Merge branch 'master' into ruleset-selection-duck-tweak

.github/workflows/ci.yml

@@ -88,7 +88,7 @@ jobs:
       # Attempt to upload results even if test fails.
       # https://docs.github.com/en/actions/reference/context-and-expression-syntax-for-github-actions#always
       - name: Upload Test Results
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v4
         if: ${{ always() }}
         with:
           name: osu-test-results-${{matrix.os.prettyname}}-${{matrix.threadingMode}}

osu.Android.props

@@ -10,7 +10,7 @@
     <EmbedAssembliesIntoApk>true</EmbedAssembliesIntoApk>
   </PropertyGroup>
   <ItemGroup>
-    <PackageReference Include="ppy.osu.Framework.Android" Version="2024.1009.0" />
+    <PackageReference Include="ppy.osu.Framework.Android" Version="2024.1025.0" />
   </ItemGroup>
   <PropertyGroup>
     <!-- Fody does not handle Android build well, and warns when unchanged.

osu.Android/GameplayScreenRotationLocker.cs

@@ -5,7 +5,6 @@ using Android.Content.PM;
 using osu.Framework.Allocation;
 using osu.Framework.Bindables;
 using osu.Framework.Graphics;
-using osu.Game;
 using osu.Game.Screens.Play;
 
 namespace osu.Android
@@ -28,7 +27,7 @@ namespace osu.Android
         {
             gameActivity.RunOnUiThread(() =>
             {
-                gameActivity.RequestedOrientation = userPlaying.NewValue != LocalUserPlayingState.NotPlaying ? ScreenOrientation.Locked : gameActivity.DefaultOrientation;
+                gameActivity.RequestedOrientation = userPlaying.NewValue == LocalUserPlayingState.Playing ? ScreenOrientation.Locked : gameActivity.DefaultOrientation;
             });
         }
     }

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

@@ -8,7 +8,6 @@ namespace osu.Game.Rulesets.Catch.Edit
 {
     public partial class CatchEditorPlayfield : CatchPlayfield
     {
-        // TODO fixme: the size of the catcher is not changed when circle size is changed in setup screen.
         public CatchEditorPlayfield(IBeatmapDifficultyInfo difficulty)
             : base(difficulty)
         {

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

@@ -2,16 +2,22 @@
 // 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.Extensions.ObjectExtensions;
 using osu.Game.Beatmaps;
 using osu.Game.Rulesets.Catch.UI;
 using osu.Game.Rulesets.Mods;
 using osu.Game.Rulesets.UI;
+using osu.Game.Screens.Edit;
 
 namespace osu.Game.Rulesets.Catch.Edit
 {
     public partial class DrawableCatchEditorRuleset : DrawableCatchRuleset
     {
+        [Resolved]
+        private EditorBeatmap editorBeatmap { get; set; } = null!;
+
         public readonly BindableDouble TimeRangeMultiplier = new BindableDouble(1);
 
         public DrawableCatchEditorRuleset(Ruleset ruleset, IBeatmap beatmap, IReadOnlyList<Mod>? mods = null)
@@ -28,6 +34,30 @@ namespace osu.Game.Rulesets.Catch.Edit
             TimeRange.Value = gamePlayTimeRange * TimeRangeMultiplier.Value * playfieldStretch;
         }
 
+        protected override void LoadComplete()
+        {
+            base.LoadComplete();
+
+            editorBeatmap.BeatmapReprocessed += onBeatmapReprocessed;
+        }
+
+        protected override void Dispose(bool isDisposing)
+        {
+            base.Dispose(isDisposing);
+
+            if (editorBeatmap.IsNotNull())
+                editorBeatmap.BeatmapReprocessed -= onBeatmapReprocessed;
+        }
+
+        private void onBeatmapReprocessed()
+        {
+            if (Playfield is CatchEditorPlayfield catchPlayfield)
+            {
+                catchPlayfield.Catcher.ApplyDifficulty(editorBeatmap.Difficulty);
+                catchPlayfield.CatcherArea.CatcherTrails.UpdateCatcherTrailsScale(catchPlayfield.Catcher.BodyScale);
+            }
+        }
+
         protected override Playfield CreatePlayfield() => new CatchEditorPlayfield(Beatmap.Difficulty);
 
         public override PlayfieldAdjustmentContainer CreatePlayfieldAdjustmentContainer() => new CatchEditorPlayfieldAdjustmentContainer();

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

@@ -116,7 +116,7 @@ namespace osu.Game.Rulesets.Catch.UI
         /// <summary>
         /// Width of the area that can be used to attempt catches during gameplay.
         /// </summary>
-        public readonly float CatchWidth;
+        public float CatchWidth { get; private set; }
 
         private readonly SkinnableCatcher body;
 
@@ -142,10 +142,7 @@ namespace osu.Game.Rulesets.Catch.UI
 
             Size = new Vector2(BASE_SIZE);
 
-            if (difficulty != null)
+            ApplyDifficulty(difficulty);
-                Scale = calculateScale(difficulty);
-
-            CatchWidth = CalculateCatchWidth(Scale);
 
             InternalChildren = new Drawable[]
             {
@@ -312,6 +309,17 @@ namespace osu.Game.Rulesets.Catch.UI
             }
         }
 
+        /// <summary>
+        /// Set the scale and catch width.
+        /// </summary>
+        public void ApplyDifficulty(IBeatmapDifficultyInfo? difficulty)
+        {
+            if (difficulty != null)
+                Scale = calculateScale(difficulty);
+
+            CatchWidth = CalculateCatchWidth(Scale);
+        }
+
         /// <summary>
         /// Drop any fruit off the plate.
         /// </summary>

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

@@ -32,7 +32,7 @@ namespace osu.Game.Rulesets.Catch.UI
 
         private readonly CatchComboDisplay comboDisplay;
 
-        private readonly CatcherTrailDisplay catcherTrails;
+        public readonly CatcherTrailDisplay CatcherTrails;
 
         private Catcher catcher = null!;
 
@@ -55,7 +55,7 @@ namespace osu.Game.Rulesets.Catch.UI
             Children = new Drawable[]
             {
                 catcherContainer = new Container<Catcher> { RelativeSizeAxes = Axes.Both },
-                catcherTrails = new CatcherTrailDisplay(),
+                CatcherTrails = new CatcherTrailDisplay(),
                 comboDisplay = new CatchComboDisplay
                 {
                     RelativeSizeAxes = Axes.None,
@@ -112,7 +112,7 @@ namespace osu.Game.Rulesets.Catch.UI
             {
                 const double trail_generation_interval = 16;
 
-                if (Time.Current - catcherTrails.LastDashTrailTime >= trail_generation_interval)
+                if (Time.Current - CatcherTrails.LastDashTrailTime >= trail_generation_interval)
                     displayCatcherTrail(Catcher.HyperDashing ? CatcherTrailAnimation.HyperDashing : CatcherTrailAnimation.Dashing);
             }
 
@@ -170,6 +170,6 @@ namespace osu.Game.Rulesets.Catch.UI
             }
         }
 
-        private void displayCatcherTrail(CatcherTrailAnimation animation) => catcherTrails.Add(new CatcherTrailEntry(Time.Current, Catcher.CurrentState, Catcher.X, Catcher.BodyScale, animation));
+        private void displayCatcherTrail(CatcherTrailAnimation animation) => CatcherTrails.Add(new CatcherTrailEntry(Time.Current, Catcher.CurrentState, Catcher.X, Catcher.BodyScale, animation));
     }
 }

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

@@ -2,6 +2,7 @@
 // See the LICENCE file in the repository root for full licence text.
 
 using System;
+using System.Linq;
 using osu.Framework.Allocation;
 using osu.Framework.Extensions.ObjectExtensions;
 using osu.Framework.Graphics;
@@ -10,6 +11,7 @@ using osu.Framework.Graphics.Pooling;
 using osu.Game.Rulesets.Catch.Skinning;
 using osu.Game.Rulesets.Objects.Pooling;
 using osu.Game.Skinning;
+using osuTK;
 using osuTK.Graphics;
 
 namespace osu.Game.Rulesets.Catch.UI
@@ -55,6 +57,25 @@ namespace osu.Game.Rulesets.Catch.UI
             };
         }
 
+        /// <summary>
+        /// Update the scale of all trails.
+        /// </summary>
+        /// <param name="scale">The new body scale of the Catcher</param>
+        public void UpdateCatcherTrailsScale(Vector2 scale)
+        {
+            var oldEntries = Entries.ToList();
+
+            Clear();
+
+            foreach (var oldEntry in oldEntries)
+            {
+                // use magnitude of the new scale while preserving the sign of the old one in the X direction.
+                // the end effect is preserving the direction in which the trail sprites face, which is important.
+                var targetScale = new Vector2(Math.Abs(scale.X) * Math.Sign(oldEntry.Scale.X), Math.Abs(scale.Y));
+                Add(new CatcherTrailEntry(oldEntry.LifetimeStart, oldEntry.CatcherState, oldEntry.Position, targetScale, oldEntry.Animation));
+            }
+        }
+
         protected override void LoadComplete()
         {
             base.LoadComplete();

osu.Game.Rulesets.Osu/Difficulty/OsuPerformanceCalculator.cs

@@ -59,6 +59,7 @@ namespace osu.Game.Rulesets.Osu.Difficulty
             countMiss = score.Statistics.GetValueOrDefault(HitResult.Miss);
             countSliderEndsDropped = osuAttributes.SliderCount - score.Statistics.GetValueOrDefault(HitResult.SliderTailHit);
             countSliderTickMiss = score.Statistics.GetValueOrDefault(HitResult.LargeTickMiss);
+            effectiveMissCount = countMiss;
 
             if (osuAttributes.SliderCount > 0)
             {
@@ -87,6 +88,7 @@ namespace osu.Game.Rulesets.Osu.Difficulty
             }
 
             effectiveMissCount = Math.Max(countMiss, effectiveMissCount);
+            effectiveMissCount = Math.Min(totalHits, effectiveMissCount);
 
             double multiplier = PERFORMANCE_BASE_MULTIPLIER;
 

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

@@ -53,6 +53,8 @@ namespace osu.Game.Rulesets.Osu.Edit
         [BackgroundDependencyLoader]
         private void load()
         {
+            AllowableAnchors = new[] { Anchor.CentreLeft, Anchor.CentreRight };
+
             Child = new FillFlowContainer
             {
                 Width = 220,

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

@@ -10,6 +10,7 @@ using osu.Framework.Graphics;
 using osu.Framework.Graphics.Containers;
 using osu.Framework.Graphics.Sprites;
 using osu.Framework.Input.Events;
+using osu.Game.Configuration;
 using osu.Game.Graphics.UserInterfaceV2;
 using osu.Game.Input.Bindings;
 using osu.Game.Rulesets.Osu.UI;
@@ -25,13 +26,17 @@ namespace osu.Game.Rulesets.Osu.Edit
 
         private readonly OsuGridToolboxGroup gridToolbox;
 
-        private readonly Bindable<PreciseRotationInfo> rotationInfo = new Bindable<PreciseRotationInfo>(new PreciseRotationInfo(0, RotationOrigin.GridCentre));
+        private readonly Bindable<PreciseRotationInfo> rotationInfo = new Bindable<PreciseRotationInfo>(new PreciseRotationInfo(0, EditorOrigin.GridCentre));
 
         private SliderWithTextBoxInput<float> angleInput = null!;
         private EditorRadioButtonCollection rotationOrigin = null!;
 
+        private RadioButton gridCentreButton = null!;
+        private RadioButton playfieldCentreButton = null!;
         private RadioButton selectionCentreButton = null!;
 
+        private Bindable<EditorOrigin> configRotationOrigin = null!;
+
         public PreciseRotationPopover(SelectionRotationHandler rotationHandler, OsuGridToolboxGroup gridToolbox)
         {
             this.rotationHandler = rotationHandler;
@@ -41,8 +46,10 @@ namespace osu.Game.Rulesets.Osu.Edit
         }
 
         [BackgroundDependencyLoader]
-        private void load()
+        private void load(OsuConfigManager config)
         {
+            configRotationOrigin = config.GetBindable<EditorOrigin>(OsuSetting.EditorRotationOrigin);
+
             Child = new FillFlowContainer
             {
                 Width = 220,
@@ -66,14 +73,14 @@ namespace osu.Game.Rulesets.Osu.Edit
                         RelativeSizeAxes = Axes.X,
                         Items = new[]
                         {
-                            new RadioButton("Grid centre",
+                            gridCentreButton = new RadioButton("Grid centre",
-                                () => rotationInfo.Value = rotationInfo.Value with { Origin = RotationOrigin.GridCentre },
+                                () => rotationInfo.Value = rotationInfo.Value with { Origin = EditorOrigin.GridCentre },
                                 () => new SpriteIcon { Icon = FontAwesome.Regular.PlusSquare }),
-                            new RadioButton("Playfield centre",
+                            playfieldCentreButton = new RadioButton("Playfield centre",
-                                () => rotationInfo.Value = rotationInfo.Value with { Origin = RotationOrigin.PlayfieldCentre },
+                                () => rotationInfo.Value = rotationInfo.Value with { Origin = EditorOrigin.PlayfieldCentre },
                                 () => new SpriteIcon { Icon = FontAwesome.Regular.Square }),
                             selectionCentreButton = new RadioButton("Selection centre",
-                                () => rotationInfo.Value = rotationInfo.Value with { Origin = RotationOrigin.SelectionCentre },
+                                () => rotationInfo.Value = rotationInfo.Value with { Origin = EditorOrigin.SelectionCentre },
                                 () => new SpriteIcon { Icon = FontAwesome.Solid.VectorSquare })
                         }
                     }
@@ -95,13 +102,63 @@ namespace osu.Game.Rulesets.Osu.Edit
                 angleInput.SelectAll();
             });
             angleInput.Current.BindValueChanged(angle => rotationInfo.Value = rotationInfo.Value with { Degrees = angle.NewValue });
-            rotationOrigin.Items.First().Select();
 
             rotationHandler.CanRotateAroundSelectionOrigin.BindValueChanged(e =>
             {
                 selectionCentreButton.Selected.Disabled = !e.NewValue;
             }, true);
 
+            bool didSelect = false;
+
+            configRotationOrigin.BindValueChanged(val =>
+            {
+                switch (configRotationOrigin.Value)
+                {
+                    case EditorOrigin.GridCentre:
+                        if (!gridCentreButton.Selected.Disabled)
+                        {
+                            gridCentreButton.Select();
+                            didSelect = true;
+                        }
+
+                        break;
+
+                    case EditorOrigin.PlayfieldCentre:
+                        if (!playfieldCentreButton.Selected.Disabled)
+                        {
+                            playfieldCentreButton.Select();
+                            didSelect = true;
+                        }
+
+                        break;
+
+                    case EditorOrigin.SelectionCentre:
+                        if (!selectionCentreButton.Selected.Disabled)
+                        {
+                            selectionCentreButton.Select();
+                            didSelect = true;
+                        }
+
+                        break;
+                }
+            }, true);
+
+            if (!didSelect)
+                rotationOrigin.Items.First(b => !b.Selected.Disabled).Select();
+
+            gridCentreButton.Selected.BindValueChanged(b =>
+            {
+                if (b.NewValue) configRotationOrigin.Value = EditorOrigin.GridCentre;
+            });
+            playfieldCentreButton.Selected.BindValueChanged(b =>
+            {
+                if (b.NewValue) configRotationOrigin.Value = EditorOrigin.PlayfieldCentre;
+            });
+            selectionCentreButton.Selected.BindValueChanged(b =>
+            {
+                if (b.NewValue) configRotationOrigin.Value = EditorOrigin.SelectionCentre;
+            });
+
             rotationInfo.BindValueChanged(rotation =>
             {
                 rotationHandler.Update(rotation.NewValue.Degrees, getOriginPosition(rotation.NewValue));
@@ -111,9 +168,9 @@ namespace osu.Game.Rulesets.Osu.Edit
         private Vector2? getOriginPosition(PreciseRotationInfo rotation) =>
             rotation.Origin switch
             {
-                RotationOrigin.GridCentre => gridToolbox.StartPosition.Value,
+                EditorOrigin.GridCentre => gridToolbox.StartPosition.Value,
-                RotationOrigin.PlayfieldCentre => OsuPlayfield.BASE_SIZE / 2,
+                EditorOrigin.PlayfieldCentre => OsuPlayfield.BASE_SIZE / 2,
-                RotationOrigin.SelectionCentre => null,
+                EditorOrigin.SelectionCentre => null,
                 _ => throw new ArgumentOutOfRangeException(nameof(rotation))
             };
 
@@ -143,12 +200,5 @@ namespace osu.Game.Rulesets.Osu.Edit
         }
     }
 
-    public enum RotationOrigin
+    public record PreciseRotationInfo(float Degrees, EditorOrigin Origin);
-    {
-        GridCentre,
-        PlayfieldCentre,
-        SelectionCentre
-    }
-
-    public record PreciseRotationInfo(float Degrees, RotationOrigin Origin);
 }

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

@@ -10,6 +10,7 @@ using osu.Framework.Graphics;
 using osu.Framework.Graphics.Containers;
 using osu.Framework.Graphics.Sprites;
 using osu.Framework.Input.Events;
+using osu.Game.Configuration;
 using osu.Game.Graphics.UserInterface;
 using osu.Game.Graphics.UserInterfaceV2;
 using osu.Game.Input.Bindings;
@@ -18,6 +19,7 @@ using osu.Game.Rulesets.Osu.Objects;
 using osu.Game.Rulesets.Osu.UI;
 using osu.Game.Screens.Edit;
 using osu.Game.Screens.Edit.Components.RadioButtons;
+using osu.Game.Screens.Edit.Compose.Components;
 using osuTK;
 
 namespace osu.Game.Rulesets.Osu.Edit
@@ -28,7 +30,7 @@ namespace osu.Game.Rulesets.Osu.Edit
 
         private readonly OsuGridToolboxGroup gridToolbox;
 
