Merge remote-tracking branch 'upstream/master' into tgi74-hit-shake

.vscode/launch.json

@@ -11,7 +11,11 @@
             ],
             "cwd": "${workspaceRoot}",
             "preLaunchTask": "Build tests (Debug)",
-            "env": {},
+            "linux": {
+                "env": {
+                    "LD_LIBRARY_PATH": "${workspaceRoot}/osu.Game.Tests/bin/Debug/netcoreapp2.1:${env:LD_LIBRARY_PATH}"
+                }
+            },
             "console": "internalConsole"
         },
         {
@@ -24,7 +28,11 @@
             ],
             "cwd": "${workspaceRoot}",
             "preLaunchTask": "Build tests (Release)",
-            "env": {},
+            "linux": {
+                "env": {
+                    "LD_LIBRARY_PATH": "${workspaceRoot}/osu.Game.Tests/bin/Release/netcoreapp2.1:${env:LD_LIBRARY_PATH}"
+                }
+            },
             "console": "internalConsole"
         },
         {
@@ -37,7 +45,11 @@
             ],
             "cwd": "${workspaceRoot}",
             "preLaunchTask": "Build osu! (Debug)",
-            "env": {},
+            "linux": {
+                "env": {
+                    "LD_LIBRARY_PATH": "${workspaceRoot}/osu.Desktop/bin/Debug/netcoreapp2.1:${env:LD_LIBRARY_PATH}"
+                }
+            },
             "console": "internalConsole"
         },
         {
@@ -50,7 +62,11 @@
             ],
             "cwd": "${workspaceRoot}",
             "preLaunchTask": "Build osu! (Release)",
-            "env": {},
+            "linux": {
+                "env": {
+                    "LD_LIBRARY_PATH": "${workspaceRoot}/osu.Desktop/bin/Release/netcoreapp2.1:${env:LD_LIBRARY_PATH}"
+                }
+            },
             "console": "internalConsole"
         }
     ]

osu.Game.Rulesets.Catch.Tests/TestCaseFruitObjects.cs

@@ -55,7 +55,7 @@ namespace osu.Game.Rulesets.Catch.Tests
         private DrawableFruit createDrawable(int index)
         {
             Fruit fruit = index == 5
-                ? new BananaShower.Banana
+                ? new Banana
                 {
                     StartTime = 1000000000000,
                     IndexInBeatmap = index,

osu.Game.Rulesets.Catch/Beatmaps/CatchBeatmapProcessor.cs

@@ -15,6 +15,8 @@ namespace osu.Game.Rulesets.Catch.Beatmaps
 {
     public class CatchBeatmapProcessor : BeatmapProcessor
     {
+        public const int RNG_SEED = 1337;
+
         public CatchBeatmapProcessor(IBeatmap beatmap)
             : base(beatmap)
         {
@@ -22,12 +24,12 @@ namespace osu.Game.Rulesets.Catch.Beatmaps
 
         public override void PostProcess()
         {
+            base.PostProcess();
+
             applyPositionOffsets();
 
             initialiseHyperDash((List<CatchHitObject>)Beatmap.HitObjects);
 
-            base.PostProcess();
-
             int index = 0;
             foreach (var obj in Beatmap.HitObjects.OfType<CatchHitObject>())
             {
@@ -37,8 +39,6 @@ namespace osu.Game.Rulesets.Catch.Beatmaps
             }
         }
 
-        public const int RNG_SEED = 1337;
-
         private void applyPositionOffsets()
         {
             var rng = new FastRandom(RNG_SEED);
@@ -49,9 +49,9 @@ namespace osu.Game.Rulesets.Catch.Beatmaps
                 switch (obj)
                 {
                     case BananaShower bananaShower:
-                        foreach (var nested in bananaShower.NestedHitObjects)
+                        foreach (var banana in bananaShower.NestedHitObjects.OfType<Banana>())
                         {
-                            ((BananaShower.Banana)nested).X = (float)rng.NextDouble();
+                            banana.X = (float)rng.NextDouble();
                             rng.Next(); // osu!stable retrieved a random banana type
                             rng.Next(); // osu!stable retrieved a random banana rotation
                             rng.Next(); // osu!stable retrieved a random banana colour

osu.Game.Rulesets.Catch/Judgements/CatchBananaJudgement.cs

@@ -0,0 +1,36 @@
+// Copyright (c) 2007-2018 ppy Pty Ltd <contact@ppy.sh>.
+// Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
+
+using osu.Game.Rulesets.Scoring;
+
+namespace osu.Game.Rulesets.Catch.Judgements
+{
+    public class CatchBananaJudgement : CatchJudgement
+    {
+        public override bool AffectsCombo => false;
+
+        public override bool ShouldExplode => true;
+
+        protected override int NumericResultFor(HitResult result)
+        {
+            switch (result)
+            {
+                default:
+                    return 0;
+                case HitResult.Perfect:
+                    return 1100;
+            }
+        }
+
+        protected override float HealthIncreaseFor(HitResult result)
+        {
+            switch (result)
+            {
+                default:
+                    return 0;
+                case HitResult.Perfect:
+                    return 8;
+            }
+        }
+    }
+}

osu.Game.Rulesets.Catch/Judgements/CatchDropletJudgement.cs

@@ -0,0 +1,32 @@
+// Copyright (c) 2007-2018 ppy Pty Ltd <contact@ppy.sh>.
+// Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
+
+using osu.Game.Rulesets.Scoring;
+
+namespace osu.Game.Rulesets.Catch.Judgements
+{
+    public class CatchDropletJudgement : CatchJudgement
+    {
+        protected override int NumericResultFor(HitResult result)
+        {
+            switch (result)
+            {
+                default:
+                    return 0;
+                case HitResult.Perfect:
+                    return 30;
+            }
+        }
+
+        protected override float HealthIncreaseFor(HitResult result)
+        {
+            switch (result)
+            {
+                default:
+                    return 0;
+                case HitResult.Perfect:
+                    return 7;
+            }
+        }
+    }
+}

osu.Game.Rulesets.Catch/Judgements/CatchJudgement.cs

@@ -2,11 +2,51 @@
 // Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
 
 using osu.Game.Rulesets.Judgements;
+using osu.Game.Rulesets.Objects.Types;
+using osu.Game.Rulesets.Scoring;
 
 namespace osu.Game.Rulesets.Catch.Judgements
 {
     public class CatchJudgement : Judgement
     {
-        // todo: wangs
+        public override HitResult MaxResult => HitResult.Perfect;
+
+        protected override int NumericResultFor(HitResult result)
+        {
+            switch (result)
+            {
+                default:
+                    return 0;
+                case HitResult.Perfect:
+                    return 300;
+            }
+        }
+
+        /// <summary>
+        /// The base health increase for the result achieved.
+        /// </summary>
+        public float HealthIncrease => HealthIncreaseFor(Result);
+
+        /// <summary>
+        /// Whether fruit on the platter should explode or drop.
+        /// Note that this is only checked if the owning object is also <see cref="IHasComboInformation.LastInCombo" />
+        /// </summary>
+        public virtual bool ShouldExplode => IsHit;
+
+        /// <summary>
+        /// Convert a <see cref="HitResult"/> to a base health increase.
+        /// </summary>
+        /// <param name="result">The value to convert.</param>
+        /// <returns>The base health increase.</returns>
+        protected virtual float HealthIncreaseFor(HitResult result)
+        {
+            switch (result)
+            {
+                default:
+                    return 0;
+                case HitResult.Perfect:
+                    return 10.2f;
+            }
+        }
     }
 }

osu.Game.Rulesets.Catch/Judgements/CatchTinyDropletJudgement.cs

@@ -0,0 +1,34 @@
+// Copyright (c) 2007-2018 ppy Pty Ltd <contact@ppy.sh>.
+// Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
+
+using osu.Game.Rulesets.Scoring;
+
+namespace osu.Game.Rulesets.Catch.Judgements
+{
+    public class CatchTinyDropletJudgement : CatchJudgement
+    {
+        public override bool AffectsCombo => false;
+
+        protected override int NumericResultFor(HitResult result)
+        {
+            switch (result)
+            {
+                default:
+                    return 0;
+                case HitResult.Perfect:
+                    return 10;
+            }
+        }
+
+        protected override float HealthIncreaseFor(HitResult result)
+        {
+            switch (result)
+            {
+                default:
+                    return 0;
+                case HitResult.Perfect:
+                    return 4;
+            }
+        }
+    }
+}

osu.Game.Rulesets.Catch/Objects/Banana.cs

@@ -0,0 +1,10 @@
+// Copyright (c) 2007-2018 ppy Pty Ltd <contact@ppy.sh>.
+// Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
+
+namespace osu.Game.Rulesets.Catch.Objects
+{
+    public class Banana : Fruit
+    {
+        public override FruitVisualRepresentation VisualRepresentation => FruitVisualRepresentation.Banana;
+    }
+}

osu.Game.Rulesets.Catch/Objects/BananaShower.cs

@@ -37,10 +37,5 @@ namespace osu.Game.Rulesets.Catch.Objects
         public double EndTime => StartTime + Duration;
 
         public double Duration { get; set; }
-
-        public class Banana : Fruit
-        {
-            public override FruitVisualRepresentation VisualRepresentation => FruitVisualRepresentation.Banana;
-        }
     }
 }

osu.Game.Rulesets.Catch/Objects/Drawable/DrawableBanana.cs

@@ -0,0 +1,17 @@
+// Copyright (c) 2007-2018 ppy Pty Ltd <contact@ppy.sh>.
+// Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
+
+using osu.Game.Rulesets.Catch.Judgements;
+
+namespace osu.Game.Rulesets.Catch.Objects.Drawable
+{
+    public class DrawableBanana : DrawableFruit
+    {
+        public DrawableBanana(Banana h)
+            : base(h)
+        {
+        }
+
+        protected override CatchJudgement CreateJudgement() => new CatchBananaJudgement();
+    }
+}

osu.Game.Rulesets.Catch/Objects/Drawable/DrawableBananaShower.cs

@@ -5,9 +5,7 @@ using System;
 using System.Linq;
 using osu.Framework.Graphics;
 using osu.Framework.Graphics.Containers;
-using osu.Game.Rulesets.Judgements;
 using osu.Game.Rulesets.Objects.Drawables;
-using osu.Game.Rulesets.Scoring;
 
 namespace osu.Game.Rulesets.Catch.Objects.Drawable
 {
@@ -24,15 +22,11 @@ namespace osu.Game.Rulesets.Catch.Objects.Drawable
 
             InternalChild = bananaContainer = new Container { RelativeSizeAxes = Axes.Both };
 
-            foreach (var b in s.NestedHitObjects.Cast<BananaShower.Banana>())
+            foreach (var b in s.NestedHitObjects.Cast<Banana>())
                 AddNested(getVisualRepresentation?.Invoke(b));
         }
 
-        protected override void CheckForJudgements(bool userTriggered, double timeOffset)
+        protected override bool ProvidesJudgement => false;
-        {
-            if (timeOffset >= 0)
-                AddJudgement(new Judgement { Result = NestedHitObjects.Cast<DrawableCatchHitObject>().Any(n => n.Judgements.Any(j => j.IsHit)) ? HitResult.Perfect : HitResult.Miss });
-        }
 
         protected override void AddNested(DrawableHitObject h)
         {

osu.Game.Rulesets.Catch/Objects/Drawable/DrawableCatchHitObject.cs

@@ -2,14 +2,14 @@
 // Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
 
 using System;
+using OpenTK;
+using OpenTK.Graphics;
 using osu.Framework.Graphics;
-using osu.Game.Rulesets.Judgements;
+using osu.Game.Rulesets.Catch.Judgements;
 using osu.Game.Rulesets.Objects.Drawables;
 using osu.Game.Rulesets.Objects.Types;
-using OpenTK;
 using osu.Game.Rulesets.Scoring;
 using osu.Game.Skinning;
-using OpenTK.Graphics;
 
 namespace osu.Game.Rulesets.Catch.Objects.Drawable
 {
@@ -58,8 +58,14 @@ namespace osu.Game.Rulesets.Catch.Objects.Drawable
             if (CheckPosition == null) return;
 
             if (timeOffset >= 0)
-                AddJudgement(new Judgement { Result = CheckPosition.Invoke(HitObject) ? HitResult.Perfect : HitResult.Miss });
+            {
+                var judgement = CreateJudgement();
+                judgement.Result = CheckPosition.Invoke(HitObject) ? HitResult.Perfect : HitResult.Miss;
+                AddJudgement(judgement);
             }
+        }
+
+        protected virtual CatchJudgement CreateJudgement() => new CatchJudgement();
 
         protected override void SkinChanged(ISkinSource skin, bool allowFallback)
         {

osu.Game.Rulesets.Catch/Objects/Drawable/DrawableDroplet.cs

@@ -6,6 +6,7 @@ using osu.Framework.Graphics;
 using osu.Game.Rulesets.Catch.Objects.Drawable.Pieces;
 using OpenTK;
 using OpenTK.Graphics;
+using osu.Game.Rulesets.Catch.Judgements;
 
 namespace osu.Game.Rulesets.Catch.Objects.Drawable
 {
@@ -23,6 +24,8 @@ namespace osu.Game.Rulesets.Catch.Objects.Drawable
             Masking = false;
         }
 
+        protected override CatchJudgement CreateJudgement() => new CatchDropletJudgement();
+
         [BackgroundDependencyLoader]
         private void load()
         {

osu.Game.Rulesets.Catch/Objects/Drawable/DrawableTinyDroplet.cs

@@ -0,0 +1,19 @@
+// Copyright (c) 2007-2018 ppy Pty Ltd <contact@ppy.sh>.
+// Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
+
+using OpenTK;
+using osu.Game.Rulesets.Catch.Judgements;
+
+namespace osu.Game.Rulesets.Catch.Objects.Drawable
+{
+    public class DrawableTinyDroplet : DrawableDroplet
+    {
+        public DrawableTinyDroplet(Droplet h)
+            : base(h)
+        {
+            Size = new Vector2((float)CatchHitObject.OBJECT_RADIUS) / 8;
+        }
+
+        protected override CatchJudgement CreateJudgement() => new CatchTinyDropletJudgement();
+    }
+}

osu.Game.Rulesets.Catch/Replays/CatchAutoGenerator.cs

@@ -56,7 +56,7 @@ namespace osu.Game.Rulesets.Catch.Replays
                     return;
                 }
 
-                if (h is BananaShower.Banana)
+                if (h is Banana)
                 {
                     // auto bananas unrealistically warp to catch 100% combo.
                     Replay.Frames.Add(new CatchReplayFrame(h.StartTime, h.X));
@@ -105,7 +105,7 @@ namespace osu.Game.Rulesets.Catch.Replays
                 {
                     switch (nestedObj)
                     {
-                        case BananaShower.Banana _:
+                        case Banana _:
                         case TinyDroplet _:
                         case Droplet _:
                         case Fruit _:

osu.Game.Rulesets.Catch/Scoring/CatchScoreProcessor.cs

@@ -1,10 +1,12 @@
 // Copyright (c) 2007-2018 ppy Pty Ltd <contact@ppy.sh>.
 // Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
 
+using System;
 using System.Linq;
 using osu.Game.Beatmaps;
 using osu.Game.Rulesets.Catch.Judgements;
 using osu.Game.Rulesets.Catch.Objects;
+using osu.Game.Rulesets.Judgements;
 using osu.Game.Rulesets.Scoring;
 using osu.Game.Rulesets.UI;
 
@@ -17,28 +19,57 @@ namespace osu.Game.Rulesets.Catch.Scoring
         {
         }
 
+        private float hpDrainRate;
+
         protected override void SimulateAutoplay(Beatmap<CatchHitObject> beatmap)
         {
+            hpDrainRate = beatmap.BeatmapInfo.BaseDifficulty.DrainRate;
+
             foreach (var obj in beatmap.HitObjects)
             {
                 switch (obj)
                 {
                     case JuiceStream stream:
-                        foreach (var _ in stream.NestedHitObjects.Cast<CatchHitObject>())
+                        foreach (var nestedObject in stream.NestedHitObjects)
+                            switch (nestedObject)
+                            {
+                                case TinyDroplet _:
+                                    AddJudgement(new CatchTinyDropletJudgement { Result = HitResult.Perfect });
+                                    break;
+                                case Droplet _:
+                                    AddJudgement(new CatchDropletJudgement { Result = HitResult.Perfect });
+                                    break;
+                                case Fruit _:
                                     AddJudgement(new CatchJudgement { Result = HitResult.Perfect });
                                     break;
+                            }
+                        break;
                     case BananaShower shower:
                         foreach (var _ in shower.NestedHitObjects.Cast<CatchHitObject>())
-                            AddJudgement(new CatchJudgement { Result = HitResult.Perfect });
+                            AddJudgement(new CatchBananaJudgement { Result = HitResult.Perfect });
-                        AddJudgement(new CatchJudgement { Result = HitResult.Perfect });
                         break;
                     case Fruit _:
                         AddJudgement(new CatchJudgement { Result = HitResult.Perfect });
                         break;
                 }
             }
+        }
 
-            base.SimulateAutoplay(beatmap);
+        private const double harshness = 0.01;
+
+        protected override void OnNewJudgement(Judgement judgement)
+        {
+            base.OnNewJudgement(judgement);
+
+            if (judgement.Result == HitResult.Miss)
+            {
+                if (!judgement.IsBonus)
+                    Health.Value -= hpDrainRate * (harshness * 2);
+                return;
+            }
+
+            if (judgement is CatchJudgement catchJudgement)
+                Health.Value += Math.Max(catchJudgement.HealthIncrease - hpDrainRate, 0) * harshness;
         }
     }
 }

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

@@ -38,14 +38,16 @@ namespace osu.Game.Rulesets.Catch.UI
         {
             switch (h)
             {
+                case Banana banana:
+                    return new DrawableBanana(banana);
                 case Fruit fruit:
                     return new DrawableFruit(fruit);
                 case JuiceStream stream:
                     return new DrawableJuiceStream(stream, GetVisualRepresentation);
-                case BananaShower banana:
+                case BananaShower shower:
-                    return new DrawableBananaShower(banana, GetVisualRepresentation);
+                    return new DrawableBananaShower(shower, GetVisualRepresentation);
                 case TinyDroplet tiny:
-                    return new DrawableDroplet(tiny) { Scale = new Vector2(0.5f) };
+                    return new DrawableTinyDroplet(tiny);
                 case Droplet droplet:
                     return new DrawableDroplet(droplet);
             }

