Merge branch 'master' into single-bind-reset-button

.config/dotnet-tools.json

@@ -31,6 +31,12 @@
       "commands": [
         "CodeFileSanity"
       ]
+    },
+    "ppy.localisationanalyser.tools": {
+      "version": "2021.524.0",
+      "commands": [
+        "localisation"
+      ]
     }
   }
 }

osu.Android.props

@@ -52,6 +52,6 @@
   </ItemGroup>
   <ItemGroup>
     <PackageReference Include="ppy.osu.Game.Resources" Version="2021.422.0" />
-    <PackageReference Include="ppy.osu.Framework.Android" Version="2021.513.0" />
+    <PackageReference Include="ppy.osu.Framework.Android" Version="2021.524.0" />
   </ItemGroup>
 </Project>

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

@@ -28,10 +28,12 @@ namespace osu.Game.Rulesets.Catch.Mods
             catchPlayfield.CatcherArea.MovableCatcher.CatchFruitOnPlate = false;
         }
 
+        protected override void ApplyIncreasedVisibilityState(DrawableHitObject hitObject, ArmedState state)
+        {
+        }
+
         protected override void ApplyNormalVisibilityState(DrawableHitObject hitObject, ArmedState state)
         {
-            base.ApplyNormalVisibilityState(hitObject, state);
-
             if (!(hitObject is DrawableCatchHitObject catchDrawable))
                 return;
 
@@ -54,7 +56,7 @@ namespace osu.Game.Rulesets.Catch.Mods
             var offset = hitObject.TimePreempt * fade_out_offset_multiplier;
             var duration = offset - hitObject.TimePreempt * fade_out_duration_multiplier;
 
-            using (drawable.BeginAbsoluteSequence(hitObject.StartTime - offset, true))
+            using (drawable.BeginAbsoluteSequence(hitObject.StartTime - offset))
                 drawable.FadeOut(duration);
         }
     }

osu.Game.Rulesets.Mania.Tests/Editor/TestSceneHoldNoteSelectionBlueprint.cs

@@ -39,7 +39,7 @@ namespace osu.Game.Rulesets.Mania.Tests.Editor
                 }
             };
 
-            AddBlueprint(new HoldNoteSelectionBlueprint(drawableObject));
+            AddBlueprint(new HoldNoteSelectionBlueprint(holdNote), drawableObject);
         }
 
         protected override void Update()

osu.Game.Rulesets.Mania.Tests/Editor/TestSceneManiaHitObjectComposer.cs

@@ -184,8 +184,8 @@ namespace osu.Game.Rulesets.Mania.Tests.Editor
             AddAssert("head note positioned correctly", () => Precision.AlmostEquals(holdNote.ScreenSpaceDrawQuad.BottomLeft, holdNote.Head.ScreenSpaceDrawQuad.BottomLeft));
             AddAssert("tail note positioned correctly", () => Precision.AlmostEquals(holdNote.ScreenSpaceDrawQuad.TopLeft, holdNote.Tail.ScreenSpaceDrawQuad.BottomLeft));
 
-            AddAssert("head blueprint positioned correctly", () => this.ChildrenOfType<HoldNoteNoteSelectionBlueprint>().ElementAt(0).DrawPosition == holdNote.Head.DrawPosition);
-            AddAssert("tail blueprint positioned correctly", () => this.ChildrenOfType<HoldNoteNoteSelectionBlueprint>().ElementAt(1).DrawPosition == holdNote.Tail.DrawPosition);
+            AddAssert("head blueprint positioned correctly", () => this.ChildrenOfType<HoldNoteNoteOverlay>().ElementAt(0).DrawPosition == holdNote.Head.DrawPosition);
+            AddAssert("tail blueprint positioned correctly", () => this.ChildrenOfType<HoldNoteNoteOverlay>().ElementAt(1).DrawPosition == holdNote.Tail.DrawPosition);
         }
 
         private void setScrollStep(ScrollingDirection direction)

osu.Game.Rulesets.Mania.Tests/Editor/TestSceneNotePlacementBlueprint.cs

@@ -15,7 +15,6 @@ using osu.Game.Rulesets.Objects.Drawables;
 using osu.Game.Rulesets.UI;
 using osu.Game.Rulesets.UI.Scrolling;
 using osu.Game.Tests.Visual;
-using osuTK;
 using osuTK.Input;
 
 namespace osu.Game.Rulesets.Mania.Tests.Editor
@@ -35,7 +34,11 @@ namespace osu.Game.Rulesets.Mania.Tests.Editor
         [Test]
         public void TestPlaceBeforeCurrentTimeDownwards()
         {
-            AddStep("move mouse before current time", () => InputManager.MoveMouseTo(this.ChildrenOfType<Column>().Single().ScreenSpaceDrawQuad.BottomLeft - new Vector2(0, 10)));
+            AddStep("move mouse before current time", () =>
+            {
+                var column = this.ChildrenOfType<Column>().Single();
+                InputManager.MoveMouseTo(column.ScreenSpacePositionAtTime(-100));
+            });
 
             AddStep("click", () => InputManager.Click(MouseButton.Left));
 
@@ -45,7 +48,11 @@ namespace osu.Game.Rulesets.Mania.Tests.Editor
         [Test]
         public void TestPlaceAfterCurrentTimeDownwards()
         {
-            AddStep("move mouse after current time", () => InputManager.MoveMouseTo(this.ChildrenOfType<Column>().Single()));
+            AddStep("move mouse after current time", () =>
+            {
+                var column = this.ChildrenOfType<Column>().Single();
+                InputManager.MoveMouseTo(column.ScreenSpacePositionAtTime(100));
+            });
 
             AddStep("click", () => InputManager.Click(MouseButton.Left));
 

osu.Game.Rulesets.Mania.Tests/Editor/TestSceneNoteSelectionBlueprint.cs

@@ -34,7 +34,7 @@ namespace osu.Game.Rulesets.Mania.Tests.Editor
                 Child = drawableObject = new DrawableNote(note)
             };
 
-            AddBlueprint(new NoteSelectionBlueprint(drawableObject));
+            AddBlueprint(new NoteSelectionBlueprint(note), drawableObject);
         }
     }
 }

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

@@ -28,7 +28,7 @@ namespace osu.Game.Rulesets.Mania.Tests.Skinning
                     {
                         RelativeSizeAxes = Axes.Both,
                         Width = 0.5f,
-                        Child = new SkinnableDrawable(new ManiaSkinComponent(ManiaSkinComponents.ColumnBackground, 0), _ => new DefaultColumnBackground())
+                        Child = new SkinnableDrawable(new ManiaSkinComponent(ManiaSkinComponents.ColumnBackground), _ => new DefaultColumnBackground())
                         {
                             RelativeSizeAxes = Axes.Both
                         }
@@ -37,7 +37,7 @@ namespace osu.Game.Rulesets.Mania.Tests.Skinning
                     {
                         RelativeSizeAxes = Axes.Both,
                         Width = 0.5f,
-                        Child = new SkinnableDrawable(new ManiaSkinComponent(ManiaSkinComponents.ColumnBackground, 1), _ => new DefaultColumnBackground())
+                        Child = new SkinnableDrawable(new ManiaSkinComponent(ManiaSkinComponents.ColumnBackground), _ => new DefaultColumnBackground())
                         {
                             RelativeSizeAxes = Axes.Both
                         }

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

@@ -28,7 +28,7 @@ namespace osu.Game.Rulesets.Mania.Tests.Skinning
                     {
                         RelativeSizeAxes = Axes.Both,
                         Width = 0.5f,
-                        Child = new SkinnableDrawable(new ManiaSkinComponent(ManiaSkinComponents.KeyArea, 0), _ => new DefaultKeyArea())
+                        Child = new SkinnableDrawable(new ManiaSkinComponent(ManiaSkinComponents.KeyArea), _ => new DefaultKeyArea())
                         {
                             RelativeSizeAxes = Axes.Both
                         },
@@ -37,7 +37,7 @@ namespace osu.Game.Rulesets.Mania.Tests.Skinning
                     {
                         RelativeSizeAxes = Axes.Both,
                         Width = 0.5f,
-                        Child = new SkinnableDrawable(new ManiaSkinComponent(ManiaSkinComponents.KeyArea, 1), _ => new DefaultKeyArea())
+                        Child = new SkinnableDrawable(new ManiaSkinComponent(ManiaSkinComponents.KeyArea), _ => new DefaultKeyArea())
                         {
                             RelativeSizeAxes = Axes.Both
                         },

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

@@ -0,0 +1,67 @@
+// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
+// See the LICENCE file in the repository root for full licence text.
+
+using NUnit.Framework;
+using osu.Framework.Graphics;
+using osu.Framework.Timing;
+using osu.Game.Beatmaps;
+using osu.Game.Beatmaps.ControlPoints;
+using osu.Game.Rulesets.Mania.Objects;
+using osu.Game.Rulesets.Mania.Objects.Drawables;
+using osu.Game.Rulesets.Mania.UI;
+using osu.Game.Rulesets.UI.Scrolling;
+using osu.Game.Tests.Visual;
+using osuTK.Graphics;
+
+namespace osu.Game.Rulesets.Mania.Tests
+{
+    public class TestSceneDrawableManiaHitObject : OsuTestScene
+    {
+        private readonly ManualClock clock = new ManualClock();
+
+        private Column column;
+
+        [SetUp]
+        public void SetUp() => Schedule(() =>
+        {
+            Child = new ScrollingTestContainer(ScrollingDirection.Down)
+            {
+                Anchor = Anchor.Centre,
+                Origin = Anchor.Centre,
+                AutoSizeAxes = Axes.X,
+                RelativeSizeAxes = Axes.Y,
+                TimeRange = 2000,
+                Clock = new FramedClock(clock),
+                Child = column = new Column(0)
+                {
+                    Action = { Value = ManiaAction.Key1 },
+                    Height = 0.85f,
+                    AccentColour = Color4.Gray
+                },
+            };
+        });
+
+        [Test]
+        public void TestHoldNoteHeadVisibility()
+        {
+            DrawableHoldNote note = null;
+            AddStep("Add hold note", () =>
+            {
+                var h = new HoldNote
+                {
+                    StartTime = 0,
+                    Duration = 1000
+                };
+                h.ApplyDefaults(new ControlPointInfo(), new BeatmapDifficulty());
+                column.Add(note = new DrawableHoldNote(h));
+            });
+            AddStep("Hold key", () =>
+            {
+                clock.CurrentTime = 0;
+                note.OnPressed(ManiaAction.Key1);
+            });
+            AddStep("progress time", () => clock.CurrentTime = 500);
+            AddAssert("head is visible", () => note.Head.Alpha == 1);
+        }
+    }
+}

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

@@ -5,13 +5,11 @@ using System.Collections.Generic;
 using System.Linq;
 using NUnit.Framework;
 using osu.Framework.Screens;
-using osu.Framework.Testing;
 using osu.Game.Beatmaps;
 using osu.Game.Beatmaps.ControlPoints;
 using osu.Game.Replays;
 using osu.Game.Rulesets.Judgements;
 using osu.Game.Rulesets.Mania.Objects;
-using osu.Game.Rulesets.Mania.Objects.Drawables;
 using osu.Game.Rulesets.Mania.Replays;
 using osu.Game.Rulesets.Mania.Scoring;
 using osu.Game.Rulesets.Objects;
@@ -414,14 +412,7 @@ namespace osu.Game.Rulesets.Mania.Tests
             AddUntilStep("Beatmap at 0", () => Beatmap.Value.Track.CurrentTime == 0);
             AddUntilStep("Wait until player is loaded", () => currentPlayer.IsCurrentScreen());
 
-            AddUntilStep("wait for head", () => currentPlayer.GameplayClockContainer.GameplayClock.CurrentTime >= time_head);
-            AddAssert("head is visible",
-                () => currentPlayer.ChildrenOfType<DrawableHoldNote>()
-                                   .Single(note => note.HitObject == beatmap.HitObjects[0])
-                                   .Head
-                                   .Alpha == 1);
-
-            AddUntilStep("Wait for completion", () => currentPlayer.ScoreProcessor.HasCompleted.Value);
+            AddUntilStep("Wait for completion", () => currentPlayer.ScoreProcessor?.HasCompleted.Value == true);
         }
 
         private class ScoreAccessibleReplayPlayer : ReplayPlayer

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

@@ -2,34 +2,35 @@
 // See the LICENCE file in the repository root for full licence text.
 
 using osu.Framework.Graphics;
+using osu.Framework.Graphics.Containers;
 using osu.Game.Rulesets.Mania.Edit.Blueprints.Components;
 using osu.Game.Rulesets.Mania.Objects.Drawables;
 
 namespace osu.Game.Rulesets.Mania.Edit.Blueprints
 {
-    public class HoldNoteNoteSelectionBlueprint : ManiaSelectionBlueprint
+    public class HoldNoteNoteOverlay : CompositeDrawable
     {
-        protected new DrawableHoldNote DrawableObject => (DrawableHoldNote)base.DrawableObject;
-
+        private readonly HoldNoteSelectionBlueprint holdNoteBlueprint;
         private readonly HoldNotePosition position;
 
-        public HoldNoteNoteSelectionBlueprint(DrawableHoldNote holdNote, HoldNotePosition position)
-            : base(holdNote)
+        public HoldNoteNoteOverlay(HoldNoteSelectionBlueprint holdNoteBlueprint, HoldNotePosition position)
         {
+            this.holdNoteBlueprint = holdNoteBlueprint;
             this.position = position;
-            InternalChild = new EditNotePiece { RelativeSizeAxes = Axes.X };
 
-            Select();
+            InternalChild = new EditNotePiece { RelativeSizeAxes = Axes.X };
         }
 
         protected override void Update()
         {
             base.Update();
 
+            var drawableObject = holdNoteBlueprint.DrawableObject;
+
             // Todo: This shouldn't exist, mania should not reference the drawable hitobject directly.
-            if (DrawableObject.IsLoaded)
+            if (drawableObject.IsLoaded)
             {
-                DrawableNote note = position == HoldNotePosition.Start ? (DrawableNote)DrawableObject.Head : DrawableObject.Tail;
+                DrawableNote note = position == HoldNotePosition.Start ? (DrawableNote)drawableObject.Head : drawableObject.Tail;
 
                 Anchor = note.Anchor;
                 Origin = note.Origin;
@@ -38,8 +39,5 @@ namespace osu.Game.Rulesets.Mania.Edit.Blueprints
                 Position = note.DrawPosition;
             }
         }
-
-        // Todo: This is temporary, since the note masks don't do anything special yet. In the future they will handle input.
-        public override bool HandlePositionalInput => false;
     }
 }

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

@@ -8,13 +8,14 @@ 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;
 using osu.Game.Rulesets.Mania.Objects.Drawables;
 using osu.Game.Rulesets.UI.Scrolling;
 using osuTK;
 
 namespace osu.Game.Rulesets.Mania.Edit.Blueprints
 {
-    public class HoldNoteSelectionBlueprint : ManiaSelectionBlueprint
+    public class HoldNoteSelectionBlueprint : ManiaSelectionBlueprint<HoldNote>
     {
         public new DrawableHoldNote DrawableObject => (DrawableHoldNote)base.DrawableObject;
 
@@ -23,7 +24,7 @@ namespace osu.Game.Rulesets.Mania.Edit.Blueprints
         [Resolved]
         private OsuColour colours { get; set; }
 
-        public HoldNoteSelectionBlueprint(DrawableHoldNote hold)
+        public HoldNoteSelectionBlueprint(HoldNote hold)
             : base(hold)
         {
         }
@@ -32,16 +33,11 @@ namespace osu.Game.Rulesets.Mania.Edit.Blueprints
         private void load(IScrollingInfo scrollingInfo)
         {
             direction.BindTo(scrollingInfo.Direction);
-        }
-
-        protected override void LoadComplete()
-        {
-            base.LoadComplete();
 
             InternalChildren = new Drawable[]
             {
-                new HoldNoteNoteSelectionBlueprint(DrawableObject, HoldNotePosition.Start),
-                new HoldNoteNoteSelectionBlueprint(DrawableObject, HoldNotePosition.End),
+                new HoldNoteNoteOverlay(this, HoldNotePosition.Start),
+                new HoldNoteNoteOverlay(this, HoldNotePosition.End),
                 new Container
                 {
                     RelativeSizeAxes = Axes.Both,

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

@@ -4,22 +4,23 @@
 using osu.Framework.Allocation;
 using osu.Framework.Graphics;
 using osu.Game.Rulesets.Edit;
+using osu.Game.Rulesets.Mania.Objects;
 using osu.Game.Rulesets.Mania.Objects.Drawables;
-using osu.Game.Rulesets.Objects.Drawables;
 using osu.Game.Rulesets.UI.Scrolling;
 using osuTK;
 
 namespace osu.Game.Rulesets.Mania.Edit.Blueprints
 {
-    public abstract class ManiaSelectionBlueprint : OverlaySelectionBlueprint
+    public abstract class ManiaSelectionBlueprint<T> : HitObjectSelectionBlueprint<T>
+        where T : ManiaHitObject
     {
         public new DrawableManiaHitObject DrawableObject => (DrawableManiaHitObject)base.DrawableObject;
 
         [Resolved]
         private IScrollingInfo scrollingInfo { get; set; }
 
-        protected ManiaSelectionBlueprint(DrawableHitObject drawableObject)
-            : base(drawableObject)
+        protected ManiaSelectionBlueprint(T hitObject)
+            : base(hitObject)
         {
             RelativeSizeAxes = Axes.None;
         }

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

@@ -3,13 +3,13 @@
 
 using osu.Framework.Graphics;
 using osu.Game.Rulesets.Mania.Edit.Blueprints.Components;
-using osu.Game.Rulesets.Mania.Objects.Drawables;
+using osu.Game.Rulesets.Mania.Objects;
 
 namespace osu.Game.Rulesets.Mania.Edit.Blueprints
 {
-    public class NoteSelectionBlueprint : ManiaSelectionBlueprint
+    public class NoteSelectionBlueprint : ManiaSelectionBlueprint<Note>
     {
-        public NoteSelectionBlueprint(DrawableNote note)
+        public NoteSelectionBlueprint(Note note)
             : base(note)
         {
             AddInternal(new EditNotePiece { RelativeSizeAxes = Axes.X });

osu.Game.Rulesets.Mania/Edit/ManiaBeatSnapGrid.cs

@@ -101,7 +101,7 @@ namespace osu.Game.Rulesets.Mania.Edit
                 foreach (var line in grid.Objects.OfType<DrawableGridLine>())
                     availableLines.Push(line);
 
-                grid.Clear(false);
+                grid.Clear();
             }
 
             if (selectionTimeRange == null)

osu.Game.Rulesets.Mania/Edit/ManiaBlueprintContainer.cs

@@ -3,9 +3,8 @@
 
 using osu.Game.Rulesets.Edit;
 using osu.Game.Rulesets.Mania.Edit.Blueprints;
-using osu.Game.Rulesets.Mania.Objects.Drawables;
+using osu.Game.Rulesets.Mania.Objects;
 using osu.Game.Rulesets.Objects;
-using osu.Game.Rulesets.Objects.Drawables;
 using osu.Game.Screens.Edit.Compose.Components;
 
 namespace osu.Game.Rulesets.Mania.Edit
@@ -17,18 +16,18 @@ namespace osu.Game.Rulesets.Mania.Edit
         {
         }
 
-        public override OverlaySelectionBlueprint CreateBlueprintFor(DrawableHitObject hitObject)
+        public override HitObjectSelectionBlueprint CreateHitObjectBlueprintFor(HitObject hitObject)
         {
             switch (hitObject)
             {
-                case DrawableNote note:
+                case Note note:
                     return new NoteSelectionBlueprint(note);
 
-                case DrawableHoldNote holdNote:
+                case HoldNote holdNote:
                     return new HoldNoteSelectionBlueprint(holdNote);
             }
 
-            return base.CreateBlueprintFor(hitObject);
+            return base.CreateHitObjectBlueprintFor(hitObject);
         }
 
         protected override SelectionHandler<HitObject> CreateSelectionHandler() => new ManiaSelectionHandler();

osu.Game.Rulesets.Mania/Edit/ManiaSelectionHandler.cs

@@ -5,7 +5,6 @@ using System;
 using System.Linq;
 using osu.Framework.Allocation;
 using osu.Game.Rulesets.Edit;
-using osu.Game.Rulesets.Mania.Edit.Blueprints;
 using osu.Game.Rulesets.Mania.Objects;
 using osu.Game.Rulesets.Objects;
 using osu.Game.Rulesets.UI.Scrolling;
@@ -23,8 +22,8 @@ namespace osu.Game.Rulesets.Mania.Edit
 
         public override bool HandleMovement(MoveSelectionEvent<HitObject> moveEvent)
         {
-            var maniaBlueprint = (ManiaSelectionBlueprint)moveEvent.Blueprint;
-            int lastColumn = maniaBlueprint.DrawableObject.HitObject.Column;
+            var hitObjectBlueprint = (HitObjectSelectionBlueprint)moveEvent.Blueprint;
+            int lastColumn = ((ManiaHitObject)hitObjectBlueprint.Item).Column;
 
             performColumnMovement(lastColumn, moveEvent);
 
@@ -59,8 +58,9 @@ namespace osu.Game.Rulesets.Mania.Edit
 
             EditorBeatmap.PerformOnSelection(h =>
             {
-                if (h is ManiaHitObject maniaObj)
-                    maniaObj.Column += columnDelta;
+                maniaPlayfield.Remove(h);
+                ((ManiaHitObject)h).Column += columnDelta;
+                maniaPlayfield.Add(h);
             });
         }
     }

osu.Game.Rulesets.Mania/ManiaSkinComponent.cs

@@ -9,12 +9,6 @@ namespace osu.Game.Rulesets.Mania
 {
     public class ManiaSkinComponent : GameplaySkinComponent<ManiaSkinComponents>
     {
-        /// <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>
         /// The intended <see cref="StageDefinition"/> for this component.
         /// May be null if the component is not a direct member of a <see cref="Stage"/>.
@@ -25,12 +19,10 @@ namespace osu.Game.Rulesets.Mania
         /// 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>
         /// <param name="stageDefinition">The intended <see cref="StageDefinition"/> for this component. May be null if the component is not a direct member of a <see cref="Stage"/>.</param>
-        public ManiaSkinComponent(ManiaSkinComponents component, int? targetColumn = null, StageDefinition? stageDefinition = null)
+        public ManiaSkinComponent(ManiaSkinComponents component, StageDefinition? stageDefinition = null)
             : base(component)
         {
-            TargetColumn = targetColumn;
             StageDefinition = stageDefinition;
         }
 

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

@@ -8,6 +8,7 @@ using osu.Framework.Graphics.Containers;
 using osu.Game.Rulesets.Mania.Objects;
 using osu.Game.Rulesets.Mania.UI;
 using osu.Game.Rulesets.Mods;
+using osu.Game.Rulesets.Objects.Drawables;
 using osu.Game.Rulesets.UI;
 
 namespace osu.Game.Rulesets.Mania.Mods
@@ -39,5 +40,13 @@ namespace osu.Game.Rulesets.Mania.Mods
                 }));
             }
         }
+
+        protected override void ApplyIncreasedVisibilityState(DrawableHitObject hitObject, ArmedState state)
+        {
+        }
+
+        protected override void ApplyNormalVisibilityState(DrawableHitObject hitObject, ArmedState state)
+        {
+        }
     }
 }

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

@@ -2,6 +2,7 @@
 // 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.Containers;
@@ -12,6 +13,7 @@ using osu.Game.Rulesets.Objects.Drawables;
 using osu.Game.Rulesets.Scoring;
 using osu.Game.Rulesets.UI.Scrolling;
 using osu.Game.Skinning;
+using osuTK;
 
 namespace osu.Game.Rulesets.Mania.Objects.Drawables
 {
@@ -29,21 +31,21 @@ namespace osu.Game.Rulesets.Mania.Objects.Drawables
         public DrawableHoldNoteHead Head => headContainer.Child;
         public DrawableHoldNoteTail Tail => tailContainer.Child;
 
-        private readonly Container<DrawableHoldNoteHead> headContainer;
-        private readonly Container<DrawableHoldNoteTail> tailContainer;
-        private readonly Container<DrawableHoldNoteTick> tickContainer;
+        private Container<DrawableHoldNoteHead> headContainer;
+        private Container<DrawableHoldNoteTail> tailContainer;
+        private Container<DrawableHoldNoteTick> tickContainer;
 
