Merge pull request #3237 from peppy/fix-ui-stack-output

Fix notifiation stack trace output on mania conversion failure

README.md

@@ -24,9 +24,9 @@ Clone the repository including submodules
 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`
+- From command line using `dotnet run --project osu.Desktop`
 
-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

@@ -9,12 +9,10 @@ install:
   - cmd: git submodule update --init --recursive --depth=5
   - cmd: choco install resharper-clt -y
   - cmd: choco install nvika -y
-  - cmd: appveyor DownloadFile https://github.com/peppy/CodeFileSanity/releases/download/v0.2.5/CodeFileSanity.exe
+  - cmd: dotnet tool install CodeFileSanity --version 0.0.16 --global
 before_build:
-  - cmd: CodeFileSanity.exe
+  - cmd: CodeFileSanity
   - cmd: nuget restore -verbosity quiet
-environment:
-  TargetFramework: net471
 build:
   project: osu.sln
   parallel: true

appveyor_deploy.yml

@@ -16,17 +16,15 @@ build_script:
   - cd osu-deploy
   - nuget restore -verbosity quiet
   - msbuild osu.Desktop.Deploy.csproj
-  - cmd: ..\appveyor-tools\secure-file -decrypt ..\fdc6f19b04.enc -secret %decode_secret% -out bin\Debug\net471\osu.Desktop.Deploy.exe.config
-  - cd bin\Debug\net471\
-  - osu.Desktop.Deploy.exe %code_signing_password% %APPVEYOR_REPO_TAG_NAME%
+  - cmd: ..\appveyor-tools\secure-file -decrypt ..\fdc6f19b04.enc -secret %decode_secret% -out bin\Debug\netcoreapp2.1\osu.Desktop.Deploy.dll.config
+  - dotnet bin/Debug/netcoreapp2.1/osu.Desktop.Deploy.dll %code_signing_password% %APPVEYOR_REPO_TAG_NAME%
 environment:
-  TargetFramework: net471
   decode_secret:
     secure: i67IC2xj6DjjxmA6Oj2jing3+MwzLkq6CbGsjfZ7rdY=
   code_signing_password:
     secure: 34tLNqvjmmZEi97MLKfrnQ==
 artifacts:
-  - path: 'Releases\*'
+  - path: 'osu-deploy/releases/*'
 deploy:
   - provider: Environment
     name: github

osu.Desktop/OsuGameDesktop.cs

@@ -13,6 +13,7 @@ using osu.Game;
 using OpenTK.Input;
 using Microsoft.Win32;
 using osu.Desktop.Updater;
+using osu.Framework;
 using osu.Framework.Platform.Windows;
 
 namespace osu.Desktop
@@ -51,11 +52,10 @@ namespace osu.Desktop
                     v.State = Visibility.Visible;
                 });
 
-#if NET_FRAMEWORK
-                Add(new SquirrelUpdateManager());
-#else
-                Add(new SimpleUpdateManager());
-#endif
+                if (RuntimeInfo.OS == RuntimeInfo.Platform.Windows)
+                    Add(new SquirrelUpdateManager());
+                else
+                    Add(new SimpleUpdateManager());
             }
         }
 

osu.Desktop/Program.cs

@@ -4,14 +4,13 @@
 using System;
 using System.IO;
 using System.Linq;
+using System.Threading;
+using System.Threading.Tasks;
 using osu.Framework;
+using osu.Framework.Logging;
 using osu.Framework.Platform;
 using osu.Game.IPC;
 
-#if NET_FRAMEWORK
-using System.Runtime;
-#endif
-
 namespace osu.Desktop
 {
     public static class Program
@@ -19,13 +18,13 @@ namespace osu.Desktop
         [STAThread]
         public static int Main(string[] args)
         {
-            useMultiCoreJit();
-
             // Back up the cwd before DesktopGameHost changes it
             var cwd = Environment.CurrentDirectory;
 
             using (DesktopGameHost host = Host.GetSuitableHost(@"osu", true))
             {
+                host.ExceptionThrown += handleException;
+
                 if (!host.IsPrimaryInstance)
                 {
                     var importer = new ArchiveImportIPCChannel(host);
@@ -52,13 +51,21 @@ namespace osu.Desktop
             }
         }
 
-        private static void useMultiCoreJit()
+        private static int allowableExceptions = 1;
+
+        /// <summary>
+        /// Allow a maximum of one unhandled exception, per second of execution.
+        /// </summary>
+        /// <param name="arg"></param>
+        /// <returns></returns>
+        private static bool handleException(Exception arg)
         {
-#if NET_FRAMEWORK
-            var directory = Directory.CreateDirectory(Path.Combine(AppDomain.CurrentDomain.BaseDirectory, "Profiles"));
-            ProfileOptimization.SetProfileRoot(directory.FullName);
-            ProfileOptimization.StartProfile("Startup.Profile");
-#endif
+            bool continueExecution = Interlocked.Decrement(ref allowableExceptions) >= 0;
+
+            Logger.Log($"Unhandled exception has been {(continueExecution ? "allowed" : "denied")} with {allowableExceptions} more allowable exceptions.");
+
+            Task.Delay(1000).ContinueWith(_ => Interlocked.Increment(ref allowableExceptions));
+            return continueExecution;
         }
     }
 }

osu.Desktop/Updater/SquirrelUpdateManager.cs

@@ -1,7 +1,6 @@
 // Copyright (c) 2007-2018 ppy Pty Ltd <contact@ppy.sh>.
 // Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
 
-#if NET_FRAMEWORK
 using System;
 using System.Threading.Tasks;
 using osu.Framework.Allocation;
@@ -162,4 +161,3 @@ namespace osu.Desktop.Updater
         }
     }
 }
-#endif

osu.Desktop/osu.Desktop.csproj

@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <Import Project="..\osu.Game.props" />
   <PropertyGroup Label="Project">
-    <TargetFrameworks>net471;netcoreapp2.1</TargetFrameworks>
+    <TargetFramework>netcoreapp2.1</TargetFramework>
     <OutputType>WinExe</OutputType>
     <PlatformTarget>AnyCPU</PlatformTarget>
     <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
@@ -13,9 +13,6 @@
     <Version>0.0.0</Version>
     <FileVersion>0.0.0</FileVersion>
   </PropertyGroup>
-  <PropertyGroup Label="Defines">
-    <DefineConstants Condition="'$(TargetFramework)' == 'net471'">$(DefineConstants);NET_FRAMEWORK</DefineConstants>
-  </PropertyGroup>
   <PropertyGroup>
     <StartupObject>osu.Desktop.Program</StartupObject>
   </PropertyGroup>
@@ -29,11 +26,12 @@
     <PackageReference Include="Microsoft.Win32.Registry" Version="4.5.0" />
   </ItemGroup>
   <ItemGroup Label="Package References">
+    <PackageReference Include="System.IO.Packaging" Version="4.5.0" />
+    <PackageReference Include="ppy.squirrel.windows" Version="1.8.0.5" />
     <PackageReference Include="Microsoft.EntityFrameworkCore.Sqlite" Version="2.1.1" />
     <PackageReference Include="Microsoft.EntityFrameworkCore.Design" Version="2.1.1" />
-    <PackageReference Include="squirrel.windows" Version="1.8.0" Condition="'$(TargetFramework)' == 'net471'" />
   </ItemGroup>
   <ItemGroup Label="Resources">
     <EmbeddedResource Include="lazer.ico" />
   </ItemGroup>
-</Project>
+</Project>

osu.Desktop/osu.nuspec

@@ -3,7 +3,7 @@
     <metadata>
         <id>osulazer</id>
         <version>0.0.0</version>
-        <title>osulazer</title>
+        <title>osu!lazer</title>
         <authors>ppy Pty Ltd</authors>
         <owners>Dean Herbert</owners>
         <projectUrl>https://osu.ppy.sh/</projectUrl>

osu.Game.Rulesets.Catch.Tests/.vscode/launch.json

@@ -2,35 +2,7 @@
     "version": "0.2.0",
     "configurations": [
         {
-            "name": "VisualTests (Debug, net471)",
-            "windows": {
-                "type": "clr"
-            },
-            "type": "mono",
-            "request": "launch",
-            "program": "${workspaceRoot}/bin/Debug/net471/osu.Game.Rulesets.Catch.Tests.exe",
-            "cwd": "${workspaceRoot}",
-            "preLaunchTask": "Build (Debug, msbuild)",
-            "runtimeExecutable": null,
-            "env": {},
-            "console": "internalConsole"
-        },
-        {
-            "name": "VisualTests (Release, net471)",
-            "windows": {
-                "type": "clr"
-            },
-            "type": "mono",
-            "request": "launch",
-            "program": "${workspaceRoot}/bin/Release/net471/osu.Game.Rulesets.Catch.Tests.exe",
-            "cwd": "${workspaceRoot}",
-            "preLaunchTask": "Build (Release, msbuild)",
-            "runtimeExecutable": null,
-            "env": {},
-            "console": "internalConsole"
-        },
-        {
-            "name": "VisualTests (Debug, netcoreapp2.1)",
+            "name": "VisualTests (Debug)",
             "type": "coreclr",
             "request": "launch",
             "program": "dotnet",
@@ -38,12 +10,12 @@
                 "${workspaceRoot}/bin/Debug/netcoreapp2.1/osu.Game.Rulesets.Catch.Tests.dll"
             ],
             "cwd": "${workspaceRoot}",
-            "preLaunchTask": "Build (Debug, dotnet)",
+            "preLaunchTask": "Build (Debug)",
             "env": {},
             "console": "internalConsole"
         },
         {
-            "name": "VisualTests (Release, netcoreapp2.1)",
+            "name": "VisualTests (Release)",
             "type": "coreclr",
             "request": "launch",
             "program": "dotnet",
@@ -51,7 +23,7 @@
                 "${workspaceRoot}/bin/Release/netcoreapp2.1/osu.Game.Rulesets.Catch.Tests.dll"
             ],
             "cwd": "${workspaceRoot}",
-            "preLaunchTask": "Build (Release, dotnet)",
+            "preLaunchTask": "Build (Release)",
             "env": {},
             "console": "internalConsole"
         }

osu.Game.Rulesets.Catch.Tests/.vscode/tasks.json

@@ -4,43 +4,13 @@
     "version": "2.0.0",
     "tasks": [
         {
-            "label": "Build (Debug, msbuild)",
-            "type": "shell",
-            "command": "msbuild",
-            "args": [
-                "osu.Game.Rulesets.Catch.Tests.csproj",
-                "/p:TargetFramework=net471",
-                "/p:GenerateFullPaths=true",
-                "/m",
-                "/verbosity:m"
-            ],
-            "group": "build",
-            "problemMatcher": "$msCompile"
-        },
-        {
-            "label": "Build (Release, msbuild)",
-            "type": "shell",
-            "command": "msbuild",
-            "args": [
-                "osu.Game.Rulesets.Catch.Tests.csproj",
-                "/p:Configuration=Release",
-                "/p:TargetFramework=net471",
-                "/p:GenerateFullPaths=true",
-                "/m",
-                "/verbosity:m"
-            ],
-            "group": "build",
-            "problemMatcher": "$msCompile"
-        },
-        {
-            "label": "Build (Debug, dotnet)",
+            "label": "Build (Debug)",
             "type": "shell",
             "command": "dotnet",
             "args": [
                 "build",
                 "--no-restore",
                 "osu.Game.Rulesets.Catch.Tests.csproj",
-                "/p:TargetFramework=netcoreapp2.1",
                 "/p:GenerateFullPaths=true",
                 "/m",
                 "/verbosity:m"
@@ -49,14 +19,13 @@
             "problemMatcher": "$msCompile"
         },
         {
-            "label": "Build (Release, dotnet)",
+            "label": "Build (Release)",
             "type": "shell",
             "command": "dotnet",
             "args": [
                 "build",
                 "--no-restore",
                 "osu.Game.Rulesets.Catch.Tests.csproj",
-                "/p:TargetFramework=netcoreapp2.1",
                 "/p:Configuration=Release",
                 "/p:GenerateFullPaths=true",
                 "/m",
@@ -66,16 +35,7 @@
             "problemMatcher": "$msCompile"
         },
         {
-            "label": "Restore (net471)",
-            "type": "shell",
-            "command": "nuget",
-            "args": [
-                "restore"
-            ],
-            "problemMatcher": []
-        },
-        {
-            "label": "Restore (netcoreapp2.1)",
+            "label": "Restore",
             "type": "shell",
             "command": "dotnet",
             "args": [

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)
-                    yield return new ConvertValue((CatchHitObject)nested);
+                case JuiceStream stream:
+                    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/osu.Game.Rulesets.Catch.Tests.csproj

@@ -1,8 +1,14 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <Import Project="..\osu.TestProject.props" />
+  <ItemGroup Label="Package References">
+    <PackageReference Include="Appveyor.TestLogger" Version="2.0.0" />
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="15.8.0" />
+    <PackageReference Include="NUnit" Version="3.10.1" />
+    <PackageReference Include="NUnit3TestAdapter" Version="3.10.0" />
+  </ItemGroup>
   <PropertyGroup Label="Project">
     <OutputType>WinExe</OutputType>
-    <TargetFrameworks>netcoreapp2.1;net471</TargetFrameworks>
+    <TargetFramework>netcoreapp2.1</TargetFramework>
   </PropertyGroup>
   <ItemGroup Label="Project References">
     <ProjectReference Include="..\osu.Game.Rulesets.Catch\osu.Game.Rulesets.Catch.csproj" />

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

@@ -41,6 +41,7 @@ namespace osu.Game.Rulesets.Catch.Beatmaps
                     RepeatCount = curveData.RepeatCount,
                     X = (positionData?.X ?? 0) / CatchPlayfield.BASE_WIDTH,
                     NewCombo = comboData?.NewCombo ?? false,
+                    ComboOffset = comboData?.ComboOffset ?? 0,
                     LegacyLastTickOffset = legacyOffset?.LegacyLastTickOffset ?? 0
                 };
             }
@@ -51,7 +52,8 @@ namespace osu.Game.Rulesets.Catch.Beatmaps
                     StartTime = obj.StartTime,
                     Samples = obj.Samples,
                     Duration = endTime.Duration,
-                    NewCombo = comboData?.NewCombo ?? false
+                    NewCombo = comboData?.NewCombo ?? false,
+                    ComboOffset = comboData?.ComboOffset ?? 0,
                 };
             }
             else
@@ -61,6 +63,7 @@ namespace osu.Game.Rulesets.Catch.Beatmaps
                     StartTime = obj.StartTime,
                     Samples = obj.Samples,
                     NewCombo = comboData?.NewCombo ?? false,
+                    ComboOffset = comboData?.ComboOffset ?? 0,
                     X = (positionData?.X ?? 0) / CatchPlayfield.BASE_WIDTH
                 };
             }

osu.Game.Rulesets.Catch/CatchRuleset.cs

@@ -93,13 +93,11 @@ namespace osu.Game.Rulesets.Catch
                         new CatchModHidden(),
                         new CatchModFlashlight(),
                     };
-                case ModType.Special:
+                case ModType.Automation:
                     return new Mod[]
                     {
-                        new CatchModRelax(),
-                        null,
-                        null,
                         new MultiMod(new CatchModAutoplay(), new ModCinema()),
+                        new CatchModRelax(),
                     };
                 default:
                     return new Mod[] { };

