Merge branch 'master' into fix-ring-glow-lookup

osu.Game.Rulesets.Mania/Difficulty/ManiaDifficultyCalculator.cs

@@ -11,7 +11,9 @@ using osu.Game.Rulesets.Mania.Beatmaps;
 using osu.Game.Rulesets.Mania.Difficulty.Preprocessing;
 using osu.Game.Rulesets.Mania.Difficulty.Skills;
 using osu.Game.Rulesets.Mania.Mods;
+using osu.Game.Rulesets.Mania.Objects;
 using osu.Game.Rulesets.Mods;
+using osu.Game.Rulesets.Objects;
 
 namespace osu.Game.Rulesets.Mania.Difficulty
 {
@@ -32,12 +34,15 @@ namespace osu.Game.Rulesets.Mania.Difficulty
             if (beatmap.HitObjects.Count == 0)
                 return new ManiaDifficultyAttributes { Mods = mods, Skills = skills };
 
+            HitWindows hitWindows = new ManiaHitWindows();
+            hitWindows.SetDifficulty(beatmap.BeatmapInfo.BaseDifficulty.OverallDifficulty);
+
             return new ManiaDifficultyAttributes
             {
                 StarRating = difficultyValue(skills) * star_scaling_factor,
                 Mods = mods,
                 // Todo: This int cast is temporary to achieve 1:1 results with osu!stable, and should be removed in the future
-                GreatHitWindow = (int)(beatmap.HitObjects.First().HitWindows.Great / 2) / clockRate,
+                GreatHitWindow = (int)(hitWindows.Great / 2) / clockRate,
                 Skills = skills
             };
         }

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

@@ -1,6 +1,7 @@
 // Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
 // See the LICENCE file in the repository root for full licence text.
 
+using System.Diagnostics;
 using System.Linq;
 using osu.Framework.Bindables;
 using osu.Framework.Extensions.IEnumerableExtensions;
@@ -209,6 +210,8 @@ namespace osu.Game.Rulesets.Mania.Objects.Drawables
 
             protected override void CheckForResult(bool userTriggered, double timeOffset)
             {
+                Debug.Assert(HitObject.HitWindows != null);
+
                 // Factor in the release lenience
                 timeOffset /= release_window_lenience;
 

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

@@ -1,6 +1,7 @@
 // Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
 // See the LICENCE file in the repository root for full licence text.
 
+using System.Diagnostics;
 using osu.Framework.Bindables;
 using osu.Framework.Extensions.Color4Extensions;
 using osu.Framework.Graphics;
@@ -52,6 +53,8 @@ namespace osu.Game.Rulesets.Mania.Objects.Drawables
 
         protected override void CheckForResult(bool userTriggered, double timeOffset)
         {
+            Debug.Assert(HitObject.HitWindows != null);
+
             if (!userTriggered)
             {
                 if (!HitObject.HitWindows.CanBeHit(timeOffset))

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

@@ -5,6 +5,7 @@ using osu.Game.Beatmaps;
 using osu.Game.Beatmaps.ControlPoints;
 using osu.Game.Rulesets.Judgements;
 using osu.Game.Rulesets.Mania.Judgements;
+using osu.Game.Rulesets.Objects;
 using osu.Game.Rulesets.Objects.Types;
 
 namespace osu.Game.Rulesets.Mania.Objects
@@ -99,5 +100,7 @@ namespace osu.Game.Rulesets.Mania.Objects
         }
 
         public override Judgement CreateJudgement() => new HoldNoteJudgement();
+
+        protected override HitWindows CreateHitWindows() => null;
     }
 }

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

@@ -3,6 +3,7 @@
 
 using osu.Game.Rulesets.Judgements;
 using osu.Game.Rulesets.Mania.Judgements;
+using osu.Game.Rulesets.Objects;
 
 namespace osu.Game.Rulesets.Mania.Objects
 {
@@ -12,5 +13,7 @@ namespace osu.Game.Rulesets.Mania.Objects
     public class HoldNoteTick : ManiaHitObject
     {
         public override Judgement CreateJudgement() => new HoldNoteTickJudgement();
+
+        protected override HitWindows CreateHitWindows() => null;
     }
 }

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

@@ -7,6 +7,7 @@ using System.Linq;
 using osu.Framework.Extensions;
 using osu.Framework.Graphics;
 using osu.Game.Rulesets.Judgements;
+using osu.Game.Rulesets.Objects;
 using osu.Game.Rulesets.Osu.Objects.Drawables;
 using osu.Game.Rulesets.Scoring;
 
@@ -24,7 +25,7 @@ namespace osu.Game.Rulesets.Osu.Tests
         {
             foreach (HitResult result in Enum.GetValues(typeof(HitResult)).OfType<HitResult>().Skip(1))
                 AddStep("Show " + result.GetDescription(), () => SetContents(() =>
-                    new DrawableOsuJudgement(new JudgementResult(null) { Type = result }, null)
+                    new DrawableOsuJudgement(new JudgementResult(new HitObject(), new Judgement()) { Type = result }, null)
                     {
                         Anchor = Anchor.Centre,
                         Origin = Anchor.Centre,

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

@@ -1,6 +1,7 @@
 // Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
 // See the LICENCE file in the repository root for full licence text.
 
