Merge remote-tracking branch 'upstream/master' into visible-playfield-boundary

.editorconfig

@@ -192,3 +192,6 @@ dotnet_diagnostic.IDE0052.severity = silent
 dotnet_diagnostic.IDE0067.severity = none
 dotnet_diagnostic.IDE0068.severity = none
 dotnet_diagnostic.IDE0069.severity = none
+
+#Disable operator overloads requiring alternate named methods
+dotnet_diagnostic.CA2225.severity = none

Directory.Build.props

@@ -16,7 +16,7 @@
     <EmbeddedResource Include="Resources\**\*.*" />
   </ItemGroup>
   <ItemGroup Label="Code Analysis">
-    <PackageReference Include="Microsoft.CodeAnalysis.BannedApiAnalyzers" Version="3.0.0" PrivateAssets="All" />
+    <PackageReference Include="Microsoft.CodeAnalysis.BannedApiAnalyzers" Version="3.3.0" PrivateAssets="All" />
     <AdditionalFiles Include="$(MSBuildThisFileDirectory)CodeAnalysis\BannedSymbols.txt" />
     <PackageReference Include="Microsoft.CodeAnalysis.FxCopAnalyzers" Version="3.0.0" PrivateAssets="All" />
   </ItemGroup>

Gemfile.lock

@@ -6,35 +6,36 @@ GEM
       public_suffix (>= 2.0.2, < 5.0)
     atomos (0.1.3)
     aws-eventstream (1.1.0)
-    aws-partitions (1.329.0)
+    aws-partitions (1.354.0)
-    aws-sdk-core (3.99.2)
+    aws-sdk-core (3.104.3)
       aws-eventstream (~> 1, >= 1.0.2)
       aws-partitions (~> 1, >= 1.239.0)
       aws-sigv4 (~> 1.1)
       jmespath (~> 1.0)
-    aws-sdk-kms (1.34.1)
+    aws-sdk-kms (1.36.0)
       aws-sdk-core (~> 3, >= 3.99.0)
       aws-sigv4 (~> 1.1)
-    aws-sdk-s3 (1.68.1)
+    aws-sdk-s3 (1.78.0)
-      aws-sdk-core (~> 3, >= 3.99.0)
+      aws-sdk-core (~> 3, >= 3.104.3)
       aws-sdk-kms (~> 1)
       aws-sigv4 (~> 1.1)
-    aws-sigv4 (1.1.4)
+    aws-sigv4 (1.2.1)
-      aws-eventstream (~> 1.0, >= 1.0.2)
+      aws-eventstream (~> 1, >= 1.0.2)
     babosa (1.0.3)
     claide (1.0.3)
     colored (1.2)
     colored2 (3.1.2)
     commander-fastlane (4.4.6)
       highline (~> 1.7.2)
-    declarative (0.0.10)
+    declarative (0.0.20)
     declarative-option (0.1.0)
-    digest-crc (0.5.1)
+    digest-crc (0.6.1)
+      rake (~> 13.0)
     domain_name (0.5.20190701)
       unf (>= 0.0.5, < 1.0.0)
-    dotenv (2.7.5)
+    dotenv (2.7.6)
-    emoji_regex (1.0.1)
+    emoji_regex (3.0.0)
-    excon (0.74.0)
+    excon (0.76.0)
     faraday (1.0.1)
       multipart-post (>= 1.2, < 3)
     faraday-cookie_jar (0.0.6)
@@ -42,34 +43,32 @@ GEM
       http-cookie (~> 1.0.0)
     faraday_middleware (1.0.0)
       faraday (~> 1.0)
-    fastimage (2.1.7)
+    fastimage (2.2.0)
-    fastlane (2.149.1)
+    fastlane (2.156.0)
       CFPropertyList (>= 2.3, < 4.0.0)
       addressable (>= 2.3, < 3.0.0)
       aws-sdk-s3 (~> 1.0)
-      babosa (>= 1.0.2, < 2.0.0)
+      babosa (>= 1.0.3, < 2.0.0)
       bundler (>= 1.12.0, < 3.0.0)
       colored
       commander-fastlane (>= 4.4.6, < 5.0.0)
       dotenv (>= 2.1.1, < 3.0.0)
-      emoji_regex (>= 0.1, < 2.0)
+      emoji_regex (>= 0.1, < 4.0)
       excon (>= 0.71.0, < 1.0.0)
-      faraday (>= 0.17, < 2.0)
+      faraday (~> 1.0)
       faraday-cookie_jar (~> 0.0.6)
-      faraday_middleware (>= 0.13.1, < 2.0)
+      faraday_middleware (~> 1.0)
       fastimage (>= 2.1.0, < 3.0.0)
       gh_inspector (>= 1.1.2, < 2.0.0)
       google-api-client (>= 0.37.0, < 0.39.0)
       google-cloud-storage (>= 1.15.0, < 2.0.0)
       highline (>= 1.7.2, < 2.0.0)
       json (< 3.0.0)
-      jwt (~> 2.1.0)
+      jwt (>= 2.1.0, < 3)
       mini_magick (>= 4.9.4, < 5.0.0)
-      multi_xml (~> 0.5)
       multipart-post (~> 2.0.0)
       plist (>= 3.1.0, < 4.0.0)
-      public_suffix (~> 2.0.0)
+      rubyzip (>= 2.0.0, < 3.0.0)
-      rubyzip (>= 1.3.0, < 2.0.0)
       security (= 0.1.3)
       simctl (~> 1.6.3)
       slack-notifier (>= 2.0.0, < 3.0.0)
@@ -97,17 +96,17 @@ GEM
     google-cloud-core (1.5.0)
       google-cloud-env (~> 1.0)
       google-cloud-errors (~> 1.0)
-    google-cloud-env (1.3.2)
+    google-cloud-env (1.3.3)
       faraday (>= 0.17.3, < 2.0)
     google-cloud-errors (1.0.1)
-    google-cloud-storage (1.26.2)
+    google-cloud-storage (1.27.0)
       addressable (~> 2.5)
       digest-crc (~> 0.4)
       google-api-client (~> 0.33)
       google-cloud-core (~> 1.2)
       googleauth (~> 0.9)
       mini_mime (~> 1.0)
-    googleauth (0.12.0)
+    googleauth (0.13.1)
       faraday (>= 0.17.3, < 2.0)
       jwt (>= 1.4, < 3.0)
       memoist (~> 0.16)
@@ -119,29 +118,29 @@ GEM
       domain_name (~> 0.5)
     httpclient (2.8.3)
     jmespath (1.4.0)
-    json (2.3.0)
+    json (2.3.1)
-    jwt (2.1.0)
+    jwt (2.2.1)
     memoist (0.16.2)
     mini_magick (4.10.1)
     mini_mime (1.0.2)
     mini_portile2 (2.4.0)
-    multi_json (1.14.1)
+    multi_json (1.15.0)
-    multi_xml (0.6.0)
     multipart-post (2.0.0)
-    nanaimo (0.2.6)
+    nanaimo (0.3.0)
     naturally (2.2.0)
-    nokogiri (1.10.7)
+    nokogiri (1.10.10)
       mini_portile2 (~> 2.4.0)
-    os (1.1.0)
+    os (1.1.1)
     plist (3.5.0)
-    public_suffix (2.0.5)
+    public_suffix (4.0.5)
+    rake (13.0.1)
     representable (3.0.4)
       declarative (< 0.1.0)
       declarative-option (< 0.2.0)
       uber (< 0.2.0)
     retriable (3.1.2)
     rouge (2.0.7)
-    rubyzip (1.3.0)
+    rubyzip (2.3.0)
     security (0.1.3)
     signet (0.14.0)
       addressable (~> 2.3)
@@ -160,7 +159,7 @@ GEM
     terminal-table (1.8.0)
       unicode-display_width (~> 1.1, >= 1.1.1)
     tty-cursor (0.7.1)
-    tty-screen (0.8.0)
+    tty-screen (0.8.1)
     tty-spinner (0.9.3)
       tty-cursor (~> 0.7)
     uber (0.1.0)
@@ -169,12 +168,12 @@ GEM
     unf_ext (0.0.7.7)
     unicode-display_width (1.7.0)
     word_wrap (1.0.0)
-    xcodeproj (1.16.0)
+    xcodeproj (1.18.0)
       CFPropertyList (>= 2.3.3, < 4.0)
       atomos (~> 0.1.3)
       claide (>= 1.0.2, < 2.0)
       colored2 (~> 3.1)
-      nanaimo (~> 0.2.6)
+      nanaimo (~> 0.3.0)
     xcpretty (0.3.0)
       rouge (~> 2.0.7)
     xcpretty-travis-formatter (1.0.0)

README.md

@@ -9,7 +9,9 @@
 [![CodeFactor](https://www.codefactor.io/repository/github/ppy/osu/badge)](https://www.codefactor.io/repository/github/ppy/osu)
 [![dev chat](https://discordapp.com/api/guilds/188630481301012481/widget.png?style=shield)](https://discord.gg/ppy)
 
-Rhythm is just a *click* away. The future of [osu!](https://osu.ppy.sh) and the beginning of an open era! Commonly known by the codename *osu!lazer*. Pew pew.
+A free-to-win rhythm game. Rhythm is just a *click* away!
+
+The future of [osu!](https://osu.ppy.sh) and the beginning of an open era! Commonly known by the codename *osu!lazer*. Pew pew.
 
 ## Status
 

fastlane/Fastfile

@@ -113,7 +113,7 @@ platform :ios do
 
     souyuz(
       platform: "ios",
-      plist_path: "../osu.iOS/Info.plist"
+      plist_path: "osu.iOS/Info.plist"
     )
   end
 
@@ -127,7 +127,7 @@ platform :ios do
   end
 
   lane :update_version do |options|
-    options[:plist_path] = '../osu.iOS/Info.plist'
+    options[:plist_path] = 'osu.iOS/Info.plist'
     app_version(options)
   end
 

global.json

@@ -5,6 +5,6 @@
     "version": "3.1.100"
   },
   "msbuild-sdks": {
-    "Microsoft.Build.Traversal": "2.0.50"
+    "Microsoft.Build.Traversal": "2.1.1"
   }
 }

osu.Android.props

@@ -51,7 +51,7 @@
     <Reference Include="Java.Interop" />
   </ItemGroup>
   <ItemGroup>
-    <PackageReference Include="ppy.osu.Game.Resources" Version="2020.622.1" />
+    <PackageReference Include="ppy.osu.Game.Resources" Version="2020.904.0" />
-    <PackageReference Include="ppy.osu.Framework.Android" Version="2020.709.0" />
+    <PackageReference Include="ppy.osu.Framework.Android" Version="2020.904.0" />
   </ItemGroup>
 </Project>

osu.Desktop/OsuGameDesktop.cs

@@ -16,6 +16,7 @@ using osu.Framework.Logging;
 using osu.Framework.Screens;
 using osu.Game.Screens.Menu;
 using osu.Game.Updater;
+using osu.Desktop.Windows;
 
 namespace osu.Desktop
 {
@@ -98,6 +99,9 @@ namespace osu.Desktop
                 LoadComponentAsync(versionManager = new VersionManager { Depth = int.MinValue }, Add);
 
             LoadComponentAsync(new DiscordRichPresence(), Add);
+
+            if (RuntimeInfo.OS == RuntimeInfo.Platform.Windows)
+                LoadComponentAsync(new GameplayWinKeyBlocker(), Add);
         }
 
         protected override void ScreenChanged(IScreen lastScreen, IScreen newScreen)

osu.Desktop/Windows/GameplayWinKeyBlocker.cs

@@ -0,0 +1,41 @@
+// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
+// See the LICENCE file in the repository root for full licence text.
+
+using osu.Framework.Allocation;
+using osu.Framework.Bindables;
+using osu.Framework.Graphics;
+using osu.Framework.Platform;
+using osu.Game.Configuration;
+
+namespace osu.Desktop.Windows
+{
+    public class GameplayWinKeyBlocker : Component
+    {
+        private Bindable<bool> allowScreenSuspension;
+        private Bindable<bool> disableWinKey;
+
+        private GameHost host;
+
+        [BackgroundDependencyLoader]
+        private void load(GameHost host, OsuConfigManager config)
+        {
+            this.host = host;
+
+            allowScreenSuspension = host.AllowScreenSuspension.GetBoundCopy();
+            allowScreenSuspension.BindValueChanged(_ => updateBlocking());
+
+            disableWinKey = config.GetBindable<bool>(OsuSetting.GameplayDisableWinKey);
+            disableWinKey.BindValueChanged(_ => updateBlocking(), true);
+        }
+
+        private void updateBlocking()
+        {
+            bool shouldDisable = disableWinKey.Value && !allowScreenSuspension.Value;
+
+            if (shouldDisable)
+                host.InputThread.Scheduler.Add(WindowsKey.Disable);
+            else
+                host.InputThread.Scheduler.Add(WindowsKey.Enable);
+        }
+    }
+}

osu.Desktop/Windows/WindowsKey.cs

@@ -0,0 +1,80 @@
+// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
+// See the LICENCE file in the repository root for full licence text.
+
+using System;
+using System.Runtime.InteropServices;
+
+namespace osu.Desktop.Windows
+{
+    internal class WindowsKey
+    {
+        private delegate int LowLevelKeyboardProcDelegate(int nCode, int wParam, ref KdDllHookStruct lParam);
+
+        private static bool isBlocked;
+
+        private const int wh_keyboard_ll = 13;
+        private const int wm_keydown = 256;
+        private const int wm_syskeyup = 261;
+
+        //Resharper disable once NotAccessedField.Local
+        private static LowLevelKeyboardProcDelegate keyboardHookDelegate; // keeping a reference alive for the GC
+        private static IntPtr keyHook;
+
+        [StructLayout(LayoutKind.Explicit)]
+        private readonly struct KdDllHookStruct
+        {
+            [FieldOffset(0)]
+            public readonly int VkCode;
+
+            [FieldOffset(8)]
+            public readonly int Flags;
+        }
+
+        private static int lowLevelKeyboardProc(int nCode, int wParam, ref KdDllHookStruct lParam)
+        {
+            if (wParam >= wm_keydown && wParam <= wm_syskeyup)
+            {
+                switch (lParam.VkCode)
+                {
+                    case 0x5B: // left windows key
+                    case 0x5C: // right windows key
+                        return 1;
+                }
+            }
+
+            return callNextHookEx(0, nCode, wParam, ref lParam);
+        }
+
+        internal static void Disable()
+        {
+            if (keyHook != IntPtr.Zero || isBlocked)
+                return;
+
+            keyHook = setWindowsHookEx(wh_keyboard_ll, (keyboardHookDelegate = lowLevelKeyboardProc), Marshal.GetHINSTANCE(System.Reflection.Assembly.GetExecutingAssembly().GetModules()[0]), 0);
+
+            isBlocked = true;
+        }
+
+        internal static void Enable()
+        {
+            if (keyHook == IntPtr.Zero || !isBlocked)
+                return;
+
+            keyHook = unhookWindowsHookEx(keyHook);
+            keyboardHookDelegate = null;
+
+            keyHook = IntPtr.Zero;
+
+            isBlocked = false;
+        }
+
+        [DllImport(@"user32.dll", EntryPoint = @"SetWindowsHookExA")]
+        private static extern IntPtr setWindowsHookEx(int idHook, LowLevelKeyboardProcDelegate lpfn, IntPtr hMod, int dwThreadId);
+
+        [DllImport(@"user32.dll", EntryPoint = @"UnhookWindowsHookEx")]
+        private static extern IntPtr unhookWindowsHookEx(IntPtr hHook);
+
+        [DllImport(@"user32.dll", EntryPoint = @"CallNextHookEx")]
+        private static extern int callNextHookEx(int hHook, int nCode, int wParam, ref KdDllHookStruct lParam);
+    }
+}

osu.Desktop/osu.Desktop.csproj

@@ -3,7 +3,7 @@
     <TargetFramework>netcoreapp3.1</TargetFramework>
     <OutputType>WinExe</OutputType>
     <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
-    <Description>click the circles. to the beat.</Description>
+    <Description>A free-to-win rhythm game. Rhythm is just a *click* away!</Description>
     <AssemblyName>osu!</AssemblyName>
     <Title>osu!lazer</Title>
     <Product>osu!lazer</Product>

osu.Desktop/osu.nuspec

@@ -9,8 +9,7 @@
         <projectUrl>https://osu.ppy.sh/</projectUrl>
         <iconUrl>https://puu.sh/tYyXZ/9a01a5d1b0.ico</iconUrl>
         <requireLicenseAcceptance>false</requireLicenseAcceptance>
-        <description>click the circles. to the beat.</description>
+        <description>A free-to-win rhythm game. Rhythm is just a *click* away!</description>
-        <summary>click the circles.</summary>
         <releaseNotes>testing</releaseNotes>
         <copyright>Copyright (c) 2020 ppy Pty Ltd</copyright>
         <language>en-AU</language>

osu.Game.Benchmarks/osu.Game.Benchmarks.csproj

@@ -9,7 +9,7 @@
   <ItemGroup>
     <PackageReference Include="BenchmarkDotNet" Version="0.12.1" />
     <PackageReference Include="nunit" Version="3.12.0" />
-    <PackageReference Include="NUnit3TestAdapter" Version="3.15.1" />
+    <PackageReference Include="NUnit3TestAdapter" Version="3.17.0" />
   </ItemGroup>
 
   <ItemGroup>

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

@@ -25,6 +25,7 @@ namespace osu.Game.Rulesets.Catch.Tests
         [TestCase("hardrock-stream", new[] { typeof(CatchModHardRock) })]
         [TestCase("hardrock-repeat-slider", new[] { typeof(CatchModHardRock) })]
         [TestCase("hardrock-spinner", new[] { typeof(CatchModHardRock) })]
+        [TestCase("right-bound-hr-offset", new[] { typeof(CatchModHardRock) })]
         public new void Test(string name, params Type[] mods) => base.Test(name, mods);
 
         protected override IEnumerable<ConvertValue> CreateConvertValue(HitObject hitObject)

osu.Game.Rulesets.Catch.Tests/Mods/TestSceneCatchModPerfect.cs

@@ -50,7 +50,7 @@ namespace osu.Game.Rulesets.Catch.Tests.Mods
         public void TestDroplet(bool shouldMiss) => CreateHitObjectTest(new HitObjectTestData(new Droplet { StartTime = 1000 }), shouldMiss);
 
         // We only care about testing misses, hits are tested via JuiceStream
-        [TestCase(true)]
+        [TestCase(false)]
         public void TestTinyDroplet(bool shouldMiss) => CreateHitObjectTest(new HitObjectTestData(new TinyDroplet { StartTime = 1000 }), shouldMiss);
     }
 }

osu.Game.Rulesets.Catch.Tests/Mods/TestSceneCatchModRelax.cs

@@ -0,0 +1,84 @@
+// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
+// See the LICENCE file in the repository root for full licence text.
+
+using System.Collections.Generic;
+using System.Linq;
+using NUnit.Framework;
+using osu.Framework.Testing;
+using osu.Game.Beatmaps;
+using osu.Game.Rulesets.Catch.Mods;
+using osu.Game.Rulesets.Catch.Objects;
+using osu.Game.Rulesets.Catch.UI;
+using osu.Game.Rulesets.Objects;
+using osu.Game.Rulesets.Objects.Types;
+using osu.Game.Tests.Visual;
+using osuTK;
+
+namespace osu.Game.Rulesets.Catch.Tests.Mods
+{
+    public class TestSceneCatchModRelax : ModTestScene
+    {
+        protected override Ruleset CreatePlayerRuleset() => new CatchRuleset();
+
+        [Test]
+        public void TestModRelax() => CreateModTest(new ModTestData
+        {
+            Mod = new CatchModRelax(),
+            Autoplay = false,
+            PassCondition = passCondition,
+            Beatmap = new Beatmap
+            {
+                HitObjects = new List<HitObject>
+                {
+                    new Fruit
+                    {
+                        X = CatchPlayfield.CENTER_X,
+                        StartTime = 0
+                    },
+                    new Fruit
+                    {
+                        X = 0,
+                        StartTime = 250
+                    },
+                    new Fruit
+                    {
+                        X = CatchPlayfield.WIDTH,
+                        StartTime = 500
+                    },
+                    new JuiceStream
+                    {
+                        X = CatchPlayfield.CENTER_X,
+                        StartTime = 750,
+                        Path = new SliderPath(PathType.Linear, new[] { Vector2.Zero, Vector2.UnitY * 200 })
+                    }
+                }
+            }
+        });
+
+        private bool passCondition()
+        {
+            var playfield = this.ChildrenOfType<CatchPlayfield>().Single();
+
+            switch (Player.ScoreProcessor.Combo.Value)
+            {
+                case 0:
+                    InputManager.MoveMouseTo(playfield.ScreenSpaceDrawQuad.Centre);
+                    break;
+
+                case 1:
+                    InputManager.MoveMouseTo(playfield.ScreenSpaceDrawQuad.BottomLeft);
+                    break;
+
+                case 2:
+                    InputManager.MoveMouseTo(playfield.ScreenSpaceDrawQuad.BottomRight);
+                    break;
+
+                case 3:
+                    InputManager.MoveMouseTo(playfield.ScreenSpaceDrawQuad.Centre);
+                    break;
+            }
+
+            return Player.ScoreProcessor.Combo.Value >= 6;
+        }
+    }
+}

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

@@ -1,7 +1,9 @@
 // Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
 // See the LICENCE file in the repository root for full licence text.
 
