Merge branch 'master' into multiplayer-free-style

osu.Android.props

@@ -10,7 +10,7 @@
     <EmbedAssembliesIntoApk>true</EmbedAssembliesIntoApk>
   </PropertyGroup>
   <ItemGroup>
-    <PackageReference Include="ppy.osu.Framework.Android" Version="2025.115.0" />
+    <PackageReference Include="ppy.osu.Framework.Android" Version="2025.129.1" />
   </ItemGroup>
   <PropertyGroup>
     <!-- Fody does not handle Android build well, and warns when unchanged.

osu.Android/GameplayScreenRotationLocker.cs

@@ -1,34 +0,0 @@
-// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
-// See the LICENCE file in the repository root for full licence text.
-
-using Android.Content.PM;
-using osu.Framework.Allocation;
-using osu.Framework.Bindables;
-using osu.Framework.Graphics;
-using osu.Game.Screens.Play;
-
-namespace osu.Android
-{
-    public partial class GameplayScreenRotationLocker : Component
-    {
-        private IBindable<LocalUserPlayingState> localUserPlaying = null!;
-
-        [Resolved]
-        private OsuGameActivity gameActivity { get; set; } = null!;
-
-        [BackgroundDependencyLoader]
-        private void load(ILocalUserPlayInfo localUserPlayInfo)
-        {
-            localUserPlaying = localUserPlayInfo.PlayingState.GetBoundCopy();
-            localUserPlaying.BindValueChanged(updateLock, true);
-        }
-
-        private void updateLock(ValueChangedEvent<LocalUserPlayingState> userPlaying)
-        {
-            gameActivity.RunOnUiThread(() =>
-            {
-                gameActivity.RequestedOrientation = userPlaying.NewValue == LocalUserPlayingState.Playing ? ScreenOrientation.Locked : gameActivity.DefaultOrientation;
-            });
-        }
-    }
-}

osu.Android/OsuGameActivity.cs

@@ -49,6 +49,8 @@ namespace osu.Android
         /// <remarks>Adjusted on startup to match expected UX for the current device type (phone/tablet).</remarks>
         public ScreenOrientation DefaultOrientation = ScreenOrientation.Unspecified;
 
+        public new bool IsTablet { get; private set; }
+
         private readonly OsuGameAndroid game;
 
         private bool gameCreated;
@@ -89,9 +91,9 @@ namespace osu.Android
             WindowManager.DefaultDisplay.GetSize(displaySize);
 #pragma warning restore CA1422
             float smallestWidthDp = Math.Min(displaySize.X, displaySize.Y) / Resources.DisplayMetrics.Density;
-            bool isTablet = smallestWidthDp >= 600f;
+            IsTablet = smallestWidthDp >= 600f;
 
-            RequestedOrientation = DefaultOrientation = isTablet ? ScreenOrientation.FullUser : ScreenOrientation.SensorLandscape;
+            RequestedOrientation = DefaultOrientation = IsTablet ? ScreenOrientation.FullUser : ScreenOrientation.SensorLandscape;
 
             // Currently (SDK 6.0.200), BundleAssemblies is not runnable for net6-android.
             // The assembly files are not available as files either after native AOT.

osu.Android/OsuGameAndroid.cs

@@ -3,11 +3,13 @@
 
 using System;
 using Android.App;
+using Android.Content.PM;
 using Microsoft.Maui.Devices;
 using osu.Framework.Allocation;
 using osu.Framework.Extensions.ObjectExtensions;
 using osu.Framework.Platform;
 using osu.Game;
+using osu.Game.Screens;
 using osu.Game.Updater;
 using osu.Game.Utils;
 
@@ -71,7 +73,35 @@ namespace osu.Android
         protected override void LoadComplete()
         {
             base.LoadComplete();
-            LoadComponentAsync(new GameplayScreenRotationLocker(), Add);
+            UserPlayingState.BindValueChanged(_ => updateOrientation());
+        }
+
+        protected override void ScreenChanged(IOsuScreen? current, IOsuScreen? newScreen)
+        {
+            base.ScreenChanged(current, newScreen);
+
+            if (newScreen != null)
+                updateOrientation();
+        }
+
+        private void updateOrientation()
+        {
+            var orientation = MobileUtils.GetOrientation(this, (IOsuScreen)ScreenStack.CurrentScreen, gameActivity.IsTablet);
+
+            switch (orientation)
+            {
+                case MobileUtils.Orientation.Locked:
+                    gameActivity.RequestedOrientation = ScreenOrientation.Locked;
+                    break;
+
+                case MobileUtils.Orientation.Portrait:
+                    gameActivity.RequestedOrientation = ScreenOrientation.Portrait;
+                    break;
+
+                case MobileUtils.Orientation.Default:
+                    gameActivity.RequestedOrientation = gameActivity.DefaultOrientation;
+                    break;
+            }
         }
 
         public override void SetHost(GameHost host)

osu.Game.Rulesets.Catch.Tests/Editor/CatchPlacementBlueprintTestScene.cs

@@ -12,7 +12,6 @@ using osu.Framework.Testing;
 using osu.Framework.Timing;
 using osu.Game.Rulesets.Catch.Edit.Blueprints.Components;
 using osu.Game.Rulesets.Catch.Objects.Drawables;
-using osu.Game.Rulesets.Edit;
 using osu.Game.Rulesets.Objects.Drawables;
 using osu.Game.Rulesets.UI.Scrolling;
 using osu.Game.Tests.Visual;
@@ -71,11 +70,11 @@ namespace osu.Game.Rulesets.Catch.Tests.Editor
             contentContainer.Playfield.HitObjectContainer.Add(hitObject);
         }
 
-        protected override SnapResult SnapForBlueprint(HitObjectPlacementBlueprint blueprint)
+        protected override void UpdatePlacementTimeAndPosition()
         {
-            var result = base.SnapForBlueprint(blueprint);
+            var position = InputManager.CurrentState.Mouse.Position;
-            result.Time = Math.Round(HitObjectContainer.TimeAtScreenSpacePosition(result.ScreenSpacePosition) / TIME_SNAP) * TIME_SNAP;
+            double time = Math.Round(HitObjectContainer.TimeAtScreenSpacePosition(position) / TIME_SNAP) * TIME_SNAP;
-            return result;
+            CurrentBlueprint.UpdateTimeAndPosition(position, time);
         }
     }
 }

osu.Game.Rulesets.Catch/CatchRuleset.cs

@@ -14,6 +14,7 @@ using osu.Game.Graphics;
 using osu.Game.Rulesets.Catch.Beatmaps;
 using osu.Game.Rulesets.Catch.Difficulty;
 using osu.Game.Rulesets.Catch.Edit;
+using osu.Game.Rulesets.Catch.Edit.Setup;
 using osu.Game.Rulesets.Catch.Mods;
 using osu.Game.Rulesets.Catch.Objects;
 using osu.Game.Rulesets.Catch.Replays;
@@ -228,7 +229,7 @@ namespace osu.Game.Rulesets.Catch
         public override IEnumerable<Drawable> CreateEditorSetupSections() =>
         [
             new MetadataSection(),
-            new DifficultySection(),
+            new CatchDifficultySection(),
             new FillFlowContainer
             {
                 AutoSizeAxes = Axes.Y,

osu.Game.Rulesets.Catch/Edit/Blueprints/BananaShowerPlacementBlueprint.cs

@@ -7,6 +7,7 @@ using osu.Framework.Utils;
 using osu.Game.Rulesets.Catch.Edit.Blueprints.Components;
 using osu.Game.Rulesets.Catch.Objects;
 using osu.Game.Rulesets.Edit;
+using osuTK;
 using osuTK.Input;
 
 namespace osu.Game.Rulesets.Catch.Edit.Blueprints
@@ -59,11 +60,13 @@ namespace osu.Game.Rulesets.Catch.Edit.Blueprints
             return base.OnMouseDown(e);
         }
 
-        public override void UpdateTimeAndPosition(SnapResult result)
+        public override SnapResult UpdateTimeAndPosition(Vector2 screenSpacePosition, double fallbackTime)
         {
-            base.UpdateTimeAndPosition(result);
+            var result = Composer?.FindSnappedPositionAndTime(screenSpacePosition) ?? new SnapResult(screenSpacePosition, fallbackTime);
 
-            if (!(result.Time is double time)) return;
+            base.UpdateTimeAndPosition(result.ScreenSpacePosition, result.Time ?? fallbackTime);
+
+            if (!(result.Time is double time)) return result;
 
             switch (PlacementActive)
             {
@@ -78,6 +81,7 @@ namespace osu.Game.Rulesets.Catch.Edit.Blueprints
 
             HitObject.StartTime = Math.Min(placementStartTime, placementEndTime);
             HitObject.EndTime = Math.Max(placementStartTime, placementEndTime);
+            return result;
         }
     }
 }

osu.Game.Rulesets.Catch/Edit/Blueprints/CatchPlacementBlueprint.cs

@@ -9,7 +9,7 @@ using osu.Game.Rulesets.UI.Scrolling;
 
 namespace osu.Game.Rulesets.Catch.Edit.Blueprints
 {
-    public partial class CatchPlacementBlueprint<THitObject> : HitObjectPlacementBlueprint
+    public abstract partial class CatchPlacementBlueprint<THitObject> : HitObjectPlacementBlueprint
         where THitObject : CatchHitObject, new()
     {
         protected new THitObject HitObject => (THitObject)base.HitObject;
@@ -19,7 +19,10 @@ namespace osu.Game.Rulesets.Catch.Edit.Blueprints
         [Resolved]
         private Playfield playfield { get; set; } = null!;
 
-        public CatchPlacementBlueprint()
+        [Resolved]
+        protected CatchHitObjectComposer? Composer { get; private set; }
+
+        protected CatchPlacementBlueprint()
             : base(new THitObject())
         {
         }

osu.Game.Rulesets.Catch/Edit/Blueprints/FruitPlacementBlueprint.cs

@@ -5,6 +5,7 @@ using osu.Framework.Input.Events;
 using osu.Game.Rulesets.Catch.Edit.Blueprints.Components;
 using osu.Game.Rulesets.Catch.Objects;
 using osu.Game.Rulesets.Edit;
+using osuTK;
 using osuTK.Input;
 
 namespace osu.Game.Rulesets.Catch.Edit.Blueprints
@@ -41,11 +42,20 @@ namespace osu.Game.Rulesets.Catch.Edit.Blueprints
             return true;
         }
 
-        public override void UpdateTimeAndPosition(SnapResult result)
+        public override SnapResult UpdateTimeAndPosition(Vector2 screenSpacePosition, double fallbackTime)
         {
-            base.UpdateTimeAndPosition(result);
+            var gridSnapResult = Composer?.FindSnappedPositionAndTime(screenSpacePosition) ?? new SnapResult(screenSpacePosition, fallbackTime);
+            gridSnapResult.ScreenSpacePosition.X = screenSpacePosition.X;
+            var distanceSnapResult = Composer?.TryDistanceSnap(gridSnapResult.ScreenSpacePosition);
+
+            var result = distanceSnapResult != null && Vector2.Distance(gridSnapResult.ScreenSpacePosition, distanceSnapResult.ScreenSpacePosition) < CatchHitObjectComposer.DISTANCE_SNAP_RADIUS
+                ? distanceSnapResult
+                : gridSnapResult;
+
+            base.UpdateTimeAndPosition(result.ScreenSpacePosition, result.Time ?? fallbackTime);
 
             HitObject.X = ToLocalSpace(result.ScreenSpacePosition).X;
+            return result;
         }
     }
 }

osu.Game.Rulesets.Catch/Edit/Blueprints/JuiceStreamPlacementBlueprint.cs

@@ -83,8 +83,16 @@ namespace osu.Game.Rulesets.Catch.Edit.Blueprints
             return base.OnMouseDown(e);
         }
 
-        public override void UpdateTimeAndPosition(SnapResult result)
+        public override SnapResult UpdateTimeAndPosition(Vector2 screenSpacePosition, double fallbackTime)
         {
+            var gridSnapResult = Composer?.FindSnappedPositionAndTime(screenSpacePosition) ?? new SnapResult(screenSpacePosition, fallbackTime);
+            gridSnapResult.ScreenSpacePosition.X = screenSpacePosition.X;
+            var distanceSnapResult = Composer?.TryDistanceSnap(gridSnapResult.ScreenSpacePosition);
+
+            var result = distanceSnapResult != null && Vector2.Distance(gridSnapResult.ScreenSpacePosition, distanceSnapResult.ScreenSpacePosition) < CatchHitObjectComposer.DISTANCE_SNAP_RADIUS
+                ? distanceSnapResult
+                : gridSnapResult;
+
             switch (PlacementActive)
             {
                 case PlacementState.Waiting:
@@ -99,7 +107,7 @@ namespace osu.Game.Rulesets.Catch.Edit.Blueprints
                     break;
 
                 default:
-                    return;
+                    return result;
             }
 
             // Make sure the up-to-date position is used for outlines.
@@ -113,6 +121,7 @@ namespace osu.Game.Rulesets.Catch.Edit.Blueprints
             ApplyDefaultsToHitObject();
             scrollingPath.UpdatePathFrom(HitObjectContainer, HitObject);
             nestedOutlineContainer.UpdateNestedObjectsFrom(HitObjectContainer, HitObject);
+            return result;
         }
 
         private double positionToTime(float relativeYPosition)

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

@@ -1,16 +1,22 @@
 // Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
 // See the LICENCE file in the repository root for full licence text.
 
+using System.Collections.Generic;
+using System.Linq;
+using osu.Framework.Input.Events;
 using osu.Game.Rulesets.Catch.Edit.Blueprints;
 using osu.Game.Rulesets.Catch.Objects;
 using osu.Game.Rulesets.Edit;
 using osu.Game.Rulesets.Objects;
 using osu.Game.Screens.Edit.Compose.Components;
+using osuTK;
 
 namespace osu.Game.Rulesets.Catch.Edit
 {
     public partial class CatchBlueprintContainer : ComposeBlueprintContainer
     {
+        public new CatchHitObjectComposer Composer => (CatchHitObjectComposer)base.Composer;
+
         public CatchBlueprintContainer(CatchHitObjectComposer composer)
             : base(composer)
         {
@@ -36,5 +42,28 @@ namespace osu.Game.Rulesets.Catch.Edit
         }
 
         protected sealed override DragBox CreateDragBox() => new ScrollingDragBox(Composer.Playfield);
+
+        protected override bool TryMoveBlueprints(DragEvent e, IList<(SelectionBlueprint<HitObject> blueprint, Vector2[] originalSnapPositions)> blueprints)
+        {
+            Vector2 distanceTravelled = e.ScreenSpaceMousePosition - e.ScreenSpaceMouseDownPosition;
+
+            // The final movement position, relative to movementBlueprintOriginalPosition.
+            Vector2 movePosition = blueprints.First().originalSnapPositions.First() + distanceTravelled;
+
+            // Retrieve a snapped position.
+            var gridSnapResult = Composer.FindSnappedPositionAndTime(movePosition);
+            gridSnapResult.ScreenSpacePosition.X = movePosition.X;
+            var distanceSnapResult = Composer.TryDistanceSnap(gridSnapResult.ScreenSpacePosition);
+
+            var result = distanceSnapResult != null && Vector2.Distance(gridSnapResult.ScreenSpacePosition, distanceSnapResult.ScreenSpacePosition) < CatchHitObjectComposer.DISTANCE_SNAP_RADIUS
+                ? distanceSnapResult
+                : gridSnapResult;
+
+            var referenceBlueprint = blueprints.First().blueprint;
+            bool moved = SelectionHandler.HandleMovement(new MoveSelectionEvent<HitObject>(referenceBlueprint, result.ScreenSpacePosition - referenceBlueprint.ScreenSpaceSelectionPoint));
+            if (moved)
+                ApplySnapResultTime(result, referenceBlueprint.Item.StartTime);
+            return moved;
+        }
     }
 }

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

@@ -23,9 +23,10 @@ using osuTK;
 
 namespace osu.Game.Rulesets.Catch.Edit
 {
+    [Cached]
     public partial class CatchHitObjectComposer : ScrollingHitObjectComposer<CatchHitObject>, IKeyBindingHandler<GlobalAction>
     {
-        private const float distance_snap_radius = 50;
+        public const float DISTANCE_SNAP_RADIUS = 50;
 
         private CatchDistanceSnapGrid distanceSnapGrid = null!;
 
@@ -135,22 +136,12 @@ namespace osu.Game.Rulesets.Catch.Edit
             DistanceSnapProvider.HandleToggleViaKey(key);
         }
 
-        public override SnapResult FindSnappedPositionAndTime(Vector2 screenSpacePosition, SnapType snapType = SnapType.All)
+        public SnapResult? TryDistanceSnap(Vector2 screenSpacePosition)
         {
-            var result = base.FindSnappedPositionAndTime(screenSpacePosition, snapType);
+            if (distanceSnapGrid.IsPresent && distanceSnapGrid.GetSnappedPosition(screenSpacePosition) is SnapResult snapResult)
+                return snapResult;
 
-            result.ScreenSpacePosition.X = screenSpacePosition.X;
+            return null;
-
-            if (snapType.HasFlag(SnapType.RelativeGrids))
-            {
-                if (distanceSnapGrid.IsPresent && distanceSnapGrid.GetSnappedPosition(result.ScreenSpacePosition) is SnapResult snapResult &&
-                    Vector2.Distance(snapResult.ScreenSpacePosition, result.ScreenSpacePosition) < distance_snap_radius)
-                {
-                    result = snapResult;
-                }
-            }
-
-            return result;
         }
 
         private PalpableCatchHitObject? getLastSnappableHitObject(double time)

osu.Game.Rulesets.Catch/Edit/Setup/CatchDifficultySection.cs

@@ -0,0 +1,125 @@
+// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
+// See the LICENCE file in the repository root for full licence text.
+
+using System.Linq;
+using osu.Framework.Allocation;
+using osu.Framework.Bindables;
+using osu.Framework.Graphics;
+using osu.Framework.Localisation;
+using osu.Game.Beatmaps;
+using osu.Game.Graphics.UserInterfaceV2;
+using osu.Game.Localisation;
+using osu.Game.Resources.Localisation.Web;
+using osu.Game.Screens.Edit.Setup;
+
+namespace osu.Game.Rulesets.Catch.Edit.Setup
+{
+    public partial class CatchDifficultySection : SetupSection
+    {
+        private FormSliderBar<float> circleSizeSlider { get; set; } = null!;
+        private FormSliderBar<float> healthDrainSlider { get; set; } = null!;
+        private FormSliderBar<float> approachRateSlider { get; set; } = null!;
+        private FormSliderBar<double> baseVelocitySlider { get; set; } = null!;
+        private FormSliderBar<double> tickRateSlider { get; set; } = null!;
+
+        public override LocalisableString Title => EditorSetupStrings.DifficultyHeader;
+
+        [BackgroundDependencyLoader]
+        private void load()
+        {
+            Children = new Drawable[]
+            {
+                circleSizeSlider = new FormSliderBar<float>
+                {
+                    Caption = BeatmapsetsStrings.ShowStatsCs,
+                    HintText = EditorSetupStrings.CircleSizeDescription,
+                    Current = new BindableFloat(Beatmap.Difficulty.CircleSize)
+                    {
+                        Default = BeatmapDifficulty.DEFAULT_DIFFICULTY,
+                        MinValue = 0,
+                        MaxValue = 10,
+                        Precision = 0.1f,
+                    },
+                    TransferValueOnCommit = true,
+                    TabbableContentContainer = this,
+                },
+                healthDrainSlider = new FormSliderBar<float>
+                {
+                    Caption = BeatmapsetsStrings.ShowStatsDrain,
+                    HintText = EditorSetupStrings.DrainRateDescription,
+                    Current = new BindableFloat(Beatmap.Difficulty.DrainRate)
+                    {
+                        Default = BeatmapDifficulty.DEFAULT_DIFFICULTY,
+                        MinValue = 0,
+                        MaxValue = 10,
+                        Precision = 0.1f,
+                    },
+                    TransferValueOnCommit = true,
+                    TabbableContentContainer = this,
+                },
+                approachRateSlider = new FormSliderBar<float>
+                {
+                    Caption = BeatmapsetsStrings.ShowStatsAr,
+                    HintText = EditorSetupStrings.ApproachRateDescription,
+                    Current = new BindableFloat(Beatmap.Difficulty.ApproachRate)
+                    {
+                        Default = BeatmapDifficulty.DEFAULT_DIFFICULTY,
+                        MinValue = 0,
+                        MaxValue = 10,
+                        Precision = 0.1f,
+                    },
+                    TransferValueOnCommit = true,
+                    TabbableContentContainer = this,
+                },
+                baseVelocitySlider = new FormSliderBar<double>
+                {
+                    Caption = EditorSetupStrings.BaseVelocity,
+                    HintText = EditorSetupStrings.BaseVelocityDescription,
+                    Current = new BindableDouble(Beatmap.Difficulty.SliderMultiplier)
+                    {
+                        Default = 1.4,
+                        MinValue = 0.4,
+                        MaxValue = 3.6,
+                        Precision = 0.01f,
+                    },
+                    TransferValueOnCommit = true,
+                    TabbableContentContainer = this,
+                },
+                tickRateSlider = new FormSliderBar<double>
+                {
+                    Caption = EditorSetupStrings.TickRate,
+                    HintText = EditorSetupStrings.TickRateDescription,
+                    Current = new BindableDouble(Beatmap.Difficulty.SliderTickRate)
+                    {
+                        Default = 1,
+                        MinValue = 1,
+                        MaxValue = 4,
+                        Precision = 1,
+                    },
+                    TransferValueOnCommit = true,
+                    TabbableContentContainer = this,
+                },
+            };
+
+            foreach (var item in Children.OfType<FormSliderBar<float>>())
+                item.Current.ValueChanged += _ => updateValues();
+
+            foreach (var item in Children.OfType<FormSliderBar<double>>())
+                item.Current.ValueChanged += _ => updateValues();
+        }
+
+        private void updateValues()
+        {
+            // for now, update these on commit rather than making BeatmapMetadata bindables.
+            // after switching database engines we can reconsider if switching to bindables is a good direction.
+            Beatmap.Difficulty.CircleSize = circleSizeSlider.Current.Value;
+            Beatmap.Difficulty.DrainRate = healthDrainSlider.Current.Value;
+            Beatmap.Difficulty.ApproachRate = approachRateSlider.Current.Value;
+            Beatmap.Difficulty.SliderMultiplier = baseVelocitySlider.Current.Value;
+            Beatmap.Difficulty.SliderTickRate = tickRateSlider.Current.Value;
+
+            Beatmap.UpdateAllHitObjects();
+            Beatmap.SaveState();
+        }
+    }
+}

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

@@ -9,7 +9,6 @@ using osu.Framework.Allocation;
 using osu.Framework.Graphics;
 using osu.Framework.Graphics.Containers;
 using osu.Framework.Timing;
-using osu.Game.Rulesets.Edit;
 using osu.Game.Rulesets.Mania.Beatmaps;
 using osu.Game.Rulesets.Mania.Objects.Drawables;
 using osu.Game.Rulesets.Mania.UI;
@@ -47,12 +46,11 @@ namespace osu.Game.Rulesets.Mania.Tests.Editor
             });
         }
 
-        protected override SnapResult SnapForBlueprint(HitObjectPlacementBlueprint blueprint)
+        protected override void UpdatePlacementTimeAndPosition()
         {
             double time = column.TimeAtScreenSpacePosition(InputManager.CurrentState.Mouse.Position);
             var pos = column.ScreenSpacePositionAtTime(time);
-
+            CurrentBlueprint.UpdateTimeAndPosition(pos, time);
-            return new SnapResult(pos, time, column);
         }
 
         protected override Container CreateHitObjectContainer() => new ScrollingTestContainer(ScrollingDirection.Down) { RelativeSizeAxes = Axes.Both };

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

@@ -20,7 +20,6 @@ using osu.Game.Rulesets.UI.Scrolling;
 using osu.Game.Screens.Edit;
 using osu.Game.Screens.Edit.Compose.Components;
 using osu.Game.Tests.Visual;
-using osuTK;
 
 namespace osu.Game.Rulesets.Mania.Tests.Editor
 {
@@ -100,10 +99,5 @@ namespace osu.Game.Rulesets.Mania.Tests.Editor
         {
             set => InternalChild = value;
         }
-
-        public override SnapResult FindSnappedPositionAndTime(Vector2 screenSpacePosition, SnapType snapType = SnapType.All)
-        {
-            throw new NotImplementedException();
-        }
     }
 }

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

@@ -26,7 +26,7 @@ namespace osu.Game.Rulesets.Mania.Tests.Mods
         {
             CreateModTest(new ModTestData
             {
-                Mod = new ManiaModHidden(),
+                Mod = new ManiaModFadeIn(),
                 PassCondition = () => checkCoverage(ManiaModHidden.MIN_COVERAGE)
             });
         }
@@ -36,7 +36,7 @@ namespace osu.Game.Rulesets.Mania.Tests.Mods
         {
             CreateModTest(new ModTestData
             {
-                Mod = new ManiaModHidden(),
+                Mod = new ManiaModFadeIn(),
                 PassCondition = () => checkCoverage(ManiaModHidden.MIN_COVERAGE)
             });
 
@@ -48,7 +48,7 @@ namespace osu.Game.Rulesets.Mania.Tests.Mods
         {
             CreateModTest(new ModTestData
             {
-                Mod = new ManiaModHidden(),
+                Mod = new ManiaModFadeIn(),
                 PassCondition = () => checkCoverage(ManiaModHidden.MAX_COVERAGE)
             });
 
@@ -60,7 +60,7 @@ namespace osu.Game.Rulesets.Mania.Tests.Mods
         {
             CreateModTest(new ModTestData
             {
-                Mod = new ManiaModHidden(),
+                Mod = new ManiaModFadeIn(),
                 PassCondition = () => checkCoverage(ManiaModHidden.MAX_COVERAGE)
             });
 
@@ -73,7 +73,7 @@ namespace osu.Game.Rulesets.Mania.Tests.Mods
         {
             CreateModTest(new ModTestData
             {
-                Mod = new ManiaModHidden(),
+                Mod = new ManiaModFadeIn(),
                 CreateBeatmap = () => new Beatmap
                 {
                     HitObjects = Enumerable.Range(1, 100).Select(i => (HitObject)new Note { StartTime = 1000 + 200 * i }).ToList(),

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

@@ -28,18 +28,20 @@ namespace osu.Game.Rulesets.Mania.Tests.Skinning
                     {
                         RelativeSizeAxes = Axes.Both,
                         Width = 0.5f,
-                        Child = new ColumnHitObjectArea(new HitObjectContainer())
+                        Child = new ColumnHitObjectArea
                         {
-                            RelativeSizeAxes = Axes.Both
+                            RelativeSizeAxes = Axes.Both,
+                            Child = new HitObjectContainer(),
                         }
                     },
                     new ColumnTestContainer(1, ManiaAction.Key2)
                     {
                         RelativeSizeAxes = Axes.Both,
                         Width = 0.5f,
-                        Child = new ColumnHitObjectArea(new HitObjectContainer())
+                        Child = new ColumnHitObjectArea
                         {
-                            RelativeSizeAxes = Axes.Both
+                            RelativeSizeAxes = Axes.Both,
+                            Child = new HitObjectContainer(),
                         }
                     }
                 }

