Game.Rulesets.UI.Scrolling;
+using osuTK.Graphics;
+
+namespace osu.Game.Rulesets.Mania.UI.Components
+{
+    public class DefaultColumnBackground : CompositeDrawable, IKeyBindingHandler<ManiaAction>
+    {
+        private readonly IBindable<ScrollingDirection> direction = new Bindable<ScrollingDirection>();
+
+        private Color4 brightColour;
+        private Color4 dimColour;
+
+        private Box background;
+        private Box backgroundOverlay;
+
+        [Resolved]
+        private Column column { get; set; }
+
+        public DefaultColumnBackground()
+        {
+            RelativeSizeAxes = Axes.Both;
+        }
+
+        [BackgroundDependencyLoader]
+        private void load(IScrollingInfo scrollingInfo)
+        {
+            InternalChildren = new[]
+            {
+                background = new Box
+                {
+                    Name = "Background",
+                    RelativeSizeAxes = Axes.Both,
+                },
+                backgroundOverlay = new Box
+                {
+                    Name = "Background Gradient Overlay",
+                    RelativeSizeAxes = Axes.Both,
+                    Height = 0.5f,
+                    Blending = BlendingParameters.Additive,
+                    Alpha = 0
+                }
+            };
+
+            background.Colour = column.AccentColour.Darken(5);
+            brightColour = column.AccentColour.Opacity(0.6f);
+            dimColour = column.AccentColour.Opacity(0);
+
+            direction.BindTo(scrollingInfo.Direction);
+            direction.BindValueChanged(onDirectionChanged, true);
+        }
+
+        private void onDirectionChanged(ValueChangedEvent<ScrollingDirection> direction)
+        {
+            if (direction.NewValue == ScrollingDirection.Up)
+            {
+                backgroundOverlay.Anchor = backgroundOverlay.Origin = Anchor.TopLeft;
+                backgroundOverlay.Colour = ColourInfo.GradientVertical(brightColour, dimColour);
+            }
+            else
+            {
+                backgroundOverlay.Anchor = backgroundOverlay.Origin = Anchor.BottomLeft;
+                backgroundOverlay.Colour = ColourInfo.GradientVertical(dimColour, brightColour);
+            }
+        }
+
+        public bool OnPressed(ManiaAction action)
+        {
+            if (action == column.Action.Value)
+                backgroundOverlay.FadeTo(1, 50, Easing.OutQuint).Then().FadeTo(0.5f, 250, Easing.OutQuint);
+            return false;
+        }
+
+        public void OnReleased(ManiaAction action)
+        {
+            if (action == column.Action.Value)
+                backgroundOverlay.FadeTo(0, 250, Easing.OutQuint);
+        }
+    }
+}

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

@@ -0,0 +1,80 @@
+// 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.Bindables;
+using osu.Framework.Extensions.Color4Extensions;
+using osu.Framework.Graphics;
+using osu.Framework.Graphics.Containers;
+using osu.Framework.Graphics.Effects;
+using osu.Framework.Graphics.Shapes;
+using osu.Game.Rulesets.Mania.Objects.Drawables.Pieces;
+using osu.Game.Rulesets.UI.Scrolling;
+using osuTK.Graphics;
+
+namespace osu.Game.Rulesets.Mania.UI.Components
+{
+    public class DefaultHitTarget : CompositeDrawable
+    {
+        private const float hit_target_bar_height = 2;
+
+        private readonly IBindable<ScrollingDirection> direction = new Bindable<ScrollingDirection>();
+
+        private Container hitTargetLine;
+        private Drawable hitTargetBar;
+
+        [Resolved]
+        private Column column { get; set; }
+
+        public DefaultHitTarget()
+        {
+            RelativeSizeAxes = Axes.Both;
+        }
+
+        [BackgroundDependencyLoader]
+        private void load(IScrollingInfo scrollingInfo)
+        {
+            InternalChildren = new[]
+            {
+                hitTargetBar = new Box
+                {
+                    RelativeSizeAxes = Axes.X,
+                    Height = DefaultNotePiece.NOTE_HEIGHT,
+                    Alpha = 0.6f,
+                    Colour = Color4.Black
+                },
+                hitTargetLine = new Container
+                {
+                    RelativeSizeAxes = Axes.X,
+                    Height = hit_target_bar_height,
+                    Masking = true,
+                    Child = new Box { RelativeSizeAxes = Axes.Both }
+                },
+            };
+
+            hitTargetLine.EdgeEffect = new EdgeEffectParameters
+            {
+                Type = EdgeEffectType.Glow,
+                Radius = 5,
+                Colour = column.AccentColour.Opacity(0.5f),
+            };
+
+            direction.BindTo(scrollingInfo.Direction);
+            direction.BindValueChanged(onDirectionChanged, true);
+        }
+
+        private void onDirectionChanged(ValueChangedEvent<ScrollingDirection> direction)
+        {
+            if (direction.NewValue == ScrollingDirection.Up)
+            {
+                hitTargetBar.Anchor = hitTargetBar.Origin = Anchor.TopLeft;
+                hitTargetLine.Anchor = hitTargetLine.Origin = Anchor.TopLeft;
+            }
+            else
+            {
+                hitTargetBar.Anchor = hitTargetBar.Origin = Anchor.BottomLeft;
+                hitTargetLine.Anchor = hitTargetLine.Origin = Anchor.BottomLeft;
+            }
+        }
+    }
+}