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

@@ -11,6 +11,7 @@ using osu.Framework.Graphics.Textures;
 using osu.Framework.Input.Bindings;
 using osu.Framework.MathUtils;
 using osu.Game.Beatmaps;
+using osu.Game.Rulesets.Catch.Judgements;
 using osu.Game.Rulesets.Catch.Objects;
 using osu.Game.Rulesets.Catch.Objects.Drawable;
 using osu.Game.Rulesets.Catch.Replays;
@@ -78,12 +79,11 @@ namespace osu.Game.Rulesets.Catch.UI
 
                 if (!fruit.StaysOnPlate)
                     runAfterLoaded(() => MovableCatcher.Explode(caughtFruit));
-
             }
 
             if (fruit.HitObject.LastInCombo)
             {
-                if (judgement.IsHit)
+                if (((CatchJudgement)judgement).ShouldExplode)
                     runAfterLoaded(() => MovableCatcher.Explode());
                 else
                     MovableCatcher.Drop();

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

@@ -69,7 +69,7 @@ namespace osu.Game.Rulesets.Mania.Tests
                 var obj = new Note { Column = i, StartTime = Time.Current + 2000 };
                 obj.ApplyDefaults(new ControlPointInfo(), new BeatmapDifficulty());
 
-                columns[i].Add(new DrawableNote(obj, columns[i].Action));
+                columns[i].Add(new DrawableNote(obj));
             }
         }
 
@@ -80,7 +80,7 @@ namespace osu.Game.Rulesets.Mania.Tests
                 var obj = new HoldNote { Column = i, StartTime = Time.Current + 2000, Duration = 500 };
                 obj.ApplyDefaults(new ControlPointInfo(), new BeatmapDifficulty());
 
-                columns[i].Add(new DrawableHoldNote(obj, columns[i].Action));
+                columns[i].Add(new DrawableHoldNote(obj));
             }
         }
 
@@ -92,7 +92,7 @@ namespace osu.Game.Rulesets.Mania.Tests
                 Origin = Anchor.Centre,
                 Height = 0.85f,
                 AccentColour = Color4.OrangeRed,
-                Action = action,
+                Action = { Value = action },
                 VisibleTimeRange = { Value = 2000 }
             };
 

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

@@ -6,6 +6,7 @@ using System.Collections.Generic;
 using System.Linq;
 using NUnit.Framework;
 using osu.Framework.Allocation;
+using osu.Framework.Configuration;
 using osu.Framework.Extensions.Color4Extensions;
 using osu.Framework.Graphics;
 using osu.Framework.Graphics.Containers;
@@ -63,7 +64,7 @@ namespace osu.Game.Rulesets.Mania.Tests
                 AutoSizeAxes = Axes.Both,
                 Child = new NoteContainer(direction, $"note, scrolling {direction.ToString().ToLower()}")
                 {
-                    Child = new DrawableNote(note, ManiaAction.Key1) { AccentColour = Color4.OrangeRed }
+                    Child = new DrawableNote(note) { AccentColour = Color4.OrangeRed }
                 }
             };
         }
@@ -78,7 +79,7 @@ namespace osu.Game.Rulesets.Mania.Tests
                 AutoSizeAxes = Axes.Both,
                 Child = new NoteContainer(direction, $"hold note, scrolling {direction.ToString().ToLower()}")
                 {
-                    Child = new DrawableHoldNote(note, ManiaAction.Key1)
+                    Child = new DrawableHoldNote(note)
                     {
                         RelativeSizeAxes = Axes.Both,
                         AccentColour = Color4.OrangeRed,
@@ -136,6 +137,13 @@ namespace osu.Game.Rulesets.Mania.Tests
                 };
             }
 
+            protected override IReadOnlyDependencyContainer CreateLocalDependencies(IReadOnlyDependencyContainer parent)
+            {
+                var dependencies = new DependencyContainer(base.CreateLocalDependencies(parent));
+                dependencies.CacheAs<IBindable<ManiaAction>>(new Bindable<ManiaAction>());
+                return dependencies;
+            }
+
             protected override void Update()
             {
                 base.Update();
@@ -145,9 +153,6 @@ namespace osu.Game.Rulesets.Mania.Tests
                     if (!(obj.HitObject is IHasEndTime endTime))
                         continue;
 
-                    if (!obj.HasNestedHitObjects)
-                        continue;
-
                     foreach (var nested in obj.NestedHitObjects)
                     {
                         double finalPosition = (nested.HitObject.StartTime - obj.HitObject.StartTime) / endTime.Duration;

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

@@ -65,7 +65,7 @@ namespace osu.Game.Rulesets.Mania.Tests
                     var obj = new Note { Column = i, StartTime = Time.Current + 2000 };
                     obj.ApplyDefaults(new ControlPointInfo(), new BeatmapDifficulty());
 
-                    stage.Add(new DrawableNote(obj, stage.Columns[i].Action));
+                    stage.Add(new DrawableNote(obj));
                 }
             }
         }
@@ -79,7 +79,7 @@ namespace osu.Game.Rulesets.Mania.Tests
                     var obj = new HoldNote { Column = i, StartTime = Time.Current + 2000, Duration = 500 };
                     obj.ApplyDefaults(new ControlPointInfo(), new BeatmapDifficulty());
 
-                    stage.Add(new DrawableHoldNote(obj, stage.Columns[i].Action));
+                    stage.Add(new DrawableHoldNote(obj));
                 }
             }
         }

osu.Game.Rulesets.Mania/Judgements/HoldNoteJudgement.cs

@@ -8,6 +8,7 @@ namespace osu.Game.Rulesets.Mania.Judgements
     public class HoldNoteJudgement : ManiaJudgement
     {
         public override bool AffectsCombo => false;
+
         protected override int NumericResultFor(HitResult result) => 0;
     }
 }

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

@@ -38,8 +38,8 @@ namespace osu.Game.Rulesets.Mania.Objects.Drawables
 
         private readonly Container<DrawableHoldNoteTick> tickContainer;
 
-        public DrawableHoldNote(HoldNote hitObject, ManiaAction action)
+        public DrawableHoldNote(HoldNote hitObject)
-            : base(hitObject, action)
+            : base(hitObject)
         {
             RelativeSizeAxes = Axes.X;
 
@@ -57,12 +57,12 @@ namespace osu.Game.Rulesets.Mania.Objects.Drawables
                         HoldStartTime = () => holdStartTime
                     })
                 },
-                head = new DrawableHeadNote(this, action)
+                head = new DrawableHeadNote(this)
                 {
                     Anchor = Anchor.TopCentre,
                     Origin = Anchor.TopCentre
                 },
-                tail = new DrawableTailNote(this, action)
+                tail = new DrawableTailNote(this)
                 {
                     Anchor = Anchor.TopCentre,
                     Origin = Anchor.TopCentre
@@ -118,7 +118,7 @@ namespace osu.Game.Rulesets.Mania.Objects.Drawables
             if (Time.Current < HitObject.StartTime || Time.Current > HitObject.EndTime)
                 return false;
 
-            if (action != Action)
+            if (action != Action.Value)
                 return false;
 
             // The user has pressed during the body of the hold note, after the head note and its hit windows have passed
@@ -135,7 +135,7 @@ namespace osu.Game.Rulesets.Mania.Objects.Drawables
             if (!holdStartTime.HasValue)
                 return false;
 
-            if (action != Action)
+            if (action != Action.Value)
                 return false;
 
             holdStartTime = null;
@@ -154,8 +154,8 @@ namespace osu.Game.Rulesets.Mania.Objects.Drawables
         {
             private readonly DrawableHoldNote holdNote;
 
-            public DrawableHeadNote(DrawableHoldNote holdNote, ManiaAction action)
+            public DrawableHeadNote(DrawableHoldNote holdNote)
-                : base(holdNote.HitObject.Head, action)
+                : base(holdNote.HitObject.Head)
             {
                 this.holdNote = holdNote;
             }
@@ -191,8 +191,8 @@ namespace osu.Game.Rulesets.Mania.Objects.Drawables
 
             private readonly DrawableHoldNote holdNote;
 
-            public DrawableTailNote(DrawableHoldNote holdNote, ManiaAction action)
+            public DrawableTailNote(DrawableHoldNote holdNote)
-                : base(holdNote.HitObject.Tail, action)
+                : base(holdNote.HitObject.Tail)
             {
                 this.holdNote = holdNote;
             }
@@ -235,7 +235,7 @@ namespace osu.Game.Rulesets.Mania.Objects.Drawables
                 if (!holdNote.holdStartTime.HasValue)
                     return false;
 
-                if (action != Action)
+                if (action != Action.Value)
                     return false;
 
                 UpdateJudgement(true);

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

@@ -1,6 +1,7 @@
 // Copyright (c) 2007-2018 ppy Pty Ltd <contact@ppy.sh>.
 // Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
 
+using JetBrains.Annotations;
 using osu.Framework.Allocation;
 using osu.Framework.Configuration;
 using osu.Framework.Graphics;
@@ -10,30 +11,26 @@ using osu.Game.Rulesets.UI.Scrolling;
 
 namespace osu.Game.Rulesets.Mania.Objects.Drawables
 {
-    public abstract class DrawableManiaHitObject<TObject> : DrawableHitObject<ManiaHitObject>
+    public abstract class DrawableManiaHitObject : DrawableHitObject<ManiaHitObject>
-        where TObject : ManiaHitObject
     {
         /// <summary>
-        /// The key that will trigger input for this hit object.
+        /// The <see cref="ManiaAction"/> which causes this <see cref="DrawableManiaHitObject{TObject}"/> to be hit.
         /// </summary>
-        protected ManiaAction Action { get; }
+        protected readonly IBindable<ManiaAction> Action = new Bindable<ManiaAction>();
-
-        public new TObject HitObject;
 
         protected readonly IBindable<ScrollingDirection> Direction = new Bindable<ScrollingDirection>();
 
-        protected DrawableManiaHitObject(TObject hitObject, ManiaAction? action = null)
+        protected DrawableManiaHitObject(ManiaHitObject hitObject)
             : base(hitObject)
         {
-            HitObject = hitObject;
-
-            if (action != null)
-                Action = action.Value;
         }
 
-        [BackgroundDependencyLoader]
+        [BackgroundDependencyLoader(true)]
-        private void load(IScrollingInfo scrollingInfo)
+        private void load([CanBeNull] IBindable<ManiaAction> action, [NotNull] IScrollingInfo scrollingInfo)
         {
+            if (action != null)
+                Action.BindTo(action);
+
             Direction.BindTo(scrollingInfo.Direction);
             Direction.BindValueChanged(OnDirectionChanged, true);
         }
@@ -42,6 +39,18 @@ namespace osu.Game.Rulesets.Mania.Objects.Drawables
         {
             Anchor = Origin = direction == ScrollingDirection.Up ? Anchor.TopCentre : Anchor.BottomCentre;
         }
+    }
+
+    public abstract class DrawableManiaHitObject<TObject> : DrawableManiaHitObject
+        where TObject : ManiaHitObject
+    {
+        public new readonly TObject HitObject;
+
+        protected DrawableManiaHitObject(TObject hitObject)
+            : base(hitObject)
+        {
+            HitObject = hitObject;
+        }
 
         protected override void UpdateState(ArmedState state)
         {

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

@@ -20,8 +20,8 @@ namespace osu.Game.Rulesets.Mania.Objects.Drawables
     {
         private readonly NotePiece headPiece;
 
-        public DrawableNote(Note hitObject, ManiaAction action)
+        public DrawableNote(Note hitObject)
-            : base(hitObject, action)
+            : base(hitObject)
         {
             RelativeSizeAxes = Axes.X;
             AutoSizeAxes = Axes.Y;
@@ -74,7 +74,7 @@ namespace osu.Game.Rulesets.Mania.Objects.Drawables
 
         public virtual bool OnPressed(ManiaAction action)
         {
-            if (action != Action)
+            if (action != Action.Value)
                 return false;
 
             return UpdateJudgement(true);

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

@@ -7,6 +7,8 @@ using osu.Framework.Graphics.Containers;
 using osu.Game.Graphics;
 using osu.Game.Rulesets.Objects.Drawables;
 using System.Linq;
+using osu.Framework.Allocation;
+using osu.Framework.Configuration;
 using osu.Framework.Input.Bindings;
 using osu.Game.Rulesets.Judgements;
 using osu.Game.Rulesets.Mania.UI.Components;
@@ -19,21 +21,7 @@ namespace osu.Game.Rulesets.Mania.UI
         private const float column_width = 45;
         private const float special_column_width = 70;
 
-        private ManiaAction action;
+        public readonly Bindable<ManiaAction> Action = new Bindable<ManiaAction>();
-
-        public ManiaAction Action
-        {
-            get => action;
-            set
-            {
-                if (action == value)
-                    return;
-                action = value;
-
-                background.Action = value;
-                keyArea.Action = value;
-            }
-        }
 
         private readonly ColumnBackground background;
         private readonly ColumnKeyArea keyArea;
@@ -130,6 +118,13 @@ namespace osu.Game.Rulesets.Mania.UI
             }
         }
 
+        protected override IReadOnlyDependencyContainer CreateLocalDependencies(IReadOnlyDependencyContainer parent)
+        {
+            var dependencies = new DependencyContainer(base.CreateLocalDependencies(parent));
+            dependencies.CacheAs<IBindable<ManiaAction>>(Action);
+            return dependencies;
+        }
+
         /// <summary>
         /// Adds a DrawableHitObject to this Playfield.
         /// </summary>

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

@@ -17,7 +17,7 @@ namespace osu.Game.Rulesets.Mania.UI.Components
 {
     public class ColumnBackground : CompositeDrawable, IKeyBindingHandler<ManiaAction>, IHasAccentColour
     {
-        public ManiaAction Action;
+        private readonly IBindable<ManiaAction> action = new Bindable<ManiaAction>();
 
         private Box background;
         private Box backgroundOverlay;
@@ -25,8 +25,10 @@ namespace osu.Game.Rulesets.Mania.UI.Components
         private readonly IBindable<ScrollingDirection> direction = new Bindable<ScrollingDirection>();
 
         [BackgroundDependencyLoader]
-        private void load(IScrollingInfo scrollingInfo)
+        private void load(IBindable<ManiaAction> action, IScrollingInfo scrollingInfo)
         {
+            this.action.BindTo(action);
+
             InternalChildren = new[]
             {
                 background = new Box
@@ -91,14 +93,14 @@ namespace osu.Game.Rulesets.Mania.UI.Components
 
         public bool OnPressed(ManiaAction action)
         {
-            if (action == Action)
+            if (action == this.action.Value)
                 backgroundOverlay.FadeTo(1, 50, Easing.OutQuint).Then().FadeTo(0.5f, 250, Easing.OutQuint);
             return false;
         }
 
         public bool OnReleased(ManiaAction action)
         {
-            if (action == Action)
+            if (action == this.action.Value)
                 backgroundOverlay.FadeTo(0, 250, Easing.OutQuint);
             return false;
         }

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

@@ -21,15 +21,16 @@ namespace osu.Game.Rulesets.Mania.UI.Components
         private const float key_icon_size = 10;
         private const float key_icon_corner_radius = 3;
 
-        public ManiaAction Action;
+        private readonly IBindable<ManiaAction> action = new Bindable<ManiaAction>();
-
         private readonly IBindable<ScrollingDirection> direction = new Bindable<ScrollingDirection>();
 
         private Container keyIcon;
 
         [BackgroundDependencyLoader]
-        private void load(IScrollingInfo scrollingInfo)
+        private void load(IBindable<ManiaAction> action, IScrollingInfo scrollingInfo)
         {
+            this.action.BindTo(action);
+
             Drawable gradient;
 
             InternalChildren = new[]
@@ -107,14 +108,14 @@ namespace osu.Game.Rulesets.Mania.UI.Components
 
         public bool OnPressed(ManiaAction action)
         {
-            if (action == Action)
+            if (action == this.action.Value)
                 keyIcon.ScaleTo(1.4f, 50, Easing.OutQuint).Then().ScaleTo(1.3f, 250, Easing.OutQuint);
             return false;
         }
 
         public bool OnReleased(ManiaAction action)
         {
-            if (action == Action)
+            if (action == this.action.Value)
                 keyIcon.ScaleTo(1f, 125, Easing.OutQuint);
             return false;
         }

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

@@ -101,18 +101,16 @@ namespace osu.Game.Rulesets.Mania.UI
 
         protected override DrawableHitObject<ManiaHitObject> GetVisualRepresentation(ManiaHitObject h)
         {
-            ManiaAction action = Playfield.Columns.ElementAt(h.Column).Action;
+            switch (h)
-
+            {
-            var holdNote = h as HoldNote;
+                case HoldNote holdNote:
-            if (holdNote != null)
+                    return new DrawableHoldNote(holdNote);
-                return new DrawableHoldNote(holdNote, action);
+                case Note note:
-
+                    return new DrawableNote(note);
-            var note = h as Note;
+                default:
-            if (note != null)
-                return new DrawableNote(note, action);
-
                     return null;
             }
+        }
 
         protected override Vector2 PlayfieldArea => new Vector2(1, 0.8f);
 

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

@@ -127,7 +127,7 @@ namespace osu.Game.Rulesets.Mania.UI
                 var column = new Column(direction)
                 {
                     IsSpecial = isSpecial,
-                    Action = isSpecial ? specialColumnStartAction++ : normalColumnStartAction++
+                    Action = { Value = isSpecial ? specialColumnStartAction++ : normalColumnStartAction++ }
                 };
 
                 AddColumn(column);

osu.Game.Rulesets.Osu/Beatmaps/OsuBeatmapProcessor.cs

@@ -15,10 +15,10 @@ namespace osu.Game.Rulesets.Osu.Beatmaps
         {
         }
 
-        public override void PostProcess()
+        public override void PreProcess()
         {
+            base.PreProcess();
             applyStacking((Beatmap<OsuHitObject>)Beatmap);
-            base.PostProcess();
         }
 
         private void applyStacking(Beatmap<OsuHitObject> beatmap)
@@ -44,7 +44,7 @@ namespace osu.Game.Rulesets.Osu.Beatmaps
                         continue;
 
                     double endTime = (stackBaseObject as IHasEndTime)?.EndTime ?? stackBaseObject.StartTime;
-                    double stackThreshold = objectN.TimePreempt * beatmap.BeatmapInfo?.StackLeniency ?? 0.7f;
+                    double stackThreshold = objectN.TimePreempt * beatmap.BeatmapInfo.StackLeniency;
 
                     if (objectN.StartTime - endTime > stackThreshold)
                         //We are no longer within stacking range of the next object.
@@ -87,7 +87,7 @@ namespace osu.Game.Rulesets.Osu.Beatmaps
                 OsuHitObject objectI = beatmap.HitObjects[i];
                 if (objectI.StackHeight != 0 || objectI is Spinner) continue;
 
-                double stackThreshold = objectI.TimePreempt * beatmap.BeatmapInfo?.StackLeniency ?? 0.7f;
+                double stackThreshold = objectI.TimePreempt * beatmap.BeatmapInfo.StackLeniency;
 
                 /* If this object is a hitcircle, then we enter this "special" case.
                     * It either ends with a stack of hitcircles only, or a stack of hitcircles that are underneath a slider.

