Merge branch 'master' into convert-object-hitwindows

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

@@ -14,7 +14,7 @@ using osu.Game.Tests.Beatmaps;
 
 namespace osu.Game.Rulesets.Catch.Tests
 {
-    public class CatchBeatmapConversionTest : BeatmapConversionTest<TestCatchRuleset, ConvertValue>
+    internal class CatchBeatmapConversionTest : BeatmapConversionTest<TestCatchRuleset, ConvertValue>
     {
         protected override string ResourceAssembly => "osu.Game.Rulesets.Catch";
 
@@ -50,7 +50,7 @@ namespace osu.Game.Rulesets.Catch.Tests
         protected override IBeatmapConverter CreateConverter(IBeatmap beatmap) => new CatchBeatmapConverter(beatmap);
     }
 
-    public struct ConvertValue : IEquatable<ConvertValue>
+    internal struct ConvertValue : IEquatable<ConvertValue>
     {
         /// <summary>
         /// A sane value to account for osu!stable using ints everwhere.
@@ -65,7 +65,7 @@ namespace osu.Game.Rulesets.Catch.Tests
                && Precision.AlmostEquals(Position, other.Position, conversion_lenience);
     }
 
-    public class TestCatchRuleset : CatchRuleset
+    internal class TestCatchRuleset : CatchRuleset
     {
     }
 }

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

@@ -14,7 +14,7 @@ using osu.Game.Tests.Beatmaps;
 
 namespace osu.Game.Rulesets.Mania.Tests
 {
-    public class ManiaBeatmapConversionTest : BeatmapConversionTest<TestManiaRuleset, ConvertValue>
+    internal class ManiaBeatmapConversionTest : BeatmapConversionTest<TestManiaRuleset, ConvertValue>
     {
         protected override string ResourceAssembly => "osu.Game.Rulesets.Mania";
 
@@ -38,7 +38,7 @@ namespace osu.Game.Rulesets.Mania.Tests
         protected override IBeatmapConverter CreateConverter(IBeatmap beatmap) => new ManiaBeatmapConverter(beatmap);
     }
 
-    public struct ConvertValue : IEquatable<ConvertValue>
+    internal struct ConvertValue : IEquatable<ConvertValue>
     {
         /// <summary>
         /// A sane value to account for osu!stable using ints everwhere.
@@ -55,7 +55,7 @@ namespace osu.Game.Rulesets.Mania.Tests
                && Column == other.Column;
     }
 
-    public class TestManiaRuleset : ManiaRuleset
+    internal class TestManiaRuleset : ManiaRuleset
     {
     }
 }

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

@@ -15,7 +15,7 @@ using OpenTK;
 
 namespace osu.Game.Rulesets.Osu.Tests
 {
-    public class OsuBeatmapConversionTest : BeatmapConversionTest<TestOsuRuleset, ConvertValue>
+    internal class OsuBeatmapConversionTest : BeatmapConversionTest<TestOsuRuleset, ConvertValue>
     {
         protected override string ResourceAssembly => "osu.Game.Rulesets.Osu";
 
@@ -45,7 +45,7 @@ namespace osu.Game.Rulesets.Osu.Tests
         protected override IBeatmapConverter CreateConverter(IBeatmap beatmap) => new OsuBeatmapConverter(beatmap);
     }
 
-    public struct ConvertValue : IEquatable<ConvertValue>
+    internal struct ConvertValue : IEquatable<ConvertValue>
     {
         /// <summary>
         /// A sane value to account for osu!stable using ints everwhere.
@@ -68,7 +68,7 @@ namespace osu.Game.Rulesets.Osu.Tests
                && Precision.AlmostEquals(EndY, other.EndY, conversion_lenience);
     }
 
-    public class TestOsuRuleset : OsuRuleset
+    internal class TestOsuRuleset : OsuRuleset
     {
     }
 }

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

@@ -18,7 +18,17 @@ namespace osu.Game.Rulesets.Osu.Scoring
         private readonly int beatmapMaxCombo;
 
         private Mod[] mods;
+
+        /// <summary>
+        /// Approach rate adjusted by mods.
+        /// </summary>
         private double realApproachRate;
+
+        /// <summary>
+        /// Overall difficulty adjusted by mods.
+        /// </summary>
+        private double realOverallDifficulty;
+
         private double accuracy;
         private int scoreMaxCombo;
         private int count300;
@@ -58,8 +68,12 @@ namespace osu.Game.Rulesets.Osu.Scoring
                 ar = Math.Min(10, ar * 1.4);
             if (mods.Any(m => m is OsuModEasy))
                 ar = Math.Max(0, ar / 2);
-            double preEmpt = BeatmapDifficulty.DifficultyRange(ar, 1800, 1200, 450);
+
+            double preEmpt = BeatmapDifficulty.DifficultyRange(ar, 1800, 1200, 450) / TimeRate;
+            double hitWindow300 = (Beatmap.HitObjects.First().HitWindows.Great / 2 - 0.5) / TimeRate;
+
             realApproachRate = preEmpt > 1200 ? (1800 - preEmpt) / 120 : (1200 - preEmpt) / 150 + 5;
+            realOverallDifficulty = (80 - 0.5 - hitWindow300) / 6;
 
             // Custom multipliers for NoFail and SpunOut.
             double multiplier = 1.12f; // This is being adjusted to keep the final pp value scaled around what it used to be when changing things
@@ -85,6 +99,9 @@ namespace osu.Game.Rulesets.Osu.Scoring
                 categoryRatings.Add("Aim", aimValue);
                 categoryRatings.Add("Speed", speedValue);
                 categoryRatings.Add("Accuracy", accuracyValue);
+                categoryRatings.Add("OD", realOverallDifficulty);
+                categoryRatings.Add("AR", realApproachRate);
+                categoryRatings.Add("Max Combo", beatmapMaxCombo);
             }
 
             return totalValue;
@@ -121,8 +138,9 @@ namespace osu.Game.Rulesets.Osu.Scoring
 
             aimValue *= approachRateFactor;
 