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

@@ -0,0 +1,117 @@
+// 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.Bindables;
+using osu.Framework.Extensions.Color4Extensions;
+using osu.Framework.Graphics;
+using osu.Framework.Graphics.Colour;
+using osu.Framework.Graphics.Containers;
+using osu.Framework.Graphics.Effects;
+using osu.Framework.Graphics.Shapes;
+using osu.Framework.Input.Bindings;
+using osu.Game.Rulesets.UI.Scrolling;
+using osuTK;
+using osuTK.Graphics;
+
+namespace osu.Game.Rulesets.Mania.UI.Components
+{
+    public class DefaultKeyArea : CompositeDrawable, IKeyBindingHandler<ManiaAction>
+    {
+        private const float key_icon_size = 10;
+        private const float key_icon_corner_radius = 3;
+
+        private readonly IBindable<ScrollingDirection> direction = new Bindable<ScrollingDirection>();
+
+        private Container directionContainer;
+        private Container keyIcon;
+        private Drawable gradient;
+
+        [Resolved]
+        private Column column { get; set; }
+
+        public DefaultKeyArea()
+        {
+            RelativeSizeAxes = Axes.Both;
+        }
+
+        [BackgroundDependencyLoader]
+        private void load(IScrollingInfo scrollingInfo)
+        {
+            InternalChild = directionContainer = new Container
+            {
+                RelativeSizeAxes = Axes.X,
+                Height = Stage.HIT_TARGET_POSITION,
+                Children = new[]
+                {
+                    gradient = new Box
+                    {
+                        Name = "Key gradient",
+                        RelativeSizeAxes = Axes.Both,
+                        Alpha = 0.5f
+                    },
+                    keyIcon = new Container
+                    {
+                        Name = "Key icon",
+                        Size = new Vector2(key_icon_size),
+                        Origin = Anchor.Centre,
+                        Masking = true,
+                        CornerRadius = key_icon_corner_radius,
+                        BorderThickness = 2,
+                        BorderColour = Color4.White, // Not true
+                        Children = new[]
+                        {
+                            new Box
+                            {
+                                RelativeSizeAxes = Axes.Both,
+                                Alpha = 0,
+                                AlwaysPresent = true
+                            }
+                        }
+                    }
+                }
+            };
+
+            keyIcon.EdgeEffect = new EdgeEffectParameters
+            {
+                Type = EdgeEffectType.Glow,
+                Radius = 5,
+                Colour = column.AccentColour.Opacity(0.5f),
+            };
+
+            direction.BindTo(scrollingInfo.Direction);
+            direction.BindValueChanged(onDirectionChanged, true);
+        }
+
+        private void onDirectionChanged(ValueChangedEvent<ScrollingDirection> direction)
+        {
+            if (direction.NewValue == ScrollingDirection.Up)
+            {
+                keyIcon.Anchor = Anchor.BottomCentre;
+                keyIcon.Y = -20;
+                directionContainer.Anchor = directionContainer.Origin = Anchor.TopLeft;
+                gradient.Colour = ColourInfo.GradientVertical(Color4.Black, Color4.Black.Opacity(0));
+            }
+            else
+            {
+                keyIcon.Anchor = Anchor.TopCentre;
+                keyIcon.Y = 20;
+                directionContainer.Anchor = directionContainer.Origin = Anchor.BottomLeft;
+                gradient.Colour = ColourInfo.GradientVertical(Color4.Black.Opacity(0), Color4.Black);
+            }
+        }
+
+        public bool OnPressed(ManiaAction action)
+        {
+            if (action == column.Action.Value)
+                keyIcon.ScaleTo(1.4f, 50, Easing.OutQuint).Then().ScaleTo(1.3f, 250, Easing.OutQuint);
+            return false;
+        }
+
+        public void OnReleased(ManiaAction action)
+        {
+            if (action == column.Action.Value)
+                keyIcon.ScaleTo(1f, 125, Easing.OutQuint);
+        }
+    }
+}

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

@@ -0,0 +1,55 @@
+// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
+// See the LICENCE file in the repository root for full licence text.
+
+using osu.Framework.Allocation;
+using osu.Framework.Bindables;
+using osu.Framework.Graphics;
+using osu.Game.Rulesets.Mania.Skinning;
+using osu.Game.Rulesets.UI;
+using osu.Game.Rulesets.UI.Scrolling;
+using osu.Game.Skinning;
+
+namespace osu.Game.Rulesets.Mania.UI.Components
+{
+    public class HitObjectArea : SkinReloadableDrawable
+    {
+        protected readonly IBindable<ScrollingDirection> Direction = new Bindable<ScrollingDirection>();
+
+        public HitObjectArea(HitObjectContainer hitObjectContainer)
+        {
+            InternalChildren = new[]
+            {
+                hitObjectContainer,
+            };
+        }
+
+        [BackgroundDependencyLoader]
+        private void load(IScrollingInfo scrollingInfo)
+        {
+            Direction.BindTo(scrollingInfo.Direction);
+            Direction.BindValueChanged(onDirectionChanged, true);
+        }
+
+        protected override void SkinChanged(ISkinSource skin, bool allowFallback)
+        {
+            base.SkinChanged(skin, allowFallback);
+            UpdateHitPosition();
+        }
+
+        private void onDirectionChanged(ValueChangedEvent<ScrollingDirection> direction)
+        {
+            UpdateHitPosition();
+        }
+
+        protected virtual void UpdateHitPosition()
+        {
+            float hitPosition = CurrentSkin.GetConfig<ManiaSkinConfigurationLookup, float>(
+                                    new ManiaSkinConfigurationLookup(LegacyManiaSkinConfigurationLookups.HitPosition))?.Value
+                                ?? Stage.HIT_TARGET_POSITION;
+
+            Padding = Direction.Value == ScrollingDirection.Up
+                ? new MarginPadding { Top = hitPosition }
+                : new MarginPadding { Bottom = hitPosition };
+        }
+    }
+}

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

@@ -1,28 +1,35 @@
 // 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.Bindables;
 using osu.Framework.Extensions.Color4Extensions;
 using osu.Framework.Graphics;
 using osu.Framework.Graphics.Containers;
 using osu.Framework.Graphics.Effects;
 using osu.Framework.Utils;
 using osu.Game.Rulesets.Mania.Objects.Drawables.Pieces;
+using osu.Game.Rulesets.UI.Scrolling;
 using osuTK;
 using osuTK.Graphics;
 
 namespace osu.Game.Rulesets.Mania.UI
 {
-    internal class HitExplosion : CompositeDrawable
+    public class DefaultHitExplosion : CompositeDrawable
     {
         public override bool RemoveWhenNotAlive => true;
 
