Merge branch 'master' into score-encoding-cleanup

.github/workflows/diffcalc.yml

@@ -101,29 +101,30 @@ permissions:
   pull-requests: write
 
 env:
-  COMMENT_TAG: execution-${{ github.run_id }}-${{ github.run_number }}-${{ github.run_attempt }}
+  EXECUTION_ID: execution-${{ github.run_id }}-${{ github.run_number }}-${{ github.run_attempt }}
 
 jobs:
-  wait-for-queue:
+  check-permissions:
-    name: "Wait for previous workflows"
+    name: Check permissions
     runs-on: ubuntu-latest
-    if: ${{ !cancelled() && (github.event_name == 'workflow_dispatch' || contains(github.event.comment.body, '!diffcalc') && github.event.comment.author_association == 'OWNER') }}
+    if: ${{ github.event_name == 'workflow_dispatch' || contains(github.event.comment.body, '!diffcalc') }}
-    timeout-minutes: 50400 # 35 days, the maximum for jobs.
     steps:
-      - uses: ahmadnassri/action-workflow-queue@v1
+      - name: Check permissions
+        if: ${{ github.event_name != 'workflow_dispatch' }}
+        uses: actions-cool/check-user-permission@a0668c9aec87f3875fc56170b6452a453e9dd819 # v2.2.0
         with:
-          timeout: 2147483647 # Around 24 days, maximum supported.
+          require: 'write'
-          delay: 120000 # Poll every 2 minutes. API seems fairly low on this one.
 
   create-comment:
     name: Create PR comment
+    needs: check-permissions
     runs-on: ubuntu-latest
-    if: ${{ github.event_name == 'issue_comment' && github.event.issue.pull_request && contains(github.event.comment.body, '!diffcalc') && github.event.comment.author_association == 'OWNER' }}
+    if: ${{ github.event_name == 'issue_comment' && github.event.issue.pull_request }}
     steps:
       - name: Create comment
-        uses: thollander/actions-comment-pull-request@v2
+        uses: thollander/actions-comment-pull-request@363c6f6eae92cc5c3a66e95ba016fc771bb38943 # v2.4.2
         with:
-          comment_tag: ${{ env.COMMENT_TAG }}
+          comment_tag: ${{ env.EXECUTION_ID }}
           message: |
             Difficulty calculation queued -- please wait! (${{ github.server_url }}/${{ github.repository }}/actions/runs/${{ github.run_id }})
 
@@ -131,42 +132,37 @@ jobs:
 
   directory:
     name: Prepare directory
-    needs: wait-for-queue
+    needs: check-permissions
     runs-on: self-hosted
-    if: ${{ !cancelled() && (github.event_name == 'workflow_dispatch' || contains(github.event.comment.body, '!diffcalc') && github.event.comment.author_association == 'OWNER') }}
     outputs:
       GENERATOR_DIR: ${{ steps.set-outputs.outputs.GENERATOR_DIR }}
       GENERATOR_ENV: ${{ steps.set-outputs.outputs.GENERATOR_ENV }}
       GOOGLE_CREDS_FILE: ${{ steps.set-outputs.outputs.GOOGLE_CREDS_FILE }}
     steps:
-      - name: Checkout
-        uses: actions/checkout@v3
-
       - name: Checkout diffcalc-sheet-generator
         uses: actions/checkout@v3
         with:
-          path: 'diffcalc-sheet-generator'
+          path: ${{ env.EXECUTION_ID }}
           repository: 'smoogipoo/diffcalc-sheet-generator'
 
       - name: Set outputs
         id: set-outputs
         run: |
-          echo "GENERATOR_DIR=${{ github.workspace }}/diffcalc-sheet-generator" >> "${GITHUB_OUTPUT}"
+          echo "GENERATOR_DIR=${{ github.workspace }}/${{ env.EXECUTION_ID }}" >> "${GITHUB_OUTPUT}"
-          echo "GENERATOR_ENV=${{ github.workspace }}/diffcalc-sheet-generator/.env" >> "${GITHUB_OUTPUT}"
+          echo "GENERATOR_ENV=${{ github.workspace }}/${{ env.EXECUTION_ID }}/.env" >> "${GITHUB_OUTPUT}"
-          echo "GOOGLE_CREDS_FILE=${{ github.workspace }}/diffcalc-sheet-generator/google-credentials.json" >> "${GITHUB_OUTPUT}"
+          echo "GOOGLE_CREDS_FILE=${{ github.workspace }}/${{ env.EXECUTION_ID }}/google-credentials.json" >> "${GITHUB_OUTPUT}"
 
   environment:
     name: Setup environment
     needs: directory
     runs-on: self-hosted
-    if: ${{ !cancelled() && needs.directory.result == 'success' }}
     env:
       VARS_JSON: ${{ toJSON(vars) }}
     steps:
       - name: Add base environment
         run: |
           # Required by diffcalc-sheet-generator
-          cp '${{ github.workspace }}/diffcalc-sheet-generator/.env.sample' "${{ needs.directory.outputs.GENERATOR_ENV }}"
+          cp '${{ needs.directory.outputs.GENERATOR_DIR }}/.env.sample' "${{ needs.directory.outputs.GENERATOR_ENV }}"
 
           # Add Google credentials
           echo '${{ secrets.DIFFCALC_GOOGLE_CREDENTIALS }}' | base64 -d > "${{ needs.directory.outputs.GOOGLE_CREDS_FILE }}"
@@ -185,7 +181,7 @@ jobs:
       - name: Add pull-request environment
         if: ${{ github.event_name == 'issue_comment' && github.event.issue.pull_request }}
         run: |
-          sed -i "s;^OSU_B=.*$;OSU_B=${{ github.event.issue.pull_request.url }};" "${{ needs.directory.outputs.GENERATOR_ENV }}"
+          sed -i "s;^OSU_B=.*$;OSU_B=${{ github.event.issue.pull_request.html_url }};" "${{ needs.directory.outputs.GENERATOR_ENV }}"
 
       - name: Add comment environment
         if: ${{ github.event_name == 'issue_comment' }}
@@ -239,7 +235,6 @@ jobs:
     name: Setup scores
     needs: [ directory, environment ]
     runs-on: self-hosted
-    if: ${{ !cancelled() && needs.environment.result == 'success' }}
     steps:
       - name: Query latest data
         id: query
@@ -252,7 +247,7 @@ jobs:
 
       - name: Restore cache
         id: restore-cache
-        uses: maxnowack/local-cache@v1
+        uses: maxnowack/local-cache@038cc090b52e4f205fbc468bf5b0756df6f68775 # v1
         with:
           path: ${{ steps.query.outputs.DATA_NAME }}.tar.bz2
           key: ${{ steps.query.outputs.DATA_NAME }}
@@ -272,7 +267,6 @@ jobs:
     name: Setup beatmaps
     needs: directory
     runs-on: self-hosted
-    if: ${{ !cancelled() && needs.directory.result == 'success' }}
     steps:
       - name: Query latest data
         id: query
@@ -284,7 +278,7 @@ jobs:
 
       - name: Restore cache
         id: restore-cache
-        uses: maxnowack/local-cache@v1
+        uses: maxnowack/local-cache@038cc090b52e4f205fbc468bf5b0756df6f68775 # v1
         with:
           path: ${{ steps.query.outputs.DATA_NAME }}.tar.bz2
           key: ${{ steps.query.outputs.DATA_NAME }}
@@ -305,7 +299,6 @@ jobs:
     needs: [ directory, environment, scores, beatmaps ]
     runs-on: self-hosted
     timeout-minutes: 720
-    if: ${{ !cancelled() && needs.scores.result == 'success' && needs.beatmaps.result == 'success' }}
     outputs:
       TARGET: ${{ steps.run.outputs.TARGET }}
       SPREADSHEET_LINK: ${{ steps.run.outputs.SPREADSHEET_LINK }}
@@ -329,25 +322,39 @@ jobs:
         if: ${{ always() }}
         run: |
           cd "${{ needs.directory.outputs.GENERATOR_DIR }}"
-          docker-compose down
+          docker-compose down -v
 
+  output-cli:
+    name: Output info
+    needs: generator
+    runs-on: ubuntu-latest
+    steps:
       - name: Output info
-        if: ${{ success() }}
         run: |
-          echo "Target: ${{ steps.run.outputs.TARGET }}"
+          echo "Target: ${{ needs.generator.outputs.TARGET }}"
-          echo "Spreadsheet: ${{ steps.run.outputs.SPREADSHEET_LINK }}"
+          echo "Spreadsheet: ${{ needs.generator.outputs.SPREADSHEET_LINK }}"
+
+  cleanup:
+    name: Cleanup
+    needs: [ directory, generator ]
+    if: ${{ always() && needs.directory.result == 'success' }}
+    runs-on: self-hosted
+    steps:
+      - name: Cleanup
+        run: |
+          rm -rf "${{ needs.directory.outputs.GENERATOR_DIR }}"
 
   update-comment:
     name: Update PR comment
     needs: [ create-comment, generator ]
     runs-on: ubuntu-latest
-    if: ${{ github.event_name == 'issue_comment' && github.event.issue.pull_request && contains(github.event.comment.body, '!diffcalc') && github.event.comment.author_association == 'OWNER' }}
+    if: ${{ always() && needs.create-comment.result == 'success' }}
     steps:
       - name: Update comment on success
         if: ${{ needs.generator.result == 'success' }}
-        uses: thollander/actions-comment-pull-request@v2
+        uses: thollander/actions-comment-pull-request@363c6f6eae92cc5c3a66e95ba016fc771bb38943 # v2.4.2
         with:
-          comment_tag: ${{ env.COMMENT_TAG }}
+          comment_tag: ${{ env.EXECUTION_ID }}
           mode: upsert
           create_if_not_exists: false
           message: |
@@ -356,10 +363,18 @@ jobs:
 
       - name: Update comment on failure
         if: ${{ needs.generator.result == 'failure' }}
-        uses: thollander/actions-comment-pull-request@v2
+        uses: thollander/actions-comment-pull-request@363c6f6eae92cc5c3a66e95ba016fc771bb38943 # v2.4.2
         with:
-          comment_tag: ${{ env.COMMENT_TAG }}
+          comment_tag: ${{ env.EXECUTION_ID }}
           mode: upsert
           create_if_not_exists: false
           message: |
             Difficulty calculation failed: ${{ github.server_url }}/${{ github.repository }}/actions/runs/${{ github.run_id }}
+
+      - name: Update comment on cancellation
+        if: ${{ needs.generator.result == 'cancelled' }}
+        uses: thollander/actions-comment-pull-request@363c6f6eae92cc5c3a66e95ba016fc771bb38943 # v2.4.2
+        with:
+          comment_tag: ${{ env.EXECUTION_ID }}
+          mode: delete
+          message: '.' # Appears to be required by this action for non-error status code.

osu.Game.Rulesets.Catch.Tests/Mods/TestSceneCatchModFloatingFruits.cs

@@ -0,0 +1,21 @@
+// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
+// See the LICENCE file in the repository root for full licence text.
+
+using NUnit.Framework;
+using osu.Game.Rulesets.Catch.Mods;
+using osu.Game.Tests.Visual;
+
+namespace osu.Game.Rulesets.Catch.Tests.Mods
+{
+    public partial class TestSceneCatchModFloatingFruits : ModTestScene
+    {
+        protected override Ruleset CreatePlayerRuleset() => new CatchRuleset();
+
+        [Test]
+        public void TestFloating() => CreateModTest(new ModTestData
+        {
+            Mod = new CatchModFloatingFruits(),
+            PassCondition = () => true
+        });
+    }
+}

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

@@ -73,7 +73,7 @@ namespace osu.Game.Rulesets.Catch.Tests
         private float getCaughtObjectPosition(Fruit fruit)
         {
             var caughtObject = catcher.ChildrenOfType<CaughtObject>().Single(c => c.HitObject == fruit);
-            return caughtObject.Parent.ToSpaceOfOtherDrawable(caughtObject.Position, catcher).X;
+            return caughtObject.Parent!.ToSpaceOfOtherDrawable(caughtObject.Position, catcher).X;
         }
 
         private void catchFruit(Fruit fruit, float x)

osu.Game.Rulesets.Catch/CatchRuleset.cs

@@ -54,7 +54,7 @@ namespace osu.Game.Rulesets.Catch
             new KeyBinding(InputKey.X, CatchAction.MoveRight),
             new KeyBinding(InputKey.Right, CatchAction.MoveRight),
             new KeyBinding(InputKey.Shift, CatchAction.Dash),
-            new KeyBinding(InputKey.Shift, CatchAction.Dash),
+            new KeyBinding(InputKey.MouseLeft, CatchAction.Dash),
         };
 
         public override IEnumerable<Mod> ConvertFromLegacyMods(LegacyMods mods)

osu.Game.Rulesets.Catch/Edit/CatchBeatSnapGrid.cs

@@ -1,180 +1,19 @@
 // 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.Containers;
-using osu.Framework.Allocation;
-using osu.Framework.Caching;
-using osu.Framework.Graphics;
-using osu.Framework.Graphics.Shapes;
-using osu.Game.Graphics;
 using osu.Game.Rulesets.Catch.UI;
 using osu.Game.Rulesets.Edit;
-using osu.Game.Rulesets.Objects;
+using osu.Game.Screens.Edit.Compose.Components;
-using osu.Game.Rulesets.Objects.Drawables;
-using osu.Game.Rulesets.UI.Scrolling;
-using osu.Game.Screens.Edit;
-using osuTK.Graphics;
 
 namespace osu.Game.Rulesets.Catch.Edit
 {
-    /// <summary>
+    public partial class CatchBeatSnapGrid : BeatSnapGrid
-    /// A grid which displays coloured beat divisor lines in proximity to the selection or placement cursor.
-    /// </summary>
-    /// <remarks>
-    /// This class heavily borrows from osu!mania's implementation (ManiaBeatSnapGrid).
-    /// If further changes are to be made, they should also be applied there.
-    /// If the scale of the changes are large enough, abstracting may be a good path.
-    /// </remarks>
-    public partial class CatchBeatSnapGrid : Component
     {
-        private const double visible_range = 750;
+        protected override IEnumerable<Container> GetTargetContainers(HitObjectComposer composer) => new[]
-
-        /// <summary>
-        /// The range of time values of the current selection.
-        /// </summary>
-        public (double start, double end)? SelectionTimeRange
         {
-            set
+            ((CatchPlayfield)composer.Playfield).UnderlayElements
-            {
+        };
-                if (value == selectionTimeRange)
-                    return;
-
-                selectionTimeRange = value;
-                lineCache.Invalidate();
-            }
-        }
-
-        [Resolved]
-        private EditorBeatmap beatmap { get; set; } = null!;
-
-        [Resolved]
-        private OsuColour colours { get; set; } = null!;
-
-        [Resolved]
-        private BindableBeatDivisor beatDivisor { get; set; } = null!;
-
-        private readonly Cached lineCache = new Cached();
-
-        private (double start, double end)? selectionTimeRange;
-
-        private ScrollingHitObjectContainer lineContainer = null!;
-
-        [BackgroundDependencyLoader]
-        private void load(HitObjectComposer composer)
-        {
-            lineContainer = new ScrollingHitObjectContainer();
-
-            ((CatchPlayfield)composer.Playfield).UnderlayElements.Add(lineContainer);
-
-            beatDivisor.BindValueChanged(_ => createLines(), true);
-        }
-
-        protected override void Update()
-        {
-            base.Update();
-
-            if (!lineCache.IsValid)
-            {
-                lineCache.Validate();
-                createLines();
-            }
-        }
-
-        private readonly Stack<DrawableGridLine> availableLines = new Stack<DrawableGridLine>();
-
-        private void createLines()
-        {
-            foreach (var line in lineContainer.Objects.OfType<DrawableGridLine>())
-                availableLines.Push(line);
-
-            lineContainer.Clear();
-
-            if (selectionTimeRange == null)
-                return;
-
-            var range = selectionTimeRange.Value;
-
-            var timingPoint = beatmap.ControlPointInfo.TimingPointAt(range.start - visible_range);
-
-            double time = timingPoint.Time;
-            int beat = 0;
-
-            // progress time until in the visible range.
-            while (time < range.start - visible_range)
-            {
-                time += timingPoint.BeatLength / beatDivisor.Value;
-                beat++;
-            }
-
-            while (time < range.end + visible_range)
-            {
-                var nextTimingPoint = beatmap.ControlPointInfo.TimingPointAt(time);
-
-                // switch to the next timing point if we have reached it.
-                if (nextTimingPoint.Time > timingPoint.Time)
-                {
-                    beat = 0;
-                    time = nextTimingPoint.Time;
-                    timingPoint = nextTimingPoint;
-                }
-
-                Color4 colour = BindableBeatDivisor.GetColourFor(
-                    BindableBeatDivisor.GetDivisorForBeatIndex(beat, beatDivisor.Value), colours);
-
-                if (!availableLines.TryPop(out var line))
-                    line = new DrawableGridLine();
-
-                line.HitObject.StartTime = time;
-                line.Colour = colour;
-
-                lineContainer.Add(line);
-
-                beat++;
-                time += timingPoint.BeatLength / beatDivisor.Value;
-            }
-
-            // required to update ScrollingHitObjectContainer's cache.
-            lineContainer.UpdateSubTree();
-
-            foreach (var line in lineContainer.Objects.OfType<DrawableGridLine>())
-            {
-                time = line.HitObject.StartTime;
-
-                if (time >= range.start && time <= range.end)
-                    line.Alpha = 1;
-                else
-                {
-                    double timeSeparation = time < range.start ? range.start - time : time - range.end;
-                    line.Alpha = (float)Math.Max(0, 1 - timeSeparation / visible_range);
-                }
-            }
-        }
-
-        private partial class DrawableGridLine : DrawableHitObject
-        {
-            public DrawableGridLine()
-                : base(new HitObject())
-            {
-                RelativeSizeAxes = Axes.X;
-                Height = 2;
-
-                AddInternal(new Box { RelativeSizeAxes = Axes.Both });
-            }
-
-            [BackgroundDependencyLoader]
-            private void load()
-            {
-                Origin = Anchor.BottomLeft;
-                Anchor = Anchor.BottomLeft;
-            }
-
-            protected override void UpdateInitialTransforms()
-            {
-                // don't perform any fading – we are handling that ourselves.
-                LifetimeEnd = HitObject.StartTime + visible_range;
-            }
-        }
     }
 }

osu.Game.Rulesets.Catch/Edit/CatchDistanceSnapProvider.cs

@@ -0,0 +1,26 @@
+// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
+// See the LICENCE file in the repository root for full licence text.
+
+using System;
+using osu.Game.Rulesets.Catch.Objects;
+using osu.Game.Rulesets.Edit;
+using osu.Game.Rulesets.Objects;
+
+namespace osu.Game.Rulesets.Catch.Edit
+{
+    public partial class CatchDistanceSnapProvider : ComposerDistanceSnapProvider
+    {
+        protected override double ReadCurrentDistanceSnap(HitObject before, HitObject after)
+        {
+            // osu!catch's distance snap implementation is limited, in that a custom spacing cannot be specified.
+            // Therefore this functionality is not currently used.
+            //
+            // The implementation below is probably correct but should be checked if/when exposed via controls.
+
+            float expectedDistance = DurationToDistance(before, after.StartTime - before.GetEndTime());
+            float actualDistance = Math.Abs(((CatchHitObject)before).EffectiveX - ((CatchHitObject)after).EffectiveX);
+
+            return actualDistance / expectedDistance;
+        }
+    }
+}

osu.Game.Rulesets.Catch/Edit/CatchEditorPlayfieldAdjustmentContainer.cs

@@ -41,7 +41,7 @@ namespace osu.Game.Rulesets.Catch.Edit
             {
                 base.Update();
 
-                Scale = new Vector2(Math.Min(Parent.ChildSize.X / CatchPlayfield.WIDTH, Parent.ChildSize.Y / CatchPlayfield.HEIGHT));
+                Scale = new Vector2(Math.Min(Parent!.ChildSize.X / CatchPlayfield.WIDTH, Parent!.ChildSize.Y / CatchPlayfield.HEIGHT));
                 Height = 1 / Scale.Y;
             }
         }

osu.Game.Rulesets.Catch/Edit/CatchHitObjectComposer.cs

@@ -1,17 +1,15 @@
 // Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
 // See the LICENCE file in the repository root for full licence text.
 
-using System;
 using System.Collections.Generic;
 using System.Linq;
 using osu.Framework.Allocation;
 using osu.Framework.Bindables;
 using osu.Framework.Extensions.EnumExtensions;
 using osu.Framework.Graphics;
-using osu.Framework.Input;
+using osu.Framework.Input.Bindings;
 using osu.Framework.Input.Events;
 using osu.Game.Beatmaps;
-using osu.Game.Graphics.UserInterface;
 using osu.Game.Input.Bindings;
 using osu.Game.Rulesets.Catch.Objects;
 using osu.Game.Rulesets.Catch.UI;
@@ -20,28 +18,27 @@ using osu.Game.Rulesets.Edit.Tools;
 using osu.Game.Rulesets.Mods;
 using osu.Game.Rulesets.Objects;
 using osu.Game.Rulesets.UI;
+using osu.Game.Screens.Edit.Components.TernaryButtons;
 using osu.Game.Screens.Edit.Compose.Components;
 using osuTK;
 
 namespace osu.Game.Rulesets.Catch.Edit
 {
-    // we're also a ScrollingHitObjectComposer candidate, but can't be everything can we?
+    public partial class CatchHitObjectComposer : ScrollingHitObjectComposer<CatchHitObject>, IKeyBindingHandler<GlobalAction>
-    public partial class CatchHitObjectComposer : DistancedHitObjectComposer<CatchHitObject>
     {
         private const float distance_snap_radius = 50;
 
         private CatchDistanceSnapGrid distanceSnapGrid = null!;
 
-        private InputManager inputManager = null!;
-
-        private CatchBeatSnapGrid beatSnapGrid = null!;
-
         private readonly BindableDouble timeRangeMultiplier = new BindableDouble(1)
         {
             MinValue = 1,
             MaxValue = 10,
         };
 
+        [Cached(typeof(IDistanceSnapProvider))]
+        protected readonly CatchDistanceSnapProvider DistanceSnapProvider = new CatchDistanceSnapProvider();
+
         public CatchHitObjectComposer(CatchRuleset ruleset)
             : base(ruleset)
         {
@@ -50,8 +47,11 @@ namespace osu.Game.Rulesets.Catch.Edit
         [BackgroundDependencyLoader]
         private void load()
         {
+            AddInternal(DistanceSnapProvider);
+            DistanceSnapProvider.AttachToToolbox(RightToolbox);
+
             // todo: enable distance spacing once catch supports applying it to its existing distance snap grid implementation.
-            DistanceSpacingMultiplier.Disabled = true;
+            DistanceSnapProvider.DistanceSpacingMultiplier.Disabled = true;
 
             LayerBelowRuleset.Add(new PlayfieldBorder
             {
@@ -68,61 +68,30 @@ namespace osu.Game.Rulesets.Catch.Edit
                 Catcher.BASE_DASH_SPEED, -Catcher.BASE_DASH_SPEED,
                 Catcher.BASE_WALK_SPEED, -Catcher.BASE_WALK_SPEED,
             }));
-
-            AddInternal(beatSnapGrid = new CatchBeatSnapGrid());
         }
 
-        protected override void LoadComplete()
+        protected override IEnumerable<TernaryButton> CreateTernaryButtons()
+            => base.CreateTernaryButtons()
+                   .Concat(DistanceSnapProvider.CreateTernaryButtons());
+
+        protected override DrawableRuleset<CatchHitObject> CreateDrawableRuleset(Ruleset ruleset, IBeatmap beatmap, IReadOnlyList<Mod> mods) =>
+            new DrawableCatchEditorRuleset(ruleset, beatmap, mods)
             {
-            base.LoadComplete();
+                TimeRangeMultiplier = { BindTarget = timeRangeMultiplier, }
+            };
 
-            inputManager = GetContainingInputManager();
+        protected override ComposeBlueprintContainer CreateBlueprintContainer() => new CatchBlueprintContainer(this);
-        }
 
-        protected override void UpdateAfterChildren()
+        protected override BeatSnapGrid CreateBeatSnapGrid() => new CatchBeatSnapGrid();
+
+        protected override IReadOnlyList<HitObjectCompositionTool> CompositionTools => new HitObjectCompositionTool[]
         {
-            base.UpdateAfterChildren();
+            new FruitCompositionTool(),
+            new JuiceStreamCompositionTool(),
+            new BananaShowerCompositionTool()
+        };
 