         /// <summary>
         /// Contains the size of the hold note covering the whole head/tail bounds. The size of this container changes as the hold note is being pressed.
         /// </summary>
-        private readonly Container sizingContainer;
+        private Container sizingContainer;
 
         /// <summary>
         /// Contains the contents of the hold note that should be masked as the hold note is being pressed. Follows changes in the size of <see cref="sizingContainer"/>.
         /// </summary>
-        private readonly Container maskingContainer;
+        private Container maskingContainer;
 
-        private readonly SkinnableDrawable bodyPiece;
+        private SkinnableDrawable bodyPiece;
 
         /// <summary>
         /// Time at which the user started holding this hold note. Null if the user is not holding this hold note.
@@ -60,11 +62,19 @@ namespace osu.Game.Rulesets.Mania.Objects.Drawables
         /// </summary>
         private double? releaseTime;
 
+        public DrawableHoldNote()
+            : this(null)
+        {
+        }
+
         public DrawableHoldNote(HoldNote hitObject)
             : base(hitObject)
         {
-            RelativeSizeAxes = Axes.X;
+        }
 
+        [BackgroundDependencyLoader]
+        private void load()
+        {
             Container maskedContents;
 
             AddRangeInternal(new Drawable[]
@@ -86,7 +96,7 @@ namespace osu.Game.Rulesets.Mania.Objects.Drawables
                         headContainer = new Container<DrawableHoldNoteHead> { RelativeSizeAxes = Axes.Both }
                     }
                 },
-                bodyPiece = new SkinnableDrawable(new ManiaSkinComponent(ManiaSkinComponents.HoldNoteBody, hitObject.Column), _ => new DefaultBodyPiece
+                bodyPiece = new SkinnableDrawable(new ManiaSkinComponent(ManiaSkinComponents.HoldNoteBody), _ => new DefaultBodyPiece
                 {
                     RelativeSizeAxes = Axes.Both,
                 })
@@ -105,6 +115,16 @@ namespace osu.Game.Rulesets.Mania.Objects.Drawables
             });
         }
 
+        protected override void OnApply()
+        {
+            base.OnApply();
+
+            sizingContainer.Size = Vector2.One;
+            HoldStartTime = null;
+            HoldBrokenTime = null;
+            releaseTime = null;
+        }
+
         protected override void AddNestedHitObject(DrawableHitObject hitObject)
         {
             base.AddNestedHitObject(hitObject);
@@ -128,37 +148,23 @@ namespace osu.Game.Rulesets.Mania.Objects.Drawables
         protected override void ClearNestedHitObjects()
         {
             base.ClearNestedHitObjects();
-            headContainer.Clear();
-            tailContainer.Clear();
-            tickContainer.Clear();
+            headContainer.Clear(false);
+            tailContainer.Clear(false);
+            tickContainer.Clear(false);
         }
 
         protected override DrawableHitObject CreateNestedHitObject(HitObject hitObject)
         {
             switch (hitObject)
             {
-                case TailNote _:
-                    return new DrawableHoldNoteTail(this)
-                    {
-                        Anchor = Anchor.TopCentre,
-                        Origin = Anchor.TopCentre,
-                        AccentColour = { BindTarget = AccentColour }
-                    };
+                case TailNote tail:
+                    return new DrawableHoldNoteTail(tail);
 
-                case Note _:
-                    return new DrawableHoldNoteHead(this)
-                    {
-                        Anchor = Anchor.TopCentre,
-                        Origin = Anchor.TopCentre,
-                        AccentColour = { BindTarget = AccentColour }
-                    };
+                case HeadNote head:
+                    return new DrawableHoldNoteHead(head);
 
                 case HoldNoteTick tick:
-                    return new DrawableHoldNoteTick(tick)
-                    {
-                        HoldStartTime = () => HoldStartTime,
-                        AccentColour = { BindTarget = AccentColour }
-                    };
+                    return new DrawableHoldNoteTick(tick);
             }
 
             return base.CreateNestedHitObject(hitObject);

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

@@ -1,6 +1,7 @@
 // Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
 // See the LICENCE file in the repository root for full licence text.
 
+using osu.Framework.Graphics;
 using osu.Game.Rulesets.Objects.Drawables;
 
 namespace osu.Game.Rulesets.Mania.Objects.Drawables
@@ -12,11 +13,18 @@ namespace osu.Game.Rulesets.Mania.Objects.Drawables
     {
         protected override ManiaSkinComponents Component => ManiaSkinComponents.HoldNoteHead;
 
-        public DrawableHoldNoteHead(DrawableHoldNote holdNote)
-            : base(holdNote.HitObject.Head)
+        public DrawableHoldNoteHead()
+            : this(null)
         {
         }
 
+        public DrawableHoldNoteHead(HeadNote headNote)
+            : base(headNote)
+        {
+            Anchor = Anchor.TopCentre;
+            Origin = Anchor.TopCentre;
+        }
+
         public void UpdateResult() => base.UpdateResult(true);
 
         protected override void UpdateInitialTransforms()

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

@@ -2,6 +2,7 @@
 // See the LICENCE file in the repository root for full licence text.
 
 using System.Diagnostics;
+using osu.Framework.Graphics;
 using osu.Game.Rulesets.Scoring;
 
 namespace osu.Game.Rulesets.Mania.Objects.Drawables
@@ -20,12 +21,18 @@ namespace osu.Game.Rulesets.Mania.Objects.Drawables
 
         protected override ManiaSkinComponents Component => ManiaSkinComponents.HoldNoteTail;
 
-        private readonly DrawableHoldNote holdNote;
+        protected DrawableHoldNote HoldNote => (DrawableHoldNote)ParentHitObject;
 
-        public DrawableHoldNoteTail(DrawableHoldNote holdNote)
-            : base(holdNote.HitObject.Tail)
+        public DrawableHoldNoteTail()
+            : this(null)
         {
-            this.holdNote = holdNote;
+        }
+
+        public DrawableHoldNoteTail(TailNote tailNote)
+            : base(tailNote)
+        {
+            Anchor = Anchor.TopCentre;
+            Origin = Anchor.TopCentre;
         }
 
         public void UpdateResult() => base.UpdateResult(true);
@@ -54,7 +61,7 @@ namespace osu.Game.Rulesets.Mania.Objects.Drawables
             ApplyResult(r =>
             {
                 // If the head wasn't hit or the hold note was broken, cap the max score to Meh.
-                if (result > HitResult.Meh && (!holdNote.Head.IsHit || holdNote.HoldBrokenTime != null))
+                if (result > HitResult.Meh && (!HoldNote.Head.IsHit || HoldNote.HoldBrokenTime != null))
                     result = HitResult.Meh;
 
                 r.Type = result;

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

@@ -2,7 +2,8 @@
 // See the LICENCE file in the repository root for full licence text.
 
 using System;
-using osuTK;
+using System.Diagnostics;
+using osu.Framework.Allocation;
 using osu.Framework.Extensions.Color4Extensions;
 using osu.Framework.Graphics;
 using osu.Framework.Graphics.Containers;
@@ -19,38 +20,48 @@ namespace osu.Game.Rulesets.Mania.Objects.Drawables
         /// <summary>
         /// References the time at which the user started holding the hold note.
         /// </summary>
-        public Func<double?> HoldStartTime;
+        private Func<double?> holdStartTime;
+
+        private Container glowContainer;
+
+        public DrawableHoldNoteTick()
+            : this(null)
+        {
+        }
 
         public DrawableHoldNoteTick(HoldNoteTick hitObject)
             : base(hitObject)
         {
-            Container glowContainer;
-
             Anchor = Anchor.TopCentre;
             Origin = Anchor.TopCentre;
 
             RelativeSizeAxes = Axes.X;
-            Size = new Vector2(1);
+        }
 
-            AddRangeInternal(new[]
+        [BackgroundDependencyLoader]
+        private void load()
+        {
+            AddInternal(glowContainer = new CircularContainer
             {
-                glowContainer = new CircularContainer
+                Anchor = Anchor.TopCentre,
+                Origin = Anchor.TopCentre,
+                RelativeSizeAxes = Axes.Both,
+                Masking = true,
+                Children = new[]
                 {
-                    Anchor = Anchor.TopCentre,
-                    Origin = Anchor.TopCentre,
-                    RelativeSizeAxes = Axes.Both,
-                    Masking = true,
-                    Children = new[]
+                    new Box
                     {
-                        new Box
-                        {
-                            RelativeSizeAxes = Axes.Both,
-                            Alpha = 0,
-                            AlwaysPresent = true
-                        }
+                        RelativeSizeAxes = Axes.Both,
+                        Alpha = 0,
+                        AlwaysPresent = true
                     }
                 }
             });
+        }
+
+        protected override void LoadComplete()
+        {
+            base.LoadComplete();
 
             AccentColour.BindValueChanged(colour =>
             {
@@ -64,12 +75,29 @@ namespace osu.Game.Rulesets.Mania.Objects.Drawables
             }, true);
         }
 
+        protected override void OnApply()
+        {
+            base.OnApply();
+
+            Debug.Assert(ParentHitObject != null);
+
+            var holdNote = (DrawableHoldNote)ParentHitObject;
+            holdStartTime = () => holdNote.HoldStartTime;
+        }
+
+        protected override void OnFree()
+        {
+            base.OnFree();
+
+            holdStartTime = null;
+        }
+
         protected override void CheckForResult(bool userTriggered, double timeOffset)
         {
             if (Time.Current < HitObject.StartTime)
                 return;
 
-            var startTime = HoldStartTime?.Invoke();
+            var startTime = holdStartTime?.Invoke();
 
             if (startTime == null || startTime > HitObject.StartTime)
                 ApplyResult(r => r.Type = r.Judgement.MinResult);

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

@@ -50,6 +50,7 @@ namespace osu.Game.Rulesets.Mania.Objects.Drawables
         protected DrawableManiaHitObject(ManiaHitObject hitObject)
             : base(hitObject)
         {
+            RelativeSizeAxes = Axes.X;
         }
 
         [BackgroundDependencyLoader(true)]
@@ -59,9 +60,31 @@ namespace osu.Game.Rulesets.Mania.Objects.Drawables
                 Action.BindTo(action);
 
             Direction.BindTo(scrollingInfo.Direction);
+        }
+
+        protected override void LoadComplete()
+        {
+            base.LoadComplete();
+
             Direction.BindValueChanged(OnDirectionChanged, true);
         }
 
+        protected override void OnApply()
+        {
+            base.OnApply();
+
+            if (ParentHitObject != null)
+                AccentColour.BindTo(ParentHitObject.AccentColour);
+        }
+
+        protected override void OnFree()
+        {
+            base.OnFree();
+
+            if (ParentHitObject != null)
+                AccentColour.UnbindFrom(ParentHitObject.AccentColour);
+        }
+
         private double computedLifetimeStart;
 
         public override double LifetimeStart
@@ -147,12 +170,11 @@ namespace osu.Game.Rulesets.Mania.Objects.Drawables
     public abstract class DrawableManiaHitObject<TObject> : DrawableManiaHitObject
         where TObject : ManiaHitObject
     {
-        public new readonly TObject HitObject;
+        public new TObject HitObject => (TObject)base.HitObject;
 
         protected DrawableManiaHitObject(TObject hitObject)
             : base(hitObject)
         {
-            HitObject = hitObject;
         }
     }
 }

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

@@ -33,31 +33,37 @@ namespace osu.Game.Rulesets.Mania.Objects.Drawables
 
         protected virtual ManiaSkinComponents Component => ManiaSkinComponents.Note;
 
-        private readonly Drawable headPiece;
+        private Drawable headPiece;
+
+        public DrawableNote()
+            : this(null)
+        {
+        }
 
         public DrawableNote(Note hitObject)
             : base(hitObject)
         {
-            RelativeSizeAxes = Axes.X;
             AutoSizeAxes = Axes.Y;
-
-            AddInternal(headPiece = new SkinnableDrawable(new ManiaSkinComponent(Component, hitObject.Column), _ => new DefaultNotePiece())
-            {
-                RelativeSizeAxes = Axes.X,
-                AutoSizeAxes = Axes.Y
-            });
         }
 
         [BackgroundDependencyLoader(true)]
         private void load(ManiaRulesetConfigManager rulesetConfig)
         {
             rulesetConfig?.BindWith(ManiaRulesetSetting.TimingBasedNoteColouring, configTimingBasedNoteColouring);
+
+            AddInternal(headPiece = new SkinnableDrawable(new ManiaSkinComponent(Component), _ => new DefaultNotePiece())
+            {
+                RelativeSizeAxes = Axes.X,
+                AutoSizeAxes = Axes.Y
+            });
         }
 
         protected override void LoadComplete()
         {
-            HitObject.StartTimeBindable.BindValueChanged(_ => updateSnapColour());
-            configTimingBasedNoteColouring.BindValueChanged(_ => updateSnapColour(), true);
+            base.LoadComplete();
+
+            configTimingBasedNoteColouring.BindValueChanged(_ => updateSnapColour());
+            StartTimeBindable.BindValueChanged(_ => updateSnapColour(), true);
         }
 
         protected override void OnDirectionChanged(ValueChangedEvent<ScrollingDirection> e)
@@ -102,7 +108,7 @@ namespace osu.Game.Rulesets.Mania.Objects.Drawables
 
         private void updateSnapColour()
         {
-            if (beatmap == null) return;
+            if (beatmap == null || HitObject == null) return;
 
             int snapDivisor = beatmap.ControlPointInfo.GetClosestBeatDivisor(HitObject.StartTime);
 

osu.Game.Rulesets.Mania/Objects/HeadNote.cs

@@ -0,0 +1,9 @@
+// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
+// See the LICENCE file in the repository root for full licence text.
+
+namespace osu.Game.Rulesets.Mania.Objects
+{
+    public class HeadNote : Note
+    {
+    }
+}

osu.Game.Rulesets.Mania/Objects/HoldNote.cs

@@ -72,7 +72,7 @@ namespace osu.Game.Rulesets.Mania.Objects
         /// <summary>
         /// The head note of the hold.
         /// </summary>
-        public Note Head { get; private set; }
+        public HeadNote Head { get; private set; }
 
         /// <summary>
         /// The tail note of the hold.
@@ -98,7 +98,7 @@ namespace osu.Game.Rulesets.Mania.Objects
 
             createTicks(cancellationToken);
 
-            AddNested(Head = new Note
+            AddNested(Head = new HeadNote
             {
                 StartTime = StartTime,
                 Column = Column,

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

@@ -17,6 +17,7 @@ using osu.Game.Rulesets.UI.Scrolling;
 using osu.Game.Skinning;
 using osuTK;
 using osu.Game.Rulesets.Mania.Beatmaps;
+using osu.Game.Rulesets.Mania.Objects;
 using osu.Game.Rulesets.Mania.Objects.Drawables;
 
 namespace osu.Game.Rulesets.Mania.UI
@@ -55,7 +56,7 @@ namespace osu.Game.Rulesets.Mania.UI
             RelativeSizeAxes = Axes.Y;
             Width = COLUMN_WIDTH;
 
-            Drawable background = new SkinnableDrawable(new ManiaSkinComponent(ManiaSkinComponents.ColumnBackground, Index), _ => new DefaultColumnBackground())
+            Drawable background = new SkinnableDrawable(new ManiaSkinComponent(ManiaSkinComponents.ColumnBackground), _ => new DefaultColumnBackground())
             {
                 RelativeSizeAxes = Axes.Both
             };
@@ -66,7 +67,7 @@ namespace osu.Game.Rulesets.Mania.UI
                 // For input purposes, the background is added at the highest depth, but is then proxied back below all other elements
                 background.CreateProxy(),
                 HitObjectArea = new ColumnHitObjectArea(Index, HitObjectContainer) { RelativeSizeAxes = Axes.Both },
-                new SkinnableDrawable(new ManiaSkinComponent(ManiaSkinComponents.KeyArea, Index), _ => new DefaultKeyArea())
+                new SkinnableDrawable(new ManiaSkinComponent(ManiaSkinComponents.KeyArea), _ => new DefaultKeyArea())
                 {
                     RelativeSizeAxes = Axes.Both
                 },
@@ -83,6 +84,19 @@ namespace osu.Game.Rulesets.Mania.UI
             hitPolicy = new OrderedHitPolicy(HitObjectContainer);
 
             TopLevelContainer.Add(HitObjectArea.Explosions.CreateProxy());
+
+            RegisterPool<Note, DrawableNote>(10, 50);
+            RegisterPool<HoldNote, DrawableHoldNote>(10, 50);
+            RegisterPool<HeadNote, DrawableHoldNoteHead>(10, 50);
+            RegisterPool<TailNote, DrawableHoldNoteTail>(10, 50);
+            RegisterPool<HoldNoteTick, DrawableHoldNoteTick>(50, 250);
+        }
+
+        protected override void LoadComplete()
+        {
+            base.LoadComplete();
+
+            NewResult += OnNewResult;
         }
 
         public ColumnType ColumnType { get; set; }
@@ -98,28 +112,14 @@ namespace osu.Game.Rulesets.Mania.UI
             return dependencies;
         }
 
-        /// <summary>
-        /// Adds a DrawableHitObject to this Playfield.
-        /// </summary>
-        /// <param name="hitObject">The DrawableHitObject to add.</param>
-        public override void Add(DrawableHitObject hitObject)
+        protected override void OnNewDrawableHitObject(DrawableHitObject drawableHitObject)
         {
-            hitObject.AccentColour.Value = AccentColour;
-            hitObject.OnNewResult += OnNewResult;
+            base.OnNewDrawableHitObject(drawableHitObject);
 
-            DrawableManiaHitObject maniaObject = (DrawableManiaHitObject)hitObject;
+            DrawableManiaHitObject maniaObject = (DrawableManiaHitObject)drawableHitObject;
+
+            maniaObject.AccentColour.Value = AccentColour;
             maniaObject.CheckHittable = hitPolicy.IsHittable;
-
-            base.Add(hitObject);
-        }
-
-        public override bool Remove(DrawableHitObject h)
-        {
-            if (!base.Remove(h))
-                return false;
-
-            h.OnNewResult -= OnNewResult;
-            return true;
         }
 
         internal void OnNewResult(DrawableHitObject judgedObject, JudgementResult result)

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

@@ -27,7 +27,7 @@ namespace osu.Game.Rulesets.Mania.UI.Components
                     RelativeSizeAxes = Axes.Both,
                     Depth = 2,
                 },
-                hitTarget = new SkinnableDrawable(new ManiaSkinComponent(ManiaSkinComponents.HitTarget, columnIndex), _ => new DefaultHitTarget())
+                hitTarget = new SkinnableDrawable(new ManiaSkinComponent(ManiaSkinComponents.HitTarget), _ => new DefaultHitTarget())
                 {
                     RelativeSizeAxes = Axes.X,
                     Depth = 1

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

@@ -18,7 +18,6 @@ using osu.Game.Replays;
 using osu.Game.Rulesets.Mania.Beatmaps;
 using osu.Game.Rulesets.Mania.Configuration;
 using osu.Game.Rulesets.Mania.Objects;
-using osu.Game.Rulesets.Mania.Objects.Drawables;
 using osu.Game.Rulesets.Mania.Replays;
 using osu.Game.Rulesets.Mods;
 using osu.Game.Rulesets.Objects;
@@ -134,20 +133,7 @@ namespace osu.Game.Rulesets.Mania.UI
 
         protected override PassThroughInputManager CreateInputManager() => new ManiaInputManager(Ruleset.RulesetInfo, Variant);
 
-        public override DrawableHitObject<ManiaHitObject> CreateDrawableRepresentation(ManiaHitObject h)
-        {
-            switch (h)
-            {
-                case HoldNote holdNote:
-                    return new DrawableHoldNote(holdNote);
-
-                case Note note:
-                    return new DrawableNote(note);
-
-                default:
-                    return null;
-            }
-        }
+        public override DrawableHitObject<ManiaHitObject> CreateDrawableRepresentation(ManiaHitObject h) => null;
 
         protected override ReplayInputHandler CreateReplayInputHandler(Replay replay) => new ManiaFramedReplayInputHandler(replay);
 

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

@@ -9,6 +9,7 @@ using System.Linq;
 using osu.Framework.Allocation;
 using osu.Game.Rulesets.Mania.Beatmaps;
 using osu.Game.Rulesets.Mania.Objects;
+using osu.Game.Rulesets.Objects;
 using osu.Game.Rulesets.Objects.Drawables;
 using osu.Game.Rulesets.UI.Scrolling;
 using osuTK;
@@ -56,6 +57,10 @@ namespace osu.Game.Rulesets.Mania.UI
             }
         }
 
+        public override void Add(HitObject hitObject) => getStageByColumn(((ManiaHitObject)hitObject).Column).Add(hitObject);
+
+        public override bool Remove(HitObject hitObject) => getStageByColumn(((ManiaHitObject)hitObject).Column).Remove(hitObject);
+
         public override void Add(DrawableHitObject h) => getStageByColumn(((ManiaHitObject)h.HitObject).Column).Add(h);
 
         public override bool Remove(DrawableHitObject h) => getStageByColumn(((ManiaHitObject)h.HitObject).Column).Remove(h);

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

@@ -28,7 +28,7 @@ namespace osu.Game.Rulesets.Mania.UI
         [BackgroundDependencyLoader]
         private void load()
         {
-            InternalChild = skinnableExplosion = new SkinnableDrawable(new ManiaSkinComponent(ManiaSkinComponents.HitExplosion, column.Index), _ => new DefaultHitExplosion())
+            InternalChild = skinnableExplosion = new SkinnableDrawable(new ManiaSkinComponent(ManiaSkinComponents.HitExplosion), _ => new DefaultHitExplosion())
             {
                 RelativeSizeAxes = Axes.Both
             };

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

@@ -11,6 +11,7 @@ using osu.Game.Rulesets.Mania.Beatmaps;
 using osu.Game.Rulesets.Mania.Objects;
 using osu.Game.Rulesets.Mania.Objects.Drawables;
 using osu.Game.Rulesets.Mania.UI.Components;
+using osu.Game.Rulesets.Objects;
 using osu.Game.Rulesets.Objects.Drawables;
 using osu.Game.Rulesets.UI;
 using osu.Game.Rulesets.UI.Scrolling;
@@ -132,33 +133,19 @@ namespace osu.Game.Rulesets.Mania.UI
             }
         }
 
-        public override void Add(DrawableHitObject h)
+        protected override void LoadComplete()
         {
-            var maniaObject = (ManiaHitObject)h.HitObject;
-
-            int columnIndex = -1;
-
-            maniaObject.ColumnBindable.BindValueChanged(_ =>
-            {
-                if (columnIndex != -1)
-                    Columns.ElementAt(columnIndex).Remove(h);
-
-                columnIndex = maniaObject.Column - firstColumnIndex;
-                Columns.ElementAt(columnIndex).Add(h);
-            }, true);
-
-            h.OnNewResult += OnNewResult;
+            base.LoadComplete();
+            NewResult += OnNewResult;
         }
 
-        public override bool Remove(DrawableHitObject h)
-        {
-            var maniaObject = (ManiaHitObject)h.HitObject;
-            int columnIndex = maniaObject.Column - firstColumnIndex;
-            Columns.ElementAt(columnIndex).Remove(h);
+        public override void Add(HitObject hitObject) => Columns.ElementAt(((ManiaHitObject)hitObject).Column - firstColumnIndex).Add(hitObject);
 
-            h.OnNewResult -= OnNewResult;
-            return true;
-        }
+        public override bool Remove(HitObject hitObject) => Columns.ElementAt(((ManiaHitObject)hitObject).Column - firstColumnIndex).Remove(hitObject);
+
+        public override void Add(DrawableHitObject h) => Columns.ElementAt(((ManiaHitObject)h.HitObject).Column - firstColumnIndex).Add(h);
+
+        public override bool Remove(DrawableHitObject h) => Columns.ElementAt(((ManiaHitObject)h.HitObject).Column - firstColumnIndex).Remove(h);
 
         public void Add(BarLine barline) => base.Add(new DrawableBarLine(barline));
 

osu.Game.Rulesets.Osu.Tests/Editor/TestSceneHitCircleSelectionBlueprint.cs

@@ -28,7 +28,7 @@ namespace osu.Game.Rulesets.Osu.Tests.Editor
             hitCircle.ApplyDefaults(new ControlPointInfo(), new BeatmapDifficulty { CircleSize = 2 });
 