+            // We want to give more reward for lower AR when it comes to aim and HD. This nerfs high AR and buffs lower AR.
             if (mods.Any(h => h is OsuModHidden))
-                aimValue *= 1.03f;
+                aimValue *= 1.02 + (11.0f - realApproachRate) / 50.0; // Gives a 1.04 bonus for AR10, a 1.06 bonus for AR9, a 1.02 bonus for AR11.
 
             if (mods.Any(h => h is OsuModFlashlight))
             {
@@ -133,7 +151,7 @@ namespace osu.Game.Rulesets.Osu.Scoring
             // Scale the aim value with accuracy _slightly_
             aimValue *= 0.5f + accuracy / 2.0f;
             // It is important to also consider accuracy difficulty when doing that
-            aimValue *= 0.98f + Math.Pow(Beatmap.BeatmapInfo.BaseDifficulty.OverallDifficulty, 2) / 2500;
+            aimValue *= 0.98f + Math.Pow(realOverallDifficulty, 2) / 2500;
 
             return aimValue;
         }
@@ -159,7 +177,7 @@ namespace osu.Game.Rulesets.Osu.Scoring
             // Scale the speed value with accuracy _slightly_
             speedValue *= 0.5f + accuracy / 2.0f;
             // It is important to also consider accuracy difficulty when doing that
-            speedValue *= 0.98f + Math.Pow(Beatmap.BeatmapInfo.BaseDifficulty.OverallDifficulty, 2) / 2500;
+            speedValue *= 0.98f + Math.Pow(realOverallDifficulty, 2) / 2500;
 
             return speedValue;
         }
@@ -181,7 +199,7 @@ namespace osu.Game.Rulesets.Osu.Scoring
 
             // Lots of arbitrary values from testing.
             // Considering to use derivation from perfect accuracy in a probabilistic manner - assume normal distribution
-            double accuracyValue = Math.Pow(1.52163f, Beatmap.BeatmapInfo.BaseDifficulty.OverallDifficulty) * Math.Pow(betterAccuracyPercentage, 24) * 2.83f;
+            double accuracyValue = Math.Pow(1.52163f, realOverallDifficulty) * Math.Pow(betterAccuracyPercentage, 24) * 2.83f;
 
             // Bonus for many hitcircles - it's harder to keep good accuracy up for longer
             accuracyValue *= Math.Min(1.15f, Math.Pow(amountHitObjectsWithAccuracy / 1000.0f, 0.3f));

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

@@ -14,7 +14,7 @@ using osu.Game.Tests.Beatmaps;
 
 namespace osu.Game.Rulesets.Taiko.Tests
 {
-    public class TaikoBeatmapConversionTest : BeatmapConversionTest<TestTaikoRuleset, ConvertValue>
+    internal class TaikoBeatmapConversionTest : BeatmapConversionTest<TestTaikoRuleset, ConvertValue>
     {
         protected override string ResourceAssembly => "osu.Game.Rulesets.Taiko";
 
@@ -43,7 +43,7 @@ namespace osu.Game.Rulesets.Taiko.Tests
         protected override IBeatmapConverter CreateConverter(IBeatmap beatmap) => new TaikoBeatmapConverter(beatmap);
     }
 
-    public struct ConvertValue : IEquatable<ConvertValue>
+    internal struct ConvertValue : IEquatable<ConvertValue>
     {
         /// <summary>
         /// A sane value to account for osu!stable using ints everwhere.
@@ -68,7 +68,7 @@ namespace osu.Game.Rulesets.Taiko.Tests
                && IsStrong == other.IsStrong;
     }
 
-    public class TestTaikoRuleset : TaikoRuleset
+    internal class TestTaikoRuleset : TaikoRuleset
     {
     }
 }

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

@@ -40,6 +40,8 @@ namespace osu.Game.Rulesets.Taiko.Objects
         /// </summary>
         private double tickSpacing = 100;
 
+        private float overallDifficulty = BeatmapDifficulty.DEFAULT_DIFFICULTY;
+
         protected override void ApplyDefaultsToSelf(ControlPointInfo controlPointInfo, BeatmapDifficulty difficulty)
         {
             base.ApplyDefaultsToSelf(controlPointInfo, difficulty);
@@ -47,9 +49,7 @@ namespace osu.Game.Rulesets.Taiko.Objects
             TimingControlPoint timingPoint = controlPointInfo.TimingPointAt(StartTime);
 
             tickSpacing = timingPoint.BeatLength / TickRate;
-
+            overallDifficulty = difficulty.OverallDifficulty;
-            RequiredGoodHits = NestedHitObjects.Count * Math.Min(0.15, 0.05 + 0.10 / 6 * difficulty.OverallDifficulty);
-            RequiredGreatHits = NestedHitObjects.Count * Math.Min(0.30, 0.10 + 0.20 / 6 * difficulty.OverallDifficulty);
         }
 
         protected override void CreateNestedHitObjects()
@@ -57,6 +57,9 @@ namespace osu.Game.Rulesets.Taiko.Objects
             base.CreateNestedHitObjects();
 
             createTicks();
+
+            RequiredGoodHits = NestedHitObjects.Count * Math.Min(0.15, 0.05 + 0.10 / 6 * overallDifficulty);
+            RequiredGreatHits = NestedHitObjects.Count * Math.Min(0.30, 0.10 + 0.20 / 6 * overallDifficulty);
         }
 
         private void createTicks()

osu.Game.Tests/Visual/TestCaseHoldToConfirmOverlay.cs

@@ -0,0 +1,62 @@
+// 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 osu.Framework.Graphics;
+using osu.Game.Graphics.Sprites;
+using osu.Game.Screens.Menu;
+
+namespace osu.Game.Tests.Visual
+{
+    public class TestCaseHoldToConfirmOverlay : OsuTestCase
+    {
+        public override IReadOnlyList<Type> RequiredTypes => new[] { typeof(ExitConfirmOverlay) };
+
+        public TestCaseHoldToConfirmOverlay()
+        {
+            bool fired = false;
+
+            var firedText = new OsuSpriteText
+            {
+                Anchor = Anchor.Centre,
+                Origin = Anchor.Centre,
+                Text = "Fired!",
+                TextSize = 50,
+                Alpha = 0,
+            };
+
+            var overlay = new TestHoldToConfirmOverlay
+            {
+                Action = () =>
+                {
+                    fired = true;
+                    firedText.FadeTo(1).Then().FadeOut(1000);
+                }
+            };
+
+            Children = new Drawable[]
+            {
+                overlay,
+                firedText
+            };
+
+            AddStep("start confirming", () => overlay.Begin());
+            AddStep("abort confirming", () => overlay.Abort());
+
+            AddAssert("ensure aborted", () => !fired);
+
+            AddStep("start confirming", () => overlay.Begin());
+
+            AddUntilStep(() => fired, "wait until confirmed");
+        }
+
+        private class TestHoldToConfirmOverlay : ExitConfirmOverlay
+        {
+            protected override bool AllowMultipleFires => true;
+
+            public void Begin() => BeginConfirm();
+            public void Abort() => AbortConfirm();
+        }
+    }
+}