+using System.Diagnostics;
 using osu.Framework.MathUtils;
 using osu.Game.Rulesets.Osu.Objects;
 using osu.Game.Rulesets.Scoring;
@@ -13,8 +14,10 @@ namespace osu.Game.Rulesets.Osu.Tests
         {
             var drawableHitObject = base.CreateDrawableHitCircle(circle, auto);
 
-            Scheduler.AddDelayed(() => drawableHitObject.TriggerJudgement(),
+            Debug.Assert(drawableHitObject.HitObject.HitWindows != null);
-                drawableHitObject.HitObject.StartTime - (drawableHitObject.HitObject.HitWindows.HalfWindowFor(HitResult.Miss) + RNG.Next(0, 300)) - Time.Current);
+
+            double delay = drawableHitObject.HitObject.StartTime - (drawableHitObject.HitObject.HitWindows.HalfWindowFor(HitResult.Miss) + RNG.Next(0, 300)) - Time.Current;
+            Scheduler.AddDelayed(() => drawableHitObject.TriggerJudgement(), delay);
 
             return drawableHitObject;
         }

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

@@ -9,6 +9,7 @@ using osu.Game.Rulesets.Difficulty;
 using osu.Game.Rulesets.Difficulty.Preprocessing;
 using osu.Game.Rulesets.Difficulty.Skills;
 using osu.Game.Rulesets.Mods;
+using osu.Game.Rulesets.Objects;
 using osu.Game.Rulesets.Osu.Difficulty.Preprocessing;
 using osu.Game.Rulesets.Osu.Difficulty.Skills;
 using osu.Game.Rulesets.Osu.Mods;
@@ -34,8 +35,11 @@ namespace osu.Game.Rulesets.Osu.Difficulty
             double speedRating = Math.Sqrt(skills[1].DifficultyValue()) * difficulty_multiplier;
             double starRating = aimRating + speedRating + Math.Abs(aimRating - speedRating) / 2;
 
+            HitWindows hitWindows = new OsuHitWindows();
+            hitWindows.SetDifficulty(beatmap.BeatmapInfo.BaseDifficulty.OverallDifficulty);
+
             // Todo: These int casts are temporary to achieve 1:1 results with osu!stable, and should be removed in the future
-            double hitWindowGreat = (int)(beatmap.HitObjects.First().HitWindows.Great / 2) / clockRate;
+            double hitWindowGreat = (int)(hitWindows.Great / 2) / clockRate;
             double preempt = (int)BeatmapDifficulty.DifficultyRange(beatmap.BeatmapInfo.BaseDifficulty.ApproachRate, 1800, 1200, 450) / clockRate;
 
             int maxCombo = beatmap.HitObjects.Count;

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

@@ -2,6 +2,7 @@
 // See the LICENCE file in the repository root for full licence text.
 
 using osu.Game.Rulesets.Judgements;
+using osu.Game.Rulesets.Objects;
 
 namespace osu.Game.Rulesets.Osu.Judgements
 {
@@ -9,8 +10,8 @@ namespace osu.Game.Rulesets.Osu.Judgements
     {
         public ComboResult ComboType;
 
-        public OsuJudgementResult(Judgement judgement)
+        public OsuJudgementResult(HitObject hitObject, Judgement judgement)
-            : base(judgement)
+            : base(hitObject, judgement)
         {
         }
     }

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

@@ -3,6 +3,7 @@
 
 using System;
 using System.Collections.Generic;
+using System.Diagnostics;
 using System.Linq;
 using osu.Game.Rulesets.Mods;
 using osu.Game.Rulesets.Objects.Types;
@@ -38,7 +39,12 @@ namespace osu.Game.Rulesets.Osu.Mods
                 if ((osuHit.HitObject is IHasEndTime hasEnd && time > hasEnd.EndTime) || osuHit.IsHit)
                     continue;
 
-                requiresHit |= osuHit is DrawableHitCircle && osuHit.IsHovered && osuHit.HitObject.HitWindows.CanBeHit(relativetime);
+                if (osuHit is DrawableHitCircle && osuHit.IsHovered)
+                {
+                    Debug.Assert(osuHit.HitObject.HitWindows != null);
+                    requiresHit |= osuHit.HitObject.HitWindows.CanBeHit(relativetime);
+                }
+
                 requiresHold |= (osuHit is DrawableSlider slider && (slider.Ball.IsHovered || osuHit.IsHovered)) || osuHit is DrawableSpinner;
             }
 