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

@@ -1,7 +1,6 @@
 // Copyright (c) 2007-2018 ppy Pty Ltd <contact@ppy.sh>.
 // Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
 
-using OpenTK;
 using osu.Game.Rulesets.Judgements;
 using osu.Game.Rulesets.Osu.Objects.Drawables;
 using osu.Game.Rulesets.Scoring;
@@ -12,11 +11,6 @@ namespace osu.Game.Rulesets.Osu.Judgements
     {
         public override HitResult MaxResult => HitResult.Great;
 
-        /// <summary>
-        /// The positional hit offset.
-        /// </summary>
-        public Vector2 PositionOffset;
-
         protected override int NumericResultFor(HitResult result)
         {
             switch (result)

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

@@ -8,6 +8,7 @@ namespace osu.Game.Rulesets.Osu.Judgements
     public class OsuSliderTailJudgement : OsuJudgement
     {
         public override bool AffectsCombo => false;
+
         protected override int NumericResultFor(HitResult result) => 0;
     }
 }

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

@@ -96,7 +96,6 @@ namespace osu.Game.Rulesets.Osu.Objects.Drawables
             AddJudgement(new OsuJudgement
             {
                 Result = result,
-                PositionOffset = Vector2.Zero //todo: set to correct value
             });
         }
 

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

@@ -96,7 +96,7 @@ namespace osu.Game.Rulesets.Osu.Objects.Drawables
                 base.AccentColour = value;
                 Body.AccentColour = AccentColour;
                 Ball.AccentColour = AccentColour;
-                if (HasNestedHitObjects)
+
                 foreach (var drawableHitObject in NestedHitObjects)
                     drawableHitObject.AccentColour = AccentColour;
             }
@@ -139,7 +139,7 @@ namespace osu.Game.Rulesets.Osu.Objects.Drawables
         {
             if (!userTriggered && Time.Current >= slider.EndTime)
             {
-                var judgementsCount = NestedHitObjects.Count;
+                var judgementsCount = NestedHitObjects.Count();
                 var judgementsHit = NestedHitObjects.Count(h => h.IsHit);
 
                 var hitFraction = (double)judgementsHit / judgementsCount;

osu.Game.Rulesets.Osu/UI/OsuPlayfield.cs

@@ -11,7 +11,6 @@ using osu.Game.Rulesets.Osu.Objects.Drawables.Connections;
 using osu.Game.Rulesets.UI;
 using System.Linq;
 using osu.Game.Rulesets.Judgements;
-using osu.Game.Rulesets.Osu.Judgements;
 
 namespace osu.Game.Rulesets.Osu.UI
 {
@@ -75,7 +74,7 @@ namespace osu.Game.Rulesets.Osu.UI
             DrawableOsuJudgement explosion = new DrawableOsuJudgement(judgement, judgedObject)
             {
                 Origin = Anchor.Centre,
-                Position = ((OsuHitObject)judgedObject.HitObject).StackedEndPosition + ((OsuJudgement)judgement).PositionOffset
+                Position = ((OsuHitObject)judgedObject.HitObject).StackedEndPosition
             };
 
             judgementLayer.Add(explosion);

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

@@ -37,7 +37,7 @@ namespace osu.Game.Rulesets.Taiko.UI
         private void loadBarLines()
         {
             TaikoHitObject lastObject = Beatmap.HitObjects[Beatmap.HitObjects.Count - 1];
-            double lastHitTime = 1 + (lastObject as IHasEndTime)?.EndTime ?? lastObject.StartTime;
+            double lastHitTime = 1 + ((lastObject as IHasEndTime)?.EndTime ?? lastObject.StartTime);
 
             var timingPoints = Beatmap.ControlPointInfo.TimingPoints.ToList();
 

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

@@ -11,6 +11,7 @@ using osu.Game.Audio;
 using osu.Game.Rulesets.Objects.Types;
 using osu.Game.Beatmaps.Formats;
 using osu.Game.Beatmaps.Timing;
+using osu.Game.Rulesets.Objects;
 using osu.Game.Skinning;
 
 namespace osu.Game.Tests.Beatmaps.Formats
@@ -211,5 +212,41 @@ namespace osu.Game.Tests.Beatmaps.Formats
                 Assert.IsTrue(hitObjects[1].Samples.Any(s => s.Name == SampleInfo.HIT_CLAP));
             }
         }
+
+        [Test]
+        public void TestDecodeCustomSamples()
+        {
+            var decoder = new LegacyBeatmapDecoder { ApplyOffsets = false };
+            using (var resStream = Resource.OpenResource("custom-samples.osu"))
+            using (var stream = new StreamReader(resStream))
+            {
+                var hitObjects = decoder.Decode(stream).HitObjects;
+
+                Assert.AreEqual("hitnormal", getTestableSampleInfo(hitObjects[0]).Name);
+                Assert.AreEqual("hitnormal", getTestableSampleInfo(hitObjects[1]).Name);
+                Assert.AreEqual("hitnormal2", getTestableSampleInfo(hitObjects[2]).Name);
+                Assert.AreEqual("hitnormal", getTestableSampleInfo(hitObjects[3]).Name);
+            }
+
+            SampleInfo getTestableSampleInfo(HitObject hitObject) => hitObject.SampleControlPoint.ApplyTo(new SampleInfo { Name = "hitnormal" });
+        }
+
+        [Test]
+        public void TestDecodeCustomHitObjectSamples()
+        {
+            var decoder = new LegacyBeatmapDecoder { ApplyOffsets = false };
+            using (var resStream = Resource.OpenResource("custom-hitobject-samples.osu"))
+            using (var stream = new StreamReader(resStream))
+            {
+                var hitObjects = decoder.Decode(stream).HitObjects;
+
+                Assert.AreEqual("hit_1.wav", hitObjects[0].Samples[0].LookupNames.First());
+                Assert.AreEqual("hit_2.wav", hitObjects[1].Samples[0].LookupNames.First());
+                Assert.AreEqual("hitnormal2", getTestableSampleInfo(hitObjects[2]).Name);
+                Assert.AreEqual("hit_1.wav", hitObjects[3].Samples[0].LookupNames.First());
+            }
+
+            SampleInfo getTestableSampleInfo(HitObject hitObject) => hitObject.SampleControlPoint.ApplyTo(new SampleInfo { Name = "hitnormal" });
+        }
     }
 }

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

@@ -118,7 +118,11 @@ namespace osu.Game.Tests.Beatmaps.Formats
         public void TestParity(string beatmap)
         {
             var legacy = decode(beatmap, out Beatmap json);
-            json.WithDeepEqual(legacy).IgnoreProperty(r => r.DeclaringType == typeof(HitWindows)).Assert();
+            json.WithDeepEqual(legacy)
+                .IgnoreProperty(r => r.DeclaringType == typeof(HitWindows)
+                                     // Todo: CustomSampleBank shouldn't exist going forward, we need a conversion mechanism
+                                     || r.Name == nameof(LegacyDecoder<Beatmap>.LegacySampleControlPoint.CustomSampleBank))
+                .Assert();
         }
 
         /// <summary>

osu.Game.Tests/Resources/custom-hitobject-samples.osu

@@ -0,0 +1,16 @@
+osu file format v14
+
+[General]
+SampleSet: Normal
+
+[TimingPoints]
+2170,468.75,4,1,0,40,1,0
+2638,-100,4,1,1,40,0,0
+3107,-100,4,1,2,40,0,0
+3576,-100,4,1,0,40,0,0
+
+[HitObjects]
+255,193,2170,1,0,0:0:0:0:hit_1.wav
+256,191,2638,5,0,0:0:0:0:hit_2.wav
+255,193,3107,1,0,0:0:0:0:
+256,191,3576,1,0,0:0:0:0:hit_1.wav

osu.Game.Tests/Resources/custom-samples.osu

@@ -0,0 +1,16 @@
+osu file format v14
+
+[General]
+SampleSet: Normal
+
+[TimingPoints]
+2170,468.75,4,1,0,40,1,0
+2638,-100,4,1,1,40,0,0
+3107,-100,4,1,2,40,0,0
+3576,-100,4,1,0,40,0,0
+
+[HitObjects]
+255,193,2170,1,0,0:0:0:0:
+256,191,2638,5,0,0:0:0:0:
+255,193,3107,1,0,0:0:0:0:
+256,191,3576,1,0,0:0:0:0:

osu.Game.Tests/Visual/TestCaseBeatmapInfoWedge.cs

@@ -65,17 +65,19 @@ namespace osu.Game.Tests.Visual
 
             foreach (var rulesetInfo in rulesets.AvailableRulesets)
             {
-                var ruleset = rulesetInfo.CreateInstance();
+                var instance = rulesetInfo.CreateInstance();
                 var testBeatmap = createTestBeatmap(rulesetInfo);
 
                 beatmaps.Add(testBeatmap);
 
+                AddStep("set ruleset", () => Ruleset.Value = rulesetInfo);
+
                 selectBeatmap(testBeatmap);
 
-                testBeatmapLabels(ruleset);
+                testBeatmapLabels(instance);
 
                 // TODO: adjust cases once more info is shown for other gamemodes
-                switch (ruleset)
+                switch (instance)
                 {
                     case OsuRuleset _:
                         testInfoLabels(5);

osu.Game.Tests/Visual/TestCaseMods.cs

@@ -77,7 +77,7 @@ namespace osu.Game.Tests.Visual
             foreach (var rulesetInfo in rulesets.AvailableRulesets)
             {
                 Ruleset ruleset = rulesetInfo.CreateInstance();
-                AddStep($"switch to {ruleset.Description}", () => modSelect.Ruleset.Value = rulesetInfo);
+                AddStep($"switch to {ruleset.Description}", () => Ruleset.Value = rulesetInfo);
 
                 switch (ruleset)
                 {

osu.Game/Audio/SampleInfo.cs

@@ -2,6 +2,7 @@
 // Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
 
 using System;
+using System.Collections.Generic;
 
 namespace osu.Game.Audio
 {
@@ -32,5 +33,21 @@ namespace osu.Game.Audio
         /// The sample volume.
         /// </summary>
         public int Volume;
+
+        /// <summary>
+        /// Retrieve all possible filenames that can be used as a source, returned in order of preference (highest first).
+        /// </summary>
+        public virtual IEnumerable<string> LookupNames
+        {
+            get
+            {
+                if (!string.IsNullOrEmpty(Namespace))
+                    yield return $"{Namespace}/{Bank}-{Name}";
+
+                yield return $"{Bank}-{Name}"; // Without namespace as a fallback even when we have a namespace
+            }
+        }
+
+        public SampleInfo Clone() => (SampleInfo)MemberwiseClone();
     }
 }

osu.Game/Beatmaps/BeatmapProcessor.cs

@@ -6,23 +6,9 @@ using osu.Game.Rulesets.Objects.Types;
 
 namespace osu.Game.Beatmaps
 {
-    public interface IBeatmapProcessor
-    {
-        IBeatmap Beatmap { get; }
-
     /// <summary>
-        /// Post-processes <see cref="Beatmap"/> to add mode-specific components that aren't added during conversion.
+    /// Provides functionality to alter a <see cref="IBeatmap"/> after it has been converted.
-        /// <para>
-        /// An example of such a usage is for combo colours.
-        /// </para>
     /// </summary>
-        void PostProcess();
-    }
-
-    /// <summary>
-    /// Processes a post-converted Beatmap.
-    /// </summary>
-    /// <typeparam name="TObject">The type of HitObject contained in the Beatmap.</typeparam>
     public class BeatmapProcessor : IBeatmapProcessor
     {
         public IBeatmap Beatmap { get; }
@@ -32,13 +18,7 @@ namespace osu.Game.Beatmaps
             Beatmap = beatmap;
         }
 
-        /// <summary>
+        public virtual void PreProcess()
-        /// Post-processes a Beatmap to add mode-specific components that aren't added during conversion.
-        /// <para>
-        /// An example of such a usage is for combo colours.
-        /// </para>
-        /// </summary>
-        public virtual void PostProcess()
         {
             IHasComboInformation lastObj = null;
 
@@ -62,5 +42,9 @@ namespace osu.Game.Beatmaps
                 lastObj = obj;
             }
         }
+
+        public virtual void PostProcess()
+        {
+        }
     }
 }

osu.Game/Beatmaps/BeatmapSetInfo.cs

@@ -13,7 +13,13 @@ namespace osu.Game.Beatmaps
         [DatabaseGenerated(DatabaseGeneratedOption.Identity)]
         public int ID { get; set; }
 
-        public int? OnlineBeatmapSetID { get; set; }
+        private int? onlineBeatmapSetID;
+
+        public int? OnlineBeatmapSetID
+        {
+            get { return onlineBeatmapSetID; }
+            set { onlineBeatmapSetID = value > 0 ? value : null; }
+        }
 
         public BeatmapMetadata Metadata { get; set; }
 

osu.Game/Beatmaps/ControlPoints/ControlPoint.cs

@@ -14,6 +14,15 @@ namespace osu.Game.Beatmaps.ControlPoints
 
         public int CompareTo(ControlPoint other) => Time.CompareTo(other.Time);
 
-        public bool Equals(ControlPoint other) => Time.Equals(other?.Time);
+        /// <summary>
+        /// Whether this <see cref="ControlPoint"/> provides the same parametric changes as another <see cref="ControlPoint"/>.
+        /// Basically an equality check without considering the <see cref="Time"/>.
+        /// </summary>
+        /// <param name="other">The <see cref="ControlPoint"/> to compare to.</param>
+        /// <returns>Whether this <see cref="ControlPoint"/> is equivalent to <paramref name="other"/>.</returns>
+        public virtual bool EquivalentTo(ControlPoint other) => true;
+
+        public bool Equals(ControlPoint other)
+            => EquivalentTo(other) && Time.Equals(other?.Time);
     }
 }

osu.Game/Beatmaps/ControlPoints/DifficultyControlPoint.cs

@@ -17,5 +17,10 @@ namespace osu.Game.Beatmaps.ControlPoints
         }
 
         private double speedMultiplier = 1;
+
+        public override bool EquivalentTo(ControlPoint other)
+            => base.EquivalentTo(other)
+               && other is DifficultyControlPoint difficulty
+               && SpeedMultiplier.Equals(difficulty.SpeedMultiplier);
     }
 }

osu.Game/Beatmaps/ControlPoints/EffectControlPoint.cs

@@ -14,5 +14,11 @@ namespace osu.Game.Beatmaps.ControlPoints
         /// Whether the first bar line of this control point is ignored.
         /// </summary>
         public bool OmitFirstBarLine;
+
+        public override bool EquivalentTo(ControlPoint other)
+            => base.EquivalentTo(other)
+               && other is EffectControlPoint effect
+               && KiaiMode.Equals(effect.KiaiMode)
+               && OmitFirstBarLine.Equals(effect.OmitFirstBarLine);
     }
 }

osu.Game/Beatmaps/ControlPoints/SampleControlPoint.cs

@@ -30,5 +30,25 @@ namespace osu.Game.Beatmaps.ControlPoints
             Name = sampleName,
             Volume = SampleVolume,
         };
+
+        /// <summary>
+        /// Applies <see cref="SampleBank"/> and <see cref="SampleVolume"/> to a <see cref="SampleInfo"/> if necessary, returning the modified <see cref="SampleInfo"/>.
+        /// </summary>
+        /// <param name="sampleInfo">The <see cref="SampleInfo"/>. This will not be modified.</param>
+        /// <returns>The modified <see cref="SampleInfo"/>. This does not share a reference with <paramref name="sampleInfo"/>.</returns>
+        public virtual SampleInfo ApplyTo(SampleInfo sampleInfo)
+        {
+            var newSampleInfo = sampleInfo.Clone();
+            newSampleInfo.Bank = sampleInfo.Bank ?? SampleBank;
+            newSampleInfo.Name = sampleInfo.Name;
+            newSampleInfo.Volume = sampleInfo.Volume > 0 ? sampleInfo.Volume : SampleVolume;
+            return newSampleInfo;
+        }
+
+        public override bool EquivalentTo(ControlPoint other)
+            => base.EquivalentTo(other)
+               && other is SampleControlPoint sample
+               && SampleBank.Equals(sample.SampleBank)
+               && SampleVolume.Equals(sample.SampleVolume);
     }
 }

osu.Game/Beatmaps/ControlPoints/TimingControlPoint.cs

@@ -23,5 +23,11 @@ namespace osu.Game.Beatmaps.ControlPoints
         }
 
         private double beatLength = 1000;
+
+        public override bool EquivalentTo(ControlPoint other)
+            => base.EquivalentTo(other)
+               && other is TimingControlPoint timing
+               && TimeSignature.Equals(timing.TimeSignature)
+               && BeatLength.Equals(timing.BeatLength);
     }
 }

osu.Game/Beatmaps/Formats/LegacyBeatmapDecoder.cs

@@ -289,9 +289,9 @@ namespace osu.Game.Beatmaps.Formats
                 if (split.Length >= 4)
                     sampleSet = (LegacySampleBank)int.Parse(split[3]);
 
-                //SampleBank sampleBank = SampleBank.Default;
+                int customSampleBank = 0;
-                //if (split.Length >= 5)
+                if (split.Length >= 5)
-                //    sampleBank = (SampleBank)int.Parse(split[4]);
+                    customSampleBank = int.Parse(split[4]);
 
                 int sampleVolume = defaultSampleVolume;
                 if (split.Length >= 6)
@@ -314,13 +314,9 @@ namespace osu.Game.Beatmaps.Formats
                 if (stringSampleSet == @"none")
                     stringSampleSet = @"normal";
 
-                DifficultyControlPoint difficultyPoint = beatmap.ControlPointInfo.DifficultyPointAt(time);
-                SampleControlPoint samplePoint = beatmap.ControlPointInfo.SamplePointAt(time);
-                EffectControlPoint effectPoint = beatmap.ControlPointInfo.EffectPointAt(time);
-
                 if (timingChange)
                 {
-                    beatmap.ControlPointInfo.TimingPoints.Add(new TimingControlPoint
+                    handleTimingControlPoint(new TimingControlPoint
                     {
                         Time = time,
                         BeatLength = beatLength,
@@ -328,41 +324,68 @@ namespace osu.Game.Beatmaps.Formats
                     });
                 }
 
-                if (speedMultiplier != difficultyPoint.SpeedMultiplier)
+                handleDifficultyControlPoint(new DifficultyControlPoint
-                {
-                    beatmap.ControlPointInfo.DifficultyPoints.RemoveAll(x => x.Time == time);
-                    beatmap.ControlPointInfo.DifficultyPoints.Add(new DifficultyControlPoint
                 {
                     Time = time,
                     SpeedMultiplier = speedMultiplier
                 });
-                }
 