+using System.Collections.Generic;
 using System.Linq;
+using osu.Game.Audio;
 using osu.Game.Beatmaps;
 using osu.Game.Rulesets.Catch.Objects;
 using osu.Game.Rulesets.Catch.UI;
@@ -38,7 +40,11 @@ namespace osu.Game.Rulesets.Catch.Tests
                         new Vector2(width, 0)
                     }),
                     StartTime = i * 2000,
-                    NewCombo = i % 8 == 0
+                    NewCombo = i % 8 == 0,
+                    Samples = new List<HitSampleInfo>(new[]
+                    {
+                        new HitSampleInfo { Bank = "normal", Name = "hitnormal", Volume = 100 }
+                    })
                 });
             }
 

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

@@ -0,0 +1,56 @@
+// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
+// See the LICENCE file in the repository root for full licence text.
+
+using System.Collections.Generic;
+using System.Linq;
+using NUnit.Framework;
+using osu.Framework.Allocation;
+using osu.Framework.Testing;
+using osu.Game.Beatmaps;
+using osu.Game.Configuration;
+using osu.Game.Rulesets.Catch.Mods;
+using osu.Game.Rulesets.Catch.Objects;
+using osu.Game.Rulesets.Catch.Objects.Drawables;
+using osu.Game.Rulesets.Catch.UI;
+using osu.Game.Rulesets.Objects;
+using osu.Game.Rulesets.Objects.Types;
+using osu.Game.Tests.Visual;
+using osuTK;
+
+namespace osu.Game.Rulesets.Catch.Tests
+{
+    public class TestSceneCatchModHidden : ModTestScene
+    {
+        [BackgroundDependencyLoader]
+        private void load()
+        {
+            LocalConfig.Set(OsuSetting.IncreaseFirstObjectVisibility, false);
+        }
+
+        [Test]
+        public void TestJuiceStream()
+        {
+            CreateModTest(new ModTestData
+            {
+                Beatmap = new Beatmap
+                {
+                    HitObjects = new List<HitObject>
+                    {
+                        new JuiceStream
+                        {
+                            StartTime = 1000,
+                            Path = new SliderPath(PathType.Linear, new[] { Vector2.Zero, new Vector2(0, -192) }),
+                            X = CatchPlayfield.WIDTH / 2
+                        }
+                    }
+                },
+                Mod = new CatchModHidden(),
+                PassCondition = () => Player.Results.Count > 0
+                                      && Player.ChildrenOfType<DrawableJuiceStream>().Single().Alpha > 0
+                                      && Player.ChildrenOfType<DrawableFruit>().Last().Alpha > 0
+            });
+        }
+
+        protected override Ruleset CreatePlayerRuleset() => new CatchRuleset();
+    }
+}

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

@@ -9,6 +9,7 @@ using osu.Framework.Graphics;
 using osu.Framework.Testing;
 using osu.Game.Beatmaps;
 using osu.Game.Beatmaps.ControlPoints;
+using osu.Game.Configuration;
 using osu.Game.Rulesets.Catch.Beatmaps;
 using osu.Game.Rulesets.Catch.Judgements;
 using osu.Game.Rulesets.Catch.Objects;
@@ -25,6 +26,11 @@ namespace osu.Game.Rulesets.Catch.Tests
     {
         private RulesetInfo catchRuleset;
 
+        [Resolved]
+        private OsuConfigManager config { get; set; }
+
+        private Catcher catcher => this.ChildrenOfType<CatcherArea>().First().MovableCatcher;
+
         public TestSceneCatcherArea()
         {
             AddSliderStep<float>("CircleSize", 0, 8, 5, createCatcher);
@@ -34,24 +40,43 @@ namespace osu.Game.Rulesets.Catch.Tests
 
             AddRepeatStep("catch fruit", () => catchFruit(new TestFruit(false)
             {
-                X = this.ChildrenOfType<CatcherArea>().First().MovableCatcher.X
+                X = catcher.X
             }), 20);
             AddRepeatStep("catch fruit last in combo", () => catchFruit(new TestFruit(false)
             {
-                X = this.ChildrenOfType<CatcherArea>().First().MovableCatcher.X,
+                X = catcher.X,
                 LastInCombo = true,
             }), 20);
             AddRepeatStep("catch kiai fruit", () => catchFruit(new TestFruit(true)
             {
-                X = this.ChildrenOfType<CatcherArea>().First().MovableCatcher.X,
+                X = catcher.X
             }), 20);
             AddRepeatStep("miss fruit", () => catchFruit(new Fruit
             {
-                X = this.ChildrenOfType<CatcherArea>().First().MovableCatcher.X + 100,
+                X = catcher.X + 100,
                 LastInCombo = true,
             }, true), 20);
         }
 
+        [TestCase(true)]
+        [TestCase(false)]
+        public void TestHitLighting(bool enable)
+        {
+            AddStep("create catcher", () => createCatcher(5));
+
+            AddStep("toggle hit lighting", () => config.Set(OsuSetting.HitLighting, enable));
+            AddStep("catch fruit", () => catchFruit(new TestFruit(false)
+            {
+                X = catcher.X
+            }));
+            AddStep("catch fruit last in combo", () => catchFruit(new TestFruit(false)
+            {
+                X = catcher.X,
+                LastInCombo = true
+            }));
+            AddAssert("check hit explosion", () => catcher.ChildrenOfType<HitExplosion>().Any() == enable);
+        }
+
         private void catchFruit(Fruit fruit, bool miss = false)
         {
             this.ChildrenOfType<CatcherArea>().ForEach(area =>

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

@@ -20,19 +20,19 @@ namespace osu.Game.Rulesets.Catch.Tests
             foreach (FruitVisualRepresentation rep in Enum.GetValues(typeof(FruitVisualRepresentation)))
                 AddStep($"show {rep}", () => SetContents(() => createDrawable(rep)));
 
-            AddStep("show droplet", () => SetContents(createDrawableDroplet));
+            AddStep("show droplet", () => SetContents(() => createDrawableDroplet()));
-
             AddStep("show tiny droplet", () => SetContents(createDrawableTinyDroplet));
 
             foreach (FruitVisualRepresentation rep in Enum.GetValues(typeof(FruitVisualRepresentation)))
                 AddStep($"show hyperdash {rep}", () => SetContents(() => createDrawable(rep, true)));
+
+            AddStep("show hyperdash droplet", () => SetContents(() => createDrawableDroplet(true)));
         }
 
         private Drawable createDrawableTinyDroplet()
         {
-            var droplet = new TinyDroplet
+            var droplet = new TestCatchTinyDroplet
             {
-                StartTime = Clock.CurrentTime,
                 Scale = 1.5f,
             };
 
@@ -47,12 +47,12 @@ namespace osu.Game.Rulesets.Catch.Tests
             };
         }
 
-        private Drawable createDrawableDroplet()
+        private Drawable createDrawableDroplet(bool hyperdash = false)
         {
-            var droplet = new Droplet
+            var droplet = new TestCatchDroplet
             {
-                StartTime = Clock.CurrentTime,
                 Scale = 1.5f,
+                HyperDashTarget = hyperdash ? new Banana() : null
             };
 
             return new DrawableDroplet(droplet)
@@ -95,5 +95,21 @@ namespace osu.Game.Rulesets.Catch.Tests
 
             public override FruitVisualRepresentation VisualRepresentation { get; }
         }
+
+        public class TestCatchDroplet : Droplet
+        {
+            public TestCatchDroplet()
+            {
+                StartTime = 1000000000000;
+            }
+        }
+
+        public class TestCatchTinyDroplet : TinyDroplet
+        {
+            public TestCatchTinyDroplet()
+            {
+                StartTime = 1000000000000;
+            }
+        }
     }
 }

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

@@ -6,6 +6,7 @@ using System.Linq;
 using NUnit.Framework;
 using osu.Framework.Testing;
 using osu.Game.Beatmaps;
+using osu.Game.Beatmaps.ControlPoints;
 using osu.Game.Rulesets.Catch.Objects;
 using osu.Game.Rulesets.Catch.UI;
 using osu.Game.Rulesets.Objects;
@@ -18,22 +19,42 @@ namespace osu.Game.Rulesets.Catch.Tests
     {
         protected override bool Autoplay => true;
 
+        private int hyperDashCount;
+        private bool inHyperDash;
+
         [Test]
         public void TestHyperDash()
         {
-            AddAssert("First note is hyperdash", () => Beatmap.Value.Beatmap.HitObjects[0] is Fruit f && f.HyperDash);
+            AddStep("reset count", () =>
-            AddUntilStep("wait for right movement", () => getCatcher().Scale.X > 0); // don't check hyperdashing as it happens too fast.
-
-            AddUntilStep("wait for left movement", () => getCatcher().Scale.X < 0);
-
-            for (int i = 0; i < 3; i++)
             {
-                AddUntilStep("wait for right hyperdash", () => getCatcher().Scale.X > 0 && getCatcher().HyperDashing);
+                inHyperDash = false;
-                AddUntilStep("wait for left hyperdash", () => getCatcher().Scale.X < 0 && getCatcher().HyperDashing);
+                hyperDashCount = 0;
-            }
-        }
 
-        private Catcher getCatcher() => Player.ChildrenOfType<CatcherArea>().First().MovableCatcher;
+                // this needs to be done within the frame stable context due to how quickly hyperdash state changes occur.
+                Player.DrawableRuleset.FrameStableComponents.OnUpdate += d =>
+                {
+                    var catcher = Player.ChildrenOfType<CatcherArea>().FirstOrDefault()?.MovableCatcher;
+
+                    if (catcher == null)
+                        return;
+
+                    if (catcher.HyperDashing != inHyperDash)
+                    {
+                        inHyperDash = catcher.HyperDashing;
+                        if (catcher.HyperDashing)
+                            hyperDashCount++;
+                    }
+                };
+            });
+
+            AddAssert("First note is hyperdash", () => Beatmap.Value.Beatmap.HitObjects[0] is Fruit f && f.HyperDash);
+
+            for (int i = 0; i < 9; i++)
+            {
+                int count = i + 1;
+                AddUntilStep($"wait for hyperdash #{count}", () => hyperDashCount >= count);
+            }
+        }
 
         protected override IBeatmap CreateBeatmap(RulesetInfo ruleset)
         {
@@ -46,6 +67,8 @@ namespace osu.Game.Rulesets.Catch.Tests
                 }
             };
 
+            beatmap.ControlPointInfo.Add(0, new TimingControlPoint());
+
             // Should produce a hyper-dash (edge case test)
             beatmap.HitObjects.Add(new Fruit { StartTime = 1816, X = 56, NewCombo = true });
             beatmap.HitObjects.Add(new Fruit { StartTime = 2008, X = 308, NewCombo = true });
@@ -63,6 +86,20 @@ namespace osu.Game.Rulesets.Catch.Tests
             createObjects(() => new Fruit { X = right_x });
             createObjects(() => new TestJuiceStream(left_x), 1);
 
+            beatmap.ControlPointInfo.Add(startTime, new TimingControlPoint
+            {
+                BeatLength = 50
+            });
+
+            createObjects(() => new TestJuiceStream(left_x)
+            {
+                Path = new SliderPath(new[]
+                {
+                    new PathControlPoint(Vector2.Zero),
+                    new PathControlPoint(new Vector2(512, 0))
+                })
+            }, 1);
+
             return beatmap;
 
             void createObjects(Func<CatchHitObject> createObject, int count = 3)

osu.Game.Rulesets.Catch.Tests/osu.Game.Rulesets.Catch.Tests.csproj

@@ -2,9 +2,9 @@
   <Import Project="..\osu.TestProject.props" />
   <ItemGroup Label="Package References">
     <PackageReference Include="Appveyor.TestLogger" Version="2.0.0" />
-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="16.6.1" />
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="16.7.1" />
     <PackageReference Include="NUnit" Version="3.12.0" />
-    <PackageReference Include="NUnit3TestAdapter" Version="3.15.1" />
+    <PackageReference Include="NUnit3TestAdapter" Version="3.17.0" />
     <PackageReference Update="Microsoft.EntityFrameworkCore.Sqlite" Version="2.1.4" />
   </ItemGroup>
   <PropertyGroup Label="Project">

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

@@ -3,7 +3,6 @@
 
 using System.Collections.Generic;
 using System.Linq;
-using osu.Framework.Graphics.Sprites;
 using osu.Game.Beatmaps;
 using osu.Game.Rulesets.Catch.Objects;
 
@@ -23,19 +22,19 @@ namespace osu.Game.Rulesets.Catch.Beatmaps
                 {
                     Name = @"Fruit Count",
                     Content = fruits.ToString(),
-                    Icon = FontAwesome.Regular.Circle
+                    CreateIcon = () => new BeatmapStatisticIcon(BeatmapStatisticsIconType.Circles),
                 },
                 new BeatmapStatistic
                 {
                     Name = @"Juice Stream Count",
                     Content = juiceStreams.ToString(),
-                    Icon = FontAwesome.Regular.Circle
+                    CreateIcon = () => new BeatmapStatisticIcon(BeatmapStatisticsIconType.Sliders),
                 },
                 new BeatmapStatistic
                 {
                     Name = @"Banana Shower Count",
                     Content = bananaShowers.ToString(),
-                    Icon = FontAwesome.Regular.Circle
+                    CreateIcon = () => new BeatmapStatisticIcon(BeatmapStatisticsIconType.Spinners),
                 }
             };
         }

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

@@ -179,7 +179,7 @@ namespace osu.Game.Rulesets.Catch.Beatmaps
             if (amount > 0)
             {
                 // Clamp to the right bound
-                if (position + amount < 1)
+                if (position + amount < CatchPlayfield.WIDTH)
                     position += amount;
             }
             else
@@ -212,6 +212,12 @@ namespace osu.Game.Rulesets.Catch.Beatmaps
             objectWithDroplets.Sort((h1, h2) => h1.StartTime.CompareTo(h2.StartTime));
 
             double halfCatcherWidth = Catcher.CalculateCatchWidth(beatmap.BeatmapInfo.BaseDifficulty) / 2;
+
+            // Todo: This is wrong. osu!stable calculated hyperdashes using the full catcher size, excluding the margins.
+            // This should theoretically cause impossible scenarios, but practically, likely due to the size of the playfield, it doesn't seem possible.
+            // For now, to bring gameplay (and diffcalc!) completely in-line with stable, this code also uses the full catcher size.
+            halfCatcherWidth /= Catcher.ALLOWED_CATCH_RANGE;
+
             int lastDirection = 0;
             double lastExcess = halfCatcherWidth;
 

osu.Game.Rulesets.Catch/CatchRuleset.cs

@@ -21,11 +21,13 @@ using osu.Game.Rulesets.Difficulty;
 using osu.Game.Rulesets.Scoring;
 using osu.Game.Scoring;
 using System;
+using osu.Framework.Testing;
 using osu.Game.Rulesets.Catch.Skinning;
 using osu.Game.Skinning;
 
 namespace osu.Game.Rulesets.Catch
 {
+    [ExcludeFromDynamicCompile]
     public class CatchRuleset : Ruleset, ILegacyRuleset
     {
         public override DrawableRuleset CreateDrawableRulesetWith(IBeatmap beatmap, IReadOnlyList<Mod> mods = null) => new DrawableCatchRuleset(this, beatmap, mods);

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

@@ -78,7 +78,6 @@ namespace osu.Game.Rulesets.Catch.Difficulty
 
             if (mods.Any(m => m is ModHidden))
             {
-                value *= 1.05 + 0.075 * (10.0 - Math.Min(10.0, Attributes.ApproachRate)); // 7.5% for each AR below 10
                 // Hiddens gives almost nothing on max approach rate, and more the lower it is
                 if (approachRate <= 10.0)
                     value *= 1.05 + 0.075 * (10.0 - approachRate); // 7.5% for each AR below 10

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

@@ -30,7 +30,7 @@ namespace osu.Game.Rulesets.Catch.Judgements
                     return 0;
 
                 case HitResult.Perfect:
-                    return 0.01;
+                    return DEFAULT_MAX_HEALTH_INCREASE * 0.75;
             }
         }
 

osu.Game.Rulesets.Catch/Mods/CatchModPerfect.cs

@@ -1,17 +1,11 @@
 // Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
 // See the LICENCE file in the repository root for full licence text.
 
-using osu.Game.Rulesets.Catch.Judgements;
-using osu.Game.Rulesets.Judgements;
 using osu.Game.Rulesets.Mods;
-using osu.Game.Rulesets.Scoring;
 
 namespace osu.Game.Rulesets.Catch.Mods
 {
     public class CatchModPerfect : ModPerfect
     {
-        protected override bool FailCondition(HealthProcessor healthProcessor, JudgementResult result)
-            => !(result.Judgement is CatchBananaJudgement)
-               && base.FailCondition(healthProcessor, result);
     }
 }

osu.Game.Rulesets.Catch/Mods/CatchModRelax.cs

@@ -52,7 +52,7 @@ namespace osu.Game.Rulesets.Catch.Mods
 
             protected override bool OnMouseMove(MouseMoveEvent e)
             {
-                catcher.UpdatePosition(e.MousePosition.X / DrawSize.X);
+                catcher.UpdatePosition(e.MousePosition.X / DrawSize.X * CatchPlayfield.WIDTH);
                 return base.OnMouseMove(e);
             }
         }

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

@@ -1,6 +1,8 @@
 // Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
 // See the LICENCE file in the repository root for full licence text.
 