             Add(drawableObject = new DrawableHitCircle(hitCircle));
-            AddBlueprint(blueprint = new TestBlueprint(drawableObject));
+            AddBlueprint(blueprint = new TestBlueprint(hitCircle), drawableObject);
         });
 
         [Test]
@@ -63,8 +63,8 @@ namespace osu.Game.Rulesets.Osu.Tests.Editor
         {
             public new HitCirclePiece CirclePiece => base.CirclePiece;
 
-            public TestBlueprint(DrawableHitCircle drawableCircle)
-                : base(drawableCircle)
+            public TestBlueprint(HitCircle circle)
+                : base(circle)
             {
             }
         }

osu.Game.Rulesets.Osu.Tests/Editor/TestSceneSliderControlPointPiece.cs

@@ -44,7 +44,7 @@ namespace osu.Game.Rulesets.Osu.Tests.Editor
             slider.ApplyDefaults(new ControlPointInfo(), new BeatmapDifficulty { CircleSize = 2 });
 
             Add(drawableObject = new DrawableSlider(slider));
-            AddBlueprint(new TestSliderBlueprint(drawableObject));
+            AddBlueprint(new TestSliderBlueprint(slider), drawableObject);
         });
 
         [Test]
@@ -150,23 +150,23 @@ namespace osu.Game.Rulesets.Osu.Tests.Editor
         private class TestSliderBlueprint : SliderSelectionBlueprint
         {
             public new SliderBodyPiece BodyPiece => base.BodyPiece;
-            public new TestSliderCircleBlueprint HeadBlueprint => (TestSliderCircleBlueprint)base.HeadBlueprint;
-            public new TestSliderCircleBlueprint TailBlueprint => (TestSliderCircleBlueprint)base.TailBlueprint;
+            public new TestSliderCircleOverlay HeadOverlay => (TestSliderCircleOverlay)base.HeadOverlay;
+            public new TestSliderCircleOverlay TailOverlay => (TestSliderCircleOverlay)base.TailOverlay;
             public new PathControlPointVisualiser ControlPointVisualiser => base.ControlPointVisualiser;
 
-            public TestSliderBlueprint(DrawableSlider slider)
+            public TestSliderBlueprint(Slider slider)
                 : base(slider)
             {
             }
 
-            protected override SliderCircleSelectionBlueprint CreateCircleSelectionBlueprint(DrawableSlider slider, SliderPosition position) => new TestSliderCircleBlueprint(slider, position);
+            protected override SliderCircleOverlay CreateCircleOverlay(Slider slider, SliderPosition position) => new TestSliderCircleOverlay(slider, position);
         }
 
-        private class TestSliderCircleBlueprint : SliderCircleSelectionBlueprint
+        private class TestSliderCircleOverlay : SliderCircleOverlay
         {
             public new HitCirclePiece CirclePiece => base.CirclePiece;
 
-            public TestSliderCircleBlueprint(DrawableSlider slider, SliderPosition position)
+            public TestSliderCircleOverlay(Slider slider, SliderPosition position)
                 : base(slider, position)
             {
             }

osu.Game.Rulesets.Osu.Tests/Editor/TestSceneSliderSelectionBlueprint.cs

@@ -43,7 +43,7 @@ namespace osu.Game.Rulesets.Osu.Tests.Editor
             slider.ApplyDefaults(new ControlPointInfo(), new BeatmapDifficulty { CircleSize = 2 });
 
             Add(drawableObject = new DrawableSlider(slider));
-            AddBlueprint(blueprint = new TestSliderBlueprint(drawableObject));
+            AddBlueprint(blueprint = new TestSliderBlueprint(slider), drawableObject);
         });
 
         [Test]
@@ -174,10 +174,10 @@ namespace osu.Game.Rulesets.Osu.Tests.Editor
             AddAssert("body positioned correctly", () => blueprint.BodyPiece.Position == slider.StackedPosition);
 
             AddAssert("head positioned correctly",
-                () => Precision.AlmostEquals(blueprint.HeadBlueprint.CirclePiece.ScreenSpaceDrawQuad.Centre, drawableObject.HeadCircle.ScreenSpaceDrawQuad.Centre));
+                () => Precision.AlmostEquals(blueprint.HeadOverlay.CirclePiece.ScreenSpaceDrawQuad.Centre, drawableObject.HeadCircle.ScreenSpaceDrawQuad.Centre));
 
             AddAssert("tail positioned correctly",
-                () => Precision.AlmostEquals(blueprint.TailBlueprint.CirclePiece.ScreenSpaceDrawQuad.Centre, drawableObject.TailCircle.ScreenSpaceDrawQuad.Centre));
+                () => Precision.AlmostEquals(blueprint.TailOverlay.CirclePiece.ScreenSpaceDrawQuad.Centre, drawableObject.TailCircle.ScreenSpaceDrawQuad.Centre));
         }
 
         private void moveMouseToControlPoint(int index)
@@ -195,23 +195,23 @@ namespace osu.Game.Rulesets.Osu.Tests.Editor
         private class TestSliderBlueprint : SliderSelectionBlueprint
         {
             public new SliderBodyPiece BodyPiece => base.BodyPiece;
-            public new TestSliderCircleBlueprint HeadBlueprint => (TestSliderCircleBlueprint)base.HeadBlueprint;
-            public new TestSliderCircleBlueprint TailBlueprint => (TestSliderCircleBlueprint)base.TailBlueprint;
+            public new TestSliderCircleOverlay HeadOverlay => (TestSliderCircleOverlay)base.HeadOverlay;
+            public new TestSliderCircleOverlay TailOverlay => (TestSliderCircleOverlay)base.TailOverlay;
             public new PathControlPointVisualiser ControlPointVisualiser => base.ControlPointVisualiser;
 
-            public TestSliderBlueprint(DrawableSlider slider)
+            public TestSliderBlueprint(Slider slider)
                 : base(slider)
             {
             }
 
-            protected override SliderCircleSelectionBlueprint CreateCircleSelectionBlueprint(DrawableSlider slider, SliderPosition position) => new TestSliderCircleBlueprint(slider, position);
+            protected override SliderCircleOverlay CreateCircleOverlay(Slider slider, SliderPosition position) => new TestSliderCircleOverlay(slider, position);
         }
 
-        private class TestSliderCircleBlueprint : SliderCircleSelectionBlueprint
+        private class TestSliderCircleOverlay : SliderCircleOverlay
         {
             public new HitCirclePiece CirclePiece => base.CirclePiece;
 
-            public TestSliderCircleBlueprint(DrawableSlider slider, SliderPosition position)
+            public TestSliderCircleOverlay(Slider slider, SliderPosition position)
                 : base(slider, position)
             {
             }

osu.Game.Rulesets.Osu.Tests/Editor/TestSceneSpinnerSelectionBlueprint.cs

@@ -35,7 +35,7 @@ namespace osu.Game.Rulesets.Osu.Tests.Editor
                 Child = drawableSpinner = new DrawableSpinner(spinner)
             });
 
-            AddBlueprint(new SpinnerSelectionBlueprint(drawableSpinner) { Size = new Vector2(0.5f) });
+            AddBlueprint(new SpinnerSelectionBlueprint(spinner) { Size = new Vector2(0.5f) }, drawableSpinner);
         }
     }
 }

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

@@ -5,12 +5,14 @@ using System.Collections.Generic;
 using System.Linq;
 using NUnit.Framework;
 using osu.Framework.Graphics;
+using osu.Framework.Testing;
 using osu.Game.Audio;
 using osu.Game.Beatmaps;
 using osu.Game.Beatmaps.ControlPoints;
 using osu.Game.Rulesets.Mods;
 using osu.Game.Rulesets.Osu.Objects;
 using osu.Game.Rulesets.Osu.Objects.Drawables;
+using osu.Game.Skinning;
 using osuTK;
 
 namespace osu.Game.Rulesets.Osu.Tests
@@ -32,6 +34,16 @@ namespace osu.Game.Rulesets.Osu.Tests
             AddStep($"{term} Small", () => SetContents(() => testSingle(7, autoplay)));
         }
 
+        [Test]
+        public void TestSpinningSamplePitchShift()
+        {
+            AddStep("Add spinner", () => SetContents(() => testSingle(5, true, 4000)));
+            AddUntilStep("Pitch starts low", () => getSpinningSample().Frequency.Value < 0.8);
+            AddUntilStep("Pitch increases", () => getSpinningSample().Frequency.Value > 0.8);
+
+            PausableSkinnableSound getSpinningSample() => drawableSpinner.ChildrenOfType<PausableSkinnableSound>().FirstOrDefault(s => s.Samples.Any(i => i.LookupNames.Any(l => l.Contains("spinnerspin"))));
+        }
+
         [TestCase(false)]
         [TestCase(true)]
         public void TestLongSpinner(bool autoplay)
@@ -93,7 +105,7 @@ namespace osu.Game.Rulesets.Osu.Tests
             {
                 base.Update();
                 if (auto)
-                    RotationTracker.AddRotation((float)(Clock.ElapsedFrameTime * 3));
+                    RotationTracker.AddRotation((float)(Clock.ElapsedFrameTime * 2));
             }
         }
     }

osu.Game.Rulesets.Osu/Edit/Blueprints/HitCircles/HitCircleSelectionBlueprint.cs

@@ -15,8 +15,8 @@ namespace osu.Game.Rulesets.Osu.Edit.Blueprints.HitCircles
 
         protected readonly HitCirclePiece CirclePiece;
 
-        public HitCircleSelectionBlueprint(DrawableHitCircle drawableCircle)
-            : base(drawableCircle)
+        public HitCircleSelectionBlueprint(HitCircle circle)
+            : base(circle)
         {
             InternalChild = CirclePiece = new HitCirclePiece();
         }

osu.Game.Rulesets.Osu/Edit/Blueprints/OsuSelectionBlueprint.cs

@@ -2,20 +2,20 @@
 // See the LICENCE file in the repository root for full licence text.
 
 using osu.Game.Rulesets.Edit;
-using osu.Game.Rulesets.Objects.Drawables;
 using osu.Game.Rulesets.Osu.Objects;
+using osu.Game.Rulesets.Osu.Objects.Drawables;
 
 namespace osu.Game.Rulesets.Osu.Edit.Blueprints
 {
-    public abstract class OsuSelectionBlueprint<T> : OverlaySelectionBlueprint
+    public abstract class OsuSelectionBlueprint<T> : HitObjectSelectionBlueprint<T>
         where T : OsuHitObject
     {
-        protected T HitObject => (T)DrawableObject.HitObject;
+        protected new DrawableOsuHitObject DrawableObject => (DrawableOsuHitObject)base.DrawableObject;
 
         protected override bool AlwaysShowWhenSelected => true;
 
-        protected OsuSelectionBlueprint(DrawableHitObject drawableObject)
-            : base(drawableObject)
+        protected OsuSelectionBlueprint(T hitObject)
+            : base(hitObject)
         {
         }
     }

osu.Game.Rulesets.Osu/Edit/Blueprints/Sliders/Components/PathControlPointVisualiser.cs

@@ -243,7 +243,7 @@ namespace osu.Game.Rulesets.Osu.Edit.Blueprints.Sliders.Components
             int totalCount = Pieces.Count(p => p.IsSelected.Value);
             int countOfState = Pieces.Where(p => p.IsSelected.Value).Count(p => p.ControlPoint.Type.Value == type);
 
-            var item = new PathTypeMenuItem(type, () =>
+            var item = new TernaryStateRadioMenuItem(type == null ? "Inherit" : type.ToString().Humanize(), MenuItemType.Standard, _ =>
             {
                 foreach (var p in Pieces.Where(p => p.IsSelected.Value))
                     updatePathType(p, type);
@@ -258,15 +258,5 @@ namespace osu.Game.Rulesets.Osu.Edit.Blueprints.Sliders.Components
 
             return item;
         }
-
-        private class PathTypeMenuItem : TernaryStateMenuItem
-        {
-            public PathTypeMenuItem(PathType? type, Action action)
-                : base(type == null ? "Inherit" : type.ToString().Humanize(), changeState, MenuItemType.Standard, _ => action?.Invoke())
-            {
-            }
-
-            private static TernaryState changeState(TernaryState state) => TernaryState.True;
-        }
     }
 }

osu.Game.Rulesets.Osu/Edit/Blueprints/Sliders/SliderCircleOverlay.cs

@@ -1,36 +1,32 @@
-// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
+// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
 // See the LICENCE file in the repository root for full licence text.
 
+using osu.Framework.Graphics.Containers;
 using osu.Game.Rulesets.Osu.Edit.Blueprints.HitCircles.Components;
 using osu.Game.Rulesets.Osu.Objects;
-using osu.Game.Rulesets.Osu.Objects.Drawables;
 
 namespace osu.Game.Rulesets.Osu.Edit.Blueprints.Sliders
 {
-    public class SliderCircleSelectionBlueprint : OsuSelectionBlueprint<Slider>
+    public class SliderCircleOverlay : CompositeDrawable
     {
         protected readonly HitCirclePiece CirclePiece;
 
+        private readonly Slider slider;
         private readonly SliderPosition position;
 
-        public SliderCircleSelectionBlueprint(DrawableSlider slider, SliderPosition position)
-            : base(slider)
+        public SliderCircleOverlay(Slider slider, SliderPosition position)
         {
+            this.slider = slider;
             this.position = position;
 
             InternalChild = CirclePiece = new HitCirclePiece();
-
-            Select();
         }
 
         protected override void Update()
         {
             base.Update();
 
-            CirclePiece.UpdateFrom(position == SliderPosition.Start ? (HitCircle)HitObject.HeadCircle : HitObject.TailCircle);
+            CirclePiece.UpdateFrom(position == SliderPosition.Start ? (HitCircle)slider.HeadCircle : slider.TailCircle);
         }
-
-        // Todo: This is temporary, since the slider circle masks don't do anything special yet. In the future they will handle input.
-        public override bool HandlePositionalInput => false;
     }
 }

osu.Game.Rulesets.Osu/Edit/Blueprints/Sliders/SliderSelectionBlueprint.cs

@@ -26,15 +26,15 @@ namespace osu.Game.Rulesets.Osu.Edit.Blueprints.Sliders
 {
     public class SliderSelectionBlueprint : OsuSelectionBlueprint<Slider>
     {
+        protected new DrawableSlider DrawableObject => (DrawableSlider)base.DrawableObject;
+
         protected SliderBodyPiece BodyPiece { get; private set; }
-        protected SliderCircleSelectionBlueprint HeadBlueprint { get; private set; }
-        protected SliderCircleSelectionBlueprint TailBlueprint { get; private set; }
+        protected SliderCircleOverlay HeadOverlay { get; private set; }
+        protected SliderCircleOverlay TailOverlay { get; private set; }
 
         [CanBeNull]
         protected PathControlPointVisualiser ControlPointVisualiser { get; private set; }
 
-        private readonly DrawableSlider slider;
-
         [Resolved(CanBeNull = true)]
         private HitObjectComposer composer { get; set; }
 
@@ -52,10 +52,9 @@ namespace osu.Game.Rulesets.Osu.Edit.Blueprints.Sliders
         private readonly BindableList<PathControlPoint> controlPoints = new BindableList<PathControlPoint>();
         private readonly IBindable<int> pathVersion = new Bindable<int>();
 
-        public SliderSelectionBlueprint(DrawableSlider slider)
+        public SliderSelectionBlueprint(Slider slider)
             : base(slider)
         {
-            this.slider = slider;
         }
 
         [BackgroundDependencyLoader]
@@ -64,8 +63,8 @@ namespace osu.Game.Rulesets.Osu.Edit.Blueprints.Sliders
             InternalChildren = new Drawable[]
             {
                 BodyPiece = new SliderBodyPiece(),
-                HeadBlueprint = CreateCircleSelectionBlueprint(slider, SliderPosition.Start),
-                TailBlueprint = CreateCircleSelectionBlueprint(slider, SliderPosition.End),
+                HeadOverlay = CreateCircleOverlay(HitObject, SliderPosition.Start),
+                TailOverlay = CreateCircleOverlay(HitObject, SliderPosition.End),
             };
         }
 
@@ -103,7 +102,7 @@ namespace osu.Game.Rulesets.Osu.Edit.Blueprints.Sliders
 
         protected override void OnSelected()
         {
-            AddInternal(ControlPointVisualiser = new PathControlPointVisualiser(slider.HitObject, true)
+            AddInternal(ControlPointVisualiser = new PathControlPointVisualiser(HitObject, true)
             {
                 RemoveControlPointsRequested = removeControlPoints
             });
@@ -215,7 +214,7 @@ namespace osu.Game.Rulesets.Osu.Edit.Blueprints.Sliders
             }
 
             // If there are 0 or 1 remaining control points, the slider is in a degenerate (single point) form and should be deleted
-            if (controlPoints.Count <= 1 || !slider.HitObject.Path.HasValidLength)
+            if (controlPoints.Count <= 1 || !HitObject.Path.HasValidLength)
             {
                 placementHandler?.Delete(HitObject);
                 return;
@@ -240,11 +239,13 @@ namespace osu.Game.Rulesets.Osu.Edit.Blueprints.Sliders
             new OsuMenuItem("Add control point", MenuItemType.Standard, () => addControlPoint(rightClickPosition)),
         };
 
-        public override Vector2 ScreenSpaceSelectionPoint => BodyPiece.ToScreenSpace(BodyPiece.PathStartLocation);
+        // Always refer to the drawable object's slider body so subsequent movement deltas are calculated with updated positions.
+        public override Vector2 ScreenSpaceSelectionPoint => DrawableObject.SliderBody?.ToScreenSpace(DrawableObject.SliderBody.PathOffset)
+                                                             ?? BodyPiece.ToScreenSpace(BodyPiece.PathStartLocation);
 
         public override bool ReceivePositionalInputAt(Vector2 screenSpacePos) =>
             BodyPiece.ReceivePositionalInputAt(screenSpacePos) || ControlPointVisualiser?.Pieces.Any(p => p.ReceivePositionalInputAt(screenSpacePos)) == true;
 
-        protected virtual SliderCircleSelectionBlueprint CreateCircleSelectionBlueprint(DrawableSlider slider, SliderPosition position) => new SliderCircleSelectionBlueprint(slider, position);
+        protected virtual SliderCircleOverlay CreateCircleOverlay(Slider slider, SliderPosition position) => new SliderCircleOverlay(slider, position);
     }
 }

osu.Game.Rulesets.Osu/Edit/Blueprints/Spinners/SpinnerSelectionBlueprint.cs

@@ -3,7 +3,6 @@
 
 using osu.Game.Rulesets.Osu.Edit.Blueprints.Spinners.Components;
 using osu.Game.Rulesets.Osu.Objects;
-using osu.Game.Rulesets.Osu.Objects.Drawables;
 using osuTK;
 
 namespace osu.Game.Rulesets.Osu.Edit.Blueprints.Spinners
@@ -12,7 +11,7 @@ namespace osu.Game.Rulesets.Osu.Edit.Blueprints.Spinners
     {
         private readonly SpinnerPiece piece;
 
-        public SpinnerSelectionBlueprint(DrawableSpinner spinner)
+        public SpinnerSelectionBlueprint(Spinner spinner)
             : base(spinner)
         {
             InternalChild = piece = new SpinnerPiece();

osu.Game.Rulesets.Osu/Edit/OsuBlueprintContainer.cs

@@ -3,11 +3,10 @@
 
 using osu.Game.Rulesets.Edit;
 using osu.Game.Rulesets.Objects;
-using osu.Game.Rulesets.Objects.Drawables;
 using osu.Game.Rulesets.Osu.Edit.Blueprints.HitCircles;
 using osu.Game.Rulesets.Osu.Edit.Blueprints.Sliders;
 using osu.Game.Rulesets.Osu.Edit.Blueprints.Spinners;
-using osu.Game.Rulesets.Osu.Objects.Drawables;
+using osu.Game.Rulesets.Osu.Objects;
 using osu.Game.Screens.Edit.Compose.Components;
 
 namespace osu.Game.Rulesets.Osu.Edit
@@ -21,21 +20,21 @@ namespace osu.Game.Rulesets.Osu.Edit
 
         protected override SelectionHandler<HitObject> CreateSelectionHandler() => new OsuSelectionHandler();
 
-        public override OverlaySelectionBlueprint CreateBlueprintFor(DrawableHitObject hitObject)
+        public override HitObjectSelectionBlueprint CreateHitObjectBlueprintFor(HitObject hitObject)
         {
             switch (hitObject)
             {
-                case DrawableHitCircle circle:
+                case HitCircle circle:
                     return new HitCircleSelectionBlueprint(circle);
 
-                case DrawableSlider slider:
+                case Slider slider:
                     return new SliderSelectionBlueprint(slider);
 
-                case DrawableSpinner spinner:
+                case Spinner spinner:
                     return new SpinnerSelectionBlueprint(spinner);
             }
 
-            return base.CreateBlueprintFor(hitObject);
+            return base.CreateHitObjectBlueprintFor(hitObject);
         }
     }
 }

osu.Game.Rulesets.Osu/Edit/OsuSelectionHandler.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.Graphics;
@@ -18,6 +17,17 @@ namespace osu.Game.Rulesets.Osu.Edit
 {
     public class OsuSelectionHandler : EditorSelectionHandler
     {
+        /// <summary>
+        /// During a transform, the initial origin is stored so it can be used throughout the operation.
+        /// </summary>
+        private Vector2? referenceOrigin;
+
+        /// <summary>
+        /// During a transform, the initial path types of a single selected slider are stored so they
+        /// can be maintained throughout the operation.
+        /// </summary>
+        private List<PathType?> referencePathTypes;
+
         protected override void OnSelectionChanged()
         {
             base.OnSelectionChanged();
@@ -50,17 +60,6 @@ namespace osu.Game.Rulesets.Osu.Edit
             return true;
         }
 
-        /// <summary>
-        /// During a transform, the initial origin is stored so it can be used throughout the operation.
-        /// </summary>
-        private Vector2? referenceOrigin;
-
-        /// <summary>
-        /// During a transform, the initial path types of a single selected slider are stored so they
-        /// can be maintained throughout the operation.
-        /// </summary>
-        private List<PathType?> referencePathTypes;
-
         public override bool HandleReverse()
         {
             var hitObjects = EditorBeatmap.SelectedHitObjects;
@@ -114,24 +113,10 @@ namespace osu.Game.Rulesets.Osu.Edit
             var hitObjects = selectedMovableObjects;
 
             var selectedObjectsQuad = getSurroundingQuad(hitObjects);
-            var centre = selectedObjectsQuad.Centre;
 
             foreach (var h in hitObjects)
             {
-                var pos = h.Position;
-
-                switch (direction)
-                {
-                    case Direction.Horizontal:
-                        pos.X = centre.X - (pos.X - centre.X);
-                        break;
-
-                    case Direction.Vertical:
-                        pos.Y = centre.Y - (pos.Y - centre.Y);
-                        break;
-                }
-
-                h.Position = pos;
+                h.Position = GetFlippedPosition(direction, selectedObjectsQuad, h.Position);
 
                 if (h is Slider slider)
                 {
@@ -187,12 +172,12 @@ namespace osu.Game.Rulesets.Osu.Edit
 
             foreach (var h in hitObjects)
             {
-                h.Position = rotatePointAroundOrigin(h.Position, referenceOrigin.Value, delta);
+                h.Position = RotatePointAroundOrigin(h.Position, referenceOrigin.Value, delta);
 
                 if (h is IHasPath path)
                 {
                     foreach (var point in path.Path.ControlPoints)
-                        point.Position.Value = rotatePointAroundOrigin(point.Position.Value, Vector2.Zero, delta);
+                        point.Position.Value = RotatePointAroundOrigin(point.Position.Value, Vector2.Zero, delta);
                 }
             }
 
@@ -204,7 +189,7 @@ namespace osu.Game.Rulesets.Osu.Edit
         {
             referencePathTypes ??= slider.Path.ControlPoints.Select(p => p.Type.Value).ToList();
 
