Merge branch 'master' into scoring-standardisation

osu.Android.props

@@ -52,6 +52,6 @@
   </ItemGroup>
   <ItemGroup>
     <PackageReference Include="ppy.osu.Game.Resources" Version="2020.904.0" />
-    <PackageReference Include="ppy.osu.Framework.Android" Version="2020.925.0" />
+    <PackageReference Include="ppy.osu.Framework.Android" Version="2020.930.0" />
   </ItemGroup>
 </Project>

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

@@ -7,7 +7,6 @@ using System.Linq;
 using NUnit.Framework;
 using osu.Framework.Allocation;
 using osu.Framework.Audio;
-using osu.Framework.Bindables;
 using osu.Framework.Graphics.Sprites;
 using osu.Framework.Testing;
 using osu.Framework.Timing;
@@ -194,13 +193,7 @@ namespace osu.Game.Rulesets.Osu.Tests
 
             addSeekStep(0);
 
-            AddStep("adjust track rate", () => MusicController.CurrentTrack.AddAdjustment(AdjustableProperty.Tempo, new BindableDouble(rate)));
+            AddStep("adjust track rate", () => Player.GameplayClockContainer.UserPlaybackRate.Value = rate);
-            // autoplay replay frames use track time;
-            // if a spin takes 1000ms in track time and we're playing with a 2x rate adjustment, the spin will take 500ms of *real* time.
-            // therefore we need to apply the rate adjustment to the replay itself to change from track time to real time,
-            // as real time is what we care about for spinners
-            // (so we're making the spin take 1000ms in real time *always*, regardless of the track clock's rate).
-            transformReplay(replay => applyRateAdjustment(replay, rate));
 
             addSeekStep(1000);
             AddAssert("progress almost same", () => Precision.AlmostEquals(expectedProgress, drawableSpinner.Progress, 0.05));

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

@@ -87,7 +87,7 @@ namespace osu.Game.Rulesets.Osu.Objects.Drawables
             Tracking.BindValueChanged(updateSlidingSample);
         }
 
-        private SkinnableSound slidingSample;
+        private PausableSkinnableSound slidingSample;
 
         protected override void LoadSamples()
         {
@@ -103,7 +103,7 @@ namespace osu.Game.Rulesets.Osu.Objects.Drawables
                 var clone = HitObject.SampleControlPoint.ApplyTo(firstSample);
                 clone.Name = "sliderslide";
 
-                AddInternal(slidingSample = new SkinnableSound(clone)
+                AddInternal(slidingSample = new PausableSkinnableSound(clone)
                 {
                     Looping = true
                 });
@@ -112,10 +112,7 @@ namespace osu.Game.Rulesets.Osu.Objects.Drawables
 
         private void updateSlidingSample(ValueChangedEvent<bool> tracking)
         {
-            // note that samples will not start playing if exiting a seek operation in the middle of a slider.
+            if (tracking.NewValue)
-            // may be something we want to address at a later point, but not so easy to make happen right now
-            // (SkinnableSound would need to expose whether the sample is already playing and this logic would need to run in Update).
-            if (tracking.NewValue && ShouldPlaySamples)
                 slidingSample?.Play();
             else
                 slidingSample?.Stop();

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

@@ -84,7 +84,7 @@ namespace osu.Game.Rulesets.Osu.Objects.Drawables
             isSpinning.BindValueChanged(updateSpinningSample);
         }
 
-        private SkinnableSound spinningSample;
+        private PausableSkinnableSound spinningSample;
         private const float spinning_sample_initial_frequency = 1.0f;
         private const float spinning_sample_modulated_base_frequency = 0.5f;
 
@@ -102,7 +102,7 @@ namespace osu.Game.Rulesets.Osu.Objects.Drawables
                 var clone = HitObject.SampleControlPoint.ApplyTo(firstSample);
                 clone.Name = "spinnerspin";
 
-                AddInternal(spinningSample = new SkinnableSound(clone)
+                AddInternal(spinningSample = new PausableSkinnableSound(clone)
                 {
                     Volume = { Value = 0 },
                     Looping = true,
@@ -113,10 +113,7 @@ namespace osu.Game.Rulesets.Osu.Objects.Drawables
 
         private void updateSpinningSample(ValueChangedEvent<bool> tracking)
         {
-            // note that samples will not start playing if exiting a seek operation in the middle of a spinner.
+            if (tracking.NewValue)
-            // may be something we want to address at a later point, but not so easy to make happen right now
-            // (SkinnableSound would need to expose whether the sample is already playing and this logic would need to run in Update).
-            if (tracking.NewValue && ShouldPlaySamples)
             {
                 spinningSample?.Play();
                 spinningSample?.VolumeTo(1, 200);

osu.Game.Rulesets.Osu/Objects/Drawables/Pieces/SpinnerRotationTracker.cs

@@ -2,11 +2,13 @@
 // See the LICENCE file in the repository root for full licence text.
 
 using System;
+using osu.Framework.Allocation;
 using osu.Framework.Bindables;
 using osu.Framework.Graphics;
 using osu.Framework.Graphics.Containers;
 using osu.Framework.Input.Events;
 using osu.Framework.Utils;
+using osu.Game.Screens.Play;
 using osuTK;
 
 namespace osu.Game.Rulesets.Osu.Objects.Drawables.Pieces
@@ -77,6 +79,9 @@ namespace osu.Game.Rulesets.Osu.Objects.Drawables.Pieces
 
         private bool rotationTransferred;
 
+        [Resolved(canBeNull: true)]
+        private GameplayClock gameplayClock { get; set; }
+
         protected override void Update()
         {
             base.Update();
@@ -126,7 +131,7 @@ namespace osu.Game.Rulesets.Osu.Objects.Drawables.Pieces
             currentRotation += angle;
             // rate has to be applied each frame, because it's not guaranteed to be constant throughout playback
             // (see: ModTimeRamp)
-            RateAdjustedRotation += (float)(Math.Abs(angle) * Clock.Rate);
+            RateAdjustedRotation += (float)(Math.Abs(angle) * (gameplayClock?.TrueGameplayRate ?? Clock.Rate));
         }
     }
 }

osu.Game.Rulesets.Taiko/Audio/DrumSampleContainer.cs

@@ -42,9 +42,9 @@ namespace osu.Game.Rulesets.Taiko.Audio
             }
         }
 
-        private SkinnableSound addSound(HitSampleInfo hitSampleInfo, double lifetimeStart, double lifetimeEnd)
+        private PausableSkinnableSound addSound(HitSampleInfo hitSampleInfo, double lifetimeStart, double lifetimeEnd)
         {
-            var drawable = new SkinnableSound(hitSampleInfo)
+            var drawable = new PausableSkinnableSound(hitSampleInfo)
             {
                 LifetimeStart = lifetimeStart,
                 LifetimeEnd = lifetimeEnd
@@ -57,8 +57,8 @@ namespace osu.Game.Rulesets.Taiko.Audio
 
         public class DrumSample
         {
-            public SkinnableSound Centre;
+            public PausableSkinnableSound Centre;
-            public SkinnableSound Rim;
+            public PausableSkinnableSound Rim;
         }
     }
 }

osu.Game.Rulesets.Taiko/Skinning/LegacyHitExplosion.cs

@@ -1,21 +1,64 @@
 // 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.Graphics;
 using osu.Framework.Graphics.Containers;
+using osu.Game.Rulesets.Objects.Drawables;
+using osu.Game.Rulesets.Taiko.Objects.Drawables;
 
 namespace osu.Game.Rulesets.Taiko.Skinning
 {
     public class LegacyHitExplosion : CompositeDrawable
     {
-        public LegacyHitExplosion(Drawable sprite)
+        private readonly Drawable sprite;
-        {
+        private readonly Drawable strongSprite;
-            InternalChild = sprite;
 
+        private DrawableStrongNestedHit nestedStrongHit;
+        private bool switchedToStrongSprite;
+
+        /// <summary>
+        /// Creates a new legacy hit explosion.
+        /// </summary>
+        /// <remarks>
+        /// Contrary to stable's, this implementation doesn't require a frame-perfect hit
+        /// for the strong sprite to be displayed.
+        /// </remarks>
+        /// <param name="sprite">The normal legacy explosion sprite.</param>
+        /// <param name="strongSprite">The strong legacy explosion sprite.</param>
+        public LegacyHitExplosion(Drawable sprite, Drawable strongSprite = null)
+        {
+            this.sprite = sprite;
+            this.strongSprite = strongSprite;
+        }
+
+        [BackgroundDependencyLoader]
+        private void load(DrawableHitObject judgedObject)
+        {
             Anchor = Anchor.Centre;
             Origin = Anchor.Centre;
 
             AutoSizeAxes = Axes.Both;
+
+            AddInternal(sprite.With(s =>
+            {
+                s.Anchor = Anchor.Centre;
+                s.Origin = Anchor.Centre;
+            }));
+
+            if (strongSprite != null)
+            {
+                AddInternal(strongSprite.With(s =>
+                {
+                    s.Alpha = 0;
+                    s.Anchor = Anchor.Centre;
+                    s.Origin = Anchor.Centre;
+                }));
+            }
+
+            if (judgedObject is DrawableHit hit)
+                nestedStrongHit = hit.NestedHitObjects.SingleOrDefault() as DrawableStrongNestedHit;
         }
 
         protected override void LoadComplete()
@@ -33,5 +76,25 @@ namespace osu.Game.Rulesets.Taiko.Skinning
 
             Expire(true);
         }
+
+        protected override void Update()
+        {
+            base.Update();
+
+            if (shouldSwitchToStrongSprite() && !switchedToStrongSprite)
+            {
+                sprite.FadeOut(50, Easing.OutQuint);
+                strongSprite.FadeIn(50, Easing.OutQuint);
+                switchedToStrongSprite = true;
+            }
+        }
+
+        private bool shouldSwitchToStrongSprite()
+        {
+            if (nestedStrongHit == null || strongSprite == null)
+                return false;
+
+            return nestedStrongHit.IsHit;
+        }
     }
 }

osu.Game.Rulesets.Taiko/Skinning/TaikoLegacySkinTransformer.cs

@@ -74,15 +74,23 @@ namespace osu.Game.Rulesets.Taiko.Skinning
 
                     return null;
 