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.
-                if (hitObject is Fruit)
+                switch (hitObject)
                 {
-                    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));

osu.Game.Rulesets.Catch/Judgements/CatchBananaJudgement.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 osu.Game.Rulesets.Judgements;
 using osu.Game.Rulesets.Scoring;
 
 namespace osu.Game.Rulesets.Catch.Judgements
@@ -9,8 +10,6 @@ namespace osu.Game.Rulesets.Catch.Judgements
     {
         public override bool AffectsCombo => false;
 
-        public override bool ShouldExplode => true;
-
         protected override int NumericResultFor(HitResult result)
         {
             switch (result)
@@ -32,5 +31,7 @@ namespace osu.Game.Rulesets.Catch.Judgements
                     return 8;
             }
         }
+
+        public override bool ShouldExplodeFor(JudgementResult result) => true;
     }
 }

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

@@ -23,21 +23,10 @@ namespace osu.Game.Rulesets.Catch.Judgements
         }
 
         /// <summary>
-        /// The base health increase for the result achieved.
+        /// Retrieves the numeric health increase of a <see cref="HitResult"/>.
         /// </summary>
-        public float HealthIncrease => HealthIncreaseFor(Result);
-
-        /// <summary>
-        /// Whether fruit on the platter should explode or drop.
-        /// Note that this is only checked if the owning object is also <see cref="IHasComboInformation.LastInCombo" />
-        /// </summary>
-        public virtual bool ShouldExplode => IsHit;
-
-        /// <summary>
-        /// Convert a <see cref="HitResult"/> to a base health increase.
-        /// </summary>
-        /// <param name="result">The value to convert.</param>
-        /// <returns>The base health increase.</returns>
+        /// <param name="result">The <see cref="HitResult"/> to find the numeric health increase for.</param>
+        /// <returns>The numeric health increase of <paramref name="result"/>.</returns>
         protected virtual float HealthIncreaseFor(HitResult result)
         {
             switch (result)
@@ -48,5 +37,18 @@ namespace osu.Game.Rulesets.Catch.Judgements
                     return 10.2f;
             }
         }
+
+        /// <summary>
+        /// Retrieves the numeric health increase of a <see cref="JudgementResult"/>.
+        /// </summary>
+        /// <param name="result">The <see cref="JudgementResult"/> to find the numeric health increase for.</param>
+        /// <returns>The numeric health increase of <paramref name="result"/>.</returns>
+        public float HealthIncreaseFor(JudgementResult result) => HealthIncreaseFor(result.Type);
+
+        /// <summary>
+        /// Whether fruit on the platter should explode or drop.
+        /// Note that this is only checked if the owning object is also <see cref="IHasComboInformation.LastInCombo" />
+        /// </summary>
+        public virtual bool ShouldExplodeFor(JudgementResult result) => result.IsHit;
     }
 }

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

@@ -1,10 +1,15 @@
 // Copyright (c) 2007-2018 ppy Pty Ltd <contact@ppy.sh>.
 // Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
 
+using osu.Game.Rulesets.Catch.Judgements;
+using osu.Game.Rulesets.Judgements;
+
 namespace osu.Game.Rulesets.Catch.Objects
 {
     public class Banana : Fruit
     {
         public override FruitVisualRepresentation VisualRepresentation => FruitVisualRepresentation.Banana;
+
+        public override Judgement CreateJudgement() => new CatchBananaJudgement();
     }
 }

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

@@ -20,6 +20,8 @@ namespace osu.Game.Rulesets.Catch.Objects
 
         public virtual bool NewCombo { get; set; }
 
+        public int ComboOffset { get; set; }
+
         public int IndexInCurrentCombo { get; set; }
 
         public int ComboIndex { get; set; }

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

@@ -1,8 +1,6 @@
 // Copyright (c) 2007-2018 ppy Pty Ltd <contact@ppy.sh>.
 // Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
 
-using osu.Game.Rulesets.Catch.Judgements;
-
 namespace osu.Game.Rulesets.Catch.Objects.Drawable
 {
     public class DrawableBanana : DrawableFruit
@@ -11,7 +9,5 @@ namespace osu.Game.Rulesets.Catch.Objects.Drawable
             : base(h)
         {
         }
-
-        protected override CatchJudgement CreateJudgement() => new CatchBananaJudgement();
     }
 }

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

@@ -26,8 +26,6 @@ namespace osu.Game.Rulesets.Catch.Objects.Drawable
                 AddNested(getVisualRepresentation?.Invoke(b));
         }
 
-        protected override bool ProvidesJudgement => false;
-
         protected override void AddNested(DrawableHitObject h)
         {
             ((DrawableCatchHitObject)h).CheckPosition = o => CheckPosition?.Invoke(o) ?? false;

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

@@ -5,7 +5,6 @@ using System;
 using OpenTK;
 using OpenTK.Graphics;
 using osu.Framework.Graphics;
-using osu.Game.Rulesets.Catch.Judgements;
 using osu.Game.Rulesets.Objects.Drawables;
 using osu.Game.Rulesets.Objects.Types;
 using osu.Game.Rulesets.Scoring;
@@ -53,20 +52,14 @@ namespace osu.Game.Rulesets.Catch.Objects.Drawable
 
         public Func<CatchHitObject, bool> CheckPosition;
 
-        protected override void CheckForJudgements(bool userTriggered, double timeOffset)
+        protected override void CheckForResult(bool userTriggered, double timeOffset)
         {
             if (CheckPosition == null) return;
 
-            if (timeOffset >= 0)
-            {
-                var judgement = CreateJudgement();
-                judgement.Result = CheckPosition.Invoke(HitObject) ? HitResult.Perfect : HitResult.Miss;
-                AddJudgement(judgement);
-            }
+            if (timeOffset >= 0 && Result != null)
+                ApplyResult(r => r.Type = CheckPosition.Invoke(HitObject) ? HitResult.Perfect : HitResult.Miss);
         }
 
-        protected virtual CatchJudgement CreateJudgement() => new CatchJudgement();
-
         protected override void SkinChanged(ISkinSource skin, bool allowFallback)
         {
             base.SkinChanged(skin, allowFallback);

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

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

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

@@ -26,8 +26,6 @@ namespace osu.Game.Rulesets.Catch.Objects.Drawable
                 AddNested(getVisualRepresentation?.Invoke(o));
         }
 
-        protected override bool ProvidesJudgement => false;
-
         protected override void AddNested(DrawableHitObject h)
         {
             var catchObject = (DrawableCatchHitObject)h;

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

@@ -2,18 +2,15 @@
 // Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
 
 using OpenTK;
-using osu.Game.Rulesets.Catch.Judgements;
 
 namespace osu.Game.Rulesets.Catch.Objects.Drawable
 {
     public class DrawableTinyDroplet : DrawableDroplet
     {
-        public DrawableTinyDroplet(Droplet h)
+        public DrawableTinyDroplet(TinyDroplet h)
             : base(h)
         {
             Size = new Vector2((float)CatchHitObject.OBJECT_RADIUS) / 8;
         }
-
-        protected override CatchJudgement CreateJudgement() => new CatchTinyDropletJudgement();
     }
 }

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

@@ -1,9 +1,13 @@
 // Copyright (c) 2007-2018 ppy Pty Ltd <contact@ppy.sh>.
 // Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
 
+using osu.Game.Rulesets.Catch.Judgements;
+using osu.Game.Rulesets.Judgements;
+
 namespace osu.Game.Rulesets.Catch.Objects
 {
     public class Droplet : CatchHitObject
     {
+        public override Judgement CreateJudgement() => new CatchDropletJudgement();
     }
 }

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

@@ -1,9 +1,13 @@
 // Copyright (c) 2007-2018 ppy Pty Ltd <contact@ppy.sh>.
 // Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
 
+using osu.Game.Rulesets.Catch.Judgements;
+using osu.Game.Rulesets.Judgements;
+
 namespace osu.Game.Rulesets.Catch.Objects
 {
     public class Fruit : CatchHitObject
     {
+        public override Judgement CreateJudgement() => new CatchJudgement();
     }
 }

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

@@ -1,9 +1,13 @@
 // Copyright (c) 2007-2018 ppy Pty Ltd <contact@ppy.sh>.
 // Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
 
+using osu.Game.Rulesets.Catch.Judgements;
+using osu.Game.Rulesets.Judgements;
+
 namespace osu.Game.Rulesets.Catch.Objects
 {
     public class TinyDroplet : Droplet
     {
+        public override Judgement CreateJudgement() => new CatchTinyDropletJudgement();
     }
 }

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/Scoring/CatchScoreProcessor.cs

@@ -2,7 +2,6 @@
 // Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
 
 using System;
-using System.Linq;
 using osu.Game.Beatmaps;
 using osu.Game.Rulesets.Catch.Judgements;
 using osu.Game.Rulesets.Catch.Objects;
@@ -21,55 +20,28 @@ namespace osu.Game.Rulesets.Catch.Scoring
 
         private float hpDrainRate;
 
-        protected override void SimulateAutoplay(Beatmap<CatchHitObject> beatmap)
+        protected override void ApplyBeatmap(Beatmap<CatchHitObject> beatmap)
         {
-            hpDrainRate = beatmap.BeatmapInfo.BaseDifficulty.DrainRate;
+            base.ApplyBeatmap(beatmap);
 
-            foreach (var obj in beatmap.HitObjects)
-            {
-                switch (obj)
-                {
-                    case JuiceStream stream:
-                        foreach (var nestedObject in stream.NestedHitObjects)
-                            switch (nestedObject)
-                            {
-                                case TinyDroplet _:
-                                    AddJudgement(new CatchTinyDropletJudgement { Result = HitResult.Perfect });
-                                    break;
-                                case Droplet _:
-                                    AddJudgement(new CatchDropletJudgement { Result = HitResult.Perfect });
-                                    break;
-                                case Fruit _:
-                                    AddJudgement(new CatchJudgement { Result = HitResult.Perfect });
-                                    break;
-                            }
-                        break;
-                    case BananaShower shower:
-                        foreach (var _ in shower.NestedHitObjects.Cast<CatchHitObject>())
-                            AddJudgement(new CatchBananaJudgement { Result = HitResult.Perfect });
-                        break;
-                    case Fruit _:
-                        AddJudgement(new CatchJudgement { Result = HitResult.Perfect });
-                        break;
-                }
-            }
+            hpDrainRate = beatmap.BeatmapInfo.BaseDifficulty.DrainRate;
         }
 
         private const double harshness = 0.01;
 
-        protected override void OnNewJudgement(Judgement judgement)
+        protected override void ApplyResult(JudgementResult result)
         {
-            base.OnNewJudgement(judgement);
+            base.ApplyResult(result);
 
-            if (judgement.Result == HitResult.Miss)
+            if (result.Type == HitResult.Miss)
             {
-                if (!judgement.IsBonus)
+                if (!result.Judgement.IsBonus)
                     Health.Value -= hpDrainRate * (harshness * 2);
                 return;
             }
 
-            if (judgement is CatchJudgement catchJudgement)
-                Health.Value += Math.Max(catchJudgement.HealthIncrease - hpDrainRate, 0) * harshness;
+            if (result.Judgement is CatchJudgement catchJudgement)
+                Health.Value += Math.Max(catchJudgement.HealthIncreaseFor(result) - hpDrainRate, 0) * harshness;
         }
     }
 }

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;
@@ -57,7 +59,7 @@ namespace osu.Game.Rulesets.Catch.UI
 
         public override void Add(DrawableHitObject h)
         {
-            h.OnJudgement += onJudgement;
+            h.OnNewResult += onNewResult;
 
             base.Add(h);
 
@@ -65,6 +67,7 @@ namespace osu.Game.Rulesets.Catch.UI
             fruit.CheckPosition = CheckIfWeCanCatch;
         }
 
-        private void onJudgement(DrawableHitObject judgedObject, Judgement judgement) => catcherArea.OnJudgement((DrawableCatchHitObject)judgedObject, judgement);
+        private void onNewResult(DrawableHitObject judgedObject, JudgementResult result)
+            => catcherArea.OnResult((DrawableCatchHitObject)judgedObject, result);
     }
 }

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

@@ -48,10 +48,13 @@ namespace osu.Game.Rulesets.Catch.UI
 
         private DrawableCatchHitObject lastPlateableFruit;
 
-        public void OnJudgement(DrawableCatchHitObject fruit, Judgement judgement)
+        public void OnResult(DrawableCatchHitObject fruit, JudgementResult result)
         {
             void runAfterLoaded(Action action)
             {
+                if (lastPlateableFruit == null)
+                    return;
+
                 // this is required to make this run after the last caught fruit runs UpdateState at least once.
                 // TODO: find a better alternative
                 if (lastPlateableFruit.IsLoaded)
@@ -60,7 +63,7 @@ namespace osu.Game.Rulesets.Catch.UI
                     lastPlateableFruit.OnLoadComplete = _ => action();
             }
 
-            if (judgement.IsHit && fruit.CanBePlated)
+            if (result.IsHit && fruit.CanBePlated)
             {
                 var caughtFruit = (DrawableCatchHitObject)GetVisualRepresentation?.Invoke(fruit.HitObject);
 