-            Quad sliderQuad = getSurroundingQuad(slider.Path.ControlPoints.Select(p => p.Position.Value));
+            Quad sliderQuad = GetSurroundingQuad(slider.Path.ControlPoints.Select(p => p.Position.Value));
 
             // Limit minimum distance between control points after scaling to almost 0. Less than 0 causes the slider to flip, exactly 0 causes a crash through division by 0.
             scale = Vector2.ComponentMax(new Vector2(Precision.FLOAT_EPSILON), sliderQuad.Size + scale) - sliderQuad.Size;
@@ -239,26 +224,10 @@ namespace osu.Game.Rulesets.Osu.Edit
         private void scaleHitObjects(OsuHitObject[] hitObjects, Anchor reference, Vector2 scale)
         {
             scale = getClampedScale(hitObjects, reference, scale);
-
-            // move the selection before scaling if dragging from top or left anchors.
-            float xOffset = ((reference & Anchor.x0) > 0) ? -scale.X : 0;
-            float yOffset = ((reference & Anchor.y0) > 0) ? -scale.Y : 0;
-
             Quad selectionQuad = getSurroundingQuad(hitObjects);
 
             foreach (var h in hitObjects)
-            {
-                var newPosition = h.Position;
-
-                // guard against no-ops and NaN.
-                if (scale.X != 0 && selectionQuad.Width > 0)
-                    newPosition.X = selectionQuad.TopLeft.X + xOffset + (h.X - selectionQuad.TopLeft.X) / selectionQuad.Width * (selectionQuad.Width + scale.X);
-
-                if (scale.Y != 0 && selectionQuad.Height > 0)
-                    newPosition.Y = selectionQuad.TopLeft.Y + yOffset + (h.Y - selectionQuad.TopLeft.Y) / selectionQuad.Height * (selectionQuad.Height + scale.Y);
-
-                h.Position = newPosition;
-            }
+                h.Position = GetScaledPosition(reference, scale, selectionQuad, h.Position);
         }
 
         private (bool X, bool Y) isQuadInBounds(Quad quad)
@@ -333,7 +302,7 @@ namespace osu.Game.Rulesets.Osu.Edit
         /// </summary>
         /// <param name="hitObjects">The hit objects to calculate a quad for.</param>
         private Quad getSurroundingQuad(OsuHitObject[] hitObjects) =>
-            getSurroundingQuad(hitObjects.SelectMany(h =>
+            GetSurroundingQuad(hitObjects.SelectMany(h =>
             {
                 if (h is IHasPath path)
                 {
@@ -348,58 +317,11 @@ namespace osu.Game.Rulesets.Osu.Edit
                 return new[] { h.Position };
             }));
 
-        /// <summary>
-        /// Returns a gamefield-space quad surrounding the provided points.
-        /// </summary>
-        /// <param name="points">The points to calculate a quad for.</param>
-        private Quad getSurroundingQuad(IEnumerable<Vector2> points)
-        {
-            if (!EditorBeatmap.SelectedHitObjects.Any())
-                return new Quad();
-
-            Vector2 minPosition = new Vector2(float.MaxValue, float.MaxValue);
-            Vector2 maxPosition = new Vector2(float.MinValue, float.MinValue);
-
-            // Go through all hitobjects to make sure they would remain in the bounds of the editor after movement, before any movement is attempted
-            foreach (var p in points)
-            {
-                minPosition = Vector2.ComponentMin(minPosition, p);
-                maxPosition = Vector2.ComponentMax(maxPosition, p);
-            }
-
-            Vector2 size = maxPosition - minPosition;
-
-            return new Quad(minPosition.X, minPosition.Y, size.X, size.Y);
-        }
-
         /// <summary>
         /// All osu! hitobjects which can be moved/rotated/scaled.
         /// </summary>
         private OsuHitObject[] selectedMovableObjects => SelectedItems.OfType<OsuHitObject>()
                                                                       .Where(h => !(h is Spinner))
                                                                       .ToArray();
-
-        /// <summary>
-        /// Rotate a point around an arbitrary origin.
-        /// </summary>
-        /// <param name="point">The point.</param>
-        /// <param name="origin">The centre origin to rotate around.</param>
-        /// <param name="angle">The angle to rotate (in degrees).</param>
-        private static Vector2 rotatePointAroundOrigin(Vector2 point, Vector2 origin, float angle)
-        {
-            angle = -angle;
-
-            point.X -= origin.X;
-            point.Y -= origin.Y;
-
-            Vector2 ret;
-            ret.X = point.X * MathF.Cos(MathUtils.DegreesToRadians(angle)) + point.Y * MathF.Sin(MathUtils.DegreesToRadians(angle));
-            ret.Y = point.X * -MathF.Sin(MathUtils.DegreesToRadians(angle)) + point.Y * MathF.Cos(MathUtils.DegreesToRadians(angle));
-
-            ret.X += origin.X;
-            ret.Y += origin.Y;
-
-            return ret;
-        }
     }
 }

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

@@ -43,13 +43,11 @@ namespace osu.Game.Rulesets.Osu.Mods
 
         protected override void ApplyIncreasedVisibilityState(DrawableHitObject hitObject, ArmedState state)
         {
-            base.ApplyIncreasedVisibilityState(hitObject, state);
             applyState(hitObject, true);
         }
 
         protected override void ApplyNormalVisibilityState(DrawableHitObject hitObject, ArmedState state)
         {
-            base.ApplyNormalVisibilityState(hitObject, state);
             applyState(hitObject, false);
         }
 
@@ -60,20 +58,20 @@ namespace osu.Game.Rulesets.Osu.Mods
 
             OsuHitObject hitObject = drawableOsuObject.HitObject;
 
-            (double startTime, double duration) fadeOut = getFadeOutParameters(drawableOsuObject);
+            (double fadeStartTime, double fadeDuration) = getFadeOutParameters(drawableOsuObject);
 
             switch (drawableObject)
             {
                 case DrawableSliderTail _:
-                    using (drawableObject.BeginAbsoluteSequence(fadeOut.startTime, true))
-                        drawableObject.FadeOut(fadeOut.duration);
+                    using (drawableObject.BeginAbsoluteSequence(fadeStartTime))
+                        drawableObject.FadeOut(fadeDuration);
 
                     break;
 
                 case DrawableSliderRepeat sliderRepeat:
-                    using (drawableObject.BeginAbsoluteSequence(fadeOut.startTime, true))
+                    using (drawableObject.BeginAbsoluteSequence(fadeStartTime))
                         // only apply to circle piece – reverse arrow is not affected by hidden.
-                        sliderRepeat.CirclePiece.FadeOut(fadeOut.duration);
+                        sliderRepeat.CirclePiece.FadeOut(fadeDuration);
 
                     break;
 
@@ -88,23 +86,23 @@ namespace osu.Game.Rulesets.Osu.Mods
                     else
                     {
                         // we don't want to see the approach circle
-                        using (circle.BeginAbsoluteSequence(hitObject.StartTime - hitObject.TimePreempt, true))
+                        using (circle.BeginAbsoluteSequence(hitObject.StartTime - hitObject.TimePreempt))
                             circle.ApproachCircle.Hide();
                     }
 
-                    using (drawableObject.BeginAbsoluteSequence(fadeOut.startTime, true))
-                        fadeTarget.FadeOut(fadeOut.duration);
+                    using (drawableObject.BeginAbsoluteSequence(fadeStartTime))
+                        fadeTarget.FadeOut(fadeDuration);
                     break;
 
                 case DrawableSlider slider:
-                    using (slider.BeginAbsoluteSequence(fadeOut.startTime, true))
-                        slider.Body.FadeOut(fadeOut.duration, Easing.Out);
+                    using (slider.BeginAbsoluteSequence(fadeStartTime))
+                        slider.Body.FadeOut(fadeDuration, Easing.Out);
 
                     break;
 
                 case DrawableSliderTick sliderTick:
-                    using (sliderTick.BeginAbsoluteSequence(fadeOut.startTime, true))
-                        sliderTick.FadeOut(fadeOut.duration);
+                    using (sliderTick.BeginAbsoluteSequence(fadeStartTime))
+                        sliderTick.FadeOut(fadeDuration);
 
                     break;
 
@@ -112,14 +110,14 @@ namespace osu.Game.Rulesets.Osu.Mods
                     // hide elements we don't care about.
                     // todo: hide background
 
-                    using (spinner.BeginAbsoluteSequence(fadeOut.startTime, true))
-                        spinner.FadeOut(fadeOut.duration);
+                    using (spinner.BeginAbsoluteSequence(fadeStartTime))
+                        spinner.FadeOut(fadeDuration);
 
                     break;
             }
         }
 
-        private (double startTime, double duration) getFadeOutParameters(DrawableOsuHitObject drawableObject)
+        private (double fadeStartTime, double fadeDuration) getFadeOutParameters(DrawableOsuHitObject drawableObject)
         {
             switch (drawableObject)
             {
@@ -137,7 +135,7 @@ namespace osu.Game.Rulesets.Osu.Mods
                     return getParameters(drawableObject.HitObject);
             }
 
-            static (double startTime, double duration) getParameters(OsuHitObject hitObject)
+            static (double fadeStartTime, double fadeDuration) getParameters(OsuHitObject hitObject)
             {
                 var fadeOutStartTime = hitObject.StartTime - hitObject.TimePreempt + hitObject.TimeFadeIn;
                 var fadeOutDuration = hitObject.TimePreempt * fade_out_duration_multiplier;

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

@@ -34,7 +34,8 @@ namespace osu.Game.Rulesets.Osu.Objects.Drawables
 
         public override bool DisplayResult => !HitObject.OnlyJudgeNestedObjects;
 
-        private PlaySliderBody sliderBody => Body.Drawable as PlaySliderBody;
+        [CanBeNull]
+        public PlaySliderBody SliderBody => Body.Drawable as PlaySliderBody;
 
         public IBindable<int> PathVersion => pathVersion;
         private readonly Bindable<int> pathVersion = new Bindable<int>();
@@ -215,16 +216,16 @@ namespace osu.Game.Rulesets.Osu.Objects.Drawables
             double completionProgress = Math.Clamp((Time.Current - HitObject.StartTime) / HitObject.Duration, 0, 1);
 
             Ball.UpdateProgress(completionProgress);
-            sliderBody?.UpdateProgress(completionProgress);
+            SliderBody?.UpdateProgress(completionProgress);
 
             foreach (DrawableHitObject hitObject in NestedHitObjects)
             {
-                if (hitObject is ITrackSnaking s) s.UpdateSnakingPosition(HitObject.Path.PositionAt(sliderBody?.SnakedStart ?? 0), HitObject.Path.PositionAt(sliderBody?.SnakedEnd ?? 0));
+                if (hitObject is ITrackSnaking s) s.UpdateSnakingPosition(HitObject.Path.PositionAt(SliderBody?.SnakedStart ?? 0), HitObject.Path.PositionAt(SliderBody?.SnakedEnd ?? 0));
                 if (hitObject is IRequireTracking t) t.Tracking = Ball.Tracking;
             }
 
-            Size = sliderBody?.Size ?? Vector2.Zero;
-            OriginPosition = sliderBody?.PathOffset ?? Vector2.Zero;
+            Size = SliderBody?.Size ?? Vector2.Zero;
+            OriginPosition = SliderBody?.PathOffset ?? Vector2.Zero;
 
             if (DrawSize != Vector2.Zero)
             {
@@ -238,7 +239,7 @@ namespace osu.Game.Rulesets.Osu.Objects.Drawables
         public override void OnKilled()
         {
             base.OnKilled();
-            sliderBody?.RecyclePath();
+            SliderBody?.RecyclePath();
         }
 
         protected override void ApplySkin(ISkinSource skin, bool allowFallback)
@@ -324,7 +325,7 @@ namespace osu.Game.Rulesets.Osu.Objects.Drawables
             {
                 case ArmedState.Hit:
                     Ball.ScaleTo(HitObject.Scale * 1.4f, fade_out_time, Easing.Out);
-                    if (sliderBody?.SnakingOut.Value == true)
+                    if (SliderBody?.SnakingOut.Value == true)
                         Body.FadeOut(40); // short fade to allow for any body colour to smoothly disappear.
                     break;
             }
@@ -332,7 +333,7 @@ namespace osu.Game.Rulesets.Osu.Objects.Drawables
             this.FadeOut(fade_out_time, Easing.OutQuint).Expire();
         }
 
-        public override bool ReceivePositionalInputAt(Vector2 screenSpacePos) => sliderBody?.ReceivePositionalInputAt(screenSpacePos) ?? base.ReceivePositionalInputAt(screenSpacePos);
+        public override bool ReceivePositionalInputAt(Vector2 screenSpacePos) => SliderBody?.ReceivePositionalInputAt(screenSpacePos) ?? base.ReceivePositionalInputAt(screenSpacePos);
 
         private class DefaultSliderBody : PlaySliderBody
         {

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

@@ -39,6 +39,9 @@ namespace osu.Game.Rulesets.Osu.Objects.Drawables
         private Bindable<bool> isSpinning;
         private bool spinnerFrequencyModulate;
 
+        private const float spinning_sample_initial_frequency = 1.0f;
+        private const float spinning_sample_modulated_base_frequency = 0.5f;
+
         /// <summary>
         /// The amount of bonus score gained from spinning after the required number of spins, for display purposes.
         /// </summary>
@@ -106,9 +109,6 @@ namespace osu.Game.Rulesets.Osu.Objects.Drawables
             isSpinning.BindValueChanged(updateSpinningSample);
         }
 
-        private const float spinning_sample_initial_frequency = 1.0f;
-        private const float spinning_sample_modulated_base_frequency = 0.5f;
-
         protected override void OnFree()
         {
             base.OnFree();

osu.Game.Rulesets.Osu/Statistics/AccuracyHeatmap.cs

@@ -166,7 +166,7 @@ namespace osu.Game.Rulesets.Osu.Statistics
 
                     var point = new HitPoint(pointType, this)
                     {
-                        Colour = pointType == HitPointType.Hit ? new Color4(102, 255, 204, 255) : new Color4(255, 102, 102, 255)
+                        BaseColour = pointType == HitPointType.Hit ? new Color4(102, 255, 204, 255) : new Color4(255, 102, 102, 255)
                     };
 
                     points[r][c] = point;
@@ -234,6 +234,11 @@ namespace osu.Game.Rulesets.Osu.Statistics
 
         private class HitPoint : Circle
         {
+            /// <summary>
+            /// The base colour which will be lightened/darkened depending on the value of this <see cref="HitPoint"/>.
+            /// </summary>
+            public Color4 BaseColour;
+
             private readonly HitPointType pointType;
             private readonly AccuracyHeatmap heatmap;
 
@@ -284,7 +289,7 @@ namespace osu.Game.Rulesets.Osu.Statistics
 
                 Alpha = Math.Min(amount / lighten_cutoff, 1);
                 if (pointType == HitPointType.Hit)
-                    Colour = ((Color4)Colour).Lighten(Math.Max(0, amount - lighten_cutoff));
+                    Colour = BaseColour.Lighten(Math.Max(0, amount - lighten_cutoff));
             }
         }
 

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

@@ -40,7 +40,7 @@ namespace osu.Game.Rulesets.Taiko.Tests
 
         [SetUpSteps]
         public void SetUp()
-            => AddStep("clear SHOC", () => hitObjectContainer.Clear(false));
+            => AddStep("clear SHOC", () => hitObjectContainer.Clear());
 
         protected void AddHitObject(DrawableHitObject hitObject)
             => AddStep("add to SHOC", () => hitObjectContainer.Add(hitObject));

osu.Game.Rulesets.Taiko/Edit/Blueprints/HitPlacementBlueprint.cs

@@ -14,10 +14,10 @@ namespace osu.Game.Rulesets.Taiko.Edit.Blueprints
     {
         private readonly HitPiece piece;
 
-        private static Hit hit;
+        public new Hit HitObject => (Hit)base.HitObject;
 
         public HitPlacementBlueprint()
-            : base(hit = new Hit())
+            : base(new Hit())
         {
             InternalChild = piece = new HitPiece
             {
@@ -30,12 +30,12 @@ namespace osu.Game.Rulesets.Taiko.Edit.Blueprints
             switch (e.Button)
             {
                 case MouseButton.Left:
-                    hit.Type = HitType.Centre;
+                    HitObject.Type = HitType.Centre;
                     EndPlacement(true);
                     return true;
 
                 case MouseButton.Right:
-                    hit.Type = HitType.Rim;
+                    HitObject.Type = HitType.Rim;
                     EndPlacement(true);
                     return true;
             }

osu.Game.Rulesets.Taiko/Edit/Blueprints/TaikoSelectionBlueprint.cs

@@ -3,14 +3,14 @@
 
 using osu.Framework.Graphics;
 using osu.Game.Rulesets.Edit;
-using osu.Game.Rulesets.Objects.Drawables;
+using osu.Game.Rulesets.Objects;
 using osuTK;
 
 namespace osu.Game.Rulesets.Taiko.Edit.Blueprints
 {
-    public class TaikoSelectionBlueprint : OverlaySelectionBlueprint
+    public class TaikoSelectionBlueprint : HitObjectSelectionBlueprint
     {
-        public TaikoSelectionBlueprint(DrawableHitObject hitObject)
+        public TaikoSelectionBlueprint(HitObject hitObject)
             : base(hitObject)
         {
             RelativeSizeAxes = Axes.None;

osu.Game.Rulesets.Taiko/Edit/TaikoBlueprintContainer.cs

@@ -3,7 +3,6 @@
 
 using osu.Game.Rulesets.Edit;
 using osu.Game.Rulesets.Objects;
-using osu.Game.Rulesets.Objects.Drawables;
 using osu.Game.Rulesets.Taiko.Edit.Blueprints;
 using osu.Game.Screens.Edit.Compose.Components;
 
@@ -18,7 +17,7 @@ namespace osu.Game.Rulesets.Taiko.Edit
 
         protected override SelectionHandler<HitObject> CreateSelectionHandler() => new TaikoSelectionHandler();
 
-        public override OverlaySelectionBlueprint CreateBlueprintFor(DrawableHitObject hitObject) =>
+        public override HitObjectSelectionBlueprint CreateHitObjectBlueprintFor(HitObject hitObject) =>
             new TaikoSelectionBlueprint(hitObject);
     }
 }

osu.Game.Rulesets.Taiko/Edit/TaikoSelectionHandler.cs

@@ -76,10 +76,10 @@ namespace osu.Game.Rulesets.Taiko.Edit
         protected override IEnumerable<MenuItem> GetContextMenuItemsForSelection(IEnumerable<SelectionBlueprint<HitObject>> selection)
         {
             if (selection.All(s => s.Item is Hit))
-                yield return new TernaryStateMenuItem("Rim") { State = { BindTarget = selectionRimState } };
+                yield return new TernaryStateToggleMenuItem("Rim") { State = { BindTarget = selectionRimState } };
 
             if (selection.All(s => s.Item is TaikoHitObject))
-                yield return new TernaryStateMenuItem("Strong") { State = { BindTarget = selectionStrongState } };
+                yield return new TernaryStateToggleMenuItem("Strong") { State = { BindTarget = selectionStrongState } };
 
             foreach (var item in base.GetContextMenuItemsForSelection(selection))
                 yield return item;

osu.Game.Rulesets.Taiko/Mods/TaikoModHidden.cs

@@ -2,6 +2,7 @@
 // See the LICENCE file in the repository root for full licence text.
 
 using osu.Game.Rulesets.Mods;
+using osu.Game.Rulesets.Objects.Drawables;
 
 namespace osu.Game.Rulesets.Taiko.Mods
 {
@@ -10,5 +11,13 @@ namespace osu.Game.Rulesets.Taiko.Mods
         public override string Description => @"Beats fade out before you hit them!";
         public override double ScoreMultiplier => 1.06;
         public override bool HasImplementation => false;
+
+        protected override void ApplyIncreasedVisibilityState(DrawableHitObject hitObject, ArmedState state)
+        {
+        }
+
+        protected override void ApplyNormalVisibilityState(DrawableHitObject hitObject, ArmedState state)
+        {
+        }
     }
 }

osu.Game.Rulesets.Taiko/Mods/TaikoModRandom.cs

@@ -1,6 +1,8 @@
 // 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.Linq;
 using osu.Framework.Utils;
 using osu.Game.Beatmaps;
 using osu.Game.Rulesets.Mods;
@@ -12,6 +14,7 @@ namespace osu.Game.Rulesets.Taiko.Mods
     public class TaikoModRandom : ModRandom, IApplicableToBeatmap
     {
         public override string Description => @"Shuffle around the colours!";
+        public override Type[] IncompatibleMods => base.IncompatibleMods.Append(typeof(TaikoModSwap)).ToArray();
 
         public void ApplyToBeatmap(IBeatmap beatmap)
         {

osu.Game.Rulesets.Taiko/Mods/TaikoModSwap.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 System;
+using System.Linq;
+using osu.Game.Beatmaps;
+using osu.Game.Rulesets.Mods;
+using osu.Game.Rulesets.Taiko.Beatmaps;
+using osu.Game.Rulesets.Taiko.Objects;
+
+namespace osu.Game.Rulesets.Taiko.Mods
+{
+    public class TaikoModSwap : Mod, IApplicableToBeatmap
+    {
+        public override string Name => "Swap";
+        public override string Acronym => "SW";
+        public override string Description => @"Dons become kats, kats become dons";
+        public override ModType Type => ModType.Conversion;
+        public override double ScoreMultiplier => 1;
+        public override Type[] IncompatibleMods => base.IncompatibleMods.Append(typeof(ModRandom)).ToArray();
+
+        public void ApplyToBeatmap(IBeatmap beatmap)
+        {
+            var taikoBeatmap = (TaikoBeatmap)beatmap;
+
+            foreach (var obj in taikoBeatmap.HitObjects)
+            {
+                if (obj is Hit hit)
+                    hit.Type = hit.Type == HitType.Centre ? HitType.Rim : HitType.Centre;
+            }
+        }
+    }
+}

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

@@ -52,23 +52,18 @@ namespace osu.Game.Rulesets.Taiko.Objects.Drawables
         protected override void OnApply()
         {
             type.BindTo(HitObject.TypeBindable);
-            type.BindValueChanged(_ =>
-            {
-                updateActionsFromType();
-
-                // will overwrite samples, should only be called on subsequent changes
-                // after the initial application.
-                updateSamplesFromTypeChange();
-
-                RecreatePieces();
-            });
-
-            // action update also has to happen immediately on application.
-            updateActionsFromType();
+            // this doesn't need to be run inline as RecreatePieces is called by the base call below.
+            type.BindValueChanged(_ => Scheduler.AddOnce(RecreatePieces));
 
             base.OnApply();
         }
 
+        protected override void RecreatePieces()
+        {
+            updateActionsFromType();
+            base.RecreatePieces();
+        }
+
         protected override void OnFree()
         {
             base.OnFree();
@@ -83,33 +78,6 @@ namespace osu.Game.Rulesets.Taiko.Objects.Drawables
             validActionPressed = pressHandledThisFrame = false;
         }
 
-        private HitSampleInfo[] getRimSamples() => HitObject.Samples.Where(s => s.Name == HitSampleInfo.HIT_CLAP || s.Name == HitSampleInfo.HIT_WHISTLE).ToArray();
-
-        protected override void LoadSamples()
-        {
-            base.LoadSamples();
-
-            type.Value = getRimSamples().Any() ? HitType.Rim : HitType.Centre;
-        }
-
-        private void updateSamplesFromTypeChange()
-        {
-            var rimSamples = getRimSamples();
-
-            bool isRimType = HitObject.Type == HitType.Rim;
-
-            if (isRimType != rimSamples.Any())
-            {
-                if (isRimType)
-                    HitObject.Samples.Add(new HitSampleInfo(HitSampleInfo.HIT_CLAP));
-                else
-                {
-                    foreach (var sample in rimSamples)
-                        HitObject.Samples.Remove(sample);
-                }
-            }
-        }
-
         private void updateActionsFromType()
         {
             HitActions =

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

@@ -137,7 +137,9 @@ namespace osu.Game.Rulesets.Taiko.Objects.Drawables
         {
             Size = BaseSize = new Vector2(TaikoHitObject.DEFAULT_SIZE);
 
-            MainPiece?.Expire();
+            if (MainPiece != null)
+                Content.Remove(MainPiece);
+
             Content.Add(MainPiece = CreateMainPiece());
         }
 

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

@@ -1,11 +1,9 @@
 // Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
 // See the LICENCE file in the repository root for full licence text.
 