+        private readonly IBindable<ScrollingDirection> direction = new Bindable<ScrollingDirection>();
+
         private readonly CircularContainer largeFaint;
         private readonly CircularContainer mainGlow1;
 
-        public HitExplosion(Color4 objectColour, bool isSmall = false)
+        public DefaultHitExplosion(Color4 objectColour, bool isSmall = false)
         {
+            Origin = Anchor.Centre;
+
             RelativeSizeAxes = Axes.X;
-            Height = NotePiece.NOTE_HEIGHT;
+            Height = DefaultNotePiece.NOTE_HEIGHT;
 
             // scale roughly in-line with visual appearance of notes
             Scale = new Vector2(1f, 0.6f);
@@ -109,6 +116,13 @@ namespace osu.Game.Rulesets.Mania.UI
             };
         }
 
+        [BackgroundDependencyLoader]
+        private void load(IScrollingInfo scrollingInfo)
+        {
+            direction.BindTo(scrollingInfo.Direction);
+            direction.BindValueChanged(onDirectionChanged, true);
+        }
+
         protected override void LoadComplete()
         {
             const double duration = 200;
@@ -122,7 +136,20 @@ namespace osu.Game.Rulesets.Mania.UI
             mainGlow1.ScaleTo(1.4f, duration, Easing.OutQuint);
 
             this.FadeOut(duration, Easing.Out);
-            Expire(true);
+        }
+
+        private void onDirectionChanged(ValueChangedEvent<ScrollingDirection> direction)
+        {
+            if (direction.NewValue == ScrollingDirection.Up)
+            {
+                Anchor = Anchor.TopCentre;
+                Y = DefaultNotePiece.NOTE_HEIGHT / 2;
+            }
+            else
+            {
+                Anchor = Anchor.BottomCentre;
+                Y = -DefaultNotePiece.NOTE_HEIGHT / 2;
+            }
         }
     }
 }

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

@@ -5,8 +5,10 @@ using System.Collections.Generic;
 using osu.Framework.Allocation;
 using osu.Framework.Bindables;
 using osu.Framework.Extensions.IEnumerableExtensions;
+using osu.Framework.Graphics;
 using osu.Framework.Input;
 using osu.Game.Beatmaps;
+using osu.Game.Beatmaps.ControlPoints;
 using osu.Game.Input.Handlers;
 using osu.Game.Replays;
 using osu.Game.Rulesets.Mania.Beatmaps;
@@ -25,6 +27,16 @@ namespace osu.Game.Rulesets.Mania.UI
 {
     public class DrawableManiaRuleset : DrawableScrollingRuleset<ManiaHitObject>
     {
+        /// <summary>
+        /// The minimum time range. This occurs at a <see cref="relativeTimeRange"/> of 40.
+        /// </summary>
+        public const double MIN_TIME_RANGE = 150;
+
+        /// <summary>
+        /// The maximum time range. This occurs at a <see cref="relativeTimeRange"/> of 1.
+        /// </summary>
+        public const double MAX_TIME_RANGE = 6000;
+
         protected new ManiaPlayfield Playfield => (ManiaPlayfield)base.Playfield;
 
         public new ManiaBeatmap Beatmap => (ManiaBeatmap)base.Beatmap;
@@ -46,6 +58,19 @@ namespace osu.Game.Rulesets.Mania.UI
         [BackgroundDependencyLoader]
         private void load()
         {
+            bool isForCurrentRuleset = Beatmap.BeatmapInfo.Ruleset.Equals(Ruleset.RulesetInfo);
+
+            foreach (var p in ControlPoints)
+            {
+                // Mania doesn't care about global velocity
+                p.Velocity = 1;
+                p.BaseBeatLength *= Beatmap.BeatmapInfo.BaseDifficulty.SliderMultiplier;
+
+                // For non-mania beatmap, speed changes should only happen through timing points
+                if (!isForCurrentRuleset)
+                    p.DifficultyPoint = new DifficultyControlPoint();
+            }
+
             BarLines.ForEach(Playfield.Add);
 
             Config.BindWith(ManiaRulesetSetting.ScrollDirection, configDirection);
@@ -54,6 +79,17 @@ namespace osu.Game.Rulesets.Mania.UI
             Config.BindWith(ManiaRulesetSetting.ScrollTime, TimeRange);
         }
 
+        protected override void AdjustScrollSpeed(int amount)
+        {
+            this.TransformTo(nameof(relativeTimeRange), relativeTimeRange + amount, 200, Easing.OutQuint);
+        }
+
+        private double relativeTimeRange
+        {
+            get => MAX_TIME_RANGE / TimeRange.Value;
+            set => TimeRange.Value = MAX_TIME_RANGE / value;
+        }
+
         /// <summary>
         /// Retrieves the column that intersects a screen-space position.
         /// </summary>
@@ -85,5 +121,7 @@ namespace osu.Game.Rulesets.Mania.UI
         }
 
         protected override ReplayInputHandler CreateReplayInputHandler(Replay replay) => new ManiaFramedReplayInputHandler(replay);
+
+        protected override ReplayRecorder CreateReplayRecorder(Replay replay) => new ManiaReplayRecorder(replay);
     }
 }

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

@@ -16,7 +16,7 @@ namespace osu.Game.Rulesets.Mania.UI
 {
     public class ManiaPlayfield : ScrollingPlayfield
     {
-        private readonly List<ManiaStage> stages = new List<ManiaStage>();
+        private readonly List<Stage> stages = new List<Stage>();
 
         public override bool ReceivePositionalInputAt(Vector2 screenSpacePos) => stages.Any(s => s.ReceivePositionalInputAt(screenSpacePos));
 
@@ -41,7 +41,7 @@ namespace osu.Game.Rulesets.Mania.UI
 
             for (int i = 0; i < stageDefinitions.Count; i++)
             {
-                var newStage = new ManiaStage(firstColumnIndex, stageDefinitions[i], ref normalColumnAction, ref specialColumnAction);
+                var newStage = new Stage(firstColumnIndex, stageDefinitions[i], ref normalColumnAction, ref specialColumnAction);
 
                 playfieldGrid.Content[0][i] = newStage;
 