-            if (BlueprintContainer.CurrentTool is SelectTool)
+        public bool OnPressed(KeyBindingPressEvent<GlobalAction> e)
-            {
-                if (EditorBeatmap.SelectedHitObjects.Any())
-                {
-                    beatSnapGrid.SelectionTimeRange = (EditorBeatmap.SelectedHitObjects.Min(h => h.StartTime), EditorBeatmap.SelectedHitObjects.Max(h => h.GetEndTime()));
-                }
-                else
-                    beatSnapGrid.SelectionTimeRange = null;
-            }
-            else
-            {
-                var result = FindSnappedPositionAndTime(inputManager.CurrentState.Mouse.Position);
-                if (result.Time is double time)
-                    beatSnapGrid.SelectionTimeRange = (time, time);
-                else
-                    beatSnapGrid.SelectionTimeRange = null;
-            }
-        }
-
-        protected override double ReadCurrentDistanceSnap(HitObject before, HitObject after)
-        {
-            // osu!catch's distance snap implementation is limited, in that a custom spacing cannot be specified.
-            // Therefore this functionality is not currently used.
-            //
-            // The implementation below is probably correct but should be checked if/when exposed via controls.
-
-            float expectedDistance = DurationToDistance(before, after.StartTime - before.GetEndTime());
-            float actualDistance = Math.Abs(((CatchHitObject)before).EffectiveX - ((CatchHitObject)after).EffectiveX);
-
-            return actualDistance / expectedDistance;
-        }
-
-        protected override void Update()
-        {
-            base.Update();
-
-            updateDistanceSnapGrid();
-        }
-
-        public override bool OnPressed(KeyBindingPressEvent<GlobalAction> e)
         {
             switch (e.Action)
             {
@@ -131,28 +100,19 @@ namespace osu.Game.Rulesets.Catch.Edit
                 // May be worth considering standardising "zoom" behaviour with what the timeline uses (ie. alt-wheel) but that may cause new conflicts.
                 case GlobalAction.IncreaseScrollSpeed:
                     this.TransformBindableTo(timeRangeMultiplier, timeRangeMultiplier.Value - 1, 200, Easing.OutQuint);
-                    break;
+                    return true;
 
                 case GlobalAction.DecreaseScrollSpeed:
                     this.TransformBindableTo(timeRangeMultiplier, timeRangeMultiplier.Value + 1, 200, Easing.OutQuint);
-                    break;
+                    return true;
             }
 
-            return base.OnPressed(e);
+            return false;
         }
 
-        protected override DrawableRuleset<CatchHitObject> CreateDrawableRuleset(Ruleset ruleset, IBeatmap beatmap, IReadOnlyList<Mod> mods) =>
+        public void OnReleased(KeyBindingReleaseEvent<GlobalAction> e)
-            new DrawableCatchEditorRuleset(ruleset, beatmap, mods)
         {
-                TimeRangeMultiplier = { BindTarget = timeRangeMultiplier, }
+        }
-            };
-
-        protected override IReadOnlyList<HitObjectCompositionTool> CompositionTools => new HitObjectCompositionTool[]
-        {
-            new FruitCompositionTool(),
-            new JuiceStreamCompositionTool(),
-            new BananaShowerCompositionTool()
-        };
 
         public override SnapResult FindSnappedPositionAndTime(Vector2 screenSpacePosition, SnapType snapType = SnapType.All)
         {
@@ -172,8 +132,6 @@ namespace osu.Game.Rulesets.Catch.Edit
             return result;
         }
 
-        protected override ComposeBlueprintContainer CreateBlueprintContainer() => new CatchBlueprintContainer(this);
-
         private PalpableCatchHitObject? getLastSnappableHitObject(double time)
         {
             var hitObject = EditorBeatmap.HitObjects.OfType<CatchHitObject>().LastOrDefault(h => h.GetEndTime() < time && !(h is BananaShower));
@@ -214,33 +172,12 @@ namespace osu.Game.Rulesets.Catch.Edit
                             return null;
                     }
 
-                    double timeAtCursor = ((CatchPlayfield)Playfield).TimeAtScreenSpacePosition(inputManager.CurrentState.Mouse.Position);
+                    double timeAtCursor = ((CatchPlayfield)Playfield).TimeAtScreenSpacePosition(InputManager.CurrentState.Mouse.Position);
                     return getLastSnappableHitObject(timeAtCursor);
 
                 default:
                     return null;
             }
         }
-
-        private void updateDistanceSnapGrid()
-        {
-            if (DistanceSnapToggle.Value != TernaryState.True)
-            {
-                distanceSnapGrid.Hide();
-                return;
-            }
-
-            var sourceHitObject = getDistanceSnapGridSourceHitObject();
-
-            if (sourceHitObject == null)
-            {
-                distanceSnapGrid.Hide();
-                return;
-            }
-
-            distanceSnapGrid.Show();
-            distanceSnapGrid.StartTime = sourceHitObject.GetEndTime();
-            distanceSnapGrid.StartX = sourceHitObject.EffectiveX;
-        }
     }
 }

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

@@ -1,7 +1,6 @@
 // Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
 // See the LICENCE file in the repository root for full licence text.
 
-using osu.Framework.Graphics;
 using osu.Framework.Graphics.Sprites;
 using osu.Framework.Localisation;
 using osu.Game.Rulesets.Catch.Objects;
@@ -21,10 +20,8 @@ namespace osu.Game.Rulesets.Catch.Mods
 
         public void ApplyToDrawableRuleset(DrawableRuleset<CatchHitObject> drawableRuleset)
         {
-            drawableRuleset.PlayfieldAdjustmentContainer.Anchor = Anchor.Centre;
-            drawableRuleset.PlayfieldAdjustmentContainer.Origin = Anchor.Centre;
-
             drawableRuleset.PlayfieldAdjustmentContainer.Scale = new Vector2(1, -1);
+            drawableRuleset.PlayfieldAdjustmentContainer.Y = 1 - drawableRuleset.PlayfieldAdjustmentContainer.Y;
         }
     }
 }

osu.Game.Rulesets.Catch/Objects/CatchHitObject.cs

@@ -8,6 +8,7 @@ using osu.Game.Beatmaps;
 using osu.Game.Beatmaps.ControlPoints;
 using osu.Game.Rulesets.Catch.UI;
 using osu.Game.Rulesets.Objects;
+using osu.Game.Rulesets.Objects.Legacy;
 using osu.Game.Rulesets.Objects.Types;
 using osu.Game.Rulesets.Scoring;
 using osuTK;
@@ -151,7 +152,7 @@ namespace osu.Game.Rulesets.Catch.Objects
 
             TimePreempt = (float)IBeatmapDifficultyInfo.DifficultyRange(difficulty.ApproachRate, 1800, 1200, 450);
 
-            Scale = (1.0f - 0.7f * (difficulty.CircleSize - 5) / 5) / 2;
+            Scale = LegacyRulesetExtensions.CalculateScaleFromCircleSize(difficulty.CircleSize);
         }
 
         protected override HitWindows CreateHitWindows() => HitWindows.Empty;

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

@@ -17,6 +17,7 @@ using osu.Game.Rulesets.Catch.Objects;
 using osu.Game.Rulesets.Catch.Objects.Drawables;
 using osu.Game.Rulesets.Catch.Skinning;
 using osu.Game.Rulesets.Judgements;
+using osu.Game.Rulesets.Objects.Legacy;
 using osu.Game.Skinning;
 using osuTK;
 using osuTK.Graphics;
@@ -182,11 +183,6 @@ namespace osu.Game.Rulesets.Catch.UI
         /// </summary>
         public Drawable CreateProxiedContent() => caughtObjectContainer.CreateProxy();
 
-        /// <summary>
-        /// Calculates the scale of the catcher based off the provided beatmap difficulty.
-        /// </summary>
-        private static Vector2 calculateScale(IBeatmapDifficultyInfo difficulty) => new Vector2(1.0f - 0.7f * (difficulty.CircleSize - 5) / 5);
-
         /// <summary>
         /// Calculates the width of the area used for attempting catches in gameplay.
         /// </summary>
@@ -471,6 +467,11 @@ namespace osu.Game.Rulesets.Catch.UI
             d.Expire();
         }
 
+        /// <summary>
+        /// Calculates the scale of the catcher based off the provided beatmap difficulty.
+        /// </summary>
+        private static Vector2 calculateScale(IBeatmapDifficultyInfo difficulty) => new Vector2(LegacyRulesetExtensions.CalculateScaleFromCircleSize(difficulty.CircleSize) * 2);
+
         private enum DroppedObjectAnimation
         {
             Drop,

osu.Game.Rulesets.Mania.Tests/Mods/TestSceneManiaModDoubleTime.cs

@@ -17,12 +17,16 @@ namespace osu.Game.Rulesets.Mania.Tests.Mods
     {
         private const double offset = 18;
 
+        protected override bool AllowFail => true;
+
         protected override Ruleset CreatePlayerRuleset() => new ManiaRuleset();
 
         [Test]
         public void TestHitWindowWithoutDoubleTime() => CreateModTest(new ModTestData
         {
-            PassCondition = () => Player.ScoreProcessor.JudgedHits > 0 && Player.ScoreProcessor.Accuracy.Value != 1,
+            PassCondition = () => Player.ScoreProcessor.JudgedHits > 0
+                                  && Player.ScoreProcessor.Accuracy.Value == 1
+                                  && Player.ScoreProcessor.TotalScore.Value == 1_000_000,
             Autoplay = false,
             Beatmap = new Beatmap
             {
@@ -40,10 +44,16 @@ namespace osu.Game.Rulesets.Mania.Tests.Mods
         });
 
         [Test]
-        public void TestHitWindowWithDoubleTime() => CreateModTest(new ModTestData
+        public void TestHitWindowWithDoubleTime()
         {
-            Mod = new ManiaModDoubleTime(),
+            var doubleTime = new ManiaModDoubleTime();
-            PassCondition = () => Player.ScoreProcessor.JudgedHits > 0 && Player.ScoreProcessor.Accuracy.Value == 1,
+
+            CreateModTest(new ModTestData
+            {
+                Mod = doubleTime,
+                PassCondition = () => Player.ScoreProcessor.JudgedHits > 0
+                                      && Player.ScoreProcessor.Accuracy.Value == 1
+                                      && Player.ScoreProcessor.TotalScore.Value == (long)(1_000_010 * doubleTime.ScoreMultiplier),
                 Autoplay = false,
                 Beatmap = new Beatmap
                 {
@@ -60,4 +70,5 @@ namespace osu.Game.Rulesets.Mania.Tests.Mods
                 }
             });
         }
+    }
 }

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

@@ -200,10 +200,12 @@ namespace osu.Game.Rulesets.Mania.Tests
             });
 
             assertHeadJudgement(HitResult.Perfect);
-            assertComboAtJudgement(0, 1);
+            // judgement combo offset by perfect bonus judgement. see logic in DrawableNote.CheckForResult.
+            assertComboAtJudgement(1, 1);
             assertTailJudgement(HitResult.Meh);
-            assertComboAtJudgement(1, 0);
+            assertComboAtJudgement(2, 0);
-            assertComboAtJudgement(2, 1);
+            // judgement combo offset by perfect bonus judgement. see logic in DrawableNote.CheckForResult.
+            assertComboAtJudgement(4, 1);
         }
 
         /// <summary>
@@ -380,7 +382,8 @@ namespace osu.Game.Rulesets.Mania.Tests
         [Test]
         public void TestPressAndReleaseJustAfterTailWithNearbyNote()
         {
-            Note note;
+            // Next note within tail lenience
+            Note note = new Note { StartTime = time_tail + 50 };
 
             var beatmap = new Beatmap<ManiaHitObject>
             {
@@ -392,13 +395,7 @@ namespace osu.Game.Rulesets.Mania.Tests
                         Duration = time_tail - time_head,
                         Column = 0,
                     },
-                    {
+                    note
-                        // Next note within tail lenience
-                        note = new Note
-                        {
-                            StartTime = time_tail + 50
-                        }
-                    }
                 },
                 BeatmapInfo =
                 {

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

@@ -54,7 +54,7 @@ namespace osu.Game.Rulesets.Mania.Tests
             AddAssert("all objects perfectly judged",
                 () => judgementResults.Select(result => result.Type),
                 () => Is.EquivalentTo(judgementResults.Select(result => result.Judgement.MaxResult)));
-            AddAssert("score is 1 million", () => currentPlayer.ScoreProcessor.TotalScore.Value, () => Is.EqualTo(1_000_000));
+            AddAssert("score is correct", () => currentPlayer.ScoreProcessor.TotalScore.Value, () => Is.EqualTo(1_000_030));
         }
 
         [Test]
@@ -87,7 +87,7 @@ namespace osu.Game.Rulesets.Mania.Tests
             AddAssert("all objects perfectly judged",
                 () => judgementResults.Select(result => result.Type),
                 () => Is.EquivalentTo(judgementResults.Select(result => result.Judgement.MaxResult)));
-            AddAssert("score is 1 million", () => currentPlayer.ScoreProcessor.TotalScore.Value, () => Is.EqualTo(1_000_000));
+            AddAssert("score is correct", () => currentPlayer.ScoreProcessor.TotalScore.Value, () => Is.EqualTo(1_000_040));
         }
 
         private void performTest(List<ManiaHitObject> hitObjects, List<ReplayFrame> frames)

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

@@ -44,8 +44,8 @@ namespace osu.Game.Rulesets.Mania.Edit.Blueprints
 
             if (Column != null)
             {
-                headPiece.Y = Parent.ToLocalSpace(Column.ScreenSpacePositionAtTime(HitObject.StartTime)).Y;
+                headPiece.Y = Parent!.ToLocalSpace(Column.ScreenSpacePositionAtTime(HitObject.StartTime)).Y;
-                tailPiece.Y = Parent.ToLocalSpace(Column.ScreenSpacePositionAtTime(HitObject.EndTime)).Y;
+                tailPiece.Y = Parent!.ToLocalSpace(Column.ScreenSpacePositionAtTime(HitObject.EndTime)).Y;
 
                 switch (scrollingInfo.Direction.Value)
                 {

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

@@ -37,7 +37,7 @@ namespace osu.Game.Rulesets.Mania.Edit.Blueprints
             foreach (var child in InternalChildren)
                 child.Anchor = child.Origin = anchor;
 
-            Position = Parent.ToLocalSpace(HitObjectContainer.ScreenSpacePositionAtTime(HitObject.StartTime)) - AnchorPosition;
+            Position = Parent!.ToLocalSpace(HitObjectContainer.ScreenSpacePositionAtTime(HitObject.StartTime)) - AnchorPosition;
             Width = HitObjectContainer.DrawWidth;
         }
     }

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

@@ -1,206 +1,23 @@
 // Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
 // See the LICENCE file in the repository root for full licence text.
 
-using System;
 using System.Collections.Generic;
 using System.Linq;
-using osu.Framework.Allocation;
-using osu.Framework.Bindables;
-using osu.Framework.Caching;
-using osu.Framework.Graphics;
 using osu.Framework.Graphics.Containers;
-using osu.Framework.Graphics.Pooling;
-using osu.Framework.Graphics.Shapes;
-using osu.Game.Graphics;
 using osu.Game.Rulesets.Edit;
 using osu.Game.Rulesets.Mania.UI;
-using osu.Game.Rulesets.Objects;
+using osu.Game.Screens.Edit.Compose.Components;
-using osu.Game.Rulesets.Objects.Drawables;
-using osu.Game.Rulesets.UI.Scrolling;
-using osu.Game.Screens.Edit;
-using osuTK.Graphics;
 
 namespace osu.Game.Rulesets.Mania.Edit
 {
-    /// <summary>
+    public partial class ManiaBeatSnapGrid : BeatSnapGrid
-    /// A grid which displays coloured beat divisor lines in proximity to the selection or placement cursor.
-    /// </summary>
-    public partial class ManiaBeatSnapGrid : CompositeComponent
     {
-        private const double visible_range = 750;
+        protected override IEnumerable<Container> GetTargetContainers(HitObjectComposer composer)
-
-        /// <summary>
-        /// The range of time values of the current selection.
-        /// </summary>
-        public (double start, double end)? SelectionTimeRange
         {
-            set
+            return ((ManiaPlayfield)composer.Playfield)
-            {
+                   .Stages
-                if (value == selectionTimeRange)
+                   .SelectMany(stage => stage.Columns)
-                    return;
+                   .Select(column => column.UnderlayElements);
-
-                selectionTimeRange = value;
-                lineCache.Invalidate();
-            }
-        }
-
-        [Resolved]
-        private EditorBeatmap beatmap { get; set; } = null!;
-
-        [Resolved]
-        private OsuColour colours { get; set; } = null!;
-
-        [Resolved]
-        private BindableBeatDivisor beatDivisor { get; set; } = null!;
-
-        private readonly List<ScrollingHitObjectContainer> grids = new List<ScrollingHitObjectContainer>();
-
-        private readonly DrawablePool<DrawableGridLine> linesPool = new DrawablePool<DrawableGridLine>(50);
-
-        private readonly Cached lineCache = new Cached();
-
-        private (double start, double end)? selectionTimeRange;
-
-        [BackgroundDependencyLoader]
-        private void load(HitObjectComposer composer)
-        {
-            AddInternal(linesPool);
-
-            foreach (var stage in ((ManiaPlayfield)composer.Playfield).Stages)
-            {
-                foreach (var column in stage.Columns)
-                {
-                    var lineContainer = new ScrollingHitObjectContainer();
-
-                    grids.Add(lineContainer);
-                    column.UnderlayElements.Add(lineContainer);
-                }
-            }
-
-            beatDivisor.BindValueChanged(_ => createLines(), true);
-        }
-
-        protected override void Update()
-        {
-            base.Update();
-
-            if (!lineCache.IsValid)
-            {
-                lineCache.Validate();
-                createLines();
-            }
-        }
-
-        private void createLines()
-        {
-            foreach (var grid in grids)
-                grid.Clear();
-
-            if (selectionTimeRange == null)
-                return;
-
-            var range = selectionTimeRange.Value;
-
-            var timingPoint = beatmap.ControlPointInfo.TimingPointAt(range.start - visible_range);
-
-            double time = timingPoint.Time;
-            int beat = 0;
-
-            // progress time until in the visible range.
-            while (time < range.start - visible_range)
-            {
-                time += timingPoint.BeatLength / beatDivisor.Value;
-                beat++;
-            }
-
-            while (time < range.end + visible_range)
-            {
-                var nextTimingPoint = beatmap.ControlPointInfo.TimingPointAt(time);
-
-                // switch to the next timing point if we have reached it.
-                if (nextTimingPoint.Time > timingPoint.Time)
-                {
-                    beat = 0;
-                    time = nextTimingPoint.Time;
-                    timingPoint = nextTimingPoint;
-                }
-
-                Color4 colour = BindableBeatDivisor.GetColourFor(
-                    BindableBeatDivisor.GetDivisorForBeatIndex(beat, beatDivisor.Value), colours);
-
-                foreach (var grid in grids)
-                {
-                    var line = linesPool.Get();
-
-                    line.Apply(new HitObject
-                    {
-                        StartTime = time
-                    });
-
-                    line.Colour = colour;
-
-                    grid.Add(line);
-                }
-
-                beat++;
-                time += timingPoint.BeatLength / beatDivisor.Value;
-            }
-
-            foreach (var grid in grids)
-            {
-                // required to update ScrollingHitObjectContainer's cache.
-                grid.UpdateSubTree();
-
-                foreach (var line in grid.Objects.OfType<DrawableGridLine>())
-                {
-                    time = line.HitObject.StartTime;
-
-                    if (time >= range.start && time <= range.end)
-                        line.Alpha = 1;
-                    else
-                    {
-                        double timeSeparation = time < range.start ? range.start - time : time - range.end;
-                        line.Alpha = (float)Math.Max(0, 1 - timeSeparation / visible_range);
-                    }
-                }
-            }
-        }
-
-        private partial class DrawableGridLine : DrawableHitObject
-        {
-            [Resolved]
-            private IScrollingInfo scrollingInfo { get; set; } = null!;
-
-            private readonly IBindable<ScrollingDirection> direction = new Bindable<ScrollingDirection>();
-
-            public DrawableGridLine()
-                : base(new HitObject())
-            {
-                RelativeSizeAxes = Axes.X;
-                Height = 2;
-
-                AddInternal(new Box { RelativeSizeAxes = Axes.Both });
-            }
-
-            [BackgroundDependencyLoader]
-            private void load()
-            {
-                direction.BindTo(scrollingInfo.Direction);
-                direction.BindValueChanged(onDirectionChanged, true);
-            }
-
-            private void onDirectionChanged(ValueChangedEvent<ScrollingDirection> direction)
-            {
-                Origin = Anchor = direction.NewValue == ScrollingDirection.Up
-                    ? Anchor.TopLeft
-                    : Anchor.BottomLeft;
-            }
-
-            protected override void UpdateInitialTransforms()
-            {
-                // don't perform any fading – we are handling that ourselves.
-                LifetimeEnd = HitObject.StartTime + visible_range;
-            }
         }
     }
 }

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

@@ -5,15 +5,12 @@
 
 using System.Collections.Generic;
 using System.Linq;
-using osu.Framework.Allocation;
-using osu.Framework.Input;
 using osu.Game.Beatmaps;
 using osu.Game.Rulesets.Edit;
 using osu.Game.Rulesets.Edit.Tools;
 using osu.Game.Rulesets.Mania.Objects;
 using osu.Game.Rulesets.Mania.UI;
 using osu.Game.Rulesets.Mods;
-using osu.Game.Rulesets.Objects;
 using osu.Game.Rulesets.UI;
 using osu.Game.Rulesets.UI.Scrolling;
 using osu.Game.Screens.Edit.Compose.Components;
@@ -24,32 +21,12 @@ namespace osu.Game.Rulesets.Mania.Edit
     public partial class ManiaHitObjectComposer : ScrollingHitObjectComposer<ManiaHitObject>
     {
         private DrawableManiaEditorRuleset drawableRuleset;
-        private ManiaBeatSnapGrid beatSnapGrid;
-        private InputManager inputManager;
 
         public ManiaHitObjectComposer(Ruleset ruleset)
             : base(ruleset)
         {
         }
 
-        [BackgroundDependencyLoader]
-        private void load()
-        {
-            AddInternal(beatSnapGrid = new ManiaBeatSnapGrid());
-        }
-
-        protected override void LoadComplete()
-        {
-            base.LoadComplete();
-
-            inputManager = GetContainingInputManager();
-        }
-
-        private DependencyContainer dependencies;
-
-        protected override IReadOnlyDependencyContainer CreateChildDependencies(IReadOnlyDependencyContainer parent)
-            => dependencies = new DependencyContainer(base.CreateChildDependencies(parent));
-
         public new ManiaPlayfield Playfield => ((ManiaPlayfield)drawableRuleset.Playfield);
 
         public IScrollingInfo ScrollingInfo => drawableRuleset.ScrollingInfo;
@@ -57,48 +34,20 @@ namespace osu.Game.Rulesets.Mania.Edit
         protected override Playfield PlayfieldAtScreenSpacePosition(Vector2 screenSpacePosition) =>
             Playfield.GetColumnByPosition(screenSpacePosition);
 
-        protected override DrawableRuleset<ManiaHitObject> CreateDrawableRuleset(Ruleset ruleset, IBeatmap beatmap, IReadOnlyList<Mod> mods)
+        protected override DrawableRuleset<ManiaHitObject> CreateDrawableRuleset(Ruleset ruleset, IBeatmap beatmap, IReadOnlyList<Mod> mods) =>
-        {
             drawableRuleset = new DrawableManiaEditorRuleset(ruleset, beatmap, mods);
 
-            // This is the earliest we can cache the scrolling info to ourselves, before masks are added to the hierarchy and inject it
-            dependencies.CacheAs(drawableRuleset.ScrollingInfo);
-
-            return drawableRuleset;
-        }
-
         protected override ComposeBlueprintContainer CreateBlueprintContainer()
             => new ManiaBlueprintContainer(this);
 
+        protected override BeatSnapGrid CreateBeatSnapGrid() => new ManiaBeatSnapGrid();
+
         protected override IReadOnlyList<HitObjectCompositionTool> CompositionTools => new HitObjectCompositionTool[]
         {
             new NoteCompositionTool(),
             new HoldNoteCompositionTool()
         };
 
-        protected override void UpdateAfterChildren()
-        {
-            base.UpdateAfterChildren();
-
-            if (BlueprintContainer.CurrentTool is SelectTool)
-            {
-                if (EditorBeatmap.SelectedHitObjects.Any())
-                {
-                    beatSnapGrid.SelectionTimeRange = (EditorBeatmap.SelectedHitObjects.Min(h => h.StartTime), EditorBeatmap.SelectedHitObjects.Max(h => h.GetEndTime()));
-                }
-                else
-                    beatSnapGrid.SelectionTimeRange = null;
-            }
-            else
-            {
-                var result = FindSnappedPositionAndTime(inputManager.CurrentState.Mouse.Position);
-                if (result.Time is double time)
-                    beatSnapGrid.SelectionTimeRange = (time, time);
-                else
-                    beatSnapGrid.SelectionTimeRange = null;
-            }
-        }
-
         public override string ConvertSelectionToString()
             => string.Join(',', EditorBeatmap.SelectedHitObjects.Cast<ManiaHitObject>().OrderBy(h => h.StartTime).Select(h => $"{h.StartTime}|{h.Column}"));
     }

osu.Game.Rulesets.Mania/ManiaRuleset.cs

@@ -385,6 +385,9 @@ namespace osu.Game.Rulesets.Mania
                 HitResult.Good,
                 HitResult.Ok,
                 HitResult.Meh,
+
+                // HitResult.SmallBonus is used for awarding perfect bonus score but is not included here as
+                // it would be a bit redundant to show this to the user.
             };
         }
 

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

@@ -34,7 +34,7 @@ namespace osu.Game.Rulesets.Mania.Mods
             foreach (Column column in maniaPlayfield.Stages.SelectMany(stage => stage.Columns))
             {
                 HitObjectContainer hoc = column.HitObjectArea.HitObjectContainer;
-                Container hocParent = (Container)hoc.Parent;
+                Container hocParent = (Container)hoc.Parent!;
 
                 hocParent.Remove(hoc, false);
                 hocParent.Add(new PlayfieldCoveringWrapper(hoc).With(c =>

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

@@ -108,7 +108,11 @@ namespace osu.Game.Rulesets.Mania.Objects.Drawables
                     RelativeSizeAxes = Axes.X
                 },
                 tailContainer = new Container<DrawableHoldNoteTail> { RelativeSizeAxes = Axes.Both },
-                slidingSample = new PausableSkinnableSound { Looping = true }
+                slidingSample = new PausableSkinnableSound
+                {
+                    Looping = true,
+                    MinimumSampleVolume = MINIMUM_SAMPLE_VOLUME,
+                }
             });
 
             maskedContents.AddRange(new[]