osu.Game/Beatmaps/DifficultyCalculator.cs

@@ -14,7 +14,7 @@ namespace osu.Game.Beatmaps
         protected readonly IBeatmap Beatmap;
         protected readonly Mod[] Mods;
 
-        protected double TimeRate = 1;
+        protected double TimeRate { get; private set; } = 1;
 
         protected DifficultyCalculator(IBeatmap beatmap, Mod[] mods = null)
         {

osu.Game/Graphics/Containers/OsuFocusedOverlayContainer.cs

@@ -44,19 +44,6 @@ namespace osu.Game.Graphics.Containers
             return base.OnClick(state);
         }
 
-        protected override bool OnDragStart(InputState state)
-        {
-            if (!base.ReceiveMouseInputAt(state.Mouse.NativeState.Position))
-            {
-                State = Visibility.Hidden;
-                return true;
-            }
-
-            return base.OnDragStart(state);
-        }
-
-        protected override bool OnDrag(InputState state) => State == Visibility.Hidden;
-
         private void onStateChanged(Visibility visibility)
         {
             switch (visibility)

osu.Game/Overlays/HoldToConfirmOverlay.cs

@@ -0,0 +1,66 @@
+// 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.Framework.Allocation;
+using osu.Framework.Graphics;
+using osu.Framework.Graphics.Containers;
+using osu.Framework.Graphics.Shapes;
+using OpenTK.Graphics;
+
+namespace osu.Game.Overlays
+{
+    /// <summary>
+    /// An overlay which will display a black screen that dims over a period before confirming an exit action.
+    /// Action is BYO (derived class will need to call <see cref="BeginConfirm"/> and <see cref="AbortConfirm"/> from a user event).
+    /// </summary>
+    public abstract class HoldToConfirmOverlay : Container
+    {
+        public Action Action;
+
+        private Box overlay;
+
+        private const int activate_delay = 400;
+        private const int fadeout_delay = 200;
+
+        private bool fired;
+
+        /// <summary>
+        /// Whether the overlay should be allowed to return from a fired state.
+        /// </summary>
+        protected virtual bool AllowMultipleFires => false;
+
+        [BackgroundDependencyLoader]
+        private void load()
+        {
+            RelativeSizeAxes = Axes.Both;
+            AlwaysPresent = true;
+
+            Children = new Drawable[]
+            {
+                overlay = new Box
+                {
+                    Alpha = 0,
+                    Colour = Color4.Black,
+                    RelativeSizeAxes = Axes.Both,
+                }
+            };
+        }
+
+        protected void BeginConfirm()
+        {
+            if (!AllowMultipleFires && fired) return;
+            overlay.FadeIn(activate_delay * (1 - overlay.Alpha), Easing.Out).OnComplete(_ =>
+            {
+                Action?.Invoke();
+                fired = true;
+            });
+        }
+
+        protected void AbortConfirm()
+        {
+            if (!AllowMultipleFires && fired) return;
+            overlay.FadeOut(fadeout_delay, Easing.Out);
+        }
+    }
+}

osu.Game/Overlays/KeyBinding/KeyBindingRow.cs

@@ -12,6 +12,7 @@ using osu.Framework.Graphics.Shapes;
 using osu.Framework.Input;
 using osu.Framework.Input.Bindings;
 using osu.Game.Graphics;
+using osu.Game.Graphics.Containers;
 using osu.Game.Graphics.Sprites;
 using osu.Game.Input;
 using OpenTK.Graphics;
@@ -43,7 +44,7 @@ namespace osu.Game.Overlays.KeyBinding
         }
 
         private OsuSpriteText text;
-        private OsuSpriteText pressAKey;
+        private OsuTextFlowContainer pressAKey;
 
         private FillFlowContainer<KeyButton> buttons;
 
@@ -95,10 +96,11 @@ namespace osu.Game.Overlays.KeyBinding
                     Anchor = Anchor.TopRight,
                     Origin = Anchor.TopRight
                 },
-                pressAKey = new OsuSpriteText
+                pressAKey = new OsuTextFlowContainer
                 {
-                    Text = "Press a key to change binding, DEL to delete, ESC to cancel.",
+                    Text = "Press a key to change binding, Shift+Delete to delete, Escape to cancel.",
-                    Y = height,
+                    RelativeSizeAxes = Axes.X,
+                    AutoSizeAxes = Axes.Y,
                     Margin = new MarginPadding(padding),
                     Alpha = 0,
                     Colour = colours.YellowDark
@@ -204,9 +206,16 @@ namespace osu.Game.Overlays.KeyBinding
                     finalise();
                     return true;
                 case Key.Delete:
-                    bindTarget.UpdateKeyCombination(InputKey.None);
+                {
-                    finalise();
+                    if (state.Keyboard.ShiftPressed)
-                    return true;
+                    {
+                        bindTarget.UpdateKeyCombination(InputKey.None);
+                        finalise();
+                        return true;
+                    }
+
+                    break;
+                }
             }
 
             bindTarget.UpdateKeyCombination(KeyCombination.FromInputState(state));
@@ -261,7 +270,7 @@ namespace osu.Game.Overlays.KeyBinding
                 GetContainingInputManager().ChangeFocus(null);
 
             pressAKey.FadeOut(300, Easing.OutQuint);
-            pressAKey.Padding = new MarginPadding { Bottom = -pressAKey.DrawHeight };
+            pressAKey.Padding = new MarginPadding { Top = height, Bottom = -pressAKey.DrawHeight };
         }
 