@@ -90,7 +90,7 @@ namespace osu.Game.Rulesets.Mania.UI
         /// </summary>
         public int TotalColumns => stages.Sum(s => s.Columns.Count);
 
-        private ManiaStage getStageByColumn(int column)
+        private Stage getStageByColumn(int column)
         {
             int sum = 0;
 

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

@@ -3,7 +3,6 @@
 
 using osu.Framework.Graphics;
 using osu.Game.Rulesets.UI;
-using osuTK;
 
 namespace osu.Game.Rulesets.Mania.UI
 {
@@ -13,8 +12,6 @@ namespace osu.Game.Rulesets.Mania.UI
         {
             Anchor = Anchor.Centre;
             Origin = Anchor.Centre;
-
-            Size = new Vector2(1, 0.8f);
         }
     }
 }

osu.Game.Rulesets.Mania/UI/ManiaReplayRecorder.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.
+
+using System.Collections.Generic;
+using osu.Game.Replays;
+using osu.Game.Rulesets.Mania.Replays;
+using osu.Game.Rulesets.Replays;
+using osu.Game.Rulesets.UI;
+using osuTK;
+
+namespace osu.Game.Rulesets.Mania.UI
+{
+    public class ManiaReplayRecorder : ReplayRecorder<ManiaAction>
+    {
+        public ManiaReplayRecorder(Replay replay)
+            : base(replay)
+        {
+        }
+
+        protected override ReplayFrame HandleFrame(Vector2 mousePosition, List<ManiaAction> actions, ReplayFrame previousFrame)
+            => new ManiaReplayFrame(Time.Current, actions.ToArray());
+    }
+}

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

@@ -1,7 +1,6 @@
 // Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
 // See the LICENCE file in the repository root for full licence text.
 
-using System;
 using System.Collections.Generic;
 using System.Linq;
 using osu.Framework.Allocation;
@@ -12,9 +11,12 @@ using osu.Game.Rulesets.Judgements;
 using osu.Game.Rulesets.Mania.Beatmaps;
 using osu.Game.Rulesets.Mania.Objects;
 using osu.Game.Rulesets.Mania.Objects.Drawables;
+using osu.Game.Rulesets.Mania.Skinning;
+using osu.Game.Rulesets.Mania.UI.Components;
 using osu.Game.Rulesets.Objects.Drawables;
 using osu.Game.Rulesets.UI;
 using osu.Game.Rulesets.UI.Scrolling;
+using osu.Game.Skinning;
 using osuTK;
 using osuTK.Graphics;
 
@@ -23,30 +25,33 @@ namespace osu.Game.Rulesets.Mania.UI
     /// <summary>
     /// A collection of <see cref="Column"/>s.
     /// </summary>
-    public class ManiaStage : ScrollingPlayfield
+    public class Stage : ScrollingPlayfield
     {
         public const float COLUMN_SPACING = 1;
 
-        public const float HIT_TARGET_POSITION = 50;
+        public const float HIT_TARGET_POSITION = 110;
 
         public IReadOnlyList<Column> Columns => columnFlow.Children;
         private readonly FillFlowContainer<Column> columnFlow;
 
-        private readonly Container barLineContainer;
-
         public Container<DrawableManiaJudgement> Judgements => judgements;
         private readonly JudgementContainer<DrawableManiaJudgement> judgements;
 
+        private readonly Drawable barLineContainer;
         private readonly Container topLevelContainer;
 
-        private List<Color4> normalColumnColours = new List<Color4>();
+        private readonly Dictionary<ColumnType, Color4> columnColours = new Dictionary<ColumnType, Color4>
-        private Color4 specialColumnColour;
+        {
+            { ColumnType.Even, new Color4(6, 84, 0, 255) },
+            { ColumnType.Odd, new Color4(94, 0, 57, 255) },
+            { ColumnType.Special, new Color4(0, 48, 63, 255) }
+        };
 
         public override bool ReceivePositionalInputAt(Vector2 screenSpacePos) => Columns.Any(c => c.ReceivePositionalInputAt(screenSpacePos));
 
         private readonly int firstColumnIndex;
 
-        public ManiaStage(int firstColumnIndex, StageDefinition definition, ref ManiaAction normalColumnStartAction, ref ManiaAction specialColumnStartAction)
+        public Stage(int firstColumnIndex, StageDefinition definition, ref ManiaAction normalColumnStartAction, ref ManiaAction specialColumnStartAction)
         {
             this.firstColumnIndex = firstColumnIndex;
 
@@ -67,31 +72,19 @@ namespace osu.Game.Rulesets.Mania.UI
                     AutoSizeAxes = Axes.X,
                     Children = new Drawable[]
                     {
-                        new Container
+                        new Box
                         {
-                            Name = "Columns mask",
+                            Name = "Background",
+                            RelativeSizeAxes = Axes.Both,
+                            Colour = Color4.Black
+                        },
+                        columnFlow = new FillFlowContainer<Column>
+                        {
+                            Name = "Columns",
                             RelativeSizeAxes = Axes.Y,
                             AutoSizeAxes = Axes.X,
-                            Masking = true,
+                            Direction = FillDirection.Horizontal,
-                            CornerRadius = 5,
+                            Padding = new MarginPadding { Left = COLUMN_SPACING, Right = COLUMN_SPACING },
-                            Children = new Drawable[]
-                            {
-                                new Box
-                                {
-                                    Name = "Background",
-                                    RelativeSizeAxes = Axes.Both,
-                                    Colour = Color4.Black
-                                },
-                                columnFlow = new FillFlowContainer<Column>
-                                {
-                                    Name = "Columns",
-                                    RelativeSizeAxes = Axes.Y,
-                                    AutoSizeAxes = Axes.X,
-                                    Direction = FillDirection.Horizontal,
-                                    Padding = new MarginPadding { Left = COLUMN_SPACING, Right = COLUMN_SPACING },
-                                    Spacing = new Vector2(COLUMN_SPACING, 0)
-                                },
-                            }
                         },
                         new Container
                         {
@@ -102,13 +95,12 @@ namespace osu.Game.Rulesets.Mania.UI
                             Width = 1366, // Bar lines should only be masked on the vertical axis
                             BypassAutoSizeAxes = Axes.Both,
                             Masking = true,
-                            Child = barLineContainer = new Container
+                            Child = barLineContainer = new HitObjectArea(HitObjectContainer)
                             {
                                 Name = "Bar lines",
                                 Anchor = Anchor.TopCentre,
                                 Origin = Anchor.TopCentre,
                                 RelativeSizeAxes = Axes.Y,
-                                Child = HitObjectContainer
                             }
                         },
                         judgements = new JudgementContainer<DrawableManiaJudgement>
@@ -125,24 +117,52 @@ namespace osu.Game.Rulesets.Mania.UI
 