-        private readonly Bindable<PreciseScaleInfo> scaleInfo = new Bindable<PreciseScaleInfo>(new PreciseScaleInfo(1, ScaleOrigin.GridCentre, true, true));
+        private readonly Bindable<PreciseScaleInfo> scaleInfo = new Bindable<PreciseScaleInfo>(new PreciseScaleInfo(1, EditorOrigin.GridCentre, true, true));
 
         private SliderWithTextBoxInput<float> scaleInput = null!;
         private BindableNumber<float> scaleInputBindable = null!;
@@ -41,6 +43,8 @@ namespace osu.Game.Rulesets.Osu.Edit
         private OsuCheckbox xCheckBox = null!;
         private OsuCheckbox yCheckBox = null!;
 
+        private Bindable<EditorOrigin> configScaleOrigin = null!;
+
         private BindableList<HitObject> selectedItems { get; } = new BindableList<HitObject>();
 
         public PreciseScalePopover(OsuSelectionScaleHandler scaleHandler, OsuGridToolboxGroup gridToolbox)
@@ -52,10 +56,12 @@ namespace osu.Game.Rulesets.Osu.Edit
         }
 
         [BackgroundDependencyLoader]
-        private void load(EditorBeatmap editorBeatmap)
+        private void load(EditorBeatmap editorBeatmap, OsuConfigManager config)
         {
             selectedItems.BindTo(editorBeatmap.SelectedHitObjects);
 
+            configScaleOrigin = config.GetBindable<EditorOrigin>(OsuSetting.EditorScaleOrigin);
+
             Child = new FillFlowContainer
             {
                 Width = 220,
@@ -67,7 +73,7 @@ namespace osu.Game.Rulesets.Osu.Edit
                     {
                         Current = scaleInputBindable = new BindableNumber<float>
                         {
-                            MinValue = 0.5f,
+                            MinValue = 0.05f,
                             MaxValue = 2,
                             Precision = 0.001f,
                             Value = 1,
@@ -82,13 +88,13 @@ namespace osu.Game.Rulesets.Osu.Edit
                         Items = new[]
                         {
                             gridCentreButton = new RadioButton("Grid centre",
-                                () => setOrigin(ScaleOrigin.GridCentre),
+                                () => setOrigin(EditorOrigin.GridCentre),
                                 () => new SpriteIcon { Icon = FontAwesome.Regular.PlusSquare }),
                             playfieldCentreButton = new RadioButton("Playfield centre",
-                                () => setOrigin(ScaleOrigin.PlayfieldCentre),
+                                () => setOrigin(EditorOrigin.PlayfieldCentre),
                                 () => new SpriteIcon { Icon = FontAwesome.Regular.Square }),
                             selectionCentreButton = new RadioButton("Selection centre",
-                                () => setOrigin(ScaleOrigin.SelectionCentre),
+                                () => setOrigin(EditorOrigin.SelectionCentre),
                                 () => new SpriteIcon { Icon = FontAwesome.Solid.VectorSquare })
                         }
                     },
@@ -165,7 +171,56 @@ namespace osu.Game.Rulesets.Osu.Edit
             playfieldCentreButton.Selected.Disabled = scaleHandler.IsScalingSlider.Value && !selectionCentreButton.Selected.Disabled;
             gridCentreButton.Selected.Disabled = playfieldCentreButton.Selected.Disabled;
 
-            scaleOrigin.Items.First(b => !b.Selected.Disabled).Select();
+            bool didSelect = false;
+
+            configScaleOrigin.BindValueChanged(val =>
+            {
+                switch (configScaleOrigin.Value)
+                {
+                    case EditorOrigin.GridCentre:
+                        if (!gridCentreButton.Selected.Disabled)
+                        {
+                            gridCentreButton.Select();
+                            didSelect = true;
+                        }
+
+                        break;
+
+                    case EditorOrigin.PlayfieldCentre:
+                        if (!playfieldCentreButton.Selected.Disabled)
+                        {
+                            playfieldCentreButton.Select();
+                            didSelect = true;
+                        }
+
+                        break;
+
+                    case EditorOrigin.SelectionCentre:
+                        if (!selectionCentreButton.Selected.Disabled)
+                        {
+                            selectionCentreButton.Select();
+                            didSelect = true;
+                        }
+
+                        break;
+                }
+            }, true);
+
+            if (!didSelect)
+                scaleOrigin.Items.First(b => !b.Selected.Disabled).Select();
+
+            gridCentreButton.Selected.BindValueChanged(b =>
+            {
+                if (b.NewValue) configScaleOrigin.Value = EditorOrigin.GridCentre;
+            });
+            playfieldCentreButton.Selected.BindValueChanged(b =>
+            {
+                if (b.NewValue) configScaleOrigin.Value = EditorOrigin.PlayfieldCentre;
+            });
+            selectionCentreButton.Selected.BindValueChanged(b =>
+            {
+                if (b.NewValue) configScaleOrigin.Value = EditorOrigin.SelectionCentre;
+            });
 
             scaleInfo.BindValueChanged(scale =>
             {
@@ -182,7 +237,7 @@ namespace osu.Game.Rulesets.Osu.Edit
 
         private void updateAxisCheckBoxesEnabled()
         {
-            if (scaleInfo.Value.Origin != ScaleOrigin.SelectionCentre)
+            if (scaleInfo.Value.Origin != EditorOrigin.SelectionCentre)
             {
                 toggleAxisAvailable(xCheckBox.Current, true);
                 toggleAxisAvailable(yCheckBox.Current, true);
@@ -208,7 +263,7 @@ namespace osu.Game.Rulesets.Osu.Edit
             if (!scaleHandler.OriginalSurroundingQuad.HasValue)
                 return;
 
-            const float min_scale = 0.5f;
+            const float min_scale = 0.05f;
             const float max_scale = 10;
 
             var scale = scaleHandler.ClampScaleToPlayfieldBounds(new Vector2(max_scale), getOriginPosition(scaleInfo.Value), getAdjustAxis(scaleInfo.Value), getRotation(scaleInfo.Value));
@@ -230,7 +285,7 @@ namespace osu.Game.Rulesets.Osu.Edit
             scaleInputBindable.MinValue = MathF.Min(1, MathF.Max(scale.X, scale.Y));
         }
 
-        private void setOrigin(ScaleOrigin origin)
+        private void setOrigin(EditorOrigin origin)
         {
             scaleInfo.Value = scaleInfo.Value with { Origin = origin };
             updateMinMaxScale();
@@ -241,13 +296,13 @@ namespace osu.Game.Rulesets.Osu.Edit
         {
             switch (scale.Origin)
             {
-                case ScaleOrigin.GridCentre:
+                case EditorOrigin.GridCentre:
                     return gridToolbox.StartPosition.Value;
 
-                case ScaleOrigin.PlayfieldCentre:
+                case EditorOrigin.PlayfieldCentre:
                     return OsuPlayfield.BASE_SIZE / 2;
 
-                case ScaleOrigin.SelectionCentre:
+                case EditorOrigin.SelectionCentre:
                     if (selectedItems.Count == 1 && selectedItems.First() is Slider slider)
                         return slider.Position;
 
@@ -271,7 +326,7 @@ namespace osu.Game.Rulesets.Osu.Edit
             return result;
         }
 
-        private float getRotation(PreciseScaleInfo scale) => scale.Origin == ScaleOrigin.GridCentre ? gridToolbox.GridLinesRotation.Value : 0;
+        private float getRotation(PreciseScaleInfo scale) => scale.Origin == EditorOrigin.GridCentre ? gridToolbox.GridLinesRotation.Value : 0;
 
         protected override void PopIn()
         {
@@ -299,12 +354,5 @@ namespace osu.Game.Rulesets.Osu.Edit
         }
     }
 
-    public enum ScaleOrigin
+    public record PreciseScaleInfo(float Scale, EditorOrigin Origin, bool XAxis, bool YAxis);
-    {
-        GridCentre,
-        PlayfieldCentre,
-        SelectionCentre
-    }
-
-    public record PreciseScaleInfo(float Scale, ScaleOrigin Origin, bool XAxis, bool YAxis);
 }

osu.Game.Rulesets.Taiko.Tests/Judgements/JudgementTest.cs

@@ -43,6 +43,7 @@ namespace osu.Game.Rulesets.Taiko.Tests.Judgements
             AddStep("load player", () =>
             {
                 Beatmap.Value = CreateWorkingBeatmap(beatmap);
+                Ruleset.Value = new TaikoRuleset().RulesetInfo;
                 SelectedMods.Value = mods ?? Array.Empty<Mod>();
 
                 var p = new ScoreAccessibleReplayPlayer(new Score { Replay = new Replay { Frames = frames } });

osu.Game.Rulesets.Taiko/Difficulty/Skills/Stamina.cs

@@ -1,33 +1,55 @@
 // Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
 // See the LICENCE file in the repository root for full licence text.
 
+using System;
 using osu.Game.Rulesets.Difficulty.Preprocessing;
 using osu.Game.Rulesets.Difficulty.Skills;
 using osu.Game.Rulesets.Mods;
 using osu.Game.Rulesets.Taiko.Difficulty.Evaluators;
+using osu.Game.Rulesets.Taiko.Difficulty.Preprocessing;
 
 namespace osu.Game.Rulesets.Taiko.Difficulty.Skills
 {
     /// <summary>
     /// Calculates the stamina coefficient of taiko difficulty.
     /// </summary>
-    public class Stamina : StrainDecaySkill
+    public class Stamina : StrainSkill
     {
-        protected override double SkillMultiplier => 1.1;
+        private double skillMultiplier => 1.1;
-        protected override double StrainDecayBase => 0.4;
+        private double strainDecayBase => 0.4;
+
+        private readonly bool singleColourStamina;
+
+        private double currentStrain;
 
         /// <summary>
         /// Creates a <see cref="Stamina"/> skill.
         /// </summary>
         /// <param name="mods">Mods for use in skill calculations.</param>
-        public Stamina(Mod[] mods)
+        /// <param name="singleColourStamina">Reads when Stamina is from a single coloured pattern.</param>
+        public Stamina(Mod[] mods, bool singleColourStamina)
             : base(mods)
         {
+            this.singleColourStamina = singleColourStamina;
         }
 
-        protected override double StrainValueOf(DifficultyHitObject current)
+        private double strainDecay(double ms) => Math.Pow(strainDecayBase, ms / 1000);
+
+        protected override double StrainValueAt(DifficultyHitObject current)
         {
-            return StaminaEvaluator.EvaluateDifficultyOf(current);
+            currentStrain *= strainDecay(current.DeltaTime);
+            currentStrain += StaminaEvaluator.EvaluateDifficultyOf(current) * skillMultiplier;
+
+            // Safely prevents previous strains from shifting as new notes are added.
+            var currentObject = current as TaikoDifficultyHitObject;
+            int index = currentObject?.Colour.MonoStreak?.HitObjects.IndexOf(currentObject) ?? 0;
+
+            if (singleColourStamina)
+                return currentStrain / (1 + Math.Exp(-(index - 10) / 2.0));
+
+            return currentStrain;
         }
+
+        protected override double CalculateInitialStrain(double time, DifficultyHitObject current) => singleColourStamina ? 0 : currentStrain * strainDecay(time - current.Previous(0).StartTime);
     }
 }

osu.Game.Rulesets.Taiko/Difficulty/TaikoDifficultyAttributes.cs

@@ -16,6 +16,12 @@ namespace osu.Game.Rulesets.Taiko.Difficulty
         [JsonProperty("stamina_difficulty")]
         public double StaminaDifficulty { get; set; }
 
+        /// <summary>
+        /// The ratio of stamina difficulty from mono-color (single colour) streams to total stamina difficulty.
+        /// </summary>
+        [JsonProperty("mono_stamina_factor")]
+        public double MonoStaminaFactor { get; set; }
+
         /// <summary>
         /// The difficulty corresponding to the rhythm skill.
         /// </summary>
@@ -60,6 +66,7 @@ namespace osu.Game.Rulesets.Taiko.Difficulty
             yield return (ATTRIB_ID_DIFFICULTY, StarRating);
             yield return (ATTRIB_ID_GREAT_HIT_WINDOW, GreatHitWindow);
             yield return (ATTRIB_ID_OK_HIT_WINDOW, OkHitWindow);
+            yield return (ATTRIB_ID_MONO_STAMINA_FACTOR, MonoStaminaFactor);
         }
 
         public override void FromDatabaseAttributes(IReadOnlyDictionary<int, double> values, IBeatmapOnlineInfo onlineInfo)
@@ -69,6 +76,7 @@ namespace osu.Game.Rulesets.Taiko.Difficulty
             StarRating = values[ATTRIB_ID_DIFFICULTY];
             GreatHitWindow = values[ATTRIB_ID_GREAT_HIT_WINDOW];
             OkHitWindow = values[ATTRIB_ID_OK_HIT_WINDOW];
+            MonoStaminaFactor = values[ATTRIB_ID_MONO_STAMINA_FACTOR];
         }
     }
 }

osu.Game.Rulesets.Taiko/Difficulty/TaikoDifficultyCalculator.cs

@@ -38,7 +38,8 @@ namespace osu.Game.Rulesets.Taiko.Difficulty
             {
                 new Rhythm(mods),
                 new Colour(mods),
-                new Stamina(mods)
+                new Stamina(mods, false),
+                new Stamina(mods, true)
             };
         }
 
@@ -79,14 +80,26 @@ namespace osu.Game.Rulesets.Taiko.Difficulty
             Colour colour = (Colour)skills.First(x => x is Colour);
             Rhythm rhythm = (Rhythm)skills.First(x => x is Rhythm);
             Stamina stamina = (Stamina)skills.First(x => x is Stamina);
+            Stamina singleColourStamina = (Stamina)skills.Last(x => x is Stamina);
 
             double colourRating = colour.DifficultyValue() * colour_skill_multiplier;
             double rhythmRating = rhythm.DifficultyValue() * rhythm_skill_multiplier;
             double staminaRating = stamina.DifficultyValue() * stamina_skill_multiplier;
+            double monoStaminaRating = singleColourStamina.DifficultyValue() * stamina_skill_multiplier;
+            double monoStaminaFactor = staminaRating == 0 ? 1 : Math.Pow(monoStaminaRating / staminaRating, 5);
 
             double combinedRating = combinedDifficultyValue(rhythm, colour, stamina);
             double starRating = rescale(combinedRating * 1.4);
 
+            // TODO: This is temporary measure as we don't detect abuse of multiple-input playstyles of converts within the current system.
+            if (beatmap.BeatmapInfo.Ruleset.OnlineID == 0)
+            {
+                starRating *= 0.925;
+                // For maps with low colour variance and high stamina requirement, multiple inputs are more likely to be abused.
+                if (colourRating < 2 && staminaRating > 8)
+                    starRating *= 0.80;
+            }
+
             HitWindows hitWindows = new TaikoHitWindows();
             hitWindows.SetDifficulty(beatmap.Difficulty.OverallDifficulty);
 
@@ -95,6 +108,7 @@ namespace osu.Game.Rulesets.Taiko.Difficulty
                 StarRating = starRating,
                 Mods = mods,
                 StaminaDifficulty = staminaRating,
+                MonoStaminaFactor = monoStaminaFactor,
                 RhythmDifficulty = rhythmRating,
                 ColourDifficulty = colourRating,
                 PeakDifficulty = combinedRating,

osu.Game.Rulesets.Taiko/Difficulty/TaikoPerformanceCalculator.cs

@@ -42,18 +42,18 @@ namespace osu.Game.Rulesets.Taiko.Difficulty
             if (totalSuccessfulHits > 0)
                 effectiveMissCount = Math.Max(1.0, 1000.0 / totalSuccessfulHits) * countMiss;
 
-            // TODO: The detection of rulesets is temporary until the leftover old skills have been reworked.
+            // Converts are detected and omitted from mod-specific bonuses due to the scope of current difficulty calculation.
             bool isConvert = score.BeatmapInfo!.Ruleset.OnlineID != 1;
 
             double multiplier = 1.13;
 
-            if (score.Mods.Any(m => m is ModHidden))
+            if (score.Mods.Any(m => m is ModHidden) && !isConvert)
                 multiplier *= 1.075;
 
             if (score.Mods.Any(m => m is ModEasy))
-                multiplier *= 0.975;
+                multiplier *= 0.950;
 
-            double difficultyValue = computeDifficultyValue(score, taikoAttributes, isConvert);
+            double difficultyValue = computeDifficultyValue(score, taikoAttributes);
             double accuracyValue = computeAccuracyValue(score, taikoAttributes, isConvert);
             double totalValue =
                 Math.Pow(
@@ -71,7 +71,7 @@ namespace osu.Game.Rulesets.Taiko.Difficulty
             };
         }
 
-        private double computeDifficultyValue(ScoreInfo score, TaikoDifficultyAttributes attributes, bool isConvert)
+        private double computeDifficultyValue(ScoreInfo score, TaikoDifficultyAttributes attributes)
         {
             double difficultyValue = Math.Pow(5 * Math.Max(1.0, attributes.StarRating / 0.115) - 4.0, 2.25) / 1150.0;
 
@@ -81,21 +81,25 @@ namespace osu.Game.Rulesets.Taiko.Difficulty
             difficultyValue *= Math.Pow(0.986, effectiveMissCount);
 
             if (score.Mods.Any(m => m is ModEasy))
-                difficultyValue *= 0.985;
+                difficultyValue *= 0.90;
 
-            if (score.Mods.Any(m => m is ModHidden) && !isConvert)
+            if (score.Mods.Any(m => m is ModHidden))
                 difficultyValue *= 1.025;
 
             if (score.Mods.Any(m => m is ModHardRock))
                 difficultyValue *= 1.10;
 
             if (score.Mods.Any(m => m is ModFlashlight<TaikoHitObject>))
-                difficultyValue *= 1.050 * lengthBonus;
+                difficultyValue *= Math.Max(1, 1.050 - Math.Min(attributes.MonoStaminaFactor / 50, 1) * lengthBonus);
 
             if (estimatedUnstableRate == null)
                 return 0;
 