         protected override void OnFocus(InputState state)
@@ -270,7 +279,7 @@ namespace osu.Game.Overlays.KeyBinding
             AutoSizeEasing = Easing.OutQuint;
 
             pressAKey.FadeIn(300, Easing.OutQuint);
-            pressAKey.Padding = new MarginPadding();
+            pressAKey.Padding = new MarginPadding { Top = height };
 
             updateBindTarget();
             base.OnFocus(state);

osu.Game/Overlays/Music/PlaylistList.cs

@@ -4,7 +4,8 @@
 using System;
 using System.Collections.Generic;
 using System.Linq;
-using osu.Framework.Extensions.IEnumerableExtensions;
+using osu.Framework.Allocation;
+using osu.Framework.Configuration;
 using osu.Framework.Graphics;
 using osu.Framework.Graphics.Containers;
 using osu.Framework.Input;
@@ -16,7 +17,8 @@ namespace osu.Game.Overlays.Music
 {
     public class PlaylistList : CompositeDrawable
     {
-        public Action<BeatmapSetInfo> OnSelect;
+        public Action<BeatmapSetInfo> Selected;
+        public Action<BeatmapSetInfo, int> OrderChanged;
 
         private readonly ItemsScrollContainer items;
 
@@ -25,7 +27,8 @@ namespace osu.Game.Overlays.Music
             InternalChild = items = new ItemsScrollContainer
             {
                 RelativeSizeAxes = Axes.Both,
-                OnSelect = set => OnSelect?.Invoke(set)
+                Selected = set => Selected?.Invoke(set),
+                OrderChanged = (s, i) => OrderChanged?.Invoke(s, i)
             };
         }
 
@@ -35,34 +38,20 @@ namespace osu.Game.Overlays.Music
             set { base.Padding = value; }
         }
 
-        public IEnumerable<BeatmapSetInfo> BeatmapSets
-        {
-            get { return items.Sets; }
-            set { items.Sets = value; }
-        }
-
         public BeatmapSetInfo FirstVisibleSet => items.FirstVisibleSet;
-        public BeatmapSetInfo NextSet => items.NextSet;
-        public BeatmapSetInfo PreviousSet => items.PreviousSet;
-
-        public BeatmapSetInfo SelectedSet
-        {
-            get { return items.SelectedSet; }
-            set { items.SelectedSet = value; }
-        }
-
-        public void AddBeatmapSet(BeatmapSetInfo beatmapSet) => items.AddBeatmapSet(beatmapSet);
-        public void RemoveBeatmapSet(BeatmapSetInfo beatmapSet) => items.RemoveBeatmapSet(beatmapSet);
 
         public void Filter(string searchTerm) => items.SearchTerm = searchTerm;
 
         private class ItemsScrollContainer : OsuScrollContainer
         {
-            public Action<BeatmapSetInfo> OnSelect;
+            public Action<BeatmapSetInfo> Selected;
+            public Action<BeatmapSetInfo, int> OrderChanged;
 
             private readonly SearchContainer search;
             private readonly FillFlowContainer<PlaylistItem> items;
 
+            private readonly IBindable<WorkingBeatmap> beatmapBacking = new Bindable<WorkingBeatmap>();
+
             public ItemsScrollContainer()
             {
                 Children = new Drawable[]
@@ -83,14 +72,36 @@ namespace osu.Game.Overlays.Music
                 };
             }
 
-            public IEnumerable<BeatmapSetInfo> Sets
+            [BackgroundDependencyLoader]
+            private void load(BeatmapManager beatmaps, OsuGameBase osuGame)
             {
-                get { return items.Select(x => x.BeatmapSetInfo).ToList(); }
+                beatmaps.GetAllUsableBeatmapSets().ForEach(addBeatmapSet);
-                set
+                beatmaps.ItemAdded += addBeatmapSet;
-                {
+                beatmaps.ItemRemoved += removeBeatmapSet;
-                    items.Clear();
+
-                    value.ForEach(AddBeatmapSet);
+                beatmapBacking.BindTo(osuGame.Beatmap);
-                }
+                beatmapBacking.ValueChanged += _ => updateSelectedSet();
+            }
+
+            private void addBeatmapSet(BeatmapSetInfo obj)
+            {
+                var newItem = new PlaylistItem(obj) { OnSelect = set => Selected?.Invoke(set) };
+
+                items.Add(newItem);
+                items.SetLayoutPosition(newItem, items.Count - 1);
+            }
+
+            private void removeBeatmapSet(BeatmapSetInfo obj)
+            {
+                var itemToRemove = items.FirstOrDefault(i => i.BeatmapSetInfo.ID == obj.ID);
+                if (itemToRemove != null)
+                    items.Remove(itemToRemove);
+            }
+
+            private void updateSelectedSet()
+            {
+                foreach (PlaylistItem s in items.Children)
+                    s.Selected = s.BeatmapSetInfo.ID == beatmapBacking.Value.BeatmapSetInfo.ID;
             }
 
             public string SearchTerm
@@ -99,34 +110,7 @@ namespace osu.Game.Overlays.Music
                 set { search.SearchTerm = value; }
             }
 
-            public void AddBeatmapSet(BeatmapSetInfo beatmapSet)
-            {
-                var newItem = new PlaylistItem(beatmapSet) { OnSelect = set => OnSelect?.Invoke(set) };
-
-                items.Add(newItem);
-                items.SetLayoutPosition(newItem, items.Count);
-            }
-
-            public void RemoveBeatmapSet(BeatmapSetInfo beatmapSet)
-            {
-                var itemToRemove = items.FirstOrDefault(i => i.BeatmapSetInfo.ID == beatmapSet.ID);
-                if (itemToRemove != null)
-                    items.Remove(itemToRemove);
-            }
-
-            public BeatmapSetInfo SelectedSet
-            {
-                get { return items.FirstOrDefault(i => i.Selected)?.BeatmapSetInfo; }
-                set
-                {
-                    foreach (PlaylistItem s in items.Children)
-                        s.Selected = s.BeatmapSetInfo.ID == value?.ID;
-                }
-            }
-
             public BeatmapSetInfo FirstVisibleSet => items.FirstOrDefault(i => i.MatchingFilter)?.BeatmapSetInfo;
-            public BeatmapSetInfo NextSet => (items.SkipWhile(i => !i.Selected).Skip(1).FirstOrDefault() ?? items.FirstOrDefault())?.BeatmapSetInfo;
-            public BeatmapSetInfo PreviousSet => (items.TakeWhile(i => !i.Selected).LastOrDefault() ?? items.LastOrDefault())?.BeatmapSetInfo;
 