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

@@ -3,7 +3,6 @@
 
 #nullable disable
 
-using System.Diagnostics;
 using osu.Framework.Graphics;
 using osu.Framework.Input.Events;
 using osu.Game.Rulesets.Scoring;
@@ -33,35 +32,19 @@ namespace osu.Game.Rulesets.Mania.Objects.Drawables
 
         public void UpdateResult() => base.UpdateResult(true);
 
-        protected override void CheckForResult(bool userTriggered, double timeOffset)
+        protected override void CheckForResult(bool userTriggered, double timeOffset) =>
-        {
-            Debug.Assert(HitObject.HitWindows != null);
-
             // Factor in the release lenience
-            timeOffset /= TailNote.RELEASE_WINDOW_LENIENCE;
+            base.CheckForResult(userTriggered, timeOffset / TailNote.RELEASE_WINDOW_LENIENCE);
 
-            if (!userTriggered)
+        protected override HitResult GetCappedResult(HitResult result)
-            {
-                if (!HitObject.HitWindows.CanBeHit(timeOffset))
-                    ApplyResult(r => r.Type = r.Judgement.MinResult);
-
-                return;
-            }
-
-            var result = HitObject.HitWindows.ResultFor(timeOffset);
-            if (result == HitResult.None)
-                return;
-
-            ApplyResult(r =>
         {
             // If the head wasn't hit or the hold note was broken, cap the max score to Meh.
             bool hasComboBreak = !HoldNote.Head.IsHit || HoldNote.Body.HasHoldBreak;
 
             if (result > HitResult.Meh && hasComboBreak)
-                    result = HitResult.Meh;
+                return HitResult.Meh;
 
-                r.Type = result;
+            return result;
-            });
         }
 
         public override bool OnPressed(KeyBindingPressEvent<ManiaAction> e) => false; // Handled by the hold note

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

@@ -13,6 +13,8 @@ using osu.Game.Beatmaps;
 using osu.Game.Graphics;
 using osu.Game.Rulesets.Mania.Configuration;
 using osu.Game.Rulesets.Mania.Skinning.Default;
+using osu.Game.Rulesets.Objects;
+using osu.Game.Rulesets.Objects.Drawables;
 using osu.Game.Rulesets.Scoring;
 using osu.Game.Rulesets.UI.Scrolling;
 using osu.Game.Screens.Edit;
@@ -38,6 +40,8 @@ namespace osu.Game.Rulesets.Mania.Objects.Drawables
 
         private Drawable headPiece;
 
+        private DrawableNotePerfectBonus perfectBonus;
+
         public DrawableNote()
             : this(null)
         {
@@ -89,7 +93,11 @@ namespace osu.Game.Rulesets.Mania.Objects.Drawables
             if (!userTriggered)
             {
                 if (!HitObject.HitWindows.CanBeHit(timeOffset))
+                {
+                    perfectBonus.TriggerResult(false);
                     ApplyResult(r => r.Type = r.Judgement.MinResult);
+                }
+
                 return;
             }
 
@@ -97,9 +105,23 @@ namespace osu.Game.Rulesets.Mania.Objects.Drawables
             if (result == HitResult.None)
                 return;
 
+            result = GetCappedResult(result);
+
+            perfectBonus.TriggerResult(result == HitResult.Perfect);
             ApplyResult(r => r.Type = result);
         }
 
+        public override void MissForcefully()
+        {
+            perfectBonus.TriggerResult(false);
+            base.MissForcefully();
+        }
+
+        /// <summary>
+        /// Some objects in mania may want to limit the max result.
+        /// </summary>
+        protected virtual HitResult GetCappedResult(HitResult result) => result;
+
         public virtual bool OnPressed(KeyBindingPressEvent<ManiaAction> e)
         {
             if (e.Action != Action.Value)
@@ -115,6 +137,32 @@ namespace osu.Game.Rulesets.Mania.Objects.Drawables
         {
         }
 
+        protected override void AddNestedHitObject(DrawableHitObject hitObject)
+        {
+            switch (hitObject)
+            {
+                case DrawableNotePerfectBonus bonus:
+                    AddInternal(perfectBonus = bonus);
+                    break;
+            }
+        }
+
+        protected override void ClearNestedHitObjects()
+        {
+            RemoveInternal(perfectBonus, false);
+        }
+
+        protected override DrawableHitObject CreateNestedHitObject(HitObject hitObject)
+        {
+            switch (hitObject)
+            {
+                case NotePerfectBonus bonus:
+                    return new DrawableNotePerfectBonus(bonus);
+            }
+
+            return base.CreateNestedHitObject(hitObject);
+        }
+
         private void updateSnapColour()
         {
             if (beatmap == null || HitObject == null) return;

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

@@ -0,0 +1,26 @@
+// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
+// See the LICENCE file in the repository root for full licence text.
+
+namespace osu.Game.Rulesets.Mania.Objects.Drawables
+{
+    public partial class DrawableNotePerfectBonus : DrawableManiaHitObject<NotePerfectBonus>
+    {
+        public override bool DisplayResult => false;
+
+        public DrawableNotePerfectBonus()
+            : this(null!)
+        {
+        }
+
+        public DrawableNotePerfectBonus(NotePerfectBonus hitObject)
+            : base(hitObject)
+        {
+        }
+
+        /// <summary>
+        /// Apply a judgement result.
+        /// </summary>
+        /// <param name="hit">Whether this tick was reached.</param>
+        internal void TriggerResult(bool hit) => ApplyResult(r => r.Type = hit ? r.Judgement.MaxResult : r.Judgement.MinResult);
+    }
+}

osu.Game.Rulesets.Mania/Objects/Note.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.Threading;
 using osu.Game.Rulesets.Judgements;
 using osu.Game.Rulesets.Mania.Judgements;
 
@@ -12,5 +13,12 @@ namespace osu.Game.Rulesets.Mania.Objects
     public class Note : ManiaHitObject
     {
         public override Judgement CreateJudgement() => new ManiaJudgement();
+
+        protected override void CreateNestedHitObjects(CancellationToken cancellationToken)
+        {
+            base.CreateNestedHitObjects(cancellationToken);
+
+            AddNested(new NotePerfectBonus { StartTime = StartTime });
+        }
     }
 }

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

@@ -0,0 +1,20 @@
+// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
+// See the LICENCE file in the repository root for full licence text.
+
+using osu.Game.Rulesets.Judgements;
+using osu.Game.Rulesets.Mania.Judgements;
+using osu.Game.Rulesets.Scoring;
+
+namespace osu.Game.Rulesets.Mania.Objects
+{
+    public class NotePerfectBonus : ManiaHitObject
+    {
+        public override Judgement CreateJudgement() => new NotePerfectBonusJudgement();
+        protected override HitWindows CreateHitWindows() => HitWindows.Empty;
+
+        public class NotePerfectBonusJudgement : ManiaJudgement
+        {
+            public override HitResult MaxResult => HitResult.SmallBonus;
+        }
+    }
+}

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

@@ -123,9 +123,18 @@ namespace osu.Game.Rulesets.Mania.Skinning.Legacy
 
         private void applyCustomUpdateState(DrawableHitObject hitObject, ArmedState state)
         {
-            // ensure that the hold note is also faded out when the head/tail/any tick is missed.
+            switch (hitObject)
+            {
+                // Ensure that the hold note is also faded out when the head/tail/body is missed.
+                // Importantly, we filter out unrelated objects like DrawableNotePerfectBonus.
+                case DrawableHoldNoteTail:
+                case DrawableHoldNoteHead:
+                case DrawableHoldNoteBody:
                     if (state == ArmedState.Miss)
                         missFadeTime.Value ??= hitObject.HitStateUpdateTime;
+
+                    break;
+            }
         }
 
         private void onIsHittingChanged(ValueChangedEvent<bool> isHitting)

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

@@ -109,6 +109,7 @@ namespace osu.Game.Rulesets.Mania.UI
             TopLevelContainer.Add(HitObjectArea.Explosions.CreateProxy());
 
             RegisterPool<Note, DrawableNote>(10, 50);
+            RegisterPool<NotePerfectBonus, DrawableNotePerfectBonus>(10, 50);
             RegisterPool<HoldNote, DrawableHoldNote>(10, 50);
             RegisterPool<HeadNote, DrawableHoldNoteHead>(10, 50);
             RegisterPool<TailNote, DrawableHoldNoteTail>(10, 50);

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

@@ -34,7 +34,7 @@ namespace osu.Game.Rulesets.Osu.Tests.Editor
             });
 
             moveMouseToHitObject(1);
-            AddAssert("merge option available", () => selectionHandler.ContextMenuItems.Any(o => o.Text.Value == "Merge selection"));
+            AddAssert("merge option available", () => selectionHandler.ContextMenuItems?.Any(o => o.Text.Value == "Merge selection") == true);
 
             mergeSelection();
 
@@ -198,7 +198,7 @@ namespace osu.Game.Rulesets.Osu.Tests.Editor
             });
 
             moveMouseToHitObject(1);
-            AddAssert("merge option not available", () => selectionHandler.ContextMenuItems.Length > 0 && selectionHandler.ContextMenuItems.All(o => o.Text.Value != "Merge selection"));
+            AddAssert("merge option not available", () => selectionHandler.ContextMenuItems?.Length > 0 && selectionHandler.ContextMenuItems.All(o => o.Text.Value != "Merge selection"));
             mergeSelection();
             AddAssert("circles not merged", () => circle1 is not null && circle2 is not null
                                                                       && EditorBeatmap.HitObjects.Contains(circle1) && EditorBeatmap.HitObjects.Contains(circle2));
@@ -222,7 +222,7 @@ namespace osu.Game.Rulesets.Osu.Tests.Editor
             });
 
             moveMouseToHitObject(1);
-            AddAssert("merge option available", () => selectionHandler.ContextMenuItems.Any(o => o.Text.Value == "Merge selection"));
+            AddAssert("merge option available", () => selectionHandler.ContextMenuItems?.Any(o => o.Text.Value == "Merge selection") == true);
 
             mergeSelection();
 

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

@@ -47,8 +47,7 @@ namespace osu.Game.Rulesets.Osu.Tests.Editor
         [Cached]
         private readonly BindableBeatDivisor beatDivisor = new BindableBeatDivisor();
 
-        [Cached(typeof(IDistanceSnapProvider))]
+        private readonly TestHitObjectComposer composer = new TestHitObjectComposer
-        private readonly OsuHitObjectComposer snapProvider = new OsuHitObjectComposer(new OsuRuleset())
         {
             // Just used for the snap implementation, so let's hide from vision.
             AlwaysPresent = true,
@@ -71,11 +70,18 @@ namespace osu.Game.Rulesets.Osu.Tests.Editor
             base.Content.Children = new Drawable[]
             {
                 editorClock = new EditorClock(editorBeatmap),
-                new PopoverContainer { Child = snapProvider },
+                new PopoverContainer { Child = composer },
                 Content
             };
         }
 
+        protected override IReadOnlyDependencyContainer CreateChildDependencies(IReadOnlyDependencyContainer parent)
+        {
+            var dependencies = new DependencyContainer(base.CreateChildDependencies(parent));
+            dependencies.CacheAs(composer.DistanceSnapProvider);
+            return dependencies;
+        }
+
         protected override Container<Drawable> Content { get; } = new PopoverContainer { RelativeSizeAxes = Axes.Both };
 
         [SetUp]
@@ -84,7 +90,7 @@ namespace osu.Game.Rulesets.Osu.Tests.Editor
             editorBeatmap.Difficulty.SliderMultiplier = 1;
             editorBeatmap.ControlPointInfo.Clear();
             editorBeatmap.ControlPointInfo.Add(0, new TimingControlPoint { BeatLength = beat_length });
-            snapProvider.DistanceSpacingMultiplier.Value = 1;
+            composer.DistanceSnapProvider.DistanceSpacingMultiplier.Value = 1;
 
             Children = new Drawable[]
             {
@@ -116,7 +122,7 @@ namespace osu.Game.Rulesets.Osu.Tests.Editor
         [TestCase(0.5f)]
         public void TestDistanceSpacing(float multiplier)
         {
-            AddStep($"set distance spacing = {multiplier}", () => snapProvider.DistanceSpacingMultiplier.Value = multiplier);
+            AddStep($"set distance spacing = {multiplier}", () => composer.DistanceSnapProvider.DistanceSpacingMultiplier.Value = multiplier);
         }
 
         [Test]
@@ -153,7 +159,7 @@ namespace osu.Game.Rulesets.Osu.Tests.Editor
         [TestCase(2f, beat_length * 2)]
         public void TestDistanceSpacingAdjust(float multiplier, float expectedDistance)
         {
-            AddStep($"Set distance spacing to {multiplier}", () => snapProvider.DistanceSpacingMultiplier.Value = multiplier);
+            AddStep($"Set distance spacing to {multiplier}", () => composer.DistanceSnapProvider.DistanceSpacingMultiplier.Value = multiplier);
             AddStep("move mouse to point", () => InputManager.MoveMouseTo(grid.ToScreenSpace(grid_position + new Vector2(beat_length, 0) * 2)));
 
             assertSnappedDistance(expectedDistance);
@@ -266,5 +272,15 @@ namespace osu.Game.Rulesets.Osu.Tests.Editor
                 cursor.Position = LastSnappedPosition = GetSnapPosition.Invoke(inputManager.CurrentState.Mouse.Position);
             }
         }
+
+        private partial class TestHitObjectComposer : OsuHitObjectComposer
+        {
+            public new IDistanceSnapProvider DistanceSnapProvider => base.DistanceSnapProvider;
+
+            public TestHitObjectComposer()
+                : base(new OsuRuleset())
+            {
+            }
+        }
     }
 }

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

@@ -169,7 +169,7 @@ namespace osu.Game.Rulesets.Osu.Tests.Editor
             AddStep($"move mouse to control point {index}", () =>
             {
                 Vector2 position = slider.Path.ControlPoints[index].Position;
-                InputManager.MoveMouseTo(visualiser.Pieces[0].Parent.ToScreenSpace(position));
+                InputManager.MoveMouseTo(visualiser.Pieces[0].Parent!.ToScreenSpace(position));
             });
         }
 

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

@@ -169,7 +169,7 @@ namespace osu.Game.Rulesets.Osu.Tests.Editor
             AddStep($"move mouse to {relativePosition}", () =>
             {
                 Vector2 position = slider.Position + relativePosition;
-                InputManager.MoveMouseTo(drawableObject.Parent.ToScreenSpace(position));
+                InputManager.MoveMouseTo(drawableObject.Parent!.ToScreenSpace(position));
             });
 
         [Test]
@@ -331,7 +331,7 @@ namespace osu.Game.Rulesets.Osu.Tests.Editor
             AddStep($"move mouse to {relativePosition}", () =>
             {
                 Vector2 position = slider.Position + relativePosition;
-                InputManager.MoveMouseTo(drawableObject.Parent.ToScreenSpace(position));
+                InputManager.MoveMouseTo(drawableObject.Parent!.ToScreenSpace(position));
             });
         }
 
@@ -340,7 +340,7 @@ namespace osu.Game.Rulesets.Osu.Tests.Editor
             AddStep($"move mouse to control point {index}", () =>
             {
                 Vector2 position = slider.Position + slider.Path.ControlPoints[index].Position;
-                InputManager.MoveMouseTo(drawableObject.Parent.ToScreenSpace(position));
+                InputManager.MoveMouseTo(drawableObject.Parent!.ToScreenSpace(position));
             });
         }
 

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

@@ -187,7 +187,7 @@ namespace osu.Game.Rulesets.Osu.Tests.Editor
             AddStep($"move mouse to control point {index}", () =>
             {
                 Vector2 position = slider.Position + slider.Path.ControlPoints[index].Position;
-                InputManager.MoveMouseTo(drawableObject.Parent.ToScreenSpace(position));
+                InputManager.MoveMouseTo(drawableObject.Parent!.ToScreenSpace(position));
             });
         }
 

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

@@ -101,7 +101,7 @@ namespace osu.Game.Rulesets.Osu.Tests.Editor
             {
                 var firstPiece = this.ChildrenOfType<PathControlPointPiece<Slider>>().Single(piece => piece.ControlPoint == slider.Path.ControlPoints[0]);
                 var pos = slider.Path.PositionAt(0.25d) + slider.Position;
-                InputManager.MoveMouseTo(firstPiece.Parent.ToScreenSpace(pos));
+                InputManager.MoveMouseTo(firstPiece.Parent!.ToScreenSpace(pos));
             });
             AddStep("move slider end", () =>
             {

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

@@ -231,7 +231,7 @@ namespace osu.Game.Rulesets.Osu.Tests.Editor
                 if (slider is null || visualiser is null) return;
 
                 Vector2 position = slider.Path.ControlPoints[index].Position + slider.Position;
-                InputManager.MoveMouseTo(visualiser.Pieces[0].Parent.ToScreenSpace(position));
+                InputManager.MoveMouseTo(visualiser.Pieces[0].Parent!.ToScreenSpace(position));
             });
         }
 
@@ -241,7 +241,7 @@ namespace osu.Game.Rulesets.Osu.Tests.Editor
             {
                 if (visualiser is null) return;
 
-                MenuItem? item = visualiser.ContextMenuItems.FirstOrDefault(menuItem => menuItem.Text.Value == contextMenuText);
+                MenuItem? item = visualiser.ContextMenuItems?.FirstOrDefault(menuItem => menuItem.Text.Value == contextMenuText);
 
                 item?.Action.Value?.Invoke();
             });

osu.Game.Rulesets.Osu.Tests/Mods/TestSceneOsuModAutoplay.cs

@@ -51,8 +51,9 @@ namespace osu.Game.Rulesets.Osu.Tests.Mods
                 FinalRate = { Value = 1.3 }
             });
 
-        [Test]
+        [TestCase(6.25f)]
-        public void TestPerfectScoreOnShortSliderWithRepeat()
+        [TestCase(20)]
+        public void TestPerfectScoreOnShortSliderWithRepeat(float pathLength)
         {
             AddStep("set score to standardised", () => LocalConfig.SetValue(OsuSetting.ScoreDisplayMode, ScoringMode.Standardised));
 
@@ -70,7 +71,7 @@ namespace osu.Game.Rulesets.Osu.Tests.Mods
                             Path = new SliderPath(new[]
                             {
                                 new PathControlPoint(),
-                                new PathControlPoint(new Vector2(0, 6.25f))
+                                new PathControlPoint(new Vector2(0, pathLength))
                             }),
                             RepeatCount = 1,
                             SliderVelocityMultiplier = 10

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

@@ -3,6 +3,7 @@
 
 using System;
 using System.Collections.Generic;
+using System.Linq;
 using NUnit.Framework;
 using osu.Framework.Utils;
 using osu.Game.Rulesets.Objects;
@@ -33,8 +34,21 @@ namespace osu.Game.Rulesets.Osu.Tests
             switch (hitObject)
             {
                 case Slider slider:
+                    var objects = new List<ConvertValue>();
+
                     foreach (var nested in slider.NestedHitObjects)
-                        yield return createConvertValue((OsuHitObject)nested);
+                        objects.Add(createConvertValue((OsuHitObject)nested, slider));
+
+                    // stable does slider tail leniency by offsetting the last tick 36ms back.
+                    // based on player feedback, we're doing this a little different in lazer,
+                    // and the lazer method does not require offsetting the last tick
+                    // (see `DrawableSliderTail.CheckForResult()`).
+                    // however, in conversion tests, just so the output matches, we're bringing
+                    // the 36ms offset back locally.
+                    // in particular, on some sliders, this may rearrange nested objects,
+                    // so we sort them again by start time to prevent test failures.
+                    foreach (var obj in objects.OrderBy(cv => cv.StartTime))
+                        yield return obj;
 
                     break;
 
@@ -44,14 +58,30 @@ namespace osu.Game.Rulesets.Osu.Tests
                     break;
             }
 
-            static ConvertValue createConvertValue(OsuHitObject obj) => new ConvertValue
+            static ConvertValue createConvertValue(OsuHitObject obj, OsuHitObject? parent = null)
             {
-                StartTime = obj.StartTime,
+                double startTime = obj.StartTime;
-                EndTime = obj.GetEndTime(),
+                double endTime = obj.GetEndTime();
+
+                // as stated in the inline comment above, this is locally bringing back
+                // the stable treatment of the "legacy last tick" just to make sure
+                // that the conversion output matches.
+                // compare: `SliderEventGenerator.Generate()`, and the calculation of `legacyLastTickTime`.
+                if (obj is SliderTailCircle && parent is Slider slider)
+                {
+                    startTime = Math.Max(startTime + SliderEventGenerator.TAIL_LENIENCY, slider.StartTime + slider.Duration / 2);
+                    endTime = Math.Max(endTime + SliderEventGenerator.TAIL_LENIENCY, slider.StartTime + slider.Duration / 2);
+                }
+
+                return new ConvertValue
+                {
+                    StartTime = startTime,
+                    EndTime = endTime,
                     X = obj.StackedPosition.X,
                     Y = obj.StackedPosition.Y
                 };
             }
+        }
 
         protected override Ruleset CreateRuleset() => new OsuRuleset();
     }

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

@@ -15,19 +15,22 @@ namespace osu.Game.Rulesets.Osu.Tests
     {
         protected override string ResourceAssembly => "osu.Game.Rulesets.Osu";
 
-        [TestCase(6.7115569159190587d, 206, "diffcalc-test")]
+        [TestCase(6.710442985146793d, 206, "diffcalc-test")]
-        [TestCase(1.4391311903612753d, 45, "zero-length-sliders")]
+        [TestCase(1.4386882251130073d, 45, "zero-length-sliders")]
+        [TestCase(0.42506480230838789d, 2, "very-fast-slider")]
         [TestCase(0.14102693012101306d, 1, "nan-slider")]
         public void Test(double expectedStarRating, int expectedMaxCombo, string name)
             => base.Test(expectedStarRating, expectedMaxCombo, name);
 
-        [TestCase(8.9757300665532966d, 206, "diffcalc-test")]
+        [TestCase(8.9742952703071666d, 206, "diffcalc-test")]
-        [TestCase(1.7437232654020756d, 45, "zero-length-sliders")]
+        [TestCase(0.55071082800473514d, 2, "very-fast-slider")]
+        [TestCase(1.743180218215227d, 45, "zero-length-sliders")]
         public void TestClockRateAdjusted(double expectedStarRating, int expectedMaxCombo, string name)
             => Test(expectedStarRating, expectedMaxCombo, name, new OsuModDoubleTime());
 
-        [TestCase(6.7115569159190587d, 239, "diffcalc-test")]
+        [TestCase(6.710442985146793d, 239, "diffcalc-test")]
-        [TestCase(1.4391311903612753d, 54, "zero-length-sliders")]
+        [TestCase(0.42506480230838789d, 4, "very-fast-slider")]
+        [TestCase(1.4386882251130073d, 54, "zero-length-sliders")]
         public void TestClassicMod(double expectedStarRating, int expectedMaxCombo, string name)
             => Test(expectedStarRating, expectedMaxCombo, name, new OsuModClassic());
 

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

@@ -0,0 +1,111 @@
+// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
+// See the LICENCE file in the repository root for full licence text.
+
+using System;
+using System.Collections.Generic;
+using osu.Game.Rulesets.Osu.Replays;
+using osu.Game.Rulesets.Replays;
+using osuTK;
+
+namespace osu.Game.Rulesets.Osu.Tests
+{
+    public class SpinFramesGenerator
+    {
+        /// <summary>
+        /// A small amount to spin beyond a given angle to mitigate floating-point precision errors.
+        /// </summary>
+        public const float SPIN_ERROR = MathF.PI / 8;
+
+        /// <summary>
+        /// The offset from the centre of the spinner at which to spin.
+        /// </summary>
+        private const float centre_spin_offset = 50;
+
+        private readonly double startTime;
+        private readonly float startAngle;
+        private readonly List<(float deltaAngle, double duration)> sequences = new List<(float deltaAngle, double duration)>();
+
+        /// <summary>
+        /// Creates a new <see cref="SpinFramesGenerator"/> that can be used to generate spinner spin frames.
+        /// </summary>
+        /// <param name="startTime">The time at which to start spinning.</param>
+        /// <param name="startAngle">The angle, in radians, at which to start spinning from. Defaults to the positive-y-axis.</param>
+        public SpinFramesGenerator(double startTime, float startAngle = -MathF.PI / 2f)
+        {
+            this.startTime = startTime;
+            this.startAngle = startAngle;
+        }
+
+        /// <summary>
+        /// Performs a single spin.
+        /// </summary>
+        /// <param name="delta">The amount of degrees to spin.</param>
+        /// <param name="duration">The time to spend to perform the spin.</param>
+        /// <returns>This <see cref="SpinFramesGenerator"/>.</returns>
+        public SpinFramesGenerator Spin(float delta, double duration)
+        {
+            sequences.Add((delta / 360 * 2 * MathF.PI, duration));
+            return this;
+        }
+
+        /// <summary>
+        /// Constructs the replay frames.
+        /// </summary>
+        /// <returns>The replay frames.</returns>
+        public List<ReplayFrame> Build()
+        {
+            List<ReplayFrame> frames = new List<ReplayFrame>();
+
+            double lastTime = startTime;
+            float lastAngle = startAngle;
+            int lastDirection = 0;
+
+            for (int i = 0; i < sequences.Count; i++)
+            {
+                var seq = sequences[i];
+
+                int seqDirection = Math.Sign(seq.deltaAngle);
+                float seqError = SPIN_ERROR * seqDirection;
+
+                if (seqDirection == lastDirection)
+                {
+                    // Spinning in the same direction, but the error was already added in the last rotation.
+                    seqError = 0;
+                }
+                else if (lastDirection != 0)
+                {
+                    // Spinning in a different direction, we need to account for the error of the start angle, so double it.
+                    seqError *= 2;
+                }
+
+                double seqStartTime = lastTime;
+                double seqEndTime = lastTime + seq.duration;
+                float seqStartAngle = lastAngle;
+                float seqEndAngle = seqStartAngle + seq.deltaAngle + seqError;
+
+                // Intermediate spin frames.
+                for (; lastTime < seqEndTime; lastTime += 10)
+                    frames.Add(new OsuReplayFrame(lastTime, calcOffsetAt((lastTime - seqStartTime) / (seqEndTime - seqStartTime), seqStartAngle, seqEndAngle), OsuAction.LeftButton));
+
+                // Final frame at the end of the current spin.
+                frames.Add(new OsuReplayFrame(seqEndTime, calcOffsetAt(1, seqStartAngle, seqEndAngle), OsuAction.LeftButton));
+
+                lastTime = seqEndTime;
+                lastAngle = seqEndAngle;
+                lastDirection = seqDirection;
+            }
+
+            // Key release frame.
+            if (frames.Count > 0)
+                frames.Add(new OsuReplayFrame(frames[^1].Time, ((OsuReplayFrame)frames[^1]).Position));
+
+            return frames;
+        }
+
+        private static Vector2 calcOffsetAt(double p, float startAngle, float endAngle)
+        {
+            float angle = startAngle + (endAngle - startAngle) * (float)p;
+            return new Vector2(256, 192) + centre_spin_offset * new Vector2(MathF.Cos(angle), MathF.Sin(angle));
+        }
+    }
+}