-            return difficultyValue * Math.Pow(SpecialFunctions.Erf(400 / (Math.Sqrt(2) * estimatedUnstableRate.Value)), 2.0);
+            // Scale accuracy more harshly on nearly-completely mono (single coloured) speed maps.
+            double accScalingExponent = 2 + attributes.MonoStaminaFactor;
+            double accScalingShift = 300 - 100 * attributes.MonoStaminaFactor;
+
+            return difficultyValue * Math.Pow(SpecialFunctions.Erf(accScalingShift / (Math.Sqrt(2) * estimatedUnstableRate.Value)), accScalingExponent);
         }
 
         private double computeAccuracyValue(ScoreInfo score, TaikoDifficultyAttributes attributes, bool isConvert)

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

@@ -7,6 +7,7 @@ using osu.Game.Beatmaps;
 using osu.Game.Configuration;
 using osu.Game.Rulesets.Mods;
 using osu.Game.Rulesets.Taiko.UI;
+using osu.Game.Rulesets.UI;
 using osu.Game.Rulesets.UI.Scrolling;
 
 namespace osu.Game.Rulesets.Taiko.Edit
@@ -20,6 +21,8 @@ namespace osu.Game.Rulesets.Taiko.Edit
         {
         }
 
+        protected override Playfield CreatePlayfield() => new TaikoEditorPlayfield();
+
         protected override void LoadComplete()
         {
             base.LoadComplete();

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

@@ -0,0 +1,25 @@
+// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
+// See the LICENCE file in the repository root for full licence text.
+
+using osu.Framework.Allocation;
+using osu.Framework.Graphics;
+using osu.Game.Rulesets.Taiko.UI;
+using osu.Game.Skinning;
+
+namespace osu.Game.Rulesets.Taiko.Edit
+{
+    public partial class TaikoEditorPlayfield : TaikoPlayfield
+    {
+        [BackgroundDependencyLoader]
+        private void load()
+        {
+            // This is the simplest way to extend the taiko playfield beyond the left of the drum area.
+            // Required in the editor to not look weird underneath left toolbox area.
+            AddInternal(new SkinnableDrawable(new TaikoSkinComponentLookup(TaikoSkinComponents.PlayfieldBackgroundRight), _ => new PlayfieldBackgroundRight())
+            {
+                Anchor = Anchor.TopLeft,
+                Origin = Anchor.TopRight,
+            });
+        }
+    }
+}

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

@@ -31,6 +31,9 @@ namespace osu.Game.Rulesets.Taiko.Objects.Drawables
 
         public override Quad ScreenSpaceDrawQuad => MainPiece.Drawable.ScreenSpaceDrawQuad;
 
+        // done strictly for editor purposes.
+        public override bool ReceivePositionalInputAt(Vector2 screenSpacePos) => MainPiece.Drawable.ReceivePositionalInputAt(screenSpacePos);
+
         /// <summary>
         /// Rolling number of tick hits. This increases for hits and decreases for misses.
         /// </summary>

osu.Game.Rulesets.Taiko/Skinning/Legacy/LegacyDrumRoll.cs

@@ -1,6 +1,7 @@
 // Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
 // See the LICENCE file in the repository root for full licence text.
 
+using System;
 using osu.Framework.Allocation;
 using osu.Framework.Graphics;
 using osu.Framework.Graphics.Containers;
@@ -9,6 +10,7 @@ using osu.Framework.Graphics.Sprites;
 using osu.Framework.Graphics.Textures;
 using osu.Game.Graphics;
 using osu.Game.Skinning;
+using osuTK;
 using osuTK.Graphics;
 
 namespace osu.Game.Rulesets.Taiko.Skinning.Legacy
@@ -19,13 +21,22 @@ namespace osu.Game.Rulesets.Taiko.Skinning.Legacy
         {
             get
             {
-                var headDrawQuad = headCircle.ScreenSpaceDrawQuad;
+                // the reason why this calculation is so involved is that the head & tail sprites have different sizes/radii.
-                var tailDrawQuad = tailCircle.ScreenSpaceDrawQuad;
+                // therefore naively taking the SSDQs of them and making a quad out of them results in a trapezoid shape and not a box.
+                var headCentre = headCircle.ScreenSpaceDrawQuad.Centre;
+                var tailCentre = (tailCircle.ScreenSpaceDrawQuad.TopLeft + tailCircle.ScreenSpaceDrawQuad.BottomLeft) / 2;
 
-                return new Quad(headDrawQuad.TopLeft, tailDrawQuad.TopRight, headDrawQuad.BottomLeft, tailDrawQuad.BottomRight);
+                float headRadius = headCircle.ScreenSpaceDrawQuad.Height / 2;
+                float tailRadius = tailCircle.ScreenSpaceDrawQuad.Height / 2;
+                float radius = Math.Max(headRadius, tailRadius);
+
+                var rectangle = new RectangleF(headCentre.X, headCentre.Y, tailCentre.X - headCentre.X, 0).Inflate(radius);
+                return new Quad(rectangle.TopLeft, rectangle.TopRight, rectangle.BottomLeft, rectangle.BottomRight);
             }
         }
 
+        public override bool ReceivePositionalInputAt(Vector2 screenSpacePos) => ScreenSpaceDrawQuad.Contains(screenSpacePos);
+
         private LegacyCirclePiece headCircle = null!;
 
         private Sprite body = null!;

osu.Game.Tests/Beatmaps/BeatmapUpdaterMetadataLookupTest.cs

@@ -241,8 +241,8 @@ namespace osu.Game.Tests.Beatmaps
 
             metadataLookup.Update(beatmapSet, preferOnlineFetch);
 
-            Assert.That(beatmap.Status, Is.EqualTo(BeatmapOnlineStatus.None));
+            Assert.That(beatmap.Status, Is.EqualTo(BeatmapOnlineStatus.Ranked));
-            Assert.That(beatmap.OnlineID, Is.EqualTo(-1));
+            Assert.That(beatmap.OnlineID, Is.EqualTo(654321));
         }
 
         [Test]
@@ -273,34 +273,6 @@ namespace osu.Game.Tests.Beatmaps
             Assert.That(beatmap.OnlineID, Is.EqualTo(654321));
         }
 
-        [Test]
-        public void TestMetadataLookupForBeatmapWithoutPopulatedIDAndIncorrectHash([Values] bool preferOnlineFetch)
-        {
-            var lookupResult = new OnlineBeatmapMetadata
-            {
-                BeatmapID = 654321,
-                BeatmapStatus = BeatmapOnlineStatus.Ranked,
-                MD5Hash = @"cafebabe",
-            };
-
-            var targetMock = preferOnlineFetch ? apiMetadataSourceMock : localCachedMetadataSourceMock;
-            targetMock.Setup(src => src.Available).Returns(true);
-            targetMock.Setup(src => src.TryLookup(It.IsAny<BeatmapInfo>(), out lookupResult))
-                      .Returns(true);
-
-            var beatmap = new BeatmapInfo
-            {
-                MD5Hash = @"deadbeef"
-            };
-            var beatmapSet = new BeatmapSetInfo(beatmap.Yield());
-            beatmap.BeatmapSet = beatmapSet;
-
-            metadataLookup.Update(beatmapSet, preferOnlineFetch);
-
-            Assert.That(beatmap.Status, Is.EqualTo(BeatmapOnlineStatus.None));
-            Assert.That(beatmap.OnlineID, Is.EqualTo(-1));
-        }
-
         [Test]
         public void TestReturnedMetadataHasDifferentHash([Values] bool preferOnlineFetch)
         {
@@ -383,58 +355,5 @@ namespace osu.Game.Tests.Beatmaps
 
             Assert.That(beatmapSet.Status, Is.EqualTo(BeatmapOnlineStatus.None));
         }
-
-        [Test]
-        public void TestPartiallyMaliciousSet([Values] bool preferOnlineFetch)
-        {
-            var firstResult = new OnlineBeatmapMetadata
-            {
-                BeatmapID = 654321,
-                BeatmapStatus = BeatmapOnlineStatus.Ranked,
-                BeatmapSetStatus = BeatmapOnlineStatus.Ranked,
-                MD5Hash = @"cafebabe"
-            };
-            var secondResult = new OnlineBeatmapMetadata
-            {
-                BeatmapStatus = BeatmapOnlineStatus.Ranked,
-                BeatmapSetStatus = BeatmapOnlineStatus.Ranked,
-                MD5Hash = @"dededede"
-            };
-
-            var targetMock = preferOnlineFetch ? apiMetadataSourceMock : localCachedMetadataSourceMock;
-            targetMock.Setup(src => src.Available).Returns(true);
-            targetMock.Setup(src => src.TryLookup(It.Is<BeatmapInfo>(bi => bi.OnlineID == 654321), out firstResult))
-                      .Returns(true);
-            targetMock.Setup(src => src.TryLookup(It.Is<BeatmapInfo>(bi => bi.OnlineID == 666666), out secondResult))
-                      .Returns(true);
-
-            var firstBeatmap = new BeatmapInfo
-            {
-                OnlineID = 654321,
-                MD5Hash = @"cafebabe",
-            };
-            var secondBeatmap = new BeatmapInfo
-            {
-                OnlineID = 666666,
-                MD5Hash = @"deadbeef"
-            };
-            var beatmapSet = new BeatmapSetInfo(new[]
-            {
-                firstBeatmap,
-                secondBeatmap
-            });
-            firstBeatmap.BeatmapSet = beatmapSet;
-            secondBeatmap.BeatmapSet = beatmapSet;
-
-            metadataLookup.Update(beatmapSet, preferOnlineFetch);
-
-            Assert.That(firstBeatmap.Status, Is.EqualTo(BeatmapOnlineStatus.Ranked));
-            Assert.That(firstBeatmap.OnlineID, Is.EqualTo(654321));
-
-            Assert.That(secondBeatmap.Status, Is.EqualTo(BeatmapOnlineStatus.None));
-            Assert.That(secondBeatmap.OnlineID, Is.EqualTo(-1));
-
-            Assert.That(beatmapSet.Status, Is.EqualTo(BeatmapOnlineStatus.None));
-        }
     }
 }

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

@@ -120,11 +120,11 @@ namespace osu.Game.Tests.Beatmaps.Formats
         private void compareBeatmaps((IBeatmap beatmap, TestLegacySkin skin) expected, (IBeatmap beatmap, TestLegacySkin skin) actual)
         {
             // Check all control points that are still considered to be at a global level.
-            Assert.That(expected.beatmap.ControlPointInfo.TimingPoints.Serialize(), Is.EqualTo(actual.beatmap.ControlPointInfo.TimingPoints.Serialize()));
+            Assert.That(actual.beatmap.ControlPointInfo.TimingPoints.Serialize(), Is.EqualTo(expected.beatmap.ControlPointInfo.TimingPoints.Serialize()));
-            Assert.That(expected.beatmap.ControlPointInfo.EffectPoints.Serialize(), Is.EqualTo(actual.beatmap.ControlPointInfo.EffectPoints.Serialize()));
+            Assert.That(actual.beatmap.ControlPointInfo.EffectPoints.Serialize(), Is.EqualTo(expected.beatmap.ControlPointInfo.EffectPoints.Serialize()));
 
             // Check all hitobjects.
-            Assert.That(expected.beatmap.HitObjects.Serialize(), Is.EqualTo(actual.beatmap.HitObjects.Serialize()));
+            Assert.That(actual.beatmap.HitObjects.Serialize(), Is.EqualTo(expected.beatmap.HitObjects.Serialize()));
 
             // Check skin.
             Assert.IsTrue(areComboColoursEqual(expected.skin.Configuration, actual.skin.Configuration));

osu.Game.Tests/Resources/mania-0-01-sv.osu

@@ -0,0 +1,39 @@
+osu file format v14
+
+[General]
+SampleSet: Normal
+StackLeniency: 0.7
+Mode: 3
+
+[Difficulty]
+HPDrainRate:3
+CircleSize:5
+OverallDifficulty:8
+ApproachRate:8
+SliderMultiplier:3.59999990463257
+SliderTickRate:2
+
+[TimingPoints]
+24,352.941176470588,4,1,1,100,1,0
+6376,-10000,4,1,1,100,0,0
+
+[HitObjects]
+51,192,24,1,0,0:0:0:0:
+153,192,200,1,0,0:0:0:0:
+358,192,376,1,0,0:0:0:0:
+460,192,553,1,0,0:0:0:0:
+460,192,729,128,0,1435:0:0:0:0:
+358,192,906,128,0,1612:0:0:0:0:
+256,192,1082,128,0,1788:0:0:0:0:
+153,192,1259,128,0,1965:0:0:0:0:
+51,192,1435,128,0,2141:0:0:0:0:
+51,192,2318,1,12,0:0:0:0:
+153,192,2318,1,4,0:0:0:0:
+256,192,2318,1,6,0:0:0:0:
+358,192,2318,1,14,0:0:0:0:
+460,192,2318,1,0,0:0:0:0:
+51,192,2494,128,0,2582:0:0:0:0:
+153,192,2494,128,14,2582:0:0:0:0:
+256,192,2494,128,6,2582:0:0:0:0:
+358,192,2494,128,4,2582:0:0:0:0:
+460,192,2494,128,12,2582:0:0:0:0:

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

@@ -155,7 +155,13 @@ namespace osu.Game.Tests.Visual.Gameplay
                 var api = (DummyAPIAccess)API;
 
                 api.Friends.Clear();
-                api.Friends.Add(friend);
+                api.Friends.Add(new APIRelation
+                {
+                    Mutual = true,
+                    RelationType = RelationType.Friend,
+                    TargetID = friend.OnlineID,
+                    TargetUser = friend
+                });
             });
 
             int playerNumber = 1;

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

@@ -30,14 +30,20 @@ namespace osu.Game.Tests.Visual.Online
                 if (supportLevel > 3)
                     supportLevel = 0;
 
-                ((DummyAPIAccess)API).Friends.Add(new APIUser
+                ((DummyAPIAccess)API).Friends.Add(new APIRelation
                 {
-                    Username = @"peppy",
+                    TargetID = 2,
-                    Id = 2,
+                    RelationType = RelationType.Friend,
-                    Colour = "99EB47",
+                    Mutual = true,
-                    CoverUrl = @"https://osu.ppy.sh/images/headers/profile-covers/c3.jpg",
+                    TargetUser = new APIUser
-                    IsSupporter = supportLevel > 0,
+                    {
-                    SupportLevel = supportLevel
+                        Username = @"peppy",
+                        Id = 2,
+                        Colour = "99EB47",
+                        CoverUrl = @"https://osu.ppy.sh/images/headers/profile-covers/c3.jpg",
+                        IsSupporter = supportLevel > 0,
+                        SupportLevel = supportLevel
+                    }
                 });
             }
         }

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

@@ -3,15 +3,20 @@
 
 using System;
 using System.Linq;
+using System.Threading;
+using System.Threading.Tasks;
 using NUnit.Framework;
 using osu.Framework.Allocation;
 using osu.Framework.Graphics;
 using osu.Framework.Testing;
 using osu.Game.Configuration;
 using osu.Game.Graphics.Containers;
+using osu.Game.Online.API;
+using osu.Game.Online.API.Requests;
 using osu.Game.Online.API.Requests.Responses;
 using osu.Game.Overlays;
 using osu.Game.Overlays.Profile;
+using osu.Game.Overlays.Profile.Header.Components;
 using osu.Game.Rulesets.Osu;
 using osu.Game.Users;
 
@@ -22,6 +27,10 @@ namespace osu.Game.Tests.Visual.Online
         [Cached]
         private readonly OverlayColourProvider colourProvider = new OverlayColourProvider(OverlayColourScheme.Green);
 
+        private DummyAPIAccess dummyAPI => (DummyAPIAccess)API;
+
+        private readonly ManualResetEventSlim requestLock = new ManualResetEventSlim();
+
         [Resolved]
         private OsuConfigManager configManager { get; set; } = null!;
 
@@ -400,5 +409,97 @@ namespace osu.Game.Tests.Visual.Online
                 }
             }, new OsuRuleset().RulesetInfo));
         }
+
+        private APIUser nonFriend => new APIUser
+        {
+            Id = 727,
+            Username = "Whatever",
+        };
+
+        [Test]
+        public void TestAddFriend()
+        {
+            AddStep("Setup request", () =>
+            {
+                requestLock.Reset();
+
+                dummyAPI.HandleRequest = request =>
+                {
+                    if (request is not AddFriendRequest req)
+                        return false;
+
+                    if (req.TargetId != nonFriend.OnlineID)
+                        return false;
+
+                    var apiRelation = new APIRelation
+                    {
+                        TargetID = nonFriend.OnlineID,
+                        Mutual = true,
+                        RelationType = RelationType.Friend,
+                        TargetUser = nonFriend
+                    };
+
+                    Task.Run(() =>
+                    {
+                        requestLock.Wait(3000);
+                        dummyAPI.Friends.Add(apiRelation);
+                        req.TriggerSuccess(new AddFriendResponse
+                        {
+                            UserRelation = apiRelation
+                        });
+                    });
+
+                    return true;
+                };
+            });
+            AddStep("clear friend list", () => dummyAPI.Friends.Clear());
+            AddStep("Show non-friend user", () => header.User.Value = new UserProfileData(nonFriend, new OsuRuleset().RulesetInfo));
+            AddStep("Click followers button", () => this.ChildrenOfType<FollowersButton>().First().TriggerClick());
+            AddStep("Complete request", () => requestLock.Set());
+            AddUntilStep("Friend added", () => API.Friends.Any(f => f.TargetID == nonFriend.OnlineID));
+        }
+
+        [Test]
+        public void TestAddFriendNonMutual()
+        {
+            AddStep("Setup request", () =>
+            {
+                requestLock.Reset();
+
+                dummyAPI.HandleRequest = request =>
+                {
+                    if (request is not AddFriendRequest req)
+                        return false;
+
+                    if (req.TargetId != nonFriend.OnlineID)
+                        return false;
+
+                    var apiRelation = new APIRelation
+                    {
+                        TargetID = nonFriend.OnlineID,
+                        Mutual = false,
+                        RelationType = RelationType.Friend,
+                        TargetUser = nonFriend
+                    };
+
+                    Task.Run(() =>
+                    {
+                        requestLock.Wait(3000);
+                        dummyAPI.Friends.Add(apiRelation);
+                        req.TriggerSuccess(new AddFriendResponse
+                        {
+                            UserRelation = apiRelation
+                        });
+                    });
+
+                    return true;
+                };
+            });
+            AddStep("clear friend list", () => dummyAPI.Friends.Clear());
+            AddStep("Show non-friend user", () => header.User.Value = new UserProfileData(nonFriend, new OsuRuleset().RulesetInfo));
+            AddStep("Click followers button", () => this.ChildrenOfType<FollowersButton>().First().TriggerClick());
+            AddStep("Complete request", () => requestLock.Set());
+            AddUntilStep("Friend added", () => API.Friends.Any(f => f.TargetID == nonFriend.OnlineID));
+        }
     }
 }

