Merge branch 'master' of https://github.com/ppy/osu into Private_Messages

# Conflicts:
#	osu.Game/Overlays/Chat/ChatTabControl.cs
#	osu.Game/Overlays/ChatOverlay.cs

README.md

@@ -26,7 +26,7 @@ Build and run
 - Using Visual Studio 2017, Rider or Visual Studio Code (configurations are included)
 - From command line using `dotnet run --project osu.Desktop --framework netcoreapp2.1`
 
-The above methods should automatically do so, but if you run into issues building you may need to restore nuget packages (commonly via `dotnet restore`).
+If you run into issues building you may need to restore nuget packages (commonly via `dotnet restore`). Visual Studio Code users must run `Restore` task from debug tab before attempt to build.
 
 # Contributing
 

appveyor.yml

@@ -2,6 +2,9 @@ clone_depth: 1
 version: '{branch}-{build}'
 image: Visual Studio 2017
 configuration: Debug
+cache:
+  - C:\ProgramData\chocolatey\bin -> appveyor.yml
+  - C:\ProgramData\chocolatey\lib -> appveyor.yml
 install:
   - cmd: git submodule update --init --recursive --depth=5
   - cmd: choco install resharper-clt -y
@@ -18,4 +21,4 @@ build:
   verbosity: minimal
 after_build:
   - cmd: inspectcode --o="inspectcodereport.xml" --projects:osu.Game* --caches-home="inspectcode" osu.sln > NUL
-  - cmd: NVika parsereport "inspectcodereport.xml" --treatwarningsaserrors
+  - cmd: NVika parsereport "inspectcodereport.xml" --treatwarningsaserrors

osu.Desktop/OsuGameDesktop.cs

@@ -12,6 +12,7 @@ using osu.Framework.Platform;
 using osu.Game;
 using OpenTK.Input;
 using Microsoft.Win32;
+using osu.Desktop.Updater;
 using osu.Framework.Platform.Windows;
 
 namespace osu.Desktop
@@ -38,6 +39,52 @@ namespace osu.Desktop
             }
         }
 
+        protected override void LoadComplete()
+        {
+            base.LoadComplete();
+
+            if (!noVersionOverlay)
+            {
+                LoadComponentAsync(new VersionManager { Depth = int.MinValue }, v =>
+                {
+                    Add(v);
+                    v.State = Visibility.Visible;
+                });
+
+#if NET_FRAMEWORK
+                Add(new SquirrelUpdateManager());
+#else
+                Add(new SimpleUpdateManager());
+#endif
+            }
+        }
+
+        public override void SetHost(GameHost host)
+        {
+            base.SetHost(host);
+            var desktopWindow = host.Window as DesktopGameWindow;
+            if (desktopWindow != null)
+            {
+                desktopWindow.CursorState |= CursorState.Hidden;
+
+                desktopWindow.SetIconFromStream(Assembly.GetExecutingAssembly().GetManifestResourceStream(GetType(), "lazer.ico"));
+                desktopWindow.Title = Name;
+
+                desktopWindow.FileDrop += fileDrop;
+            }
+        }
+
+        private void fileDrop(object sender, FileDropEventArgs e)
+        {
+            var filePaths = new[] { e.FileName };
+
+            var firstExtension = Path.GetExtension(filePaths.First());
+
+            if (filePaths.Any(f => Path.GetExtension(f) != firstExtension)) return;
+
+            Task.Factory.StartNew(() => Import(filePaths), TaskCreationOptions.LongRunning);
+        }
+
         /// <summary>
         /// A method of accessing an osu-stable install in a controlled fashion.
         /// </summary>
@@ -77,45 +124,5 @@ namespace osu.Desktop
             {
             }
         }
-
-        protected override void LoadComplete()
-        {
-            base.LoadComplete();
-
-            if (!noVersionOverlay)
-            {
-                LoadComponentAsync(new VersionManager { Depth = int.MinValue }, v =>
-                {
-                    Add(v);
-                    v.State = Visibility.Visible;
-                });
-            }
-        }
-
-        public override void SetHost(GameHost host)
-        {
-            base.SetHost(host);
-            var desktopWindow = host.Window as DesktopGameWindow;
-            if (desktopWindow != null)
-            {
-                desktopWindow.CursorState |= CursorState.Hidden;
-
-                desktopWindow.SetIconFromStream(Assembly.GetExecutingAssembly().GetManifestResourceStream(GetType(), "lazer.ico"));
-                desktopWindow.Title = Name;
-
-                desktopWindow.FileDrop += fileDrop;
-            }
-        }
-
-        private void fileDrop(object sender, FileDropEventArgs e)
-        {
-            var filePaths = new[] { e.FileName };
-
-            var firstExtension = Path.GetExtension(filePaths.First());
-
-            if (filePaths.Any(f => Path.GetExtension(f) != firstExtension)) return;
-
-            Task.Factory.StartNew(() => Import(filePaths), TaskCreationOptions.LongRunning);
-        }
     }
 }

osu.Desktop/Overlays/VersionManager.cs

@@ -91,10 +91,6 @@ namespace osu.Desktop.Overlays
                     }
                 }
             };
-
-#if NET_FRAMEWORK
-            Add(new SquirrelUpdateManager());
-#endif
         }
 
         protected override void LoadComplete()

osu.Desktop/Program.cs

@@ -7,6 +7,7 @@ using System.Linq;
 using osu.Framework;
 using osu.Framework.Platform;
 using osu.Game.IPC;
+
 #if NET_FRAMEWORK
 using System.Runtime;
 #endif
@@ -18,10 +19,7 @@ namespace osu.Desktop
         [STAThread]
         public static int Main(string[] args)
         {
-            // required to initialise native SQLite libraries on some platforms.
+            useMultiCoreJit();
-
-            if (!RuntimeInfo.IsMono)
-                useMulticoreJit();
 
             // Back up the cwd before DesktopGameHost changes it
             var cwd = Environment.CurrentDirectory;
@@ -54,7 +52,7 @@ namespace osu.Desktop
             }
         }
 
-        private static void useMulticoreJit()
+        private static void useMultiCoreJit()
         {
 #if NET_FRAMEWORK
             var directory = Directory.CreateDirectory(Path.Combine(AppDomain.CurrentDomain.BaseDirectory, "Profiles"));

osu.Desktop/Updater/SimpleUpdateManager.cs

@@ -0,0 +1,103 @@
+// 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.Linq;
+using System.Threading.Tasks;
+using Newtonsoft.Json;
+using osu.Framework;
+using osu.Framework.Allocation;
+using osu.Framework.Graphics.Containers;
+using osu.Framework.IO.Network;
+using osu.Framework.Platform;
+using osu.Game;
+using osu.Game.Graphics;
+using osu.Game.Overlays;
+using osu.Game.Overlays.Notifications;
+
+namespace osu.Desktop.Updater
+{
+    /// <summary>
+    /// An update manager that shows notifications if a newer release is detected.
+    /// Installation is left up to the user.
+    /// </summary>
+    internal class SimpleUpdateManager : CompositeDrawable
+    {
+        private NotificationOverlay notificationOverlay;
+        private string version;
+        private GameHost host;
+
+        [BackgroundDependencyLoader]
+        private void load(NotificationOverlay notification, OsuGameBase game, GameHost host)
+        {
+            notificationOverlay = notification;
+
+            this.host = host;
+            version = game.Version;
+
+            if (game.IsDeployedBuild)
+                Schedule(() => Task.Run(() => checkForUpdateAsync()));
+        }
+
+        private async void checkForUpdateAsync()
+        {
+            var releases = new JsonWebRequest<GitHubRelease>("https://api.github.com/repos/ppy/osu/releases/latest");
+            await releases.PerformAsync();
+
+            var latest = releases.ResponseObject;
+
+            if (latest.TagName != version)
+            {
+                notificationOverlay.Post(new SimpleNotification
+                {
+                    Text = $"A newer release of osu! has been found ({version} → {latest.TagName}).\n\n"
+                           + "Click here to download the new version, which can be installed over the top of your existing installation",
+                    Icon = FontAwesome.fa_upload,
+                    Activated = () =>
+                    {
+                        host.OpenUrlExternally(getBestUrl(latest));
+                        return true;
+                    }
+                });
+            }
+        }
+
+        private string getBestUrl(GitHubRelease release)
+        {
+            GitHubAsset bestAsset = null;
+
+            switch (RuntimeInfo.OS)
+            {
+                case RuntimeInfo.Platform.Windows:
+                    bestAsset = release.Assets?.FirstOrDefault(f => f.Name.EndsWith(".exe"));
+                    break;
+                case RuntimeInfo.Platform.MacOsx:
+                    bestAsset = release.Assets?.FirstOrDefault(f => f.Name.EndsWith(".app.zip"));
+                    break;
+            }
+
+            return bestAsset?.BrowserDownloadUrl ?? release.HtmlUrl;
+        }
+
+        public class GitHubRelease
+        {
+            [JsonProperty("html_url")]
+            public string HtmlUrl { get; set; }
+
+            [JsonProperty("tag_name")]
+            public string TagName { get; set; }
+
+            [JsonProperty("assets")]
+            public List<GitHubAsset> Assets { get; set; }
+        }
+
+        public class GitHubAsset
+        {
+            [JsonProperty("name")]
+            public string Name { get; set; }
+
+            [JsonProperty("browser_download_url")]
+            public string BrowserDownloadUrl { get; set; }
+        }
+    }
+}

osu.Desktop/Updater/SquirrelUpdateManager.cs

@@ -3,6 +3,7 @@
 
 #if NET_FRAMEWORK
 using System;
+using System.Threading.Tasks;
 using osu.Framework.Allocation;
 using osu.Framework.Graphics;
 using osu.Framework.Graphics.Colour;
@@ -16,7 +17,7 @@ using OpenTK;
 using OpenTK.Graphics;
 using Squirrel;
 
-namespace osu.Desktop.Overlays
+namespace osu.Desktop.Updater
 {
     public class SquirrelUpdateManager : Component
     {
@@ -35,7 +36,7 @@ namespace osu.Desktop.Overlays
             notificationOverlay = notification;
 
             if (game.IsDeployedBuild)
-                Schedule(() => checkForUpdateAsync());
+                Schedule(() => Task.Run(() => checkForUpdateAsync()));
         }
 
         private async void checkForUpdateAsync(bool useDeltaPatching = true, UpdateProgressNotification notification = null)

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

@@ -28,18 +28,20 @@ namespace osu.Game.Rulesets.Catch.Tests
 
         protected override IEnumerable<ConvertValue> CreateConvertValue(HitObject hitObject)
         {
-            if (hitObject is JuiceStream stream)
+            switch (hitObject)
             {
-                foreach (var nested in stream.NestedHitObjects)
+                case JuiceStream stream:
-                    yield return new ConvertValue((CatchHitObject)nested);
+                    foreach (var nested in stream.NestedHitObjects)
+                        yield return new ConvertValue((CatchHitObject)nested);
+                    break;
+                case BananaShower shower:
+                    foreach (var nested in shower.NestedHitObjects)
+                        yield return new ConvertValue((CatchHitObject)nested);
+                    break;
+                default:
+                    yield return new ConvertValue((CatchHitObject)hitObject);
+                    break;
             }
-            else if (hitObject is BananaShower shower)
-            {
-                foreach (var nested in shower.NestedHitObjects)
-                    yield return new ConvertValue((CatchHitObject)nested);
-            }
-            else
-                yield return new ConvertValue((CatchHitObject)hitObject);
         }
 
         protected override Ruleset CreateRuleset() => new CatchRuleset();

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

@@ -55,7 +55,7 @@ namespace osu.Game.Rulesets.Catch.Tests
             {
             }
 
-            public void ToggleHyperDash(bool status) => MovableCatcher.SetHyperdashState(status ? 2 : 1);
+            public void ToggleHyperDash(bool status) => MovableCatcher.SetHyperDashState(status ? 2 : 1);
         }
     }
 }

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

@@ -8,9 +8,9 @@ using osu.Game.Rulesets.Catch.Objects;
 namespace osu.Game.Rulesets.Catch.Tests
 {
     [TestFixture]
-    public class TestCaseHyperdash : Game.Tests.Visual.TestCasePlayer
+    public class TestCaseHyperDash : Game.Tests.Visual.TestCasePlayer
     {
-        public TestCaseHyperdash()
+        public TestCaseHyperDash()
             : base(new CatchRuleset())
         {
         }

osu.Game.Rulesets.Catch/Difficulty/CatchDifficultyCalculator.cs

@@ -46,13 +46,16 @@ namespace osu.Game.Rulesets.Catch.Difficulty
 
             foreach (var hitObject in beatmap.HitObjects)
             {
-                // We want to only consider fruits that contribute to the combo. Droplets are addressed as accuracy and spinners are not relevant for "skill" calculations.
+                switch (hitObject)
-                if (hitObject is Fruit)
                 {
-                    difficultyHitObjects.Add(new CatchDifficultyHitObject((CatchHitObject)hitObject, halfCatchWidth));
+                    // We want to only consider fruits that contribute to the combo. Droplets are addressed as accuracy and spinners are not relevant for "skill" calculations.
+                    case Fruit fruit:
+                        difficultyHitObjects.Add(new CatchDifficultyHitObject(fruit, halfCatchWidth));
+                        break;
+                    case JuiceStream _:
+                        difficultyHitObjects.AddRange(hitObject.NestedHitObjects.OfType<CatchHitObject>().Where(o => !(o is TinyDroplet)).Select(o => new CatchDifficultyHitObject(o, halfCatchWidth)));
+                        break;
                 }
-                if (hitObject is JuiceStream)
-                    difficultyHitObjects.AddRange(hitObject.NestedHitObjects.OfType<CatchHitObject>().Where(o => !(o is TinyDroplet)).Select(o => new CatchDifficultyHitObject(o, halfCatchWidth)));
             }
 
             difficultyHitObjects.Sort((a, b) => a.BaseHitObject.StartTime.CompareTo(b.BaseHitObject.StartTime));
@@ -61,12 +64,12 @@ namespace osu.Game.Rulesets.Catch.Difficulty
                 return new CatchDifficultyAttributes(mods, 0);
 
             // this is the same as osu!, so there's potential to share the implementation... maybe
-            double preEmpt = BeatmapDifficulty.DifficultyRange(beatmap.BeatmapInfo.BaseDifficulty.ApproachRate, 1800, 1200, 450) / timeRate;
+            double preempt = BeatmapDifficulty.DifficultyRange(beatmap.BeatmapInfo.BaseDifficulty.ApproachRate, 1800, 1200, 450) / timeRate;
             double starRating = Math.Sqrt(calculateDifficulty(difficultyHitObjects, timeRate)) * star_scaling_factor;
 
             return new CatchDifficultyAttributes(mods, starRating)
             {
-                ApproachRate = preEmpt > 1200.0 ? -(preEmpt - 1800.0) / 120.0 : -(preEmpt - 1200.0) / 150.0 + 5.0,
+                ApproachRate = preempt > 1200.0 ? -(preempt - 1800.0) / 120.0 : -(preempt - 1200.0) / 150.0 + 5.0,
                 MaxCombo = difficultyHitObjects.Count
             };
         }

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

@@ -2,7 +2,7 @@
 // Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
 
 using System.Collections.Generic;
-using osu.Framework.Input;
+using osu.Framework.Input.StateChanges;
 using osu.Framework.MathUtils;
 using osu.Game.Rulesets.Replays;
 

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

@@ -23,8 +23,10 @@ namespace osu.Game.Rulesets.Catch.UI
         private readonly CatcherArea catcherArea;
 
         public CatchPlayfield(BeatmapDifficulty difficulty, Func<CatchHitObject, DrawableHitObject<CatchHitObject>> getVisualRepresentation)
-            : base(ScrollingDirection.Down, BASE_WIDTH)
+            : base(BASE_WIDTH)
         {
+            Direction.Value = ScrollingDirection.Down;
+
             Container explodingFruitContainer;
 
             Anchor = Anchor.TopCentre;