@@ -83,7 +86,7 @@ namespace osu.Game.Rulesets.Catch.UI
 
             if (fruit.HitObject.LastInCombo)
             {
-                if (((CatchJudgement)judgement).ShouldExplode)
+                if (((CatchJudgement)result.Judgement).ShouldExplodeFor(result))
                     runAfterLoaded(() => MovableCatcher.Explode());
                 else
                     MovableCatcher.Drop();

osu.Game.Rulesets.Mania.Tests/.vscode/launch.json

@@ -2,35 +2,7 @@
     "version": "0.2.0",
     "configurations": [
         {
-            "name": "VisualTests (Debug, net471)",
-            "windows": {
-                "type": "clr"
-            },
-            "type": "mono",
-            "request": "launch",
-            "program": "${workspaceRoot}/bin/Debug/net471/osu.Game.Rulesets.Mania.Tests.exe",
-            "cwd": "${workspaceRoot}",
-            "preLaunchTask": "Build (Debug, msbuild)",
-            "runtimeExecutable": null,
-            "env": {},
-            "console": "internalConsole"
-        },
-        {
-            "name": "VisualTests (Release, net471)",
-            "windows": {
-                "type": "clr"
-            },
-            "type": "mono",
-            "request": "launch",
-            "program": "${workspaceRoot}/bin/Release/net471/osu.Game.Rulesets.Mania.Tests.exe",
-            "cwd": "${workspaceRoot}",
-            "preLaunchTask": "Build (Release, msbuild)",
-            "runtimeExecutable": null,
-            "env": {},
-            "console": "internalConsole"
-        },
-        {
-            "name": "VisualTests (Debug, netcoreapp2.1)",
+            "name": "VisualTests (Debug)",
             "type": "coreclr",
             "request": "launch",
             "program": "dotnet",
@@ -38,12 +10,12 @@
                 "${workspaceRoot}/bin/Debug/netcoreapp2.1/osu.Game.Rulesets.Mania.Tests.dll"
             ],
             "cwd": "${workspaceRoot}",
-            "preLaunchTask": "Build (Debug, dotnet)",
+            "preLaunchTask": "Build (Debug)",
             "env": {},
             "console": "internalConsole"
         },
         {
-            "name": "VisualTests (Release, netcoreapp2.1)",
+            "name": "VisualTests (Release)",
             "type": "coreclr",
             "request": "launch",
             "program": "dotnet",
@@ -51,7 +23,7 @@
                 "${workspaceRoot}/bin/Release/netcoreapp2.1/osu.Game.Rulesets.Mania.Tests.dll"
             ],
             "cwd": "${workspaceRoot}",
-            "preLaunchTask": "Build (Release, dotnet)",
+            "preLaunchTask": "Build (Release)",
             "env": {},
             "console": "internalConsole"
         }

osu.Game.Rulesets.Mania.Tests/.vscode/tasks.json

@@ -4,43 +4,13 @@
     "version": "2.0.0",
     "tasks": [
         {
-            "label": "Build (Debug, msbuild)",
-            "type": "shell",
-            "command": "msbuild",
-            "args": [
-                "osu.Game.Rulesets.Mania.Tests.csproj",
-                "/p:TargetFramework=net471",
-                "/p:GenerateFullPaths=true",
-                "/m",
-                "/verbosity:m"
-            ],
-            "group": "build",
-            "problemMatcher": "$msCompile"
-        },
-        {
-            "label": "Build (Release, msbuild)",
-            "type": "shell",
-            "command": "msbuild",
-            "args": [
-                "osu.Game.Rulesets.Mania.Tests.csproj",
-                "/p:Configuration=Release",
-                "/p:TargetFramework=net471",
-                "/p:GenerateFullPaths=true",
-                "/m",
-                "/verbosity:m"
-            ],
-            "group": "build",
-            "problemMatcher": "$msCompile"
-        },
-        {
-            "label": "Build (Debug, dotnet)",
+            "label": "Build (Debug)",
             "type": "shell",
             "command": "dotnet",
             "args": [
                 "build",
                 "--no-restore",
                 "osu.Game.Rulesets.Mania.Tests.csproj",
-                "/p:TargetFramework=netcoreapp2.1",
                 "/p:GenerateFullPaths=true",
                 "/m",
                 "/verbosity:m"
@@ -49,14 +19,13 @@
             "problemMatcher": "$msCompile"
         },
         {
-            "label": "Build (Release, dotnet)",
+            "label": "Build (Release)",
             "type": "shell",
             "command": "dotnet",
             "args": [
                 "build",
                 "--no-restore",
                 "osu.Game.Rulesets.Mania.Tests.csproj",
-                "/p:TargetFramework=netcoreapp2.1",
                 "/p:Configuration=Release",
                 "/p:GenerateFullPaths=true",
                 "/m",
@@ -66,16 +35,7 @@
             "problemMatcher": "$msCompile"
         },
         {
-            "label": "Restore (net471)",
-            "type": "shell",
-            "command": "nuget",
-            "args": [
-                "restore"
-            ],
-            "problemMatcher": []
-        },
-        {
-            "label": "Restore (netcoreapp2.1)",
+            "label": "Restore",
             "type": "shell",
             "command": "dotnet",
             "args": [

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

@@ -14,24 +14,20 @@ namespace osu.Game.Rulesets.Mania.Tests
     /// </summary>
     public class ScrollingTestContainer : Container
     {
-        private readonly ScrollingDirection direction;
+        [Cached(Type = typeof(IScrollingInfo))]
+        private readonly TestScrollingInfo scrollingInfo = new TestScrollingInfo();
 
         public ScrollingTestContainer(ScrollingDirection direction)
         {
-            this.direction = direction;
+            scrollingInfo.Direction.Value = direction;
         }
 
-        protected override IReadOnlyDependencyContainer CreateChildDependencies(IReadOnlyDependencyContainer parent)
-        {
-            var dependencies = new DependencyContainer(base.CreateChildDependencies(parent));
-            dependencies.CacheAs<IScrollingInfo>(new ScrollingInfo { Direction = { Value = direction }});
-            return dependencies;
-        }
+        public void Flip() => scrollingInfo.Direction.Value = scrollingInfo.Direction.Value == ScrollingDirection.Up ? ScrollingDirection.Down : ScrollingDirection.Up;
+    }
 
-        private class ScrollingInfo : IScrollingInfo
-        {
-            public readonly Bindable<ScrollingDirection> Direction = new Bindable<ScrollingDirection>();
-            IBindable<ScrollingDirection> IScrollingInfo.Direction => Direction;
-        }
+    public class TestScrollingInfo : IScrollingInfo
+    {
+        public readonly Bindable<ScrollingDirection> Direction = new Bindable<ScrollingDirection>();
+        IBindable<ScrollingDirection> IScrollingInfo.Direction => Direction;
     }
 }

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/TestCaseEditor.cs

@@ -0,0 +1,32 @@
+// Copyright (c) 2007-2018 ppy Pty Ltd <contact@ppy.sh>.
+// Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
+
+using NUnit.Framework;
+using osu.Framework.Allocation;
+using osu.Framework.Configuration;
+using osu.Game.Rulesets.Mania.Configuration;
+using osu.Game.Rulesets.Mania.UI;
+using osu.Game.Tests.Visual;
+
+namespace osu.Game.Rulesets.Mania.Tests
+{
+    [TestFixture]
+    public class TestCaseEditor : EditorTestCase
+    {
+        private readonly Bindable<ManiaScrollingDirection> direction = new Bindable<ManiaScrollingDirection>();
+
+        public TestCaseEditor()
+            : base(new ManiaRuleset())
+        {
+            AddStep("upwards scroll", () => direction.Value = ManiaScrollingDirection.Up);
+            AddStep("downwards scroll", () => direction.Value = ManiaScrollingDirection.Down);
+        }
+
+        [BackgroundDependencyLoader]
+        private void load(RulesetConfigCache configCache)
+        {
+            var config = (ManiaConfigManager)configCache.GetConfigFor(Ruleset.Value.CreateInstance());
+            config.BindWith(ManiaSetting.ScrollDirection, direction);
+        }
+    }
+}

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

@@ -46,15 +46,20 @@ namespace osu.Game.Rulesets.Mania.Tests
                 Spacing = new Vector2(20),
                 Children = new[]
                 {
-                    createNoteDisplay(ScrollingDirection.Down),
-                    createNoteDisplay(ScrollingDirection.Up),
-                    createHoldNoteDisplay(ScrollingDirection.Down),
-                    createHoldNoteDisplay(ScrollingDirection.Up),
+                    createNoteDisplay(ScrollingDirection.Down, 1, out var note1),
+                    createNoteDisplay(ScrollingDirection.Up, 2, out var note2),
+                    createHoldNoteDisplay(ScrollingDirection.Down, 1, out var holdNote1),
+                    createHoldNoteDisplay(ScrollingDirection.Up, 2, out var holdNote2),
                 }
             };
+
+            AddAssert("note 1 facing downwards", () => verifyAnchors(note1, Anchor.y2));
+            AddAssert("note 2 facing upwards", () => verifyAnchors(note2, Anchor.y0));
+            AddAssert("hold note 1 facing downwards", () => verifyAnchors(holdNote1, Anchor.y2));
+            AddAssert("hold note 2 facing upwards", () => verifyAnchors(holdNote2, Anchor.y0));
         }
 
-        private Drawable createNoteDisplay(ScrollingDirection direction)
+        private Drawable createNoteDisplay(ScrollingDirection direction, int identifier, out DrawableNote hitObject)
         {
             var note = new Note { StartTime = 999999999 };
             note.ApplyDefaults(new ControlPointInfo(), new BeatmapDifficulty());
@@ -62,24 +67,24 @@ namespace osu.Game.Rulesets.Mania.Tests
             return new ScrollingTestContainer(direction)
             {
                 AutoSizeAxes = Axes.Both,
-                Child = new NoteContainer(direction, $"note, scrolling {direction.ToString().ToLower()}")
+                Child = new NoteContainer(direction, $"note {identifier}, scrolling {direction.ToString().ToLowerInvariant()}")
                 {
-                    Child = new DrawableNote(note) { AccentColour = Color4.OrangeRed }
+                    Child = hitObject = new DrawableNote(note) { AccentColour = Color4.OrangeRed }
                 }
             };
         }
 
-        private Drawable createHoldNoteDisplay(ScrollingDirection direction)
+        private Drawable createHoldNoteDisplay(ScrollingDirection direction, int identifier, out DrawableHoldNote hitObject)
         {
-            var note = new HoldNote { StartTime = 999999999, Duration = 1000 };
+            var note = new HoldNote { StartTime = 999999999, Duration = 5000 };
             note.ApplyDefaults(new ControlPointInfo(), new BeatmapDifficulty());
 
             return new ScrollingTestContainer(direction)
             {
                 AutoSizeAxes = Axes.Both,
-                Child = new NoteContainer(direction, $"hold note, scrolling {direction.ToString().ToLower()}")
+                Child = new NoteContainer(direction, $"hold note {identifier}, scrolling {direction.ToString().ToLowerInvariant()}")
                 {
-                    Child = new DrawableHoldNote(note)
+                    Child = hitObject = new DrawableHoldNote(note)
                     {
                         RelativeSizeAxes = Axes.Both,
                         AccentColour = Color4.OrangeRed,
@@ -88,6 +93,12 @@ namespace osu.Game.Rulesets.Mania.Tests
             };
         }
 
+        private bool verifyAnchors(DrawableHitObject hitObject, Anchor expectedAnchor)
+            => hitObject.Anchor.HasFlag(expectedAnchor) && hitObject.Origin.HasFlag(expectedAnchor);
+
+        private bool verifyAnchors(DrawableHoldNote holdNote, Anchor expectedAnchor)
+            => verifyAnchors((DrawableHitObject)holdNote, expectedAnchor) && holdNote.NestedHitObjects.All(n => verifyAnchors(n, expectedAnchor));
+
         private class NoteContainer : Container
         {
             private readonly Container content;

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

@@ -2,6 +2,7 @@
 // Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
 
 using System.Collections.Generic;
+using System.Linq;
 using NUnit.Framework;
 using osu.Framework.Allocation;
 using osu.Framework.Graphics;
@@ -24,6 +25,8 @@ namespace osu.Game.Rulesets.Mania.Tests
 
         private readonly List<ManiaStage> stages = new List<ManiaStage>();
 
+        private FillFlowContainer<ScrollingTestContainer> fill;
+
         public TestCaseStage()
             : base(columns)
         {
@@ -32,7 +35,7 @@ namespace osu.Game.Rulesets.Mania.Tests
         [BackgroundDependencyLoader]
         private void load()
         {
-            Child = new FillFlowContainer
+            Child = fill = new FillFlowContainer<ScrollingTestContainer>
             {
                 RelativeSizeAxes = Axes.Both,
                 Anchor = Anchor.Centre,
@@ -54,8 +57,22 @@ namespace osu.Game.Rulesets.Mania.Tests
             AddStep("hold note", createHoldNote);
             AddStep("minor bar line", () => createBarLine(false));
             AddStep("major bar line", () => createBarLine(true));
+
+            AddAssert("check note anchors", () => notesInStageAreAnchored(stages[0], Anchor.TopCentre));
+            AddAssert("check note anchors", () => notesInStageAreAnchored(stages[1], Anchor.BottomCentre));
+
+            AddStep("flip direction", () =>
+            {
+                foreach (var c in fill.Children)
+                    c.Flip();
+            });
+
+            AddAssert("check note anchors", () => notesInStageAreAnchored(stages[0], Anchor.BottomCentre));
+            AddAssert("check note anchors", () => notesInStageAreAnchored(stages[1], Anchor.TopCentre));
         }
 
+        private bool notesInStageAreAnchored(ManiaStage stage, Anchor anchor) => stage.Columns.SelectMany(c => c.AllHitObjects).All(o => o.Anchor == anchor);
+
         private void createNote()
         {
             foreach (var stage in stages)
@@ -101,11 +118,11 @@ namespace osu.Game.Rulesets.Mania.Tests
             }
         }
 
-        private Drawable createStage(ScrollingDirection direction, ManiaAction action)
+        private ScrollingTestContainer createStage(ScrollingDirection direction, ManiaAction action)
         {
             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.Tests/osu.Game.Rulesets.Mania.Tests.csproj

@@ -1,8 +1,14 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <Import Project="..\osu.TestProject.props" />
+  <ItemGroup Label="Package References">
+    <PackageReference Include="Appveyor.TestLogger" Version="2.0.0" />
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="15.8.0" />
+    <PackageReference Include="NUnit" Version="3.10.1" />
+    <PackageReference Include="NUnit3TestAdapter" Version="3.10.0" />
+  </ItemGroup>
   <PropertyGroup Label="Project">
     <OutputType>WinExe</OutputType>
-    <TargetFrameworks>netcoreapp2.1;net471</TargetFrameworks>
+    <TargetFramework>netcoreapp2.1</TargetFramework>
   </PropertyGroup>
   <ItemGroup Label="Project References">
     <ProjectReference Include="..\osu.Game.Rulesets.Mania\osu.Game.Rulesets.Mania.csproj" />

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);
         }
@@ -176,16 +176,23 @@ namespace osu.Game.Rulesets.Mania.Beatmaps.Patterns.Legacy
             int nextColumn = Random.Next(RandomStart, TotalColumns);
             for (int i = 0; i < Math.Min(usableColumns, noteCount); i++)
             {
-                while (pattern.ColumnHasObject(nextColumn) || PreviousPattern.ColumnHasObject(nextColumn))  //find available column
+                // Find available column
+                RunWhile(() => pattern.ColumnHasObject(nextColumn) || PreviousPattern.ColumnHasObject(nextColumn), () =>
+                {
                     nextColumn = Random.Next(RandomStart, TotalColumns);
+                });
+
                 addToPattern(pattern, nextColumn, startTime, EndTime);
             }
 
             // This is can't be combined with the above loop due to RNG
             for (int i = 0; i < noteCount - usableColumns; i++)
             {
-                while (pattern.ColumnHasObject(nextColumn))
+                RunWhile(() => pattern.ColumnHasObject(nextColumn), () =>
+                {
                     nextColumn = Random.Next(RandomStart, TotalColumns);
+                });
+
                 addToPattern(pattern, nextColumn, startTime, EndTime);
             }
 
@@ -209,18 +216,23 @@ 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))
+                RunWhile(() => PreviousPattern.ColumnHasObject(nextColumn), () =>
+                {
                     nextColumn = Random.Next(RandomStart, TotalColumns);
+                });
             }
 
             int lastColumn = nextColumn;
             for (int i = 0; i < noteCount; i++)
             {
                 addToPattern(pattern, nextColumn, startTime, startTime);
-                while (nextColumn == lastColumn)
+
+                RunWhile(() => nextColumn == lastColumn, () =>
+                {
                     nextColumn = Random.Next(RandomStart, TotalColumns);
+                });
 
                 lastColumn = nextColumn;
                 startTime += SegmentDuration;
@@ -361,7 +373,7 @@ 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)
@@ -391,16 +403,20 @@ 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))
+                RunWhile(() => PreviousPattern.ColumnHasObject(nextColumn), () =>
+                {
                     nextColumn = Random.Next(RandomStart, TotalColumns);
+                });
             }
 
             for (int i = 0; i < columnRepeat; i++)
             {
-                while (pattern.ColumnHasObject(nextColumn))
+                RunWhile(() => pattern.ColumnHasObject(nextColumn), () =>
+                {
                     nextColumn = Random.Next(RandomStart, TotalColumns);
+                });
 
                 addToPattern(pattern, nextColumn, startTime, EndTime);
                 startTime += SegmentDuration;
@@ -425,10 +441,12 @@ 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))
+                RunWhile(() => PreviousPattern.ColumnHasObject(holdColumn), () =>
+                {
                     holdColumn = Random.Next(RandomStart, TotalColumns);
+                });
             }
 