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

@@ -414,11 +414,7 @@ namespace osu.Game.Tests.Visual.Settings
             });
             AddStep("move mouse to centre", () => InputManager.MoveMouseTo(panel.ScreenSpaceDrawQuad.Centre));
             scrollToAndStartBinding("Left (centre)");
-            AddStep("clear binding", () =>
+            clearBinding();
-            {
-                var row = panel.ChildrenOfType<KeyBindingRow>().First(r => r.ChildrenOfType<OsuSpriteText>().Any(s => s.Text.ToString() == "Left (centre)"));
-                row.ChildrenOfType<KeyBindingRow.ClearButton>().Single().TriggerClick();
-            });
             scrollToAndStartBinding("Left (rim)");
             AddStep("bind M1", () => InputManager.Click(MouseButton.Left));
 
@@ -431,6 +427,45 @@ namespace osu.Game.Tests.Visual.Settings
             AddUntilStep("conflict popover not shown", () => panel.ChildrenOfType<KeyBindingConflictPopover>().SingleOrDefault(), () => Is.Null);
         }
 
+        [Test]
+        public void TestResettingRowCannotConflictWithItself()
+        {
+            AddStep("reset taiko section to default", () =>
+            {
+                var section = panel.ChildrenOfType<VariantBindingsSubsection>().First(section => new TaikoRuleset().RulesetInfo.Equals(section.Ruleset));
+                section.ChildrenOfType<ResetButton>().Single().TriggerClick();
+            });
+            AddStep("move mouse to centre", () => InputManager.MoveMouseTo(panel.ScreenSpaceDrawQuad.Centre));
+
+            scrollToAndStartBinding("Left (centre)");
+            clearBinding();
+            scrollToAndStartBinding("Left (centre)", 1);
+            clearBinding();
+
+            scrollToAndStartBinding("Left (centre)");
+            AddStep("bind F", () => InputManager.Key(Key.F));
+            scrollToAndStartBinding("Left (centre)", 1);
+            AddStep("bind M1", () => InputManager.Click(MouseButton.Left));
+
+            AddStep("revert row to default", () =>
+            {
+                var row = panel.ChildrenOfType<KeyBindingRow>().First(r => r.ChildrenOfType<OsuSpriteText>().Any(s => s.Text.ToString() == "Left (centre)"));
+                InputManager.MoveMouseTo(row.ChildrenOfType<RevertToDefaultButton<bool>>().Single());
+                InputManager.Click(MouseButton.Left);
+            });
+            AddWaitStep("wait a bit", 3);
+            AddUntilStep("conflict popover not shown", () => panel.ChildrenOfType<KeyBindingConflictPopover>().SingleOrDefault(), () => Is.Null);
+        }
+
+        private void clearBinding()
+        {
+            AddStep("clear binding", () =>
+            {
+                var row = panel.ChildrenOfType<KeyBindingRow>().First(r => r.ChildrenOfType<OsuSpriteText>().Any(s => s.Text.ToString() == "Left (centre)"));
+                row.ChildrenOfType<KeyBindingRow.ClearButton>().Single().TriggerClick();
+            });
+        }
+
         private void checkBinding(string name, string keyName)
         {
             AddAssert($"Check {name} is bound to {keyName}", () =>
@@ -442,23 +477,23 @@ namespace osu.Game.Tests.Visual.Settings
             }, () => Is.EqualTo(keyName));
         }
 
-        private void scrollToAndStartBinding(string name)
+        private void scrollToAndStartBinding(string name, int bindingIndex = 0)
         {
-            KeyBindingRow.KeyButton firstButton = null;
+            KeyBindingRow.KeyButton targetButton = null;
 
             AddStep($"Scroll to {name}", () =>
             {
                 var firstRow = panel.ChildrenOfType<KeyBindingRow>().First(r => r.ChildrenOfType<OsuSpriteText>().Any(s => s.Text.ToString() == name));
-                firstButton = firstRow.ChildrenOfType<KeyBindingRow.KeyButton>().First();
+                targetButton = firstRow.ChildrenOfType<KeyBindingRow.KeyButton>().ElementAt(bindingIndex);
 
-                panel.ChildrenOfType<SettingsPanel.SettingsSectionsContainer>().First().ScrollTo(firstButton);
+                panel.ChildrenOfType<SettingsPanel.SettingsSectionsContainer>().First().ScrollTo(targetButton);
             });
 
             AddWaitStep("wait for scroll", 5);
 
             AddStep("click to bind", () =>
             {
-                InputManager.MoveMouseTo(firstButton);
+                InputManager.MoveMouseTo(targetButton);
                 InputManager.Click(MouseButton.Left);
             });
         }

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

@@ -1,14 +1,28 @@
 // Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
 // See the LICENCE file in the repository root for full licence text.
 
+using System;
+using System.Collections.Generic;
 using System.Linq;
+using Newtonsoft.Json;
 using NUnit.Framework;
+using osu.Framework.Bindables;
 using osu.Framework.Graphics;
 using osu.Framework.Graphics.Sprites;
+using osu.Framework.Localisation;
 using osu.Framework.Testing;
 using osu.Game.Beatmaps;
+using osu.Game.Configuration;
 using osu.Game.Models;
+using osu.Game.Rulesets;
+using osu.Game.Rulesets.Difficulty;
+using osu.Game.Rulesets.Difficulty.Preprocessing;
+using osu.Game.Rulesets.Difficulty.Skills;
+using osu.Game.Rulesets.Mods;
 using osu.Game.Rulesets.Osu;
+using osu.Game.Rulesets.Osu.Mods;
+using osu.Game.Rulesets.UI;
+using osu.Game.Scoring;
 using osu.Game.Skinning.Components;
 using osu.Game.Tests.Beatmaps;
 
@@ -30,6 +44,8 @@ namespace osu.Game.Tests.Visual.UserInterface
         [SetUp]
         public void Setup() => Schedule(() =>
         {
+            SelectedMods.SetDefault();
+            Ruleset.Value = new OsuRuleset().RulesetInfo;
             Beatmap.Value = CreateWorkingBeatmap(new TestBeatmap(new OsuRuleset().RulesetInfo)
             {
                 BeatmapInfo =
@@ -93,6 +109,126 @@ namespace osu.Game.Tests.Visual.UserInterface
             AddAssert("check new title", getText, () => Is.EqualTo("Title: Another"));
         }
 
+        [Test]
+        public void TestWithMods()
+        {
+            AddStep("set beatmap", () => Beatmap.Value = CreateWorkingBeatmap(new TestBeatmap(new OsuRuleset().RulesetInfo)
+            {
+                BeatmapInfo =
+                {
+                    BPM = 100,
+                    Length = 30000,
+                    Difficulty =
+                    {
+                        ApproachRate = 10,
+                        CircleSize = 9
+                    }
+                }
+            }));
+
+            test(BeatmapAttribute.BPM, new OsuModDoubleTime(), "BPM: 100.00", "BPM: 150.00");
+            test(BeatmapAttribute.Length, new OsuModDoubleTime(), "Length: 00:30", "Length: 00:20");
+            test(BeatmapAttribute.ApproachRate, new OsuModDoubleTime(), "Approach Rate: 10.00", "Approach Rate: 11.00");
+            test(BeatmapAttribute.CircleSize, new OsuModHardRock(), "Circle Size: 9.00", "Circle Size: 10.00");
+
+            void test(BeatmapAttribute attribute, Mod mod, string before, string after)
+            {
+                AddStep($"set attribute: {attribute}", () => text.Attribute.Value = attribute);
+                AddAssert("check text is correct", getText, () => Is.EqualTo(before));
+
+                AddStep("add DT mod", () => SelectedMods.Value = new[] { mod });
+                AddAssert("check text is correct", getText, () => Is.EqualTo(after));
+                AddStep("clear mods", () => SelectedMods.SetDefault());
+            }
+        }
+
+        [Test]
+        public void TestStarRating()
+        {
+            AddStep("set test ruleset", () => Ruleset.Value = new TestRuleset().RulesetInfo);
+            AddStep("set star rating attribute", () => text.Attribute.Value = BeatmapAttribute.StarRating);
+            AddAssert("check star rating is 0", getText, () => Is.EqualTo("Star Rating: 0.00"));
+
+            // Adding mod
+            TestMod mod = null!;
+            AddStep("add mod with difficulty 1", () => SelectedMods.Value = new[] { mod = new TestMod { Difficulty = { Value = 1 } } });
+            AddUntilStep("check star rating is 1", getText, () => Is.EqualTo("Star Rating: 1.00"));
+
+            // Changing mod setting
+            AddStep("change mod difficulty to 2", () => mod.Difficulty.Value = 2);
+            AddUntilStep("check star rating is 2", getText, () => Is.EqualTo("Star Rating: 2.00"));
+        }
+
         private string getText() => text.ChildrenOfType<SpriteText>().Single().Text.ToString();
+
+        private class TestRuleset : Ruleset
+        {
+            public override IEnumerable<Mod> GetModsFor(ModType type) => new[]
+            {
+                new TestMod()
+            };
+
+            public override IBeatmapConverter CreateBeatmapConverter(IBeatmap beatmap)
+                => new OsuRuleset().CreateBeatmapConverter(beatmap);
+
+            public override DifficultyCalculator CreateDifficultyCalculator(IWorkingBeatmap beatmap)
+                => new TestDifficultyCalculator(new TestRuleset().RulesetInfo, beatmap);
+
+            public override PerformanceCalculator CreatePerformanceCalculator()
+                => new TestPerformanceCalculator(new TestRuleset());
+
+            public override DrawableRuleset CreateDrawableRulesetWith(IBeatmap beatmap, IReadOnlyList<Mod>? mods = null)
+                => null!;
+
+            public override string Description => string.Empty;
+            public override string ShortName => string.Empty;
+        }
+
+        private class TestDifficultyCalculator : DifficultyCalculator
+        {
+            public TestDifficultyCalculator(IRulesetInfo ruleset, IWorkingBeatmap beatmap)
+                : base(ruleset, beatmap)
+            {
+            }
+
+            protected override DifficultyAttributes CreateDifficultyAttributes(IBeatmap beatmap, Mod[] mods, Skill[] skills, double clockRate)
+                => new DifficultyAttributes(mods, mods.OfType<TestMod>().SingleOrDefault()?.Difficulty.Value ?? 0);
+
+            protected override IEnumerable<DifficultyHitObject> CreateDifficultyHitObjects(IBeatmap beatmap, double clockRate)
+                => Array.Empty<DifficultyHitObject>();
+
+            protected override Skill[] CreateSkills(IBeatmap beatmap, Mod[] mods, double clockRate)
+                => Array.Empty<Skill>();
+        }
+
+        private class TestPerformanceCalculator : PerformanceCalculator
+        {
+            public TestPerformanceCalculator(Ruleset ruleset)
+                : base(ruleset)
+            {
+            }
+
+            protected override PerformanceAttributes CreatePerformanceAttributes(ScoreInfo score, DifficultyAttributes attributes)
+                => new PerformanceAttributes { Total = score.Mods.OfType<TestMod>().SingleOrDefault()?.Performance.Value ?? 0 };
+        }
+
+        private class TestMod : Mod
+        {
+            [SettingSource("difficulty")]
+            public BindableDouble Difficulty { get; } = new BindableDouble(0);
+
+            [SettingSource("performance")]
+            public BindableDouble Performance { get; } = new BindableDouble(0);
+
+            [JsonConstructor]
+            public TestMod()
+            {
+            }
+
+            public override string Name => string.Empty;
+            public override LocalisableString Description => string.Empty;
+            public override double ScoreMultiplier => 1.0;
+            public override string Acronym => "Test";
+        }
     }
 }

osu.Game/Beatmaps/APIBeatmapMetadataSource.cs

@@ -33,7 +33,7 @@ namespace osu.Game.Beatmaps
 
             Debug.Assert(beatmapInfo.BeatmapSet != null);
 
-            var req = new GetBeatmapRequest(beatmapInfo);
+            var req = new GetBeatmapRequest(md5Hash: beatmapInfo.MD5Hash, filename: beatmapInfo.Path);
 
             try
             {

osu.Game/Beatmaps/BeatmapUpdaterMetadataLookup.cs

@@ -5,7 +5,6 @@ using System;
 using System.Collections.Generic;
 using System.Diagnostics;
 using System.Linq;
-using osu.Framework.Logging;
 using osu.Framework.Platform;
 using osu.Game.Online.API;
 
@@ -44,10 +43,19 @@ namespace osu.Game.Beatmaps
 
             foreach (var beatmapInfo in beatmapSet.Beatmaps)
             {
+                // note that these lookups DO NOT ACTUALLY FULLY GUARANTEE that the beatmap is what it claims it is,
+                // i.e. the correctness of this lookup should be treated as APPROXIMATE AT WORST.
+                // this is because the beatmap filename is used as a fallback in some scenarios where the MD5 of the beatmap may mismatch.
+                // this is considered to be an acceptable casualty so that things can continue to work as expected for users in some rare scenarios
+                // (stale beatmap files in beatmap packs, beatmap mirror desyncs).
+                // however, all this means that other places such as score submission ARE EXPECTED TO VERIFY THE MD5 OF THE BEATMAP AGAINST THE ONLINE ONE EXPLICITLY AGAIN.
+                //
+                // additionally note that the online ID stored to the map is EXPLICITLY NOT USED because some users in a silly attempt to "fix" things for themselves on stable
+                // would reuse online IDs of already submitted beatmaps, which means that information is pretty much expected to be bogus in a nonzero number of beatmapsets.
                 if (!tryLookup(beatmapInfo, preferOnlineFetch, out var res))
                     continue;
 
-                if (res == null || shouldDiscardLookupResult(res, beatmapInfo))
+                if (res == null)
                 {
                     beatmapInfo.ResetOnlineInfo();
                     lookupResults.Add(null); // mark lookup failure
@@ -83,23 +91,6 @@ namespace osu.Game.Beatmaps
             }
         }
 
-        private bool shouldDiscardLookupResult(OnlineBeatmapMetadata result, BeatmapInfo beatmapInfo)
-        {
-            if (beatmapInfo.OnlineID > 0 && result.BeatmapID != beatmapInfo.OnlineID)
-            {
-                Logger.Log($"Discarding metadata lookup result due to mismatching online ID (expected: {beatmapInfo.OnlineID} actual: {result.BeatmapID})", LoggingTarget.Database);
-                return true;
-            }
-
-            if (beatmapInfo.OnlineID == -1 && result.MD5Hash != beatmapInfo.MD5Hash)
-            {
-                Logger.Log($"Discarding metadata lookup result due to mismatching hash (expected: {beatmapInfo.MD5Hash} actual: {result.MD5Hash})", LoggingTarget.Database);
-                return true;
-            }
-
-            return false;
-        }
-
         /// <summary>
         /// Attempts to retrieve the <see cref="OnlineBeatmapMetadata"/> for the given <paramref name="beatmapInfo"/>.
         /// </summary>

osu.Game/Beatmaps/Formats/LegacyBeatmapEncoder.cs

@@ -183,7 +183,17 @@ namespace osu.Game.Beatmaps.Formats
             if (scrollSpeedEncodedAsSliderVelocity)
             {
                 foreach (var point in legacyControlPoints.EffectPoints)
-                    legacyControlPoints.Add(point.Time, new DifficultyControlPoint { SliderVelocity = point.ScrollSpeed });
+                {
+                    legacyControlPoints.Add(point.Time, new DifficultyControlPoint
+                    {
+                        SliderVelocityBindable =
+                        {
+                            MinValue = point.ScrollSpeedBindable.MinValue,
+                            MaxValue = point.ScrollSpeedBindable.MaxValue,
+                            Value = point.ScrollSpeedBindable.Value,
+                        }
+                    });
+                }
             }
 