             private Vector2 nativeDragPosition;
             private PlaylistItem draggedItem;
@@ -227,6 +211,7 @@ namespace osu.Game.Overlays.Music
                 }
 
                 items.SetLayoutPosition(draggedItem, dstIndex);
+                OrderChanged?.Invoke(draggedItem.BeatmapSetInfo, dstIndex);
             }
 
             private class ItemSearchContainer : FillFlowContainer<PlaylistItem>, IHasFilterableChildren

osu.Game/Overlays/Music/PlaylistOverlay.cs

@@ -1,7 +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 System.Collections.Generic;
+using System;
 using System.Linq;
 using osu.Framework.Allocation;
 using osu.Framework.Configuration;
@@ -19,18 +19,16 @@ namespace osu.Game.Overlays.Music
     public class PlaylistOverlay : OverlayContainer
     {
         private const float transition_duration = 600;
-
         private const float playlist_height = 510;
 
+        public Action<BeatmapSetInfo, int> OrderChanged;
+
+        private BeatmapManager beatmaps;
         private FilterControl filter;
         private PlaylistList list;
 
-        private BeatmapManager beatmaps;
-
         private readonly Bindable<WorkingBeatmap> beatmapBacking = new Bindable<WorkingBeatmap>();
 
-        public IEnumerable<BeatmapSetInfo> BeatmapSets => list.BeatmapSets;
-
         [BackgroundDependencyLoader]
         private void load(OsuGameBase game, BeatmapManager beatmaps, OsuColour colours)
         {
@@ -60,7 +58,8 @@ namespace osu.Game.Overlays.Music
                         {
                             RelativeSizeAxes = Axes.Both,
                             Padding = new MarginPadding { Top = 95, Bottom = 10, Right = 10 },
-                            OnSelect = itemSelected,
+                            Selected = itemSelected,
+                            OrderChanged = (s, i) => OrderChanged?.Invoke(s, i)
                         },
                         filter = new FilterControl
                         {
@@ -74,30 +73,16 @@ namespace osu.Game.Overlays.Music
                 },
             };
 
-            beatmaps.ItemAdded += handleBeatmapAdded;
-            beatmaps.ItemRemoved += handleBeatmapRemoved;
-
-            list.BeatmapSets = beatmaps.GetAllUsableBeatmapSets();
-
             beatmapBacking.BindTo(game.Beatmap);
 
             filter.Search.OnCommit = (sender, newText) =>
             {
-                var beatmap = list.FirstVisibleSet?.Beatmaps?.FirstOrDefault();
+                BeatmapInfo beatmap = list.FirstVisibleSet?.Beatmaps?.FirstOrDefault();
-                if (beatmap != null) playSpecified(beatmap);
+                if (beatmap != null)
+                    beatmapBacking.Value = beatmaps.GetWorkingBeatmap(beatmap);
             };
         }
 
-        protected override void LoadComplete()
-        {
-            base.LoadComplete();
-            beatmapBacking.ValueChanged += b => list.SelectedSet = b?.BeatmapSetInfo;
-            beatmapBacking.TriggerChange();
-        }
-
-        private void handleBeatmapAdded(BeatmapSetInfo setInfo) => Schedule(() => list.AddBeatmapSet(setInfo));
-        private void handleBeatmapRemoved(BeatmapSetInfo setInfo) => Schedule(() => list.RemoveBeatmapSet(setInfo));
-
         protected override void PopIn()
         {
             filter.Search.HoldFocus = true;
@@ -123,49 +108,7 @@ namespace osu.Game.Overlays.Music
                 return;
             }
 
-            playSpecified(set.Beatmaps.First());
+            beatmapBacking.Value = beatmaps.GetWorkingBeatmap(set.Beatmaps.First());
-        }
-
-        public void PlayPrevious()
-        {
-            var playable = list.PreviousSet;
-
-            if (playable != null)
-            {
-                playSpecified(playable.Beatmaps.First());
-                list.SelectedSet = playable;
-            }
-        }
-
-        public void PlayNext()
-        {
-            var playable = list.NextSet;
-
-            if (playable != null)
-            {
-                playSpecified(playable.Beatmaps.First());
-                list.SelectedSet = playable;
-            }
-        }
-
-        private void playSpecified(BeatmapInfo info)
-        {
-            beatmapBacking.Value = beatmaps.GetWorkingBeatmap(info, beatmapBacking);
-
-            var track = beatmapBacking.Value.Track;
-
-            track.Restart();
-        }
-
-        protected override void Dispose(bool isDisposing)
-        {
-            base.Dispose(isDisposing);
-
-            if (beatmaps != null)
-            {
-                beatmaps.ItemAdded -= handleBeatmapAdded;
-                beatmaps.ItemRemoved -= handleBeatmapRemoved;
-            }
         }
     }
 

osu.Game/Overlays/MusicController.cs

@@ -2,6 +2,7 @@
 // Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
 
 using System;
+using System.Collections.Generic;
 using System.Linq;
 using System.Threading.Tasks;
 using osu.Framework.Allocation;
@@ -50,7 +51,10 @@ namespace osu.Game.Overlays
 
         private LocalisationEngine localisation;
 
+        private BeatmapManager beatmaps;
         private readonly Bindable<WorkingBeatmap> beatmapBacking = new Bindable<WorkingBeatmap>();
+        private List<BeatmapSetInfo> beatmapSets;
+        private BeatmapSetInfo currentSet;
 
         private Container dragContainer;
         private Container playerContainer;
@@ -93,8 +97,9 @@ namespace osu.Game.Overlays
         }
 
         [BackgroundDependencyLoader]
-        private void load(OsuGameBase game, OsuColour colours, LocalisationEngine localisation)
+        private void load(OsuGameBase game, BeatmapManager beatmaps, OsuColour colours, LocalisationEngine localisation)
         {
+            this.beatmaps = beatmaps;
             this.localisation = localisation;
 