+using System.Collections.Generic;
+using osu.Game.Audio;
 using osu.Game.Rulesets.Catch.Judgements;
 using osu.Game.Rulesets.Judgements;
 
@@ -8,8 +10,27 @@ namespace osu.Game.Rulesets.Catch.Objects
 {
     public class Banana : Fruit
     {
+        /// <summary>
+        /// Index of banana in current shower.
+        /// </summary>
+        public int BananaIndex;
+
         public override FruitVisualRepresentation VisualRepresentation => FruitVisualRepresentation.Banana;
 
         public override Judgement CreateJudgement() => new CatchBananaJudgement();
+
+        private static readonly List<HitSampleInfo> samples = new List<HitSampleInfo> { new BananaHitSampleInfo() };
+
+        public Banana()
+        {
+            Samples = samples;
+        }
+
+        private class BananaHitSampleInfo : HitSampleInfo
+        {
+            private static string[] lookupNames { get; } = { "metronomelow", "catch-banana" };
+
+            public override IEnumerable<string> LookupNames => lookupNames;
+        }
     }
 }

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

@@ -30,15 +30,21 @@ namespace osu.Game.Rulesets.Catch.Objects
             if (spacing <= 0)
                 return;
 
-            for (double i = StartTime; i <= EndTime; i += spacing)
+            double time = StartTime;
+            int i = 0;
+
+            while (time <= EndTime)
             {
                 cancellationToken.ThrowIfCancellationRequested();
 
                 AddNested(new Banana
                 {
-                    Samples = Samples,
+                    StartTime = time,
-                    StartTime = i
+                    BananaIndex = i,
                 });
+
+                time += spacing;
+                i++;
             }
         }
 

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

@@ -27,6 +27,11 @@ namespace osu.Game.Rulesets.Catch.Objects
             set => x = value;
         }
 
+        /// <summary>
+        /// Whether this object can be placed on the catcher's plate.
+        /// </summary>
+        public virtual bool CanBePlated => false;
+
         /// <summary>
         /// A random offset applied to <see cref="X"/>, set by the <see cref="CatchBeatmapProcessor"/>.
         /// </summary>
@@ -100,6 +105,14 @@ namespace osu.Game.Rulesets.Catch.Objects
         protected override HitWindows CreateHitWindows() => HitWindows.Empty;
     }
 
+    /// <summary>
+    /// Represents a single object that can be caught by the catcher.
+    /// </summary>
+    public abstract class PalpableCatchHitObject : CatchHitObject
+    {
+        public override bool CanBePlated => true;
+    }
+
     public enum FruitVisualRepresentation
     {
         Pear,

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

@@ -40,6 +40,13 @@ namespace osu.Game.Rulesets.Catch.Objects.Drawables
             float getRandomAngle() => 180 * (RNG.NextSingle() * 2 - 1);
         }
 
+        public override void PlaySamples()
+        {
+            base.PlaySamples();
+            if (Samples != null)
+                Samples.Frequency.Value = 0.77f + ((Banana)HitObject).BananaIndex * 0.006f;
+        }
+
         private Color4 getBananaColour()
         {
             switch (RNG.Next(0, 3))

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

@@ -15,14 +15,12 @@ using osuTK.Graphics;
 
 namespace osu.Game.Rulesets.Catch.Objects.Drawables
 {
-    public abstract class PalpableCatchHitObject<TObject> : DrawableCatchHitObject<TObject>
+    public abstract class PalpableDrawableCatchHitObject<TObject> : DrawableCatchHitObject<TObject>
-        where TObject : CatchHitObject
+        where TObject : PalpableCatchHitObject
     {
-        public override bool CanBePlated => true;
-
         protected Container ScaleContainer { get; private set; }
 
-        protected PalpableCatchHitObject(TObject hitObject)
+        protected PalpableDrawableCatchHitObject(TObject hitObject)
             : base(hitObject)
         {
             Origin = Anchor.Centre;
@@ -65,9 +63,7 @@ namespace osu.Game.Rulesets.Catch.Objects.Drawables
 
     public abstract class DrawableCatchHitObject : DrawableHitObject<CatchHitObject>
     {
-        public virtual bool CanBePlated => false;
+        public virtual bool StaysOnPlate => HitObject.CanBePlated;
-
-        public virtual bool StaysOnPlate => CanBePlated;
 
         public float DisplayRadius => DrawSize.X / 2 * Scale.X * HitObject.Scale;
 

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

@@ -4,12 +4,11 @@
 using osu.Framework.Allocation;
 using osu.Framework.Graphics;
 using osu.Framework.Utils;
-using osu.Game.Rulesets.Catch.Objects.Drawables.Pieces;
 using osu.Game.Skinning;
 
 namespace osu.Game.Rulesets.Catch.Objects.Drawables
 {
-    public class DrawableDroplet : PalpableCatchHitObject<Droplet>
+    public class DrawableDroplet : PalpableDrawableCatchHitObject<Droplet>
     {
         public override bool StaysOnPlate => false;
 
@@ -21,11 +20,7 @@ namespace osu.Game.Rulesets.Catch.Objects.Drawables
         [BackgroundDependencyLoader]
         private void load()
         {
-            ScaleContainer.Child = new SkinnableDrawable(new CatchSkinComponent(CatchSkinComponents.Droplet), _ => new Pulp
+            ScaleContainer.Child = new SkinnableDrawable(new CatchSkinComponent(CatchSkinComponents.Droplet), _ => new DropletPiece());
-            {
-                Size = Size / 4,
-                AccentColour = { BindTarget = AccentColour }
-            });
         }
 
         protected override void UpdateInitialTransforms()

osu.Game.Rulesets.Catch/Objects/Drawables/DrawableFruit.cs

@@ -8,7 +8,7 @@ using osu.Game.Skinning;
 
 namespace osu.Game.Rulesets.Catch.Objects.Drawables
 {
-    public class DrawableFruit : PalpableCatchHitObject<Fruit>
+    public class DrawableFruit : PalpableDrawableCatchHitObject<Fruit>
     {
         public DrawableFruit(Fruit h)
             : base(h)

osu.Game.Rulesets.Catch/Objects/Drawables/DropletPiece.cs

@@ -0,0 +1,69 @@
+// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
+// See the LICENCE file in the repository root for full licence text.
+
+using osu.Framework.Allocation;
+using osu.Framework.Graphics;
+using osu.Framework.Graphics.Containers;
+using osu.Framework.Graphics.Shapes;
+using osu.Game.Rulesets.Catch.Objects.Drawables.Pieces;
+using osu.Game.Rulesets.Catch.UI;
+using osu.Game.Rulesets.Objects.Drawables;
+using osuTK;
+
+namespace osu.Game.Rulesets.Catch.Objects.Drawables
+{
+    public class DropletPiece : CompositeDrawable
+    {
+        public DropletPiece()
+        {
+            Size = new Vector2(CatchHitObject.OBJECT_RADIUS / 2);
+        }
+
+        [BackgroundDependencyLoader]
+        private void load(DrawableHitObject drawableObject)
+        {
+            DrawableCatchHitObject drawableCatchObject = (DrawableCatchHitObject)drawableObject;
+            var hitObject = drawableCatchObject.HitObject;
+
+            InternalChild = new Pulp
+            {
+                RelativeSizeAxes = Axes.Both,
+                AccentColour = { BindTarget = drawableObject.AccentColour }
+            };
+
+            if (hitObject.HyperDash)
+            {
+                AddInternal(new Container
+                {
+                    Anchor = Anchor.Centre,
+                    Origin = Anchor.Centre,
+                    RelativeSizeAxes = Axes.Both,
+                    Size = new Vector2(2f),
+                    Depth = 1,
+                    Children = new Drawable[]
+                    {
+                        new Circle
+                        {
+                            RelativeSizeAxes = Axes.Both,
+                            Anchor = Anchor.Centre,
+                            Origin = Anchor.Centre,
+                            BorderColour = Catcher.DEFAULT_HYPER_DASH_COLOUR,
+                            BorderThickness = 6,
+                            Children = new Drawable[]
+                            {
+                                new Box
+                                {
+                                    AlwaysPresent = true,
+                                    Alpha = 0.3f,
+                                    Blending = BlendingParameters.Additive,
+                                    RelativeSizeAxes = Axes.Both,
+                                    Colour = Catcher.DEFAULT_HYPER_DASH_COLOUR,
+                                }
+                            }
+                        }
+                    }
+                });
+            }
+        }
+    }
+}

osu.Game.Rulesets.Catch/Objects/Drawables/FruitPiece.cs

@@ -3,7 +3,6 @@
 
 using System;
 using osu.Framework.Allocation;
-using osu.Framework.Bindables;
 using osu.Framework.Graphics;
 using osu.Framework.Graphics.Containers;
 using osu.Framework.Graphics.Shapes;
@@ -21,11 +20,8 @@ namespace osu.Game.Rulesets.Catch.Objects.Drawables
         public const float RADIUS_ADJUST = 1.1f;
 
         private Circle border;
-
         private CatchHitObject hitObject;
 
-        private readonly IBindable<Color4> accentColour = new Bindable<Color4>();
-
         public FruitPiece()
         {
             RelativeSizeAxes = Axes.Both;
@@ -37,8 +33,6 @@ namespace osu.Game.Rulesets.Catch.Objects.Drawables
             DrawableCatchHitObject drawableCatchObject = (DrawableCatchHitObject)drawableObject;
             hitObject = drawableCatchObject.HitObject;
 
-            accentColour.BindTo(drawableCatchObject.AccentColour);
-
             AddRangeInternal(new[]
             {
                 getFruitFor(drawableCatchObject.HitObject.VisualRepresentation),

osu.Game.Rulesets.Catch/Objects/Drawables/Pieces/Pulp.cs

@@ -36,7 +36,7 @@ namespace osu.Game.Rulesets.Catch.Objects.Drawables.Pieces
             EdgeEffect = new EdgeEffectParameters
             {
                 Type = EdgeEffectType.Glow,
-                Radius = Size.X / 2,
+                Radius = DrawWidth / 2,
                 Colour = colour.NewValue.Darken(0.2f).Opacity(0.75f)
             };
         }

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

@@ -6,7 +6,7 @@ using osu.Game.Rulesets.Judgements;
 
 namespace osu.Game.Rulesets.Catch.Objects
 {
-    public class Droplet : CatchHitObject
+    public class Droplet : PalpableCatchHitObject
     {
         public override Judgement CreateJudgement() => new CatchDropletJudgement();
     }

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

@@ -6,7 +6,7 @@ using osu.Game.Rulesets.Judgements;
 
 namespace osu.Game.Rulesets.Catch.Objects
 {
-    public class Fruit : CatchHitObject
+    public class Fruit : PalpableCatchHitObject
     {
         public override Judgement CreateJudgement() => new CatchJudgement();
     }

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

@@ -35,18 +35,15 @@ namespace osu.Game.Rulesets.Catch.Replays
             }
         }
 
-        public override List<IInput> GetPendingInputs()
+        public override void CollectPendingInputs(List<IInput> inputs)
         {
-            if (!Position.HasValue) return new List<IInput>();
+            if (!Position.HasValue) return;
 
-            return new List<IInput>
+            inputs.Add(new CatchReplayState
-            {
-                new CatchReplayState
             {
                 PressedActions = CurrentFrame?.Actions ?? new List<CatchAction>(),
                 CatcherX = Position.Value
-                },
+            });
-            };
         }
 
         public class CatchReplayState : ReplayState<CatchAction>

osu.Game.Rulesets.Catch/Resources/Testing/Beatmaps/right-bound-hr-offset-expected-conversion.json

@@ -0,0 +1,17 @@
+{
+    "Mappings": [{
+            "StartTime": 3368,
+            "Objects": [{
+                "StartTime": 3368,
+                "Position": 374
+            }]
+        },
+        {
+            "StartTime": 3501,
+            "Objects": [{
+                "StartTime": 3501,
+                "Position": 446
+            }]
+        }
+    ]
+}

osu.Game.Rulesets.Catch/Resources/Testing/Beatmaps/right-bound-hr-offset.osu

@@ -0,0 +1,20 @@
+osu file format v14
+
+[General]
+StackLeniency: 0.7
+Mode: 2
+
+[Difficulty]
+HPDrainRate:6
+CircleSize:4
+OverallDifficulty:9.6
+ApproachRate:9.6
+SliderMultiplier:1.9
+SliderTickRate:1
+
+[TimingPoints]
+2169,266.666666666667,4,2,1,70,1,0
+
+[HitObjects]
+374,60,3368,1,0,0:0:0:0:
+410,146,3501,1,2,0:1:0:0:

osu.Game.Rulesets.Catch/Skinning/CatchLegacySkinTransformer.cs

@@ -6,6 +6,7 @@ using osu.Framework.Bindables;
 using osu.Framework.Graphics;
 using osu.Game.Skinning;
 using osuTK;
+using osuTK.Graphics;
 
 namespace osu.Game.Rulesets.Catch.Skinning
 {
@@ -61,7 +62,12 @@ namespace osu.Game.Rulesets.Catch.Skinning
             switch (lookup)
             {
                 case CatchSkinColour colour:
-                    return Source.GetConfig<SkinCustomColourLookup, TValue>(new SkinCustomColourLookup(colour));
+                    var result = (Bindable<Color4>)Source.GetConfig<SkinCustomColourLookup, TValue>(new SkinCustomColourLookup(colour));
+                    if (result == null)
+                        return null;
+
+                    result.Value = LegacyColourCompatibility.DisallowZeroAlpha(result.Value);
+                    return (IBindable<TValue>)result;
             }
 
             return Source.GetConfig<TLookup, TValue>(lookup);

osu.Game.Rulesets.Catch/Skinning/LegacyFruitPiece.cs

@@ -40,7 +40,6 @@ namespace osu.Game.Rulesets.Catch.Skinning
                 colouredSprite = new Sprite
                 {
                     Texture = skin.GetTexture(lookupName),
-                    Colour = drawableObject.AccentColour.Value,
                     Anchor = Anchor.Centre,
                     Origin = Anchor.Centre,
                 },
@@ -76,7 +75,7 @@ namespace osu.Game.Rulesets.Catch.Skinning
         {
             base.LoadComplete();
 
-            accentColour.BindValueChanged(colour => colouredSprite.Colour = colour.NewValue, true);
+            accentColour.BindValueChanged(colour => colouredSprite.Colour = LegacyColourCompatibility.DisallowZeroAlpha(colour.NewValue), true);
         }
     }
 }

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

@@ -35,22 +35,25 @@ namespace osu.Game.Rulesets.Catch.UI
 
         public CatchPlayfield(BeatmapDifficulty difficulty, Func<CatchHitObject, DrawableHitObject<CatchHitObject>> createDrawableRepresentation)
         {
-            Container explodingFruitContainer;
+            var explodingFruitContainer = new Container
-
-            InternalChildren = new Drawable[]
-            {
-                explodingFruitContainer = new Container
             {
                 RelativeSizeAxes = Axes.Both,
-                },
+            };
+
             CatcherArea = new CatcherArea(difficulty)
             {
                 CreateDrawableRepresentation = createDrawableRepresentation,
                 ExplodingFruitTarget = explodingFruitContainer,
                 Anchor = Anchor.BottomLeft,
                 Origin = Anchor.TopLeft,
-                },
+            };
-                HitObjectContainer
+
+            InternalChildren = new[]
+            {
+                explodingFruitContainer,
+                CatcherArea.MovableCatcher.CreateProxiedContent(),
+                HitObjectContainer,
+                CatcherArea
             };
         }
 

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

@@ -10,15 +10,21 @@ namespace osu.Game.Rulesets.Catch.UI
 {
     public class CatchPlayfieldAdjustmentContainer : PlayfieldAdjustmentContainer
     {
+        private const float playfield_size_adjust = 0.8f;
+
         protected override Container<Drawable> Content => content;
         private readonly Container content;
 
         public CatchPlayfieldAdjustmentContainer()
         {
-            Anchor = Anchor.TopCentre;
+            // because we are using centre anchor/origin, we will need to limit visibility in the future
-            Origin = Anchor.TopCentre;
+            // to ensure tall windows do not get a readability advantage.
+            // it may be possible to bake the catch-specific offsets (-100..340 mentioned below) into new values
+            // which are compatible with TopCentre alignment.
+            Anchor = Anchor.Centre;
+            Origin = Anchor.Centre;
 
-            Size = new Vector2(0.86f); // matches stable's vertical offset for catcher plate
+            Size = new Vector2(playfield_size_adjust);
 
             InternalChild = new Container
             {
@@ -27,7 +33,7 @@ namespace osu.Game.Rulesets.Catch.UI
                 RelativeSizeAxes = Axes.Both,
                 FillMode = FillMode.Fit,
                 FillAspectRatio = 4f / 3,
-                Child = content = new ScalingContainer { RelativeSizeAxes = Axes.Both }
+                Child = content = new ScalingContainer { RelativeSizeAxes = Axes.Both, }
             };
         }
 
@@ -40,8 +46,14 @@ namespace osu.Game.Rulesets.Catch.UI
             {
                 base.Update();
 
+                // in stable, fruit fall vertically from -100 to 340.
+                // to emulate this, we want to make our playfield 440 gameplay pixels high.
+                // we then offset it -100 vertically in the position set below.
+                const float stable_v_offset_ratio = 440 / 384f;
+
                 Scale = new Vector2(Parent.ChildSize.X / CatchPlayfield.WIDTH);
-                Size = Vector2.Divide(Vector2.One, Scale);
+                Position = new Vector2(0, -100 * stable_v_offset_ratio + Scale.X);
+                Size = Vector2.Divide(new Vector2(1, stable_v_offset_ratio), Scale);
             }
         }
     }

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

@@ -5,12 +5,14 @@ using System;
 using System.Linq;
 using JetBrains.Annotations;
 using osu.Framework.Allocation;
+using osu.Framework.Bindables;
 using osu.Framework.Graphics;
 using osu.Framework.Graphics.Animations;
 using osu.Framework.Graphics.Containers;
 using osu.Framework.Input.Bindings;
 using osu.Framework.Utils;
 using osu.Game.Beatmaps;
+using osu.Game.Configuration;
 using osu.Game.Rulesets.Catch.Objects;
 using osu.Game.Rulesets.Catch.Objects.Drawables;
 using osu.Game.Rulesets.Catch.Skinning;
@@ -46,6 +48,12 @@ namespace osu.Game.Rulesets.Catch.UI
 
         public Container ExplodingFruitTarget;
 
+        private Container<DrawableHitObject> caughtFruitContainer { get; } = new Container<DrawableHitObject>
+        {
+            Anchor = Anchor.TopCentre,
+            Origin = Anchor.BottomCentre,
+        };
+
         [NotNull]
         private readonly Container trailsTarget;
 
@@ -56,7 +64,7 @@ namespace osu.Game.Rulesets.Catch.UI
         /// <summary>
         /// The width of the catcher which can receive fruit. Equivalent to "catchMargin" in osu-stable.
         /// </summary>
-        private const float allowed_catch_range = 0.8f;
+        public const float ALLOWED_CATCH_RANGE = 0.8f;
 
         /// <summary>
         /// The drawable catcher for <see cref="CurrentState"/>.
@@ -83,8 +91,6 @@ namespace osu.Game.Rulesets.Catch.UI
         /// </summary>
         private readonly float catchWidth;
 
-        private Container<DrawableHitObject> caughtFruit;
-
         private CatcherSprite catcherIdle;
         private CatcherSprite catcherKiai;
         private CatcherSprite catcherFail;
@@ -99,6 +105,7 @@ namespace osu.Game.Rulesets.Catch.UI
         private double hyperDashModifier = 1;
         private int hyperDashDirection;
         private float hyperDashTargetPosition;
+        private Bindable<bool> hitLighting;
 
         public Catcher([NotNull] Container trailsTarget, BeatmapDifficulty difficulty = null)
         {
@@ -114,15 +121,13 @@ namespace osu.Game.Rulesets.Catch.UI
         }
 
         [BackgroundDependencyLoader]
-        private void load()
+        private void load(OsuConfigManager config)
         {
+            hitLighting = config.GetBindable<bool>(OsuSetting.HitLighting);
+
             InternalChildren = new Drawable[]
             {
-                caughtFruit = new Container<DrawableHitObject>
+                caughtFruitContainer,
-                {
-                    Anchor = Anchor.TopCentre,
-                    Origin = Anchor.BottomCentre,
-                },
                 catcherIdle = new CatcherSprite(CatcherAnimationState.Idle)
                 {
                     Anchor = Anchor.TopCentre,
@@ -145,6 +150,11 @@ namespace osu.Game.Rulesets.Catch.UI
             updateCatcher();
         }
 
+        /// <summary>
+        /// Creates proxied content to be displayed beneath hitobjects.
+        /// </summary>
+        public Drawable CreateProxiedContent() => caughtFruitContainer.CreateProxy();
+
         /// <summary>
         /// Calculates the scale of the catcher based off the provided beatmap difficulty.
         /// </summary>
@@ -156,7 +166,7 @@ namespace osu.Game.Rulesets.Catch.UI
         /// </summary>
         /// <param name="scale">The scale of the catcher.</param>
         internal static float CalculateCatchWidth(Vector2 scale)
-            => CatcherArea.CATCHER_SIZE * Math.Abs(scale.X) * allowed_catch_range;
+            => CatcherArea.CATCHER_SIZE * Math.Abs(scale.X) * ALLOWED_CATCH_RANGE;
 
         /// <summary>
         /// Calculates the width of the area used for attempting catches in gameplay.
@@ -176,7 +186,7 @@ namespace osu.Game.Rulesets.Catch.UI
 
             const float allowance = 10;
 
-            while (caughtFruit.Any(f =>
+            while (caughtFruitContainer.Any(f =>
                 f.LifetimeEnd == double.MaxValue &&
                 Vector2Extensions.Distance(f.Position, fruit.Position) < (ourRadius + (theirRadius = f.DrawSize.X / 2 * f.Scale.X)) / (allowance / 2)))
             {
@@ -187,14 +197,17 @@ namespace osu.Game.Rulesets.Catch.UI
 
             fruit.X = Math.Clamp(fruit.X, -CatcherArea.CATCHER_SIZE / 2, CatcherArea.CATCHER_SIZE / 2);
 
-            caughtFruit.Add(fruit);
+            caughtFruitContainer.Add(fruit);
 
+            if (hitLighting.Value)
+            {
                 AddInternal(new HitExplosion(fruit)
                 {
                     X = fruit.X,
                     Scale = new Vector2(fruit.HitObject.Scale)
                 });
             }
+        }
 
         /// <summary>
         /// Let the catcher attempt to catch a fruit.
@@ -203,6 +216,9 @@ namespace osu.Game.Rulesets.Catch.UI
         /// <returns>Whether the catch is possible.</returns>
         public bool AttemptCatch(CatchHitObject fruit)
         {
+            if (!fruit.CanBePlated)
+                return false;
+
             var halfCatchWidth = catchWidth * 0.5f;
 
             // this stuff wil disappear once we move fruit to non-relative coordinate space in the future.
@@ -213,9 +229,8 @@ namespace osu.Game.Rulesets.Catch.UI
                 catchObjectPosition >= catcherPosition - halfCatchWidth &&
                 catchObjectPosition <= catcherPosition + halfCatchWidth;
 
-            // only update hyperdash state if we are catching a fruit.
+            // only update hyperdash state if we are not catching a tiny droplet.
-            // exceptions are Droplets and JuiceStreams.
+            if (fruit is TinyDroplet) return validCatch;
-            if (!(fruit is Fruit)) return validCatch;
 
             if (validCatch && fruit.HyperDash)
             {
@@ -270,8 +285,6 @@ namespace osu.Game.Rulesets.Catch.UI
 
         private void runHyperDashStateTransition(bool hyperDashing)
         {
-            trails.HyperDashTrailsColour = hyperDashColour;
-            trails.EndGlowSpritesColour = hyperDashEndGlowColour;
             updateTrailVisibility();
 
             if (hyperDashing)
@@ -342,7 +355,7 @@ namespace osu.Game.Rulesets.Catch.UI
         /// </summary>
         public void Drop()
         {
-            foreach (var f in caughtFruit.ToArray())
+            foreach (var f in caughtFruitContainer.ToArray())
                 Drop(f);
         }
 