-                case TaikoSkinComponents.TaikoExplosionGood:
-                case TaikoSkinComponents.TaikoExplosionGoodStrong:
-                case TaikoSkinComponents.TaikoExplosionGreat:
-                case TaikoSkinComponents.TaikoExplosionGreatStrong:
                 case TaikoSkinComponents.TaikoExplosionMiss:
 
-                    var sprite = this.GetAnimation(getHitName(taikoComponent.Component), true, false);
+                    var missSprite = this.GetAnimation(getHitName(taikoComponent.Component), true, false);
-                    if (sprite != null)
+                    if (missSprite != null)
-                        return new LegacyHitExplosion(sprite);
+                        return new LegacyHitExplosion(missSprite);
+
+                    return null;
+
+                case TaikoSkinComponents.TaikoExplosionGood:
+                case TaikoSkinComponents.TaikoExplosionGreat:
+
+                    var hitName = getHitName(taikoComponent.Component);
+                    var hitSprite = this.GetAnimation(hitName, true, false);
+                    var strongHitSprite = this.GetAnimation($"{hitName}k", true, false);
+
+                    if (hitSprite != null)
+                        return new LegacyHitExplosion(hitSprite, strongHitSprite);
 
                     return null;
 
@@ -109,17 +117,11 @@ namespace osu.Game.Rulesets.Taiko.Skinning
                 case TaikoSkinComponents.TaikoExplosionGood:
                     return "taiko-hit100";
 
-                case TaikoSkinComponents.TaikoExplosionGoodStrong:
-                    return "taiko-hit100k";
-
                 case TaikoSkinComponents.TaikoExplosionGreat:
                     return "taiko-hit300";
-
-                case TaikoSkinComponents.TaikoExplosionGreatStrong:
-                    return "taiko-hit300k";
             }
 
-            throw new ArgumentOutOfRangeException(nameof(component), "Invalid result type");
+            throw new ArgumentOutOfRangeException(nameof(component), $"Invalid component type: {component}");
         }
 
         public override SampleChannel GetSample(ISampleInfo sampleInfo) => Source.GetSample(new LegacyTaikoSampleInfo(sampleInfo));

osu.Game.Rulesets.Taiko/TaikoSkinComponents.cs

@@ -17,9 +17,7 @@ namespace osu.Game.Rulesets.Taiko
         BarLine,
         TaikoExplosionMiss,
         TaikoExplosionGood,
-        TaikoExplosionGoodStrong,
         TaikoExplosionGreat,
-        TaikoExplosionGreatStrong,
         Scroller,
         Mascot,
     }

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

@@ -2,7 +2,6 @@
 // See the LICENCE file in the repository root for full licence text.
 
 using System;
-using System.Linq;
 using osuTK;
 using osu.Framework.Allocation;
 using osu.Framework.Graphics;
@@ -10,7 +9,6 @@ using osu.Framework.Graphics.Containers;
 using osu.Game.Rulesets.Objects.Drawables;
 using osu.Game.Rulesets.Scoring;
 using osu.Game.Rulesets.Taiko.Objects;
-using osu.Game.Rulesets.Taiko.Objects.Drawables;
 using osu.Game.Skinning;
 
 namespace osu.Game.Rulesets.Taiko.UI
@@ -50,10 +48,10 @@ namespace osu.Game.Rulesets.Taiko.UI
         [BackgroundDependencyLoader]
         private void load()
         {
-            Child = skinnable = new SkinnableDrawable(new TaikoSkinComponent(getComponentName(JudgedObject)), _ => new DefaultHitExplosion(JudgedObject, result));
+            Child = skinnable = new SkinnableDrawable(new TaikoSkinComponent(getComponentName(result)), _ => new DefaultHitExplosion(JudgedObject, result));
         }
 
-        private TaikoSkinComponents getComponentName(DrawableHitObject judgedObject)
+        private static TaikoSkinComponents getComponentName(HitResult result)
         {
             switch (result)
             {
@@ -61,28 +59,13 @@ namespace osu.Game.Rulesets.Taiko.UI
                     return TaikoSkinComponents.TaikoExplosionMiss;
 
                 case HitResult.Good:
-                    return useStrongExplosion(judgedObject)
+                    return TaikoSkinComponents.TaikoExplosionGood;
-                        ? TaikoSkinComponents.TaikoExplosionGoodStrong
-                        : TaikoSkinComponents.TaikoExplosionGood;
 
                 case HitResult.Great:
-                    return useStrongExplosion(judgedObject)
+                    return TaikoSkinComponents.TaikoExplosionGreat;
-                        ? TaikoSkinComponents.TaikoExplosionGreatStrong
-                        : TaikoSkinComponents.TaikoExplosionGreat;
             }
 
-            throw new ArgumentOutOfRangeException(nameof(judgedObject), "Invalid result type");
+            throw new ArgumentOutOfRangeException(nameof(result), $"Invalid result type: {result}");
-        }
-
-        private bool useStrongExplosion(DrawableHitObject judgedObject)
-        {
-            if (!(judgedObject.HitObject is Hit))
-                return false;
-
-            if (!(judgedObject.NestedHitObjects.SingleOrDefault() is DrawableStrongNestedHit nestedHit))
-                return false;
-
-            return judgedObject.Result.Type == nestedHit.Result.Type;
         }
 
         /// <summary>

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

@@ -215,16 +215,12 @@ namespace osu.Game.Rulesets.Taiko.UI
         private void addDrumRollHit(DrawableDrumRollTick drawableTick) =>
             drumRollHitContainer.Add(new DrawableFlyingHit(drawableTick));
 
-        /// <remarks>
+        private void addExplosion(DrawableHitObject drawableObject, HitResult result, HitType type)
-        /// As legacy skins have different explosions for singular and double strong hits,
-        /// explosion addition is scheduled to ensure that both hits are processed if they occur on the same frame.
-        /// </remarks>
-        private void addExplosion(DrawableHitObject drawableObject, HitResult result, HitType type) => Schedule(() =>
         {
             hitExplosionContainer.Add(new HitExplosion(drawableObject, result));
             if (drawableObject.HitObject.Kiai)
                 kiaiExplosionContainer.Add(new KiaiHitExplosion(drawableObject, type));
-        });
+        }
 
         private class ProxyContainer : LifetimeManagementContainer
         {

osu.Game.Tests/Gameplay/TestSceneStoryboardSamples.cs

@@ -4,10 +4,12 @@
 using System;
 using System.Collections.Generic;
 using System.IO;
+using System.Linq;
 using System.Threading.Tasks;
 using NUnit.Framework;
 using osu.Framework.Audio;
 using osu.Framework.Audio.Sample;
+using osu.Framework.Graphics.Audio;
 using osu.Framework.IO.Stores;
 using osu.Framework.Testing;
 using osu.Game.Audio;
@@ -106,9 +108,14 @@ namespace osu.Game.Tests.Gameplay
                 Beatmap.Value = new TestCustomSkinWorkingBeatmap(new OsuRuleset().RulesetInfo, Audio);
                 SelectedMods.Value = new[] { testedMod };
 
-                Add(gameplayContainer = new GameplayClockContainer(Beatmap.Value, 0));
+                var beatmapSkinSourceContainer = new BeatmapSkinProvidingContainer(Beatmap.Value.Skin);
 
-                gameplayContainer.Add(sample = new TestDrawableStoryboardSample(new StoryboardSampleInfo("test-sample", 1, 1))
+                Add(gameplayContainer = new GameplayClockContainer(Beatmap.Value, 0)
+                {
+                    Child = beatmapSkinSourceContainer
+                });
+
+                beatmapSkinSourceContainer.Add(sample = new TestDrawableStoryboardSample(new StoryboardSampleInfo("test-sample", 1, 1))
                 {
                     Clock = gameplayContainer.GameplayClock
                 });
@@ -116,7 +123,7 @@ namespace osu.Game.Tests.Gameplay
 
             AddStep("start", () => gameplayContainer.Start());
 
-            AddAssert("sample playback rate matches mod rates", () => sample.Channel.AggregateFrequency.Value == expectedRate);
+            AddAssert("sample playback rate matches mod rates", () => sample.ChildrenOfType<DrawableSample>().First().AggregateFrequency.Value == expectedRate);
         }
 
         private class TestSkin : LegacySkin
@@ -168,8 +175,6 @@ namespace osu.Game.Tests.Gameplay
                 : base(sampleInfo)
             {
             }
-
-            public new SampleChannel Channel => base.Channel;
         }
     }
 }

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

@@ -4,7 +4,7 @@
 using NUnit.Framework;
 using osu.Framework.Allocation;
 using osu.Game.Rulesets.Edit;
-using osu.Game.Rulesets.Osu.Beatmaps;
+using osu.Game.Rulesets.Osu;
 using osu.Game.Screens.Edit;
 using osu.Game.Screens.Edit.Timing;
 
@@ -17,16 +17,26 @@ namespace osu.Game.Tests.Visual.Editing
         [Cached(typeof(IBeatSnapProvider))]
         private readonly EditorBeatmap editorBeatmap;
 
+        protected override bool ScrollUsingMouseWheel => false;
+
         public TestSceneTimingScreen()
         {
-            editorBeatmap = new EditorBeatmap(new OsuBeatmap());
+            editorBeatmap = new EditorBeatmap(CreateBeatmap(new OsuRuleset().RulesetInfo));
         }
 
         [BackgroundDependencyLoader]
         private void load()
         {
             Beatmap.Value = CreateWorkingBeatmap(editorBeatmap.PlayableBeatmap);
+            Beatmap.Disabled = true;
+
             Child = new TimingScreen();
         }
+
+        protected override void Dispose(bool isDisposing)
+        {
+            Beatmap.Disabled = false;
+            base.Dispose(isDisposing);
+        }
     }
 }