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

@@ -255,11 +255,11 @@ namespace osu.Game.Rulesets.Catch.UI
                     double positionDifference = target.X * CatchPlayfield.BASE_WIDTH - catcherPosition;
                     double velocity = positionDifference / Math.Max(1.0, timeDifference - 1000.0 / 60.0);
 
-                    SetHyperdashState(Math.Abs(velocity), target.X);
+                    SetHyperDashState(Math.Abs(velocity), target.X);
                 }
                 else
                 {
-                    SetHyperdashState();
+                    SetHyperDashState();
                 }
 
                 return validCatch;
@@ -270,18 +270,18 @@ namespace osu.Game.Rulesets.Catch.UI
             private float hyperDashTargetPosition;
 
             /// <summary>
-            /// Whether we are hypderdashing or not.
+            /// Whether we are hyper-dashing or not.
             /// </summary>
             public bool HyperDashing => hyperDashModifier != 1;
 
             /// <summary>
-            /// Set hyperdash state.
+            /// Set hyper-dash state.
             /// </summary>
-            /// <param name="modifier">The speed multiplier. If this is less or equals to 1, this catcher will be non-hyperdashing state.</param>
+            /// <param name="modifier">The speed multiplier. If this is less or equals to 1, this catcher will be non-hyper-dashing state.</param>
-            /// <param name="targetPosition">When this catcher crosses this position, this catcher ends hyperdashing.</param>
+            /// <param name="targetPosition">When this catcher crosses this position, this catcher ends hyper-dashing.</param>
-            public void SetHyperdashState(double modifier = 1, float targetPosition = -1)
+            public void SetHyperDashState(double modifier = 1, float targetPosition = -1)
             {
-                const float hyperdash_transition_length = 180;
+                const float hyper_dash_transition_length = 180;
 
                 bool previouslyHyperDashing = HyperDashing;
                 if (modifier <= 1 || X == targetPosition)
@@ -291,8 +291,8 @@ namespace osu.Game.Rulesets.Catch.UI
 
                     if (previouslyHyperDashing)
                     {
-                        this.FadeColour(Color4.White, hyperdash_transition_length, Easing.OutQuint);
+                        this.FadeColour(Color4.White, hyper_dash_transition_length, Easing.OutQuint);
-                        this.FadeTo(1, hyperdash_transition_length, Easing.OutQuint);
+                        this.FadeTo(1, hyper_dash_transition_length, Easing.OutQuint);
                     }
                 }
                 else
@@ -303,8 +303,8 @@ namespace osu.Game.Rulesets.Catch.UI
 
                     if (!previouslyHyperDashing)
                     {
-                        this.FadeColour(Color4.OrangeRed, hyperdash_transition_length, Easing.OutQuint);
+                        this.FadeColour(Color4.OrangeRed, hyper_dash_transition_length, Easing.OutQuint);
-                        this.FadeTo(0.2f, hyperdash_transition_length, Easing.OutQuint);
+                        this.FadeTo(0.2f, hyper_dash_transition_length, Easing.OutQuint);
                         Trail = true;
                     }
                 }
@@ -370,7 +370,7 @@ namespace osu.Game.Rulesets.Catch.UI
                     hyperDashDirection < 0 && hyperDashTargetPosition > X)
                 {
                     X = hyperDashTargetPosition;
-                    SetHyperdashState();
+                    SetHyperDashState();
                 }
             }
 

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

@@ -21,9 +21,9 @@ namespace osu.Game.Rulesets.Mania.Tests
             this.direction = direction;
         }
 
-        protected override IReadOnlyDependencyContainer CreateLocalDependencies(IReadOnlyDependencyContainer parent)
+        protected override IReadOnlyDependencyContainer CreateChildDependencies(IReadOnlyDependencyContainer parent)
         {
-            var dependencies = new DependencyContainer(base.CreateLocalDependencies(parent));
+            var dependencies = new DependencyContainer(base.CreateChildDependencies(parent));
             dependencies.CacheAs<IScrollingInfo>(new ScrollingInfo { Direction = { Value = direction }});
             return dependencies;
         }

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

@@ -86,7 +86,7 @@ namespace osu.Game.Rulesets.Mania.Tests
 
         private Drawable createColumn(ScrollingDirection direction, ManiaAction action)
         {
-            var column = new Column(direction)
+            var column = new Column
             {
                 Anchor = Anchor.Centre,
                 Origin = Anchor.Centre,

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

@@ -137,9 +137,9 @@ namespace osu.Game.Rulesets.Mania.Tests
                 };
             }
 
-            protected override IReadOnlyDependencyContainer CreateLocalDependencies(IReadOnlyDependencyContainer parent)
+            protected override IReadOnlyDependencyContainer CreateChildDependencies(IReadOnlyDependencyContainer parent)
             {
-                var dependencies = new DependencyContainer(base.CreateLocalDependencies(parent));
+                var dependencies = new DependencyContainer(base.CreateChildDependencies(parent));
                 dependencies.CacheAs<IBindable<ManiaAction>>(new Bindable<ManiaAction>());
                 return dependencies;
             }

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

@@ -105,7 +105,7 @@ namespace osu.Game.Rulesets.Mania.Tests
         {
             var specialAction = ManiaAction.Special1;
 
-            var stage = new ManiaStage(direction, 0, new StageDefinition { Columns = 2 }, ref action, ref specialAction) { VisibleTimeRange = { Value = 2000 } };
+            var stage = new ManiaStage(0, new StageDefinition { Columns = 2 }, ref action, ref specialAction) { VisibleTimeRange = { Value = 2000 } };
             stages.Add(stage);
 
             return new ScrollingTestContainer(direction)

osu.Game.Rulesets.Mania/Beatmaps/Patterns/Legacy/DistanceObjectPatternGenerator.cs

@@ -133,26 +133,26 @@ namespace osu.Game.Rulesets.Mania.Beatmaps.Patterns.Legacy
 
             if (ConversionDifficulty > 6.5)
             {
-                if ((convertType & PatternType.LowProbability) > 0)
+                if (convertType.HasFlag(PatternType.LowProbability))
                     return generateNRandomNotes(HitObject.StartTime, 0.78, 0.3, 0);
                 return generateNRandomNotes(HitObject.StartTime, 0.85, 0.36, 0.03);
             }
 
             if (ConversionDifficulty > 4)
             {
-                if ((convertType & PatternType.LowProbability) > 0)
+                if (convertType.HasFlag(PatternType.LowProbability))
                     return generateNRandomNotes(HitObject.StartTime, 0.43, 0.08, 0);
                 return generateNRandomNotes(HitObject.StartTime, 0.56, 0.18, 0);
             }
 
             if (ConversionDifficulty > 2.5)
             {
-                if ((convertType & PatternType.LowProbability) > 0)
+                if (convertType.HasFlag(PatternType.LowProbability))
                     return generateNRandomNotes(HitObject.StartTime, 0.3, 0, 0);
                 return generateNRandomNotes(HitObject.StartTime, 0.37, 0.08, 0);
             }
 
-            if ((convertType & PatternType.LowProbability) > 0)
+            if (convertType.HasFlag(PatternType.LowProbability))
                 return generateNRandomNotes(HitObject.StartTime, 0.17, 0, 0);
             return generateNRandomNotes(HitObject.StartTime, 0.27, 0, 0);
         }
@@ -209,7 +209,7 @@ namespace osu.Game.Rulesets.Mania.Beatmaps.Patterns.Legacy
             var pattern = new Pattern();
 
             int nextColumn = GetColumn((HitObject as IHasXPosition)?.X ?? 0, true);
-            if ((convertType & PatternType.ForceNotStack) > 0 && PreviousPattern.ColumnWithObjects < TotalColumns)
+            if (convertType.HasFlag(PatternType.ForceNotStack) && PreviousPattern.ColumnWithObjects < TotalColumns)
             {
                 while (PreviousPattern.ColumnHasObject(nextColumn))
                     nextColumn = Random.Next(RandomStart, TotalColumns);
@@ -361,7 +361,7 @@ namespace osu.Game.Rulesets.Mania.Beatmaps.Patterns.Legacy
 
             bool isDoubleSample(SampleInfo sample) => sample.Name == SampleInfo.HIT_CLAP || sample.Name == SampleInfo.HIT_FINISH;
 
-            bool canGenerateTwoNotes = (convertType & PatternType.LowProbability) == 0;
+            bool canGenerateTwoNotes = !convertType.HasFlag(PatternType.LowProbability);
             canGenerateTwoNotes &= HitObject.Samples.Any(isDoubleSample) || sampleInfoListAt(HitObject.StartTime).Any(isDoubleSample);
 
             if (canGenerateTwoNotes)
@@ -391,7 +391,7 @@ namespace osu.Game.Rulesets.Mania.Beatmaps.Patterns.Legacy
             int columnRepeat = Math.Min(spanCount, TotalColumns);
 
             int nextColumn = GetColumn((HitObject as IHasXPosition)?.X ?? 0, true);
-            if ((convertType & PatternType.ForceNotStack) > 0 && PreviousPattern.ColumnWithObjects < TotalColumns)
+            if (convertType.HasFlag(PatternType.ForceNotStack) && PreviousPattern.ColumnWithObjects < TotalColumns)
             {
                 while (PreviousPattern.ColumnHasObject(nextColumn))
                     nextColumn = Random.Next(RandomStart, TotalColumns);
@@ -425,7 +425,7 @@ namespace osu.Game.Rulesets.Mania.Beatmaps.Patterns.Legacy
             var pattern = new Pattern();
 
             int holdColumn = GetColumn((HitObject as IHasXPosition)?.X ?? 0, true);
-            if ((convertType & PatternType.ForceNotStack) > 0 && PreviousPattern.ColumnWithObjects < TotalColumns)
+            if (convertType.HasFlag(PatternType.ForceNotStack) && PreviousPattern.ColumnWithObjects < TotalColumns)
             {
                 while (PreviousPattern.ColumnHasObject(holdColumn))
                     holdColumn = Random.Next(RandomStart, TotalColumns);

osu.Game.Rulesets.Mania/Beatmaps/Patterns/Legacy/EndTimeObjectPatternGenerator.cs

@@ -19,9 +19,7 @@ namespace osu.Game.Rulesets.Mania.Beatmaps.Patterns.Legacy
         public EndTimeObjectPatternGenerator(FastRandom random, HitObject hitObject, ManiaBeatmap beatmap, IBeatmap originalBeatmap)
             : base(random, hitObject, beatmap, new Pattern(), originalBeatmap)
         {
-            var endtimeData = HitObject as IHasEndTime;
+            endTime = (HitObject as IHasEndTime)?.EndTime ?? 0;
-
-            endTime = endtimeData?.EndTime ?? 0;
         }
 
         public override IEnumerable<Pattern> Generate()
@@ -35,15 +33,19 @@ namespace osu.Game.Rulesets.Mania.Beatmaps.Patterns.Legacy
 
             bool generateHold = endTime - HitObject.StartTime >= 100;
 
-            if (TotalColumns == 8)
+            switch (TotalColumns)
             {
-                if (HitObject.Samples.Any(s => s.Name == SampleInfo.HIT_FINISH) && endTime - HitObject.StartTime < 1000)
+                case 8 when HitObject.Samples.Any(s => s.Name == SampleInfo.HIT_FINISH) && endTime - HitObject.StartTime < 1000:
                     addToPattern(pattern, 0, generateHold);
-                else
+                    break;
+                case 8:
                     addToPattern(pattern, getNextRandomColumn(RandomStart), generateHold);
+                    break;
+                default:
+                    if (TotalColumns > 0)
+                        addToPattern(pattern, getNextRandomColumn(0), generateHold);
+                    break;
             }
-            else if (TotalColumns > 0)
-                addToPattern(pattern, getNextRandomColumn(0), generateHold);
 
             return pattern;
         }

osu.Game.Rulesets.Mania/Beatmaps/Patterns/Legacy/HitObjectPatternGenerator.cs

@@ -21,7 +21,8 @@ namespace osu.Game.Rulesets.Mania.Beatmaps.Patterns.Legacy
 
         private readonly PatternType convertType;
 
-        public HitObjectPatternGenerator(FastRandom random, HitObject hitObject, ManiaBeatmap beatmap, Pattern previousPattern, double previousTime, Vector2 previousPosition, double density, PatternType lastStair, IBeatmap originalBeatmap)
+        public HitObjectPatternGenerator(FastRandom random, HitObject hitObject, ManiaBeatmap beatmap, Pattern previousPattern, double previousTime, Vector2 previousPosition, double density,
+                                         PatternType lastStair, IBeatmap originalBeatmap)
             : base(random, hitObject, beatmap, previousPattern, originalBeatmap)
         {
             if (previousTime > hitObject.StartTime) throw new ArgumentOutOfRangeException(nameof(previousTime));
@@ -79,7 +80,7 @@ namespace osu.Game.Rulesets.Mania.Beatmaps.Patterns.Legacy
             else
                 convertType |= PatternType.LowProbability;
 
-            if ((convertType & PatternType.KeepSingle) == 0)
+            if (!convertType.HasFlag(PatternType.KeepSingle))
             {
                 if (HitObject.Samples.Any(s => s.Name == SampleInfo.HIT_FINISH) && TotalColumns != 8)
                     convertType |= PatternType.Mirror;
@@ -107,7 +108,7 @@ namespace osu.Game.Rulesets.Mania.Beatmaps.Patterns.Legacy
 
                 int lastColumn = PreviousPattern.HitObjects.FirstOrDefault()?.Column ?? 0;
 
-                if ((convertType & PatternType.Reverse) > 0 && PreviousPattern.HitObjects.Any())
+                if (convertType.HasFlag(PatternType.Reverse) && PreviousPattern.HitObjects.Any())
                 {
                     // Generate a new pattern by copying the last hit objects in reverse-column order
                     for (int i = RandomStart; i < TotalColumns; i++)
@@ -117,7 +118,7 @@ namespace osu.Game.Rulesets.Mania.Beatmaps.Patterns.Legacy
                     return pattern;
                 }
 
-                if ((convertType & PatternType.Cycle) > 0 && PreviousPattern.HitObjects.Count() == 1
+                if (convertType.HasFlag(PatternType.Cycle) && PreviousPattern.HitObjects.Count() == 1
                                                           // If we convert to 7K + 1, let's not overload the special key
                                                           && (TotalColumns != 8 || lastColumn != 0)
                                                           // Make sure the last column was not the centre column
@@ -130,7 +131,7 @@ namespace osu.Game.Rulesets.Mania.Beatmaps.Patterns.Legacy
                     return pattern;
                 }
 
-                if ((convertType & PatternType.ForceStack) > 0 && PreviousPattern.HitObjects.Any())
+                if (convertType.HasFlag(PatternType.ForceStack) && PreviousPattern.HitObjects.Any())
                 {
                     // Generate a new pattern by placing on the already filled columns
                     for (int i = RandomStart; i < TotalColumns; i++)
@@ -142,7 +143,7 @@ namespace osu.Game.Rulesets.Mania.Beatmaps.Patterns.Legacy
 
                 if (PreviousPattern.HitObjects.Count() == 1)
                 {
-                    if ((convertType & PatternType.Stair) > 0)
+                    if (convertType.HasFlag(PatternType.Stair))
                     {
                         // Generate a new pattern by placing on the next column, cycling back to the start if there is no "next"
                         int targetColumn = lastColumn + 1;
@@ -153,7 +154,7 @@ namespace osu.Game.Rulesets.Mania.Beatmaps.Patterns.Legacy
                         return pattern;
                     }
 
-                    if ((convertType & PatternType.ReverseStair) > 0)
+                    if (convertType.HasFlag(PatternType.ReverseStair))
                     {
                         // Generate a new pattern by placing on the previous column, cycling back to the end if there is no "previous"
                         int targetColumn = lastColumn - 1;
@@ -165,10 +166,10 @@ namespace osu.Game.Rulesets.Mania.Beatmaps.Patterns.Legacy
                     }
                 }
 
-                if ((convertType & PatternType.KeepSingle) > 0)
+                if (convertType.HasFlag(PatternType.KeepSingle))
                     return pattern = generateRandomNotes(1);
 
