Adjust osu!taiko and osu!mania editors to not visualise velocity changes by default

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

@@ -26,6 +26,7 @@
 namespace osu.Game.Rulesets.Catch.Edit
 {
     public partial class CatchHitObjectComposer : DistancedHitObjectComposer<CatchHitObject>
+        // we're also a ScrollingHitObjectComposer candidate, but can't be everything can we?
     {
         private const float distance_snap_radius = 50;
 
@@ -140,7 +141,7 @@ public override bool OnPressed(KeyBindingPressEvent<GlobalAction> e)
             return base.OnPressed(e);
         }
 
-        protected override DrawableRuleset<CatchHitObject> CreateDrawableRuleset(Ruleset ruleset, IBeatmap beatmap, IReadOnlyList<Mod>? mods = null) =>
+        protected override DrawableRuleset<CatchHitObject> CreateDrawableRuleset(Ruleset ruleset, IBeatmap beatmap, IReadOnlyList<Mod> mods) =>
             new DrawableCatchEditorRuleset(ruleset, beatmap, mods)
             {
                 TimeRangeMultiplier = { BindTarget = timeRangeMultiplier, }

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

@@ -21,15 +21,14 @@ namespace osu.Game.Rulesets.Catch.UI
 {
     public partial class DrawableCatchRuleset : DrawableScrollingRuleset<CatchHitObject>
     {
-        protected override ScrollVisualisationMethod VisualisationMethod => ScrollVisualisationMethod.Constant;
-
         protected override bool UserScrollSpeedAdjustment => false;
 
         public DrawableCatchRuleset(Ruleset ruleset, IBeatmap beatmap, IReadOnlyList<Mod>? mods = null)
             : base(ruleset, beatmap, mods)
         {
             Direction.Value = ScrollingDirection.Down;
             TimeRange.Value = GetTimeRange(beatmap.Difficulty.ApproachRate);
+            VisualisationMethod = ScrollVisualisationMethod.Constant;
         }
 
         [BackgroundDependencyLoader]

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

@@ -24,7 +24,7 @@ public void TestConstantScroll() => CreateModTest(new ModTestData
             PassCondition = () =>
             {
                 var hitObject = Player.ChildrenOfType<DrawableManiaHitObject>().FirstOrDefault();
-                return hitObject?.Dependencies.Get<IScrollingInfo>().Algorithm is ConstantScrollAlgorithm;
+                return hitObject?.Dependencies.Get<IScrollingInfo>().Algorithm.Value is ConstantScrollAlgorithm;
             }
         });
     }

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

@@ -58,7 +58,7 @@ private class TestScrollingInfo : IScrollingInfo
 
             IBindable<ScrollingDirection> IScrollingInfo.Direction => Direction;
             IBindable<double> IScrollingInfo.TimeRange { get; } = new Bindable<double>(5000);
-            IScrollAlgorithm IScrollingInfo.Algorithm { get; } = new ConstantScrollAlgorithm();
+            IBindable<IScrollAlgorithm> IScrollingInfo.Algorithm { get; } = new Bindable<IScrollAlgorithm>(new ConstantScrollAlgorithm());
         }
     }
 }

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

@@ -2,25 +2,36 @@
 // See the LICENCE file in the repository root for full licence text.
 
 using System.Collections.Generic;
+using osu.Framework.Bindables;
 using osu.Framework.Graphics;
-using osuTK;
 using osu.Game.Beatmaps;
+using osu.Game.Configuration;
 using osu.Game.Rulesets.Mania.UI;
 using osu.Game.Rulesets.Mods;
 using osu.Game.Rulesets.UI;
 using osu.Game.Rulesets.UI.Scrolling;
+using osuTK;
 
 namespace osu.Game.Rulesets.Mania.Edit
 {
-    public partial class DrawableManiaEditorRuleset : DrawableManiaRuleset
+    public partial class DrawableManiaEditorRuleset : DrawableManiaRuleset, ISupportConstantAlgorithmToggle
     {
+        public BindableBool ShowSpeedChanges { get; set; } = new BindableBool();
+
         public new IScrollingInfo ScrollingInfo => base.ScrollingInfo;
 
         public DrawableManiaEditorRuleset(Ruleset ruleset, IBeatmap beatmap, IReadOnlyList<Mod>? mods)
             : base(ruleset, beatmap, mods)
         {
         }
 
+        protected override void LoadComplete()
+        {
+            base.LoadComplete();
+
+            ShowSpeedChanges.BindValueChanged(showChanges => VisualisationMethod = showChanges.NewValue ? ScrollVisualisationMethod.Sequential : ScrollVisualisationMethod.Constant, true);
+        }
+
         protected override Playfield CreatePlayfield() => new ManiaEditorPlayfield(Beatmap.Stages)
         {
             Anchor = Anchor.Centre,