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

@@ -158,7 +158,7 @@ namespace osu.Game.Tests.Visual.Gameplay
         public void TestQuickRetryFromFailedGameplay()
         {
             AddUntilStep("wait for fail", () => Player.HasFailed);
-            AddStep("quick retry", () => Player.GameplayClockContainer.OfType<HotkeyRetryOverlay>().First().Action?.Invoke());
+            AddStep("quick retry", () => Player.GameplayClockContainer.ChildrenOfType<HotkeyRetryOverlay>().First().Action?.Invoke());
 
             confirmExited();
         }
@@ -167,7 +167,7 @@ namespace osu.Game.Tests.Visual.Gameplay
         public void TestQuickExitFromFailedGameplay()
         {
             AddUntilStep("wait for fail", () => Player.HasFailed);
-            AddStep("quick exit", () => Player.GameplayClockContainer.OfType<HotkeyExitOverlay>().First().Action?.Invoke());
+            AddStep("quick exit", () => Player.GameplayClockContainer.ChildrenOfType<HotkeyExitOverlay>().First().Action?.Invoke());
 
             confirmExited();
         }
@@ -183,7 +183,7 @@ namespace osu.Game.Tests.Visual.Gameplay
         [Test]
         public void TestQuickExitFromGameplay()
         {
-            AddStep("quick exit", () => Player.GameplayClockContainer.OfType<HotkeyExitOverlay>().First().Action?.Invoke());
+            AddStep("quick exit", () => Player.GameplayClockContainer.ChildrenOfType<HotkeyExitOverlay>().First().Action?.Invoke());
 
             confirmExited();
         }

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

@@ -22,11 +22,11 @@ namespace osu.Game.Tests.Visual.Gameplay
 {
     public class TestSceneSkinnableSound : OsuTestScene
     {
-        [Cached]
+        [Cached(typeof(ISamplePlaybackDisabler))]
         private GameplayClock gameplayClock = new GameplayClock(new FramedClock());
 
         private TestSkinSourceContainer skinSource;
-        private SkinnableSound skinnableSound;
+        private PausableSkinnableSound skinnableSound;
 
         [SetUp]
         public void SetUp() => Schedule(() =>
@@ -39,7 +39,7 @@ namespace osu.Game.Tests.Visual.Gameplay
                 {
                     Clock = gameplayClock,
                     RelativeSizeAxes = Axes.Both,
-                    Child = skinnableSound = new SkinnableSound(new SampleInfo("normal-sliderslide"))
+                    Child = skinnableSound = new PausableSkinnableSound(new SampleInfo("normal-sliderslide"))
                 },
             };
         });

osu.Game/Extensions/EditorDisplayExtensions.cs

@@ -0,0 +1,26 @@
+// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
+// See the LICENCE file in the repository root for full licence text.
+
+using System;
+
+namespace osu.Game.Extensions
+{
+    public static class EditorDisplayExtensions
+    {
+        /// <summary>
+        /// Get an editor formatted string (mm:ss:mss)
+        /// </summary>
+        /// <param name="milliseconds">A time value in milliseconds.</param>
+        /// <returns>An editor formatted display string.</returns>
+        public static string ToEditorFormattedString(this double milliseconds) =>
+            ToEditorFormattedString(TimeSpan.FromMilliseconds(milliseconds));
+
+        /// <summary>
+        /// Get an editor formatted string (mm:ss:mss)
+        /// </summary>
+        /// <param name="timeSpan">A time value.</param>
+        /// <returns>An editor formatted display string.</returns>
+        public static string ToEditorFormattedString(this TimeSpan timeSpan) =>
+            $"{(timeSpan < TimeSpan.Zero ? "-" : string.Empty)}{timeSpan:mm\\:ss\\:fff}";
+    }
+}

osu.Game/Rulesets/Mods/IApplicableToSample.cs

@@ -1,7 +1,7 @@
 // Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
 // See the LICENCE file in the repository root for full licence text.
 
-using osu.Framework.Audio.Sample;
+using osu.Framework.Graphics.Audio;
 
 namespace osu.Game.Rulesets.Mods
 {
@@ -10,6 +10,6 @@ namespace osu.Game.Rulesets.Mods
     /// </summary>
     public interface IApplicableToSample : IApplicableMod
     {
-        void ApplyToSample(SampleChannel sample);
+        void ApplyToSample(DrawableSample sample);
     }
 }

osu.Game/Rulesets/Mods/ModNightcore.cs

@@ -52,10 +52,10 @@ namespace osu.Game.Rulesets.Mods
 
         public class NightcoreBeatContainer : BeatSyncedContainer
         {
-            private SkinnableSound hatSample;
+            private PausableSkinnableSound hatSample;
-            private SkinnableSound clapSample;
+            private PausableSkinnableSound clapSample;
-            private SkinnableSound kickSample;
+            private PausableSkinnableSound kickSample;
-            private SkinnableSound finishSample;
+            private PausableSkinnableSound finishSample;
 
             private int? firstBeat;
 
@@ -69,10 +69,10 @@ namespace osu.Game.Rulesets.Mods
             {
                 InternalChildren = new Drawable[]
                 {
-                    hatSample = new SkinnableSound(new SampleInfo("nightcore-hat")),
+                    hatSample = new PausableSkinnableSound(new SampleInfo("nightcore-hat")),
-                    clapSample = new SkinnableSound(new SampleInfo("nightcore-clap")),
+                    clapSample = new PausableSkinnableSound(new SampleInfo("nightcore-clap")),
-                    kickSample = new SkinnableSound(new SampleInfo("nightcore-kick")),
+                    kickSample = new PausableSkinnableSound(new SampleInfo("nightcore-kick")),
-                    finishSample = new SkinnableSound(new SampleInfo("nightcore-finish")),
+                    finishSample = new PausableSkinnableSound(new SampleInfo("nightcore-finish")),
                 };
             }
 

osu.Game/Rulesets/Mods/ModRateAdjust.cs

@@ -2,9 +2,9 @@
 // See the LICENCE file in the repository root for full licence text.
 
 using osu.Framework.Audio;
-using osu.Framework.Audio.Sample;
 using osu.Framework.Audio.Track;
 using osu.Framework.Bindables;
+using osu.Framework.Graphics.Audio;
 
 namespace osu.Game.Rulesets.Mods
 {
@@ -17,7 +17,7 @@ namespace osu.Game.Rulesets.Mods
             track.AddAdjustment(AdjustableProperty.Tempo, SpeedChange);
         }
 
-        public virtual void ApplyToSample(SampleChannel sample)
+        public virtual void ApplyToSample(DrawableSample sample)
         {
             sample.AddAdjustment(AdjustableProperty.Frequency, SpeedChange);
         }

osu.Game/Rulesets/Mods/ModTimeRamp.cs

@@ -6,11 +6,11 @@ using System.Linq;
 using osu.Framework.Audio;
 using osu.Framework.Audio.Track;
 using osu.Framework.Bindables;
+using osu.Framework.Graphics.Audio;
 using osu.Game.Beatmaps;
 using osu.Game.Configuration;
-using osu.Game.Rulesets.UI;
 using osu.Game.Rulesets.Objects;
-using osu.Framework.Audio.Sample;
+using osu.Game.Rulesets.UI;
 
 namespace osu.Game.Rulesets.Mods
 {
@@ -59,7 +59,7 @@ namespace osu.Game.Rulesets.Mods
             AdjustPitch.TriggerChange();
         }
 
-        public void ApplyToSample(SampleChannel sample)
+        public void ApplyToSample(DrawableSample sample)
         {
             sample.AddAdjustment(AdjustableProperty.Frequency, SpeedChange);
         }

osu.Game/Rulesets/Objects/Drawables/DrawableHitObject.cs

@@ -18,7 +18,6 @@ using osu.Game.Rulesets.Objects.Types;
 using osu.Game.Rulesets.Scoring;
 using osu.Game.Skinning;
 using osu.Game.Configuration;
-using osu.Game.Screens.Play;
 using osuTK.Graphics;
 
 namespace osu.Game.Rulesets.Objects.Drawables
@@ -35,7 +34,7 @@ namespace osu.Game.Rulesets.Objects.Drawables
         /// </summary>
         public readonly Bindable<Color4> AccentColour = new Bindable<Color4>(Color4.Gray);
 
-        protected SkinnableSound Samples { get; private set; }
+        protected PausableSkinnableSound Samples { get; private set; }
 
         public virtual IEnumerable<HitSampleInfo> GetSamples() => HitObject.Samples;
 
@@ -180,7 +179,7 @@ namespace osu.Game.Rulesets.Objects.Drawables
                                                     + $" This is an indication that {nameof(HitObject.ApplyDefaults)} has not been invoked on {this}.");
             }
 
-            Samples = new SkinnableSound(samples.Select(s => HitObject.SampleControlPoint.ApplyTo(s)));
+            Samples = new PausableSkinnableSound(samples.Select(s => HitObject.SampleControlPoint.ApplyTo(s)));
             AddInternal(Samples);
         }
 
@@ -360,9 +359,6 @@ namespace osu.Game.Rulesets.Objects.Drawables
         {
         }
 
-        [Resolved(canBeNull: true)]
-        private GameplayClock gameplayClock { get; set; }
-
         /// <summary>
         /// Calculate the position to be used for sample playback at a specified X position (0..1).
         /// </summary>
@@ -375,18 +371,13 @@ namespace osu.Game.Rulesets.Objects.Drawables
             return balance_adjust_amount * (userPositionalHitSounds.Value ? position - 0.5f : 0);
         }
 