-                if ((convertType & PatternType.Mirror) > 0)
+                if (convertType.HasFlag(PatternType.Mirror))
                 {
                     if (ConversionDifficulty > 6.5)
                         return pattern = generateRandomPatternWithMirrored(0.12, 0.38, 0.12);
@@ -179,21 +180,21 @@ namespace osu.Game.Rulesets.Mania.Beatmaps.Patterns.Legacy
 
                 if (ConversionDifficulty > 6.5)
                 {
-                    if ((convertType & PatternType.LowProbability) > 0)
+                    if (convertType.HasFlag(PatternType.LowProbability))
                         return pattern = generateRandomPattern(0.78, 0.42, 0, 0);
                     return pattern = generateRandomPattern(1, 0.62, 0, 0);
                 }
 
                 if (ConversionDifficulty > 4)
                 {
-                    if ((convertType & PatternType.LowProbability) > 0)
+                    if (convertType.HasFlag(PatternType.LowProbability))
                         return pattern = generateRandomPattern(0.35, 0.08, 0, 0);
                     return pattern = generateRandomPattern(0.52, 0.15, 0, 0);
                 }
 
                 if (ConversionDifficulty > 2)
                 {
-                    if ((convertType & PatternType.LowProbability) > 0)
+                    if (convertType.HasFlag(PatternType.LowProbability))
                         return pattern = generateRandomPattern(0.18, 0, 0, 0);
                     return pattern = generateRandomPattern(0.45, 0, 0, 0);
                 }
@@ -204,9 +205,9 @@ namespace osu.Game.Rulesets.Mania.Beatmaps.Patterns.Legacy
             {
                 foreach (var obj in pattern.HitObjects)
                 {
-                    if ((convertType & PatternType.Stair) > 0 && obj.Column == TotalColumns - 1)
+                    if (convertType.HasFlag(PatternType.Stair) && obj.Column == TotalColumns - 1)
                         StairType = PatternType.ReverseStair;
-                    if ((convertType & PatternType.ReverseStair) > 0 && obj.Column == RandomStart)
+                    if (convertType.HasFlag(PatternType.ReverseStair) && obj.Column == RandomStart)
                         StairType = PatternType.Stair;
                 }
             }
@@ -225,7 +226,7 @@ namespace osu.Game.Rulesets.Mania.Beatmaps.Patterns.Legacy
         {
             var pattern = new Pattern();
 
-            bool allowStacking = (convertType & PatternType.ForceNotStack) == 0;
+            bool allowStacking = !convertType.HasFlag(PatternType.ForceNotStack);
 
             if (!allowStacking)
                 noteCount = Math.Min(noteCount, TotalColumns - RandomStart - PreviousPattern.ColumnWithObjects);
@@ -235,7 +236,7 @@ namespace osu.Game.Rulesets.Mania.Beatmaps.Patterns.Legacy
             {
                 while (pattern.ColumnHasObject(nextColumn) || PreviousPattern.ColumnHasObject(nextColumn) && !allowStacking)
                 {
-                    if ((convertType & PatternType.Gathered) > 0)
+                    if (convertType.HasFlag(PatternType.Gathered))
                     {
                         nextColumn++;
                         if (nextColumn == TotalColumns)
@@ -367,7 +368,7 @@ namespace osu.Game.Rulesets.Mania.Beatmaps.Patterns.Legacy
         {
             addToCentre = false;
 
-            if ((convertType & PatternType.ForceNotStack) > 0)
+            if (convertType.HasFlag(PatternType.ForceNotStack))
                 return getRandomNoteCount(1 / 2f + p2 / 2, p2, (p2 + p3) / 2, p3);
 
             switch (TotalColumns)

osu.Game.Rulesets.Mania/ManiaSettingsSubsection.cs

@@ -19,14 +19,14 @@ namespace osu.Game.Rulesets.Mania
         }
 
         [BackgroundDependencyLoader]
-        private void load(ManiaConfigManager config)
+        private void load()
         {
             Children = new Drawable[]
             {
                 new SettingsEnumDropdown<ManiaScrollingDirection>
                 {
                     LabelText = "Scrolling direction",
-                    Bindable = config.GetBindable<ManiaScrollingDirection>(ManiaSetting.ScrollDirection)
+                    Bindable = ((ManiaConfigManager)Config).GetBindable<ManiaScrollingDirection>(ManiaSetting.ScrollDirection)
                 }
             };
         }

osu.Game.Rulesets.Mania/Replays/ManiaAutoGenerator.cs

@@ -56,10 +56,15 @@ namespace osu.Game.Rulesets.Mania.Replays
             {
                 foreach (var point in group)
                 {
-                    if (point is HitPoint)
+                    switch (point)
-                        actions.Add(columnActions[point.Column]);
+                    {
-                    if (point is ReleasePoint)
+                        case HitPoint _:
-                        actions.Remove(columnActions[point.Column]);
+                            actions.Add(columnActions[point.Column]);
+                            break;
+                        case ReleasePoint _:
+                            actions.Remove(columnActions[point.Column]);
+                            break;
+                    }
                 }
 
                 Replay.Frames.Add(new ManiaReplayFrame(group.First().Time, actions.ToArray()));

osu.Game.Rulesets.Mania/Replays/ManiaFramedReplayInputHandler.cs

@@ -3,7 +3,7 @@
 
 using System.Collections.Generic;
 using System.Linq;
-using osu.Framework.Input;
+using osu.Framework.Input.StateChanges;
 using osu.Game.Rulesets.Replays;
 
 namespace osu.Game.Rulesets.Mania.Replays

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

@@ -32,8 +32,7 @@ namespace osu.Game.Rulesets.Mania.UI
 
         protected override Container<Drawable> Content => hitObjectArea;
 
-        public Column(ScrollingDirection direction)
+        public Column()
-            : base(direction)
         {
             RelativeSizeAxes = Axes.Y;
             Width = column_width;
@@ -118,9 +117,9 @@ namespace osu.Game.Rulesets.Mania.UI
             }
         }
 
-        protected override IReadOnlyDependencyContainer CreateLocalDependencies(IReadOnlyDependencyContainer parent)
+        protected override IReadOnlyDependencyContainer CreateChildDependencies(IReadOnlyDependencyContainer parent)
         {
-            var dependencies = new DependencyContainer(base.CreateLocalDependencies(parent));
+            var dependencies = new DependencyContainer(base.CreateChildDependencies(parent));
             dependencies.CacheAs<IBindable<ManiaAction>>(Action);
             return dependencies;
         }
@@ -139,7 +138,7 @@ namespace osu.Game.Rulesets.Mania.UI
 
         internal void OnJudgement(DrawableHitObject judgedObject, Judgement judgement)
         {
-            if (!judgement.IsHit || !judgedObject.DisplayJudgement)
+            if (!judgement.IsHit || !judgedObject.DisplayJudgement || !DisplayJudgements)
                 return;
 
             explosionContainer.Add(new HitExplosion(judgedObject)

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

@@ -8,11 +8,9 @@ using System;
 using System.Collections.Generic;
 using System.Linq;
 using osu.Framework.Allocation;
-using osu.Game.Rulesets.Judgements;
 using osu.Game.Rulesets.Mania.Beatmaps;
 using osu.Game.Rulesets.Objects.Drawables;
 using osu.Game.Rulesets.Mania.Configuration;
-using osu.Game.Rulesets.UI.Scrolling;
 
 namespace osu.Game.Rulesets.Mania.UI
 {
@@ -21,8 +19,7 @@ namespace osu.Game.Rulesets.Mania.UI
         public List<Column> Columns => stages.SelectMany(x => x.Columns).ToList();
         private readonly List<ManiaStage> stages = new List<ManiaStage>();
 
-        public ManiaPlayfield(ScrollingDirection direction, List<StageDefinition> stageDefinitions)
+        public ManiaPlayfield(List<StageDefinition> stageDefinitions)
-            : base(direction)
         {
             if (stageDefinitions == null)
                 throw new ArgumentNullException(nameof(stageDefinitions));
@@ -42,7 +39,7 @@ namespace osu.Game.Rulesets.Mania.UI
             int firstColumnIndex = 0;
             for (int i = 0; i < stageDefinitions.Count; i++)
             {
-                var newStage = new ManiaStage(direction, firstColumnIndex, stageDefinitions[i], ref normalColumnAction, ref specialColumnAction);
+                var newStage = new ManiaStage(firstColumnIndex, stageDefinitions[i], ref normalColumnAction, ref specialColumnAction);
                 newStage.VisibleTimeRange.BindTo(VisibleTimeRange);
 
                 playfieldGrid.Content[0][i] = newStage;
@@ -76,10 +73,5 @@ namespace osu.Game.Rulesets.Mania.UI
         {
             maniaConfig.BindWith(ManiaSetting.ScrollTime, VisibleTimeRange);
         }
-
-        internal void OnJudgement(DrawableHitObject judgedObject, Judgement judgement)
-        {
-            getStageByColumn(((ManiaHitObject)judgedObject.HitObject).Column).OnJudgement(judgedObject, judgement);
-        }
     }
 }

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

@@ -70,24 +70,24 @@ namespace osu.Game.Rulesets.Mania.UI
         }
 
         [BackgroundDependencyLoader]
-        private void load(ManiaConfigManager config)
+        private void load()
         {
             BarLines.ForEach(Playfield.Add);
 
-            config.BindWith(ManiaSetting.ScrollDirection, configDirection);
+            ((ManiaConfigManager)Config).BindWith(ManiaSetting.ScrollDirection, configDirection);
             configDirection.BindValueChanged(d => scrollingInfo.Direction.Value = (ScrollingDirection)d, true);
         }
 
         private DependencyContainer dependencies;
 
-        protected override IReadOnlyDependencyContainer CreateLocalDependencies(IReadOnlyDependencyContainer parent)
+        protected override IReadOnlyDependencyContainer CreateChildDependencies(IReadOnlyDependencyContainer parent)
         {
-            dependencies = new DependencyContainer(base.CreateLocalDependencies(parent));
+            dependencies = new DependencyContainer(base.CreateChildDependencies(parent));
             dependencies.CacheAs<IScrollingInfo>(scrollingInfo = new ScrollingInfo());
             return dependencies;
         }
 
-        protected sealed override Playfield CreatePlayfield() => new ManiaPlayfield(scrollingInfo.Direction, Beatmap.Stages)
+        protected sealed override Playfield CreatePlayfield() => new ManiaPlayfield(Beatmap.Stages)
         {
             Anchor = Anchor.Centre,
             Origin = Anchor.Centre,

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

@@ -11,11 +11,6 @@ namespace osu.Game.Rulesets.Mania.UI
     {
         private readonly IBindable<ScrollingDirection> direction = new Bindable<ScrollingDirection>();
 
-        public ManiaScrollingPlayfield(ScrollingDirection direction)
-            : base(direction)
-        {
-        }
-
         [BackgroundDependencyLoader]
         private void load(IScrollingInfo scrollingInfo)
         {

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

@@ -43,8 +43,7 @@ namespace osu.Game.Rulesets.Mania.UI
 
         private readonly int firstColumnIndex;
 
-        public ManiaStage(ScrollingDirection direction, int firstColumnIndex, StageDefinition definition, ref ManiaAction normalColumnStartAction, ref ManiaAction specialColumnStartAction)
+        public ManiaStage(int firstColumnIndex, StageDefinition definition, ref ManiaAction normalColumnStartAction, ref ManiaAction specialColumnStartAction)
-            : base(direction)
         {
             this.firstColumnIndex = firstColumnIndex;
 
@@ -124,7 +123,7 @@ namespace osu.Game.Rulesets.Mania.UI
             for (int i = 0; i < definition.Columns; i++)
             {
                 var isSpecial = definition.IsSpecialColumn(i);
-                var column = new Column(direction)
+                var column = new Column
                 {
                     IsSpecial = isSpecial,
                     Action = { Value = isSpecial ? specialColumnStartAction++ : normalColumnStartAction++ }
@@ -164,7 +163,7 @@ namespace osu.Game.Rulesets.Mania.UI
 
         internal void OnJudgement(DrawableHitObject judgedObject, Judgement judgement)
         {
-            if (!judgedObject.DisplayJudgement)
+            if (!judgedObject.DisplayJudgement || !DisplayJudgements)
                 return;
 
             judgements.Clear();

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

@@ -54,7 +54,7 @@ namespace osu.Game.Rulesets.Osu.Tests
     public struct ConvertValue : IEquatable<ConvertValue>
     {
         /// <summary>
-        /// A sane value to account for osu!stable using ints everwhere.
+        /// A sane value to account for osu!stable using <see cref="int"/>s everywhere.
         /// </summary>
         private const double conversion_lenience = 2;
 

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

@@ -61,19 +61,19 @@ namespace osu.Game.Rulesets.Osu.Difficulty
             double speedRating = Math.Sqrt(skills[1].DifficultyValue()) * difficulty_multiplier;
             double starRating = aimRating + speedRating + Math.Abs(aimRating - speedRating) / 2;
 
-            // Todo: These int casts are temporary to achieve 1:1 results with osu!stable, and should be remoevd in the future
+            // Todo: These int casts are temporary to achieve 1:1 results with osu!stable, and should be removed in the future
             double hitWindowGreat = (int)(beatmap.HitObjects.First().HitWindows.Great / 2) / timeRate;
-            double preEmpt = (int)BeatmapDifficulty.DifficultyRange(beatmap.BeatmapInfo.BaseDifficulty.ApproachRate, 1800, 1200, 450) / timeRate;
+            double preempt = (int)BeatmapDifficulty.DifficultyRange(beatmap.BeatmapInfo.BaseDifficulty.ApproachRate, 1800, 1200, 450) / timeRate;
 
             int maxCombo = beatmap.HitObjects.Count();
-            // Add the ticks + tail of the slider. 1 is subtracted because the "headcircle" would be counted twice (once for the slider itself in the line above)
+            // Add the ticks + tail of the slider. 1 is subtracted because the head circle would be counted twice (once for the slider itself in the line above)
             maxCombo += beatmap.HitObjects.OfType<Slider>().Sum(s => s.NestedHitObjects.Count - 1);
 
             return new OsuDifficultyAttributes(mods, starRating)
             {
                 AimStrain = aimRating,
                 SpeedStrain = speedRating,
-                ApproachRate = preEmpt > 1200 ? (1800 - preEmpt) / 120 : (1200 - preEmpt) / 150 + 5,
+                ApproachRate = preempt > 1200 ? (1800 - preempt) / 120 : (1200 - preempt) / 150 + 5,
                 OverallDifficulty = (80 - hitWindowGreat) / 6,
                 MaxCombo = maxCombo
             };

osu.Game.Rulesets.Osu/Edit/OsuEditPlayfield.cs

@@ -1,12 +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
-
-using osu.Game.Rulesets.Osu.UI;
-
-namespace osu.Game.Rulesets.Osu.Edit
-{
-    public class OsuEditPlayfield : OsuPlayfield
-    {
-        protected override bool DisplayJudgements => false;
-    }
-}

osu.Game.Rulesets.Osu/Edit/OsuEditRulesetContainer.cs

@@ -4,7 +4,6 @@
 using osu.Framework.Graphics.Cursor;
 using osu.Game.Beatmaps;
 using osu.Game.Rulesets.Osu.UI;
-using osu.Game.Rulesets.UI;
 using OpenTK;
 
 namespace osu.Game.Rulesets.Osu.Edit
@@ -16,8 +15,6 @@ namespace osu.Game.Rulesets.Osu.Edit
         {
         }
 
-        protected override Playfield CreatePlayfield() => new OsuEditPlayfield();
-
         protected override Vector2 PlayfieldArea => Vector2.One;
 
         protected override CursorContainer CreateCursor() => null;