@@ -351,7 +364,7 @@ namespace osu.Game.Rulesets.Catch.UI
         /// </summary>
         public void Explode()
         {
-            foreach (var f in caughtFruit.ToArray())
+            foreach (var f in caughtFruitContainer.ToArray())
                 Explode(f);
         }
 
@@ -388,6 +401,9 @@ namespace osu.Game.Rulesets.Catch.UI
                 skin.GetConfig<CatchSkinColour, Color4>(CatchSkinColour.HyperDashAfterImage)?.Value ??
                 hyperDashColour;
 
+            trails.HyperDashTrailsColour = hyperDashColour;
+            trails.EndGlowSpritesColour = hyperDashEndGlowColour;
+
             runHyperDashStateTransition(HyperDashing);
         }
 
@@ -450,9 +466,9 @@ namespace osu.Game.Rulesets.Catch.UI
             if (ExplodingFruitTarget != null)
             {
                 fruit.Anchor = Anchor.TopLeft;
-                fruit.Position = caughtFruit.ToSpaceOfOtherDrawable(fruit.DrawPosition, ExplodingFruitTarget);
+                fruit.Position = caughtFruitContainer.ToSpaceOfOtherDrawable(fruit.DrawPosition, ExplodingFruitTarget);
 
-                if (!caughtFruit.Remove(fruit))
+                if (!caughtFruitContainer.Remove(fruit))
                     // we may have already been removed by a previous operation (due to the weird OnLoadComplete scheduling).
                     // this avoids a crash on potentially attempting to Add a fruit to ExplodingFruitTarget twice.
                     return;

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

@@ -22,6 +22,8 @@ namespace osu.Game.Rulesets.Catch.UI
 
         public Func<CatchHitObject, DrawableHitObject<CatchHitObject>> CreateDrawableRepresentation;
 
+        public readonly Catcher MovableCatcher;
+
         public Container ExplodingFruitTarget
         {
             set => MovableCatcher.ExplodingFruitTarget = value;
@@ -53,7 +55,7 @@ namespace osu.Game.Rulesets.Catch.UI
                     lastPlateableFruit.OnLoadComplete += _ => action();
             }
 
-            if (result.IsHit && fruit.CanBePlated)
+            if (result.IsHit && fruit.HitObject.CanBePlated)
             {
                 // create a new (cloned) fruit to stay on the plate. the original is faded out immediately.
                 var caughtFruit = (DrawableCatchHitObject)CreateDrawableRepresentation?.Invoke(fruit.HitObject);
@@ -104,7 +106,5 @@ namespace osu.Game.Rulesets.Catch.UI
             if (state?.CatcherX != null)
                 MovableCatcher.X = state.CatcherX.Value;
         }
-
-        protected internal readonly Catcher MovableCatcher;
     }
 }

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

@@ -24,7 +24,7 @@ namespace osu.Game.Rulesets.Catch.UI
         private readonly Container<CatcherTrailSprite> hyperDashTrails;
         private readonly Container<CatcherTrailSprite> endGlowSprites;
 
-        private Color4 hyperDashTrailsColour;
+        private Color4 hyperDashTrailsColour = Catcher.DEFAULT_HYPER_DASH_COLOUR;
 
         public Color4 HyperDashTrailsColour
         {
@@ -35,11 +35,11 @@ namespace osu.Game.Rulesets.Catch.UI
                     return;
 
                 hyperDashTrailsColour = value;
-                hyperDashTrails.FadeColour(hyperDashTrailsColour, Catcher.HYPER_DASH_TRANSITION_DURATION, Easing.OutQuint);
+                hyperDashTrails.Colour = hyperDashTrailsColour;
             }
         }
 
-        private Color4 endGlowSpritesColour;
+        private Color4 endGlowSpritesColour = Catcher.DEFAULT_HYPER_DASH_COLOUR;
 
         public Color4 EndGlowSpritesColour
         {
@@ -50,7 +50,7 @@ namespace osu.Game.Rulesets.Catch.UI
                     return;
 
                 endGlowSpritesColour = value;
-                endGlowSprites.FadeColour(endGlowSpritesColour, Catcher.HYPER_DASH_TRANSITION_DURATION, Easing.OutQuint);
+                endGlowSprites.Colour = endGlowSpritesColour;
             }
         }
 

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

@@ -23,6 +23,7 @@ namespace osu.Game.Rulesets.Mania.Tests
         [TestCase(LegacyMods.Perfect | LegacyMods.SuddenDeath, new[] { typeof(ManiaModPerfect) })]
         [TestCase(LegacyMods.Perfect | LegacyMods.SuddenDeath | LegacyMods.DoubleTime, new[] { typeof(ManiaModDoubleTime), typeof(ManiaModPerfect) })]
         [TestCase(LegacyMods.Random | LegacyMods.SuddenDeath, new[] { typeof(ManiaModRandom), typeof(ManiaModSuddenDeath) })]
+        [TestCase(LegacyMods.Flashlight | LegacyMods.Mirror, new[] { typeof(ManiaModFlashlight), typeof(ManiaModMirror) })]
         public new void Test(LegacyMods legacyMods, Type[] expectedMods) => base.Test(legacyMods, expectedMods);
 
         protected override Ruleset CreateRuleset() => new ManiaRuleset();

osu.Game.Rulesets.Mania.Tests/Mods/TestSceneManiaModInvert.cs

@@ -0,0 +1,21 @@
+// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
+// See the LICENCE file in the repository root for full licence text.
+
+using NUnit.Framework;
+using osu.Game.Rulesets.Mania.Mods;
+using osu.Game.Tests.Visual;
+
+namespace osu.Game.Rulesets.Mania.Tests.Mods
+{
+    public class TestSceneManiaModInvert : ModTestScene
+    {
+        protected override Ruleset CreatePlayerRuleset() => new ManiaRuleset();
+
+        [Test]
+        public void TestInversion() => CreateModTest(new ModTestData
+        {
+            Mod = new ManiaModInvert(),
+            PassCondition = () => Player.ScoreProcessor.JudgedHits >= 2
+        });
+    }
+}

osu.Game.Rulesets.Mania.Tests/Skinning/ColumnTestContainer.cs

@@ -22,18 +22,22 @@ namespace osu.Game.Rulesets.Mania.Tests.Skinning
         [Cached]
         private readonly Column column;
 
-        public ColumnTestContainer(int column, ManiaAction action)
+        public ColumnTestContainer(int column, ManiaAction action, bool showColumn = false)
+        {
+            InternalChildren = new[]
             {
                 this.column = new Column(column)
                 {
                     Action = { Value = action },
                     AccentColour = Color4.Orange,
-                ColumnType = column % 2 == 0 ? ColumnType.Even : ColumnType.Odd
+                    ColumnType = column % 2 == 0 ? ColumnType.Even : ColumnType.Odd,
-            };
+                    Alpha = showColumn ? 1 : 0
-
+                },
-            InternalChild = content = new ManiaInputManager(new ManiaRuleset().RulesetInfo, 4)
+                content = new ManiaInputManager(new ManiaRuleset().RulesetInfo, 4)
                 {
                     RelativeSizeAxes = Axes.Both
+                },
+                this.column.TopLevelContainer.CreateProxy()
             };
         }
     }

osu.Game.Rulesets.Mania.Tests/Skinning/ManiaHitObjectTestScene.cs

@@ -27,7 +27,7 @@ namespace osu.Game.Rulesets.Mania.Tests.Skinning
                 Direction = FillDirection.Horizontal,
                 Children = new Drawable[]
                 {
-                    new ColumnTestContainer(0, ManiaAction.Key1)
+                    new ColumnTestContainer(0, ManiaAction.Key1, true)
                     {
                         Anchor = Anchor.Centre,
                         Origin = Anchor.Centre,
@@ -45,7 +45,7 @@ namespace osu.Game.Rulesets.Mania.Tests.Skinning
                             }));
                         })
                     },
-                    new ColumnTestContainer(1, ManiaAction.Key2)
+                    new ColumnTestContainer(1, ManiaAction.Key2, true)
                     {
                         Anchor = Anchor.Centre,
                         Origin = Anchor.Centre,

osu.Game.Rulesets.Mania.Tests/Skinning/TestSceneHitExplosion.cs

@@ -1,23 +1,27 @@
 // Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
 // See the LICENCE file in the repository root for full licence text.
 
+using System.Collections.Generic;
 using System.Linq;
 using NUnit.Framework;
 using osu.Framework.Allocation;
-using osu.Framework.Extensions.IEnumerableExtensions;
 using osu.Framework.Graphics;
 using osu.Framework.Graphics.Containers;
+using osu.Framework.Graphics.Pooling;
+using osu.Game.Rulesets.Judgements;
+using osu.Game.Rulesets.Mania.Judgements;
 using osu.Game.Rulesets.Mania.Objects.Drawables.Pieces;
 using osu.Game.Rulesets.Mania.UI;
-using osu.Game.Skinning;
+using osu.Game.Rulesets.Objects;
 using osuTK;
-using osuTK.Graphics;
 
 namespace osu.Game.Rulesets.Mania.Tests.Skinning
 {
     [TestFixture]
     public class TestSceneHitExplosion : ManiaSkinnableTestScene
     {
+        private readonly List<DrawablePool<PoolableHitExplosion>> hitExplosionPools = new List<DrawablePool<PoolableHitExplosion>>();
+
         public TestSceneHitExplosion()
         {
             int runcount = 0;
@@ -29,28 +33,40 @@ namespace osu.Game.Rulesets.Mania.Tests.Skinning
                 if (runcount % 15 > 12)
                     return;
 
-                CreatedDrawables.OfType<Container>().ForEach(c =>
+                int poolIndex = 0;
+
+                foreach (var c in CreatedDrawables.OfType<Container>())
                 {
-                    c.Add(new SkinnableDrawable(new ManiaSkinComponent(ManiaSkinComponents.HitExplosion, 0),
+                    c.Add(hitExplosionPools[poolIndex].Get(e =>
-                        _ => new DefaultHitExplosion((runcount / 15) % 2 == 0 ? new Color4(94, 0, 57, 255) : new Color4(6, 84, 0, 255), runcount % 6 != 0)
                     {
-                            Anchor = Anchor.Centre,
+                        e.Apply(new JudgementResult(new HitObject(), runcount % 6 == 0 ? new HoldNoteTickJudgement() : new ManiaJudgement()));
-                            Origin = Anchor.Centre,
+
+                        e.Anchor = Anchor.Centre;
+                        e.Origin = Anchor.Centre;
                     }));
-                });
+
+                    poolIndex++;
+                }
             }, 100);
         }
 
         [BackgroundDependencyLoader]
         private void load()
         {
-            SetContents(() => new ColumnTestContainer(0, ManiaAction.Key1)
+            SetContents(() =>
+            {
+                var pool = new DrawablePool<PoolableHitExplosion>(5);
+                hitExplosionPools.Add(pool);
+
+                return new ColumnTestContainer(0, ManiaAction.Key1)
                 {
                     Anchor = Anchor.Centre,
                     Origin = Anchor.Centre,
                     RelativePositionAxes = Axes.Y,
                     Y = -0.25f,
                     Size = new Vector2(Column.COLUMN_WIDTH, DefaultNotePiece.NOTE_HEIGHT),
+                    Child = pool
+                };
             });
         }
     }

osu.Game.Rulesets.Mania.Tests/Skinning/TestSceneStageBackground.cs

@@ -3,6 +3,7 @@
 
 using osu.Framework.Allocation;
 using osu.Framework.Graphics;
+using osu.Game.Rulesets.Mania.Beatmaps;
 using osu.Game.Rulesets.Mania.UI.Components;
 using osu.Game.Skinning;
 
@@ -13,7 +14,8 @@ namespace osu.Game.Rulesets.Mania.Tests.Skinning
         [BackgroundDependencyLoader]
         private void load()
         {
-            SetContents(() => new SkinnableDrawable(new ManiaSkinComponent(ManiaSkinComponents.StageBackground), _ => new DefaultStageBackground())
+            SetContents(() => new SkinnableDrawable(new ManiaSkinComponent(ManiaSkinComponents.StageBackground, stageDefinition: new StageDefinition { Columns = 4 }),
+                _ => new DefaultStageBackground())
             {
                 Anchor = Anchor.Centre,
                 Origin = Anchor.Centre,

osu.Game.Rulesets.Mania.Tests/Skinning/TestSceneStageForeground.cs

@@ -3,6 +3,7 @@
 
 using osu.Framework.Allocation;
 using osu.Framework.Graphics;
+using osu.Game.Rulesets.Mania.Beatmaps;
 using osu.Game.Skinning;
 
 namespace osu.Game.Rulesets.Mania.Tests.Skinning
@@ -12,7 +13,7 @@ namespace osu.Game.Rulesets.Mania.Tests.Skinning
         [BackgroundDependencyLoader]
         private void load()
         {
-            SetContents(() => new SkinnableDrawable(new ManiaSkinComponent(ManiaSkinComponents.StageForeground), _ => null)
+            SetContents(() => new SkinnableDrawable(new ManiaSkinComponent(ManiaSkinComponents.StageForeground, stageDefinition: new StageDefinition { Columns = 4 }), _ => null)
             {
                 Anchor = Anchor.Centre,
                 Origin = Anchor.Centre,

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

@@ -2,6 +2,7 @@
 // See the LICENCE file in the repository root for full licence text.
 
 using System.Collections.Generic;
+using System.Linq;
 using NUnit.Framework;
 using osu.Framework.Screens;
 using osu.Game.Beatmaps;
@@ -10,6 +11,8 @@ using osu.Game.Replays;
 using osu.Game.Rulesets.Judgements;
 using osu.Game.Rulesets.Mania.Objects;
 using osu.Game.Rulesets.Mania.Replays;
+using osu.Game.Rulesets.Mania.Scoring;
+using osu.Game.Rulesets.Objects;
 using osu.Game.Rulesets.Replays;
 using osu.Game.Rulesets.Scoring;
 using osu.Game.Scoring;
@@ -236,6 +239,53 @@ namespace osu.Game.Rulesets.Mania.Tests
             assertTailJudgement(HitResult.Meh);
         }
 
+        [Test]
+        public void TestMissReleaseAndHitSecondRelease()
+        {
+            var windows = new ManiaHitWindows();
+            windows.SetDifficulty(10);
+
+            var beatmap = new Beatmap<ManiaHitObject>
+            {
+                HitObjects =
+                {
+                    new HoldNote
+                    {
+                        StartTime = 1000,
+                        Duration = 500,
+                        Column = 0,
+                    },
+                    new HoldNote
+                    {
+                        StartTime = 1000 + 500 + windows.WindowFor(HitResult.Miss) + 10,
+                        Duration = 500,
+                        Column = 0,
+                    },
+                },
+                BeatmapInfo =
+                {
+                    BaseDifficulty = new BeatmapDifficulty
+                    {
+                        SliderTickRate = 4,
+                        OverallDifficulty = 10,
+                    },
+                    Ruleset = new ManiaRuleset().RulesetInfo
+                },
+            };
+
+            performTest(new List<ReplayFrame>
+            {
+                new ManiaReplayFrame(beatmap.HitObjects[1].StartTime, ManiaAction.Key1),
+                new ManiaReplayFrame(beatmap.HitObjects[1].GetEndTime()),
+            }, beatmap);
+
+            AddAssert("first hold note missed", () => judgementResults.Where(j => beatmap.HitObjects[0].NestedHitObjects.Contains(j.HitObject))
+                                                                      .All(j => j.Type == HitResult.Miss));
+
+            AddAssert("second hold note missed", () => judgementResults.Where(j => beatmap.HitObjects[1].NestedHitObjects.Contains(j.HitObject))
+                                                                       .All(j => j.Type == HitResult.Perfect));
+        }
+
         private void assertHeadJudgement(HitResult result)
             => AddAssert($"head judged as {result}", () => judgementResults[0].Type == result);
 
@@ -250,11 +300,11 @@ namespace osu.Game.Rulesets.Mania.Tests
 
         private ScoreAccessibleReplayPlayer currentPlayer;
 
-        private void performTest(List<ReplayFrame> frames)
+        private void performTest(List<ReplayFrame> frames, Beatmap<ManiaHitObject> beatmap = null)
         {
-            AddStep("load player", () =>
+            if (beatmap == null)
             {
-                Beatmap.Value = CreateWorkingBeatmap(new Beatmap<ManiaHitObject>
+                beatmap = new Beatmap<ManiaHitObject>
                 {
                     HitObjects =
                     {
@@ -270,9 +320,14 @@ namespace osu.Game.Rulesets.Mania.Tests
                         BaseDifficulty = new BeatmapDifficulty { SliderTickRate = 4 },
                         Ruleset = new ManiaRuleset().RulesetInfo
                     },
-                });
+                };
 
-                Beatmap.Value.Beatmap.ControlPointInfo.Add(0, new DifficultyControlPoint { SpeedMultiplier = 0.1f });
+                beatmap.ControlPointInfo.Add(0, new DifficultyControlPoint { SpeedMultiplier = 0.1f });
+            }
+
+            AddStep("load player", () =>
+            {
+                Beatmap.Value = CreateWorkingBeatmap(beatmap);
 
                 var p = new ScoreAccessibleReplayPlayer(new Score { Replay = new Replay { Frames = frames } });
 

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

@@ -0,0 +1,117 @@
+// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
+// See the LICENCE file in the repository root for full licence text.
+
+using System.Collections.Generic;
+using System.Linq;
+using NUnit.Framework;
+using osu.Framework.Extensions.TypeExtensions;
+using osu.Framework.Screens;
+using osu.Framework.Utils;
+using osu.Game.Beatmaps.ControlPoints;
+using osu.Game.Replays;
+using osu.Game.Rulesets.Judgements;
+using osu.Game.Rulesets.Mania.Beatmaps;
+using osu.Game.Rulesets.Mania.Objects;
+using osu.Game.Rulesets.Mania.Replays;
+using osu.Game.Rulesets.Replays;
+using osu.Game.Rulesets.Scoring;
+using osu.Game.Scoring;
+using osu.Game.Screens.Play;
+using osu.Game.Tests.Visual;
+
+namespace osu.Game.Rulesets.Mania.Tests
+{
+    public class TestSceneOutOfOrderHits : RateAdjustedBeatmapTestScene
+    {
+        [Test]
+        public void TestPreviousHitWindowDoesNotExtendPastNextObject()
+        {
+            var objects = new List<ManiaHitObject>();
+            var frames = new List<ReplayFrame>();
+
+            for (int i = 0; i < 7; i++)
+            {
+                double time = 1000 + i * 100;
+
+                objects.Add(new Note { StartTime = time });
+
+                if (i > 0)
+                {
+                    frames.Add(new ManiaReplayFrame(time + 10, ManiaAction.Key1));
+                    frames.Add(new ManiaReplayFrame(time + 11));
+                }
+            }
+
+            performTest(objects, frames);
+
+            addJudgementAssert(objects[0], HitResult.Miss);
+
+            for (int i = 1; i < 7; i++)
+            {
+                addJudgementAssert(objects[i], HitResult.Perfect);
+                addJudgementOffsetAssert(objects[i], 10);
+            }
+        }
+
+        private void addJudgementAssert(ManiaHitObject hitObject, HitResult result)
+        {
+            AddAssert($"({hitObject.GetType().ReadableName()} @ {hitObject.StartTime}) judgement is {result}",
+                () => judgementResults.Single(r => r.HitObject == hitObject).Type == result);
+        }
+
+        private void addJudgementOffsetAssert(ManiaHitObject hitObject, double offset)
+        {
+            AddAssert($"({hitObject.GetType().ReadableName()} @ {hitObject.StartTime}) judged at {offset}",
+                () => Precision.AlmostEquals(judgementResults.Single(r => r.HitObject == hitObject).TimeOffset, offset, 100));
+        }
+
+        private ScoreAccessibleReplayPlayer currentPlayer;
+        private List<JudgementResult> judgementResults;
+
+        private void performTest(List<ManiaHitObject> hitObjects, List<ReplayFrame> frames)
+        {
+            AddStep("load player", () =>
+            {
+                Beatmap.Value = CreateWorkingBeatmap(new ManiaBeatmap(new StageDefinition { Columns = 4 })
+                {
+                    HitObjects = hitObjects,
+                    BeatmapInfo =
+                    {
+                        Ruleset = new ManiaRuleset().RulesetInfo
+                    },
+                });
+
+                Beatmap.Value.Beatmap.ControlPointInfo.Add(0, new DifficultyControlPoint { SpeedMultiplier = 0.1f });
+
+                var p = new ScoreAccessibleReplayPlayer(new Score { Replay = new Replay { Frames = frames } });
+
+                p.OnLoadComplete += _ =>
+                {
+                    p.ScoreProcessor.NewJudgement += result =>
+                    {
+                        if (currentPlayer == p) judgementResults.Add(result);
+                    };
+                };
+
+                LoadScreen(currentPlayer = p);
+                judgementResults = new List<JudgementResult>();
+            });
+
+            AddUntilStep("Beatmap at 0", () => Beatmap.Value.Track.CurrentTime == 0);
+            AddUntilStep("Wait until player is loaded", () => currentPlayer.IsCurrentScreen());
+            AddUntilStep("Wait for completion", () => currentPlayer.ScoreProcessor.HasCompleted.Value);
+        }
+
+        private class ScoreAccessibleReplayPlayer : ReplayPlayer
+        {
+            public new ScoreProcessor ScoreProcessor => base.ScoreProcessor;
+
+            protected override bool PauseOnFocusLost => false;
+
+            public ScoreAccessibleReplayPlayer(Score score)
+                : base(score, false, false)
+            {
+            }
+        }
+    }
+}