-        /// <summary>
-        /// Whether samples should currently be playing. Will be false during seek operations.
-        /// </summary>
-        protected bool ShouldPlaySamples => gameplayClock?.IsSeeking != true;
-
         /// <summary>
         /// Plays all the hit sounds for this <see cref="DrawableHitObject"/>.
         /// This is invoked automatically when this <see cref="DrawableHitObject"/> is hit.
         /// </summary>
         public virtual void PlaySamples()
         {
-            if (Samples != null && ShouldPlaySamples)
+            if (Samples != null)
             {
                 Samples.Balance.Value = CalculateSamplePlaybackBalance(SamplePlaybackPosition);
                 Samples.Play();

osu.Game/Rulesets/Scoring/HitResult.cs

@@ -15,7 +15,7 @@ namespace osu.Game.Rulesets.Scoring
         /// </summary>
         [Description(@"")]
         [Order(14)]
-        None = 0,
+        None,
 
         /// <summary>
         /// Indicates that the object has been judged as a miss.
@@ -26,7 +26,7 @@ namespace osu.Game.Rulesets.Scoring
         /// </remarks>
         [Description(@"Miss")]
         [Order(5)]
-        Miss = 64,
+        Miss,
 
         [Description(@"Meh")]
         [Order(4)]
@@ -58,7 +58,7 @@ namespace osu.Game.Rulesets.Scoring
         /// Indicates small tick miss.
         /// </summary>
         [Order(11)]
-        SmallTickMiss = 128,
+        SmallTickMiss,
 
         /// <summary>
         /// Indicates a small tick hit.
@@ -71,7 +71,7 @@ namespace osu.Game.Rulesets.Scoring
         /// Indicates a large tick miss.
         /// </summary>
         [Order(10)]
-        LargeTickMiss = 192,
+        LargeTickMiss,
 
         /// <summary>
         /// Indicates a large tick hit.
@@ -85,20 +85,20 @@ namespace osu.Game.Rulesets.Scoring
         /// </summary>
         [Description("S Bonus")]
         [Order(9)]
-        SmallBonus = 254,
+        SmallBonus,
 
         /// <summary>
         /// Indicates a large bonus.
         /// </summary>
         [Description("L Bonus")]
         [Order(8)]
-        LargeBonus = 320,
+        LargeBonus,
 
         /// <summary>
         /// Indicates a miss that should be ignored for scoring purposes.
         /// </summary>
         [Order(13)]
-        IgnoreMiss = 384,
+        IgnoreMiss,
 
         /// <summary>
         /// Indicates a hit that should be ignored for scoring purposes.

osu.Game/Rulesets/UI/FrameStabilityContainer.cs

@@ -2,7 +2,10 @@
 // See the LICENCE file in the repository root for full licence text.
 
 using System;
+using System.Collections.Generic;
+using System.Linq;
 using osu.Framework.Allocation;
+using osu.Framework.Bindables;
 using osu.Framework.Graphics;
 using osu.Framework.Graphics.Containers;
 using osu.Framework.Timing;
@@ -59,7 +62,7 @@ namespace osu.Game.Rulesets.UI
         {
             if (clock != null)
             {
-                stabilityGameplayClock.ParentGameplayClock = parentGameplayClock = clock;
+                parentGameplayClock = stabilityGameplayClock.ParentGameplayClock = clock;
                 GameplayClock.IsPaused.BindTo(clock.IsPaused);
             }
         }
@@ -215,7 +218,9 @@ namespace osu.Game.Rulesets.UI
 
         private class StabilityGameplayClock : GameplayClock
         {
-            public IFrameBasedClock ParentGameplayClock;
+            public GameplayClock ParentGameplayClock;
+
+            public override IEnumerable<Bindable<double>> NonGameplayAdjustments => ParentGameplayClock?.NonGameplayAdjustments ?? Enumerable.Empty<Bindable<double>>();
 
             public StabilityGameplayClock(FramedClock underlyingClock)
                 : base(underlyingClock)

osu.Game/Screens/Edit/Components/TimeInfoContainer.cs

@@ -3,8 +3,8 @@
 
 using osu.Framework.Graphics;
 using osu.Game.Graphics.Sprites;
-using System;
 using osu.Framework.Allocation;
+using osu.Game.Extensions;
 using osu.Game.Graphics;
 
 namespace osu.Game.Screens.Edit.Components
@@ -35,9 +35,7 @@ namespace osu.Game.Screens.Edit.Components
         protected override void Update()
         {
             base.Update();
-
+            trackTimer.Text = editorClock.CurrentTime.ToEditorFormattedString();
-            var timespan = TimeSpan.FromMilliseconds(editorClock.CurrentTime);
-            trackTimer.Text = $"{(timespan < TimeSpan.Zero ? "-" : string.Empty)}{timespan:mm\\:ss\\:fff}";
         }
     }
 }

osu.Game/Screens/Edit/Components/Timelines/Summary/Parts/ControlPointPart.cs

@@ -1,70 +1,50 @@
 // Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
 // See the LICENCE file in the repository root for full licence text.
 
+using System.Collections.Specialized;
 using System.Linq;
-using osu.Framework.Allocation;
+using osu.Framework.Bindables;
-using osu.Framework.Extensions.IEnumerableExtensions;
 using osu.Game.Beatmaps;
 using osu.Game.Beatmaps.ControlPoints;
-using osu.Game.Graphics;
-using osu.Game.Screens.Edit.Components.Timelines.Summary.Visualisations;
 
 namespace osu.Game.Screens.Edit.Components.Timelines.Summary.Parts
 {
     /// <summary>
     /// The part of the timeline that displays the control points.
     /// </summary>
-    public class ControlPointPart : TimelinePart
+    public class ControlPointPart : TimelinePart<GroupVisualisation>
     {
+        private IBindableList<ControlPointGroup> controlPointGroups;
+
         protected override void LoadBeatmap(WorkingBeatmap beatmap)
         {
             base.LoadBeatmap(beatmap);
 
-            ControlPointInfo cpi = beatmap.Beatmap.ControlPointInfo;
+            controlPointGroups = beatmap.Beatmap.ControlPointInfo.Groups.GetBoundCopy();
-
+            controlPointGroups.BindCollectionChanged((sender, args) =>
-            cpi.TimingPoints.ForEach(addTimingPoint);
-
-            // Consider all non-timing points as the same type
-            cpi.SamplePoints.Select(c => (ControlPoint)c)
-               .Concat(cpi.EffectPoints)
-               .Concat(cpi.DifficultyPoints)
-               .Distinct()
-               // Non-timing points should not be added where there are timing points
-               .Where(c => cpi.TimingPointAt(c.Time).Time != c.Time)
-               .ForEach(addNonTimingPoint);
-        }
-
-        private void addTimingPoint(ControlPoint controlPoint) => Add(new TimingPointVisualisation(controlPoint));
-        private void addNonTimingPoint(ControlPoint controlPoint) => Add(new NonTimingPointVisualisation(controlPoint));
-
-        private class TimingPointVisualisation : ControlPointVisualisation
-        {
-            public TimingPointVisualisation(ControlPoint controlPoint)
-                : base(controlPoint)
             {
-            }
+                switch (args.Action)
+                {
+                    case NotifyCollectionChangedAction.Reset:
+                        Clear();
+                        break;
 
-            [BackgroundDependencyLoader]
+                    case NotifyCollectionChangedAction.Add:
-            private void load(OsuColour colours) => Colour = colours.YellowDark;
+                        foreach (var group in args.NewItems.OfType<ControlPointGroup>())
-        }
+                            Add(new GroupVisualisation(group));
+                        break;
 
-        private class NonTimingPointVisualisation : ControlPointVisualisation
+                    case NotifyCollectionChangedAction.Remove:
-        {
+                        foreach (var group in args.OldItems.OfType<ControlPointGroup>())
-            public NonTimingPointVisualisation(ControlPoint controlPoint)
+                        {
-                : base(controlPoint)
+                            var matching = Children.SingleOrDefault(gv => gv.Group == group);
-            {
-            }
 
-            [BackgroundDependencyLoader]
+                            matching?.Expire();
-            private void load(OsuColour colours) => Colour = colours.Green;
+                        }
-        }
 
-        private abstract class ControlPointVisualisation : PointVisualisation
+                        break;
-        {
+                }
-            protected ControlPointVisualisation(ControlPoint controlPoint)
+            }, true);
-                : base(controlPoint.Time)
-            {
-            }
         }
     }
 }

osu.Game/Screens/Edit/Components/Timelines/Summary/Parts/GroupVisualisation.cs

@@ -0,0 +1,46 @@
+// 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.Game.Beatmaps.ControlPoints;
+using osu.Game.Graphics;
+using osu.Game.Screens.Edit.Components.Timelines.Summary.Visualisations;
+using osuTK.Graphics;
+
+namespace osu.Game.Screens.Edit.Components.Timelines.Summary.Parts
+{
+    public class GroupVisualisation : PointVisualisation
+    {
+        public readonly ControlPointGroup Group;
+
+        private BindableList<ControlPoint> controlPoints;
+
+        [Resolved]
+        private OsuColour colours { get; set; }
+
+        public GroupVisualisation(ControlPointGroup group)
+            : base(group.Time)
+        {
+            Group = group;
+        }
+
+        protected override void LoadComplete()
+        {
+            base.LoadComplete();
+
+            controlPoints = (BindableList<ControlPoint>)Group.ControlPoints.GetBoundCopy();
+            controlPoints.BindCollectionChanged((_, __) =>
+            {
+                if (controlPoints.Count == 0)
+                {
+                    Colour = Color4.Transparent;
+                    return;
+                }
+
+                Colour = controlPoints.Any(c => c is TimingControlPoint) ? colours.YellowDark : colours.Green;
+            }, true);
+        }
+    }
+}

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

@@ -14,9 +14,9 @@ namespace osu.Game.Screens.Edit.Compose.Components.Timeline
 {
     public class TimelineArea : Container
     {
-        private readonly Timeline timeline = new Timeline { RelativeSizeAxes = Axes.Both };
+        public readonly Timeline Timeline = new Timeline { RelativeSizeAxes = Axes.Both };
 
-        protected override Container<Drawable> Content => timeline;
+        protected override Container<Drawable> Content => Timeline;
 