-using System.Linq;
 using JetBrains.Annotations;
 using osu.Framework.Bindables;
 using osu.Framework.Graphics.Containers;
-using osu.Game.Audio;
 using osu.Game.Rulesets.Objects;
 using osu.Game.Rulesets.Objects.Drawables;
 using osuTK;
@@ -29,14 +27,8 @@ namespace osu.Game.Rulesets.Taiko.Objects.Drawables
         protected override void OnApply()
         {
             isStrong.BindTo(HitObject.IsStrongBindable);
-            isStrong.BindValueChanged(_ =>
-            {
-                // will overwrite samples, should only be called on subsequent changes
-                // after the initial application.
-                updateSamplesFromStrong();
-
-                RecreatePieces();
-            });
+            // this doesn't need to be run inline as RecreatePieces is called by the base call below.
+            isStrong.BindValueChanged(_ => Scheduler.AddOnce(RecreatePieces));
 
             base.OnApply();
         }
@@ -50,30 +42,6 @@ namespace osu.Game.Rulesets.Taiko.Objects.Drawables
             isStrong.UnbindEvents();
         }
 
-        private HitSampleInfo[] getStrongSamples() => HitObject.Samples.Where(s => s.Name == HitSampleInfo.HIT_FINISH).ToArray();
-
-        protected override void LoadSamples()
-        {
-            base.LoadSamples();
-            isStrong.Value = getStrongSamples().Any();
-        }
-
-        private void updateSamplesFromStrong()
-        {
-            var strongSamples = getStrongSamples();
-
-            if (isStrong.Value != strongSamples.Any())
-            {
-                if (isStrong.Value)
-                    HitObject.Samples.Add(new HitSampleInfo(HitSampleInfo.HIT_FINISH));
-                else
-                {
-                    foreach (var sample in strongSamples)
-                        HitObject.Samples.Remove(sample);
-                }
-            }
-        }
-
         protected override void RecreatePieces()
         {
             base.RecreatePieces();

osu.Game.Rulesets.Taiko/Objects/Hit.cs

@@ -1,7 +1,9 @@
 // Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
 // See the LICENCE file in the repository root for full licence text.
 
+using System.Linq;
 using osu.Framework.Bindables;
+using osu.Game.Audio;
 
 namespace osu.Game.Rulesets.Taiko.Objects
 {
@@ -15,9 +17,36 @@ namespace osu.Game.Rulesets.Taiko.Objects
         public HitType Type
         {
             get => TypeBindable.Value;
-            set => TypeBindable.Value = value;
+            set
+            {
+                TypeBindable.Value = value;
+                updateSamplesFromType();
+            }
         }
 
+        private void updateSamplesFromType()
+        {
+            var rimSamples = getRimSamples();
+
+            bool isRimType = Type == HitType.Rim;
+
+            if (isRimType != rimSamples.Any())
+            {
+                if (isRimType)
+                    Samples.Add(new HitSampleInfo(HitSampleInfo.HIT_CLAP));
+                else
+                {
+                    foreach (var sample in rimSamples)
+                        Samples.Remove(sample);
+                }
+            }
+        }
+
+        /// <summary>
+        /// Returns an array of any samples which would cause this object to be a "rim" type hit.
+        /// </summary>
+        private HitSampleInfo[] getRimSamples() => Samples.Where(s => s.Name == HitSampleInfo.HIT_CLAP || s.Name == HitSampleInfo.HIT_WHISTLE).ToArray();
+
         protected override StrongNestedHitObject CreateStrongNestedHit(double startTime) => new StrongNestedHit { StartTime = startTime };
 
         public class StrongNestedHit : StrongNestedHitObject

osu.Game.Rulesets.Taiko/Objects/TaikoStrongableHitObject.cs

@@ -1,8 +1,10 @@
 // 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 System.Threading;
 using osu.Framework.Bindables;
+using osu.Game.Audio;
 using osu.Game.Rulesets.Objects;
 
 namespace osu.Game.Rulesets.Taiko.Objects
@@ -31,9 +33,31 @@ namespace osu.Game.Rulesets.Taiko.Objects
         public bool IsStrong
         {
             get => IsStrongBindable.Value;
-            set => IsStrongBindable.Value = value;
+            set
+            {
+                IsStrongBindable.Value = value;
+                updateSamplesFromStrong();
+            }
         }
 
+        private void updateSamplesFromStrong()
+        {
+            var strongSamples = getStrongSamples();
+
+            if (IsStrongBindable.Value != strongSamples.Any())
+            {
+                if (IsStrongBindable.Value)
+                    Samples.Add(new HitSampleInfo(HitSampleInfo.HIT_FINISH));
+                else
+                {
+                    foreach (var sample in strongSamples)
+                        Samples.Remove(sample);
+                }
+            }
+        }
+
+        private HitSampleInfo[] getStrongSamples() => Samples.Where(s => s.Name == HitSampleInfo.HIT_FINISH).ToArray();
+
         protected override void CreateNestedHitObjects(CancellationToken cancellationToken)
         {
             base.CreateNestedHitObjects(cancellationToken);

osu.Game.Rulesets.Taiko/TaikoRuleset.cs

@@ -136,6 +136,7 @@ namespace osu.Game.Rulesets.Taiko
                         new TaikoModRandom(),
                         new TaikoModDifficultyAdjust(),
                         new TaikoModClassic(),
+                        new TaikoModSwap(),
                     };
 
                 case ModType.Automation:

osu.Game.Tests/Editing/TestSceneHitObjectContainerEventBuffer.cs

@@ -0,0 +1,175 @@
+// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
+// See the LICENCE file in the repository root for full licence text.
+
+using System;
+using NUnit.Framework;
+using osu.Framework.Graphics;
+using osu.Framework.Testing;
+using osu.Game.Rulesets.Objects;
+using osu.Game.Rulesets.Objects.Drawables;
+using osu.Game.Rulesets.UI;
+using osu.Game.Screens.Edit.Compose;
+using osu.Game.Tests.Visual;
+
+namespace osu.Game.Tests.Editing
+{
+    [HeadlessTest]
+    public class TestSceneHitObjectContainerEventBuffer : OsuTestScene
+    {
+        private readonly TestHitObject testObj = new TestHitObject();
+
+        private TestPlayfield playfield1;
+        private TestPlayfield playfield2;
+        private TestDrawable intermediateDrawable;
+        private HitObjectUsageEventBuffer eventBuffer;
+
+        private HitObject beganUsage;
+        private HitObject finishedUsage;
+        private HitObject transferredUsage;
+
+        [SetUp]
+        public void Setup() => Schedule(() =>
+        {
+            reset();
+
+            if (eventBuffer != null)
+            {
+                eventBuffer.HitObjectUsageBegan -= onHitObjectUsageBegan;
+                eventBuffer.HitObjectUsageFinished -= onHitObjectUsageFinished;
+                eventBuffer.HitObjectUsageTransferred -= onHitObjectUsageTransferred;
+            }
+
+            var topPlayfield = new TestPlayfield();
+            topPlayfield.AddNested(playfield1 = new TestPlayfield());
+            topPlayfield.AddNested(playfield2 = new TestPlayfield());
+
+            eventBuffer = new HitObjectUsageEventBuffer(topPlayfield);
+            eventBuffer.HitObjectUsageBegan += onHitObjectUsageBegan;
+            eventBuffer.HitObjectUsageFinished += onHitObjectUsageFinished;
+            eventBuffer.HitObjectUsageTransferred += onHitObjectUsageTransferred;
+
+            Children = new Drawable[]
+            {
+                topPlayfield,
+                intermediateDrawable = new TestDrawable(),
+            };
+        });
+
+        private void onHitObjectUsageBegan(HitObject obj) => beganUsage = obj;
+
+        private void onHitObjectUsageFinished(HitObject obj) => finishedUsage = obj;
+
+        private void onHitObjectUsageTransferred(HitObject obj, DrawableHitObject drawableObj) => transferredUsage = obj;
+
+        [Test]
+        public void TestUsageBeganAfterAdd()
+        {
+            AddStep("add hitobject", () => playfield1.Add(testObj));
+            addCheckStep(began: true);
+        }
+
+        [Test]
+        public void TestUsageFinishedAfterRemove()
+        {
+            AddStep("add hitobject", () => playfield1.Add(testObj));
+            addResetStep();
+            AddStep("remove hitobject", () => playfield1.Remove(testObj));
+            addCheckStep(finished: true);
+        }
+
+        [Test]
+        public void TestUsageTransferredWhenMovedBetweenPlayfields()
+        {
+            AddStep("add hitobject", () => playfield1.Add(testObj));
+            addResetStep();
+            AddStep("transfer hitobject to other playfield", () =>
+            {
+                playfield1.Remove(testObj);
+                playfield2.Add(testObj);
+            });
+
+            addCheckStep(transferred: true);
+        }
+
+        [Test]
+        public void TestRemoveImmediatelyAfterUsageBegan()
+        {
+            AddStep("add hitobject and schedule removal", () =>
+            {
+                playfield1.Add(testObj);
+                intermediateDrawable.Schedule(() => playfield1.Remove(testObj));
+            });
+
+            addCheckStep(began: true, finished: true);
+        }
+
+        [Test]
+        public void TestRemoveImmediatelyAfterTransferred()
+        {
+            AddStep("add hitobject", () => playfield1.Add(testObj));
+            addResetStep();
+            AddStep("transfer hitobject to other playfield and schedule removal", () =>
+            {
+                playfield1.Remove(testObj);
+                playfield2.Add(testObj);
+                intermediateDrawable.Schedule(() => playfield2.Remove(testObj));
+            });
+
+            addCheckStep(transferred: true, finished: true);
+        }
+
+        protected override void UpdateAfterChildren()
+        {
+            base.UpdateAfterChildren();
+            eventBuffer.Update();
+        }
+
+        private void addResetStep() => AddStep("reset", reset);
+
+        private void reset()
+        {
+            beganUsage = null;
+            finishedUsage = null;
+            transferredUsage = null;
+        }
+
+        private void addCheckStep(bool began = false, bool finished = false, bool transferred = false)
+            => AddAssert($"began = {began}, finished = {finished}, transferred = {transferred}",
+                () => (beganUsage == testObj) == began && (finishedUsage == testObj) == finished && (transferredUsage == testObj) == transferred);
+
+        private class TestPlayfield : Playfield
+        {
+            public TestPlayfield()
+            {
+                RegisterPool<TestHitObject, TestDrawableHitObject>(1);
+            }
+
+            public new void AddNested(Playfield playfield)
+            {
+                AddInternal(playfield);
+                base.AddNested(playfield);
+            }
+
+            protected override HitObjectLifetimeEntry CreateLifetimeEntry(HitObject hitObject)
+            {
+                var entry = base.CreateLifetimeEntry(hitObject);
+                entry.KeepAlive = true;
+                return entry;
+            }
+        }
+
+        private class TestHitObject : HitObject
+        {
+            public override string ToString() => "TestHitObject";
+        }
+
+        private class TestDrawableHitObject : DrawableHitObject
+        {
+        }
+
+        private class TestDrawable : Drawable
+        {
+            public new void Schedule(Action action) => base.Schedule(action);
+        }
+    }
+}

osu.Game.Tests/Gameplay/TestSceneDrawableHitObject.cs

@@ -45,15 +45,16 @@ namespace osu.Game.Tests.Gameplay
             AddStep("Create DHO", () =>
             {
                 dho = new TestDrawableHitObject(null);
-                dho.Apply(entry = new TestLifetimeEntry(new HitObject())
-                {
-                    LifetimeStart = 0,
-                    LifetimeEnd = 1000,
-                });
+                dho.Apply(entry = new TestLifetimeEntry(new HitObject()));
                 Child = dho;
             });
 
-            AddStep("KeepAlive = true", () => entry.KeepAlive = true);
+            AddStep("KeepAlive = true", () =>
+            {
+                entry.LifetimeStart = 0;
+                entry.LifetimeEnd = 1000;
+                entry.KeepAlive = true;
+            });
             AddAssert("Lifetime is overriden", () => entry.LifetimeStart == double.MinValue && entry.LifetimeEnd == double.MaxValue);
 
             AddStep("Set LifetimeStart", () => dho.LifetimeStart = 500);

osu.Game.Tests/Gameplay/TestSceneProxyContainer.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 System.Collections.Generic;
+using NUnit.Framework;
+using osu.Framework.Graphics;
+using osu.Framework.Graphics.Containers;
+using osu.Framework.Testing;
+using osu.Framework.Timing;
+using osu.Game.Rulesets.Objects;
+using osu.Game.Rulesets.Objects.Drawables;
+using osu.Game.Rulesets.UI;
+using osu.Game.Tests.Visual;
+
+namespace osu.Game.Tests.Gameplay
+{
+    [HeadlessTest]
+    public class TestSceneProxyContainer : OsuTestScene
+    {
+        private HitObjectContainer hitObjectContainer;
+        private ProxyContainer proxyContainer;
+        private readonly ManualClock clock = new ManualClock();
+
+        [SetUp]
+        public void SetUp() => Schedule(() =>
+        {
+            Child = new Container
+            {
+                Children = new Drawable[]
+                {
+                    hitObjectContainer = new HitObjectContainer(),
+                    proxyContainer = new ProxyContainer()
+                },
+                Clock = new FramedClock(clock)
+            };
+            clock.CurrentTime = 0;
+        });
+
+        [Test]
+        public void TestProxyLifetimeManagement()
+        {
+            AddStep("Add proxy drawables", () =>
+            {
+                addProxy(new TestDrawableHitObject(1000));
+                addProxy(new TestDrawableHitObject(3000));
+                addProxy(new TestDrawableHitObject(5000));
+            });
+
+            AddStep("time = 1000", () => clock.CurrentTime = 1000);
+            AddAssert("One proxy is alive", () => proxyContainer.AliveChildren.Count == 1);
+            AddStep("time = 5000", () => clock.CurrentTime = 5000);
+            AddAssert("One proxy is alive", () => proxyContainer.AliveChildren.Count == 1);
+            AddStep("time = 6000", () => clock.CurrentTime = 6000);
+            AddAssert("No proxy is alive", () => proxyContainer.AliveChildren.Count == 0);
+        }
+
+        private void addProxy(DrawableHitObject drawableHitObject)
+        {
+            hitObjectContainer.Add(drawableHitObject);
+            proxyContainer.AddProxy(drawableHitObject);
+        }
+
+        private class ProxyContainer : LifetimeManagementContainer
+        {
+            public IReadOnlyList<Drawable> AliveChildren => AliveInternalChildren;
+
+            public void AddProxy(Drawable d) => AddInternal(d.CreateProxy());
+        }
+
+        private class TestDrawableHitObject : DrawableHitObject
+        {
+            protected override double InitialLifetimeOffset => 100;
+
+            public TestDrawableHitObject(double startTime)
+                : base(new HitObject { StartTime = startTime })
+            {
+            }
+
+            protected override void UpdateInitialTransforms()
+            {
+                LifetimeEnd = LifetimeStart + 500;
+            }
+        }
+    }
+}

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

@@ -63,7 +63,7 @@ namespace osu.Game.Tests.Visual.Gameplay
         private void seekToBreak(int breakIndex)
         {
             AddStep($"seek to break {breakIndex}", () => Player.GameplayClockContainer.Seek(destBreak().StartTime));
-            AddUntilStep("wait for seek to complete", () => Player.HUDOverlay.Progress.ReferenceClock.CurrentTime >= destBreak().StartTime);
+            AddUntilStep("wait for seek to complete", () => Player.DrawableRuleset.FrameStableClock.CurrentTime >= destBreak().StartTime);
 
             BreakPeriod destBreak() => Beatmap.Value.Beatmap.Breaks.ElementAt(breakIndex);
         }

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

@@ -1,6 +1,9 @@
 // Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
 // See the LICENCE file in the repository root for full licence text.
 
+using System;
+using System.Collections.Generic;
+using System.Diagnostics.CodeAnalysis;
 using NUnit.Framework;
 using osu.Framework.Allocation;
 using osu.Framework.Graphics;
@@ -11,29 +14,35 @@ using osu.Game.Graphics.Sprites;
 using osu.Game.Rulesets.Catch.Scoring;
 using osu.Game.Rulesets.Judgements;
 using osu.Game.Rulesets.Mania.Scoring;
+using osu.Game.Rulesets.Mods;
+using osu.Game.Rulesets.Objects;
+using osu.Game.Rulesets.Osu;
 using osu.Game.Rulesets.Osu.Objects;
 using osu.Game.Rulesets.Osu.Scoring;
 using osu.Game.Rulesets.Scoring;
 using osu.Game.Rulesets.Taiko.Scoring;
+using osu.Game.Rulesets.UI;
+using osu.Game.Scoring;
 using osu.Game.Screens.Play.HUD.HitErrorMeters;
 
 namespace osu.Game.Tests.Visual.Gameplay
 {
     public class TestSceneHitErrorMeter : OsuTestScene
     {
-        private HitWindows hitWindows;
-
         [Cached]
         private ScoreProcessor scoreProcessor = new ScoreProcessor();
 
+        [Cached(typeof(DrawableRuleset))]
+        private TestDrawableRuleset drawableRuleset = new TestDrawableRuleset();
+
         public TestSceneHitErrorMeter()
         {
             recreateDisplay(new OsuHitWindows(), 5);
 
             AddRepeatStep("New random judgement", () => newJudgement(), 40);
 
-            AddRepeatStep("New max negative", () => newJudgement(-hitWindows.WindowFor(HitResult.Meh)), 20);
-            AddRepeatStep("New max positive", () => newJudgement(hitWindows.WindowFor(HitResult.Meh)), 20);
+            AddRepeatStep("New max negative", () => newJudgement(-drawableRuleset.HitWindows.WindowFor(HitResult.Meh)), 20);
+            AddRepeatStep("New max positive", () => newJudgement(drawableRuleset.HitWindows.WindowFor(HitResult.Meh)), 20);
             AddStep("New fixed judgement (50ms)", () => newJudgement(50));
 
             AddStep("Judgement barrage", () =>
@@ -83,10 +92,10 @@ namespace osu.Game.Tests.Visual.Gameplay
 
         private void recreateDisplay(HitWindows hitWindows, float overallDifficulty)
         {
-            this.hitWindows = hitWindows;
-
             hitWindows?.SetDifficulty(overallDifficulty);
 
+            drawableRuleset.HitWindows = hitWindows;
+
             Clear();
 
             Add(new FillFlowContainer
@@ -103,40 +112,40 @@ namespace osu.Game.Tests.Visual.Gameplay
                 }
             });
 
-            Add(new BarHitErrorMeter(hitWindows, true)
+            Add(new BarHitErrorMeter
             {
                 Anchor = Anchor.CentreRight,
                 Origin = Anchor.CentreRight,
             });
 
-            Add(new BarHitErrorMeter(hitWindows, false)
+            Add(new BarHitErrorMeter
             {
                 Anchor = Anchor.CentreLeft,
                 Origin = Anchor.CentreLeft,
             });
 
-            Add(new BarHitErrorMeter(hitWindows, true)
+            Add(new BarHitErrorMeter
             {
                 Anchor = Anchor.BottomCentre,
                 Origin = Anchor.CentreLeft,
                 Rotation = 270,
             });
 
-            Add(new ColourHitErrorMeter(hitWindows)
+            Add(new ColourHitErrorMeter
             {
                 Anchor = Anchor.CentreRight,
                 Origin = Anchor.CentreRight,
                 Margin = new MarginPadding { Right = 50 }
             });
 
-            Add(new ColourHitErrorMeter(hitWindows)
+            Add(new ColourHitErrorMeter
             {
                 Anchor = Anchor.CentreLeft,
                 Origin = Anchor.CentreLeft,
                 Margin = new MarginPadding { Left = 50 }
             });
 
-            Add(new ColourHitErrorMeter(hitWindows)
+            Add(new ColourHitErrorMeter
             {
                 Anchor = Anchor.BottomCentre,
                 Origin = Anchor.CentreLeft,
@@ -147,11 +156,47 @@ namespace osu.Game.Tests.Visual.Gameplay
 
         private void newJudgement(double offset = 0)
         {
-            scoreProcessor.ApplyResult(new JudgementResult(new HitCircle { HitWindows = hitWindows }, new Judgement())
+            scoreProcessor.ApplyResult(new JudgementResult(new HitCircle { HitWindows = drawableRuleset.HitWindows }, new Judgement())
             {
                 TimeOffset = offset == 0 ? RNG.Next(-150, 150) : offset,
                 Type = HitResult.Perfect,
             });
         }
+
+        [SuppressMessage("ReSharper", "UnassignedGetOnlyAutoProperty")]
+        private class TestDrawableRuleset : DrawableRuleset
+        {
+            public HitWindows HitWindows;
+
+            public override IEnumerable<HitObject> Objects => new[] { new HitCircle { HitWindows = HitWindows } };
+
+            public override event Action<JudgementResult> NewResult;
+            public override event Action<JudgementResult> RevertResult;
+
+            public override Playfield Playfield { get; }
+            public override Container Overlays { get; }
+            public override Container FrameStableComponents { get; }
+            public override IFrameStableClock FrameStableClock { get; }
+            public override IReadOnlyList<Mod> Mods { get; }
+
+            public override double GameplayStartTime { get; }
+            public override GameplayCursorContainer Cursor { get; }
+
+            public TestDrawableRuleset()
+                : base(new OsuRuleset())
+            {
+                // won't compile without this.
+                NewResult?.Invoke(null);
+                RevertResult?.Invoke(null);
+            }
+
+            public override void SetReplayScore(Score replayScore) => throw new NotImplementedException();
+
+            public override void SetRecordTarget(Score score) => throw new NotImplementedException();
+
+            public override void RequestResume(Action continueResume) => throw new NotImplementedException();
+
+            public override void CancelResume() => throw new NotImplementedException();
+        }
     }
 }

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

@@ -27,8 +27,8 @@ namespace osu.Game.Tests.Visual.Gameplay
     {
         private readonly User streamingUser = new User { Id = MultiplayerTestScene.PLAYER_1_ID, Username = "Test user" };
 
-        [Cached(typeof(SpectatorStreamingClient))]
-        private TestSpectatorStreamingClient testSpectatorStreamingClient = new TestSpectatorStreamingClient();
+        [Cached(typeof(SpectatorClient))]
+        private TestSpectatorClient testSpectatorClient = new TestSpectatorClient();
 
         [Cached(typeof(UserLookupCache))]
         private UserLookupCache lookupCache = new TestUserLookupCache();
@@ -61,8 +61,8 @@ namespace osu.Game.Tests.Visual.Gameplay
 
             AddStep("add streaming client", () =>
             {
-                Remove(testSpectatorStreamingClient);
-                Add(testSpectatorStreamingClient);
+                Remove(testSpectatorClient);
+                Add(testSpectatorClient);
             });
 
             finish();
@@ -212,9 +212,9 @@ namespace osu.Game.Tests.Visual.Gameplay
 
         private void waitForPlayer() => AddUntilStep("wait for player", () => Stack.CurrentScreen is Player);
 
-        private void start(int? beatmapId = null) => AddStep("start play", () => testSpectatorStreamingClient.StartPlay(streamingUser.Id, beatmapId ?? importedBeatmapId));
+        private void start(int? beatmapId = null) => AddStep("start play", () => testSpectatorClient.StartPlay(streamingUser.Id, beatmapId ?? importedBeatmapId));
 
-        private void finish(int? beatmapId = null) => AddStep("end play", () => testSpectatorStreamingClient.EndPlay(streamingUser.Id, beatmapId ?? importedBeatmapId));
+        private void finish() => AddStep("end play", () => testSpectatorClient.EndPlay(streamingUser.Id));
 
         private void checkPaused(bool state) =>
             AddUntilStep($"game is {(state ? "paused" : "playing")}", () => player.ChildrenOfType<DrawableRuleset>().First().IsPaused.Value == state);
@@ -223,7 +223,7 @@ namespace osu.Game.Tests.Visual.Gameplay
         {
             AddStep("send frames", () =>
             {
-                testSpectatorStreamingClient.SendFrames(streamingUser.Id, nextFrame, count);
+                testSpectatorClient.SendFrames(streamingUser.Id, nextFrame, count);
                 nextFrame += count;
             });
         }