             Children = new Drawable[]
@@ -111,6 +116,7 @@ namespace osu.Game.Overlays
                         {
                             RelativeSizeAxes = Axes.X,
                             Y = player_height + 10,
+                            OrderChanged = playlistOrderChanged
                         },
                         playerContainer = new Container
                         {
@@ -185,7 +191,7 @@ namespace osu.Game.Overlays
                                                 {
                                                     Anchor = Anchor.Centre,
                                                     Origin = Anchor.Centre,
-                                                    Action = next,
+                                                    Action = () => next(),
                                                     Icon = FontAwesome.fa_step_forward,
                                                 },
                                             }
@@ -214,11 +220,24 @@ namespace osu.Game.Overlays
                 }
             };
 
+            beatmapSets = beatmaps.GetAllUsableBeatmapSets();
+            beatmaps.ItemAdded += handleBeatmapAdded;
+            beatmaps.ItemRemoved += handleBeatmapRemoved;
+
             beatmapBacking.BindTo(game.Beatmap);
 
             playlist.StateChanged += s => playlistButton.FadeColour(s == Visibility.Visible ? colours.Yellow : Color4.White, 200, Easing.OutQuint);
         }
 
+        private void playlistOrderChanged(BeatmapSetInfo beatmapSetInfo, int index)
+        {
+            beatmapSets.Remove(beatmapSetInfo);
+            beatmapSets.Insert(index, beatmapSetInfo);
+        }
+
+        private void handleBeatmapAdded(BeatmapSetInfo obj) => beatmapSets.Add(obj);
+        private void handleBeatmapRemoved(BeatmapSetInfo obj) => beatmapSets.RemoveAll(s => s.ID == obj.ID);
+
         protected override void LoadComplete()
         {
             beatmapBacking.ValueChanged += beatmapChanged;
@@ -257,7 +276,7 @@ namespace osu.Game.Overlays
 
                 playButton.Icon = track.IsRunning ? FontAwesome.fa_pause_circle_o : FontAwesome.fa_play_circle_o;
 
-                if (track.HasCompleted && !track.Looping && !beatmapBacking.Disabled && playlist.BeatmapSets.Any())
+                if (track.HasCompleted && !track.Looping && !beatmapBacking.Disabled && beatmapSets.Any())
                     next();
             }
             else
@@ -271,7 +290,7 @@ namespace osu.Game.Overlays
             if (track == null)
             {
                 if (!beatmapBacking.Disabled)
-                    playlist.PlayNext();
+                    next(true);
                 return;
             }
 
@@ -284,13 +303,26 @@ namespace osu.Game.Overlays
         private void prev()
         {
             queuedDirection = TransformDirection.Prev;
-            playlist.PlayPrevious();
+
+            var playable = beatmapSets.TakeWhile(i => i.ID != current.BeatmapSetInfo.ID).LastOrDefault() ?? beatmapSets.LastOrDefault();
+            if (playable != null)
+            {
+                beatmapBacking.Value = beatmaps.GetWorkingBeatmap(playable.Beatmaps.First(), beatmapBacking);
+                beatmapBacking.Value.Track.Restart();
+            }
         }
 
-        private void next()
+        private void next(bool instant = false)
         {
-            queuedDirection = TransformDirection.Next;
+            if (!instant)
-            playlist.PlayNext();
+                queuedDirection = TransformDirection.Next;
+
+            var playable = beatmapSets.SkipWhile(i => i.ID != current.BeatmapSetInfo.ID).Skip(1).FirstOrDefault() ?? beatmapSets.FirstOrDefault();
+            if (playable != null)
+            {
+                beatmapBacking.Value = beatmaps.GetWorkingBeatmap(playable.Beatmaps.First(), beatmapBacking);
+                beatmapBacking.Value.Track.Restart();
+            }
         }
 
         private WorkingBeatmap current;
@@ -314,8 +346,8 @@ namespace osu.Game.Overlays
                 else
                 {
                     //figure out the best direction based on order in playlist.
-                    var last = playlist.BeatmapSets.TakeWhile(b => b.ID != current.BeatmapSetInfo?.ID).Count();
+                    var last = beatmapSets.TakeWhile(b => b.ID != current.BeatmapSetInfo?.ID).Count();
-                    var next = beatmap == null ? -1 : playlist.BeatmapSets.TakeWhile(b => b.ID != beatmap.BeatmapSetInfo?.ID).Count();
+                    var next = beatmap == null ? -1 : beatmapSets.TakeWhile(b => b.ID != beatmap.BeatmapSetInfo?.ID).Count();
 
                     direction = last > next ? TransformDirection.Prev : TransformDirection.Next;
                 }

osu.Game/Overlays/VolumeOverlay.cs

@@ -100,6 +100,8 @@ namespace osu.Game.Overlays
 
         public bool Adjust(GlobalAction action)
         {
+            if (!IsLoaded) return false;
+
             switch (action)
             {
                 case GlobalAction.DecreaseVolume:

osu.Game/Rulesets/RulesetStore.cs

@@ -112,7 +112,7 @@ namespace osu.Game.Rulesets
             try
             {
                 var assembly = Assembly.LoadFrom(file);
-                loaded_assemblies[assembly] = assembly.GetTypes().First(t => t.IsSubclassOf(typeof(Ruleset)));
+                loaded_assemblies[assembly] = assembly.GetTypes().First(t => t.IsPublic && t.IsSubclassOf(typeof(Ruleset)));
             }
             catch (Exception)
             {

osu.Game/Rulesets/Scoring/Legacy/DatabasedLegacyScoreParser.cs

@@ -0,0 +1,26 @@
+// 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.Beatmaps;
+
+namespace osu.Game.Rulesets.Scoring.Legacy
+{
+    /// <summary>
+    /// A <see cref="LegacyScoreParser"/> which retrieves the applicable <see cref="Beatmap"/> and <see cref="Ruleset"/>
+    /// for the score from the database.
+    /// </summary>
+    public class DatabasedLegacyScoreParser : LegacyScoreParser
+    {
+        private readonly RulesetStore rulesets;
+        private readonly BeatmapManager beatmaps;
+
+        public DatabasedLegacyScoreParser(RulesetStore rulesets, BeatmapManager beatmaps)
+        {
+            this.rulesets = rulesets;
+            this.beatmaps = beatmaps;
+        }
+
+        protected override Ruleset GetRuleset(int rulesetId) => rulesets.GetRuleset(rulesetId).CreateInstance();
+        protected override WorkingBeatmap GetBeatmap(string md5Hash) => beatmaps.GetWorkingBeatmap(beatmaps.QueryBeatmap(b => b.MD5Hash == md5Hash));
+    }
+}

