Merge branch 'master' into fix-background-screen-crash

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)
-        {
-            if (timeOffset >= 0)
-                AddJudgement(new Judgement { Result = NestedHitObjects.Cast<DrawableCatchHitObject>().Any(n => n.Judgements.Any(j => j.IsHit)) ? HitResult.Perfect : HitResult.Miss });
-        }
+        protected override bool ProvidesJudgement => false;
 
         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
 {
@@ -58,9 +58,15 @@ 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)
         {
             base.SkinChanged(skin, 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>())
-                            AddJudgement(new CatchJudgement { Result = HitResult.Perfect });
+                        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 CatchJudgement { Result = HitResult.Perfect });
+                            AddJudgement(new CatchBananaJudgement { 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:
-                    return new DrawableBananaShower(banana, GetVisualRepresentation);
+                case BananaShower shower:
+                    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();

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)
-            : base(hitObject, action)
+        public DrawableHoldNote(HoldNote hitObject)
+            : 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)
-                : base(holdNote.HitObject.Head, action)
+            public DrawableHeadNote(DrawableHoldNote holdNote)
+                : 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)
-                : base(holdNote.HitObject.Tail, action)
+            public DrawableTailNote(DrawableHoldNote holdNote)
+                : 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>
-        where TObject : ManiaHitObject
+    public abstract class DrawableManiaHitObject : DrawableHitObject<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; }
-
-        public new TObject HitObject;
+        protected readonly IBindable<ManiaAction> Action = new Bindable<ManiaAction>();
 
         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]
-        private void load(IScrollingInfo scrollingInfo)
+        [BackgroundDependencyLoader(true)]
+        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)
-            : base(hitObject, action)
+        public DrawableNote(Note hitObject)
+            : 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 ManiaAction Action
-        {
-            get => action;
-            set
-            {
-                if (action == value)
-                    return;
-                action = value;
-
-                background.Action = value;
-                keyArea.Action = value;
-            }
-        }
+        public readonly Bindable<ManiaAction> Action = new Bindable<ManiaAction>();
 
         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

@@ -101,17 +101,15 @@ namespace osu.Game.Rulesets.Mania.UI
 
         protected override DrawableHitObject<ManiaHitObject> GetVisualRepresentation(ManiaHitObject h)
         {
-            ManiaAction action = Playfield.Columns.ElementAt(h.Column).Action;
-
-            var holdNote = h as HoldNote;
-            if (holdNote != null)
-                return new DrawableHoldNote(holdNote, action);
-
-            var note = h as Note;
-            if (note != null)
-                return new DrawableNote(note, action);
-
-            return null;
+            switch (h)
+            {
+                case HoldNote holdNote:
+                    return new DrawableHoldNote(holdNote);
+                case Note note:
+                    return new DrawableNote(note);
+                default:
+                    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

@@ -93,7 +93,6 @@ 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

@@ -93,6 +93,9 @@ 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;
             }
         }
 

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

@@ -54,9 +54,9 @@ namespace osu.Game.Rulesets.Osu.Objects
 
         public virtual bool NewCombo { get; set; }
 
-        public int IndexInCurrentCombo { get; set; }
+        public virtual int IndexInCurrentCombo { get; set; }
 
-        public int ComboIndex { get; set; }
+        public virtual int ComboIndex { get; set; }
 
         public bool LastInCombo { get; set; }
 

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

@@ -26,6 +26,28 @@ namespace osu.Game.Rulesets.Osu.Objects
         public Vector2 StackedPositionAt(double t) => StackedPosition + this.CurvePositionAt(t);
         public override Vector2 EndPosition => Position + this.CurvePositionAt(1);
 
+        public override int ComboIndex
+        {
+            get => base.ComboIndex;
+            set
+            {
+                base.ComboIndex = value;
+                foreach (var n in NestedHitObjects.OfType<IHasComboInformation>())
+                    n.ComboIndex = value;
+            }
+        }
+
+        public override int IndexInCurrentCombo
+        {
+            get => base.IndexInCurrentCombo;
+            set
+            {
+                base.IndexInCurrentCombo = value;
+                foreach (var n in NestedHitObjects.OfType<IHasComboInformation>())
+                    n.IndexInCurrentCombo = value;
+            }
+        }
+
         public SliderCurve Curve { get; } = new SliderCurve();
 
         public List<Vector2> ControlPoints
@@ -147,7 +169,8 @@ namespace osu.Game.Rulesets.Osu.Objects
                     var distanceProgress = d / length;
                     var timeProgress = reversed ? 1 - distanceProgress : distanceProgress;
 
-                    var firstSample = Samples.FirstOrDefault(s => s.Name == SampleInfo.HIT_NORMAL) ?? Samples.FirstOrDefault(); // TODO: remove this when guaranteed sort is present for samples (https://github.com/ppy/osu/issues/1933)
+                    var firstSample = Samples.FirstOrDefault(s => s.Name == SampleInfo.HIT_NORMAL)
+                                      ?? Samples.FirstOrDefault(); // TODO: remove this when guaranteed sort is present for samples (https://github.com/ppy/osu/issues/1933)
                     var sampleList = new List<SampleInfo>();
 
                     if (firstSample != null)