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

@@ -59,7 +59,7 @@ namespace osu.Game.Tests.Visual.Gameplay
         private IAPIProvider api { get; set; }
 
         [Resolved]
-        private SpectatorStreamingClient streamingClient { get; set; }
+        private SpectatorClient spectatorClient { get; set; }
 
         [Cached]
         private GameplayBeatmap gameplayBeatmap = new GameplayBeatmap(new Beatmap());
@@ -69,7 +69,7 @@ namespace osu.Game.Tests.Visual.Gameplay
         {
             replay = new Replay();
 
-            users.BindTo(streamingClient.PlayingUsers);
+            users.BindTo(spectatorClient.PlayingUsers);
             users.BindCollectionChanged((obj, args) =>
             {
                 switch (args.Action)
@@ -80,7 +80,7 @@ namespace osu.Game.Tests.Visual.Gameplay
                         foreach (int user in args.NewItems)
                         {
                             if (user == api.LocalUser.Value.Id)
-                                streamingClient.WatchUser(user);
+                                spectatorClient.WatchUser(user);
                         }
 
                         break;
@@ -91,14 +91,14 @@ namespace osu.Game.Tests.Visual.Gameplay
                         foreach (int user in args.OldItems)
                         {
                             if (user == api.LocalUser.Value.Id)
-                                streamingClient.StopWatchingUser(user);
+                                spectatorClient.StopWatchingUser(user);
                         }
 
                         break;
                 }
             }, true);
 
-            streamingClient.OnNewFrames += onNewFrames;
+            spectatorClient.OnNewFrames += onNewFrames;
 
             Add(new GridContainer
             {
@@ -189,7 +189,7 @@ namespace osu.Game.Tests.Visual.Gameplay
         {
         }
 
-        private double latency = SpectatorStreamingClient.TIME_BETWEEN_SENDS;
+        private double latency = SpectatorClient.TIME_BETWEEN_SENDS;
 
         protected override void Update()
         {
@@ -233,7 +233,7 @@ namespace osu.Game.Tests.Visual.Gameplay
             AddStep("stop recorder", () =>
             {
                 recorder.Expire();
-                streamingClient.OnNewFrames -= onNewFrames;
+                spectatorClient.OnNewFrames -= onNewFrames;
             });
         }
 

osu.Game.Tests/Visual/Multiplayer/TestSceneMultiSpectatorLeaderboard.cs

@@ -23,8 +23,8 @@ namespace osu.Game.Tests.Visual.Multiplayer
 {
     public class TestSceneMultiSpectatorLeaderboard : MultiplayerTestScene
     {
-        [Cached(typeof(SpectatorStreamingClient))]
-        private TestSpectatorStreamingClient streamingClient = new TestSpectatorStreamingClient();
+        [Cached(typeof(SpectatorClient))]
+        private TestSpectatorClient spectatorClient = new TestSpectatorClient();
 
         [Cached(typeof(UserLookupCache))]
         private UserLookupCache lookupCache = new TestUserLookupCache();
@@ -42,7 +42,7 @@ namespace osu.Game.Tests.Visual.Multiplayer
         {
             base.Content.AddRange(new Drawable[]
             {
-                streamingClient,
+                spectatorClient,
                 lookupCache,
                 content = new Container { RelativeSizeAxes = Axes.Both }
             });
@@ -59,7 +59,7 @@ namespace osu.Game.Tests.Visual.Multiplayer
 
                 foreach (var (userId, clock) in clocks)
                 {
-                    streamingClient.EndPlay(userId, 0);
+                    spectatorClient.EndPlay(userId);
                     clock.CurrentTime = 0;
                 }
             });
@@ -67,7 +67,7 @@ namespace osu.Game.Tests.Visual.Multiplayer
             AddStep("create leaderboard", () =>
             {
                 foreach (var (userId, _) in clocks)
-                    streamingClient.StartPlay(userId, 0);
+                    spectatorClient.StartPlay(userId, 0);
 
                 Beatmap.Value = CreateWorkingBeatmap(Ruleset.Value);
 
@@ -96,10 +96,10 @@ namespace osu.Game.Tests.Visual.Multiplayer
                 // For player 2, send frames in sets of 10.
                 for (int i = 0; i < 100; i++)
                 {
-                    streamingClient.SendFrames(PLAYER_1_ID, i, 1);
+                    spectatorClient.SendFrames(PLAYER_1_ID, i, 1);
 
                     if (i % 10 == 0)
-                        streamingClient.SendFrames(PLAYER_2_ID, i, 10);
+                        spectatorClient.SendFrames(PLAYER_2_ID, i, 10);
                 }
             });
 

osu.Game.Tests/Visual/Multiplayer/TestSceneMultiSpectatorScreen.cs

@@ -22,8 +22,8 @@ namespace osu.Game.Tests.Visual.Multiplayer
 {
     public class TestSceneMultiSpectatorScreen : MultiplayerTestScene
     {
-        [Cached(typeof(SpectatorStreamingClient))]
-        private TestSpectatorStreamingClient streamingClient = new TestSpectatorStreamingClient();
+        [Cached(typeof(SpectatorClient))]
+        private TestSpectatorClient spectatorClient = new TestSpectatorClient();
 
         [Cached(typeof(UserLookupCache))]
         private UserLookupCache lookupCache = new TestUserLookupCache();
@@ -59,14 +59,14 @@ namespace osu.Game.Tests.Visual.Multiplayer
 
             AddStep("add streaming client", () =>
             {
-                Remove(streamingClient);
-                Add(streamingClient);
+                Remove(spectatorClient);
+                Add(spectatorClient);
             });
 
             AddStep("finish previous gameplay", () =>
             {
                 foreach (var id in playingUserIds)
-                    streamingClient.EndPlay(id, importedBeatmapId);
+                    spectatorClient.EndPlay(id);
                 playingUserIds.Clear();
             });
         }
@@ -87,11 +87,11 @@ namespace osu.Game.Tests.Visual.Multiplayer
             loadSpectateScreen(false);
 
             AddWaitStep("wait a bit", 10);
-            AddStep("load player first_player_id", () => streamingClient.StartPlay(PLAYER_1_ID, importedBeatmapId));
+            AddStep("load player first_player_id", () => spectatorClient.StartPlay(PLAYER_1_ID, importedBeatmapId));
             AddUntilStep("one player added", () => spectatorScreen.ChildrenOfType<Player>().Count() == 1);
 
             AddWaitStep("wait a bit", 10);
-            AddStep("load player second_player_id", () => streamingClient.StartPlay(PLAYER_2_ID, importedBeatmapId));
+            AddStep("load player second_player_id", () => spectatorClient.StartPlay(PLAYER_2_ID, importedBeatmapId));
             AddUntilStep("two players added", () => spectatorScreen.ChildrenOfType<Player>().Count() == 2);
         }
 
@@ -251,18 +251,18 @@ namespace osu.Game.Tests.Visual.Multiplayer
                 foreach (int id in userIds)
                 {
                     Client.CurrentMatchPlayingUserIds.Add(id);
-                    streamingClient.StartPlay(id, beatmapId ?? importedBeatmapId);
+                    spectatorClient.StartPlay(id, beatmapId ?? importedBeatmapId);
                     playingUserIds.Add(id);
                     nextFrame[id] = 0;
                 }
             });
         }
 
-        private void finish(int userId, int? beatmapId = null)
+        private void finish(int userId)
         {
             AddStep("end play", () =>
             {
-                streamingClient.EndPlay(userId, beatmapId ?? importedBeatmapId);
+                spectatorClient.EndPlay(userId);
                 playingUserIds.Remove(userId);
                 nextFrame.Remove(userId);
             });
@@ -276,7 +276,7 @@ namespace osu.Game.Tests.Visual.Multiplayer
             {
                 foreach (int id in userIds)
                 {
-                    streamingClient.SendFrames(id, nextFrame[id], count);
+                    spectatorClient.SendFrames(id, nextFrame[id], count);
                     nextFrame[id] += count;
                 }
             });

osu.Game.Tests/Visual/Multiplayer/TestSceneMultiplayer.cs

@@ -195,7 +195,7 @@ namespace osu.Game.Tests.Visual.Multiplayer
 
         private class TestMultiplayer : Screens.OnlinePlay.Multiplayer.Multiplayer
         {
-            [Cached(typeof(StatefulMultiplayerClient))]
+            [Cached(typeof(MultiplayerClient))]
             public readonly TestMultiplayerClient Client;
 
             public TestMultiplayer()

osu.Game.Tests/Visual/Multiplayer/TestSceneMultiplayerGameplayLeaderboard.cs

@@ -28,8 +28,8 @@ namespace osu.Game.Tests.Visual.Multiplayer
     {
         private const int users = 16;
 
-        [Cached(typeof(SpectatorStreamingClient))]
-        private TestMultiplayerStreaming streamingClient = new TestMultiplayerStreaming();
+        [Cached(typeof(SpectatorClient))]
+        private TestMultiplayerSpectatorClient spectatorClient = new TestMultiplayerSpectatorClient();
 
         [Cached(typeof(UserLookupCache))]
         private UserLookupCache lookupCache = new TestSceneCurrentlyPlayingDisplay.TestUserLookupCache();
@@ -44,7 +44,7 @@ namespace osu.Game.Tests.Visual.Multiplayer
         {
             base.Content.Children = new Drawable[]
             {
-                streamingClient,
+                spectatorClient,
                 lookupCache,
                 Content
             };
@@ -71,10 +71,10 @@ namespace osu.Game.Tests.Visual.Multiplayer
                 var playable = Beatmap.Value.GetPlayableBeatmap(Ruleset.Value);
 
                 for (int i = 0; i < users; i++)
-                    streamingClient.StartPlay(i, Beatmap.Value.BeatmapInfo.OnlineBeatmapID ?? 0);
+                    spectatorClient.StartPlay(i, Beatmap.Value.BeatmapInfo.OnlineBeatmapID ?? 0);
 
                 Client.CurrentMatchPlayingUserIds.Clear();
-                Client.CurrentMatchPlayingUserIds.AddRange(streamingClient.PlayingUsers);
+                Client.CurrentMatchPlayingUserIds.AddRange(spectatorClient.PlayingUsers);
 
                 Children = new Drawable[]
                 {
@@ -83,7 +83,7 @@ namespace osu.Game.Tests.Visual.Multiplayer
 
                 scoreProcessor.ApplyBeatmap(playable);
 
-                LoadComponentAsync(leaderboard = new MultiplayerGameplayLeaderboard(scoreProcessor, streamingClient.PlayingUsers.ToArray())
+                LoadComponentAsync(leaderboard = new MultiplayerGameplayLeaderboard(scoreProcessor, spectatorClient.PlayingUsers.ToArray())
                 {
                     Anchor = Anchor.Centre,
                     Origin = Anchor.Centre,
@@ -96,7 +96,7 @@ namespace osu.Game.Tests.Visual.Multiplayer
         [Test]
         public void TestScoreUpdates()
         {
-            AddRepeatStep("update state", () => streamingClient.RandomlyUpdateState(), 100);
+            AddRepeatStep("update state", () => spectatorClient.RandomlyUpdateState(), 100);
             AddToggleStep("switch compact mode", expanded => leaderboard.Expanded.Value = expanded);
         }
 
@@ -109,12 +109,12 @@ namespace osu.Game.Tests.Visual.Multiplayer
         [Test]
         public void TestChangeScoringMode()
         {
-            AddRepeatStep("update state", () => streamingClient.RandomlyUpdateState(), 5);
+            AddRepeatStep("update state", () => spectatorClient.RandomlyUpdateState(), 5);
             AddStep("change to classic", () => config.SetValue(OsuSetting.ScoreDisplayMode, ScoringMode.Classic));
             AddStep("change to standardised", () => config.SetValue(OsuSetting.ScoreDisplayMode, ScoringMode.Standardised));
         }
 
-        public class TestMultiplayerStreaming : TestSpectatorStreamingClient
+        public class TestMultiplayerSpectatorClient : TestSpectatorClient
         {
             private readonly Dictionary<int, FrameHeader> lastHeaders = new Dictionary<int, FrameHeader>();
 

osu.Game.Tests/Visual/Navigation/TestScenePerformFromScreen.cs

@@ -11,8 +11,8 @@ using osu.Game.Overlays;
 using osu.Game.Screens;
 using osu.Game.Screens.Menu;
 using osu.Game.Screens.Play;
-using osu.Game.Screens.Select;
 using osuTK.Input;
+using static osu.Game.Tests.Visual.Navigation.TestSceneScreenNavigation;
 
 namespace osu.Game.Tests.Visual.Navigation
 {
@@ -37,17 +37,17 @@ namespace osu.Game.Tests.Visual.Navigation
         [Test]
         public void TestPerformAtSongSelect()
         {
-            PushAndConfirm(() => new PlaySongSelect());
+            PushAndConfirm(() => new TestPlaySongSelect());
 
-            AddStep("perform immediately", () => Game.PerformFromScreen(_ => actionPerformed = true, new[] { typeof(PlaySongSelect) }));
+            AddStep("perform immediately", () => Game.PerformFromScreen(_ => actionPerformed = true, new[] { typeof(TestPlaySongSelect) }));
             AddAssert("did perform", () => actionPerformed);
-            AddAssert("screen didn't change", () => Game.ScreenStack.CurrentScreen is PlaySongSelect);
+            AddAssert("screen didn't change", () => Game.ScreenStack.CurrentScreen is TestPlaySongSelect);
         }
 
         [Test]
         public void TestPerformAtMenuFromSongSelect()
         {
-            PushAndConfirm(() => new PlaySongSelect());
+            PushAndConfirm(() => new TestPlaySongSelect());
 
             AddStep("try to perform", () => Game.PerformFromScreen(_ => actionPerformed = true));
             AddUntilStep("returned to menu", () => Game.ScreenStack.CurrentScreen is MainMenu);
@@ -57,18 +57,18 @@ namespace osu.Game.Tests.Visual.Navigation
         [Test]
         public void TestPerformAtSongSelectFromPlayerLoader()
         {
-            PushAndConfirm(() => new PlaySongSelect());
+            PushAndConfirm(() => new TestPlaySongSelect());
             PushAndConfirm(() => new PlayerLoader(() => new SoloPlayer()));
 
-            AddStep("try to perform", () => Game.PerformFromScreen(_ => actionPerformed = true, new[] { typeof(PlaySongSelect) }));
-            AddUntilStep("returned to song select", () => Game.ScreenStack.CurrentScreen is PlaySongSelect);
+            AddStep("try to perform", () => Game.PerformFromScreen(_ => actionPerformed = true, new[] { typeof(TestPlaySongSelect) }));
+            AddUntilStep("returned to song select", () => Game.ScreenStack.CurrentScreen is TestPlaySongSelect);
             AddAssert("did perform", () => actionPerformed);
         }
 
         [Test]
         public void TestPerformAtMenuFromPlayerLoader()
         {
-            PushAndConfirm(() => new PlaySongSelect());
+            PushAndConfirm(() => new TestPlaySongSelect());
             PushAndConfirm(() => new PlayerLoader(() => new SoloPlayer()));
 
             AddStep("try to perform", () => Game.PerformFromScreen(_ => actionPerformed = true));

osu.Game.Tests/Visual/Navigation/TestSceneScreenNavigation.cs

@@ -34,9 +34,9 @@ namespace osu.Game.Tests.Visual.Navigation
         [Test]
         public void TestExitSongSelectWithEscape()
         {
-            TestSongSelect songSelect = null;
+            TestPlaySongSelect songSelect = null;
 
-            PushAndConfirm(() => songSelect = new TestSongSelect());
+            PushAndConfirm(() => songSelect = new TestPlaySongSelect());
             AddStep("Show mods overlay", () => songSelect.ModSelectOverlay.Show());
             AddAssert("Overlay was shown", () => songSelect.ModSelectOverlay.State.Value == Visibility.Visible);
             pushEscape();
@@ -51,9 +51,9 @@ namespace osu.Game.Tests.Visual.Navigation
         [Test]
         public void TestOpenModSelectOverlayUsingAction()
         {
-            TestSongSelect songSelect = null;
+            TestPlaySongSelect songSelect = null;
 
-            PushAndConfirm(() => songSelect = new TestSongSelect());
+            PushAndConfirm(() => songSelect = new TestPlaySongSelect());
             AddStep("Show mods overlay", () => InputManager.Key(Key.F1));
             AddAssert("Overlay was shown", () => songSelect.ModSelectOverlay.State.Value == Visibility.Visible);
         }
@@ -63,7 +63,7 @@ namespace osu.Game.Tests.Visual.Navigation
         {
             Player player = null;
 
-            PushAndConfirm(() => new TestSongSelect());
+            PushAndConfirm(() => new TestPlaySongSelect());
 
             AddStep("import beatmap", () => ImportBeatmapTest.LoadQuickOszIntoOsu(Game).Wait());
 
@@ -89,7 +89,7 @@ namespace osu.Game.Tests.Visual.Navigation
 
             WorkingBeatmap beatmap() => Game.Beatmap.Value;
 
-            PushAndConfirm(() => new TestSongSelect());
+            PushAndConfirm(() => new TestPlaySongSelect());
 
             AddStep("import beatmap", () => ImportBeatmapTest.LoadQuickOszIntoOsu(Game).Wait());
 
@@ -113,7 +113,7 @@ namespace osu.Game.Tests.Visual.Navigation
 
             WorkingBeatmap beatmap() => Game.Beatmap.Value;
 
-            PushAndConfirm(() => new TestSongSelect());
+            PushAndConfirm(() => new TestPlaySongSelect());
 
             AddStep("import beatmap", () => ImportBeatmapTest.LoadOszIntoOsu(Game, virtualTrack: true).Wait());
 
@@ -139,9 +139,9 @@ namespace osu.Game.Tests.Visual.Navigation
         [Test]
         public void TestMenuMakesMusic()
         {
-            TestSongSelect songSelect = null;
+            TestPlaySongSelect songSelect = null;
 
-            PushAndConfirm(() => songSelect = new TestSongSelect());
+            PushAndConfirm(() => songSelect = new TestPlaySongSelect());
 
             AddUntilStep("wait for no track", () => Game.MusicController.CurrentTrack.IsDummyDevice);
 
@@ -153,9 +153,9 @@ namespace osu.Game.Tests.Visual.Navigation
         [Test]
         public void TestExitSongSelectWithClick()
         {
-            TestSongSelect songSelect = null;
+            TestPlaySongSelect songSelect = null;
 
-            PushAndConfirm(() => songSelect = new TestSongSelect());
+            PushAndConfirm(() => songSelect = new TestPlaySongSelect());
             AddStep("Show mods overlay", () => songSelect.ModSelectOverlay.Show());
             AddAssert("Overlay was shown", () => songSelect.ModSelectOverlay.State.Value == Visibility.Visible);
             AddStep("Move mouse to backButton", () => InputManager.MoveMouseTo(backButtonPosition));
@@ -213,9 +213,9 @@ namespace osu.Game.Tests.Visual.Navigation
         [Test]
         public void TestModSelectInput()
         {
-            TestSongSelect songSelect = null;
+            TestPlaySongSelect songSelect = null;
 
-            PushAndConfirm(() => songSelect = new TestSongSelect());
+            PushAndConfirm(() => songSelect = new TestPlaySongSelect());
 
             AddStep("Show mods overlay", () => songSelect.ModSelectOverlay.Show());
 
@@ -234,9 +234,9 @@ namespace osu.Game.Tests.Visual.Navigation
         [Test]
         public void TestBeatmapOptionsInput()
         {
-            TestSongSelect songSelect = null;
+            TestPlaySongSelect songSelect = null;
 
-            PushAndConfirm(() => songSelect = new TestSongSelect());
+            PushAndConfirm(() => songSelect = new TestPlaySongSelect());
 
             AddStep("Show options overlay", () => songSelect.BeatmapOptionsOverlay.Show());
 
@@ -312,11 +312,13 @@ namespace osu.Game.Tests.Visual.Navigation
             ConfirmAtMainMenu();
         }
 
-        private class TestSongSelect : PlaySongSelect
+        public class TestPlaySongSelect : PlaySongSelect
         {
             public ModSelectOverlay ModSelectOverlay => ModSelect;
 
             public BeatmapOptionsOverlay BeatmapOptionsOverlay => BeatmapOptions;
+
+            protected override bool DisplayStableImportPrompt => false;
         }
     }
 }

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

@@ -1,12 +1,16 @@
 // 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 NUnit.Framework;
 using osu.Framework.Allocation;
 using osu.Framework.Bindables;
 using osu.Framework.Graphics;
 using osu.Framework.Graphics.Containers;
+using osu.Framework.Testing;
 using osu.Game.Overlays;
+using osu.Game.Overlays.AccountCreation;
+using osu.Game.Overlays.Settings;
 using osu.Game.Users;
 
 namespace osu.Game.Tests.Visual.Online
@@ -36,8 +40,6 @@ namespace osu.Game.Tests.Visual.Online
         [BackgroundDependencyLoader]
         private void load()
         {
-            API.Logout();
-
             localUser = API.LocalUser.GetBoundCopy();
             localUser.BindValueChanged(user => { userPanelArea.Child = new UserGridPanel(user.NewValue) { Width = 200 }; }, true);
         }
@@ -46,11 +48,14 @@ namespace osu.Game.Tests.Visual.Online
         public void TestOverlayVisibility()
         {
             AddStep("start hidden", () => accountCreation.Hide());
-            AddStep("log out", API.Logout);
+            AddStep("log out", () => API.Logout());
 
             AddStep("show manually", () => accountCreation.Show());
             AddUntilStep("overlay is visible", () => accountCreation.State.Value == Visibility.Visible);
 
+            AddStep("click button", () => accountCreation.ChildrenOfType<SettingsButton>().Single().Click());
+            AddUntilStep("warning screen is present", () => accountCreation.ChildrenOfType<ScreenWarning>().SingleOrDefault()?.IsPresent == true);
+
             AddStep("log back in", () => API.Login("dummy", "password"));
             AddUntilStep("overlay is hidden", () => accountCreation.State.Value == Visibility.Hidden);
         }

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

@@ -19,8 +19,10 @@ namespace osu.Game.Tests.Visual.Online
 {
     public class TestSceneCurrentlyPlayingDisplay : OsuTestScene
     {
-        [Cached(typeof(SpectatorStreamingClient))]
-        private TestSpectatorStreamingClient testSpectatorStreamingClient = new TestSpectatorStreamingClient();
+        private readonly User streamingUser = new User { Id = 2, Username = "Test user" };
+
+        [Cached(typeof(SpectatorClient))]
+        private TestSpectatorClient testSpectatorClient = new TestSpectatorClient();
 
         private CurrentlyPlayingDisplay currentlyPlaying;
 
@@ -34,7 +36,7 @@ namespace osu.Game.Tests.Visual.Online
         {
             AddStep("add streaming client", () =>
             {
-                nestedContainer?.Remove(testSpectatorStreamingClient);
+                nestedContainer?.Remove(testSpectatorClient);
                 Remove(lookupCache);
 
                 Children = new Drawable[]
@@ -45,7 +47,7 @@ namespace osu.Game.Tests.Visual.Online
                         RelativeSizeAxes = Axes.Both,
                         Children = new Drawable[]
                         {
-                            testSpectatorStreamingClient,
+                            testSpectatorClient,
                             currentlyPlaying = new CurrentlyPlayingDisplay
                             {
                                 RelativeSizeAxes = Axes.Both,
@@ -55,15 +57,15 @@ namespace osu.Game.Tests.Visual.Online
                 };
             });
 
-            AddStep("Reset players", () => testSpectatorStreamingClient.PlayingUsers.Clear());
+            AddStep("Reset players", () => testSpectatorClient.EndPlay(streamingUser.Id));
         }
 
         [Test]
         public void TestBasicDisplay()
         {
-            AddStep("Add playing user", () => testSpectatorStreamingClient.PlayingUsers.Add(2));
+            AddStep("Add playing user", () => testSpectatorClient.StartPlay(streamingUser.Id, 0));
             AddUntilStep("Panel loaded", () => currentlyPlaying.ChildrenOfType<UserGridPanel>()?.FirstOrDefault()?.User.Id == 2);
-            AddStep("Remove playing user", () => testSpectatorStreamingClient.PlayingUsers.Remove(2));
+            AddStep("Remove playing user", () => testSpectatorClient.EndPlay(streamingUser.Id));
             AddUntilStep("Panel no longer present", () => !currentlyPlaying.ChildrenOfType<UserGridPanel>().Any());
         }
 