             for (int i = 0; i < definition.Columns; i++)
             {
-                var isSpecial = definition.IsSpecialColumn(i);
+                var columnType = definition.GetTypeOfColumn(i);
                 var column = new Column(firstColumnIndex + i)
                 {
-                    IsSpecial = isSpecial,
+                    ColumnType = columnType,
-                    Action = { Value = isSpecial ? specialColumnStartAction++ : normalColumnStartAction++ }
+                    AccentColour = columnColours[columnType],
+                    Action = { Value = columnType == ColumnType.Special ? specialColumnStartAction++ : normalColumnStartAction++ }
                 };
 
                 AddColumn(column);
             }
+        }
 
-            Direction.BindValueChanged(dir =>
+        private ISkin currentSkin;
+
+        [BackgroundDependencyLoader]
+        private void load(ISkinSource skin)
+        {
+            currentSkin = skin;
+            skin.SourceChanged += onSkinChanged;
+
+            onSkinChanged();
+        }
+
+        private void onSkinChanged()
+        {
+            foreach (var col in columnFlow)
             {
-                barLineContainer.Padding = new MarginPadding
+                if (col.Index > 0)
                 {
-                    Top = dir.NewValue == ScrollingDirection.Up ? HIT_TARGET_POSITION : 0,
+                    float spacing = currentSkin.GetConfig<ManiaSkinConfigurationLookup, float>(
-                    Bottom = dir.NewValue == ScrollingDirection.Down ? HIT_TARGET_POSITION : 0,
+                                                   new ManiaSkinConfigurationLookup(LegacyManiaSkinConfigurationLookups.ColumnSpacing, col.Index - 1))
-                };
+                                               ?.Value ?? COLUMN_SPACING;
-            }, true);
+
+                    col.Margin = new MarginPadding { Left = spacing };
+                }
+
+                float? width = currentSkin.GetConfig<ManiaSkinConfigurationLookup, float>(
+                                              new ManiaSkinConfigurationLookup(LegacyManiaSkinConfigurationLookups.ColumnWidth, col.Index))
+                                          ?.Value;
+
+                if (width == null)
+                    // only used by default skin (legacy skins get defaults set in LegacyManiaSkinConfiguration)
+                    col.Width = col.IsSpecial ? Column.SPECIAL_COLUMN_WIDTH : Column.COLUMN_WIDTH;
+                else
+                    col.Width = width.Value;
+            }
         }
 
         public void AddColumn(Column c)
@@ -195,38 +215,6 @@ namespace osu.Game.Rulesets.Mania.UI
             });
         }
 
-        [BackgroundDependencyLoader]
-        private void load()
-        {
-            normalColumnColours = new List<Color4>
-            {
-                new Color4(94, 0, 57, 255),
-                new Color4(6, 84, 0, 255)
-            };
-
-            specialColumnColour = new Color4(0, 48, 63, 255);
-
-            // Set the special column + colour + key
-            foreach (var column in Columns)
-            {
-                if (!column.IsSpecial)
-                    continue;
-
-                column.AccentColour = specialColumnColour;
-            }
-
-            var nonSpecialColumns = Columns.Where(c => !c.IsSpecial).ToList();
-
-            // We'll set the colours of the non-special columns in a separate loop, because the non-special
-            // column colours are mirrored across their centre and special styles mess with this
-            for (int i = 0; i < Math.Ceiling(nonSpecialColumns.Count / 2f); i++)
-            {
-                Color4 colour = normalColumnColours[i % normalColumnColours.Count];
-                nonSpecialColumns[i].AccentColour = colour;
-                nonSpecialColumns[nonSpecialColumns.Count - 1 - i].AccentColour = colour;
-            }
-        }
-
         protected override void Update()
         {
             // Due to masking differences, it is not possible to get the width of the columns container automatically

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

@@ -0,0 +1,21 @@
+// 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 osu.Game.Rulesets.Osu.Skinning;
+using osu.Game.Tests.Visual;
+
+namespace osu.Game.Rulesets.Osu.Tests
+{
+    public abstract class OsuSkinnableTestScene : SkinnableTestScene
+    {
+        public override IReadOnlyList<Type> RequiredTypes => new[]
+        {
+            typeof(OsuRuleset),
+            typeof(OsuLegacySkinTransformer),
+        };
+
+        protected override Ruleset CreateRulesetForSkinProvider() => new OsuRuleset();
+    }
+}

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

@@ -10,17 +10,16 @@ using osu.Game.Rulesets.Judgements;
 using osu.Game.Rulesets.Objects;
 using osu.Game.Rulesets.Osu.Objects.Drawables;
 using osu.Game.Rulesets.Scoring;
-using osu.Game.Tests.Visual;
 
 namespace osu.Game.Rulesets.Osu.Tests
 {
-    public class TestSceneDrawableJudgement : SkinnableTestScene
+    public class TestSceneDrawableJudgement : OsuSkinnableTestScene
     {
-        public override IReadOnlyList<Type> RequiredTypes => new[]
+        public override IReadOnlyList<Type> RequiredTypes => base.RequiredTypes.Concat(new[]
         {
             typeof(DrawableJudgement),
             typeof(DrawableOsuJudgement)
-        };
+        }).ToList();
 