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/Visual/TestCaseLeaderboard.cs

@@ -1,6 +1,8 @@
 // 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.Collections.Generic;
 using System.ComponentModel;
 using osu.Framework.Graphics;
 using osu.Game.Rulesets.Scoring;
@@ -17,6 +19,12 @@ namespace osu.Game.Tests.Visual
     [Description("PlaySongSelect leaderboard")]
     public class TestCaseLeaderboard : OsuTestCase
     {
+        public override IReadOnlyList<Type> RequiredTypes => new[] {
+            typeof(Placeholder),
+            typeof(MessagePlaceholder),
+            typeof(RetrievalFailurePlaceholder),
+        };
+
         private RulesetStore rulesets;
 
         private readonly FailableLeaderboard leaderboard;

osu.Game/Beatmaps/BeatmapInfo.cs

@@ -66,8 +66,8 @@ namespace osu.Game.Beatmaps
 
         // General
         public int AudioLeadIn { get; set; }
-        public bool Countdown { get; set; }
-        public float StackLeniency { get; set; }
+        public bool Countdown { get; set; } = true;
+        public float StackLeniency { get; set; } = 0.7f;
         public bool SpecialStyle { get; set; }
 
         public int RulesetID { get; set; }

osu.Game/Beatmaps/BeatmapManager.cs

@@ -138,7 +138,7 @@ namespace osu.Game.Beatmaps
                 PostNotification?.Invoke(new SimpleNotification
                 {
                     Icon = FontAwesome.fa_superpowers,
-                    Text = "You gotta be a supporter to download for now 'yo"
+                    Text = "You gotta be an osu!supporter to download for now 'yo"
                 });
                 return;
             }

osu.Game/Beatmaps/BeatmapManager_WorkingBeatmap.cs

@@ -69,11 +69,22 @@ namespace osu.Game.Beatmaps
                 }
                 catch
                 {
-                    return new TrackVirtual();
+                    return null;
                 }
             }
 
-            protected override Waveform GetWaveform() => new Waveform(store.GetStream(getPathForFile(Metadata.AudioFile)));
+            protected override Waveform GetWaveform()
+            {
+                try
+                {
+                    var trackData = store.GetStream(getPathForFile(Metadata.AudioFile));
+                    return trackData == null ? null : new Waveform(trackData);
+                }
+                catch
+                {
+                    return null;
+                }
+            }
 
             protected override Storyboard GetStoryboard()
             {

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.
-        /// <para>
-        /// An example of such a usage is for combo colours.
-        /// </para>
-        /// </summary>
-        void PostProcess();
-    }
-
     /// <summary>
-    /// Processes a post-converted Beatmap.
+    /// Provides functionality to alter a <see cref="IBeatmap"/> after it has been converted.
     /// </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>
-        /// 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()
+        public virtual void PreProcess()
         {
             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/DummyWorkingBeatmap.cs

@@ -45,7 +45,7 @@ namespace osu.Game.Beatmaps
 
         protected override Texture GetBackground() => game?.Textures.Get(@"Backgrounds/bg4");
 
-        protected override Track GetTrack() => new TrackVirtual();
+        protected override Track GetTrack() => new TrackVirtual { Length = 1000 };
 
         private class DummyRulesetInfo : RulesetInfo
         {

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

@@ -19,7 +19,7 @@ using osu.Game.Skinning;
 
 namespace osu.Game.Beatmaps
 {
-    public abstract class WorkingBeatmap : IDisposable
+    public abstract partial class WorkingBeatmap : IDisposable
     {
         public readonly BeatmapInfo BeatmapInfo;
 
@@ -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
-            rulesetInstance.CreateBeatmapProcessor(converted)?.PostProcess();
+            processor?.PostProcess();
 
             return converted;
         }
@@ -145,7 +148,7 @@ namespace osu.Game.Beatmaps
         private Track populateTrack()
         {
             // we want to ensure that we always have a track, even if it's a fake one.
-            var t = GetTrack() ?? new TrackVirtual();
+            var t = GetTrack() ?? new VirtualBeatmapTrack(Beatmap);
             applyRateAdjustments(t);
             return t;
         }

osu.Game/Beatmaps/WorkingBeatmap_VirtualBeatmapTrack.cs

@@ -0,0 +1,38 @@
+// 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.Linq;
+using osu.Framework.Audio.Track;
+using osu.Game.Rulesets.Objects.Types;
+
+namespace osu.Game.Beatmaps
+{
+    public partial class WorkingBeatmap
+    {
+        /// <summary>
+        /// A type of <see cref="TrackVirtual"/> which provides a valid length based on the <see cref="HitObject"/>s of an <see cref="IBeatmap"/>.
+        /// </summary>
+        protected class VirtualBeatmapTrack : TrackVirtual
+        {
+            private const double excess_length = 1000;
+
+            public VirtualBeatmapTrack(IBeatmap beatmap)
+            {
+                var lastObject = beatmap.HitObjects.LastOrDefault();
+
+                switch (lastObject)
+                {
+                    case null:
+                        Length = excess_length;
+                        break;
+                    case IHasEndTime endTime:
+                        Length = endTime.EndTime + excess_length;
+                        break;
+                    default:
+                        Length = lastObject.StartTime + excess_length;
+                        break;
+                }
+            }
+        }
+    }
+}