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

@@ -21,7 +21,7 @@
 
 namespace osu.Game.Rulesets.Mania.Edit
 {
-    public partial class ManiaHitObjectComposer : HitObjectComposer<ManiaHitObject>
+    public partial class ManiaHitObjectComposer : ScrollingHitObjectComposer<ManiaHitObject>
     {
         private DrawableManiaEditorRuleset drawableRuleset;
         private ManiaBeatSnapGrid beatSnapGrid;
@@ -57,7 +57,7 @@ protected override IReadOnlyDependencyContainer CreateChildDependencies(IReadOnl
         protected override Playfield PlayfieldAtScreenSpacePosition(Vector2 screenSpacePosition) =>
             Playfield.GetColumnByPosition(screenSpacePosition);
 
-        protected override DrawableRuleset<ManiaHitObject> CreateDrawableRuleset(Ruleset ruleset, IBeatmap beatmap, IReadOnlyList<Mod> mods = null)
+        protected override DrawableRuleset<ManiaHitObject> CreateDrawableRuleset(Ruleset ruleset, IBeatmap beatmap, IReadOnlyList<Mod> mods)
         {
             drawableRuleset = new DrawableManiaEditorRuleset(ruleset, beatmap, mods);
 

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

@@ -28,7 +28,7 @@ public class ManiaModConstantSpeed : Mod, IApplicableToDrawableRuleset<ManiaHitO
         public void ApplyToDrawableRuleset(DrawableRuleset<ManiaHitObject> drawableRuleset)
         {
             var maniaRuleset = (DrawableManiaRuleset)drawableRuleset;
-            maniaRuleset.ScrollMethod = ScrollVisualisationMethod.Constant;
+            maniaRuleset.VisualisationMethod = ScrollVisualisationMethod.Constant;
         }
     }
 }

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

@@ -3,7 +3,6 @@
 
 #nullable disable
 
-using System;
 using System.Collections.Generic;
 using System.Linq;
 using osu.Framework.Allocation;
@@ -14,7 +13,6 @@
 using osu.Framework.Input;
 using osu.Game.Beatmaps;
 using osu.Game.Beatmaps.ControlPoints;
-using osu.Game.Configuration;
 using osu.Game.Input.Handlers;
 using osu.Game.Replays;
 using osu.Game.Rulesets.Mania.Beatmaps;
@@ -52,22 +50,6 @@ public partial class DrawableManiaRuleset : DrawableScrollingRuleset<ManiaHitObj
 
         protected new ManiaRulesetConfigManager Config => (ManiaRulesetConfigManager)base.Config;
 
-        public ScrollVisualisationMethod ScrollMethod
-        {
-            get => scrollMethod;
-            set
-            {
-                if (IsLoaded)
-                    throw new InvalidOperationException($"Can't alter {nameof(ScrollMethod)} after ruleset is already loaded");
-
-                scrollMethod = value;
-            }
-        }
-
-        private ScrollVisualisationMethod scrollMethod = ScrollVisualisationMethod.Sequential;
-
-        protected override ScrollVisualisationMethod VisualisationMethod => scrollMethod;
-
         private readonly Bindable<ManiaScrollingDirection> configDirection = new Bindable<ManiaScrollingDirection>();
         private readonly BindableInt configScrollSpeed = new BindableInt();
         private double smoothTimeRange;

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

@@ -37,7 +37,7 @@ public OsuHitObjectComposer(Ruleset ruleset)
         {
         }
 
-        protected override DrawableRuleset<OsuHitObject> CreateDrawableRuleset(Ruleset ruleset, IBeatmap beatmap, IReadOnlyList<Mod> mods = null)
+        protected override DrawableRuleset<OsuHitObject> CreateDrawableRuleset(Ruleset ruleset, IBeatmap beatmap, IReadOnlyList<Mod> mods)
             => new DrawableOsuEditorRuleset(ruleset, beatmap, mods);
 
         protected override IReadOnlyList<HitObjectCompositionTool> CompositionTools => new HitObjectCompositionTool[]