-                if (stringSampleSet != samplePoint.SampleBank || sampleVolume != samplePoint.SampleVolume)
+                handleEffectControlPoint(new EffectControlPoint
-                {
-                    beatmap.ControlPointInfo.SamplePoints.Add(new SampleControlPoint
-                    {
-                        Time = time,
-                        SampleBank = stringSampleSet,
-                        SampleVolume = sampleVolume
-                    });
-                }
-
-                if (kiaiMode != effectPoint.KiaiMode || omitFirstBarSignature != effectPoint.OmitFirstBarLine)
-                {
-                    beatmap.ControlPointInfo.EffectPoints.Add(new EffectControlPoint
                 {
                     Time = time,
                     KiaiMode = kiaiMode,
                     OmitFirstBarLine = omitFirstBarSignature
                 });
-                }
+
+                handleSampleControlPoint(new LegacySampleControlPoint
+                {
+                    Time = time,
+                    SampleBank = stringSampleSet,
+                    SampleVolume = sampleVolume,
+                    CustomSampleBank = customSampleBank
+                });
             }
             catch (FormatException e)
             {
             }
         }
 
+        private void handleTimingControlPoint(TimingControlPoint newPoint)
+        {
+            beatmap.ControlPointInfo.TimingPoints.Add(newPoint);
+        }
+
+        private void handleDifficultyControlPoint(DifficultyControlPoint newPoint)
+        {
+            var existing = beatmap.ControlPointInfo.DifficultyPointAt(newPoint.Time);
+
+            if (newPoint.EquivalentTo(existing))
+                return;
+
+            beatmap.ControlPointInfo.DifficultyPoints.RemoveAll(x => x.Time == newPoint.Time);
+            beatmap.ControlPointInfo.DifficultyPoints.Add(newPoint);
+        }
+
+        private void handleEffectControlPoint(EffectControlPoint newPoint)
+        {
+            var existing = beatmap.ControlPointInfo.EffectPointAt(newPoint.Time);
+
+            if (newPoint.EquivalentTo(existing))
+                return;
+
+            beatmap.ControlPointInfo.EffectPoints.Add(newPoint);
+        }
+
+        private void handleSampleControlPoint(SampleControlPoint newPoint)
+        {
+            var existing = beatmap.ControlPointInfo.SamplePointAt(newPoint.Time);
+
+            if (newPoint.EquivalentTo(existing))
+                return;
+
+            beatmap.ControlPointInfo.SamplePoints.Add(newPoint);
+        }
+
         private void handleHitObject(string line)
         {
             // If the ruleset wasn't specified, assume the osu!standard ruleset.

osu.Game/Beatmaps/Formats/LegacyDecoder.cs

@@ -5,6 +5,8 @@ using System;
 using System.Collections.Generic;
 using System.IO;
 using osu.Framework.Logging;
+using osu.Game.Audio;
+using osu.Game.Beatmaps.ControlPoints;
 using OpenTK.Graphics;
 
 namespace osu.Game.Beatmaps.Formats
@@ -167,5 +169,25 @@ namespace osu.Game.Beatmaps.Formats
             Pass = 2,
             Foreground = 3
         }
+
+        internal class LegacySampleControlPoint : SampleControlPoint
+        {
+            public int CustomSampleBank;
+
+            public override SampleInfo ApplyTo(SampleInfo sampleInfo)
+            {
+                var baseInfo = base.ApplyTo(sampleInfo);
+
+                if (CustomSampleBank > 1)
+                    baseInfo.Name += CustomSampleBank;
+
+                return baseInfo;
+            }
+
+            public override bool EquivalentTo(ControlPoint other)
+                => base.EquivalentTo(other)
+                   && other is LegacySampleControlPoint legacy
+                   && CustomSampleBank == legacy.CustomSampleBank;
+        }
     }
 }

osu.Game/Beatmaps/IBeatmapConverter.cs

@@ -7,6 +7,9 @@ using osu.Game.Rulesets.Objects;
 
 namespace osu.Game.Beatmaps
 {
+    /// <summary>
+    /// Provides functionality to convert a <see cref="IBeatmap"/> for a <see cref="Ruleset"/>.
+    /// </summary>
     public interface IBeatmapConverter
     {
         /// <summary>

osu.Game/Beatmaps/IBeatmapProcessor.cs

@@ -0,0 +1,40 @@
+// Copyright (c) 2007-2018 ppy Pty Ltd <contact@ppy.sh>.
+// Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
+
+namespace osu.Game.Beatmaps
+{
+    /// <summary>
+    /// Provides functionality to alter a <see cref="IBeatmap"/> after it has been converted.
+    /// </summary>
+    public interface IBeatmapProcessor
+    {
+        /// <summary>
+        /// The <see cref="IBeatmap"/> to process. This should already be converted to the applicable <see cref="Ruleset"/>.
+        /// </summary>
+        IBeatmap Beatmap { get; }
+
+        /// <summary>
+        /// Processes the converted <see cref="Beatmap"/> prior to <see cref="HitObject.ApplyDefaults"/> being invoked.
+        /// <para>
+        /// Nested <see cref="HitObject"/>s generated during <see cref="HitObject.ApplyDefaults"/> will not be present by this point,
+        /// and no mods will have been applied to the <see cref="HitObject"/>s.
+        /// </para>
+        /// </summary>
+        /// <remarks>
+        /// This can only be used to add alterations to <see cref="HitObject"/>s generated directly through the conversion process.
+        /// </remarks>
+        void PreProcess();
+
+        /// <summary>
+        /// Processes the converted <see cref="Beatmap"/> after <see cref="HitObject.ApplyDefaults"/> has been invoked.
+        /// <para>
+        /// Nested <see cref="HitObject"/>s generated during <see cref="HitObject.ApplyDefaults"/> will be present by this point,
+        /// and mods will have been applied to all <see cref="HitObject"/>s.
+        /// </para>
+        /// </summary>
+        /// <remarks>
+        /// This should be used to add alterations to <see cref="HitObject"/>s while they are in their most playable state.
+        /// </remarks>
+        void PostProcess();
+    }
+}

osu.Game/Beatmaps/WorkingBeatmap.cs

@@ -116,6 +116,10 @@ namespace osu.Game.Beatmaps
                     mod.ApplyToDifficulty(converted.BeatmapInfo.BaseDifficulty);
             }
 
+            IBeatmapProcessor processor = rulesetInstance.CreateBeatmapProcessor(converted);
+
+            processor?.PreProcess();
+
             // Compute default values for hitobjects, including creating nested hitobjects in-case they're needed
             foreach (var obj in converted.HitObjects)
                 obj.ApplyDefaults(converted.ControlPointInfo, converted.BeatmapInfo.BaseDifficulty);
@@ -124,8 +128,7 @@ namespace osu.Game.Beatmaps
             foreach (var obj in converted.HitObjects)
                 mod.ApplyToHitObject(obj);
 
-            // Post-process
+            processor?.PostProcess();
-            rulesetInstance.CreateBeatmapProcessor(converted)?.PostProcess();
 
             return converted;
         }

osu.Game/Graphics/Containers/OsuFocusedOverlayContainer.cs

@@ -8,16 +8,20 @@ using osu.Framework.Graphics.Containers;
 using osu.Framework.Input;
 using OpenTK;
 using osu.Framework.Configuration;
+using osu.Framework.Input.Bindings;
 using osu.Game.Audio;
+using osu.Game.Input.Bindings;
 using osu.Game.Overlays;
 
 namespace osu.Game.Graphics.Containers
 {
-    public class OsuFocusedOverlayContainer : FocusedOverlayContainer, IPreviewTrackOwner
+    public class OsuFocusedOverlayContainer : FocusedOverlayContainer, IPreviewTrackOwner, IKeyBindingHandler<GlobalAction>
     {
         private SampleChannel samplePopIn;
         private SampleChannel samplePopOut;
 
+        protected virtual bool PlaySamplesOnStateChange => true;
+
         private PreviewTrackManager previewTrackManager;
 
         protected readonly Bindable<OverlayActivation> OverlayActivationMode = new Bindable<OverlayActivation>(OverlayActivation.All);
@@ -63,18 +67,33 @@ namespace osu.Game.Graphics.Containers
             return base.OnClick(state);
         }
 
+        public bool OnPressed(GlobalAction action)
+        {
+            if (action == GlobalAction.Back)
+            {
+                State = Visibility.Hidden;
+                return true;
+            }
+
+            return false;
+        }
+
+        public bool OnReleased(GlobalAction action) => false;
+
         private void onStateChanged(Visibility visibility)
         {
             switch (visibility)
             {
                 case Visibility.Visible:
                     if (OverlayActivationMode != OverlayActivation.Disabled)
-                        samplePopIn?.Play();
+                    {
+                        if (PlaySamplesOnStateChange) samplePopIn?.Play();
+                    }
                     else
                         State = Visibility.Hidden;
                     break;
                 case Visibility.Hidden:
-                    samplePopOut?.Play();
+                    if (PlaySamplesOnStateChange) samplePopOut?.Play();
                     break;
             }
         }

osu.Game/Graphics/Cursor/MenuCursor.cs

@@ -11,9 +11,9 @@ using osu.Framework.Graphics.Sprites;
 using osu.Framework.Input;
 using osu.Game.Configuration;
 using System;
-using System.Diagnostics;
 using JetBrains.Annotations;
 using osu.Framework.Graphics.Textures;
+using OpenTK.Input;
 
 namespace osu.Game.Graphics.Cursor
 {
@@ -25,9 +25,8 @@ namespace osu.Game.Graphics.Cursor
         protected override Drawable CreateCursor() => new Cursor();
 
         private Bindable<bool> cursorRotate;
-        private bool dragging;
+        private DragRotationState dragRotationState;
-
+        private Vector2 positionMouseDown;
-        private bool startRotation;
 
         [BackgroundDependencyLoader(true)]
         private void load([NotNull] OsuConfigManager config, [CanBeNull] ScreenshotManager screenshotManager)
@@ -40,18 +39,18 @@ namespace osu.Game.Graphics.Cursor
 
         protected override bool OnMouseMove(InputState state)
         {
-            if (cursorRotate && dragging)
+            if (dragRotationState != DragRotationState.NotDragging)
             {
-                Debug.Assert(state.Mouse.PositionMouseDown != null);
+                var position = state.Mouse.Position;
-
+                var distance = Vector2Extensions.Distance(position, positionMouseDown);
                 // don't start rotating until we're moved a minimum distance away from the mouse down location,
                 // else it can have an annoying effect.
-                // ReSharper disable once PossibleInvalidOperationException
+                if (dragRotationState == DragRotationState.DragStarted && distance > 30)
-                startRotation |= Vector2Extensions.Distance(state.Mouse.Position, state.Mouse.PositionMouseDown.Value) > 30;
+                    dragRotationState = DragRotationState.Rotating;
-
+                // don't rotate when distance is zero to avoid NaN
-                if (startRotation)
+                if (dragRotationState == DragRotationState.Rotating && distance > 0)
                 {
-                    Vector2 offset = state.Mouse.Position - state.Mouse.PositionMouseDown.Value;
+                    Vector2 offset = state.Mouse.Position - positionMouseDown;
                     float degrees = (float)MathHelper.RadiansToDegrees(Math.Atan2(-offset.X, offset.Y)) + 24.3f;
 
                     // Always rotate in the direction of least distance
@@ -67,12 +66,6 @@ namespace osu.Game.Graphics.Cursor
             return base.OnMouseMove(state);
         }
 
-        protected override bool OnDragStart(InputState state)
-        {
-            dragging = true;
-            return base.OnDragStart(state);
-        }
-
         protected override bool OnMouseDown(InputState state, MouseDownEventArgs args)
         {
             ActiveCursor.Scale = new Vector2(1);
@@ -80,6 +73,12 @@ namespace osu.Game.Graphics.Cursor
 
             ((Cursor)ActiveCursor).AdditiveLayer.Alpha = 0;
             ((Cursor)ActiveCursor).AdditiveLayer.FadeInFromZero(800, Easing.OutQuint);
+
+            if (args.Button == MouseButton.Left && cursorRotate)
+            {
+                dragRotationState = DragRotationState.DragStarted;
+                positionMouseDown = state.Mouse.Position;
+            }
             return base.OnMouseDown(state, args);
         }
 
@@ -87,14 +86,16 @@ namespace osu.Game.Graphics.Cursor
         {
             if (!state.Mouse.HasMainButtonPressed)
             {
-                dragging = false;
-                startRotation = false;
-
                 ((Cursor)ActiveCursor).AdditiveLayer.FadeOut(500, Easing.OutQuint);
-                ActiveCursor.RotateTo(0, 600 * (1 + Math.Abs(ActiveCursor.Rotation / 720)), Easing.OutElasticHalf);
                 ActiveCursor.ScaleTo(1, 500, Easing.OutElastic);
             }
 
+            if (args.Button == MouseButton.Left)
+            {
+                if (dragRotationState == DragRotationState.Rotating)
+                    ActiveCursor.RotateTo(0, 600 * (1 + Math.Abs(ActiveCursor.Rotation / 720)), Easing.OutElasticHalf);
+                dragRotationState = DragRotationState.NotDragging;
+            }
             return base.OnMouseUp(state, args);
         }
 
@@ -160,5 +161,12 @@ namespace osu.Game.Graphics.Cursor
                 cursorScale.TriggerChange();
             }
         }
+
+        private enum DragRotationState
+        {
+            NotDragging,
+            DragStarted,
+            Rotating,
+        }
     }
 }

osu.Game/Graphics/UserInterface/FocusedTextBox.cs

@@ -2,9 +2,10 @@
 // Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
 
 using OpenTK.Graphics;
-using OpenTK.Input;
 using osu.Framework.Input;
 using System;
+using osu.Game.Input.Bindings;
+using OpenTK.Input;
 
 namespace osu.Game.Graphics.UserInterface
 {
@@ -19,6 +20,7 @@ namespace osu.Game.Graphics.UserInterface
         public Action Exit;
 
         private bool focus;
+
         public bool HoldFocus
         {
             get { return focus; }
@@ -26,7 +28,7 @@ namespace osu.Game.Graphics.UserInterface
             {
                 focus = value;
                 if (!focus && HasFocus)
-                    GetContainingInputManager().ChangeFocus(null);
+                    base.KillFocus();
             }
         }
 
@@ -41,18 +43,34 @@ namespace osu.Game.Graphics.UserInterface
 
         protected override bool OnKeyDown(InputState state, KeyDownEventArgs args)
         {
-            if (!args.Repeat && args.Key == Key.Escape)
+            if (!HasFocus) return false;
-            {
+
-                if (Text.Length > 0)
+            if (args.Key == Key.Escape)
-                    Text = string.Empty;
+                return false; // disable the framework-level handling of escape key for confority (we use GlobalAction.Back).
-                else
-                    Exit?.Invoke();
-                return true;
-            }
 
             return base.OnKeyDown(state, args);
         }
 
+        public override bool OnPressed(GlobalAction action)
+        {
+            if (action == GlobalAction.Back)
+            {
+                if (Text.Length > 0)
+                {
+                    Text = string.Empty;
+                    return true;
+                }
+            }
+
+            return base.OnPressed(action);
+        }
+
+        protected override void KillFocus()
+        {
+            base.KillFocus();
+            Exit?.Invoke();
+        }
+
         public override bool RequestsFocus => HoldFocus;
     }
 }

osu.Game/Graphics/UserInterface/OsuPasswordTextBox.cs

@@ -18,7 +18,7 @@ namespace osu.Game.Graphics.UserInterface
     {
         protected override Drawable GetDrawableCharacter(char c) => new PasswordMaskChar(CalculatedTextSize);
 
-        public override bool AllowClipboardExport => false;
+        protected override bool AllowClipboardExport => false;
 
         private readonly CapsWarning warning;
 

osu.Game/Graphics/UserInterface/OsuTextBox.cs

@@ -9,10 +9,12 @@ using osu.Framework.Input;
 using osu.Game.Graphics.Sprites;
 using OpenTK.Graphics;
 using osu.Framework.Extensions.Color4Extensions;
+using osu.Framework.Input.Bindings;
+using osu.Game.Input.Bindings;
 
 namespace osu.Game.Graphics.UserInterface
 {
-    public class OsuTextBox : TextBox
+    public class OsuTextBox : TextBox, IKeyBindingHandler<GlobalAction>
     {
         protected override Color4 BackgroundUnfocused => Color4.Black.Opacity(0.5f);
         protected override Color4 BackgroundFocused => OsuColour.Gray(0.3f).Opacity(0.8f);
@@ -33,10 +35,7 @@ namespace osu.Game.Graphics.UserInterface
             TextContainer.Height = 0.5f;
             CornerRadius = 5;
 
-            Current.DisabledChanged += disabled =>
+            Current.DisabledChanged += disabled => { Alpha = disabled ? 0.3f : 1; };
-            {
-                Alpha = disabled ? 0.3f : 1;
-            };
         }
 
         [BackgroundDependencyLoader]
@@ -59,5 +58,18 @@ namespace osu.Game.Graphics.UserInterface
         }
 
         protected override Drawable GetDrawableCharacter(char c) => new OsuSpriteText { Text = c.ToString(), TextSize = CalculatedTextSize };
+
+        public virtual bool OnPressed(GlobalAction action)
+        {
+            if (action == GlobalAction.Back)
+            {
+                KillFocus();
+                return true;
+            }
+
+            return false;
+        }
+
+        public bool OnReleased(GlobalAction action) => false;
     }
 }

osu.Game/Graphics/UserInterface/SearchTextBox.cs

@@ -34,8 +34,6 @@ namespace osu.Game.Graphics.UserInterface
 
         protected override bool OnKeyDown(InputState state, KeyDownEventArgs args)
         {
-            if (HandlePendingText(state)) return true;
-
             if (!state.Keyboard.ControlPressed && !state.Keyboard.ShiftPressed)
             {
                 switch (args.Key)

osu.Game/Input/Bindings/GlobalActionContainer.cs

@@ -45,7 +45,9 @@ namespace osu.Game.Input.Bindings
         public IEnumerable<KeyBinding> InGameKeyBindings => new[]
         {
             new KeyBinding(InputKey.Space, GlobalAction.SkipCutscene),
-            new KeyBinding(InputKey.Tilde, GlobalAction.QuickRetry)
+            new KeyBinding(InputKey.Tilde, GlobalAction.QuickRetry),
+            new KeyBinding(new[] { InputKey.Control, InputKey.Plus }, GlobalAction.IncreaseScrollSpeed),
+            new KeyBinding(new[] { InputKey.Control, InputKey.Minus }, GlobalAction.DecreaseScrollSpeed),
         };
 
         protected override IEnumerable<Drawable> KeyBindingInputQueue =>
@@ -85,6 +87,12 @@ namespace osu.Game.Input.Bindings
         ToggleGameplayMouseButtons,
 