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

@@ -2,6 +2,7 @@
 // See the LICENCE file in the repository root for full licence text.
 
 using System;
+using System.Diagnostics;
 using osu.Framework.Allocation;
 using osu.Framework.Bindables;
 using osu.Framework.Graphics;
@@ -87,6 +88,8 @@ namespace osu.Game.Rulesets.Osu.Objects.Drawables
 
         protected override void CheckForResult(bool userTriggered, double timeOffset)
         {
+            Debug.Assert(HitObject.HitWindows != null);
+
             if (!userTriggered)
             {
                 if (!HitObject.HitWindows.CanBeHit(timeOffset))
@@ -119,6 +122,8 @@ namespace osu.Game.Rulesets.Osu.Objects.Drawables
 
         protected override void UpdateStateTransforms(ArmedState state)
         {
+            Debug.Assert(HitObject.HitWindows != null);
+
             switch (state)
             {
                 case ArmedState.Idle:

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

@@ -41,6 +41,6 @@ namespace osu.Game.Rulesets.Osu.Objects.Drawables
 
         protected virtual void Shake(double maximumLength) => shakeContainer.Shake(maximumLength);
 
-        protected override JudgementResult CreateResult(Judgement judgement) => new OsuJudgementResult(judgement);
+        protected override JudgementResult CreateResult(Judgement judgement) => new OsuJudgementResult(HitObject, judgement);
     }
 }

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

@@ -229,5 +229,7 @@ namespace osu.Game.Rulesets.Osu.Objects
             nodeIndex < NodeSamples.Count ? NodeSamples[nodeIndex] : Samples;
 
         public override Judgement CreateJudgement() => new OsuJudgement();
+
+        protected override HitWindows CreateHitWindows() => null;
     }
 }

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

@@ -4,6 +4,7 @@
 using osu.Game.Beatmaps;
 using osu.Game.Beatmaps.ControlPoints;
 using osu.Game.Rulesets.Judgements;
+using osu.Game.Rulesets.Objects;
 using osu.Game.Rulesets.Osu.Judgements;
 
 namespace osu.Game.Rulesets.Osu.Objects
@@ -30,5 +31,7 @@ namespace osu.Game.Rulesets.Osu.Objects
         }
 
         public override Judgement CreateJudgement() => new OsuJudgement();
+
+        protected override HitWindows CreateHitWindows() => null;
     }
 }

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

@@ -6,6 +6,7 @@ using osu.Game.Beatmaps;
 using osu.Game.Rulesets.Objects.Types;
 using osu.Game.Beatmaps.ControlPoints;
 using osu.Game.Rulesets.Judgements;
+using osu.Game.Rulesets.Objects;
 using osu.Game.Rulesets.Osu.Judgements;
 
 namespace osu.Game.Rulesets.Osu.Objects
@@ -31,5 +32,7 @@ namespace osu.Game.Rulesets.Osu.Objects
         }
 
         public override Judgement CreateJudgement() => new OsuJudgement();
+
+        protected override HitWindows CreateHitWindows() => null;
     }
 }

osu.Game.Rulesets.Osu/Replays/OsuAutoGenerator.cs

@@ -6,9 +6,11 @@ using osu.Framework.MathUtils;
 using osu.Game.Beatmaps;
 using osu.Game.Rulesets.Osu.Objects;
 using System;
+using System.Diagnostics;
 using System.Linq;
 using osu.Framework.Graphics;
 using osu.Game.Replays;
+using osu.Game.Rulesets.Objects;
 using osu.Game.Rulesets.Objects.Types;
 using osu.Game.Rulesets.Osu.Beatmaps;
 using osu.Game.Rulesets.Scoring;
@@ -36,6 +38,8 @@ namespace osu.Game.Rulesets.Osu.Replays
         /// </summary>
         private readonly double reactionTime;
 
+        private readonly HitWindows defaultHitWindows;
+
         /// <summary>
         /// What easing to use when moving between hitobjects
         /// </summary>
@@ -50,6 +54,9 @@ namespace osu.Game.Rulesets.Osu.Replays
         {
             // Already superhuman, but still somewhat realistic
             reactionTime = ApplyModsToRate(100);
+
+            defaultHitWindows = new OsuHitWindows();
+            defaultHitWindows.SetDifficulty(Beatmap.BeatmapInfo.BaseDifficulty.OverallDifficulty);
         }
 