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

@@ -0,0 +1,56 @@
+// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
+// See the LICENCE file in the repository root for full licence text.
+
+using NUnit.Framework;
+using osu.Framework.Graphics;
+using osu.Framework.Graphics.Shapes;
+using osu.Game.Rulesets.Mania.UI;
+using osu.Game.Rulesets.UI.Scrolling;
+using osu.Game.Tests.Visual;
+using osuTK;
+using osuTK.Graphics;
+
+namespace osu.Game.Rulesets.Mania.Tests
+{
+    public class TestScenePlayfieldCoveringContainer : OsuTestScene
+    {
+        private readonly ScrollingTestContainer scrollingContainer;
+        private readonly PlayfieldCoveringWrapper cover;
+
+        public TestScenePlayfieldCoveringContainer()
+        {
+            Child = scrollingContainer = new ScrollingTestContainer(ScrollingDirection.Down)
+            {
+                Anchor = Anchor.Centre,
+                Origin = Anchor.Centre,
+                Size = new Vector2(300, 500),
+                Child = cover = new PlayfieldCoveringWrapper(new Box
+                {
+                    RelativeSizeAxes = Axes.Both,
+                    Colour = Color4.Orange
+                })
+                {
+                    RelativeSizeAxes = Axes.Both,
+                }
+            };
+        }
+
+        [Test]
+        public void TestScrollingDownwards()
+        {
+            AddStep("set down scroll", () => scrollingContainer.Direction = ScrollingDirection.Down);
+            AddStep("set coverage = 0.5", () => cover.Coverage = 0.5f);
+            AddStep("set coverage = 0.8f", () => cover.Coverage = 0.8f);
+            AddStep("set coverage = 0.2f", () => cover.Coverage = 0.2f);
+        }
+
+        [Test]
+        public void TestScrollingUpwards()
+        {
+            AddStep("set up scroll", () => scrollingContainer.Direction = ScrollingDirection.Up);
+            AddStep("set coverage = 0.5", () => cover.Coverage = 0.5f);
+            AddStep("set coverage = 0.8f", () => cover.Coverage = 0.8f);
+            AddStep("set coverage = 0.2f", () => cover.Coverage = 0.2f);
+        }
+    }
+}

osu.Game.Rulesets.Mania.Tests/osu.Game.Rulesets.Mania.Tests.csproj

@@ -2,9 +2,9 @@
   <Import Project="..\osu.TestProject.props" />
   <ItemGroup Label="Package References">
     <PackageReference Include="Appveyor.TestLogger" Version="2.0.0" />
-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="16.6.1" />
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="16.7.1" />
     <PackageReference Include="NUnit" Version="3.12.0" />
-    <PackageReference Include="NUnit3TestAdapter" Version="3.15.1" />
+    <PackageReference Include="NUnit3TestAdapter" Version="3.17.0" />
     <PackageReference Update="Microsoft.EntityFrameworkCore.Sqlite" Version="2.1.4" />
   </ItemGroup>
   <PropertyGroup Label="Project">

osu.Game.Rulesets.Mania/Beatmaps/ManiaBeatmap.cs

@@ -3,7 +3,6 @@
 
 using System.Collections.Generic;
 using System.Linq;
-using osu.Framework.Graphics.Sprites;
 using osu.Game.Beatmaps;
 using osu.Game.Rulesets.Mania.Objects;
 using osu.Game.Rulesets.Mania.UI;
@@ -41,14 +40,14 @@ namespace osu.Game.Rulesets.Mania.Beatmaps
                 new BeatmapStatistic
                 {
                     Name = @"Note Count",
+                    CreateIcon = () => new BeatmapStatisticIcon(BeatmapStatisticsIconType.Circles),
                     Content = notes.ToString(),
-                    Icon = FontAwesome.Regular.Circle
                 },
                 new BeatmapStatistic
                 {
                     Name = @"Hold Note Count",
+                    CreateIcon = () => new BeatmapStatisticIcon(BeatmapStatisticsIconType.Sliders),
                     Content = holdnotes.ToString(),
-                    Icon = FontAwesome.Regular.Circle
                 },
             };
         }

osu.Game.Rulesets.Mania/Beatmaps/StageDefinition.cs

@@ -21,14 +21,14 @@ namespace osu.Game.Rulesets.Mania.Beatmaps
         /// </summary>
         /// <param name="column">The 0-based column index.</param>
         /// <returns>Whether the column is a special column.</returns>
-        public bool IsSpecialColumn(int column) => Columns % 2 == 1 && column == Columns / 2;
+        public readonly bool IsSpecialColumn(int column) => Columns % 2 == 1 && column == Columns / 2;
 
         /// <summary>
         /// Get the type of column given a column index.
         /// </summary>
         /// <param name="column">The 0-based column index.</param>
         /// <returns>The type of the column.</returns>
-        public ColumnType GetTypeOfColumn(int column)
+        public readonly ColumnType GetTypeOfColumn(int column)
         {
             if (IsSpecialColumn(column))
                 return ColumnType.Special;

osu.Game.Rulesets.Mania/Edit/Blueprints/Components/EditBodyPiece.cs

@@ -2,6 +2,7 @@
 // See the LICENCE file in the repository root for full licence text.
 
 using osu.Framework.Allocation;
+using osu.Framework.Graphics;
 using osu.Game.Graphics;
 using osu.Game.Rulesets.Mania.Objects.Drawables.Pieces;
 
@@ -15,7 +16,8 @@ namespace osu.Game.Rulesets.Mania.Edit.Blueprints.Components
             AccentColour.Value = colours.Yellow;
 
             Background.Alpha = 0.5f;
-            Foreground.Alpha = 0;
+        }
-        }
+
+        protected override Drawable CreateForeground() => base.CreateForeground().With(d => d.Alpha = 0);
     }
 }

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

@@ -7,7 +7,7 @@ namespace osu.Game.Rulesets.Mania.Judgements
 {
     public class HoldNoteTickJudgement : ManiaJudgement
     {
-        protected override int NumericResultFor(HitResult result) => 20;
+        protected override int NumericResultFor(HitResult result) => result == MaxResult ? 20 : 0;
 
         protected override double HealthIncreaseFor(HitResult result)
         {

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

@@ -28,7 +28,7 @@ namespace osu.Game.Rulesets.Mania.Judgements
                     return 300;
 
                 case HitResult.Perfect:
-                    return 320;
+                    return 350;
             }
         }
     }

osu.Game.Rulesets.Mania/ManiaRuleset.cs

@@ -12,6 +12,7 @@ using System.Linq;
 using osu.Framework.Graphics;
 using osu.Framework.Graphics.Sprites;
 using osu.Framework.Input.Bindings;
+using osu.Framework.Testing;
 using osu.Game.Graphics;
 using osu.Game.Rulesets.Mania.Replays;
 using osu.Game.Rulesets.Replays.Types;
@@ -34,6 +35,7 @@ using osu.Game.Screens.Ranking.Statistics;
 
 namespace osu.Game.Rulesets.Mania
 {
+    [ExcludeFromDynamicCompile]
     public class ManiaRuleset : Ruleset, ILegacyRuleset
     {
         /// <summary>
@@ -124,6 +126,9 @@ namespace osu.Game.Rulesets.Mania
 
             if (mods.HasFlag(LegacyMods.Random))
                 yield return new ManiaModRandom();
+
+            if (mods.HasFlag(LegacyMods.Mirror))
+                yield return new ManiaModMirror();
         }
 
         public override LegacyMods ConvertToLegacyMods(Mod[] mods)
@@ -173,6 +178,10 @@ namespace osu.Game.Rulesets.Mania
                     case ManiaModFadeIn _:
                         value |= LegacyMods.FadeIn;
                         break;
+
+                    case ManiaModMirror _:
+                        value |= LegacyMods.Mirror;
+                        break;
                 }
             }
 
@@ -218,6 +227,7 @@ namespace osu.Game.Rulesets.Mania
                         new ManiaModDualStages(),
                         new ManiaModMirror(),
                         new ManiaModDifficultyAdjust(),
+                        new ManiaModInvert(),
                     };
 
                 case ModType.Automation:
@@ -323,6 +333,16 @@ namespace osu.Game.Rulesets.Mania
                         Height = 250
                     }),
                 }
+            },
+            new StatisticRow
+            {
+                Columns = new[]
+                {
+                    new StatisticItem(string.Empty, new SimpleStatisticTable(3, new SimpleStatisticItem[]
+                    {
+                        new UnstableRate(score.HitEvents)
+                    }))
+                }
             }
         };
     }

osu.Game.Rulesets.Mania/ManiaSkinComponent.cs

@@ -1,6 +1,7 @@
 // Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
 // See the LICENCE file in the repository root for full licence text.
 
+using osu.Game.Rulesets.Mania.Beatmaps;
 using osu.Game.Rulesets.Mania.UI;
 using osu.Game.Skinning;
 
@@ -14,15 +15,23 @@ namespace osu.Game.Rulesets.Mania
         /// </summary>
         public readonly int? TargetColumn;
 
+        /// <summary>
+        /// The intended <see cref="StageDefinition"/> for this component.
+        /// May be null if the component is not a direct member of a <see cref="Stage"/>.
+        /// </summary>
+        public readonly StageDefinition? StageDefinition;
+
         /// <summary>
         /// Creates a new <see cref="ManiaSkinComponent"/>.
         /// </summary>
         /// <param name="component">The component.</param>
         /// <param name="targetColumn">The intended <see cref="Column"/> index for this component. May be null if the component does not exist in a <see cref="Column"/>.</param>
-        public ManiaSkinComponent(ManiaSkinComponents component, int? targetColumn = null)
+        /// <param name="stageDefinition">The intended <see cref="StageDefinition"/> for this component. May be null if the component is not a direct member of a <see cref="Stage"/>.</param>
+        public ManiaSkinComponent(ManiaSkinComponents component, int? targetColumn = null, StageDefinition? stageDefinition = null)
             : base(component)
         {
             TargetColumn = targetColumn;
+            StageDefinition = stageDefinition;
         }
 
         protected override string RulesetPrefix => ManiaRuleset.SHORT_NAME;

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

@@ -1,23 +1,19 @@
 // Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
 // See the LICENCE file in the repository root for full licence text.
 
-using System;
 using osu.Framework.Graphics.Sprites;
 using osu.Game.Graphics;
-using osu.Game.Rulesets.Mania.Objects;
+using osu.Game.Rulesets.Mania.UI;
-using osu.Game.Rulesets.Mods;
 
 namespace osu.Game.Rulesets.Mania.Mods
 {
-    public class ManiaModFadeIn : Mod
+    public class ManiaModFadeIn : ManiaModHidden
     {
         public override string Name => "Fade In";
         public override string Acronym => "FI";
         public override IconUsage? Icon => OsuIcon.ModHidden;
-        public override ModType Type => ModType.DifficultyIncrease;
         public override string Description => @"Keys appear out of nowhere!";
-        public override double ScoreMultiplier => 1;
+
-        public override bool Ranked => true;
+        protected override CoverExpandDirection ExpandDirection => CoverExpandDirection.AlongScroll;
-        public override Type[] IncompatibleMods => new[] { typeof(ModFlashlight<ManiaHitObject>) };
     }
 }

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

@@ -2,15 +2,44 @@
 // See the LICENCE file in the repository root for full licence text.
 
 using System;
+using System.Linq;
+using osu.Framework.Graphics;
+using osu.Framework.Graphics.Containers;
 using osu.Game.Rulesets.Mania.Objects;
+using osu.Game.Rulesets.Mania.UI;
 using osu.Game.Rulesets.Mods;
+using osu.Game.Rulesets.UI;
 
 namespace osu.Game.Rulesets.Mania.Mods
 {
-    public class ManiaModHidden : ModHidden
+    public class ManiaModHidden : ModHidden, IApplicableToDrawableRuleset<ManiaHitObject>
     {
         public override string Description => @"Keys fade out before you hit them!";
         public override double ScoreMultiplier => 1;
         public override Type[] IncompatibleMods => new[] { typeof(ModFlashlight<ManiaHitObject>) };
+
+        /// <summary>
+        /// The direction in which the cover should expand.
+        /// </summary>
+        protected virtual CoverExpandDirection ExpandDirection => CoverExpandDirection.AgainstScroll;
+
+        public virtual void ApplyToDrawableRuleset(DrawableRuleset<ManiaHitObject> drawableRuleset)
+        {
+            ManiaPlayfield maniaPlayfield = (ManiaPlayfield)drawableRuleset.Playfield;
+
+            foreach (Column column in maniaPlayfield.Stages.SelectMany(stage => stage.Columns))
+            {
+                HitObjectContainer hoc = column.HitObjectArea.HitObjectContainer;
+                Container hocParent = (Container)hoc.Parent;
+
+                hocParent.Remove(hoc);
+                hocParent.Add(new PlayfieldCoveringWrapper(hoc).With(c =>
+                {
+                    c.RelativeSizeAxes = Axes.Both;
+                    c.Direction = ExpandDirection;
+                    c.Coverage = 0.5f;
+                }));
+            }
+        }
     }
 }

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

@@ -0,0 +1,76 @@
+// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
+// See the LICENCE file in the repository root for full licence text.
+
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using osu.Framework.Graphics.Sprites;
+using osu.Game.Audio;
+using osu.Game.Beatmaps;
+using osu.Game.Rulesets.Mania.Beatmaps;
+using osu.Game.Rulesets.Mania.Objects;
+using osu.Game.Rulesets.Mods;
+
+namespace osu.Game.Rulesets.Mania.Mods
+{
+    public class ManiaModInvert : Mod, IApplicableAfterBeatmapConversion
+    {
+        public override string Name => "Invert";
+
+        public override string Acronym => "IN";
+        public override double ScoreMultiplier => 1;
+
+        public override string Description => "Hold the keys. To the beat.";
+
+        public override IconUsage? Icon => FontAwesome.Solid.YinYang;
+
+        public override ModType Type => ModType.Conversion;
+
+        public void ApplyToBeatmap(IBeatmap beatmap)
+        {
+            var maniaBeatmap = (ManiaBeatmap)beatmap;
+
+            var newObjects = new List<ManiaHitObject>();
+
+            foreach (var column in maniaBeatmap.HitObjects.GroupBy(h => h.Column))
+            {
+                var newColumnObjects = new List<ManiaHitObject>();
+
+                var locations = column.OfType<Note>().Select(n => (startTime: n.StartTime, samples: n.Samples))
+                                      .Concat(column.OfType<HoldNote>().SelectMany(h => new[]
+                                      {
+                                          (startTime: h.StartTime, samples: h.GetNodeSamples(0)),
+                                          (startTime: h.EndTime, samples: h.GetNodeSamples(1))
+                                      }))
+                                      .OrderBy(h => h.startTime).ToList();
+
+                for (int i = 0; i < locations.Count - 1; i++)
+                {
+                    // Full duration of the hold note.
+                    double duration = locations[i + 1].startTime - locations[i].startTime;
+
+                    // Beat length at the end of the hold note.
+                    double beatLength = beatmap.ControlPointInfo.TimingPointAt(locations[i + 1].startTime).BeatLength;
+
+                    // Decrease the duration by at most a 1/4 beat to ensure there's no instantaneous notes.
+                    duration = Math.Max(duration / 2, duration - beatLength / 4);
+
+                    newColumnObjects.Add(new HoldNote
+                    {
+                        Column = column.Key,
+                        StartTime = locations[i].startTime,
+                        Duration = duration,
+                        NodeSamples = new List<IList<HitSampleInfo>> { locations[i].samples, Array.Empty<HitSampleInfo>() }
+                    });
+                }
+
+                newObjects.AddRange(newColumnObjects);
+            }
+
+            maniaBeatmap.HitObjects = newObjects.OrderBy(h => h.StartTime).ToList();
+
+            // No breaks
+            maniaBeatmap.Breaks.Clear();
+        }
+    }
+}

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

@@ -1,6 +1,7 @@
 // Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
 // See the LICENCE file in the repository root for full licence text.
 
+using System;
 using osu.Framework.Bindables;
 using osu.Framework.Graphics;
 using osu.Game.Rulesets.Mania.Objects.Drawables.Pieces;
@@ -32,7 +33,17 @@ namespace osu.Game.Rulesets.Mania.Objects.Drawables
         private readonly Container<DrawableHoldNoteTail> tailContainer;
         private readonly Container<DrawableHoldNoteTick> tickContainer;
 
-        private readonly Drawable bodyPiece;
+        /// <summary>
+        /// Contains the size of the hold note covering the whole head/tail bounds. The size of this container changes as the hold note is being pressed.
+        /// </summary>
+        private readonly Container sizingContainer;
+
+        /// <summary>
+        /// Contains the contents of the hold note that should be masked as the hold note is being pressed. Follows changes in the size of <see cref="sizingContainer"/>.
+        /// </summary>
+        private readonly Container maskingContainer;
+
+        private readonly SkinnableDrawable bodyPiece;
 
         /// <summary>
         /// Time at which the user started holding this hold note. Null if the user is not holding this hold note.
@@ -44,24 +55,54 @@ namespace osu.Game.Rulesets.Mania.Objects.Drawables
         /// </summary>
         public bool HasBroken { get; private set; }
 
+        /// <summary>
+        /// Whether the hold note has been released potentially without having caused a break.
+        /// </summary>
+        private double? releaseTime;
+
         public DrawableHoldNote(HoldNote hitObject)
             : base(hitObject)
         {
             RelativeSizeAxes = Axes.X;
 
-            AddRangeInternal(new[]
+            Container maskedContents;
+
+            AddRangeInternal(new Drawable[]
             {
+                sizingContainer = new Container
+                {
+                    RelativeSizeAxes = Axes.Both,
+                    Children = new Drawable[]
+                    {
+                        maskingContainer = new Container
+                        {
+                            RelativeSizeAxes = Axes.Both,
+                            Child = maskedContents = new Container
+                            {
+                                RelativeSizeAxes = Axes.Both,
+                                Masking = true,
+                            }
+                        },
+                        headContainer = new Container<DrawableHoldNoteHead> { RelativeSizeAxes = Axes.Both }
+                    }
+                },
                 bodyPiece = new SkinnableDrawable(new ManiaSkinComponent(ManiaSkinComponents.HoldNoteBody, hitObject.Column), _ => new DefaultBodyPiece
                 {
-                    RelativeSizeAxes = Axes.Both
+                    RelativeSizeAxes = Axes.Both,
                 })
                 {
                     RelativeSizeAxes = Axes.X
                 },
                 tickContainer = new Container<DrawableHoldNoteTick> { RelativeSizeAxes = Axes.Both },
-                headContainer = new Container<DrawableHoldNoteHead> { RelativeSizeAxes = Axes.Both },
                 tailContainer = new Container<DrawableHoldNoteTail> { RelativeSizeAxes = Axes.Both },
             });
+
+            maskedContents.AddRange(new[]
+            {
+                bodyPiece.CreateProxy(),
+                tickContainer.CreateProxy(),
+                tailContainer.CreateProxy(),
+            });
         }
 
         protected override void AddNestedHitObject(DrawableHitObject hitObject)
@@ -127,7 +168,16 @@ namespace osu.Game.Rulesets.Mania.Objects.Drawables
         {
             base.OnDirectionChanged(e);
 
-            bodyPiece.Anchor = bodyPiece.Origin = e.NewValue == ScrollingDirection.Up ? Anchor.TopLeft : Anchor.BottomLeft;
+            if (e.NewValue == ScrollingDirection.Up)
+            {
+                bodyPiece.Anchor = bodyPiece.Origin = Anchor.TopLeft;
+                sizingContainer.Anchor = sizingContainer.Origin = Anchor.BottomLeft;
+            }
+            else
+            {
+                bodyPiece.Anchor = bodyPiece.Origin = Anchor.BottomLeft;
+                sizingContainer.Anchor = sizingContainer.Origin = Anchor.TopLeft;
+            }
         }
 
         public override void PlaySamples()
@@ -135,13 +185,48 @@ namespace osu.Game.Rulesets.Mania.Objects.Drawables
             // Samples are played by the head/tail notes.
         }
 