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/Containers/OsuTextFlowContainer.cs

@@ -2,6 +2,7 @@
 // Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
 
 using System;
+using osu.Framework.Graphics;
 using osu.Framework.Graphics.Containers;
 using osu.Framework.Graphics.Sprites;
 using osu.Game.Graphics.Sprites;
@@ -16,6 +17,8 @@ namespace osu.Game.Graphics.Containers
 
         protected override SpriteText CreateSpriteText() => new OsuSpriteText();
 
+        public void AddArbitraryDrawable(Drawable drawable) => AddInternal(drawable);
+
         public void AddIcon(FontAwesome icon, Action<SpriteText> creationParameters = null) => AddText(((char)icon).ToString(), creationParameters);
     }
 }

osu.Game/Graphics/DrawableDate.cs

@@ -12,14 +12,14 @@ namespace osu.Game.Graphics
 {
     public class DrawableDate : OsuSpriteText, IHasTooltip
     {
-        private readonly DateTimeOffset date;
+        protected readonly DateTimeOffset Date;
 
         public DrawableDate(DateTimeOffset date)
         {
             AutoSizeAxes = Axes.Both;
             Font = "Exo2.0-RegularItalic";
 
-            this.date = date.ToLocalTime();
+            Date = date.ToLocalTime();
         }
 
         [BackgroundDependencyLoader]
@@ -38,7 +38,7 @@ namespace osu.Game.Graphics
         {
             updateTime();
 
-            var diffToNow = DateTimeOffset.Now.Subtract(date);
+            var diffToNow = DateTimeOffset.Now.Subtract(Date);
 
             double timeUntilNextUpdate = 1000;
             if (diffToNow.TotalSeconds > 60)
@@ -58,8 +58,10 @@ namespace osu.Game.Graphics
 
         public override bool HandleMouseInput => true;
 
-        private void updateTime() => Text = date.Humanize();
+        protected virtual string Format() => Date.Humanize();
 
-        public string TooltipText => date.ToString();
+        private void updateTime() => Text = Format();
+
+        public virtual string TooltipText => string.Format($"{Date:MMMM d, yyyy h:mm tt \"UTC\"z}");
     }
 }

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 (Text.Length > 0)
-                    Text = string.Empty;
-                else
-                    Exit?.Invoke();
-                return true;
-            }
+            if (!HasFocus) return false;
+
+            if (args.Key == Key.Escape)
+                return false; // disable the framework-level handling of escape key for confority (we use GlobalAction.Back).
 
             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 =>
-            {
-                Alpha = disabled ? 0.3f : 1;
-            };
+            Current.DisabledChanged += disabled => { 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/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/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.ValueChanged += r => configRuleset.Value = r.ID ?? 0;
+            ruleset.Value = RulesetStore.GetRuleset(configRuleset.Value) ?? RulesetStore.AvailableRulesets.First();
+            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;
@@ -550,7 +553,7 @@ 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/DialogOverlay.cs

@@ -30,6 +30,8 @@ namespace osu.Game.Overlays
             State = Visibility.Visible;
         }
 
+        protected override bool PlaySamplesOnStateChange => false;
+
         private void onDialogOnStateChanged(VisibilityContainer dialog, Visibility v)
         {
             if (v != Visibility.Hidden) return;

osu.Game/Overlays/Direct/FilterControl.cs

@@ -35,15 +35,13 @@ 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

@@ -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

@@ -52,7 +52,7 @@ namespace osu.Game.Overlays.Mods
         }
 
         [BackgroundDependencyLoader(permitNulls: true)]
-        private void load(OsuColour colours, OsuGame osu, RulesetStore rulesets, AudioManager audio)
+        private void load(OsuColour colours, Bindable<RulesetInfo> ruleset, RulesetStore rulesets, AudioManager audio)
         {
             SelectedMods.ValueChanged += selectedModsChanged;
 
@@ -60,8 +60,8 @@ namespace osu.Game.Overlays.Mods
             HighMultiplierColour = colours.Green;
             UnrankedLabel.Colour = colours.Blue;
 
-            if (osu != null)
-                Ruleset.BindTo(osu.Ruleset);
+            if (ruleset != null)
+                Ruleset.BindTo(ruleset);
             else
                 Ruleset.Value = rulesets.AvailableRulesets.First();
 

osu.Game/Overlays/Profile/Components/DrawableJoinDate.cs

@@ -0,0 +1,20 @@
+// 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 osu.Game.Graphics;
+
+namespace osu.Game.Overlays.Profile.Components
+{
+    public class DrawableJoinDate : DrawableDate
+    {
+        public DrawableJoinDate(DateTimeOffset date)
+            : base(date)
+        {
+        }
+
+        protected override string Format() => Text = Date.ToUniversalTime().Year < 2008 ? "Here since the beginning" : $"{Date:MMMM yyyy}";
+
+        public override string TooltipText => $"{Date:MMMM d, yyyy}";
+    }
+}