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

@@ -22,7 +22,7 @@ namespace osu.Game.Rulesets.Osu.Mods
 
         public override void ApplyToDrawableHitObjects(IEnumerable<DrawableHitObject> drawables)
         {
-            void adjustFadeIn(OsuHitObject h) => h.TimeFadein = h.TimePreempt * fade_in_duration_multiplier;
+            void adjustFadeIn(OsuHitObject h) => h.TimeFadeIn = h.TimePreempt * fade_in_duration_multiplier;
 
             foreach (var d in drawables.OfType<DrawableOsuHitObject>())
             {
@@ -41,7 +41,7 @@ namespace osu.Game.Rulesets.Osu.Mods
 
             var h = d.HitObject;
 
-            var fadeOutStartTime = h.StartTime - h.TimePreempt + h.TimeFadein;
+            var fadeOutStartTime = h.StartTime - h.TimePreempt + h.TimeFadeIn;
             var fadeOutDuration = h.TimePreempt * fade_out_duration_multiplier;
 
             // new duration from completed fade in to end (before fading out)

osu.Game.Rulesets.Osu/Objects/Drawables/Connections/FollowPointRenderer.cs

@@ -96,12 +96,12 @@ namespace osu.Game.Rulesets.Osu.Objects.Drawables.Connections
 
                         using (fp.BeginAbsoluteSequence(fadeInTime))
                         {
-                            fp.FadeIn(currHitObject.TimeFadein);
+                            fp.FadeIn(currHitObject.TimeFadeIn);
-                            fp.ScaleTo(1, currHitObject.TimeFadein, Easing.Out);
+                            fp.ScaleTo(1, currHitObject.TimeFadeIn, Easing.Out);
 
-                            fp.MoveTo(pointEndPosition, currHitObject.TimeFadein, Easing.Out);
+                            fp.MoveTo(pointEndPosition, currHitObject.TimeFadeIn, Easing.Out);
 
-                            fp.Delay(fadeOutTime - fadeInTime).FadeOut(currHitObject.TimeFadein);
+                            fp.Delay(fadeOutTime - fadeInTime).FadeOut(currHitObject.TimeFadeIn);
                         }
 
                         fp.Expire(true);

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

@@ -100,7 +100,7 @@ namespace osu.Game.Rulesets.Osu.Objects.Drawables
         {
             base.UpdatePreemptState();
 
-            ApproachCircle.FadeIn(Math.Min(HitObject.TimeFadein * 2, HitObject.TimePreempt));
+            ApproachCircle.FadeIn(Math.Min(HitObject.TimeFadeIn * 2, HitObject.TimePreempt));
             ApproachCircle.ScaleTo(1.1f, HitObject.TimePreempt);
         }
 

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

@@ -45,7 +45,7 @@ namespace osu.Game.Rulesets.Osu.Objects.Drawables
                 AccentColour = skin.GetValue<SkinConfiguration, Color4>(s => s.ComboColours.Count > 0 ? s.ComboColours[combo.ComboIndex % s.ComboColours.Count] : (Color4?)null) ?? Color4.White;
         }
 
-        protected virtual void UpdatePreemptState() => this.FadeIn(HitObject.TimeFadein);
+        protected virtual void UpdatePreemptState() => this.FadeIn(HitObject.TimeFadeIn);
 
         protected virtual void UpdateCurrentState(ArmedState state)
         {

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

@@ -167,7 +167,7 @@ namespace osu.Game.Rulesets.Osu.Objects.Drawables
         {
             Disc.Tracking = OsuActionInputManager.PressedActions.Any(x => x == OsuAction.LeftButton || x == OsuAction.RightButton);
             if (!spmCounter.IsPresent && Disc.Tracking)
-                spmCounter.FadeIn(HitObject.TimeFadein);
+                spmCounter.FadeIn(HitObject.TimeFadeIn);
 
             base.Update();
         }

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

@@ -5,7 +5,8 @@ using System.Linq;
 using osu.Framework.Graphics;
 using osu.Framework.Graphics.Containers;
 using osu.Framework.Graphics.Shapes;
-using osu.Framework.Input;
+using osu.Framework.Input.EventArgs;
+using osu.Framework.Input.States;
 using osu.Game.Rulesets.Objects.Types;
 using OpenTK;
 using OpenTK.Graphics;

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

@@ -212,7 +212,7 @@ namespace osu.Game.Rulesets.Osu.Objects.Drawables.Pieces
             var spanProgress = slider.ProgressAt(completionProgress);
 
             double start = 0;
-            double end = SnakingIn ? MathHelper.Clamp((Time.Current - (slider.StartTime - slider.TimePreempt)) / slider.TimeFadein, 0, 1) : 1;
+            double end = SnakingIn ? MathHelper.Clamp((Time.Current - (slider.StartTime - slider.TimePreempt)) / slider.TimeFadeIn, 0, 1) : 1;
 
             if (span >= slider.SpanCount() - 1)
             {

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

@@ -4,7 +4,7 @@
 using System;
 using osu.Framework.Graphics;
 using osu.Framework.Graphics.Containers;
-using osu.Framework.Input;
+using osu.Framework.Input.States;
 using osu.Game.Graphics;
 using OpenTK;
 using OpenTK.Graphics;

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

@@ -18,7 +18,7 @@ namespace osu.Game.Rulesets.Osu.Objects
         public event Action<Vector2> PositionChanged;
 
         public double TimePreempt = 600;
-        public double TimeFadein = 400;
+        public double TimeFadeIn = 400;
 
         private Vector2 position;
 
@@ -65,7 +65,7 @@ namespace osu.Game.Rulesets.Osu.Objects
             base.ApplyDefaultsToSelf(controlPointInfo, difficulty);
 
             TimePreempt = (float)BeatmapDifficulty.DifficultyRange(difficulty.ApproachRate, 1800, 1200, 450);
-            TimeFadein = (float)BeatmapDifficulty.DifficultyRange(difficulty.ApproachRate, 1200, 800, 300);
+            TimeFadeIn = (float)BeatmapDifficulty.DifficultyRange(difficulty.ApproachRate, 1200, 800, 300);
 
             Scale = (1.0f - 0.7f * (difficulty.CircleSize - 5) / 5) / 2;
         }

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

@@ -22,7 +22,7 @@ namespace osu.Game.Rulesets.Osu.Objects
                 // This is so on repeats ticks don't appear too late to be visually processed by the player.
                 offset = 200;
             else
-                offset = TimeFadein * 0.66f;
+                offset = TimeFadeIn * 0.66f;
 
             TimePreempt = (StartTime - SpanStartTime) / 2 + offset;
         }

osu.Game.Rulesets.Osu/OsuRuleset.cs

@@ -31,8 +31,8 @@ namespace osu.Game.Rulesets.Osu
 
         public override IEnumerable<KeyBinding> GetDefaultKeyBindings(int variant = 0) => new[]
         {
-            new KeyBinding(InputKey.Z, OsuAction.LeftButton),
+            new KeyBinding(InputKey.A, OsuAction.LeftButton),
-            new KeyBinding(InputKey.X, OsuAction.RightButton),
+            new KeyBinding(InputKey.S, OsuAction.RightButton),
             new KeyBinding(InputKey.MouseLeft, OsuAction.LeftButton),
             new KeyBinding(InputKey.MouseRight, OsuAction.RightButton),
         };

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

@@ -285,44 +285,45 @@ namespace osu.Game.Rulesets.Osu.Replays
 
             AddFrameToReplay(startFrame);
 
-            // We add intermediate frames for spinning / following a slider here.
+            switch (h)
-            if (h is Spinner)
             {
-                Spinner s = h as Spinner;
+                // We add intermediate frames for spinning / following a slider here.
-
+                case Spinner spinner:
-                Vector2 difference = startPosition - SPINNER_CENTRE;
-
-                float radius = difference.Length;
-                float angle = radius == 0 ? 0 : (float)Math.Atan2(difference.Y, difference.X);
-
-                double t;
-
-                for (double j = h.StartTime + FrameDelay; j < s.EndTime; j += FrameDelay)
                 {
-                    t = ApplyModsToTime(j - h.StartTime) * spinnerDirection;
+                    Vector2 difference = startPosition - SPINNER_CENTRE;
 
-                    Vector2 pos = SPINNER_CENTRE + CirclePosition(t / 20 + angle, SPIN_RADIUS);
+                    float radius = difference.Length;
-                    AddFrameToReplay(new OsuReplayFrame((int)j, new Vector2(pos.X, pos.Y), action));
+                    float angle = radius == 0 ? 0 : (float)Math.Atan2(difference.Y, difference.X);
+
+                    double t;
+
+                    for (double j = h.StartTime + FrameDelay; j < spinner.EndTime; j += FrameDelay)
+                    {
+                        t = ApplyModsToTime(j - h.StartTime) * spinnerDirection;
+
+                        Vector2 pos = SPINNER_CENTRE + CirclePosition(t / 20 + angle, SPIN_RADIUS);
+                        AddFrameToReplay(new OsuReplayFrame((int)j, new Vector2(pos.X, pos.Y), action));
+                    }
+
+                    t = ApplyModsToTime(spinner.EndTime - h.StartTime) * spinnerDirection;
+                    Vector2 endPosition = SPINNER_CENTRE + CirclePosition(t / 20 + angle, SPIN_RADIUS);
+
+                    AddFrameToReplay(new OsuReplayFrame(spinner.EndTime, new Vector2(endPosition.X, endPosition.Y), action));
+
+                    endFrame.Position = endPosition;
+                    break;
                 }
-
+                case Slider slider:
-                t = ApplyModsToTime(s.EndTime - h.StartTime) * spinnerDirection;
-                Vector2 endPosition = SPINNER_CENTRE + CirclePosition(t / 20 + angle, SPIN_RADIUS);
-
-                AddFrameToReplay(new OsuReplayFrame(s.EndTime, new Vector2(endPosition.X, endPosition.Y), action));
-
-                endFrame.Position = endPosition;
-            }
-            else if (h is Slider)
-            {
-                Slider s = h as Slider;
-
-                for (double j = FrameDelay; j < s.Duration; j += FrameDelay)
                 {
-                    Vector2 pos = s.StackedPositionAt(j / s.Duration);
+                    for (double j = FrameDelay; j < slider.Duration; j += FrameDelay)
-                    AddFrameToReplay(new OsuReplayFrame(h.StartTime + j, new Vector2(pos.X, pos.Y), action));
+                    {
-                }
+                        Vector2 pos = slider.StackedPositionAt(j / slider.Duration);
+                        AddFrameToReplay(new OsuReplayFrame(h.StartTime + j, new Vector2(pos.X, pos.Y), action));
+                    }
 
-                AddFrameToReplay(new OsuReplayFrame(s.EndTime, new Vector2(s.StackedEndPosition.X, s.StackedEndPosition.Y), action));
+                    AddFrameToReplay(new OsuReplayFrame(slider.EndTime, new Vector2(slider.StackedEndPosition.X, slider.StackedEndPosition.Y), action));
+                    break;
+                }
             }
 
             // We only want to let go of our button if we are at the end of the current replay. Otherwise something is still going on after us so we need to keep the button pressed!

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

@@ -3,7 +3,7 @@
 
 using System.Collections.Generic;
 using System.Linq;
-using osu.Framework.Input;
+using osu.Framework.Input.StateChanges;
 using osu.Framework.MathUtils;
 using osu.Game.Rulesets.Replays;
 using OpenTK;

osu.Game.Rulesets.Osu/UI/Cursor/CursorTrail.cs

@@ -12,6 +12,7 @@ using osu.Framework.Graphics.Primitives;
 using osu.Framework.Graphics.Shaders;
 using osu.Framework.Graphics.Textures;
 using osu.Framework.Input;
+using osu.Framework.Input.States;
 using osu.Framework.Timing;
 using OpenTK;
 using OpenTK.Graphics;

osu.Game.Rulesets.Osu/UI/Cursor/GameplayCursor.cs

@@ -39,6 +39,11 @@ namespace osu.Game.Rulesets.Osu.UI.Cursor
 
         private int downCount;
 
+        private const float pressed_scale = 1.2f;
+        private const float released_scale = 1f;
+
+        private float targetScale => downCount > 0 ? pressed_scale : released_scale;
+
         public bool OnPressed(OsuAction action)
         {
             switch (action)
@@ -46,7 +51,7 @@ namespace osu.Game.Rulesets.Osu.UI.Cursor
                 case OsuAction.LeftButton:
                 case OsuAction.RightButton:
                     downCount++;
-                    ActiveCursor.ScaleTo(1).ScaleTo(1.2f, 100, Easing.OutQuad);
+                    ActiveCursor.ScaleTo(released_scale).ScaleTo(targetScale, 100, Easing.OutQuad);
                     break;
             }
 
@@ -60,7 +65,7 @@ namespace osu.Game.Rulesets.Osu.UI.Cursor
                 case OsuAction.LeftButton:
                 case OsuAction.RightButton:
                     if (--downCount == 0)
-                        ActiveCursor.ScaleTo(1, 200, Easing.OutQuad);
+                        ActiveCursor.ScaleTo(targetScale, 200, Easing.OutQuad);
                     break;
             }
 
@@ -72,13 +77,13 @@ namespace osu.Game.Rulesets.Osu.UI.Cursor
         protected override void PopIn()
         {
             fadeContainer.FadeTo(1, 300, Easing.OutQuint);
-            ActiveCursor.ScaleTo(1, 400, Easing.OutQuint);
+            ActiveCursor.ScaleTo(targetScale, 400, Easing.OutQuint);
         }
 
         protected override void PopOut()
         {
             fadeContainer.FadeTo(0.05f, 450, Easing.OutQuint);
-            ActiveCursor.ScaleTo(0.8f, 450, Easing.OutQuint);
+            ActiveCursor.ScaleTo(targetScale * 0.8f, 450, Easing.OutQuint);
         }
 
         public class OsuCursor : Container

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

@@ -20,8 +20,6 @@ namespace osu.Game.Rulesets.Osu.UI
         private readonly JudgementContainer<DrawableOsuJudgement> judgementLayer;
         private readonly ConnectionRenderer<OsuHitObject> connectionLayer;
 
-        protected virtual bool DisplayJudgements => true;
-
         public static readonly Vector2 BASE_SIZE = new Vector2(512, 384);
 
         public OsuPlayfield()

osu.Game.Rulesets.Osu/UI/OsuRulesetContainer.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 System.Linq;
 using osu.Framework.Graphics.Cursor;
 using osu.Framework.Input;
 using OpenTK;
@@ -33,19 +34,30 @@ namespace osu.Game.Rulesets.Osu.UI
 
         protected override DrawableHitObject<OsuHitObject> GetVisualRepresentation(OsuHitObject h)
         {
-            if (h is HitCircle circle)
+            switch (h)
-                return new DrawableHitCircle(circle);
+            {
+                case HitCircle circle:
+                    return new DrawableHitCircle(circle);
+                case Slider slider:
+                    return new DrawableSlider(slider);
+                case Spinner spinner:
+                    return new DrawableSpinner(spinner);
+            }
 
-            if (h is Slider slider)
-                return new DrawableSlider(slider);
-
-            if (h is Spinner spinner)
-                return new DrawableSpinner(spinner);
             return null;
         }
 
         protected override ReplayInputHandler CreateReplayInputHandler(Replay replay) => new OsuReplayInputHandler(replay);
 