+        public override void OnKilled()
+        {
+            base.OnKilled();
+            (bodyPiece.Drawable as IHoldNoteBody)?.Recycle();
+        }
+
         protected override void Update()
         {
             base.Update();
 
-            // Make the body piece not lie under the head note
+            if (Time.Current < releaseTime)
+                releaseTime = null;
+
+            // Pad the full size container so its contents (i.e. the masking container) reach under the tail.
+            // This is required for the tail to not be masked away, since it lies outside the bounds of the hold note.
+            sizingContainer.Padding = new MarginPadding
+            {
+                Top = Direction.Value == ScrollingDirection.Down ? -Tail.Height : 0,
+                Bottom = Direction.Value == ScrollingDirection.Up ? -Tail.Height : 0,
+            };
+
+            // Pad the masking container to the starting position of the body piece (half-way under the head).
+            // This is required to make the body start getting masked immediately as soon as the note is held.
+            maskingContainer.Padding = new MarginPadding
+            {
+                Top = Direction.Value == ScrollingDirection.Up ? Head.Height / 2 : 0,
+                Bottom = Direction.Value == ScrollingDirection.Down ? Head.Height / 2 : 0,
+            };
+
+            // Position and resize the body to lie half-way under the head and the tail notes.
             bodyPiece.Y = (Direction.Value == ScrollingDirection.Up ? 1 : -1) * Head.Height / 2;
             bodyPiece.Height = DrawHeight - Head.Height / 2 + Tail.Height / 2;
+
+            // As the note is being held, adjust the size of the sizing container. This has two effects:
+            // 1. The contained masking container will mask the body and ticks.
+            // 2. The head note will move along with the new "head position" in the container.
+            if (Head.IsHit && releaseTime == null)
+            {
+                // How far past the hit target this hold note is. Always a positive value.
+                float yOffset = Math.Max(0, Direction.Value == ScrollingDirection.Up ? -Y : Y);
+                sizingContainer.Height = Math.Clamp(1 - yOffset / DrawHeight, 0, 1);
+            }
         }
 
         protected override void UpdateStateTransforms(ArmedState state)
@@ -153,7 +238,10 @@ namespace osu.Game.Rulesets.Mania.Objects.Drawables
         protected override void CheckForResult(bool userTriggered, double timeOffset)
         {
             if (Tail.AllJudged)
+            {
                 ApplyResult(r => r.Type = HitResult.Perfect);
+                endHold();
+            }
 
             if (Tail.Result.Type == HitResult.Miss)
                 HasBroken = true;
@@ -167,6 +255,15 @@ namespace osu.Game.Rulesets.Mania.Objects.Drawables
             if (action != Action.Value)
                 return false;
 
+            if (CheckHittable?.Invoke(this, Time.Current) == false)
+                return false;
+
+            // The tail has a lenience applied to it which is factored into the miss window (i.e. the miss judgement will be delayed).
+            // But the hold cannot ever be started within the late-lenience window, so we should skip trying to begin the hold during that time.
+            // Note: Unlike below, we use the tail's start time to determine the time offset.
+            if (Time.Current > Tail.HitObject.StartTime && !Tail.HitObject.HitWindows.CanBeHit(Time.Current - Tail.HitObject.StartTime))
+                return false;
+
             beginHoldAt(Time.Current - Head.HitObject.StartTime);
             Head.UpdateResult();
 
@@ -200,6 +297,8 @@ namespace osu.Game.Rulesets.Mania.Objects.Drawables
             // If the key has been released too early, the user should not receive full score for the release
             if (!Tail.IsHit)
                 HasBroken = true;
+
+            releaseTime = Time.Current;
         }
 
         private void endHold()

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

@@ -1,6 +1,8 @@
 // Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
 // See the LICENCE file in the repository root for full licence text.
 
+using osu.Game.Rulesets.Objects.Drawables;
+
 namespace osu.Game.Rulesets.Mania.Objects.Drawables
 {
     /// <summary>
@@ -17,6 +19,12 @@ namespace osu.Game.Rulesets.Mania.Objects.Drawables
 
         public void UpdateResult() => base.UpdateResult(true);
 
+        protected override void UpdateStateTransforms(ArmedState state)
+        {
+            // This hitobject should never expire, so this is just a safe maximum.
+            LifetimeEnd = LifetimeStart + 30000;
+        }
+
         public override bool OnPressed(ManiaAction action) => false; // Handled by the hold note
 
         public override void OnReleased(ManiaAction action)

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

@@ -1,6 +1,7 @@
 // Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
 // See the LICENCE file in the repository root for full licence text.
 
+using System;
 using JetBrains.Annotations;
 using osu.Framework.Allocation;
 using osu.Framework.Bindables;
@@ -8,6 +9,7 @@ using osu.Framework.Graphics;
 using osu.Game.Rulesets.Objects.Drawables;
 using osu.Game.Rulesets.UI.Scrolling;
 using osu.Game.Rulesets.Mania.UI;
+using osu.Game.Rulesets.Scoring;
 
 namespace osu.Game.Rulesets.Mania.Objects.Drawables
 {
@@ -34,6 +36,12 @@ namespace osu.Game.Rulesets.Mania.Objects.Drawables
             }
         }
 
+        /// <summary>
+        /// Whether this <see cref="DrawableManiaHitObject"/> can be hit, given a time value.
+        /// If non-null, judgements will be ignored whilst the function returns false.
+        /// </summary>
+        public Func<DrawableHitObject, double, bool> CheckHittable;
+
         protected DrawableManiaHitObject(ManiaHitObject hitObject)
             : base(hitObject)
         {
@@ -120,10 +128,15 @@ namespace osu.Game.Rulesets.Mania.Objects.Drawables
                     break;
 
                 case ArmedState.Hit:
-                    this.FadeOut(150, Easing.OutQuint);
+                    this.FadeOut();
                     break;
             }
         }
+
+        /// <summary>
+        /// Causes this <see cref="DrawableManiaHitObject"/> to get missed, disregarding all conditions in implementations of <see cref="DrawableHitObject.CheckForResult"/>.
+        /// </summary>
+        public void MissForcefully() => ApplyResult(r => r.Type = HitResult.Miss);
     }
 
     public abstract class DrawableManiaHitObject<TObject> : DrawableManiaHitObject

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

@@ -64,6 +64,9 @@ namespace osu.Game.Rulesets.Mania.Objects.Drawables
             if (action != Action.Value)
                 return false;
 
+            if (CheckHittable?.Invoke(this, Time.Current) == false)
+                return false;
+
             return UpdateResult(true);
         }
 

osu.Game.Rulesets.Mania/Objects/Drawables/Pieces/DefaultBodyPiece.cs

@@ -19,24 +19,17 @@ namespace osu.Game.Rulesets.Mania.Objects.Drawables.Pieces
     /// <summary>
     /// Represents length-wise portion of a hold note.
     /// </summary>
-    public class DefaultBodyPiece : CompositeDrawable
+    public class DefaultBodyPiece : CompositeDrawable, IHoldNoteBody
     {
         protected readonly Bindable<Color4> AccentColour = new Bindable<Color4>();
-
+        protected readonly IBindable<bool> IsHitting = new Bindable<bool>();
-        private readonly LayoutValue subtractionCache = new LayoutValue(Invalidation.DrawSize);
-        private readonly IBindable<bool> isHitting = new Bindable<bool>();
 
         protected Drawable Background { get; private set; }
-        protected BufferedContainer Foreground { get; private set; }
+        private Container foregroundContainer;
-
-        private BufferedContainer subtractionContainer;
-        private Container subtractionLayer;
 
         public DefaultBodyPiece()
         {
             Blending = BlendingParameters.Additive;
-
-            AddLayout(subtractionCache);
         }
 
         [BackgroundDependencyLoader(true)]
@@ -45,7 +38,54 @@ namespace osu.Game.Rulesets.Mania.Objects.Drawables.Pieces
             InternalChildren = new[]
             {
                 Background = new Box { RelativeSizeAxes = Axes.Both },
-                Foreground = new BufferedContainer
+                foregroundContainer = new Container { RelativeSizeAxes = Axes.Both }
+            };
+
+            if (drawableObject != null)
+            {
+                var holdNote = (DrawableHoldNote)drawableObject;
+
+                AccentColour.BindTo(drawableObject.AccentColour);
+                IsHitting.BindTo(holdNote.IsHitting);
+            }
+
+            AccentColour.BindValueChanged(onAccentChanged, true);
+
+            Recycle();
+        }
+
+        public void Recycle() => foregroundContainer.Child = CreateForeground();
+
+        protected virtual Drawable CreateForeground() => new ForegroundPiece
+        {
+            AccentColour = { BindTarget = AccentColour },
+            IsHitting = { BindTarget = IsHitting }
+        };
+
+        private void onAccentChanged(ValueChangedEvent<Color4> accent) => Background.Colour = accent.NewValue.Opacity(0.7f);
+
+        private class ForegroundPiece : CompositeDrawable
+        {
+            public readonly Bindable<Color4> AccentColour = new Bindable<Color4>();
+            public readonly IBindable<bool> IsHitting = new Bindable<bool>();
+
+            private readonly LayoutValue subtractionCache = new LayoutValue(Invalidation.DrawSize);
+
+            private BufferedContainer foregroundBuffer;
+            private BufferedContainer subtractionBuffer;
+            private Container subtractionLayer;
+
+            public ForegroundPiece()
+            {
+                RelativeSizeAxes = Axes.Both;
+
+                AddLayout(subtractionCache);
+            }
+
+            [BackgroundDependencyLoader]
+            private void load()
+            {
+                InternalChild = foregroundBuffer = new BufferedContainer
                 {
                     Blending = BlendingParameters.Additive,
                     RelativeSizeAxes = Axes.Both,
@@ -53,7 +93,7 @@ namespace osu.Game.Rulesets.Mania.Objects.Drawables.Pieces
                     Children = new Drawable[]
                     {
                         new Box { RelativeSizeAxes = Axes.Both },
-                        subtractionContainer = new BufferedContainer
+                        subtractionBuffer = new BufferedContainer
                         {
                             RelativeSizeAxes = Axes.Both,
                             // This is needed because we're blending with another object
@@ -77,36 +117,26 @@ namespace osu.Game.Rulesets.Mania.Objects.Drawables.Pieces
                             }
                         }
                     }
-                }
                 };
 
-            if (drawableObject != null)
-            {
-                var holdNote = (DrawableHoldNote)drawableObject;
-
-                AccentColour.BindTo(drawableObject.AccentColour);
-                isHitting.BindTo(holdNote.IsHitting);
-            }
-
                 AccentColour.BindValueChanged(onAccentChanged, true);
-            isHitting.BindValueChanged(_ => onAccentChanged(new ValueChangedEvent<Color4>(AccentColour.Value, AccentColour.Value)), true);
+                IsHitting.BindValueChanged(_ => onAccentChanged(new ValueChangedEvent<Color4>(AccentColour.Value, AccentColour.Value)), true);
             }
 
             private void onAccentChanged(ValueChangedEvent<Color4> accent)
             {
-            Foreground.Colour = accent.NewValue.Opacity(0.5f);
+                foregroundBuffer.Colour = accent.NewValue.Opacity(0.5f);
-            Background.Colour = accent.NewValue.Opacity(0.7f);
 
                 const float animation_length = 50;
 
-            Foreground.ClearTransforms(false, nameof(Foreground.Colour));
+                foregroundBuffer.ClearTransforms(false, nameof(foregroundBuffer.Colour));
 
-            if (isHitting.Value)
+                if (IsHitting.Value)
                 {
                     // wait for the next sync point
                     double synchronisedOffset = animation_length * 2 - Time.Current % (animation_length * 2);
-                using (Foreground.BeginDelayedSequence(synchronisedOffset))
+                    using (foregroundBuffer.BeginDelayedSequence(synchronisedOffset))
-                    Foreground.FadeColour(accent.NewValue.Lighten(0.2f), animation_length).Then().FadeColour(Foreground.Colour, animation_length).Loop();
+                        foregroundBuffer.FadeColour(accent.NewValue.Lighten(0.2f), animation_length).Then().FadeColour(foregroundBuffer.Colour, animation_length).Loop();
                 }
 
                 subtractionCache.Invalidate();
@@ -127,11 +157,12 @@ namespace osu.Game.Rulesets.Mania.Objects.Drawables.Pieces
                         Radius = DrawWidth
                     };
 
-                Foreground.ForceRedraw();
+                    foregroundBuffer.ForceRedraw();
-                subtractionContainer.ForceRedraw();
+                    subtractionBuffer.ForceRedraw();
 
                     subtractionCache.Validate();
                 }
             }
         }
     }
+}

osu.Game.Rulesets.Mania/Objects/Drawables/Pieces/IHoldNoteBody.cs

@@ -0,0 +1,16 @@
+// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
+// See the LICENCE file in the repository root for full licence text.
+
+namespace osu.Game.Rulesets.Mania.Objects.Drawables.Pieces
+{
+    /// <summary>
+    /// Interface for mania hold note bodies.
+    /// </summary>
+    public interface IHoldNoteBody
+    {
+        /// <summary>
+        /// Recycles the contents of this <see cref="IHoldNoteBody"/> to free used resources.
+        /// </summary>
+        void Recycle();
+    }
+}

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

@@ -102,14 +102,14 @@ namespace osu.Game.Rulesets.Mania.Objects
             {
                 StartTime = StartTime,
                 Column = Column,
-                Samples = getNodeSamples(0),
+                Samples = GetNodeSamples(0),
             });
 
             AddNested(Tail = new TailNote
             {
                 StartTime = EndTime,
                 Column = Column,
-                Samples = getNodeSamples((NodeSamples?.Count - 1) ?? 1),
+                Samples = GetNodeSamples((NodeSamples?.Count - 1) ?? 1),
             });
         }
 
@@ -134,7 +134,7 @@ namespace osu.Game.Rulesets.Mania.Objects
 
         protected override HitWindows CreateHitWindows() => HitWindows.Empty;
 
-        private IList<HitSampleInfo> getNodeSamples(int nodeIndex) =>
+        public IList<HitSampleInfo> GetNodeSamples(int nodeIndex) =>
             nodeIndex < NodeSamples?.Count ? NodeSamples[nodeIndex] : Samples;
     }
 }

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

@@ -18,6 +18,9 @@ namespace osu.Game.Rulesets.Mania.Replays
 
         protected override bool IsImportant(ManiaReplayFrame frame) => frame.Actions.Any();
 
-        public override List<IInput> GetPendingInputs() => new List<IInput> { new ReplayState<ManiaAction> { PressedActions = CurrentFrame?.Actions ?? new List<ManiaAction>() } };
+        public override void CollectPendingInputs(List<IInput> inputs)
+        {
+            inputs.Add(new ReplayState<ManiaAction> { PressedActions = CurrentFrame?.Actions ?? new List<ManiaAction>() });
+        }
     }
 }

osu.Game.Rulesets.Mania/Scoring/ManiaScoreProcessor.cs

@@ -7,6 +7,10 @@ namespace osu.Game.Rulesets.Mania.Scoring
 {
     internal class ManiaScoreProcessor : ScoreProcessor
     {
+        protected override double DefaultAccuracyPortion => 0.95;
+
+        protected override double DefaultComboPortion => 0.05;
+
         public override HitWindows CreateHitWindows() => new ManiaHitWindows();
     }
 }

osu.Game.Rulesets.Mania/Skinning/HitTargetInsetContainer.cs

@@ -0,0 +1,46 @@
+// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
+// See the LICENCE file in the repository root for full licence text.
+
+using osu.Framework.Allocation;
+using osu.Framework.Bindables;
+using osu.Framework.Graphics;
+using osu.Framework.Graphics.Containers;
+using osu.Game.Rulesets.Mania.UI;
+using osu.Game.Rulesets.UI.Scrolling;
+using osu.Game.Skinning;
+
+namespace osu.Game.Rulesets.Mania.Skinning
+{
+    public class HitTargetInsetContainer : Container
+    {
+        private readonly IBindable<ScrollingDirection> direction = new Bindable<ScrollingDirection>();
+
+        protected override Container<Drawable> Content => content;
+        private readonly Container content;
+
+        private float hitPosition;
+
+        public HitTargetInsetContainer()
+        {
+            RelativeSizeAxes = Axes.Both;
+
+            InternalChild = content = new Container { RelativeSizeAxes = Axes.Both };
+        }
+
+        [BackgroundDependencyLoader]
+        private void load(ISkinSource skin, IScrollingInfo scrollingInfo)
+        {
+            hitPosition = skin.GetManiaSkinConfig<float>(LegacyManiaSkinConfigurationLookups.HitPosition)?.Value ?? Stage.HIT_TARGET_POSITION;
+
+            direction.BindTo(scrollingInfo.Direction);
+            direction.BindValueChanged(onDirectionChanged, true);
+        }
+
+        private void onDirectionChanged(ValueChangedEvent<ScrollingDirection> direction)
+        {
+            content.Padding = direction.NewValue == ScrollingDirection.Up
+                ? new MarginPadding { Top = hitPosition }
+                : new MarginPadding { Bottom = hitPosition };
+        }
+    }
+}

osu.Game.Rulesets.Mania/Skinning/LegacyBodyPiece.cs

@@ -1,10 +1,13 @@
 // Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
 // See the LICENCE file in the repository root for full licence text.
 
+using System;
+using JetBrains.Annotations;
 using osu.Framework.Allocation;
 using osu.Framework.Bindables;
 using osu.Framework.Graphics;
 using osu.Framework.Graphics.Animations;
+using osu.Framework.Graphics.OpenGL.Textures;
 using osu.Game.Rulesets.Mania.Objects.Drawables;
 using osu.Game.Rulesets.Objects.Drawables;
 using osu.Game.Rulesets.UI.Scrolling;
@@ -18,7 +21,14 @@ namespace osu.Game.Rulesets.Mania.Skinning
         private readonly IBindable<ScrollingDirection> direction = new Bindable<ScrollingDirection>();
         private readonly IBindable<bool> isHitting = new Bindable<bool>();
 
-        private Drawable sprite;
+        [CanBeNull]
+        private Drawable bodySprite;
+
+        [CanBeNull]
+        private Drawable lightContainer;
+
+        [CanBeNull]
+        private Drawable light;
 
         public LegacyBodyPiece()
         {
@@ -31,7 +41,39 @@ namespace osu.Game.Rulesets.Mania.Skinning
             string imageName = GetColumnSkinConfig<string>(skin, LegacyManiaSkinConfigurationLookups.HoldNoteBodyImage)?.Value
                                ?? $"mania-note{FallbackColumnIndex}L";
 
-            sprite = skin.GetAnimation(imageName, true, true).With(d =>
+            string lightImage = GetColumnSkinConfig<string>(skin, LegacyManiaSkinConfigurationLookups.HoldNoteLightImage)?.Value
+                                ?? "lightingL";
+
+            float lightScale = GetColumnSkinConfig<float>(skin, LegacyManiaSkinConfigurationLookups.HoldNoteLightScale)?.Value
+                               ?? 1;
+
+            // Create a temporary animation to retrieve the number of frames, in an effort to calculate the intended frame length.
+            // This animation is discarded and re-queried with the appropriate frame length afterwards.
+            var tmp = skin.GetAnimation(lightImage, true, false);
+            double frameLength = 0;
+            if (tmp is IFramedAnimation tmpAnimation && tmpAnimation.FrameCount > 0)
+                frameLength = Math.Max(1000 / 60.0, 170.0 / tmpAnimation.FrameCount);
+
+            light = skin.GetAnimation(lightImage, true, true, frameLength: frameLength).With(d =>
+            {
+                if (d == null)
+                    return;
+
+                d.Origin = Anchor.Centre;
+                d.Blending = BlendingParameters.Additive;
+                d.Scale = new Vector2(lightScale);
+            });
+
+            if (light != null)
+            {
+                lightContainer = new HitTargetInsetContainer
+                {
+                    Alpha = 0,
+                    Child = light
+                };
+            }
+
+            bodySprite = skin.GetAnimation(imageName, WrapMode.ClampToEdge, WrapMode.ClampToEdge, true, true).With(d =>
             {
                 if (d == null)
                     return;
@@ -46,8 +88,8 @@ namespace osu.Game.Rulesets.Mania.Skinning
                 // Todo: Wrap
             });
 
-            if (sprite != null)
+            if (bodySprite != null)
-                InternalChild = sprite;
+                InternalChild = bodySprite;
 
             direction.BindTo(scrollingInfo.Direction);
             direction.BindValueChanged(onDirectionChanged, true);
@@ -59,28 +101,68 @@ namespace osu.Game.Rulesets.Mania.Skinning
 
         private void onIsHittingChanged(ValueChangedEvent<bool> isHitting)
         {
-            if (!(sprite is TextureAnimation animation))
+            if (bodySprite is TextureAnimation bodyAnimation)
+            {
+                bodyAnimation.GotoFrame(0);
+                bodyAnimation.IsPlaying = isHitting.NewValue;
+            }
+
+            if (lightContainer == null)
                 return;
 