         [BackgroundDependencyLoader]
         private void load()
@@ -107,7 +107,7 @@ namespace osu.Game.Screens.Edit.Compose.Components.Timeline
                                     }
                                 }
                             },
-                            timeline
+                            Timeline
                         },
                     },
                     ColumnDimensions = new[]
@@ -121,9 +121,9 @@ namespace osu.Game.Screens.Edit.Compose.Components.Timeline
 
             waveformCheckbox.Current.Value = true;
 
-            timeline.WaveformVisible.BindTo(waveformCheckbox.Current);
+            Timeline.WaveformVisible.BindTo(waveformCheckbox.Current);
         }
 
-        private void changeZoom(float change) => timeline.Zoom += change;
+        private void changeZoom(float change) => Timeline.Zoom += change;
     }
 }

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

@@ -3,18 +3,23 @@
 
 using System;
 using System.Collections.Generic;
+using System.Linq;
 using JetBrains.Annotations;
 using osu.Framework.Allocation;
 using osu.Framework.Bindables;
 using osu.Framework.Graphics;
+using osu.Framework.Graphics.Colour;
 using osu.Framework.Graphics.Containers;
 using osu.Framework.Graphics.Effects;
 using osu.Framework.Graphics.Primitives;
 using osu.Framework.Graphics.Shapes;
 using osu.Framework.Input.Events;
+using osu.Game.Graphics;
+using osu.Game.Graphics.Sprites;
 using osu.Game.Graphics.UserInterface;
 using osu.Game.Rulesets.Edit;
 using osu.Game.Rulesets.Objects;
+using osu.Game.Rulesets.Objects.Drawables;
 using osu.Game.Rulesets.Objects.Types;
 using osuTK;
 using osuTK.Graphics;
@@ -34,11 +39,21 @@ namespace osu.Game.Screens.Edit.Compose.Components.Timeline
 
         private readonly List<Container> shadowComponents = new List<Container>();
 
+        private DrawableHitObject drawableHitObject;
+
+        private Bindable<Color4> comboColour;
+
+        private readonly Container mainComponents;
+
+        private readonly OsuSpriteText comboIndexText;
+
+        private Bindable<int> comboIndex;
+
         private const float thickness = 5;
 
         private const float shadow_radius = 5;
 
-        private const float circle_size = 16;
+        private const float circle_size = 24;
 
         public TimelineHitObjectBlueprint(HitObject hitObject)
             : base(hitObject)
@@ -54,14 +69,28 @@ namespace osu.Game.Screens.Edit.Compose.Components.Timeline
             RelativeSizeAxes = Axes.X;
             AutoSizeAxes = Axes.Y;
 
+            AddRangeInternal(new Drawable[]
+            {
+                mainComponents = new Container
+                {
+                    Anchor = Anchor.CentreLeft,
+                    Origin = Anchor.CentreLeft,
+                    RelativeSizeAxes = Axes.X,
+                    AutoSizeAxes = Axes.Y,
+                },
+                comboIndexText = new OsuSpriteText
+                {
+                    Anchor = Anchor.CentreLeft,
+                    Origin = Anchor.Centre,
+                    Font = OsuFont.Numeric.With(size: circle_size / 2, weight: FontWeight.Black),
+                },
+            });
+
             circle = new Circle
             {
                 Size = new Vector2(circle_size),
                 Anchor = Anchor.CentreLeft,
                 Origin = Anchor.Centre,
-                RelativePositionAxes = Axes.X,
-                AlwaysPresent = true,
-                Colour = Color4.White,
                 EdgeEffect = new EdgeEffectParameters
                 {
                     Type = EdgeEffectType.Shadow,
@@ -77,7 +106,7 @@ namespace osu.Game.Screens.Edit.Compose.Components.Timeline
                 DragBar dragBarUnderlay;
                 Container extensionBar;
 
-                AddRangeInternal(new Drawable[]
+                mainComponents.AddRange(new Drawable[]
                 {
                     extensionBar = new Container
                     {
@@ -117,12 +146,54 @@ namespace osu.Game.Screens.Edit.Compose.Components.Timeline
             }
             else
             {
-                AddInternal(circle);
+                mainComponents.Add(circle);
             }
 
             updateShadows();
         }
 
+        [BackgroundDependencyLoader(true)]
+        private void load(HitObjectComposer composer)
+        {
+            if (composer != null)
+            {
+                // best effort to get the drawable representation for grabbing colour and what not.
+                drawableHitObject = composer.HitObjects.FirstOrDefault(d => d.HitObject == HitObject);
+            }
+        }
+
+        protected override void LoadComplete()
+        {
+            base.LoadComplete();
+
+            if (HitObject is IHasComboInformation comboInfo)
+            {
+                comboIndex = comboInfo.IndexInCurrentComboBindable.GetBoundCopy();
+                comboIndex.BindValueChanged(combo =>
+                {
+                    comboIndexText.Text = (combo.NewValue + 1).ToString();
+                }, true);
+            }
+
+            if (drawableHitObject != null)
+            {
+                comboColour = drawableHitObject.AccentColour.GetBoundCopy();
+                comboColour.BindValueChanged(colour =>
+                {
+                    if (HitObject is IHasDuration)
+                        mainComponents.Colour = ColourInfo.GradientHorizontal(drawableHitObject.AccentColour.Value, Color4.White);
+                    else
+                        mainComponents.Colour = drawableHitObject.AccentColour.Value;
+
+                    var col = mainComponents.Colour.TopLeft.Linear;
+                    float brightness = col.R + col.G + col.B;
+
+                    // decide the combo index colour based on brightness?
+                    comboIndexText.Colour = brightness > 0.5f ? Color4.Black : Color4.White;
+                }, true);
+            }
+        }
+
         protected override void Update()
         {
             base.Update();

osu.Game/Screens/Edit/Compose/ComposeScreen.cs

@@ -1,8 +1,12 @@
 // Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
 // See the LICENCE file in the repository root for full licence text.
 
+using osu.Framework.Allocation;
+using osu.Framework.Bindables;
 using osu.Framework.Graphics;
 using osu.Framework.Graphics.Containers;
+using osu.Game.Beatmaps;
+using osu.Game.Rulesets;
 using osu.Game.Rulesets.Edit;
 using osu.Game.Screens.Edit.Compose.Components.Timeline;
 using osu.Game.Skinning;
@@ -18,11 +22,23 @@ namespace osu.Game.Screens.Edit.Compose
         {
         }
 
-        protected override Drawable CreateMainContent()
+        private Ruleset ruleset;
+
+        protected override IReadOnlyDependencyContainer CreateChildDependencies(IReadOnlyDependencyContainer parent)
         {
-            var ruleset = Beatmap.Value.BeatmapInfo.Ruleset?.CreateInstance();
+            var dependencies = new DependencyContainer(base.CreateChildDependencies(parent));
+
+            ruleset = parent.Get<IBindable<WorkingBeatmap>>().Value.BeatmapInfo.Ruleset?.CreateInstance();
             composer = ruleset?.CreateHitObjectComposer();
 
+            // make the composer available to the timeline and other components in this screen.
+            dependencies.CacheAs(composer);
+
+            return dependencies;
+        }
+
+        protected override Drawable CreateMainContent()
+        {
             if (ruleset == null || composer == null)
                 return new ScreenWhiteBox.UnderConstructionMessage(ruleset == null ? "This beatmap" : $"{ruleset.Description}'s composer");
 

osu.Game/Screens/Edit/Editor.cs

@@ -107,6 +107,7 @@ namespace osu.Game.Screens.Edit
             UpdateClockSource();
 
             dependencies.CacheAs(clock);
+            dependencies.CacheAs<ISamplePlaybackDisabler>(clock);
             AddInternal(clock);
 
             // todo: remove caching of this and consume via editorBeatmap?

osu.Game/Screens/Edit/EditorClock.cs

@@ -7,17 +7,18 @@ using osu.Framework.Audio.Track;
 using osu.Framework.Bindables;
 using osu.Framework.Graphics;
 using osu.Framework.Graphics.Transforms;
-using osu.Framework.Utils;
 using osu.Framework.Timing;
+using osu.Framework.Utils;
 using osu.Game.Beatmaps;
 using osu.Game.Beatmaps.ControlPoints;
+using osu.Game.Screens.Play;
 
 namespace osu.Game.Screens.Edit
 {
     /// <summary>
     /// A decoupled clock which adds editor-specific functionality, such as snapping to a user-defined beat divisor.
     /// </summary>
-    public class EditorClock : Component, IFrameBasedClock, IAdjustableClock, ISourceChangeableClock
+    public class EditorClock : Component, IFrameBasedClock, IAdjustableClock, ISourceChangeableClock, ISamplePlaybackDisabler
     {
         public IBindable<Track> Track => track;
 
@@ -31,6 +32,10 @@ namespace osu.Game.Screens.Edit
 
         private readonly DecoupleableInterpolatingFramedClock underlyingClock;
 
+        public IBindable<bool> SamplePlaybackDisabled => samplePlaybackDisabled;
+
+        private readonly Bindable<bool> samplePlaybackDisabled = new Bindable<bool>();
+
         public EditorClock(WorkingBeatmap beatmap, BindableBeatDivisor beatDivisor)
             : this(beatmap.Beatmap.ControlPointInfo, beatmap.Track.Length, beatDivisor)
         {
@@ -166,11 +171,14 @@ namespace osu.Game.Screens.Edit
 
         public void Stop()
         {
+            samplePlaybackDisabled.Value = true;
             underlyingClock.Stop();
         }
 
         public bool Seek(double position)
         {
+            samplePlaybackDisabled.Value = true;
+
             ClearTransforms();
             return underlyingClock.Seek(position);
         }
@@ -211,8 +219,35 @@ namespace osu.Game.Screens.Edit
 
         private const double transform_time = 300;
 