osu.Game/Overlays/Profile/Components/GradeBadge.cs

@@ -0,0 +1,50 @@
+// 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.Allocation;
+using osu.Framework.Graphics;
+using osu.Framework.Graphics.Containers;
+using osu.Framework.Graphics.Sprites;
+using osu.Framework.Graphics.Textures;
+using osu.Game.Graphics.Sprites;
+
+namespace osu.Game.Overlays.Profile.Components
+{
+    public class GradeBadge : Container
+    {
+        private const float width = 50;
+        private readonly string grade;
+        private readonly Sprite badge;
+        private readonly SpriteText numberText;
+
+        public int DisplayCount
+        {
+            set => numberText.Text = value.ToString(@"#,0");
+        }
+
+        public GradeBadge(string grade)
+        {
+            this.grade = grade;
+            Width = width;
+            Height = 41;
+            Add(badge = new Sprite
+            {
+                Width = width,
+                Height = 26
+            });
+            Add(numberText = new OsuSpriteText
+            {
+                Anchor = Anchor.BottomCentre,
+                Origin = Anchor.BottomCentre,
+                TextSize = 14,
+                Font = @"Exo2.0-Bold"
+            });
+        }
+
+        [BackgroundDependencyLoader]
+        private void load(TextureStore textures)
+        {
+            badge.Texture = textures.Get($"Grades/{grade}");
+        }
+    }
+}

osu.Game/Overlays/Profile/ProfileHeader.cs

@@ -16,6 +16,7 @@ using osu.Game.Graphics;
 using osu.Game.Graphics.Containers;
 using osu.Game.Graphics.Sprites;
 using osu.Game.Graphics.UserInterface;
+using osu.Game.Overlays.Profile.Components;
 using osu.Game.Overlays.Profile.Header;
 using osu.Game.Users;
 
@@ -375,12 +376,12 @@ namespace osu.Game.Overlays.Profile
 
             if (user.JoinDate.ToUniversalTime().Year < 2008)
             {
-                infoTextLeft.AddText("Here since the beginning", boldItalic);
+                infoTextLeft.AddText(new DrawableJoinDate(user.JoinDate), lightText);
             }
             else
             {
                 infoTextLeft.AddText("Joined ", lightText);
-                infoTextLeft.AddText(new DrawableDate(user.JoinDate), boldItalic);
+                infoTextLeft.AddText(new DrawableJoinDate(user.JoinDate), boldItalic);
             }
 
             infoTextLeft.NewLine();
@@ -470,43 +471,5 @@ namespace osu.Game.Overlays.Profile
 
             infoTextRight.NewLine();
         }
-
-        private class GradeBadge : Container
-        {
-            private const float width = 50;
-            private readonly string grade;
-            private readonly Sprite badge;
-            private readonly SpriteText numberText;
-
-            public int DisplayCount
-            {
-                set { numberText.Text = value.ToString(@"#,0"); }
-            }
-
-            public GradeBadge(string grade)
-            {
-                this.grade = grade;
-                Width = width;
-                Height = 41;
-                Add(badge = new Sprite
-                {
-                    Width = width,
-                    Height = 26
-                });
-                Add(numberText = new OsuSpriteText
-                {
-                    Anchor = Anchor.BottomCentre,
-                    Origin = Anchor.BottomCentre,
-                    TextSize = 14,
-                    Font = @"Exo2.0-Bold"
-                });
-            }
-
-            [BackgroundDependencyLoader]
-            private void load(TextureStore textures)
-            {
-                badge.Texture = textures.Get($"Grades/{grade}");
-            }
-        }
     }
 }

osu.Game/Overlays/Profile/Sections/Recent/DrawableRecentActivity.cs

@@ -141,11 +141,11 @@ namespace osu.Game.Overlays.Profile.Sections.Recent
                     break;
 
                 case RecentActivityType.UserSupportFirst:
-                    message = $"{userLinkTemplate()} has become an osu! supporter - thanks for your generosity!";
+                    message = $"{userLinkTemplate()} has become an osu!supporter - thanks for your generosity!";
                     break;
 
                 case RecentActivityType.UserSupportGift:
-                    message = $"{userLinkTemplate()} has received the gift of osu! supporter!";
+                    message = $"{userLinkTemplate()} has received the gift of osu!supporter!";
                     break;
 
                 case RecentActivityType.UsernameChange:

osu.Game/Overlays/Toolbar/ToolbarModeSelector.cs

@@ -68,7 +68,7 @@ namespace osu.Game.Overlays.Toolbar
         }
 
         [BackgroundDependencyLoader(true)]
-        private void load(RulesetStore rulesets, OsuGame game)
+        private void load(RulesetStore rulesets, Bindable<RulesetInfo> parentRuleset)
         {
             this.rulesets = rulesets;
             foreach (var r in rulesets.AvailableRulesets)
@@ -83,8 +83,8 @@ namespace osu.Game.Overlays.Toolbar
             ruleset.ValueChanged += rulesetChanged;
             ruleset.DisabledChanged += disabledChanged;
 
-            if (game != null)
-                ruleset.BindTo(game.Ruleset);
+            if (parentRuleset != null)
+                ruleset.BindTo(parentRuleset);
             else
                 ruleset.Value = rulesets.AvailableRulesets.FirstOrDefault();
         }