         public TestSceneDrawableJudgement()
         {

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

@@ -3,26 +3,32 @@
 
 using System;
 using System.Collections.Generic;
+using System.Linq;
 using NUnit.Framework;
 using osu.Framework.Allocation;
 using osu.Framework.Graphics;
 using osu.Framework.Testing.Input;
 using osu.Game.Configuration;
+using osu.Game.Rulesets.Osu.Skinning;
 using osu.Game.Rulesets.Osu.UI.Cursor;
+using osu.Game.Rulesets.UI;
 using osu.Game.Screens.Play;
-using osu.Game.Tests.Visual;
 using osuTK;
 
 namespace osu.Game.Rulesets.Osu.Tests
 {
     [TestFixture]
-    public class TestSceneGameplayCursor : SkinnableTestScene
+    public class TestSceneGameplayCursor : OsuSkinnableTestScene
     {
-        public override IReadOnlyList<Type> RequiredTypes => new[]
+        public override IReadOnlyList<Type> RequiredTypes => base.RequiredTypes.Concat(new[]
         {
+            typeof(GameplayCursorContainer),
             typeof(OsuCursorContainer),
+            typeof(OsuCursor),
+            typeof(LegacyCursor),
+            typeof(LegacyCursorTrail),
             typeof(CursorTrail)
-        };
+        }).ToList();
 
         [Cached]
         private GameplayBeatmap gameplayBeatmap;

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

@@ -14,12 +14,11 @@ using osu.Game.Rulesets.Mods;
 using System.Linq;
 using NUnit.Framework;
 using osu.Game.Rulesets.Scoring;
-using osu.Game.Tests.Visual;
 
 namespace osu.Game.Rulesets.Osu.Tests
 {
     [TestFixture]
-    public class TestSceneHitCircle : SkinnableTestScene
+    public class TestSceneHitCircle : OsuSkinnableTestScene
     {
         public override IReadOnlyList<Type> RequiredTypes => new[]
         {

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

@@ -22,12 +22,11 @@ using osu.Game.Rulesets.Objects;
 using osu.Game.Rulesets.Objects.Drawables;
 using osu.Game.Rulesets.Objects.Types;
 using osu.Game.Rulesets.Osu.Objects.Drawables.Pieces;
-using osu.Game.Tests.Visual;
 
 namespace osu.Game.Rulesets.Osu.Tests
 {
     [TestFixture]
-    public class TestSceneSlider : SkinnableTestScene
+    public class TestSceneSlider : OsuSkinnableTestScene
     {
         public override IReadOnlyList<Type> RequiredTypes => new[]
         {