+        protected override void Update()
+        {
+            base.Update();
+
+            updateSeekingState();
+        }
+
+        private void updateSeekingState()
+        {
+            if (samplePlaybackDisabled.Value)
+            {
+                if (track.Value?.IsRunning != true)
+                {
+                    // seeking in the editor can happen while the track isn't running.
+                    // in this case we always want to expose ourselves as seeking (to avoid sample playback).
+                    return;
+                }
+
+                // we are either running a seek tween or doing an immediate seek.
+                // in the case of an immediate seek the seeking bool will be set to false after one update.
+                // this allows for silencing hit sounds and the likes.
+                samplePlaybackDisabled.Value = Transforms.Any();
+            }
+        }
+
         public void SeekTo(double seekDestination)
         {
+            samplePlaybackDisabled.Value = true;
+
             if (IsRunning)
                 Seek(seekDestination);
             else

osu.Game/Screens/Edit/EditorScreenWithTimeline.cs

@@ -115,10 +115,18 @@ namespace osu.Game.Screens.Edit
                         new TimelineTickDisplay(),
                         CreateTimelineContent(),
                     }
-                }, timelineContainer.Add);
+                }, t =>
+                {
+                    timelineContainer.Add(t);
+                    OnTimelineLoaded(t);
+                });
             });
         }
 
+        protected virtual void OnTimelineLoaded(TimelineArea timelineArea)
+        {
+        }
+
         protected abstract Drawable CreateMainContent();
 
         protected virtual Drawable CreateTimelineContent() => new Container();

osu.Game/Screens/Edit/Timing/ControlPointTable.cs

@@ -11,6 +11,7 @@ using osu.Framework.Graphics.Containers;
 using osu.Framework.Graphics.Shapes;
 using osu.Framework.Input.Events;
 using osu.Game.Beatmaps.ControlPoints;
+using osu.Game.Extensions;
 using osu.Game.Graphics;
 using osu.Game.Graphics.Containers;
 using osu.Game.Graphics.Sprites;
@@ -89,7 +90,7 @@ namespace osu.Game.Screens.Edit.Timing
             },
             new OsuSpriteText
             {
-                Text = $"{group.Time:n0}ms",
+                Text = group.Time.ToEditorFormattedString(),
                 Font = OsuFont.GetFont(size: text_size, weight: FontWeight.Bold)
             },
             new ControlGroupAttributes(group),

osu.Game/Screens/Edit/Timing/TimingScreen.cs

@@ -12,6 +12,8 @@ using osu.Game.Beatmaps.ControlPoints;
 using osu.Game.Graphics;
 using osu.Game.Graphics.Containers;
 using osu.Game.Graphics.UserInterface;
+using osu.Game.Screens.Edit.Components.Timelines.Summary.Parts;
+using osu.Game.Screens.Edit.Compose.Components.Timeline;
 using osuTK;
 
 namespace osu.Game.Screens.Edit.Timing
@@ -29,6 +31,11 @@ namespace osu.Game.Screens.Edit.Timing
         {
         }
 
+        protected override Drawable CreateTimelineContent() => new ControlPointPart
+        {
+            RelativeSizeAxes = Axes.Both,
+        };
+
         protected override Drawable CreateMainContent() => new GridContainer
         {
             RelativeSizeAxes = Axes.Both,
@@ -58,6 +65,12 @@ namespace osu.Game.Screens.Edit.Timing
             });
         }
 
+        protected override void OnTimelineLoaded(TimelineArea timelineArea)
+        {
+            base.OnTimelineLoaded(timelineArea);
+            timelineArea.Timeline.Zoom = timelineArea.Timeline.MinZoom;
+        }
+
         public class ControlPointList : CompositeDrawable
         {
             private OsuButton deleteButton;
@@ -129,11 +142,12 @@ namespace osu.Game.Screens.Edit.Timing
                 selectedGroup.BindValueChanged(selected => { deleteButton.Enabled.Value = selected.NewValue != null; }, true);
 
                 controlGroups = Beatmap.Value.Beatmap.ControlPointInfo.Groups.GetBoundCopy();
-                controlGroups.CollectionChanged += (sender, args) => createContent();
-                createContent();
-            }
 
-            private void createContent() => table.ControlGroups = controlGroups;
+                controlGroups.BindCollectionChanged((sender, args) =>
+                {
+                    table.ControlGroups = controlGroups;
+                }, true);
+            }
 
             private void delete()
             {

osu.Game/Screens/Edit/Timing/TimingSection.cs

@@ -103,12 +103,17 @@ namespace osu.Game.Screens.Edit.Timing
             private const double sane_maximum = 240;
 
             private readonly BindableNumber<double> beatLengthBindable = new TimingControlPoint().BeatLengthBindable;
-            private readonly BindableDouble bpmBindable = new BindableDouble();
+
+            private readonly BindableDouble bpmBindable = new BindableDouble(60000 / TimingControlPoint.DEFAULT_BEAT_LENGTH)
+            {
+                MinValue = sane_minimum,
+                MaxValue = sane_maximum,
+            };
 
             public BPMSlider()
             {
                 beatLengthBindable.BindValueChanged(beatLength => updateCurrent(beatLengthToBpm(beatLength.NewValue)), true);
-                bpmBindable.BindValueChanged(bpm => bpmBindable.Default = beatLengthBindable.Value = beatLengthToBpm(bpm.NewValue));
+                bpmBindable.BindValueChanged(bpm => beatLengthBindable.Value = beatLengthToBpm(bpm.NewValue));
 
                 base.Bindable = bpmBindable;
             }

osu.Game/Screens/Play/GameplayClock.cs

@@ -1,6 +1,8 @@
 // Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
 // See the LICENCE file in the repository root for full licence text.
 
+using System.Collections.Generic;
+using System.Linq;
 using osu.Framework.Bindables;
 using osu.Framework.Timing;
 
@@ -14,12 +16,17 @@ namespace osu.Game.Screens.Play
     /// <see cref="IFrameBasedClock"/>, as this should only be done once to ensure accuracy.
     /// </remarks>
     /// </summary>
-    public class GameplayClock : IFrameBasedClock
+    public class GameplayClock : IFrameBasedClock, ISamplePlaybackDisabler
     {
         private readonly IFrameBasedClock underlyingClock;
 
         public readonly BindableBool IsPaused = new BindableBool();
 
+        /// <summary>
+        /// All adjustments applied to this clock which don't come from gameplay or mods.
+        /// </summary>
+        public virtual IEnumerable<Bindable<double>> NonGameplayAdjustments => Enumerable.Empty<Bindable<double>>();
+
         public GameplayClock(IFrameBasedClock underlyingClock)
         {
             this.underlyingClock = underlyingClock;
@@ -29,6 +36,23 @@ namespace osu.Game.Screens.Play
 
         public double Rate => underlyingClock.Rate;
 
+        /// <summary>
+        /// The rate of gameplay when playback is at 100%.
+        /// This excludes any seeking / user adjustments.
+        /// </summary>
+        public double TrueGameplayRate
+        {
+            get
+            {
+                double baseRate = Rate;
+
+                foreach (var adjustment in NonGameplayAdjustments)
+                    baseRate /= adjustment.Value;
+
+                return baseRate;
+            }
+        }
+
         public bool IsRunning => underlyingClock.IsRunning;
 
         /// <summary>
@@ -48,5 +72,7 @@ namespace osu.Game.Screens.Play
         public FrameTimeInfo TimeInfo => underlyingClock.TimeInfo;
 
         public IClock Source => underlyingClock;
+
+        public IBindable<bool> SamplePlaybackDisabled => IsPaused;
     }
 }

osu.Game/Screens/Play/GameplayClockContainer.cs

@@ -2,6 +2,7 @@
 // See the LICENCE file in the repository root for full licence text.
 
 using System;
+using System.Collections.Generic;
 using System.Diagnostics.CodeAnalysis;
 using System.Linq;
 using System.Threading.Tasks;
@@ -50,8 +51,11 @@ namespace osu.Game.Screens.Play
         /// <summary>
         /// The final clock which is exposed to underlying components.
         /// </summary>
-        [Cached]
+        public GameplayClock GameplayClock => localGameplayClock;
-        public readonly GameplayClock GameplayClock;
+
+        [Cached(typeof(GameplayClock))]
+        [Cached(typeof(ISamplePlaybackDisabler))]
+        private readonly LocalGameplayClock localGameplayClock;
 
         private Bindable<double> userAudioOffset;
 
@@ -79,7 +83,7 @@ namespace osu.Game.Screens.Play
             userOffsetClock = new HardwareCorrectionOffsetClock(platformOffsetClock);
 
             // the clock to be exposed via DI to children.
-            GameplayClock = new GameplayClock(userOffsetClock);
+            localGameplayClock = new LocalGameplayClock(userOffsetClock);
 
             GameplayClock.IsPaused.BindTo(IsPaused);
         }
@@ -200,7 +204,9 @@ namespace osu.Game.Screens.Play
         protected override void Update()
         {
             if (!IsPaused.Value)
+            {
                 userOffsetClock.ProcessFrame();
+            }
 
             base.Update();
         }
@@ -215,6 +221,9 @@ namespace osu.Game.Screens.Play
             track.AddAdjustment(AdjustableProperty.Frequency, pauseFreqAdjust);
             track.AddAdjustment(AdjustableProperty.Tempo, UserPlaybackRate);
 
+            localGameplayClock.MutableNonGameplayAdjustments.Add(pauseFreqAdjust);
+            localGameplayClock.MutableNonGameplayAdjustments.Add(UserPlaybackRate);
+
             speedAdjustmentsApplied = true;
         }
 
@@ -231,9 +240,24 @@ namespace osu.Game.Screens.Play
             track.RemoveAdjustment(AdjustableProperty.Frequency, pauseFreqAdjust);
             track.RemoveAdjustment(AdjustableProperty.Tempo, UserPlaybackRate);
 
+            localGameplayClock.MutableNonGameplayAdjustments.Remove(pauseFreqAdjust);
+            localGameplayClock.MutableNonGameplayAdjustments.Remove(UserPlaybackRate);
+
             speedAdjustmentsApplied = false;
         }
 