+        public override double GameplayStartTime
+        {
+            get
+            {
+                var first = (OsuHitObject)Objects.First();
+                return first.StartTime - first.TimePreempt;
+            }
+        }
+
         protected override Vector2 GetAspectAdjustedSize()
         {
             var aspectSize = DrawSize.X * 0.75f < DrawSize.Y ? new Vector2(DrawSize.X, DrawSize.X * 0.75f) : new Vector2(DrawSize.Y * 4f / 3f, DrawSize.Y);

osu.Game.Rulesets.Taiko/Replays/TaikoFramedReplayInputHandler.cs

@@ -4,7 +4,7 @@
 using osu.Game.Rulesets.Replays;
 using System.Collections.Generic;
 using System.Linq;
-using osu.Framework.Input;
+using osu.Framework.Input.StateChanges;
 
 namespace osu.Game.Rulesets.Taiko.Replays
 {

osu.Game.Rulesets.Taiko/Scoring/TaikoScoreProcessor.cs

@@ -80,30 +80,31 @@ namespace osu.Game.Rulesets.Taiko.Scoring
 
             foreach (var obj in beatmap.HitObjects)
             {
-                if (obj is Hit)
+                switch (obj)
                 {
-                    AddJudgement(new TaikoJudgement { Result = HitResult.Great });
+                    case Hit _:
-                    if (obj.IsStrong)
+                        AddJudgement(new TaikoJudgement { Result = HitResult.Great });
-                        AddJudgement(new TaikoStrongHitJudgement());
+                        if (obj.IsStrong)
-                }
+                            AddJudgement(new TaikoStrongHitJudgement());
-                else if (obj is DrumRoll)
+                        break;
-                {
+                    case DrumRoll drumRoll:
-                    for (int i = 0; i < ((DrumRoll)obj).NestedHitObjects.OfType<DrumRollTick>().Count(); i++)
+                        var count = drumRoll.NestedHitObjects.OfType<DrumRollTick>().Count();
-                    {
+                        for (int i = 0; i < count; i++)
-                        AddJudgement(new TaikoDrumRollTickJudgement { Result = HitResult.Great });
+                        {
+                            AddJudgement(new TaikoDrumRollTickJudgement { Result = HitResult.Great });
+
+                            if (obj.IsStrong)
+                                AddJudgement(new TaikoStrongHitJudgement());
+                        }
+
+                        AddJudgement(new TaikoJudgement { Result = HitResult.Great });
 
                         if (obj.IsStrong)
                             AddJudgement(new TaikoStrongHitJudgement());
-                    }
+                        break;
-
+                    case Swell _:
-                    AddJudgement(new TaikoJudgement { Result = HitResult.Great });
+                        AddJudgement(new TaikoJudgement { Result = HitResult.Great });
-
+                        break;
-                    if (obj.IsStrong)
-                        AddJudgement(new TaikoStrongHitJudgement());
-                }
-                else if (obj is Swell)
-                {
-                    AddJudgement(new TaikoJudgement { Result = HitResult.Great });
                 }
             }
         }

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

@@ -58,8 +58,9 @@ namespace osu.Game.Rulesets.Taiko.UI
         private readonly Box background;
 
         public TaikoPlayfield(ControlPointInfo controlPoints)
-            : base(ScrollingDirection.Left)
         {
+            Direction.Value = ScrollingDirection.Left;
+
             AddRangeInternal(new Drawable[]
             {
                 backgroundContainer = new Container
@@ -212,17 +213,22 @@ namespace osu.Game.Rulesets.Taiko.UI
 
             base.Add(h);
 
-            var barline = h as DrawableBarLine;
+            switch (h)
-            if (barline != null)
+            {
-                barlineContainer.Add(barline.CreateProxy());
+                case DrawableBarLine barline:
-
+                    barlineContainer.Add(barline.CreateProxy());
-            var taikoObject = h as DrawableTaikoHitObject;
+                    break;
-            if (taikoObject != null)
+                case DrawableTaikoHitObject taikoObject:
-                topLevelHitContainer.Add(taikoObject.CreateProxiedContent());
+                    topLevelHitContainer.Add(taikoObject.CreateProxiedContent());
+                    break;
+            }
         }
 
         internal void OnJudgement(DrawableHitObject judgedObject, Judgement judgement)
         {
+            if (!DisplayJudgements)
+                return;
+
             if (judgedObject.DisplayJudgement && judgementContainer.FirstOrDefault(j => j.JudgedObject == judgedObject) == null)
             {
                 judgementContainer.Add(new DrawableTaikoJudgement(judgement, judgedObject)

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

@@ -98,32 +98,22 @@ namespace osu.Game.Rulesets.Taiko.UI
 
         protected override DrawableHitObject<TaikoHitObject> GetVisualRepresentation(TaikoHitObject h)
         {
-            var centreHit = h as CentreHit;
+            switch (h)
-            if (centreHit != null)
             {
-                if (h.IsStrong)
+                case CentreHit centreHit when h.IsStrong:
                     return new DrawableCentreHitStrong(centreHit);
-                return new DrawableCentreHit(centreHit);
+                case CentreHit centreHit:
-            }
+                    return new DrawableCentreHit(centreHit);
-
+                case RimHit rimHit when h.IsStrong:
-            var rimHit = h as RimHit;
-            if (rimHit != null)
-            {
-                if (h.IsStrong)
                     return new DrawableRimHitStrong(rimHit);
-                return new DrawableRimHit(rimHit);
+                case RimHit rimHit:
+                    return new DrawableRimHit(rimHit);
+                case DrumRoll drumRoll:
+                    return new DrawableDrumRoll(drumRoll);
+                case Swell swell:
+                    return new DrawableSwell(swell);
             }
 
-            var drumRoll = h as DrumRoll;
-            if (drumRoll != null)
-            {
-                return new DrawableDrumRoll(drumRoll);
-            }
-
-            var swell = h as Swell;
-            if (swell != null)
-                return new DrawableSwell(swell);
-
             return null;
         }
 

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

@@ -214,39 +214,56 @@ namespace osu.Game.Tests.Beatmaps.Formats
         }
 
         [Test]
-        public void TestDecodeCustomSamples()
+        public void TestDecodeControlPointCustomSampleBank()
         {
             var decoder = new LegacyBeatmapDecoder { ApplyOffsets = false };
-            using (var resStream = Resource.OpenResource("custom-samples.osu"))
+            using (var resStream = Resource.OpenResource("controlpoint-custom-samplebank.osu"))
             using (var stream = new StreamReader(resStream))
             {
                 var hitObjects = decoder.Decode(stream).HitObjects;
 
-                Assert.AreEqual("hitnormal", getTestableSampleInfo(hitObjects[0]).Name);
+                Assert.AreEqual("normal-hitnormal", getTestableSampleInfo(hitObjects[0]).LookupNames.First());
-                Assert.AreEqual("hitnormal", getTestableSampleInfo(hitObjects[1]).Name);
+                Assert.AreEqual("normal-hitnormal", getTestableSampleInfo(hitObjects[1]).LookupNames.First());
-                Assert.AreEqual("hitnormal2", getTestableSampleInfo(hitObjects[2]).Name);
+                Assert.AreEqual("normal-hitnormal2", getTestableSampleInfo(hitObjects[2]).LookupNames.First());
-                Assert.AreEqual("hitnormal", getTestableSampleInfo(hitObjects[3]).Name);
+                Assert.AreEqual("normal-hitnormal", getTestableSampleInfo(hitObjects[3]).LookupNames.First());
             }
 
-            SampleInfo getTestableSampleInfo(HitObject hitObject) => hitObject.SampleControlPoint.ApplyTo(new SampleInfo { Name = "hitnormal" });
+            SampleInfo getTestableSampleInfo(HitObject hitObject) => hitObject.SampleControlPoint.ApplyTo(hitObject.Samples[0]);
         }
 
         [Test]
-        public void TestDecodeCustomHitObjectSamples()
+        public void TestDecodeHitObjectCustomSampleBank()
         {
             var decoder = new LegacyBeatmapDecoder { ApplyOffsets = false };
-            using (var resStream = Resource.OpenResource("custom-hitobject-samples.osu"))
+            using (var resStream = Resource.OpenResource("hitobject-custom-samplebank.osu"))
             using (var stream = new StreamReader(resStream))
             {
                 var hitObjects = decoder.Decode(stream).HitObjects;
 
-                Assert.AreEqual("hit_1.wav", hitObjects[0].Samples[0].LookupNames.First());
+                Assert.AreEqual("normal-hitnormal", getTestableSampleInfo(hitObjects[0]).LookupNames.First());
-                Assert.AreEqual("hit_2.wav", hitObjects[1].Samples[0].LookupNames.First());
+                Assert.AreEqual("normal-hitnormal2", getTestableSampleInfo(hitObjects[1]).LookupNames.First());
-                Assert.AreEqual("hitnormal2", getTestableSampleInfo(hitObjects[2]).Name);
+                Assert.AreEqual("normal-hitnormal3", getTestableSampleInfo(hitObjects[2]).LookupNames.First());
-                Assert.AreEqual("hit_1.wav", hitObjects[3].Samples[0].LookupNames.First());
             }
 
-            SampleInfo getTestableSampleInfo(HitObject hitObject) => hitObject.SampleControlPoint.ApplyTo(new SampleInfo { Name = "hitnormal" });
+            SampleInfo getTestableSampleInfo(HitObject hitObject) => hitObject.SampleControlPoint.ApplyTo(hitObject.Samples[0]);
+        }
+
+        [Test]
+        public void TestDecodeHitObjectFileSamples()
+        {
+            var decoder = new LegacyBeatmapDecoder { ApplyOffsets = false };
+            using (var resStream = Resource.OpenResource("hitobject-file-samples.osu"))
+            using (var stream = new StreamReader(resStream))
+            {
+                var hitObjects = decoder.Decode(stream).HitObjects;
+
+                Assert.AreEqual("hit_1.wav", getTestableSampleInfo(hitObjects[0]).LookupNames.First());
+                Assert.AreEqual("hit_2.wav", getTestableSampleInfo(hitObjects[1]).LookupNames.First());
+                Assert.AreEqual("normal-hitnormal2", getTestableSampleInfo(hitObjects[2]).LookupNames.First());
+                Assert.AreEqual("hit_1.wav", getTestableSampleInfo(hitObjects[3]).LookupNames.First());
+            }
+
+            SampleInfo getTestableSampleInfo(HitObject hitObject) => hitObject.SampleControlPoint.ApplyTo(hitObject.Samples[0]);
         }
     }
 }

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

@@ -0,0 +1,13 @@
+osu file format v14
+
+[General]
+SampleSet: Normal
+
+[TimingPoints]
+2170,468.75,4,1,0,40,1,0
+3107,-100,4,1,2,40,0,0
+
+[HitObjects]
+255,193,2170,1,0,0:0:0:0:
+256,191,3107,5,0,0:0:0:0:
+255,193,4000,1,0,0:0:3:70:

osu.Game.Tests/Visual/TestCaseBeatmapInfoWedge.cs

@@ -110,8 +110,8 @@ namespace osu.Game.Tests.Visual
 
         private void testInfoLabels(int expectedCount)
         {
-            AddAssert("check infolabels exists", () => infoWedge.Info.InfoLabelContainer.Children.Any());
+            AddAssert("check info labels exists", () => infoWedge.Info.InfoLabelContainer.Children.Any());
-            AddAssert("check infolabels count", () => infoWedge.Info.InfoLabelContainer.Children.Count == expectedCount);
+            AddAssert("check info labels count", () => infoWedge.Info.InfoLabelContainer.Children.Count == expectedCount);
         }
 
         private void testNullBeatmap()
@@ -121,7 +121,7 @@ namespace osu.Game.Tests.Visual
             AddAssert("check default title", () => infoWedge.Info.TitleLabel.Text == Beatmap.Default.BeatmapInfo.Metadata.Title);
             AddAssert("check default artist", () => infoWedge.Info.ArtistLabel.Text == Beatmap.Default.BeatmapInfo.Metadata.Artist);
             AddAssert("check empty author", () => !infoWedge.Info.MapperContainer.Children.Any());
-            AddAssert("check no infolabels", () => !infoWedge.Info.InfoLabelContainer.Children.Any());
+            AddAssert("check no info labels", () => !infoWedge.Info.InfoLabelContainer.Children.Any());
         }
 
         private void selectBeatmap(IBeatmap b)

osu.Game.Tests/Visual/TestCaseButtonSystem.cs

@@ -1,6 +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 System;
+using System.Collections.Generic;
+using System.Linq;
 using NUnit.Framework;
 using osu.Framework.Graphics;
 using osu.Framework.Graphics.Colour;
@@ -13,6 +16,13 @@ namespace osu.Game.Tests.Visual
     [TestFixture]
     public class TestCaseButtonSystem : OsuTestCase
     {
+        public override IReadOnlyList<Type> RequiredTypes => new[]
+        {
+            typeof(ButtonSystem),
+            typeof(ButtonArea),
+            typeof(Button)
+        };
+
         public TestCaseButtonSystem()
         {
             OsuLogo logo;
@@ -30,6 +40,9 @@ namespace osu.Game.Tests.Visual
             };
 
             buttons.SetOsuLogo(logo);
+
+            foreach (var s in Enum.GetValues(typeof(ButtonSystemState)).OfType<ButtonSystemState>().Skip(1))
+                AddStep($"State to {s}", () => buttons.State = s);
         }
     }
 }

osu.Game.Tests/Visual/TestCaseCursors.cs

@@ -7,7 +7,7 @@ using osu.Framework.Graphics;
 using osu.Framework.Graphics.Containers;
 using osu.Framework.Graphics.Cursor;
 using osu.Framework.Graphics.Shapes;
-using osu.Framework.Input;
+using osu.Framework.Input.States;
 using osu.Framework.MathUtils;
 using osu.Game.Graphics.Cursor;
 using osu.Game.Graphics.Sprites;

osu.Game.Tests/Visual/TestCaseDisclaimer.cs

@@ -0,0 +1,28 @@
+// 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.Shapes;
+using osu.Game.Screens.Menu;
+using OpenTK.Graphics;
+
+namespace osu.Game.Tests.Visual
+{
+    public class TestCaseDisclaimer : OsuTestCase
+    {
+        [BackgroundDependencyLoader]
+        private void load()
+        {
+            Children = new Drawable[]
+            {
+                new Box
+                {
+                    RelativeSizeAxes = Axes.Both,
+                    Colour = Color4.Black,
+                },
+                new Disclaimer()
+            };
+        }
+    }
+}

osu.Game.Tests/Visual/TestCaseGameplayMenuOverlay.cs

@@ -8,7 +8,7 @@ using System.Linq;
 using OpenTK.Input;
 using osu.Framework.Allocation;
 using osu.Framework.Graphics.Containers;
-using osu.Framework.Input;
+using osu.Framework.Input.EventArgs;
 using osu.Framework.Logging;
 using osu.Game.Screens.Play;
 

osu.Game.Tests/Visual/TestCaseIconButton.cs

@@ -25,11 +25,7 @@ namespace osu.Game.Tests.Visual
                 Children = new[]
                 {
                     new NamedIconButton("No change", new IconButton()),
-                    new NamedIconButton("Background colours", new IconButton
+                    new NamedIconButton("Background colours", new ColouredIconButton()),
-                    {
-                        FlashColour = Color4.DarkGreen,
-                        HoverColour = Color4.Green,
-                    }),
                     new NamedIconButton("Full-width", new IconButton { ButtonSize = new Vector2(200, 30) }),
                     new NamedIconButton("Unchanging size", new IconButton(), false),
                     new NamedIconButton("Icon colours", new IconButton
@@ -41,6 +37,15 @@ namespace osu.Game.Tests.Visual
             };
         }
 
+        private class ColouredIconButton : IconButton
+        {
+            public ColouredIconButton()
+            {
+                FlashColour = Color4.DarkGreen;
+                HoverColour = Color4.Green;
+            }
+        }
+
         private class NamedIconButton : Container
         {
             public NamedIconButton(string name, IconButton button, bool allowSizeChange = true)

osu.Game.Tests/Visual/TestCaseKeyCounter.cs

@@ -18,7 +18,6 @@ namespace osu.Game.Tests.Visual
             {
                 Origin = Anchor.Centre,
                 Anchor = Anchor.Centre,
-                IsCounting = true,
                 Children = new KeyCounter[]
                 {
                     new KeyCounterKeyboard(Key.Z),

osu.Game.Tests/Visual/TestCaseMods.cs

@@ -114,7 +114,7 @@ namespace osu.Game.Tests.Visual
             testMultiplierTextColour(noFailMod, modSelect.LowMultiplierColour);
             testMultiplierTextColour(hiddenMod, modSelect.HighMultiplierColour);
 
-            testUnimplmentedMod(autoPilotMod);
+            testUnimplementedMod(autoPilotMod);
         }
 
         private void testManiaMods(ManiaRuleset ruleset)
@@ -154,7 +154,7 @@ namespace osu.Game.Tests.Visual
                 checkNotSelected(mod);
         }
 