         [Description("Go back")]
-        Back
+        Back,
+
+        [Description("Increase scroll speed")]
+        IncreaseScrollSpeed,
+
+        [Description("Decrease scroll speed")]
+        DecreaseScrollSpeed,
     }
 }

osu.Game/Migrations/20180628011956_RemoveNegativeSetIDs.Designer.cs

@@ -0,0 +1,376 @@
+// <auto-generated />
+using System;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Infrastructure;
+using Microsoft.EntityFrameworkCore.Migrations;
+using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
+using osu.Game.Database;
+
+namespace osu.Game.Migrations
+{
+    [DbContext(typeof(OsuDbContext))]
+    [Migration("20180628011956_RemoveNegativeSetIDs")]
+    partial class RemoveNegativeSetIDs
+    {
+        protected override void BuildTargetModel(ModelBuilder modelBuilder)
+        {
+#pragma warning disable 612, 618
+            modelBuilder
+                .HasAnnotation("ProductVersion", "2.1.1-rtm-30846");
+
+            modelBuilder.Entity("osu.Game.Beatmaps.BeatmapDifficulty", b =>
+                {
+                    b.Property<int>("ID")
+                        .ValueGeneratedOnAdd();
+
+                    b.Property<float>("ApproachRate");
+
+                    b.Property<float>("CircleSize");
+
+                    b.Property<float>("DrainRate");
+
+                    b.Property<float>("OverallDifficulty");
+
+                    b.Property<double>("SliderMultiplier");
+
+                    b.Property<double>("SliderTickRate");
+
+                    b.HasKey("ID");
+
+                    b.ToTable("BeatmapDifficulty");
+                });
+
+            modelBuilder.Entity("osu.Game.Beatmaps.BeatmapInfo", b =>
+                {
+                    b.Property<int>("ID")
+                        .ValueGeneratedOnAdd();
+
+                    b.Property<int>("AudioLeadIn");
+
+                    b.Property<int>("BaseDifficultyID");
+
+                    b.Property<int>("BeatDivisor");
+
+                    b.Property<int>("BeatmapSetInfoID");
+
+                    b.Property<bool>("Countdown");
+
+                    b.Property<double>("DistanceSpacing");
+
+                    b.Property<int>("GridSize");
+
+                    b.Property<string>("Hash");
+
+                    b.Property<bool>("Hidden");
+
+                    b.Property<bool>("LetterboxInBreaks");
+
+                    b.Property<string>("MD5Hash");
+
+                    b.Property<int?>("MetadataID");
+
+                    b.Property<int?>("OnlineBeatmapID");
+
+                    b.Property<string>("Path");
+
+                    b.Property<int>("RulesetID");
+
+                    b.Property<bool>("SpecialStyle");
+
+                    b.Property<float>("StackLeniency");
+
+                    b.Property<double>("StarDifficulty");
+
+                    b.Property<string>("StoredBookmarks");
+
+                    b.Property<double>("TimelineZoom");
+
+                    b.Property<string>("Version");
+
+                    b.Property<bool>("WidescreenStoryboard");
+
+                    b.HasKey("ID");
+
+                    b.HasIndex("BaseDifficultyID");
+
+                    b.HasIndex("BeatmapSetInfoID");
+
+                    b.HasIndex("Hash");
+
+                    b.HasIndex("MD5Hash");
+
+                    b.HasIndex("MetadataID");
+
+                    b.HasIndex("OnlineBeatmapID")
+                        .IsUnique();
+
+                    b.HasIndex("RulesetID");
+
+                    b.ToTable("BeatmapInfo");
+                });
+
+            modelBuilder.Entity("osu.Game.Beatmaps.BeatmapMetadata", b =>
+                {
+                    b.Property<int>("ID")
+                        .ValueGeneratedOnAdd();
+
+                    b.Property<string>("Artist");
+
+                    b.Property<string>("ArtistUnicode");
+
+                    b.Property<string>("AudioFile");
+
+                    b.Property<string>("AuthorString")
+                        .HasColumnName("Author");
+
+                    b.Property<string>("BackgroundFile");
+
+                    b.Property<int>("PreviewTime");
+
+                    b.Property<string>("Source");
+
+                    b.Property<string>("Tags");
+
+                    b.Property<string>("Title");
+
+                    b.Property<string>("TitleUnicode");
+
+                    b.HasKey("ID");
+
+                    b.ToTable("BeatmapMetadata");
+                });
+
+            modelBuilder.Entity("osu.Game.Beatmaps.BeatmapSetFileInfo", b =>
+                {
+                    b.Property<int>("ID")
+                        .ValueGeneratedOnAdd();
+
+                    b.Property<int>("BeatmapSetInfoID");
+
+                    b.Property<int>("FileInfoID");
+
+                    b.Property<string>("Filename")
+                        .IsRequired();
+
+                    b.HasKey("ID");
+
+                    b.HasIndex("BeatmapSetInfoID");
+
+                    b.HasIndex("FileInfoID");
+
+                    b.ToTable("BeatmapSetFileInfo");
+                });
+
+            modelBuilder.Entity("osu.Game.Beatmaps.BeatmapSetInfo", b =>
+                {
+                    b.Property<int>("ID")
+                        .ValueGeneratedOnAdd();
+
+                    b.Property<bool>("DeletePending");
+
+                    b.Property<string>("Hash");
+
+                    b.Property<int?>("MetadataID");
+
+                    b.Property<int?>("OnlineBeatmapSetID");
+
+                    b.Property<bool>("Protected");
+
+                    b.HasKey("ID");
+
+                    b.HasIndex("DeletePending");
+
+                    b.HasIndex("Hash")
+                        .IsUnique();
+
+                    b.HasIndex("MetadataID");
+
+                    b.HasIndex("OnlineBeatmapSetID")
+                        .IsUnique();
+
+                    b.ToTable("BeatmapSetInfo");
+                });
+
+            modelBuilder.Entity("osu.Game.Configuration.DatabasedSetting", b =>
+                {
+                    b.Property<int>("ID")
+                        .ValueGeneratedOnAdd();
+
+                    b.Property<int>("IntKey")
+                        .HasColumnName("Key");
+
+                    b.Property<int?>("RulesetID");
+
+                    b.Property<string>("StringValue")
+                        .HasColumnName("Value");
+
+                    b.Property<int?>("Variant");
+
+                    b.HasKey("ID");
+
+                    b.HasIndex("RulesetID", "Variant");
+
+                    b.ToTable("Settings");
+                });
+
+            modelBuilder.Entity("osu.Game.Input.Bindings.DatabasedKeyBinding", b =>
+                {
+                    b.Property<int>("ID")
+                        .ValueGeneratedOnAdd();
+
+                    b.Property<int>("IntAction")
+                        .HasColumnName("Action");
+
+                    b.Property<string>("KeysString")
+                        .HasColumnName("Keys");
+
+                    b.Property<int?>("RulesetID");
+
+                    b.Property<int?>("Variant");
+
+                    b.HasKey("ID");
+
+                    b.HasIndex("IntAction");
+
+                    b.HasIndex("RulesetID", "Variant");
+
+                    b.ToTable("KeyBinding");
+                });
+
+            modelBuilder.Entity("osu.Game.IO.FileInfo", b =>
+                {
+                    b.Property<int>("ID")
+                        .ValueGeneratedOnAdd();
+
+                    b.Property<string>("Hash");
+
+                    b.Property<int>("ReferenceCount");
+
+                    b.HasKey("ID");
+
+                    b.HasIndex("Hash")
+                        .IsUnique();
+
+                    b.HasIndex("ReferenceCount");
+
+                    b.ToTable("FileInfo");
+                });
+
+            modelBuilder.Entity("osu.Game.Rulesets.RulesetInfo", b =>
+                {
+                    b.Property<int?>("ID")
+                        .ValueGeneratedOnAdd();
+
+                    b.Property<bool>("Available");
+
+                    b.Property<string>("InstantiationInfo");
+
+                    b.Property<string>("Name");
+
+                    b.Property<string>("ShortName");
+
+                    b.HasKey("ID");
+
+                    b.HasIndex("Available");
+
+                    b.HasIndex("ShortName")
+                        .IsUnique();
+
+                    b.ToTable("RulesetInfo");
+                });
+
+            modelBuilder.Entity("osu.Game.Skinning.SkinFileInfo", b =>
+                {
+                    b.Property<int>("ID")
+                        .ValueGeneratedOnAdd();
+
+                    b.Property<int>("FileInfoID");
+
+                    b.Property<string>("Filename")
+                        .IsRequired();
+
+                    b.Property<int>("SkinInfoID");
+
+                    b.HasKey("ID");
+
+                    b.HasIndex("FileInfoID");
+
+                    b.HasIndex("SkinInfoID");
+
+                    b.ToTable("SkinFileInfo");
+                });
+
+            modelBuilder.Entity("osu.Game.Skinning.SkinInfo", b =>
+                {
+                    b.Property<int>("ID")
+                        .ValueGeneratedOnAdd();
+
+                    b.Property<string>("Creator");
+
+                    b.Property<bool>("DeletePending");
+
+                    b.Property<string>("Name");
+
+                    b.HasKey("ID");
+
+                    b.ToTable("SkinInfo");
+                });
+
+            modelBuilder.Entity("osu.Game.Beatmaps.BeatmapInfo", b =>
+                {
+                    b.HasOne("osu.Game.Beatmaps.BeatmapDifficulty", "BaseDifficulty")
+                        .WithMany()
+                        .HasForeignKey("BaseDifficultyID")
+                        .OnDelete(DeleteBehavior.Cascade);
+
+                    b.HasOne("osu.Game.Beatmaps.BeatmapSetInfo", "BeatmapSet")
+                        .WithMany("Beatmaps")
+                        .HasForeignKey("BeatmapSetInfoID")
+                        .OnDelete(DeleteBehavior.Cascade);
+
+                    b.HasOne("osu.Game.Beatmaps.BeatmapMetadata", "Metadata")
+                        .WithMany("Beatmaps")
+                        .HasForeignKey("MetadataID");
+
+                    b.HasOne("osu.Game.Rulesets.RulesetInfo", "Ruleset")
+                        .WithMany()
+                        .HasForeignKey("RulesetID")
+                        .OnDelete(DeleteBehavior.Cascade);
+                });
+
+            modelBuilder.Entity("osu.Game.Beatmaps.BeatmapSetFileInfo", b =>
+                {
+                    b.HasOne("osu.Game.Beatmaps.BeatmapSetInfo")
+                        .WithMany("Files")
+                        .HasForeignKey("BeatmapSetInfoID")
+                        .OnDelete(DeleteBehavior.Cascade);
+
+                    b.HasOne("osu.Game.IO.FileInfo", "FileInfo")
+                        .WithMany()
+                        .HasForeignKey("FileInfoID")
+                        .OnDelete(DeleteBehavior.Cascade);
+                });
+
+            modelBuilder.Entity("osu.Game.Beatmaps.BeatmapSetInfo", b =>
+                {
+                    b.HasOne("osu.Game.Beatmaps.BeatmapMetadata", "Metadata")
+                        .WithMany("BeatmapSets")
+                        .HasForeignKey("MetadataID");
+                });
+
+            modelBuilder.Entity("osu.Game.Skinning.SkinFileInfo", b =>
+                {
+                    b.HasOne("osu.Game.IO.FileInfo", "FileInfo")
+                        .WithMany()
+                        .HasForeignKey("FileInfoID")
+                        .OnDelete(DeleteBehavior.Cascade);
+
+                    b.HasOne("osu.Game.Skinning.SkinInfo")
+                        .WithMany("Files")
+                        .HasForeignKey("SkinInfoID")
+                        .OnDelete(DeleteBehavior.Cascade);
+                });
+#pragma warning restore 612, 618
+        }
+    }
+}

osu.Game/Migrations/20180628011956_RemoveNegativeSetIDs.cs

@@ -0,0 +1,19 @@
+using Microsoft.EntityFrameworkCore.Migrations;
+
+namespace osu.Game.Migrations
+{
+    public partial class RemoveNegativeSetIDs : Migration
+    {
+        protected override void Up(MigrationBuilder migrationBuilder)
+        {
+            // There was a change that baetmaps were being loaded with "-1" online IDs, which is completely incorrect.
+            // This ensures there will not be unique key conflicts as a result of these incorrectly imported beatmaps.
+            migrationBuilder.Sql("UPDATE BeatmapSetInfo SET OnlineBeatmapSetID = null WHERE OnlineBeatmapSetID <= 0");
+        }
+
+        protected override void Down(MigrationBuilder migrationBuilder)
+        {
+
+        }
+    }
+}

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

@@ -49,7 +49,7 @@ namespace osu.Game.Online.API.Requests.Responses
         private DateTimeOffset submitted { get; set; }
 
         [JsonProperty(@"ranked_date")]
-        private DateTimeOffset ranked { get; set; }
+        private DateTimeOffset? ranked { get; set; }
 
         [JsonProperty(@"last_updated")]
         private DateTimeOffset lastUpdated { get; set; }

osu.Game/OsuGame.cs

@@ -85,7 +85,7 @@ namespace osu.Game
         private OnScreenDisplay onscreenDisplay;
 
         private Bindable<int> configRuleset;
-        public Bindable<RulesetInfo> Ruleset = new Bindable<RulesetInfo>();
+        private readonly Bindable<RulesetInfo> ruleset = new Bindable<RulesetInfo>();
 
         private Bindable<int> configSkin;
 
@@ -147,10 +147,13 @@ namespace osu.Game
 
             dependencies.CacheAs(this);
 
+            dependencies.CacheAs(ruleset);
+            dependencies.CacheAs<IBindable<RulesetInfo>>(ruleset);
+
             // bind config int to database RulesetInfo
             configRuleset = LocalConfig.GetBindable<int>(OsuSetting.Ruleset);
-            Ruleset.Value = RulesetStore.GetRuleset(configRuleset.Value) ?? RulesetStore.AvailableRulesets.First();
+            ruleset.Value = RulesetStore.GetRuleset(configRuleset.Value) ?? RulesetStore.AvailableRulesets.First();
-            Ruleset.ValueChanged += r => configRuleset.Value = r.ID ?? 0;
+            ruleset.ValueChanged += r => configRuleset.Value = r.ID ?? 0;
 
             // bind config int to database SkinInfo
             configSkin = LocalConfig.GetBindable<int>(OsuSetting.Skin);
@@ -216,7 +219,7 @@ namespace osu.Game
                 return;
             }
 
-            Ruleset.Value = s.Ruleset;
+            ruleset.Value = s.Ruleset;
 
             Beatmap.Value = BeatmapManager.GetWorkingBeatmap(s.Beatmap);
             Beatmap.Value.Mods.Value = s.Mods;
@@ -247,7 +250,8 @@ namespace osu.Game
                 new VolumeControlReceptor
                 {
                     RelativeSizeAxes = Axes.Both,
-                    ActionRequested = action => volume.Adjust(action)
+                    ActionRequested = action => volume.Adjust(action),
+                    ScrollActionRequested = (action, amount, isPrecise) => volume.Adjust(action, amount, isPrecise),
                 },
                 mainContent = new Container { RelativeSizeAxes = Axes.Both },
                 overlayContent = new Container { RelativeSizeAxes = Axes.Both, Depth = float.MinValue },
@@ -550,7 +554,7 @@ namespace osu.Game
             // the use case for not applying is in visual/unit tests.
             bool applyRestrictions = !currentScreen?.AllowBeatmapRulesetChange ?? false;
 
-            Ruleset.Disabled = applyRestrictions;
+            ruleset.Disabled = applyRestrictions;
             Beatmap.Disabled = applyRestrictions;
 
             mainContent.Padding = new MarginPadding { Top = ToolbarOffset };

osu.Game/Overlays/Dialog/PopupDialog.cs

@@ -6,16 +6,16 @@ using System.Linq;
 using osu.Framework.Extensions.Color4Extensions;
 using osu.Framework.Graphics;
 using osu.Framework.Graphics.Containers;
+using osu.Framework.Graphics.Shapes;
 using osu.Framework.Graphics.Sprites;
 using osu.Framework.Input;
 using osu.Game.Graphics;
 using osu.Game.Graphics.Backgrounds;
+using osu.Game.Graphics.Containers;
 using osu.Game.Graphics.Sprites;
 using OpenTK;
 using OpenTK.Graphics;
 using OpenTK.Input;
-using osu.Framework.Graphics.Shapes;
-using osu.Game.Graphics.Containers;
 
 namespace osu.Game.Overlays.Dialog
 {
@@ -23,6 +23,9 @@ namespace osu.Game.Overlays.Dialog
     {
         public static readonly float ENTER_DURATION = 500;
         public static readonly float EXIT_DURATION = 200;
+
+        protected override bool BlockPassThroughMouse => false;
+
         private readonly Vector2 ringSize = new Vector2(100f);
         private readonly Vector2 ringMinifiedSize = new Vector2(20f);
         private readonly Vector2 buttonsEnterSpacing = new Vector2(0f, 50f);
@@ -34,26 +37,28 @@ namespace osu.Game.Overlays.Dialog
         private readonly SpriteText header;
         private readonly TextFlowContainer body;
 
+        private bool actionInvoked;
+
         public FontAwesome Icon
         {
-            get { return icon.Icon; }
+            get => icon.Icon;
-            set { icon.Icon = value; }
+            set => icon.Icon = value;
         }
 
         public string HeaderText
         {
-            get { return header.Text; }
+            get => header.Text;
-            set { header.Text = value; }
+            set => header.Text = value;
         }
 
         public string BodyText
         {
-            set { body.Text = value; }
+            set => body.Text = value;
         }
 
         public IEnumerable<PopupDialogButton> Buttons
         {
-            get { return buttonsContainer.Children; }
+            get => buttonsContainer.Children;
             set
             {
                 buttonsContainer.ChildrenEnumerable = value;
@@ -62,71 +67,17 @@ namespace osu.Game.Overlays.Dialog
                     var action = b.Action;
                     b.Action = () =>
                     {
-                        Hide();
+                        if (actionInvoked) return;
+
+                        actionInvoked = true;
                         action?.Invoke();
+
+                        Hide();
                     };
                 }
             }
         }
 