         #endregion
@@ -91,21 +98,49 @@ namespace osu.Game.Rulesets.Osu.Replays
         {
             double endTime = (prev as IHasEndTime)?.EndTime ?? prev.StartTime;
 
+            HitWindows hitWindows = null;
+
+            switch (h)
+            {
+                case HitCircle hitCircle:
+                    hitWindows = hitCircle.HitWindows;
+                    break;
+
+                case Slider slider:
+                    hitWindows = slider.TailCircle.HitWindows;
+                    break;
+
+                case Spinner _:
+                    hitWindows = defaultHitWindows;
+                    break;
+            }
+
+            Debug.Assert(hitWindows != null);
+
             // Make the cursor stay at a hitObject as long as possible (mainly for autopilot).
-            if (h.StartTime - h.HitWindows.HalfWindowFor(HitResult.Miss) > endTime + h.HitWindows.HalfWindowFor(HitResult.Meh) + 50)
+            if (h.StartTime - hitWindows.HalfWindowFor(HitResult.Miss) > endTime + hitWindows.HalfWindowFor(HitResult.Meh) + 50)
             {
-                if (!(prev is Spinner) && h.StartTime - endTime < 1000) AddFrameToReplay(new OsuReplayFrame(endTime + h.HitWindows.HalfWindowFor(HitResult.Meh), new Vector2(prev.StackedEndPosition.X, prev.StackedEndPosition.Y)));
+                if (!(prev is Spinner) && h.StartTime - endTime < 1000)
-                if (!(h is Spinner)) AddFrameToReplay(new OsuReplayFrame(h.StartTime - h.HitWindows.HalfWindowFor(HitResult.Miss), new Vector2(h.StackedPosition.X, h.StackedPosition.Y)));
+                    AddFrameToReplay(new OsuReplayFrame(endTime + hitWindows.HalfWindowFor(HitResult.Meh), new Vector2(prev.StackedEndPosition.X, prev.StackedEndPosition.Y)));
+
+                if (!(h is Spinner))
+                    AddFrameToReplay(new OsuReplayFrame(h.StartTime - hitWindows.HalfWindowFor(HitResult.Miss), new Vector2(h.StackedPosition.X, h.StackedPosition.Y)));
             }
-            else if (h.StartTime - h.HitWindows.HalfWindowFor(HitResult.Meh) > endTime + h.HitWindows.HalfWindowFor(HitResult.Meh) + 50)
+            else if (h.StartTime - hitWindows.HalfWindowFor(HitResult.Meh) > endTime + hitWindows.HalfWindowFor(HitResult.Meh) + 50)
             {
-                if (!(prev is Spinner) && h.StartTime - endTime < 1000) AddFrameToReplay(new OsuReplayFrame(endTime + h.HitWindows.HalfWindowFor(HitResult.Meh), new Vector2(prev.StackedEndPosition.X, prev.StackedEndPosition.Y)));
+                if (!(prev is Spinner) && h.StartTime - endTime < 1000)
-                if (!(h is Spinner)) AddFrameToReplay(new OsuReplayFrame(h.StartTime - h.HitWindows.HalfWindowFor(HitResult.Meh), new Vector2(h.StackedPosition.X, h.StackedPosition.Y)));
+                    AddFrameToReplay(new OsuReplayFrame(endTime + hitWindows.HalfWindowFor(HitResult.Meh), new Vector2(prev.StackedEndPosition.X, prev.StackedEndPosition.Y)));
+
+                if (!(h is Spinner))
+                    AddFrameToReplay(new OsuReplayFrame(h.StartTime - hitWindows.HalfWindowFor(HitResult.Meh), new Vector2(h.StackedPosition.X, h.StackedPosition.Y)));
             }
-            else if (h.StartTime - h.HitWindows.HalfWindowFor(HitResult.Good) > endTime + h.HitWindows.HalfWindowFor(HitResult.Good) + 50)
+            else if (h.StartTime - hitWindows.HalfWindowFor(HitResult.Good) > endTime + hitWindows.HalfWindowFor(HitResult.Good) + 50)
             {
-                if (!(prev is Spinner) && h.StartTime - endTime < 1000) AddFrameToReplay(new OsuReplayFrame(endTime + h.HitWindows.HalfWindowFor(HitResult.Good), new Vector2(prev.StackedEndPosition.X, prev.StackedEndPosition.Y)));
+                if (!(prev is Spinner) && h.StartTime - endTime < 1000)
-                if (!(h is Spinner)) AddFrameToReplay(new OsuReplayFrame(h.StartTime - h.HitWindows.HalfWindowFor(HitResult.Good), new Vector2(h.StackedPosition.X, h.StackedPosition.Y)));
+                    AddFrameToReplay(new OsuReplayFrame(endTime + hitWindows.HalfWindowFor(HitResult.Good), new Vector2(prev.StackedEndPosition.X, prev.StackedEndPosition.Y)));
+
+                if (!(h is Spinner))
+                    AddFrameToReplay(new OsuReplayFrame(h.StartTime - hitWindows.HalfWindowFor(HitResult.Good), new Vector2(h.StackedPosition.X, h.StackedPosition.Y)));
             }
         }
 

osu.Game.Rulesets.Osu/Scoring/OsuScoreProcessor.cs

@@ -71,7 +71,7 @@ namespace osu.Game.Rulesets.Osu.Scoring
             }
         }
 