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

@@ -0,0 +1,68 @@
+// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
+// See the LICENCE file in the repository root for full licence text.
+
+using System.Linq;
+using NUnit.Framework;
+using osu.Framework.Input;
+using osu.Framework.Testing;
+using osu.Game.Rulesets.Mania.UI;
+using osu.Game.Tests.Visual;
+
+namespace osu.Game.Rulesets.Mania.Tests
+{
+    public partial class TestSceneManiaTouchInput : PlayerTestScene
+    {
+        protected override Ruleset CreatePlayerRuleset() => new ManiaRuleset();
+
+        [Test]
+        public void TestTouchInput()
+        {
+            for (int i = 0; i < 4; i++)
+            {
+                int index = i;
+
+                AddStep($"touch column {index}", () => InputManager.BeginTouch(new Touch(TouchSource.Touch1, getColumn(index).ScreenSpaceDrawQuad.Centre)));
+
+                AddAssert("action sent",
+                    () => this.ChildrenOfType<ManiaInputManager>().SelectMany(m => m.KeyBindingContainer.PressedActions),
+                    () => Does.Contain(getColumn(index).Action.Value));
+
+                AddStep($"release column {index}", () => InputManager.EndTouch(new Touch(TouchSource.Touch1, getColumn(index).ScreenSpaceDrawQuad.Centre)));
+
+                AddAssert("action released",
+                    () => this.ChildrenOfType<ManiaInputManager>().SelectMany(m => m.KeyBindingContainer.PressedActions),
+                    () => Does.Not.Contain(getColumn(index).Action.Value));
+            }
+        }
+
+        [Test]
+        public void TestOneColumnMultipleTouches()
+        {
+            AddStep("touch column 0", () => InputManager.BeginTouch(new Touch(TouchSource.Touch1, getColumn(0).ScreenSpaceDrawQuad.Centre)));
+
+            AddAssert("action sent",
+                () => this.ChildrenOfType<ManiaInputManager>().SelectMany(m => m.KeyBindingContainer.PressedActions),
+                () => Does.Contain(getColumn(0).Action.Value));
+
+            AddStep("touch another finger", () => InputManager.BeginTouch(new Touch(TouchSource.Touch2, getColumn(0).ScreenSpaceDrawQuad.Centre)));
+
+            AddAssert("action still pressed",
+                () => this.ChildrenOfType<ManiaInputManager>().SelectMany(m => m.KeyBindingContainer.PressedActions),
+                () => Does.Contain(getColumn(0).Action.Value));
+
+            AddStep("release first finger", () => InputManager.EndTouch(new Touch(TouchSource.Touch1, getColumn(0).ScreenSpaceDrawQuad.Centre)));
+
+            AddAssert("action still pressed",
+                () => this.ChildrenOfType<ManiaInputManager>().SelectMany(m => m.KeyBindingContainer.PressedActions),
+                () => Does.Contain(getColumn(0).Action.Value));
+
+            AddStep("release second finger", () => InputManager.EndTouch(new Touch(TouchSource.Touch2, getColumn(0).ScreenSpaceDrawQuad.Centre)));
+
+            AddAssert("action released",
+                () => this.ChildrenOfType<ManiaInputManager>().SelectMany(m => m.KeyBindingContainer.PressedActions),
+                () => Does.Not.Contain(getColumn(0).Action.Value));
+        }
+
+        private Column getColumn(int index) => this.ChildrenOfType<Column>().ElementAt(index);
+    }
+}

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

@@ -1,49 +0,0 @@
-// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
-// See the LICENCE file in the repository root for full licence text.
-
-using System.Linq;
-using NUnit.Framework;
-using osu.Framework.Graphics.Containers;
-using osu.Framework.Input;
-using osu.Framework.Testing;
-using osu.Game.Rulesets.Mania.UI;
-using osu.Game.Tests.Visual;
-
-namespace osu.Game.Rulesets.Mania.Tests
-{
-    public partial class TestSceneManiaTouchInputArea : PlayerTestScene
-    {
-        protected override Ruleset CreatePlayerRuleset() => new ManiaRuleset();
-
-        [Test]
-        public void TestTouchAreaNotInitiallyVisible()
-        {
-            AddAssert("touch area not visible", () => getTouchOverlay()?.State.Value == Visibility.Hidden);
-        }
-
-        [Test]
-        public void TestPressReceptors()
-        {
-            AddAssert("touch area not visible", () => getTouchOverlay()?.State.Value == Visibility.Hidden);
-
-            for (int i = 0; i < 4; i++)
-            {
-                int index = i;
-
-                AddStep($"touch receptor {index}", () => InputManager.BeginTouch(new Touch(TouchSource.Touch1, getReceptor(index).ScreenSpaceDrawQuad.Centre)));
-
-                AddAssert("action sent",
-                    () => this.ChildrenOfType<ManiaInputManager>().SelectMany(m => m.KeyBindingContainer.PressedActions),
-                    () => Does.Contain(getReceptor(index).Action.Value));
-
-                AddStep($"release receptor {index}", () => InputManager.EndTouch(new Touch(TouchSource.Touch1, getReceptor(index).ScreenSpaceDrawQuad.Centre)));
-
-                AddAssert("touch area visible", () => getTouchOverlay()?.State.Value == Visibility.Visible);
-            }
-        }
-
-        private ManiaTouchInputArea? getTouchOverlay() => this.ChildrenOfType<ManiaTouchInputArea>().SingleOrDefault();
-
-        private ManiaTouchInputArea.ColumnInputReceptor getReceptor(int index) => this.ChildrenOfType<ManiaTouchInputArea.ColumnInputReceptor>().ElementAt(index);
-    }
-}

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

@@ -98,9 +98,9 @@ namespace osu.Game.Rulesets.Mania.Edit.Blueprints
 
         private double originalStartTime;
 
-        public override void UpdateTimeAndPosition(SnapResult result)
+        public override SnapResult UpdateTimeAndPosition(Vector2 screenSpacePosition, double fallbackTime)
         {
-            base.UpdateTimeAndPosition(result);
+            var result = base.UpdateTimeAndPosition(screenSpacePosition, fallbackTime);
 
             if (PlacementActive == PlacementState.Active)
             {
@@ -121,6 +121,8 @@ namespace osu.Game.Rulesets.Mania.Edit.Blueprints
                 if (result.Time is double startTime)
                     originalStartTime = HitObject.StartTime = startTime;
             }
+
+            return result;
         }
     }
 }

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

@@ -5,7 +5,6 @@ using osu.Framework.Allocation;
 using osu.Framework.Bindables;
 using osu.Framework.Graphics;
 using osu.Framework.Graphics.Primitives;
-using osu.Game.Rulesets.Edit;
 using osu.Game.Rulesets.Mania.Edit.Blueprints.Components;
 using osu.Game.Rulesets.Mania.Objects;
 using osu.Game.Rulesets.Mania.Objects.Drawables;
@@ -24,7 +23,7 @@ namespace osu.Game.Rulesets.Mania.Edit.Blueprints
         private EditorBeatmap? editorBeatmap { get; set; }
 
         [Resolved]
-        private IPositionSnapProvider? positionSnapProvider { get; set; }
+        private ManiaHitObjectComposer? positionSnapProvider { get; set; }
 
         private EditBodyPiece body = null!;
         private EditHoldNoteEndPiece head = null!;

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

@@ -1,8 +1,8 @@
 // Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
 // See the LICENCE file in the repository root for full licence text.
 
-#nullable disable
+using System;
-
+using osu.Framework.Allocation;
 using osu.Framework.Graphics;
 using osu.Framework.Input.Events;
 using osu.Game.Rulesets.Edit;
@@ -20,13 +20,18 @@ namespace osu.Game.Rulesets.Mania.Edit.Blueprints
     {
         protected new T HitObject => (T)base.HitObject;
 
-        private Column column;
+        [Resolved]
+        private ManiaHitObjectComposer? composer { get; set; }
 
-        public Column Column
+        private Column? column;
+
+        public Column? Column
         {
             get => column;
             set
             {
+                ArgumentNullException.ThrowIfNull(value);
+
                 if (value == column)
                     return;
 
@@ -53,9 +58,11 @@ namespace osu.Game.Rulesets.Mania.Edit.Blueprints
             return true;
         }
 
-        public override void UpdateTimeAndPosition(SnapResult result)
+        public override SnapResult UpdateTimeAndPosition(Vector2 screenSpacePosition, double fallbackTime)
         {
-            base.UpdateTimeAndPosition(result);
+            var result = composer?.FindSnappedPositionAndTime(screenSpacePosition) ?? new SnapResult(screenSpacePosition, fallbackTime);
+
+            base.UpdateTimeAndPosition(result.ScreenSpacePosition, result.Time ?? fallbackTime);
 
             if (result.Playfield is Column col)
             {
@@ -76,6 +83,8 @@ namespace osu.Game.Rulesets.Mania.Edit.Blueprints
                 if (PlacementActive == PlacementState.Waiting)
                     Column = col;
             }
+
+            return result;
         }
 
         private float getNoteHeight(Column resultPlayfield) =>

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

@@ -8,6 +8,7 @@ using osu.Framework.Input.Events;
 using osu.Game.Graphics;
 using osu.Game.Rulesets.Edit;
 using osu.Game.Rulesets.Mania.Objects;
+using osuTK;
 using osuTK.Input;
 
 namespace osu.Game.Rulesets.Mania.Edit.Blueprints
@@ -35,15 +36,17 @@ namespace osu.Game.Rulesets.Mania.Edit.Blueprints
             };
         }
 
-        public override void UpdateTimeAndPosition(SnapResult result)
+        public override SnapResult UpdateTimeAndPosition(Vector2 screenSpacePosition, double referenceTime)
         {
-            base.UpdateTimeAndPosition(result);
+            var result = base.UpdateTimeAndPosition(screenSpacePosition, referenceTime);
 
             if (result.Playfield != null)
             {
                 piece.Width = result.Playfield.DrawWidth;
                 piece.Position = ToLocalSpace(result.ScreenSpacePosition);
             }
+
+            return result;
         }
 
         protected override bool OnMouseDown(MouseDownEvent e)

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

@@ -1,17 +1,23 @@
 // Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
 // See the LICENCE file in the repository root for full licence text.
 
+using System.Collections.Generic;
+using System.Linq;
+using osu.Framework.Input.Events;
 using osu.Game.Rulesets.Edit;
 using osu.Game.Rulesets.Mania.Edit.Blueprints;
 using osu.Game.Rulesets.Mania.Objects;
 using osu.Game.Rulesets.Objects;
 using osu.Game.Screens.Edit.Compose.Components;
+using osuTK;
 
 namespace osu.Game.Rulesets.Mania.Edit
 {
     public partial class ManiaBlueprintContainer : ComposeBlueprintContainer
     {
-        public ManiaBlueprintContainer(HitObjectComposer composer)
+        public new ManiaHitObjectComposer Composer => (ManiaHitObjectComposer)base.Composer;
+
+        public ManiaBlueprintContainer(ManiaHitObjectComposer composer)
             : base(composer)
         {
         }
@@ -33,5 +39,22 @@ namespace osu.Game.Rulesets.Mania.Edit
         protected override SelectionHandler<HitObject> CreateSelectionHandler() => new ManiaSelectionHandler();
 
         protected sealed override DragBox CreateDragBox() => new ScrollingDragBox(Composer.Playfield);
+
+        protected override bool TryMoveBlueprints(DragEvent e, IList<(SelectionBlueprint<HitObject> blueprint, Vector2[] originalSnapPositions)> blueprints)
+        {
+            Vector2 distanceTravelled = e.ScreenSpaceMousePosition - e.ScreenSpaceMouseDownPosition;
+
+            // The final movement position, relative to movementBlueprintOriginalPosition.
+            Vector2 movePosition = blueprints.First().originalSnapPositions.First() + distanceTravelled;
+
+            // Retrieve a snapped position.
+            var result = Composer.FindSnappedPositionAndTime(movePosition);
+
+            var referenceBlueprint = blueprints.First().blueprint;
+            bool moved = SelectionHandler.HandleMovement(new MoveSelectionEvent<HitObject>(referenceBlueprint, result.ScreenSpacePosition - referenceBlueprint.ScreenSpaceSelectionPoint));
+            if (moved)
+                ApplySnapResultTime(result, referenceBlueprint.Item.StartTime);
+            return moved;
+        }
     }
 }

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

@@ -19,6 +19,7 @@ using osuTK;
 
 namespace osu.Game.Rulesets.Mania.Edit
 {
+    [Cached]
     public partial class ManiaHitObjectComposer : ScrollingHitObjectComposer<ManiaHitObject>
     {
         private DrawableManiaEditorRuleset drawableRuleset = null!;

osu.Game.Rulesets.Mania/ManiaInputManager.cs

@@ -8,7 +8,7 @@ using osu.Game.Rulesets.UI;
 
 namespace osu.Game.Rulesets.Mania
 {
-    [Cached] // Used for touch input, see ColumnTouchInputArea.
+    [Cached] // Used for touch input, see Column.OnTouchDown/OnTouchUp.
     public partial class ManiaInputManager : RulesetInputManager<ManiaAction>
     {
         public ManiaInputManager(RulesetInfo ruleset, int variant)

osu.Game.Rulesets.Mania/Mods/ManiaModWithPlayfieldCover.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;
+                HitObjectContainer hoc = column.HitObjectContainer;
                 Container hocParent = (Container)hoc.Parent!;
 
                 hocParent.Remove(hoc, false);

osu.Game.Rulesets.Mania/Skinning/Argon/ArgonJudgementPiece.cs

@@ -19,7 +19,7 @@ namespace osu.Game.Rulesets.Mania.Skinning.Argon
 {
     public partial class ArgonJudgementPiece : TextJudgementPiece, IAnimatableJudgement
     {
-        private const float judgement_y_position = 160;
+        private const float judgement_y_position = -180f;
 
         private RingExplosion? ringExplosion;
 

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

@@ -7,7 +7,6 @@ using osu.Framework.Graphics.Animations;
 using osu.Framework.Graphics.Containers;
 using osu.Framework.Utils;
 using osu.Game.Rulesets.Judgements;
-using osu.Game.Rulesets.Mania.UI;
 using osu.Game.Rulesets.Scoring;
 using osu.Game.Skinning;
 
@@ -23,7 +22,7 @@ namespace osu.Game.Rulesets.Mania.Skinning.Legacy
             this.result = result;
             this.animation = animation;
 
-            Anchor = Anchor.Centre;
+            Anchor = Anchor.BottomCentre;
             Origin = Anchor.Centre;
 
             AutoSizeAxes = Axes.Both;
@@ -32,12 +31,11 @@ namespace osu.Game.Rulesets.Mania.Skinning.Legacy
         [BackgroundDependencyLoader]
         private void load(ISkinSource skin)
         {
-            float? scorePosition = skin.GetManiaSkinConfig<float>(LegacyManiaSkinConfigurationLookups.ScorePosition)?.Value;
+            float hitPosition = skin.GetManiaSkinConfig<float>(LegacyManiaSkinConfigurationLookups.HitPosition)?.Value ?? 0;
+            float scorePosition = skin.GetManiaSkinConfig<float>(LegacyManiaSkinConfigurationLookups.ScorePosition)?.Value ?? 0;
 
-            if (scorePosition != null)
+            float absoluteHitPosition = 480f * LegacyManiaSkinConfiguration.POSITION_SCALE_FACTOR - hitPosition;
-                scorePosition -= Stage.HIT_TARGET_POSITION + 150;
+            Y = scorePosition - absoluteHitPosition;
-
-            Y = scorePosition ?? 0;
 
             InternalChild = animation.With(d =>
             {

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

@@ -1,10 +1,9 @@
 // Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
 // See the LICENCE file in the repository root for full licence text.
 
-#nullable disable
-
 using osu.Framework.Allocation;
 using osu.Framework.Bindables;
+using osu.Framework.Extensions.ObjectExtensions;
 using osu.Framework.Graphics;
 using osu.Framework.Graphics.Containers;
 using osu.Framework.Graphics.Pooling;
@@ -45,11 +44,11 @@ namespace osu.Game.Rulesets.Mania.UI
 
         internal readonly Container TopLevelContainer = new Container { RelativeSizeAxes = Axes.Both };
 
-        private DrawablePool<PoolableHitExplosion> hitExplosionPool;
+        private DrawablePool<PoolableHitExplosion> hitExplosionPool = null!;
         private readonly OrderedHitPolicy hitPolicy;
         public Container UnderlayElements => HitObjectArea.UnderlayElements;
 
-        private GameplaySampleTriggerSource sampleTriggerSource;
+        private GameplaySampleTriggerSource sampleTriggerSource = null!;
 
         /// <summary>
         /// Whether this is a special (ie. scratch) column.
@@ -67,11 +66,15 @@ namespace osu.Game.Rulesets.Mania.UI
             Width = COLUMN_WIDTH;
 
             hitPolicy = new OrderedHitPolicy(HitObjectContainer);
-            HitObjectArea = new ColumnHitObjectArea(HitObjectContainer) { RelativeSizeAxes = Axes.Both };
+            HitObjectArea = new ColumnHitObjectArea
+            {
+                RelativeSizeAxes = Axes.Both,
+                Child = HitObjectContainer,
+            };
         }
 
         [Resolved]
-        private ISkinSource skin { get; set; }
+        private ISkinSource skin { get; set; } = null!;
 
         [BackgroundDependencyLoader]
         private void load(GameHost host)
@@ -132,7 +135,7 @@ namespace osu.Game.Rulesets.Mania.UI
 
             base.Dispose(isDisposing);
 
-            if (skin != null)
+            if (skin.IsNotNull())
                 skin.SourceChanged -= onSourceChanged;
         }
 
@@ -180,5 +183,29 @@ namespace osu.Game.Rulesets.Mania.UI
         public override bool ReceivePositionalInputAt(Vector2 screenSpacePos)
             // This probably shouldn't exist as is, but the columns in the stage are separated by a 1px border
             => DrawRectangle.Inflate(new Vector2(Stage.COLUMN_SPACING / 2, 0)).Contains(ToLocalSpace(screenSpacePos));
+
+        #region Touch Input
+
+        [Resolved]
+        private ManiaInputManager? maniaInputManager { get; set; }
+
+        private int touchActivationCount;
+
+        protected override bool OnTouchDown(TouchDownEvent e)
+        {
+            maniaInputManager?.KeyBindingContainer.TriggerPressed(Action.Value);
+            touchActivationCount++;
+            return true;
+        }
+
+        protected override void OnTouchUp(TouchUpEvent e)
+        {
+            touchActivationCount--;
+
+            if (touchActivationCount == 0)
+                maniaInputManager?.KeyBindingContainer.TriggerReleased(Action.Value);
+        }
+
+        #endregion
     }
 }

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

@@ -3,13 +3,12 @@
 
 using osu.Framework.Graphics;
 using osu.Framework.Graphics.Containers;
-using osu.Game.Rulesets.UI;
 using osu.Game.Rulesets.UI.Scrolling;
 using osu.Game.Skinning;
 
 namespace osu.Game.Rulesets.Mania.UI.Components
 {
-    public partial class ColumnHitObjectArea : HitObjectArea
+    public partial class ColumnHitObjectArea : HitPositionPaddedContainer
     {
         public readonly Container Explosions;
 
@@ -17,25 +16,29 @@ namespace osu.Game.Rulesets.Mania.UI.Components
 
         private readonly Drawable hitTarget;
 
-        public ColumnHitObjectArea(HitObjectContainer hitObjectContainer)
+        protected override Container<Drawable> Content => content;
-            : base(hitObjectContainer)
+
+        private readonly Container content;
+
+        public ColumnHitObjectArea()
         {
             AddRangeInternal(new[]
             {
                 UnderlayElements = new Container
                 {
                     RelativeSizeAxes = Axes.Both,
-                    Depth = 2,
                 },
                 hitTarget = new SkinnableDrawable(new ManiaSkinComponentLookup(ManiaSkinComponents.HitTarget), _ => new DefaultHitTarget())
                 {
                     RelativeSizeAxes = Axes.X,
-                    Depth = 1
+                },
+                content = new Container
+                {
+                    RelativeSizeAxes = Axes.Both,
                 },
                 Explosions = new Container
                 {
                     RelativeSizeAxes = Axes.Both,
-                    Depth = -1,
                 }
             });
         }

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

@@ -1,52 +1,38 @@
-// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
+// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
 // See the LICENCE file in the repository root for full licence text.
 
 using osu.Framework.Allocation;
 using osu.Framework.Bindables;
+using osu.Framework.Extensions.ObjectExtensions;
 using osu.Framework.Graphics;
 using osu.Framework.Graphics.Containers;
 using osu.Game.Rulesets.Mania.Skinning;
-using osu.Game.Rulesets.UI;
 using osu.Game.Rulesets.UI.Scrolling;
 using osu.Game.Skinning;
 
 namespace osu.Game.Rulesets.Mania.UI.Components
 {
-    public partial class HitObjectArea : SkinReloadableDrawable
+    public partial class HitPositionPaddedContainer : Container
     {
         protected readonly IBindable<ScrollingDirection> Direction = new Bindable<ScrollingDirection>();
-        public readonly HitObjectContainer HitObjectContainer;
 
-        public HitObjectArea(HitObjectContainer hitObjectContainer)
+        [Resolved]
-        {
+        private ISkinSource skin { get; set; } = null!;
-            InternalChild = new Container
-            {
-                RelativeSizeAxes = Axes.Both,
-                Child = HitObjectContainer = hitObjectContainer
-            };
-        }
 
         [BackgroundDependencyLoader]
         private void load(IScrollingInfo scrollingInfo)
         {
             Direction.BindTo(scrollingInfo.Direction);
-            Direction.BindValueChanged(onDirectionChanged, true);
+            Direction.BindValueChanged(_ => UpdateHitPosition(), true);
+
+            skin.SourceChanged += onSkinChanged;
         }
 
-        protected override void SkinChanged(ISkinSource skin)
+        private void onSkinChanged() => UpdateHitPosition();
-        {
-            base.SkinChanged(skin);
-            UpdateHitPosition();
-        }
-
-        private void onDirectionChanged(ValueChangedEvent<ScrollingDirection> direction)
-        {
-            UpdateHitPosition();
-        }
 
         protected virtual void UpdateHitPosition()
         {
-            float hitPosition = CurrentSkin.GetConfig<ManiaSkinConfigurationLookup, float>(
+            float hitPosition = skin.GetConfig<ManiaSkinConfigurationLookup, float>(
                                     new ManiaSkinConfigurationLookup(LegacyManiaSkinConfigurationLookups.HitPosition))?.Value
                                 ?? Stage.HIT_TARGET_POSITION;
 
@@ -54,5 +40,13 @@ namespace osu.Game.Rulesets.Mania.UI.Components
                 ? new MarginPadding { Top = hitPosition }
                 : new MarginPadding { Bottom = hitPosition };
         }
+
+        protected override void Dispose(bool isDisposing)
+        {
+            base.Dispose(isDisposing);
+
+            if (skin.IsNotNull())
+                skin.SourceChanged -= onSkinChanged;
+        }
     }
 }

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

@@ -6,6 +6,7 @@
 using osu.Framework.Graphics;
 using osu.Game.Rulesets.Judgements;
 using osu.Game.Rulesets.Scoring;
+using osuTK;
 
 namespace osu.Game.Rulesets.Mania.UI
 {
@@ -15,9 +16,12 @@ namespace osu.Game.Rulesets.Mania.UI
 
         private partial class DefaultManiaJudgementPiece : DefaultJudgementPiece
         {
+            private const float judgement_y_position = -180f;
+
             public DefaultManiaJudgementPiece(HitResult result)
                 : base(result)
             {
+                Y = judgement_y_position;
             }
 
             protected override void LoadComplete()
@@ -32,8 +36,20 @@ namespace osu.Game.Rulesets.Mania.UI
                 switch (Result)
                 {
                     case HitResult.None:
+                        this.FadeOutFromOne(800);
+                        break;
+
                     case HitResult.Miss:
-                        base.PlayAnimation();
+                        this.ScaleTo(1.6f);
+                        this.ScaleTo(1, 100, Easing.In);
+
+                        this.MoveToY(judgement_y_position);
+                        this.MoveToOffset(new Vector2(0, 100), 800, Easing.InQuint);
+
+                        this.RotateTo(0);
+                        this.RotateTo(40, 800, Easing.InQuint);
+
+                        this.FadeOutFromOne(800);
                         break;
 
                     default:
@@ -43,8 +59,6 @@ namespace osu.Game.Rulesets.Mania.UI
                         this.Delay(50)
                             .ScaleTo(0.75f, 250)
                             .FadeOut(200);
-
-                        // osu!mania uses a custom fade length, so the base call is intentionally omitted.
                         break;
                 }
             }

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

@@ -32,7 +32,6 @@ using osu.Game.Skinning;
 
 namespace osu.Game.Rulesets.Mania.UI
 {
-    [Cached]
     public partial class DrawableManiaRuleset : DrawableScrollingRuleset<ManiaHitObject>
     {
         /// <summary>
@@ -51,6 +50,8 @@ namespace osu.Game.Rulesets.Mania.UI
 
         public IEnumerable<BarLine> BarLines;
 
+        public override bool RequiresPortraitOrientation => Beatmap.Stages.Count == 1;
+
         protected override bool RelativeScaleBeatLengths => true;
 
         protected new ManiaRulesetConfigManager Config => (ManiaRulesetConfigManager)base.Config;
@@ -110,8 +111,6 @@ namespace osu.Game.Rulesets.Mania.UI
             configScrollSpeed.BindValueChanged(speed => TargetTimeRange = ComputeScrollTime(speed.NewValue));
 
             TimeRange.Value = TargetTimeRange = currentTimeRange = ComputeScrollTime(configScrollSpeed.Value);
-
-            KeyBindingInputManager.Add(new ManiaTouchInputArea());
         }
 
         protected override void AdjustScrollSpeed(int amount) => configScrollSpeed.Value += amount;
@@ -162,7 +161,7 @@ namespace osu.Game.Rulesets.Mania.UI
         /// <returns>The scroll time.</returns>
         public static double ComputeScrollTime(double scrollSpeed) => MAX_TIME_RANGE / scrollSpeed;
 
-        public override PlayfieldAdjustmentContainer CreatePlayfieldAdjustmentContainer() => new ManiaPlayfieldAdjustmentContainer();
+        public override PlayfieldAdjustmentContainer CreatePlayfieldAdjustmentContainer() => new ManiaPlayfieldAdjustmentContainer(this);
 
         protected override Playfield CreatePlayfield() => new ManiaPlayfield(Beatmap.Stages);
 

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

@@ -1,17 +1,63 @@
 // Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
 // See the LICENCE file in the repository root for full licence text.
 