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.
-        /// If false, the <see cref="Result"/> will be considered for the bonus portion of the score.
+        /// Whether the <see cref="Result"/> should affect the current combo.
         /// </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/Types/IHasComboIndex.cs

@@ -1,26 +0,0 @@
-// 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.Objects.Types
-{
-    /// <summary>
-    /// A HitObject that is part of a combo and has extended information about its position relative to other combo objects.
-    /// </summary>
-    public interface IHasComboIndex : IHasCombo
-    {
-        /// <summary>
-        /// The offset of this hitobject in the current combo.
-        /// </summary>
-        int IndexInCurrentCombo { get; set; }
-
-        /// <summary>
-        /// The offset of this hitobject in the current combo.
-        /// </summary>
-        int ComboIndex { get; set; }
-
-        /// <summary>
-        /// Whether this is the last object in the current combo.
-        /// </summary>
-        bool LastInCombo { get; set; }
-    }
-}

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

@@ -84,10 +84,17 @@ namespace osu.Game.Rulesets
                 {
                     try
                     {
-                        var instance = r.CreateInstance();
+                        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 = instance.Description;
-                        r.ShortName = instance.ShortName;
+                        r.Name = instanceInfo.Name;
+                        r.ShortName = instanceInfo.ShortName;
+                        r.InstantiationInfo = instanceInfo.InstantiationInfo;
 
                         r.Available = true;
                     }

osu.Game/Rulesets/Scoring/ScoreProcessor.cs

@@ -261,13 +261,19 @@ namespace osu.Game.Rulesets.Scoring
                         break;
                 }
 
-                baseScore += judgement.NumericResult;
-                rollingMaxBaseScore += judgement.MaxNumericResult;
-
                 JudgedHits++;
             }
-            else if (judgement.IsHit)
-                bonusScore += judgement.NumericResult;
+
+            if (judgement.IsBonus)
+            {
+                if (judgement.IsHit)
+                    bonusScore += judgement.NumericResult;
+            }
+            else
+            {
+                baseScore += judgement.NumericResult;
+                rollingMaxBaseScore += judgement.MaxNumericResult;
+            }
         }
 
         /// <summary>
@@ -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/Screens/Edit/Components/Timelines/Summary/Parts/MarkerPart.cs

@@ -52,8 +52,6 @@ namespace osu.Game.Screens.Edit.Components.Timelines.Summary.Parts
             if (Beatmap.Value == null)
                 return;
 
-            if (Beatmap.Value.Track.Length == double.PositiveInfinity) return;
-
             float markerPos = MathHelper.Clamp(ToLocalSpace(screenPosition).X, 0, DrawWidth);
             adjustableClock.Seek(markerPos / DrawWidth * Beatmap.Value.Track.Length);
         }

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

@@ -47,8 +47,7 @@ namespace osu.Game.Screens.Edit.Components.Timelines.Summary.Parts
                 return;
             }
 
-            // Todo: This should be handled more gracefully
-            timeline.RelativeChildSize = Beatmap.Value.Track.Length == double.PositiveInfinity ? Vector2.One : new Vector2((float)Math.Max(1, Beatmap.Value.Track.Length), 1);
+            timeline.RelativeChildSize = new Vector2((float)Math.Max(1, Beatmap.Value.Track.Length), 1);
         }
 
         protected void Add(Drawable visualisation) => timeline.Add(visualisation);

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

@@ -52,13 +52,11 @@ namespace osu.Game.Screens.Edit.Screens.Compose.Timeline
             WaveformVisible.ValueChanged += visible => waveform.FadeTo(visible ? 1 : 0, 200, Easing.OutQuint);
 
             Beatmap.BindTo(beatmap);
-        }
-
-        protected override void LoadComplete()
-        {
-            base.LoadComplete();
-            Beatmap.BindValueChanged(b => waveform.Waveform = b.Waveform);
-            waveform.Waveform = Beatmap.Value.Waveform;
+            Beatmap.BindValueChanged(b =>
+            {
+                waveform.Waveform = b.Waveform;
+                track = b.Track;
+            }, true);
         }
 
         /// <summary>
@@ -81,6 +79,8 @@ namespace osu.Game.Screens.Edit.Screens.Compose.Timeline
         /// </summary>
         private bool trackWasPlaying;
 
+        private Track track;
+
         protected override void Update()
         {
             base.Update();
@@ -118,21 +118,18 @@ namespace osu.Game.Screens.Edit.Screens.Compose.Timeline
 
         private void seekTrackToCurrent()
         {
-            var track = Beatmap.Value.Track;
-            if (track is TrackVirtual || !track.IsLoaded)
+            if (!track.IsLoaded)
                 return;
 
-            if (!(Beatmap.Value.Track is TrackVirtual))
-                adjustableClock.Seek(Current / Content.DrawWidth * Beatmap.Value.Track.Length);
+            adjustableClock.Seek(Current / Content.DrawWidth * track.Length);
         }
 
         private void scrollToTrackTime()
         {
-            var track = Beatmap.Value.Track;
-            if (track is TrackVirtual || !track.IsLoaded)
+            if (!track.IsLoaded)
                 return;
 