             LegacyControlPointProperties lastControlPointProperties = new LegacyControlPointProperties();

osu.Game/Beatmaps/LocalCachedBeatmapMetadataSource.cs

@@ -90,8 +90,7 @@ namespace osu.Game.Beatmaps
             }
 
             if (string.IsNullOrEmpty(beatmapInfo.MD5Hash)
-                && string.IsNullOrEmpty(beatmapInfo.Path)
+                && string.IsNullOrEmpty(beatmapInfo.Path))
-                && beatmapInfo.OnlineID <= 0)
             {
                 onlineMetadata = null;
                 return false;
@@ -240,10 +239,9 @@ namespace osu.Game.Beatmaps
             using var cmd = db.CreateCommand();
 
             cmd.CommandText =
-                @"SELECT beatmapset_id, beatmap_id, approved, user_id, checksum, last_update FROM osu_beatmaps WHERE checksum = @MD5Hash OR beatmap_id = @OnlineID OR filename = @Path";
+                @"SELECT beatmapset_id, beatmap_id, approved, user_id, checksum, last_update FROM osu_beatmaps WHERE checksum = @MD5Hash OR filename = @Path";
 
             cmd.Parameters.Add(new SqliteParameter(@"@MD5Hash", beatmapInfo.MD5Hash));
-            cmd.Parameters.Add(new SqliteParameter(@"@OnlineID", beatmapInfo.OnlineID));
             cmd.Parameters.Add(new SqliteParameter(@"@Path", beatmapInfo.Path));
 
             using var reader = cmd.ExecuteReader();
@@ -281,11 +279,10 @@ namespace osu.Game.Beatmaps
                 SELECT `b`.`beatmapset_id`, `b`.`beatmap_id`, `b`.`approved`, `b`.`user_id`, `b`.`checksum`, `b`.`last_update`, `s`.`submit_date`, `s`.`approved_date`
                 FROM `osu_beatmaps` AS `b`
                 JOIN `osu_beatmapsets` AS `s` ON `s`.`beatmapset_id` = `b`.`beatmapset_id`
-                WHERE `b`.`checksum` = @MD5Hash OR `b`.`beatmap_id` = @OnlineID OR `b`.`filename` = @Path
+                WHERE `b`.`checksum` = @MD5Hash OR `b`.`filename` = @Path
                 """;
 
             cmd.Parameters.Add(new SqliteParameter(@"@MD5Hash", beatmapInfo.MD5Hash));
-            cmd.Parameters.Add(new SqliteParameter(@"@OnlineID", beatmapInfo.OnlineID));
             cmd.Parameters.Add(new SqliteParameter(@"@Path", beatmapInfo.Path));
 
             using var reader = cmd.ExecuteReader();

osu.Game/Configuration/OsuConfigManager.cs

@@ -17,6 +17,7 @@ using osu.Game.Localisation;
 using osu.Game.Overlays;
 using osu.Game.Overlays.Mods.Input;
 using osu.Game.Rulesets.Scoring;
+using osu.Game.Screens.Edit.Compose.Components;
 using osu.Game.Screens.OnlinePlay.Lounge.Components;
 using osu.Game.Screens.Select;
 using osu.Game.Screens.Select.Filter;
@@ -193,6 +194,8 @@ namespace osu.Game.Configuration
             SetDefault(OsuSetting.EditorAutoSeekOnPlacement, true);
             SetDefault(OsuSetting.EditorLimitedDistanceSnap, false);
             SetDefault(OsuSetting.EditorShowSpeedChanges, false);
+            SetDefault(OsuSetting.EditorScaleOrigin, EditorOrigin.GridCentre);
+            SetDefault(OsuSetting.EditorRotationOrigin, EditorOrigin.GridCentre);
 
             SetDefault(OsuSetting.HideCountryFlags, false);
 
@@ -204,8 +207,11 @@ namespace osu.Game.Configuration
             SetDefault<UserStatus?>(OsuSetting.UserOnlineStatus, null);
 
             SetDefault(OsuSetting.EditorTimelineShowTimingChanges, true);
+            SetDefault(OsuSetting.EditorTimelineShowBreaks, true);
             SetDefault(OsuSetting.EditorTimelineShowTicks, true);
 
+            SetDefault(OsuSetting.EditorContractSidebars, false);
+
             SetDefault(OsuSetting.AlwaysShowHoldForMenuButton, false);
         }
 
@@ -431,6 +437,10 @@ namespace osu.Game.Configuration
         HideCountryFlags,
         EditorTimelineShowTimingChanges,
         EditorTimelineShowTicks,
-        AlwaysShowHoldForMenuButton
+        AlwaysShowHoldForMenuButton,
+        EditorContractSidebars,
+        EditorScaleOrigin,
+        EditorRotationOrigin,
+        EditorTimelineShowBreaks,
     }
 }

osu.Game/Database/RealmArchiveModelImporter.cs

@@ -528,7 +528,7 @@ namespace osu.Game.Database
         /// <param name="model">The new model proposed for import.</param>
         /// <param name="realm">The current realm context.</param>
         /// <returns>An existing model which matches the criteria to skip importing, else null.</returns>
-        protected TModel? CheckForExisting(TModel model, Realm realm) => string.IsNullOrEmpty(model.Hash) ? null : realm.All<TModel>().FirstOrDefault(b => b.Hash == model.Hash);
+        protected TModel? CheckForExisting(TModel model, Realm realm) => string.IsNullOrEmpty(model.Hash) ? null : realm.All<TModel>().OrderBy(b => b.DeletePending).FirstOrDefault(b => b.Hash == model.Hash);
 
         /// <summary>
         /// Whether import can be skipped after finding an existing import early in the process.

osu.Game/Graphics/UserInterface/ExternalLinkButton.cs

@@ -10,6 +10,7 @@ using osu.Framework.Graphics.Sprites;
 using osu.Framework.Graphics.UserInterface;
 using osu.Framework.Input.Events;
 using osu.Framework.Localisation;
+using osu.Game.Localisation;
 using osuTK;
 using osuTK.Graphics;
 
@@ -77,7 +78,7 @@ namespace osu.Game.Graphics.UserInterface
                 if (Link != null)
                 {
                     items.Add(new OsuMenuItem("Open", MenuItemType.Highlighted, () => game?.OpenUrlExternally(Link)));
-                    items.Add(new OsuMenuItem("Copy link", MenuItemType.Standard, copyUrl));
+                    items.Add(new OsuMenuItem(CommonStrings.CopyLink, MenuItemType.Standard, copyUrl));
                 }
 
                 return items.ToArray();

osu.Game/Graphics/UserInterface/RangeSlider.cs

@@ -98,7 +98,7 @@ namespace osu.Game.Graphics.UserInterface
         {
             const float vertical_offset = 13;
 
-            InternalChildren = new Drawable[]
+            InternalChildren = new[]
             {
                 label = new OsuSpriteText
                 {
@@ -115,7 +115,9 @@ namespace osu.Game.Graphics.UserInterface
                     KeyboardStep = 0.1f,
                     RelativeSizeAxes = Axes.X,
                     Y = vertical_offset,
-                }
+                },
+                upperBound.Nub.CreateProxy(),
+                lowerBound.Nub.CreateProxy(),
             };
         }
 
@@ -160,6 +162,8 @@ namespace osu.Game.Graphics.UserInterface
 
         protected partial class BoundSlider : RoundedSliderBar<double>
         {
+            public new Nub Nub => base.Nub;
+
             public string? DefaultString;
             public LocalisableString? DefaultTooltip;
             public string? TooltipSuffix;

osu.Game/Graphics/UserInterface/RoundedSliderBar.cs

@@ -8,6 +8,7 @@ using osu.Framework.Allocation;
 using osu.Framework.Extensions.Color4Extensions;
 using osu.Framework.Graphics;
 using osu.Framework.Graphics.Containers;
+using osu.Framework.Graphics.Effects;
 using osu.Framework.Graphics.Shapes;
 using osu.Framework.Input.Events;
 using osu.Game.Overlays;
@@ -25,6 +26,8 @@ namespace osu.Game.Graphics.UserInterface
 
         private readonly HoverClickSounds hoverClickSounds;
 
+        private readonly Container mainContent;
+
         private Color4 accentColour;
 
         public Color4 AccentColour
@@ -62,7 +65,7 @@ namespace osu.Game.Graphics.UserInterface
                     Anchor = Anchor.CentreLeft,
                     Origin = Anchor.CentreLeft,
                     Padding = new MarginPadding { Horizontal = 2 },
-                    Child = new CircularContainer
+                    Child = mainContent = new CircularContainer
                     {
                         RelativeSizeAxes = Axes.X,
                         AutoSizeAxes = Axes.Y,
@@ -135,6 +138,26 @@ namespace osu.Game.Graphics.UserInterface
             }, true);
         }
 
+        protected override void OnFocus(FocusEvent e)
+        {
+            base.OnFocus(e);
+
+            mainContent.EdgeEffect = new EdgeEffectParameters
+            {
+                Type = EdgeEffectType.Glow,
+                Colour = AccentColour.Darken(1),
+                Hollow = true,
+                Radius = 2,
+            };
+        }
+
+        protected override void OnFocusLost(FocusLostEvent e)
+        {
+            base.OnFocusLost(e);
+
+            mainContent.EdgeEffect = default;
+        }
+
         protected override bool OnHover(HoverEvent e)
         {
             updateGlow();

osu.Game/Graphics/UserInterface/ShearedSliderBar.cs

@@ -8,6 +8,7 @@ using osu.Framework.Allocation;
 using osu.Framework.Extensions.Color4Extensions;
 using osu.Framework.Graphics;
 using osu.Framework.Graphics.Containers;
+using osu.Framework.Graphics.Effects;
 using osu.Framework.Graphics.Shapes;
 using osu.Framework.Input.Events;
 using osu.Game.Overlays;
@@ -26,6 +27,8 @@ namespace osu.Game.Graphics.UserInterface
 
         private readonly HoverClickSounds hoverClickSounds;
 
+        private readonly Container mainContent;
+
         private Color4 accentColour;
 
         public Color4 AccentColour
@@ -60,12 +63,13 @@ namespace osu.Game.Graphics.UserInterface
             RangePadding = EXPANDED_SIZE / 2;
             Children = new Drawable[]
             {
-                new Container
+                mainContent = new Container
                 {
                     RelativeSizeAxes = Axes.Both,
+                    Masking = true,
+                    CornerRadius = 5,
                     Anchor = Anchor.CentreLeft,
                     Origin = Anchor.CentreLeft,
-                    Padding = new MarginPadding { Horizontal = 2 },
                     Child = new Container
                     {
                         RelativeSizeAxes = Axes.Both,
@@ -138,6 +142,26 @@ namespace osu.Game.Graphics.UserInterface
             }, true);
         }
 
+        protected override void OnFocus(FocusEvent e)
+        {
+            base.OnFocus(e);
+
+            mainContent.EdgeEffect = new EdgeEffectParameters
+            {
+                Type = EdgeEffectType.Glow,
+                Colour = AccentColour.Darken(1),
+                Hollow = true,
+                Radius = 2,
+            };
+        }
+
+        protected override void OnFocusLost(FocusLostEvent e)
+        {
+            base.OnFocusLost(e);
+
+            mainContent.EdgeEffect = default;
+        }
+
         protected override bool OnHover(HoverEvent e)
         {
             updateGlow();
@@ -167,8 +191,8 @@ namespace osu.Game.Graphics.UserInterface
         protected override void UpdateAfterChildren()
         {
             base.UpdateAfterChildren();
-            LeftBox.Scale = new Vector2(Math.Clamp(RangePadding + Nub.DrawPosition.X - Nub.DrawWidth / 2.15f, 0, Math.Max(0, DrawWidth)), 1);
+            LeftBox.Scale = new Vector2(Math.Clamp(RangePadding + Nub.DrawPosition.X - Nub.DrawWidth / 2.3f, 0, Math.Max(0, DrawWidth)), 1);
-            RightBox.Scale = new Vector2(Math.Clamp(DrawWidth - Nub.DrawPosition.X - RangePadding - Nub.DrawWidth / 2.15f, 0, Math.Max(0, DrawWidth)), 1);
+            RightBox.Scale = new Vector2(Math.Clamp(DrawWidth - Nub.DrawPosition.X - RangePadding - Nub.DrawWidth / 2.3f, 0, Math.Max(0, DrawWidth)), 1);
         }
 
         protected override void UpdateValue(float value)

osu.Game/Graphics/UserInterfaceV2/FormSliderBar.cs

@@ -71,7 +71,7 @@ namespace osu.Game.Graphics.UserInterfaceV2
         private Box background = null!;
         private Box flashLayer = null!;
         private FormTextBox.InnerTextBox textBox = null!;
-        private Slider slider = null!;
+        private InnerSlider slider = null!;
         private FormFieldCaption caption = null!;
         private IFocusManager focusManager = null!;
 
@@ -135,7 +135,7 @@ namespace osu.Game.Graphics.UserInterfaceV2
                             },
                             TabbableContentContainer = tabbableContentContainer,
                         },
-                        slider = new Slider
+                        slider = new InnerSlider
                         {
                             Anchor = Anchor.CentreRight,
                             Origin = Anchor.CentreRight,
@@ -163,6 +163,7 @@ namespace osu.Game.Graphics.UserInterfaceV2
             textBox.Current.BindValueChanged(textChanged);
 
             slider.IsDragging.BindValueChanged(_ => updateState());
+            slider.Focused.BindValueChanged(_ => updateState());
 
             current.ValueChanged += e => currentNumberInstantaneous.Value = e.NewValue;
             current.MinValueChanged += v => currentNumberInstantaneous.MinValue = v;
@@ -259,16 +260,18 @@ namespace osu.Game.Graphics.UserInterfaceV2
 
         private void updateState()
         {
+            bool childHasFocus = slider.Focused.Value || textBox.Focused.Value;
+
             textBox.Alpha = 1;
 
             background.Colour = currentNumberInstantaneous.Disabled ? colourProvider.Background4 : colourProvider.Background5;
             caption.Colour = currentNumberInstantaneous.Disabled ? colourProvider.Foreground1 : colourProvider.Content2;
             textBox.Colour = currentNumberInstantaneous.Disabled ? colourProvider.Foreground1 : colourProvider.Content1;
 
-            BorderThickness = IsHovered || textBox.Focused.Value || slider.IsDragging.Value ? 2 : 0;
+            BorderThickness = childHasFocus || IsHovered || slider.IsDragging.Value ? 2 : 0;
-            BorderColour = textBox.Focused.Value ? colourProvider.Highlight1 : colourProvider.Light4;
+            BorderColour = childHasFocus ? colourProvider.Highlight1 : colourProvider.Light4;
 
-            if (textBox.Focused.Value)
+            if (childHasFocus)
                 background.Colour = ColourInfo.GradientVertical(colourProvider.Background5, colourProvider.Dark3);
             else if (IsHovered || slider.IsDragging.Value)
                 background.Colour = ColourInfo.GradientVertical(colourProvider.Background5, colourProvider.Dark4);
@@ -283,8 +286,10 @@ namespace osu.Game.Graphics.UserInterfaceV2
             textBox.Text = slider.GetDisplayableValue(currentNumberInstantaneous.Value).ToString();
         }
 
-        private partial class Slider : OsuSliderBar<T>
+        private partial class InnerSlider : OsuSliderBar<T>
         {
+            public BindableBool Focused { get; } = new BindableBool();
+
             public BindableBool IsDragging { get; set; } = new BindableBool();
             public Action? OnCommit { get; set; }
 
@@ -344,7 +349,6 @@ namespace osu.Game.Graphics.UserInterfaceV2
             protected override void LoadComplete()
             {
                 base.LoadComplete();
-
                 updateState();
             }
 
@@ -382,11 +386,25 @@ namespace osu.Game.Graphics.UserInterfaceV2
                 base.OnHoverLost(e);
             }
 
+            protected override void OnFocus(FocusEvent e)
+            {
+                updateState();
+                Focused.Value = true;
+                base.OnFocus(e);
+            }
+
+            protected override void OnFocusLost(FocusLostEvent e)
+            {
+                updateState();
+                Focused.Value = false;
+                base.OnFocusLost(e);
+            }
+
             private void updateState()
             {
                 rightBox.Colour = colourProvider.Background6;
-                leftBox.Colour = IsHovered || IsDragged ? colourProvider.Highlight1.Opacity(0.5f) : colourProvider.Dark2;
+                leftBox.Colour = HasFocus || IsHovered || IsDragged ? colourProvider.Highlight1.Opacity(0.5f) : colourProvider.Dark2;
-                nub.Colour = IsHovered || IsDragged ? colourProvider.Highlight1 : colourProvider.Light4;
+                nub.Colour = HasFocus || IsHovered || IsDragged ? colourProvider.Highlight1 : colourProvider.Light4;
             }
 
             protected override void UpdateValue(float value)

osu.Game/Localisation/CommonStrings.cs

@@ -174,6 +174,11 @@ namespace osu.Game.Localisation
         /// </summary>
         public static LocalisableString General => new TranslatableString(getKey(@"general"), @"General");
 
+        /// <summary>
+        /// "Copy link"
+        /// </summary>
+        public static LocalisableString CopyLink => new TranslatableString(getKey(@"copy_link"), @"Copy link");
+
         private static string getKey(string key) => $@"{prefix}:{key}";
     }
-}
+}

osu.Game/Localisation/EditorStrings.cs

@@ -114,6 +114,11 @@ namespace osu.Game.Localisation
         /// </summary>
         public static LocalisableString LimitedDistanceSnap => new TranslatableString(getKey(@"limited_distance_snap_grid"), @"Limit distance snap placement to current time");
 
+        /// <summary>
+        /// "Contract sidebars when not hovered"
+        /// </summary>
+        public static LocalisableString ContractSidebars => new TranslatableString(getKey(@"contract_sidebars"), @"Contract sidebars when not hovered");
+
         /// <summary>
         /// "Must be in edit mode to handle editor links"
         /// </summary>
@@ -134,6 +139,11 @@ namespace osu.Game.Localisation
         /// </summary>
         public static LocalisableString TimelineShowTimingChanges => new TranslatableString(getKey(@"timeline_show_timing_changes"), @"Show timing changes");
 
+        /// <summary>
+        /// "Show breaks"
+        /// </summary>
+        public static LocalisableString TimelineShowBreaks => new TranslatableString(getKey(@"timeline_show_breaks"), @"Show breaks");
+
         /// <summary>
         /// "Show ticks"
         /// </summary>

osu.Game/Localisation/PlayerLoaderStrings.cs

@@ -26,10 +26,10 @@ namespace osu.Game.Localisation
 
         /// <summary>
         /// "No performance points will be awarded.
-        /// Leaderboards may be reset by the beatmap creator."
+        /// Leaderboards may be reset."
         /// </summary>
         public static LocalisableString LovedBeatmapDisclaimerContent => new TranslatableString(getKey(@"loved_beatmap_disclaimer_content"), @"No performance points will be awarded.
-Leaderboards may be reset by the beatmap creator.");
+Leaderboards may be reset.");
 