-        protected override JudgementResult CreateResult(Judgement judgement) => new OsuJudgementResult(judgement);
+        protected override JudgementResult CreateResult(HitObject hitObject, Judgement judgement) => new OsuJudgementResult(hitObject, judgement);
 
         public override HitWindows CreateHitWindows() => new OsuHitWindows();
     }

osu.Game.Rulesets.Taiko.Tests/TestSceneTaikoPlayfield.cs

@@ -144,7 +144,7 @@ namespace osu.Game.Rulesets.Taiko.Tests
 
             var h = new DrawableTestHit(hit) { X = RNG.NextSingle(hitResult == HitResult.Good ? -0.1f : -0.05f, hitResult == HitResult.Good ? 0.1f : 0.05f) };
 
-            ((TaikoPlayfield)drawableRuleset.Playfield).OnNewResult(h, new JudgementResult(new TaikoJudgement()) { Type = hitResult });
+            ((TaikoPlayfield)drawableRuleset.Playfield).OnNewResult(h, new JudgementResult(new HitObject(), new TaikoJudgement()) { Type = hitResult });
         }
 
         private void addStrongHitJudgement(bool kiai)
@@ -159,13 +159,13 @@ namespace osu.Game.Rulesets.Taiko.Tests
 
             var h = new DrawableTestHit(hit) { X = RNG.NextSingle(hitResult == HitResult.Good ? -0.1f : -0.05f, hitResult == HitResult.Good ? 0.1f : 0.05f) };
 
-            ((TaikoPlayfield)drawableRuleset.Playfield).OnNewResult(h, new JudgementResult(new TaikoJudgement()) { Type = hitResult });
+            ((TaikoPlayfield)drawableRuleset.Playfield).OnNewResult(h, new JudgementResult(new HitObject(), new TaikoJudgement()) { Type = hitResult });
-            ((TaikoPlayfield)drawableRuleset.Playfield).OnNewResult(new TestStrongNestedHit(h), new JudgementResult(new TaikoStrongJudgement()) { Type = HitResult.Great });
+            ((TaikoPlayfield)drawableRuleset.Playfield).OnNewResult(new TestStrongNestedHit(h), new JudgementResult(new HitObject(), new TaikoStrongJudgement()) { Type = HitResult.Great });
         }
 
         private void addMissJudgement()
         {
-            ((TaikoPlayfield)drawableRuleset.Playfield).OnNewResult(new DrawableTestHit(new Hit()), new JudgementResult(new TaikoJudgement()) { Type = HitResult.Miss });
+            ((TaikoPlayfield)drawableRuleset.Playfield).OnNewResult(new DrawableTestHit(new Hit()), new JudgementResult(new HitObject(), new TaikoJudgement()) { Type = HitResult.Miss });
         }
 
         private void addBarLine(bool major, double delay = scroll_time)

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

@@ -8,6 +8,7 @@ using osu.Game.Rulesets.Difficulty;
 using osu.Game.Rulesets.Difficulty.Preprocessing;
 using osu.Game.Rulesets.Difficulty.Skills;
 using osu.Game.Rulesets.Mods;
+using osu.Game.Rulesets.Objects;
 using osu.Game.Rulesets.Taiko.Difficulty.Preprocessing;
 using osu.Game.Rulesets.Taiko.Difficulty.Skills;
 using osu.Game.Rulesets.Taiko.Mods;
@@ -29,12 +30,15 @@ namespace osu.Game.Rulesets.Taiko.Difficulty
             if (beatmap.HitObjects.Count == 0)
                 return new TaikoDifficultyAttributes { Mods = mods, Skills = skills };
 
+            HitWindows hitWindows = new TaikoHitWindows();
+            hitWindows.SetDifficulty(beatmap.BeatmapInfo.BaseDifficulty.OverallDifficulty);
+
             return new TaikoDifficultyAttributes
             {
                 StarRating = skills.Single().DifficultyValue() * star_scaling_factor,
                 Mods = mods,
                 // Todo: This int cast is temporary to achieve 1:1 results with osu!stable, and should be removed in the future
-                GreatHitWindow = (int)(beatmap.HitObjects.First().HitWindows.Great / 2) / clockRate,
+                GreatHitWindow = (int)(hitWindows.Great / 2) / clockRate,
                 MaxCombo = beatmap.HitObjects.Count(h => h is Hit),
                 Skills = skills
             };