-        private void testUnimplmentedMod(Mod mod)
+        private void testUnimplementedMod(Mod mod)
         {
             selectNext(mod);
             checkNotSelected(mod);

osu.Game.Tests/Visual/TestCaseOsuGame.cs

@@ -6,7 +6,6 @@ using System.Collections.Generic;
 using NUnit.Framework;
 using osu.Framework.Graphics;
 using osu.Framework.Graphics.Shapes;
-using osu.Framework.Timing;
 using osu.Game.Screens;
 using osu.Game.Screens.Menu;
 using OpenTK.Graphics;
@@ -23,19 +22,15 @@ namespace osu.Game.Tests.Visual
 
         public TestCaseOsuGame()
         {
-            var rateAdjustClock = new StopwatchClock(true);
+            Children = new Drawable[]
-            var framedClock = new FramedClock(rateAdjustClock);
-            framedClock.ProcessFrame();
-
-            Add(new Box
             {
-                RelativeSizeAxes = Axes.Both,
+                new Box
-                Colour = Color4.Black,
+                {
-            });
+                    RelativeSizeAxes = Axes.Both,
-
+                    Colour = Color4.Black,
-            Add(new Loader());
+                },
-
+                new Loader()
-            AddSliderStep("Playback speed", 0.0, 2.0, 1, v => rateAdjustClock.Rate = v);
+            };
         }
     }
 }

osu.Game.Tests/Visual/TestCasePlaySongSelect.cs

@@ -16,7 +16,6 @@ using osu.Game.Rulesets;
 using osu.Game.Screens.Select;
 using osu.Game.Screens.Select.Carousel;
 using osu.Game.Screens.Select.Filter;
-using osu.Game.Tests.Platform;
 
 namespace osu.Game.Tests.Visual
 {
@@ -28,6 +27,7 @@ namespace osu.Game.Tests.Visual
         private RulesetStore rulesets;
 
         private WorkingBeatmap defaultBeatmap;
+        private DatabaseContextFactory factory;
 
         public override IReadOnlyList<Type> RequiredTypes => new[]
         {
@@ -54,18 +54,25 @@ namespace osu.Game.Tests.Visual
             public new BeatmapCarousel Carousel => base.Carousel;
         }
 
+        protected override void Dispose(bool isDisposing)
+        {
+            factory.ResetDatabase();
+            base.Dispose(isDisposing);
+        }
+
         [BackgroundDependencyLoader]
         private void load()
         {
             TestSongSelect songSelect = null;
 
-            var storage = new TestStorage(@"TestCasePlaySongSelect");
+            factory = new DatabaseContextFactory(LocalStorage);
+            factory.ResetDatabase();
 
-            // this is by no means clean. should be replacing inside of OsuGameBase somehow.
+            using (var usage = factory.Get())
-            IDatabaseContextFactory factory = new SingletonContextFactory(new OsuDbContext());
+                usage.Migrate();
 
             Dependencies.Cache(rulesets = new RulesetStore(factory));
-            Dependencies.Cache(manager = new BeatmapManager(storage, factory, rulesets, null, null)
+            Dependencies.Cache(manager = new BeatmapManager(LocalStorage, factory, rulesets, null, null)
             {
                 DefaultBeatmap = defaultBeatmap = Beatmap.Default
             });

osu.Game.Tests/Visual/TestCasePreviewTrackManager.cs

@@ -14,9 +14,9 @@ namespace osu.Game.Tests.Visual
     {
         private readonly PreviewTrackManager trackManager = new TestPreviewTrackManager();
 
-        protected override IReadOnlyDependencyContainer CreateLocalDependencies(IReadOnlyDependencyContainer parent)
+        protected override IReadOnlyDependencyContainer CreateChildDependencies(IReadOnlyDependencyContainer parent)
         {
-            var dependencies = new DependencyContainer(base.CreateLocalDependencies(parent));
+            var dependencies = new DependencyContainer(base.CreateChildDependencies(parent));
             dependencies.CacheAs(trackManager);
             dependencies.CacheAs<IPreviewTrackOwner>(this);
             return dependencies;
@@ -101,9 +101,9 @@ namespace osu.Game.Tests.Visual
                 AddInternal(track);
             }
 
-            protected override IReadOnlyDependencyContainer CreateLocalDependencies(IReadOnlyDependencyContainer parent)
+            protected override IReadOnlyDependencyContainer CreateChildDependencies(IReadOnlyDependencyContainer parent)
             {
-                var dependencies = new DependencyContainer(base.CreateLocalDependencies(parent));
+                var dependencies = new DependencyContainer(base.CreateChildDependencies(parent));
                 dependencies.CacheAs<IPreviewTrackOwner>(this);
                 return dependencies;
             }

osu.Game.Tests/Visual/TestCaseScrollingHitObjects.cs

@@ -117,7 +117,6 @@ namespace osu.Game.Tests.Visual
             public new readonly ScrollingDirection Direction;
 
             public TestPlayfield(ScrollingDirection direction)
-                : base(direction)
             {
                 Direction = direction;
 

osu.Game.Tests/Visual/TestCaseToolbar.cs

@@ -16,8 +16,8 @@ namespace osu.Game.Tests.Visual
         public override IReadOnlyList<Type> RequiredTypes => new[]
         {
             typeof(ToolbarButton),
-            typeof(ToolbarModeSelector),
+            typeof(ToolbarRulesetSelector),
-            typeof(ToolbarModeButton),
+            typeof(ToolbarRulesetButton),
             typeof(ToolbarNotificationButton),
         };
 

osu.Game/Audio/SampleInfo.cs

@@ -29,6 +29,11 @@ namespace osu.Game.Audio
         /// </summary>
         public string Name;
 
+        /// <summary>
+        /// An optional suffix to provide priority lookup. Falls back to non-suffixed <see cref="Name"/>.
+        /// </summary>
+        public string Suffix;
+
         /// <summary>
         /// The sample volume.
         /// </summary>
@@ -42,9 +47,16 @@ namespace osu.Game.Audio
             get
             {
                 if (!string.IsNullOrEmpty(Namespace))
+                {
+                    if (!string.IsNullOrEmpty(Suffix))
+                        yield return $"{Namespace}/{Bank}-{Name}{Suffix}";
                     yield return $"{Namespace}/{Bank}-{Name}";
+                }
 
-                yield return $"{Bank}-{Name}"; // Without namespace as a fallback even when we have a namespace
+                // check non-namespace as a fallback even when we have a namespace
+                if (!string.IsNullOrEmpty(Suffix))
+                    yield return $"{Bank}-{Name}{Suffix}";
+                yield return $"{Bank}-{Name}";
             }
         }
 

osu.Game/Beatmaps/BeatmapManager.cs

@@ -45,6 +45,16 @@ namespace osu.Game.Beatmaps
         /// </summary>
         public event Action<DownloadBeatmapSetRequest> BeatmapDownloadBegan;
 
+        /// <summary>
+        /// Fired when a beatmap download is interrupted, due to user cancellation or other failures.
+        /// </summary>
+        public event Action<DownloadBeatmapSetRequest> BeatmapDownloadFailed;
+
+        /// <summary>
+        /// Fired when a beatmap load is requested (into the interactive game UI).
+        /// </summary>
+        public Action<BeatmapSetInfo> PresentBeatmap;
+
         /// <summary>
         /// A default representation of a WorkingBeatmap to use when no beatmap is available.
         /// </summary>
@@ -79,33 +89,46 @@ namespace osu.Game.Beatmaps
             this.audioManager = audioManager;
         }
 
-        protected override void Populate(BeatmapSetInfo model, ArchiveReader archive)
+        protected override void Populate(BeatmapSetInfo beatmapSet, ArchiveReader archive)
         {
-            model.Beatmaps = createBeatmapDifficulties(archive);
+            if (archive != null)
+                beatmapSet.Beatmaps = createBeatmapDifficulties(archive);
 
-            foreach (BeatmapInfo b in model.Beatmaps)
+            foreach (BeatmapInfo b in beatmapSet.Beatmaps)
             {
                 // remove metadata from difficulties where it matches the set
-                if (model.Metadata.Equals(b.Metadata))
+                if (beatmapSet.Metadata.Equals(b.Metadata))
                     b.Metadata = null;
 
-                // by setting the model here, we can update the noline set id below.
+                b.BeatmapSet = beatmapSet;
-                b.BeatmapSet = model;
-
-                fetchAndPopulateOnlineIDs(b);
             }
 
             // check if a set already exists with the same online id, delete if it does.
-            if (model.OnlineBeatmapSetID != null)
+            if (beatmapSet.OnlineBeatmapSetID != null)
             {
-                var existingOnlineId = beatmaps.ConsumableItems.FirstOrDefault(b => b.OnlineBeatmapSetID == model.OnlineBeatmapSetID);
+                var existingOnlineId = beatmaps.ConsumableItems.FirstOrDefault(b => b.OnlineBeatmapSetID == beatmapSet.OnlineBeatmapSetID);
                 if (existingOnlineId != null)
                 {
                     Delete(existingOnlineId);
                     beatmaps.PurgeDeletable(s => s.ID == existingOnlineId.ID);
-                    Logger.Log($"Found existing beatmap set with same OnlineBeatmapSetID ({model.OnlineBeatmapSetID}). It has been purged.", LoggingTarget.Database);
+                    Logger.Log($"Found existing beatmap set with same OnlineBeatmapSetID ({beatmapSet.OnlineBeatmapSetID}). It has been purged.", LoggingTarget.Database);
                 }
             }
+
+            validateOnlineIds(beatmapSet.Beatmaps);
+
+            foreach (BeatmapInfo b in beatmapSet.Beatmaps)
+                fetchAndPopulateOnlineIDs(b, beatmapSet.Beatmaps);
+        }
+
+        private void validateOnlineIds(List<BeatmapInfo> beatmaps)
+        {
+            var beatmapIds = beatmaps.Where(b => b.OnlineBeatmapID.HasValue).Select(b => b.OnlineBeatmapID).ToList();
+
+            // ensure all IDs are unique in this set and none match existing IDs in the local beatmap store.
+            if (beatmapIds.GroupBy(b => b).Any(g => g.Count() > 1) || QueryBeatmaps(b => beatmapIds.Contains(b.OnlineBeatmapID)).Any())
+                // remove all online IDs if any problems were found.
+                beatmaps.ForEach(b => b.OnlineBeatmapID = null);
         }
 
         protected override BeatmapSetInfo CheckForExisting(BeatmapSetInfo model)
@@ -143,7 +166,7 @@ namespace osu.Game.Beatmaps
                 return;
             }
 
-            var downloadNotification = new ProgressNotification
+            var downloadNotification = new DownloadNotification
             {
                 CompletionText = $"Imported {beatmapSetInfo.Metadata.Artist} - {beatmapSetInfo.Metadata.Title}!",
                 Text = $"Downloading {beatmapSetInfo.Metadata.Artist} - {beatmapSetInfo.Metadata.Title}",
@@ -163,18 +186,28 @@ namespace osu.Game.Beatmaps
 
                 Task.Factory.StartNew(() =>
                 {
+                    BeatmapSetInfo importedBeatmap;
+
                     // This gets scheduled back to the update thread, but we want the import to run in the background.
                     using (var stream = new MemoryStream(data))
                     using (var archive = new ZipArchiveReader(stream, beatmapSetInfo.ToString()))
-                        Import(archive);
+                        importedBeatmap = Import(archive);
 
+                    downloadNotification.CompletionClickAction = () =>
+                    {
+                        PresentBeatmap?.Invoke(importedBeatmap);
+                        return true;
+                    };
                     downloadNotification.State = ProgressNotificationState.Completed;
+
                     currentDownloads.Remove(request);
                 }, TaskCreationOptions.LongRunning);
             };
 
             request.Failure += error =>
             {
+                BeatmapDownloadFailed?.Invoke(request);
+
                 if (error is OperationCanceledException) return;
 
                 downloadNotification.State = ProgressNotificationState.Cancelled;
@@ -276,7 +309,7 @@ namespace osu.Game.Beatmaps
         /// </summary>
         /// <param name="query">The query.</param>
         /// <returns>Results from the provided query.</returns>
-        public IEnumerable<BeatmapInfo> QueryBeatmaps(Expression<Func<BeatmapInfo, bool>> query) => beatmaps.Beatmaps.AsNoTracking().Where(query);
+        public IQueryable<BeatmapInfo> QueryBeatmaps(Expression<Func<BeatmapInfo, bool>> query) => beatmaps.Beatmaps.AsNoTracking().Where(query);
 
         /// <summary>
         /// Denotes whether an osu-stable installation is present to perform automated imports from.
@@ -355,21 +388,10 @@ namespace osu.Game.Beatmaps
                     beatmap.BeatmapInfo.Hash = ms.ComputeSHA2Hash();
                     beatmap.BeatmapInfo.MD5Hash = ms.ComputeMD5Hash();
 
-                    // check that no existing beatmap exists that is imported with the same online beatmap ID. if so, give it precedence.
+                    var ruleset = rulesets.GetRuleset(beatmap.BeatmapInfo.RulesetID);
-                    if (beatmap.BeatmapInfo.OnlineBeatmapID.HasValue && QueryBeatmap(b => b.OnlineBeatmapID.Value == beatmap.BeatmapInfo.OnlineBeatmapID.Value) != null)
-                        beatmap.BeatmapInfo.OnlineBeatmapID = null;
-
-                    RulesetInfo ruleset = rulesets.GetRuleset(beatmap.BeatmapInfo.RulesetID);
-
                     beatmap.BeatmapInfo.Ruleset = ruleset;
-
+                    // TODO: this should be done in a better place once we actually need to dynamically update it.
-                    if (ruleset != null)
+                    beatmap.BeatmapInfo.StarDifficulty = ruleset?.CreateInstance().CreateDifficultyCalculator(new DummyConversionBeatmap(beatmap)).Calculate().StarRating ?? 0;
-                    {
-                        // TODO: this should be done in a better place once we actually need to dynamically update it.
-                        beatmap.BeatmapInfo.StarDifficulty = ruleset.CreateInstance().CreateDifficultyCalculator(new DummyConversionBeatmap(beatmap)).Calculate().StarRating;
-                    }
-                    else
-                        beatmap.BeatmapInfo.StarDifficulty = 0;
 
                     beatmapInfos.Add(beatmap.BeatmapInfo);
                 }
@@ -382,16 +404,17 @@ namespace osu.Game.Beatmaps
         /// Query the API to populate mising OnlineBeatmapID / OnlineBeatmapSetID properties.
         /// </summary>
         /// <param name="beatmap">The beatmap to populate.</param>
+        /// <param name="otherBeatmaps">The other beatmaps contained within this set.</param>
         /// <param name="force">Whether to re-query if the provided beatmap already has populated values.</param>
         /// <returns>True if population was successful.</returns>
-        private bool fetchAndPopulateOnlineIDs(BeatmapInfo beatmap, bool force = false)
+        private bool fetchAndPopulateOnlineIDs(BeatmapInfo beatmap, IEnumerable<BeatmapInfo> otherBeatmaps, bool force = false)
         {
+            if (api?.State != APIState.Online)
+                return false;
+
             if (!force && beatmap.OnlineBeatmapID != null && beatmap.BeatmapSet.OnlineBeatmapSetID != null)
                 return true;
 
-            if (api.State != APIState.Online)
-                return false;
-
             Logger.Log("Attempting online lookup for IDs...", LoggingTarget.Database);
 
             try
@@ -404,6 +427,12 @@ namespace osu.Game.Beatmaps
 
                 Logger.Log($"Successfully mapped to {res.OnlineBeatmapSetID} / {res.OnlineBeatmapID}.", LoggingTarget.Database);
 