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

@@ -0,0 +1,37 @@
+// Copyright (c) ppy Pty Ltd <[email protected]>. Licensed under the MIT Licence.
+// See the LICENCE file in the repository root for full licence text.
+
+using System.Collections.Generic;
+using osu.Framework.Bindables;
+using osu.Game.Beatmaps;
+using osu.Game.Configuration;
+using osu.Game.Rulesets.Mods;
+using osu.Game.Rulesets.Taiko.UI;
+using osu.Game.Rulesets.UI.Scrolling;
+
+namespace osu.Game.Rulesets.Taiko.Edit
+{
+    public partial class DrawableTaikoEditorRuleset : DrawableTaikoRuleset, ISupportConstantAlgorithmToggle
+    {
+        public BindableBool ShowSpeedChanges { get; set; } = new BindableBool();
+
+        public DrawableTaikoEditorRuleset(Ruleset ruleset, IBeatmap beatmap, IReadOnlyList<Mod> mods)
+            : base(ruleset, beatmap, mods)
+        {
+        }
+
+        protected override void LoadComplete()
+        {
+            base.LoadComplete();
+
+            ShowSpeedChanges.BindValueChanged(showChanges => VisualisationMethod = showChanges.NewValue ? ScrollVisualisationMethod.Overlapping : ScrollVisualisationMethod.Constant, true);
+        }
+
+        protected override double ComputeTimeRange()
+        {
+            // Adjust when we're using constant algorithm to not be sluggish.
+            double multiplier = ShowSpeedChanges.Value ? 1 : 4;
+            return base.ComputeTimeRange() / multiplier;
+        }
+    }
+}

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

@@ -2,14 +2,17 @@
 // See the LICENCE file in the repository root for full licence text.
 
 using System.Collections.Generic;
+using osu.Game.Beatmaps;
 using osu.Game.Rulesets.Edit;
 using osu.Game.Rulesets.Edit.Tools;
+using osu.Game.Rulesets.Mods;
 using osu.Game.Rulesets.Taiko.Objects;
+using osu.Game.Rulesets.UI;
 using osu.Game.Screens.Edit.Compose.Components;
 
 namespace osu.Game.Rulesets.Taiko.Edit
 {
-    public partial class TaikoHitObjectComposer : HitObjectComposer<TaikoHitObject>
+    public partial class TaikoHitObjectComposer : ScrollingHitObjectComposer<TaikoHitObject>
     {
         protected override bool ApplyHorizontalCentering => false;
 
@@ -25,6 +28,9 @@ public TaikoHitObjectComposer(TaikoRuleset ruleset)
             new SwellCompositionTool()
         };
 
+        protected override DrawableRuleset<TaikoHitObject> CreateDrawableRuleset(Ruleset ruleset, IBeatmap beatmap, IReadOnlyList<Mod> mods) =>
+            new DrawableTaikoEditorRuleset(ruleset, beatmap, mods);
+
         protected override ComposeBlueprintContainer CreateBlueprintContainer()
             => new TaikoBlueprintContainer(this);
     }

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

@@ -35,8 +35,6 @@ public partial class DrawableTaikoRuleset : DrawableScrollingRuleset<TaikoHitObj
 
         public new TaikoInputManager KeyBindingInputManager => (TaikoInputManager)base.KeyBindingInputManager;
 
-        protected override ScrollVisualisationMethod VisualisationMethod => ScrollVisualisationMethod.Overlapping;
-
         protected override bool UserScrollSpeedAdjustment => false;
 
         private SkinnableDrawable scroller;
@@ -45,6 +43,7 @@ public DrawableTaikoRuleset(Ruleset ruleset, IBeatmap beatmap, IReadOnlyList<Mod
             : base(ruleset, beatmap, mods)
         {
             Direction.Value = ScrollingDirection.Left;
+            VisualisationMethod = ScrollVisualisationMethod.Overlapping;
         }
 
         [BackgroundDependencyLoader]
@@ -65,6 +64,11 @@ protected override void Update()
         {
             base.Update();
 
+            TimeRange.Value = ComputeTimeRange();
+        }
+
+        protected virtual double ComputeTimeRange()
+        {
             // Taiko scrolls at a constant 100px per 1000ms. More notes become visible as the playfield is lengthened.
             const float scroll_rate = 10;
 
@@ -73,7 +77,7 @@ protected override void Update()
             // We clamp the ratio to the maximum aspect ratio to keep scroll speed consistent on widths lower than the default.
             float ratio = Math.Max(DrawSize.X / 768f, TaikoPlayfieldAdjustmentContainer.MAXIMUM_ASPECT);
 
-            TimeRange.Value = (Playfield.HitObjectContainer.DrawWidth / ratio) * scroll_rate;
+            return (Playfield.HitObjectContainer.DrawWidth / ratio) * scroll_rate;
         }
 
         protected override void UpdateAfterChildren()

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

@@ -311,14 +311,13 @@ private partial class TestDrawableScrollingRuleset : DrawableScrollingRuleset<Te
 
             protected override bool RelativeScaleBeatLengths => RelativeScaleBeatLengthsOverride;
 