osu.Game/Rulesets/Scoring/Legacy/LegacyScoreParser.cs

@@ -14,17 +14,8 @@ using System.Linq;
 
 namespace osu.Game.Rulesets.Scoring.Legacy
 {
-    public class LegacyScoreParser
+    public abstract class LegacyScoreParser
     {
-        private readonly RulesetStore rulesets;
-        private readonly BeatmapManager beatmaps;
-
-        public LegacyScoreParser(RulesetStore rulesets, BeatmapManager beatmaps)
-        {
-            this.rulesets = rulesets;
-            this.beatmaps = beatmaps;
-        }
-
         private IBeatmap currentBeatmap;
         private Ruleset currentRuleset;
 
@@ -34,16 +25,15 @@ namespace osu.Game.Rulesets.Scoring.Legacy
 
             using (SerializationReader sr = new SerializationReader(stream))
             {
-                score = new Score { Ruleset = rulesets.GetRuleset(sr.ReadByte()) };
+                currentRuleset = GetRuleset(sr.ReadByte());
-                currentRuleset = score.Ruleset.CreateInstance();
+                score = new Score { Ruleset = currentRuleset.RulesetInfo };
 
                 /* score.Pass = true;*/
                 var version = sr.ReadInt32();
 
                 /* score.FileChecksum = */
-                var beatmapHash = sr.ReadString();
+                currentBeatmap = GetBeatmap(sr.ReadString()).Beatmap;
-                score.Beatmap = beatmaps.QueryBeatmap(b => b.MD5Hash == beatmapHash);
+                score.Beatmap = currentBeatmap.BeatmapInfo;
-                currentBeatmap = beatmaps.GetWorkingBeatmap(score.Beatmap).Beatmap;
 
                 /* score.PlayerName = */
                 score.User = new User { Username = sr.ReadString() };
@@ -181,5 +171,19 @@ namespace osu.Game.Rulesets.Scoring.Legacy
 
             return frame;
         }
+
+        /// <summary>
+        /// Retrieves the <see cref="Ruleset"/> for a specific id.
+        /// </summary>
+        /// <param name="rulesetId">The id.</param>
+        /// <returns>The <see cref="Ruleset"/>.</returns>
+        protected abstract Ruleset GetRuleset(int rulesetId);
+
+        /// <summary>
+        /// Retrieves the <see cref="WorkingBeatmap"/> corresponding to an MD5 hash.
+        /// </summary>
+        /// <param name="md5Hash">The MD5 hash.</param>
+        /// <returns>The <see cref="WorkingBeatmap"/>.</returns>
+        protected abstract WorkingBeatmap GetBeatmap(string md5Hash);
     }
 }

osu.Game/Rulesets/Scoring/PerformanceCalculator.cs

@@ -2,7 +2,11 @@
 // Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
 
 using System.Collections.Generic;
+using System.Linq;
+using osu.Framework.Extensions.IEnumerableExtensions;
+using osu.Framework.Timing;
 using osu.Game.Beatmaps;
+using osu.Game.Rulesets.Mods;
 
 namespace osu.Game.Rulesets.Scoring
 {
@@ -14,6 +18,8 @@ namespace osu.Game.Rulesets.Scoring
         protected readonly IBeatmap Beatmap;
         protected readonly Score Score;
 
+        protected double TimeRate { get; private set; } = 1;
+
         protected PerformanceCalculator(Ruleset ruleset, IBeatmap beatmap, Score score)
         {
             Score = score;
@@ -22,6 +28,15 @@ namespace osu.Game.Rulesets.Scoring
 
             var diffCalc = ruleset.CreateDifficultyCalculator(beatmap, score.Mods);
             diffCalc.Calculate(attributes);
+
+            ApplyMods(score.Mods);
+        }
+
+        protected virtual void ApplyMods(Mod[] mods)
+        {
+            var clock = new StopwatchClock();
+            mods.OfType<IApplicableToClock>().ForEach(m => m.ApplyToClock(clock));
+            TimeRate = clock.Rate;
         }
 
         public abstract double Calculate(Dictionary<string, double> categoryDifficulty = null);

osu.Game/Rulesets/Scoring/ScoreStore.cs

@@ -50,7 +50,7 @@ namespace osu.Game.Rulesets.Scoring
         public Score ReadReplayFile(string replayFilename)
         {
             using (Stream s = storage.GetStream(Path.Combine(replay_folder, replayFilename)))
-                return new LegacyScoreParser(rulesets, beatmaps).Parse(s);
+                return new DatabasedLegacyScoreParser(rulesets, beatmaps).Parse(s);
         }
     }
 }

osu.Game/Screens/Menu/ExitConfirmOverlay.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.Framework.Input;
+using osu.Game.Overlays;
+using OpenTK.Input;
+
+namespace osu.Game.Screens.Menu
+{
+    public class ExitConfirmOverlay : HoldToConfirmOverlay
+    {
+        protected override bool OnKeyDown(InputState state, KeyDownEventArgs args)
+        {
+            if (args.Key == Key.Escape && !args.Repeat)
+            {
+                BeginConfirm();
+                return true;
+            }
+
+            return base.OnKeyDown(state, args);
+        }
+
+        protected override bool OnKeyUp(InputState state, KeyUpEventArgs args)
+        {
+            if (args.Key == Key.Escape)
+            {
+                AbortConfirm();
+                return true;
+            }
+
+            return base.OnKeyUp(state, args);
+        }
+    }
+}

osu.Game/Screens/Menu/MainMenu.cs

@@ -39,6 +39,10 @@ namespace osu.Game.Screens.Menu
 
             Children = new Drawable[]
             {
+                new ExitConfirmOverlay
+                {
+                    Action = Exit,
+                },
                 new ParallaxContainer
                 {
                     ParallaxAmount = 0.01f,