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

@@ -0,0 +1,135 @@
+// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
+// See the LICENCE file in the repository root for full licence text.
+
+using NUnit.Framework;
+using osu.Game.Rulesets.Osu.Objects.Drawables;
+
+namespace osu.Game.Rulesets.Osu.Tests
+{
+    [TestFixture]
+    public class SpinnerSpinHistoryTest
+    {
+        private SpinnerSpinHistory history = null!;
+
+        [SetUp]
+        public void Setup()
+        {
+            history = new SpinnerSpinHistory();
+        }
+
+        [TestCase(0, 0)]
+        [TestCase(10, 10)]
+        [TestCase(180, 180)]
+        [TestCase(350, 350)]
+        [TestCase(360, 360)]
+        [TestCase(370, 370)]
+        [TestCase(540, 540)]
+        [TestCase(720, 720)]
+        // ---
+        [TestCase(-0, 0)]
+        [TestCase(-10, 10)]
+        [TestCase(-180, 180)]
+        [TestCase(-350, 350)]
+        [TestCase(-360, 360)]
+        [TestCase(-370, 370)]
+        [TestCase(-540, 540)]
+        [TestCase(-720, 720)]
+        public void TestSpinOneDirection(float spin, float expectedRotation)
+        {
+            history.ReportDelta(500, spin);
+            Assert.That(history.TotalRotation, Is.EqualTo(expectedRotation));
+        }
+
+        [TestCase(0, 0, 0, 0)]
+        // ---
+        [TestCase(10, -10, 0, 10)]
+        [TestCase(-10, 10, 0, 10)]
+        // ---
+        [TestCase(10, -20, 0, 10)]
+        [TestCase(-10, 20, 0, 10)]
+        // ---
+        [TestCase(20, -10, 0, 20)]
+        [TestCase(-20, 10, 0, 20)]
+        // ---
+        [TestCase(10, -360, 0, 350)]
+        [TestCase(-10, 360, 0, 350)]
+        // ---
+        [TestCase(360, -10, 0, 370)]
+        [TestCase(360, 10, 0, 370)]
+        [TestCase(-360, 10, 0, 370)]
+        [TestCase(-360, -10, 0, 370)]
+        // ---
+        [TestCase(10, 10, 10, 30)]
+        [TestCase(10, 10, -10, 20)]
+        [TestCase(10, -10, 10, 10)]
+        [TestCase(-10, -10, -10, 30)]
+        [TestCase(-10, -10, 10, 20)]
+        [TestCase(-10, 10, 10, 10)]
+        // ---
+        [TestCase(10, -20, -350, 360)]
+        [TestCase(10, -20, 350, 340)]
+        [TestCase(-10, 20, 350, 360)]
+        [TestCase(-10, 20, -350, 340)]
+        public void TestSpinMultipleDirections(float spin1, float spin2, float spin3, float expectedRotation)
+        {
+            history.ReportDelta(500, spin1);
+            history.ReportDelta(1000, spin2);
+            history.ReportDelta(1500, spin3);
+            Assert.That(history.TotalRotation, Is.EqualTo(expectedRotation));
+        }
+
+        // One spin
+        [TestCase(370, -50, 320)]
+        [TestCase(-370, 50, 320)]
+        // Two spins
+        [TestCase(740, -420, 320)]
+        [TestCase(-740, 420, 320)]
+        public void TestRemoveAndCrossFullSpin(float deltaToAdd, float deltaToRemove, float expectedRotation)
+        {
+            history.ReportDelta(1000, deltaToAdd);
+            history.ReportDelta(500, deltaToRemove);
+            Assert.That(history.TotalRotation, Is.EqualTo(expectedRotation));
+        }
+
+        // One spin + partial
+        [TestCase(400, -30, -50, 320)]
+        [TestCase(-400, 30, 50, 320)]
+        // Two spins + partial
+        [TestCase(800, -430, -50, 320)]
+        [TestCase(-800, 430, 50, 320)]
+        public void TestRemoveAndCrossFullAndPartialSpins(float deltaToAdd1, float deltaToAdd2, float deltaToRemove, float expectedRotation)
+        {
+            history.ReportDelta(1000, deltaToAdd1);
+            history.ReportDelta(1500, deltaToAdd2);
+            history.ReportDelta(500, deltaToRemove);
+            Assert.That(history.TotalRotation, Is.EqualTo(expectedRotation));
+        }
+
+        [Test]
+        public void TestRewindMultipleFullSpins()
+        {
+            history.ReportDelta(500, 360);
+            history.ReportDelta(1000, 720);
+
+            Assert.That(history.TotalRotation, Is.EqualTo(1080));
+
+            history.ReportDelta(250, -900);
+
+            Assert.That(history.TotalRotation, Is.EqualTo(180));
+        }
+
+        [Test]
+        public void TestRewindOverDirectionChange()
+        {
+            history.ReportDelta(1000, 40); // max is now CW 40 degrees
+            Assert.That(history.TotalRotation, Is.EqualTo(40));
+            history.ReportDelta(1100, -90); // max is now CCW 50 degrees
+            Assert.That(history.TotalRotation, Is.EqualTo(50));
+            history.ReportDelta(1200, 110); // max is now CW 60 degrees
+            Assert.That(history.TotalRotation, Is.EqualTo(60));
+
+            history.ReportDelta(1000, -20);
+            Assert.That(history.TotalRotation, Is.EqualTo(40));
+        }
+    }
+}

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

@@ -78,7 +78,7 @@ namespace osu.Game.Rulesets.Osu.Tests
             {
                 RelativeSizeAxes = Axes.Both,
                 Size = new Vector2(0.8f),
-                Child = new MovingCursorInputManager { Child = createContent?.Invoke() }
+                Child = new MovingCursorInputManager { Child = createContent() }
             });
         });
 

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

@@ -75,7 +75,7 @@ namespace osu.Game.Rulesets.Osu.Tests
                         pool = pools[poolIndex];
 
                         // We need to make sure neither the pool nor the judgement get disposed when new content is set, and they both share the same parent.
-                        ((Container)pool.Parent).Clear(false);
+                        ((Container)pool.Parent!).Clear(false);
                     }
 
                     var container = new Container

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

@@ -356,15 +356,16 @@ namespace osu.Game.Rulesets.Osu.Tests
                 },
             };
 
-            performTest(hitObjects, new List<ReplayFrame>
+            List<ReplayFrame> frames = new List<ReplayFrame>
             {
                 new OsuReplayFrame { Time = time_spinner - 90, Position = positionCircle, Actions = { OsuAction.LeftButton } },
-                new OsuReplayFrame { Time = time_spinner + 10, Position = new Vector2(236, 192), Actions = { OsuAction.RightButton } },
+            };
-                new OsuReplayFrame { Time = time_spinner + 20, Position = new Vector2(256, 172), Actions = { OsuAction.RightButton } },
+
-                new OsuReplayFrame { Time = time_spinner + 30, Position = new Vector2(276, 192), Actions = { OsuAction.RightButton } },
+            frames.AddRange(new SpinFramesGenerator(time_spinner + 10)
-                new OsuReplayFrame { Time = time_spinner + 40, Position = new Vector2(256, 212), Actions = { OsuAction.RightButton } },
+                            .Spin(360, 500)
-                new OsuReplayFrame { Time = time_spinner + 50, Position = new Vector2(236, 192), Actions = { OsuAction.RightButton } },
+                            .Build());
-            });
+
+            performTest(hitObjects, frames);
 
             addJudgementAssert(hitObjects[0], HitResult.Great);
             addJudgementAssert(hitObjects[1], HitResult.Meh);

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

@@ -27,6 +27,7 @@ using osu.Game.Rulesets.Objects;
 using osu.Game.Rulesets.Objects.Drawables;
 using osu.Game.Rulesets.Objects.Types;
 using osu.Game.Rulesets.Osu.Configuration;
+using osu.Game.Rulesets.Osu.Mods;
 
 namespace osu.Game.Rulesets.Osu.Tests
 {
@@ -50,6 +51,8 @@ namespace osu.Game.Rulesets.Osu.Tests
                 snakingOut.Value = !v;
             });
 
+            AddToggleStep("toggle hidden", hiddenActive => SelectedMods.Value = hiddenActive ? new[] { new OsuModHidden() } : Array.Empty<Mod>());
+
             AddSliderStep("hit at", 0f, 1f, 0f, v =>
             {
                 progressToHit = v;

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

@@ -10,6 +10,7 @@ using osu.Game.Beatmaps;
 using osu.Game.Replays;
 using osu.Game.Rulesets.Judgements;
 using osu.Game.Rulesets.Objects;
+using osu.Game.Rulesets.Objects.Legacy;
 using osu.Game.Rulesets.Objects.Types;
 using osu.Game.Rulesets.Osu.Objects;
 using osu.Game.Rulesets.Osu.Replays;
@@ -35,7 +36,7 @@ namespace osu.Game.Rulesets.Osu.Tests
         {
             const double time_slider_start = 1000;
 
-            float circleRadius = OsuHitObject.OBJECT_RADIUS * (1.0f - 0.7f * (circleSize - 5) / 5) / 2;
+            float circleRadius = OsuHitObject.OBJECT_RADIUS * LegacyRulesetExtensions.CalculateScaleFromCircleSize(circleSize, true);
             float followCircleRadius = circleRadius * 1.2f;
 
             performTest(new Beatmap<OsuHitObject>

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

@@ -1,13 +1,12 @@
 // Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
 // See the LICENCE file in the repository root for full licence text.
 
-#nullable disable
-
 using System.Collections.Generic;
 using System.Linq;
 using NUnit.Framework;
 using osu.Framework.Screens;
 using osu.Game.Beatmaps;
+using osu.Game.Beatmaps.ControlPoints;
 using osu.Game.Replays;
 using osu.Game.Rulesets.Judgements;
 using osu.Game.Rulesets.Objects;
@@ -33,7 +32,100 @@ namespace osu.Game.Rulesets.Osu.Tests
         private const double time_during_slide_4 = 3800;
         private const double time_slider_end = 4000;
 
-        private List<JudgementResult> judgementResults;
+        private ScoreAccessibleReplayPlayer currentPlayer = null!;
+
+        private const float slider_path_length = 25;
+
+        private readonly List<JudgementResult> judgementResults = new List<JudgementResult>();
+
+        // Making these too short causes breakage from frames not being processed fast enough.
+        // To keep things simple, these tests are crafted to always be >16ms length.
+        // If sliders shorter than this are ever used in gameplay it will probably break things and we can revisit.
+        [TestCase(30, 0)]
+        [TestCase(30, 1)]
+        [TestCase(40, 0)]
+        [TestCase(40, 1)]
+        [TestCase(50, 1)]
+        [TestCase(60, 1)]
+        [TestCase(70, 1)]
+        [TestCase(80, 1)]
+        [TestCase(80, 0)]
+        [TestCase(80, 10)]
+        [TestCase(90, 1)]
+        [Ignore("headless test doesn't run at high enough precision for this to always enter a tracking state in time.")]
+        public void TestVeryShortSlider(float sliderLength, int repeatCount)
+        {
+            Slider slider;
+
+            performTest(new List<ReplayFrame>
+            {
+                new OsuReplayFrame { Position = new Vector2(10, 0), Actions = { OsuAction.LeftButton, OsuAction.RightButton }, Time = time_slider_start - 10 },
+                new OsuReplayFrame { Position = new Vector2(10, 0), Actions = { OsuAction.LeftButton, OsuAction.RightButton }, Time = time_slider_start + 2000 },
+            }, slider = new Slider
+            {
+                StartTime = time_slider_start,
+                Position = new Vector2(0, 0),
+                SliderVelocityMultiplier = 10f,
+                RepeatCount = repeatCount,
+                Path = new SliderPath(PathType.Linear, new[]
+                {
+                    Vector2.Zero,
+                    new Vector2(sliderLength, 0),
+                }),
+            }, 240, 1);
+
+            assertAllMaxJudgements();
+
+            // Even if the last tick is hit early, the slider should always execute its final judgement at its endtime.
+            // If not, hitsounds will not play on time.
+            AddAssert("Judgement offset is zero", () => judgementResults.Last().TimeOffset == 0);
+            AddAssert("Slider judged at end time", () => judgementResults.Last().TimeAbsolute, () => Is.EqualTo(slider.EndTime));
+
+            AddAssert("Slider is last judgement", () => judgementResults[^1].HitObject, Is.TypeOf<Slider>);
+            AddAssert("Tail is second last judgement", () => judgementResults[^2].HitObject, Is.TypeOf<SliderTailCircle>);
+        }
+
+        [TestCase(300, false)]
+        [TestCase(200, true)]
+        [TestCase(150, true)]
+        [TestCase(120, true)]
+        [TestCase(60, true)]
+        [TestCase(10, true)]
+        [TestCase(0, true)]
+        [TestCase(-30, false)]
+        [Ignore("headless test doesn't run at high enough precision for this to always enter a tracking state in time.")]
+        public void TestTailLeniency(float finalPosition, bool hit)
+        {
+            Slider slider;
+
+            performTest(new List<ReplayFrame>
+            {
+                new OsuReplayFrame { Position = Vector2.Zero, Actions = { OsuAction.LeftButton, OsuAction.RightButton }, Time = time_slider_start },
+                new OsuReplayFrame { Position = new Vector2(finalPosition, slider_path_length * 3), Actions = { OsuAction.LeftButton, OsuAction.RightButton }, Time = time_slider_start + 20 },
+            }, slider = new Slider
+            {
+                StartTime = time_slider_start,
+                Position = new Vector2(0, 0),
+                SliderVelocityMultiplier = 10f,
+                Path = new SliderPath(PathType.Linear, new[]
+                {
+                    Vector2.Zero,
+                    new Vector2(slider_path_length * 10, 0),
+                    new Vector2(slider_path_length * 10, slider_path_length * 3),
+                    new Vector2(0, slider_path_length * 3),
+                }),
+            }, 240, 1);
+
+            if (hit)
+                assertAllMaxJudgements();
+            else
+                AddAssert("Tracking dropped", assertMidSliderJudgementFail);
+
+            // Even if the last tick is hit early, the slider should always execute its final judgement at its endtime.
+            // If not, hitsounds will not play on time.
+            AddAssert("Judgement offset is zero", () => judgementResults.Last().TimeOffset == 0);
+            AddAssert("Slider judged at end time", () => judgementResults.Last().TimeAbsolute, () => Is.EqualTo(slider.EndTime));
+        }
 
         [Test]
         public void TestPressBothKeysSimultaneouslyAndReleaseOne()
@@ -44,7 +136,7 @@ namespace osu.Game.Rulesets.Osu.Tests
                 new OsuReplayFrame { Position = Vector2.Zero, Actions = { OsuAction.RightButton }, Time = time_during_slide_1 },
             });
 
-            AddAssert("Tracking retained", assertMaxJudge);
+            assertAllMaxJudgements();
         }
 
         /// <summary>
@@ -86,7 +178,7 @@ namespace osu.Game.Rulesets.Osu.Tests
                 new OsuReplayFrame { Position = new Vector2(0, 0), Actions = { OsuAction.RightButton }, Time = time_during_slide_2 },
             });
 
-            AddAssert("Tracking retained", assertMaxJudge);
+            assertAllMaxJudgements();
         }
 
         /// <summary>
@@ -107,7 +199,7 @@ namespace osu.Game.Rulesets.Osu.Tests
                 new OsuReplayFrame { Position = new Vector2(0, 0), Actions = { OsuAction.RightButton }, Time = time_during_slide_1 },
             });
 
-            AddAssert("Tracking retained", assertMaxJudge);
+            assertAllMaxJudgements();
         }
 
         /// <summary>
@@ -128,7 +220,7 @@ namespace osu.Game.Rulesets.Osu.Tests
                 new OsuReplayFrame { Position = new Vector2(0, 0), Actions = { OsuAction.RightButton }, Time = time_during_slide_1 },
             });
 
-            AddAssert("Tracking retained", assertMaxJudge);
+            assertAllMaxJudgements();
         }
 
         /// <summary>
@@ -301,7 +393,7 @@ namespace osu.Game.Rulesets.Osu.Tests
                 new OsuReplayFrame { Position = new Vector2(slider_path_length, OsuHitObject.OBJECT_RADIUS * 1.199f), Actions = { OsuAction.LeftButton }, Time = time_slider_end },
             });
 
-            AddAssert("Tracking kept", assertMaxJudge);
+            assertAllMaxJudgements();
         }
 
         /// <summary>
@@ -325,7 +417,13 @@ namespace osu.Game.Rulesets.Osu.Tests
             AddAssert("Tracking dropped", assertMidSliderJudgementFail);
         }
 
-        private bool assertMaxJudge() => judgementResults.Any() && judgementResults.All(t => t.Type == t.Judgement.MaxResult);
+        private void assertAllMaxJudgements()
+        {
+            AddAssert("All judgements max", () =>
+            {
+                return judgementResults.Select(j => (j.HitObject, j.Type));
+            }, () => Is.EqualTo(judgementResults.Select(j => (j.HitObject, j.Judgement.MaxResult))));
+        }
 
         private bool assertHeadMissTailTracked() => judgementResults[^2].Type == HitResult.SmallTickHit && !judgementResults.First().IsHit;
 
@@ -333,19 +431,9 @@ namespace osu.Game.Rulesets.Osu.Tests
 
         private bool assertMidSliderJudgementFail() => judgementResults[^2].Type == HitResult.SmallTickMiss;
 
-        private ScoreAccessibleReplayPlayer currentPlayer;
+        private void performTest(List<ReplayFrame> frames, Slider? slider = null, double? bpm = null, int? tickRate = null)
-
-        private const float slider_path_length = 25;
-
-        private void performTest(List<ReplayFrame> frames)
         {
-            AddStep("load player", () =>
+            slider ??= new Slider
-            {
-                Beatmap.Value = CreateWorkingBeatmap(new Beatmap<OsuHitObject>
-                {
-                    HitObjects =
-                    {
-                        new Slider
             {
                 StartTime = time_slider_start,
                 Position = new Vector2(0, 0),
@@ -355,13 +443,24 @@ namespace osu.Game.Rulesets.Osu.Tests
                     Vector2.Zero,
                     new Vector2(slider_path_length, 0),
                 }, slider_path_length),
-                        }
+            };
-                    },
+
+            AddStep("load player", () =>
+            {
+                var cpi = new ControlPointInfo();
+
+                if (bpm != null)
+                    cpi.Add(0, new TimingControlPoint { BeatLength = 60000 / bpm.Value });
+
+                Beatmap.Value = CreateWorkingBeatmap(new Beatmap<OsuHitObject>
+                {
+                    HitObjects = { slider },
                     BeatmapInfo =
                     {
-                        Difficulty = new BeatmapDifficulty { SliderTickRate = 3 },
+                        Difficulty = new BeatmapDifficulty { SliderTickRate = tickRate ?? 3 },
-                        Ruleset = new OsuRuleset().RulesetInfo
+                        Ruleset = new OsuRuleset().RulesetInfo,
                     },
+                    ControlPointInfo = cpi,
                 });
 
                 var p = new ScoreAccessibleReplayPlayer(new Score { Replay = new Replay { Frames = frames } });
@@ -375,7 +474,7 @@ namespace osu.Game.Rulesets.Osu.Tests
                 };
 
                 LoadScreen(currentPlayer = p);
-                judgementResults = new List<JudgementResult>();
+                judgementResults.Clear();
             });
 
             AddUntilStep("Beatmap at 0", () => Beatmap.Value.Track.CurrentTime == 0);

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

@@ -6,6 +6,7 @@
 using System.Collections.Generic;
 using System.Linq;
 using NUnit.Framework;
+using osu.Framework.Bindables;
 using osu.Framework.Graphics;
 using osu.Framework.Testing;
 using osu.Game.Audio;
@@ -26,6 +27,15 @@ namespace osu.Game.Rulesets.Osu.Tests
 
         private TestDrawableSpinner drawableSpinner;
 
+        private readonly BindableDouble spinRate = new BindableDouble();
+
+        protected override void LoadComplete()
+        {
+            base.LoadComplete();
+
+            AddSliderStep("Spin rate", 0.5, 5, 1, val => spinRate.Value = val);
+        }
+
         [TestCase(true)]
         [TestCase(false)]
         public void TestVariousSpinners(bool autoplay)
@@ -86,7 +96,7 @@ namespace osu.Game.Rulesets.Osu.Tests
 
                 spinner.ApplyDefaults(new ControlPointInfo(), new BeatmapDifficulty { OverallDifficulty = od });
 
-                return drawableSpinner = new TestDrawableSpinner(spinner, true)
+                return drawableSpinner = new TestDrawableSpinner(spinner, true, spinRate)
                 {
                     Anchor = Anchor.Centre,
                     Depth = depthIndex++,
@@ -114,7 +124,7 @@ namespace osu.Game.Rulesets.Osu.Tests
 
             spinner.ApplyDefaults(new ControlPointInfo(), new BeatmapDifficulty { CircleSize = circleSize });
 
-            drawableSpinner = new TestDrawableSpinner(spinner, auto)
+            drawableSpinner = new TestDrawableSpinner(spinner, auto, spinRate)
             {
                 Anchor = Anchor.Centre,
                 Depth = depthIndex++,
@@ -130,18 +140,20 @@ namespace osu.Game.Rulesets.Osu.Tests
         private partial class TestDrawableSpinner : DrawableSpinner
         {
             private readonly bool auto;
+            private readonly BindableDouble spinRate;
 
-            public TestDrawableSpinner(Spinner s, bool auto)
+            public TestDrawableSpinner(Spinner s, bool auto, BindableDouble spinRate)
                 : base(s)
             {
                 this.auto = auto;
+                this.spinRate = spinRate;
             }
 
             protected override void Update()
             {
                 base.Update();
                 if (auto)
-                    RotationTracker.AddRotation((float)(Clock.ElapsedFrameTime * 2));
+                    RotationTracker.AddRotation((float)(Clock.ElapsedFrameTime * spinRate.Value));
             }
         }
     }

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

@@ -32,7 +32,7 @@ namespace osu.Game.Rulesets.Osu.Tests
             });
 
             AddStep("rotate some", () => dho.RotationTracker.AddRotation(180));
-            AddAssert("rotation is set", () => dho.Result.RateAdjustedRotation == 180);
+            AddAssert("rotation is set", () => dho.Result.TotalRotation == 180);
 
             AddStep("apply new spinner", () => dho.Apply(prepareObject(new Spinner
             {
@@ -41,7 +41,7 @@ namespace osu.Game.Rulesets.Osu.Tests
                 Duration = 1000,
             })));
 
-            AddAssert("rotation is reset", () => dho.Result.RateAdjustedRotation == 0);
+            AddAssert("rotation is reset", () => dho.Result.TotalRotation == 0);
         }
 
         private Spinner prepareObject(Spinner circle)