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

@@ -0,0 +1,152 @@
+// 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.Testing;
+using osu.Game.Online.API.Requests.Responses;
+using osu.Game.Overlays;
+using osu.Game.Overlays.News.Sidebar;
+using static osu.Game.Overlays.News.Sidebar.YearsPanel;
+
+namespace osu.Game.Tests.Visual.Online
+{
+    public class TestSceneNewsSidebar : OsuTestScene
+    {
+        [Cached]
+        private readonly OverlayColourProvider colourProvider = new OverlayColourProvider(OverlayColourScheme.Purple);
+
+        private TestNewsSidebar sidebar;
+
+        [SetUp]
+        public void SetUp() => Schedule(() => Child = sidebar = new TestNewsSidebar { YearChanged = onYearChanged });
+
+        [Test]
+        public void TestBasic()
+        {
+            AddStep("Add metadata", () => sidebar.Metadata.Value = getMetadata(2021));
+            AddUntilStep("Month sections exist", () => sidebar.ChildrenOfType<MonthSection>().Any());
+        }
+
+        [Test]
+        public void TestMetadataWithNoPosts()
+        {
+            AddStep("Add data with no posts", () => sidebar.Metadata.Value = metadata_with_no_posts);
+            AddUntilStep("No month sections were created", () => !sidebar.ChildrenOfType<MonthSection>().Any());
+        }
+
+        [Test]
+        public void TestYearsPanelVisibility()
+        {
+            AddUntilStep("Years panel is hidden", () => yearsPanel?.Alpha == 0);
+            AddStep("Add data", () => sidebar.Metadata.Value = getMetadata(2021));
+            AddUntilStep("Years panel is visible", () => yearsPanel?.Alpha == 1);
+        }
+
+        private void onYearChanged(int year) => sidebar.Metadata.Value = getMetadata(year);
+
+        private YearsPanel yearsPanel => sidebar.ChildrenOfType<YearsPanel>().FirstOrDefault();
+
+        private APINewsSidebar getMetadata(int year) => new APINewsSidebar
+        {
+            CurrentYear = year,
+            Years = new[]
+            {
+                2021,
+                2020,
+                2019,
+                2018,
+                2017,
+                2016,
+                2015,
+                2014,
+                2013
+            },
+            NewsPosts = new List<APINewsPost>
+            {
+                new APINewsPost
+                {
+                    Title = "(Mar) Short title",
+                    PublishedAt = new DateTime(year, 3, 1)
+                },
+                new APINewsPost
+                {
+                    Title = "(Mar) Oh boy that's a long post title I wonder if it will break anything",
+                    PublishedAt = new DateTime(year, 3, 1)
+                },
+                new APINewsPost
+                {
+                    Title = "(Mar) Medium title, nothing to see here",
+                    PublishedAt = new DateTime(year, 3, 1)
+                },
+                new APINewsPost
+                {
+                    Title = "(Feb) Short title",
+                    PublishedAt = new DateTime(year, 2, 1)
+                },
+                new APINewsPost
+                {
+                    Title = "(Feb) Oh boy that's a long post title I wonder if it will break anything",
+                    PublishedAt = new DateTime(year, 2, 1)
+                },
+                new APINewsPost
+                {
+                    Title = "(Feb) Medium title, nothing to see here",
+                    PublishedAt = new DateTime(year, 2, 1)
+                },
+                new APINewsPost
+                {
+                    Title = "Short title",
+                    PublishedAt = new DateTime(year, 1, 1)
+                },
+                new APINewsPost
+                {
+                    Title = "Oh boy that's a long post title I wonder if it will break anything",
+                    PublishedAt = new DateTime(year, 1, 1)
+                },
+                new APINewsPost
+                {
+                    Title = "Medium title, nothing to see here",
+                    PublishedAt = new DateTime(year, 1, 1)
+                }
+            }
+        };
+
+        private static readonly APINewsSidebar metadata_with_no_posts = new APINewsSidebar
+        {
+            CurrentYear = 2021,
+            Years = new[]
+            {
+                2021,
+                2020,
+                2019,
+                2018,
+                2017,
+                2016,
+                2015,
+                2014,
+                2013
+            },
+            NewsPosts = Array.Empty<APINewsPost>()
+        };
+
+        private class TestNewsSidebar : NewsSidebar
+        {
+            public Action<int> YearChanged;
+
+            protected override void LoadComplete()
+            {
+                base.LoadComplete();
+
+                Metadata.BindValueChanged(metadata =>
+                {
+                    foreach (var b in this.ChildrenOfType<YearButton>())
+                        b.Action = () => YearChanged?.Invoke(b.Year);
+                }, true);
+            }
+        }
+    }
+}

osu.Game.Tests/Visual/Ranking/TestSceneAccuracyCircle.cs

@@ -22,82 +22,17 @@ namespace osu.Game.Tests.Visual.Ranking
 {
     public class TestSceneAccuracyCircle : OsuTestScene
     {
-        [Test]
-        public void TestLowDRank()
+        [TestCase(0.2, ScoreRank.D)]
+        [TestCase(0.5, ScoreRank.D)]
+        [TestCase(0.75, ScoreRank.C)]
+        [TestCase(0.85, ScoreRank.B)]
+        [TestCase(0.925, ScoreRank.A)]
+        [TestCase(0.975, ScoreRank.S)]
+        [TestCase(0.9999, ScoreRank.S)]
+        [TestCase(1, ScoreRank.X)]
+        public void TestRank(double accuracy, ScoreRank rank)
         {
-            var score = createScore();
-            score.Accuracy = 0.2;
-            score.Rank = ScoreRank.D;
-
-            addCircleStep(score);
-        }
-
-        [Test]
-        public void TestDRank()
-        {
-            var score = createScore();
-            score.Accuracy = 0.5;
-            score.Rank = ScoreRank.D;
-
-            addCircleStep(score);
-        }
-
-        [Test]
-        public void TestCRank()
-        {
-            var score = createScore();
-            score.Accuracy = 0.75;
-            score.Rank = ScoreRank.C;
-
-            addCircleStep(score);
-        }
-
-        [Test]
-        public void TestBRank()
-        {
-            var score = createScore();
-            score.Accuracy = 0.85;
-            score.Rank = ScoreRank.B;
-
-            addCircleStep(score);
-        }
-
-        [Test]
-        public void TestARank()
-        {
-            var score = createScore();
-            score.Accuracy = 0.925;
-            score.Rank = ScoreRank.A;
-
-            addCircleStep(score);
-        }
-
-        [Test]
-        public void TestSRank()
-        {
-            var score = createScore();
-            score.Accuracy = 0.975;
-            score.Rank = ScoreRank.S;
-
-            addCircleStep(score);
-        }
-
-        [Test]
-        public void TestAlmostSSRank()
-        {
-            var score = createScore();
-            score.Accuracy = 0.9999;
-            score.Rank = ScoreRank.S;
-
-            addCircleStep(score);
-        }
-
-        [Test]
-        public void TestSSRank()
-        {
-            var score = createScore();
-            score.Accuracy = 1;
-            score.Rank = ScoreRank.X;
+            var score = createScore(accuracy, rank);
 
             addCircleStep(score);
         }
@@ -120,7 +55,7 @@ namespace osu.Game.Tests.Visual.Ranking
                         }
                     }
                 },
-                new AccuracyCircle(score, true)
+                new AccuracyCircle(score)
                 {
                     Anchor = Anchor.Centre,
                     Origin = Anchor.Centre,
@@ -129,7 +64,7 @@ namespace osu.Game.Tests.Visual.Ranking
             };
         });
 
-        private ScoreInfo createScore() => new ScoreInfo
+        private ScoreInfo createScore(double accuracy, ScoreRank rank) => new ScoreInfo
         {
             User = new User
             {
@@ -139,9 +74,9 @@ namespace osu.Game.Tests.Visual.Ranking
             Beatmap = new TestBeatmap(new OsuRuleset().RulesetInfo).BeatmapInfo,
             Mods = new Mod[] { new OsuModHardRock(), new OsuModDoubleTime() },
             TotalScore = 2845370,
-            Accuracy = 0.95,
+            Accuracy = accuracy,
             MaxCombo = 999,
-            Rank = ScoreRank.S,
+            Rank = rank,
             Date = DateTimeOffset.Now,
             Statistics =
             {

osu.Game.Tests/Visual/Ranking/TestSceneResultsScreen.cs

@@ -29,13 +29,8 @@ namespace osu.Game.Tests.Visual.Ranking
     [TestFixture]
     public class TestSceneResultsScreen : OsuManualInputManagerTestScene
     {
-        private BeatmapManager beatmaps;
-
-        [BackgroundDependencyLoader]
-        private void load(BeatmapManager beatmaps)
-        {
-            this.beatmaps = beatmaps;
-        }
+        [Resolved]
+        private BeatmapManager beatmaps { get; set; }
 
         protected override void LoadComplete()
         {
@@ -46,10 +41,6 @@ namespace osu.Game.Tests.Visual.Ranking
                 Beatmap.Value = beatmaps.GetWorkingBeatmap(beatmapInfo);
         }
 
-        private TestResultsScreen createResultsScreen() => new TestResultsScreen(new TestScoreInfo(new OsuRuleset().RulesetInfo));
-
-        private UnrankedSoloResultsScreen createUnrankedSoloResultsScreen() => new UnrankedSoloResultsScreen(new TestScoreInfo(new OsuRuleset().RulesetInfo));
-
         [Test]
         public void TestResultsWithoutPlayer()
         {
@@ -69,12 +60,25 @@ namespace osu.Game.Tests.Visual.Ranking
             AddAssert("retry overlay not present", () => screen.RetryOverlay == null);
         }
 
-        [Test]
-        public void TestResultsWithPlayer()
+        [TestCase(0.2, ScoreRank.D)]
+        [TestCase(0.5, ScoreRank.D)]
+        [TestCase(0.75, ScoreRank.C)]
+        [TestCase(0.85, ScoreRank.B)]
+        [TestCase(0.925, ScoreRank.A)]
+        [TestCase(0.975, ScoreRank.S)]
+        [TestCase(0.9999, ScoreRank.S)]
+        [TestCase(1, ScoreRank.X)]
+        public void TestResultsWithPlayer(double accuracy, ScoreRank rank)
         {
             TestResultsScreen screen = null;
 
-            AddStep("load results", () => Child = new TestResultsContainer(screen = createResultsScreen()));
+            var score = new TestScoreInfo(new OsuRuleset().RulesetInfo)
+            {
+                Accuracy = accuracy,
+                Rank = rank
+            };
+
+            AddStep("load results", () => Child = new TestResultsContainer(screen = createResultsScreen(score)));
             AddUntilStep("wait for loaded", () => screen.IsLoaded);
             AddAssert("retry overlay present", () => screen.RetryOverlay != null);
         }
@@ -232,6 +236,10 @@ namespace osu.Game.Tests.Visual.Ranking
             AddAssert("download button is enabled", () => screen.ChildrenOfType<DownloadButton>().Last().Enabled.Value);
         }
 
+        private TestResultsScreen createResultsScreen(ScoreInfo score = null) => new TestResultsScreen(score ?? new TestScoreInfo(new OsuRuleset().RulesetInfo));
+
+        private UnrankedSoloResultsScreen createUnrankedSoloResultsScreen() => new UnrankedSoloResultsScreen(new TestScoreInfo(new OsuRuleset().RulesetInfo));
+
         private class TestResultsContainer : Container
         {
             [Cached(typeof(Player))]

osu.Game.Tests/Visual/Settings/TestSceneKeyBindingPanel.cs

@@ -6,6 +6,7 @@ using System.Linq;
 using NUnit.Framework;
 using osu.Framework.Testing;
 using osu.Framework.Threading;
+using osu.Game.Graphics.Sprites;
 using osu.Game.Overlays;
 using osu.Game.Overlays.KeyBinding;
 using osuTK.Input;
@@ -28,6 +29,39 @@ namespace osu.Game.Tests.Visual.Settings
             panel.Show();
         }
 
+        [SetUpSteps]
+        public void SetUpSteps()
+        {
+            AddStep("Scroll to top", () => panel.ChildrenOfType<SettingsPanel.SettingsSectionsContainer>().First().ScrollToTop());
+            AddWaitStep("wait for scroll", 5);
+        }
+
+        [Test]
+        public void TestBindingMouseWheelToNonGameplay()
+        {
+            scrollToAndStartBinding("Increase volume");
+            AddStep("press k", () => InputManager.Key(Key.K));
+            checkBinding("Increase volume", "K");
+
+            AddStep("click again", () => InputManager.Click(MouseButton.Left));
+            AddStep("scroll mouse wheel", () => InputManager.ScrollVerticalBy(1));
+
+            checkBinding("Increase volume", "Wheel Up");
+        }
+
+        [Test]
+        public void TestBindingMouseWheelToGameplay()
+        {
+            scrollToAndStartBinding("Left button");
+            AddStep("press k", () => InputManager.Key(Key.Z));
+            checkBinding("Left button", "Z");
+
+            AddStep("click again", () => InputManager.Click(MouseButton.Left));
+            AddStep("scroll mouse wheel", () => InputManager.ScrollVerticalBy(1));
+
+            checkBinding("Left button", "Z");
+        }
+
         [Test]
         public void TestClickTwiceOnClearButton()
         {
@@ -194,5 +228,37 @@ namespace osu.Game.Tests.Visual.Settings
 
             AddAssert("first binding selected", () => multiBindingRow.ChildrenOfType<KeyBindingRow.KeyButton>().First().IsBinding);
         }
+
+        private void checkBinding(string name, string keyName)
+        {
+            AddAssert($"Check {name} is bound to {keyName}", () =>
+            {
+                var firstRow = panel.ChildrenOfType<KeyBindingRow>().First(r => r.ChildrenOfType<OsuSpriteText>().Any(s => s.Text == name));
+                var firstButton = firstRow.ChildrenOfType<KeyBindingRow.KeyButton>().First();
+
+                return firstButton.Text.Text == keyName;
+            });
+        }
+
+        private void scrollToAndStartBinding(string name)
+        {
+            KeyBindingRow.KeyButton firstButton = null;
+
+            AddStep($"Scroll to {name}", () =>
+            {
+                var firstRow = panel.ChildrenOfType<KeyBindingRow>().First(r => r.ChildrenOfType<OsuSpriteText>().Any(s => s.Text == name));
+                firstButton = firstRow.ChildrenOfType<KeyBindingRow.KeyButton>().First();
+
+                panel.ChildrenOfType<SettingsPanel.SettingsSectionsContainer>().First().ScrollTo(firstButton);
+            });
+
+            AddWaitStep("wait for scroll", 5);
+
+            AddStep("click to bind", () =>
+            {
+                InputManager.MoveMouseTo(firstButton);
+                InputManager.Click(MouseButton.Left);
+            });
+        }
     }
 }

osu.Game.Tests/Visual/UserInterface/TestSceneBreadcrumbControlHeader.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 System.Linq;
+using NUnit.Framework;
+using osu.Framework.Allocation;
+using osu.Framework.Graphics;
+using osu.Game.Overlays;
+
+namespace osu.Game.Tests.Visual.UserInterface
+{
+    public class TestSceneBreadcrumbControlHeader : OsuTestScene
+    {
+        private static readonly string[] items = { "first", "second", "third", "fourth", "fifth" };
+
+        [Cached]
+        private readonly OverlayColourProvider colourProvider = new OverlayColourProvider(OverlayColourScheme.Red);
+
+        private TestHeader header;
+
+        [SetUp]
+        public void SetUp() => Schedule(() =>
+        {
+            Child = header = new TestHeader
+            {
+                Anchor = Anchor.Centre,
+                Origin = Anchor.Centre,
+            };
+        });
+
+        [Test]
+        public void TestAddAndRemoveItem()
+        {
+            foreach (var item in items.Skip(1))
+                AddStep($"Add {item} item", () => header.AddItem(item));
+
+            foreach (var item in items.Reverse().SkipLast(3))
+                AddStep($"Remove {item} item", () => header.RemoveItem(item));
+
+            AddStep("Clear items", () => header.ClearItems());
+
+            foreach (var item in items)
+                AddStep($"Add {item} item", () => header.AddItem(item));
+
+            foreach (var item in items)
+                AddStep($"Remove {item} item", () => header.RemoveItem(item));
+        }
+
+        private class TestHeader : BreadcrumbControlOverlayHeader
+        {
+            public TestHeader()
+            {
+                TabControl.AddItem(items[0]);
+                Current.Value = items[0];
+            }
+
+            public void AddItem(string value)
+            {
+                TabControl.AddItem(value);
+                Current.Value = TabControl.Items.LastOrDefault();
+            }
+
+            public void RemoveItem(string value)
+            {
+                TabControl.RemoveItem(value);
+                Current.Value = TabControl.Items.LastOrDefault();
+            }
+
+            public void ClearItems()
+            {
+                TabControl.Clear();
+                Current.Value = null;
+            }
+
+            protected override OverlayTitle CreateTitle() => new TestTitle();
+        }
+
+        private class TestTitle : OverlayTitle
+        {
+            public TestTitle()
+            {
+                Title = "Test Title";
+            }
+        }
+    }
+}

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

@@ -86,6 +86,15 @@ _**italic with underscore, bold with asterisk**_";
             });
         }
 
+        [Test]
+        public void TestLinkWithTitle()
+        {
+            AddStep("Add Link with title", () =>
+            {
+                markdownContainer.Text = "[wikipedia](https://www.wikipedia.org \"The Free Encyclopedia\")";
+            });
+        }
+
         [Test]
         public void TestInlineCode()
         {

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

@@ -14,7 +14,7 @@ namespace osu.Game.Tests.Visual.UserInterface
     public class TestSceneStatefulMenuItem : OsuManualInputManagerTestScene
     {
         [Test]
-        public void TestTernaryMenuItem()
+        public void TestTernaryRadioMenuItem()
         {
             OsuMenu menu = null;
 
@@ -30,9 +30,57 @@ namespace osu.Game.Tests.Visual.UserInterface
                     Origin = Anchor.Centre,
                     Items = new[]
                     {
-                        new TernaryStateMenuItem("First"),
-                        new TernaryStateMenuItem("Second") { State = { BindTarget = state } },
-                        new TernaryStateMenuItem("Third") { State = { Value = TernaryState.True } },
+                        new TernaryStateRadioMenuItem("First"),
+                        new TernaryStateRadioMenuItem("Second") { State = { BindTarget = state } },
+                        new TernaryStateRadioMenuItem("Third") { State = { Value = TernaryState.True } },
+                    }
+                };
+            });
+
+            checkState(TernaryState.Indeterminate);
+
+            click();
+            checkState(TernaryState.True);
+
+            click();
+            checkState(TernaryState.True);
+
+            click();
+            checkState(TernaryState.True);
+
+            AddStep("change state via bindable", () => state.Value = TernaryState.True);
+
+            void click() =>
+                AddStep("click", () =>
+                {
+                    InputManager.MoveMouseTo(menu.ScreenSpaceDrawQuad.Centre);
+                    InputManager.Click(MouseButton.Left);
+                });
+
+            void checkState(TernaryState expected)
+                => AddAssert($"state is {expected}", () => state.Value == expected);
+        }
+
+        [Test]
+        public void TestTernaryToggleMenuItem()
+        {
+            OsuMenu menu = null;
+
+            Bindable<TernaryState> state = new Bindable<TernaryState>(TernaryState.Indeterminate);
+
+            AddStep("create menu", () =>
+            {
+                state.Value = TernaryState.Indeterminate;
+
+                Child = menu = new OsuMenu(Direction.Vertical, true)
+                {
+                    Anchor = Anchor.Centre,
+                    Origin = Anchor.Centre,
+                    Items = new[]
+                    {
+                        new TernaryStateToggleMenuItem("First"),
+                        new TernaryStateToggleMenuItem("Second") { State = { BindTarget = state } },
+                        new TernaryStateToggleMenuItem("Third") { State = { Value = TernaryState.True } },
                     }
                 };
             });

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

@@ -0,0 +1,183 @@
+// 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 System.Threading;
+using NUnit.Framework;
+using osu.Framework.Allocation;
+using osu.Framework.Graphics;
+using osu.Framework.Graphics.Containers;
+using osu.Framework.Testing;
+using osu.Game.Beatmaps;
+using osu.Game.Beatmaps.Drawables;
+using osu.Game.Graphics.Containers;
+using osuTK;
+
+namespace osu.Game.Tests.Visual.UserInterface
+{
+    public class TestSceneUpdateableBeatmapSetCover : OsuTestScene
+    {
+        [Test]
+        public void TestLocal([Values] BeatmapSetCoverType coverType)
+        {
+            AddStep("setup cover", () => Child = new UpdateableBeatmapSetCover(coverType)
+            {
+                BeatmapSet = CreateBeatmap(Ruleset.Value).BeatmapInfo.BeatmapSet,
+                RelativeSizeAxes = Axes.Both,
+                Masking = true,
+            });
+
+            AddUntilStep("wait for load", () => this.ChildrenOfType<BeatmapSetCover>().SingleOrDefault()?.IsLoaded ?? false);
+        }
+
+        [Test]
+        public void TestUnloadAndReload()
+        {
+            OsuScrollContainer scroll = null;
+            List<UpdateableBeatmapSetCover> covers = new List<UpdateableBeatmapSetCover>();
+
+            AddStep("setup covers", () =>
+            {
+                BeatmapSetInfo setInfo = CreateBeatmap(Ruleset.Value).BeatmapInfo.BeatmapSet;
+
+                FillFlowContainer fillFlow;
+
+                Child = scroll = new OsuScrollContainer
+                {
+                    Size = new Vector2(500f),
+                    Child = fillFlow = new FillFlowContainer
+                    {
+                        RelativeSizeAxes = Axes.X,
+                        AutoSizeAxes = Axes.Y,
+                        Direction = FillDirection.Vertical,
+                        Spacing = new Vector2(10),
+                        Padding = new MarginPadding { Bottom = 550 }
+                    }
+                };
+
+                var coverTypes = Enum.GetValues(typeof(BeatmapSetCoverType))
+                                     .Cast<BeatmapSetCoverType>()
+                                     .ToList();
+
+                for (int i = 0; i < 25; i++)
+                {
+                    var coverType = coverTypes[i % coverTypes.Count];
+
+                    var cover = new UpdateableBeatmapSetCover(coverType)
+                    {
+                        BeatmapSet = setInfo,
+                        Height = 100,
+                        Masking = true,
+                    };
+
+                    if (coverType == BeatmapSetCoverType.Cover)
+                        cover.Width = 500;
+                    else if (coverType == BeatmapSetCoverType.Card)
+                        cover.Width = 400;
+                    else if (coverType == BeatmapSetCoverType.List)
+                        cover.Size = new Vector2(100, 50);
+
+                    fillFlow.Add(cover);
+                    covers.Add(cover);
+                }
+            });
+
+            var loadedCovers = covers.Where(c => c.ChildrenOfType<BeatmapSetCover>().SingleOrDefault()?.IsLoaded ?? false);
+
+            AddUntilStep("some loaded", () => loadedCovers.Any());
+            AddStep("scroll to end", () => scroll.ScrollToEnd());
+            AddUntilStep("all unloaded", () => !loadedCovers.Any());
+        }
+
+        [Test]
+        public void TestSetNullBeatmapWhileLoading()
+        {
+            TestUpdateableBeatmapSetCover updateableCover = null;
+
+            AddStep("setup cover", () => Child = updateableCover = new TestUpdateableBeatmapSetCover
+            {
+                BeatmapSet = CreateBeatmap(Ruleset.Value).BeatmapInfo.BeatmapSet,
+                RelativeSizeAxes = Axes.Both,
+                Masking = true,
+            });
+
+            AddStep("change model", () => updateableCover.BeatmapSet = null);
+            AddWaitStep("wait some", 5);
+            AddAssert("no cover added", () => !updateableCover.ChildrenOfType<DelayedLoadUnloadWrapper>().Any());
+        }
+
+        [Test]
+        public void TestCoverChangeOnNewBeatmap()
+        {
+            TestUpdateableBeatmapSetCover updateableCover = null;
+            BeatmapSetCover initialCover = null;
+
+            AddStep("setup cover", () => Child = updateableCover = new TestUpdateableBeatmapSetCover(0)
+            {
+                BeatmapSet = createBeatmapWithCover("https://assets.ppy.sh/beatmaps/1189904/covers/cover.jpg"),
+                RelativeSizeAxes = Axes.Both,
+                Masking = true,
+                Alpha = 0.4f
+            });
+
+            AddUntilStep("cover loaded", () => updateableCover.ChildrenOfType<BeatmapSetCover>().Any());
+            AddStep("store initial cover", () => initialCover = updateableCover.ChildrenOfType<BeatmapSetCover>().Single());
+            AddUntilStep("wait for fade complete", () => initialCover.Alpha == 1);
+
+            AddStep("switch beatmap",
+                () => updateableCover.BeatmapSet = createBeatmapWithCover("https://assets.ppy.sh/beatmaps/1079428/covers/cover.jpg"));
+            AddUntilStep("new cover loaded", () => updateableCover.ChildrenOfType<BeatmapSetCover>().Except(new[] { initialCover }).Any());
+        }
+
+        private static BeatmapSetInfo createBeatmapWithCover(string coverUrl) => new BeatmapSetInfo
+        {
+            OnlineInfo = new BeatmapSetOnlineInfo
+            {
+                Covers = new BeatmapSetOnlineCovers { Cover = coverUrl }
+            }
+        };
+
+        private class TestUpdateableBeatmapSetCover : UpdateableBeatmapSetCover
+        {
+            private readonly int loadDelay;
+
+            public TestUpdateableBeatmapSetCover(int loadDelay = 10000)
+            {
+                this.loadDelay = loadDelay;
+            }
+
+            protected override Drawable CreateDrawable(BeatmapSetInfo model)
+            {
+                if (model == null)
+                    return null;
+
+                return new TestBeatmapSetCover(model, loadDelay)
+                {
+                    Anchor = Anchor.Centre,
+                    Origin = Anchor.Centre,
+                    RelativeSizeAxes = Axes.Both,
+                    FillMode = FillMode.Fill,
+                };
+            }
+        }
+
+        private class TestBeatmapSetCover : BeatmapSetCover
+        {
+            private readonly int loadDelay;
+
+            public TestBeatmapSetCover(BeatmapSetInfo set, int loadDelay)
+                : base(set)
+            {
+                this.loadDelay = loadDelay;
+            }
+
+            [BackgroundDependencyLoader]
+            private void load()
+            {
+                Thread.Sleep(loadDelay);
+            }
+        }
+    }
+}

osu.Game/Beatmaps/BeatmapInfo.cs

@@ -7,6 +7,7 @@ using System.ComponentModel.DataAnnotations;
 using System.ComponentModel.DataAnnotations.Schema;
 using System.Linq;
 using Newtonsoft.Json;
+using osu.Framework.Localisation;
 using osu.Framework.Testing;
 using osu.Game.Database;
 using osu.Game.IO.Serialization;
@@ -127,6 +128,8 @@ namespace osu.Game.Beatmaps
         // Metadata
         public string Version { get; set; }
 