             // Create the hold note
@@ -455,8 +473,11 @@ namespace osu.Game.Rulesets.Mania.Beatmaps.Patterns.Legacy
                 {
                     for (int j = 0; j < noteCount; j++)
                     {
-                        while (rowPattern.ColumnHasObject(nextColumn) || nextColumn == holdColumn)
+                        RunWhile(() => rowPattern.ColumnHasObject(nextColumn) || nextColumn == holdColumn, () =>
+                        {
                             nextColumn = Random.Next(RandomStart, TotalColumns);
+                        });
+
                         addToPattern(rowPattern, nextColumn, startTime, startTime);
                     }
                 }

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

@@ -33,15 +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;
         }
@@ -55,8 +59,10 @@ namespace osu.Game.Rulesets.Mania.Beatmaps.Patterns.Legacy
         {
             int nextColumn = Random.Next(start, TotalColumns);
 
-            while (PreviousPattern.ColumnHasObject(nextColumn))
+            RunWhile(() => PreviousPattern.ColumnHasObject(nextColumn), () =>
+            {
                 nextColumn = Random.Next(start, TotalColumns);
+            });
 
             return nextColumn;
         }

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);
@@ -233,9 +234,9 @@ namespace osu.Game.Rulesets.Mania.Beatmaps.Patterns.Legacy
             int nextColumn = GetColumn((HitObject as IHasXPosition)?.X ?? 0, true);
             for (int i = 0; i < noteCount; i++)
             {
-                while (pattern.ColumnHasObject(nextColumn) || PreviousPattern.ColumnHasObject(nextColumn) && !allowStacking)
+                RunWhile(() => pattern.ColumnHasObject(nextColumn) || PreviousPattern.ColumnHasObject(nextColumn) && !allowStacking, () =>
                 {
-                    if ((convertType & PatternType.Gathered) > 0)
+                    if (convertType.HasFlag(PatternType.Gathered))
                     {
                         nextColumn++;
                         if (nextColumn == TotalColumns)
@@ -243,7 +244,7 @@ namespace osu.Game.Rulesets.Mania.Beatmaps.Patterns.Legacy
                     }
                     else
                         nextColumn = Random.Next(RandomStart, TotalColumns);
-                }
+                });
 
                 addToPattern(pattern, nextColumn);
             }
@@ -294,8 +295,10 @@ namespace osu.Game.Rulesets.Mania.Beatmaps.Patterns.Legacy
             int nextColumn = Random.Next(RandomStart, columnLimit);
             for (int i = 0; i < noteCount; i++)
             {
-                while (pattern.ColumnHasObject(nextColumn))
+                RunWhile(() => pattern.ColumnHasObject(nextColumn), () =>
+                {
                     nextColumn = Random.Next(RandomStart, columnLimit);
+                });
 
                 // Add normal note
                 addToPattern(pattern, nextColumn);
@@ -367,7 +370,7 @@ 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/Beatmaps/Patterns/PatternGenerator.cs

@@ -3,6 +3,9 @@
 
 using System;
 using System.Collections.Generic;
+using System.Diagnostics;
+using JetBrains.Annotations;
+using osu.Framework.Logging;
 using osu.Game.Rulesets.Objects;
 
 namespace osu.Game.Rulesets.Mania.Beatmaps.Patterns
@@ -12,6 +15,12 @@ namespace osu.Game.Rulesets.Mania.Beatmaps.Patterns
     /// </summary>
     internal abstract class PatternGenerator
     {
+        /// <summary>
+        /// An arbitrary maximum amount of iterations to perform in <see cref="RunWhile"/>.
+        /// The specific value is not super important - enough such that no false-positives occur.
+        /// </summary>
+        private const int max_rng_iterations = 20;
+
         /// <summary>
         /// The last pattern.
         /// </summary>
@@ -42,10 +51,44 @@ namespace osu.Game.Rulesets.Mania.Beatmaps.Patterns
             TotalColumns = Beatmap.TotalColumns;
         }
 
+        protected void RunWhile([InstantHandle] Func<bool> condition, Action action)
+        {
+            int iterations = 0;
+
+            while (condition())
+            {
+                if (iterations++ >= max_rng_iterations)
+                {
+                    // log an error but don't throw. we want to continue execution.
+                    Logger.Error(new ExceededAllowedIterationsException(new StackTrace(0)),
+                        "Conversion encountered errors. The beatmap may not be correctly converted.");
+                    return;
+                }
+
+                action();
+            }
+        }
+
         /// <summary>
         /// Generates the patterns for <see cref="HitObject"/>, each filled with hit objects.
         /// </summary>
         /// <returns>The <see cref="Pattern"/>s containing the hit objects.</returns>
         public abstract IEnumerable<Pattern> Generate();
+
+        /// <summary>
+        /// Denotes when a single conversion operation is in an infinitely looping state.
+        /// </summary>
+        public class ExceededAllowedIterationsException : Exception
+        {
+            private readonly string stackTrace;
+
+            public ExceededAllowedIterationsException(StackTrace stackTrace)
+            {
+                this.stackTrace = stackTrace.ToString();
+            }
+
+            public override string StackTrace => stackTrace;
+            public override string ToString() => $"{GetType().Name}: {Message}\r\n{StackTrace}";
+        }
     }
 }

osu.Game.Rulesets.Mania/Edit/Layers/Selection/Overlays/HoldNoteMask.cs

@@ -0,0 +1,84 @@
+// 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.Configuration;
+using osu.Framework.Graphics;
+using osu.Game.Graphics;
+using osu.Game.Rulesets.Edit;
+using osu.Game.Rulesets.Mania.Objects.Drawables;
+using osu.Game.Rulesets.Mania.Objects.Drawables.Pieces;
+using osu.Game.Rulesets.Mania.UI;
+using osu.Game.Rulesets.UI.Scrolling;
+using OpenTK;
+using OpenTK.Graphics;
+
+namespace osu.Game.Rulesets.Mania.Edit.Layers.Selection.Overlays
+{
+    public class HoldNoteMask : HitObjectMask
+    {
+        public new DrawableHoldNote HitObject => (DrawableHoldNote)base.HitObject;
+
+        private readonly IBindable<ScrollingDirection> direction = new Bindable<ScrollingDirection>();
+
+        private readonly BodyPiece body;
+
+        public HoldNoteMask(DrawableHoldNote hold)
+            : base(hold)
+        {
+            InternalChildren = new Drawable[]
+            {
+                new HoldNoteNoteMask(hold.Head),
+                new HoldNoteNoteMask(hold.Tail),
+                body = new BodyPiece
+                {
+                    AccentColour = Color4.Transparent
+                },
+            };
+        }
+
+        [BackgroundDependencyLoader]
+        private void load(OsuColour colours, IScrollingInfo scrollingInfo)
+        {
+            body.BorderColour = colours.Yellow;
+
+            direction.BindTo(scrollingInfo.Direction);
+        }
+
+        protected override void Update()
+        {
+            base.Update();
+
+            Size = HitObject.DrawSize + new Vector2(0, HitObject.Tail.DrawHeight);
+            Position = Parent.ToLocalSpace(HitObject.ScreenSpaceDrawQuad.TopLeft);
+
+            // This is a side-effect of not matching the hitobject's anchors/origins, which is kinda hard to do
+            // When scrolling upwards our origin is already at the top of the head note (which is the intended location),
+            // but when scrolling downwards our origin is at the _bottom_ of the tail note (where we need to be at the _top_ of the tail note)
+            if (direction.Value == ScrollingDirection.Down)
+                Y -= HitObject.Tail.DrawHeight;
+        }
+
+        private class HoldNoteNoteMask : NoteMask
+        {
+            public HoldNoteNoteMask(DrawableNote note)
+                : base(note)
+            {
+                Select();
+            }
+
+            protected override void Update()
+            {
+                base.Update();
+
+                Anchor = HitObject.Anchor;
+                Origin = HitObject.Origin;
+
+                Position = HitObject.DrawPosition;
+            }
+
+            // Todo: This is temporary, since the note masks don't do anything special yet. In the future they will handle input.
+            public override bool HandleMouseInput => false;
+        }
+    }
+}

osu.Game.Rulesets.Mania/Edit/Layers/Selection/Overlays/NoteMask.cs

@@ -0,0 +1,39 @@
+// 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.Game.Graphics;
+using osu.Game.Rulesets.Edit;
+using osu.Game.Rulesets.Mania.Objects.Drawables;
+using osu.Game.Rulesets.Mania.Objects.Drawables.Pieces;
+
+namespace osu.Game.Rulesets.Mania.Edit.Layers.Selection.Overlays
+{
+    public class NoteMask : HitObjectMask
+    {
+        public NoteMask(DrawableNote note)
+            : base(note)
+        {
+            Scale = note.Scale;
+
+            CornerRadius = 5;
+            Masking = true;
+
+            AddInternal(new NotePiece());
+        }
+
+        [BackgroundDependencyLoader]
+        private void load(OsuColour colours)
+        {
+            Colour = colours.Yellow;
+        }
+
+        protected override void Update()
+        {
+            base.Update();
+
+            Size = HitObject.DrawSize;
+            Position = Parent.ToLocalSpace(HitObject.ScreenSpaceDrawQuad.TopLeft);
+        }
+    }
+}

osu.Game.Rulesets.Mania/Edit/ManiaEditPlayfield.cs

@@ -0,0 +1,17 @@
+// Copyright (c) 2007-2018 ppy Pty Ltd <contact@ppy.sh>.
+// Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
+
+using osu.Game.Rulesets.Mania.Beatmaps;
+using osu.Game.Rulesets.Mania.UI;
+using System.Collections.Generic;
+
+namespace osu.Game.Rulesets.Mania.Edit
+{
+    public class ManiaEditPlayfield : ManiaPlayfield
+    {
+        public ManiaEditPlayfield(List<StageDefinition> stages)
+            : base(stages)
+        {
+        }
+    }
+}

osu.Game.Rulesets.Mania/Edit/ManiaEditRulesetContainer.cs

@@ -0,0 +1,27 @@
+// 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.Graphics;
+using OpenTK;
+using osu.Game.Beatmaps;
+using osu.Game.Rulesets.Mania.UI;
+using osu.Game.Rulesets.UI;
+
+namespace osu.Game.Rulesets.Mania.Edit
+{
+    public class ManiaEditRulesetContainer : ManiaRulesetContainer
+    {
+        public ManiaEditRulesetContainer(Ruleset ruleset, WorkingBeatmap beatmap)
+            : base(ruleset, beatmap)
+        {
+        }
+
+        protected override Playfield CreatePlayfield() => new ManiaEditPlayfield(Beatmap.Stages)
+        {
+            Anchor = Anchor.Centre,
+            Origin = Anchor.Centre,
+        };
+
+        protected override Vector2 PlayfieldArea => Vector2.One;
+    }
+}

osu.Game.Rulesets.Mania/Edit/ManiaHitObjectComposer.cs

@@ -0,0 +1,56 @@
+// Copyright (c) 2007-2018 ppy Pty Ltd <contact@ppy.sh>.
+// Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
+
+using osu.Game.Beatmaps;
+using osu.Game.Rulesets.Edit;
+using osu.Game.Rulesets.Edit.Tools;
+using osu.Game.Rulesets.Mania.Edit.Layers.Selection.Overlays;
+using osu.Game.Rulesets.Mania.Objects;
+using osu.Game.Rulesets.Mania.Objects.Drawables;
+using osu.Game.Rulesets.Objects.Drawables;
+using osu.Game.Rulesets.UI;
+using System.Collections.Generic;
+using osu.Framework.Allocation;
+using osu.Game.Rulesets.Mania.Configuration;
+using osu.Game.Rulesets.Mania.UI;
+
+namespace osu.Game.Rulesets.Mania.Edit
+{
+    public class ManiaHitObjectComposer : HitObjectComposer
+    {
+        protected new ManiaConfigManager Config => (ManiaConfigManager)base.Config;
+
+        public ManiaHitObjectComposer(Ruleset ruleset)
+            : base(ruleset)
+        {
+        }
+
+        protected override IReadOnlyDependencyContainer CreateChildDependencies(IReadOnlyDependencyContainer parent)
+        {
+            var dependencies = new DependencyContainer(base.CreateChildDependencies(parent));
+            dependencies.CacheAs<IScrollingInfo>(new ManiaScrollingInfo(Config));
+            return dependencies;
+        }
+
+        protected override RulesetContainer CreateRulesetContainer(Ruleset ruleset, WorkingBeatmap beatmap) => new ManiaEditRulesetContainer(ruleset, beatmap);
+
+        protected override IReadOnlyList<ICompositionTool> CompositionTools => new ICompositionTool[]
+        {
+            new HitObjectCompositionTool<Note>("Note"),
+            new HitObjectCompositionTool<HoldNote>("Hold"),
+        };
+
+        public override HitObjectMask CreateMaskFor(DrawableHitObject hitObject)
+        {
+            switch (hitObject)
+            {
+                case DrawableNote note:
+                    return new NoteMask(note);
+                case DrawableHoldNote holdNote:
+                    return new HoldNoteMask(holdNote);
+            }
+
+            return base.CreateMaskFor(hitObject);
+        }
+    }
+}

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

@@ -1,27 +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.Scoring;
-
-namespace osu.Game.Rulesets.Mania.Judgements
-{
-    public class HoldNoteTailJudgement : ManiaJudgement
-    {
-        /// <summary>
-        /// Whether the hold note has been released too early and shouldn't give full score for the release.
-        /// </summary>
-        public bool HasBroken;
-
-        protected override int NumericResultFor(HitResult result)
-        {
-            switch (result)
-            {
-                default:
-                    return base.NumericResultFor(result);
-                case HitResult.Great:
-                case HitResult.Perfect:
-                    return base.NumericResultFor(HasBroken ? HitResult.Good : result);
-            }
-        }
-    }
-}

osu.Game.Rulesets.Mania/ManiaRuleset.cs

@@ -19,9 +19,11 @@ using osu.Game.Configuration;
 using osu.Game.Overlays.Settings;
 using osu.Game.Rulesets.Configuration;
 using osu.Game.Rulesets.Difficulty;
+using osu.Game.Rulesets.Edit;
 using osu.Game.Rulesets.Mania.Beatmaps;
 using osu.Game.Rulesets.Mania.Configuration;
 using osu.Game.Rulesets.Mania.Difficulty;
+using osu.Game.Rulesets.Mania.Edit;
 using osu.Game.Rulesets.Scoring;
 
 namespace osu.Game.Rulesets.Mania
@@ -32,6 +34,8 @@ namespace osu.Game.Rulesets.Mania
         public override IBeatmapConverter CreateBeatmapConverter(IBeatmap beatmap) => new ManiaBeatmapConverter(beatmap);
         public override PerformanceCalculator CreatePerformanceCalculator(WorkingBeatmap beatmap, Score score) => new ManiaPerformanceCalculator(this, beatmap, score);
 