-        private void pressButtonAtIndex(int index)
-        {
-            if (index < Buttons.Count())
-                Buttons.Skip(index).First().TriggerOnClick();
-        }
-
-        protected override bool OnKeyDown(InputState state, KeyDownEventArgs args)
-        {
-            if (args.Repeat) return false;
-
-            if (args.Key == Key.Enter || args.Key == Key.KeypadEnter)
-            {
-                Buttons.OfType<PopupDialogOkButton>().FirstOrDefault()?.TriggerOnClick();
-                return true;
-            }
-
-            // press button at number if 1-9 on number row or keypad are pressed
-            var k = args.Key;
-            if (k >= Key.Number1 && k <= Key.Number9)
-            {
-                pressButtonAtIndex(k - Key.Number1);
-                return true;
-            }
-
-            if (k >= Key.Keypad1 && k <= Key.Keypad9)
-            {
-                pressButtonAtIndex(k - Key.Keypad1);
-                return true;
-            }
-
-            return base.OnKeyDown(state, args);
-        }
-
-        protected override void PopIn()
-        {
-            base.PopIn();
-
-            // Reset various animations but only if the dialog animation fully completed
-            if (content.Alpha == 0)
-            {
-                buttonsContainer.TransformSpacingTo(buttonsEnterSpacing);
-                buttonsContainer.MoveToY(buttonsEnterSpacing.Y);
-                ring.ResizeTo(ringMinifiedSize);
-            }
-
-            content.FadeIn(ENTER_DURATION, Easing.OutQuint);
-            ring.ResizeTo(ringSize, ENTER_DURATION, Easing.OutQuint);
-            buttonsContainer.TransformSpacingTo(Vector2.Zero, ENTER_DURATION, Easing.OutQuint);
-            buttonsContainer.MoveToY(0, ENTER_DURATION, Easing.OutQuint);
-        }
-
-        protected override void PopOut()
-        {
-            base.PopOut();
-
-            content.FadeOut(EXIT_DURATION, Easing.InSine);
-        }
-
         public PopupDialog()
         {
             RelativeSizeAxes = Axes.Both;
@@ -136,9 +87,6 @@ namespace osu.Game.Overlays.Dialog
                 content = new Container
                 {
                     RelativeSizeAxes = Axes.Both,
-                    Anchor = Anchor.BottomCentre,
-                    Origin = Anchor.BottomCentre,
-                    Width = 0.4f,
                     Alpha = 0f,
                     Children = new Drawable[]
                     {
@@ -243,5 +191,69 @@ namespace osu.Game.Overlays.Dialog
                 },
             };
         }
+
+        protected override bool OnKeyDown(InputState state, KeyDownEventArgs args)
+        {
+            if (args.Repeat) return false;
+
+            if (args.Key == Key.Enter || args.Key == Key.KeypadEnter)
+            {
+                Buttons.OfType<PopupDialogOkButton>().FirstOrDefault()?.TriggerOnClick();
+                return true;
+            }
+
+            // press button at number if 1-9 on number row or keypad are pressed
+            var k = args.Key;
+            if (k >= Key.Number1 && k <= Key.Number9)
+            {
+                pressButtonAtIndex(k - Key.Number1);
+                return true;
+            }
+
+            if (k >= Key.Keypad1 && k <= Key.Keypad9)
+            {
+                pressButtonAtIndex(k - Key.Keypad1);
+                return true;
+            }
+
+            return base.OnKeyDown(state, args);
+        }
+
+        protected override void PopIn()
+        {
+            base.PopIn();
+
+            actionInvoked = false;
+
+            // Reset various animations but only if the dialog animation fully completed
+            if (content.Alpha == 0)
+            {
+                buttonsContainer.TransformSpacingTo(buttonsEnterSpacing);
+                buttonsContainer.MoveToY(buttonsEnterSpacing.Y);
+                ring.ResizeTo(ringMinifiedSize);
+            }
+
+            content.FadeIn(ENTER_DURATION, Easing.OutQuint);
+            ring.ResizeTo(ringSize, ENTER_DURATION, Easing.OutQuint);
+            buttonsContainer.TransformSpacingTo(Vector2.Zero, ENTER_DURATION, Easing.OutQuint);
+            buttonsContainer.MoveToY(0, ENTER_DURATION, Easing.OutQuint);
+        }
+
+        protected override void PopOut()
+        {
+            if (!actionInvoked)
+                // In the case a user did not choose an action before a hide was triggered, press the last button.
+                // This is presumed to always be a sane default "cancel" action.
+                buttonsContainer.Last().TriggerOnClick();
+
+            base.PopOut();
+            content.FadeOut(EXIT_DURATION, Easing.InSine);
+        }
+
+        private void pressButtonAtIndex(int index)
+        {
+            if (index < Buttons.Count())
+                Buttons.Skip(index).First().TriggerOnClick();
+        }
     }
 }

osu.Game/Overlays/DialogOverlay.cs

@@ -1,12 +1,9 @@
 // Copyright (c) 2007-2018 ppy Pty Ltd <contact@ppy.sh>.
 // Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
 
-using osu.Framework.Extensions.Color4Extensions;
 using osu.Framework.Graphics;
 using osu.Framework.Graphics.Containers;
 using osu.Game.Overlays.Dialog;
-using OpenTK.Graphics;
-using osu.Framework.Graphics.Shapes;
 using osu.Game.Graphics.Containers;
 
 namespace osu.Game.Overlays
@@ -16,6 +13,20 @@ namespace osu.Game.Overlays
         private readonly Container dialogContainer;
         private PopupDialog currentDialog;
 
+        public DialogOverlay()
+        {
+            RelativeSizeAxes = Axes.Both;
+
+            Child = dialogContainer = new Container
+            {
+                RelativeSizeAxes = Axes.Both,
+            };
+
+            Width = 0.4f;
+            Anchor = Anchor.BottomCentre;
+            Origin = Anchor.BottomCentre;
+        }
+
         public void Push(PopupDialog dialog)
         {
             if (dialog == currentDialog) return;
@@ -30,6 +41,10 @@ namespace osu.Game.Overlays
             State = Visibility.Visible;
         }
 
+        protected override bool PlaySamplesOnStateChange => false;
+
+        protected override bool BlockPassThroughKeyboard => true;
+
         private void onDialogOnStateChanged(VisibilityContainer dialog, Visibility v)
         {
             if (v != Visibility.Hidden) return;
@@ -50,32 +65,14 @@ namespace osu.Game.Overlays
         protected override void PopOut()
         {
             base.PopOut();
+
+            if (currentDialog?.State == Visibility.Visible)
+            {
+                currentDialog.Hide();
+                return;
+            }
+
             this.FadeOut(PopupDialog.EXIT_DURATION, Easing.InSine);
         }
-
-        public DialogOverlay()
-        {
-            RelativeSizeAxes = Axes.Both;
-
-            Children = new Drawable[]
-            {
-                new Container
-                {
-                    RelativeSizeAxes = Axes.Both,
-                    Children = new Drawable[]
-                    {
-                        new Box
-                        {
-                            RelativeSizeAxes = Axes.Both,
-                            Colour = Color4.Black.Opacity(0.5f),
-                        },
-                    },
-                },
-                dialogContainer = new Container
-                {
-                    RelativeSizeAxes = Axes.Both,
-                },
-            };
-        }
     }
 }

osu.Game/Overlays/Direct/FilterControl.cs

@@ -35,16 +35,14 @@ namespace osu.Game.Overlays.Direct
         }
 
         [BackgroundDependencyLoader(true)]
-        private void load(OsuGame game, RulesetStore rulesets, OsuColour colours)
+        private void load(RulesetStore rulesets, OsuColour colours, Bindable<RulesetInfo> ruleset)
         {
             DisplayStyleControl.Dropdown.AccentColour = colours.BlueDark;
 
-            Ruleset.Value = game?.Ruleset.Value ?? rulesets.GetRuleset(0);
+            Ruleset.Value = ruleset ?? rulesets.GetRuleset(0);
             foreach (var r in rulesets.AvailableRulesets)
-            {
                 modeButtons.Add(new RulesetToggleButton(Ruleset, r));
         }
-        }
 
         private class RulesetToggleButton : OsuClickableContainer
         {

osu.Game/Overlays/KeyBinding/KeyBindingRow.cs

@@ -186,7 +186,7 @@ namespace osu.Game.Overlays.KeyBinding
             {
                 if (bindTarget.IsHovered)
                 {
-                    bindTarget.UpdateKeyCombination(new KeyCombination(KeyCombination.FromInputState(state).Keys.Append(state.Mouse.ScrollDelta.Y > 0 ? InputKey.MouseWheelUp : InputKey.MouseWheelDown)));
+                    bindTarget.UpdateKeyCombination(KeyCombination.FromInputState(state, state.Mouse.ScrollDelta));
                     finalise();
                     return true;
                 }
@@ -202,9 +202,6 @@ namespace osu.Game.Overlays.KeyBinding
 
             switch (args.Key)
             {
-                case Key.Escape:
-                    finalise();
-                    return true;
                 case Key.Delete:
                 {
                     if (state.Keyboard.ShiftPressed)

osu.Game/Overlays/Mods/ModSelectOverlay.cs

@@ -40,7 +40,7 @@ namespace osu.Game.Overlays.Mods
 
         public readonly Bindable<IEnumerable<Mod>> SelectedMods = new Bindable<IEnumerable<Mod>>();
 
-        public readonly Bindable<RulesetInfo> Ruleset = new Bindable<RulesetInfo>();
+        public readonly IBindable<RulesetInfo> Ruleset = new Bindable<RulesetInfo>();
 
         private void rulesetChanged(RulesetInfo newRuleset)
         {
@@ -51,8 +51,8 @@ namespace osu.Game.Overlays.Mods
             refreshSelectedMods();
         }
 
-        [BackgroundDependencyLoader(permitNulls: true)]
+        [BackgroundDependencyLoader]
-        private void load(OsuColour colours, OsuGame osu, RulesetStore rulesets, AudioManager audio)
+        private void load(OsuColour colours, IBindable<RulesetInfo> ruleset, AudioManager audio)
         {
             SelectedMods.ValueChanged += selectedModsChanged;
 
@@ -60,13 +60,8 @@ namespace osu.Game.Overlays.Mods
             HighMultiplierColour = colours.Green;
             UnrankedLabel.Colour = colours.Blue;
 
-            if (osu != null)
+            Ruleset.BindTo(ruleset);
-                Ruleset.BindTo(osu.Ruleset);
+            Ruleset.BindValueChanged(rulesetChanged, true);
-            else
-                Ruleset.Value = rulesets.AvailableRulesets.First();
-
-            Ruleset.ValueChanged += rulesetChanged;
-            Ruleset.TriggerChange();
 
             sampleOn = audio.Sample.Get(@"UI/check-on");
             sampleOff = audio.Sample.Get(@"UI/check-off");

osu.Game/Overlays/Settings/Sections/SkinSection.cs

@@ -56,7 +56,13 @@ namespace osu.Game.Overlays.Settings.Sections
 
             reloadSkins();
 
-            skinDropdown.Bindable = config.GetBindable<int>(OsuSetting.Skin);
+            var skinBindable = config.GetBindable<int>(OsuSetting.Skin);
+
+            // Todo: This should not be necessary when OsuConfigManager is databased
+            if (skinDropdown.Items.All(s => s.Value != skinBindable.Value))
+                skinBindable.Value = 0;
+
+            skinDropdown.Bindable = skinBindable;
         }
 
         private void reloadSkins() => skinDropdown.Items = skins.GetAllUsableSkins().Select(s => new KeyValuePair<string, int>(s.ToString(), s.ID));

osu.Game/Overlays/Toolbar/ToolbarModeSelector.cs

@@ -67,8 +67,8 @@ namespace osu.Game.Overlays.Toolbar
             };
         }
 
-        [BackgroundDependencyLoader(true)]
+        [BackgroundDependencyLoader]
-        private void load(RulesetStore rulesets, OsuGame game)
+        private void load(RulesetStore rulesets, Bindable<RulesetInfo> parentRuleset)
         {
             this.rulesets = rulesets;
             foreach (var r in rulesets.AvailableRulesets)
@@ -82,11 +82,7 @@ namespace osu.Game.Overlays.Toolbar
 
             ruleset.ValueChanged += rulesetChanged;
             ruleset.DisabledChanged += disabledChanged;
-
+            ruleset.BindTo(parentRuleset);
-            if (game != null)
-                ruleset.BindTo(game.Ruleset);
-            else
-                ruleset.Value = rulesets.AvailableRulesets.FirstOrDefault();
         }
 
         protected override bool OnKeyDown(InputState state, KeyDownEventArgs args)

osu.Game/Overlays/Volume/VolumeControlReceptor.cs

@@ -9,11 +9,13 @@ using osu.Game.Input.Bindings;
 
 namespace osu.Game.Overlays.Volume
 {
-    public class VolumeControlReceptor : Container, IKeyBindingHandler<GlobalAction>, IHandleGlobalInput
+    public class VolumeControlReceptor : Container, IScrollBindingHandler<GlobalAction>, IHandleGlobalInput
     {
         public Func<GlobalAction, bool> ActionRequested;
+        public Func<GlobalAction, float, bool, bool> ScrollActionRequested;
 
         public bool OnPressed(GlobalAction action) => ActionRequested?.Invoke(action) ?? false;
+        public bool OnScroll(GlobalAction action, float amount, bool isPrecise) => ScrollActionRequested?.Invoke(action, amount, isPrecise) ?? false;
         public bool OnReleased(GlobalAction action) => false;
     }
 }

osu.Game/Overlays/Volume/VolumeMeter.cs

@@ -12,17 +12,15 @@ using osu.Framework.Graphics.Effects;
 using osu.Framework.Graphics.Shapes;
 using osu.Framework.Graphics.UserInterface;
 using osu.Framework.Input;
-using osu.Framework.Input.Bindings;
 using osu.Framework.MathUtils;
 using osu.Game.Graphics;
 using osu.Game.Graphics.Sprites;
-using osu.Game.Input.Bindings;
 using OpenTK;
 using OpenTK.Graphics;
 
 namespace osu.Game.Overlays.Volume
 {
-    public class VolumeMeter : Container, IKeyBindingHandler<GlobalAction>
+    public class VolumeMeter : Container
     {
         private CircularProgress volumeCircle;
         private CircularProgress volumeCircleGlow;
@@ -226,59 +224,27 @@ namespace osu.Game.Overlays.Volume
 
         private const float adjust_step = 0.05f;
 
-        public void Increase() => adjust(1);
+        public void Increase(double amount = 1, bool isPrecise = false) => adjust(amount, isPrecise);
-        public void Decrease() => adjust(-1);
+        public void Decrease(double amount = 1, bool isPrecise = false) => adjust(-amount, isPrecise);
-
-        private void adjust(int direction)
-        {
-            float amount = adjust_step * direction;
-
-            // handle the case where the OnPressed action was actually a mouse wheel.
-            // this allows for precise wheel handling.
-            var state = GetContainingInputManager().CurrentState;
-            if (state.Mouse?.ScrollDelta.Y != 0)
-            {
-                OnScroll(state);
-                return;
-            }
-
-            Volume += amount;
-        }
-
-        public bool OnPressed(GlobalAction action)
-        {
-            if (!IsHovered) return false;
-
-            switch (action)
-            {
-                case GlobalAction.DecreaseVolume:
-                    Decrease();
-                    return true;
-                case GlobalAction.IncreaseVolume:
-                    Increase();
-                    return true;
-            }
-
-            return false;
-        }
 
         // because volume precision is set to 0.01, this local is required to keep track of more precise adjustments and only apply when possible.
-        private double scrollAmount;
+        private double adjustAccumulator;
+
+        private void adjust(double delta, bool isPrecise)
+        {
+            adjustAccumulator += delta * adjust_step * (isPrecise ? 0.1 : 1);
+            if (Math.Abs(adjustAccumulator) < Bindable.Precision)
+                return;
+            Volume += adjustAccumulator;
+            adjustAccumulator = 0;
+        }
 
         protected override bool OnScroll(InputState state)
         {
-            scrollAmount += adjust_step * state.Mouse.ScrollDelta.Y * (state.Mouse.HasPreciseScroll ? 0.1f : 1);
+            adjust(state.Mouse.ScrollDelta.Y, state.Mouse.HasPreciseScroll);
-
-            if (Math.Abs(scrollAmount) < Bindable.Precision)
-                return true;
-
-            Volume += scrollAmount;
-            scrollAmount = 0;
             return true;
         }
 
-        public bool OnReleased(GlobalAction action) => false;
-
         private const float transition_length = 500;
 
         protected override bool OnHover(InputState state)

osu.Game/Overlays/VolumeOverlay.cs

@@ -93,7 +93,7 @@ namespace osu.Game.Overlays
             muteButton.Current.ValueChanged += _ => Show();
         }
 
-        public bool Adjust(GlobalAction action)
+        public bool Adjust(GlobalAction action, float amount = 1, bool isPrecise = false)
         {
             if (!IsLoaded) return false;
 
@@ -103,13 +103,13 @@ namespace osu.Game.Overlays
                     if (State == Visibility.Hidden)
                         Show();
                     else
-                        volumeMeterMaster.Decrease();
+                        volumeMeterMaster.Decrease(amount, isPrecise);
                     return true;
                 case GlobalAction.IncreaseVolume:
                     if (State == Visibility.Hidden)
                         Show();
                     else
-                        volumeMeterMaster.Increase();
+                        volumeMeterMaster.Increase(amount, isPrecise);
                     return true;
                 case GlobalAction.ToggleMute:
                     Show();

osu.Game/Rulesets/Judgements/Judgement.cs

@@ -45,11 +45,15 @@ namespace osu.Game.Rulesets.Judgements
         public double TimeOffset { get; set; }
 
         /// <summary>
-        /// Whether the <see cref="Result"/> should affect the combo portion of the score.
+        /// Whether the <see cref="Result"/> should affect the current combo.
-        /// If false, the <see cref="Result"/> will be considered for the bonus portion of the score.
         /// </summary>
         public virtual bool AffectsCombo => true;
 
+        /// <summary>
+        /// Whether the <see cref="Result"/> should be counted as base (combo) or bonus score.
+        /// </summary>
+        public virtual bool IsBonus => !AffectsCombo;
+
         /// <summary>
         /// The numeric representation for the result achieved.
         /// </summary>