+        private string versionString => string.IsNullOrEmpty(Version) ? string.Empty : $"[{Version}]";
+
         [JsonProperty("difficulty_rating")]
         public double StarDifficulty { get; set; }
 
@@ -143,11 +146,12 @@ namespace osu.Game.Beatmaps
             Version
         }.Concat(Metadata?.SearchableTerms ?? Enumerable.Empty<string>()).Where(s => !string.IsNullOrEmpty(s)).ToArray();
 
-        public override string ToString()
-        {
-            string version = string.IsNullOrEmpty(Version) ? string.Empty : $"[{Version}]";
+        public override string ToString() => $"{Metadata ?? BeatmapSet?.Metadata} {versionString}".Trim();
 
-            return $"{Metadata ?? BeatmapSet?.Metadata} {version}".Trim();
+        public RomanisableString ToRomanisableString()
+        {
+            var metadata = (Metadata ?? BeatmapSet?.Metadata)?.ToRomanisableString() ?? new RomanisableString(null, null);
+            return new RomanisableString($"{metadata.GetPreferred(true)} {versionString}".Trim(), $"{metadata.GetPreferred(false)} {versionString}".Trim());
         }
 
         public bool Equals(BeatmapInfo other)

osu.Game/Beatmaps/BeatmapMetadata.cs

@@ -6,6 +6,7 @@ using System.Collections.Generic;
 using System.ComponentModel.DataAnnotations.Schema;
 using System.Linq;
 using Newtonsoft.Json;
+using osu.Framework.Localisation;
 using osu.Framework.Testing;
 using osu.Game.Database;
 using osu.Game.Users;
@@ -90,6 +91,12 @@ namespace osu.Game.Beatmaps
             return $"{Artist} - {Title} {author}".Trim();
         }
 
+        public RomanisableString ToRomanisableString()
+        {
+            string author = Author == null ? string.Empty : $"({Author})";
+            return new RomanisableString($"{ArtistUnicode} - {TitleUnicode} {author}".Trim(), $"{Artist} - {Title} {author}".Trim());
+        }
+
         [JsonIgnore]
         public string[] SearchableTerms => new[]
         {

osu.Game/Beatmaps/Drawables/UpdateableBeatmapSetCover.cs

@@ -1,6 +1,7 @@
 // Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
 // See the LICENCE file in the repository root for full licence text.
 
+using System;
 using osu.Framework.Graphics;
 using osu.Framework.Graphics.Containers;
 using osu.Framework.Graphics.Shapes;
@@ -8,78 +9,52 @@ using osu.Game.Graphics;
 
 namespace osu.Game.Beatmaps.Drawables
 {
-    public class UpdateableBeatmapSetCover : Container
+    public class UpdateableBeatmapSetCover : ModelBackedDrawable<BeatmapSetInfo>
     {
-        private Drawable displayedCover;
-
-        private BeatmapSetInfo beatmapSet;
+        private readonly BeatmapSetCoverType coverType;
 
         public BeatmapSetInfo BeatmapSet
         {
-            get => beatmapSet;
-            set
-            {
-                if (value == beatmapSet) return;
-
-                beatmapSet = value;
-
-                if (IsLoaded)
-                    updateCover();
-            }
+            get => Model;
+            set => Model = value;
         }
 
-        private BeatmapSetCoverType coverType = BeatmapSetCoverType.Cover;
-
-        public BeatmapSetCoverType CoverType
+        public new bool Masking
         {
-            get => coverType;
-            set
-            {
-                if (value == coverType) return;
-
-                coverType = value;
-
-                if (IsLoaded)
-                    updateCover();
-            }
+            get => base.Masking;
+            set => base.Masking = value;
         }
 
-        public UpdateableBeatmapSetCover()
+        public UpdateableBeatmapSetCover(BeatmapSetCoverType coverType = BeatmapSetCoverType.Cover)
         {
-            Child = new Box
+            this.coverType = coverType;
+
+            InternalChild = new Box
             {
                 RelativeSizeAxes = Axes.Both,
                 Colour = OsuColour.Gray(0.2f),
             };
         }
 
-        protected override void LoadComplete()
-        {
-            base.LoadComplete();
-            updateCover();
-        }
+        protected override double LoadDelay => 500;
 
-        private void updateCover()
-        {
-            displayedCover?.FadeOut(400);
-            displayedCover?.Expire();
-            displayedCover = null;
+        protected override double TransformDuration => 400;
 
-            if (beatmapSet != null)
+        protected override DelayedLoadWrapper CreateDelayedLoadWrapper(Func<Drawable> createContentFunc, double timeBeforeLoad)
+            => new DelayedLoadUnloadWrapper(createContentFunc, timeBeforeLoad);
+
+        protected override Drawable CreateDrawable(BeatmapSetInfo model)
+        {
+            if (model == null)
+                return null;
+
+            return new BeatmapSetCover(model, coverType)
             {
-                Add(displayedCover = new DelayedLoadUnloadWrapper(() =>
-                {
-                    var cover = new BeatmapSetCover(beatmapSet, coverType)
-                    {
-                        Anchor = Anchor.Centre,
-                        Origin = Anchor.Centre,
-                        RelativeSizeAxes = Axes.Both,
-                        FillMode = FillMode.Fill,
-                    };
-                    cover.OnLoadComplete += d => d.FadeInFromZero(400, Easing.Out);
-                    return cover;
-                }));
-            }
+                RelativeSizeAxes = Axes.Both,
+                Anchor = Anchor.Centre,
+                Origin = Anchor.Centre,
+                FillMode = FillMode.Fill,
+            };
         }
     }
 }

osu.Game/Collections/CollectionManager.cs

@@ -8,13 +8,13 @@ using System.IO;
 using System.Linq;
 using System.Threading;
 using System.Threading.Tasks;
-using osu.Framework;
 using osu.Framework.Allocation;
 using osu.Framework.Bindables;
 using osu.Framework.Graphics;
 using osu.Framework.Logging;
 using osu.Framework.Platform;
 using osu.Game.Beatmaps;
+using osu.Game.IO;
 using osu.Game.IO.Legacy;
 using osu.Game.Overlays.Notifications;
 
@@ -38,8 +38,6 @@ namespace osu.Game.Collections
 
         public readonly BindableList<BeatmapCollection> Collections = new BindableList<BeatmapCollection>();
 
-        public bool SupportsImportFromStable => RuntimeInfo.IsDesktop;
-
         [Resolved]
         private GameHost host { get; set; }
 
@@ -96,25 +94,12 @@ namespace osu.Game.Collections
         /// </summary>
         public Action<Notification> PostNotification { protected get; set; }
 
-        /// <summary>
-        /// Set a storage with access to an osu-stable install for import purposes.
-        /// </summary>
-        public Func<Storage> GetStableStorage { private get; set; }
-
         /// <summary>
         /// This is a temporary method and will likely be replaced by a full-fledged (and more correctly placed) migration process in the future.
         /// </summary>
-        public Task ImportFromStableAsync()
+        public Task ImportFromStableAsync(StableStorage stableStorage)
         {
-            var stable = GetStableStorage?.Invoke();
-
-            if (stable == null)
-            {
-                Logger.Log("No osu!stable installation available!", LoggingTarget.Information, LogLevel.Error);
-                return Task.CompletedTask;
-            }
-
-            if (!stable.Exists(database_name))
+            if (!stableStorage.Exists(database_name))
             {
                 // This handles situations like when the user does not have a collections.db file
                 Logger.Log($"No {database_name} available in osu!stable installation", LoggingTarget.Information, LogLevel.Error);
@@ -123,7 +108,7 @@ namespace osu.Game.Collections
 
             return Task.Run(async () =>
             {
-                using (var stream = stable.GetStream(database_name))
+                using (var stream = stableStorage.GetStream(database_name))
                     await Import(stream).ConfigureAwait(false);
             });
         }

osu.Game/Configuration/OsuConfigManager.cs

@@ -104,7 +104,6 @@ namespace osu.Game.Configuration
             SetDefault(OsuSetting.KeyOverlay, false);
             SetDefault(OsuSetting.PositionalHitSounds, true);
             SetDefault(OsuSetting.AlwaysPlayFirstComboBreak, true);
-            SetDefault(OsuSetting.ScoreMeter, ScoreMeterType.HitErrorBoth);
 
             SetDefault(OsuSetting.FloatingComments, false);
 
@@ -213,7 +212,6 @@ namespace osu.Game.Configuration
         KeyOverlay,
         PositionalHitSounds,
         AlwaysPlayFirstComboBreak,
-        ScoreMeter,
         FloatingComments,
         HUDVisibilityMode,
         ShowProgressGraph,

osu.Game/Configuration/ScoreMeterType.cs

@@ -1,37 +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.ComponentModel;
-
-namespace osu.Game.Configuration
-{
-    public enum ScoreMeterType
-    {
-        [Description("None")]
-        None,
-
-        [Description("Hit Error (left)")]
-        HitErrorLeft,
-
-        [Description("Hit Error (right)")]
-        HitErrorRight,
-
-        [Description("Hit Error (left+right)")]
-        HitErrorBoth,
-
-        [Description("Hit Error (bottom)")]
-        HitErrorBottom,
-
-        [Description("Colour (left)")]
-        ColourLeft,
-
-        [Description("Colour (right)")]
-        ColourRight,
-
-        [Description("Colour (left+right)")]
-        ColourBoth,
-
-        [Description("Colour (bottom)")]
-        ColourBottom,
-    }
-}

osu.Game/Database/ArchiveModelManager.cs

@@ -10,7 +10,6 @@ using System.Threading.Tasks;
 using Humanizer;
 using JetBrains.Annotations;
 using Microsoft.EntityFrameworkCore;
-using osu.Framework;
 using osu.Framework.Bindables;
 using osu.Framework.Extensions;
 using osu.Framework.Extensions.IEnumerableExtensions;
@@ -81,8 +80,6 @@ namespace osu.Game.Database
 
         public virtual IEnumerable<string> HandledExtensions => new[] { ".zip" };
 
-        public virtual bool SupportsImportFromStable => RuntimeInfo.IsDesktop;
-
         protected readonly FileStore Files;
 
         protected readonly IDatabaseContextFactory ContextFactory;
@@ -669,16 +666,6 @@ namespace osu.Game.Database
 
         #region osu-stable import
 
-        /// <summary>
-        /// Set a storage with access to an osu-stable install for import purposes.
-        /// </summary>
-        public Func<StableStorage> GetStableStorage { private get; set; }
-
-        /// <summary>
-        /// Denotes whether an osu-stable installation is present to perform automated imports from.
-        /// </summary>
-        public bool StableInstallationAvailable => GetStableStorage?.Invoke() != null;
-
         /// <summary>
         /// The relative path from osu-stable's data directory to import items from.
         /// </summary>
@@ -700,22 +687,16 @@ namespace osu.Game.Database
         /// <summary>
         /// This is a temporary method and will likely be replaced by a full-fledged (and more correctly placed) migration process in the future.
         /// </summary>
-        public Task ImportFromStableAsync()
+        public Task ImportFromStableAsync(StableStorage stableStorage)
         {
-            var stableStorage = GetStableStorage?.Invoke();
-
-            if (stableStorage == null)
-            {
-                Logger.Log("No osu!stable installation available!", LoggingTarget.Information, LogLevel.Error);
-                return Task.CompletedTask;
-            }
-
             var storage = PrepareStableStorage(stableStorage);
 
+            // Handle situations like when the user does not have a Skins folder.
             if (!storage.ExistsDirectory(ImportFromStablePath))
             {
-                // This handles situations like when the user does not have a Skins folder
-                Logger.Log($"No {ImportFromStablePath} folder available in osu!stable installation", LoggingTarget.Information, LogLevel.Error);
+                string fullPath = storage.GetFullPath(ImportFromStablePath);
+
+                Logger.Log($"Folder \"{fullPath}\" not available in the target osu!stable installation to import {HumanisedModelName}s.", LoggingTarget.Information, LogLevel.Error);
                 return Task.CompletedTask;
             }
 

osu.Game/Database/StableImportManager.cs

@@ -0,0 +1,96 @@
+// 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.Threading.Tasks;
+using osu.Framework;
+using osu.Framework.Allocation;
+using osu.Framework.Extensions.EnumExtensions;
+using osu.Framework.Graphics;
+using osu.Framework.Platform;
+using osu.Game.Beatmaps;
+using osu.Game.Collections;
+using osu.Game.IO;
+using osu.Game.Overlays;
+using osu.Game.Overlays.Settings.Sections.Maintenance;
+using osu.Game.Scoring;
+using osu.Game.Skinning;
+
+namespace osu.Game.Database
+{
+    public class StableImportManager : Component
+    {
+        [Resolved]
+        private SkinManager skins { get; set; }
+
+        [Resolved]
+        private BeatmapManager beatmaps { get; set; }
+
+        [Resolved]
+        private ScoreManager scores { get; set; }
+
+        [Resolved]
+        private CollectionManager collections { get; set; }
+
+        [Resolved]
+        private OsuGame game { get; set; }
+
+        [Resolved]
+        private DialogOverlay dialogOverlay { get; set; }
+
+        [Resolved(CanBeNull = true)]
+        private DesktopGameHost desktopGameHost { get; set; }
+
+        private StableStorage cachedStorage;
+
+        public bool SupportsImportFromStable => RuntimeInfo.IsDesktop;
+
+        public async Task ImportFromStableAsync(StableContent content)
+        {
+            var stableStorage = await getStableStorage().ConfigureAwait(false);
+            var importTasks = new List<Task>();
+
+            Task beatmapImportTask = Task.CompletedTask;
+            if (content.HasFlagFast(StableContent.Beatmaps))
+                importTasks.Add(beatmapImportTask = beatmaps.ImportFromStableAsync(stableStorage));
+
+            if (content.HasFlagFast(StableContent.Skins))
+                importTasks.Add(skins.ImportFromStableAsync(stableStorage));
+
+            if (content.HasFlagFast(StableContent.Collections))
+                importTasks.Add(beatmapImportTask.ContinueWith(_ => collections.ImportFromStableAsync(stableStorage), TaskContinuationOptions.OnlyOnRanToCompletion));
+
+            if (content.HasFlagFast(StableContent.Scores))
+                importTasks.Add(beatmapImportTask.ContinueWith(_ => scores.ImportFromStableAsync(stableStorage), TaskContinuationOptions.OnlyOnRanToCompletion));
+
+            await Task.WhenAll(importTasks.ToArray()).ConfigureAwait(false);
+        }
+
+        private async Task<StableStorage> getStableStorage()
+        {
+            if (cachedStorage != null)
+                return cachedStorage;
+
+            var stableStorage = game.GetStorageForStableInstall();
+            if (stableStorage != null)
+                return cachedStorage = stableStorage;
+
+            var taskCompletionSource = new TaskCompletionSource<string>(TaskCreationOptions.RunContinuationsAsynchronously);
+            Schedule(() => dialogOverlay.Push(new StableDirectoryLocationDialog(taskCompletionSource)));
+            var stablePath = await taskCompletionSource.Task.ConfigureAwait(false);
+
+            return cachedStorage = new StableStorage(stablePath, desktopGameHost);
+        }
+    }
+
+    [Flags]
+    public enum StableContent
+    {
+        Beatmaps = 1 << 0,
+        Scores = 1 << 1,
+        Skins = 1 << 2,
+        Collections = 1 << 3,
+        All = Beatmaps | Scores | Skins | Collections
+    }
+}

osu.Game/Graphics/Containers/LinkFlowContainer.cs

@@ -7,7 +7,10 @@ using System.Linq;
 using osu.Framework.Allocation;
 using osu.Framework.Graphics.Sprites;
 using System.Collections.Generic;
+using osu.Framework.Extensions.IEnumerableExtensions;
 using osu.Framework.Graphics;
+using osu.Framework.Localisation;
+using osu.Game.Graphics.Sprites;
 using osu.Game.Users;
 
 namespace osu.Game.Graphics.Containers
@@ -59,6 +62,14 @@ namespace osu.Game.Graphics.Containers
         public void AddLink(string text, LinkAction action, string argument, string tooltipText = null, Action<SpriteText> creationParameters = null)
             => createLink(AddText(text, creationParameters), new LinkDetails(action, argument), tooltipText);
 
+        public void AddLink(LocalisableString text, LinkAction action, string argument, string tooltipText = null, Action<SpriteText> creationParameters = null)
+        {
+            var spriteText = new OsuSpriteText { Text = text };
+
+            AddText(spriteText, creationParameters);
+            createLink(spriteText.Yield(), new LinkDetails(action, argument), tooltipText);
+        }
+
         public void AddLink(IEnumerable<SpriteText> text, LinkAction action = LinkAction.External, string linkArgument = null, string tooltipText = null)
         {
             foreach (var t in text)

osu.Game/Graphics/Containers/Markdown/OsuMarkdownContainer.cs

@@ -6,11 +6,13 @@ using Markdig.Extensions.AutoIdentifiers;
 using Markdig.Extensions.Tables;
 using Markdig.Extensions.Yaml;
 using Markdig.Syntax;
+using osu.Framework.Allocation;
 using osu.Framework.Graphics;
 using osu.Framework.Graphics.Containers;
 using osu.Framework.Graphics.Containers.Markdown;
 using osu.Framework.Graphics.Sprites;
 using osu.Game.Graphics.Sprites;
+using osu.Game.Online.API;
 
 namespace osu.Game.Graphics.Containers.Markdown
 {
@@ -21,6 +23,16 @@ namespace osu.Game.Graphics.Containers.Markdown
             LineSpacing = 21;
         }
 
+        protected override IReadOnlyDependencyContainer CreateChildDependencies(IReadOnlyDependencyContainer parent)
+        {
+            var api = parent.Get<IAPIProvider>();
+
+            // needs to be set before the base BDL call executes to avoid invalidating any already populated markdown content.
+            DocumentUrl = api.WebsiteRootUrl;
+
+            return base.CreateChildDependencies(parent);
+        }
+
         protected override void AddMarkdownComponent(IMarkdownObject markdownObject, FillFlowContainer container, int level)
         {
             switch (markdownObject)

osu.Game/Graphics/Containers/Markdown/OsuMarkdownLinkText.cs

@@ -1,48 +1,63 @@
 // 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 Markdig.Syntax.Inlines;
 using osu.Framework.Allocation;
+using osu.Framework.Graphics;
 using osu.Framework.Graphics.Containers.Markdown;
-using osu.Framework.Graphics.Sprites;
-using osu.Framework.Input.Events;
+using osu.Game.Online.Chat;
 using osu.Game.Overlays;
 
 namespace osu.Game.Graphics.Containers.Markdown
 {
     public class OsuMarkdownLinkText : MarkdownLinkText
     {
-        [Resolved]
-        private OverlayColourProvider colourProvider { get; set; }
+        [Resolved(canBeNull: true)]
+        private OsuGame game { get; set; }
 
-        private SpriteText spriteText;
+        private readonly string text;
+        private readonly string title;
 
         public OsuMarkdownLinkText(string text, LinkInline linkInline)
             : base(text, linkInline)
         {
+            this.text = text;
+            title = linkInline.Title;
         }
 
         [BackgroundDependencyLoader]
         private void load()
         {
-            spriteText.Colour = colourProvider.Light2;
+            var textDrawable = CreateSpriteText().With(t => t.Text = text);
+
+            InternalChildren = new Drawable[]
+            {
+                textDrawable,
+                new OsuMarkdownLinkCompiler(new[] { textDrawable })
+                {
+                    RelativeSizeAxes = Axes.Both,
+                    Action = OnLinkPressed,
+                    TooltipText = title ?? Url,
+                }
+            };
         }
 
-        public override SpriteText CreateSpriteText()
-        {
-            return spriteText = base.CreateSpriteText();
-        }
+        protected override void OnLinkPressed() => game?.HandleLink(Url);
 
-        protected override bool OnHover(HoverEvent e)
+        private class OsuMarkdownLinkCompiler : DrawableLinkCompiler
         {
-            spriteText.Colour = colourProvider.Light1;
-            return base.OnHover(e);
-        }
+            public OsuMarkdownLinkCompiler(IEnumerable<Drawable> parts)
+                : base(parts)
+            {
+            }
 
-        protected override void OnHoverLost(HoverLostEvent e)
-        {
-            spriteText.Colour = colourProvider.Light2;
-            base.OnHoverLost(e);
+            [BackgroundDependencyLoader]
+            private void load(OverlayColourProvider colourProvider)
+            {
+                IdleColour = colourProvider.Light2;
+                HoverColour = colourProvider.Light1;
+            }
         }
     }
 }

osu.Game/Graphics/UserInterface/DialogButton.cs

@@ -15,6 +15,7 @@ using osu.Framework.Extensions.Color4Extensions;
 using osu.Framework.Graphics.Effects;
 using osu.Game.Graphics.Containers;
 using osu.Framework.Input.Events;
+using osu.Framework.Localisation;
 
 namespace osu.Game.Graphics.UserInterface
 {
@@ -180,9 +181,9 @@ namespace osu.Game.Graphics.UserInterface
             }
         }
 
-        private string text;
+        private LocalisableString text;
 
-        public string Text
+        public LocalisableString Text
         {
             get => text;
             set