+        public override HitObjectComposer CreateHitObjectComposer() => new ManiaHitObjectComposer(this);
+
         public override IEnumerable<Mod> ConvertLegacyMods(LegacyMods mods)
         {
             if (mods.HasFlag(LegacyMods.Nightcore))
@@ -120,7 +124,7 @@ namespace osu.Game.Rulesets.Mania
                         new MultiMod(new ManiaModFadeIn(), new ManiaModHidden()),
                         new ManiaModFlashlight(),
                     };
-                case ModType.Special:
+                case ModType.Conversion:
                     return new Mod[]
                     {
                         new MultiMod(new ManiaModKey4(),
@@ -135,6 +139,10 @@ namespace osu.Game.Rulesets.Mania
                         new ManiaModRandom(),
                         new ManiaModDualStages(),
                         new ManiaModMirror(),
+                    };
+                case ModType.Automation:
+                    return new Mod[]
+                    {
                         new MultiMod(new ManiaModAutoplay(), new ModCinema()),
                     };
                 default:

osu.Game.Rulesets.Mania/Mods/ManiaKeyMod.cs

@@ -13,6 +13,7 @@ namespace osu.Game.Rulesets.Mania.Mods
     {
         public override string ShortenedName => Name;
         public abstract int KeyCount { get; }
+        public override ModType Type => ModType.Conversion;
         public override double ScoreMultiplier => 1; // TODO: Implement the mania key mod score multiplier
         public override bool Ranked => true;
 

osu.Game.Rulesets.Mania/Mods/ManiaModDualStages.cs

@@ -16,6 +16,7 @@ namespace osu.Game.Rulesets.Mania.Mods
         public override string Name => "Dual Stages";
         public override string ShortenedName => "DS";
         public override string Description => @"Double the stages, double the fun!";
+        public override ModType Type => ModType.Conversion;
         public override double ScoreMultiplier => 1;
 
         private bool isForCurrentRuleset;

osu.Game.Rulesets.Mania/Mods/ManiaModMirror.cs

@@ -14,7 +14,7 @@ namespace osu.Game.Rulesets.Mania.Mods
     {
         public override string Name => "Mirror";
         public override string ShortenedName => "MR";
-        public override ModType Type => ModType.Special;
+        public override ModType Type => ModType.Conversion;
         public override double ScoreMultiplier => 1;
         public override bool Ranked => true;
 

osu.Game.Rulesets.Mania/Mods/ManiaModRandom.cs

@@ -16,6 +16,7 @@ namespace osu.Game.Rulesets.Mania.Mods
     {
         public override string Name => "Random";
         public override string ShortenedName => "RD";
+        public override ModType Type => ModType.Conversion;
         public override FontAwesome Icon => FontAwesome.fa_osu_dice;
         public override string Description => @"Shuffle around the keys!";
         public override double ScoreMultiplier => 1;

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

@@ -7,7 +7,6 @@ using osu.Framework.Graphics;
 using osu.Game.Rulesets.Mania.Objects.Drawables.Pieces;
 using OpenTK.Graphics;
 using osu.Framework.Graphics.Containers;
-using osu.Game.Rulesets.Mania.Judgements;
 using osu.Framework.Input.Bindings;
 using osu.Game.Rulesets.Scoring;
 using osu.Game.Rulesets.UI.Scrolling;
@@ -19,10 +18,10 @@ namespace osu.Game.Rulesets.Mania.Objects.Drawables
     /// </summary>
     public class DrawableHoldNote : DrawableManiaHitObject<HoldNote>, IKeyBindingHandler<ManiaAction>
     {
-        public override bool DisplayJudgement => false;
+        public override bool DisplayResult => false;
 
-        private readonly DrawableNote head;
-        private readonly DrawableNote tail;
+        public readonly DrawableNote Head;
+        public readonly DrawableNote Tail;
 
         private readonly BodyPiece bodyPiece;
 
@@ -57,12 +56,12 @@ namespace osu.Game.Rulesets.Mania.Objects.Drawables
                         HoldStartTime = () => holdStartTime
                     })
                 },
-                head = new DrawableHeadNote(this)
+                Head = new DrawableHeadNote(this)
                 {
                     Anchor = Anchor.TopCentre,
                     Origin = Anchor.TopCentre
                 },
-                tail = new DrawableTailNote(this)
+                Tail = new DrawableTailNote(this)
                 {
                     Anchor = Anchor.TopCentre,
                     Origin = Anchor.TopCentre
@@ -72,8 +71,8 @@ namespace osu.Game.Rulesets.Mania.Objects.Drawables
             foreach (var tick in tickContainer)
                 AddNested(tick);
 
-            AddNested(head);
-            AddNested(tail);
+            AddNested(Head);
+            AddNested(Tail);
         }
 
         protected override void OnDirectionChanged(ScrollingDirection direction)
@@ -91,16 +90,16 @@ namespace osu.Game.Rulesets.Mania.Objects.Drawables
                 base.AccentColour = value;
 
                 bodyPiece.AccentColour = value;
-                head.AccentColour = value;
-                tail.AccentColour = value;
+                Head.AccentColour = value;
+                Tail.AccentColour = value;
                 tickContainer.ForEach(t => t.AccentColour = value);
             }
         }
 
-        protected override void CheckForJudgements(bool userTriggered, double timeOffset)
+        protected override void CheckForResult(bool userTriggered, double timeOffset)
         {
-            if (tail.AllJudged)
-                AddJudgement(new HoldNoteJudgement { Result = HitResult.Perfect });
+            if (Tail.AllJudged)
+                ApplyResult(r => r.Type = HitResult.Perfect);
         }
 
         protected override void Update()
@@ -108,8 +107,8 @@ namespace osu.Game.Rulesets.Mania.Objects.Drawables
             base.Update();
 
             // Make the body piece not lie under the head note
-            bodyPiece.Y = (Direction.Value == ScrollingDirection.Up ? 1 : -1) * head.Height / 2;
-            bodyPiece.Height = DrawHeight - head.Height / 2 + tail.Height / 2;
+            bodyPiece.Y = (Direction.Value == ScrollingDirection.Up ? 1 : -1) * Head.Height / 2;
+            bodyPiece.Height = DrawHeight - Head.Height / 2 + Tail.Height / 2;
         }
 
         public bool OnPressed(ManiaAction action)
@@ -141,7 +140,7 @@ namespace osu.Game.Rulesets.Mania.Objects.Drawables
             holdStartTime = null;
 
             // If the key has been released too early, the user should not receive full score for the release
-            if (!tail.IsHit)
+            if (!Tail.IsHit)
                 hasBroken = true;
 
             return true;
@@ -166,7 +165,7 @@ namespace osu.Game.Rulesets.Mania.Objects.Drawables
                     return false;
 
                 // If the key has been released too early, the user should not receive full score for the release
-                if (Judgements.Any(j => j.Result == HitResult.Miss))
+                if (Result.Type == HitResult.Miss)
                     holdNote.hasBroken = true;
 
                 // The head note also handles early hits before the body, but we want accurate early hits to count as the body being held
@@ -197,7 +196,7 @@ namespace osu.Game.Rulesets.Mania.Objects.Drawables
                 this.holdNote = holdNote;
             }
 
-            protected override void CheckForJudgements(bool userTriggered, double timeOffset)
+            protected override void CheckForResult(bool userTriggered, double timeOffset)
             {
                 // Factor in the release lenience
                 timeOffset /= release_window_lenience;
@@ -205,13 +204,7 @@ namespace osu.Game.Rulesets.Mania.Objects.Drawables
                 if (!userTriggered)
                 {
                     if (!HitObject.HitWindows.CanBeHit(timeOffset))
-                    {
-                        AddJudgement(new HoldNoteTailJudgement
-                        {
-                            Result = HitResult.Miss,
-                            HasBroken = holdNote.hasBroken
-                        });
-                    }
+                        ApplyResult(r => r.Type = HitResult.Miss);
 
                     return;
                 }
@@ -220,10 +213,12 @@ namespace osu.Game.Rulesets.Mania.Objects.Drawables
                 if (result == HitResult.None)
                     return;
 
-                AddJudgement(new HoldNoteTailJudgement
+                ApplyResult(r =>
                 {
-                    Result = result,
-                    HasBroken = holdNote.hasBroken
+                    if (holdNote.hasBroken && (result == HitResult.Perfect || result == HitResult.Perfect))
+                        result = HitResult.Good;
+
+                    r.Type = result;
                 });
             }
 
@@ -238,7 +233,7 @@ namespace osu.Game.Rulesets.Mania.Objects.Drawables
                 if (action != Action.Value)
                     return false;
 
-                UpdateJudgement(true);
+                UpdateResult(true);
 
                 // Handled by the hold note, which will set holding = false
                 return false;

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

@@ -7,7 +7,6 @@ using OpenTK.Graphics;
 using osu.Framework.Extensions.Color4Extensions;
 using osu.Framework.Graphics;
 using osu.Framework.Graphics.Containers;
-using osu.Game.Rulesets.Mania.Judgements;
 using osu.Framework.Graphics.Shapes;
 using osu.Game.Rulesets.Scoring;
 
@@ -72,29 +71,17 @@ namespace osu.Game.Rulesets.Mania.Objects.Drawables
             }
         }
 
-        protected override void CheckForJudgements(bool userTriggered, double timeOffset)
+        protected override void CheckForResult(bool userTriggered, double timeOffset)
         {
-            if (!userTriggered)
-                return;
-
             if (Time.Current < HitObject.StartTime)
                 return;
 
-            if (HoldStartTime?.Invoke() > HitObject.StartTime)
-                return;
+            var startTime = HoldStartTime?.Invoke();
 
-            AddJudgement(new HoldNoteTickJudgement { Result = HitResult.Perfect });
-        }
-
-        protected override void Update()
-        {
-            if (AllJudged)
-                return;
-
-            if (HoldStartTime?.Invoke() == null)
-                return;
-
-            UpdateJudgement(true);
+            if (startTime == null || startTime > HitObject.StartTime)
+                ApplyResult(r => r.Type = HitResult.Miss);
+            else
+                ApplyResult(r => r.Type = HitResult.Perfect);
         }
     }
 }

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

@@ -6,7 +6,6 @@ using OpenTK.Graphics;
 using osu.Framework.Graphics;
 using osu.Framework.Graphics.Containers;
 using osu.Framework.Input.Bindings;
-using osu.Game.Rulesets.Mania.Judgements;
 using osu.Game.Rulesets.Mania.Objects.Drawables.Pieces;
 using osu.Game.Rulesets.Scoring;
 using osu.Game.Rulesets.UI.Scrolling;
@@ -56,12 +55,12 @@ namespace osu.Game.Rulesets.Mania.Objects.Drawables
             }
         }
 
-        protected override void CheckForJudgements(bool userTriggered, double timeOffset)
+        protected override void CheckForResult(bool userTriggered, double timeOffset)
         {
             if (!userTriggered)
             {
                 if (!HitObject.HitWindows.CanBeHit(timeOffset))
-                    AddJudgement(new ManiaJudgement { Result = HitResult.Miss });
+                    ApplyResult(r => r.Type = HitResult.Miss);
                 return;
             }
 
@@ -69,7 +68,7 @@ namespace osu.Game.Rulesets.Mania.Objects.Drawables
             if (result == HitResult.None)
                 return;
 
-            AddJudgement(new ManiaJudgement { Result = result });
+            ApplyResult(r => r.Type = result);
         }
 
         public virtual bool OnPressed(ManiaAction action)
@@ -77,7 +76,7 @@ namespace osu.Game.Rulesets.Mania.Objects.Drawables
             if (action != Action.Value)
                 return false;
 
-            return UpdateJudgement(true);
+            return UpdateResult(true);
         }
 
         public virtual bool OnReleased(ManiaAction action) => false;

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

@@ -3,6 +3,8 @@
 
 using osu.Game.Beatmaps;
 using osu.Game.Beatmaps.ControlPoints;
+using osu.Game.Rulesets.Judgements;
+using osu.Game.Rulesets.Mania.Judgements;
 using osu.Game.Rulesets.Objects.Types;
 
 namespace osu.Game.Rulesets.Mania.Objects
@@ -55,7 +57,7 @@ namespace osu.Game.Rulesets.Mania.Objects
         /// <summary>
         /// The tail note of the hold.
         /// </summary>
-        public readonly Note Tail = new Note();
+        public readonly TailNote Tail = new TailNote();
 
         /// <summary>
         /// The time between ticks of this hold.
@@ -68,9 +70,6 @@ namespace osu.Game.Rulesets.Mania.Objects
 
             TimingControlPoint timingPoint = controlPointInfo.TimingPointAt(StartTime);
             tickSpacing = timingPoint.BeatLength / difficulty.SliderTickRate;
-
-            Head.ApplyDefaults(controlPointInfo, difficulty);
-            Tail.ApplyDefaults(controlPointInfo, difficulty);
         }
 
         protected override void CreateNestedHitObjects()
@@ -78,6 +77,9 @@ namespace osu.Game.Rulesets.Mania.Objects
             base.CreateNestedHitObjects();
 
             createTicks();
+
+            AddNested(Head);
+            AddNested(Tail);
         }
 
         private void createTicks()
@@ -94,5 +96,7 @@ namespace osu.Game.Rulesets.Mania.Objects
                 });
             }
         }
+
+        public override Judgement CreateJudgement() => new HoldNoteJudgement();
     }
 }

osu.Game.Rulesets.Mania/Objects/HoldNoteTick.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.Judgements;
+using osu.Game.Rulesets.Mania.Judgements;
+
 namespace osu.Game.Rulesets.Mania.Objects
 {
     /// <summary>
@@ -8,5 +11,6 @@ namespace osu.Game.Rulesets.Mania.Objects
     /// </summary>
     public class HoldNoteTick : ManiaHitObject
     {
+        public override Judgement CreateJudgement() => new HoldNoteTickJudgement();
     }
 }

osu.Game.Rulesets.Mania/Objects/Note.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.Judgements;
+using osu.Game.Rulesets.Mania.Judgements;
+
 namespace osu.Game.Rulesets.Mania.Objects
 {
     /// <summary>
@@ -8,5 +11,6 @@ namespace osu.Game.Rulesets.Mania.Objects
     /// </summary>
     public class Note : ManiaHitObject
     {
+        public override Judgement CreateJudgement() => new ManiaJudgement();
     }
 }

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

@@ -0,0 +1,13 @@
+// Copyright (c) 2007-2018 ppy Pty Ltd <contact@ppy.sh>.
+// Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
+
+using osu.Game.Rulesets.Judgements;
+using osu.Game.Rulesets.Mania.Judgements;
+
+namespace osu.Game.Rulesets.Mania.Objects
+{
+    public class TailNote : Note
+    {
+        public override Judgement CreateJudgement() => new ManiaJudgement();
+    }
+}

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)
-                        actions.Add(columnActions[point.Column]);
-                    if (point is ReleasePoint)
-                        actions.Remove(columnActions[point.Column]);
+                    switch (point)
+                    {
+                        case HitPoint _:
+                            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/Scoring/ManiaScoreProcessor.cs

@@ -1,7 +1,6 @@
 // Copyright (c) 2007-2018 ppy Pty Ltd <contact@ppy.sh>.
 // Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
 
-using System.Linq;
 using osu.Game.Beatmaps;
 using osu.Game.Rulesets.Judgements;
 using osu.Game.Rulesets.Mania.Judgements;
@@ -97,31 +96,20 @@ namespace osu.Game.Rulesets.Mania.Scoring
         {
         }
 