-            protected override ScrollVisualisationMethod VisualisationMethod => ScrollVisualisationMethod.Overlapping;
-
             public new Bindable<double> TimeRange => base.TimeRange;
 
             public TestDrawableScrollingRuleset(Ruleset ruleset, IBeatmap beatmap, IReadOnlyList<Mod> mods = null)
                 : base(ruleset, beatmap, mods)
             {
                 TimeRange.Value = time_range;
+                VisualisationMethod = ScrollVisualisationMethod.Overlapping;
             }
 
             public override DrawableHitObject<TestHitObject> CreateDrawableRepresentation(TestHitObject h)

osu.Game/Rulesets/Edit/DistancedHitObjectComposer.cs

@@ -62,7 +62,7 @@ protected DistancedHitObjectComposer(Ruleset ruleset)
         }
 
         [BackgroundDependencyLoader]
-        private void load(OverlayColourProvider colourProvider)
+        private void load()
         {
             RightToolbox.Add(new EditorToolboxGroup("snapping")
             {

osu.Game/Rulesets/Edit/HitObjectComposer.cs

@@ -87,6 +87,8 @@ public abstract partial class HitObjectComposer<TObject> : HitObjectComposer, IP
         private IBindable<bool> hasTiming;
         private Bindable<bool> autoSeekOnPlacement;
 
+        protected DrawableRuleset<TObject> DrawableRuleset { get; private set; }
+
         protected HitObjectComposer(Ruleset ruleset)
             : base(ruleset)
         {
@@ -104,7 +106,8 @@ private void load(OsuConfigManager config)
 
             try
             {
-                drawableRulesetWrapper = new DrawableEditorRulesetWrapper<TObject>(CreateDrawableRuleset(Ruleset, EditorBeatmap.PlayableBeatmap, new[] { Ruleset.GetAutoplayMod() }))
+                DrawableRuleset = CreateDrawableRuleset(Ruleset, EditorBeatmap.PlayableBeatmap, new[] { Ruleset.GetAutoplayMod() });
+                drawableRulesetWrapper = new DrawableEditorRulesetWrapper<TObject>(DrawableRuleset)
                 {
                     Clock = EditorClock,
                     ProcessCustomClock = false
@@ -304,7 +307,7 @@ protected override void Update()
         /// <param name="beatmap">The loaded beatmap.</param>
         /// <param name="mods">The mods to be applied.</param>
         /// <returns>An editor-relevant <see cref="DrawableRuleset{TObject}"/>.</returns>
-        protected virtual DrawableRuleset<TObject> CreateDrawableRuleset(Ruleset ruleset, IBeatmap beatmap, IReadOnlyList<Mod> mods = null)
+        protected virtual DrawableRuleset<TObject> CreateDrawableRuleset(Ruleset ruleset, IBeatmap beatmap, IReadOnlyList<Mod> mods)
             => (DrawableRuleset<TObject>)ruleset.CreateDrawableRulesetWith(beatmap, mods);
 
         #region Tool selection logic

osu.Game/Rulesets/Edit/ScrollingHitObjectComposer.cs

@@ -0,0 +1,51 @@
+// Copyright (c) ppy Pty Ltd <[email protected]>. Licensed under the MIT Licence.
+// See the LICENCE file in the repository root for full licence text.
+
+using osu.Framework.Allocation;
+using osu.Framework.Bindables;
+using osu.Framework.Graphics;
+using osu.Framework.Graphics.Containers;
+using osu.Framework.Graphics.Sprites;
+using osu.Game.Graphics.UserInterface;
+using osu.Game.Rulesets.Objects;
+using osu.Game.Rulesets.UI.Scrolling;
+using osu.Game.Screens.Edit.Components.TernaryButtons;
+using osuTK;
+
+namespace osu.Game.Rulesets.Edit
+{
+    public abstract partial class ScrollingHitObjectComposer<TObject> : HitObjectComposer<TObject>
+        where TObject : HitObject
+    {
+        private readonly Bindable<TernaryState> showSpeedChanges = new Bindable<TernaryState>();
+
+        protected ScrollingHitObjectComposer(Ruleset ruleset)
+            : base(ruleset)
+        {
+        }
+
+        [BackgroundDependencyLoader]
+        private void load()
+        {
+            if (DrawableRuleset is ISupportConstantAlgorithmToggle toggleRuleset)
+            {
+                LeftToolbox.Add(new EditorToolboxGroup("playfield")
+                {
+                    Child = new FillFlowContainer
+                    {
+                        RelativeSizeAxes = Axes.X,
+                        AutoSizeAxes = Axes.Y,
+                        Direction = FillDirection.Vertical,
+                        Spacing = new Vector2(0, 5),
+                        Children = new[]
+                        {
+                            new DrawableTernaryButton(new TernaryButton(showSpeedChanges, "Show speed changes", () => new SpriteIcon { Icon = FontAwesome.Solid.TachometerAlt }))
+                        }
+                    },
+                });
+
+                showSpeedChanges.BindValueChanged(state => toggleRuleset.ShowSpeedChanges.Value = state.NewValue == TernaryState.True, true);
+            }
+        }
+    }
+}