+        private class LocalGameplayClock : GameplayClock
+        {
+            public readonly List<Bindable<double>> MutableNonGameplayAdjustments = new List<Bindable<double>>();
+
+            public override IEnumerable<Bindable<double>> NonGameplayAdjustments => MutableNonGameplayAdjustments;
+
+            public LocalGameplayClock(FramedOffsetClock underlyingClock)
+                : base(underlyingClock)
+            {
+            }
+        }
+
         private class HardwareCorrectionOffsetClock : FramedOffsetClock
         {
             // we always want to apply the same real-time offset, so it should be adjusted by the difference in playback rate (from realtime) to achieve this.

osu.Game/Screens/Play/ISamplePlaybackDisabler.cs

@@ -0,0 +1,20 @@
+// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
+// See the LICENCE file in the repository root for full licence text.
+
+using osu.Framework.Bindables;
+using osu.Game.Skinning;
+
+namespace osu.Game.Screens.Play
+{
+    /// <summary>
+    /// Allows a component to disable sample playback dynamically as required.
+    /// Handled by <see cref="PausableSkinnableSound"/>.
+    /// </summary>
+    public interface ISamplePlaybackDisabler
+    {
+        /// <summary>
+        /// Whether sample playback should be disabled (or paused for looping samples).
+        /// </summary>
+        IBindable<bool> SamplePlaybackDisabled { get; }
+    }
+}

osu.Game/Screens/Play/Player.cs

@@ -191,9 +191,25 @@ namespace osu.Game.Screens.Play
 
             dependencies.CacheAs(gameplayBeatmap);
 
-            addUnderlayComponents(GameplayClockContainer);
+            var beatmapSkinProvider = new BeatmapSkinProvidingContainer(Beatmap.Value.Skin);
-            addGameplayComponents(GameplayClockContainer, Beatmap.Value, playableBeatmap);
+
-            addOverlayComponents(GameplayClockContainer, Beatmap.Value);
+            // the beatmapSkinProvider is used as the fallback source here to allow the ruleset-specific skin implementation
+            // full access to all skin sources.
+            var rulesetSkinProvider = new SkinProvidingContainer(ruleset.CreateLegacySkinProvider(beatmapSkinProvider, playableBeatmap));
+
+            // load the skinning hierarchy first.
+            // this is intentionally done in two stages to ensure things are in a loaded state before exposing the ruleset to skin sources.
+            GameplayClockContainer.Add(beatmapSkinProvider.WithChild(rulesetSkinProvider));
+
+            rulesetSkinProvider.AddRange(new[]
+            {
+                // underlay and gameplay should have access the to skinning sources.
+                createUnderlayComponents(),
+                createGameplayComponents(Beatmap.Value, playableBeatmap)
+            });
+
+            // add the overlay components as a separate step as they proxy some elements from the above underlay/gameplay components.
+            GameplayClockContainer.Add(createOverlayComponents(Beatmap.Value));
 
             if (!DrawableRuleset.AllowGameplayOverlays)
             {
@@ -238,45 +254,31 @@ namespace osu.Game.Screens.Play
             breakTracker.IsBreakTime.BindValueChanged(onBreakTimeChanged, true);
         }
 
-        private void addUnderlayComponents(Container target)
+        private Drawable createUnderlayComponents() =>
+            DimmableStoryboard = new DimmableStoryboard(Beatmap.Value.Storyboard) { RelativeSizeAxes = Axes.Both };
+
+        private Drawable createGameplayComponents(WorkingBeatmap working, IBeatmap playableBeatmap) => new ScalingContainer(ScalingMode.Gameplay)
         {
-            target.Add(DimmableStoryboard = new DimmableStoryboard(Beatmap.Value.Storyboard) { RelativeSizeAxes = Axes.Both });
+            Children = new Drawable[]
-        }
-
-        private void addGameplayComponents(Container target, WorkingBeatmap working, IBeatmap playableBeatmap)
-        {
-            var beatmapSkinProvider = new BeatmapSkinProvidingContainer(working.Skin);
-
-            // the beatmapSkinProvider is used as the fallback source here to allow the ruleset-specific skin implementation
-            // full access to all skin sources.
-            var rulesetSkinProvider = new SkinProvidingContainer(ruleset.CreateLegacySkinProvider(beatmapSkinProvider, playableBeatmap));
-
-            // load the skinning hierarchy first.
-            // this is intentionally done in two stages to ensure things are in a loaded state before exposing the ruleset to skin sources.
-            target.Add(new ScalingContainer(ScalingMode.Gameplay)
-                .WithChild(beatmapSkinProvider
-                    .WithChild(target = rulesetSkinProvider)));
-
-            target.AddRange(new Drawable[]
             {
-                DrawableRuleset,
+                DrawableRuleset.With(r =>
+                    r.FrameStableComponents.Children = new Drawable[]
+                    {
+                        ScoreProcessor,
+                        HealthProcessor,
+                        breakTracker = new BreakTracker(DrawableRuleset.GameplayStartTime, ScoreProcessor)
+                        {
+                            Breaks = working.Beatmap.Breaks
+                        }
+                    }),
                 new ComboEffects(ScoreProcessor)
-            });
+            }
+        };
 
-            DrawableRuleset.FrameStableComponents.AddRange(new Drawable[]
+        private Drawable createOverlayComponents(WorkingBeatmap working) => new Container
-            {
-                ScoreProcessor,
-                HealthProcessor,
-                breakTracker = new BreakTracker(DrawableRuleset.GameplayStartTime, ScoreProcessor)
-                {
-                    Breaks = working.Beatmap.Breaks
-                }
-            });
-        }
-
-        private void addOverlayComponents(Container target, WorkingBeatmap working)
         {
-            target.AddRange(new[]
+            RelativeSizeAxes = Axes.Both,
+            Children = new[]
             {
                 DimmableStoryboard.OverlayLayerContainer.CreateProxy(),
                 BreakOverlay = new BreakOverlay(working.Beatmap.BeatmapInfo.LetterboxInBreaks, ScoreProcessor)
@@ -342,8 +344,8 @@ namespace osu.Game.Screens.Play
                     },
                 },
                 failAnimation = new FailAnimation(DrawableRuleset) { OnComplete = onFailComplete, },
-            });
+            }
-        }
+        };
 
         private void onBreakTimeChanged(ValueChangedEvent<bool> isBreakTime)
         {

osu.Game/Skinning/PausableSkinnableSound.cs

@@ -0,0 +1,66 @@
+// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
+// See the LICENCE file in the repository root for full licence text.
+
+using System.Collections.Generic;
+using osu.Framework.Allocation;
+using osu.Framework.Bindables;
+using osu.Game.Audio;
+using osu.Game.Screens.Play;
+
+namespace osu.Game.Skinning
+{
+    public class PausableSkinnableSound : SkinnableSound
+    {
+        protected bool RequestedPlaying { get; private set; }
+
+        public PausableSkinnableSound(ISampleInfo hitSamples)
+            : base(hitSamples)
+        {
+        }
+
+        public PausableSkinnableSound(IEnumerable<ISampleInfo> hitSamples)
+            : base(hitSamples)
+        {
+        }
+
+        private readonly IBindable<bool> samplePlaybackDisabled = new Bindable<bool>();
+
+        [BackgroundDependencyLoader(true)]
+        private void load(ISamplePlaybackDisabler samplePlaybackDisabler)
+        {
+            // if in a gameplay context, pause sample playback when gameplay is paused.
+            if (samplePlaybackDisabler != null)
+            {
+                samplePlaybackDisabled.BindTo(samplePlaybackDisabler.SamplePlaybackDisabled);
+                samplePlaybackDisabled.BindValueChanged(disabled =>
+                {
+                    if (RequestedPlaying)
+                    {
+                        if (disabled.NewValue)
+                            base.Stop();
+                        // it's not easy to know if a sample has finished playing (to end).
+                        // to keep things simple only resume playing looping samples.
+                        else if (Looping)
+                            base.Play();
+                    }
+                });
+            }
+        }
+
+        public override void Play()
+        {
+            RequestedPlaying = true;
+
+            if (samplePlaybackDisabled.Value)
+                return;
+
+            base.Play();
+        }
+
+        public override void Stop()
+        {
+            RequestedPlaying = false;
+            base.Stop();
+        }
+    }
+}

osu.Game/Skinning/SkinnableSound.cs

@@ -11,7 +11,6 @@ using osu.Framework.Extensions.IEnumerableExtensions;
 using osu.Framework.Graphics.Audio;
 using osu.Framework.Graphics.Containers;
 using osu.Game.Audio;
-using osu.Game.Screens.Play;
 
 namespace osu.Game.Skinning
 {
@@ -22,8 +21,6 @@ namespace osu.Game.Skinning
         [Resolved]
         private ISampleStore samples { get; set; }
 
-        private bool requestedPlaying;
-
         public override bool RemoveWhenNotAlive => false;
         public override bool RemoveCompletedTransforms => false;
 
@@ -37,7 +34,7 @@ namespace osu.Game.Skinning
         /// </remarks>
         protected bool PlayWhenZeroVolume => Looping;
 
-        private readonly AudioContainer<DrawableSample> samplesContainer;
+        protected readonly AudioContainer<DrawableSample> SamplesContainer;
 
         public SkinnableSound(ISampleInfo hitSamples)
             : this(new[] { hitSamples })
@@ -47,28 +44,7 @@ namespace osu.Game.Skinning
         public SkinnableSound(IEnumerable<ISampleInfo> hitSamples)
         {
             this.hitSamples = hitSamples.ToArray();
-            InternalChild = samplesContainer = new AudioContainer<DrawableSample>();
+            InternalChild = SamplesContainer = new AudioContainer<DrawableSample>();
-        }
-
-        private Bindable<bool> gameplayClockPaused;
-
-        [BackgroundDependencyLoader(true)]
-        private void load(GameplayClock gameplayClock)
-        {
-            // if in a gameplay context, pause sample playback when gameplay is paused.
-            gameplayClockPaused = gameplayClock?.IsPaused.GetBoundCopy();
-            gameplayClockPaused?.BindValueChanged(paused =>
-            {
-                if (requestedPlaying)
-                {
-                    if (paused.NewValue)
-                        stop();
-                    // it's not easy to know if a sample has finished playing (to end).
-                    // to keep things simple only resume playing looping samples.
-                    else if (Looping)
-                        play();
-                }
-            });
         }
 
         private bool looping;
@@ -82,34 +58,22 @@ namespace osu.Game.Skinning
 
                 looping = value;
 