-        protected override void SimulateAutoplay(Beatmap<ManiaHitObject> beatmap)
+        protected override void ApplyBeatmap(Beatmap<ManiaHitObject> beatmap)
         {
+            base.ApplyBeatmap(beatmap);
+
             BeatmapDifficulty difficulty = beatmap.BeatmapInfo.BaseDifficulty;
             hpMultiplier = BeatmapDifficulty.DifficultyRange(difficulty.DrainRate, hp_multiplier_min, hp_multiplier_mid, hp_multiplier_max);
             hpMissMultiplier = BeatmapDifficulty.DifficultyRange(difficulty.DrainRate, hp_multiplier_miss_min, hp_multiplier_miss_mid, hp_multiplier_miss_max);
+        }
 
+        protected override void SimulateAutoplay(Beatmap<ManiaHitObject> beatmap)
+        {
             while (true)
             {
-                foreach (var obj in beatmap.HitObjects)
-                {
-                    var holdNote = obj as HoldNote;
-
-                    if (holdNote != null)
-                    {
-                        // Head
-                        AddJudgement(new ManiaJudgement { Result = HitResult.Perfect });
-
-                        // Ticks
-                        int tickCount = holdNote.NestedHitObjects.OfType<HoldNoteTick>().Count();
-                        for (int i = 0; i < tickCount; i++)
-                            AddJudgement(new HoldNoteTickJudgement { Result = HitResult.Perfect });
-                    }
-
-                    AddJudgement(new ManiaJudgement { Result = HitResult.Perfect });
-                }
+                base.SimulateAutoplay(beatmap);
 
                 if (!HasFailed)
                     break;
@@ -133,20 +121,20 @@ namespace osu.Game.Rulesets.Mania.Scoring
             }
         }
 
-        protected override void OnNewJudgement(Judgement judgement)
+        protected override void ApplyResult(JudgementResult result)
         {
-            base.OnNewJudgement(judgement);
+            base.ApplyResult(result);
 
-            bool isTick = judgement is HoldNoteTickJudgement;
+            bool isTick = result.Judgement is HoldNoteTickJudgement;
 
             if (isTick)
             {
-                if (judgement.IsHit)
+                if (result.IsHit)
                     Health.Value += hpMultiplier * hp_increase_tick;
             }
             else
             {
-                switch (judgement.Result)
+                switch (result.Type)
                 {
                     case HitResult.Miss:
                         Health.Value += hpMissMultiplier * hp_increase_miss;

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)
-            : base(direction)
+        public Column()
         {
             RelativeSizeAxes = Axes.Y;
             Width = column_width;
@@ -132,14 +131,14 @@ namespace osu.Game.Rulesets.Mania.UI
         public override void Add(DrawableHitObject hitObject)
         {
             hitObject.AccentColour = AccentColour;
-            hitObject.OnJudgement += OnJudgement;
+            hitObject.OnNewResult += OnNewResult;
 
             HitObjects.Add(hitObject);
         }
 
-        internal void OnJudgement(DrawableHitObject judgedObject, Judgement judgement)
+        internal void OnNewResult(DrawableHitObject judgedObject, JudgementResult result)
         {
-            if (!judgement.IsHit || !judgedObject.DisplayJudgement)
+            if (!result.IsHit || !judgedObject.DisplayResult || !DisplayJudgements)
                 return;
 
             explosionContainer.Add(new HitExplosion(judgedObject)

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

@@ -8,10 +8,10 @@ using osu.Game.Rulesets.Objects.Drawables;
 
 namespace osu.Game.Rulesets.Mania.UI
 {
-    internal class DrawableManiaJudgement : DrawableJudgement
+    public class DrawableManiaJudgement : DrawableJudgement
     {
-        public DrawableManiaJudgement(Judgement judgement, DrawableHitObject judgedObject)
-            : base(judgement, judgedObject)
+        public DrawableManiaJudgement(JudgementResult result, DrawableHitObject judgedObject)
+            : base(result, judgedObject)
         {
         }
 
@@ -28,7 +28,7 @@ namespace osu.Game.Rulesets.Mania.UI
 
             this.FadeInFromZero(50, Easing.OutQuint);
 
-            if (Judgement.IsHit)
+            if (Result.IsHit)
             {
                 this.ScaleTo(0.8f);
                 this.ScaleTo(1, 250, Easing.OutElastic);

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

@@ -1,28 +1,23 @@
 // 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.Game.Rulesets.Mania.Objects;
 using osu.Framework.Graphics.Containers;
 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;
+using osu.Game.Rulesets.Mania.Objects;
+using osu.Game.Rulesets.Objects.Drawables;
 
 namespace osu.Game.Rulesets.Mania.UI
 {
     public class ManiaPlayfield : ManiaScrollingPlayfield
     {
-        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)
-            : base(direction)
+        public ManiaPlayfield(List<StageDefinition> stageDefinitions)
         {
             if (stageDefinitions == null)
                 throw new ArgumentNullException(nameof(stageDefinitions));
@@ -42,7 +37,7 @@ 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 +71,5 @@ 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

@@ -4,7 +4,6 @@
 using System.Collections.Generic;
 using System.Linq;
 using osu.Framework.Allocation;
-using osu.Framework.Configuration;
 using osu.Framework.Extensions.IEnumerableExtensions;
 using osu.Framework.Graphics;
 using osu.Framework.Input;
@@ -35,8 +34,7 @@ namespace osu.Game.Rulesets.Mania.UI
 
         public IEnumerable<BarLine> BarLines;
 
-        private readonly Bindable<ManiaScrollingDirection> configDirection = new Bindable<ManiaScrollingDirection>();
-        private ScrollingInfo scrollingInfo;
+        protected new ManiaConfigManager Config => (ManiaConfigManager)base.Config;
 
         public ManiaRulesetContainer(Ruleset ruleset, WorkingBeatmap beatmap)
             : base(ruleset, beatmap)
@@ -73,9 +71,6 @@ namespace osu.Game.Rulesets.Mania.UI
         private void load()
         {
             BarLines.ForEach(Playfield.Add);
-
-            ((ManiaConfigManager)Config).BindWith(ManiaSetting.ScrollDirection, configDirection);
-            configDirection.BindValueChanged(d => scrollingInfo.Direction.Value = (ScrollingDirection)d, true);
         }
 
         private DependencyContainer dependencies;
@@ -83,11 +78,14 @@ namespace osu.Game.Rulesets.Mania.UI
         protected override IReadOnlyDependencyContainer CreateChildDependencies(IReadOnlyDependencyContainer parent)
         {
             dependencies = new DependencyContainer(base.CreateChildDependencies(parent));
-            dependencies.CacheAs<IScrollingInfo>(scrollingInfo = new ScrollingInfo());
+
+            if (dependencies.Get<ManiaScrollingInfo>() == null)
+                dependencies.CacheAs<IScrollingInfo>(new ManiaScrollingInfo(Config));
+
             return dependencies;
         }
 
-        protected sealed override Playfield CreatePlayfield() => new ManiaPlayfield(scrollingInfo.Direction, Beatmap.Stages)
+        protected override Playfield CreatePlayfield() => new ManiaPlayfield(Beatmap.Stages)
         {
             Anchor = Anchor.Centre,
             Origin = Anchor.Centre,
@@ -115,11 +113,5 @@ namespace osu.Game.Rulesets.Mania.UI
         protected override Vector2 PlayfieldArea => new Vector2(1, 0.8f);
 
         protected override ReplayInputHandler CreateReplayInputHandler(Replay replay) => new ManiaFramedReplayInputHandler(replay);
-
-        private class ScrollingInfo : IScrollingInfo
-        {
-            public readonly Bindable<ScrollingDirection> Direction = new Bindable<ScrollingDirection>();
-            IBindable<ScrollingDirection> IScrollingInfo.Direction => Direction;
-        }
     }
 }

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

@@ -0,0 +1,23 @@
+// 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.Configuration;
+using osu.Game.Rulesets.Mania.Configuration;
+using osu.Game.Rulesets.UI.Scrolling;
+
+namespace osu.Game.Rulesets.Mania.UI
+{
+    public class ManiaScrollingInfo : IScrollingInfo
+    {
+        private readonly Bindable<ManiaScrollingDirection> configDirection = new Bindable<ManiaScrollingDirection>();
+
+        public readonly Bindable<ScrollingDirection> Direction = new Bindable<ScrollingDirection>();
+        IBindable<ScrollingDirection> IScrollingInfo.Direction => Direction;
+
+        public ManiaScrollingInfo(ManiaConfigManager config)
+        {
+            config.BindWith(ManiaSetting.ScrollDirection, configDirection);
+            configDirection.BindValueChanged(v => Direction.Value = (ScrollingDirection)v, true);
+        }
+    }
+}

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

@@ -23,7 +23,7 @@ namespace osu.Game.Rulesets.Mania.UI
     /// <summary>
     /// A collection of <see cref="Column"/>s.
     /// </summary>
-    internal class ManiaStage : ManiaScrollingPlayfield
+    public class ManiaStage : ManiaScrollingPlayfield
     {
         public const float HIT_TARGET_POSITION = 50;
 
@@ -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)
-            : base(direction)
+        public ManiaStage(int firstColumnIndex, StageDefinition definition, ref ManiaAction normalColumnStartAction, ref ManiaAction specialColumnStartAction)
         {
             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++ }
@@ -157,18 +156,18 @@ namespace osu.Game.Rulesets.Mania.UI
             var maniaObject = (ManiaHitObject)h.HitObject;
             int columnIndex = maniaObject.Column - firstColumnIndex;
             Columns.ElementAt(columnIndex).Add(h);
-            h.OnJudgement += OnJudgement;
+            h.OnNewResult += OnNewResult;
         }
 
         public void Add(BarLine barline) => base.Add(new DrawableBarLine(barline));
 
-        internal void OnJudgement(DrawableHitObject judgedObject, Judgement judgement)
+        internal void OnNewResult(DrawableHitObject judgedObject, JudgementResult result)
         {
-            if (!judgedObject.DisplayJudgement)
+            if (!judgedObject.DisplayResult || !DisplayJudgements)
                 return;
 
             judgements.Clear();
-            judgements.Add(new DrawableManiaJudgement(judgement, judgedObject)
+            judgements.Add(new DrawableManiaJudgement(result, judgedObject)
             {
                 Anchor = Anchor.Centre,
                 Origin = Anchor.Centre,

osu.Game.Rulesets.Osu.Tests/.vscode/launch.json

@@ -2,35 +2,7 @@
     "version": "0.2.0",
     "configurations": [
         {
-            "name": "VisualTests (Debug, net471)",
-            "windows": {
-                "type": "clr"
-            },
-            "type": "mono",
-            "request": "launch",
-            "program": "${workspaceRoot}/bin/Debug/net471/osu.Game.Rulesets.Osu.Tests.exe",
-            "cwd": "${workspaceRoot}",
-            "preLaunchTask": "Build (Debug, msbuild)",
-            "runtimeExecutable": null,
-            "env": {},
-            "console": "internalConsole"
-        },
-        {
-            "name": "VisualTests (Release, net471)",
-            "windows": {
-                "type": "clr"
-            },
-            "type": "mono",
-            "request": "launch",
-            "program": "${workspaceRoot}/bin/Release/net471/osu.Game.Rulesets.Osu.Tests.exe",
-            "cwd": "${workspaceRoot}",
-            "preLaunchTask": "Build (Release, msbuild)",
-            "runtimeExecutable": null,
-            "env": {},
-            "console": "internalConsole"
-        },
-        {
-            "name": "VisualTests (Debug, netcoreapp2.1)",
+            "name": "VisualTests (Debug)",
             "type": "coreclr",
             "request": "launch",
             "program": "dotnet",
@@ -38,12 +10,12 @@
                 "${workspaceRoot}/bin/Debug/netcoreapp2.1/osu.Game.Rulesets.Osu.Tests.dll"
             ],
             "cwd": "${workspaceRoot}",
-            "preLaunchTask": "Build (Debug, dotnet)",
+            "preLaunchTask": "Build (Debug)",
             "env": {},
             "console": "internalConsole"
         },
         {
-            "name": "VisualTests (Release, netcoreapp2.1)",
+            "name": "VisualTests (Release)",
             "type": "coreclr",
             "request": "launch",
             "program": "dotnet",
@@ -51,7 +23,7 @@
                 "${workspaceRoot}/bin/Release/netcoreapp2.1/osu.Game.Rulesets.Osu.Tests.dll"
             ],
             "cwd": "${workspaceRoot}",
-            "preLaunchTask": "Build (Release, dotnet)",
+            "preLaunchTask": "Build (Release)",
             "env": {},
             "console": "internalConsole"
         }

osu.Game.Rulesets.Osu.Tests/.vscode/tasks.json

@@ -4,43 +4,13 @@
     "version": "2.0.0",
     "tasks": [
         {
-            "label": "Build (Debug, msbuild)",
-            "type": "shell",
-            "command": "msbuild",
-            "args": [
-                "osu.Game.Rulesets.Osu.Tests.csproj",
-                "/p:TargetFramework=net471",
-                "/p:GenerateFullPaths=true",
-                "/m",
-                "/verbosity:m"
-            ],
-            "group": "build",
-            "problemMatcher": "$msCompile"
-        },
-        {
-            "label": "Build (Release, msbuild)",
-            "type": "shell",
-            "command": "msbuild",
-            "args": [
-                "osu.Game.Rulesets.Osu.Tests.csproj",
-                "/p:Configuration=Release",
-                "/p:TargetFramework=net471",
-                "/p:GenerateFullPaths=true",
-                "/m",
-                "/verbosity:m"
-            ],
-            "group": "build",
-            "problemMatcher": "$msCompile"
-        },
-        {
-            "label": "Build (Debug, dotnet)",
+            "label": "Build (Debug)",
             "type": "shell",
             "command": "dotnet",
             "args": [
                 "build",
                 "--no-restore",
                 "osu.Game.Rulesets.Osu.Tests.csproj",
-                "/p:TargetFramework=netcoreapp2.1",
                 "/p:GenerateFullPaths=true",
                 "/m",
                 "/verbosity:m"
@@ -49,14 +19,13 @@
             "problemMatcher": "$msCompile"
         },
         {
-            "label": "Build (Release, dotnet)",
+            "label": "Build (Release)",
             "type": "shell",
             "command": "dotnet",
             "args": [
                 "build",
                 "--no-restore",
                 "osu.Game.Rulesets.Osu.Tests.csproj",
-                "/p:TargetFramework=netcoreapp2.1",
                 "/p:Configuration=Release",
                 "/p:GenerateFullPaths=true",
                 "/m",
@@ -66,16 +35,7 @@
             "problemMatcher": "$msCompile"
         },
         {
-            "label": "Restore (net471)",
-            "type": "shell",
-            "command": "nuget",
-            "args": [
-                "restore"
-            ],
-            "problemMatcher": []
-        },
-        {
-            "label": "Restore (netcoreapp2.1)",
+            "label": "Restore",
             "type": "shell",
             "command": "dotnet",
             "args": [

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

@@ -5,12 +5,10 @@ using osu.Framework.Graphics;
 using osu.Framework.Graphics.Containers;
 using osu.Game.Beatmaps;
 using osu.Game.Beatmaps.ControlPoints;
-using osu.Game.Rulesets.Objects.Drawables;
 using osu.Game.Rulesets.Osu.Objects;
 using osu.Game.Rulesets.Osu.Objects.Drawables;
 using osu.Game.Tests.Visual;
 using OpenTK;
-using osu.Game.Rulesets.Osu.Judgements;
 using System.Collections.Generic;
 using System;
 using osu.Game.Rulesets.Mods;
@@ -96,19 +94,15 @@ namespace osu.Game.Rulesets.Osu.Tests
                 this.auto = auto;
             }
 