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

@@ -0,0 +1,319 @@
+// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
+// See the LICENCE file in the repository root for full licence text.
+
+using System.Collections.Generic;
+using System.Linq;
+using NUnit.Framework;
+using osu.Framework.Screens;
+using osu.Framework.Testing;
+using osu.Framework.Timing;
+using osu.Game.Beatmaps;
+using osu.Game.Replays;
+using osu.Game.Rulesets.Judgements;
+using osu.Game.Rulesets.Osu.Objects;
+using osu.Game.Rulesets.Osu.Objects.Drawables;
+using osu.Game.Rulesets.Osu.Replays;
+using osu.Game.Rulesets.Replays;
+using osu.Game.Rulesets.Scoring;
+using osu.Game.Rulesets.UI;
+using osu.Game.Scoring;
+using osu.Game.Screens.Play;
+using osu.Game.Storyboards;
+using osu.Game.Tests.Visual;
+using osuTK;
+
+namespace osu.Game.Rulesets.Osu.Tests
+{
+    public partial class TestSceneSpinnerInput : RateAdjustedBeatmapTestScene
+    {
+        private const int centre_x = 256;
+        private const int centre_y = 192;
+        private const double time_spinner_start = 1500;
+        private const double time_spinner_end = 8000;
+
+        private readonly List<JudgementResult> judgementResults = new List<JudgementResult>();
+
+        private ScoreAccessibleReplayPlayer currentPlayer = null!;
+        private ManualClock? manualClock;
+
+        protected override WorkingBeatmap CreateWorkingBeatmap(IBeatmap beatmap, Storyboard? storyboard = null)
+        {
+            return manualClock == null
+                ? base.CreateWorkingBeatmap(beatmap, storyboard)
+                : new ClockBackedTestWorkingBeatmap(beatmap, storyboard, new FramedClock(manualClock), Audio);
+        }
+
+        [SetUp]
+        public void Setup() => Schedule(() =>
+        {
+            manualClock = null;
+        });
+
+        /// <summary>
+        /// While off-centre, vibrates backwards and forwards on the x-axis, from centre-50 to centre+50, every 50ms.
+        /// </summary>
+        [Test]
+        public void TestVibrateWithoutSpinningOffCentre()
+        {
+            List<ReplayFrame> frames = new List<ReplayFrame>();
+
+            const int vibrate_time = 50;
+            const float y_pos = centre_y - 50;
+
+            int direction = -1;
+
+            for (double i = time_spinner_start; i <= time_spinner_end; i += vibrate_time)
+            {
+                frames.Add(new OsuReplayFrame(i, new Vector2(centre_x + direction * 50, y_pos), OsuAction.LeftButton));
+                frames.Add(new OsuReplayFrame(i + vibrate_time, new Vector2(centre_x - direction * 50, y_pos), OsuAction.LeftButton));
+
+                direction *= -1;
+            }
+
+            performTest(frames);
+
+            assertTicksHit(0);
+            assertSpinnerHit(false);
+        }
+
+        /// <summary>
+        /// While centred on the slider, vibrates backwards and forwards on the x-axis, from centre-50 to centre+50, every 50ms.
+        /// </summary>
+        [Test]
+        public void TestVibrateWithoutSpinningOnCentre()
+        {
+            List<ReplayFrame> frames = new List<ReplayFrame>();
+
+            const int vibrate_time = 50;
+
+            int direction = -1;
+
+            for (double i = time_spinner_start; i <= time_spinner_end; i += vibrate_time)
+            {
+                frames.Add(new OsuReplayFrame(i, new Vector2(centre_x + direction * 50, centre_y), OsuAction.LeftButton));
+                frames.Add(new OsuReplayFrame(i + vibrate_time, new Vector2(centre_x - direction * 50, centre_y), OsuAction.LeftButton));
+
+                direction *= -1;
+            }
+
+            performTest(frames);
+
+            assertTicksHit(0);
+            assertSpinnerHit(false);
+        }
+
+        /// <summary>
+        /// Spins in a single direction.
+        /// </summary>
+        [TestCase(180, 0)]
+        [TestCase(-180, 0)]
+        [TestCase(360, 1)]
+        [TestCase(-360, 1)]
+        [TestCase(540, 1)]
+        [TestCase(-540, 1)]
+        [TestCase(720, 2)]
+        [TestCase(-720, 2)]
+        public void TestSpinSingleDirection(float amount, int expectedTicks)
+        {
+            performTest(new SpinFramesGenerator(time_spinner_start)
+                        .Spin(amount, 500)
+                        .Build());
+
+            assertTicksHit(expectedTicks);
+            assertSpinnerHit(false);
+        }
+
+        /// <summary>
+        /// Spin half-way clockwise then perform one full spin counter-clockwise.
+        /// No ticks should be hit since the total rotation is -0.5 (0.5 CW + 1 CCW = 0.5 CCW).
+        /// </summary>
+        [Test]
+        public void TestSpinHalfBothDirections()
+        {
+            performTest(new SpinFramesGenerator(time_spinner_start)
+                        .Spin(180, 500) // Rotate to +0.5.
+                        .Spin(-360, 500) // Rotate to -0.5
+                        .Build());
+
+            assertTicksHit(0);
+            assertSpinnerHit(false);
+        }
+
+        /// <summary>
+        /// Spin in one direction then spin in the other.
+        /// </summary>
+        [TestCase(180, -540, 1)]
+        [TestCase(-180, 540, 1)]
+        [TestCase(180, -900, 2)]
+        [TestCase(-180, 900, 2)]
+        public void TestSpinOneDirectionThenChangeDirection(float direction1, float direction2, int expectedTicks)
+        {
+            performTest(new SpinFramesGenerator(time_spinner_start)
+                        .Spin(direction1, 500)
+                        .Spin(direction2, 500)
+                        .Build());
+
+            assertTicksHit(expectedTicks);
+            assertSpinnerHit(false);
+        }
+
+        [Test]
+        public void TestRewind()
+        {
+            AddStep("set manual clock", () => manualClock = new ManualClock
+            {
+                // Avoids interpolation trying to run ahead during testing.
+                Rate = 0
+            });
+
+            List<ReplayFrame> frames =
+                new SpinFramesGenerator(time_spinner_start)
+                    // 1500ms start
+                    .Spin(360, 500)
+                    // 2000ms -> 1 full CW spin
+                    .Spin(-180, 500)
+                    // 2500ms -> 1 full CW spin + 0.5 CCW spins
+                    .Spin(90, 500)
+                    // 3000ms -> 1 full CW spin + 0.25 CCW spins
+                    .Spin(450, 500)
+                    // 3500ms -> 2 full CW spins
+                    .Spin(180, 500)
+                    // 4000ms -> 2 full CW spins + 0.5 CW spins
+                    .Build();
+
+            loadPlayer(frames);
+
+            GameplayClockContainer clock = null!;
+            DrawableRuleset drawableRuleset = null!;
+            AddStep("get gameplay objects", () =>
+            {
+                clock = currentPlayer.ChildrenOfType<GameplayClockContainer>().Single();
+                drawableRuleset = currentPlayer.ChildrenOfType<DrawableRuleset>().Single();
+            });
+
+            addSeekStep(frames.Last().Time);
+
+            DrawableSpinner drawableSpinner = null!;
+            AddUntilStep("get spinner", () => (drawableSpinner = currentPlayer.ChildrenOfType<DrawableSpinner>().Single()) != null);
+
+            assertFinalRotationCorrect();
+            assertTotalRotation(3750, 810);
+            assertTotalRotation(3500, 720);
+            assertTotalRotation(3250, 530);
+            assertTotalRotation(3000, 450);
+            assertTotalRotation(2750, 540);
+            assertTotalRotation(2500, 540);
+            assertTotalRotation(2250, 450);
+            assertTotalRotation(2000, 360);
+            assertTotalRotation(1500, 0);
+
+            // same thing but always returning to final time to check.
+            assertFinalRotationCorrect();
+            assertTotalRotation(3750, 810);
+            assertFinalRotationCorrect();
+            assertTotalRotation(3500, 720);
+            assertFinalRotationCorrect();
+            assertTotalRotation(3250, 530);
+            assertFinalRotationCorrect();
+            assertTotalRotation(3000, 450);
+            assertFinalRotationCorrect();
+            assertTotalRotation(2750, 540);
+            assertFinalRotationCorrect();
+            assertTotalRotation(2500, 540);
+            assertFinalRotationCorrect();
+            assertTotalRotation(2250, 450);
+            assertFinalRotationCorrect();
+            assertTotalRotation(2000, 360);
+            assertFinalRotationCorrect();
+            assertTotalRotation(1500, 0);
+
+            void assertTotalRotation(double time, float expected)
+            {
+                addSeekStep(time);
+                AddAssert($"total rotation @ {time} is {expected}", () => drawableSpinner.Result.TotalRotation,
+                    () => Is.EqualTo(expected).Within(MathHelper.RadiansToDegrees(SpinFramesGenerator.SPIN_ERROR * 2)));
+            }
+
+            void addSeekStep(double time)
+            {
+                AddStep($"seek to {time}", () => clock.Seek(time));
+                // Lenience is required due to interpolation running slightly ahead on a stalled clock.
+                AddUntilStep("wait for seek to finish", () => drawableRuleset.FrameStableClock.CurrentTime, () => Is.EqualTo(time));
+            }
+
+            void assertFinalRotationCorrect() => assertTotalRotation(4000, 900);
+        }
+
+        private void assertTicksHit(int count)
+        {
+            AddAssert($"{count} ticks hit", () => judgementResults.Where(r => r.HitObject is SpinnerTick).Count(r => r.IsHit), () => Is.EqualTo(count));
+        }
+
+        private void assertSpinnerHit(bool shouldBeHit)
+        {
+            AddAssert($"spinner is {(shouldBeHit ? "hit" : "missed")}", () => judgementResults.Single(r => r.HitObject is Spinner).IsHit, () => Is.EqualTo(shouldBeHit));
+        }
+
+        private void loadPlayer(List<ReplayFrame> frames)
+        {
+            AddStep("load player", () =>
+            {
+                Beatmap.Value = CreateWorkingBeatmap(new Beatmap<OsuHitObject>
+                {
+                    HitObjects =
+                    {
+                        new Spinner
+                        {
+                            StartTime = time_spinner_start,
+                            EndTime = time_spinner_end,
+                            Position = new Vector2(centre_x, centre_y)
+                        }
+                    },
+                    BeatmapInfo =
+                    {
+                        Difficulty = new BeatmapDifficulty(),
+                        Ruleset = new OsuRuleset().RulesetInfo
+                    },
+                });
+
+                var p = new ScoreAccessibleReplayPlayer(new Score { Replay = new Replay { Frames = frames } });
+
+                p.OnLoadComplete += _ =>
+                {
+                    p.ScoreProcessor.NewJudgement += result =>
+                    {
+                        if (currentPlayer == p) judgementResults.Add(result);
+                    };
+                };
+
+                LoadScreen(currentPlayer = p);
+                judgementResults.Clear();
+            });
+
+            AddUntilStep("Beatmap at 0", () => Beatmap.Value.Track.CurrentTime == 0);
+            AddUntilStep("Wait until player is loaded", () => currentPlayer.IsCurrentScreen());
+        }
+
+        private void performTest(List<ReplayFrame> frames)
+        {
+            loadPlayer(frames);
+            AddUntilStep("Wait for completion", () => currentPlayer.ScoreProcessor.HasCompleted.Value);
+        }
+
+        private partial class ScoreAccessibleReplayPlayer : ReplayPlayer
+        {
+            public new ScoreProcessor ScoreProcessor => base.ScoreProcessor;
+
+            protected override bool PauseOnFocusLost => false;
+
+            public ScoreAccessibleReplayPlayer(Score score)
+                : base(score, new PlayerConfiguration
+                {
+                    AllowPause = false,
+                    ShowResults = false,
+                })
+            {
+            }
+        }
+    }
+}

osu.Game.Rulesets.Osu.Tests/TestSceneSpinnerJudgement.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 NUnit.Framework;
@@ -11,14 +10,12 @@ using osu.Game.Beatmaps;
 using osu.Game.Replays;
 using osu.Game.Rulesets.Judgements;
 using osu.Game.Rulesets.Osu.Objects;
-using osu.Game.Rulesets.Osu.Replays;
 using osu.Game.Rulesets.Osu.UI;
 using osu.Game.Rulesets.Replays;
 using osu.Game.Rulesets.Scoring;
 using osu.Game.Scoring;
 using osu.Game.Screens.Play;
 using osu.Game.Tests.Visual;
-using osuTK;
 
 namespace osu.Game.Rulesets.Osu.Tests
 {
@@ -59,26 +56,9 @@ namespace osu.Game.Rulesets.Osu.Tests
             AddAssert("all max judgements", () => judgementResults.All(result => result.Type == result.Judgement.MaxResult));
         }
 
-        private static List<ReplayFrame> generateReplay(int spins)
+        private static List<ReplayFrame> generateReplay(int spins) => new SpinFramesGenerator(time_spinner_start)
-        {
+                                                                      .Spin(spins * 360, time_spinner_end - time_spinner_start)
-            var replayFrames = new List<ReplayFrame>();
+                                                                      .Build();
-
-            const int frames_per_spin = 30;
-
-            for (int i = 0; i < spins * frames_per_spin; ++i)
-            {
-                float totalProgress = i / (float)(spins * frames_per_spin);
-                float spinProgress = (i % frames_per_spin) / (float)frames_per_spin;
-                double time = time_spinner_start + (time_spinner_end - time_spinner_start) * totalProgress;
-                float posX = MathF.Cos(2 * MathF.PI * spinProgress);
-                float posY = MathF.Sin(2 * MathF.PI * spinProgress);
-                Vector2 finalPos = OsuPlayfield.BASE_SIZE / 2 + new Vector2(posX, posY) * 50;
-
-                replayFrames.Add(new OsuReplayFrame(time, finalPos, OsuAction.LeftButton));
-            }
-
-            return replayFrames;
-        }
 
         private void performTest(List<ReplayFrame> frames)
         {

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

@@ -63,11 +63,11 @@ namespace osu.Game.Rulesets.Osu.Tests
                 trackerRotationTolerance = Math.Abs(drawableSpinner.RotationTracker.Rotation * 0.1f);
             });
             AddAssert("is disc rotation not almost 0", () => drawableSpinner.RotationTracker.Rotation, () => Is.Not.EqualTo(0).Within(100));
-            AddAssert("is disc rotation absolute not almost 0", () => drawableSpinner.Result.RateAdjustedRotation, () => Is.Not.EqualTo(0).Within(100));
+            AddAssert("is disc rotation absolute not almost 0", () => drawableSpinner.Result.TotalRotation, () => Is.Not.EqualTo(0).Within(100));
 
             addSeekStep(0);
             AddAssert("is disc rotation almost 0", () => drawableSpinner.RotationTracker.Rotation, () => Is.EqualTo(0).Within(trackerRotationTolerance));
-            AddAssert("is disc rotation absolute almost 0", () => drawableSpinner.Result.RateAdjustedRotation, () => Is.EqualTo(0).Within(100));
+            AddAssert("is disc rotation absolute almost 0", () => drawableSpinner.Result.TotalRotation, () => Is.EqualTo(0).Within(100));
         }
 
         [Test]
@@ -82,7 +82,7 @@ namespace osu.Game.Rulesets.Osu.Tests
                 finalTrackerRotation = drawableSpinner.RotationTracker.Rotation;
                 trackerRotationTolerance = Math.Abs(finalTrackerRotation * 0.05f);
             });
-            AddStep("retrieve cumulative disc rotation", () => finalCumulativeTrackerRotation = drawableSpinner.Result.RateAdjustedRotation);
+            AddStep("retrieve cumulative disc rotation", () => finalCumulativeTrackerRotation = drawableSpinner.Result.TotalRotation);
 
             addSeekStep(spinner_start_time + 2500);
             AddAssert("disc rotation rewound",
@@ -92,13 +92,13 @@ namespace osu.Game.Rulesets.Osu.Tests
                 () => drawableSpinner.RotationTracker.Rotation, () => Is.EqualTo(finalTrackerRotation / 2).Within(trackerRotationTolerance));
             AddAssert("is cumulative rotation rewound",
                 // cumulative rotation is not damped, so we're treating it as the "ground truth" and allowing a comparatively smaller margin of error.
-                () => drawableSpinner.Result.RateAdjustedRotation, () => Is.EqualTo(finalCumulativeTrackerRotation / 2).Within(100));
+                () => drawableSpinner.Result.TotalRotation, () => Is.EqualTo(finalCumulativeTrackerRotation / 2).Within(100));
 
             addSeekStep(spinner_start_time + 5000);
             AddAssert("is disc rotation almost same",
                 () => drawableSpinner.RotationTracker.Rotation, () => Is.EqualTo(finalTrackerRotation).Within(trackerRotationTolerance));
             AddAssert("is cumulative rotation almost same",
-                () => drawableSpinner.Result.RateAdjustedRotation, () => Is.EqualTo(finalCumulativeTrackerRotation).Within(100));
+                () => drawableSpinner.Result.TotalRotation, () => Is.EqualTo(finalCumulativeTrackerRotation).Within(100));
         }
 
         [Test]
@@ -135,7 +135,7 @@ namespace osu.Game.Rulesets.Osu.Tests
             {
                 // multipled by 2 to nullify the score multiplier. (autoplay mod selected)
                 long totalScore = ((ScoreExposedPlayer)Player).ScoreProcessor.TotalScore.Value * 2;
-                return totalScore == (int)(drawableSpinner.Result.RateAdjustedRotation / 360) * new SpinnerTick().CreateJudgement().MaxNumericResult;
+                return totalScore == (int)(drawableSpinner.Result.TotalRotation / 360) * new SpinnerTick().CreateJudgement().MaxNumericResult;
             });
 
             addSeekStep(0);

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

@@ -284,15 +284,16 @@ namespace osu.Game.Rulesets.Osu.Tests
                 },
             };
 
-            performTest(hitObjects, new List<ReplayFrame>
+            List<ReplayFrame> frames = new List<ReplayFrame>
             {
                 new OsuReplayFrame { Time = time_spinner - 100, Position = positionCircle, Actions = { OsuAction.LeftButton } },
-                new OsuReplayFrame { Time = time_spinner + 10, Position = new Vector2(236, 192), Actions = { OsuAction.RightButton } },
+            };
-                new OsuReplayFrame { Time = time_spinner + 20, Position = new Vector2(256, 172), Actions = { OsuAction.RightButton } },
+
-                new OsuReplayFrame { Time = time_spinner + 30, Position = new Vector2(276, 192), Actions = { OsuAction.RightButton } },
+            frames.AddRange(new SpinFramesGenerator(time_spinner + 10)
-                new OsuReplayFrame { Time = time_spinner + 40, Position = new Vector2(256, 212), Actions = { OsuAction.RightButton } },
+                            .Spin(360, 500)
-                new OsuReplayFrame { Time = time_spinner + 50, Position = new Vector2(236, 192), Actions = { OsuAction.RightButton } },
+                            .Build());
-            });
+
+            performTest(hitObjects, frames);
 
             addJudgementAssert(hitObjects[0], HitResult.Great);
             addJudgementAssert(hitObjects[1], HitResult.Great);

osu.Game.Rulesets.Osu/Difficulty/Evaluators/AimEvaluator.cs

@@ -24,7 +24,7 @@ namespace osu.Game.Rulesets.Osu.Difficulty.Evaluators
         /// <item><description>and slider difficulty.</description></item>
         /// </list>
         /// </summary>
-        public static double EvaluateDifficultyOf(DifficultyHitObject current, bool withSliders)
+        public static double EvaluateDifficultyOf(DifficultyHitObject current, bool withSliderTravelDistance)
         {
             if (current.BaseObject is Spinner || current.Index <= 1 || current.Previous(0).BaseObject is Spinner)
                 return 0;
@@ -37,7 +37,7 @@ namespace osu.Game.Rulesets.Osu.Difficulty.Evaluators
             double currVelocity = osuCurrObj.LazyJumpDistance / osuCurrObj.StrainTime;
 
             // But if the last object is a slider, then we extend the travel velocity through the slider into the current object.
-            if (osuLastObj.BaseObject is Slider && withSliders)
+            if (osuLastObj.BaseObject is Slider && withSliderTravelDistance)
             {
                 double travelVelocity = osuLastObj.TravelDistance / osuLastObj.TravelTime; // calculate the slider velocity from slider head to slider end.
                 double movementVelocity = osuCurrObj.MinimumJumpDistance / osuCurrObj.MinimumJumpTime; // calculate the movement velocity from slider end to current object
@@ -48,7 +48,7 @@ namespace osu.Game.Rulesets.Osu.Difficulty.Evaluators
             // As above, do the same for the previous hitobject.
             double prevVelocity = osuLastObj.LazyJumpDistance / osuLastObj.StrainTime;
 
-            if (osuLastLastObj.BaseObject is Slider && withSliders)
+            if (osuLastLastObj.BaseObject is Slider && withSliderTravelDistance)
             {
                 double travelVelocity = osuLastLastObj.TravelDistance / osuLastLastObj.TravelTime;
                 double movementVelocity = osuLastObj.MinimumJumpDistance / osuLastObj.MinimumJumpTime;
@@ -122,7 +122,7 @@ namespace osu.Game.Rulesets.Osu.Difficulty.Evaluators
             aimStrain += Math.Max(acuteAngleBonus * acute_angle_multiplier, wideAngleBonus * wide_angle_multiplier + velocityChangeBonus * velocity_change_multiplier);
 
             // Add in additional slider velocity bonus.
-            if (withSliders)
+            if (withSliderTravelDistance)
                 aimStrain += sliderBonus * slider_multiplier;
 
             return aimStrain;

osu.Game.Rulesets.Osu/Difficulty/Preprocessing/OsuDifficultyHitObject.cs

@@ -3,6 +3,7 @@
 
 using System;
 using System.Collections.Generic;
+using System.Linq;
 using osu.Game.Rulesets.Difficulty.Preprocessing;
 using osu.Game.Rulesets.Objects;
 using osu.Game.Rulesets.Osu.Mods;
@@ -214,7 +215,45 @@ namespace osu.Game.Rulesets.Osu.Difficulty.Preprocessing
             if (slider.LazyEndPosition != null)
                 return;
 
-            slider.LazyTravelTime = slider.NestedHitObjects[^1].StartTime - slider.StartTime;
+            // TODO: This commented version is actually correct by the new lazer implementation, but intentionally held back from
+            // difficulty calculator to preserve known behaviour.
+            // double trackingEndTime = Math.Max(
+            //     // SliderTailCircle always occurs at the final end time of the slider, but the player only needs to hold until within a lenience before it.
+            //     slider.Duration + SliderEventGenerator.TAIL_LENIENCY,
+            //     // There's an edge case where one or more ticks/repeats fall within that leniency range.
+            //     // In such a case, the player needs to track until the final tick or repeat.
+            //     slider.NestedHitObjects.LastOrDefault(n => n is not SliderTailCircle)?.StartTime ?? double.MinValue
+            // );
+
+            double trackingEndTime = Math.Max(
+                slider.StartTime + slider.Duration + SliderEventGenerator.TAIL_LENIENCY,
+                slider.StartTime + slider.Duration / 2
+            );
+
+            IList<HitObject> nestedObjects = slider.NestedHitObjects;
+
+            SliderTick? lastRealTick = slider.NestedHitObjects.OfType<SliderTick>().LastOrDefault();
+
+            if (lastRealTick?.StartTime > trackingEndTime)
+            {
+                trackingEndTime = lastRealTick.StartTime;
+
+                // When the last tick falls after the tracking end time, we need to re-sort the nested objects
+                // based on time. This creates a somewhat weird ordering which is counter to how a user would
+                // understand the slider, but allows a zero-diff with known diffcalc output.
+                //
+                // To reiterate, this is definitely not correct from a difficulty calculation perspective
+                // and should be revisited at a later date (likely by replacing this whole code with the commented
+                // version above).
+                List<HitObject> reordered = nestedObjects.ToList();
+
+                reordered.Remove(lastRealTick);
+                reordered.Add(lastRealTick);
+
+                nestedObjects = reordered;
+            }
+
+            slider.LazyTravelTime = trackingEndTime - slider.StartTime;
 
             double endTimeMin = slider.LazyTravelTime / slider.SpanDuration;
             if (endTimeMin % 2 >= 1)
@@ -223,12 +262,14 @@ namespace osu.Game.Rulesets.Osu.Difficulty.Preprocessing
                 endTimeMin %= 1;
 
             slider.LazyEndPosition = slider.StackedPosition + slider.Path.PositionAt(endTimeMin); // temporary lazy end position until a real result can be derived.
-            var currCursorPosition = slider.StackedPosition;
+
+            Vector2 currCursorPosition = slider.StackedPosition;
+
             double scalingFactor = NORMALISED_RADIUS / slider.Radius; // lazySliderDistance is coded to be sensitive to scaling, this makes the maths easier with the thresholds being used.
 