-            ScrollTo((float)(adjustableClock.CurrentTime / Beatmap.Value.Track.Length) * Content.DrawWidth, false);
+            ScrollTo((float)(adjustableClock.CurrentTime / track.Length) * Content.DrawWidth, false);
         }
 
         protected override bool OnMouseDown(InputState state, MouseDownEventArgs args)

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)
-        {
-            switch (action)
-            {
-                case GlobalAction.Back:
-                    return true;
-                default:
-                    return false;
-            }
-        }
+        public bool OnReleased(GlobalAction action) => 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 +80,24 @@ 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);
 
-            if (osuGame != null)
+            if (ruleset != null)
+                Ruleset.BindTo(ruleset);
+
+            if (osu != null)
             {
-                Ruleset.BindTo(osuGame.Ruleset);
-                OverlayActivationMode.BindTo(osuGame.OverlayActivationMode);
+                OverlayActivationMode.BindTo(osu.OverlayActivationMode);
 
                 updateOverlayStates = () =>
                 {
                     if (HideOverlaysOnEnter)
-                        osuGame.CloseAllOverlays();
+                        osu.CloseAllOverlays();
                     else
-                        osuGame.Toolbar.State = Visibility.Visible;
+                        osu.Toolbar.State = Visibility.Visible;
                 };
             }
 
@@ -106,6 +106,8 @@ namespace osu.Game.Screens
 
         public bool OnPressed(GlobalAction action)
         {
+            if (!IsCurrentScreen) return false;
+
             if (action == GlobalAction.Back && AllowBackButton)
             {
                 Exit();
@@ -117,20 +119,6 @@ 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();

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)
-            {
-                if (!args.Repeat && args.Key == Key.Escape)
-                {
-                    InternalButtons.Children.First().TriggerOnClick();
-                    return true;
-                }
-
-                return base.OnKeyDown(state, args);
-            }
+            protected override Action BackAction => () => InternalButtons.Children.First().TriggerOnClick();
 
             [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;
 
@@ -158,7 +156,8 @@ namespace osu.Game.Screens.Play
             userAudioOffset.TriggerChange();
 
             ScoreProcessor = RulesetContainer.CreateScoreProcessor();
-            config.BindWith(OsuSetting.ScoreDisplayMode, ScoreProcessor.Mode);
+            if (!ScoreProcessor.Mode.Disabled)
+                config.BindWith(OsuSetting.ScoreDisplayMode, ScoreProcessor.Mode);
 
             Children = new Drawable[]
             {

osu.Game/Screens/Select/BeatmapInfoWedge.cs

@@ -53,10 +53,10 @@ 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(osuGame.Ruleset);
+            if (parentRuleset != null)
+                ruleset.BindTo(parentRuleset);
             ruleset.ValueChanged += _ => updateDisplay();
         }
 

osu.Game/Screens/Select/FilterControl.cs

@@ -62,7 +62,7 @@ namespace osu.Game.Screens.Select
             Sort = sort,
             SearchText = searchTextBox.Text,
             AllowConvertedBeatmaps = showConverted,
-            Ruleset = ruleset
+            Ruleset = ruleset.Value
         };
 
         public Action Exit;
@@ -163,24 +163,23 @@ 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(osu.Ruleset);
-            ruleset.ValueChanged += val => updateCriteria();
-            ruleset.TriggerChange();
+            if (parentRuleset != null)
+                ruleset.BindTo(parentRuleset);
+            ruleset.BindValueChanged(val => updateCriteria(), true);
         }
 
         private void updateCriteria() => FilterChanged?.Invoke(CreateCriteria());

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;
 
@@ -146,7 +145,7 @@ namespace osu.Game.Screens.Select.Leaderboards
                         replacePlaceholder(new MessagePlaceholder(@"Please sign in to view online leaderboards!"));
                         break;
                     case PlaceholderState.NotSupporter:
-                        replacePlaceholder(new MessagePlaceholder(@"Please invest in a supporter tag to view this leaderboard!"));
+                        replacePlaceholder(new MessagePlaceholder(@"Please invest in an osu!supporter tag to view this leaderboard!"));
                         break;
                     default:
                         replacePlaceholder(null);
@@ -174,9 +173,8 @@ 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 +187,19 @@ namespace osu.Game.Screens.Select.Leaderboards
                 beatmap = value;
                 Scores = null;
 
-                pendingBeatmapSwitch?.Cancel();
-                pendingBeatmapSwitch = Schedule(updateScores);
+                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(osuGame.Ruleset);
+            if (parentRuleset != null)
+                ruleset.BindTo(parentRuleset);
 
-            ruleset.ValueChanged += r => updateScores();
+            ruleset.ValueChanged += _ => updateScores();
 
             if (api != null)
                 api.OnStateChange += handleApiStateChange;
@@ -231,51 +227,57 @@ namespace osu.Game.Screens.Select.Leaderboards
 
         private void updateScores()
         {
-            if (Scope == LeaderboardScope.Local)
-            {
-                // TODO: get local scores from wherever here.
-                PlaceholderState = PlaceholderState.NoScores;
-                return;
-            }
+            getScoresRequest?.Cancel();
+            getScoresRequest = null;
 