osu.Game/Screens/Play/HotkeyRetryOverlay.cs

@@ -1,50 +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 osu.Framework.Allocation;
-using System;
-using osu.Framework.Graphics.Containers;
-using osu.Framework.Graphics;
-using osu.Framework.Graphics.Shapes;
 using osu.Framework.Input.Bindings;
 using osu.Game.Input.Bindings;
-using OpenTK.Graphics;
+using osu.Game.Overlays;
 
 namespace osu.Game.Screens.Play
 {
-    public class HotkeyRetryOverlay : Container, IKeyBindingHandler<GlobalAction>
+    public class HotkeyRetryOverlay : HoldToConfirmOverlay, IKeyBindingHandler<GlobalAction>
     {
-        public Action Action;
-
-        private Box overlay;
-
-        private const int activate_delay = 400;
-        private const int fadeout_delay = 200;
-
-        private bool fired;
-
-        [BackgroundDependencyLoader]
-        private void load()
-        {
-            RelativeSizeAxes = Axes.Both;
-            AlwaysPresent = true;
-
-            Children = new Drawable[]
-            {
-                overlay = new Box
-                {
-                    Alpha = 0,
-                    Colour = Color4.Black,
-                    RelativeSizeAxes = Axes.Both,
-                }
-            };
-        }
-
         public bool OnPressed(GlobalAction action)
         {
             if (action != GlobalAction.QuickRetry) return false;
 
-            overlay.FadeIn(activate_delay, Easing.Out);
+            BeginConfirm();
             return true;
         }
 
@@ -52,18 +21,8 @@ namespace osu.Game.Screens.Play
         {
             if (action != GlobalAction.QuickRetry) return false;
 
-            overlay.FadeOut(fadeout_delay, Easing.Out);
+            AbortConfirm();
             return true;
         }
-
-        protected override void Update()
-        {
-            base.Update();
-            if (!fired && overlay.Alpha == 1)
-            {
-                fired = true;
-                Action?.Invoke();
-            }
-        }
     }
 }

osu.Game/Screens/Play/Player.cs

@@ -162,7 +162,7 @@ namespace osu.Game.Screens.Play
                         hudOverlay.KeyCounter.IsCounting = pauseContainer.IsPaused;
                     },
                     OnResume = () => hudOverlay.KeyCounter.IsCounting = true,
-                    Children = new Drawable[]
+                    Children = new[]
                     {
                         storyboardContainer = new Container
                         {
@@ -174,12 +174,12 @@ namespace osu.Game.Screens.Play
                             RelativeSizeAxes = Axes.Both,
                             Child = RulesetContainer
                         },
-                        new SkipOverlay(firstObjectTime)
+                        new BreakOverlay(beatmap.BeatmapInfo.LetterboxInBreaks, scoreProcessor)
                         {
-                            Clock = Clock, // skip button doesn't want to use the audio clock directly
+                            Anchor = Anchor.Centre,
+                            Origin = Anchor.Centre,
                             ProcessCustomClock = false,
-                            AdjustableClock = adjustableClock,
+                            Breaks = beatmap.Breaks
-                            FramedClock = offsetClock,
                         },
                         hudOverlay = new HUDOverlay(scoreProcessor, RulesetContainer, working, offsetClock, adjustableClock)
                         {
@@ -188,13 +188,14 @@ namespace osu.Game.Screens.Play
                             Anchor = Anchor.Centre,
                             Origin = Anchor.Centre
                         },
-                        new BreakOverlay(beatmap.BeatmapInfo.LetterboxInBreaks, scoreProcessor)
+                        RulesetContainer.Cursor?.CreateProxy() ?? new Container(),
+                        new SkipOverlay(firstObjectTime)
                         {
-                            Anchor = Anchor.Centre,
+                            Clock = Clock, // skip button doesn't want to use the audio clock directly
-                            Origin = Anchor.Centre,
                             ProcessCustomClock = false,
-                            Breaks = beatmap.Breaks
+                            AdjustableClock = adjustableClock,
-                        }
+                            FramedClock = offsetClock,
+                        },
                     }
                 },
                 failOverlay = new FailOverlay

osu.Game/Screens/Play/SongProgressInfo.cs

@@ -85,11 +85,13 @@ namespace osu.Game.Screens.Play
 
             if (currentSecond != previousSecond && songCurrentTime < songLength)
             {
-                timeCurrent.Text = TimeSpan.FromSeconds(currentSecond).ToString(songCurrentTime < 0 ? @"\-m\:ss" : @"m\:ss");
+                timeCurrent.Text = formatTime(TimeSpan.FromSeconds(currentSecond));
-                timeLeft.Text = TimeSpan.FromMilliseconds(endTime - AudioClock.CurrentTime).ToString(@"\-m\:ss");
+                timeLeft.Text = formatTime(TimeSpan.FromMilliseconds(endTime - AudioClock.CurrentTime));
 
                 previousSecond = currentSecond;
             }
         }
+
+        private string formatTime(TimeSpan timeSpan) => $"{(timeSpan < TimeSpan.Zero ? "-" : "")}{timeSpan.Duration().TotalMinutes:N0}:{timeSpan.Duration().Seconds:D2}";
     }
 }

osu.Game/Screens/Select/BeatmapInfoWedge.cs

@@ -88,17 +88,27 @@ namespace osu.Game.Screens.Select
 
         private void loadBeatmap()
         {
+            void updateState()
+            {
+                State = beatmap == null ? Visibility.Hidden : Visibility.Visible;
+
+                Info?.FadeOut(250);
+                Info?.Expire();
+            }
+
+            if (beatmap == null)
+            {
+                updateState();
+                return;
+            }
+
             LoadComponentAsync(new BufferedWedgeInfo(beatmap, ruleset.Value)
             {
                 Shear = -Shear,
                 Depth = Info?.Depth + 1 ?? 0,
             }, newInfo =>
             {
-                State = beatmap == null ? Visibility.Hidden : Visibility.Visible;
+                updateState();
-
-                Info?.FadeOut(250);
-                Info?.Expire();
-
                 Add(Info = newInfo);
             });
         }