+using System;
 using osu.Framework.Graphics;
+using osu.Framework.Graphics.Containers;
 using osu.Game.Rulesets.UI;
+using osuTK;
 
 namespace osu.Game.Rulesets.Mania.UI
 {
     public partial class ManiaPlayfieldAdjustmentContainer : PlayfieldAdjustmentContainer
     {
-        public ManiaPlayfieldAdjustmentContainer()
+        protected override Container<Drawable> Content { get; }
+
+        private readonly DrawSizePreservingFillContainer scalingContainer;
+
+        private readonly DrawableManiaRuleset drawableManiaRuleset;
+
+        public ManiaPlayfieldAdjustmentContainer(DrawableManiaRuleset drawableManiaRuleset)
         {
-            Anchor = Anchor.Centre;
+            this.drawableManiaRuleset = drawableManiaRuleset;
-            Origin = Anchor.Centre;
+            InternalChild = scalingContainer = new DrawSizePreservingFillContainer
+            {
+                Anchor = Anchor.Centre,
+                Origin = Anchor.Centre,
+                RelativeSizeAxes = Axes.Both,
+                Child = Content = new Container
+                {
+                    RelativeSizeAxes = Axes.Both,
+                }
+            };
+        }
+
+        protected override void Update()
+        {
+            base.Update();
+
+            float aspectRatio = DrawWidth / DrawHeight;
+            bool isPortrait = aspectRatio < 1f;
+
+            if (isPortrait && drawableManiaRuleset.Beatmap.Stages.Count == 1)
+            {
+                // Scale playfield up by 25% to become playable on mobile devices,
+                // and leave a 10% horizontal gap if the playfield is scaled down due to being too wide.
+                const float base_scale = 1.25f;
+                const float base_width = 768f / base_scale;
+                const float side_gap = 0.9f;
+
+                scalingContainer.Strategy = DrawSizePreservationStrategy.Maximum;
+                float stageWidth = drawableManiaRuleset.Playfield.Stages[0].DrawWidth;
+                scalingContainer.TargetDrawSize = new Vector2(1024, base_width * Math.Max(stageWidth / aspectRatio / (base_width * side_gap), 1f));
+            }
+            else
+            {
+                scalingContainer.Strategy = DrawSizePreservationStrategy.Minimum;
+                scalingContainer.Scale = new Vector2(1f);
+                scalingContainer.Size = new Vector2(1f);
+                scalingContainer.TargetDrawSize = new Vector2(1024, 768);
+            }
         }
     }
 }

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

@@ -1,199 +0,0 @@
-// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
-// See the LICENCE file in the repository root for full licence text.
-
-using System.Collections.Generic;
-using osu.Framework.Allocation;
-using osu.Framework.Bindables;
-using osu.Framework.Graphics;
-using osu.Framework.Graphics.Containers;
-using osu.Framework.Graphics.Shapes;
-using osu.Framework.Input.Events;
-using osu.Game.Configuration;
-using osuTK;
-
-namespace osu.Game.Rulesets.Mania.UI
-{
-    /// <summary>
-    /// An overlay that captures and displays osu!mania mouse and touch input.
-    /// </summary>
-    public partial class ManiaTouchInputArea : VisibilityContainer
-    {
-        // visibility state affects our child. we always want to handle input.
-        public override bool PropagatePositionalInputSubTree => true;
-        public override bool PropagateNonPositionalInputSubTree => true;
-
-        [SettingSource("Spacing", "The spacing between receptors.")]
-        public BindableFloat Spacing { get; } = new BindableFloat(10)
-        {
-            Precision = 1,
-            MinValue = 0,
-            MaxValue = 100,
-        };
-
-        [SettingSource("Opacity", "The receptor opacity.")]
-        public BindableFloat Opacity { get; } = new BindableFloat(1)
-        {
-            Precision = 0.1f,
-            MinValue = 0,
-            MaxValue = 1
-        };
-
-        [Resolved]
-        private DrawableManiaRuleset drawableRuleset { get; set; } = null!;
-
-        private GridContainer gridContainer = null!;
-
-        public ManiaTouchInputArea()
-        {
-            Anchor = Anchor.BottomCentre;
-            Origin = Anchor.BottomCentre;
-
-            RelativeSizeAxes = Axes.Both;
-            Height = 0.5f;
-        }
-
-        [BackgroundDependencyLoader]
-        private void load()
-        {
-            List<Drawable> receptorGridContent = new List<Drawable>();
-            List<Dimension> receptorGridDimensions = new List<Dimension>();
-
-            bool first = true;
-
-            foreach (var stage in drawableRuleset.Playfield.Stages)
-            {
-                foreach (var column in stage.Columns)
-                {
-                    if (!first)
-                    {
-                        receptorGridContent.Add(new Gutter { Spacing = { BindTarget = Spacing } });
-                        receptorGridDimensions.Add(new Dimension(GridSizeMode.AutoSize));
-                    }
-
-                    receptorGridContent.Add(new ColumnInputReceptor { Action = { BindTarget = column.Action } });
-                    receptorGridDimensions.Add(new Dimension());
-
-                    first = false;
-                }
-            }
-
-            InternalChild = gridContainer = new GridContainer
-            {
-                RelativeSizeAxes = Axes.Both,
-                AlwaysPresent = true,
-                Content = new[] { receptorGridContent.ToArray() },
-                ColumnDimensions = receptorGridDimensions.ToArray()
-            };
-        }
-
-        protected override void LoadComplete()
-        {
-            base.LoadComplete();
-            Opacity.BindValueChanged(o => Alpha = o.NewValue, true);
-        }
-
-        protected override bool OnKeyDown(KeyDownEvent e)
-        {
-            // Hide whenever the keyboard is used.
-            Hide();
-            return false;
-        }
-
-        protected override bool OnTouchDown(TouchDownEvent e)
-        {
-            Show();
-            return true;
-        }
-
-        protected override void PopIn()
-        {
-            gridContainer.FadeIn(500, Easing.OutQuint);
-        }
-
-        protected override void PopOut()
-        {
-            gridContainer.FadeOut(300);
-        }
-
-        public partial class ColumnInputReceptor : CompositeDrawable
-        {
-            public readonly IBindable<ManiaAction> Action = new Bindable<ManiaAction>();
-
-            private readonly Box highlightOverlay;
-
-            [Resolved]
-            private ManiaInputManager? inputManager { get; set; }
-
-            private bool isPressed;
-
-            public ColumnInputReceptor()
-            {
-                RelativeSizeAxes = Axes.Both;
-
-                InternalChildren = new Drawable[]
-                {
-                    new Container
-                    {
-                        RelativeSizeAxes = Axes.Both,
-                        Masking = true,
-                        CornerRadius = 10,
-                        Children = new Drawable[]
-                        {
-                            new Box
-                            {
-                                RelativeSizeAxes = Axes.Both,
-                                Alpha = 0.15f,
-                            },
-                            highlightOverlay = new Box
-                            {
-                                RelativeSizeAxes = Axes.Both,
-                                Alpha = 0,
-                                Blending = BlendingParameters.Additive,
-                            }
-                        }
-                    }
-                };
-            }
-
-            protected override bool OnTouchDown(TouchDownEvent e)
-            {
-                updateButton(true);
-                return false; // handled by parent container to show overlay.
-            }
-
-            protected override void OnTouchUp(TouchUpEvent e)
-            {
-                updateButton(false);
-            }
-
-            private void updateButton(bool press)
-            {
-                if (press == isPressed)
-                    return;
-
-                isPressed = press;
-
-                if (press)
-                {
-                    inputManager?.KeyBindingContainer.TriggerPressed(Action.Value);
-                    highlightOverlay.FadeTo(0.1f, 80, Easing.OutQuint);
-                }
-                else
-                {
-                    inputManager?.KeyBindingContainer.TriggerReleased(Action.Value);
-                    highlightOverlay.FadeTo(0, 400, Easing.OutQuint);
-                }
-            }
-        }
-
-        private partial class Gutter : Drawable
-        {
-            public readonly IBindable<float> Spacing = new Bindable<float>();
-
-            public Gutter()
-            {
-                Spacing.BindValueChanged(s => Size = new Vector2(s.NewValue));
-            }
-        }
-    }
-}

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

@@ -103,12 +103,13 @@ namespace osu.Game.Rulesets.Mania.UI
                             Width = 1366, // Bar lines should only be masked on the vertical axis
                             BypassAutoSizeAxes = Axes.Both,
                             Masking = true,
-                            Child = barLineContainer = new HitObjectArea(HitObjectContainer)
+                            Child = barLineContainer = new HitPositionPaddedContainer
                             {
                                 Name = "Bar lines",
                                 Anchor = Anchor.TopCentre,
                                 Origin = Anchor.TopCentre,
                                 RelativeSizeAxes = Axes.Y,
+                                Child = HitObjectContainer,
                             }
                         },
                         columnFlow = new ColumnFlow<Column>(definition)
@@ -119,12 +120,13 @@ namespace osu.Game.Rulesets.Mania.UI
                         {
                             RelativeSizeAxes = Axes.Both
                         },
-                        judgements = new JudgementContainer<DrawableManiaJudgement>
+                        new HitPositionPaddedContainer
                         {
-                            Anchor = Anchor.TopCentre,
-                            Origin = Anchor.Centre,
                             RelativeSizeAxes = Axes.Both,
-                            Y = HIT_TARGET_POSITION + 150
+                            Child = judgements = new JudgementContainer<DrawableManiaJudgement>
+                            {
+                                RelativeSizeAxes = Axes.Both,
+                            },
                         },
                         topLevelContainer = new Container { RelativeSizeAxes = Axes.Both }
                     }
@@ -218,7 +220,7 @@ namespace osu.Game.Rulesets.Mania.UI
             {
                 j.Apply(result, judgedObject);
 
-                j.Anchor = Anchor.Centre;
+                j.Anchor = Anchor.BottomCentre;
                 j.Origin = Anchor.Centre;
             })!);
         }

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

@@ -13,7 +13,7 @@ namespace osu.Game.Rulesets.Osu.Edit.Blueprints
     public partial class GridPlacementBlueprint : PlacementBlueprint
     {
         [Resolved]
-        private HitObjectComposer? hitObjectComposer { get; set; }
+        private OsuHitObjectComposer? hitObjectComposer { get; set; }
 
         private OsuGridToolboxGroup gridToolboxGroup = null!;
         private Vector2 originalOrigin;
@@ -95,12 +95,12 @@ namespace osu.Game.Rulesets.Osu.Edit.Blueprints
             base.OnDragEnd(e);
         }
 
-        public override SnapType SnapType => ~SnapType.GlobalGrids;
+        public override SnapResult UpdateTimeAndPosition(Vector2 screenSpacePosition, double fallbackTime)
-
-        public override void UpdateTimeAndPosition(SnapResult result)
         {
             if (State.Value == Visibility.Hidden)
-                return;
+                return new SnapResult(screenSpacePosition, fallbackTime);
+
+            var result = hitObjectComposer?.TrySnapToNearbyObjects(screenSpacePosition) ?? new SnapResult(screenSpacePosition, fallbackTime);
 
             var pos = ToLocalSpace(result.ScreenSpacePosition);
 
@@ -120,6 +120,8 @@ namespace osu.Game.Rulesets.Osu.Edit.Blueprints
                     gridToolboxGroup.SetGridFromPoints(gridToolboxGroup.StartPosition.Value, pos);
                 }
             }
+
+            return result;
         }
 
         protected override void PopOut()

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

@@ -1,10 +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 osu.Framework.Allocation;
+using osu.Framework.Bindables;
 using osu.Framework.Input.Events;
+using osu.Game.Configuration;
 using osu.Game.Rulesets.Edit;
 using osu.Game.Rulesets.Osu.Edit.Blueprints.HitCircles.Components;
 using osu.Game.Rulesets.Osu.Objects;
+using osu.Game.Screens.Edit;
+using osuTK;
 using osuTK.Input;
 
 namespace osu.Game.Rulesets.Osu.Edit.Blueprints.HitCircles
@@ -15,12 +20,26 @@ namespace osu.Game.Rulesets.Osu.Edit.Blueprints.HitCircles
 
         private readonly HitCirclePiece circlePiece;
 
+        [Resolved]
+        private OsuHitObjectComposer? composer { get; set; }
+
+        [Resolved]
+        private EditorClock? editorClock { get; set; }
+
+        private Bindable<bool> limitedDistanceSnap { get; set; } = null!;
+
         public HitCirclePlacementBlueprint()
             : base(new HitCircle())
         {
             InternalChild = circlePiece = new HitCirclePiece();
         }
 
+        [BackgroundDependencyLoader]
+        private void load(OsuConfigManager config)
+        {
+            limitedDistanceSnap = config.GetBindable<bool>(OsuSetting.EditorLimitedDistanceSnap);
+        }
+
         protected override void LoadComplete()
         {
             base.LoadComplete();
@@ -45,10 +64,17 @@ namespace osu.Game.Rulesets.Osu.Edit.Blueprints.HitCircles
             return base.OnMouseDown(e);
         }
 
-        public override void UpdateTimeAndPosition(SnapResult result)
+        public override SnapResult UpdateTimeAndPosition(Vector2 screenSpacePosition, double fallbackTime)
         {
-            base.UpdateTimeAndPosition(result);
+            var result = composer?.TrySnapToNearbyObjects(screenSpacePosition, fallbackTime);
+            result ??= composer?.TrySnapToDistanceGrid(screenSpacePosition, limitedDistanceSnap.Value && editorClock != null ? editorClock.CurrentTime : null);
+            if (composer?.TrySnapToPositionGrid(result?.ScreenSpacePosition ?? screenSpacePosition, result?.Time ?? fallbackTime) is SnapResult gridSnapResult)
+                result = gridSnapResult;
+            result ??= new SnapResult(screenSpacePosition, fallbackTime);
+
+            base.UpdateTimeAndPosition(result.ScreenSpacePosition, result.Time ?? fallbackTime);
             HitObject.Position = ToLocalSpace(result.ScreenSpacePosition);
+            return result;
         }
     }
 }

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

@@ -9,6 +9,7 @@ using System.Collections.Specialized;
 using System.Diagnostics;
 using System.Linq;
 using Humanizer;
+using JetBrains.Annotations;
 using osu.Framework.Allocation;
 using osu.Framework.Bindables;
 using osu.Framework.Graphics;
@@ -20,6 +21,7 @@ using osu.Framework.Input;
 using osu.Framework.Input.Bindings;
 using osu.Framework.Input.Events;
 using osu.Framework.Utils;
+using osu.Game.Configuration;
 using osu.Game.Graphics.UserInterface;
 using osu.Game.Rulesets.Edit;
 using osu.Game.Rulesets.Objects;
@@ -48,11 +50,14 @@ namespace osu.Game.Rulesets.Osu.Edit.Blueprints.Sliders.Components
         public Action<List<PathControlPoint>> SplitControlPointsRequested;
 
         [Resolved(CanBeNull = true)]
-        private IPositionSnapProvider positionSnapProvider { get; set; }
+        [CanBeNull]
+        private OsuHitObjectComposer positionSnapProvider { get; set; }
 
         [Resolved(CanBeNull = true)]
         private IDistanceSnapProvider distanceSnapProvider { get; set; }
 
+        private Bindable<bool> limitedDistanceSnap { get; set; } = null!;
+
         public PathControlPointVisualiser(T hitObject, bool allowSelection)
         {
             this.hitObject = hitObject;
@@ -67,6 +72,12 @@ namespace osu.Game.Rulesets.Osu.Edit.Blueprints.Sliders.Components
             };
         }
 
+        [BackgroundDependencyLoader]
+        private void load(OsuConfigManager config)
+        {
+            limitedDistanceSnap = config.GetBindable<bool>(OsuSetting.EditorLimitedDistanceSnap);
+        }
+
         protected override void LoadComplete()
         {
             base.LoadComplete();
@@ -433,12 +444,17 @@ namespace osu.Game.Rulesets.Osu.Edit.Blueprints.Sliders.Components
             {
                 // 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]));
-                SnapResult result = positionSnapProvider?.FindSnappedPositionAndTime(newHeadPosition);
 
-                Vector2 movementDelta = Parent!.ToLocalSpace(result?.ScreenSpacePosition ?? newHeadPosition) - hitObject.Position;
+                var result = positionSnapProvider?.TrySnapToNearbyObjects(newHeadPosition, oldStartTime);
+                result ??= positionSnapProvider?.TrySnapToDistanceGrid(newHeadPosition, limitedDistanceSnap.Value ? oldStartTime : null);
+                if (positionSnapProvider?.TrySnapToPositionGrid(result?.ScreenSpacePosition ?? newHeadPosition, result?.Time ?? oldStartTime) is SnapResult gridSnapResult)
+                    result = gridSnapResult;
+                result ??= new SnapResult(newHeadPosition, oldStartTime);
+
+                Vector2 movementDelta = Parent!.ToLocalSpace(result.ScreenSpacePosition) - hitObject.Position;
 
                 hitObject.Position += movementDelta;
-                hitObject.StartTime = result?.Time ?? hitObject.StartTime;
+                hitObject.StartTime = result.Time ?? hitObject.StartTime;
 
                 for (int i = 1; i < hitObject.Path.ControlPoints.Count; i++)
                 {
@@ -453,7 +469,7 @@ namespace osu.Game.Rulesets.Osu.Edit.Blueprints.Sliders.Components
             }
             else
             {
-                SnapResult result = positionSnapProvider?.FindSnappedPositionAndTime(Parent!.ToScreenSpace(e.MousePosition), SnapType.GlobalGrids);
+                SnapResult result = positionSnapProvider?.TrySnapToPositionGrid(Parent!.ToScreenSpace(e.MousePosition));
 
                 Vector2 movementDelta = Parent!.ToLocalSpace(result?.ScreenSpacePosition ?? Parent!.ToScreenSpace(e.MousePosition)) - dragStartPositions[draggedControlPointIndex] - hitObject.Position;
 

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

@@ -5,10 +5,12 @@ using System;
 using System.Collections.Generic;
 using System.Linq;
 using osu.Framework.Allocation;
+using osu.Framework.Bindables;
 using osu.Framework.Graphics;
 using osu.Framework.Input;
 using osu.Framework.Input.Events;
 using osu.Framework.Utils;
+using osu.Game.Configuration;
 using osu.Game.Rulesets.Edit;
 using osu.Game.Rulesets.Objects;
 using osu.Game.Rulesets.Objects.Types;
@@ -25,6 +27,9 @@ namespace osu.Game.Rulesets.Osu.Edit.Blueprints.Sliders
     {
         public new Slider HitObject => (Slider)base.HitObject;
 
+        [Resolved]
+        private OsuHitObjectComposer? composer { get; set; }
+
         private SliderBodyPiece bodyPiece = null!;
         private HitCirclePiece headCirclePiece = null!;
         private HitCirclePiece tailCirclePiece = null!;
@@ -40,15 +45,17 @@ namespace osu.Game.Rulesets.Osu.Edit.Blueprints.Sliders
         private int currentSegmentLength;
         private bool usingCustomSegmentType;
 
-        [Resolved]
-        private IPositionSnapProvider? positionSnapProvider { get; set; }
-
         [Resolved]
         private IDistanceSnapProvider? distanceSnapProvider { get; set; }
 
         [Resolved]
         private FreehandSliderToolboxGroup? freehandToolboxGroup { get; set; }
 
+        [Resolved]
+        private EditorClock? editorClock { get; set; }
+
+        private Bindable<bool> limitedDistanceSnap { get; set; } = null!;
+
         private readonly IncrementalBSplineBuilder bSplineBuilder = new IncrementalBSplineBuilder { Degree = 4 };
 
         protected override bool IsValidForPlacement => HitObject.Path.HasValidLength;
@@ -63,7 +70,7 @@ namespace osu.Game.Rulesets.Osu.Edit.Blueprints.Sliders
         }
 
         [BackgroundDependencyLoader]
-        private void load()
+        private void load(OsuConfigManager config)
         {
             InternalChildren = new Drawable[]
             {
@@ -74,6 +81,7 @@ namespace osu.Game.Rulesets.Osu.Edit.Blueprints.Sliders
             };
 
             state = SliderPlacementState.Initial;
+            limitedDistanceSnap = config.GetBindable<bool>(OsuSetting.EditorLimitedDistanceSnap);
         }
 
         protected override void LoadComplete()
@@ -106,9 +114,15 @@ namespace osu.Game.Rulesets.Osu.Edit.Blueprints.Sliders
         [Resolved]
         private EditorBeatmap editorBeatmap { get; set; } = null!;
 
-        public override void UpdateTimeAndPosition(SnapResult result)
+        public override SnapResult UpdateTimeAndPosition(Vector2 screenSpacePosition, double fallbackTime)
         {
-            base.UpdateTimeAndPosition(result);
+            var result = composer?.TrySnapToNearbyObjects(screenSpacePosition, fallbackTime);
+            result ??= composer?.TrySnapToDistanceGrid(screenSpacePosition, limitedDistanceSnap.Value && editorClock != null ? editorClock.CurrentTime : null);
+            if (composer?.TrySnapToPositionGrid(result?.ScreenSpacePosition ?? screenSpacePosition, result?.Time ?? fallbackTime) is SnapResult gridSnapResult)
+                result = gridSnapResult;
+            result ??= new SnapResult(screenSpacePosition, fallbackTime);
+
+            base.UpdateTimeAndPosition(result.ScreenSpacePosition, result.Time ?? fallbackTime);
 
             switch (state)
             {
@@ -131,6 +145,8 @@ namespace osu.Game.Rulesets.Osu.Edit.Blueprints.Sliders
                     updateCursor();
                     break;
             }
+
+            return result;
         }
 
         protected override bool OnMouseDown(MouseDownEvent e)
@@ -375,7 +391,17 @@ namespace osu.Game.Rulesets.Osu.Edit.Blueprints.Sliders
 
         private Vector2 getCursorPosition()
         {
-            var result = positionSnapProvider?.FindSnappedPositionAndTime(inputManager.CurrentState.Mouse.Position, state == SliderPlacementState.ControlPoints ? SnapType.GlobalGrids : SnapType.All);
+            SnapResult? result = null;
+            var mousePosition = inputManager.CurrentState.Mouse.Position;
+
+            if (state != SliderPlacementState.ControlPoints)
+            {
+                result ??= composer?.TrySnapToNearbyObjects(mousePosition);
+                result ??= composer?.TrySnapToDistanceGrid(mousePosition);
+            }
+
+            result ??= composer?.TrySnapToPositionGrid(mousePosition);
+
             return ToLocalSpace(result?.ScreenSpacePosition ?? inputManager.CurrentState.Mouse.Position) - HitObject.Position;
         }
 

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

@@ -1,6 +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.
 
+using System.Collections.Generic;
+using System.Linq;
+using osu.Framework.Allocation;
+using osu.Framework.Bindables;
+using osu.Framework.Input.Events;
+using osu.Game.Configuration;
 using osu.Game.Rulesets.Edit;
 using osu.Game.Rulesets.Objects;
 using osu.Game.Rulesets.Osu.Edit.Blueprints.HitCircles;
@@ -8,16 +14,27 @@ using osu.Game.Rulesets.Osu.Edit.Blueprints.Sliders;
 using osu.Game.Rulesets.Osu.Edit.Blueprints.Spinners;
 using osu.Game.Rulesets.Osu.Objects;
 using osu.Game.Screens.Edit.Compose.Components;
+using osuTK;
 
 namespace osu.Game.Rulesets.Osu.Edit
 {
     public partial class OsuBlueprintContainer : ComposeBlueprintContainer
     {
-        public OsuBlueprintContainer(HitObjectComposer composer)
+        private Bindable<bool> limitedDistanceSnap { get; set; } = null!;
+
+        public new OsuHitObjectComposer Composer => (OsuHitObjectComposer)base.Composer;
+
+        public OsuBlueprintContainer(OsuHitObjectComposer composer)
             : base(composer)
         {
         }
 
+        [BackgroundDependencyLoader]
+        private void load(OsuConfigManager config)
+        {
+            limitedDistanceSnap = config.GetBindable<bool>(OsuSetting.EditorLimitedDistanceSnap);
+        }
+
         protected override SelectionHandler<HitObject> CreateSelectionHandler() => new OsuSelectionHandler();
 
         public override HitObjectSelectionBlueprint? CreateHitObjectBlueprintFor(HitObject hitObject)
@@ -36,5 +53,68 @@ namespace osu.Game.Rulesets.Osu.Edit
 
             return base.CreateHitObjectBlueprintFor(hitObject);
         }
+
+        protected override bool TryMoveBlueprints(DragEvent e, IList<(SelectionBlueprint<HitObject> blueprint, Vector2[] originalSnapPositions)> blueprints)
+        {
+            Vector2 distanceTravelled = e.ScreenSpaceMousePosition - e.ScreenSpaceMouseDownPosition;
+
+            for (int i = 0; i < blueprints.Count; i++)
+            {
+                if (checkSnappingBlueprintToNearbyObjects(blueprints[i].blueprint, distanceTravelled, blueprints[i].originalSnapPositions))
+                    return true;
+            }
+
+            // if no positional snapping could be performed, try unrestricted snapping from the earliest
+            // item in the selection.
+
+            // The final movement position, relative to movementBlueprintOriginalPosition.
+            Vector2 movePosition = blueprints.First().originalSnapPositions.First() + distanceTravelled;
+            var referenceBlueprint = blueprints.First().blueprint;
+
+            // Retrieve a snapped position.
+            var result = Composer.TrySnapToNearbyObjects(movePosition);
+            result ??= Composer.TrySnapToDistanceGrid(movePosition, limitedDistanceSnap.Value ? referenceBlueprint.Item.StartTime : null);
+            if (Composer.TrySnapToPositionGrid(result?.ScreenSpacePosition ?? movePosition, result?.Time) is SnapResult gridSnapResult)
+                result = gridSnapResult;
+            result ??= new SnapResult(movePosition, null);
+
+            bool moved = SelectionHandler.HandleMovement(new MoveSelectionEvent<HitObject>(referenceBlueprint, result.ScreenSpacePosition - referenceBlueprint.ScreenSpaceSelectionPoint));
+            if (moved)
+                ApplySnapResultTime(result, referenceBlueprint.Item.StartTime);
+            return moved;
+        }
+
+        /// <summary>
+        /// Check for positional snap for given blueprint.
+        /// </summary>
+        /// <param name="blueprint">The blueprint to check for snapping.</param>
+        /// <param name="distanceTravelled">Distance travelled since start of dragging action.</param>
+        /// <param name="originalPositions">The snap positions of blueprint before start of dragging action.</param>
+        /// <returns>Whether an object to snap to was found.</returns>
+        private bool checkSnappingBlueprintToNearbyObjects(SelectionBlueprint<HitObject> blueprint, Vector2 distanceTravelled, Vector2[] originalPositions)
+        {
+            var currentPositions = blueprint.ScreenSpaceSnapPoints;
+
+            for (int i = 0; i < originalPositions.Length; i++)
+            {
+                Vector2 originalPosition = originalPositions[i];
+                var testPosition = originalPosition + distanceTravelled;
+
+                var positionalResult = Composer.TrySnapToNearbyObjects(testPosition);
+
+                if (positionalResult == null || positionalResult.ScreenSpacePosition == testPosition) continue;
+
+                var delta = positionalResult.ScreenSpacePosition - currentPositions[i];
+
+                // attempt to move the objects, and apply any time based snapping if we can.
+                if (SelectionHandler.HandleMovement(new MoveSelectionEvent<HitObject>(blueprint, delta)))
+                {
+                    ApplySnapResultTime(positionalResult, blueprint.Item.StartTime);
+                    return true;
+                }
+            }
+
+            return false;
+        }
     }
 }

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

@@ -7,6 +7,7 @@ using System;
 using System.Collections.Generic;
 using System.Linq;
 using System.Text.RegularExpressions;
+using JetBrains.Annotations;
 using osu.Framework.Allocation;
 using osu.Framework.Bindables;
 using osu.Framework.Caching;
@@ -31,6 +32,7 @@ using osuTK;
 
 namespace osu.Game.Rulesets.Osu.Edit
 {
+    [Cached]
     public partial class OsuHitObjectComposer : HitObjectComposer<OsuHitObject>
     {
         public OsuHitObjectComposer(Ruleset ruleset)
@@ -222,56 +224,56 @@ namespace osu.Game.Rulesets.Osu.Edit
             }
         }
 
-        public override SnapResult FindSnappedPositionAndTime(Vector2 screenSpacePosition, SnapType snapType = SnapType.All)
+        [CanBeNull]
+        public SnapResult TrySnapToNearbyObjects(Vector2 screenSpacePosition, double? fallbackTime = null)
         {
-            if (snapType.HasFlag(SnapType.NearbyObjects) && snapToVisibleBlueprints(screenSpacePosition, out var snapResult))
+            if (!snapToVisibleBlueprints(screenSpacePosition, out var snapResult))
-            {
+                return null;
-                // In the case of snapping to nearby objects, a time value is not provided.
-                // This matches the stable editor (which also uses current time), but with the introduction of time-snapping distance snap
-                // this could result in unexpected behaviour when distance snapping is turned on and a user attempts to place an object that is
-                // BOTH on a valid distance snap ring, and also at the same position as a previous object.
-                //
-                // 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.HasFlag(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))
-                        snapResult.Time = distanceSnappedTime;
-                }
 
+            if (DistanceSnapProvider.DistanceSnapToggle.Value != TernaryState.True || distanceSnapGrid == null)
                 return snapResult;
-            }
 
-            SnapResult result = base.FindSnappedPositionAndTime(screenSpacePosition, snapType);
+            // In the case of snapping to nearby objects, a time value is not provided.
+            // This matches the stable editor (which also uses current time), but with the introduction of time-snapping distance snap
+            // this could result in unexpected behaviour when distance snapping is turned on and a user attempts to place an object that is
+            // BOTH on a valid distance snap ring, and also at the same position as a previous object.
+            //
+            // 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.
+            (Vector2 distanceSnappedPosition, double distanceSnappedTime) = distanceSnapGrid.GetSnappedPosition(distanceSnapGrid.ToLocalSpace(snapResult.ScreenSpacePosition));
+            snapResult.Time = Precision.AlmostEquals(distanceSnapGrid.ToScreenSpace(distanceSnappedPosition), snapResult.ScreenSpacePosition, 1)
+                ? distanceSnappedTime
+                : fallbackTime;
 
-            if (snapType.HasFlag(SnapType.RelativeGrids))
+            return snapResult;
-            {
+        }
-                if (DistanceSnapProvider.DistanceSnapToggle.Value == TernaryState.True && distanceSnapGrid != null)
-                {
-                    (Vector2 pos, double time) = distanceSnapGrid.GetSnappedPosition(distanceSnapGrid.ToLocalSpace(screenSpacePosition));
 
-                    result.ScreenSpacePosition = distanceSnapGrid.ToScreenSpace(pos);
+        [CanBeNull]
-                    result.Time = time;
+        public SnapResult TrySnapToDistanceGrid(Vector2 screenSpacePosition, double? fixedTime = null)
-                }
+        {
-            }
+            if (DistanceSnapProvider.DistanceSnapToggle.Value != TernaryState.True || distanceSnapGrid == null)
+                return null;
 
-            if (snapType.HasFlag(SnapType.GlobalGrids))
+            var playfield = PlayfieldAtScreenSpacePosition(screenSpacePosition);
-            {
+            (Vector2 pos, double time) = distanceSnapGrid.GetSnappedPosition(distanceSnapGrid.ToLocalSpace(screenSpacePosition), fixedTime);
-                if (rectangularGridSnapToggle.Value == TernaryState.True)
+            return new SnapResult(distanceSnapGrid.ToScreenSpace(pos), time, playfield);
-                {
+        }
-                    Vector2 pos = positionSnapGrid.GetSnappedPosition(positionSnapGrid.ToLocalSpace(result.ScreenSpacePosition));
 
-                    // A grid which doesn't perfectly fit the playfield can produce a position that is outside of the playfield.
+        [CanBeNull]
-                    // We need to clamp the position to the playfield bounds to ensure that the snapped position is always in bounds.
+        public SnapResult TrySnapToPositionGrid(Vector2 screenSpacePosition, double? fallbackTime = null)
-                    pos = Vector2.Clamp(pos, Vector2.Zero, OsuPlayfield.BASE_SIZE);
+        {
+            if (rectangularGridSnapToggle.Value != TernaryState.True)
+                return null;
 
-                    result.ScreenSpacePosition = positionSnapGrid.ToScreenSpace(pos);
+            Vector2 pos = positionSnapGrid.GetSnappedPosition(positionSnapGrid.ToLocalSpace(screenSpacePosition));
-                }
-            }
 
-            return result;
+            // A grid which doesn't perfectly fit the playfield can produce a position that is outside of the playfield.
+            // We need to clamp the position to the playfield bounds to ensure that the snapped position is always in bounds.
+            pos = Vector2.Clamp(pos, Vector2.Zero, OsuPlayfield.BASE_SIZE);
+
+            var playfield = PlayfieldAtScreenSpacePosition(screenSpacePosition);
+            return new SnapResult(positionSnapGrid.ToScreenSpace(pos), fallbackTime, playfield);
         }
 
         private bool snapToVisibleBlueprints(Vector2 screenSpacePosition, out SnapResult snapResult)

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

@@ -17,7 +17,7 @@ namespace osu.Game.Rulesets.Osu.Mods
         public override LocalisableString Description => "Flip objects on the chosen axes.";
         public override Type[] IncompatibleMods => new[] { typeof(ModHardRock) };
 
-        [SettingSource("Mirrored axes", "Choose which axes objects are mirrored over.")]
+        [SettingSource("Flipped axes")]
         public Bindable<MirrorType> Reflection { get; } = new Bindable<MirrorType>();
 
         public void ApplyToHitObject(HitObject hitObject)

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

@@ -1,6 +1,7 @@
 // Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
 // See the LICENCE file in the repository root for full licence text.
 