         /// <summary>
         /// "This beatmap is qualified"

osu.Game/Online/API/APIAccess.cs

@@ -57,7 +57,7 @@ namespace osu.Game.Online.API
         private string password;
 
         public IBindable<APIUser> LocalUser => localUser;
-        public IBindableList<APIUser> Friends => friends;
+        public IBindableList<APIRelation> Friends => friends;
         public IBindable<UserActivity> Activity => activity;
         public IBindable<UserStatistics> Statistics => statistics;
 
@@ -67,7 +67,7 @@ namespace osu.Game.Online.API
 
         private Bindable<APIUser> localUser { get; } = new Bindable<APIUser>(createGuestUser());
 
-        private BindableList<APIUser> friends { get; } = new BindableList<APIUser>();
+        private BindableList<APIRelation> friends { get; } = new BindableList<APIRelation>();
 
         private Bindable<UserActivity> activity { get; } = new Bindable<UserActivity>();
 
@@ -360,19 +360,7 @@ namespace osu.Game.Online.API
                 }
             }
 
-            var friendsReq = new GetFriendsRequest();
+            UpdateLocalFriends();
-            friendsReq.Failure += _ => state.Value = APIState.Failing;
-            friendsReq.Success += res =>
-            {
-                friends.Clear();
-                friends.AddRange(res);
-            };
-
-            if (!handleRequest(friendsReq))
-            {
-                state.Value = APIState.Failing;
-                return;
-            }
 
             // The Success callback event is fired on the main thread, so we should wait for that to run before proceeding.
             // Without this, we will end up circulating this Connecting loop multiple times and queueing up many web requests
@@ -624,6 +612,22 @@ namespace osu.Game.Online.API
                 localUser.Value.Statistics = newStatistics;
         }
 
+        public void UpdateLocalFriends()
+        {
+            if (!IsLoggedIn)
+                return;
+
+            var friendsReq = new GetFriendsRequest();
+            friendsReq.Failure += _ => state.Value = APIState.Failing;
+            friendsReq.Success += res =>
+            {
+                friends.Clear();
+                friends.AddRange(res);
+            };
+
+            Queue(friendsReq);
+        }
+
         private static APIUser createGuestUser() => new GuestUser();
 
         private void setLocalUser(APIUser user) => Scheduler.Add(() =>

osu.Game/Online/API/DummyAPIAccess.cs

@@ -26,7 +26,7 @@ namespace osu.Game.Online.API
             Id = DUMMY_USER_ID,
         });
 
-        public BindableList<APIUser> Friends { get; } = new BindableList<APIUser>();
+        public BindableList<APIRelation> Friends { get; } = new BindableList<APIRelation>();
 
         public Bindable<UserActivity> Activity { get; } = new Bindable<UserActivity>();
 
@@ -201,6 +201,10 @@ namespace osu.Game.Online.API
                 LocalUser.Value.Statistics = newStatistics;
         }
 
+        public void UpdateLocalFriends()
+        {
+        }
+
         public IHubClientConnector? GetHubConnector(string clientName, string endpoint, bool preferMessagePack) => null;
 
         public IChatClient GetChatClient() => new TestChatClientConnector(this);
@@ -214,7 +218,7 @@ namespace osu.Game.Online.API
         public void SetState(APIState newState) => state.Value = newState;
 
         IBindable<APIUser> IAPIProvider.LocalUser => LocalUser;
-        IBindableList<APIUser> IAPIProvider.Friends => Friends;
+        IBindableList<APIRelation> IAPIProvider.Friends => Friends;
         IBindable<UserActivity> IAPIProvider.Activity => Activity;
         IBindable<UserStatistics?> IAPIProvider.Statistics => Statistics;
 

osu.Game/Online/API/IAPIProvider.cs

@@ -22,7 +22,7 @@ namespace osu.Game.Online.API
         /// <summary>
         /// The user's friends.
         /// </summary>
-        IBindableList<APIUser> Friends { get; }
+        IBindableList<APIRelation> Friends { get; }
 
         /// <summary>
         /// The current user's activity.
@@ -134,6 +134,11 @@ namespace osu.Game.Online.API
         /// </summary>
         void UpdateStatistics(UserStatistics newStatistics);
 
+        /// <summary>
+        /// Update the friends status of the current user.
+        /// </summary>
+        void UpdateLocalFriends();
+
         /// <summary>
         /// Schedule a callback to run on the update thread.
         /// </summary>

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

@@ -0,0 +1,30 @@
+// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
+// See the LICENCE file in the repository root for full licence text.
+
+using System.Net.Http;
+using osu.Framework.IO.Network;
+
+namespace osu.Game.Online.API.Requests
+{
+    public class AddFriendRequest : APIRequest<AddFriendResponse>
+    {
+        public readonly int TargetId;
+
+        public AddFriendRequest(int targetId)
+        {
+            TargetId = targetId;
+        }
+
+        protected override WebRequest CreateWebRequest()
+        {
+            var req = base.CreateWebRequest();
+
+            req.Method = HttpMethod.Post;
+            req.AddParameter("target", TargetId.ToString(), RequestParameterType.Query);
+
+            return req;
+        }
+
+        protected override string Target => @"friends";
+    }
+}

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

@@ -0,0 +1,14 @@
+// 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 Newtonsoft.Json;
+using osu.Game.Online.API.Requests.Responses;
+
+namespace osu.Game.Online.API.Requests
+{
+    public class AddFriendResponse
+    {
+        [JsonProperty("user_relation")]
+        public APIRelation UserRelation = null!;
+    }
+}

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

@@ -0,0 +1,27 @@
+// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
+// See the LICENCE file in the repository root for full licence text.
+
+using System.Net.Http;
+using osu.Framework.IO.Network;
+
+namespace osu.Game.Online.API.Requests
+{
+    public class DeleteFriendRequest : APIRequest
+    {
+        public readonly int TargetId;
+
+        public DeleteFriendRequest(int targetId)
+        {
+            TargetId = targetId;
+        }
+
+        protected override WebRequest CreateWebRequest()
+        {
+            var req = base.CreateWebRequest();
+            req.Method = HttpMethod.Delete;
+            return req;
+        }
+
+        protected override string Target => $@"friends/{TargetId}";
+    }
+}

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

@@ -1,6 +1,7 @@
 // Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
 // See the LICENCE file in the repository root for full licence text.
 
+using System.Globalization;
 using osu.Framework.IO.Network;
 using osu.Game.Beatmaps;
 using osu.Game.Online.API.Requests.Responses;
@@ -9,23 +10,30 @@ namespace osu.Game.Online.API.Requests
 {
     public class GetBeatmapRequest : APIRequest<APIBeatmap>
     {
-        public readonly IBeatmapInfo BeatmapInfo;
+        public readonly int OnlineID;
-        public readonly string Filename;
+        public readonly string? MD5Hash;
+        public readonly string? Filename;
 
         public GetBeatmapRequest(IBeatmapInfo beatmapInfo)
+            : this(onlineId: beatmapInfo.OnlineID, md5Hash: beatmapInfo.MD5Hash, filename: (beatmapInfo as BeatmapInfo)?.Path)
         {
-            BeatmapInfo = beatmapInfo;
+        }
-            Filename = (beatmapInfo as BeatmapInfo)?.Path ?? string.Empty;
+
+        public GetBeatmapRequest(int onlineId = -1, string? md5Hash = null, string? filename = null)
+        {
+            OnlineID = onlineId;
+            MD5Hash = md5Hash;
+            Filename = filename;
         }
 
         protected override WebRequest CreateWebRequest()
         {
             var request = base.CreateWebRequest();
 
-            if (BeatmapInfo.OnlineID > 0)
+            if (OnlineID > 0)
-                request.AddParameter(@"id", BeatmapInfo.OnlineID.ToString());
+                request.AddParameter(@"id", OnlineID.ToString(CultureInfo.InvariantCulture));
-            if (!string.IsNullOrEmpty(BeatmapInfo.MD5Hash))
+            if (!string.IsNullOrEmpty(MD5Hash))
-                request.AddParameter(@"checksum", BeatmapInfo.MD5Hash);
+                request.AddParameter(@"checksum", MD5Hash);
             if (!string.IsNullOrEmpty(Filename))
                 request.AddParameter(@"filename", Filename);
 

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

@@ -6,7 +6,7 @@ using osu.Game.Online.API.Requests.Responses;
 
 namespace osu.Game.Online.API.Requests
 {
-    public class GetFriendsRequest : APIRequest<List<APIUser>>
+    public class GetFriendsRequest : APIRequest<List<APIRelation>>
     {
         protected override string Target => @"friends";
     }

osu.Game/Online/API/Requests/Responses/APIRelation.cs

@@ -0,0 +1,30 @@
+// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
+// See the LICENCE file in the repository root for full licence text.
+
+using Newtonsoft.Json;
+using Newtonsoft.Json.Converters;
+
+namespace osu.Game.Online.API.Requests.Responses
+{
+    public class APIRelation
+    {
+        [JsonProperty("target_id")]
+        public int TargetID { get; set; }
+
+        [JsonProperty("relation_type")]
+        public RelationType RelationType { get; set; }
+
+        [JsonProperty("mutual")]
+        public bool Mutual { get; set; }
+
+        [JsonProperty("target")]
+        public APIUser? TargetUser { get; set; }
+    }
+
+    [JsonConverter(typeof(StringEnumConverter))]
+    public enum RelationType
+    {
+        Friend,
+        Block,
+    }
+}

osu.Game/Online/Chat/ExternalLinkOpener.cs

@@ -11,7 +11,7 @@ using osu.Game.Configuration;
 using osu.Game.Localisation;
 using osu.Game.Overlays;
 using osu.Game.Overlays.Dialog;
-using CommonStrings = osu.Game.Resources.Localisation.Web.CommonStrings;
+using WebCommonStrings = osu.Game.Resources.Localisation.Web.CommonStrings;
 
 namespace osu.Game.Online.Chat
 {
@@ -60,12 +60,12 @@ namespace osu.Game.Online.Chat
                     },
                     new PopupDialogCancelButton
                     {
-                        Text = @"Copy link",
+                        Text = CommonStrings.CopyLink,
                         Action = copyExternalLinkAction
                     },
                     new PopupDialogCancelButton
                     {
-                        Text = CommonStrings.ButtonsCancel,
+                        Text = WebCommonStrings.ButtonsCancel,
                     },
                 };
             }

osu.Game/Online/Leaderboards/LeaderboardScore.cs

@@ -17,6 +17,7 @@ using osu.Framework.Graphics.Sprites;
 using osu.Framework.Graphics.UserInterface;
 using osu.Framework.Input.Events;
 using osu.Framework.Localisation;
+using osu.Framework.Platform;
 using osu.Game.Extensions;
 using osu.Game.Graphics;
 using osu.Game.Graphics.Containers;
@@ -33,6 +34,8 @@ using osu.Game.Online.API;
 using osu.Game.Resources.Localisation.Web;
 using osu.Game.Rulesets.Mods;
 using osu.Game.Utils;
+using CommonStrings = osu.Game.Localisation.CommonStrings;
+using WebCommonStrings = osu.Game.Resources.Localisation.Web.CommonStrings;
 
 namespace osu.Game.Online.Leaderboards
 {
@@ -71,6 +74,12 @@ namespace osu.Game.Online.Leaderboards
         [Resolved(canBeNull: true)]
         private SongSelect songSelect { get; set; }
 
+        [Resolved(canBeNull: true)]
+        private Clipboard clipboard { get; set; }
+
+        [Resolved]
+        private IAPIProvider api { get; set; }
+
         public ITooltip<ScoreInfo> GetCustomTooltip() => new LeaderboardScoreTooltip();
         public virtual ScoreInfo TooltipContent => Score;
 
@@ -423,10 +432,13 @@ namespace osu.Game.Online.Leaderboards
                 if (Score.Mods.Length > 0 && songSelect != null)
                     items.Add(new OsuMenuItem("Use these mods", MenuItemType.Highlighted, () => songSelect.Mods.Value = Score.Mods));
 
+                if (Score.OnlineID > 0)
+                    items.Add(new OsuMenuItem(CommonStrings.CopyLink, MenuItemType.Standard, () => clipboard?.SetText($@"{api.WebsiteRootUrl}/scores/{Score.OnlineID}")));
+
                 if (Score.Files.Count > 0)
                 {
-                    items.Add(new OsuMenuItem(Localisation.CommonStrings.Export, MenuItemType.Standard, () => scoreManager.Export(Score)));
+                    items.Add(new OsuMenuItem(CommonStrings.Export, MenuItemType.Standard, () => scoreManager.Export(Score)));
-                    items.Add(new OsuMenuItem(CommonStrings.ButtonsDelete, MenuItemType.Destructive, () => dialogOverlay?.Push(new LocalScoreDeleteDialog(Score))));
+                    items.Add(new OsuMenuItem(WebCommonStrings.ButtonsDelete, MenuItemType.Destructive, () => dialogOverlay?.Push(new LocalScoreDeleteDialog(Score))));
                 }
 
                 return items.ToArray();

osu.Game/Overlays/Dashboard/Friends/FriendDisplay.cs

@@ -6,14 +6,17 @@
 using System.Collections.Generic;
 using System.Linq;
 using System.Threading;
+using JetBrains.Annotations;
 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.Game.Graphics.UserInterface;
 using osu.Game.Online.API;
 using osu.Game.Online.API.Requests.Responses;
+using osu.Game.Resources.Localisation.Web;
 using osu.Game.Users;
 using osuTK;
 
@@ -35,7 +38,8 @@ namespace osu.Game.Overlays.Dashboard.Friends
 
         private CancellationTokenSource cancellationToken;
 
-        private Drawable currentContent;
+        [CanBeNull]
+        private SearchContainer currentContent;
 
         private FriendOnlineStreamControl onlineStreamControl;
         private Box background;
@@ -43,8 +47,9 @@ namespace osu.Game.Overlays.Dashboard.Friends
         private UserListToolbar userListToolbar;
         private Container itemsPlaceholder;
         private LoadingLayer loading;
+        private BasicSearchTextBox searchTextBox;
 
-        private readonly IBindableList<APIUser> apiFriends = new BindableList<APIUser>();
+        private readonly IBindableList<APIRelation> apiFriends = new BindableList<APIRelation>();
 
         public FriendDisplay()
         {
@@ -104,7 +109,7 @@ namespace osu.Game.Overlays.Dashboard.Friends
                                 Margin = new MarginPadding { Bottom = 20 },
                                 Children = new Drawable[]
                                 {
-                                    new Container
+                                    new GridContainer
                                     {
                                         RelativeSizeAxes = Axes.X,
                                         AutoSizeAxes = Axes.Y,
@@ -113,11 +118,38 @@ namespace osu.Game.Overlays.Dashboard.Friends
                                             Horizontal = 40,
                                             Vertical = 20
                                         },
-                                        Child = userListToolbar = new UserListToolbar
+                                        ColumnDimensions = new[]
                                         {
-                                            Anchor = Anchor.CentreRight,
+                                            new Dimension(),
-                                            Origin = Anchor.CentreRight,
+                                            new Dimension(GridSizeMode.Absolute, 50),
-                                        }
+                                            new Dimension(GridSizeMode.AutoSize),
+                                        },
+                                        RowDimensions = new[]
+                                        {
+                                            new Dimension(GridSizeMode.AutoSize),
+                                        },
+                                        Content = new[]
+                                        {
+                                            new[]
+                                            {
+                                                searchTextBox = new BasicSearchTextBox
+                                                {
+                                                    RelativeSizeAxes = Axes.X,
+                                                    Anchor = Anchor.CentreLeft,
+                                                    Origin = Anchor.CentreLeft,
+                                                    Height = 40,
+                                                    ReleaseFocusOnCommit = false,
+                                                    HoldFocus = true,
+                                                    PlaceholderText = HomeStrings.SearchPlaceholder,
+                                                },
+                                                Empty(),
+                                                userListToolbar = new UserListToolbar
+                                                {
+                                                    Anchor = Anchor.CentreRight,
+                                                    Origin = Anchor.CentreRight,
+                                                },
+                                            },
+                                        },
                                     },
                                     new Container
                                     {
@@ -145,7 +177,7 @@ namespace osu.Game.Overlays.Dashboard.Friends
             controlBackground.Colour = colourProvider.Background5;
 
             apiFriends.BindTo(api.Friends);
-            apiFriends.BindCollectionChanged((_, _) => Schedule(() => Users = apiFriends.ToList()), true);
+            apiFriends.BindCollectionChanged((_, _) => Schedule(() => Users = apiFriends.Select(f => f.TargetUser).ToList()), true);
         }
 
         protected override void LoadComplete()
@@ -155,6 +187,11 @@ namespace osu.Game.Overlays.Dashboard.Friends
             onlineStreamControl.Current.BindValueChanged(_ => recreatePanels());
             userListToolbar.DisplayStyle.BindValueChanged(_ => recreatePanels());
             userListToolbar.SortCriteria.BindValueChanged(_ => recreatePanels());
+            searchTextBox.Current.BindValueChanged(_ =>
+            {
+                if (currentContent.IsNotNull())
+                    currentContent.SearchTerm = searchTextBox.Current.Value;
+            });
         }
 
         private void recreatePanels()
@@ -188,7 +225,7 @@ namespace osu.Game.Overlays.Dashboard.Friends
             }
         }
 
-        private void addContentToPlaceholder(Drawable content)
+        private void addContentToPlaceholder(SearchContainer content)
         {
             loading.Hide();
 
@@ -204,16 +241,17 @@ namespace osu.Game.Overlays.Dashboard.Friends
             currentContent.FadeIn(200, Easing.OutQuint);
         }
 
-        private FillFlowContainer createTable(List<APIUser> users)
+        private SearchContainer createTable(List<APIUser> users)
         {
             var style = userListToolbar.DisplayStyle.Value;
 
-            return new FillFlowContainer
+            return new SearchContainer
             {
                 RelativeSizeAxes = Axes.X,
                 AutoSizeAxes = Axes.Y,
                 Spacing = new Vector2(style == OverlayPanelDisplayStyle.Card ? 10 : 2),
-                Children = users.Select(u => createUserPanel(u, style)).ToList()
+                Children = users.Select(u => createUserPanel(u, style)).ToList(),
+                SearchTerm = searchTextBox.Current.Value,
             };
         }
 

osu.Game/Overlays/Profile/Header/Components/FollowersButton.cs

@@ -1,11 +1,21 @@
 // Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
 // See the LICENCE file in the repository root for full licence text.
 