-            if (Beatmap?.OnlineBeatmapID == null)
+            pendingUpdateScores?.Cancel();
+            pendingUpdateScores = Schedule(() =>
             {
-                PlaceholderState = PlaceholderState.Unavailable;
-                return;
-            }
-
-            if (api?.IsLoggedIn != true)
-            {
-                PlaceholderState = PlaceholderState.NotLoggedIn;
-                return;
-            }
-
-            if (Scope != LeaderboardScope.Global && !api.LocalUser.Value.IsSupporter)
-            {
-                PlaceholderState = PlaceholderState.NotSupporter;
-                return;
-            }
-
-            PlaceholderState = PlaceholderState.Retrieving;
-            loading.Show();
-
-            getScoresRequest = new GetScoresRequest(Beatmap, osuGame?.Ruleset.Value ?? Beatmap.Ruleset, Scope);
-            getScoresRequest.Success += r => Schedule(() =>
-            {
-                Scores = r.Scores;
-                PlaceholderState = Scores.Any() ? PlaceholderState.Successful : PlaceholderState.NoScores;
-            });
-
-            getScoresRequest.Failure += e => Schedule(() =>
-            {
-                if (e is OperationCanceledException)
+                if (Scope == LeaderboardScope.Local)
+                {
+                    // TODO: get local scores from wherever here.
+                    PlaceholderState = PlaceholderState.NoScores;
                     return;
+                }
 
-                PlaceholderState = PlaceholderState.NetworkFailure;
-                Logger.Error(e, @"Couldn't fetch beatmap scores!");
+                if (Beatmap?.OnlineBeatmapID == null)
+                {
+                    PlaceholderState = PlaceholderState.Unavailable;
+                    return;
+                }
+
+                if (api?.IsLoggedIn != true)
+                {
+                    PlaceholderState = PlaceholderState.NotLoggedIn;
+                    return;
+                }
+
+                if (Scope != LeaderboardScope.Global && !api.LocalUser.Value.IsSupporter)
+                {
+                    PlaceholderState = PlaceholderState.NotSupporter;
+                    return;
+                }
+
+                PlaceholderState = PlaceholderState.Retrieving;
+                loading.Show();
+
+                getScoresRequest = new GetScoresRequest(Beatmap, ruleset.Value ?? Beatmap.Ruleset, Scope);
+                getScoresRequest.Success += r => Schedule(() =>
+                {
+                    Scores = r.Scores;
+                    PlaceholderState = Scores.Any() ? PlaceholderState.Successful : PlaceholderState.NoScores;
+                });
+
+                getScoresRequest.Failure += e => Schedule(() =>
+                {
+                    if (e is OperationCanceledException)
+                        return;
+
+                    PlaceholderState = PlaceholderState.NetworkFailure;
+                });
+
+                api.Queue(getScoresRequest);
             });
-
-            api.Queue(getScoresRequest);
         }
 
         private Placeholder currentPlaceholder;
@@ -331,23 +333,4 @@ namespace osu.Game.Screens.Select.Leaderboards
             }
         }
     }
-
-    public enum LeaderboardScope
-    {
-        Local,
-        Country,
-        Global,
-        Friend,
-    }
-
-    public enum PlaceholderState
-    {
-        Successful,
-        Retrieving,
-        NetworkFailure,
-        Unavailable,
-        NoScores,
-        NotLoggedIn,
-        NotSupporter,
-    }
 }

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

@@ -0,0 +1,13 @@
+// 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.Screens.Select.Leaderboards
+{
+    public enum LeaderboardScope
+    {
+        Local,
+        Country,
+        Global,
+        Friend,
+    }
+}

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

@@ -2,10 +2,7 @@
 // Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
 
 using osu.Framework.Graphics;
-using osu.Framework.Graphics.Containers;
 using osu.Game.Graphics;
-using osu.Game.Graphics.Sprites;
-using OpenTK;
 
 namespace osu.Game.Screens.Select.Leaderboards
 {
@@ -15,22 +12,13 @@ namespace osu.Game.Screens.Select.Leaderboards
 
         public MessagePlaceholder(string message)
         {
-            Direction = FillDirection.Horizontal;
-            AutoSizeAxes = Axes.Both;
-            Children = new Drawable[]
+            AddIcon(FontAwesome.fa_exclamation_circle, cp =>
             {
-                new SpriteIcon
-                {
-                    Icon = FontAwesome.fa_exclamation_circle,
-                    Size = new Vector2(26),
-                    Margin = new MarginPadding { Right = 10 },
-                },
-                new OsuSpriteText
-                {
-                    Text = this.message = message,
-                    TextSize = 22,
-                },
-            };
+                cp.TextSize = TEXT_SIZE;
+                cp.Padding = new MarginPadding { Right = 10 };
+            });
+
+            AddText(this.message = message);
         }
 
         public override bool Equals(Placeholder other) => (other as MessagePlaceholder)?.message == message;