+using osu.Framework.Allocation;
 using osu.Framework.Input.Events;
 using osu.Game.Rulesets.Edit;
 using osu.Game.Rulesets.Taiko.Objects;
@@ -16,6 +17,9 @@ namespace osu.Game.Rulesets.Taiko.Edit.Blueprints
 
         public new Hit HitObject => (Hit)base.HitObject;
 
+        [Resolved]
+        private TaikoHitObjectComposer? composer { get; set; }
+
         public HitPlacementBlueprint()
             : base(new Hit())
         {
@@ -40,10 +44,12 @@ namespace osu.Game.Rulesets.Taiko.Edit.Blueprints
             return true;
         }
 
-        public override void UpdateTimeAndPosition(SnapResult result)
+        public override SnapResult UpdateTimeAndPosition(Vector2 screenSpacePosition, double fallbackTime)
         {
+            var result = composer?.FindSnappedPositionAndTime(screenSpacePosition) ?? new SnapResult(screenSpacePosition, fallbackTime);
             piece.Position = ToLocalSpace(result.ScreenSpacePosition);
-            base.UpdateTimeAndPosition(result);
+            base.UpdateTimeAndPosition(result.ScreenSpacePosition, result.Time ?? fallbackTime);
+            return result;
         }
     }
 }

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

@@ -1,9 +1,8 @@
 // Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
 // See the LICENCE file in the repository root for full licence text.
 
-#nullable disable
-
 using System;
+using osu.Framework.Allocation;
 using osu.Framework.Graphics;
 using osu.Framework.Input.Events;
 using osu.Framework.Utils;
@@ -26,12 +25,15 @@ namespace osu.Game.Rulesets.Taiko.Edit.Blueprints
 
         private readonly IHasDuration spanPlacementObject;
 
+        [Resolved]
+        private TaikoHitObjectComposer? composer { get; set; }
+
         protected override bool IsValidForPlacement => Precision.DefinitelyBigger(spanPlacementObject.Duration, 0);
 
         public TaikoSpanPlacementBlueprint(HitObject hitObject)
             : base(hitObject)
         {
-            spanPlacementObject = hitObject as IHasDuration;
+            spanPlacementObject = (hitObject as IHasDuration)!;
 
             RelativeSizeAxes = Axes.Both;
 
@@ -79,9 +81,11 @@ namespace osu.Game.Rulesets.Taiko.Edit.Blueprints
             EndPlacement(true);
         }
 
-        public override void UpdateTimeAndPosition(SnapResult result)
+        public override SnapResult UpdateTimeAndPosition(Vector2 screenSpacePosition, double fallbackTime)
         {
-            base.UpdateTimeAndPosition(result);
+            var result = composer?.FindSnappedPositionAndTime(screenSpacePosition) ?? new SnapResult(screenSpacePosition, fallbackTime);
+
+            base.UpdateTimeAndPosition(result.ScreenSpacePosition, result.Time ?? fallbackTime);
 
             if (PlacementActive == PlacementState.Active)
             {
@@ -116,6 +120,8 @@ namespace osu.Game.Rulesets.Taiko.Edit.Blueprints
                     originalPosition = ToLocalSpace(result.ScreenSpacePosition);
                 }
             }
+
+            return result;
         }
     }
 }

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

@@ -1,16 +1,22 @@
 // Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
 // See the LICENCE file in the repository root for full licence text.
 
+using System.Collections.Generic;
+using System.Linq;
+using osu.Framework.Input.Events;
 using osu.Game.Rulesets.Edit;
 using osu.Game.Rulesets.Objects;
 using osu.Game.Rulesets.Taiko.Edit.Blueprints;
 using osu.Game.Screens.Edit.Compose.Components;
+using osuTK;
 
 namespace osu.Game.Rulesets.Taiko.Edit
 {
     public partial class TaikoBlueprintContainer : ComposeBlueprintContainer
     {
-        public TaikoBlueprintContainer(HitObjectComposer composer)
+        public new TaikoHitObjectComposer Composer => (TaikoHitObjectComposer)base.Composer;
+
+        public TaikoBlueprintContainer(TaikoHitObjectComposer composer)
             : base(composer)
         {
         }
@@ -19,5 +25,22 @@ namespace osu.Game.Rulesets.Taiko.Edit
 
         public override HitObjectSelectionBlueprint CreateHitObjectBlueprintFor(HitObject hitObject) =>
             new TaikoSelectionBlueprint(hitObject);
+
+        protected override bool TryMoveBlueprints(DragEvent e, IList<(SelectionBlueprint<HitObject> blueprint, Vector2[] originalSnapPositions)> blueprints)
+        {
+            Vector2 distanceTravelled = e.ScreenSpaceMousePosition - e.ScreenSpaceMouseDownPosition;
+
+            // The final movement position, relative to movementBlueprintOriginalPosition.
+            Vector2 movePosition = blueprints.First().originalSnapPositions.First() + distanceTravelled;
+
+            // Retrieve a snapped position.
+            var result = Composer.FindSnappedPositionAndTime(movePosition);
+
+            var referenceBlueprint = blueprints.First().blueprint;
+            bool moved = SelectionHandler.HandleMovement(new MoveSelectionEvent<HitObject>(referenceBlueprint, result.ScreenSpacePosition - referenceBlueprint.ScreenSpaceSelectionPoint));
+            if (moved)
+                ApplySnapResultTime(result, referenceBlueprint.Item.StartTime);
+            return moved;
+        }
     }
 }

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

@@ -2,6 +2,7 @@
 // See the LICENCE file in the repository root for full licence text.
 
 using System.Collections.Generic;
+using osu.Framework.Allocation;
 using osu.Game.Beatmaps;
 using osu.Game.Rulesets.Edit;
 using osu.Game.Rulesets.Edit.Tools;
@@ -12,6 +13,7 @@ using osu.Game.Screens.Edit.Compose.Components;
 
 namespace osu.Game.Rulesets.Taiko.Edit
 {
+    [Cached]
     public partial class TaikoHitObjectComposer : ScrollingHitObjectComposer<TaikoHitObject>
     {
         protected override bool ApplyHorizontalCentering => false;

osu.Game.Tests/NonVisual/Ranking/UnstableRateTest.cs

@@ -36,6 +36,10 @@ namespace osu.Game.Tests.NonVisual.Ranking
                                    .Select(t => new HitEvent(t - 5, 1.0, HitResult.Great, new HitObject(), null, null))
                                    .ToList();
 
+            // Add some red herrings
+            events.Insert(4, new HitEvent(200, 1.0, HitResult.Meh, new HitObject { HitWindows = HitWindows.Empty }, null, null));
+            events.Insert(8, new HitEvent(-100, 1.0, HitResult.Miss, new HitObject(), null, null));
+
             HitEventExtensions.UnstableRateCalculationResult result = null;
 
             for (int i = 0; i < events.Count; i++)
@@ -57,6 +61,10 @@ namespace osu.Game.Tests.NonVisual.Ranking
                                    .Select(t => new HitEvent(t - 5, 1.0, HitResult.Great, new HitObject(), null, null))
                                    .ToList();
 
+            // Add some red herrings
+            events.Insert(4, new HitEvent(200, 1.0, HitResult.Meh, new HitObject { HitWindows = HitWindows.Empty }, null, null));
+            events.Insert(8, new HitEvent(-100, 1.0, HitResult.Miss, new HitObject(), null, null));
+
             HitEventExtensions.UnstableRateCalculationResult result = null;
 
             for (int i = 0; i < events.Count; i++)

osu.Game.Tests/Visual/Editing/TestSceneDistanceSnapGrid.cs

@@ -181,7 +181,7 @@ namespace osu.Game.Tests.Visual.Editing
                 }
             }
 
-            public override (Vector2 position, double time) GetSnappedPosition(Vector2 screenSpacePosition)
+            public override (Vector2 position, double time) GetSnappedPosition(Vector2 screenSpacePosition, double? fixedTime = null)
                 => (Vector2.Zero, 0);
         }
 

osu.Game.Tests/Visual/Editing/TestSceneLocallyModifyingOnlineBeatmaps.cs

@@ -4,6 +4,7 @@
 using System.Linq;
 using NUnit.Framework;
 using osu.Framework.Extensions;
+using osu.Game.Beatmaps;
 using osu.Game.Database;
 using osu.Game.Tests.Resources;
 
@@ -25,13 +26,16 @@ namespace osu.Game.Tests.Visual.Editing
         [Test]
         public void TestLocallyModifyingOnlineBeatmap()
         {
+            string initialHash = string.Empty;
             AddAssert("editor beatmap has online ID", () => EditorBeatmap.BeatmapInfo.OnlineID, () => Is.GreaterThan(0));
+            AddStep("store hash for later", () => initialHash = EditorBeatmap.BeatmapInfo.MD5Hash);
 
             AddStep("delete first hitobject", () => EditorBeatmap.RemoveAt(0));
             SaveEditor();
 
             ReloadEditorToSameBeatmap();
-            AddAssert("editor beatmap online ID reset", () => EditorBeatmap.BeatmapInfo.OnlineID, () => Is.EqualTo(-1));
+            AddAssert("beatmap marked as locally modified", () => EditorBeatmap.BeatmapInfo.Status, () => Is.EqualTo(BeatmapOnlineStatus.LocallyModified));
+            AddAssert("beatmap hash changed", () => EditorBeatmap.BeatmapInfo.MD5Hash, () => Is.Not.EqualTo(initialHash));
         }
     }
 }

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

@@ -120,6 +120,7 @@ namespace osu.Game.Tests.Visual.Gameplay
             public double FramesPerSecond => throw new NotImplementedException();
             public FrameTimeInfo TimeInfo => throw new NotImplementedException();
             public double StartTime => throw new NotImplementedException();
+            public double GameplayStartTime => throw new NotImplementedException();
 
             public IAdjustableAudioComponent AdjustmentsFromMods => adjustableAudioComponent;
 

osu.Game.Tests/Visual/SongSelect/BeatmapCarouselV2TestScene.cs

@@ -0,0 +1,239 @@
+// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
+// See the LICENCE file in the repository root for full licence text.
+
+using System.Linq;
+using NUnit.Framework;
+using osu.Framework.Allocation;
+using osu.Framework.Bindables;
+using osu.Framework.Extensions.ObjectExtensions;
+using osu.Framework.Graphics;
+using osu.Framework.Graphics.Containers;
+using osu.Framework.Graphics.Shapes;
+using osu.Framework.Testing;
+using osu.Framework.Utils;
+using osu.Game.Beatmaps;
+using osu.Game.Database;
+using osu.Game.Graphics;
+using osu.Game.Graphics.Containers;
+using osu.Game.Screens.Select;
+using osu.Game.Screens.Select.Filter;
+using osu.Game.Screens.SelectV2;
+using osu.Game.Tests.Beatmaps;
+using osu.Game.Tests.Resources;
+using osuTK.Graphics;
+using osuTK.Input;
+using BeatmapCarousel = osu.Game.Screens.SelectV2.BeatmapCarousel;
+
+namespace osu.Game.Tests.Visual.SongSelect
+{
+    public abstract partial class BeatmapCarouselV2TestScene : OsuManualInputManagerTestScene
+    {
+        protected readonly BindableList<BeatmapSetInfo> BeatmapSets = new BindableList<BeatmapSetInfo>();
+
+        protected BeatmapCarousel Carousel = null!;
+
+        protected OsuScrollContainer<Drawable> Scroll => Carousel.ChildrenOfType<OsuScrollContainer<Drawable>>().Single();
+
+        [Cached(typeof(BeatmapStore))]
+        private BeatmapStore store;
+
+        private OsuTextFlowContainer stats = null!;
+
+        private int beatmapCount;
+
+        protected BeatmapCarouselV2TestScene()
+        {
+            store = new TestBeatmapStore
+            {
+                BeatmapSets = { BindTarget = BeatmapSets }
+            };
+
+            BeatmapSets.BindCollectionChanged((_, _) => beatmapCount = BeatmapSets.Sum(s => s.Beatmaps.Count));
+
+            Scheduler.AddDelayed(updateStats, 100, true);
+        }
+
+        [SetUpSteps]
+        public virtual void SetUpSteps()
+        {
+            RemoveAllBeatmaps();
+
+            CreateCarousel();
+
+            SortBy(new FilterCriteria { Sort = SortMode.Title });
+        }
+
+        protected void CreateCarousel()
+        {
+            AddStep("create components", () =>
+            {
+                Box topBox;
+                Children = new Drawable[]
+                {
+                    new GridContainer
+                    {
+                        RelativeSizeAxes = Axes.Both,
+                        ColumnDimensions = new[]
+                        {
+                            new Dimension(GridSizeMode.Relative, 1),
+                        },
+                        RowDimensions = new[]
+                        {
+                            new Dimension(GridSizeMode.Absolute, 200),
+                            new Dimension(),
+                            new Dimension(GridSizeMode.Absolute, 200),
+                        },
+                        Content = new[]
+                        {
+                            new Drawable[]
+                            {
+                                topBox = new Box
+                                {
+                                    Anchor = Anchor.Centre,
+                                    Origin = Anchor.Centre,
+                                    Colour = Color4.Cyan,
+                                    RelativeSizeAxes = Axes.Both,
+                                    Alpha = 0.4f,
+                                },
+                            },
+                            new Drawable[]
+                            {
+                                Carousel = new BeatmapCarousel
+                                {
+                                    Anchor = Anchor.Centre,
+                                    Origin = Anchor.Centre,
+                                    Width = 500,
+                                    RelativeSizeAxes = Axes.Y,
+                                },
+                            },
+                            new[]
+                            {
+                                new Box
+                                {
+                                    Anchor = Anchor.Centre,
+                                    Origin = Anchor.Centre,
+                                    Colour = Color4.Cyan,
+                                    RelativeSizeAxes = Axes.Both,
+                                    Alpha = 0.4f,
+                                },
+                                topBox.CreateProxy(),
+                            }
+                        }
+                    },
+                    stats = new OsuTextFlowContainer
+                    {
+                        AutoSizeAxes = Axes.Both,
+                        Padding = new MarginPadding(10),
+                        TextAnchor = Anchor.CentreLeft,
+                    },
+                };
+            });
+        }
+
+        protected void SortBy(FilterCriteria criteria) => AddStep($"sort {criteria.Sort} group {criteria.Group}", () => Carousel.Filter(criteria));
+
+        protected void WaitForDrawablePanels() => AddUntilStep("drawable panels loaded", () => Carousel.ChildrenOfType<ICarouselPanel>().Count(), () => Is.GreaterThan(0));
+        protected void WaitForSorting() => AddUntilStep("sorting finished", () => Carousel.IsFiltering, () => Is.False);
+        protected void WaitForScrolling() => AddUntilStep("scroll finished", () => Scroll.Current, () => Is.EqualTo(Scroll.Target));
+
+        protected void SelectNextPanel() => AddStep("select next panel", () => InputManager.Key(Key.Down));
+        protected void SelectPrevPanel() => AddStep("select prev panel", () => InputManager.Key(Key.Up));
+        protected void SelectNextGroup() => AddStep("select next group", () => InputManager.Key(Key.Right));
+        protected void SelectPrevGroup() => AddStep("select prev group", () => InputManager.Key(Key.Left));
+
+        protected void Select() => AddStep("select", () => InputManager.Key(Key.Enter));
+
+        protected void CheckNoSelection() => AddAssert("has no selection", () => Carousel.CurrentSelection, () => Is.Null);
+        protected void CheckHasSelection() => AddAssert("has selection", () => Carousel.CurrentSelection, () => Is.Not.Null);
+
+        protected void WaitForGroupSelection(int group, int panel)
+        {
+            AddUntilStep($"selected is group{group} panel{panel}", () =>
+            {
+                var groupingFilter = Carousel.Filters.OfType<BeatmapCarouselFilterGrouping>().Single();
+
+                GroupDefinition g = groupingFilter.GroupItems.Keys.ElementAt(group);
+                // offset by one because the group itself is included in the items list.
+                CarouselItem item = groupingFilter.GroupItems[g].ElementAt(panel + 1);
+
+                return ReferenceEquals(Carousel.CurrentSelection, item.Model);
+            });
+        }
+
+        protected void WaitForSelection(int set, int? diff = null)
+        {
+            AddUntilStep($"selected is set{set}{(diff.HasValue ? $" diff{diff.Value}" : "")}", () =>
+            {
+                if (diff != null)
+                    return ReferenceEquals(Carousel.CurrentSelection, BeatmapSets[set].Beatmaps[diff.Value]);
+
+                return BeatmapSets[set].Beatmaps.Contains(Carousel.CurrentSelection);
+            });
+        }
+
+        protected void ClickVisiblePanel<T>(int index)
+            where T : Drawable
+        {
+            AddStep($"click panel at index {index}", () =>
+            {
+                Carousel.ChildrenOfType<UserTrackingScrollContainer>().Single()
+                        .ChildrenOfType<T>()
+                        .Where(p => ((ICarouselPanel)p).Item?.IsVisible == true)
+                        .OrderBy(p => p.Y)
+                        .ElementAt(index)
+                        .TriggerClick();
+            });
+        }
+
+        /// <summary>
+        /// Add requested beatmap sets count to list.
+        /// </summary>
+        /// <param name="count">The count of beatmap sets to add.</param>
+        /// <param name="fixedDifficultiesPerSet">If not null, the number of difficulties per set. If null, randomised difficulty count will be used.</param>
+        protected void AddBeatmaps(int count, int? fixedDifficultiesPerSet = null) => AddStep($"add {count} beatmaps", () =>
+        {
+            for (int i = 0; i < count; i++)
+                BeatmapSets.Add(TestResources.CreateTestBeatmapSetInfo(fixedDifficultiesPerSet ?? RNG.Next(1, 4)));
+        });
+
+        protected void RemoveAllBeatmaps() => AddStep("clear all beatmaps", () => BeatmapSets.Clear());
+
+        protected void RemoveFirstBeatmap() =>
+            AddStep("remove first beatmap", () =>
+            {
+                if (BeatmapSets.Count == 0) return;
+
+                BeatmapSets.Remove(BeatmapSets.First());
+            });
+
+        private void updateStats()
+        {
+            if (Carousel.IsNull())
+                return;
+
+            stats.Clear();
+            createHeader("beatmap store");
+            stats.AddParagraph($"""
+                                sets: {BeatmapSets.Count}
+                                beatmaps: {beatmapCount}
+                                """);
+            createHeader("carousel");
+            stats.AddParagraph($"""
+                                sorting: {Carousel.IsFiltering}
+                                tracked: {Carousel.ItemsTracked}
+                                displayable: {Carousel.DisplayableItems}
+                                displayed: {Carousel.VisibleItems}
+                                selected: {Carousel.CurrentSelection}
+                                """);
+
+            void createHeader(string text)
+            {
+                stats.AddParagraph(string.Empty);
+                stats.AddParagraph(text, cp =>
+                {
+                    cp.Font = cp.Font.With(size: 18, weight: FontWeight.Bold);
+                });
+            }
+        }
+    }
+}

osu.Game.Tests/Visual/SongSelect/TestSceneBeatmapCarouselV2.cs

@@ -1,286 +0,0 @@
-// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
-// See the LICENCE file in the repository root for full licence text.
-
-using System.Collections.Generic;
-using System.Linq;
-using System.Threading.Tasks;
-using NUnit.Framework;
-using osu.Framework.Allocation;
-using osu.Framework.Bindables;
-using osu.Framework.Extensions.ObjectExtensions;
-using osu.Framework.Graphics;
-using osu.Framework.Graphics.Containers;
-using osu.Framework.Graphics.Primitives;
-using osu.Framework.Graphics.Shapes;
-using osu.Framework.Testing;
-using osu.Framework.Utils;
-using osu.Game.Beatmaps;
-using osu.Game.Database;
-using osu.Game.Graphics;
-using osu.Game.Graphics.Containers;
-using osu.Game.Screens.Select;
-using osu.Game.Screens.Select.Filter;
-using osu.Game.Screens.SelectV2;
-using osu.Game.Tests.Beatmaps;
-using osu.Game.Tests.Resources;
-using osuTK.Graphics;
-using BeatmapCarousel = osu.Game.Screens.SelectV2.BeatmapCarousel;
-
-namespace osu.Game.Tests.Visual.SongSelect
-{
-    [TestFixture]
-    public partial class TestSceneBeatmapCarouselV2 : OsuManualInputManagerTestScene
-    {
-        private readonly BindableList<BeatmapSetInfo> beatmapSets = new BindableList<BeatmapSetInfo>();
-
-        [Cached(typeof(BeatmapStore))]
-        private BeatmapStore store;
-
-        private OsuTextFlowContainer stats = null!;
-        private BeatmapCarousel carousel = null!;
-
-        private OsuScrollContainer<Drawable> scroll => carousel.ChildrenOfType<OsuScrollContainer<Drawable>>().Single();
-
-        private int beatmapCount;
-
-        public TestSceneBeatmapCarouselV2()
-        {
-            store = new TestBeatmapStore
-            {
-                BeatmapSets = { BindTarget = beatmapSets }
-            };
-
-            beatmapSets.BindCollectionChanged((_, _) =>
-            {
-                beatmapCount = beatmapSets.Sum(s => s.Beatmaps.Count);
-            });
-
-            Scheduler.AddDelayed(updateStats, 100, true);
-        }
-
-        [SetUpSteps]
-        public void SetUpSteps()
-        {
-            AddStep("create components", () =>
-            {
-                beatmapSets.Clear();
-
-                Box topBox;
-                Children = new Drawable[]
-                {
-                    new GridContainer
-                    {
-                        RelativeSizeAxes = Axes.Both,
-                        ColumnDimensions = new[]
-                        {
-                            new Dimension(GridSizeMode.Relative, 1),
-                        },
-                        RowDimensions = new[]
-                        {
-                            new Dimension(GridSizeMode.Absolute, 200),
-                            new Dimension(),
-                            new Dimension(GridSizeMode.Absolute, 200),
-                        },
-                        Content = new[]
-                        {
-                            new Drawable[]
-                            {
-                                topBox = new Box
-                                {
-                                    Anchor = Anchor.Centre,
-                                    Origin = Anchor.Centre,
-                                    Colour = Color4.Cyan,
-                                    RelativeSizeAxes = Axes.Both,
-                                    Alpha = 0.4f,
-                                },
-                            },
-                            new Drawable[]
-                            {
-                                carousel = new BeatmapCarousel
-                                {
-                                    Anchor = Anchor.Centre,
-                                    Origin = Anchor.Centre,
-                                    Width = 500,
-                                    RelativeSizeAxes = Axes.Y,
-                                },
-                            },
-                            new[]
-                            {
-                                new Box
-                                {
-                                    Anchor = Anchor.Centre,
-                                    Origin = Anchor.Centre,
-                                    Colour = Color4.Cyan,
-                                    RelativeSizeAxes = Axes.Both,
-                                    Alpha = 0.4f,
-                                },
-                                topBox.CreateProxy(),
-                            }
-                        }
-                    },
-                    stats = new OsuTextFlowContainer
-                    {
-                        AutoSizeAxes = Axes.Both,
-                        Padding = new MarginPadding(10),
-                        TextAnchor = Anchor.CentreLeft,
-                    },
-                };
-            });
-
-            AddStep("sort by title", () =>
-            {
-                carousel.Filter(new FilterCriteria { Sort = SortMode.Title });
-            });
-        }
-
-        [Test]
-        public void TestBasic()
-        {
-            AddStep("add 10 beatmaps", () =>
-            {
-                for (int i = 0; i < 10; i++)
-                    beatmapSets.Add(TestResources.CreateTestBeatmapSetInfo(RNG.Next(1, 4)));
-            });
-
-            AddStep("add 1 beatmap", () => beatmapSets.Add(TestResources.CreateTestBeatmapSetInfo(RNG.Next(1, 4))));
-
-            AddStep("remove all beatmaps", () => beatmapSets.Clear());
-        }
-
-        [Test]
-        public void TestSorting()
-        {
-            AddStep("add 10 beatmaps", () =>
-            {
-                for (int i = 0; i < 10; i++)
-                    beatmapSets.Add(TestResources.CreateTestBeatmapSetInfo(RNG.Next(1, 4)));
-            });
-
-            AddStep("sort by difficulty", () =>
-            {
-                carousel.Filter(new FilterCriteria { Sort = SortMode.Difficulty });
-            });
-
-            AddStep("sort by artist", () =>
-            {
-                carousel.Filter(new FilterCriteria { Sort = SortMode.Artist });
-            });
-        }
-
-        [Test]
-        public void TestScrollPositionMaintainedOnAddSecondSelected()
-        {
-            Quad positionBefore = default;
-
-            AddStep("add 10 beatmaps", () =>
-            {
-                for (int i = 0; i < 10; i++)
-                    beatmapSets.Add(TestResources.CreateTestBeatmapSetInfo(RNG.Next(1, 4)));
-            });
-
-            AddUntilStep("visual item added", () => carousel.ChildrenOfType<BeatmapCarouselPanel>().Count(), () => Is.GreaterThan(0));
-
-            AddStep("select middle beatmap", () => carousel.CurrentSelection = beatmapSets.ElementAt(beatmapSets.Count - 2));
-            AddStep("scroll to selected item", () => scroll.ScrollTo(scroll.ChildrenOfType<BeatmapCarouselPanel>().Single(p => p.Item!.Selected.Value)));
-
-            AddUntilStep("wait for scroll finished", () => scroll.Current, () => Is.EqualTo(scroll.Target));
-
-            AddStep("save selected screen position", () => positionBefore = carousel.ChildrenOfType<BeatmapCarouselPanel>().FirstOrDefault(p => p.Item!.Selected.Value)!.ScreenSpaceDrawQuad);
-
-            AddStep("remove first beatmap", () => beatmapSets.Remove(beatmapSets.Last()));
-            AddUntilStep("sorting finished", () => carousel.IsFiltering, () => Is.False);
-            AddAssert("select screen position unchanged", () => carousel.ChildrenOfType<BeatmapCarouselPanel>().Single(p => p.Item!.Selected.Value).ScreenSpaceDrawQuad,
-                () => Is.EqualTo(positionBefore));
-        }
-
-        [Test]
-        public void TestScrollPositionMaintainedOnAddLastSelected()
-        {
-            Quad positionBefore = default;
-
-            AddStep("add 10 beatmaps", () =>
-            {
-                for (int i = 0; i < 10; i++)
-                    beatmapSets.Add(TestResources.CreateTestBeatmapSetInfo(RNG.Next(1, 4)));
-            });
-
-            AddUntilStep("visual item added", () => carousel.ChildrenOfType<BeatmapCarouselPanel>().Count(), () => Is.GreaterThan(0));
-
-            AddStep("scroll to last item", () => scroll.ScrollToEnd(false));
-
-            AddStep("select last beatmap", () => carousel.CurrentSelection = beatmapSets.First());
-
-            AddUntilStep("wait for scroll finished", () => scroll.Current, () => Is.EqualTo(scroll.Target));
-
-            AddStep("save selected screen position", () => positionBefore = carousel.ChildrenOfType<BeatmapCarouselPanel>().FirstOrDefault(p => p.Item!.Selected.Value)!.ScreenSpaceDrawQuad);
-
-            AddStep("remove first beatmap", () => beatmapSets.Remove(beatmapSets.Last()));
-            AddUntilStep("sorting finished", () => carousel.IsFiltering, () => Is.False);
-            AddAssert("select screen position unchanged", () => carousel.ChildrenOfType<BeatmapCarouselPanel>().Single(p => p.Item!.Selected.Value).ScreenSpaceDrawQuad,
-                () => Is.EqualTo(positionBefore));
-        }
-
-        [Test]
-        public void TestAddRemoveOneByOne()
-        {
-            AddRepeatStep("add beatmaps", () => beatmapSets.Add(TestResources.CreateTestBeatmapSetInfo(RNG.Next(1, 4))), 20);
-
-            AddRepeatStep("remove beatmaps", () => beatmapSets.RemoveAt(RNG.Next(0, beatmapSets.Count)), 20);
-        }
-
-        [Test]
-        [Explicit]
-        public void TestInsane()
-        {
-            const int count = 200000;
-
-            List<BeatmapSetInfo> generated = new List<BeatmapSetInfo>();
-
-            AddStep($"populate {count} test beatmaps", () =>
-            {
-                generated.Clear();
-                Task.Run(() =>
-                {
-                    for (int j = 0; j < count; j++)
-                        generated.Add(TestResources.CreateTestBeatmapSetInfo(RNG.Next(1, 4)));
-                }).ConfigureAwait(true);
-            });
-
-            AddUntilStep("wait for beatmaps populated", () => generated.Count, () => Is.GreaterThan(count / 3));
-            AddUntilStep("this takes a while", () => generated.Count, () => Is.GreaterThan(count / 3 * 2));
-            AddUntilStep("maybe they are done now", () => generated.Count, () => Is.EqualTo(count));
-
-            AddStep("add all beatmaps", () => beatmapSets.AddRange(generated));
-        }
-
-        private void updateStats()
-        {
-            if (carousel.IsNull())
-                return;
-
-            stats.Clear();
-            createHeader("beatmap store");
-            stats.AddParagraph($"""
-                                sets: {beatmapSets.Count}
-                                beatmaps: {beatmapCount}
-                                """);
-            createHeader("carousel");
-            stats.AddParagraph($"""
-                                sorting: {carousel.IsFiltering}
-                                tracked: {carousel.ItemsTracked}
-                                displayable: {carousel.DisplayableItems}
-                                displayed: {carousel.VisibleItems}
-                                selected: {carousel.CurrentSelection}
-                                """);
-
-            void createHeader(string text)
-            {
-                stats.AddParagraph(string.Empty);
-                stats.AddParagraph(text, cp =>
-                {
-                    cp.Font = cp.Font.With(size: 18, weight: FontWeight.Bold);
-                });
-            }
-        }
-    }
-}