+                if (otherBeatmaps.Any(b => b.OnlineBeatmapID == res.OnlineBeatmapID))
+                {
+                    Logger.Log("Another beatmap in the same set already mapped to this ID. We'll skip adding it this time.", LoggingTarget.Database);
+                    return false;
+                }
+
                 beatmap.BeatmapSet.OnlineBeatmapSetID = res.OnlineBeatmapSetID;
                 beatmap.OnlineBeatmapID = res.OnlineBeatmapID;
                 return true;
@@ -432,5 +461,21 @@ namespace osu.Game.Beatmaps
             protected override Texture GetBackground() => null;
             protected override Track GetTrack() => null;
         }
+
+        private class DownloadNotification : ProgressNotification
+        {
+            public override bool IsImportant => false;
+
+            protected override Notification CreateCompletionNotification() => new SilencedProgressCompletionNotification
+            {
+                Activated = CompletionClickAction,
+                Text = CompletionText
+            };
+
+            private class SilencedProgressCompletionNotification : ProgressCompletionNotification
+            {
+                public override bool IsImportant => false;
+            }
+        }
     }
 }

osu.Game/Beatmaps/BeatmapMetadata.cs

@@ -14,7 +14,6 @@ namespace osu.Game.Beatmaps
     public class BeatmapMetadata : IEquatable<BeatmapMetadata>
     {
         [DatabaseGenerated(DatabaseGeneratedOption.Identity)]
-        [JsonIgnore]
         public int ID { get; set; }
 
         public string Title { get; set; }

osu.Game/Beatmaps/ControlPoints/SampleControlPoint.cs

@@ -40,7 +40,6 @@ namespace osu.Game.Beatmaps.ControlPoints
         {
             var newSampleInfo = sampleInfo.Clone();
             newSampleInfo.Bank = sampleInfo.Bank ?? SampleBank;
-            newSampleInfo.Name = sampleInfo.Name;
             newSampleInfo.Volume = sampleInfo.Volume > 0 ? sampleInfo.Volume : SampleVolume;
             return newSampleInfo;
         }

osu.Game/Beatmaps/Drawables/BeatmapSetDownloader.cs

@@ -5,6 +5,7 @@ using System.Linq;
 using osu.Framework.Allocation;
 using osu.Framework.Configuration;
 using osu.Framework.Graphics;
+using osu.Game.Online.API.Requests;
 
 namespace osu.Game.Beatmaps.Drawables
 {
@@ -19,9 +20,9 @@ namespace osu.Game.Beatmaps.Drawables
         private BeatmapManager beatmaps;
 
         /// <summary>
-        /// Whether the associated beatmap set has been downloading (by this instance or any other instance).
+        /// Holds the current download state of the beatmap, whether is has already been downloaded, is in progress, or is not downloaded.
         /// </summary>
-        public readonly BindableBool Downloaded = new BindableBool();
+        public readonly Bindable<DownloadStatus> DownloadState = new Bindable<DownloadStatus>();
 
         public BeatmapSetDownloader(BeatmapSetInfo set, bool noVideo = false)
         {
@@ -36,10 +37,16 @@ namespace osu.Game.Beatmaps.Drawables
 
             beatmaps.ItemAdded += setAdded;
             beatmaps.ItemRemoved += setRemoved;
+            beatmaps.BeatmapDownloadBegan += downloadBegan;
+            beatmaps.BeatmapDownloadFailed += downloadFailed;
 
             // initial value
-            if (set.OnlineBeatmapSetID != null)
+            if (set.OnlineBeatmapSetID != null && beatmaps.QueryBeatmapSets(s => s.OnlineBeatmapSetID == set.OnlineBeatmapSetID && !s.DeletePending).Any())
-                Downloaded.Value = beatmaps.QueryBeatmapSets(s => s.OnlineBeatmapSetID == set.OnlineBeatmapSetID && !s.DeletePending).Any();
+                DownloadState.Value = DownloadStatus.Downloaded;
+            else if (beatmaps.GetExistingDownload(set) != null)
+                DownloadState.Value = DownloadStatus.Downloading;
+            else
+                DownloadState.Value = DownloadStatus.NotDownloaded;
         }
 
         protected override void Dispose(bool isDisposing)
@@ -50,6 +57,8 @@ namespace osu.Game.Beatmaps.Drawables
             {
                 beatmaps.ItemAdded -= setAdded;
                 beatmaps.ItemRemoved -= setRemoved;
+                beatmaps.BeatmapDownloadBegan -= downloadBegan;
+                beatmaps.BeatmapDownloadFailed -= downloadFailed;
             }
         }
 
@@ -57,28 +66,45 @@ namespace osu.Game.Beatmaps.Drawables
         /// Begin downloading the associated beatmap set.
         /// </summary>
         /// <returns>True if downloading began. False if an existing download is active or completed.</returns>
-        public bool Download()
+        public void Download()
         {
-            if (Downloaded.Value)
+            if (DownloadState.Value > DownloadStatus.NotDownloaded)
-                return false;
+                return;
-
-            if (beatmaps.GetExistingDownload(set) != null)
-                return false;
 
             beatmaps.Download(set, noVideo);
-            return true;
+
+            DownloadState.Value = DownloadStatus.Downloading;
         }
 
         private void setAdded(BeatmapSetInfo s)
         {
             if (s.OnlineBeatmapSetID == set.OnlineBeatmapSetID)
-                Downloaded.Value = true;
+                DownloadState.Value = DownloadStatus.Downloaded;
         }
 
         private void setRemoved(BeatmapSetInfo s)
         {
             if (s.OnlineBeatmapSetID == set.OnlineBeatmapSetID)
-                Downloaded.Value = false;
+                DownloadState.Value = DownloadStatus.NotDownloaded;
+        }
+
+        private void downloadBegan(DownloadBeatmapSetRequest d)
+        {
+            if (d.BeatmapSet.OnlineBeatmapSetID == set.OnlineBeatmapSetID)
+                DownloadState.Value = DownloadStatus.Downloading;
+        }
+
+        private void downloadFailed(DownloadBeatmapSetRequest d)
+        {
+            if (d.BeatmapSet.OnlineBeatmapSetID == set.OnlineBeatmapSetID)
+                DownloadState.Value = DownloadStatus.NotDownloaded;
+        }
+
+        public enum DownloadStatus
+        {
+            NotDownloaded,
+            Downloading,
+            Downloaded,
         }
     }
 }

osu.Game/Beatmaps/Drawables/DifficultyColouredContainer.cs

@@ -9,14 +9,14 @@ using OpenTK.Graphics;
 
 namespace osu.Game.Beatmaps.Drawables
 {
-    public class DifficultyColouredContainer : Container, IHasAccentColour
+    public abstract class DifficultyColouredContainer : Container, IHasAccentColour
     {
         public Color4 AccentColour { get; set; }
 
         private readonly BeatmapInfo beatmap;
         private OsuColour palette;
 
-        public DifficultyColouredContainer(BeatmapInfo beatmap)
+        protected DifficultyColouredContainer(BeatmapInfo beatmap)
         {
             this.beatmap = beatmap;
         }

osu.Game/Beatmaps/Drawables/DifficultyIcon.cs

@@ -3,10 +3,14 @@
 
 using System;
 using osu.Framework.Allocation;
+using osu.Framework.Extensions.Color4Extensions;
 using osu.Framework.Graphics;
+using osu.Framework.Graphics.Containers;
+using osu.Framework.Graphics.Shapes;
 using osu.Game.Graphics;
 using osu.Game.Graphics.Containers;
 using OpenTK;
+using OpenTK.Graphics;
 
 namespace osu.Game.Beatmaps.Drawables
 {
@@ -14,7 +18,8 @@ namespace osu.Game.Beatmaps.Drawables
     {
         private readonly BeatmapInfo beatmap;
 
-        public DifficultyIcon(BeatmapInfo beatmap) : base(beatmap)
+        public DifficultyIcon(BeatmapInfo beatmap)
+            : base(beatmap)
         {
             if (beatmap == null)
                 throw new ArgumentNullException(nameof(beatmap));
@@ -28,16 +33,29 @@ namespace osu.Game.Beatmaps.Drawables
         {
             Children = new Drawable[]
             {
-                new SpriteIcon
+                new CircularContainer
                 {
+                    RelativeSizeAxes = Axes.Both,
+                    Scale = new Vector2(0.84f),
                     Anchor = Anchor.Centre,
                     Origin = Anchor.Centre,
-                    RelativeSizeAxes = Axes.Both,
+                    Masking = true,
-                    Colour = AccentColour,
+                    EdgeEffect = new EdgeEffectParameters
-                    Icon = FontAwesome.fa_circle
+                    {
+                        Colour = Color4.Black.Opacity(0.08f),
+                        Type = EdgeEffectType.Shadow,
+                        Radius = 5,
+                    },
+                    Child = new Box
+                    {
+                        RelativeSizeAxes = Axes.Both,
+                        Colour = AccentColour,
+                    },
                 },
                 new ConstrainedIconContainer
                 {
+                    Anchor = Anchor.Centre,
+                    Origin = Anchor.Centre,
                     RelativeSizeAxes = Axes.Both,
                     // the null coalesce here is only present to make unit tests work (ruleset dlls aren't copied correctly for testing at the moment)
                     Icon = beatmap.Ruleset?.CreateInstance().CreateIcon() ?? new SpriteIcon { Icon = FontAwesome.fa_question_circle_o }

osu.Game/Beatmaps/Formats/LegacyBeatmapDecoder.cs

@@ -62,28 +62,30 @@ namespace osu.Game.Beatmaps.Formats
 
         protected override void ParseLine(Beatmap beatmap, Section section, string line)
         {
+            var strippedLine = StripComments(line);
+
             switch (section)
             {
                 case Section.General:
-                    handleGeneral(line);
+                    handleGeneral(strippedLine);
                     return;
                 case Section.Editor:
-                    handleEditor(line);
+                    handleEditor(strippedLine);
                     return;
                 case Section.Metadata:
                     handleMetadata(line);
                     return;
                 case Section.Difficulty:
-                    handleDifficulty(line);
+                    handleDifficulty(strippedLine);
                     return;
                 case Section.Events:
-                    handleEvent(line);
+                    handleEvent(strippedLine);
                     return;
                 case Section.TimingPoints:
-                    handleTimingPoint(line);
+                    handleTimingPoint(strippedLine);
                     return;
                 case Section.HitObjects:
-                    handleHitObject(line);
+                    handleHitObject(strippedLine);
                     return;
             }
 
@@ -305,9 +307,9 @@ namespace osu.Game.Beatmaps.Formats
                 bool omitFirstBarSignature = false;
                 if (split.Length >= 8)
                 {
-                    int effectFlags = int.Parse(split[7]);
+                    EffectFlags effectFlags = (EffectFlags)int.Parse(split[7]);
-                    kiaiMode = (effectFlags & 1) > 0;
+                    kiaiMode = effectFlags.HasFlag(EffectFlags.Kiai);
-                    omitFirstBarSignature = (effectFlags & 8) > 0;
+                    omitFirstBarSignature = effectFlags.HasFlag(EffectFlags.OmitFirstBarLine);
                 }
 
                 string stringSampleSet = sampleSet.ToString().ToLower();
@@ -405,5 +407,13 @@ namespace osu.Game.Beatmaps.Formats
         private double getOffsetTime() => ApplyOffsets ? offset : 0;
 
         private double getOffsetTime(double time) => time + (ApplyOffsets ? offset : 0);
+
+        [Flags]
+        internal enum EffectFlags
+        {
+            None = 0,
+            Kiai = 1,
+            OmitFirstBarLine = 8
+        }
     }
 }

osu.Game/Beatmaps/Formats/LegacyDecoder.cs

@@ -57,6 +57,8 @@ namespace osu.Game.Beatmaps.Formats
 
         protected virtual void ParseLine(T output, Section section, string line)
         {
+            line = StripComments(line);
+
             switch (section)
             {
                 case Section.Colours:
@@ -65,6 +67,14 @@ namespace osu.Game.Beatmaps.Formats
             }
         }
 
+        protected string StripComments(string line)
+        {
+            var index = line.IndexOf("//", StringComparison.Ordinal);
+            if (index > 0)
+                return line.Substring(0, index);
+            return line;
+        }
+
         private bool hasComboColours;
 
         private void handleColours(T output, string line)
@@ -178,8 +188,8 @@ namespace osu.Game.Beatmaps.Formats
             {
                 var baseInfo = base.ApplyTo(sampleInfo);
 
-                if (CustomSampleBank > 1)
+                if (string.IsNullOrEmpty(baseInfo.Suffix) && CustomSampleBank > 1)
-                    baseInfo.Name += CustomSampleBank;
+                    baseInfo.Suffix = CustomSampleBank.ToString();
 
                 return baseInfo;
             }

osu.Game/Beatmaps/Formats/LegacyStoryboardDecoder.cs

@@ -42,6 +42,8 @@ namespace osu.Game.Beatmaps.Formats
 
         protected override void ParseLine(Storyboard storyboard, Section section, string line)
         {
+            line = StripComments(line);
+
             switch (section)
             {
                 case Section.Events:

osu.Game/Beatmaps/IBeatmapConverter.cs

@@ -3,6 +3,7 @@
 
 using System;
 using System.Collections.Generic;
+using osu.Game.Rulesets;
 using osu.Game.Rulesets.Objects;
 
 namespace osu.Game.Beatmaps

osu.Game/Beatmaps/IBeatmapProcessor.cs

@@ -1,6 +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.Game.Rulesets;
+using osu.Game.Rulesets.Objects;
+
 namespace osu.Game.Beatmaps
 {
     /// <summary>

osu.Game/Beatmaps/WorkingBeatmap.cs

@@ -14,6 +14,7 @@ using osu.Framework.IO.File;
 using System.IO;
 using osu.Game.IO.Serialization;
 using osu.Game.Rulesets;
+using osu.Game.Rulesets.Objects;
 using osu.Game.Rulesets.UI;
 using osu.Game.Skinning;
 

osu.Game/Beatmaps/WorkingBeatmap_VirtualBeatmapTrack.cs

@@ -3,6 +3,7 @@
 
 using System.Linq;
 using osu.Framework.Audio.Track;
+using osu.Game.Rulesets.Objects;
 using osu.Game.Rulesets.Objects.Types;
 
 namespace osu.Game.Beatmaps

osu.Game/Database/ArchiveModelManager.cs

@@ -5,6 +5,7 @@ using System;
 using System.Collections.Generic;
 using System.IO;
 using System.Linq;
+using JetBrains.Annotations;
 using Microsoft.EntityFrameworkCore;
 using osu.Framework.IO.File;
 using osu.Framework.Logging;
@@ -175,7 +176,24 @@ namespace osu.Game.Database
         /// <param name="archive">The archive to be imported.</param>
         public TModel Import(ArchiveReader archive)
         {
-            TModel item = null;
+            try
+            {
+                return Import(CreateModel(archive), archive);
+            }
+            catch (Exception e)
+            {
+                Logger.Error(e, $"Model creation of {archive.Name} failed.", LoggingTarget.Database);
+                return null;
+            }
+        }
+
+        /// <summary>
+        /// Import an item from a <see cref="TModel"/>.
+        /// </summary>
+        /// <param name="item">The model to be imported.</param>
+        /// <param name="archive">An optional archive to use for model population.</param>
+        public TModel Import(TModel item, ArchiveReader archive = null)
+        {
             delayEvents();
 
             try
@@ -186,18 +204,16 @@ namespace osu.Game.Database
                     {
                         if (!write.IsTransactionLeader) throw new InvalidOperationException($"Ensure there is no parent transaction so errors can correctly be handled by {this}");
 
-                        // create a new model (don't yet add to database)
-                        item = CreateModel(archive);
-
                         var existing = CheckForExisting(item);
 
                         if (existing != null)
                         {
-                            Logger.Log($"Found existing {typeof(TModel)} for {archive.Name} (ID {existing.ID}). Skipping import.", LoggingTarget.Database);
+                            Logger.Log($"Found existing {typeof(TModel)} for {item} (ID {existing.ID}). Skipping import.", LoggingTarget.Database);
                             return existing;
                         }
 
-                        item.Files = createFileInfos(archive, Files);
+                        if (archive != null)
+                            item.Files = createFileInfos(archive, Files);
 
                         Populate(item, archive);
 