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

@@ -3,16 +3,27 @@
 
 using System;
 using osu.Framework.Graphics;
-using osu.Framework.Graphics.Containers;
+using osu.Game.Graphics.Containers;
 
 namespace osu.Game.Screens.Select.Leaderboards
 {
-    public abstract class Placeholder : FillFlowContainer, IEquatable<Placeholder>
+    public abstract class Placeholder : OsuTextFlowContainer, IEquatable<Placeholder>
     {
+        protected const float TEXT_SIZE = 22;
+
+        public override bool HandleMouseInput => true;
+
         protected Placeholder()
+            : base(cp => cp.TextSize = TEXT_SIZE)
         {
             Anchor = Anchor.Centre;
             Origin = Anchor.Centre;
+            TextAnchor = Anchor.TopCentre;
+
+            Padding = new MarginPadding(20);
+
+            AutoSizeAxes = Axes.Y;
+            RelativeSizeAxes = Axes.X;
         }
 
         public virtual bool Equals(Placeholder other) => GetType() == other?.GetType();

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

@@ -0,0 +1,16 @@
+// 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.Screens.Select.Leaderboards
+{
+    public enum PlaceholderState
+    {
+        Successful,
+        Retrieving,
+        NetworkFailure,
+        Unavailable,
+        NoScores,
+        NotLoggedIn,
+        NotSupporter,
+    }
+}

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

@@ -3,11 +3,9 @@
 
 using System;
 using osu.Framework.Graphics;
-using osu.Framework.Graphics.Containers;
 using osu.Framework.Input;
 using osu.Game.Graphics;
 using osu.Game.Graphics.Containers;
-using osu.Game.Graphics.Sprites;
 using OpenTK;
 
 namespace osu.Game.Screens.Select.Leaderboards
@@ -18,22 +16,13 @@ namespace osu.Game.Screens.Select.Leaderboards
 
         public RetrievalFailurePlaceholder()
         {
-            Direction = FillDirection.Horizontal;
-            AutoSizeAxes = Axes.Both;
-            Children = new Drawable[]
+            AddArbitraryDrawable(new RetryButton
             {
-                new RetryButton
-                {
-                    Action = () => OnRetry?.Invoke(),
-                    Margin = new MarginPadding { Right = 10 },
-                },
-                new OsuSpriteText
-                {
-                    Anchor = Anchor.TopLeft,
-                    Text = @"Couldn't retrieve scores!",
-                    TextSize = 22,
-                },
-            };
+                Action = () => OnRetry?.Invoke(),
+                Padding = new MarginPadding { Right = 10 }
+            });
+
+            AddText(@"Couldn't retrieve scores!");
         }
 
         public class RetryButton : OsuHoverContainer
@@ -44,18 +33,16 @@ namespace osu.Game.Screens.Select.Leaderboards
 
             public RetryButton()
             {
-                Height = 26;
-                Width = 26;
+                AutoSizeAxes = Axes.Both;
+
                 Child = new OsuClickableContainer
                 {
                     AutoSizeAxes = Axes.Both,
-                    Anchor = Anchor.Centre,
-                    Origin = Anchor.Centre,
                     Action = () => Action?.Invoke(),
                     Child = icon = new SpriteIcon
                     {
                         Icon = FontAwesome.fa_refresh,
-                        Size = new Vector2(26),
+                        Size = new Vector2(TEXT_SIZE),
                         Shadow = true,
                     },
                 };

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/Tests/Beatmaps/TestWorkingBeatmap.cs

@@ -1,12 +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
 
-using System.Linq;
 using osu.Framework.Audio.Track;
 using osu.Framework.Graphics.Textures;
 using osu.Game.Beatmaps;
 using osu.Game.Rulesets;
-using osu.Game.Rulesets.Objects.Types;
 
 namespace osu.Game.Tests.Beatmaps
 {
@@ -26,21 +24,6 @@ namespace osu.Game.Tests.Beatmaps
         private readonly IBeatmap beatmap;
         protected override IBeatmap GetBeatmap() => beatmap;
         protected override Texture GetBackground() => null;
-
-        protected override Track GetTrack()
-        {
-            var lastObject = beatmap.HitObjects.LastOrDefault();
-            if (lastObject != null)
-                return new TestTrack(((lastObject as IHasEndTime)?.EndTime ?? lastObject.StartTime) + 1000);
-            return new TrackVirtual();
-        }
-
-        private class TestTrack : TrackVirtual
-        {
-            public TestTrack(double length)
-            {
-                Length = length;
-            }
-        }
+        protected override Track GetTrack() => null;
     }
 }

osu.Game/osu.Game.csproj

@@ -18,8 +18,8 @@
     <PackageReference Include="Microsoft.EntityFrameworkCore.Sqlite" Version="2.1.1" />
     <PackageReference Include="Microsoft.EntityFrameworkCore.Sqlite.Core" Version="2.1.1" />
     <PackageReference Include="Newtonsoft.Json" Version="11.0.2" />
-    <PackageReference Include="ppy.osu.Framework" Version="2018.626.0" />
-    <PackageReference Include="SharpCompress" Version="0.21.1" />
+    <PackageReference Include="ppy.osu.Framework" Version="2018.629.0" />
+    <PackageReference Include="SharpCompress" Version="0.17.1" />
     <PackageReference Include="NUnit" Version="3.10.1" />
     <PackageReference Include="System.ComponentModel.Annotations" Version="4.5.0" />
   </ItemGroup>