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

@@ -2,6 +2,7 @@
 // See the LICENCE file in the repository root for full licence text.
 
 using System;
+using System.Diagnostics;
 using System.Linq;
 using osu.Framework.Graphics;
 using osu.Game.Rulesets.Objects.Drawables;
@@ -34,6 +35,8 @@ namespace osu.Game.Rulesets.Taiko.Objects.Drawables
 
         protected override void CheckForResult(bool userTriggered, double timeOffset)
         {
+            Debug.Assert(HitObject.HitWindows != null);
+
             if (!userTriggered)
             {
                 if (!HitObject.HitWindows.CanBeHit(timeOffset))
@@ -94,6 +97,8 @@ namespace osu.Game.Rulesets.Taiko.Objects.Drawables
 
         protected override void UpdateStateTransforms(ArmedState state)
         {
+            Debug.Assert(HitObject.HitWindows != null);
+
             switch (state)
             {
                 case ArmedState.Idle:

osu.Game.Rulesets.Taiko/Objects/DrumRoll.cs

@@ -6,6 +6,7 @@ using System;
 using osu.Game.Beatmaps;
 using osu.Game.Beatmaps.ControlPoints;
 using osu.Game.Rulesets.Judgements;
+using osu.Game.Rulesets.Objects;
 using osu.Game.Rulesets.Taiko.Judgements;
 
 namespace osu.Game.Rulesets.Taiko.Objects
@@ -86,5 +87,7 @@ namespace osu.Game.Rulesets.Taiko.Objects
         }
 
         public override Judgement CreateJudgement() => new TaikoDrumRollJudgement();
+
+        protected override HitWindows CreateHitWindows() => null;
     }
 }

osu.Game.Rulesets.Taiko/Objects/DrumRollTick.cs

@@ -2,6 +2,7 @@
 // See the LICENCE file in the repository root for full licence text.
 
 using osu.Game.Rulesets.Judgements;
+using osu.Game.Rulesets.Objects;
 using osu.Game.Rulesets.Taiko.Judgements;
 
 namespace osu.Game.Rulesets.Taiko.Objects
@@ -25,5 +26,7 @@ namespace osu.Game.Rulesets.Taiko.Objects
         public double HitWindow => TickSpacing / 2;
 
         public override Judgement CreateJudgement() => new TaikoDrumRollTickJudgement();
+
+        protected override HitWindows CreateHitWindows() => null;
     }
 }

osu.Game.Rulesets.Taiko/Objects/StrongHitObject.cs

@@ -2,6 +2,7 @@
 // See the LICENCE file in the repository root for full licence text.
 
 using osu.Game.Rulesets.Judgements;
+using osu.Game.Rulesets.Objects;
 using osu.Game.Rulesets.Taiko.Judgements;
 
 namespace osu.Game.Rulesets.Taiko.Objects
@@ -9,5 +10,7 @@ namespace osu.Game.Rulesets.Taiko.Objects
     public class StrongHitObject : TaikoHitObject
     {
         public override Judgement CreateJudgement() => new TaikoStrongJudgement();
+
+        protected override HitWindows CreateHitWindows() => null;
     }
 }

osu.Game.Rulesets.Taiko/Objects/Swell.cs

@@ -4,6 +4,7 @@
 using System;
 using osu.Game.Rulesets.Objects.Types;
 using osu.Game.Rulesets.Judgements;
+using osu.Game.Rulesets.Objects;
 using osu.Game.Rulesets.Taiko.Judgements;
 
 namespace osu.Game.Rulesets.Taiko.Objects
@@ -33,5 +34,7 @@ namespace osu.Game.Rulesets.Taiko.Objects
         }
 
         public override Judgement CreateJudgement() => new TaikoSwellJudgement();
+
+        protected override HitWindows CreateHitWindows() => null;
     }
 }

osu.Game.Rulesets.Taiko/Objects/SwellTick.cs

@@ -2,6 +2,7 @@
 // See the LICENCE file in the repository root for full licence text.
 
 using osu.Game.Rulesets.Judgements;
+using osu.Game.Rulesets.Objects;
 using osu.Game.Rulesets.Taiko.Judgements;
 
 namespace osu.Game.Rulesets.Taiko.Objects
@@ -9,5 +10,7 @@ namespace osu.Game.Rulesets.Taiko.Objects
     public class SwellTick : TaikoHitObject
     {
         public override Judgement CreateJudgement() => new TaikoSwellTickJudgement();
+
+        protected override HitWindows CreateHitWindows() => null;
     }
 }