osu.Game.Tests/Visual/SongSelect/TestSceneBeatmapCarouselV2Basics.cs

@@ -0,0 +1,126 @@
+// 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 System.Threading.Tasks;
+using NUnit.Framework;
+using osu.Framework.Graphics.Primitives;
+using osu.Framework.Testing;
+using osu.Framework.Utils;
+using osu.Game.Beatmaps;
+using osu.Game.Screens.Select;
+using osu.Game.Screens.Select.Filter;
+using osu.Game.Screens.SelectV2;
+using osu.Game.Tests.Resources;
+
+namespace osu.Game.Tests.Visual.SongSelect
+{
+    /// <summary>
+    /// Currently covers adding and removing of items and scrolling.
+    /// If we add more tests here, these two categories can likely be split out into separate scenes.
+    /// </summary>
+    [TestFixture]
+    public partial class TestSceneBeatmapCarouselV2Basics : BeatmapCarouselV2TestScene
+    {
+        [Test]
+        public void TestBasics()
+        {
+            AddBeatmaps(1);
+            AddBeatmaps(10);
+            RemoveFirstBeatmap();
+            RemoveAllBeatmaps();
+        }
+
+        [Test]
+        public void TestOffScreenLoading()
+        {
+            AddStep("disable masking", () => Scroll.Masking = false);
+            AddStep("enable masking", () => Scroll.Masking = true);
+        }
+
+        [Test]
+        public void TestAddRemoveOneByOne()
+        {
+            AddRepeatStep("add beatmaps", () => BeatmapSets.Add(TestResources.CreateTestBeatmapSetInfo(RNG.Next(1, 4))), 20);
+            AddRepeatStep("remove beatmaps", () => BeatmapSets.RemoveAt(RNG.Next(0, BeatmapSets.Count)), 20);
+        }
+
+        [Test]
+        public void TestSorting()
+        {
+            AddBeatmaps(10);
+            SortBy(new FilterCriteria { Group = GroupMode.Difficulty, Sort = SortMode.Difficulty });
+            SortBy(new FilterCriteria { Sort = SortMode.Artist });
+        }
+
+        [Test]
+        public void TestScrollPositionMaintainedOnAddSecondSelected()
+        {
+            Quad positionBefore = default;
+
+            AddBeatmaps(10);
+            WaitForDrawablePanels();
+
+            AddStep("select middle beatmap", () => Carousel.CurrentSelection = BeatmapSets.ElementAt(BeatmapSets.Count - 2));
+            AddStep("scroll to selected item", () => Scroll.ScrollTo(Scroll.ChildrenOfType<BeatmapPanel>().Single(p => p.Selected.Value)));
+
+            WaitForScrolling();
+
+            AddStep("save selected screen position", () => positionBefore = Carousel.ChildrenOfType<BeatmapPanel>().FirstOrDefault(p => p.Selected.Value)!.ScreenSpaceDrawQuad);
+
+            RemoveFirstBeatmap();
+            WaitForSorting();
+
+            AddAssert("select screen position unchanged", () => Carousel.ChildrenOfType<BeatmapPanel>().Single(p => p.Selected.Value).ScreenSpaceDrawQuad,
+                () => Is.EqualTo(positionBefore));
+        }
+
+        [Test]
+        public void TestScrollPositionMaintainedOnAddLastSelected()
+        {
+            Quad positionBefore = default;
+
+            AddBeatmaps(10);
+            WaitForDrawablePanels();
+
+            AddStep("scroll to last item", () => Scroll.ScrollToEnd(false));
+
+            AddStep("select last beatmap", () => Carousel.CurrentSelection = BeatmapSets.Last());
+
+            WaitForScrolling();
+
+            AddStep("save selected screen position", () => positionBefore = Carousel.ChildrenOfType<BeatmapPanel>().FirstOrDefault(p => p.Selected.Value)!.ScreenSpaceDrawQuad);
+
+            RemoveFirstBeatmap();
+            WaitForSorting();
+            AddAssert("select screen position unchanged", () => Carousel.ChildrenOfType<BeatmapPanel>().Single(p => p.Selected.Value).ScreenSpaceDrawQuad,
+                () => Is.EqualTo(positionBefore));
+        }
+
+        [Test]
+        [Explicit]
+        public void TestPerformanceWithManyBeatmaps()
+        {
+            const int count = 200000;
+
+            List<BeatmapSetInfo> generated = new List<BeatmapSetInfo>();
+
+            AddStep($"populate {count} test beatmaps", () =>
+            {
+                generated.Clear();
+                Task.Run(() =>
+                {
+                    for (int j = 0; j < count; j++)
+                        generated.Add(TestResources.CreateTestBeatmapSetInfo(RNG.Next(1, 4)));
+                }).ConfigureAwait(true);
+            });
+
+            AddUntilStep("wait for beatmaps populated", () => generated.Count, () => Is.GreaterThan(count / 3));
+            AddUntilStep("this takes a while", () => generated.Count, () => Is.GreaterThan(count / 3 * 2));
+            AddUntilStep("maybe they are done now", () => generated.Count, () => Is.EqualTo(count));
+
+            AddStep("add all beatmaps", () => BeatmapSets.AddRange(generated));
+        }
+    }
+}

osu.Game.Tests/Visual/SongSelect/TestSceneBeatmapCarouselV2GroupSelection.cs

@@ -0,0 +1,158 @@
+// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
+// See the LICENCE file in the repository root for full licence text.
+
+using System.Linq;
+using NUnit.Framework;
+using osu.Framework.Testing;
+using osu.Game.Beatmaps;
+using osu.Game.Screens.Select;
+using osu.Game.Screens.Select.Filter;
+using osu.Game.Screens.SelectV2;
+
+namespace osu.Game.Tests.Visual.SongSelect
+{
+    [TestFixture]
+    public partial class TestSceneBeatmapCarouselV2GroupSelection : BeatmapCarouselV2TestScene
+    {
+        public override void SetUpSteps()
+        {
+            RemoveAllBeatmaps();
+
+            CreateCarousel();
+
+            SortBy(new FilterCriteria { Group = GroupMode.Difficulty, Sort = SortMode.Difficulty });
+        }
+
+        [Test]
+        public void TestOpenCloseGroupWithNoSelectionMouse()
+        {
+            AddBeatmaps(10, 5);
+            WaitForDrawablePanels();
+
+            AddAssert("no beatmaps visible", () => Carousel.ChildrenOfType<BeatmapPanel>().Count(p => p.Alpha > 0), () => Is.Zero);
+            CheckNoSelection();
+
+            ClickVisiblePanel<GroupPanel>(0);
+            AddUntilStep("some beatmaps visible", () => Carousel.ChildrenOfType<BeatmapPanel>().Count(p => p.Alpha > 0), () => Is.GreaterThan(0));
+            CheckNoSelection();
+
+            ClickVisiblePanel<GroupPanel>(0);
+            AddUntilStep("no beatmaps visible", () => Carousel.ChildrenOfType<BeatmapPanel>().Count(p => p.Alpha > 0), () => Is.Zero);
+            CheckNoSelection();
+        }
+
+        [Test]
+        public void TestOpenCloseGroupWithNoSelectionKeyboard()
+        {
+            AddBeatmaps(10, 5);
+            WaitForDrawablePanels();
+
+            AddAssert("no beatmaps visible", () => Carousel.ChildrenOfType<BeatmapPanel>().Count(p => p.Alpha > 0), () => Is.Zero);
+            CheckNoSelection();
+
+            SelectNextPanel();
+            Select();
+            AddUntilStep("some beatmaps visible", () => Carousel.ChildrenOfType<BeatmapPanel>().Count(p => p.Alpha > 0), () => Is.GreaterThan(0));
+            AddAssert("keyboard selected is expanded", () => getKeyboardSelectedPanel()?.Expanded.Value, () => Is.True);
+            CheckNoSelection();
+
+            Select();
+            AddUntilStep("no beatmaps visible", () => Carousel.ChildrenOfType<BeatmapPanel>().Count(p => p.Alpha > 0), () => Is.Zero);
+            AddAssert("keyboard selected is collapsed", () => getKeyboardSelectedPanel()?.Expanded.Value, () => Is.False);
+            CheckNoSelection();
+
+            GroupPanel? getKeyboardSelectedPanel() => Carousel.ChildrenOfType<GroupPanel>().SingleOrDefault(p => p.KeyboardSelected.Value);
+        }
+
+        [Test]
+        public void TestCarouselRemembersSelection()
+        {
+            AddBeatmaps(10);
+            WaitForDrawablePanels();
+
+            SelectNextGroup();
+
+            object? selection = null;
+
+            AddStep("store drawable selection", () => selection = getSelectedPanel()?.Item?.Model);
+
+            CheckHasSelection();
+            AddAssert("drawable selection non-null", () => selection, () => Is.Not.Null);
+            AddAssert("drawable selection matches carousel selection", () => selection, () => Is.EqualTo(Carousel.CurrentSelection));
+
+            RemoveAllBeatmaps();
+            AddUntilStep("no drawable selection", getSelectedPanel, () => Is.Null);
+
+            AddBeatmaps(10);
+            WaitForDrawablePanels();
+
+            CheckHasSelection();
+            AddAssert("no drawable selection", getSelectedPanel, () => Is.Null);
+
+            AddStep("add previous selection", () => BeatmapSets.Add(((BeatmapInfo)selection!).BeatmapSet!));
+
+            AddAssert("selection matches original carousel selection", () => selection, () => Is.EqualTo(Carousel.CurrentSelection));
+            AddUntilStep("drawable selection restored", () => getSelectedPanel()?.Item?.Model, () => Is.EqualTo(selection));
+            AddAssert("carousel item is visible", () => getSelectedPanel()?.Item?.IsVisible, () => Is.True);
+
+            ClickVisiblePanel<GroupPanel>(0);
+            AddUntilStep("carousel item not visible", getSelectedPanel, () => Is.Null);
+
+            ClickVisiblePanel<GroupPanel>(0);
+            AddUntilStep("carousel item is visible", () => getSelectedPanel()?.Item?.IsVisible, () => Is.True);
+
+            BeatmapPanel? getSelectedPanel() => Carousel.ChildrenOfType<BeatmapPanel>().SingleOrDefault(p => p.Selected.Value);
+        }
+
+        [Test]
+        public void TestGroupSelectionOnHeader()
+        {
+            AddBeatmaps(10, 3);
+            WaitForDrawablePanels();
+
+            SelectNextGroup();
+            WaitForGroupSelection(0, 0);
+
+            SelectPrevPanel();
+            SelectPrevGroup();
+            WaitForGroupSelection(2, 9);
+        }
+
+        [Test]
+        public void TestKeyboardSelection()
+        {
+            AddBeatmaps(10, 3);
+            WaitForDrawablePanels();
+
+            SelectNextPanel();
+            SelectNextPanel();
+            SelectNextPanel();
+            SelectNextPanel();
+            CheckNoSelection();
+
+            // open first group
+            Select();
+            CheckNoSelection();
+            AddUntilStep("some beatmaps visible", () => Carousel.ChildrenOfType<BeatmapPanel>().Count(p => p.Alpha > 0), () => Is.GreaterThan(0));
+
+            SelectNextPanel();
+            Select();
+            WaitForGroupSelection(0, 0);
+
+            SelectNextGroup();
+            WaitForGroupSelection(0, 1);
+
+            SelectNextGroup();
+            WaitForGroupSelection(0, 2);
+
+            SelectPrevGroup();
+            WaitForGroupSelection(0, 1);
+
+            SelectPrevGroup();
+            WaitForGroupSelection(0, 0);
+
+            SelectPrevGroup();
+            WaitForGroupSelection(2, 9);
+        }
+    }
+}

osu.Game.Tests/Visual/SongSelect/TestSceneBeatmapCarouselV2Selection.cs

@@ -0,0 +1,211 @@
+// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
+// See the LICENCE file in the repository root for full licence text.
+
+using System.Linq;
+using NUnit.Framework;
+using osu.Framework.Testing;
+using osu.Game.Beatmaps;
+using osu.Game.Screens.SelectV2;
+using osuTK.Input;
+
+namespace osu.Game.Tests.Visual.SongSelect
+{
+    [TestFixture]
+    public partial class TestSceneBeatmapCarouselV2Selection : BeatmapCarouselV2TestScene
+    {
+        /// <summary>
+        /// Keyboard selection via up and down arrows doesn't actually change the selection until
+        /// the select key is pressed.
+        /// </summary>
+        [Test]
+        public void TestKeyboardSelectionKeyRepeat()
+        {
+            AddBeatmaps(10);
+            WaitForDrawablePanels();
+            CheckNoSelection();
+
+            Select();
+            CheckNoSelection();
+
+            AddStep("press down arrow", () => InputManager.PressKey(Key.Down));
+            checkSelectionIterating(false);
+
+            AddStep("press up arrow", () => InputManager.PressKey(Key.Up));
+            checkSelectionIterating(false);
+
+            AddStep("release down arrow", () => InputManager.ReleaseKey(Key.Down));
+            checkSelectionIterating(false);
+
+            AddStep("release up arrow", () => InputManager.ReleaseKey(Key.Up));
+            checkSelectionIterating(false);
+
+            Select();
+            CheckHasSelection();
+        }
+
+        /// <summary>
+        /// Keyboard selection via left and right arrows moves between groups, updating the selection
+        /// immediately.
+        /// </summary>
+        [Test]
+        public void TestGroupSelectionKeyRepeat()
+        {
+            AddBeatmaps(10);
+            WaitForDrawablePanels();
+            CheckNoSelection();
+
+            AddStep("press right arrow", () => InputManager.PressKey(Key.Right));
+            checkSelectionIterating(true);
+
+            AddStep("press left arrow", () => InputManager.PressKey(Key.Left));
+            checkSelectionIterating(true);
+
+            AddStep("release right arrow", () => InputManager.ReleaseKey(Key.Right));
+            checkSelectionIterating(true);
+
+            AddStep("release left arrow", () => InputManager.ReleaseKey(Key.Left));
+            checkSelectionIterating(false);
+        }
+
+        [Test]
+        public void TestCarouselRemembersSelection()
+        {
+            AddBeatmaps(10);
+            WaitForDrawablePanels();
+
+            SelectNextGroup();
+
+            object? selection = null;
+
+            AddStep("store drawable selection", () => selection = getSelectedPanel()?.Item?.Model);
+
+            CheckHasSelection();
+            AddAssert("drawable selection non-null", () => selection, () => Is.Not.Null);
+            AddAssert("drawable selection matches carousel selection", () => selection, () => Is.EqualTo(Carousel.CurrentSelection));
+
+            RemoveAllBeatmaps();
+            AddUntilStep("no drawable selection", getSelectedPanel, () => Is.Null);
+
+            AddBeatmaps(10);
+            WaitForDrawablePanels();
+
+            CheckHasSelection();
+            AddAssert("no drawable selection", getSelectedPanel, () => Is.Null);
+
+            AddStep("add previous selection", () => BeatmapSets.Add(((BeatmapInfo)selection!).BeatmapSet!));
+
+            AddAssert("selection matches original carousel selection", () => selection, () => Is.EqualTo(Carousel.CurrentSelection));
+            AddUntilStep("drawable selection restored", () => getSelectedPanel()?.Item?.Model, () => Is.EqualTo(selection));
+            AddAssert("carousel item is visible", () => getSelectedPanel()?.Item?.IsVisible, () => Is.True);
+
+            BeatmapPanel? getSelectedPanel() => Carousel.ChildrenOfType<BeatmapPanel>().SingleOrDefault(p => p.Selected.Value);
+        }
+
+        [Test]
+        public void TestTraversalBeyondStart()
+        {
+            const int total_set_count = 200;
+
+            AddBeatmaps(total_set_count);
+            WaitForDrawablePanels();
+
+            SelectNextGroup();
+            WaitForSelection(0, 0);
+            SelectPrevGroup();
+            WaitForSelection(total_set_count - 1, 0);
+        }
+
+        [Test]
+        public void TestTraversalBeyondEnd()
+        {
+            const int total_set_count = 200;
+
+            AddBeatmaps(total_set_count);
+            WaitForDrawablePanels();
+
+            SelectPrevGroup();
+            WaitForSelection(total_set_count - 1, 0);
+            SelectNextGroup();
+            WaitForSelection(0, 0);
+        }
+
+        [Test]
+        public void TestGroupSelectionOnHeader()
+        {
+            AddBeatmaps(10, 3);
+            WaitForDrawablePanels();
+
+            SelectNextGroup();
+            SelectNextGroup();
+            WaitForSelection(1, 0);
+
+            SelectPrevPanel();
+            SelectPrevGroup();
+            WaitForSelection(0, 0);
+        }
+
+        [Test]
+        public void TestKeyboardSelection()
+        {
+            AddBeatmaps(10, 3);
+            WaitForDrawablePanels();
+
+            SelectNextPanel();
+            SelectNextPanel();
+            SelectNextPanel();
+            SelectNextPanel();
+            CheckNoSelection();
+
+            Select();
+            WaitForSelection(3, 0);
+
+            SelectNextPanel();
+            WaitForSelection(3, 0);
+
+            Select();
+            WaitForSelection(3, 1);
+
+            SelectNextPanel();
+            WaitForSelection(3, 1);
+
+            Select();
+            WaitForSelection(3, 2);
+
+            SelectNextPanel();
+            WaitForSelection(3, 2);
+
+            Select();
+            WaitForSelection(4, 0);
+        }
+
+        [Test]
+        public void TestEmptyTraversal()
+        {
+            SelectNextPanel();
+            CheckNoSelection();
+
+            SelectNextGroup();
+            CheckNoSelection();
+
+            SelectPrevPanel();
+            CheckNoSelection();
+
+            SelectPrevGroup();
+            CheckNoSelection();
+        }
+
+        private void checkSelectionIterating(bool isIterating)
+        {
+            object? selection = null;
+
+            for (int i = 0; i < 3; i++)
+            {
+                AddStep("store selection", () => selection = Carousel.CurrentSelection);
+                if (isIterating)
+                    AddUntilStep("selection changed", () => Carousel.CurrentSelection != selection);
+                else
+                    AddUntilStep("selection not changed", () => Carousel.CurrentSelection == selection);
+            }
+        }
+    }
+}

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

@@ -6,6 +6,7 @@ using osu.Framework.Graphics;
 using osu.Framework.Graphics.Containers;
 using osu.Framework.Graphics.Cursor;
 using osu.Game.Beatmaps;
+using osu.Game.Graphics.Containers;
 using osu.Game.Graphics.Cursor;
 using osu.Game.Graphics.UserInterfaceV2;
 using osu.Game.Localisation;
@@ -27,87 +28,102 @@ namespace osu.Game.Tests.Visual.UserInterface
             Child = new PopoverContainer
             {
                 RelativeSizeAxes = Axes.Both,
-                Child = new FillFlowContainer
+                Child = new OsuScrollContainer
                 {
-                    RelativeSizeAxes = Axes.Y,
+                    RelativeSizeAxes = Axes.Both,
-                    Anchor = Anchor.Centre,
+                    Child = new FillFlowContainer
-                    Origin = Anchor.Centre,
-                    Width = 400,
-                    Direction = FillDirection.Vertical,
-                    Spacing = new Vector2(5),
-                    Padding = new MarginPadding(10),
-                    Children = new Drawable[]
                     {
-                        new FormTextBox
+                        AutoSizeAxes = Axes.Y,
+                        Anchor = Anchor.Centre,
+                        Origin = Anchor.Centre,
+                        Width = 400,
+                        Direction = FillDirection.Vertical,
+                        Spacing = new Vector2(5),
+                        Padding = new MarginPadding(10),
+                        Children = new Drawable[]
                         {
-                            Caption = "Artist",
+                            new FormTextBox
-                            HintText = "Poot artist here!",
-                            PlaceholderText = "Here is an artist",
-                            TabbableContentContainer = this,
-                        },
-                        new FormTextBox
-                        {
-                            Caption = "Artist",
-                            HintText = "Poot artist here!",
-                            PlaceholderText = "Here is an artist",
-                            Current = { Disabled = true },
-                            TabbableContentContainer = this,
-                        },
-                        new FormNumberBox
-                        {
-                            Caption = "Number",
-                            HintText = "Insert your favourite number",
-                            PlaceholderText = "Mine is 42!",
-                            TabbableContentContainer = this,
-                        },
-                        new FormCheckBox
-                        {
-                            Caption = EditorSetupStrings.LetterboxDuringBreaks,
-                            HintText = EditorSetupStrings.LetterboxDuringBreaksDescription,
-                        },
-                        new FormCheckBox
-                        {
-                            Caption = EditorSetupStrings.LetterboxDuringBreaks,
-                            HintText = EditorSetupStrings.LetterboxDuringBreaksDescription,
-                            Current = { Disabled = true },
-                        },
-                        new FormSliderBar<float>
-                        {
-                            Caption = "Slider",
-                            Current = new BindableFloat
                             {
-                                MinValue = 0,
+                                Caption = "Artist",
-                                MaxValue = 10,
+                                HintText = "Poot artist here!",
-                                Value = 5,
+                                PlaceholderText = "Here is an artist",
-                                Precision = 0.1f,
+                                TabbableContentContainer = this,
                             },
-                            TabbableContentContainer = this,
+                            new FormTextBox
-                        },
-                        new FormEnumDropdown<CountdownType>
-                        {
-                            Caption = EditorSetupStrings.EnableCountdown,
-                            HintText = EditorSetupStrings.CountdownDescription,
-                        },
-                        new FormFileSelector
-                        {
-                            Caption = "File selector",
-                            PlaceholderText = "Select a file",
-                        },
-                        new FormBeatmapFileSelector(true)
-                        {
-                            Caption = "File selector with intermediate choice dialog",
-                            PlaceholderText = "Select a file",
-                        },
-                        new FormColourPalette
-                        {
-                            Caption = "Combo colours",
-                            Colours =
                             {
-                                Colour4.Red,
+                                Caption = "Artist",
-                                Colour4.Green,
+                                HintText = "Poot artist here!",
-                                Colour4.Blue,
+                                PlaceholderText = "Here is an artist",
-                                Colour4.Yellow,
+                                Current = { Disabled = true },
-                            }
+                                TabbableContentContainer = this,
+                            },
+                            new FormNumberBox(allowDecimals: true)
+                            {
+                                Caption = "Number",
+                                HintText = "Insert your favourite number",
+                                PlaceholderText = "Mine is 42!",
+                                TabbableContentContainer = this,
+                            },
+                            new FormCheckBox
+                            {
+                                Caption = EditorSetupStrings.LetterboxDuringBreaks,
+                                HintText = EditorSetupStrings.LetterboxDuringBreaksDescription,
+                            },
+                            new FormCheckBox
+                            {
+                                Caption = EditorSetupStrings.LetterboxDuringBreaks,
+                                HintText = EditorSetupStrings.LetterboxDuringBreaksDescription,
+                                Current = { Disabled = true },
+                            },
+                            new FormSliderBar<float>
+                            {
+                                Caption = "Slider",
+                                Current = new BindableFloat
+                                {
+                                    MinValue = 0,
+                                    MaxValue = 10,
+                                    Value = 5,
+                                    Precision = 0.1f,
+                                },
+                                TabbableContentContainer = this,
+                            },
+                            new FormEnumDropdown<CountdownType>
+                            {
+                                Caption = EditorSetupStrings.EnableCountdown,
+                                HintText = EditorSetupStrings.CountdownDescription,
+                            },
+                            new FormFileSelector
+                            {
+                                Caption = "File selector",
+                                PlaceholderText = "Select a file",
+                            },
+                            new FormBeatmapFileSelector(true)
+                            {
+                                Caption = "File selector with intermediate choice dialog",
+                                PlaceholderText = "Select a file",
+                            },
+                            new FormColourPalette
+                            {
+                                Caption = "Combo colours",
+                                Colours =
+                                {
+                                    Colour4.Red,
+                                    Colour4.Green,
+                                    Colour4.Blue,
+                                    Colour4.Yellow,
+                                }
+                            },
+                            new FormButton
+                            {
+                                Caption = "No text in button",
+                                Action = () => { },
+                            },
+                            new FormButton
+                            {
+                                Caption = "Text in button which is pretty long and is very likely to wrap",
+                                ButtonText = "Foo the bar",
+                                Action = () => { },
+                            },
                         },
                     },
                 },

osu.Game/Beatmaps/BeatmapManager.cs

@@ -475,11 +475,8 @@ namespace osu.Game.Beatmaps
             beatmapContent.BeatmapInfo = beatmapInfo;
 
             // Since now this is a locally-modified beatmap, we also set all relevant flags to indicate this.
-            // Importantly, the `ResetOnlineInfo()` call must happen before encoding, as online ID is encoded into the `.osu` file,
-            // which influences the beatmap checksums.
             beatmapInfo.LastLocalUpdate = DateTimeOffset.Now;
             beatmapInfo.Status = BeatmapOnlineStatus.LocallyModified;
-            beatmapInfo.ResetOnlineInfo();
 
             Realm.Write(r =>
             {

osu.Game/Beatmaps/Drawables/BundledBeatmapDownloader.cs

@@ -292,7 +292,7 @@ namespace osu.Game.Beatmaps.Drawables
             "1407228 II-L - VANGUARD-1.osz",
             "1422686 II-L - VANGUARD-2.osz",
             "1429217 Street - Phi.osz",
-            "1442235 2ToneDisco x Cosmicosmo - Shoelaces (feat. Puniden).osz",
+            "1442235 2ToneDisco x Cosmicosmo - Shoelaces (feat. Puniden).osz", // set is not marked as FA, but track is listed in https://osu.ppy.sh/beatmaps/artists/157
             "1447478 Cres. - End Time.osz",
             "1449942 m108 - Crescent Sakura.osz",
             "1463778 MuryokuP - A tree without a branch.osz",
@@ -336,8 +336,8 @@ namespace osu.Game.Beatmaps.Drawables
             "1854710 Blaster & Extra Terra - Spacecraft (Cut Ver.).osz",
             "1859322 Hino Isuka - Delightness Brightness.osz",
             "1884102 Maduk - Go (feat. Lachi) (Cut Ver.).osz",
-            "1884578 Neko Hacker - People People feat. Nanahira.osz",
+            "1884578 Neko Hacker - People People feat. Nanahira.osz", // set is not marked as FA, but track is listed in https://osu.ppy.sh/beatmaps/artists/266
-            "1897902 uma vs. Morimori Atsushi - Re: End of a Dream.osz",
+            "1897902 uma vs. Morimori Atsushi - Re: End of a Dream.osz", // set is not marked as FA, but track is listed in https://osu.ppy.sh/beatmaps/artists/108
             "1905582 KINEMA106 - Fly Away (Cut Ver.).osz",
             "1934686 ARForest - Rainbow Magic!!.osz",
             "1963076 METAROOM - S.N.U.F.F.Y.osz",
@@ -345,7 +345,6 @@ namespace osu.Game.Beatmaps.Drawables
             "1971951 James Landino - Shiba Paradise.osz",
             "1972518 Toromaru - Sleight of Hand.osz",
             "1982302 KINEMA106 - INVITE.osz",
-            "1983475 KNOWER - The Government Knows.osz",
             "2010165 Junk - Yellow Smile (bms edit).osz",
             "2022737 Andora - Euphoria (feat. WaMi).osz",
             "2025023 tephe - Genjitsu Escape.osz",

osu.Game/Beatmaps/Formats/LegacyBeatmapEncoder.cs

@@ -447,60 +447,31 @@ namespace osu.Game.Beatmaps.Formats
 
         private void addPathData(TextWriter writer, IHasPath pathData, Vector2 position)
         {
-            PathType? lastType = null;
-
             for (int i = 0; i < pathData.Path.ControlPoints.Count; i++)
             {
                 PathControlPoint point = pathData.Path.ControlPoints[i];
 