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

@@ -0,0 +1,253 @@
+// 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 Humanizer;
+using NUnit.Framework;
+using osu.Framework.Allocation;
+using osu.Framework.Audio;
+using osu.Framework.Bindables;
+using osu.Framework.Graphics.Containers;
+using osu.Framework.Testing;
+using osu.Framework.Timing;
+using osu.Framework.Utils;
+using osu.Game.Beatmaps;
+using osu.Game.Rulesets.Objects;
+using osu.Game.Rulesets.Objects.Types;
+using osu.Game.Rulesets.Osu.Configuration;
+using osu.Game.Rulesets.Osu.Objects;
+using osu.Game.Rulesets.Osu.Objects.Drawables;
+using osu.Game.Rulesets.Osu.Objects.Drawables.Pieces;
+using osu.Game.Storyboards;
+using osuTK;
+using static osu.Game.Tests.Visual.OsuTestScene.ClockBackedTestWorkingBeatmap;
+
+namespace osu.Game.Rulesets.Osu.Tests
+{
+    [TestFixture]
+    public class TestSceneSliderSnaking : TestSceneOsuPlayer
+    {
+        [Resolved]
+        private AudioManager audioManager { get; set; }
+
+        private TrackVirtualManual track;
+
+        protected override bool Autoplay => autoplay;
+        private bool autoplay;
+
+        private readonly BindableBool snakingIn = new BindableBool();
+        private readonly BindableBool snakingOut = new BindableBool();
+
+        private const double duration_of_span = 3605;
+        private const double fade_in_modifier = -1200;
+
+        protected override WorkingBeatmap CreateWorkingBeatmap(IBeatmap beatmap, Storyboard storyboard = null)
+        {
+            var working = new ClockBackedTestWorkingBeatmap(beatmap, storyboard, new FramedClock(new ManualClock { Rate = 1 }), audioManager);
+            track = (TrackVirtualManual)working.Track;
+            return working;
+        }
+
+        [BackgroundDependencyLoader]
+        private void load(RulesetConfigCache configCache)
+        {
+            var config = (OsuRulesetConfigManager)configCache.GetConfigFor(Ruleset.Value.CreateInstance());
+            config.BindWith(OsuRulesetSetting.SnakingInSliders, snakingIn);
+            config.BindWith(OsuRulesetSetting.SnakingOutSliders, snakingOut);
+        }
+
+        private DrawableSlider slider;
+
+        [SetUpSteps]
+        public override void SetUpSteps() { }
+
+        [TestCase(0)]
+        [TestCase(1)]
+        [TestCase(2)]
+        public void TestSnakingEnabled(int sliderIndex)
+        {
+            AddStep("enable autoplay", () => autoplay = true);
+            base.SetUpSteps();
+            AddUntilStep("wait for track to start running", () => track.IsRunning);
+
+            double startTime = hitObjects[sliderIndex].StartTime;
+            retrieveDrawableSlider(sliderIndex);
+            setSnaking(true);
+
+            ensureSnakingIn(startTime + fade_in_modifier);
+
+            for (int i = 0; i < sliderIndex; i++)
+            {
+                // non-final repeats should not snake out
+                ensureNoSnakingOut(startTime, i);
+            }
+
+            // final repeat should snake out
+            ensureSnakingOut(startTime, sliderIndex);
+        }
+
+        [TestCase(0)]
+        [TestCase(1)]
+        [TestCase(2)]
+        public void TestSnakingDisabled(int sliderIndex)
+        {
+            AddStep("have autoplay", () => autoplay = true);
+            base.SetUpSteps();
+            AddUntilStep("wait for track to start running", () => track.IsRunning);
+
+            double startTime = hitObjects[sliderIndex].StartTime;
+            retrieveDrawableSlider(sliderIndex);
+            setSnaking(false);
+
+            ensureNoSnakingIn(startTime + fade_in_modifier);
+
+            for (int i = 0; i <= sliderIndex; i++)
+            {
+                // no snaking out ever, including final repeat
+                ensureNoSnakingOut(startTime, i);
+            }
+        }
+
+        [Test]
+        public void TestRepeatArrowDoesNotMoveWhenHit()
+        {
+            AddStep("enable autoplay", () => autoplay = true);
+            setSnaking(true);
+            base.SetUpSteps();
+
+            // repeat might have a chance to update its position depending on where in the frame its hit,
+            // so some leniency is allowed here instead of checking strict equality
+            checkPositionChange(16600, sliderRepeat, positionAlmostSame);
+        }
+
+        [Test]
+        public void TestRepeatArrowMovesWhenNotHit()
+        {
+            AddStep("disable autoplay", () => autoplay = false);
+            setSnaking(true);
+            base.SetUpSteps();
+
+            checkPositionChange(16600, sliderRepeat, positionDecreased);
+        }
+
+        private void retrieveDrawableSlider(int index) => AddStep($"retrieve {(index + 1).ToOrdinalWords()} slider", () =>
+        {
+            slider = (DrawableSlider)Player.DrawableRuleset.Playfield.AllHitObjects.ElementAt(index);
+        });
+
+        private void ensureSnakingIn(double startTime) => checkPositionChange(startTime, sliderEnd, positionIncreased);
+        private void ensureNoSnakingIn(double startTime) => checkPositionChange(startTime, sliderEnd, positionRemainsSame);
+
+        private void ensureSnakingOut(double startTime, int repeatIndex)
+        {
+            var repeatTime = timeAtRepeat(startTime, repeatIndex);
+
+            if (repeatIndex % 2 == 0)
+                checkPositionChange(repeatTime, sliderStart, positionIncreased);
+            else
+                checkPositionChange(repeatTime, sliderEnd, positionDecreased);
+        }
+
+        private void ensureNoSnakingOut(double startTime, int repeatIndex) =>
+            checkPositionChange(timeAtRepeat(startTime, repeatIndex), positionAtRepeat(repeatIndex), positionRemainsSame);
+
+        private double timeAtRepeat(double startTime, int repeatIndex) => startTime + 100 + duration_of_span * repeatIndex;
+        private Func<Vector2> positionAtRepeat(int repeatIndex) => repeatIndex % 2 == 0 ? (Func<Vector2>)sliderStart : sliderEnd;
+
+        private List<Vector2> sliderCurve => ((PlaySliderBody)slider.Body.Drawable).CurrentCurve;
+        private Vector2 sliderStart() => sliderCurve.First();
+        private Vector2 sliderEnd() => sliderCurve.Last();
+
+        private Vector2 sliderRepeat()
+        {
+            var drawable = Player.DrawableRuleset.Playfield.AllHitObjects.ElementAt(1);
+            var repeat = drawable.ChildrenOfType<Container<DrawableSliderRepeat>>().First().Children.First();
+            return repeat.Position;
+        }
+
+        private bool positionRemainsSame(Vector2 previous, Vector2 current) => previous == current;
+        private bool positionIncreased(Vector2 previous, Vector2 current) => current.X > previous.X && current.Y > previous.Y;
+        private bool positionDecreased(Vector2 previous, Vector2 current) => current.X < previous.X && current.Y < previous.Y;
+        private bool positionAlmostSame(Vector2 previous, Vector2 current) => Precision.AlmostEquals(previous, current, 1);
+
+        private void checkPositionChange(double startTime, Func<Vector2> positionToCheck, Func<Vector2, Vector2, bool> positionAssertion)
+        {
+            Vector2 previousPosition = Vector2.Zero;
+
+            string positionDescription = positionToCheck.Method.Name.Humanize(LetterCasing.LowerCase);
+            string assertionDescription = positionAssertion.Method.Name.Humanize(LetterCasing.LowerCase);
+
+            addSeekStep(startTime);
+            AddStep($"save {positionDescription} position", () => previousPosition = positionToCheck.Invoke());
+            addSeekStep(startTime + 100);
+            AddAssert($"{positionDescription} {assertionDescription}", () =>
+            {
+                var currentPosition = positionToCheck.Invoke();
+                return positionAssertion.Invoke(previousPosition, currentPosition);
+            });
+        }
+
+        private void setSnaking(bool value)
+        {
+            AddStep($"{(value ? "enable" : "disable")} snaking", () =>
+            {
+                snakingIn.Value = value;
+                snakingOut.Value = value;
+            });
+        }
+
+        private void addSeekStep(double time)
+        {
+            AddStep($"seek to {time}", () => track.Seek(time));
+
+            AddUntilStep("wait for seek to finish", () => Precision.AlmostEquals(time, Player.DrawableRuleset.FrameStableClock.CurrentTime, 100));
+        }
+
+        protected override IBeatmap CreateBeatmap(RulesetInfo ruleset) => new Beatmap
+        {
+            HitObjects = hitObjects
+        };
+
+        private readonly List<HitObject> hitObjects = new List<HitObject>
+        {
+            new Slider
+            {
+                StartTime = 3000,
+                Position = new Vector2(100, 100),
+                Path = new SliderPath(PathType.PerfectCurve, new[]
+                {
+                    Vector2.Zero,
+                    new Vector2(300, 200)
+                }),
+            },
+            new Slider
+            {
+                StartTime = 13000,
+                Position = new Vector2(100, 100),
+                Path = new SliderPath(PathType.PerfectCurve, new[]
+                {
+                    Vector2.Zero,
+                    new Vector2(300, 200)
+                }),
+                RepeatCount = 1,
+            },
+            new Slider
+            {
+                StartTime = 23000,
+                Position = new Vector2(100, 100),
+                Path = new SliderPath(PathType.PerfectCurve, new[]
+                {
+                    Vector2.Zero,
+                    new Vector2(300, 200)
+                }),
+                RepeatCount = 2,
+            },
+            new HitCircle
+            {
+                StartTime = 199999,
+            }
+        };
+    }
+}