-            protected override void CheckForJudgements(bool userTriggered, double timeOffset)
+            protected override void CheckForResult(bool userTriggered, double timeOffset)
             {
                 if (auto && !userTriggered && timeOffset > 0)
                 {
                     // force success
-                    AddJudgement(new OsuJudgement
-                    {
-                        Result = HitResult.Great
-                    });
-                    State.Value = ArmedState.Hit;
+                    ApplyResult(r => r.Type = HitResult.Great);
                 }
                 else
-                    base.CheckForJudgements(userTriggered, timeOffset);
+                    base.CheckForResult(userTriggered, timeOffset);
             }
         }
     }

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

@@ -304,13 +304,13 @@ namespace osu.Game.Rulesets.Osu.Tests
             foreach (var mod in Mods.OfType<IApplicableToDrawableHitObjects>())
                 mod.ApplyToDrawableHitObjects(new[] { drawable });
 
-            drawable.OnJudgement += onJudgement;
+            drawable.OnNewResult += onNewResult;
 
             Add(drawable);
         }
 
         private float judgementOffsetDirection = 1;
-        private void onJudgement(DrawableHitObject judgedObject, Judgement judgement)
+        private void onNewResult(DrawableHitObject judgedObject, JudgementResult result)
         {
             var osuObject = judgedObject as DrawableOsuHitObject;
             if (osuObject == null)
@@ -321,8 +321,8 @@ namespace osu.Game.Rulesets.Osu.Tests
             {
                 Anchor = Anchor.Centre,
                 Origin = Anchor.Centre,
-                Text = judgement.IsHit ? "Hit!" : "Miss!",
-                Colour = judgement.IsHit ? Color4.Green : Color4.Red,
+                Text = result.IsHit ? "Hit!" : "Miss!",
+                Colour = result.IsHit ? Color4.Green : Color4.Red,
                 TextSize = 30,
                 Position = osuObject.HitObject.StackedEndPosition + judgementOffsetDirection * new Vector2(0, 45)
             });

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

@@ -72,7 +72,7 @@ namespace osu.Game.Rulesets.Osu.Tests
                 this.auto = auto;
             }
 
-            protected override void CheckForJudgements(bool userTriggered, double timeOffset)
+            protected override void CheckForResult(bool userTriggered, double timeOffset)
             {
                 if (auto && !userTriggered && Time.Current > Spinner.StartTime + Spinner.Duration / 2 && Progress < 1)
                 {
@@ -81,7 +81,7 @@ namespace osu.Game.Rulesets.Osu.Tests
                     auto = false;
                 }
 
-                base.CheckForJudgements(userTriggered, timeOffset);
+                base.CheckForResult(userTriggered, timeOffset);
             }
         }
     }

osu.Game.Rulesets.Osu.Tests/osu.Game.Rulesets.Osu.Tests.csproj

@@ -1,8 +1,14 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <Import Project="..\osu.TestProject.props" />
+  <ItemGroup Label="Package References">
+    <PackageReference Include="Appveyor.TestLogger" Version="2.0.0" />
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="15.8.0" />
+    <PackageReference Include="NUnit" Version="3.10.1" />
+    <PackageReference Include="NUnit3TestAdapter" Version="3.10.0" />
+  </ItemGroup>
   <PropertyGroup Label="Project">
     <OutputType>WinExe</OutputType>
-    <TargetFrameworks>netcoreapp2.1;net471</TargetFrameworks>
+    <TargetFramework>netcoreapp2.1</TargetFramework>
   </PropertyGroup>
   <ItemGroup Label="Project References">
     <ProjectReference Include="..\osu.Game.Rulesets.Osu\osu.Game.Rulesets.Osu.csproj" />

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

@@ -42,6 +42,7 @@ namespace osu.Game.Rulesets.Osu.Beatmaps
                     RepeatCount = curveData.RepeatCount,
                     Position = positionData?.Position ?? Vector2.Zero,
                     NewCombo = comboData?.NewCombo ?? false,
+                    ComboOffset = comboData?.ComboOffset ?? 0,
                     LegacyLastTickOffset = legacyOffset?.LegacyLastTickOffset
                 };
             }
@@ -52,7 +53,9 @@ namespace osu.Game.Rulesets.Osu.Beatmaps
                     StartTime = original.StartTime,
                     Samples = original.Samples,
                     EndTime = endTimeData.EndTime,
-                    Position = positionData?.Position ?? OsuPlayfield.BASE_SIZE / 2
+                    Position = positionData?.Position ?? OsuPlayfield.BASE_SIZE / 2,
+                    NewCombo = comboData?.NewCombo ?? false,
+                    ComboOffset = comboData?.ComboOffset ?? 0,
                 };
             }
             else
@@ -62,7 +65,8 @@ namespace osu.Game.Rulesets.Osu.Beatmaps
                     StartTime = original.StartTime,
                     Samples = original.Samples,
                     Position = positionData?.Position ?? Vector2.Zero,
-                    NewCombo = comboData?.NewCombo ?? false
+                    NewCombo = comboData?.NewCombo ?? false,
+                    ComboOffset = comboData?.ComboOffset ?? 0,
                 };
             }
         }

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/Judgements/ComboResult.cs

@@ -0,0 +1,17 @@
+// Copyright (c) 2007-2018 ppy Pty Ltd <contact@ppy.sh>.
+// Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
+
+using System.ComponentModel;
+
+namespace osu.Game.Rulesets.Osu.Judgements
+{
+    public enum ComboResult
+    {
+        [Description(@"")]
+        None,
+        [Description(@"Good")]
+        Good,
+        [Description(@"Amazing")]
+        Perfect
+    }
+}

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

@@ -2,7 +2,6 @@
 // Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
 
 using osu.Game.Rulesets.Judgements;
-using osu.Game.Rulesets.Osu.Objects.Drawables;
 using osu.Game.Rulesets.Scoring;
 
 namespace osu.Game.Rulesets.Osu.Judgements
@@ -25,7 +24,5 @@ namespace osu.Game.Rulesets.Osu.Judgements
                     return 300;
             }
         }
-
-        public ComboResult Combo;
     }
 }

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

@@ -0,0 +1,17 @@
+// Copyright (c) 2007-2018 ppy Pty Ltd <contact@ppy.sh>.
+// Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
+
+using osu.Game.Rulesets.Judgements;
+
+namespace osu.Game.Rulesets.Osu.Judgements
+{
+    public class OsuJudgementResult : JudgementResult
+    {
+        public ComboResult ComboType;
+
+        public OsuJudgementResult(Judgement judgement)
+            : base(judgement)
+        {
+        }
+    }
+}

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

@@ -12,6 +12,7 @@ namespace osu.Game.Rulesets.Osu.Mods
         public override string Name => "Autopilot";
         public override string ShortenedName => "AP";
         public override FontAwesome Icon => FontAwesome.fa_osu_mod_autopilot;
+        public override ModType Type => ModType.Automation;
         public override string Description => @"Automatic cursor movement - just follow the rhythm.";
         public override double ScoreMultiplier => 1;
         public override Type[] IncompatibleMods => new[] { typeof(OsuModSpunOut), typeof(ModRelax), typeof(ModSuddenDeath), typeof(ModNoFail), typeof(ModAutoplay) };

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

@@ -12,6 +12,7 @@ namespace osu.Game.Rulesets.Osu.Mods
         public override string Name => "Spun Out";
         public override string ShortenedName => "SO";
         public override FontAwesome Icon => FontAwesome.fa_osu_mod_spunout;
+        public override ModType Type => ModType.DifficultyReduction;
         public override string Description => @"Spinners will be automatically completed.";
         public override double ScoreMultiplier => 0.9;
         public override bool Ranked => true;

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

@@ -10,6 +10,7 @@ namespace osu.Game.Rulesets.Osu.Mods
     {
         public override string Name => "Target";
         public override string ShortenedName => "TP";
+        public override ModType Type => ModType.Conversion;
         public override FontAwesome Icon => FontAwesome.fa_osu_mod_target;
         public override string Description => @"Practice keeping up with the beat of the song.";
         public override double ScoreMultiplier => 1;

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

@@ -7,6 +7,7 @@ using osu.Framework.Extensions.Color4Extensions;
 using osu.Framework.Graphics;
 using osu.Framework.Graphics.Containers;
 using osu.Framework.Graphics.Shapes;
+using osu.Game.Skinning;
 
 namespace osu.Game.Rulesets.Osu.Objects.Drawables.Connections
 {
@@ -20,27 +21,26 @@ namespace osu.Game.Rulesets.Osu.Objects.Drawables.Connections
         {
             Origin = Anchor.Centre;
 
-            Masking = true;
-            AutoSizeAxes = Axes.Both;
-            CornerRadius = width / 2;
-            EdgeEffect = new EdgeEffectParameters
+            Child = new SkinnableDrawable("Play/osu/followpoint", _ => new Container
             {
-                Type = EdgeEffectType.Glow,
-                Colour = Color4.White.Opacity(0.2f),
-                Radius = 4,
-            };
-
-            Children = new Drawable[]
-            {
-                new Box
+                Masking = true,
+                AutoSizeAxes = Axes.Both,
+                CornerRadius = width / 2,
+                EdgeEffect = new EdgeEffectParameters
+                {
+                    Type = EdgeEffectType.Glow,
+                    Colour = Color4.White.Opacity(0.2f),
+                    Radius = 4,
+                },
+                Child = new Box
                 {
                     Size = new Vector2(width),
                     Blending = BlendingMode.Additive,
                     Origin = Anchor.Centre,
                     Anchor = Anchor.Centre,
                     Alpha = 0.5f,
-                },
-            };
+                }
+            }, restrictSize: false);
         }
     }
 }

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

@@ -73,7 +73,7 @@ namespace osu.Game.Rulesets.Osu.Objects.Drawables.Connections
 
                     Vector2 distanceVector = endPosition - startPosition;
                     int distance = (int)distanceVector.Length;
-                    float rotation = (float)Math.Atan2(distanceVector.Y, distanceVector.X);
+                    float rotation = (float)(Math.Atan2(distanceVector.Y, distanceVector.X) * (180 / Math.PI));
                     double duration = endTime - startTime;
 
                     for (int d = (int)(PointDistance * 1.5); d < distance - PointDistance; d += PointDistance)

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

@@ -6,7 +6,6 @@ using osu.Framework.Graphics;
 using osu.Game.Rulesets.Objects.Drawables;
 using osu.Game.Rulesets.Osu.Objects.Drawables.Pieces;
 using OpenTK;
-using osu.Game.Rulesets.Osu.Judgements;
 using osu.Game.Rulesets.Scoring;
 using OpenTK.Graphics;
 
@@ -40,7 +39,7 @@ namespace osu.Game.Rulesets.Osu.Objects.Drawables
                         if (AllJudged)
                             return false;
 
-                        UpdateJudgement(true);
+                        UpdateResult(true);
                         return true;
                     },
                 },
@@ -77,12 +76,13 @@ namespace osu.Game.Rulesets.Osu.Objects.Drawables
             }
         }
 
-        protected override void CheckForJudgements(bool userTriggered, double timeOffset)
+        protected override void CheckForResult(bool userTriggered, double timeOffset)
         {
             if (!userTriggered)
             {
                 if (!HitObject.HitWindows.CanBeHit(timeOffset))
-                    AddJudgement(new OsuJudgement { Result = HitResult.Miss });
+                    ApplyResult(r => r.Type = HitResult.Miss);
+
                 return;
             }
 
@@ -90,10 +90,7 @@ namespace osu.Game.Rulesets.Osu.Objects.Drawables
             if (result == HitResult.None)
                 return;
 
-            AddJudgement(new OsuJudgement
-            {
-                Result = result,
-            });
+            ApplyResult(r => r.Type = result);
         }
 
         protected override void UpdatePreemptState()

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

@@ -1,11 +1,13 @@
 // Copyright (c) 2007-2018 ppy Pty Ltd <contact@ppy.sh>.
 // Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
 
-using System.ComponentModel;
+using System;
 using osu.Game.Rulesets.Objects.Drawables;
 using osu.Framework.Graphics;
-using System.Linq;
+using osu.Game.Rulesets.Judgements;
 using osu.Game.Rulesets.Objects.Types;
+using osu.Game.Rulesets.Osu.Judgements;
+using osu.Game.Rulesets.Scoring;
 using osu.Game.Skinning;
 using OpenTK.Graphics;
 
@@ -32,7 +34,9 @@ namespace osu.Game.Rulesets.Osu.Objects.Drawables
             {
                 UpdatePreemptState();
 
-                using (BeginDelayedSequence(HitObject.TimePreempt + (Judgements.FirstOrDefault()?.TimeOffset ?? 0), true))
+                var judgementOffset = Math.Min(HitObject.HitWindows.HalfWindowFor(HitResult.Miss), Result?.TimeOffset ?? 0);
+
+                using (BeginDelayedSequence(HitObject.TimePreempt + judgementOffset, true))
                     UpdateCurrentState(state);
             }
         }
@@ -53,20 +57,17 @@ namespace osu.Game.Rulesets.Osu.Objects.Drawables
 
         // Todo: At some point we need to move these to DrawableHitObject after ensuring that all other Rulesets apply
         // transforms in the same way and don't rely on them not being cleared
-        public override void ClearTransformsAfter(double time, bool propagateChildren = false, string targetMember = null) { }
-        public override void ApplyTransformsAt(double time, bool propagateChildren = false) { }
+        public override void ClearTransformsAfter(double time, bool propagateChildren = false, string targetMember = null)
+        {
+        }
+
+        public override void ApplyTransformsAt(double time, bool propagateChildren = false)
+        {
+        }
 
         private OsuInputManager osuActionInputManager;
         internal OsuInputManager OsuActionInputManager => osuActionInputManager ?? (osuActionInputManager = GetContainingInputManager() as OsuInputManager);
-    }
 
-    public enum ComboResult
-    {
-        [Description(@"")]
-        None,
-        [Description(@"Good")]
-        Good,
-        [Description(@"Amazing")]
-        Perfect
+        protected override JudgementResult CreateResult(Judgement judgement) => new OsuJudgementResult(judgement);
     }
 }

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

@@ -11,14 +11,14 @@ namespace osu.Game.Rulesets.Osu.Objects.Drawables
 {
     public class DrawableOsuJudgement : DrawableJudgement
     {
-        public DrawableOsuJudgement(Judgement judgement, DrawableHitObject judgedObject)
-            : base(judgement, judgedObject)
+        public DrawableOsuJudgement(JudgementResult result, DrawableHitObject judgedObject)
+            : base(result, judgedObject)
         {
         }
 
         protected override void LoadComplete()
         {
-            if (Judgement.Result != HitResult.Miss)
+            if (Result.Type != HitResult.Miss)
                 JudgementText?.TransformSpacingTo(new Vector2(14, 0), 1800, Easing.OutQuint);
 
             base.LoadComplete();