-                samplesContainer.ForEach(c => c.Looping = looping);
+                SamplesContainer.ForEach(c => c.Looping = looping);
             }
         }
 
-        public void Play()
+        public virtual void Play()
         {
-            requestedPlaying = true;
+            SamplesContainer.ForEach(c =>
-            play();
-        }
-
-        private void play()
-        {
-            samplesContainer.ForEach(c =>
             {
                 if (PlayWhenZeroVolume || c.AggregateVolume.Value > 0)
                     c.Play();
             });
         }
 
-        public void Stop()
+        public virtual void Stop()
         {
-            requestedPlaying = false;
+            SamplesContainer.ForEach(c => c.Stop());
-            stop();
-        }
-
-        private void stop()
-        {
-            samplesContainer.ForEach(c => c.Stop());
         }
 
         protected override void SkinChanged(ISkinSource skin, bool allowFallback)
@@ -138,33 +102,33 @@ namespace osu.Game.Skinning
                 return ch;
             }).Where(c => c != null);
 
-            samplesContainer.ChildrenEnumerable = channels.Select(c => new DrawableSample(c));
+            SamplesContainer.ChildrenEnumerable = channels.Select(c => new DrawableSample(c));
 
             // Start playback internally for the new samples if the previous ones were playing beforehand.
             if (wasPlaying)
-                play();
+                Play();
         }
 
         #region Re-expose AudioContainer
 
-        public BindableNumber<double> Volume => samplesContainer.Volume;
+        public BindableNumber<double> Volume => SamplesContainer.Volume;
 
-        public BindableNumber<double> Balance => samplesContainer.Balance;
+        public BindableNumber<double> Balance => SamplesContainer.Balance;
 
-        public BindableNumber<double> Frequency => samplesContainer.Frequency;
+        public BindableNumber<double> Frequency => SamplesContainer.Frequency;
 
-        public BindableNumber<double> Tempo => samplesContainer.Tempo;
+        public BindableNumber<double> Tempo => SamplesContainer.Tempo;
 
         public void AddAdjustment(AdjustableProperty type, BindableNumber<double> adjustBindable)
-            => samplesContainer.AddAdjustment(type, adjustBindable);
+            => SamplesContainer.AddAdjustment(type, adjustBindable);
 
         public void RemoveAdjustment(AdjustableProperty type, BindableNumber<double> adjustBindable)
-            => samplesContainer.RemoveAdjustment(type, adjustBindable);
+            => SamplesContainer.RemoveAdjustment(type, adjustBindable);
 
         public void RemoveAllAdjustments(AdjustableProperty type)
-            => samplesContainer.RemoveAllAdjustments(type);
+            => SamplesContainer.RemoveAllAdjustments(type);
 
-        public bool IsPlaying => samplesContainer.Any(s => s.Playing);
+        public bool IsPlaying => SamplesContainer.Any(s => s.Playing);
 
         #endregion
     }

osu.Game/Storyboards/Drawables/DrawableStoryboardSample.cs

@@ -4,15 +4,13 @@
 using System.Collections.Generic;
 using System.Linq;
 using osu.Framework.Allocation;
-using osu.Framework.Audio.Sample;
 using osu.Framework.Bindables;
-using osu.Framework.Graphics;
-using osu.Game.Beatmaps;
 using osu.Game.Rulesets.Mods;
+using osu.Game.Skinning;
 
 namespace osu.Game.Storyboards.Drawables
 {
-    public class DrawableStoryboardSample : Component
+    public class DrawableStoryboardSample : PausableSkinnableSound
     {
         /// <summary>
         /// The amount of time allowable beyond the start time of the sample, for the sample to start.
@@ -21,38 +19,37 @@ namespace osu.Game.Storyboards.Drawables
 
         private readonly StoryboardSampleInfo sampleInfo;
 
-        protected SampleChannel Channel { get; private set; }
-
         public override bool RemoveWhenNotAlive => false;
 
         public DrawableStoryboardSample(StoryboardSampleInfo sampleInfo)
+            : base(sampleInfo)
         {
             this.sampleInfo = sampleInfo;
             LifetimeStart = sampleInfo.StartTime;
         }
 
-        [BackgroundDependencyLoader]
+        [Resolved]
-        private void load(IBindable<WorkingBeatmap> beatmap, IBindable<IReadOnlyList<Mod>> mods)
+        private IBindable<IReadOnlyList<Mod>> mods { get; set; }
-        {
-            Channel = beatmap.Value.Skin.GetSample(sampleInfo);
-            if (Channel == null)
-                return;
 
-            Channel.Volume.Value = sampleInfo.Volume / 100.0;
+        protected override void SkinChanged(ISkinSource skin, bool allowFallback)
+        {
+            base.SkinChanged(skin, allowFallback);
 
             foreach (var mod in mods.Value.OfType<IApplicableToSample>())
-                mod.ApplyToSample(Channel);
+            {
+                foreach (var sample in SamplesContainer)
+                    mod.ApplyToSample(sample);
+            }
         }
 
         protected override void Update()
         {
             base.Update();
 
-            // TODO: this logic will need to be consolidated with other game samples like hit sounds.
             if (Time.Current < sampleInfo.StartTime)
             {
                 // We've rewound before the start time of the sample
-                Channel?.Stop();
+                Stop();
 
                 // In the case that the user fast-forwards to a point far beyond the start time of the sample,
                 // we want to be able to fall into the if-conditional below (therefore we must not have a life time end)
@@ -63,8 +60,8 @@ namespace osu.Game.Storyboards.Drawables
             {
                 // We've passed the start time of the sample. We only play the sample if we're within an allowable range
                 // from the sample's start, to reduce layering if we've been fast-forwarded far into the future
-                if (Time.Current - sampleInfo.StartTime < allowable_late_start)
+                if (!RequestedPlaying && Time.Current - sampleInfo.StartTime < allowable_late_start)
-                    Channel?.Play();
+                    Play();
 
                 // In the case that the user rewinds to a point far behind the start time of the sample,
                 // we want to be able to fall into the if-conditional above (therefore we must not have a life time start)
@@ -72,13 +69,5 @@ namespace osu.Game.Storyboards.Drawables
                 LifetimeEnd = sampleInfo.StartTime;
             }
         }
-
-        protected override void Dispose(bool isDisposing)
-        {
-            Channel?.Stop();
-            Channel = null;
-
-            base.Dispose(isDisposing);
-        }
     }
 }

osu.Game/Tests/Visual/EditorClockTestScene.cs

@@ -20,6 +20,8 @@ namespace osu.Game.Tests.Visual
         protected readonly BindableBeatDivisor BeatDivisor = new BindableBeatDivisor();
         protected new readonly EditorClock Clock;
 
+        protected virtual bool ScrollUsingMouseWheel => true;
+
         protected EditorClockTestScene()
         {
             Clock = new EditorClock(new ControlPointInfo(), 5000, BeatDivisor) { IsCoupled = false };
@@ -57,6 +59,9 @@ namespace osu.Game.Tests.Visual
 
         protected override bool OnScroll(ScrollEvent e)
         {
+            if (!ScrollUsingMouseWheel)
+                return false;
+
             if (e.ScrollDelta.Y > 0)
                 Clock.SeekBackward(true);
             else

osu.Game/Users/UserListPanel.cs

@@ -26,6 +26,8 @@ namespace osu.Game.Users
         private void load()
         {
             Background.Width = 0.5f;
+            Background.Origin = Anchor.CentreRight;
+            Background.Anchor = Anchor.CentreRight;
             Background.Colour = ColourInfo.GradientHorizontal(Color4.White.Opacity(1), Color4.White.Opacity(0.3f));
         }
 

osu.Game/osu.Game.csproj

@@ -24,7 +24,7 @@
     <PackageReference Include="Microsoft.EntityFrameworkCore.Sqlite" Version="2.2.6" />
     <PackageReference Include="Microsoft.EntityFrameworkCore.Sqlite.Core" Version="2.2.6" />
     <PackageReference Include="Newtonsoft.Json" Version="12.0.3" />
-    <PackageReference Include="ppy.osu.Framework" Version="2020.925.0" />
+    <PackageReference Include="ppy.osu.Framework" Version="2020.930.0" />
     <PackageReference Include="ppy.osu.Game.Resources" Version="2020.904.0" />
     <PackageReference Include="Sentry" Version="2.1.6" />
     <PackageReference Include="SharpCompress" Version="0.26.0" />

osu.iOS.props

@@ -70,7 +70,7 @@
     <Reference Include="System.Net.Http" />
   </ItemGroup>
   <ItemGroup Label="Package References">
-    <PackageReference Include="ppy.osu.Framework.iOS" Version="2020.925.0" />
+    <PackageReference Include="ppy.osu.Framework.iOS" Version="2020.930.0" />
     <PackageReference Include="ppy.osu.Game.Resources" Version="2020.904.0" />
   </ItemGroup>
   <!-- Xamarin.iOS does not automatically handle transitive dependencies from NuGet packages. -->
@@ -80,7 +80,7 @@
     <PackageReference Include="Microsoft.EntityFrameworkCore.Sqlite" Version="2.2.6" />
     <PackageReference Include="Microsoft.EntityFrameworkCore.Sqlite.Core" Version="2.2.6" />
     <PackageReference Include="Newtonsoft.Json" Version="12.0.3" />
-    <PackageReference Include="ppy.osu.Framework" Version="2020.925.0" />
+    <PackageReference Include="ppy.osu.Framework" Version="2020.930.0" />
     <PackageReference Include="SharpCompress" Version="0.26.0" />
     <PackageReference Include="NUnit" Version="3.12.0" />
     <PackageReference Include="SharpRaven" Version="2.4.0" />