@@ -211,11 +227,11 @@ namespace osu.Game.Database
                     }
                 }
 
-                Logger.Log($"Import of {archive.Name} successfully completed!", LoggingTarget.Database);
+                Logger.Log($"Import of {item} successfully completed!", LoggingTarget.Database);
             }
             catch (Exception e)
             {
-                Logger.Error(e, $"Import of {archive.Name} failed and has been rolled back.", LoggingTarget.Database);
+                Logger.Error(e, $"Import of {item} failed and has been rolled back.", LoggingTarget.Database);
                 item = null;
             }
             finally
@@ -227,12 +243,6 @@ namespace osu.Game.Database
             return item;
         }
 
-        /// <summary>
-        /// Import an item from a <see cref="TModel"/>.
-        /// </summary>
-        /// <param name="item">The model to be imported.</param>
-        public void Import(TModel item) => ModelStore.Add(item);
-
         /// <summary>
         /// Perform an update of the specified item.
         /// TODO: Support file changes.
@@ -385,8 +395,8 @@ namespace osu.Game.Database
         /// After this method, the model should be in a state ready to commit to a store.
         /// </summary>
         /// <param name="model">The model to populate.</param>
-        /// <param name="archive">The archive to use as a reference for population.</param>
+        /// <param name="archive">The archive to use as a reference for population. May be null.</param>
-        protected virtual void Populate(TModel model, ArchiveReader archive)
+        protected virtual void Populate(TModel model, [CanBeNull] ArchiveReader archive)
         {
         }
 

osu.Game/Database/DatabaseContextFactory.cs

@@ -11,7 +11,7 @@ namespace osu.Game.Database
 {
     public class DatabaseContextFactory : IDatabaseContextFactory
     {
-        private readonly GameHost host;
+        private readonly Storage storage;
 
         private const string database_name = @"client";
 
@@ -26,9 +26,9 @@ namespace osu.Game.Database
 
         private IDbContextTransaction currentWriteTransaction;
 
-        public DatabaseContextFactory(GameHost host)
+        public DatabaseContextFactory(Storage storage)
         {
-            this.host = host;
+            this.storage = storage;
             recycleThreadContexts();
         }
 
@@ -117,7 +117,7 @@ namespace osu.Game.Database
 
         private void recycleThreadContexts() => threadContexts = new ThreadLocal<OsuDbContext>(CreateContext);
 
-        protected virtual OsuDbContext CreateContext() => new OsuDbContext(host.Storage.GetDatabaseConnectionString(database_name))
+        protected virtual OsuDbContext CreateContext() => new OsuDbContext(storage.GetDatabaseConnectionString(database_name))
         {
             Database = { AutoTransactionsEnabled = false }
         };
@@ -129,7 +129,7 @@ namespace osu.Game.Database
                 recycleThreadContexts();
                 GC.Collect();
                 GC.WaitForPendingFinalizers();
-                host.Storage.DeleteDatabase(database_name);
+                storage.DeleteDatabase(database_name);
             }
         }
     }

osu.Game/Database/SingletonContextFactory.cs

@@ -1,19 +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.Database
-{
-    public class SingletonContextFactory : IDatabaseContextFactory
-    {
-        private readonly OsuDbContext context;
-
-        public SingletonContextFactory(OsuDbContext context)
-        {
-            this.context = context;
-        }
-
-        public OsuDbContext Get() => context;
-
-        public DatabaseWriteUsage GetForWrite(bool withTransaction = true) => new DatabaseWriteUsage(context, null);
-    }
-}

osu.Game/Graphics/Containers/OsuFocusedOverlayContainer.cs

@@ -5,10 +5,10 @@ using osu.Framework.Allocation;
 using osu.Framework.Audio;
 using osu.Framework.Audio.Sample;
 using osu.Framework.Graphics.Containers;
-using osu.Framework.Input;
 using OpenTK;
 using osu.Framework.Configuration;
 using osu.Framework.Input.Bindings;
+using osu.Framework.Input.States;
 using osu.Game.Audio;
 using osu.Game.Input.Bindings;
 using osu.Game.Overlays;
@@ -22,13 +22,16 @@ namespace osu.Game.Graphics.Containers
 
         protected virtual bool PlaySamplesOnStateChange => true;
 
+        protected override bool BlockPassThroughKeyboard => true;
+
         private PreviewTrackManager previewTrackManager;
 
+
         protected readonly Bindable<OverlayActivation> OverlayActivationMode = new Bindable<OverlayActivation>(OverlayActivation.All);
 
-        protected override IReadOnlyDependencyContainer CreateLocalDependencies(IReadOnlyDependencyContainer parent)
+        protected override IReadOnlyDependencyContainer CreateChildDependencies(IReadOnlyDependencyContainer parent)
         {
-            var dependencies = new DependencyContainer(base.CreateLocalDependencies(parent));
+            var dependencies = new DependencyContainer(base.CreateChildDependencies(parent));
             dependencies.CacheAs<IPreviewTrackOwner>(this);
             return dependencies;
         }
@@ -69,10 +72,13 @@ namespace osu.Game.Graphics.Containers
 
         public virtual bool OnPressed(GlobalAction action)
         {
-            if (action == GlobalAction.Back)
+            switch (action)
             {
-                State = Visibility.Hidden;
+                case GlobalAction.Back:
-                return true;
+                    State = Visibility.Hidden;
+                    return true;
+                case GlobalAction.Select:
+                    return true;
             }
 
             return false;

osu.Game/Graphics/Containers/OsuHoverContainer.cs

@@ -6,7 +6,7 @@ using OpenTK.Graphics;
 using osu.Framework.Allocation;
 using osu.Framework.Extensions.IEnumerableExtensions;
 using osu.Framework.Graphics;
-using osu.Framework.Input;
+using osu.Framework.Input.States;
 
 namespace osu.Game.Graphics.Containers
 {

osu.Game/Graphics/Containers/OsuScrollContainer.cs

@@ -2,7 +2,8 @@
 // Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
 
 using osu.Framework.Graphics.Containers;
-using osu.Framework.Input;
+using osu.Framework.Input.EventArgs;
+using osu.Framework.Input.States;
 using OpenTK.Input;
 
 namespace osu.Game.Graphics.Containers

osu.Game/Graphics/Cursor/MenuCursor.cs

@@ -8,11 +8,12 @@ using osu.Framework.Graphics;
 using osu.Framework.Graphics.Containers;
 using osu.Framework.Graphics.Cursor;
 using osu.Framework.Graphics.Sprites;
-using osu.Framework.Input;
 using osu.Game.Configuration;
 using System;
 using JetBrains.Annotations;
 using osu.Framework.Graphics.Textures;
+using osu.Framework.Input.EventArgs;
+using osu.Framework.Input.States;
 using OpenTK.Input;
 
 namespace osu.Game.Graphics.Cursor

osu.Game/Graphics/Cursor/OsuTooltipContainer.cs

@@ -21,6 +21,8 @@ namespace osu.Game.Graphics.Cursor
         {
         }
 
+        protected override double AppearDelay => (1 - CurrentTooltip.Alpha) * base.AppearDelay; // reduce appear delay if the tooltip is already partly visible.
+
         public class OsuTooltip : Tooltip
         {
             private readonly Box background;

osu.Game/Graphics/UserInterface/BarGraph.cs

@@ -26,10 +26,10 @@ namespace osu.Game.Graphics.UserInterface
             set
             {
                 direction = value;
-                base.Direction = (direction & BarDirection.Horizontal) > 0 ? FillDirection.Vertical : FillDirection.Horizontal;
+                base.Direction = direction.HasFlag(BarDirection.Horizontal) ? FillDirection.Vertical : FillDirection.Horizontal;
                 foreach (var bar in Children)
                 {
-                    bar.Size = (direction & BarDirection.Horizontal) > 0 ? new Vector2(1, 1.0f / Children.Count) : new Vector2(1.0f / Children.Count, 1);
+                    bar.Size = direction.HasFlag(BarDirection.Horizontal) ? new Vector2(1, 1.0f / Children.Count) : new Vector2(1.0f / Children.Count, 1);
                     bar.Direction = direction;
                 }
             }
@@ -56,14 +56,14 @@ namespace osu.Game.Graphics.UserInterface
                     if (bar.Bar != null)
                     {
                         bar.Bar.Length = length;
-                        bar.Bar.Size = (direction & BarDirection.Horizontal) > 0 ? new Vector2(1, size) : new Vector2(size, 1);
+                        bar.Bar.Size = direction.HasFlag(BarDirection.Horizontal) ? new Vector2(1, size) : new Vector2(size, 1);
                     }
                     else
                     {
                         Add(new Bar
                         {
                             RelativeSizeAxes = Axes.Both,
-                            Size = (direction & BarDirection.Horizontal) > 0 ? new Vector2(1, size) : new Vector2(size, 1),
+                            Size = direction.HasFlag(BarDirection.Horizontal) ? new Vector2(1, size) : new Vector2(size, 1),
                             Length = length,
                             Direction = Direction,
                         });

osu.Game/Graphics/UserInterface/DialogButton.cs

@@ -13,7 +13,7 @@ using osu.Game.Graphics.Sprites;
 using osu.Framework.Extensions.Color4Extensions;
 using osu.Game.Graphics.Containers;
 using osu.Framework.Configuration;
-using osu.Framework.Input;
+using osu.Framework.Input.States;
 
 namespace osu.Game.Graphics.UserInterface
 {

osu.Game/Graphics/UserInterface/ExternalLinkButton.cs

@@ -5,7 +5,7 @@ using osu.Framework.Allocation;
 using osu.Framework.Graphics;
 using osu.Framework.Graphics.Containers;
 using osu.Framework.Graphics.Cursor;
-using osu.Framework.Input;
+using osu.Framework.Input.States;
 using osu.Framework.Platform;
 using OpenTK;
 using OpenTK.Graphics;

osu.Game/Graphics/UserInterface/FocusedTextBox.cs

@@ -2,8 +2,9 @@
 // Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
 
 using OpenTK.Graphics;
-using osu.Framework.Input;
 using System;
+using osu.Framework.Input.EventArgs;
+using osu.Framework.Input.States;
 using osu.Game.Input.Bindings;
 using OpenTK.Input;
 

osu.Game/Graphics/UserInterface/HoverClickSounds.cs

@@ -5,7 +5,7 @@ using osu.Framework.Allocation;
 using osu.Framework.Audio;
 using osu.Framework.Audio.Sample;
 using osu.Framework.Extensions;
-using osu.Framework.Input;
+using osu.Framework.Input.States;
 
 namespace osu.Game.Graphics.UserInterface
 {

osu.Game/Graphics/UserInterface/HoverSounds.cs

@@ -8,7 +8,7 @@ using osu.Framework.Audio.Sample;
 using osu.Framework.Extensions;
 using osu.Framework.Graphics;
 using osu.Framework.Graphics.Containers;
-using osu.Framework.Input;
+using osu.Framework.Input.States;
 
 namespace osu.Game.Graphics.UserInterface
 {

osu.Game/Graphics/UserInterface/IconButton.cs

@@ -3,31 +3,17 @@
 
 using OpenTK;
 using OpenTK.Graphics;
-using osu.Framework.Allocation;
-using osu.Framework.Extensions.Color4Extensions;
 using osu.Framework.Graphics;
-using osu.Framework.Graphics.Containers;
+using osu.Framework.Input.States;
-using osu.Framework.Graphics.Shapes;
-using osu.Framework.Input;
-using osu.Game.Graphics.Containers;
 
 namespace osu.Game.Graphics.UserInterface
 {
-    public class IconButton : OsuClickableContainer
+    public class IconButton : OsuAnimatedButton
     {
         public const float BUTTON_SIZE = 30;
 
-        private Color4? flashColour;
-        /// <summary>
-        /// The colour that should be flashed when the <see cref="IconButton"/> is clicked.
-        /// </summary>
-        public Color4 FlashColour
-        {
-            get { return flashColour ?? Color4.White; }
-            set { flashColour = value; }
-        }
-
         private Color4? iconColour;
+
         /// <summary>
         /// The icon colour. This does not affect <see cref="IconButton.Colour"/>.
         /// </summary>
@@ -42,6 +28,7 @@ namespace osu.Game.Graphics.UserInterface
         }
 
         private Color4? iconHoverColour;
+
         /// <summary>
         /// The icon colour while the <see cref="IconButton"/> is hovered.
         /// </summary>
@@ -51,20 +38,6 @@ namespace osu.Game.Graphics.UserInterface
             set { iconHoverColour = value; }
         }
 
-        private Color4? hoverColour;
-        /// <summary>
-        /// The background colour of the <see cref="IconButton"/> while it is hovered.
-        /// </summary>
-        public Color4 HoverColour
-        {
-            get { return hoverColour ?? Color4.White; }
-            set
-            {
-                hoverColour = value;
-                hover.Colour = value;
-            }
-        }
-
         /// <summary>
         /// The icon.
         /// </summary>
@@ -88,93 +61,39 @@ namespace osu.Game.Graphics.UserInterface
         /// </summary>
         public Vector2 ButtonSize
         {
-            get { return content.Size; }
+            get => Content.Size;
-            set { content.Size = value; }
+            set
+            {
+                Content.RelativeSizeAxes = Axes.None;
+                Content.Size = value;
+            }
         }
 
-        private readonly Container content;
         private readonly SpriteIcon icon;
-        private readonly Box hover;
 
         public IconButton()
         {
             AutoSizeAxes = Axes.Both;
+            ButtonSize = new Vector2(BUTTON_SIZE);
 
-            Children = new Drawable[]
+            Add(icon = new SpriteIcon
             {
-                content = new Container
+                Origin = Anchor.Centre,
-                {
+                Anchor = Anchor.Centre,
-                    Origin = Anchor.Centre,
+                Size = new Vector2(18),
-                    Anchor = Anchor.Centre,
+            });
-                    Size = new Vector2(BUTTON_SIZE),
-                    CornerRadius = 5,
-                    Masking = true,
-                    EdgeEffect = new EdgeEffectParameters
-                    {
-                        Colour = Color4.Black.Opacity(0.04f),
-                        Type = EdgeEffectType.Shadow,
-                        Radius = 5,
-                    },
-                    Children = new Drawable[]
-                    {
-                        hover = new Box
-                        {
-                            RelativeSizeAxes = Axes.Both,
-                            Alpha = 0,
-                        },
-                        icon = new SpriteIcon
-                        {
-                            Origin = Anchor.Centre,
-                            Anchor = Anchor.Centre,
-                            Size = new Vector2(18),
-                        }
-                    }
-                }
-            };
-        }
-
-        [BackgroundDependencyLoader]
-        private void load(OsuColour colours)
-        {
-            if (hoverColour == null)
-                HoverColour = colours.Yellow.Opacity(0.6f);
-
-            if (flashColour == null)
-                FlashColour = colours.Yellow;
-
-            Enabled.ValueChanged += enabled => this.FadeColour(enabled ? Color4.White : colours.Gray9, 200, Easing.OutQuint);
         }
 
         protected override bool OnHover(InputState state)
         {
-            hover.FadeIn(500, Easing.OutQuint);
             icon.FadeColour(IconHoverColour, 500, Easing.OutQuint);
             return base.OnHover(state);
         }
 
         protected override void OnHoverLost(InputState state)
         {
-            hover.FadeOut(500, Easing.OutQuint);
             icon.FadeColour(IconColour, 500, Easing.OutQuint);
             base.OnHoverLost(state);
         }
-
-        protected override bool OnClick(InputState state)
-        {
-            hover.FlashColour(FlashColour, 800, Easing.OutQuint);
-            return base.OnClick(state);
-        }
-
-        protected override bool OnMouseDown(InputState state, MouseDownEventArgs args)
-        {
-            content.ScaleTo(0.75f, 2000, Easing.OutQuint);
-            return base.OnMouseDown(state, args);
-        }
-
-        protected override bool OnMouseUp(InputState state, MouseUpEventArgs args)
-        {
-            content.ScaleTo(1, 1000, Easing.OutElastic);
-            return base.OnMouseUp(state, args);
-        }
     }
 }