-            for (int i = 1; i < slider.NestedHitObjects.Count; i++)
+            for (int i = 1; i < nestedObjects.Count; i++)
             {
-                var currMovementObj = (OsuHitObject)slider.NestedHitObjects[i];
+                var currMovementObj = (OsuHitObject)nestedObjects[i];
 
                 Vector2 currMovement = Vector2.Subtract(currMovementObj.StackedPosition, currCursorPosition);
                 double currMovementLength = scalingFactor * currMovement.Length;
@@ -236,7 +277,7 @@ namespace osu.Game.Rulesets.Osu.Difficulty.Preprocessing
                 // Amount of movement required so that the cursor position needs to be updated.
                 double requiredMovement = assumed_slider_radius;
 
-                if (i == slider.NestedHitObjects.Count - 1)
+                if (i == nestedObjects.Count - 1)
                 {
                     // The end of a slider has special aim rules due to the relaxed time constraint on position.
                     // There is both a lazy end position as well as the actual end slider position. We assume the player takes the simpler movement.
@@ -263,7 +304,7 @@ namespace osu.Game.Rulesets.Osu.Difficulty.Preprocessing
                     slider.LazyTravelDistance += (float)currMovementLength;
                 }
 
-                if (i == slider.NestedHitObjects.Count - 1)
+                if (i == nestedObjects.Count - 1)
                     slider.LazyEndPosition = currCursorPosition;
             }
         }

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

@@ -47,7 +47,10 @@ namespace osu.Game.Rulesets.Osu.Edit.Blueprints.Sliders.Components
         public Action<List<PathControlPoint>> SplitControlPointsRequested;
 
         [Resolved(CanBeNull = true)]
-        private IDistanceSnapProvider snapProvider { get; set; }
+        private IPositionSnapProvider positionSnapProvider { get; set; }
+
+        [Resolved(CanBeNull = true)]
+        private IDistanceSnapProvider distanceSnapProvider { get; set; }
 
         public PathControlPointVisualiser(T hitObject, bool allowSelection)
         {
@@ -288,10 +291,10 @@ namespace osu.Game.Rulesets.Osu.Edit.Blueprints.Sliders.Components
             if (selectedControlPoints.Contains(hitObject.Path.ControlPoints[0]))
             {
                 // Special handling for selections containing head control point - the position of the hit object changes which means the snapped position and time have to be taken into account
-                Vector2 newHeadPosition = Parent.ToScreenSpace(e.MousePosition + (dragStartPositions[0] - dragStartPositions[draggedControlPointIndex]));
+                Vector2 newHeadPosition = Parent!.ToScreenSpace(e.MousePosition + (dragStartPositions[0] - dragStartPositions[draggedControlPointIndex]));
-                var result = snapProvider?.FindSnappedPositionAndTime(newHeadPosition);
+                var result = positionSnapProvider?.FindSnappedPositionAndTime(newHeadPosition);
 
-                Vector2 movementDelta = Parent.ToLocalSpace(result?.ScreenSpacePosition ?? newHeadPosition) - hitObject.Position;
+                Vector2 movementDelta = Parent!.ToLocalSpace(result?.ScreenSpacePosition ?? newHeadPosition) - hitObject.Position;
 
                 hitObject.Position += movementDelta;
                 hitObject.StartTime = result?.Time ?? hitObject.StartTime;
@@ -309,9 +312,9 @@ namespace osu.Game.Rulesets.Osu.Edit.Blueprints.Sliders.Components
             }
             else
             {
-                var result = snapProvider?.FindSnappedPositionAndTime(Parent.ToScreenSpace(e.MousePosition), SnapType.GlobalGrids);
+                var result = positionSnapProvider?.FindSnappedPositionAndTime(Parent!.ToScreenSpace(e.MousePosition), SnapType.GlobalGrids);
 
-                Vector2 movementDelta = Parent.ToLocalSpace(result?.ScreenSpacePosition ?? Parent.ToScreenSpace(e.MousePosition)) - dragStartPositions[draggedControlPointIndex] - hitObject.Position;
+                Vector2 movementDelta = Parent!.ToLocalSpace(result?.ScreenSpacePosition ?? Parent!.ToScreenSpace(e.MousePosition)) - dragStartPositions[draggedControlPointIndex] - hitObject.Position;
 
                 for (int i = 0; i < controlPoints.Count; ++i)
                 {
@@ -322,7 +325,7 @@ namespace osu.Game.Rulesets.Osu.Edit.Blueprints.Sliders.Components
             }
 
             // Snap the path to the current beat divisor before checking length validity.
-            hitObject.SnapTo(snapProvider);
+            hitObject.SnapTo(distanceSnapProvider);
 
             if (!hitObject.Path.HasValidLength)
             {
@@ -332,7 +335,7 @@ namespace osu.Game.Rulesets.Osu.Edit.Blueprints.Sliders.Components
                 hitObject.Position = oldPosition;
                 hitObject.StartTime = oldStartTime;
                 // Snap the path length again to undo the invalid length.
-                hitObject.SnapTo(snapProvider);
+                hitObject.SnapTo(distanceSnapProvider);
                 return;
             }
 

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

@@ -39,7 +39,10 @@ namespace osu.Game.Rulesets.Osu.Edit.Blueprints.Sliders
         private int currentSegmentLength;
 
         [Resolved(CanBeNull = true)]
-        private IDistanceSnapProvider snapProvider { get; set; }
+        private IPositionSnapProvider positionSnapProvider { get; set; }
+
+        [Resolved(CanBeNull = true)]
+        private IDistanceSnapProvider distanceSnapProvider { get; set; }
 
         protected override bool IsValidForPlacement => HitObject.Path.HasValidLength;
 
@@ -198,7 +201,7 @@ namespace osu.Game.Rulesets.Osu.Edit.Blueprints.Sliders
                 }
 
                 // Update the cursor position.
-                var result = snapProvider?.FindSnappedPositionAndTime(inputManager.CurrentState.Mouse.Position, state == SliderPlacementState.Body ? SnapType.GlobalGrids : SnapType.All);
+                var result = positionSnapProvider?.FindSnappedPositionAndTime(inputManager.CurrentState.Mouse.Position, state == SliderPlacementState.Body ? SnapType.GlobalGrids : SnapType.All);
                 cursor.Position = ToLocalSpace(result?.ScreenSpacePosition ?? inputManager.CurrentState.Mouse.Position) - HitObject.Position;
             }
             else if (cursor != null)
@@ -230,7 +233,7 @@ namespace osu.Game.Rulesets.Osu.Edit.Blueprints.Sliders
 
         private void updateSlider()
         {
-            HitObject.Path.ExpectedDistance.Value = snapProvider?.FindSnappedDistance(HitObject, (float)HitObject.Path.CalculatedDistance) ?? (float)HitObject.Path.CalculatedDistance;
+            HitObject.Path.ExpectedDistance.Value = distanceSnapProvider?.FindSnappedDistance(HitObject, (float)HitObject.Path.CalculatedDistance) ?? (float)HitObject.Path.CalculatedDistance;
 
             bodyPiece.UpdateFrom(HitObject);
             headCirclePiece.UpdateFrom(HitObject.HeadCircle);

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

@@ -40,7 +40,10 @@ namespace osu.Game.Rulesets.Osu.Edit.Blueprints.Sliders
         protected PathControlPointVisualiser<Slider> ControlPointVisualiser { get; private set; }
 
         [Resolved(CanBeNull = true)]
-        private IDistanceSnapProvider snapProvider { get; set; }
+        private IPositionSnapProvider positionSnapProvider { get; set; }
+
+        [Resolved(CanBeNull = true)]
+        private IDistanceSnapProvider distanceSnapProvider { get; set; }
 
         [Resolved(CanBeNull = true)]
         private IPlacementHandler placementHandler { get; set; }
@@ -194,7 +197,7 @@ namespace osu.Game.Rulesets.Osu.Edit.Blueprints.Sliders
         {
             if (placementControlPoint != null)
             {
-                var result = snapProvider?.FindSnappedPositionAndTime(ToScreenSpace(e.MousePosition));
+                var result = positionSnapProvider?.FindSnappedPositionAndTime(ToScreenSpace(e.MousePosition));
                 placementControlPoint.Position = ToLocalSpace(result?.ScreenSpacePosition ?? ToScreenSpace(e.MousePosition)) - HitObject.Position;
             }
         }
@@ -245,7 +248,7 @@ namespace osu.Game.Rulesets.Osu.Edit.Blueprints.Sliders
             // Move the control points from the insertion index onwards to make room for the insertion
             controlPoints.Insert(insertionIndex, pathControlPoint);
 
-            HitObject.SnapTo(snapProvider);
+            HitObject.SnapTo(distanceSnapProvider);
 
             return pathControlPoint;
         }
@@ -267,7 +270,7 @@ namespace osu.Game.Rulesets.Osu.Edit.Blueprints.Sliders
             }
 
             // Snap the slider to the current beat divisor before checking length validity.
-            HitObject.SnapTo(snapProvider);
+            HitObject.SnapTo(distanceSnapProvider);
 
             // If there are 0 or 1 remaining control points, or the slider has an invalid length, it is in a degenerate form and should be deleted
             if (controlPoints.Count <= 1 || !HitObject.Path.HasValidLength)

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

@@ -0,0 +1,31 @@
+// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
+// See the LICENCE file in the repository root for full licence text.
+
+using osu.Game.Graphics.UserInterface;
+using osu.Game.Input.Bindings;
+using osu.Game.Rulesets.Edit;
+using osu.Game.Rulesets.Objects;
+using osu.Game.Rulesets.Osu.Objects;
+using osuTK;
+
+namespace osu.Game.Rulesets.Osu.Edit
+{
+    public partial class OsuDistanceSnapProvider : ComposerDistanceSnapProvider
+    {
+        protected override double ReadCurrentDistanceSnap(HitObject before, HitObject after)
+        {
+            float expectedDistance = DurationToDistance(before, after.StartTime - before.GetEndTime());
+            float actualDistance = Vector2.Distance(((OsuHitObject)before).EndPosition, ((OsuHitObject)after).Position);
+
+            return actualDistance / expectedDistance;
+        }
+
+        protected override bool AdjustDistanceSpacing(GlobalAction action, float amount)
+        {
+            // To allow better visualisation, ensure that the spacing grid is visible before adjusting.
+            DistanceSnapToggle.Value = TernaryState.True;
+
+            return base.AdjustDistanceSpacing(action, amount);
+        }
+    }
+}

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

@@ -17,7 +17,6 @@ using osu.Framework.Input.Events;
 using osu.Framework.Utils;
 using osu.Game.Beatmaps;
 using osu.Game.Graphics.UserInterface;
-using osu.Game.Input.Bindings;
 using osu.Game.Rulesets.Edit;
 using osu.Game.Rulesets.Edit.Tools;
 using osu.Game.Rulesets.Mods;
@@ -30,7 +29,7 @@ using osuTK;
 
 namespace osu.Game.Rulesets.Osu.Edit
 {
-    public partial class OsuHitObjectComposer : DistancedHitObjectComposer<OsuHitObject>
+    public partial class OsuHitObjectComposer : HitObjectComposer<OsuHitObject>
     {
         public OsuHitObjectComposer(Ruleset ruleset)
             : base(ruleset)
@@ -49,7 +48,10 @@ namespace osu.Game.Rulesets.Osu.Edit
 
         private readonly Bindable<TernaryState> rectangularGridSnapToggle = new Bindable<TernaryState>();
 
-        protected override IEnumerable<TernaryButton> CreateTernaryButtons() => base.CreateTernaryButtons().Concat(new[]
+        protected override IEnumerable<TernaryButton> CreateTernaryButtons()
+            => base.CreateTernaryButtons()
+                   .Concat(DistanceSnapProvider.CreateTernaryButtons())
+                   .Concat(new[]
                    {
                        new TernaryButton(rectangularGridSnapToggle, "Grid Snap", () => new SpriteIcon { Icon = FontAwesome.Solid.Th })
                    });
@@ -58,9 +60,15 @@ namespace osu.Game.Rulesets.Osu.Edit
 
         private Bindable<HitObject> placementObject;
 
+        [Cached(typeof(IDistanceSnapProvider))]
+        protected readonly OsuDistanceSnapProvider DistanceSnapProvider = new OsuDistanceSnapProvider();
+
         [BackgroundDependencyLoader]
         private void load()
         {
+            AddInternal(DistanceSnapProvider);
+            DistanceSnapProvider.AttachToToolbox(RightToolbox);
+
             // Give a bit of breathing room around the playfield content.
             PlayfieldContentContainer.Padding = new MarginPadding(10);
 
@@ -81,7 +89,7 @@ namespace osu.Game.Rulesets.Osu.Edit
 
             placementObject = EditorBeatmap.PlacementObject.GetBoundCopy();
             placementObject.ValueChanged += _ => updateDistanceSnapGrid();
-            DistanceSnapToggle.ValueChanged += _ => updateDistanceSnapGrid();
+            DistanceSnapProvider.DistanceSnapToggle.ValueChanged += _ => updateDistanceSnapGrid();
 
             // we may be entering the screen with a selection already active
             updateDistanceSnapGrid();
@@ -106,14 +114,6 @@ namespace osu.Game.Rulesets.Osu.Edit
 
         private RectangularPositionSnapGrid rectangularPositionSnapGrid;
 
-        protected override double ReadCurrentDistanceSnap(HitObject before, HitObject after)
-        {
-            float expectedDistance = DurationToDistance(before, after.StartTime - before.GetEndTime());
-            float actualDistance = Vector2.Distance(((OsuHitObject)before).EndPosition, ((OsuHitObject)after).Position);
-
-            return actualDistance / expectedDistance;
-        }
-
         protected override void Update()
         {
             base.Update();
@@ -143,7 +143,7 @@ namespace osu.Game.Rulesets.Osu.Edit
                 // We want to ensure that in this particular case, the time-snapping component of distance snap is still applied.
                 // The easiest way to ensure this is to attempt application of distance snap after a nearby object is found, and copy over
                 // the time value if the proposed positions are roughly the same.
-                if (snapType.HasFlagFast(SnapType.RelativeGrids) && DistanceSnapToggle.Value == TernaryState.True && distanceSnapGrid != null)
+                if (snapType.HasFlagFast(SnapType.RelativeGrids) && DistanceSnapProvider.DistanceSnapToggle.Value == TernaryState.True && distanceSnapGrid != null)
                 {
                     (Vector2 distanceSnappedPosition, double distanceSnappedTime) = distanceSnapGrid.GetSnappedPosition(distanceSnapGrid.ToLocalSpace(snapResult.ScreenSpacePosition));
                     if (Precision.AlmostEquals(distanceSnapGrid.ToScreenSpace(distanceSnappedPosition), snapResult.ScreenSpacePosition, 1))
@@ -157,7 +157,7 @@ namespace osu.Game.Rulesets.Osu.Edit
 
             if (snapType.HasFlagFast(SnapType.RelativeGrids))
             {
-                if (DistanceSnapToggle.Value == TernaryState.True && distanceSnapGrid != null)
+                if (DistanceSnapProvider.DistanceSnapToggle.Value == TernaryState.True && distanceSnapGrid != null)
                 {
                     (Vector2 pos, double time) = distanceSnapGrid.GetSnappedPosition(distanceSnapGrid.ToLocalSpace(screenSpacePosition));
 
@@ -220,7 +220,7 @@ namespace osu.Game.Rulesets.Osu.Edit
             distanceSnapGridCache.Invalidate();
             distanceSnapGrid = null;
 
-            if (DistanceSnapToggle.Value != TernaryState.True)
+            if (DistanceSnapProvider.DistanceSnapToggle.Value != TernaryState.True)
                 return;
 
             switch (BlueprintContainer.CurrentTool)
@@ -262,14 +262,6 @@ namespace osu.Game.Rulesets.Osu.Edit
             base.OnKeyUp(e);
         }
 
-        protected override bool AdjustDistanceSpacing(GlobalAction action, float amount)
-        {
-            // To allow better visualisation, ensure that the spacing grid is visible before adjusting.
-            DistanceSnapToggle.Value = TernaryState.True;
-
-            return base.AdjustDistanceSpacing(action, amount);
-        }
-
         private bool gridSnapMomentary;
 
         private void handleToggleViaKey(KeyboardEvent key)

osu.Game.Rulesets.Osu/Judgements/OsuSpinnerJudgementResult.cs

@@ -4,6 +4,7 @@
 using osu.Game.Rulesets.Judgements;
 using osu.Game.Rulesets.Objects;
 using osu.Game.Rulesets.Osu.Objects;
+using osu.Game.Rulesets.Osu.Objects.Drawables;
 
 namespace osu.Game.Rulesets.Osu.Judgements
 {
@@ -15,28 +16,15 @@ namespace osu.Game.Rulesets.Osu.Judgements
         public Spinner Spinner => (Spinner)HitObject;
 
         /// <summary>
-        /// The total rotation performed on the spinner disc, disregarding the spin direction,
+        /// The total amount that the spinner was rotated.
-        /// adjusted for the track's playback rate.
         /// </summary>
-        /// <remarks>
+        public float TotalRotation => History.TotalRotation;
-        /// <para>
+
-        /// This value is always non-negative and is monotonically increasing with time
+        /// <summary>
-        /// (i.e. will only increase if time is passing forward, but can decrease during rewind).
+        /// Stores the spinning history of the spinner.<br />
-        /// </para>
+        /// Instants of movement deltas may be added or removed from this in order to calculate the total rotation for the spinner.
-        /// <para>
+        /// </summary>
-        /// The rotation from each frame is multiplied by the clock's current playback rate.
+        public readonly SpinnerSpinHistory History = new SpinnerSpinHistory();
-        /// The reason this is done is to ensure that spinners give the same score and require the same number of spins
-        /// regardless of whether speed-modifying mods are applied.
-        /// </para>
-        /// </remarks>
-        /// <example>
-        /// Assuming no speed-modifying mods are active,
-        /// if the spinner is spun 360 degrees clockwise and then 360 degrees counter-clockwise,
-        /// this property will return the value of 720 (as opposed to 0).
-        /// If Double Time is active instead (with a speed multiplier of 1.5x),
-        /// in the same scenario the property will return 720 * 1.5 = 1080.
-        /// </example>
-        public float RateAdjustedRotation;
 
         /// <summary>
         /// Time instant at which the spin was started (the first user input which caused an increase in spin).

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

@@ -139,12 +139,12 @@ namespace osu.Game.Rulesets.Osu.Mods
 
                 if (Precision.AlmostEquals(restrictTo.Rotation, 0))
                 {
-                    start = Parent.ToLocalSpace(restrictTo.ScreenSpaceDrawQuad.TopLeft).X;
+                    start = Parent!.ToLocalSpace(restrictTo.ScreenSpaceDrawQuad.TopLeft).X;
-                    end = Parent.ToLocalSpace(restrictTo.ScreenSpaceDrawQuad.TopRight).X;
+                    end = Parent!.ToLocalSpace(restrictTo.ScreenSpaceDrawQuad.TopRight).X;
                 }
                 else
                 {
-                    float center = restrictTo.ToSpaceOfOtherDrawable(restrictTo.OriginPosition, Parent).X;
+                    float center = restrictTo.ToSpaceOfOtherDrawable(restrictTo.OriginPosition, Parent!).X;
                     float halfDiagonal = (restrictTo.DrawSize / 2).LengthFast;
 
                     start = center - halfDiagonal;

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

@@ -98,6 +98,9 @@ namespace osu.Game.Rulesets.Osu.Mods
                         // only apply to circle piece – reverse arrow is not affected by hidden.
                         sliderRepeat.CirclePiece.FadeOut(fadeDuration);
 
+                    using (drawableObject.BeginAbsoluteSequence(drawableObject.HitStateUpdateTime))
+                        sliderRepeat.FadeOut();
+
                     break;
 
                 case DrawableHitCircle circle:

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

@@ -129,7 +129,7 @@ namespace osu.Game.Rulesets.Osu.Mods
                             });
                             break;
 
-                        case SliderEventType.LastTick:
+                        case SliderEventType.Tail:
                             AddNested(TailCircle = new StrictTrackingSliderTailCircle(this)
                             {
                                 RepeatIndex = e.SpanIndex,

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

@@ -102,7 +102,7 @@ namespace osu.Game.Rulesets.Osu.Objects.Drawables
         /// </summary>
         public void MissForcefully() => ApplyResult(r => r.Type = r.Judgement.MinResult);
 
-        private RectangleF parentScreenSpaceRectangle => ((DrawableOsuHitObject)ParentHitObject)?.parentScreenSpaceRectangle ?? Parent.ScreenSpaceDrawQuad.AABBFloat;
+        private RectangleF parentScreenSpaceRectangle => ((DrawableOsuHitObject)ParentHitObject)?.parentScreenSpaceRectangle ?? Parent!.ScreenSpaceDrawQuad.AABBFloat;
 
         /// <summary>
         /// Calculates the position of the given <paramref name="drawable"/> relative to the playfield area.

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

@@ -40,6 +40,7 @@ namespace osu.Game.Rulesets.Osu.Objects.Drawables
         {
             HeadCircle,
             TailCircle,
+            repeatContainer,
             Body,
         };
 
@@ -107,7 +108,11 @@ namespace osu.Game.Rulesets.Osu.Objects.Drawables
                 headContainer = new Container<DrawableSliderHead> { RelativeSizeAxes = Axes.Both },
                 OverlayElementContainer = new Container { RelativeSizeAxes = Axes.Both, },
                 Ball,
-                slidingSample = new PausableSkinnableSound { Looping = true }
+                slidingSample = new PausableSkinnableSound
+                {
+                    Looping = true,
+                    MinimumSampleVolume = MINIMUM_SAMPLE_VOLUME,
+                }
             });
 
             PositionBindable.BindValueChanged(_ => Position = HitObject.StackedPosition);
@@ -264,7 +269,7 @@ namespace osu.Game.Rulesets.Osu.Objects.Drawables
 
         protected override void CheckForResult(bool userTriggered, double timeOffset)
         {
-            if (userTriggered || Time.Current < HitObject.EndTime)
+            if (userTriggered || !TailCircle.Judged || Time.Current < HitObject.EndTime)
                 return;
 
             // If only the nested hitobjects are judged, then the slider's own judgement is ignored for scoring purposes.

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

@@ -11,6 +11,7 @@ using osu.Framework.Graphics;
 using osu.Framework.Graphics.Containers;
 using osu.Framework.Input;
 using osu.Framework.Input.Events;
+using osu.Game.Rulesets.Objects;
 using osu.Game.Rulesets.Objects.Drawables;
 using osu.Game.Rulesets.Objects.Types;
 using osu.Game.Rulesets.Osu.Skinning.Default;
@@ -153,9 +154,12 @@ namespace osu.Game.Rulesets.Osu.Objects.Drawables
 
             Tracking =
                 // in valid time range
-                Time.Current >= drawableSlider.HitObject.StartTime && Time.Current < drawableSlider.HitObject.EndTime &&
+                Time.Current >= drawableSlider.HitObject.StartTime
+                // even in an edge case where current time has exceeded the slider's time, we may not have finished judging.
+                // we don't want to potentially update from Tracking=true to Tracking=false at this point.
+                && (!drawableSlider.AllJudged || Time.Current <= drawableSlider.HitObject.GetEndTime())
                 // in valid position range
-                lastScreenSpaceMousePosition.HasValue && followCircleReceptor.ReceivePositionalInputAt(lastScreenSpaceMousePosition.Value) &&
+                && lastScreenSpaceMousePosition.HasValue && followCircleReceptor.ReceivePositionalInputAt(lastScreenSpaceMousePosition.Value) &&
                 // valid action
                 (actions?.Any(isValidTrackingAction) ?? false);
 

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

@@ -118,11 +118,6 @@ namespace osu.Game.Rulesets.Osu.Objects.Drawables
 
                 case ArmedState.Hit:
                     this.FadeOut(animDuration, Easing.Out);
-
-                    const float final_scale = 1.5f;
-
-                    Arrow.ScaleTo(Scale * final_scale, animDuration, Easing.Out);
-                    CirclePiece.ScaleTo(Scale * final_scale, animDuration, Easing.Out);
                     break;
             }
         }

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

@@ -8,6 +8,7 @@ using JetBrains.Annotations;
 using osu.Framework.Allocation;
 using osu.Framework.Graphics;
 using osu.Framework.Graphics.Containers;
+using osu.Game.Rulesets.Objects;
 using osu.Game.Rulesets.Objects.Drawables;
 using osu.Game.Rulesets.Objects.Types;
 using osu.Game.Skinning;
@@ -125,8 +126,22 @@ namespace osu.Game.Rulesets.Osu.Objects.Drawables
 
         protected override void CheckForResult(bool userTriggered, double timeOffset)
         {
-            if (!userTriggered && timeOffset >= 0)
+            if (userTriggered)
-                ApplyResult(r => r.Type = Tracking ? r.Judgement.MaxResult : r.Judgement.MinResult);
+                return;
+
+            // Ensure the tail can only activate after all previous ticks already have.
+            //
+            // This covers the edge case where the lenience may allow the tail to activate before
+            // the last tick, changing ordering of score/combo awarding.
+            if (DrawableSlider.NestedHitObjects.Count > 1 && !DrawableSlider.NestedHitObjects[^2].Judged)
+                return;
+
+            // The player needs to have engaged in tracking at any point after the tail leniency cutoff.
+            // An actual tick miss should only occur if reaching the tick itself.
+            if (timeOffset >= SliderEventGenerator.TAIL_LENIENCY && Tracking)
+                ApplyResult(r => r.Type = r.Judgement.MaxResult);
+            else if (timeOffset > 0)
+                ApplyResult(r => r.Type = r.Judgement.MinResult);
         }
 
         protected override void OnApply()

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

@@ -48,9 +48,16 @@ namespace osu.Game.Rulesets.Osu.Objects.Drawables
         /// <summary>
         /// The amount of bonus score gained from spinning after the required number of spins, for display purposes.
         /// </summary>
-        public IBindable<double> GainedBonus => gainedBonus;
+        public double CurrentBonusScore => score_per_tick * Math.Clamp(completedFullSpins.Value - HitObject.SpinsRequiredForBonus, 0, HitObject.MaximumBonusSpins);
 
-        private readonly Bindable<double> gainedBonus = new BindableDouble();
+        /// <summary>
+        /// The maximum amount of bonus score which can be achieved from extra spins.
+        /// </summary>
+        public double MaximumBonusScore => score_per_tick * HitObject.MaximumBonusSpins;
+
+        public IBindable<int> CompletedFullSpins => completedFullSpins;
+
+        private readonly Bindable<int> completedFullSpins = new Bindable<int>();
 
         /// <summary>
         /// The number of spins per minute this spinner is spinning at, for display purposes.
@@ -99,6 +106,7 @@ namespace osu.Game.Rulesets.Osu.Objects.Drawables
                 spinningSample = new PausableSkinnableSound
                 {
                     Volume = { Value = 0 },
+                    MinimumSampleVolume = MINIMUM_SAMPLE_VOLUME,
                     Looping = true,
                     Frequency = { Value = spinning_sample_initial_frequency }
                 }
@@ -218,7 +226,7 @@ namespace osu.Game.Rulesets.Osu.Objects.Drawables
                     // these become implicitly hit.
                     return 1;
 