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

@@ -106,7 +106,7 @@ namespace osu.Game.Tests.Visual.Gameplay
 
         private void newJudgement(double offset = 0)
         {
-            var judgement = new JudgementResult(new Judgement())
+            var judgement = new JudgementResult(new HitObject(), new Judgement())
             {
                 TimeOffset = offset == 0 ? RNG.Next(-150, 150) : offset,
                 Type = HitResult.Perfect,

osu.Game/Overlays/Chat/Selection/ChannelListItem.cs

@@ -121,10 +121,11 @@ namespace osu.Game.Overlays.Chat.Selection
                             {
                                 new SpriteIcon
                                 {
+                                    Anchor = Anchor.CentreLeft,
+                                    Origin = Anchor.CentreLeft,
                                     Icon = FontAwesome.Solid.User,
                                     Size = new Vector2(text_size - 2),
                                     Shadow = false,
-                                    Margin = new MarginPadding { Top = 1 },
                                 },
                                 new OsuSpriteText
                                 {

osu.Game/Overlays/Direct/DirectPanel.cs

@@ -190,10 +190,11 @@ namespace osu.Game.Overlays.Direct
                     text = new OsuSpriteText { Font = OsuFont.GetFont(weight: FontWeight.SemiBold, italics: true) },
                     new SpriteIcon
                     {
+                        Anchor = Anchor.CentreLeft,
+                        Origin = Anchor.CentreLeft,
                         Icon = icon,
                         Shadow = true,
                         Size = new Vector2(14),
-                        Margin = new MarginPadding { Top = 1 },
                     },
                 };
 

osu.Game/Overlays/Music/PlaylistItem.cs

@@ -161,12 +161,12 @@ namespace osu.Game.Overlays.Music
         {
             public PlaylistItemHandle()
             {
-                Anchor = Anchor.TopLeft;
+                Anchor = Anchor.CentreLeft;
-                Origin = Anchor.TopLeft;
+                Origin = Anchor.CentreLeft;
                 Size = new Vector2(12);
                 Icon = FontAwesome.Solid.Bars;
                 Alpha = 0f;
-                Margin = new MarginPadding { Left = 5, Top = 2 };
+                Margin = new MarginPadding { Left = 5 };
             }
 
             public override bool HandlePositionalInput => IsPresent;

osu.Game/Rulesets/Judgements/JudgementResult.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 JetBrains.Annotations;
+using osu.Game.Rulesets.Objects;
 using osu.Game.Rulesets.Objects.Drawables;
 using osu.Game.Rulesets.Scoring;
 
@@ -16,9 +18,16 @@ namespace osu.Game.Rulesets.Judgements
         /// </summary>
         public HitResult Type;
 
+        /// <summary>
+        /// The <see cref="HitObject"/> which was judged.
+        /// </summary>
+        [NotNull]
+        public readonly HitObject HitObject;
+
         /// <summary>
         /// The <see cref="Judgement"/> which this <see cref="JudgementResult"/> applies for.
         /// </summary>
+        [NotNull]
         public readonly Judgement Judgement;
 
         /// <summary>
@@ -55,9 +64,11 @@ namespace osu.Game.Rulesets.Judgements
         /// <summary>
         /// Creates a new <see cref="JudgementResult"/>.
         /// </summary>
+        /// <param name="hitObject">The <see cref="HitObject"/> which was judged.</param>
         /// <param name="judgement">The <see cref="Judgement"/> to refer to for scoring information.</param>
-        public JudgementResult(Judgement judgement)
+        public JudgementResult([NotNull] HitObject hitObject, [NotNull] Judgement judgement)
         {
+            HitObject = hitObject;
             Judgement = judgement;
         }
 

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

@@ -410,7 +410,7 @@ namespace osu.Game.Rulesets.Objects.Drawables
         /// Creates the <see cref="JudgementResult"/> that represents the scoring result for this <see cref="DrawableHitObject"/>.
         /// </summary>
         /// <param name="judgement">The <see cref="Judgement"/> that provides the scoring information.</param>
-        protected virtual JudgementResult CreateResult(Judgement judgement) => new JudgementResult(judgement);
+        protected virtual JudgementResult CreateResult(Judgement judgement) => new JudgementResult(HitObject, judgement);
     }
 
     public abstract class DrawableHitObject<TObject> : DrawableHitObject

osu.Game/Rulesets/Objects/HitObject.cs

@@ -2,6 +2,7 @@
 // See the LICENCE file in the repository root for full licence text.
 