+                // Note that lazer's encoding format supports specifying multiple curve types for a slider path, which is not supported by stable.
+                // Backwards compatibility with stable is handled by `LegacyBeatmapExporter` and `BezierConverter.ConvertToModernBezier()`.
                 if (point.Type != null)
                 {
-                    // We've reached a new (explicit) segment!
+                    switch (point.Type?.Type)
-
-                    // Explicit segments have a new format in which the type is injected into the middle of the control point string.
-                    // To preserve compatibility with osu-stable as much as possible, explicit segments with the same type are converted to use implicit segments by duplicating the control point.
-                    // One exception are consecutive perfect curves, which aren't supported in osu!stable and can lead to decoding issues if encoded as implicit segments
-                    bool needsExplicitSegment = point.Type != lastType || point.Type == PathType.PERFECT_CURVE || i == pathData.Path.ControlPoints.Count - 1;
-
-                    // Another exception to this is when the last two control points of the last segment were duplicated. This is not a scenario supported by osu!stable.
-                    // Lazer does not add implicit segments for the last two control points of _any_ explicit segment, so an explicit segment is forced in order to maintain consistency with the decoder.
-                    if (i > 1)
                     {
-                        // We need to use the absolute control point position to determine equality, otherwise floating point issues may arise.
+                        case SplineType.BSpline:
-                        Vector2 p1 = position + pathData.Path.ControlPoints[i - 1].Position;
+                            writer.Write(point.Type.Value.Degree > 0 ? $"B{point.Type.Value.Degree}|" : "B|");
-                        Vector2 p2 = position + pathData.Path.ControlPoints[i - 2].Position;
+                            break;
 
-                        if ((int)p1.X == (int)p2.X && (int)p1.Y == (int)p2.Y)
+                        case SplineType.Catmull:
-                            needsExplicitSegment = true;
+                            writer.Write("C|");
-                    }
+                            break;
 
-                    if (needsExplicitSegment)
+                        case SplineType.PerfectCurve:
-                    {
+                            writer.Write("P|");
-                        switch (point.Type?.Type)
+                            break;
-                        {
-                            case SplineType.BSpline:
-                                writer.Write(point.Type.Value.Degree > 0 ? $"B{point.Type.Value.Degree}|" : "B|");
-                                break;
 
-                            case SplineType.Catmull:
+                        case SplineType.Linear:
-                                writer.Write("C|");
+                            writer.Write("L|");
-                                break;
+                            break;
-
-                            case SplineType.PerfectCurve:
-                                writer.Write("P|");
-                                break;
-
-                            case SplineType.Linear:
-                                writer.Write("L|");
-                                break;
-                        }
-
-                        lastType = point.Type;
-                    }
-                    else
-                    {
-                        // New segment with the same type - duplicate the control point
-                        writer.Write(FormattableString.Invariant($"{position.X + point.Position.X}:{position.Y + point.Position.Y}|"));
                     }
                 }
 

osu.Game/Beatmaps/WorkingBeatmap.cs

@@ -203,6 +203,8 @@ namespace osu.Game.Beatmaps
             {
                 try
                 {
+                    // TODO: This is a touch expensive and can become an issue if being accessed every Update call.
+                    // Optimally we would not involve the async flow if things are already loaded.
                     return loadBeatmapAsync().GetResultSafely();
                 }
                 catch (AggregateException ae)

osu.Game/Database/LegacyBeatmapExporter.cs

@@ -120,18 +120,30 @@ namespace osu.Game.Database
                 if (BezierConverter.CountSegments(hasPath.Path.ControlPoints) <= 1
                     && hasPath.Path.ControlPoints[0].Type!.Value.Degree == null) continue;
 
-                var newControlPoints = BezierConverter.ConvertToModernBezier(hasPath.Path.ControlPoints);
+                var convertedToBezier = BezierConverter.ConvertToModernBezier(hasPath.Path.ControlPoints);
-
-                // Truncate control points to integer positions
-                foreach (var pathControlPoint in newControlPoints)
-                {
-                    pathControlPoint.Position = new Vector2(
-                        (float)Math.Floor(pathControlPoint.Position.X),
-                        (float)Math.Floor(pathControlPoint.Position.Y));
-                }
 
                 hasPath.Path.ControlPoints.Clear();
-                hasPath.Path.ControlPoints.AddRange(newControlPoints);
+
+                for (int i = 0; i < convertedToBezier.Count; i++)
+                {
+                    var convertedPoint = convertedToBezier[i];
+
+                    // Truncate control points to integer positions
+                    var position = new Vector2(
+                        (float)Math.Floor(convertedPoint.Position.X),
+                        (float)Math.Floor(convertedPoint.Position.Y));
+
+                    // stable only supports a single curve type specification per slider.
+                    // we exploit the fact that the converted-to-Bézier path only has Bézier segments,
+                    // and thus we specify the Bézier curve type once ever at the start of the slider.
+                    hasPath.Path.ControlPoints.Add(new PathControlPoint(position, i == 0 ? PathType.BEZIER : null));
+
+                    // however, the Bézier path as output by the converter has multiple segments.
+                    // `LegacyBeatmapEncoder` will attempt to encode this by emitting per-control-point curve type specs which don't do anything for stable.
+                    // instead, stable expects control points that start a segment to be present in the path twice in succession.
+                    if (convertedPoint.Type == PathType.BEZIER && i > 0)
+                        hasPath.Path.ControlPoints.Add(new PathControlPoint(position));
+                }
             }
 
             // Encode to legacy format

osu.Game/Graphics/UserInterfaceV2/FormButton.cs

@@ -0,0 +1,189 @@
+// 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.Extensions.Color4Extensions;
+using osu.Framework.Graphics;
+using osu.Framework.Graphics.Colour;
+using osu.Framework.Graphics.Containers;
+using osu.Framework.Graphics.Shapes;
+using osu.Framework.Graphics.Sprites;
+using osu.Framework.Input.Events;
+using osu.Framework.Localisation;
+using osu.Game.Graphics.Backgrounds;
+using osu.Game.Graphics.Containers;
+using osu.Game.Graphics.UserInterface;
+using osu.Game.Overlays;
+using osuTK;
+using osuTK.Graphics;
+
+namespace osu.Game.Graphics.UserInterfaceV2
+{
+    public partial class FormButton : CompositeDrawable
+    {
+        /// <summary>
+        /// Caption describing this button, displayed on the left of it.
+        /// </summary>
+        public LocalisableString Caption { get; init; }
+
+        public LocalisableString ButtonText { get; init; }
+
+        public Action? Action { get; init; }
+
+        [Resolved]
+        private OverlayColourProvider colourProvider { get; set; } = null!;
+
+        [BackgroundDependencyLoader]
+        private void load()
+        {
+            RelativeSizeAxes = Axes.X;
+            Height = 50;
+
+            Masking = true;
+            CornerRadius = 5;
+            CornerExponent = 2.5f;
+
+            InternalChildren = new Drawable[]
+            {
+                new Box
+                {
+                    RelativeSizeAxes = Axes.Both,
+                    Colour = colourProvider.Background5,
+                },
+                new Container
+                {
+                    RelativeSizeAxes = Axes.Both,
+                    Padding = new MarginPadding
+                    {
+                        Left = 9,
+                        Right = 5,
+                        Vertical = 5,
+                    },
+                    Children = new Drawable[]
+                    {
+                        new OsuTextFlowContainer
+                        {
+                            RelativeSizeAxes = Axes.X,
+                            AutoSizeAxes = Axes.Y,
+                            Width = 0.45f,
+                            Anchor = Anchor.CentreLeft,
+                            Origin = Anchor.CentreLeft,
+                            Text = Caption,
+                        },
+                        new Button
+                        {
+                            Action = Action,
+                            Text = ButtonText,
+                            RelativeSizeAxes = ButtonText == default ? Axes.None : Axes.X,
+                            Width = ButtonText == default ? 90 : 0.45f,
+                            Anchor = Anchor.CentreRight,
+                            Origin = Anchor.CentreRight,
+                        }
+                    },
+                },
+            };
+        }
+
+        protected override bool OnHover(HoverEvent e)
+        {
+            updateState();
+            return true;
+        }
+
+        protected override void OnHoverLost(HoverLostEvent e)
+        {
+            base.OnHoverLost(e);
+            updateState();
+        }
+
+        private void updateState()
+        {
+            BorderThickness = IsHovered ? 2 : 0;
+
+            if (IsHovered)
+                BorderColour = colourProvider.Light4;
+        }
+
+        public partial class Button : OsuButton
+        {
+            private TrianglesV2? triangles { get; set; }
+
+            protected override float HoverLayerFinalAlpha => 0;
+
+            private Color4? triangleGradientSecondColour;
+
+            public override Color4 BackgroundColour
+            {
+                get => base.BackgroundColour;
+                set
+                {
+                    base.BackgroundColour = value;
+                    triangleGradientSecondColour = BackgroundColour.Lighten(0.2f);
+                    updateColours();
+                }
+            }
+
+            [BackgroundDependencyLoader]
+            private void load(OverlayColourProvider overlayColourProvider)
+            {
+                DefaultBackgroundColour = overlayColourProvider.Colour3;
+                triangleGradientSecondColour ??= overlayColourProvider.Colour1;
+
+                if (Text == default)
+                {
+                    Add(new SpriteIcon
+                    {
+                        Icon = FontAwesome.Solid.ChevronRight,
+                        Size = new Vector2(16),
+                        Shadow = true,
+                        Anchor = Anchor.Centre,
+                        Origin = Anchor.Centre,
+                    });
+                }
+            }
+
+            protected override void LoadComplete()
+            {
+                base.LoadComplete();
+
+                Content.CornerRadius = 2;
+
+                Add(triangles = new TrianglesV2
+                {
+                    Thickness = 0.02f,
+                    SpawnRatio = 0.6f,
+                    RelativeSizeAxes = Axes.Both,
+                    Depth = float.MaxValue,
+                });
+
+                updateColours();
+            }
+
+            private void updateColours()
+            {
+                if (triangles == null)
+                    return;
+
+                Debug.Assert(triangleGradientSecondColour != null);
+
+                triangles.Colour = ColourInfo.GradientVertical(triangleGradientSecondColour.Value, BackgroundColour);
+            }
+
+            protected override bool OnHover(HoverEvent e)
+            {
+                Debug.Assert(triangleGradientSecondColour != null);
+
+                Background.FadeColour(triangleGradientSecondColour.Value, 300, Easing.OutQuint);
+                return base.OnHover(e);
+            }
+
+            protected override void OnHoverLost(HoverLostEvent e)
+            {
+                Background.FadeColour(BackgroundColour, 300, Easing.OutQuint);
+                base.OnHoverLost(e);
+            }
+        }
+    }
+}

osu.Game/Graphics/UserInterfaceV2/FormNumberBox.cs

@@ -1,32 +1,30 @@
 // Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
 // See the LICENCE file in the repository root for full licence text.
 
-using System.Globalization;
 using osu.Framework.Input;
 
 namespace osu.Game.Graphics.UserInterfaceV2
 {
     public partial class FormNumberBox : FormTextBox
     {
-        public bool AllowDecimals { get; init; }
+        private readonly bool allowDecimals;
 
-        internal override InnerTextBox CreateTextBox() => new InnerNumberBox
+        public FormNumberBox(bool allowDecimals = false)
+        {
+            this.allowDecimals = allowDecimals;
+        }
+
+        internal override InnerTextBox CreateTextBox() => new InnerNumberBox(allowDecimals)
         {
-            AllowDecimals = AllowDecimals,
             SelectAllOnFocus = true,
         };
 
         internal partial class InnerNumberBox : InnerTextBox
         {
-            public bool AllowDecimals { get; init; }
+            public InnerNumberBox(bool allowDecimals)
-
-            public InnerNumberBox()
             {
-                InputProperties = new TextInputProperties(TextInputType.Number, false);
+                InputProperties = new TextInputProperties(allowDecimals ? TextInputType.Decimal : TextInputType.Number, false);
             }
-
-            protected override bool CanAddCharacter(char character)
-                => char.IsAsciiDigit(character) || (AllowDecimals && CultureInfo.CurrentCulture.NumberFormat.NumberDecimalSeparator.Contains(character));
         }
     }
 }

osu.Game/Graphics/UserInterfaceV2/FormSliderBar.cs

@@ -119,7 +119,7 @@ namespace osu.Game.Graphics.UserInterfaceV2
                             Caption = Caption,
                             TooltipText = HintText,
                         },
-                        textBox = new FormNumberBox.InnerNumberBox
+                        textBox = new FormNumberBox.InnerNumberBox(allowDecimals: true)
                         {
                             Anchor = Anchor.BottomLeft,
                             Origin = Anchor.BottomLeft,
@@ -127,7 +127,6 @@ namespace osu.Game.Graphics.UserInterfaceV2
                             Width = 0.5f,
                             CommitOnFocusLost = true,
                             SelectAllOnFocus = true,
-                            AllowDecimals = true,
                             OnInputError = () =>
                             {
                                 flashLayer.Colour = ColourInfo.GradientVertical(colours.Red3.Opacity(0), colours.Red3);

osu.Game/IO/Archives/ZipArchiveReader.cs

@@ -9,6 +9,7 @@ using System.IO;
 using System.Linq;
 using System.Text;
 using Microsoft.Toolkit.HighPerformance;
+using osu.Framework.Extensions;
 using osu.Framework.IO.Stores;
 using SharpCompress.Archives.Zip;
 using SharpCompress.Common;
@@ -54,12 +55,22 @@ namespace osu.Game.IO.Archives
             if (entry == null)
                 return null;
 
-            var owner = MemoryAllocator.Default.Allocate<byte>((int)entry.Size);
-
             using (Stream s = entry.OpenEntryStream())
-                s.ReadExactly(owner.Memory.Span);
+            {
+                if (entry.Size > 0)
+                {
+                    var owner = MemoryAllocator.Default.Allocate<byte>((int)entry.Size);
+                    s.ReadExactly(owner.Memory.Span);
+                    return new MemoryOwnerMemoryStream(owner);
+                }
 
-            return new MemoryOwnerMemoryStream(owner);
+                // due to a sharpcompress bug (https://github.com/adamhathcock/sharpcompress/issues/88),
+                // in rare instances the `ZipArchiveEntry` will not contain a correct `Size` but instead report 0.
+                // this would lead to the block above reading nothing, and the game basically seeing an archive full of empty files.
+                // since the bug is years old now, and this is a rather rare situation anyways (reported once in years),
+                // work around this locally by falling back to reading as many bytes as possible and using a standard non-pooled memory stream.
+                return new MemoryStream(s.ReadAllRemainingBytesToArray());
+            }
         }
 
         public override void Dispose()

osu.Game/Online/FriendPresenceNotifier.cs

@@ -31,15 +31,6 @@ namespace osu.Game.Online
         [Resolved]
         private MetadataClient metadataClient { get; set; } = null!;
 
-        [Resolved]
-        private ChannelManager channelManager { get; set; } = null!;
-
-        [Resolved]
-        private ChatOverlay chatOverlay { get; set; } = null!;
-
-        [Resolved]
-        private OsuColour colours { get; set; } = null!;
-
         [Resolved]
         private OsuConfigManager config { get; set; } = null!;
 
@@ -165,26 +156,7 @@ namespace osu.Game.Online
                 return;
             }
 
-            APIUser? singleUser = onlineAlertQueue.Count == 1 ? onlineAlertQueue.Single() : null;
+            notifications.Post(new FriendOnlineNotification(onlineAlertQueue.ToArray()));
-
-            notifications.Post(new SimpleNotification
-            {
-                Transient = true,
-                IsImportant = false,
-                Icon = FontAwesome.Solid.UserPlus,
-                Text = $"Online: {string.Join(@", ", onlineAlertQueue.Select(u => u.Username))}",
-                IconColour = colours.Green,
-                Activated = () =>
-                {
-                    if (singleUser != null)
-                    {
-                        channelManager.OpenPrivateChannel(singleUser);
-                        chatOverlay.Show();
-                    }
-
-                    return true;
-                }
-            });
 
             onlineAlertQueue.Clear();
             lastOnlineAlertTime = null;
@@ -204,17 +176,60 @@ namespace osu.Game.Online
                 return;
             }
 
-            notifications.Post(new SimpleNotification
+            notifications.Post(new FriendOfflineNotification(offlineAlertQueue.ToArray()));
-            {
-                Transient = true,
-                IsImportant = false,
-                Icon = FontAwesome.Solid.UserMinus,
-                Text = $"Offline: {string.Join(@", ", offlineAlertQueue.Select(u => u.Username))}",
-                IconColour = colours.Red
-            });
 
             offlineAlertQueue.Clear();
             lastOfflineAlertTime = null;
         }
+
+        public partial class FriendOnlineNotification : SimpleNotification
+        {
+            private readonly ICollection<APIUser> users;
+
+            public FriendOnlineNotification(ICollection<APIUser> users)
+            {
+                this.users = users;
+                Transient = true;
+                IsImportant = false;
+                Icon = FontAwesome.Solid.User;
+                Text = $"Online: {string.Join(@", ", users.Select(u => u.Username))}";
+            }
+
+            [BackgroundDependencyLoader]
+            private void load(OsuColour colours, ChannelManager channelManager, ChatOverlay chatOverlay)
+            {
+                IconColour = colours.GrayD;
+                Activated = () =>
+                {
+                    APIUser? singleUser = users.Count == 1 ? users.Single() : null;
+
+                    if (singleUser != null)
+                    {
+                        channelManager.OpenPrivateChannel(singleUser);
+                        chatOverlay.Show();
+                    }
+
+                    return true;
+                };
+            }
+
+            public override string PopInSampleName => "UI/notification-friend-online";
+        }
+
+        private partial class FriendOfflineNotification : SimpleNotification
+        {
+            public FriendOfflineNotification(ICollection<APIUser> users)
+            {
+                Transient = true;
+                IsImportant = false;
+                Icon = FontAwesome.Solid.UserSlash;
+                Text = $"Offline: {string.Join(@", ", users.Select(u => u.Username))}";
+            }
+
+            [BackgroundDependencyLoader]
+            private void load(OsuColour colours) => IconColour = colours.Gray3;
+
+            public override string PopInSampleName => "UI/notification-friend-offline";
+        }
     }
 }

osu.Game/OsuGame.cs

@@ -178,9 +178,9 @@ namespace osu.Game
         /// </summary>
         private readonly IBindable<bool> backButtonVisibility = new Bindable<bool>();
 
-        IBindable<LocalUserPlayingState> ILocalUserPlayInfo.PlayingState => playingState;
+        IBindable<LocalUserPlayingState> ILocalUserPlayInfo.PlayingState => UserPlayingState;
 
-        private readonly Bindable<LocalUserPlayingState> playingState = new Bindable<LocalUserPlayingState>();
+        protected readonly Bindable<LocalUserPlayingState> UserPlayingState = new Bindable<LocalUserPlayingState>();
 
         protected OsuScreenStack ScreenStack;
 
@@ -233,8 +233,6 @@ namespace osu.Game
 
             forwardGeneralLogsToNotifications();
             forwardTabletLogsToNotifications();
-
-            SentryLogger = new SentryLogger(this);
         }
 
         #region IOverlayManager
@@ -308,7 +306,7 @@ namespace osu.Game
         protected override UserInputManager CreateUserInputManager()
         {
             var userInputManager = base.CreateUserInputManager();
-            (userInputManager as OsuUserInputManager)?.PlayingState.BindTo(playingState);
+            (userInputManager as OsuUserInputManager)?.PlayingState.BindTo(UserPlayingState);
             return userInputManager;
         }
 
@@ -320,6 +318,12 @@ namespace osu.Game
         private readonly List<string> dragDropFiles = new List<string>();
         private ScheduledDelegate dragDropImportSchedule;
 
+        public override void SetupLogging(Storage gameStorage, Storage cacheStorage)
+        {
+            base.SetupLogging(gameStorage, cacheStorage);
+            SentryLogger = new SentryLogger(this, cacheStorage);
+        }
+
         public override void SetHost(GameHost host)
         {
             base.SetHost(host);
@@ -403,7 +407,7 @@ namespace osu.Game
             // Transfer any runtime changes back to configuration file.
             SkinManager.CurrentSkinInfo.ValueChanged += skin => configSkin.Value = skin.NewValue.ID.ToString();
 
-            playingState.BindValueChanged(p =>
+            UserPlayingState.BindValueChanged(p =>
             {
                 BeatmapManager.PauseImports = p.NewValue != LocalUserPlayingState.NotPlaying;
                 SkinManager.PauseImports = p.NewValue != LocalUserPlayingState.NotPlaying;
@@ -1544,7 +1548,7 @@ namespace osu.Game
             GlobalCursorDisplay.ShowCursor = (ScreenStack.CurrentScreen as IOsuScreen)?.CursorVisible ?? false;
         }
 
-        private void screenChanged(IScreen current, IScreen newScreen)
+        protected virtual void ScreenChanged([CanBeNull] IOsuScreen current, [CanBeNull] IOsuScreen newScreen)
         {
             SentrySdk.ConfigureScope(scope =>
             {
@@ -1560,10 +1564,10 @@ namespace osu.Game
             switch (current)
             {
                 case Player player:
-                    player.PlayingState.UnbindFrom(playingState);
+                    player.PlayingState.UnbindFrom(UserPlayingState);
 
                     // reset for sanity.
-                    playingState.Value = LocalUserPlayingState.NotPlaying;
+                    UserPlayingState.Value = LocalUserPlayingState.NotPlaying;
                     break;
             }
 
@@ -1580,7 +1584,7 @@ namespace osu.Game
                     break;
 
                 case Player player:
-                    player.PlayingState.BindTo(playingState);
+                    player.PlayingState.BindTo(UserPlayingState);
                     break;
 
                 default:
@@ -1588,30 +1592,32 @@ namespace osu.Game
                     break;
             }
 
-            if (current is IOsuScreen currentOsuScreen)
+            if (current != null)
             {
-                backButtonVisibility.UnbindFrom(currentOsuScreen.BackButtonVisibility);
+                backButtonVisibility.UnbindFrom(current.BackButtonVisibility);
-                OverlayActivationMode.UnbindFrom(currentOsuScreen.OverlayActivationMode);
+                OverlayActivationMode.UnbindFrom(current.OverlayActivationMode);
-                configUserActivity.UnbindFrom(currentOsuScreen.Activity);
+                configUserActivity.UnbindFrom(current.Activity);
             }
 
-            if (newScreen is IOsuScreen newOsuScreen)
+            // Bind to new screen.
+            if (newScreen != null)
             {
-                backButtonVisibility.BindTo(newOsuScreen.BackButtonVisibility);
+                backButtonVisibility.BindTo(newScreen.BackButtonVisibility);
-                OverlayActivationMode.BindTo(newOsuScreen.OverlayActivationMode);
+                OverlayActivationMode.BindTo(newScreen.OverlayActivationMode);
-                configUserActivity.BindTo(newOsuScreen.Activity);
+                configUserActivity.BindTo(newScreen.Activity);
 
-                GlobalCursorDisplay.MenuCursor.HideCursorOnNonMouseInput = newOsuScreen.HideMenuCursorOnNonMouseInput;
+                // Handle various configuration updates based on new screen settings.
+                GlobalCursorDisplay.MenuCursor.HideCursorOnNonMouseInput = newScreen.HideMenuCursorOnNonMouseInput;
 
-                if (newOsuScreen.HideOverlaysOnEnter)
+                if (newScreen.HideOverlaysOnEnter)
                     CloseAllOverlays();
                 else
                     Toolbar.Show();
 
-                if (newOsuScreen.ShowFooter)
+                if (newScreen.ShowFooter)
                 {
                     BackButton.Hide();
-                    ScreenFooter.SetButtons(newOsuScreen.CreateFooterButtons());
+                    ScreenFooter.SetButtons(newScreen.CreateFooterButtons());
                     ScreenFooter.Show();
                 }
                 else
@@ -1619,16 +1625,16 @@ namespace osu.Game
                     ScreenFooter.SetButtons(Array.Empty<ScreenFooterButton>());
                     ScreenFooter.Hide();
                 }
-            }
 
-            skinEditor.SetTarget((OsuScreen)newScreen);
+                skinEditor.SetTarget((OsuScreen)newScreen);
+            }
         }
 
-        private void screenPushed(IScreen lastScreen, IScreen newScreen) => screenChanged(lastScreen, newScreen);
+        private void screenPushed(IScreen lastScreen, IScreen newScreen) => ScreenChanged((OsuScreen)lastScreen, (OsuScreen)newScreen);
 
         private void screenExited(IScreen lastScreen, IScreen newScreen)
         {
-            screenChanged(lastScreen, newScreen);
+            ScreenChanged((OsuScreen)lastScreen, (OsuScreen)newScreen);
 
             if (newScreen == null)
                 Exit();

osu.Game/Overlays/FirstRunSetup/ScreenBeatmaps.cs

@@ -21,7 +21,7 @@ using Realms;
 namespace osu.Game.Overlays.FirstRunSetup
 {
     [LocalisableDescription(typeof(FirstRunSetupBeatmapScreenStrings), nameof(FirstRunSetupBeatmapScreenStrings.Header))]
-    public partial class ScreenBeatmaps : FirstRunSetupScreen
+    public partial class ScreenBeatmaps : WizardScreen
     {
         private ProgressRoundedButton downloadBundledButton = null!;
         private ProgressRoundedButton downloadTutorialButton = null!;

osu.Game/Overlays/FirstRunSetup/ScreenBehaviour.cs

@@ -20,7 +20,7 @@ using osu.Game.Overlays.Settings.Sections;
 namespace osu.Game.Overlays.FirstRunSetup
 {
     [LocalisableDescription(typeof(FirstRunSetupOverlayStrings), nameof(FirstRunSetupOverlayStrings.Behaviour))]
-    public partial class ScreenBehaviour : FirstRunSetupScreen
+    public partial class ScreenBehaviour : WizardScreen
     {
         private SearchContainer<SettingsSection> searchContainer;
 

osu.Game/Overlays/FirstRunSetup/ScreenImportFromStable.cs

@@ -31,7 +31,7 @@ using osuTK;
 namespace osu.Game.Overlays.FirstRunSetup
 {
     [LocalisableDescription(typeof(FirstRunOverlayImportFromStableScreenStrings), nameof(FirstRunOverlayImportFromStableScreenStrings.Header))]
-    public partial class ScreenImportFromStable : FirstRunSetupScreen
+    public partial class ScreenImportFromStable : WizardScreen
     {
         private static readonly Vector2 button_size = new Vector2(400, 50);
 

osu.Game/Overlays/FirstRunSetup/ScreenUIScale.cs

@@ -32,7 +32,7 @@ using osuTK;
 namespace osu.Game.Overlays.FirstRunSetup
 {
     [LocalisableDescription(typeof(GraphicsSettingsStrings), nameof(GraphicsSettingsStrings.UIScaling))]
-    public partial class ScreenUIScale : FirstRunSetupScreen
+    public partial class ScreenUIScale : WizardScreen
     {
         [BackgroundDependencyLoader]
         private void load(OsuConfigManager config)

osu.Game/Overlays/FirstRunSetup/ScreenWelcome.cs

@@ -23,7 +23,7 @@ using osuTK;
 namespace osu.Game.Overlays.FirstRunSetup
 {
     [LocalisableDescription(typeof(FirstRunSetupOverlayStrings), nameof(FirstRunSetupOverlayStrings.WelcomeTitle))]
-    public partial class ScreenWelcome : FirstRunSetupScreen
+    public partial class ScreenWelcome : WizardScreen
     {
         [BackgroundDependencyLoader]
         private void load(FrameworkConfigManager frameworkConfig)

osu.Game/Overlays/FirstRunSetupOverlay.cs

@@ -1,38 +1,22 @@
 // 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;
 using osu.Framework.Allocation;
 using osu.Framework.Bindables;
-using osu.Framework.Extensions;
-using osu.Framework.Graphics;
-using osu.Framework.Graphics.Containers;
-using osu.Framework.Graphics.Cursor;
-using osu.Framework.Graphics.Shapes;
 using osu.Framework.Graphics.Sprites;
-using osu.Framework.Input.Events;
-using osu.Framework.Localisation;
-using osu.Framework.Screens;
-using osu.Framework.Threading;
 using osu.Game.Configuration;
 using osu.Game.Database;
 using osu.Game.Graphics;
-using osu.Game.Graphics.UserInterface;
-using osu.Game.Input.Bindings;
 using osu.Game.Localisation;
 using osu.Game.Overlays.FirstRunSetup;
-using osu.Game.Overlays.Mods;
 using osu.Game.Overlays.Notifications;
 using osu.Game.Screens;
-using osu.Game.Screens.Footer;
 using osu.Game.Screens.Menu;
 
 namespace osu.Game.Overlays
 {
     [Cached]
-    public partial class FirstRunSetupOverlay : ShearedOverlayContainer
+    public partial class FirstRunSetupOverlay : WizardOverlay
     {
         [Resolved]
         private IPerformFromScreenRunner performer { get; set; } = null!;
@@ -43,28 +27,8 @@ namespace osu.Game.Overlays
         [Resolved]
         private OsuConfigManager config { get; set; } = null!;
 