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

@@ -33,8 +33,7 @@ namespace osu.Game.Rulesets.Objects.Drawables
         protected virtual IEnumerable<SampleInfo> GetSamples() => HitObject.Samples;
 
         private readonly Lazy<List<DrawableHitObject>> nestedHitObjects = new Lazy<List<DrawableHitObject>>();
-        public bool HasNestedHitObjects => nestedHitObjects.IsValueCreated;
+        public IEnumerable<DrawableHitObject> NestedHitObjects => nestedHitObjects.IsValueCreated ? nestedHitObjects.Value : Enumerable.Empty<DrawableHitObject>();
-        public IReadOnlyList<DrawableHitObject> NestedHitObjects => nestedHitObjects.Value;
 
         public event Action<DrawableHitObject, Judgement> OnJudgement;
         public event Action<DrawableHitObject, Judgement> OnJudgementRemoved;
@@ -50,12 +49,12 @@ namespace osu.Game.Rulesets.Objects.Drawables
         /// <summary>
         /// Whether this <see cref="DrawableHitObject"/> and all of its nested <see cref="DrawableHitObject"/>s have been hit.
         /// </summary>
-        public bool IsHit => Judgements.Any(j => j.Final && j.IsHit) && (!HasNestedHitObjects || NestedHitObjects.All(n => n.IsHit));
+        public bool IsHit => Judgements.Any(j => j.Final && j.IsHit) && NestedHitObjects.All(n => n.IsHit);
 
         /// <summary>
         /// Whether this <see cref="DrawableHitObject"/> and all of its nested <see cref="DrawableHitObject"/>s have been judged.
         /// </summary>
-        public bool AllJudged => (!ProvidesJudgement || judgementFinalized) && (!HasNestedHitObjects || NestedHitObjects.All(h => h.AllJudged));
+        public bool AllJudged => (!ProvidesJudgement || judgementFinalized) && NestedHitObjects.All(h => h.AllJudged);
 
         /// <summary>
         /// Whether this <see cref="DrawableHitObject"/> can be judged.
@@ -90,13 +89,12 @@ namespace osu.Game.Rulesets.Objects.Drawables
                 if (HitObject.SampleControlPoint == null)
                     throw new ArgumentNullException(nameof(HitObject.SampleControlPoint), $"{nameof(HitObject)}s must always have an attached {nameof(HitObject.SampleControlPoint)}."
                                                                                           + $" This is an indication that {nameof(HitObject.ApplyDefaults)} has not been invoked on {this}.");
-                AddInternal(Samples = new SkinnableSound(samples.Select(s => new SampleInfo
+
-                {
+                samples = samples.Select(s => HitObject.SampleControlPoint.ApplyTo(s)).ToArray();
-                    Bank = s.Bank ?? HitObject.SampleControlPoint.SampleBank,
+                foreach (var s in samples)
-                    Name = s.Name,
+                    s.Namespace = SampleNamespace;
-                    Volume = s.Volume > 0 ? s.Volume : HitObject.SampleControlPoint.SampleVolume,
+
-                    Namespace = SampleNamespace
+                AddInternal(Samples = new SkinnableSound(samples));
-                }).ToArray()));
             }
         }
 
@@ -206,7 +204,6 @@ namespace osu.Game.Rulesets.Objects.Drawables
             if (AllJudged)
                 return false;
 
-            if (HasNestedHitObjects)
             foreach (var d in NestedHitObjects)
                 judgementOccurred |= d.UpdateJudgement(userTriggered);
 

osu.Game/Rulesets/Objects/Legacy/ConvertHitObjectParser.cs

@@ -6,6 +6,7 @@ using osu.Game.Rulesets.Objects.Types;
 using System;
 using System.Collections.Generic;
 using System.Globalization;
+using System.IO;
 using osu.Game.Beatmaps.Formats;
 using osu.Game.Audio;
 using System.Linq;
@@ -196,9 +197,6 @@ namespace osu.Game.Rulesets.Objects.Legacy
             var bank = (LegacyBeatmapDecoder.LegacySampleBank)Convert.ToInt32(split[0]);
             var addbank = (LegacyBeatmapDecoder.LegacySampleBank)Convert.ToInt32(split[1]);
 
-            // Let's not implement this for now, because this doesn't fit nicely into the bank structure
-            //string sampleFile = split2.Length > 4 ? split2[4] : string.Empty;
-
             string stringBank = bank.ToString().ToLower();
             if (stringBank == @"none")
                 stringBank = null;
@@ -211,6 +209,8 @@ namespace osu.Game.Rulesets.Objects.Legacy
 
             if (split.Length > 3)
                 bankInfo.Volume = int.Parse(split[3]);
+
+            bankInfo.Filename = split.Length > 4 ? split[4] : null;
         }
 
         /// <summary>
@@ -252,6 +252,10 @@ namespace osu.Game.Rulesets.Objects.Legacy
 
         private List<SampleInfo> convertSoundType(LegacySoundType type, SampleBankInfo bankInfo)
         {
+            // Todo: This should return the normal SampleInfos if the specified sample file isn't found, but that's a pretty edge-case scenario
+            if (!string.IsNullOrEmpty(bankInfo.Filename))
+                return new List<SampleInfo> { new FileSampleInfo { Filename = bankInfo.Filename } };
+
             var soundTypes = new List<SampleInfo>
             {
                 new SampleInfo
@@ -297,14 +301,24 @@ namespace osu.Game.Rulesets.Objects.Legacy
 
         private class SampleBankInfo
         {
+            public string Filename;
+
             public string Normal;
             public string Add;
             public int Volume;
 
-            public SampleBankInfo Clone()
+            public SampleBankInfo Clone() => (SampleBankInfo)MemberwiseClone();
-            {
-                return (SampleBankInfo)MemberwiseClone();
         }
+
+        private class FileSampleInfo : SampleInfo
+        {
+            public string Filename;
+
+            public override IEnumerable<string> LookupNames => new[]
+            {
+                Filename,
+                Path.ChangeExtension(Filename, null)
+            };
         }
 
         [Flags]

osu.Game/Rulesets/Ruleset.cs

@@ -57,8 +57,18 @@ namespace osu.Game.Rulesets
         /// <returns></returns>
         public abstract RulesetContainer CreateRulesetContainerWith(WorkingBeatmap beatmap);
 
+        /// <summary>
+        /// Creates a <see cref="IBeatmapConverter"/> to convert a <see cref="IBeatmap"/> to one that is applicable for this <see cref="Ruleset"/>.
+        /// </summary>
+        /// <param name="beatmap">The <see cref="IBeatmap"/> to be converted.</param>
+        /// <returns>The <see cref="IBeatmapConverter"/>.</returns>
         public abstract IBeatmapConverter CreateBeatmapConverter(IBeatmap beatmap);
 
+        /// <summary>
+        /// Optionally creates a <see cref="IBeatmapProcessor"/> to alter a <see cref="IBeatmap"/> after it has been converted.
+        /// </summary>
+        /// <param name="beatmap">The <see cref="IBeatmap"/> to be processed.</param>
+        /// <returns>The <see cref="IBeatmapProcessor"/>.</returns>
         public virtual IBeatmapProcessor CreateBeatmapProcessor(IBeatmap beatmap) => null;
 
         public abstract DifficultyCalculator CreateDifficultyCalculator(WorkingBeatmap beatmap);

osu.Game/Rulesets/RulesetStore.cs

@@ -84,7 +84,13 @@ namespace osu.Game.Rulesets
                 {
                     try
                     {
-                        var instanceInfo = ((Ruleset)Activator.CreateInstance(Type.GetType(r.InstantiationInfo), (RulesetInfo)null)).RulesetInfo;
+                        var instanceInfo = ((Ruleset)Activator.CreateInstance(Type.GetType(r.InstantiationInfo, asm =>
+                        {
+                            // for the time being, let's ignore the version being loaded.
+                            // this allows for debug builds to successfully load rulesets (even though debug rulesets have a 0.0.0 version).
+                            asm.Version = null;
+                            return Assembly.Load(asm);
+                        }, null), (RulesetInfo)null)).RulesetInfo;
 
                         r.Name = instanceInfo.Name;
                         r.ShortName = instanceInfo.ShortName;

osu.Game/Rulesets/Scoring/ScoreProcessor.cs

@@ -261,14 +261,20 @@ namespace osu.Game.Rulesets.Scoring
                         break;
                 }
 
-                baseScore += judgement.NumericResult;
-                rollingMaxBaseScore += judgement.MaxNumericResult;
-
                 JudgedHits++;
             }
-            else if (judgement.IsHit)
+
+            if (judgement.IsBonus)
+            {
+                if (judgement.IsHit)
                     bonusScore += judgement.NumericResult;
             }
+            else
+            {
+                baseScore += judgement.NumericResult;
+                rollingMaxBaseScore += judgement.MaxNumericResult;
+            }
+        }
 
         /// <summary>
         /// Removes a judgement. This should reverse everything in <see cref="OnNewJudgement(Judgement)"/>.
@@ -280,14 +286,18 @@ namespace osu.Game.Rulesets.Scoring
             HighestCombo.Value = judgement.HighestComboAtJudgement;
 
             if (judgement.AffectsCombo)
+                JudgedHits--;
+
+            if (judgement.IsBonus)
+            {
+                if (judgement.IsHit)
+                    bonusScore -= judgement.NumericResult;
+            }
+            else
             {
                 baseScore -= judgement.NumericResult;
                 rollingMaxBaseScore -= judgement.MaxNumericResult;
-
-                JudgedHits--;
             }
-            else if (judgement.IsHit)
-                bonusScore -= judgement.NumericResult;
         }
 
         private void updateScore()

osu.Game/Rulesets/UI/Scrolling/ScrollingPlayfield.cs

@@ -4,30 +4,33 @@
 using osu.Framework.Allocation;
 using osu.Framework.Configuration;
 using osu.Framework.Graphics;
-using osu.Framework.Input;
+using osu.Framework.Input.Bindings;
+using osu.Game.Input.Bindings;
 using osu.Game.Rulesets.Objects.Drawables;
-using OpenTK.Input;
 
 namespace osu.Game.Rulesets.UI.Scrolling
 {
     /// <summary>
     /// A type of <see cref="Playfield"/> specialized towards scrolling <see cref="DrawableHitObject"/>s.
     /// </summary>
-    public abstract class ScrollingPlayfield : Playfield
+    public abstract class ScrollingPlayfield : Playfield, IKeyBindingHandler<GlobalAction>
     {
         /// <summary>
         /// The default span of time visible by the length of the scrolling axes.
         /// This is clamped between <see cref="time_span_min"/> and <see cref="time_span_max"/>.
         /// </summary>
         private const double time_span_default = 1500;
+
         /// <summary>
         /// The minimum span of time that may be visible by the length of the scrolling axes.
         /// </summary>
         private const double time_span_min = 50;
+
         /// <summary>
         /// The maximum span of time that may be visible by the length of the scrolling axes.
         /// </summary>
         private const double time_span_max = 10000;
+
         /// <summary>
         /// The step increase/decrease of the span of time visible by the length of the scrolling axes.
         /// </summary>
@@ -78,27 +81,26 @@ namespace osu.Game.Rulesets.UI.Scrolling
             HitObjects.TimeRange.BindTo(VisibleTimeRange);
         }
 
-        protected override bool OnKeyDown(InputState state, KeyDownEventArgs args)
+        public bool OnPressed(GlobalAction action)
         {
             if (!UserScrollSpeedAdjustment)
                 return false;
 
-            if (state.Keyboard.ControlPressed)
+            switch (action)
             {
-                switch (args.Key)
+                case GlobalAction.IncreaseScrollSpeed:
-                {
+                    this.TransformBindableTo(VisibleTimeRange, VisibleTimeRange - time_span_step, 200, Easing.OutQuint);
-                    case Key.Minus:
+                    return true;
-                        this.TransformBindableTo(VisibleTimeRange, VisibleTimeRange + time_span_step, 600, Easing.OutQuint);
+                case GlobalAction.DecreaseScrollSpeed:
-                        break;
+                    this.TransformBindableTo(VisibleTimeRange, VisibleTimeRange + time_span_step, 200, Easing.OutQuint);
-                    case Key.Plus:
+                    return true;
-                        this.TransformBindableTo(VisibleTimeRange, VisibleTimeRange - time_span_step, 600, Easing.OutQuint);
-                        break;
-                }
             }
 
             return false;
         }
 
+        public bool OnReleased(GlobalAction action) => false;
+
         protected sealed override HitObjectContainer CreateHitObjectContainer()
         {
             var container = new ScrollingHitObjectContainer();

osu.Game/Rulesets/UI/Scrolling/Visualisers/OverlappingSpeedChangeVisualiser.cs

@@ -47,15 +47,12 @@ namespace osu.Game.Rulesets.UI.Scrolling.Visualisers
                     }
                 }
 
-                if (obj.HasNestedHitObjects)
-                {
                 ComputeInitialStates(obj.NestedHitObjects, direction, timeRange, length);
 
                 // Nested hitobjects don't need to scroll, but they do need accurate positions
                 UpdatePositions(obj.NestedHitObjects, direction, obj.HitObject.StartTime, timeRange, length);
             }
         }
-        }
 
         public void UpdatePositions(IEnumerable<DrawableHitObject> hitObjects, ScrollingDirection direction, double currentTime, double timeRange, Vector2 length)
         {

osu.Game/Rulesets/UI/Scrolling/Visualisers/SequentialSpeedChangeVisualiser.cs

@@ -48,15 +48,12 @@ namespace osu.Game.Rulesets.UI.Scrolling.Visualisers
                     }
                 }
 
-                if (obj.HasNestedHitObjects)
-                {
                 ComputeInitialStates(obj.NestedHitObjects, direction, timeRange, length);
 
                 // Nested hitobjects don't need to scroll, but they do need accurate positions
                 UpdatePositions(obj.NestedHitObjects, direction, obj.HitObject.StartTime, timeRange, length);
             }
         }
-        }
 
         public void UpdatePositions(IEnumerable<DrawableHitObject> hitObjects, ScrollingDirection direction, double currentTime, double timeRange, Vector2 length)
         {

osu.Game/Screens/BackgroundScreen.cs

@@ -40,8 +40,15 @@ namespace osu.Game.Screens
             while (screen.LoadState < LoadState.Ready)
                 Thread.Sleep(1);
 
+            try
+            {
                 base.Push(screen);
             }
+            catch (ScreenAlreadyExitedException)
+            {
+                // screen may have exited before the push was successful.
+            }
+        }
 
         protected override void Update()
         {

osu.Game/Screens/Menu/ButtonSystem.cs

@@ -148,8 +148,6 @@ namespace osu.Game.Screens.Menu
                 case Key.Space:
                     logo?.TriggerOnClick(state);
                     return true;
-                case Key.Escape:
-                    return goBack();
             }
 
             return false;
@@ -181,16 +179,7 @@ namespace osu.Game.Screens.Menu
             }
         }
 
-        public bool OnReleased(GlobalAction action)
+        public bool OnReleased(GlobalAction action) => false;
-        {
-            switch (action)
-            {
-                case GlobalAction.Back:
-                    return true;
-                default:
-                    return false;
-            }
-        }
 
         private void onPlay()
         {

osu.Game/Screens/Menu/ExitConfirmOverlay.cs

@@ -1,34 +1,34 @@
 // Copyright (c) 2007-2018 ppy Pty Ltd <contact@ppy.sh>.
 // Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
 
-using osu.Framework.Input;
+using osu.Framework.Input.Bindings;
+using osu.Game.Input.Bindings;
 using osu.Game.Overlays;
-using OpenTK.Input;
 
 namespace osu.Game.Screens.Menu
 {
-    public class ExitConfirmOverlay : HoldToConfirmOverlay
+    public class ExitConfirmOverlay : HoldToConfirmOverlay, IKeyBindingHandler<GlobalAction>
     {
-        protected override bool OnKeyDown(InputState state, KeyDownEventArgs args)
+        public bool OnPressed(GlobalAction action)
         {
-            if (args.Key == Key.Escape && !args.Repeat)
+            if (action == GlobalAction.Back)
             {
                 BeginConfirm();
                 return true;
             }
 
-            return base.OnKeyDown(state, args);
+            return false;
         }
 
-        protected override bool OnKeyUp(InputState state, KeyUpEventArgs args)
+        public bool OnReleased(GlobalAction action)
         {
-            if (args.Key == Key.Escape)
+            if (action == GlobalAction.Back)
             {
                 AbortConfirm();
                 return true;
             }
 
-            return base.OnKeyUp(state, args);
+            return false;
         }
     }
 }

osu.Game/Screens/OsuScreen.cs

@@ -8,7 +8,6 @@ using osu.Framework.Audio;
 using osu.Framework.Audio.Sample;
 using osu.Framework.Configuration;
 using osu.Framework.Graphics;
-using osu.Framework.Input;
 using osu.Framework.Input.Bindings;
 using osu.Framework.Screens;
 using osu.Game.Beatmaps;
@@ -17,7 +16,6 @@ using osu.Game.Input.Bindings;
 using osu.Game.Rulesets;
 using osu.Game.Screens.Menu;
 using OpenTK;
-using OpenTK.Input;
 using osu.Game.Overlays;
 using osu.Framework.Graphics.Containers;
 
@@ -82,22 +80,21 @@ namespace osu.Game.Screens
         private SampleChannel sampleExit;
 
         [BackgroundDependencyLoader(true)]
-        private void load(BindableBeatmap beatmap, OsuGame osuGame, AudioManager audio)
+        private void load(BindableBeatmap beatmap, OsuGame osu, AudioManager audio, Bindable<RulesetInfo> ruleset)
         {
-            if (beatmap != null)
             Beatmap.BindTo(beatmap);
+            Ruleset.BindTo(ruleset);
 
-            if (osuGame != null)
+            if (osu != null)
             {
-                Ruleset.BindTo(osuGame.Ruleset);
+                OverlayActivationMode.BindTo(osu.OverlayActivationMode);
-                OverlayActivationMode.BindTo(osuGame.OverlayActivationMode);
 
                 updateOverlayStates = () =>
                 {
                     if (HideOverlaysOnEnter)
-                        osuGame.CloseAllOverlays();
+                        osu.CloseAllOverlays();
                     else
-                        osuGame.Toolbar.State = Visibility.Visible;
+                        osu.Toolbar.State = Visibility.Visible;
                 };
             }
 
@@ -106,6 +103,8 @@ namespace osu.Game.Screens
 
         public bool OnPressed(GlobalAction action)
         {
+            if (!IsCurrentScreen) return false;
+
             if (action == GlobalAction.Back && AllowBackButton)
             {
                 Exit();
@@ -117,20 +116,6 @@ namespace osu.Game.Screens
 
         public bool OnReleased(GlobalAction action) => action == GlobalAction.Back && AllowBackButton;
 
-        protected override bool OnKeyDown(InputState state, KeyDownEventArgs args)
-        {
-            if (args.Repeat || !IsCurrentScreen) return false;
-
-            switch (args.Key)
-            {
-                case Key.Escape:
-                    Exit();
-                    return true;
-            }
-
-            return base.OnKeyDown(state, args);
-        }
-
         protected override void OnResuming(Screen last)
         {
             sampleExit?.Play();
@@ -195,11 +180,10 @@ namespace osu.Game.Screens
 
             if (Background != null && !Background.Equals(nextOsu?.Background))
             {
-                if (nextOsu != null)
-                    //We need to use MakeCurrent in case we are jumping up multiple game screens.
-                    nextOsu.Background?.MakeCurrent();
-                else
                 Background.Exit();
+
+                //We need to use MakeCurrent in case we are jumping up multiple game screens.
+                nextOsu?.Background?.MakeCurrent();
             }
 
             if (base.OnExiting(next))

osu.Game/Screens/Play/FailOverlay.cs

@@ -1,12 +1,9 @@
 // Copyright (c) 2007-2018 ppy Pty Ltd <contact@ppy.sh>.
 // Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
 