-                return Math.Clamp(Result.RateAdjustedRotation / 360 / HitObject.SpinsRequired, 0, 1);
+                return Math.Clamp(Result.TotalRotation / 360 / HitObject.SpinsRequired, 0, 1);
             }
         }
 
@@ -279,43 +287,35 @@ namespace osu.Game.Rulesets.Osu.Objects.Drawables
             // don't update after end time to avoid the rate display dropping during fade out.
             // this shouldn't be limited to StartTime as it causes weirdness with the underlying calculation, which is expecting updates during that period.
             if (Time.Current <= HitObject.EndTime)
-                spmCalculator.SetRotation(Result.RateAdjustedRotation);
+                spmCalculator.SetRotation(Result.TotalRotation);
 
             updateBonusScore();
         }
 
         private static readonly int score_per_tick = new SpinnerBonusTick.OsuSpinnerBonusTickJudgement().MaxNumericResult;
 
-        private int completedFullSpins;
-
         private void updateBonusScore()
         {
             if (ticks.Count == 0)
                 return;
 
-            int spins = (int)(Result.RateAdjustedRotation / 360);
+            int spins = (int)(Result.TotalRotation / 360);
 
-            if (spins < completedFullSpins)
+            if (spins < completedFullSpins.Value)
             {
                 // rewinding, silently handle
-                completedFullSpins = spins;
+                completedFullSpins.Value = spins;
                 return;
             }
 
-            while (completedFullSpins != spins)
+            while (completedFullSpins.Value != spins)
             {
                 var tick = ticks.FirstOrDefault(t => !t.Result.HasResult);
 
                 // tick may be null if we've hit the spin limit.
-                if (tick != null)
+                tick?.TriggerResult(true);
-                {
-                    tick.TriggerResult(true);
 
-                    if (tick is DrawableSpinnerBonusTick)
+                completedFullSpins.Value++;
-                        gainedBonus.Value = score_per_tick * (spins - HitObject.SpinsRequiredForBonus);
-                }
-
-                completedFullSpins++;
             }
         }
     }

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

@@ -25,6 +25,16 @@ namespace osu.Game.Rulesets.Osu.Objects.Drawables
             Origin = Anchor.Centre;
         }
 
+        protected override void OnApply()
+        {
+            base.OnApply();
+
+            // the tick can be theoretically judged at any point in the spinner's duration,
+            // so it must be alive throughout the spinner's entire lifetime.
+            // this mostly matters for correct sample playback.
+            LifetimeStart = DrawableSpinner.HitObject.StartTime;
+        }
+
         /// <summary>
         /// Apply a judgement result.
         /// </summary>

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

@@ -0,0 +1,146 @@
+// 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;
+
+namespace osu.Game.Rulesets.Osu.Objects.Drawables
+{
+    /// <summary>
+    /// Stores the spinning history of a single spinner.<br />
+    /// Instants of movement deltas may be added or removed from this in order to calculate the total rotation for the spinner.
+    /// </summary>
+    /// <remarks>
+    /// A single, full rotation of the spinner is defined as a 360-degree rotation of the spinner, starting from 0, going in a single direction.<br />
+    /// </remarks>
+    /// <example>
+    /// If the player spins 90-degrees clockwise, then changes direction, they need to spin 90-degrees counter-clockwise to return to 0
+    /// and then continue rotating the spinner for another 360-degrees in the same direction.
+    /// </example>
+    public class SpinnerSpinHistory
+    {
+        /// <summary>
+        /// The sum of all complete spins and any current partial spin, in degrees.
+        /// </summary>
+        /// <remarks>
+        /// This is the final scoring value.
+        /// </remarks>
+        public float TotalRotation => 360 * completedSpins.Count + currentSpinMaxRotation;
+
+        private readonly Stack<CompletedSpin> completedSpins = new Stack<CompletedSpin>();
+
+        /// <summary>
+        /// The total accumulated (absolute) rotation.
+        /// </summary>
+        private float totalAccumulatedRotation;
+
+        private float totalAccumulatedRotationAtLastCompletion;
+
+        /// <summary>
+        /// For the current spin, represents the maximum absolute rotation (from 0..360) achieved by the user.
+        /// </summary>
+        /// <remarks>
+        /// This is used to report <see cref="TotalRotation"/> in the case a user spins backwards.
+        /// Basically it allows us to not reduce the total rotation in such a case.
+        ///
+        /// This also stops spinner "cheese" where a user may rapidly change directions and cause an increase
+        /// in rotations.
+        /// </remarks>
+        private float currentSpinMaxRotation;
+
+        /// <summary>
+        /// The current spin, from -360..360.
+        /// </summary>
+        private float currentSpinRotation => totalAccumulatedRotation - totalAccumulatedRotationAtLastCompletion;
+
+        private double lastReportTime = double.NegativeInfinity;
+
+        /// <summary>
+        /// Report a delta update based on user input.
+        /// </summary>
+        /// <param name="currentTime">The current time.</param>
+        /// <param name="delta">The delta of the angle moved through since the last report.</param>
+        public void ReportDelta(double currentTime, float delta)
+        {
+            if (delta == 0)
+                return;
+
+            // Importantly, outside of tests the max delta entering here is 180 degrees.
+            // If it wasn't for tests, we could add this line:
+            //
+            // Debug.Assert(Math.Abs(delta) < 180);
+            //
+            // For this to be 101% correct, we need to add the ability for important frames to be
+            // created based on gameplay intrinsics (ie. there should be one frame for any spinner delta 90 < n < 180 degrees).
+            //
+            // But this can come later.
+
+            totalAccumulatedRotation += delta;
+
+            if (currentTime >= lastReportTime)
+            {
+                currentSpinMaxRotation = Math.Max(currentSpinMaxRotation, Math.Abs(currentSpinRotation));
+
+                // Handle the case where the user has completed another spin.
+                // Note that this does could be an `if` rather than `while` if the above assertion held true.
+                // It is a `while` loop to handle tests which throw larger values at this method.
+                while (currentSpinMaxRotation >= 360)
+                {
+                    int direction = Math.Sign(currentSpinRotation);
+
+                    completedSpins.Push(new CompletedSpin(currentTime, direction));
+
+                    // Incrementing the last completion point will cause `currentSpinRotation` to
+                    // hold the remaining spin that needs to be considered.
+                    totalAccumulatedRotationAtLastCompletion += direction * 360;
+
+                    // Reset the current max as we are entering a new spin.
+                    // Importantly, carry over the remainder (which is now stored in `currentSpinRotation`).
+                    currentSpinMaxRotation = Math.Abs(currentSpinRotation);
+                }
+            }
+            else
+            {
+                // When rewinding, the main thing we care about is getting `totalAbsoluteRotationsAtLastCompletion`
+                // to the correct value. We can used the stored history for this.
+                while (completedSpins.TryPeek(out var segment) && segment.CompletionTime > currentTime)
+                {
+                    completedSpins.Pop();
+                    totalAccumulatedRotationAtLastCompletion -= segment.Direction * 360;
+                }
+
+                // This is a best effort. We may not have enough data to match this 1:1, but that's okay.
+                // We know that the player is somewhere in a spin.
+                // In the worst case, this will be lower than expected, and recover in forward playback.
+                currentSpinMaxRotation = Math.Abs(currentSpinRotation);
+            }
+
+            lastReportTime = currentTime;
+        }
+
+        /// <summary>
+        /// Represents a single completed spin.
+        /// </summary>
+        private class CompletedSpin
+        {
+            /// <summary>
+            /// The time at which this spin completion occurred.
+            /// </summary>
+            public readonly double CompletionTime;
+
+            /// <summary>
+            /// The direction this spin completed in.
+            /// </summary>
+            public readonly int Direction;
+
+            public CompletedSpin(double completionTime, int direction)
+            {
+                Debug.Assert(direction == -1 || direction == 1);
+
+                CompletionTime = completionTime;
+                Direction = direction;
+            }
+        }
+    }
+}

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

@@ -7,6 +7,7 @@ using osu.Framework.Bindables;
 using osu.Game.Beatmaps;
 using osu.Game.Beatmaps.ControlPoints;
 using osu.Game.Rulesets.Objects;
+using osu.Game.Rulesets.Objects.Legacy;
 using osu.Game.Rulesets.Objects.Types;
 using osu.Game.Rulesets.Osu.Scoring;
 using osu.Game.Rulesets.Scoring;
@@ -155,7 +156,7 @@ namespace osu.Game.Rulesets.Osu.Objects
             // This adjustment is necessary for AR>10, otherwise TimePreempt can become smaller leading to hitcircles not fully fading in.
             TimeFadeIn = 400 * Math.Min(1, TimePreempt / PREEMPT_MIN);
 
-            Scale = (1.0f - 0.7f * (difficulty.CircleSize - 5) / 5) / 2;
+            Scale = LegacyRulesetExtensions.CalculateScaleFromCircleSize(difficulty.CircleSize, true);
         }
 
         protected override HitWindows CreateHitWindows() => new OsuHitWindows();

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

@@ -204,11 +204,7 @@ namespace osu.Game.Rulesets.Osu.Objects
                         });
                         break;
 
-                    case SliderEventType.LastTick:
+                    case SliderEventType.Tail:
-                        // Of note, we are directly mapping LastTick (instead of `SliderEventType.Tail`)  to SliderTailCircle.
-                        // It is required as difficulty calculation and gameplay relies on reading this value.
-                        // (although it is displayed in classic skins, which may be a concern).
-                        // If this is to change, we should revisit this.
                         AddNested(TailCircle = new SliderTailCircle(this)
                         {
                             RepeatIndex = e.SpanIndex,

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

@@ -2,16 +2,11 @@
 // See the LICENCE file in the repository root for full licence text.
 
 using osu.Game.Rulesets.Judgements;
-using osu.Game.Rulesets.Objects;
 using osu.Game.Rulesets.Osu.Judgements;
 using osu.Game.Rulesets.Scoring;
 
 namespace osu.Game.Rulesets.Osu.Objects
 {
-    /// <summary>
-    /// Note that this should not be used for timing correctness.
-    /// See <see cref="SliderEventType.LastTick"/> usage in <see cref="Slider"/> for more information.
-    /// </summary>
     public class SliderTailCircle : SliderEndCircle
     {
         public SliderTailCircle(Slider slider)

osu.Game.Rulesets.Osu/Resources/Testing/Beatmaps/very-fast-slider.osu

@@ -0,0 +1,21 @@
+osu file format v128
+
+[Difficulty]
+HPDrainRate: 3
+CircleSize: 4
+OverallDifficulty: 9
+ApproachRate: 9.3
+SliderMultiplier: 3.59999990463257
+SliderTickRate: 1
+
+[TimingPoints]
+812,342.857142857143,4,1,1,70,1,0
+57383,-28.5714285714286,4,1,1,70,0,0
+
+[HitObjects]
+// Taken from https://osu.ppy.sh/beatmapsets/881996#osu/1844019
+// This slider is 42 ms in length, triggering the LegacyLastTick edge case.
+// The tick will be at 21.5 ms (sliderDuration / 2) instead of 6 ms (sliderDuration - LAST_TICK_LENIENCE).
+416,41,57383,6,0,L|467:217,1,157.499997329712,2|0,3:3|3:0,3:0:0:0:
+// Include the next slider as well to cover the jump back to the start position.
+407,73,57469,2,0,L|470:215,1,129.599999730835,2|0,0:0|0:0,0:0:0:0:

osu.Game.Rulesets.Osu/Skinning/Argon/ArgonReverseArrow.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.Allocation;
 using osu.Framework.Bindables;
 using osu.Framework.Extensions.Color4Extensions;
@@ -12,6 +13,7 @@ using osu.Framework.Graphics.Sprites;
 using osu.Framework.Graphics.Textures;
 using osu.Game.Rulesets.Objects.Drawables;
 using osu.Game.Rulesets.Osu.Objects;
+using osu.Game.Rulesets.Osu.Objects.Drawables;
 using osuTK;
 using osuTK.Graphics;
 
@@ -19,8 +21,7 @@ namespace osu.Game.Rulesets.Osu.Skinning.Argon
 {
     public partial class ArgonReverseArrow : CompositeDrawable
     {
-        [Resolved]
+        private DrawableSliderRepeat drawableRepeat { get; set; } = null!;
-        private DrawableHitObject drawableObject { get; set; } = null!;
 
         private Bindable<Color4> accentColour = null!;
 
@@ -29,8 +30,10 @@ namespace osu.Game.Rulesets.Osu.Skinning.Argon
         private Sprite side = null!;
 
         [BackgroundDependencyLoader]
-        private void load(TextureStore textures)
+        private void load(DrawableHitObject drawableObject, TextureStore textures)
         {
+            drawableRepeat = (DrawableSliderRepeat)drawableObject;
+
             Anchor = Anchor.Centre;
             Origin = Anchor.Centre;
 
@@ -70,10 +73,10 @@ namespace osu.Game.Rulesets.Osu.Skinning.Argon
                 }
             };
 
-            accentColour = drawableObject.AccentColour.GetBoundCopy();
+            accentColour = drawableRepeat.AccentColour.GetBoundCopy();
             accentColour.BindValueChanged(accent => icon.Colour = accent.NewValue.Darken(4), true);
 
-            drawableObject.ApplyCustomUpdateState += updateStateTransforms;
+            drawableRepeat.ApplyCustomUpdateState += updateStateTransforms;
         }
 
         private void updateStateTransforms(DrawableHitObject hitObject, ArmedState state)
@@ -96,6 +99,11 @@ namespace osu.Game.Rulesets.Osu.Skinning.Argon
                         .MoveToX(0, move_in_duration, Easing.Out)
                         .Loop(total - (move_in_duration + move_out_duration));
                     break;
+
+                case ArmedState.Hit:
+                    double animDuration = Math.Min(300, drawableRepeat.HitObject.SpanDuration);
+                    this.ScaleTo(1.5f, animDuration, Easing.Out);
+                    break;
             }
         }
 
@@ -103,8 +111,8 @@ namespace osu.Game.Rulesets.Osu.Skinning.Argon
         {
             base.Dispose(isDisposing);
 
-            if (drawableObject.IsNotNull())
+            if (drawableRepeat.IsNotNull())
-                drawableObject.ApplyCustomUpdateState -= updateStateTransforms;
+                drawableRepeat.ApplyCustomUpdateState -= updateStateTransforms;
         }
     }
 }

osu.Game.Rulesets.Osu/Skinning/Argon/ArgonSliderBall.cs

@@ -109,7 +109,7 @@ namespace osu.Game.Rulesets.Osu.Skinning.Argon
             base.Update();
 
             //undo rotation on layers which should not be rotated.
-            float appliedRotation = Parent.Rotation;
+            float appliedRotation = Parent!.Rotation;
 
             fill.Rotation = -appliedRotation;
         }

osu.Game.Rulesets.Osu/Skinning/Argon/ArgonSpinner.cs

@@ -35,14 +35,6 @@ namespace osu.Game.Rulesets.Osu.Skinning.Argon
 
             InternalChildren = new Drawable[]
             {
-                bonusCounter = new OsuSpriteText
-                {
-                    Alpha = 0,
-                    Anchor = Anchor.Centre,
-                    Origin = Anchor.Centre,
-                    Font = OsuFont.Default.With(size: 24),
-                    Y = -120,
-                },
                 new ArgonSpinnerDisc
                 {
                     RelativeSizeAxes = Axes.Both,
@@ -85,19 +77,33 @@ namespace osu.Game.Rulesets.Osu.Skinning.Argon
             };
         }
 
-        private IBindable<double> gainedBonus = null!;
+        private IBindable<int> completedSpins = null!;
         private IBindable<double> spinsPerMinute = null!;
 
         protected override void LoadComplete()
         {
             base.LoadComplete();
 
-            gainedBonus = drawableSpinner.GainedBonus.GetBoundCopy();
+            completedSpins = drawableSpinner.CompletedFullSpins.GetBoundCopy();
-            gainedBonus.BindValueChanged(bonus =>
+            completedSpins.BindValueChanged(_ =>
             {
-                bonusCounter.Text = bonus.NewValue.ToString(NumberFormatInfo.InvariantInfo);
+                if (drawableSpinner.CurrentBonusScore <= 0)
-                bonusCounter.FadeOutFromOne(1500);
+                    return;
+
+                if (drawableSpinner.CurrentBonusScore == drawableSpinner.MaximumBonusScore)
+                {
+                    bonusCounter.Text = "MAX";
+                    bonusCounter.ScaleTo(1.5f).Then().ScaleTo(2.8f, 1000, Easing.OutQuint);
+
+                    bonusCounter.FlashColour(Colour4.FromHex("FC618F"), 400);
+                    bonusCounter.FadeOutFromOne(500);
+                }
+                else
+                {
+                    bonusCounter.Text = drawableSpinner.CurrentBonusScore.ToString(NumberFormatInfo.InvariantInfo);
                     bonusCounter.ScaleTo(1.5f).Then().ScaleTo(1f, 1000, Easing.OutQuint);
+                    bonusCounter.FadeOutFromOne(1500);
+                }
             });
 
             spinsPerMinute = drawableSpinner.SpinsPerMinute.GetBoundCopy();

osu.Game.Rulesets.Osu/Skinning/Argon/ArgonSpinnerDisc.cs

@@ -37,7 +37,7 @@ namespace osu.Game.Rulesets.Osu.Skinning.Argon
         {
             get
             {
-                int rotations = (int)(drawableSpinner.Result.RateAdjustedRotation / 360);
+                int rotations = (int)(drawableSpinner.Result.TotalRotation / 360);
 
                 if (wholeRotationCount == rotations) return false;
 

osu.Game.Rulesets.Osu/Skinning/Default/DefaultReverseArrow.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.Allocation;
 using osu.Framework.Extensions.ObjectExtensions;
 using osu.Framework.Graphics;
@@ -8,14 +9,14 @@ using osu.Framework.Graphics.Containers;
 using osu.Framework.Graphics.Sprites;
 using osu.Game.Rulesets.Objects.Drawables;
 using osu.Game.Rulesets.Osu.Objects;
+using osu.Game.Rulesets.Osu.Objects.Drawables;
 using osuTK;
 
 namespace osu.Game.Rulesets.Osu.Skinning.Default
 {
     public partial class DefaultReverseArrow : CompositeDrawable
     {
-        [Resolved]
+        private DrawableSliderRepeat drawableRepeat { get; set; } = null!;
-        private DrawableHitObject drawableObject { get; set; } = null!;
 
         public DefaultReverseArrow()
         {
@@ -36,9 +37,10 @@ namespace osu.Game.Rulesets.Osu.Skinning.Default
         }
 
         [BackgroundDependencyLoader]
-        private void load()
+        private void load(DrawableHitObject drawableObject)
         {
-            drawableObject.ApplyCustomUpdateState += updateStateTransforms;
+            drawableRepeat = (DrawableSliderRepeat)drawableObject;
+            drawableRepeat.ApplyCustomUpdateState += updateStateTransforms;
         }
 
         private void updateStateTransforms(DrawableHitObject hitObject, ArmedState state)
@@ -55,6 +57,11 @@ namespace osu.Game.Rulesets.Osu.Skinning.Default
                                  .ScaleTo(1f, move_in_duration, Easing.Out)
                                  .Loop(total - (move_in_duration + move_out_duration));
                     break;
+
+                case ArmedState.Hit:
+                    double animDuration = Math.Min(300, drawableRepeat.HitObject.SpanDuration);
+                    InternalChild.ScaleTo(1.5f, animDuration, Easing.Out);
+                    break;
             }
         }
 
@@ -62,8 +69,8 @@ namespace osu.Game.Rulesets.Osu.Skinning.Default
         {
             base.Dispose(isDisposing);
 
-            if (drawableObject.IsNotNull())
+            if (drawableRepeat.IsNotNull())
-                drawableObject.ApplyCustomUpdateState -= updateStateTransforms;
+                drawableRepeat.ApplyCustomUpdateState -= updateStateTransforms;
         }
     }
 }

osu.Game.Rulesets.Osu/Skinning/Default/DefaultSpinner.cs

@@ -24,6 +24,9 @@ namespace osu.Game.Rulesets.Osu.Skinning.Default
         private Container spmContainer = null!;
         private OsuSpriteText spmCounter = null!;
 
+        [Resolved]
+        private OsuColour colours { get; set; } = null!;
+
         public DefaultSpinner()
         {
             RelativeSizeAxes = Axes.Both;
@@ -80,19 +83,33 @@ namespace osu.Game.Rulesets.Osu.Skinning.Default
             });
         }
 
-        private IBindable<double> gainedBonus = null!;
+        private IBindable<int> completedSpins = null!;
         private IBindable<double> spinsPerMinute = null!;
 
         protected override void LoadComplete()
         {
             base.LoadComplete();
 
-            gainedBonus = drawableSpinner.GainedBonus.GetBoundCopy();
+            completedSpins = drawableSpinner.CompletedFullSpins.GetBoundCopy();
-            gainedBonus.BindValueChanged(bonus =>
+            completedSpins.BindValueChanged(bonus =>
             {
-                bonusCounter.Text = bonus.NewValue.ToString(NumberFormatInfo.InvariantInfo);
+                if (drawableSpinner.CurrentBonusScore <= 0)
+                    return;
+
+                if (drawableSpinner.CurrentBonusScore == drawableSpinner.MaximumBonusScore)
+                {
+                    bonusCounter.Text = "MAX";
+                    bonusCounter.ScaleTo(1.5f).Then().ScaleTo(2.8f, 1000, Easing.OutQuint);
+
+                    bonusCounter.FlashColour(colours.YellowLight, 400);
+                    bonusCounter.FadeOutFromOne(500);
+                }
+                else
+                {
+                    bonusCounter.Text = drawableSpinner.CurrentBonusScore.ToString(NumberFormatInfo.InvariantInfo);
                     bonusCounter.FadeOutFromOne(1500);
                     bonusCounter.ScaleTo(1.5f).Then().ScaleTo(1f, 1000, Easing.OutQuint);
+                }
             });
 
             spinsPerMinute = drawableSpinner.SpinsPerMinute.GetBoundCopy();

osu.Game.Rulesets.Osu/Skinning/Default/DefaultSpinnerDisc.cs

@@ -200,7 +200,7 @@ namespace osu.Game.Rulesets.Osu.Skinning.Default
         {
             get
             {
-                int rotations = (int)(drawableSpinner.Result.RateAdjustedRotation / 360);
+                int rotations = (int)(drawableSpinner.Result.TotalRotation / 360);
 
                 if (wholeRotationCount == rotations) return false;
 

osu.Game.Rulesets.Osu/Skinning/Default/SpinnerRotationTracker.cs

@@ -2,6 +2,7 @@
 // See the LICENCE file in the repository root for full licence text.
 
 using System;
+using System.Diagnostics;
 using osu.Framework.Allocation;
 using osu.Framework.Bindables;
 using osu.Framework.Extensions.ObjectExtensions;
@@ -22,11 +23,10 @@ namespace osu.Game.Rulesets.Osu.Skinning.Default
 
         private readonly DrawableSpinner drawableSpinner;
 
-        private Vector2 mousePosition;
+        private Vector2? mousePosition;
+        private float? lastAngle;
 
-        private float lastAngle;
         private float currentRotation;
-
         private bool rotationTransferred;
 
         [Resolved(canBeNull: true)]
@@ -56,24 +56,30 @@ namespace osu.Game.Rulesets.Osu.Skinning.Default
 
         protected override bool OnMouseMove(MouseMoveEvent e)
         {
-            mousePosition = Parent.ToLocalSpace(e.ScreenSpaceMousePosition);
+            mousePosition = Parent!.ToLocalSpace(e.ScreenSpaceMousePosition);
             return base.OnMouseMove(e);
         }
 
         protected override void Update()
         {
             base.Update();
-            float thisAngle = -MathUtils.RadiansToDegrees(MathF.Atan2(mousePosition.X - DrawSize.X / 2, mousePosition.Y - DrawSize.Y / 2));
 
-            float delta = thisAngle - lastAngle;
+            if (mousePosition is Vector2 pos)
+            {
+                float thisAngle = -MathUtils.RadiansToDegrees(MathF.Atan2(pos.X - DrawSize.X / 2, pos.Y - DrawSize.Y / 2));
+                float delta = lastAngle == null ? 0 : thisAngle - lastAngle.Value;
+
+                // Normalise the delta to -180 .. 180
+                if (delta > 180) delta -= 360;
+                if (delta < -180) delta += 360;
 
                 if (Tracking)
                     AddRotation(delta);
 
                 lastAngle = thisAngle;
+            }
 
             IsSpinning.Value = isSpinnableTime && Math.Abs(currentRotation - Rotation) > 10f;
-
             Rotation = (float)Interpolation.Damp(Rotation, currentRotation, 0.99, Math.Abs(Time.Elapsed));
         }
 
@@ -83,41 +89,35 @@ namespace osu.Game.Rulesets.Osu.Skinning.Default
         /// <remarks>
         /// Will be a no-op if not a valid time to spin.
         /// </remarks>
-        /// <param name="angle">The delta angle.</param>
+        /// <param name="delta">The delta angle.</param>
-        public void AddRotation(float angle)
+        public void AddRotation(float delta)
         {
             if (!isSpinnableTime)
                 return;
 
             if (!rotationTransferred)
             {
-                currentRotation = Rotation * 2;
+                currentRotation = Rotation;
                 rotationTransferred = true;
             }
 
-            if (angle > 180)
+            double rate = gameplayClock?.GetTrueGameplayRate() ?? Clock.Rate;
-            {
+            delta = (float)(delta * Math.Abs(rate));
-                lastAngle += 360;
-                angle -= 360;
-            }
-            else if (-angle > 180)
-            {
-                lastAngle -= 360;
-                angle += 360;
-            }
 