+using System.Linq;
 using osu.Framework.Allocation;
 using osu.Framework.Bindables;
+using osu.Framework.Extensions.Color4Extensions;
+using osu.Framework.Graphics;
 using osu.Framework.Graphics.Sprites;
+using osu.Framework.Input.Events;
 using osu.Framework.Localisation;
+using osu.Game.Graphics;
+using osu.Game.Online.API;
+using osu.Game.Online.API.Requests;
+using osu.Game.Online.API.Requests.Responses;
+using osu.Game.Overlays.Notifications;
 using osu.Game.Resources.Localisation.Web;
+using SharpCompress;
 
 namespace osu.Game.Overlays.Profile.Header.Components
 {
@@ -13,15 +23,201 @@ namespace osu.Game.Overlays.Profile.Header.Components
     {
         public readonly Bindable<UserProfileData?> User = new Bindable<UserProfileData?>();
 
-        public override LocalisableString TooltipText => FriendsStrings.ButtonsDisabled;
+        // Because it is impossible to update the number of friends after the operation,
+        // the number of friends obtained is stored and modified locally.
+        private int followerCount;
+
+        public override LocalisableString TooltipText
+        {
+            get
+            {
+                switch (status.Value)
+                {
+                    case FriendStatus.Self:
+                        return FriendsStrings.ButtonsDisabled;
+
+                    case FriendStatus.None:
+                        return FriendsStrings.ButtonsAdd;
+
+                    case FriendStatus.NotMutual:
+                    case FriendStatus.Mutual:
+                        return FriendsStrings.ButtonsRemove;
+                }
+
+                return FriendsStrings.TitleCompact;
+            }
+        }
 
         protected override IconUsage Icon => FontAwesome.Solid.User;
 
+        private readonly IBindableList<APIRelation> apiFriends = new BindableList<APIRelation>();
+        private readonly IBindable<APIUser> localUser = new Bindable<APIUser>();
+
+        private readonly Bindable<FriendStatus> status = new Bindable<FriendStatus>();
+
+        [Resolved]
+        private OsuColour colour { get; set; } = null!;
+
+        [Resolved]
+        private OverlayColourProvider colourProvider { get; set; } = null!;
+
         [BackgroundDependencyLoader]
-        private void load()
+        private void load(IAPIProvider api, INotificationOverlay? notifications)
         {
-            // todo: when friending/unfriending is implemented, the APIAccess.Friends list should be updated accordingly.
+            localUser.BindTo(api.LocalUser);
-            User.BindValueChanged(user => SetValue(user.NewValue?.User.FollowerCount ?? 0), true);
+
+            status.BindValueChanged(_ =>
+            {
+                updateIcon();
+                updateColor();
+            });
+
+            User.BindValueChanged(u =>
+            {
+                followerCount = u.NewValue?.User.FollowerCount ?? 0;
+                updateStatus();
+            }, true);
+
+            apiFriends.BindTo(api.Friends);
+            apiFriends.BindCollectionChanged((_, _) => Schedule(updateStatus));
+
+            Action += () =>
+            {
+                if (User.Value == null)
+                    return;
+
+                if (status.Value == FriendStatus.Self)
+                    return;
+
+                ShowLoadingLayer();
+
+                APIRequest req = status.Value == FriendStatus.None ? new AddFriendRequest(User.Value.User.OnlineID) : new DeleteFriendRequest(User.Value.User.OnlineID);
+
+                req.Success += () =>
+                {
+                    if (req is AddFriendRequest addedRequest)
+                    {
+                        SetValue(++followerCount);
+                        status.Value = addedRequest.Response?.UserRelation.Mutual == true ? FriendStatus.Mutual : FriendStatus.NotMutual;
+                    }
+                    else
+                    {
+                        SetValue(--followerCount);
+                        status.Value = FriendStatus.None;
+                    }
+
+                    api.UpdateLocalFriends();
+                    HideLoadingLayer();
+                };
+
+                req.Failure += e =>
+                {
+                    notifications?.Post(new SimpleNotification
+                    {
+                        Text = e.Message,
+                        Icon = FontAwesome.Solid.Times,
+                    });
+
+                    HideLoadingLayer();
+                };
+
+                api.Queue(req);
+            };
+        }
+
+        protected override bool OnHover(HoverEvent e)
+        {
+            if (status.Value > FriendStatus.None)
+            {
+                SetIcon(FontAwesome.Solid.UserTimes);
+            }
+
+            return base.OnHover(e);
+        }
+
+        protected override void OnHoverLost(HoverLostEvent e)
+        {
+            base.OnHoverLost(e);
+
+            updateIcon();
+        }
+
+        private void updateStatus()
+        {
+            SetValue(followerCount);
+
+            if (localUser.Value.OnlineID == User.Value?.User.OnlineID)
+            {
+                status.Value = FriendStatus.Self;
+                return;
+            }
+
+            var friend = apiFriends.FirstOrDefault(u => User.Value?.User.OnlineID == u.TargetID);
+
+            if (friend != null)
+            {
+                status.Value = friend.Mutual ? FriendStatus.Mutual : FriendStatus.NotMutual;
+            }
+            else
+            {
+                status.Value = FriendStatus.None;
+            }
+        }
+
+        private void updateIcon()
+        {
+            switch (status.Value)
+            {
+                case FriendStatus.Self:
+                    SetIcon(FontAwesome.Solid.User);
+                    break;
+
+                case FriendStatus.None:
+                    SetIcon(FontAwesome.Solid.UserPlus);
+                    break;
+
+                case FriendStatus.NotMutual:
+                    SetIcon(FontAwesome.Solid.User);
+                    break;
+
+                case FriendStatus.Mutual:
+                    SetIcon(FontAwesome.Solid.UserFriends);
+                    break;
+            }
+        }
+
+        private void updateColor()
+        {
+            // https://github.com/ppy/osu-web/blob/0a5367a4a68a6cdf450eb483251b3cf03b3ac7d2/resources/css/bem/user-action-button.less
+
+            switch (status.Value)
+            {
+                case FriendStatus.Self:
+                case FriendStatus.None:
+                    IdleColour = colourProvider.Background6;
+                    HoverColour = colourProvider.Background5;
+                    break;
+
+                case FriendStatus.NotMutual:
+                    IdleColour = colour.Green.Opacity(0.7f);
+                    HoverColour = IdleColour.Lighten(0.1f);
+                    break;
+
+                case FriendStatus.Mutual:
+                    IdleColour = colour.Pink.Opacity(0.7f);
+                    HoverColour = IdleColour.Lighten(0.1f);
+                    break;
+            }
+
+            EffectTargets.ForEach(d => d.FadeColour(IsHovered ? HoverColour : IdleColour, FADE_DURATION, Easing.OutQuint));
+        }
+
+        private enum FriendStatus
+        {
+            Self,
+            None,
+            NotMutual,
+            Mutual,
         }
     }
 }

osu.Game/Overlays/Profile/Header/Components/ProfileHeaderButton.cs

@@ -7,6 +7,7 @@ using osu.Framework.Graphics;
 using osu.Framework.Graphics.Containers;
 using osu.Framework.Graphics.Shapes;
 using osu.Game.Graphics.Containers;
+using osu.Game.Graphics.UserInterface;
 
 namespace osu.Game.Overlays.Profile.Header.Components
 {
@@ -14,6 +15,7 @@ namespace osu.Game.Overlays.Profile.Header.Components
     {
         private readonly Box background;
         private readonly Container content;
+        private readonly LoadingLayer loading;
 
         protected override Container<Drawable> Content => content;
 
@@ -40,11 +42,22 @@ namespace osu.Game.Overlays.Profile.Header.Components
                         AutoSizeAxes = Axes.X,
                         RelativeSizeAxes = Axes.Y,
                         Padding = new MarginPadding { Horizontal = 10 },
-                    }
+                    },
+                    loading = new LoadingLayer(true, false)
                 }
             });
         }
 
+        protected void ShowLoadingLayer()
+        {
+            loading.Show();
+        }
+
+        protected void HideLoadingLayer()
+        {
+            loading.Hide();
+        }
+
         [BackgroundDependencyLoader]
         private void load(OverlayColourProvider colourProvider)
         {

osu.Game/Overlays/Profile/Header/Components/ProfileHeaderStatisticsButton.cs

@@ -14,6 +14,7 @@ namespace osu.Game.Overlays.Profile.Header.Components
     public abstract partial class ProfileHeaderStatisticsButton : ProfileHeaderButton
     {
         private readonly OsuSpriteText drawableText;
+        private readonly Container iconContainer;
 
         protected ProfileHeaderStatisticsButton()
         {
@@ -26,13 +27,11 @@ namespace osu.Game.Overlays.Profile.Header.Components
                 Direction = FillDirection.Horizontal,
                 Children = new Drawable[]
                 {
-                    new SpriteIcon
+                    iconContainer = new Container
                     {
                         Anchor = Anchor.CentreLeft,
                         Origin = Anchor.CentreLeft,
-                        Icon = Icon,
+                        AutoSizeAxes = Axes.Both,
-                        FillMode = FillMode.Fit,
-                        Size = new Vector2(50, 14)
                     },
                     drawableText = new OsuSpriteText
                     {
@@ -43,10 +42,24 @@ namespace osu.Game.Overlays.Profile.Header.Components
                     }
                 }
             };
+
+            SetIcon(Icon);
         }
 
         protected abstract IconUsage Icon { get; }
 
+        protected void SetIcon(IconUsage icon)
+        {
+            iconContainer.Child = new SpriteIcon
+            {
+                Anchor = Anchor.CentreLeft,
+                Origin = Anchor.CentreLeft,
+                Icon = icon,
+                FillMode = FillMode.Fit,
+                Size = new Vector2(50, 14)
+            };
+        }
+
         protected void SetValue(int value) => drawableText.Text = value.ToLocalisableString("#,##0");
     }
 }

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

@@ -222,7 +222,7 @@ namespace osu.Game.Overlays.Settings.Sections.Input
                 var button = buttons[i++];
                 button.UpdateKeyCombination(d);
 
-                tryPersistKeyBinding(button.KeyBinding.Value, advanceToNextBinding: false);
+                tryPersistKeyBinding(button.KeyBinding.Value, advanceToNextBinding: false, restoringDefaults: true);
             }
 
             isDefault.Value = true;
@@ -489,12 +489,25 @@ namespace osu.Game.Overlays.Settings.Sections.Input
             base.OnFocusLost(e);
         }
 
-        private void tryPersistKeyBinding(RealmKeyBinding keyBinding, bool advanceToNextBinding)
+        private bool isConflictingBinding(RealmKeyBinding first, RealmKeyBinding second, bool restoringDefaults)
+        {
+            if (first.ID == second.ID)
+                return false;
+
+            // ignore conflicts with same action bindings during revert. the assumption is that the other binding will be reverted subsequently in the same higher-level operation.
+            // this happens if the bindings for an action are rebound to the same keys, but the ordering of the bindings itself is different.
+            if (restoringDefaults && first.ActionInt == second.ActionInt)
+                return false;
+
+            return first.KeyCombination.Equals(second.KeyCombination);
+        }
+
+        private void tryPersistKeyBinding(RealmKeyBinding keyBinding, bool advanceToNextBinding, bool restoringDefaults = false)
         {
             List<RealmKeyBinding> bindings = GetAllSectionBindings();
             RealmKeyBinding? existingBinding = keyBinding.KeyCombination.Equals(new KeyCombination(InputKey.None))
                 ? null
-                : bindings.FirstOrDefault(other => other.ID != keyBinding.ID && other.KeyCombination.Equals(keyBinding.KeyCombination));
+                : bindings.FirstOrDefault(other => isConflictingBinding(keyBinding, other, restoringDefaults));
 
             if (existingBinding == null)
             {

osu.Game/Rulesets/Difficulty/DifficultyAttributes.cs

@@ -29,6 +29,7 @@ namespace osu.Game.Rulesets.Difficulty
         protected const int ATTRIB_ID_SPEED_DIFFICULT_STRAIN_COUNT = 23;
         protected const int ATTRIB_ID_AIM_DIFFICULT_STRAIN_COUNT = 25;
         protected const int ATTRIB_ID_OK_HIT_WINDOW = 27;
+        protected const int ATTRIB_ID_MONO_STAMINA_FACTOR = 29;
 
         /// <summary>
         /// The mods which were applied to the beatmap.

osu.Game/Rulesets/Edit/ExpandingToolboxContainer.cs

@@ -1,9 +1,13 @@
 // Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
 // See the LICENCE file in the repository root for full licence text.
 
+using osu.Framework.Allocation;
+using osu.Framework.Bindables;
 using osu.Framework.Graphics;
 using osu.Framework.Input.Events;
+using osu.Game.Configuration;
 using osu.Game.Graphics.Containers;
+using osu.Game.Screens.Edit;
 using osuTK;
 
 namespace osu.Game.Rulesets.Edit
@@ -12,6 +16,15 @@ namespace osu.Game.Rulesets.Edit
     {
         protected override double HoverExpansionDelay => 250;
 
+        protected override bool ExpandOnHover => expandOnHover;
+
+        private readonly Bindable<bool> contractSidebars = new Bindable<bool>();
+
+        private bool expandOnHover;
+
+        [Resolved]
+        private Editor? editor { get; set; }
+
         public ExpandingToolboxContainer(float contractedWidth, float expandedWidth)
             : base(contractedWidth, expandedWidth)
         {
@@ -19,6 +32,27 @@ namespace osu.Game.Rulesets.Edit
 
             FillFlow.Spacing = new Vector2(5);
             FillFlow.Padding = new MarginPadding { Vertical = 5 };
+
+            Expanded.Value = true;
+        }
+
+        [BackgroundDependencyLoader]
+        private void load(OsuConfigManager config)
+        {
+            config.BindWith(OsuSetting.EditorContractSidebars, contractSidebars);
+        }
+
+        protected override void Update()
+        {
+            base.Update();
+
+            bool requireContracting = contractSidebars.Value || editor?.DrawSize.X / editor?.DrawSize.Y < 1.7f;
+
+            if (expandOnHover != requireContracting)
+            {
+                expandOnHover = requireContracting;
+                Expanded.Value = !expandOnHover;
+            }
         }
 
         protected override bool ReceivePositionalInputAtSubTree(Vector2 screenSpacePos) => base.ReceivePositionalInputAtSubTree(screenSpacePos) && anyToolboxHovered(screenSpacePos);

osu.Game/Rulesets/Edit/HitObjectComposer.cs

@@ -344,8 +344,8 @@ namespace osu.Game.Rulesets.Edit
                 PlayfieldContentContainer.Anchor = Anchor.CentreLeft;
                 PlayfieldContentContainer.Origin = Anchor.CentreLeft;
 
-                PlayfieldContentContainer.Width = Math.Max(1024, DrawWidth) - (TOOLBOX_CONTRACTED_SIZE_LEFT + TOOLBOX_CONTRACTED_SIZE_RIGHT);
+                PlayfieldContentContainer.Width = Math.Max(1024, DrawWidth);
-                PlayfieldContentContainer.X = TOOLBOX_CONTRACTED_SIZE_LEFT;
+                PlayfieldContentContainer.X = LeftToolbox.DrawWidth;
             }
 
             composerFocusMode.Value = PlayfieldContentContainer.Contains(InputManager.CurrentState.Mouse.Position)

osu.Game/Rulesets/Ruleset.cs

@@ -101,7 +101,7 @@ namespace osu.Game.Rulesets
         /// <param name="acronym">The acronym to query for .</param>
         public Mod? CreateModFromAcronym(string acronym)
         {
-            return AllMods.FirstOrDefault(m => m.Acronym == acronym)?.CreateInstance();
+            return AllMods.FirstOrDefault(m => string.Equals(m.Acronym, acronym, StringComparison.OrdinalIgnoreCase))?.CreateInstance();
         }
 
         /// <summary>

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

@@ -0,0 +1,12 @@
+// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
+// See the LICENCE file in the repository root for full licence text.
+
+namespace osu.Game.Screens.Edit.Compose.Components
+{
+    public enum EditorOrigin
+    {
+        GridCentre,
+        PlayfieldCentre,
+        SelectionCentre
+    }
+}

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

@@ -6,6 +6,7 @@ using osu.Framework.Allocation;
 using osu.Framework.Bindables;
 using osu.Framework.Caching;
 using osu.Game.Beatmaps.Timing;
+using osu.Game.Configuration;
 using osu.Game.Screens.Edit.Components.Timelines.Summary.Parts;
 
 namespace osu.Game.Screens.Edit.Compose.Components.Timeline
@@ -27,6 +28,15 @@ namespace osu.Game.Screens.Edit.Compose.Components.Timeline
 
         private readonly BindableList<BreakPeriod> breaks = new BindableList<BreakPeriod>();
 
+        private readonly BindableBool showBreaks = new BindableBool(true);
+
+        [BackgroundDependencyLoader]
+        private void load(OsuConfigManager configManager)
+        {
+            configManager.BindWith(OsuSetting.EditorTimelineShowBreaks, showBreaks);
+            showBreaks.BindValueChanged(_ => breakCache.Invalidate());
+        }
+
         protected override void LoadBeatmap(EditorBeatmap beatmap)
         {
             base.LoadBeatmap(beatmap);
@@ -67,6 +77,9 @@ namespace osu.Game.Screens.Edit.Compose.Components.Timeline
         {
             Clear();
 