-        private ScreenStack? stack;
-
-        public ShearedButton? NextButton => DisplayedFooterContent?.NextButton;
-
         private readonly Bindable<bool> showFirstRunSetup = new Bindable<bool>();
 
-        private int? currentStepIndex;
-
-        /// <summary>
-        /// The currently displayed screen, if any.
-        /// </summary>
-        public FirstRunSetupScreen? CurrentScreen => (FirstRunSetupScreen?)stack?.CurrentScreen;
-
-        private readonly List<Type> steps = new List<Type>();
-
-        private Container screenContent = null!;
-
-        private Container content = null!;
-
-        private LoadingSpinner loading = null!;
-        private ScheduledDelegate? loadingShowDelegate;
-
         public FirstRunSetupOverlay()
             : base(OverlayColourScheme.Purple)
         {
@@ -73,67 +37,15 @@ namespace osu.Game.Overlays
         [BackgroundDependencyLoader(permitNulls: true)]
         private void load(OsuColour colours, LegacyImportManager? legacyImportManager)
         {
-            steps.Add(typeof(ScreenWelcome));
+            AddStep<ScreenWelcome>();
-            steps.Add(typeof(ScreenUIScale));
+            AddStep<ScreenUIScale>();
-            steps.Add(typeof(ScreenBeatmaps));
+            AddStep<ScreenBeatmaps>();
             if (legacyImportManager?.SupportsImportFromStable == true)
-                steps.Add(typeof(ScreenImportFromStable));
+                AddStep<ScreenImportFromStable>();
-            steps.Add(typeof(ScreenBehaviour));
+            AddStep<ScreenBehaviour>();
 
             Header.Title = FirstRunSetupOverlayStrings.FirstRunSetupTitle;
             Header.Description = FirstRunSetupOverlayStrings.FirstRunSetupDescription;
-
-            MainAreaContent.AddRange(new Drawable[]
-            {
-                content = new PopoverContainer
-                {
-                    Anchor = Anchor.Centre,
-                    Origin = Anchor.Centre,
-                    RelativeSizeAxes = Axes.Both,
-                    Padding = new MarginPadding { Bottom = 20 },
-                    Child = new GridContainer
-                    {
-                        Anchor = Anchor.Centre,
-                        Origin = Anchor.Centre,
-                        RelativeSizeAxes = Axes.Both,
-                        ColumnDimensions = new[]
-                        {
-                            new Dimension(),
-                            new Dimension(minSize: 640, maxSize: 800),
-                            new Dimension(),
-                        },
-                        Content = new[]
-                        {
-                            new[]
-                            {
-                                Empty(),
-                                new InputBlockingContainer
-                                {
-                                    Masking = true,
-                                    CornerRadius = 14,
-                                    RelativeSizeAxes = Axes.Both,
-                                    Children = new Drawable[]
-                                    {
-                                        new Box
-                                        {
-                                            RelativeSizeAxes = Axes.Both,
-                                            Colour = ColourProvider.Background6,
-                                        },
-                                        loading = new LoadingSpinner(),
-                                        new Container
-                                        {
-                                            RelativeSizeAxes = Axes.Both,
-                                            Padding = new MarginPadding { Vertical = 20 },
-                                            Child = screenContent = new Container { RelativeSizeAxes = Axes.Both, },
-                                        },
-                                    },
-                                },
-                                Empty(),
-                            },
-                        }
-                    }
-                },
-            });
         }
 
         protected override void LoadComplete()
@@ -145,55 +57,6 @@ namespace osu.Game.Overlays
             if (showFirstRunSetup.Value) Show();
         }
 
-        [Resolved]
-        private ScreenFooter footer { get; set; } = null!;
-
-        public new FirstRunSetupFooterContent? DisplayedFooterContent => base.DisplayedFooterContent as FirstRunSetupFooterContent;
-
-        public override VisibilityContainer CreateFooterContent()
-        {
-            var footerContent = new FirstRunSetupFooterContent
-            {
-                ShowNextStep = showNextStep,
-            };
-
-            footerContent.OnLoadComplete += _ => updateButtons();
-            return footerContent;
-        }
-
-        public override bool OnBackButton()
-        {
-            if (currentStepIndex == 0)
-                return false;
-
-            Debug.Assert(stack != null);
-
-            stack.CurrentScreen.Exit();
-            currentStepIndex--;
-
-            updateButtons();
-            return true;
-        }
-
-        public override bool OnPressed(KeyBindingPressEvent<GlobalAction> e)
-        {
-            if (!e.Repeat)
-            {
-                switch (e.Action)
-                {
-                    case GlobalAction.Select:
-                        DisplayedFooterContent?.NextButton.TriggerClick();
-                        return true;
-
-                    case GlobalAction.Back:
-                        footer.BackButton.TriggerClick();
-                        return false;
-                }
-            }
-
-            return base.OnPressed(e);
-        }
-
         public override void Show()
         {
             // if we are valid for display, only do so after reaching the main menu.
@@ -207,24 +70,11 @@ namespace osu.Game.Overlays
             }, new[] { typeof(MainMenu) });
         }
 
-        protected override void PopIn()
-        {
-            base.PopIn();
-
-            content.ScaleTo(0.99f)
-                   .ScaleTo(1, 400, Easing.OutQuint);
-
-            if (currentStepIndex == null)
-                showFirstStep();
-        }
-
         protected override void PopOut()
         {
             base.PopOut();
 
-            content.ScaleTo(0.99f, 400, Easing.OutQuint);
+            if (CurrentStepIndex != null)
-
-            if (currentStepIndex != null)
             {
                 notificationOverlay.Post(new SimpleNotification
                 {
@@ -237,112 +87,14 @@ namespace osu.Game.Overlays
                     },
                 });
             }
-            else
-            {
-                stack?.FadeOut(100)
-                     .Expire();
-            }
         }
 
-        private void showFirstStep()
+        protected override void ShowNextStep()
         {
-            Debug.Assert(currentStepIndex == null);
+            base.ShowNextStep();
 
-            screenContent.Child = stack = new ScreenStack
+            if (CurrentStepIndex == null)
-            {
-                RelativeSizeAxes = Axes.Both,
-            };
-
-            currentStepIndex = -1;
-            showNextStep();
-        }
-
-        private void showNextStep()
-        {
-            Debug.Assert(currentStepIndex != null);
-            Debug.Assert(stack != null);
-
-            currentStepIndex++;
-
-            if (currentStepIndex < steps.Count)
-            {
-                var nextScreen = (Screen)Activator.CreateInstance(steps[currentStepIndex.Value])!;
-
-                loadingShowDelegate = Scheduler.AddDelayed(() => loading.Show(), 200);
-                nextScreen.OnLoadComplete += _ =>
-                {
-                    loadingShowDelegate?.Cancel();
-                    loading.Hide();
-                };
-
-                stack.Push(nextScreen);
-            }
-            else
-            {
                 showFirstRunSetup.Value = false;
-                currentStepIndex = null;
-                Hide();
-            }
-
-            updateButtons();
-        }
-
-        private void updateButtons() => DisplayedFooterContent?.UpdateButtons(currentStepIndex, steps);
-
-        public partial class FirstRunSetupFooterContent : VisibilityContainer
-        {
-            public ShearedButton NextButton { get; private set; } = null!;
-
-            public Action? ShowNextStep;
-
-            [BackgroundDependencyLoader]
-            private void load(OverlayColourProvider colourProvider)
-            {
-                RelativeSizeAxes = Axes.Both;
-
-                InternalChild = NextButton = new ShearedButton(0)
-                {
-                    Anchor = Anchor.BottomLeft,
-                    Origin = Anchor.BottomLeft,
-                    Margin = new MarginPadding { Right = 12f },
-                    RelativeSizeAxes = Axes.X,
-                    Width = 1,
-                    Text = FirstRunSetupOverlayStrings.GetStarted,
-                    DarkerColour = colourProvider.Colour2,
-                    LighterColour = colourProvider.Colour1,
-                    Action = () => ShowNextStep?.Invoke(),
-                };
-            }
-
-            public void UpdateButtons(int? currentStep, IReadOnlyList<Type> steps)
-            {
-                NextButton.Enabled.Value = currentStep != null;
-
-                if (currentStep == null)
-                    return;
-
-                bool isFirstStep = currentStep == 0;
-                bool isLastStep = currentStep == steps.Count - 1;
-
-                if (isFirstStep)
-                    NextButton.Text = FirstRunSetupOverlayStrings.GetStarted;
-                else
-                {
-                    NextButton.Text = isLastStep
-                        ? CommonStrings.Finish
-                        : LocalisableString.Interpolate($@"{CommonStrings.Next} ({steps[currentStep.Value + 1].GetLocalisableDescription()})");
-                }
-            }
-
-            protected override void PopIn()
-            {
-                this.FadeIn();
-            }
-
-            protected override void PopOut()
-            {
-                this.Delay(400).FadeOut();
-            }
         }
     }
 }

osu.Game/Overlays/Login/SecondFactorAuthForm.cs

@@ -5,6 +5,7 @@ using System.Threading.Tasks;
 using osu.Framework.Allocation;
 using osu.Framework.Graphics;
 using osu.Framework.Graphics.Containers;
+using osu.Framework.Input;
 using osu.Framework.Input.Events;
 using osu.Framework.Logging;
 using osu.Game.Graphics;
@@ -62,6 +63,7 @@ namespace osu.Game.Overlays.Login
                                 },
                                 codeTextBox = new OsuTextBox
                                 {
+                                    InputProperties = new TextInputProperties(TextInputType.Code),
                                     PlaceholderText = "Enter code",
                                     RelativeSizeAxes = Axes.X,
                                     TabbableContentContainer = this,

osu.Game/Overlays/Settings/Sections/Gameplay/BackgroundSettings.cs

@@ -35,7 +35,8 @@ namespace osu.Game.Overlays.Settings.Sections.Gameplay
                 new SettingsCheckbox
                 {
                     LabelText = GameplaySettingsStrings.LightenDuringBreaks,
-                    Current = config.GetBindable<bool>(OsuSetting.LightenDuringBreaks)
+                    Current = config.GetBindable<bool>(OsuSetting.LightenDuringBreaks),
+                    Keywords = new[] { "dim", "level" }
                 },
                 new SettingsCheckbox
                 {

osu.Game/Overlays/SkinEditor/SkinBlueprintContainer.cs

@@ -111,6 +111,16 @@ namespace osu.Game.Overlays.SkinEditor
             SelectedItems.AddRange(targetComponents.SelectMany(list => list).Except(SelectedItems).ToArray());
         }
 
+        protected override bool TryMoveBlueprints(DragEvent e, IList<(SelectionBlueprint<ISerialisableDrawable> blueprint, Vector2[] originalSnapPositions)> blueprints)
+        {
+            Vector2 distanceTravelled = e.ScreenSpaceMousePosition - e.ScreenSpaceMouseDownPosition;
+
+            // The final movement position, relative to movementBlueprintOriginalPosition.
+            var referenceBlueprint = blueprints.First().blueprint;
+            Vector2 movePosition = blueprints.First().originalSnapPositions.First() + distanceTravelled;
+            return SelectionHandler.HandleMovement(new MoveSelectionEvent<ISerialisableDrawable>(referenceBlueprint, movePosition - referenceBlueprint.ScreenSpaceSelectionPoint));
+        }
+
         /// <summary>
         /// Move the current selection spatially by the specified delta, in screen coordinates (ie. the same coordinates as the blueprints).
         /// </summary>

osu.Game/Overlays/WizardOverlay.cs

@@ -0,0 +1,288 @@
+// 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;
+using osu.Framework.Allocation;
+using osu.Framework.Extensions;
+using osu.Framework.Graphics;
+using osu.Framework.Graphics.Containers;
+using osu.Framework.Graphics.Cursor;
+using osu.Framework.Graphics.Shapes;
+using osu.Framework.Input.Events;
+using osu.Framework.Localisation;
+using osu.Framework.Screens;
+using osu.Framework.Threading;
+using osu.Game.Graphics;
+using osu.Game.Graphics.UserInterface;
+using osu.Game.Input.Bindings;
+using osu.Game.Localisation;
+using osu.Game.Overlays.Mods;
+using osu.Game.Screens.Footer;
+
+namespace osu.Game.Overlays
+{
+    public partial class WizardOverlay : ShearedOverlayContainer
+    {
+        private ScreenStack? stack;
+
+        public ShearedButton? NextButton => DisplayedFooterContent?.NextButton;
+
+        protected int? CurrentStepIndex { get; private set; }
+
+        /// <summary>
+        /// The currently displayed screen, if any.
+        /// </summary>
+        public WizardScreen? CurrentScreen => (WizardScreen?)stack?.CurrentScreen;
+
+        private readonly List<Type> steps = new List<Type>();
+
+        private Container screenContent = null!;
+
+        private Container content = null!;
+
+        private LoadingSpinner loading = null!;
+        private ScheduledDelegate? loadingShowDelegate;
+
+        protected WizardOverlay(OverlayColourScheme scheme)
+            : base(scheme)
+        {
+        }
+
+        [BackgroundDependencyLoader]
+        private void load()
+        {
+            MainAreaContent.AddRange(new Drawable[]
+            {
+                content = new PopoverContainer
+                {
+                    Anchor = Anchor.Centre,
+                    Origin = Anchor.Centre,
+                    RelativeSizeAxes = Axes.Both,
+                    Padding = new MarginPadding { Bottom = 20 },
+                    Child = new GridContainer
+                    {
+                        Anchor = Anchor.Centre,
+                        Origin = Anchor.Centre,
+                        RelativeSizeAxes = Axes.Both,
+                        ColumnDimensions = new[]
+                        {
+                            new Dimension(),
+                            new Dimension(minSize: 640, maxSize: 800),
+                            new Dimension(),
+                        },
+                        Content = new[]
+                        {
+                            new[]
+                            {
+                                Empty(),
+                                new InputBlockingContainer
+                                {
+                                    Masking = true,
+                                    CornerRadius = 14,
+                                    RelativeSizeAxes = Axes.Both,
+                                    Children = new Drawable[]
+                                    {
+                                        new Box
+                                        {
+                                            RelativeSizeAxes = Axes.Both,
+                                            Colour = ColourProvider.Background6,
+                                        },
+                                        loading = new LoadingSpinner(),
+                                        new Container
+                                        {
+                                            RelativeSizeAxes = Axes.Both,
+                                            Padding = new MarginPadding { Vertical = 20 },
+                                            Child = screenContent = new Container { RelativeSizeAxes = Axes.Both, },
+                                        },
+                                    },
+                                },
+                                Empty(),
+                            },
+                        }
+                    }
+                },
+            });
+        }
+
+        [Resolved]
+        private ScreenFooter footer { get; set; } = null!;
+
+        public new WizardFooterContent? DisplayedFooterContent => base.DisplayedFooterContent as WizardFooterContent;
+
+        public override VisibilityContainer CreateFooterContent()
+        {
+            var footerContent = new WizardFooterContent
+            {
+                ShowNextStep = ShowNextStep,
+            };
+
+            footerContent.OnLoadComplete += _ => updateButtons();
+            return footerContent;
+        }
+
+        public override bool OnBackButton()
+        {
+            if (CurrentStepIndex == 0)
+                return false;
+
+            Debug.Assert(stack != null);
+
+            stack.CurrentScreen.Exit();
+            CurrentStepIndex--;
+
+            updateButtons();
+            return true;
+        }
+
+        public override bool OnPressed(KeyBindingPressEvent<GlobalAction> e)
+        {
+            if (!e.Repeat)
+            {
+                switch (e.Action)
+                {
+                    case GlobalAction.Select:
+                        DisplayedFooterContent?.NextButton.TriggerClick();
+                        return true;
+
+                    case GlobalAction.Back:
+                        footer.BackButton.TriggerClick();
+                        return false;
+                }
+            }
+
+            return base.OnPressed(e);
+        }
+
+        protected override void PopIn()
+        {
+            base.PopIn();
+
+            content.ScaleTo(0.99f)
+                   .ScaleTo(1, 400, Easing.OutQuint);
+
+            if (CurrentStepIndex == null)
+                showFirstStep();
+        }
+
+        protected override void PopOut()
+        {
+            base.PopOut();
+
+            content.ScaleTo(0.99f, 400, Easing.OutQuint);
+
+            if (CurrentStepIndex == null)
+            {
+                stack?.FadeOut(100)
+                     .Expire();
+            }
+        }
+
+        protected void AddStep<T>()
+            where T : WizardScreen
+        {
+            steps.Add(typeof(T));
+        }
+
+        private void showFirstStep()
+        {
+            Debug.Assert(CurrentStepIndex == null);
+
+            screenContent.Child = stack = new ScreenStack
+            {
+                RelativeSizeAxes = Axes.Both,
+            };
+
+            CurrentStepIndex = -1;
+            ShowNextStep();
+        }
+
+        protected virtual void ShowNextStep()
+        {
+            Debug.Assert(CurrentStepIndex != null);
+            Debug.Assert(stack != null);
+
+            CurrentStepIndex++;
+
+            if (CurrentStepIndex < steps.Count)
+            {
+                var nextScreen = (Screen)Activator.CreateInstance(steps[CurrentStepIndex.Value])!;
+
+                loadingShowDelegate = Scheduler.AddDelayed(() => loading.Show(), 200);
+                nextScreen.OnLoadComplete += _ =>
+                {
+                    loadingShowDelegate?.Cancel();
+                    loading.Hide();
+                };
+
+                stack.Push(nextScreen);
+            }
+            else
+            {
+                CurrentStepIndex = null;
+                Hide();
+            }
+
+            updateButtons();
+        }
+
+        private void updateButtons() => DisplayedFooterContent?.UpdateButtons(CurrentStepIndex, steps);
+
+        public partial class WizardFooterContent : VisibilityContainer
+        {
+            public ShearedButton NextButton { get; private set; } = null!;
+
+            public Action? ShowNextStep;
+
+            [BackgroundDependencyLoader]
+            private void load(OverlayColourProvider colourProvider)
+            {
+                RelativeSizeAxes = Axes.Both;
+
+                InternalChild = NextButton = new ShearedButton(0)
+                {
+                    Anchor = Anchor.BottomLeft,
+                    Origin = Anchor.BottomLeft,
+                    Margin = new MarginPadding { Right = 12f },
+                    RelativeSizeAxes = Axes.X,
+                    Width = 1,
+                    Text = FirstRunSetupOverlayStrings.GetStarted,
+                    DarkerColour = colourProvider.Colour2,
+                    LighterColour = colourProvider.Colour1,
+                    Action = () => ShowNextStep?.Invoke(),
+                };
+            }
+
+            public void UpdateButtons(int? currentStep, IReadOnlyList<Type> steps)
+            {
+                NextButton.Enabled.Value = currentStep != null;
+
+                if (currentStep == null)
+                    return;
+
+                bool isFirstStep = currentStep == 0;
+                bool isLastStep = currentStep == steps.Count - 1;
+
+                if (isFirstStep)
+                    NextButton.Text = FirstRunSetupOverlayStrings.GetStarted;
+                else
+                {
+                    NextButton.Text = isLastStep
+                        ? CommonStrings.Finish
+                        : LocalisableString.Interpolate($@"{CommonStrings.Next} ({steps[currentStep.Value + 1].GetLocalisableDescription()})");
+                }
+            }
+
+            protected override void PopIn()
+            {
+                this.FadeIn();
+            }
+
+            protected override void PopOut()
+            {
+                this.Delay(400).FadeOut();
+            }
+        }
+    }
+}

osu.Game/Overlays/WizardScreen.cs

@@ -13,9 +13,9 @@ using osu.Game.Graphics.Containers;
 using osu.Game.Graphics.Sprites;
 using osuTK;
 
-namespace osu.Game.Overlays.FirstRunSetup
+namespace osu.Game.Overlays
 {
-    public abstract partial class FirstRunSetupScreen : Screen
+    public abstract partial class WizardScreen : Screen
     {
         private const float offset = 100;
 

osu.Game/Rulesets/Edit/HitObjectComposer.cs

@@ -376,7 +376,7 @@ namespace osu.Game.Rulesets.Edit
         /// <summary>
         /// Construct a relevant blueprint container. This will manage hitobject selection/placement input handling and display logic.
         /// </summary>
-        protected virtual ComposeBlueprintContainer CreateBlueprintContainer() => new ComposeBlueprintContainer(this);
+        protected abstract ComposeBlueprintContainer CreateBlueprintContainer();
 
         protected virtual Drawable CreateHitObjectInspector() => new HitObjectInspector();
 
@@ -566,28 +566,6 @@ namespace osu.Game.Rulesets.Edit
         /// <returns>The most relevant <see cref="Playfield"/>.</returns>
         protected virtual Playfield PlayfieldAtScreenSpacePosition(Vector2 screenSpacePosition) => drawableRulesetWrapper.Playfield;
 
-        public override SnapResult FindSnappedPositionAndTime(Vector2 screenSpacePosition, SnapType snapType = SnapType.All)
-        {
-            var playfield = PlayfieldAtScreenSpacePosition(screenSpacePosition);
-            double? targetTime = null;
-
-            if (snapType.HasFlag(SnapType.GlobalGrids))
-            {
-                if (playfield is ScrollingPlayfield scrollingPlayfield)
-                {
-                    targetTime = scrollingPlayfield.TimeAtScreenSpacePosition(screenSpacePosition);
-
-                    // apply beat snapping
-                    targetTime = BeatSnapProvider.SnapTime(targetTime.Value);
-
-                    // convert back to screen space
-                    screenSpacePosition = scrollingPlayfield.ScreenSpacePositionAtTime(targetTime.Value);
-                }
-            }
-
-            return new SnapResult(screenSpacePosition, targetTime, playfield);
-        }
-
         #endregion
     }
 
@@ -596,7 +574,7 @@ namespace osu.Game.Rulesets.Edit
     /// Generally used to access certain methods without requiring a generic type for <see cref="HitObjectComposer{T}" />.
     /// </summary>
     [Cached]
-    public abstract partial class HitObjectComposer : CompositeDrawable, IPositionSnapProvider
+    public abstract partial class HitObjectComposer : CompositeDrawable
     {
         public const float TOOLBOX_CONTRACTED_SIZE_LEFT = 60;
         public const float TOOLBOX_CONTRACTED_SIZE_RIGHT = 120;
@@ -639,11 +617,5 @@ namespace osu.Game.Rulesets.Edit
         /// <param name="timestamp">The time instant to seek to, in milliseconds.</param>
         /// <param name="objectDescription">The ruleset-specific description of objects to select at the given timestamp.</param>
         public virtual void SelectFromTimestamp(double timestamp, string objectDescription) { }
-
-        #region IPositionSnapProvider
-
-        public abstract SnapResult FindSnappedPositionAndTime(Vector2 screenSpacePosition, SnapType snapType = SnapType.All);
-
-        #endregion
     }
 }

osu.Game/Rulesets/Edit/HitObjectPlacementBlueprint.cs

@@ -13,6 +13,7 @@ using osu.Game.Rulesets.Objects;
 using osu.Game.Rulesets.Objects.Types;
 using osu.Game.Screens.Edit;
 using osu.Game.Screens.Edit.Compose;
+using osuTK;
 
 namespace osu.Game.Rulesets.Edit
 {
@@ -87,14 +88,13 @@ namespace osu.Game.Rulesets.Edit
         }
 
         /// <summary>
-        /// Updates the time and position of this <see cref="PlacementBlueprint"/> based on the provided snap information.
+        /// Updates the time and position of this <see cref="PlacementBlueprint"/>.
         /// </summary>
-        /// <param name="result">The snap result information.</param>
+        public override SnapResult UpdateTimeAndPosition(Vector2 screenSpacePosition, double time)
-        public override void UpdateTimeAndPosition(SnapResult result)
         {
             if (PlacementActive == PlacementState.Waiting)
             {
-                HitObject.StartTime = result.Time ?? EditorClock.CurrentTime;
+                HitObject.StartTime = time;
 
                 if (HitObject is IHasComboInformation comboInformation)
                     comboInformation.UpdateComboInformation(getPreviousHitObject() as IHasComboInformation);
@@ -129,6 +129,8 @@ namespace osu.Game.Rulesets.Edit
                 for (int i = 0; i < hasRepeats.NodeSamples.Count; i++)
                     hasRepeats.NodeSamples[i] = HitObject.Samples.Select(o => o.With()).ToList();
             }
+
+            return new SnapResult(screenSpacePosition, time);
         }
 
         /// <summary>

osu.Game/Rulesets/Edit/IPositionSnapProvider.cs

@@ -1,23 +0,0 @@
-// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
-// See the LICENCE file in the repository root for full licence text.
-
-using osu.Framework.Allocation;
-using osuTK;
-
-namespace osu.Game.Rulesets.Edit
-{
-    /// <summary>
-    /// A snap provider which given a proposed position for a hit object, potentially offers a more correct position and time value inferred from the context of the beatmap.
-    /// </summary>
-    [Cached]
-    public interface IPositionSnapProvider
-    {
-        /// <summary>
-        /// Given a position, find a valid time and position snap.
-        /// </summary>
-        /// <param name="screenSpacePosition">The screen-space position to be snapped.</param>
-        /// <param name="snapType">The type of snapping to apply.</param>
-        /// <returns>The time and position post-snapping.</returns>
-        SnapResult FindSnappedPositionAndTime(Vector2 screenSpacePosition, SnapType snapType = SnapType.All);
-    }
-}

osu.Game/Rulesets/Edit/PlacementBlueprint.cs

@@ -7,6 +7,7 @@ using osu.Framework.Input.Bindings;
 using osu.Framework.Input.Events;
 using osu.Game.Input.Bindings;
 using osu.Game.Rulesets.Objects;
+using osuTK;
 using osuTK.Input;
 
 namespace osu.Game.Rulesets.Edit
@@ -75,18 +76,7 @@ namespace osu.Game.Rulesets.Edit
             PlacementActive = PlacementState.Finished;
         }
 
-        /// <summary>
+        public abstract SnapResult UpdateTimeAndPosition(Vector2 screenSpacePosition, double fallbackTime);
-        /// Determines which objects to snap to for the snap result in <see cref="UpdateTimeAndPosition"/>.
-        /// </summary>
-        public virtual SnapType SnapType => SnapType.All;
-
-        /// <summary>
-        /// Updates the time and position of this <see cref="PlacementBlueprint"/> based on the provided snap information.
-        /// </summary>
-        /// <param name="result">The snap result information.</param>
-        public virtual void UpdateTimeAndPosition(SnapResult result)
-        {
-        }
 
         public bool OnPressed(KeyBindingPressEvent<GlobalAction> e)
         {

osu.Game/Rulesets/Edit/ScrollingHitObjectComposer.cs

@@ -117,6 +117,23 @@ namespace osu.Game.Rulesets.Edit
             }
         }
 
+        public SnapResult FindSnappedPositionAndTime(Vector2 screenSpacePosition)
+        {
+            var scrollingPlayfield = PlayfieldAtScreenSpacePosition(screenSpacePosition) as ScrollingPlayfield;
+            if (scrollingPlayfield == null)
+                return new SnapResult(screenSpacePosition, null);
+
+            double? targetTime = scrollingPlayfield.TimeAtScreenSpacePosition(screenSpacePosition);
+
+            // apply beat snapping
+            targetTime = BeatSnapProvider.SnapTime(targetTime.Value);
+
+            // convert back to screen space
+            screenSpacePosition = scrollingPlayfield.ScreenSpacePositionAtTime(targetTime.Value);
+
+            return new SnapResult(screenSpacePosition, targetTime, scrollingPlayfield);
+        }
+
         protected override void Dispose(bool isDisposing)
         {
             base.Dispose(isDisposing);

osu.Game/Rulesets/Edit/SnapType.cs

@@ -1,32 +0,0 @@
-// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
-// See the LICENCE file in the repository root for full licence text.
-
-using System;
-
-namespace osu.Game.Rulesets.Edit
-{
-    [Flags]
-    public enum SnapType
-    {
-        None = 0,
-
-        /// <summary>
-        /// Snapping to visible nearby objects.
-        /// </summary>
-        NearbyObjects = 1 << 0,
-
-        /// <summary>
-        /// Grids which are global to the playfield.
-        /// </summary>
-        GlobalGrids = 1 << 1,
-
-        /// <summary>
-        /// Grids which are relative to other nearby hit objects.
-        /// </summary>
-        RelativeGrids = 1 << 2,
-
-        AllGrids = RelativeGrids | GlobalGrids,
-
-        All = NearbyObjects | GlobalGrids | RelativeGrids,
-    }
-}

osu.Game/Rulesets/Scoring/HitEventExtensions.cs

@@ -28,11 +28,12 @@ namespace osu.Game.Rulesets.Scoring
             result ??= new UnstableRateCalculationResult();
 