-            animation.GotoFrame(0);
+            if (isHitting.NewValue)
-            animation.IsPlaying = isHitting.NewValue;
+            {
+                // Clear the fade out and, more importantly, the removal.
+                lightContainer.ClearTransforms();
+
+                // Only add the container if the removal has taken place.
+                if (lightContainer.Parent == null)
+                    Column.TopLevelContainer.Add(lightContainer);
+
+                // The light must be seeked only after being loaded, otherwise a nullref occurs (https://github.com/ppy/osu-framework/issues/3847).
+                if (light is TextureAnimation lightAnimation)
+                    lightAnimation.GotoFrame(0);
+
+                lightContainer.FadeIn(80);
+            }
+            else
+            {
+                lightContainer.FadeOut(120)
+                              .OnComplete(d => Column.TopLevelContainer.Remove(d));
+            }
         }
 
         private void onDirectionChanged(ValueChangedEvent<ScrollingDirection> direction)
         {
-            if (sprite == null)
-                return;
-
             if (direction.NewValue == ScrollingDirection.Up)
             {
-                sprite.Origin = Anchor.BottomCentre;
+                if (bodySprite != null)
-                sprite.Scale = new Vector2(1, -1);
+                {
+                    bodySprite.Origin = Anchor.BottomCentre;
+                    bodySprite.Scale = new Vector2(1, -1);
+                }
+
+                if (light != null)
+                    light.Anchor = Anchor.TopCentre;
             }
             else
             {
-                sprite.Origin = Anchor.TopCentre;
+                if (bodySprite != null)
-                sprite.Scale = Vector2.One;
+                {
-            }
+                    bodySprite.Origin = Anchor.TopCentre;
+                    bodySprite.Scale = Vector2.One;
+                }
+
+                if (light != null)
+                    light.Anchor = Anchor.BottomCentre;
+            }
+        }
+
+        protected override void Dispose(bool isDisposing)
+        {
+            base.Dispose(isDisposing);
+
+            lightContainer?.Expire();
         }
     }
 }

osu.Game.Rulesets.Mania/Skinning/LegacyColumnBackground.cs

@@ -5,7 +5,6 @@ using osu.Framework.Allocation;
 using osu.Framework.Bindables;
 using osu.Framework.Graphics;
 using osu.Framework.Graphics.Containers;
-using osu.Framework.Graphics.Shapes;
 using osu.Framework.Graphics.Sprites;
 using osu.Framework.Input.Bindings;
 using osu.Game.Rulesets.UI.Scrolling;
@@ -18,14 +17,12 @@ namespace osu.Game.Rulesets.Mania.Skinning
     public class LegacyColumnBackground : LegacyManiaColumnElement, IKeyBindingHandler<ManiaAction>
     {
         private readonly IBindable<ScrollingDirection> direction = new Bindable<ScrollingDirection>();
-        private readonly bool isLastColumn;
 
         private Container lightContainer;
         private Sprite light;
 
-        public LegacyColumnBackground(bool isLastColumn)
+        public LegacyColumnBackground()
         {
-            this.isLastColumn = isLastColumn;
             RelativeSizeAxes = Axes.Both;
         }
 
@@ -35,52 +32,14 @@ namespace osu.Game.Rulesets.Mania.Skinning
             string lightImage = skin.GetManiaSkinConfig<string>(LegacyManiaSkinConfigurationLookups.LightImage)?.Value
                                 ?? "mania-stage-light";
 
-            float leftLineWidth = GetColumnSkinConfig<float>(skin, LegacyManiaSkinConfigurationLookups.LeftLineWidth)
-                ?.Value ?? 1;
-            float rightLineWidth = GetColumnSkinConfig<float>(skin, LegacyManiaSkinConfigurationLookups.RightLineWidth)
-                ?.Value ?? 1;
-
-            bool hasLeftLine = leftLineWidth > 0;
-            bool hasRightLine = rightLineWidth > 0 && skin.GetConfig<LegacySkinConfiguration.LegacySetting, decimal>(LegacySkinConfiguration.LegacySetting.Version)?.Value >= 2.4m
-                                || isLastColumn;
-
             float lightPosition = GetColumnSkinConfig<float>(skin, LegacyManiaSkinConfigurationLookups.LightPosition)?.Value
                                   ?? 0;
 
-            Color4 lineColour = GetColumnSkinConfig<Color4>(skin, LegacyManiaSkinConfigurationLookups.ColumnLineColour)?.Value
-                                ?? Color4.White;
-
-            Color4 backgroundColour = GetColumnSkinConfig<Color4>(skin, LegacyManiaSkinConfigurationLookups.ColumnBackgroundColour)?.Value
-                                      ?? Color4.Black;
-
             Color4 lightColour = GetColumnSkinConfig<Color4>(skin, LegacyManiaSkinConfigurationLookups.ColumnLightColour)?.Value
                                  ?? Color4.White;
 
-            InternalChildren = new Drawable[]
+            InternalChildren = new[]
             {
-                new Box
-                {
-                    RelativeSizeAxes = Axes.Both,
-                    Colour = backgroundColour
-                },
-                new Box
-                {
-                    RelativeSizeAxes = Axes.Y,
-                    Width = leftLineWidth,
-                    Scale = new Vector2(0.740f, 1),
-                    Colour = lineColour,
-                    Alpha = hasLeftLine ? 1 : 0
-                },
-                new Box
-                {
-                    Anchor = Anchor.TopRight,
-                    Origin = Anchor.TopRight,
-                    RelativeSizeAxes = Axes.Y,
-                    Width = rightLineWidth,
-                    Scale = new Vector2(0.740f, 1),
-                    Colour = lineColour,
-                    Alpha = hasRightLine ? 1 : 0
-                },
                 lightContainer = new Container
                 {
                     Origin = Anchor.BottomCentre,
@@ -90,7 +49,7 @@ namespace osu.Game.Rulesets.Mania.Skinning
                     {
                         Anchor = Anchor.BottomCentre,
                         Origin = Anchor.BottomCentre,
-                        Colour = lightColour,
+                        Colour = LegacyColourCompatibility.DisallowZeroAlpha(lightColour),
                         Texture = skin.GetTexture(lightImage),
                         RelativeSizeAxes = Axes.X,
                         Width = 1,

osu.Game.Rulesets.Mania/Skinning/LegacyHitExplosion.cs

@@ -6,13 +6,16 @@ using osu.Framework.Allocation;
 using osu.Framework.Bindables;
 using osu.Framework.Graphics;
 using osu.Framework.Graphics.Animations;
+using osu.Game.Rulesets.Judgements;
+using osu.Game.Rulesets.Mania.Judgements;
+using osu.Game.Rulesets.Mania.UI;
 using osu.Game.Rulesets.UI.Scrolling;
 using osu.Game.Skinning;
 using osuTK;
 
 namespace osu.Game.Rulesets.Mania.Skinning
 {
-    public class LegacyHitExplosion : LegacyManiaColumnElement
+    public class LegacyHitExplosion : LegacyManiaColumnElement, IHitExplosion
     {
         private readonly IBindable<ScrollingDirection> direction = new Bindable<ScrollingDirection>();
 
@@ -62,9 +65,12 @@ namespace osu.Game.Rulesets.Mania.Skinning
                 explosion.Anchor = direction.NewValue == ScrollingDirection.Up ? Anchor.TopCentre : Anchor.BottomCentre;
         }
 
-        protected override void LoadComplete()
+        public void Animate(JudgementResult result)
         {
-            base.LoadComplete();
+            if (result.Judgement is HoldNoteTickJudgement)
+                return;
+
+            (explosion as IFramedAnimation)?.GotoFrame(0);
 
             explosion?.FadeInFromZero(80)
                      .Then().FadeOut(120);

osu.Game.Rulesets.Mania/Skinning/LegacyHitTarget.cs

@@ -20,11 +20,6 @@ namespace osu.Game.Rulesets.Mania.Skinning
 
         private Container directionContainer;
 
-        public LegacyHitTarget()
-        {
-            RelativeSizeAxes = Axes.Both;
-        }
-
         [BackgroundDependencyLoader]
         private void load(ISkinSource skin, IScrollingInfo scrollingInfo)
         {
@@ -56,7 +51,7 @@ namespace osu.Game.Rulesets.Mania.Skinning
                         Anchor = Anchor.CentreLeft,
                         RelativeSizeAxes = Axes.X,
                         Height = 1,
-                        Colour = lineColour,
+                        Colour = LegacyColourCompatibility.DisallowZeroAlpha(lineColour),
                         Alpha = showJudgementLine ? 0.9f : 0
                     }
                 }

osu.Game.Rulesets.Mania/Skinning/LegacyKeyArea.cs

@@ -65,6 +65,9 @@ namespace osu.Game.Rulesets.Mania.Skinning
 
             direction.BindTo(scrollingInfo.Direction);
             direction.BindValueChanged(onDirectionChanged, true);
+
+            if (GetColumnSkinConfig<bool>(skin, LegacyManiaSkinConfigurationLookups.KeysUnderNotes)?.Value ?? false)
+                Column.UnderlayElements.Add(CreateProxy());
         }
 
         private void onDirectionChanged(ValueChangedEvent<ScrollingDirection> direction)

osu.Game.Rulesets.Mania/Skinning/LegacyNotePiece.cs

@@ -5,6 +5,7 @@ using osu.Framework.Allocation;
 using osu.Framework.Bindables;
 using osu.Framework.Graphics;
 using osu.Framework.Graphics.Containers;
+using osu.Framework.Graphics.OpenGL.Textures;
 using osu.Framework.Graphics.Sprites;
 using osu.Framework.Graphics.Textures;
 using osu.Game.Rulesets.UI.Scrolling;
@@ -92,7 +93,7 @@ namespace osu.Game.Rulesets.Mania.Skinning
             string noteImage = GetColumnSkinConfig<string>(skin, lookup)?.Value
                                ?? $"mania-note{FallbackColumnIndex}{suffix}";
 
-            return skin.GetTexture(noteImage);
+            return skin.GetTexture(noteImage, WrapMode.ClampToEdge, WrapMode.ClampToEdge);
         }
     }
 }

osu.Game.Rulesets.Mania/Skinning/LegacyStageBackground.cs

@@ -4,19 +4,27 @@
 using osu.Framework.Allocation;
 using osu.Framework.Graphics;
 using osu.Framework.Graphics.Containers;
+using osu.Framework.Graphics.Shapes;
 using osu.Framework.Graphics.Sprites;
+using osu.Game.Rulesets.Mania.Beatmaps;
+using osu.Game.Rulesets.Mania.UI;
 using osu.Game.Skinning;
 using osuTK;
+using osuTK.Graphics;
 
 namespace osu.Game.Rulesets.Mania.Skinning
 {
     public class LegacyStageBackground : CompositeDrawable
     {
+        private readonly StageDefinition stageDefinition;
+
         private Drawable leftSprite;
         private Drawable rightSprite;
+        private ColumnFlow<Drawable> columnBackgrounds;
 
-        public LegacyStageBackground()
+        public LegacyStageBackground(StageDefinition stageDefinition)
         {
+            this.stageDefinition = stageDefinition;
             RelativeSizeAxes = Axes.Both;
         }
 
@@ -44,8 +52,19 @@ namespace osu.Game.Rulesets.Mania.Skinning
                     Origin = Anchor.TopLeft,
                     X = -0.05f,
                     Texture = skin.GetTexture(rightImage)
+                },
+                columnBackgrounds = new ColumnFlow<Drawable>(stageDefinition)
+                {
+                    RelativeSizeAxes = Axes.Y
+                },
+                new HitTargetInsetContainer
+                {
+                    Child = new LegacyHitTarget { RelativeSizeAxes = Axes.Both }
                 }
             };
+
+            for (int i = 0; i < stageDefinition.Columns; i++)
+                columnBackgrounds.SetContentForColumn(i, new ColumnBackground(i, i == stageDefinition.Columns - 1));
         }
 
         protected override void Update()
@@ -58,5 +77,72 @@ namespace osu.Game.Rulesets.Mania.Skinning
             if (rightSprite?.Height > 0)
                 rightSprite.Scale = new Vector2(1, DrawHeight / rightSprite.Height);
         }
+
+        private class ColumnBackground : CompositeDrawable
+        {
+            private readonly int columnIndex;
+            private readonly bool isLastColumn;
+
+            public ColumnBackground(int columnIndex, bool isLastColumn)
+            {
+                this.columnIndex = columnIndex;
+                this.isLastColumn = isLastColumn;
+
+                RelativeSizeAxes = Axes.Both;
+            }
+
+            [BackgroundDependencyLoader]
+            private void load(ISkinSource skin)
+            {
+                float leftLineWidth = skin.GetManiaSkinConfig<float>(LegacyManiaSkinConfigurationLookups.LeftLineWidth, columnIndex)?.Value ?? 1;
+                float rightLineWidth = skin.GetManiaSkinConfig<float>(LegacyManiaSkinConfigurationLookups.RightLineWidth, columnIndex)?.Value ?? 1;
+
+                bool hasLeftLine = leftLineWidth > 0;
+                bool hasRightLine = rightLineWidth > 0 && skin.GetConfig<LegacySkinConfiguration.LegacySetting, decimal>(LegacySkinConfiguration.LegacySetting.Version)?.Value >= 2.4m
+                                    || isLastColumn;
+
+                Color4 lineColour = skin.GetManiaSkinConfig<Color4>(LegacyManiaSkinConfigurationLookups.ColumnLineColour, columnIndex)?.Value ?? Color4.White;
+                Color4 backgroundColour = skin.GetManiaSkinConfig<Color4>(LegacyManiaSkinConfigurationLookups.ColumnBackgroundColour, columnIndex)?.Value ?? Color4.Black;
+
+                InternalChildren = new Drawable[]
+                {
+                    LegacyColourCompatibility.ApplyWithDoubledAlpha(new Box
+                    {
+                        RelativeSizeAxes = Axes.Both
+                    }, backgroundColour),
+                    new HitTargetInsetContainer
+                    {
+                        RelativeSizeAxes = Axes.Both,
+                        Children = new[]
+                        {
+                            new Container
+                            {
+                                RelativeSizeAxes = Axes.Y,
+                                Width = leftLineWidth,
+                                Scale = new Vector2(0.740f, 1),
+                                Alpha = hasLeftLine ? 1 : 0,
+                                Child = LegacyColourCompatibility.ApplyWithDoubledAlpha(new Box
+                                {
+                                    RelativeSizeAxes = Axes.Both
+                                }, lineColour)
+                            },
+                            new Container
+                            {
+                                Anchor = Anchor.TopRight,
+                                Origin = Anchor.TopRight,
+                                RelativeSizeAxes = Axes.Y,
+                                Width = rightLineWidth,
+                                Scale = new Vector2(0.740f, 1),
+                                Alpha = hasRightLine ? 1 : 0,
+                                Child = LegacyColourCompatibility.ApplyWithDoubledAlpha(new Box
+                                {
+                                    RelativeSizeAxes = Axes.Both
+                                }, lineColour)
+                            },
+                        }
+                    }
+                };
+            }
+        }
     }
 }

osu.Game.Rulesets.Mania/Skinning/ManiaLegacySkinTransformer.cs

@@ -9,6 +9,7 @@ using osu.Game.Beatmaps;
 using osu.Game.Rulesets.Mania.Beatmaps;
 using osu.Game.Skinning;
 using System.Collections.Generic;
+using System.Diagnostics;
 using osu.Framework.Audio.Sample;
 using osu.Game.Audio;
 using osu.Game.Rulesets.Objects.Legacy;
@@ -88,10 +89,12 @@ namespace osu.Game.Rulesets.Mania.Skinning
                     switch (maniaComponent.Component)
                     {
                         case ManiaSkinComponents.ColumnBackground:
-                            return new LegacyColumnBackground(maniaComponent.TargetColumn == beatmap.TotalColumns - 1);
+                            return new LegacyColumnBackground();
 
                         case ManiaSkinComponents.HitTarget:
-                            return new LegacyHitTarget();
+                            // Legacy skins sandwich the hit target between the column background and the column light.
+                            // To preserve this ordering, it's created manually inside LegacyStageBackground.
+                            return Drawable.Empty();
 
                         case ManiaSkinComponents.KeyArea:
                             return new LegacyKeyArea();
@@ -112,7 +115,8 @@ namespace osu.Game.Rulesets.Mania.Skinning
                             return new LegacyHitExplosion();
 
                         case ManiaSkinComponents.StageBackground:
-                            return new LegacyStageBackground();
+                            Debug.Assert(maniaComponent.StageDefinition != null);
+                            return new LegacyStageBackground(maniaComponent.StageDefinition.Value);
 
                         case ManiaSkinComponents.StageForeground:
                             return new LegacyStageForeground();

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

@@ -9,14 +9,15 @@ using osu.Game.Graphics;
 using osu.Game.Rulesets.Objects.Drawables;
 using osu.Framework.Allocation;
 using osu.Framework.Bindables;
+using osu.Framework.Graphics.Pooling;
 using osu.Framework.Input.Bindings;
 using osu.Game.Rulesets.Judgements;
-using osu.Game.Rulesets.Mania.Objects.Drawables;
 using osu.Game.Rulesets.Mania.UI.Components;
 using osu.Game.Rulesets.UI.Scrolling;
 using osu.Game.Skinning;
 using osuTK;
 using osu.Game.Rulesets.Mania.Beatmaps;
+using osu.Game.Rulesets.Mania.Objects.Drawables;
 
 namespace osu.Game.Rulesets.Mania.UI
 {
@@ -33,11 +34,12 @@ namespace osu.Game.Rulesets.Mania.UI
 
         public readonly Bindable<ManiaAction> Action = new Bindable<ManiaAction>();
 
-        private readonly ColumnHitObjectArea hitObjectArea;
+        public readonly ColumnHitObjectArea HitObjectArea;
-
         internal readonly Container TopLevelContainer;
+        private readonly DrawablePool<PoolableHitExplosion> hitExplosionPool;
+        private readonly OrderedHitPolicy hitPolicy;
 
-        public Container UnderlayElements => hitObjectArea.UnderlayElements;
+        public Container UnderlayElements => HitObjectArea.UnderlayElements;
 
         public Column(int index)
         {
@@ -53,9 +55,10 @@ namespace osu.Game.Rulesets.Mania.UI
 
             InternalChildren = new[]
             {
+                hitExplosionPool = new DrawablePool<PoolableHitExplosion>(5),
                 // For input purposes, the background is added at the highest depth, but is then proxied back below all other elements
                 background.CreateProxy(),
-                hitObjectArea = new ColumnHitObjectArea(Index, HitObjectContainer) { RelativeSizeAxes = Axes.Both },
+                HitObjectArea = new ColumnHitObjectArea(Index, HitObjectContainer) { RelativeSizeAxes = Axes.Both },
                 new SkinnableDrawable(new ManiaSkinComponent(ManiaSkinComponents.KeyArea, Index), _ => new DefaultKeyArea())
                 {
                     RelativeSizeAxes = Axes.Both
@@ -64,10 +67,10 @@ namespace osu.Game.Rulesets.Mania.UI
                 TopLevelContainer = new Container { RelativeSizeAxes = Axes.Both }
             };
 
-            TopLevelContainer.Add(hitObjectArea.Explosions.CreateProxy());
+            hitPolicy = new OrderedHitPolicy(HitObjectContainer);
-        }
 
-        public override Axes RelativeSizeAxes => Axes.Y;
+            TopLevelContainer.Add(HitObjectArea.Explosions.CreateProxy());
+        }
 
         public ColumnType ColumnType { get; set; }
 
@@ -91,6 +94,9 @@ namespace osu.Game.Rulesets.Mania.UI
             hitObject.AccentColour.Value = AccentColour;
             hitObject.OnNewResult += OnNewResult;
 
+            DrawableManiaHitObject maniaObject = (DrawableManiaHitObject)hitObject;
+            maniaObject.CheckHittable = hitPolicy.IsHittable;
+
             HitObjectContainer.Add(hitObject);
         }
 
@@ -105,18 +111,13 @@ namespace osu.Game.Rulesets.Mania.UI
 
         internal void OnNewResult(DrawableHitObject judgedObject, JudgementResult result)
         {
+            if (result.IsHit)
+                hitPolicy.HandleHit(judgedObject);
+
             if (!result.IsHit || !judgedObject.DisplayResult || !DisplayJudgements.Value)
                 return;
 
-            var explosion = new SkinnableDrawable(new ManiaSkinComponent(ManiaSkinComponents.HitExplosion, Index), _ =>
+            HitObjectArea.Explosions.Add(hitExplosionPool.Get(e => e.Apply(result)));
-                new DefaultHitExplosion(judgedObject.AccentColour.Value, judgedObject is DrawableHoldNoteTick))
-            {
-                RelativeSizeAxes = Axes.Both
-            };
-
-            hitObjectArea.Explosions.Add(explosion);
-
-            explosion.Delay(200).Expire(true);
         }
 
         public bool OnPressed(ManiaAction action)