 using System.Collections.Generic;
+using JetBrains.Annotations;
 using Newtonsoft.Json;
 using osu.Game.Audio;
 using osu.Game.Beatmaps;
@@ -56,6 +57,7 @@ namespace osu.Game.Rulesets.Objects
         /// <summary>
         /// The hit windows for this <see cref="HitObject"/>.
         /// </summary>
+        [CanBeNull]
         public HitWindows HitWindows { get; set; }
 
         private readonly List<HitObject> nestedHitObjects = new List<HitObject>();
@@ -111,11 +113,12 @@ namespace osu.Game.Rulesets.Objects
 
         /// <summary>
         /// Creates the <see cref="HitWindows"/> for this <see cref="HitObject"/>.
-        /// This can be null to indicate that the <see cref="HitObject"/> has no <see cref="HitWindows"/>.
+        /// This can be null to indicate that the <see cref="HitObject"/> has no <see cref="HitWindows"/> and timing errors should not be displayed to the user.
         /// <para>
         /// This will only be invoked if <see cref="HitWindows"/> hasn't been set externally (e.g. from a <see cref="BeatmapConverter{T}"/>.
         /// </para>
         /// </summary>
+        [CanBeNull]
         protected virtual HitWindows CreateHitWindows() => new HitWindows();
     }
 }

osu.Game/Rulesets/Scoring/ScoreProcessor.cs

@@ -275,7 +275,7 @@ namespace osu.Game.Rulesets.Scoring
                 if (judgement == null)
                     return;
 
-                var result = CreateResult(judgement);
+                var result = CreateResult(obj, judgement);
                 if (result == null)
                     throw new InvalidOperationException($"{GetType().ReadableName()} must provide a {nameof(JudgementResult)} through {nameof(CreateResult)}.");
 
@@ -441,8 +441,9 @@ namespace osu.Game.Rulesets.Scoring
         /// <summary>
         /// Creates the <see cref="JudgementResult"/> that represents the scoring result for a <see cref="HitObject"/>.
         /// </summary>
+        /// <param name="hitObject">The <see cref="HitObject"/> which was judged.</param>
         /// <param name="judgement">The <see cref="Judgement"/> that provides the scoring information.</param>
-        protected virtual JudgementResult CreateResult(Judgement judgement) => new JudgementResult(judgement);
+        protected virtual JudgementResult CreateResult(HitObject hitObject, Judgement judgement) => new JudgementResult(hitObject, judgement);
     }
 
     public enum ScoringMode

osu.Game/Rulesets/UI/DrawableRuleset.cs

@@ -13,6 +13,7 @@ using System;
 using System.Collections.Generic;
 using System.Linq;
 using System.Threading;
+using JetBrains.Annotations;
 using osu.Framework.Bindables;
 using osu.Framework.Graphics.Cursor;
 using osu.Framework.Input;
@@ -390,6 +391,28 @@ namespace osu.Game.Rulesets.UI
         /// </summary>
         public ResumeOverlay ResumeOverlay { get; protected set; }
 
+        /// <summary>
+        /// Returns first available <see cref="HitWindows"/> provided by a <see cref="HitObject"/>.
+        /// </summary>
+        [CanBeNull]
+        public HitWindows FirstAvailableHitWindows
+        {
+            get
+            {
+                foreach (var h in Objects)
+                {
+                    if (h.HitWindows != null)
+                        return h.HitWindows;
+
+                    foreach (var n in h.NestedHitObjects)
+                        if (n.HitWindows != null)
+                            return n.HitWindows;
+                }
+
+                return null;
+            }
+        }
+
         protected virtual ResumeOverlay CreateResumeOverlay() => null;
 
         /// <summary>

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

@@ -49,6 +49,9 @@ namespace osu.Game.Screens.Play.HUD
 
         private void onNewJudgement(JudgementResult result)
         {
+            if (result.HitObject.HitWindows == null)
+                return;
+
             foreach (var c in Children)
                 c.OnNewJudgement(result);
         }

osu.Game/Screens/Play/HUDOverlay.cs

@@ -3,7 +3,6 @@
 
 using System;
 using System.Collections.Generic;
-using System.Linq;
 using osu.Framework.Allocation;
 using osu.Framework.Bindables;
 using osu.Framework.Graphics;
@@ -259,7 +258,7 @@ namespace osu.Game.Screens.Play
             Margin = new MarginPadding { Top = 20, Right = 10 },
         };
 
-        protected virtual HitErrorDisplay CreateHitErrorDisplayOverlay() => new HitErrorDisplay(scoreProcessor, drawableRuleset.Objects.FirstOrDefault()?.HitWindows);
+        protected virtual HitErrorDisplay CreateHitErrorDisplayOverlay() => new HitErrorDisplay(scoreProcessor, drawableRuleset.FirstAvailableHitWindows);
 
         protected virtual PlayerSettingsOverlay CreatePlayerSettingsOverlay() => new PlayerSettingsOverlay();