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/Connections/FollowPoint.cs

@@ -15,7 +15,7 @@ namespace osu.Game.Rulesets.Osu.Objects.Drawables.Connections
     /// <summary>
     /// A single follow point positioned between two adjacent <see cref="DrawableOsuHitObject"/>s.
     /// </summary>
-    public class FollowPoint : Container
+    public class FollowPoint : Container, IAnimationTimeReference
     {
         private const float width = 8;
 
@@ -43,7 +43,9 @@ namespace osu.Game.Rulesets.Osu.Objects.Drawables.Connections
                     Anchor = Anchor.Centre,
                     Alpha = 0.5f,
                 }
-            }, confineMode: ConfineMode.NoScaling);
+            });
         }
+
+        public double AnimationStartTime { get; set; }
     }
 }

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

@@ -116,6 +116,8 @@ namespace osu.Game.Rulesets.Osu.Objects.Drawables.Connections
 
             int point = 0;
 
+            ClearInternal();
+
             for (int d = (int)(spacing * 1.5); d < distance - spacing; d += spacing)
             {
                 float fraction = (float)d / distance;
@@ -126,13 +128,7 @@ namespace osu.Game.Rulesets.Osu.Objects.Drawables.Connections
 
                 FollowPoint fp;
 
-                if (InternalChildren.Count > point)
+                AddInternal(fp = new FollowPoint());
-                {
-                    fp = (FollowPoint)InternalChildren[point];
-                    fp.ClearTransforms();
-                }
-                else
-                    AddInternal(fp = new FollowPoint());
 
                 fp.Position = pointStartPosition;
                 fp.Rotation = rotation;
@@ -142,6 +138,8 @@ namespace osu.Game.Rulesets.Osu.Objects.Drawables.Connections
                 if (firstTransformStartTime == null)
                     firstTransformStartTime = fadeInTime;
 
+                fp.AnimationStartTime = fadeInTime;
+
                 using (fp.BeginAbsoluteSequence(fadeInTime))
                 {
                     fp.FadeIn(osuEnd.TimeFadeIn);

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;
 
@@ -185,7 +186,7 @@ namespace osu.Game.Rulesets.Osu.Objects.Drawables
             base.ApplySkin(skin, allowFallback);
 
             bool allowBallTint = skin.GetConfig<OsuSkinConfiguration, bool>(OsuSkinConfiguration.AllowSliderBallTint)?.Value ?? false;
-            Ball.Colour = allowBallTint ? AccentColour.Value : Color4.White;
+            Ball.AccentColour = allowBallTint ? AccentColour.Value : Color4.White;
         }
 
         protected override void CheckForResult(bool userTriggered, double timeOffset)
@@ -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

@@ -31,7 +31,6 @@ namespace osu.Game.Rulesets.Osu.Objects.Drawables
 
             Size = new Vector2(OsuHitObject.OBJECT_RADIUS * 2);
 
-            Blending = BlendingParameters.Additive;
             Origin = Anchor.Centre;
 
             InternalChild = scaleContainer = new ReverseArrowPiece();
@@ -87,6 +86,9 @@ 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/ReverseArrowPiece.cs

@@ -8,11 +8,16 @@ using osu.Framework.Graphics.Sprites;
 using osu.Game.Beatmaps.ControlPoints;
 using osu.Game.Graphics.Containers;
 using osu.Game.Skinning;
+using osu.Framework.Allocation;
+using osu.Game.Rulesets.Objects.Drawables;
 
 namespace osu.Game.Rulesets.Osu.Objects.Drawables.Pieces
 {
     public class ReverseArrowPiece : BeatSyncedContainer
     {
+        [Resolved]
+        private DrawableHitObject drawableRepeat { get; set; }
+
         public ReverseArrowPiece()
         {
             Divisor = 2;
@@ -21,13 +26,12 @@ namespace osu.Game.Rulesets.Osu.Objects.Drawables.Pieces
             Anchor = Anchor.Centre;
             Origin = Anchor.Centre;
 
-            Blending = BlendingParameters.Additive;
-
             Size = new Vector2(OsuHitObject.OBJECT_RADIUS * 2);
 
             Child = new SkinnableDrawable(new OsuSkinComponent(OsuSkinComponents.ReverseArrow), _ => new SpriteIcon
             {
                 RelativeSizeAxes = Axes.Both,
+                Blending = BlendingParameters.Additive,
                 Icon = FontAwesome.Solid.ChevronRight,
                 Size = new Vector2(0.35f)
             })
@@ -37,7 +41,10 @@ namespace osu.Game.Rulesets.Osu.Objects.Drawables.Pieces
             };
         }
 
-        protected override void OnNewBeat(int beatIndex, TimingControlPoint timingPoint, EffectControlPoint effectPoint, TrackAmplitudes amplitudes) =>
+        protected override void OnNewBeat(int beatIndex, TimingControlPoint timingPoint, EffectControlPoint effectPoint, TrackAmplitudes amplitudes)
-            Child.ScaleTo(1.3f).ScaleTo(1f, timingPoint.BeatLength, Easing.Out);
+        {
+            if (!drawableRepeat.IsHit)
+                Child.ScaleTo(1.3f).ScaleTo(1f, timingPoint.BeatLength, Easing.Out);
+        }
     }
 }

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

@@ -40,7 +40,6 @@ namespace osu.Game.Rulesets.Osu.Objects.Drawables.Pieces
             this.drawableSlider = drawableSlider;
             this.slider = slider;
 
-            Blending = BlendingParameters.Additive;
             Origin = Anchor.Centre;
 
             Size = new Vector2(OsuHitObject.OBJECT_RADIUS * 2);
@@ -241,6 +240,7 @@ namespace osu.Game.Rulesets.Osu.Objects.Drawables.Pieces
                     Scale = new Vector2(radius / OsuHitObject.OBJECT_RADIUS),
                     Anchor = Anchor.Centre,
                     Origin = Anchor.Centre,
+                    Blending = BlendingParameters.Additive,
                     BorderThickness = 10,
                     BorderColour = Color4.White,
                     Alpha = 1,