-            currentRotation += angle;
+            Debug.Assert(Math.Abs(delta) <= 180);
-            // rate has to be applied each frame, because it's not guaranteed to be constant throughout playback
+
-            // (see: ModTimeRamp)
+            currentRotation += delta;
-            drawableSpinner.Result.RateAdjustedRotation += (float)(Math.Abs(angle) * (gameplayClock?.GetTrueGameplayRate() ?? Clock.Rate));
+            drawableSpinner.Result.History.ReportDelta(Time.Current, delta);
         }
 
         private void resetState(DrawableHitObject obj)
         {
             Tracking = false;
             IsSpinning.Value = false;
-            mousePosition = default;
+            mousePosition = null;
-            lastAngle = currentRotation = Rotation = 0;
+            lastAngle = null;
+            currentRotation = 0;
+            Rotation = 0;
             rotationTransferred = false;
         }
 

osu.Game.Rulesets.Osu/Skinning/Legacy/LegacyReverseArrow.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 System.Diagnostics;
 using osu.Framework.Allocation;
 using osu.Framework.Bindables;
@@ -17,8 +18,7 @@ namespace osu.Game.Rulesets.Osu.Skinning.Legacy
 {
     public partial class LegacyReverseArrow : CompositeDrawable
     {
-        [Resolved]
+        private DrawableSliderRepeat drawableRepeat { get; set; } = null!;
-        private DrawableHitObject drawableObject { get; set; } = null!;
 
         private Drawable proxy = null!;
 
@@ -31,8 +31,10 @@ namespace osu.Game.Rulesets.Osu.Skinning.Legacy
         private bool shouldRotate;
 
         [BackgroundDependencyLoader]
-        private void load(ISkinSource skinSource)
+        private void load(DrawableHitObject drawableObject, ISkinSource skinSource)
         {
+            drawableRepeat = (DrawableSliderRepeat)drawableObject;
+
             AutoSizeAxes = Axes.Both;
 
             string lookupName = new OsuSkinComponentLookup(OsuSkinComponents.ReverseArrow).LookupName;
@@ -58,10 +60,10 @@ namespace osu.Game.Rulesets.Osu.Skinning.Legacy
 
             proxy = CreateProxy();
 
-            drawableObject.HitObjectApplied += onHitObjectApplied;
+            drawableRepeat.HitObjectApplied += onHitObjectApplied;
-            onHitObjectApplied(drawableObject);
+            onHitObjectApplied(drawableRepeat);
 
-            accentColour = drawableObject.AccentColour.GetBoundCopy();
+            accentColour = drawableRepeat.AccentColour.GetBoundCopy();
             accentColour.BindValueChanged(c =>
             {
                 arrow.Colour = textureIsDefaultSkin && c.NewValue.R + c.NewValue.G + c.NewValue.B > (600 / 255f) ? Color4.Black : Color4.White;
@@ -73,8 +75,7 @@ namespace osu.Game.Rulesets.Osu.Skinning.Legacy
             Debug.Assert(proxy.Parent == null);
 
             // see logic in LegacySliderHeadHitCircle.
-            (drawableObject as DrawableSliderRepeat)?.DrawableSlider
+            drawableRepeat.DrawableSlider.OverlayElementContainer.Add(proxy);
-                                                    .OverlayElementContainer.Add(proxy);
         }
 
         private void updateStateTransforms(DrawableHitObject hitObject, ArmedState state)
@@ -102,6 +103,11 @@ namespace osu.Game.Rulesets.Osu.Skinning.Legacy
                     }
 
                     break;
+
+                case ArmedState.Hit:
+                    double animDuration = Math.Min(300, drawableRepeat.HitObject.SpanDuration);
+                    InternalChild.ScaleTo(1.4f, animDuration, Easing.Out);
+                    break;
             }
         }
 
@@ -109,10 +115,10 @@ namespace osu.Game.Rulesets.Osu.Skinning.Legacy
         {
             base.Dispose(isDisposing);
 
-            if (drawableObject.IsNotNull())
+            if (drawableRepeat.IsNotNull())
             {
-                drawableObject.HitObjectApplied -= onHitObjectApplied;
+                drawableRepeat.HitObjectApplied -= onHitObjectApplied;
-                drawableObject.ApplyCustomUpdateState -= updateStateTransforms;
+                drawableRepeat.ApplyCustomUpdateState -= updateStateTransforms;
             }
         }
     }

osu.Game.Rulesets.Osu/Skinning/Legacy/LegacySliderBall.cs

@@ -1,35 +1,39 @@
 // Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
 // See the LICENCE file in the repository root for full licence text.
 
+using System;
 using osu.Framework.Allocation;
 using osu.Framework.Bindables;
 using osu.Framework.Graphics;
+using osu.Framework.Graphics.Animations;
 using osu.Framework.Graphics.Containers;
 using osu.Framework.Graphics.Sprites;
+using osu.Framework.Graphics.Textures;
 using osu.Game.Rulesets.Objects.Drawables;
 using osu.Game.Rulesets.Osu.Objects.Drawables;
 using osu.Game.Skinning;
+using osuTK;
 using osuTK.Graphics;
 
 namespace osu.Game.Rulesets.Osu.Skinning.Legacy
 {
     public partial class LegacySliderBall : CompositeDrawable
     {
-        private readonly Drawable animationContent;
-
         private readonly ISkin skin;
 
         [Resolved(canBeNull: true)]
         private DrawableHitObject? parentObject { get; set; }
 
-        public Color4 BallColour => animationContent.Colour;
-
         private Sprite layerNd = null!;
         private Sprite layerSpec = null!;
 
-        public LegacySliderBall(Drawable animationContent, ISkin skin)
+        private TextureAnimation ballAnimation = null!;
+        private Texture[] ballTextures = null!;
+
+        public Color4 BallColour => ballAnimation.Colour;
+
+        public LegacySliderBall(ISkin skin)
         {
-            this.animationContent = animationContent;
             this.skin = skin;
 
             AutoSizeAxes = Axes.Both;
@@ -38,30 +42,39 @@ namespace osu.Game.Rulesets.Osu.Skinning.Legacy
         [BackgroundDependencyLoader]
         private void load()
         {
-            var ballColour = skin.GetConfig<OsuSkinColour, Color4>(OsuSkinColour.SliderBall)?.Value ?? Color4.White;
+            Vector2 maxSize = OsuLegacySkinTransformer.MAX_FOLLOW_CIRCLE_AREA_SIZE;
 
-            InternalChildren = new[]
+            var ballColour = skin.GetConfig<OsuSkinColour, Color4>(OsuSkinColour.SliderBall)?.Value ?? Color4.White;
+            ballTextures = skin.GetTextures("sliderb", default, default, true, "", maxSize, out _);
+
+            InternalChildren = new Drawable[]
             {
                 layerNd = new Sprite
                 {
                     Anchor = Anchor.Centre,
                     Origin = Anchor.Centre,
-                    Texture = skin.GetTexture("sliderb-nd")?.WithMaximumSize(OsuLegacySkinTransformer.MAX_FOLLOW_CIRCLE_AREA_SIZE),
+                    Texture = skin.GetTexture("sliderb-nd")?.WithMaximumSize(maxSize),
                     Colour = new Color4(5, 5, 5, 255),
                 },
-                LegacyColourCompatibility.ApplyWithDoubledAlpha(animationContent.With(d =>
+                ballAnimation = new LegacySkinExtensions.SkinnableTextureAnimation
                 {
-                    d.Anchor = Anchor.Centre;
+                    Anchor = Anchor.Centre,
-                    d.Origin = Anchor.Centre;
+                    Origin = Anchor.Centre,
-                }), ballColour),
+                    Colour = ballColour,
+                },
                 layerSpec = new Sprite
                 {
                     Anchor = Anchor.Centre,
                     Origin = Anchor.Centre,
-                    Texture = skin.GetTexture("sliderb-spec")?.WithMaximumSize(OsuLegacySkinTransformer.MAX_FOLLOW_CIRCLE_AREA_SIZE),
+                    Texture = skin.GetTexture("sliderb-spec")?.WithMaximumSize(maxSize),
                     Blending = BlendingParameters.Additive,
                 },
             };
+
+            if (parentObject != null)
+                parentObject.HitObjectApplied += onHitObjectApplied;
+
+            onHitObjectApplied(parentObject);
         }
 
         private readonly IBindable<Color4> accentColour = new Bindable<Color4>();
@@ -78,7 +91,7 @@ namespace osu.Game.Rulesets.Osu.Skinning.Legacy
                 if (skin.GetConfig<SkinConfiguration.LegacySetting, bool>(SkinConfiguration.LegacySetting.AllowSliderBallTint)?.Value == true)
                 {
                     accentColour.BindTo(parentObject.AccentColour);
-                    accentColour.BindValueChanged(a => animationContent.Colour = a.NewValue, true);
+                    accentColour.BindValueChanged(a => ballAnimation.Colour = a.NewValue, true);
                 }
             }
         }
@@ -88,12 +101,32 @@ namespace osu.Game.Rulesets.Osu.Skinning.Legacy
             base.UpdateAfterChildren();
 
             //undo rotation on layers which should not be rotated.
-            float appliedRotation = Parent.Rotation;
+            float appliedRotation = Parent!.Rotation;
 
             layerNd.Rotation = -appliedRotation;
             layerSpec.Rotation = -appliedRotation;
         }
 
+        private void onHitObjectApplied(DrawableHitObject? drawableObject = null)
+        {
+            double frameDelay;
+
+            if (drawableObject?.HitObject != null)
+            {
+                DrawableSlider drawableSlider = (DrawableSlider)drawableObject;
+
+                frameDelay = Math.Max(
+                    0.15 / drawableSlider.HitObject.Velocity * LegacySkinExtensions.SIXTY_FRAME_TIME,
+                    LegacySkinExtensions.SIXTY_FRAME_TIME);
+            }
+            else
+                frameDelay = LegacySkinExtensions.SIXTY_FRAME_TIME;
+
+            ballAnimation.ClearFrames();
+            foreach (var texture in ballTextures)
+                ballAnimation.AddFrame(texture, frameDelay);
+        }
+
         private void updateStateTransforms(DrawableHitObject drawableObject, ArmedState _)
         {
             // Gets called by slider ticks, tails, etc., leading to duplicated
@@ -114,7 +147,10 @@ namespace osu.Game.Rulesets.Osu.Skinning.Legacy
             base.Dispose(isDisposing);
 
             if (parentObject != null)
+            {
+                parentObject.HitObjectApplied -= onHitObjectApplied;
                 parentObject.ApplyCustomUpdateState -= updateStateTransforms;
             }
         }
+    }
 }

osu.Game.Rulesets.Osu/Skinning/Legacy/LegacySpinner.cs

@@ -107,7 +107,7 @@ namespace osu.Game.Rulesets.Osu.Skinning.Legacy
             });
         }
 
-        private IBindable<double> gainedBonus = null!;
+        private IBindable<int> completedSpins = null!;
         private IBindable<double> spinsPerMinute = null!;
 
         private readonly Bindable<bool> completed = new Bindable<bool>();
@@ -116,12 +116,24 @@ namespace osu.Game.Rulesets.Osu.Skinning.Legacy
         {
             base.LoadComplete();
 
-            gainedBonus = DrawableSpinner.GainedBonus.GetBoundCopy();
+            completedSpins = DrawableSpinner.CompletedFullSpins.GetBoundCopy();
-            gainedBonus.BindValueChanged(bonus =>
+            completedSpins.BindValueChanged(bonus =>
+            {
+                if (DrawableSpinner.CurrentBonusScore <= 0)
+                    return;
+
+                bonusCounter.Text = DrawableSpinner.CurrentBonusScore.ToString(NumberFormatInfo.InvariantInfo);
+
+                if (DrawableSpinner.CurrentBonusScore == DrawableSpinner.MaximumBonusScore)
+                {
+                    bonusCounter.ScaleTo(1.4f).Then().ScaleTo(1.8f, 1000, Easing.Out);
+                    bonusCounter.FadeOutFromOne(500, Easing.Out);
+                }
+                else
                 {
-                bonusCounter.Text = bonus.NewValue.ToString(NumberFormatInfo.InvariantInfo);
                     bonusCounter.FadeOutFromOne(800, Easing.Out);
                     bonusCounter.ScaleTo(SPRITE_SCALE * 2f).Then().ScaleTo(SPRITE_SCALE * 1.28f, 800, Easing.Out);
+                }
             });
 
             spinsPerMinute = DrawableSpinner.SpinsPerMinute.GetBoundCopy();

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

@@ -59,13 +59,8 @@ namespace osu.Game.Rulesets.Osu.Skinning.Legacy
                         return null;
 
                     case OsuSkinComponents.SliderBall:
-                        var sliderBallContent = this.GetAnimation("sliderb", true, true, animationSeparator: "", maxSize: MAX_FOLLOW_CIRCLE_AREA_SIZE);
+                        if (GetTexture("sliderb") != null || GetTexture("sliderb0") != null)
-
+                            return new LegacySliderBall(this);
-                        // todo: slider ball has a custom frame delay based on velocity
-                        // Math.Max((150 / Velocity) * GameBase.SIXTY_FRAME_TIME, GameBase.SIXTY_FRAME_TIME);
-
-                        if (sliderBallContent != null)
-                            return new LegacySliderBall(sliderBallContent, this);
 
                         return null;
 

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

@@ -13,6 +13,7 @@ using osu.Framework.Utils;
 using osu.Game.Beatmaps;
 using osu.Game.Graphics;
 using osu.Game.Graphics.Sprites;
+using osu.Game.Rulesets.Objects.Legacy;
 using osu.Game.Rulesets.Osu.Objects;
 using osu.Game.Scoring;
 using osuTK;
@@ -208,8 +209,7 @@ namespace osu.Game.Rulesets.Osu.Statistics
             if (score.HitEvents.Count == 0)
                 return;
 
-            // Todo: This should probably not be done like this.
+            float radius = OsuHitObject.OBJECT_RADIUS * LegacyRulesetExtensions.CalculateScaleFromCircleSize(playableBeatmap.Difficulty.CircleSize, true);
-            float radius = OsuHitObject.OBJECT_RADIUS * (1.0f - 0.7f * (playableBeatmap.Difficulty.CircleSize - 5) / 5) / 2;
 
             foreach (var e in score.HitEvents.Where(e => e.HitObject is HitCircle && !(e.HitObject is SliderTailCircle)))
             {

osu.Game.Rulesets.Osu/UI/OsuPlayfieldAdjustmentContainer.cs

@@ -60,12 +60,12 @@ namespace osu.Game.Rulesets.Osu.UI
                 // game_size = DrawSizePreservingFillContainer.TargetSize = new Vector2(1024, 768)
                 //
                 // Parent is a 4:3 aspect enforced, using height as the constricting dimension
-                // Parent.ChildSize.X = min(game_size.X, game_size.Y * (4 / 3)) * playfield_size_adjust
+                // Parent!.ChildSize.X = min(game_size.X, game_size.Y * (4 / 3)) * playfield_size_adjust
-                // Parent.ChildSize.X = 819.2
+                // Parent!.ChildSize.X = 819.2
                 //
                 // Scale = 819.2 / 512
                 // Scale = 1.6
-                Scale = new Vector2(Parent.ChildSize.X / OsuPlayfield.BASE_SIZE.X);
+                Scale = new Vector2(Parent!.ChildSize.X / OsuPlayfield.BASE_SIZE.X);
                 Position = new Vector2(0, (PlayfieldShift ? 8f : 0f) * Scale.X);
                 // Size = 0.625
                 Size = Vector2.Divide(Vector2.One, Scale);

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

@@ -30,8 +30,8 @@ namespace osu.Game.Rulesets.Taiko.Edit.Blueprints
             var topLeft = new Vector2(float.MaxValue, float.MaxValue);
             var bottomRight = new Vector2(float.MinValue, float.MinValue);
 
-            topLeft = Vector2.ComponentMin(topLeft, Parent.ToLocalSpace(DrawableObject.ScreenSpaceDrawQuad.TopLeft));
+            topLeft = Vector2.ComponentMin(topLeft, Parent!.ToLocalSpace(DrawableObject.ScreenSpaceDrawQuad.TopLeft));
-            bottomRight = Vector2.ComponentMax(bottomRight, Parent.ToLocalSpace(DrawableObject.ScreenSpaceDrawQuad.BottomRight));
+            bottomRight = Vector2.ComponentMax(bottomRight, Parent!.ToLocalSpace(DrawableObject.ScreenSpaceDrawQuad.BottomRight));
 
             Size = bottomRight - topLeft;
             Position = topLeft;

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

@@ -0,0 +1,19 @@
+// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
+// See the LICENCE file in the repository root for full licence text.
+
+using System.Collections.Generic;
+using osu.Framework.Graphics.Containers;
+using osu.Game.Rulesets.Edit;
+using osu.Game.Rulesets.Taiko.UI;
+using osu.Game.Screens.Edit.Compose.Components;
+
+namespace osu.Game.Rulesets.Taiko.Edit
+{
+    public partial class TaikoBeatSnapGrid : BeatSnapGrid
+    {
+        protected override IEnumerable<Container> GetTargetContainers(HitObjectComposer composer) => new[]
+        {
+            ((TaikoPlayfield)composer.Playfield).UnderlayElements
+        };
+    }
+}

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

@@ -33,5 +33,7 @@ namespace osu.Game.Rulesets.Taiko.Edit
 
         protected override ComposeBlueprintContainer CreateBlueprintContainer()
             => new TaikoBlueprintContainer(this);
+
+        protected override BeatSnapGrid CreateBeatSnapGrid() => new TaikoBeatSnapGrid();
     }
 }

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

@@ -261,7 +261,7 @@ namespace osu.Game.Rulesets.Taiko.Objects.Drawables
         {
             base.Update();
 
-            Size = BaseSize * Parent.RelativeChildSize;
+            Size = BaseSize * Parent!.RelativeChildSize;
 
             // Make the swell stop at the hit target
             X = Math.Max(0, X);

osu.Game.Rulesets.Taiko/Skinning/Argon/ArgonBarLine.cs

@@ -4,6 +4,7 @@
 using osu.Framework.Allocation;
 using osu.Framework.Bindables;
 using osu.Framework.Graphics;
+using osu.Framework.Graphics.Colour;
 using osu.Framework.Graphics.Containers;
 using osu.Framework.Graphics.Shapes;
 using osu.Game.Rulesets.Objects.Drawables;
@@ -14,53 +15,54 @@ namespace osu.Game.Rulesets.Taiko.Skinning.Argon
 {
     public partial class ArgonBarLine : CompositeDrawable
     {
-        private Container majorEdgeContainer = null!;
-
         private Bindable<bool> major = null!;
 
+        private Box mainLine = null!;
+        private Drawable topAnchor = null!;
+        private Drawable bottomAnchor = null!;
+
         [BackgroundDependencyLoader]
         private void load(DrawableHitObject drawableHitObject)
         {
             RelativeSizeAxes = Axes.Both;
 
-            const float line_offset = 8;
+            // Avoid flickering due to no anti-aliasing of boxes by default.
-            var majorPieceSize = new Vector2(6, 20);
+            var edgeSmoothness = new Vector2(0.3f);
 
-            InternalChildren = new Drawable[]
+            AddInternal(mainLine = new Box
-            {
-                line = new Box
-                {
-                    RelativeSizeAxes = Axes.Both,
-                    EdgeSmoothness = new Vector2(0.5f, 0),
-                    Anchor = Anchor.Centre,
-                    Origin = Anchor.Centre,
-                },
-                majorEdgeContainer = new Container
             {
+                Name = "Bar line",
+                EdgeSmoothness = edgeSmoothness,
                 Anchor = Anchor.Centre,
                 Origin = Anchor.Centre,
                 RelativeSizeAxes = Axes.Both,
-                    Children = new[]
+            });
+
+            const float major_extension = 10;
+
+            AddInternal(topAnchor = new Box
             {
-                        new Circle
+                Name = "Top anchor",
-                        {
+                EdgeSmoothness = edgeSmoothness,
-                            Name = "Top line",
+                Blending = BlendingParameters.Additive,
                 Anchor = Anchor.TopCentre,
                 Origin = Anchor.BottomCentre,
-                            Size = majorPieceSize,
+                Height = major_extension,
-                            Y = -line_offset,
+                RelativeSizeAxes = Axes.X,
-                        },
+                Colour = ColourInfo.GradientVertical(Colour4.Transparent, Colour4.White),
-                        new Circle
+            });
+
+            AddInternal(bottomAnchor = new Box
             {
-                            Name = "Bottom line",
+                Name = "Bottom anchor",
+                EdgeSmoothness = edgeSmoothness,
+                Blending = BlendingParameters.Additive,
                 Anchor = Anchor.BottomCentre,
                 Origin = Anchor.TopCentre,
-                            Size = majorPieceSize,
+                Height = major_extension,
-                            Y = line_offset,
+                RelativeSizeAxes = Axes.X,
-                        },
+                Colour = ColourInfo.GradientVertical(Colour4.White, Colour4.Transparent),
-                    }
+            });
-                }
-            };
 
             major = ((DrawableBarLine)drawableHitObject).Major.GetBoundCopy();
         }
@@ -71,13 +73,10 @@ namespace osu.Game.Rulesets.Taiko.Skinning.Argon
             major.BindValueChanged(updateMajor, true);
         }
 
-        private Box line = null!;
-
         private void updateMajor(ValueChangedEvent<bool> major)
         {
-            line.Alpha = major.NewValue ? 1f : 0.5f;
+            mainLine.Alpha = major.NewValue ? 1f : 0.5f;
-            line.Width = major.NewValue ? 1 : 0.5f;
+            topAnchor.Alpha = bottomAnchor.Alpha = major.NewValue ? mainLine.Alpha * 0.3f : 0;
-            majorEdgeContainer.Alpha = major.NewValue ? 1 : 0;
         }
     }
 }

osu.Game.Rulesets.Taiko/Skinning/Argon/ArgonElongatedCirclePiece.cs

@@ -27,7 +27,7 @@ namespace osu.Game.Rulesets.Taiko.Skinning.Argon
         protected override void Update()
         {
             base.Update();
-            Width = Parent.DrawSize.X + DrawHeight;
+            Width = Parent!.DrawSize.X + DrawHeight;
         }
     }
 }

osu.Game.Rulesets.Taiko/Skinning/Default/ElongatedCirclePiece.cs

@@ -23,7 +23,7 @@ namespace osu.Game.Rulesets.Taiko.Skinning.Default
         protected override void Update()
         {
             base.Update();
-            Width = Parent.DrawSize.X + DrawHeight;
+            Width = Parent!.DrawSize.X + DrawHeight;
         }
     }
 }

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

@@ -40,6 +40,8 @@ namespace osu.Game.Rulesets.Taiko.UI
         /// </summary>
         public Bindable<bool> ClassicHitTargetPosition = new BindableBool();
 
+        public Container UnderlayElements { get; private set; } = null!;
+
         private Container<HitExplosion> hitExplosionContainer;
         private Container<KiaiHitExplosion> kiaiExplosionContainer;
         private JudgementContainer<DrawableTaikoJudgement> judgementContainer;
@@ -130,7 +132,14 @@ namespace osu.Game.Rulesets.Taiko.UI
                         {
                             Name = "Bar line content",
                             RelativeSizeAxes = Axes.Both,
-                            Child = barLinePlayfield = new BarLinePlayfield(),
+                            Children = new Drawable[]
+                            {
+                                UnderlayElements = new Container
+                                {
+                                    RelativeSizeAxes = Axes.Both,
+                                },
+                                barLinePlayfield = new BarLinePlayfield(),
+                            }
                         },
                         hitObjectContent = new Container
                         {

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

@@ -30,7 +30,7 @@ namespace osu.Game.Rulesets.Taiko.UI
             // This is still a bit weird, because readability changes with window size, but it is what it is.
             if (LockPlayfieldAspectRange.Value)
             {
-                float currentAspect = Parent.ChildSize.X / Parent.ChildSize.Y;
+                float currentAspect = Parent!.ChildSize.X / Parent!.ChildSize.Y;
 
                 if (currentAspect > MAXIMUM_ASPECT)
                     height *= currentAspect / MAXIMUM_ASPECT;

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

@@ -1080,5 +1080,18 @@ namespace osu.Game.Tests.Beatmaps.Formats
                 Assert.That(controlPoints.DifficultyPointAt(3000).GenerateTicks, Is.True);
             }
         }
+
+        [Test]
+        public void TestSamplePointLeniency()
+        {
+            var decoder = new LegacyBeatmapDecoder { ApplyOffsets = false };
+
+            using (var resStream = TestResources.OpenResource("sample-point-leniency.osu"))
+            using (var stream = new LineBufferedReader(resStream))
+            {
+                var hitObject = decoder.Decode(stream).HitObjects.Single();
+                Assert.That(hitObject.Samples.Select(s => s.Volume), Has.All.EqualTo(70));
+            }
+        }
     }
 }

osu.Game.Tests/Beatmaps/SliderEventGenerationTest.cs

@@ -87,8 +87,8 @@ namespace osu.Game.Tests.Beatmaps
         {
             var events = SliderEventGenerator.Generate(start_time, span_duration, 1, span_duration / 2, span_duration, 1).ToArray();
 
-            Assert.That(events[2].Type, Is.EqualTo(SliderEventType.LastTick));
+            Assert.That(events[2].Type, Is.EqualTo(SliderEventType.LegacyLastTick));
-            Assert.That(events[2].Time, Is.EqualTo(span_duration + SliderEventGenerator.LAST_TICK_OFFSET));
+            Assert.That(events[2].Time, Is.EqualTo(span_duration + SliderEventGenerator.TAIL_LENIENCY));
         }
 
         [Test]