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

@@ -0,0 +1,105 @@
+// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
+// See the LICENCE file in the repository root for full licence text.
+
+using System.Collections.Generic;
+using System.Linq;
+using osu.Framework.Allocation;
+using osu.Framework.Graphics;
+using osu.Framework.Graphics.Containers;
+using osu.Game.Rulesets.Mania.Beatmaps;
+using osu.Game.Rulesets.Mania.Skinning;
+using osu.Game.Skinning;
+
+namespace osu.Game.Rulesets.Mania.UI
+{
+    /// <summary>
+    /// A <see cref="Drawable"/> which flows its contents according to the <see cref="Column"/>s in a <see cref="Stage"/>.
+    /// Content can be added to individual columns via <see cref="SetContentForColumn"/>.
+    /// </summary>
+    /// <typeparam name="TContent">The type of content in each column.</typeparam>
+    public class ColumnFlow<TContent> : CompositeDrawable
+        where TContent : Drawable
+    {
+        /// <summary>
+        /// All contents added to this <see cref="ColumnFlow{TContent}"/>.
+        /// </summary>
+        public IReadOnlyList<TContent> Content => columns.Children.Select(c => c.Count == 0 ? null : (TContent)c.Child).ToList();
+
+        private readonly FillFlowContainer<Container> columns;
+        private readonly StageDefinition stageDefinition;
+
+        public ColumnFlow(StageDefinition stageDefinition)
+        {
+            this.stageDefinition = stageDefinition;
+
+            AutoSizeAxes = Axes.X;
+
+            InternalChild = columns = new FillFlowContainer<Container>
+            {
+                RelativeSizeAxes = Axes.Y,
+                AutoSizeAxes = Axes.X,
+                Direction = FillDirection.Horizontal,
+            };
+
+            for (int i = 0; i < stageDefinition.Columns; i++)
+                columns.Add(new Container { RelativeSizeAxes = Axes.Y });
+        }
+
+        private ISkinSource currentSkin;
+
+        [BackgroundDependencyLoader]
+        private void load(ISkinSource skin)
+        {
+            currentSkin = skin;
+
+            skin.SourceChanged += onSkinChanged;
+            onSkinChanged();
+        }
+
+        private void onSkinChanged()
+        {
+            for (int i = 0; i < stageDefinition.Columns; i++)
+            {
+                if (i > 0)
+                {
+                    float spacing = currentSkin.GetConfig<ManiaSkinConfigurationLookup, float>(
+                                                   new ManiaSkinConfigurationLookup(LegacyManiaSkinConfigurationLookups.ColumnSpacing, i - 1))
+                                               ?.Value ?? Stage.COLUMN_SPACING;
+
+                    columns[i].Margin = new MarginPadding { Left = spacing };
+                }
+
+                float? width = currentSkin.GetConfig<ManiaSkinConfigurationLookup, float>(
+                                              new ManiaSkinConfigurationLookup(LegacyManiaSkinConfigurationLookups.ColumnWidth, i))
+                                          ?.Value;
+
+                if (width == null)
+                    // only used by default skin (legacy skins get defaults set in LegacyManiaSkinConfiguration)
+                    columns[i].Width = stageDefinition.IsSpecialColumn(i) ? Column.SPECIAL_COLUMN_WIDTH : Column.COLUMN_WIDTH;
+                else
+                    columns[i].Width = width.Value;
+            }
+        }
+
+        /// <summary>
+        /// Sets the content of one of the columns of this <see cref="ColumnFlow{TContent}"/>.
+        /// </summary>
+        /// <param name="column">The index of the column to set the content of.</param>
+        /// <param name="content">The content.</param>
+        public void SetContentForColumn(int column, TContent content) => columns[column].Child = content;
+
+        public new MarginPadding Padding
+        {
+            get => base.Padding;
+            set => base.Padding = value;
+        }
+
+        protected override void Dispose(bool isDisposing)
+        {
+            base.Dispose(isDisposing);
+
+            if (currentSkin != null)
+                currentSkin.SourceChanged -= onSkinChanged;
+        }
+    }
+}

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

@@ -4,6 +4,7 @@
 using osu.Framework.Allocation;
 using osu.Framework.Bindables;
 using osu.Framework.Graphics;
+using osu.Framework.Graphics.Containers;
 using osu.Game.Rulesets.Mania.Skinning;
 using osu.Game.Rulesets.UI;
 using osu.Game.Rulesets.UI.Scrolling;
@@ -14,12 +15,14 @@ namespace osu.Game.Rulesets.Mania.UI.Components
     public class HitObjectArea : SkinReloadableDrawable
     {
         protected readonly IBindable<ScrollingDirection> Direction = new Bindable<ScrollingDirection>();
+        public readonly HitObjectContainer HitObjectContainer;
 
         public HitObjectArea(HitObjectContainer hitObjectContainer)
         {
-            InternalChildren = new[]
+            InternalChild = new Container
             {
-                hitObjectContainer,
+                RelativeSizeAxes = Axes.Both,
+                Child = HitObjectContainer = hitObjectContainer
             };
         }
 

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

@@ -8,6 +8,8 @@ using osu.Framework.Graphics;
 using osu.Framework.Graphics.Containers;
 using osu.Framework.Graphics.Effects;
 using osu.Framework.Utils;
+using osu.Game.Rulesets.Judgements;
+using osu.Game.Rulesets.Mania.Judgements;
 using osu.Game.Rulesets.Mania.Objects.Drawables.Pieces;
 using osu.Game.Rulesets.UI.Scrolling;
 using osuTK;
@@ -15,35 +17,36 @@ using osuTK.Graphics;
 
 namespace osu.Game.Rulesets.Mania.UI
 {
-    public class DefaultHitExplosion : CompositeDrawable
+    public class DefaultHitExplosion : CompositeDrawable, IHitExplosion
     {
+        private const float default_large_faint_size = 0.8f;
+
         public override bool RemoveWhenNotAlive => true;
 
+        [Resolved]
+        private Column column { get; set; }
+
         private readonly IBindable<ScrollingDirection> direction = new Bindable<ScrollingDirection>();
 
-        private readonly CircularContainer largeFaint;
+        private CircularContainer largeFaint;
-        private readonly CircularContainer mainGlow1;
+        private CircularContainer mainGlow1;
 
-        public DefaultHitExplosion(Color4 objectColour, bool isSmall = false)
+        public DefaultHitExplosion()
         {
             Origin = Anchor.Centre;
 
             RelativeSizeAxes = Axes.X;
             Height = DefaultNotePiece.NOTE_HEIGHT;
+        }
 
-            // scale roughly in-line with visual appearance of notes
+        [BackgroundDependencyLoader]
-            Scale = new Vector2(1f, 0.6f);
+        private void load(IScrollingInfo scrollingInfo)
-
+        {
-            if (isSmall)
-                Scale *= 0.5f;
-
             const float angle_variangle = 15; // should be less than 45
-
             const float roundness = 80;
-
             const float initial_height = 10;
 
-            var colour = Interpolation.ValueAt(0.4f, objectColour, Color4.White, 0, 1);
+            var colour = Interpolation.ValueAt(0.4f, column.AccentColour, Color4.White, 0, 1);
 
             InternalChildren = new Drawable[]
             {
@@ -54,12 +57,12 @@ namespace osu.Game.Rulesets.Mania.UI
                     RelativeSizeAxes = Axes.Both,
                     Masking = true,
                     // we want our size to be very small so the glow dominates it.
-                    Size = new Vector2(0.8f),
+                    Size = new Vector2(default_large_faint_size),
                     Blending = BlendingParameters.Additive,
                     EdgeEffect = new EdgeEffectParameters
                     {
                         Type = EdgeEffectType.Glow,
-                        Colour = Interpolation.ValueAt(0.1f, objectColour, Color4.White, 0, 1).Opacity(0.3f),
+                        Colour = Interpolation.ValueAt(0.1f, column.AccentColour, Color4.White, 0, 1).Opacity(0.3f),
                         Roundness = 160,
                         Radius = 200,
                     },
@@ -74,7 +77,7 @@ namespace osu.Game.Rulesets.Mania.UI
                     EdgeEffect = new EdgeEffectParameters
                     {
                         Type = EdgeEffectType.Glow,
-                        Colour = Interpolation.ValueAt(0.6f, objectColour, Color4.White, 0, 1),
+                        Colour = Interpolation.ValueAt(0.6f, column.AccentColour, Color4.White, 0, 1),
                         Roundness = 20,
                         Radius = 50,
                     },
@@ -114,30 +117,11 @@ namespace osu.Game.Rulesets.Mania.UI
                     },
                 }
             };
-        }
 
-        [BackgroundDependencyLoader]
-        private void load(IScrollingInfo scrollingInfo)
-        {
             direction.BindTo(scrollingInfo.Direction);
             direction.BindValueChanged(onDirectionChanged, true);
         }
 
-        protected override void LoadComplete()
-        {
-            const double duration = 200;
-
-            base.LoadComplete();
-
-            largeFaint
-                .ResizeTo(largeFaint.Size * new Vector2(5, 1), duration, Easing.OutQuint)
-                .FadeOut(duration * 2);
-
-            mainGlow1.ScaleTo(1.4f, duration, Easing.OutQuint);
-
-            this.FadeOut(duration, Easing.Out);
-        }
-
         private void onDirectionChanged(ValueChangedEvent<ScrollingDirection> direction)
         {
             if (direction.NewValue == ScrollingDirection.Up)
@@ -151,5 +135,29 @@ namespace osu.Game.Rulesets.Mania.UI
                 Y = -DefaultNotePiece.NOTE_HEIGHT / 2;
             }
         }
+
+        public void Animate(JudgementResult result)
+        {
+            // scale roughly in-line with visual appearance of notes
+            Vector2 scale = new Vector2(1, 0.6f);
+
+            if (result.Judgement is HoldNoteTickJudgement)
+                scale *= 0.5f;
+
+            this.ScaleTo(scale);
+
+            largeFaint
+                .ResizeTo(default_large_faint_size)
+                .Then()
+                .ResizeTo(default_large_faint_size * new Vector2(5, 1), PoolableHitExplosion.DURATION, Easing.OutQuint)
+                .FadeOut(PoolableHitExplosion.DURATION * 2);
+
+            mainGlow1
+                .ScaleTo(1)
+                .Then()
+                .ScaleTo(1.4f, PoolableHitExplosion.DURATION, Easing.OutQuint);
+
+            this.FadeOutFromOne(PoolableHitExplosion.DURATION, Easing.Out);
+        }
     }
 }

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

@@ -15,6 +15,10 @@ namespace osu.Game.Rulesets.Mania.UI
         {
         }
 
+        public DrawableManiaJudgement()
+        {
+        }
+
         [BackgroundDependencyLoader]
         private void load()
         {

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

@@ -31,12 +31,12 @@ namespace osu.Game.Rulesets.Mania.UI
         /// <summary>
         /// The minimum time range. This occurs at a <see cref="relativeTimeRange"/> of 40.
         /// </summary>
-        public const double MIN_TIME_RANGE = 150;
+        public const double MIN_TIME_RANGE = 340;
 
         /// <summary>
         /// The maximum time range. This occurs at a <see cref="relativeTimeRange"/> of 1.
         /// </summary>
-        public const double MAX_TIME_RANGE = 6000;
+        public const double MAX_TIME_RANGE = 13720;
 
         protected new ManiaPlayfield Playfield => (ManiaPlayfield)base.Playfield;
 

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

@@ -0,0 +1,19 @@
+// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
+// See the LICENCE file in the repository root for full licence text.
+
+using osu.Game.Rulesets.Judgements;
+
+namespace osu.Game.Rulesets.Mania.UI
+{
+    /// <summary>
+    /// Common interface for all hit explosion bodies.
+    /// </summary>
+    public interface IHitExplosion
+    {
+        /// <summary>
+        /// Begins animating this <see cref="IHitExplosion"/>.
+        /// </summary>
+        /// <param name="result">The type of <see cref="JudgementResult"/> that caused this explosion.</param>
+        void Animate(JudgementResult result);
+    }
+}

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

@@ -0,0 +1,78 @@
+// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
+// See the LICENCE file in the repository root for full licence text.
+
+using System;
+using System.Collections.Generic;
+using osu.Framework.Extensions.IEnumerableExtensions;
+using osu.Game.Rulesets.Mania.Objects.Drawables;
+using osu.Game.Rulesets.Objects;
+using osu.Game.Rulesets.Objects.Drawables;
+using osu.Game.Rulesets.UI;
+
+namespace osu.Game.Rulesets.Mania.UI
+{
+    /// <summary>
+    /// Ensures that only the most recent <see cref="HitObject"/> is hittable, affectionately known as "note lock".
+    /// </summary>
+    public class OrderedHitPolicy
+    {
+        private readonly HitObjectContainer hitObjectContainer;
+
+        public OrderedHitPolicy(HitObjectContainer hitObjectContainer)
+        {
+            this.hitObjectContainer = hitObjectContainer;
+        }
+
+        /// <summary>
+        /// Determines whether a <see cref="DrawableHitObject"/> can be hit at a point in time.
+        /// </summary>
+        /// <remarks>
+        /// Only the most recent <see cref="DrawableHitObject"/> can be hit, a previous hitobject's window cannot extend past the next one.
+        /// </remarks>
+        /// <param name="hitObject">The <see cref="DrawableHitObject"/> to check.</param>
+        /// <param name="time">The time to check.</param>
+        /// <returns>Whether <paramref name="hitObject"/> can be hit at the given <paramref name="time"/>.</returns>
+        public bool IsHittable(DrawableHitObject hitObject, double time)
+        {
+            var nextObject = hitObjectContainer.AliveObjects.GetNext(hitObject);
+            return nextObject == null || time < nextObject.HitObject.StartTime;
+        }
+
+        /// <summary>
+        /// Handles a <see cref="HitObject"/> being hit to potentially miss all earlier <see cref="HitObject"/>s.
+        /// </summary>
+        /// <param name="hitObject">The <see cref="HitObject"/> that was hit.</param>
+        public void HandleHit(DrawableHitObject hitObject)
+        {
+            if (!IsHittable(hitObject, hitObject.HitObject.StartTime + hitObject.Result.TimeOffset))
+                throw new InvalidOperationException($"A {hitObject} was hit before it became hittable!");
+
+            foreach (var obj in enumerateHitObjectsUpTo(hitObject.HitObject.StartTime))
+            {
+                if (obj.Judged)
+                    continue;
+
+                ((DrawableManiaHitObject)obj).MissForcefully();
+            }
+        }
+
+        private IEnumerable<DrawableHitObject> enumerateHitObjectsUpTo(double targetTime)
+        {
+            foreach (var obj in hitObjectContainer.AliveObjects)
+            {
+                if (obj.HitObject.GetEndTime() >= targetTime)
+                    yield break;
+
+                yield return obj;
+
+                foreach (var nestedObj in obj.NestedHitObjects)
+                {
+                    if (nestedObj.HitObject.GetEndTime() >= targetTime)
+                        break;
+
+                    yield return nestedObj;
+                }
+            }
+        }
+    }
+}

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

@@ -0,0 +1,133 @@
+// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
+// See the LICENCE file in the repository root for full licence text.
+
+using osu.Framework.Allocation;
+using osu.Framework.Bindables;
+using osu.Framework.Extensions.Color4Extensions;
+using osu.Framework.Graphics;
+using osu.Framework.Graphics.Colour;
+using osu.Framework.Graphics.Containers;
+using osu.Framework.Graphics.Shapes;
+using osu.Game.Rulesets.UI.Scrolling;
+using osuTK;
+using osuTK.Graphics;
+
+namespace osu.Game.Rulesets.Mania.UI
+{
+    /// <summary>
+    /// A <see cref="Container"/> that has its contents partially hidden by an adjustable "cover". This is intended to be used in a playfield.
+    /// </summary>
+    public class PlayfieldCoveringWrapper : CompositeDrawable
+    {
+        /// <summary>
+        /// The complete cover, including gradient and fill.
+        /// </summary>
+        private readonly Drawable cover;
+
+        /// <summary>
+        /// The gradient portion of the cover.
+        /// </summary>
+        private readonly Box gradient;
+
+        /// <summary>
+        /// The fully-opaque portion of the cover.
+        /// </summary>
+        private readonly Box filled;
+
+        private readonly IBindable<ScrollingDirection> scrollDirection = new Bindable<ScrollingDirection>();
+
+        public PlayfieldCoveringWrapper(Drawable content)
+        {
+            InternalChild = new BufferedContainer
+            {
+                RelativeSizeAxes = Axes.Both,
+                Children = new[]
+                {
+                    content,
+                    cover = new Container
+                    {
+                        Anchor = Anchor.Centre,
+                        Origin = Anchor.Centre,
+                        RelativeSizeAxes = Axes.Both,
+                        Blending = new BlendingParameters
+                        {
+                            // Don't change the destination colour.
+                            RGBEquation = BlendingEquation.Add,
+                            Source = BlendingType.Zero,
+                            Destination = BlendingType.One,
+                            // Subtract the cover's alpha from the destination (points with alpha 1 should make the destination completely transparent).
+                            AlphaEquation = BlendingEquation.Add,
+                            SourceAlpha = BlendingType.Zero,
+                            DestinationAlpha = BlendingType.OneMinusSrcAlpha
+                        },
+                        Children = new Drawable[]
+                        {
+                            gradient = new Box
+                            {
+                                Anchor = Anchor.BottomLeft,
+                                Origin = Anchor.BottomLeft,
+                                RelativeSizeAxes = Axes.Both,
+                                RelativePositionAxes = Axes.Both,
+                                Height = 0.25f,
+                                Colour = ColourInfo.GradientVertical(
+                                    Color4.White.Opacity(0f),
+                                    Color4.White.Opacity(1f)
+                                )
+                            },
+                            filled = new Box
+                            {
+                                Anchor = Anchor.BottomLeft,
+                                Origin = Anchor.BottomLeft,
+                                RelativeSizeAxes = Axes.Both,
+                                Height = 0
+                            }
+                        }
+                    }
+                }
+            };
+        }
+
+        [BackgroundDependencyLoader]
+        private void load(IScrollingInfo scrollingInfo)
+        {
+            scrollDirection.BindTo(scrollingInfo.Direction);
+            scrollDirection.BindValueChanged(onScrollDirectionChanged, true);
+        }
+
+        private void onScrollDirectionChanged(ValueChangedEvent<ScrollingDirection> direction)
+            => cover.Rotation = direction.NewValue == ScrollingDirection.Up ? 0 : 180f;
+
+        /// <summary>
+        /// The relative area that should be completely covered. This does not include the fade.
+        /// </summary>
+        public float Coverage
+        {
+            set
+            {
+                filled.Height = value;
+                gradient.Y = -value;
+            }
+        }
+
+        /// <summary>
+        /// The direction in which the cover expands.
+        /// </summary>
+        public CoverExpandDirection Direction
+        {
+            set => cover.Scale = value == CoverExpandDirection.AlongScroll ? Vector2.One : new Vector2(1, -1);
+        }
+    }
+
+    public enum CoverExpandDirection
+    {
+        /// <summary>
+        /// The cover expands along the scrolling direction.
+        /// </summary>
+        AlongScroll,
+
+        /// <summary>
+        /// The cover expands against the scrolling direction.
+        /// </summary>
+        AgainstScroll
+    }
+}

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

@@ -0,0 +1,51 @@
+// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
+// See the LICENCE file in the repository root for full licence text.
+
+using osu.Framework.Allocation;
+using osu.Framework.Graphics;
+using osu.Framework.Graphics.Pooling;
+using osu.Game.Rulesets.Judgements;
+using osu.Game.Skinning;
+
+namespace osu.Game.Rulesets.Mania.UI
+{
+    public class PoolableHitExplosion : PoolableDrawable
+    {
+        public const double DURATION = 200;
+
+        public JudgementResult Result { get; private set; }
+
+        [Resolved]
+        private Column column { get; set; }
+
+        private SkinnableDrawable skinnableExplosion;
+
+        public PoolableHitExplosion()
+        {
+            RelativeSizeAxes = Axes.Both;
+        }
+
+        [BackgroundDependencyLoader]
+        private void load()
+        {
+            InternalChild = skinnableExplosion = new SkinnableDrawable(new ManiaSkinComponent(ManiaSkinComponents.HitExplosion, column.Index), _ => new DefaultHitExplosion())
+            {
+                RelativeSizeAxes = Axes.Both
+            };
+        }
+
+        public void Apply(JudgementResult result)
+        {
+            Result = result;
+        }
+
+        protected override void PrepareForUse()
+        {
+            base.PrepareForUse();
+
+            (skinnableExplosion?.Drawable as IHitExplosion)?.Animate(Result);
+
+            this.Delay(DURATION).Then().Expire();
+        }
+    }
+}