-using osu.Framework.Input;
-using OpenTK.Input;
 using osu.Game.Graphics;
 using OpenTK.Graphics;
 using osu.Framework.Allocation;
-using System.Linq;
 
 namespace osu.Game.Screens.Play
 {
@@ -21,16 +18,5 @@ namespace osu.Game.Screens.Play
             AddButton("Retry", colours.YellowDark, () => OnRetry?.Invoke());
             AddButton("Quit", new Color4(170, 27, 39, 255), () => OnQuit?.Invoke());
         }
-
-        protected override bool OnKeyDown(InputState state, KeyDownEventArgs args)
-        {
-            if (!args.Repeat && args.Key == Key.Escape)
-            {
-                InternalButtons.Children.Last().TriggerOnClick();
-                return true;
-            }
-
-            return base.OnKeyDown(state, args);
-        }
     }
 }

osu.Game/Screens/Play/GameplayMenuOverlay.cs

@@ -15,10 +15,13 @@ using osu.Game.Graphics.UserInterface;
 using osu.Framework.Graphics.Shapes;
 using OpenTK.Input;
 using System.Collections.Generic;
+using System.Linq;
+using osu.Framework.Input.Bindings;
+using osu.Game.Input.Bindings;
 
 namespace osu.Game.Screens.Play
 {
-    public abstract class GameplayMenuOverlay : OverlayContainer
+    public abstract class GameplayMenuOverlay : OverlayContainer, IKeyBindingHandler<GlobalAction>
     {
         private const int transition_duration = 200;
         private const int button_height = 70;
@@ -31,6 +34,11 @@ namespace osu.Game.Screens.Play
         public Action OnRetry;
         public Action OnQuit;
 
+        /// <summary>
+        /// Action that is invoked when <see cref="GlobalAction.Back"/> is triggered.
+        /// </summary>
+        protected virtual Action BackAction => () => InternalButtons.Children.Last().TriggerOnClick();
+
         public abstract string Header { get; }
         public abstract string Description { get; }
 
@@ -219,6 +227,19 @@ namespace osu.Game.Screens.Play
             return base.OnKeyDown(state, args);
         }
 
+        public bool OnPressed(GlobalAction action)
+        {
+            if (action == GlobalAction.Back)
+            {
+                BackAction.Invoke();
+                return true;
+            }
+
+            return false;
+        }
+
+        public bool OnReleased(GlobalAction action) => action == GlobalAction.Back;
+
         private void buttonSelectionChanged(DialogButton button, bool isSelected)
         {
             if (!isSelected)

osu.Game/Screens/Play/PauseContainer.cs

@@ -6,11 +6,9 @@ using System.Linq;
 using osu.Framework.Allocation;
 using osu.Framework.Graphics;
 using osu.Framework.Graphics.Containers;
-using osu.Framework.Input;
 using osu.Framework.Timing;
 using osu.Game.Graphics;
 using OpenTK.Graphics;
-using OpenTK.Input;
 
 namespace osu.Game.Screens.Play
 {
@@ -138,16 +136,7 @@ namespace osu.Game.Screens.Play
             public override string Header => "paused";
             public override string Description => "you're not going to do what i think you're going to do, are ya?";
 
-            protected override bool OnKeyDown(InputState state, KeyDownEventArgs args)
+            protected override Action BackAction => () => InternalButtons.Children.First().TriggerOnClick();
-            {
-                if (!args.Repeat && args.Key == Key.Escape)
-                {
-                    InternalButtons.Children.First().TriggerOnClick();
-                    return true;
-                }
-
-                return base.OnKeyDown(state, args);
-            }
 
             [BackgroundDependencyLoader]
             private void load(OsuColour colours)

osu.Game/Screens/Play/Player.cs

@@ -49,8 +49,6 @@ namespace osu.Game.Screens.Play
         public bool AllowLeadIn { get; set; } = true;
         public bool AllowResults { get; set; } = true;
 
-        protected override bool AllowBackButton => false;
-
         private Bindable<bool> mouseWheelDisabled;
         private Bindable<double> userAudioOffset;
 
@@ -158,6 +156,7 @@ namespace osu.Game.Screens.Play
             userAudioOffset.TriggerChange();
 
             ScoreProcessor = RulesetContainer.CreateScoreProcessor();
+            if (!ScoreProcessor.Mode.Disabled)
                 config.BindWith(OsuSetting.ScoreDisplayMode, ScoreProcessor.Mode);
 
             Children = new Drawable[]

osu.Game/Screens/Select/BeatmapInfoWedge.cs

@@ -53,10 +53,9 @@ namespace osu.Game.Screens.Select
         }
 
         [BackgroundDependencyLoader(true)]
-        private void load([CanBeNull] OsuGame osuGame)
+        private void load([CanBeNull] Bindable<RulesetInfo> parentRuleset)
         {
-            if (osuGame != null)
+            ruleset.BindTo(parentRuleset);
-                ruleset.BindTo(osuGame.Ruleset);
             ruleset.ValueChanged += _ => updateDisplay();
         }
 

osu.Game/Screens/Select/FilterControl.cs

@@ -29,6 +29,7 @@ namespace osu.Game.Screens.Select
         private readonly TabControl<GroupMode> groupTabs;
 
         private SortMode sort = SortMode.Title;
+
         public SortMode Sort
         {
             get { return sort; }
@@ -43,6 +44,7 @@ namespace osu.Game.Screens.Select
         }
 
         private GroupMode group = GroupMode.All;
+
         public GroupMode Group
         {
             get { return group; }
@@ -62,14 +64,15 @@ namespace osu.Game.Screens.Select
             Sort = sort,
             SearchText = searchTextBox.Text,
             AllowConvertedBeatmaps = showConverted,
-            Ruleset = ruleset
+            Ruleset = ruleset.Value
         };
 
         public Action Exit;
 
         private readonly SearchTextBox searchTextBox;
 
-        public override bool ReceiveMouseInputAt(Vector2 screenSpacePos) => base.ReceiveMouseInputAt(screenSpacePos) || groupTabs.ReceiveMouseInputAt(screenSpacePos) || sortTabs.ReceiveMouseInputAt(screenSpacePos);
+        public override bool ReceiveMouseInputAt(Vector2 screenSpacePos) =>
+            base.ReceiveMouseInputAt(screenSpacePos) || groupTabs.ReceiveMouseInputAt(screenSpacePos) || sortTabs.ReceiveMouseInputAt(screenSpacePos);
 
         public FilterControl()
         {
@@ -163,24 +166,22 @@ namespace osu.Game.Screens.Select
             searchTextBox.HoldFocus = true;
         }
 
-        private readonly Bindable<RulesetInfo> ruleset = new Bindable<RulesetInfo>();
+        private readonly IBindable<RulesetInfo> ruleset = new Bindable<RulesetInfo>();
 
         private Bindable<bool> showConverted;
 
         public readonly Box Background;
 
         [BackgroundDependencyLoader(permitNulls: true)]
-        private void load(OsuColour colours, OsuGame osu, OsuConfigManager config)
+        private void load(OsuColour colours, IBindable<RulesetInfo> parentRuleset, OsuConfigManager config)
         {
             sortTabs.AccentColour = colours.GreenLight;
 
             showConverted = config.GetBindable<bool>(OsuSetting.ShowConvertedBeatmaps);
             showConverted.ValueChanged += val => updateCriteria();
 
-            if (osu != null)
+            ruleset.BindTo(parentRuleset);
-                ruleset.BindTo(osu.Ruleset);
+            ruleset.BindValueChanged(val => updateCriteria(), true);
-            ruleset.ValueChanged += val => updateCriteria();
-            ruleset.TriggerChange();
         }
 
         private void updateCriteria() => FilterChanged?.Invoke(CreateCriteria());

osu.Game/Screens/Select/FooterButton.cs

@@ -55,6 +55,8 @@ namespace osu.Game.Screens.Select
         private readonly Box box;
         private readonly Box light;
 
+        public override bool ReceiveMouseInputAt(Vector2 screenSpacePos) => box.ReceiveMouseInputAt(screenSpacePos);
+
         public FooterButton()
         {
             Children = new Drawable[]

osu.Game/Screens/Select/Leaderboards/Leaderboard.cs

@@ -19,7 +19,6 @@ using osu.Game.Online.API;
 using osu.Game.Online.API.Requests;
 using System.Linq;
 using osu.Framework.Configuration;
-using osu.Framework.Logging;
 using osu.Game.Rulesets;
 
 namespace osu.Game.Screens.Select.Leaderboards
@@ -33,7 +32,7 @@ namespace osu.Game.Screens.Select.Leaderboards
 
         private FillFlowContainer<LeaderboardScore> scrollFlow;
 
-        private readonly Bindable<RulesetInfo> ruleset = new Bindable<RulesetInfo>();
+        private readonly IBindable<RulesetInfo> ruleset = new Bindable<RulesetInfo>();
 
         public Action<Score> ScoreSelected;
 
@@ -41,7 +40,10 @@ namespace osu.Game.Screens.Select.Leaderboards
 
         private ScheduledDelegate showScoresDelegate;
 
+        private bool scoresLoadedOnce;
+
         private IEnumerable<Score> scores;
+
         public IEnumerable<Score> Scores
         {
             get { return scores; }
@@ -49,6 +51,8 @@ namespace osu.Game.Screens.Select.Leaderboards
             {
                 scores = value;
 
+                scoresLoadedOnce = true;
+
                 scrollFlow?.FadeOut(fade_duration, Easing.OutQuint).Expire();
                 scrollFlow = null;
 
@@ -174,9 +178,8 @@ namespace osu.Game.Screens.Select.Leaderboards
 
         private APIAccess api;
         private BeatmapInfo beatmap;
-        private OsuGame osuGame;
 
-        private ScheduledDelegate pendingBeatmapSwitch;
+        private ScheduledDelegate pendingUpdateScores;
 
         public BeatmapInfo Beatmap
         {
@@ -189,21 +192,17 @@ namespace osu.Game.Screens.Select.Leaderboards
                 beatmap = value;
                 Scores = null;
 
-                pendingBeatmapSwitch?.Cancel();
+                updateScores();
-                pendingBeatmapSwitch = Schedule(updateScores);
             }
         }
 
         [BackgroundDependencyLoader(permitNulls: true)]
-        private void load(APIAccess api, OsuGame osuGame)
+        private void load(APIAccess api, IBindable<RulesetInfo> parentRuleset)
         {
             this.api = api;
-            this.osuGame = osuGame;
 
-            if (osuGame != null)
+            ruleset.BindTo(parentRuleset);
-                ruleset.BindTo(osuGame.Ruleset);
+            ruleset.ValueChanged += _ => updateScores();
-
-            ruleset.ValueChanged += r => updateScores();
 
             if (api != null)
                 api.OnStateChange += handleApiStateChange;
@@ -230,6 +229,16 @@ namespace osu.Game.Screens.Select.Leaderboards
         }
 
         private void updateScores()
+        {
+            // don't display any scores or placeholder until the first Scores_Set has been called.
+            // this avoids scope changes flickering a "no scores" placeholder before initialisation of song select is finished.
+            if (!scoresLoadedOnce) return;
+
+            getScoresRequest?.Cancel();
+            getScoresRequest = null;
+
+            pendingUpdateScores?.Cancel();
+            pendingUpdateScores = Schedule(() =>
             {
                 if (Scope == LeaderboardScope.Local)
                 {
@@ -259,7 +268,7 @@ namespace osu.Game.Screens.Select.Leaderboards
                 PlaceholderState = PlaceholderState.Retrieving;
                 loading.Show();
 
-            getScoresRequest = new GetScoresRequest(Beatmap, osuGame?.Ruleset.Value ?? Beatmap.Ruleset, Scope);
+                getScoresRequest = new GetScoresRequest(Beatmap, ruleset.Value ?? Beatmap.Ruleset, Scope);
                 getScoresRequest.Success += r => Schedule(() =>
                 {
                     Scores = r.Scores;
@@ -272,10 +281,10 @@ namespace osu.Game.Screens.Select.Leaderboards
                         return;
 
                     PlaceholderState = PlaceholderState.NetworkFailure;
-                Logger.Error(e, @"Couldn't fetch beatmap scores!");
                 });
 
                 api.Queue(getScoresRequest);
+            });
         }
 
         private Placeholder currentPlaceholder;

osu.Game/Screens/Select/SongSelect.cs

@@ -8,6 +8,7 @@ using osu.Framework.Allocation;
 using osu.Framework.Audio;
 using osu.Framework.Audio.Sample;
 using osu.Framework.Audio.Track;
+using osu.Framework.Configuration;
 using osu.Framework.Graphics;
 using osu.Framework.Graphics.Containers;
 using osu.Framework.Input;
@@ -17,6 +18,7 @@ using osu.Game.Beatmaps;
 using osu.Game.Graphics;
 using osu.Game.Graphics.Containers;
 using osu.Game.Overlays;
+using osu.Game.Rulesets;
 using osu.Game.Screens.Backgrounds;
 using osu.Game.Screens.Edit;
 using osu.Game.Screens.Menu;
@@ -62,6 +64,8 @@ namespace osu.Game.Screens.Select
         private SampleChannel sampleChangeDifficulty;
         private SampleChannel sampleChangeBeatmap;
 
+        protected new readonly Bindable<RulesetInfo> Ruleset = new Bindable<RulesetInfo>();
+
         private DependencyContainer dependencies;
         protected override IReadOnlyDependencyContainer CreateLocalDependencies(IReadOnlyDependencyContainer parent)
             => dependencies = new DependencyContainer(base.CreateLocalDependencies(parent));
@@ -123,7 +127,7 @@ namespace osu.Game.Screens.Select
                                 Size = new Vector2(carousel_width, 1),
                                 Anchor = Anchor.CentreRight,
                                 Origin = Anchor.CentreRight,
-                                SelectionChanged = carouselSelectionChanged,
+                                SelectionChanged = updateSelectedBeatmap,
                                 BeatmapSetsChanged = carouselBeatmapsLoaded,
                             },
                             FilterControl = new FilterControl
@@ -177,9 +181,13 @@ namespace osu.Game.Screens.Select
         }
 
         [BackgroundDependencyLoader(true)]
-        private void load(BeatmapManager beatmaps, AudioManager audio, DialogOverlay dialog, OsuGame osu, OsuColour colours)
+        private void load(BeatmapManager beatmaps, AudioManager audio, DialogOverlay dialog, OsuColour colours)
         {
             dependencies.CacheAs(this);
+            dependencies.CacheAs(Ruleset);
+            dependencies.CacheAs<IBindable<RulesetInfo>>(Ruleset);
+
+            base.Ruleset.ValueChanged += r => updateSelectedBeatmap(beatmapNoDebounce);
 
             if (Footer != null)
             {
@@ -192,9 +200,6 @@ namespace osu.Game.Screens.Select
             if (this.beatmaps == null)
                 this.beatmaps = beatmaps;
 
-            if (osu != null)
-                Ruleset.BindTo(osu.Ruleset);
-
             this.beatmaps.ItemAdded += onBeatmapSetAdded;
             this.beatmaps.ItemRemoved += onBeatmapSetRemoved;
             this.beatmaps.BeatmapHidden += onBeatmapHidden;
@@ -250,9 +255,6 @@ namespace osu.Game.Screens.Select
 
         private ScheduledDelegate selectionChangedDebounce;
 
-        // We need to keep track of the last selected beatmap ignoring debounce to play the correct selection sounds.
-        private BeatmapInfo beatmapNoDebounce;
-
         private void workingBeatmapChanged(WorkingBeatmap beatmap)
         {
             if (beatmap is DummyWorkingBeatmap) return;
@@ -266,11 +268,17 @@ namespace osu.Game.Screens.Select
                 }
         }
 
+        // We need to keep track of the last selected beatmap ignoring debounce to play the correct selection sounds.
+        private BeatmapInfo beatmapNoDebounce;
+        private RulesetInfo rulesetNoDebounce;
+
         /// <summary>
-        /// selection has been changed as the result of interaction with the carousel.
+        /// selection has been changed as the result of a user interaction.
         /// </summary>
-        private void carouselSelectionChanged(BeatmapInfo beatmap)
+        private void updateSelectedBeatmap(BeatmapInfo beatmap)
         {
+            var ruleset = base.Ruleset.Value;
+
             void performLoad()
             {
                 // We may be arriving here due to another component changing the bindable Beatmap.
@@ -283,15 +291,18 @@ namespace osu.Game.Screens.Select
                     ensurePlayingSelected(preview);
                 }
 
+                Ruleset.Value = ruleset;
+
                 UpdateBeatmap(Beatmap.Value);
             }
 
-            if (beatmap?.Equals(beatmapNoDebounce) == true)
+            if (beatmap?.Equals(beatmapNoDebounce) == true && ruleset?.Equals(rulesetNoDebounce) == true)
                 return;
 
             selectionChangedDebounce?.Cancel();
 
             beatmapNoDebounce = beatmap;
+            rulesetNoDebounce = ruleset;
 
             if (beatmap == null)
                 performLoad();
@@ -460,7 +471,7 @@ namespace osu.Game.Screens.Select
             {
                 // in the case random selection failed, we want to trigger selectionChanged
                 // to show the dummy beatmap (we have nothing else to display).
-                carouselSelectionChanged(null);
+                updateSelectedBeatmap(null);
             }
         }
 

osu.Game/Skinning/SkinnableSound.cs

@@ -44,19 +44,17 @@ namespace osu.Game.Skinning
 
         private SampleChannel loadChannel(SampleInfo info, Func<string, SampleChannel> getSampleFunction)
         {
-            SampleChannel ch = null;
+            foreach (var lookup in info.LookupNames)
-
+            {
-            if (info.Namespace != null)
+                var ch = getSampleFunction($"Gameplay/{lookup}");
-                ch = getSampleFunction($"Gameplay/{info.Namespace}/{info.Bank}-{info.Name}");
-
-            // try without namespace as a fallback.
                 if (ch == null)
-                ch = getSampleFunction($"Gameplay/{info.Bank}-{info.Name}");
+                    continue;
 
-            if (ch != null)
                 ch.Volume.Value = info.Volume / 100.0;
-
                 return ch;
             }
+
+            return null;
+        }
     }
 }