             // Handle rewinding in the simplest way possible.
-            if (hitEvents.Count < result.EventCount + 1)
+            if (hitEvents.Count < result.LastProcessedIndex + 1)
                 result = new UnstableRateCalculationResult();
 
-            for (int i = result.EventCount; i < hitEvents.Count; i++)
+            for (int i = result.LastProcessedIndex + 1; i < hitEvents.Count; i++)
             {
+                result.LastProcessedIndex = i;
                 HitEvent e = hitEvents[i];
 
                 if (!AffectsUnstableRate(e))
@@ -84,6 +85,11 @@ namespace osu.Game.Rulesets.Scoring
         /// </remarks>
         public class UnstableRateCalculationResult
         {
+            /// <summary>
+            /// The last result index processed. For internal incremental calculation use.
+            /// </summary>
+            public int LastProcessedIndex = -1;
+
             /// <summary>
             /// Total events processed. For internal incremental calculation use.
             /// </summary>

osu.Game/Rulesets/UI/DrawableRuleset.cs

@@ -577,6 +577,11 @@ namespace osu.Game.Rulesets.UI
         /// </summary>
         public virtual bool AllowGameplayOverlays => true;
 
+        /// <summary>
+        /// On mobile devices, this specifies whether this ruleset requires the device to be in portrait orientation.
+        /// </summary>
+        public virtual bool RequiresPortraitOrientation => false;
+
         /// <summary>
         /// Sets a replay to be used, overriding local input.
         /// </summary>

osu.Game/Rulesets/UI/FrameStabilityContainer.cs

@@ -42,7 +42,7 @@ namespace osu.Game.Rulesets.UI
 
         private readonly Bindable<bool> waitingOnFrames = new Bindable<bool>();
 
-        private readonly double gameplayStartTime;
+        public double GameplayStartTime { get; }
 
         private IGameplayClock? parentGameplayClock;
 
@@ -85,7 +85,7 @@ namespace osu.Game.Rulesets.UI
 
             framedClock = new FramedClock(manualClock = new ManualClock());
 
-            this.gameplayStartTime = gameplayStartTime;
+            GameplayStartTime = gameplayStartTime;
         }
 
         [BackgroundDependencyLoader(true)]
@@ -257,8 +257,8 @@ namespace osu.Game.Rulesets.UI
                 return;
             }
 
-            if (manualClock.CurrentTime < gameplayStartTime)
+            if (manualClock.CurrentTime < GameplayStartTime)
-                manualClock.CurrentTime = proposedTime = Math.Min(gameplayStartTime, proposedTime);
+                manualClock.CurrentTime = proposedTime = Math.Min(GameplayStartTime, proposedTime);
             else if (Math.Abs(manualClock.CurrentTime - proposedTime) > sixty_frame_time * 1.2f)
             {
                 proposedTime = proposedTime > manualClock.CurrentTime

osu.Game/Screens/Edit/Compose/Components/BlueprintContainer.cs

@@ -43,9 +43,6 @@ namespace osu.Game.Screens.Edit.Compose.Components
 
         private readonly Dictionary<T, SelectionBlueprint<T>> blueprintMap = new Dictionary<T, SelectionBlueprint<T>>();
 
-        [Resolved(canBeNull: true)]
-        private IPositionSnapProvider snapProvider { get; set; }
-
         [Resolved(CanBeNull = true)]
         private IEditorChangeHandler changeHandler { get; set; }
 
@@ -333,19 +330,19 @@ namespace osu.Game.Screens.Edit.Compose.Components
 
         protected void RemoveBlueprintFor(T item)
         {
-            if (!blueprintMap.Remove(item, out var blueprint))
+            if (!blueprintMap.Remove(item, out var blueprintToRemove))
                 return;
 
-            blueprint.Deselect();
+            blueprintToRemove.Deselect();
-            blueprint.Selected -= OnBlueprintSelected;
+            blueprintToRemove.Selected -= OnBlueprintSelected;
-            blueprint.Deselected -= OnBlueprintDeselected;
+            blueprintToRemove.Deselected -= OnBlueprintDeselected;
 
-            SelectionBlueprints.Remove(blueprint, true);
+            SelectionBlueprints.Remove(blueprintToRemove, true);
 
-            if (movementBlueprints?.Contains(blueprint) == true)
+            if (movementBlueprints?.Any(m => m.blueprint == blueprintToRemove) == true)
                 finishSelectionMovement();
 
-            OnBlueprintRemoved(blueprint.Item);
+            OnBlueprintRemoved(blueprintToRemove.Item);
         }
 
         /// <summary>
@@ -538,8 +535,7 @@ namespace osu.Game.Screens.Edit.Compose.Components
 
         #region Selection Movement
 
-        private Vector2[][] movementBlueprintsOriginalPositions;
+        private (SelectionBlueprint<T> blueprint, Vector2[] originalSnapPositions)[] movementBlueprints;
-        private SelectionBlueprint<T>[] movementBlueprints;
 
         /// <summary>
         /// Whether a blueprint is currently being dragged.
@@ -572,8 +568,7 @@ namespace osu.Game.Screens.Edit.Compose.Components
                 return false;
 
             // Movement is tracked from the blueprint of the earliest item, since it only makes sense to distance snap from that item
-            movementBlueprints = SortForMovement(SelectionHandler.SelectedBlueprints).ToArray();
+            movementBlueprints = SortForMovement(SelectionHandler.SelectedBlueprints).Select(b => (b, b.ScreenSpaceSnapPoints)).ToArray();
-            movementBlueprintsOriginalPositions = movementBlueprints.Select(m => m.ScreenSpaceSnapPoints).ToArray();
             return true;
         }
 
@@ -594,68 +589,10 @@ namespace osu.Game.Screens.Edit.Compose.Components
             if (movementBlueprints == null)
                 return false;
 
-            Debug.Assert(movementBlueprintsOriginalPositions != null);
+            return TryMoveBlueprints(e, movementBlueprints);
-
-            Vector2 distanceTravelled = e.ScreenSpaceMousePosition - e.ScreenSpaceMouseDownPosition;
-
-            if (snapProvider != null)
-            {
-                for (int i = 0; i < movementBlueprints.Length; i++)
-                {
-                    if (checkSnappingBlueprintToNearbyObjects(movementBlueprints[i], distanceTravelled, movementBlueprintsOriginalPositions[i]))
-                        return true;
-                }
-            }
-
-            // if no positional snapping could be performed, try unrestricted snapping from the earliest
-            // item in the selection.
-
-            // The final movement position, relative to movementBlueprintOriginalPosition.
-            Vector2 movePosition = movementBlueprintsOriginalPositions.First().First() + distanceTravelled;
-
-            // Retrieve a snapped position.
-            var result = snapProvider?.FindSnappedPositionAndTime(movePosition, ~SnapType.NearbyObjects);
-
-            if (result == null)
-            {
-                return SelectionHandler.HandleMovement(new MoveSelectionEvent<T>(movementBlueprints.First(), movePosition - movementBlueprints.First().ScreenSpaceSelectionPoint));
-            }
-
-            return ApplySnapResult(movementBlueprints, result);
         }
 
-        /// <summary>
+        protected abstract bool TryMoveBlueprints(DragEvent e, IList<(SelectionBlueprint<T> blueprint, Vector2[] originalSnapPositions)> blueprints);
-        /// Check for positional snap for given blueprint.
-        /// </summary>
-        /// <param name="blueprint">The blueprint to check for snapping.</param>
-        /// <param name="distanceTravelled">Distance travelled since start of dragging action.</param>
-        /// <param name="originalPositions">The snap positions of blueprint before start of dragging action.</param>
-        /// <returns>Whether an object to snap to was found.</returns>
-        private bool checkSnappingBlueprintToNearbyObjects(SelectionBlueprint<T> blueprint, Vector2 distanceTravelled, Vector2[] originalPositions)
-        {
-            var currentPositions = blueprint.ScreenSpaceSnapPoints;
-
-            for (int i = 0; i < originalPositions.Length; i++)
-            {
-                Vector2 originalPosition = originalPositions[i];
-                var testPosition = originalPosition + distanceTravelled;
-
-                var positionalResult = snapProvider.FindSnappedPositionAndTime(testPosition, SnapType.NearbyObjects);
-
-                if (positionalResult.ScreenSpacePosition == testPosition) continue;
-
-                var delta = positionalResult.ScreenSpacePosition - currentPositions[i];
-
-                // attempt to move the objects, and abort any time based snapping if we can.
-                if (SelectionHandler.HandleMovement(new MoveSelectionEvent<T>(blueprint, delta)))
-                    return true;
-            }
-
-            return false;
-        }
-
-        protected virtual bool ApplySnapResult(SelectionBlueprint<T>[] blueprints, SnapResult result) =>
-            SelectionHandler.HandleMovement(new MoveSelectionEvent<T>(blueprints.First(), result.ScreenSpacePosition - blueprints.First().ScreenSpaceSelectionPoint));
 
         /// <summary>
         /// Finishes the current movement of selected blueprints.
@@ -666,7 +603,6 @@ namespace osu.Game.Screens.Edit.Compose.Components
             if (movementBlueprints == null)
                 return false;
 
-            movementBlueprintsOriginalPositions = null;
             movementBlueprints = null;
 
             return true;

osu.Game/Screens/Edit/Compose/Components/CircularDistanceSnapGrid.cs

@@ -16,9 +16,6 @@ namespace osu.Game.Screens.Edit.Compose.Components
 {
     public abstract partial class CircularDistanceSnapGrid : DistanceSnapGrid
     {
-        [Resolved]
-        private EditorClock editorClock { get; set; } = null!;
-
         protected CircularDistanceSnapGrid(HitObject referenceObject, Vector2 startPosition, double startTime, double? endTime = null)
             : base(referenceObject, startPosition, startTime, endTime)
         {
@@ -76,7 +73,7 @@ namespace osu.Game.Screens.Edit.Compose.Components
             }
         }
 
-        public override (Vector2 position, double time) GetSnappedPosition(Vector2 position)
+        public override (Vector2 position, double time) GetSnappedPosition(Vector2 position, double? fixedTime = null)
         {
             if (MaxIntervals == 0)
                 return (StartPosition, StartTime);
@@ -100,8 +97,8 @@ namespace osu.Game.Screens.Edit.Compose.Components
             if (travelLength < DistanceBetweenTicks)
                 travelLength = DistanceBetweenTicks;
 
-            float snappedDistance = LimitedDistanceSnap.Value
+            float snappedDistance = fixedTime != null
-                ? SnapProvider.DurationToDistance(ReferenceObject, editorClock.CurrentTime - ReferenceObject.GetEndTime())
+                ? SnapProvider.DurationToDistance(ReferenceObject, fixedTime.Value - ReferenceObject.GetEndTime())
                 // When interacting with the resolved snap provider, the distance spacing multiplier should first be removed
                 // to allow for snapping at a non-multiplied ratio.
                 : SnapProvider.FindSnappedDistance(ReferenceObject, travelLength / distanceSpacingMultiplier, DistanceSnapTarget.End);

osu.Game/Screens/Edit/Compose/Components/ComposeBlueprintContainer.cs

@@ -3,6 +3,7 @@
 
 #nullable disable
 
+using System;
 using System.Collections.Generic;
 using System.Linq;
 using Humanizer;
@@ -33,7 +34,7 @@ namespace osu.Game.Screens.Edit.Compose.Components
     /// <summary>
     /// A blueprint container generally displayed as an overlay to a ruleset's playfield.
     /// </summary>
-    public partial class ComposeBlueprintContainer : EditorBlueprintContainer
+    public abstract partial class ComposeBlueprintContainer : EditorBlueprintContainer
     {
         private readonly Container<PlacementBlueprint> placementBlueprintContainer;
 
@@ -52,7 +53,11 @@ namespace osu.Game.Screens.Edit.Compose.Components
         /// </remarks>
         public override bool ReceivePositionalInputAt(Vector2 screenSpacePos) => editorScreen?.MainContent.ReceivePositionalInputAt(screenSpacePos) ?? base.ReceivePositionalInputAt(screenSpacePos);
 
-        public ComposeBlueprintContainer(HitObjectComposer composer)
+        protected override IEnumerable<SelectionBlueprint<HitObject>> ApplySelectionOrder(IEnumerable<SelectionBlueprint<HitObject>> blueprints) =>
+            base.ApplySelectionOrder(blueprints)
+                .OrderBy(b => Math.Min(Math.Abs(EditorClock.CurrentTime - b.Item.GetEndTime()), Math.Abs(EditorClock.CurrentTime - b.Item.StartTime)));
+
+        protected ComposeBlueprintContainer(HitObjectComposer composer)
             : base(composer)
         {
             placementBlueprintContainer = new Container<PlacementBlueprint>
@@ -340,12 +345,7 @@ namespace osu.Game.Screens.Edit.Compose.Components
 
         private void updatePlacementTimeAndPosition()
         {
-            var snapResult = Composer.FindSnappedPositionAndTime(InputManager.CurrentState.Mouse.Position, CurrentPlacement.SnapType);
+            CurrentPlacement.UpdateTimeAndPosition(InputManager.CurrentState.Mouse.Position, Beatmap.SnapTime(EditorClock.CurrentTime, null));
-
-            // if no time was found from positional snapping, we should still quantize to the beat.
-            snapResult.Time ??= Beatmap.SnapTime(EditorClock.CurrentTime, null);
-
-            CurrentPlacement.UpdateTimeAndPosition(snapResult);
         }
 
         #endregion

osu.Game/Screens/Edit/Compose/Components/DistanceSnapGrid.cs

@@ -10,7 +10,6 @@ using osu.Framework.Extensions.Color4Extensions;
 using osu.Framework.Graphics;
 using osu.Framework.Graphics.Containers;
 using osu.Framework.Layout;
-using osu.Game.Configuration;
 using osu.Game.Graphics;
 using osu.Game.Rulesets.Edit;
 using osu.Game.Rulesets.Objects;
@@ -61,18 +60,6 @@ namespace osu.Game.Screens.Edit.Compose.Components
         [Resolved]
         private BindableBeatDivisor beatDivisor { get; set; }
 
-        /// <summary>
-        /// When enabled, distance snap should only snap to the current time (as per the editor clock).
-        /// This is to emulate stable behaviour.
-        /// </summary>
-        protected Bindable<bool> LimitedDistanceSnap { get; private set; }
-
-        [BackgroundDependencyLoader]
-        private void load(OsuConfigManager config)
-        {
-            LimitedDistanceSnap = config.GetBindable<bool>(OsuSetting.EditorLimitedDistanceSnap);
-        }
-
         private readonly LayoutValue gridCache = new LayoutValue(Invalidation.RequiredParentSizeToFit);
 
         protected readonly HitObject ReferenceObject;
@@ -143,8 +130,12 @@ namespace osu.Game.Screens.Edit.Compose.Components
         /// Snaps a position to this grid.
         /// </summary>
         /// <param name="position">The original position in coordinate space local to this <see cref="DistanceSnapGrid"/>.</param>
+        /// <param name="fixedTime">
+        /// Whether the snap operation should be temporally constrained to a particular time instant,
+        /// thus fixing the possible positions to a set distance from the <see cref="ReferenceObject"/>.
+        /// </param>
         /// <returns>A tuple containing the snapped position in coordinate space local to this <see cref="DistanceSnapGrid"/> and the respective time value.</returns>
-        public abstract (Vector2 position, double time) GetSnappedPosition(Vector2 position);
+        public abstract (Vector2 position, double time) GetSnappedPosition(Vector2 position, double? fixedTime = null);
 
         /// <summary>
         /// Retrieves the applicable colour for a beat index.

osu.Game/Screens/Edit/Compose/Components/EditorBlueprintContainer.cs

@@ -3,7 +3,6 @@
 
 #nullable disable
 
-using System;
 using System.Collections.Generic;
 using System.Collections.Specialized;
 using System.Linq;
@@ -17,7 +16,7 @@ using osu.Game.Rulesets.Objects.Drawables;
 
 namespace osu.Game.Screens.Edit.Compose.Components
 {
-    public partial class EditorBlueprintContainer : BlueprintContainer<HitObject>
+    public abstract partial class EditorBlueprintContainer : BlueprintContainer<HitObject>
     {
         [Resolved]
         protected EditorClock EditorClock { get; private set; }
@@ -73,27 +72,22 @@ namespace osu.Game.Screens.Edit.Compose.Components
         protected override IEnumerable<SelectionBlueprint<HitObject>> SortForMovement(IReadOnlyList<SelectionBlueprint<HitObject>> blueprints)
             => blueprints.OrderBy(b => b.Item.StartTime);
 
-        protected override bool ApplySnapResult(SelectionBlueprint<HitObject>[] blueprints, SnapResult result)
+        protected void ApplySnapResultTime(SnapResult result, double referenceTime)
         {
-            if (!base.ApplySnapResult(blueprints, result))
+            if (!result.Time.HasValue)
-                return false;
+                return;
 
-            if (result.Time.HasValue)
+            // Apply the start time at the newly snapped-to position
+            double offset = result.Time.Value - referenceTime;
+
+            if (offset != 0)
             {
-                // Apply the start time at the newly snapped-to position
+                Beatmap.PerformOnSelection(obj =>
-                double offset = result.Time.Value - blueprints.First().Item.StartTime;
-
-                if (offset != 0)
                 {
-                    Beatmap.PerformOnSelection(obj =>
+                    obj.StartTime += offset;
-                    {
+                    Beatmap.Update(obj);
-                        obj.StartTime += offset;
+                });
-                        Beatmap.Update(obj);
-                    });
-                }
             }
-
-            return true;
         }
 
         protected override void AddBlueprintFor(HitObject item)
@@ -131,10 +125,6 @@ namespace osu.Game.Screens.Edit.Compose.Components
             return true;
         }
 
-        protected override IEnumerable<SelectionBlueprint<HitObject>> ApplySelectionOrder(IEnumerable<SelectionBlueprint<HitObject>> blueprints) =>
-            base.ApplySelectionOrder(blueprints)
-                .OrderBy(b => Math.Min(Math.Abs(EditorClock.CurrentTime - b.Item.GetEndTime()), Math.Abs(EditorClock.CurrentTime - b.Item.StartTime)));
-
         protected override SelectionBlueprintContainer CreateSelectionBlueprintContainer() => new HitObjectOrderedSelectionContainer { RelativeSizeAxes = Axes.Both };
 
         protected override SelectionHandler<HitObject> CreateSelectionHandler() => new EditorSelectionHandler();

osu.Game/Screens/Edit/Compose/Components/Timeline/Timeline.cs

@@ -22,7 +22,7 @@ using osuTK.Input;
 namespace osu.Game.Screens.Edit.Compose.Components.Timeline
 {
     [Cached]
-    public partial class Timeline : ZoomableScrollContainer, IPositionSnapProvider
+    public partial class Timeline : ZoomableScrollContainer
     {
         private const float timeline_height = 80;
 
@@ -332,7 +332,7 @@ namespace osu.Game.Screens.Edit.Compose.Components.Timeline
             return (float)(time / editorClock.TrackLength * Content.DrawWidth);
         }
 
-        public SnapResult FindSnappedPositionAndTime(Vector2 screenSpacePosition, SnapType snapType = SnapType.All)
+        public SnapResult FindSnappedPositionAndTime(Vector2 screenSpacePosition)
         {
             double time = TimeAtPosition(Content.ToLocalSpace(screenSpacePosition).X);
             return new SnapResult(screenSpacePosition, beatSnapProvider.SnapTime(time));

osu.Game/Screens/Edit/Compose/Components/Timeline/TimelineBlueprintContainer.cs

@@ -107,6 +107,23 @@ namespace osu.Game.Screens.Edit.Compose.Components.Timeline
             return base.OnDragStart(e);
         }
 
+        protected override bool TryMoveBlueprints(DragEvent e, IList<(SelectionBlueprint<HitObject> blueprint, Vector2[] originalSnapPositions)> blueprints)
+        {
+            Vector2 distanceTravelled = e.ScreenSpaceMousePosition - e.ScreenSpaceMouseDownPosition;
+
+            // The final movement position, relative to movementBlueprintOriginalPosition.
+            Vector2 movePosition = blueprints.First().originalSnapPositions.First() + distanceTravelled;
+
+            // Retrieve a snapped position.
+            var result = timeline?.FindSnappedPositionAndTime(movePosition) ?? new SnapResult(movePosition, null);
+
+            var referenceBlueprint = blueprints.First().blueprint;
+            bool moved = SelectionHandler.HandleMovement(new MoveSelectionEvent<HitObject>(referenceBlueprint, result.ScreenSpacePosition - referenceBlueprint.ScreenSpaceSelectionPoint));
+            if (moved)
+                ApplySnapResultTime(result, referenceBlueprint.Item.StartTime);
+            return moved;
+        }
+
         private float dragTimeAccumulated;
 
         protected override void Update()

osu.Game/Screens/Edit/Editor.cs

@@ -330,6 +330,18 @@ namespace osu.Game.Screens.Edit
             editorTimelineShowTicks = config.GetBindable<bool>(OsuSetting.EditorTimelineShowTicks);
             editorContractSidebars = config.GetBindable<bool>(OsuSetting.EditorContractSidebars);
 
+            // These two settings don't work together. Make them mutually exclusive to let the user know.
+            editorAutoSeekOnPlacement.BindValueChanged(enabled =>
+            {
+                if (enabled.NewValue)
+                    editorLimitedDistanceSnap.Value = false;
+            });
+            editorLimitedDistanceSnap.BindValueChanged(enabled =>
+            {
+                if (enabled.NewValue)
+                    editorAutoSeekOnPlacement.Value = false;
+            });
+
             AddInternal(new OsuContextMenuContainer
             {
                 RelativeSizeAxes = Axes.Both,

osu.Game/Screens/Edit/Setup/ResourcesSection.cs

@@ -8,6 +8,7 @@ using osu.Framework.Allocation;
 using osu.Framework.Bindables;
 using osu.Framework.Graphics;
 using osu.Framework.Localisation;
+using osu.Framework.Logging;
 using osu.Game.Beatmaps;
 using osu.Game.Overlays;
 using osu.Game.Localisation;
@@ -97,7 +98,17 @@ namespace osu.Game.Screens.Edit.Setup
             if (!source.Exists)
                 return false;
 
-            var tagSource = TagLib.File.Create(source.FullName);
+            TagLib.File? tagSource;
+
+            try
+            {
+                tagSource = TagLib.File.Create(source.FullName);
+            }
+            catch (Exception e)
+            {
+                Logger.Error(e, "The selected audio track appears to be corrupted. Please select another one.");
+                return false;
+            }
 
             changeResource(source, applyToAllDifficulties, @"audio",
                 metadata => metadata.AudioFile,
@@ -192,16 +203,40 @@ namespace osu.Game.Screens.Edit.Setup
             editor?.Save();
         }
 
+        // to avoid scaring users, both background & audio choosers use fake `FileInfo`s with user-friendly filenames
+        // when displaying an imported beatmap rather than the actual SHA-named file in storage.
+        // however, that means that when a background or audio file is chosen that is broken or doesn't exist on disk when switching away from the fake files,
+        // the rollback could enter an infinite loop, because the fake `FileInfo`s *also* don't exist on disk - at least not in the fake location they indicate.
+        // to circumvent this issue, just allow rollback to proceed always without actually running any of the change logic to ensure visual consistency.
+        // note that this means that `Change{BackgroundImage,AudioTrack}()` are required to not have made any modifications to the beatmap files
+        // (or at least cleaned them up properly themselves) if they return `false`.
+        private bool rollingBackBackgroundChange;
+        private bool rollingBackAudioChange;
+
         private void backgroundChanged(ValueChangedEvent<FileInfo?> file)
         {
+            if (rollingBackBackgroundChange)
+                return;
+
             if (file.NewValue == null || !ChangeBackgroundImage(file.NewValue, backgroundChooser.ApplyToAllDifficulties.Value))
+            {
+                rollingBackBackgroundChange = true;
                 backgroundChooser.Current.Value = file.OldValue;
+                rollingBackBackgroundChange = false;
+            }
         }
 
         private void audioTrackChanged(ValueChangedEvent<FileInfo?> file)
         {
+            if (rollingBackAudioChange)
+                return;
+
             if (file.NewValue == null || !ChangeAudioTrack(file.NewValue, audioTrackChooser.ApplyToAllDifficulties.Value))
+            {
+                rollingBackAudioChange = true;
                 audioTrackChooser.Current.Value = file.OldValue;
+                rollingBackAudioChange = false;
+            }
         }
     }
 }

osu.Game/Screens/IOsuScreen.cs

@@ -61,6 +61,17 @@ namespace osu.Game.Screens
         /// </summary>
         bool HideMenuCursorOnNonMouseInput { get; }
 
+        /// <summary>
+        /// On mobile phones, this specifies whether this <see cref="OsuScreen"/> requires the device to be in portrait orientation.
+        /// Tablet devices are unaffected by this property.
+        /// </summary>
+        /// <remarks>
+        /// By default, all screens in the game display in landscape orientation on phones.
+        /// Setting this to <c>true</c> will display this screen in portrait orientation instead,
+        /// and switch back to landscape when transitioning back to a regular non-portrait screen.
+        /// </remarks>
+        bool RequiresPortraitOrientation { get; }
+
         /// <summary>
         /// Whether overlays should be able to be opened when this screen is current.
         /// </summary>

osu.Game/Screens/OnlinePlay/Lounge/Components/DrawableRoom.cs

@@ -12,15 +12,19 @@ using osu.Framework.Extensions.Color4Extensions;
 using osu.Framework.Graphics;
 using osu.Framework.Graphics.Colour;
 using osu.Framework.Graphics.Containers;
+using osu.Framework.Graphics.Cursor;
 using osu.Framework.Graphics.Effects;
 using osu.Framework.Graphics.Shapes;
 using osu.Framework.Graphics.Sprites;
+using osu.Framework.Graphics.UserInterface;
 using osu.Game.Beatmaps;
 using osu.Game.Beatmaps.Drawables;
 using osu.Game.Database;
 using osu.Game.Graphics;
 using osu.Game.Graphics.Containers;
 using osu.Game.Graphics.Sprites;
+using osu.Game.Graphics.UserInterface;
+using osu.Game.Online.API;
 using osu.Game.Online.Chat;
 using osu.Game.Online.Rooms;
 using osu.Game.Overlays;
@@ -31,11 +35,17 @@ using Container = osu.Framework.Graphics.Containers.Container;
 
 namespace osu.Game.Screens.OnlinePlay.Lounge.Components
 {
-    public abstract partial class DrawableRoom : CompositeDrawable
+    public abstract partial class DrawableRoom : CompositeDrawable, IHasContextMenu
     {
         protected const float CORNER_RADIUS = 10;
         private const float height = 100;
 
+        [Resolved]
+        private IAPIProvider api { get; set; } = null!;
+
+        [Resolved]
+        private OsuGame? game { get; set; }
+
         public readonly Room Room;
 
         protected readonly Bindable<PlaylistItem?> SelectedItem = new Bindable<PlaylistItem?>();
@@ -335,6 +345,26 @@ namespace osu.Game.Screens.OnlinePlay.Lounge.Components
             }
         }
 
+        public virtual MenuItem[] ContextMenuItems
+        {
+            get
+            {
+                var items = new List<MenuItem>();
+
+                if (Room.RoomID.HasValue)
+                {
+                    items.AddRange([
+                        new OsuMenuItem("View in browser", MenuItemType.Standard, () => game?.OpenUrlExternally(formatRoomUrl(Room.RoomID.Value))),
+                        new OsuMenuItem("Copy link", MenuItemType.Standard, () => game?.CopyUrlToClipboard(formatRoomUrl(Room.RoomID.Value)))
+                    ]);
+                }
+
+                return items.ToArray();
+
+                string formatRoomUrl(long id) => $@"{api.WebsiteRootUrl}/multiplayer/rooms/{id}";
+            }
+        }
+
         protected virtual UpdateableBeatmapBackgroundSprite CreateBackground() => new UpdateableBeatmapBackgroundSprite();
 
         protected virtual IEnumerable<Drawable> CreateBottomDetails()