+            if (!showBreaks.Value)
+                return;
+
             for (int i = 0; i < breaks.Count; i++)
             {
                 var breakPeriod = breaks[i];

osu.Game/Screens/Edit/Editor.cs

@@ -214,7 +214,9 @@ namespace osu.Game.Screens.Edit
         private Bindable<bool> editorAutoSeekOnPlacement;
         private Bindable<bool> editorLimitedDistanceSnap;
         private Bindable<bool> editorTimelineShowTimingChanges;
+        private Bindable<bool> editorTimelineShowBreaks;
         private Bindable<bool> editorTimelineShowTicks;
+        private Bindable<bool> editorContractSidebars;
 
         /// <summary>
         /// This controls the opacity of components like the timelines, sidebars, etc.
@@ -322,7 +324,9 @@ namespace osu.Game.Screens.Edit
             editorAutoSeekOnPlacement = config.GetBindable<bool>(OsuSetting.EditorAutoSeekOnPlacement);
             editorLimitedDistanceSnap = config.GetBindable<bool>(OsuSetting.EditorLimitedDistanceSnap);
             editorTimelineShowTimingChanges = config.GetBindable<bool>(OsuSetting.EditorTimelineShowTimingChanges);
+            editorTimelineShowBreaks = config.GetBindable<bool>(OsuSetting.EditorTimelineShowBreaks);
             editorTimelineShowTicks = config.GetBindable<bool>(OsuSetting.EditorTimelineShowTicks);
+            editorContractSidebars = config.GetBindable<bool>(OsuSetting.EditorContractSidebars);
 
             AddInternal(new OsuContextMenuContainer
             {
@@ -388,6 +392,10 @@ namespace osu.Game.Screens.Edit
                                                     {
                                                         State = { BindTarget = editorTimelineShowTicks }
                                                     },
+                                                    new ToggleMenuItem(EditorStrings.TimelineShowBreaks)
+                                                    {
+                                                        State = { BindTarget = editorTimelineShowBreaks }
+                                                    },
                                                 ]
                                             },
                                             new BackgroundDimMenuItem(editorBackgroundDim),
@@ -402,7 +410,11 @@ namespace osu.Game.Screens.Edit
                                             new ToggleMenuItem(EditorStrings.LimitedDistanceSnap)
                                             {
                                                 State = { BindTarget = editorLimitedDistanceSnap },
-                                            }
+                                            },
+                                            new ToggleMenuItem(EditorStrings.ContractSidebars)
+                                            {
+                                                State = { BindTarget = editorContractSidebars }
+                                            },
                                         }
                                     },
                                     new MenuItem(EditorStrings.Timing)

osu.Game/Screens/Play/HUD/GameplayLeaderboardScore.cs

@@ -316,7 +316,7 @@ namespace osu.Game.Screens.Play.HUD
 
             HasQuit.BindValueChanged(_ => updateState());
 
-            isFriend = User != null && api.Friends.Any(u => User.OnlineID == u.Id);
+            isFriend = User != null && api.Friends.Any(u => User.OnlineID == u.TargetID);
         }
 
         protected override void LoadComplete()

osu.Game/Screens/Play/Player.cs

@@ -562,11 +562,8 @@ namespace osu.Game.Screens.Play
                 }
                 catch (BeatmapInvalidForRulesetException)
                 {
-                    // A playable beatmap may not be creatable with the user's preferred ruleset, so try using the beatmap's default ruleset
+                    Logger.Log($"The current beatmap is not playable in {ruleset.RulesetInfo.Name}!", level: LogLevel.Important);
-                    rulesetInfo = Beatmap.Value.BeatmapInfo.Ruleset;
+                    return null;
-                    ruleset = rulesetInfo.CreateInstance();
-
-                    playable = Beatmap.Value.GetPlayableBeatmap(rulesetInfo, gameplayMods, cancellationToken);
                 }
 
                 if (playable.HitObjects.Count == 0)

osu.Game/Screens/Select/Carousel/DrawableCarouselBeatmap.cs

@@ -32,6 +32,8 @@ using osu.Game.Rulesets;
 using osu.Game.Rulesets.Mods;
 using osuTK;
 using osuTK.Graphics;
+using CommonStrings = osu.Game.Localisation.CommonStrings;
+using WebCommonStrings = osu.Game.Resources.Localisation.Web.CommonStrings;
 
 namespace osu.Game.Screens.Select.Carousel
 {
@@ -296,10 +298,10 @@ namespace osu.Game.Screens.Select.Carousel
                 items.Add(new OsuMenuItem("Collections") { Items = collectionItems });
 
                 if (beatmapInfo.GetOnlineURL(api, ruleset.Value) is string url)
-                    items.Add(new OsuMenuItem("Copy link", MenuItemType.Standard, () => game?.CopyUrlToClipboard(url)));
+                    items.Add(new OsuMenuItem(CommonStrings.CopyLink, MenuItemType.Standard, () => game?.CopyUrlToClipboard(url)));
 
                 if (hideRequested != null)
-                    items.Add(new OsuMenuItem(CommonStrings.ButtonsHide.ToSentence(), MenuItemType.Destructive, () => hideRequested(beatmapInfo)));
+                    items.Add(new OsuMenuItem(WebCommonStrings.ButtonsHide.ToSentence(), MenuItemType.Destructive, () => hideRequested(beatmapInfo)));
 
                 return items.ToArray();
             }

osu.Game/Screens/Select/Carousel/DrawableCarouselBeatmapSet.cs

@@ -20,6 +20,7 @@ using osu.Game.Beatmaps;
 using osu.Game.Collections;
 using osu.Game.Database;
 using osu.Game.Graphics.UserInterface;
+using osu.Game.Localisation;
 using osu.Game.Online.API;
 using osu.Game.Overlays;
 using osu.Game.Rulesets;
@@ -300,7 +301,7 @@ namespace osu.Game.Screens.Select.Carousel
                     items.Add(new OsuMenuItem("Restore all hidden", MenuItemType.Standard, () => restoreHiddenRequested(beatmapSet)));
 
                 if (beatmapSet.GetOnlineURL(api, ruleset.Value) is string url)
-                    items.Add(new OsuMenuItem("Copy link", MenuItemType.Standard, () => game?.CopyUrlToClipboard(url)));
+                    items.Add(new OsuMenuItem(CommonStrings.CopyLink, MenuItemType.Standard, () => game?.CopyUrlToClipboard(url)));
 
                 if (dialogOverlay != null)
                     items.Add(new OsuMenuItem("Delete...", MenuItemType.Destructive, () => dialogOverlay.Push(new BeatmapDeleteDialog(beatmapSet))));

osu.Game/Screens/SelectV2/Leaderboards/LeaderboardScoreV2.cs

@@ -16,6 +16,7 @@ using osu.Framework.Graphics.Shapes;
 using osu.Framework.Graphics.UserInterface;
 using osu.Framework.Input.Events;
 using osu.Framework.Localisation;
+using osu.Framework.Platform;
 using osu.Game.Configuration;
 using osu.Game.Extensions;
 using osu.Game.Graphics;
@@ -23,6 +24,7 @@ using osu.Game.Graphics.Backgrounds;
 using osu.Game.Graphics.Containers;
 using osu.Game.Graphics.Sprites;
 using osu.Game.Graphics.UserInterface;
+using osu.Game.Online.API;
 using osu.Game.Online.API.Requests.Responses;
 using osu.Game.Online.Leaderboards;
 using osu.Game.Overlays;
@@ -82,6 +84,12 @@ namespace osu.Game.Screens.SelectV2.Leaderboards
         [Resolved]
         private ScoreManager scoreManager { get; set; } = null!;
 
+        [Resolved]
+        private Clipboard? clipboard { get; set; }
+
+        [Resolved]
+        private IAPIProvider api { get; set; } = null!;
+
         private Container content = null!;
         private Box background = null!;
         private Box foreground = null!;
@@ -769,6 +777,9 @@ namespace osu.Game.Screens.SelectV2.Leaderboards
                 if (score.Mods.Length > 0)
                     items.Add(new OsuMenuItem("Use these mods", MenuItemType.Highlighted, () => SelectedMods.Value = score.Mods.Where(m => IsValidMod.Invoke(m)).ToArray()));
 
+                if (score.OnlineID > 0)
+                    items.Add(new OsuMenuItem(CommonStrings.CopyLink, MenuItemType.Standard, () => clipboard?.SetText($@"{api.WebsiteRootUrl}/scores/{score.OnlineID}")));
+
                 if (score.Files.Count <= 0) return items.ToArray();
 
                 items.Add(new OsuMenuItem(CommonStrings.Export, MenuItemType.Standard, () => scoreManager.Export(score)));

osu.Game/Skinning/Components/BeatmapAttributeText.cs

@@ -3,6 +3,8 @@
 
 using System;
 using System.Collections.Generic;
+using System.Linq;
+using System.Threading;
 using JetBrains.Annotations;
 using osu.Framework.Allocation;
 using osu.Framework.Bindables;
@@ -18,6 +20,9 @@ using osu.Game.Graphics.Sprites;
 using osu.Game.Localisation;
 using osu.Game.Localisation.SkinComponents;
 using osu.Game.Resources.Localisation.Web;
+using osu.Game.Rulesets;
+using osu.Game.Rulesets.Mods;
+using osu.Game.Utils;
 
 namespace osu.Game.Skinning.Components
 {
@@ -33,7 +38,20 @@ namespace osu.Game.Skinning.Components
         [Resolved]
         private IBindable<WorkingBeatmap> beatmap { get; set; } = null!;
 
+        [Resolved]
+        private IBindable<IReadOnlyList<Mod>> mods { get; set; } = null!;
+
+        [Resolved]
+        private IBindable<RulesetInfo> ruleset { get; set; } = null!;
+
+        [Resolved]
+        private BeatmapDifficultyCache difficultyCache { get; set; } = null!;
+
         private readonly OsuSpriteText text;
+        private IBindable<StarDifficulty?>? difficultyBindable;
+        private CancellationTokenSource? difficultyCancellationSource;
+        private ModSettingChangeTracker? modSettingTracker;
+        private StarDifficulty? starDifficulty;
 
         public BeatmapAttributeText()
         {
@@ -55,7 +73,35 @@ namespace osu.Game.Skinning.Components
 
             Attribute.BindValueChanged(_ => updateText());
             Template.BindValueChanged(_ => updateText());
-            beatmap.BindValueChanged(_ => updateText());
+
+            beatmap.BindValueChanged(b =>
+            {
+                difficultyCancellationSource?.Cancel();
+                difficultyCancellationSource = new CancellationTokenSource();
+
+                difficultyBindable?.UnbindAll();
+                difficultyBindable = difficultyCache.GetBindableDifficulty(b.NewValue.BeatmapInfo, difficultyCancellationSource.Token);
+                difficultyBindable.BindValueChanged(d =>
+                {
+                    starDifficulty = d.NewValue;
+                    updateText();
+                });
+
+                updateText();
+            }, true);
+
+            mods.BindValueChanged(m =>
+            {
+                modSettingTracker?.Dispose();
+                modSettingTracker = new ModSettingChangeTracker(m.NewValue)
+                {
+                    SettingChanged = _ => updateText()
+                };
+
+                updateText();
+            }, true);
+
+            ruleset.BindValueChanged(_ => updateText());
 
             updateText();
         }
@@ -156,37 +202,64 @@ namespace osu.Game.Skinning.Components
                     return beatmap.Value.BeatmapInfo.Metadata.Source;
 
                 case BeatmapAttribute.Length:
-                    return TimeSpan.FromMilliseconds(beatmap.Value.BeatmapInfo.Length).ToFormattedDuration();
+                    return Math.Round(beatmap.Value.BeatmapInfo.Length / ModUtils.CalculateRateWithMods(mods.Value)).ToFormattedDuration();
 
                 case BeatmapAttribute.RankedStatus:
                     return beatmap.Value.BeatmapInfo.Status.GetLocalisableDescription();
 
                 case BeatmapAttribute.BPM:
-                    return beatmap.Value.BeatmapInfo.BPM.ToLocalisableString(@"F2");
+                    return FormatUtils.RoundBPM(beatmap.Value.BeatmapInfo.BPM, ModUtils.CalculateRateWithMods(mods.Value)).ToLocalisableString(@"F2");
 
                 case BeatmapAttribute.CircleSize:
-                    return ((double)beatmap.Value.BeatmapInfo.Difficulty.CircleSize).ToLocalisableString(@"F2");
+                    return computeDifficulty().CircleSize.ToLocalisableString(@"F2");
 
                 case BeatmapAttribute.HPDrain:
-                    return ((double)beatmap.Value.BeatmapInfo.Difficulty.DrainRate).ToLocalisableString(@"F2");
+                    return computeDifficulty().DrainRate.ToLocalisableString(@"F2");
 
                 case BeatmapAttribute.Accuracy:
-                    return ((double)beatmap.Value.BeatmapInfo.Difficulty.OverallDifficulty).ToLocalisableString(@"F2");
+                    return computeDifficulty().OverallDifficulty.ToLocalisableString(@"F2");
 
                 case BeatmapAttribute.ApproachRate:
-                    return ((double)beatmap.Value.BeatmapInfo.Difficulty.ApproachRate).ToLocalisableString(@"F2");
+                    return computeDifficulty().ApproachRate.ToLocalisableString(@"F2");
 
                 case BeatmapAttribute.StarRating:
-                    return beatmap.Value.BeatmapInfo.StarRating.ToLocalisableString(@"F2");
+                    return (starDifficulty?.Stars ?? 0).ToLocalisableString(@"F2");
 
                 default:
                     return string.Empty;
             }
+
+            BeatmapDifficulty computeDifficulty()
+            {
+                BeatmapDifficulty difficulty = new BeatmapDifficulty(beatmap.Value.BeatmapInfo.Difficulty);
+
+                foreach (var mod in mods.Value.OfType<IApplicableToDifficulty>())
+                    mod.ApplyToDifficulty(difficulty);
+
+                if (ruleset.Value is RulesetInfo rulesetInfo)
+                {
+                    double rate = ModUtils.CalculateRateWithMods(mods.Value);
+                    difficulty = rulesetInfo.CreateInstance().GetRateAdjustedDisplayDifficulty(difficulty, rate);
+                }
+
+                return difficulty;
+            }
         }
 
         protected override void SetFont(FontUsage font) => text.Font = font.With(size: 40);
 
         protected override void SetTextColour(Colour4 textColour) => text.Colour = textColour;
+
+        protected override void Dispose(bool isDisposing)
+        {
+            base.Dispose(isDisposing);
+
+            difficultyCancellationSource?.Cancel();
+            difficultyCancellationSource?.Dispose();
+            difficultyCancellationSource = null;
+
+            modSettingTracker?.Dispose();
+        }
     }
 
     // WARNING: DO NOT ADD ANY VALUES TO THIS ENUM ANYWHERE ELSE THAN AT THE END.

osu.Game/Tests/Visual/OnlinePlay/TestRoomRequestsHandler.cs

@@ -188,7 +188,7 @@ namespace osu.Game.Tests.Visual.OnlinePlay
 
                 case GetBeatmapRequest getBeatmapRequest:
                 {
-                    getBeatmapRequest.TriggerSuccess(createResponseBeatmaps(getBeatmapRequest.BeatmapInfo.OnlineID).Single());
+                    getBeatmapRequest.TriggerSuccess(createResponseBeatmaps(getBeatmapRequest.OnlineID).Single());
                     return true;
                 }
 

osu.Game/Users/UserPanel.cs

@@ -6,6 +6,7 @@ using System.Collections.Generic;
 using System.Linq;
 using osu.Framework.Allocation;
 using osu.Framework.Graphics;
+using osu.Framework.Graphics.Containers;
 using osu.Framework.Graphics.Shapes;
 using osu.Game.Graphics;
 using osu.Game.Graphics.Sprites;
@@ -13,6 +14,7 @@ using osu.Game.Overlays;
 using osu.Framework.Graphics.UserInterface;
 using osu.Game.Graphics.UserInterface;
 using osu.Framework.Graphics.Cursor;
+using osu.Framework.Localisation;
 using osu.Framework.Screens;
 using osu.Game.Graphics.Containers;
 using osu.Game.Online.API;
@@ -28,7 +30,7 @@ using osuTK;
 
 namespace osu.Game.Users
 {
-    public abstract partial class UserPanel : OsuClickableContainer, IHasContextMenu
+    public abstract partial class UserPanel : OsuClickableContainer, IHasContextMenu, IFilterable
     {
         public readonly APIUser User;
 
@@ -162,5 +164,20 @@ namespace osu.Game.Users
                 return items.ToArray();
             }
         }
+
+        public IEnumerable<LocalisableString> FilterTerms => [User.Username];
+
+        public bool MatchingFilter
+        {
+            set
+            {
+                if (value)
+                    Show();
+                else
+                    Hide();
+            }
+        }
+
+        public bool FilteringActive { get; set; }
     }
 }

osu.Game/osu.Game.csproj

@@ -35,7 +35,7 @@
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
     </PackageReference>
     <PackageReference Include="Realm" Version="11.5.0" />
-    <PackageReference Include="ppy.osu.Framework" Version="2024.1009.0" />
+    <PackageReference Include="ppy.osu.Framework" Version="2024.1025.0" />
     <PackageReference Include="ppy.osu.Game.Resources" Version="2024.1003.0" />
     <PackageReference Include="Sentry" Version="4.12.1" />
     <!-- Held back due to 0.34.0 failing AOT compilation on ZstdSharp.dll dependency. -->

osu.iOS.props

@@ -17,6 +17,6 @@
     <MtouchInterpreter>-all</MtouchInterpreter>
   </PropertyGroup>
   <ItemGroup>
-    <PackageReference Include="ppy.osu.Framework.iOS" Version="2024.1009.0" />
+    <PackageReference Include="ppy.osu.Framework.iOS" Version="2024.1025.0" />
   </ItemGroup>
 </Project>