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

@@ -8,8 +8,8 @@ using osu.Framework.MathUtils;
 using osu.Game.Rulesets.Objects.Drawables;
 using OpenTK;
 using osu.Game.Graphics;
-using osu.Game.Rulesets.Osu.Judgements;
 using osu.Game.Rulesets.Scoring;
+using osu.Game.Skinning;
 
 namespace osu.Game.Rulesets.Osu.Objects.Drawables
 {
@@ -33,18 +33,18 @@ namespace osu.Game.Rulesets.Osu.Objects.Drawables
 
             InternalChildren = new Drawable[]
             {
-                new SpriteIcon
+                new SkinnableDrawable("Play/osu/reversearrow", _ => new SpriteIcon
                 {
                     RelativeSizeAxes = Axes.Both,
                     Icon = FontAwesome.fa_chevron_right
-                }
+                }, restrictSize: false)
             };
         }
 
-        protected override void CheckForJudgements(bool userTriggered, double timeOffset)
+        protected override void CheckForResult(bool userTriggered, double timeOffset)
         {
             if (repeatPoint.StartTime <= Time.Current)
-                AddJudgement(new OsuJudgement { Result = drawableSlider.Tracking ? HitResult.Great : HitResult.Miss });
+                ApplyResult(r => r.Type = drawableSlider.Tracking ? HitResult.Great : HitResult.Miss);
         }
 
         protected override void UpdatePreemptState()
@@ -74,6 +74,8 @@ namespace osu.Game.Rulesets.Osu.Objects.Drawables
             }
         }
 
+        private bool hasRotation;
+
         public void UpdateSnakingPosition(Vector2 start, Vector2 end)
         {
             bool isRepeatAtEnd = repeatPoint.RepeatIndex % 2 == 0;
@@ -87,15 +89,33 @@ namespace osu.Game.Rulesets.Osu.Objects.Drawables
             int searchStart = isRepeatAtEnd ? curve.Count - 1 : 0;
             int direction = isRepeatAtEnd ? -1 : 1;
 
+            Vector2 aimRotationVector = Vector2.Zero;
+
             // find the next vector2 in the curve which is not equal to our current position to infer a rotation.
             for (int i = searchStart; i >= 0 && i < curve.Count; i += direction)
             {
                 if (Precision.AlmostEquals(curve[i], Position))
                     continue;
 
-                Rotation = MathHelper.RadiansToDegrees((float)Math.Atan2(curve[i].Y - Position.Y, curve[i].X - Position.X));
+                aimRotationVector = curve[i];
                 break;
             }
+
+
+            float aimRotation = MathHelper.RadiansToDegrees((float)Math.Atan2(aimRotationVector.Y - Position.Y, aimRotationVector.X - Position.X));
+            while (Math.Abs(aimRotation - Rotation) > 180)
+                aimRotation += aimRotation < Rotation ? 360 : -360;
+
+            if (!hasRotation)
+            {
+                Rotation = aimRotation;
+                hasRotation = true;
+            }
+            else
+            {
+                // If we're already snaking, interpolate to smooth out sharp curves (linear sliders, mainly).
+                Rotation = Interpolation.ValueAt(MathHelper.Clamp(Clock.ElapsedFrameTime, 0, 100), Rotation, aimRotation, 0, 50, Easing.OutQuint);
+            }
         }
     }
 }

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

@@ -9,7 +9,6 @@ using System.Collections.Generic;
 using System.Linq;
 using osu.Framework.Allocation;
 using osu.Framework.Graphics.Containers;
-using osu.Game.Rulesets.Osu.Judgements;
 using osu.Game.Configuration;
 using osu.Game.Rulesets.Scoring;
 using OpenTK.Graphics;
@@ -132,23 +131,27 @@ namespace osu.Game.Rulesets.Osu.Objects.Drawables
             }
         }
 
-        protected override void CheckForJudgements(bool userTriggered, double timeOffset)
+        protected override void CheckForResult(bool userTriggered, double timeOffset)
         {
-            if (!userTriggered && Time.Current >= slider.EndTime)
+            if (userTriggered || Time.Current < slider.EndTime)
+                return;
+
+            ApplyResult(r =>
             {
                 var judgementsCount = NestedHitObjects.Count();
                 var judgementsHit = NestedHitObjects.Count(h => h.IsHit);
 
                 var hitFraction = (double)judgementsHit / judgementsCount;
-                if (hitFraction == 1 && HeadCircle.Judgements.Any(j => j.Result == HitResult.Great))
-                    AddJudgement(new OsuJudgement { Result = HitResult.Great });
-                else if (hitFraction >= 0.5 && HeadCircle.Judgements.Any(j => j.Result >= HitResult.Good))
-                    AddJudgement(new OsuJudgement { Result = HitResult.Good });
+
+                if (hitFraction == 1 && HeadCircle.Result.Type == HitResult.Great)
+                    r.Type = HitResult.Great;
+                else if (hitFraction >= 0.5 && HeadCircle.Result.Type >= HitResult.Good)
+                    r.Type = HitResult.Good;
                 else if (hitFraction > 0)
-                    AddJudgement(new OsuJudgement { Result = HitResult.Meh });
+                    r.Type = HitResult.Meh;
                 else
-                    AddJudgement(new OsuJudgement { Result = HitResult.Miss });
-            }
+                    r.Type = HitResult.Miss;
+            });
         }
 
         protected override void UpdateCurrentState(ArmedState state)

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

@@ -2,7 +2,6 @@
 // Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
 
 using osu.Framework.Graphics;
-using osu.Game.Rulesets.Osu.Judgements;
 using osu.Game.Rulesets.Scoring;
 
 namespace osu.Game.Rulesets.Osu.Objects.Drawables
@@ -12,11 +11,11 @@ namespace osu.Game.Rulesets.Osu.Objects.Drawables
         /// <summary>
         /// The judgement text is provided by the <see cref="DrawableSlider"/>.
         /// </summary>
-        public override bool DisplayJudgement => false;
+        public override bool DisplayResult => false;
 
         public bool Tracking { get; set; }
 
-        public DrawableSliderTail(Slider slider, HitCircle hitCircle)
+        public DrawableSliderTail(Slider slider, SliderTailCircle hitCircle)
             : base(hitCircle)
         {
             Origin = Anchor.Centre;
@@ -29,10 +28,10 @@ namespace osu.Game.Rulesets.Osu.Objects.Drawables
             Position = HitObject.Position - slider.Position;
         }
 
-        protected override void CheckForJudgements(bool userTriggered, double timeOffset)
+        protected override void CheckForResult(bool userTriggered, double timeOffset)
         {
             if (!userTriggered && timeOffset >= 0)
-                AddJudgement(new OsuSliderTailJudgement { Result = Tracking ? HitResult.Great : HitResult.Miss });
+                ApplyResult(r => r.Type = Tracking ? HitResult.Great : HitResult.Miss);
         }
     }
 }

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

@@ -6,8 +6,9 @@ using osu.Game.Rulesets.Objects.Drawables;
 using OpenTK;
 using OpenTK.Graphics;
 using osu.Framework.Graphics.Shapes;
-using osu.Game.Rulesets.Osu.Judgements;
 using osu.Game.Rulesets.Scoring;
+using osu.Game.Skinning;
+using osu.Framework.Graphics.Containers;
 
 namespace osu.Game.Rulesets.Osu.Objects.Drawables
 {
@@ -17,35 +18,39 @@ namespace osu.Game.Rulesets.Osu.Objects.Drawables
 
         public bool Tracking { get; set; }
 
-        public override bool DisplayJudgement => false;
+        public override bool DisplayResult => false;
 
         public DrawableSliderTick(SliderTick sliderTick) : base(sliderTick)
         {
             Size = new Vector2(16) * sliderTick.Scale;
-
-            Masking = true;
-            CornerRadius = Size.X / 2;
-
             Origin = Anchor.Centre;
 
-            BorderThickness = 2;
-            BorderColour = Color4.White;
-
             InternalChildren = new Drawable[]
             {
-                new Box
+                new SkinnableDrawable("Play/osu/sliderscorepoint", _ => new Container
                 {
+                    Masking = true,
                     RelativeSizeAxes = Axes.Both,
-                    Colour = AccentColour,
-                    Alpha = 0.3f,
-                }
+                    Origin = Anchor.Centre,
+                    CornerRadius = Size.X / 2,
+
+                    BorderThickness = 2,
+                    BorderColour = Color4.White,
+
+                    Child = new Box
+                    {
+                        RelativeSizeAxes = Axes.Both,
+                        Colour = AccentColour,
+                        Alpha = 0.3f,
+                    }
+                }, restrictSize: false)
             };
         }
 
-        protected override void CheckForJudgements(bool userTriggered, double timeOffset)
+        protected override void CheckForResult(bool userTriggered, double timeOffset)
         {
             if (timeOffset >= 0)
-                AddJudgement(new OsuJudgement { Result = Tracking ? HitResult.Great : HitResult.Miss });
+                ApplyResult(r => r.Type = Tracking ? HitResult.Great : HitResult.Miss);
         }
 
         protected override void UpdatePreemptState()

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

@@ -11,7 +11,6 @@ using OpenTK.Graphics;
 using osu.Game.Graphics;
 using osu.Framework.Extensions.Color4Extensions;
 using osu.Framework.Allocation;
-using osu.Game.Rulesets.Osu.Judgements;
 using osu.Game.Screens.Ranking;
 using osu.Game.Rulesets.Scoring;
 
@@ -117,7 +116,7 @@ namespace osu.Game.Rulesets.Osu.Objects.Drawables
 
         public float Progress => MathHelper.Clamp(Disc.RotationAbsolute / 360 / Spinner.SpinsRequired, 0, 1);
 
-        protected override void CheckForJudgements(bool userTriggered, double timeOffset)
+        protected override void CheckForResult(bool userTriggered, double timeOffset)
         {
             if (Time.Current < HitObject.StartTime) return;
 
@@ -136,17 +135,20 @@ namespace osu.Game.Rulesets.Osu.Objects.Drawables
                 glow.FadeColour(completeColour, duration);
             }
 
-            if (!userTriggered && Time.Current >= Spinner.EndTime)
+            if (userTriggered || Time.Current < Spinner.EndTime)
+                return;
+
+            ApplyResult(r =>
             {
                 if (Progress >= 1)
-                    AddJudgement(new OsuJudgement { Result = HitResult.Great });
+                    r.Type = HitResult.Great;
                 else if (Progress > .9)
-                    AddJudgement(new OsuJudgement { Result = HitResult.Good });
+                    r.Type = HitResult.Good;
                 else if (Progress > .75)
-                    AddJudgement(new OsuJudgement { Result = HitResult.Meh });
+                    r.Type = HitResult.Meh;
                 else if (Time.Current >= Spinner.EndTime)
-                    AddJudgement(new OsuJudgement { Result = HitResult.Miss });
-            }
+                    r.Type = HitResult.Miss;
+            });
         }
 
         [BackgroundDependencyLoader]

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

@@ -5,10 +5,12 @@ 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;
+using osu.Game.Skinning;
 
 namespace osu.Game.Rulesets.Osu.Objects.Drawables.Pieces
 {
@@ -17,6 +19,7 @@ namespace osu.Game.Rulesets.Osu.Objects.Drawables.Pieces
         private const float width = 128;
 
         private Color4 accentColour = Color4.Black;
+
         /// <summary>
         /// The colour that is used for the slider ball.
         /// </summary>
@@ -26,14 +29,14 @@ namespace osu.Game.Rulesets.Osu.Objects.Drawables.Pieces
             set
             {
                 accentColour = value;
-                if (ball != null)
-                    ball.Colour = value;
+                if (drawableBall != null)
+                    drawableBall.Colour = value;
             }
         }
 
         private readonly Slider slider;
-        public readonly Box FollowCircle;
-        private readonly Box ball;
+        public readonly Drawable FollowCircle;
+        private Drawable drawableBall;
 
         public SliderBall(Slider slider)
         {
@@ -42,19 +45,30 @@ namespace osu.Game.Rulesets.Osu.Objects.Drawables.Pieces
             AutoSizeAxes = Axes.Both;
             Blending = BlendingMode.Additive;
             Origin = Anchor.Centre;
-            BorderThickness = 10;
-            BorderColour = Color4.Orange;
 
-            Children = new Drawable[]
+            Children = new[]
             {
-                FollowCircle = new Box
+                FollowCircle = new Container
                 {
                     Origin = Anchor.Centre,
                     Anchor = Anchor.Centre,
-                    Colour = Color4.Orange,
                     Width = width,
                     Height = width,
                     Alpha = 0,
+                    Child = new SkinnableDrawable("Play/osu/sliderfollowcircle", _ => new CircularContainer
+                    {
+                        RelativeSizeAxes = Axes.Both,
+                        Masking = true,
+                        BorderThickness = 5,
+                        BorderColour = Color4.Orange,
+                        Blending = BlendingMode.Additive,
+                        Child = new Box
+                        {
+                            Colour = Color4.Orange,
+                            RelativeSizeAxes = Axes.Both,
+                            Alpha = 0.2f,
+                        }
+                    }),
                 },
                 new CircularContainer
                 {
@@ -62,18 +76,26 @@ namespace osu.Game.Rulesets.Osu.Objects.Drawables.Pieces
                     AutoSizeAxes = Axes.Both,
                     Origin = Anchor.Centre,
                     Anchor = Anchor.Centre,
-                    BorderThickness = 10,
-                    BorderColour = Color4.White,
                     Alpha = 1,
-                    Children = new[]
+                    Child = new Container
                     {
-                        ball = new Box
+                        Width = width,
+                        Height = width,
+                        // TODO: support skin filename animation (sliderb0, sliderb1...)
+                        Child = new SkinnableDrawable("Play/osu/sliderb", _ => new CircularContainer
                         {
-                            Colour = AccentColour,
-                            Alpha = 0.4f,
-                            Width = width,
-                            Height = width,
-                        },
+                            Masking = true,
+                            RelativeSizeAxes = Axes.Both,
+                            BorderThickness = 10,
+                            BorderColour = Color4.White,
+                            Alpha = 1,
+                            Child = drawableBall = new Box
+                            {
+                                Colour = AccentColour,
+                                RelativeSizeAxes = Axes.Both,
+                                Alpha = 0.4f,
+                            }
+                        }),
                     }
                 }
             };
@@ -110,6 +132,7 @@ namespace osu.Game.Rulesets.Osu.Objects.Drawables.Pieces
         }
 
         private bool tracking;
+
         public bool Tracking
         {
             get { return tracking; }
@@ -119,8 +142,8 @@ namespace osu.Game.Rulesets.Osu.Objects.Drawables.Pieces
                     return;
                 tracking = value;
 
-                FollowCircle.ScaleTo(tracking ? 2.8f : 1, 300, Easing.OutQuint);
-                FollowCircle.FadeTo(tracking ? 0.2f : 0, 300, Easing.OutQuint);
+                FollowCircle.ScaleTo(tracking ? 2f : 1, 300, Easing.OutQuint);
+                FollowCircle.FadeTo(tracking ? 1f : 0, 300, Easing.OutQuint);
             }
         }
 

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/HitCircle.cs

@@ -1,9 +1,13 @@
 // Copyright (c) 2007-2018 ppy Pty Ltd <contact@ppy.sh>.
 // Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
 
+using osu.Game.Rulesets.Judgements;
+using osu.Game.Rulesets.Osu.Judgements;
+
 namespace osu.Game.Rulesets.Osu.Objects
 {
     public class HitCircle : OsuHitObject
     {
+        public override Judgement CreateJudgement() => new OsuJudgement();
     }
 }