Merge pull request #1325 from peppy/no-more-dynamic

Remove single usage of dynamic and stop referencing Microsoft.CSharp.dll

.vscode/launch.json

@@ -7,7 +7,7 @@
             },
             "type": "mono",
             "request": "launch",
-            "program": "${workspaceRoot}/osu.Desktop/bin/Debug/osu!.exe",
+            "program": "${workspaceRoot}/osu.Game/bin/Debug/osu!.exe",
             "args": [
                 "--tests"
             ],
@@ -24,7 +24,7 @@
             },
             "type": "mono",
             "request": "launch",
-            "program": "${workspaceRoot}/osu.Desktop/bin/Debug/osu!.exe",
+            "program": "${workspaceRoot}/osu.Game/bin/Debug/osu!.exe",
             "cwd": "${workspaceRoot}",
             "preLaunchTask": "Build (Debug)",
             "runtimeExecutable": null,
@@ -38,7 +38,7 @@
             },
             "type": "mono",
             "request": "launch",
-            "program": "${workspaceRoot}/osu.Desktop/bin/Release/osu!.exe",
+            "program": "${workspaceRoot}/osu.Game/bin/Release/osu!.exe",
             "cwd": "${workspaceRoot}",
             "preLaunchTask": "Build (Release)",
             "runtimeExecutable": null,

osu.Desktop.Deploy/Program.cs

@@ -29,7 +29,7 @@ namespace osu.Desktop.Deploy
         public static string SolutionName = ConfigurationManager.AppSettings["SolutionName"];
         public static string ProjectName = ConfigurationManager.AppSettings["ProjectName"];
         public static string NuSpecName = ConfigurationManager.AppSettings["NuSpecName"];
-        public static string TargetName = ConfigurationManager.AppSettings["TargetName"];
+        public static string TargetNames = ConfigurationManager.AppSettings["TargetName"];
         public static string PackageName = ConfigurationManager.AppSettings["PackageName"];
         public static string IconName = ConfigurationManager.AppSettings["IconName"];
         public static string CodeSigningCertificate = ConfigurationManager.AppSettings["CodeSigningCertificate"];
@@ -100,7 +100,8 @@ namespace osu.Desktop.Deploy
             updateAssemblyInfo(version);
 
             write("Running build process...");
-            runCommand(msbuild_path, $"/v:quiet /m /t:{TargetName.Replace('.', '_')} /p:OutputPath={stagingPath};Configuration=Release {SolutionName}.sln");
+            foreach (string targetName in TargetNames.Split(','))
+                runCommand(msbuild_path, $"/v:quiet /m /t:{targetName.Replace('.', '_')} /p:OutputPath={stagingPath};Targets=\"Clean;Build\";Configuration=Release {SolutionName}.sln");
 
             write("Creating NuGet deployment package...");
             runCommand(nuget_path, $"pack {NuSpecName} -Version {version} -Properties Configuration=Deploy -OutputDirectory {stagingPath} -BasePath {stagingPath}");

osu.Desktop.Deploy/osu.Desktop.Deploy.csproj

@@ -111,10 +111,6 @@
     <None Include="packages.config" />
   </ItemGroup>
   <ItemGroup>
-    <ProjectReference Include="..\osu-framework\osu.Framework.Desktop\osu.Framework.Desktop.csproj">
-      <Project>{65dc628f-a640-4111-ab35-3a5652bc1e17}</Project>
-      <Name>osu.Framework.Desktop</Name>
-    </ProjectReference>
     <ProjectReference Include="..\osu-framework\osu.Framework\osu.Framework.csproj">
       <Project>{C76BF5B3-985E-4D39-95FE-97C9C879B83A}</Project>
       <Name>osu.Framework</Name>

osu.Desktop.Tests/OpenTK.dll.config

@@ -1,25 +0,0 @@
-<configuration>
-  <dllmap os="linux" dll="opengl32.dll" target="libGL.so.1"/>
-  <dllmap os="linux" dll="glu32.dll" target="libGLU.so.1"/>
-  <dllmap os="linux" dll="openal32.dll" target="libopenal.so.1"/>
-  <dllmap os="linux" dll="alut.dll" target="libalut.so.0"/>
-  <dllmap os="linux" dll="opencl.dll" target="libOpenCL.so"/>
-  <dllmap os="linux" dll="libX11" target="libX11.so.6"/>
-  <dllmap os="linux" dll="libXi" target="libXi.so.6"/>
-  <dllmap os="linux" dll="SDL2.dll" target="libSDL2-2.0.so.0"/>
-  <dllmap os="osx" dll="opengl32.dll" target="/System/Library/Frameworks/OpenGL.framework/OpenGL"/>
-  <dllmap os="osx" dll="openal32.dll" target="/System/Library/Frameworks/OpenAL.framework/OpenAL" />
-  <dllmap os="osx" dll="alut.dll" target="/System/Library/Frameworks/OpenAL.framework/OpenAL" />
-  <dllmap os="osx" dll="libGLES.dll" target="/System/Library/Frameworks/OpenGLES.framework/OpenGLES" />
-  <dllmap os="osx" dll="libGLESv1_CM.dll" target="/System/Library/Frameworks/OpenGLES.framework/OpenGLES" />
-  <dllmap os="osx" dll="libGLESv2.dll" target="/System/Library/Frameworks/OpenGLES.framework/OpenGLES" />
-  <dllmap os="osx" dll="opencl.dll" target="/System/Library/Frameworks/OpenCL.framework/OpenCL"/>
-  <dllmap os="osx" dll="SDL2.dll" target="libSDL2.dylib"/>
-  <!-- XQuartz compatibility (X11 on Mac) -->
-  <dllmap os="osx" dll="libGL.so.1" target="/usr/X11/lib/libGL.dylib"/>
-  <dllmap os="osx" dll="libX11" target="/usr/X11/lib/libX11.dylib"/>
-  <dllmap os="osx" dll="libXcursor.so.1" target="/usr/X11/lib/libXcursor.dylib"/>
-  <dllmap os="osx" dll="libXi" target="/usr/X11/lib/libXi.dylib"/>
-  <dllmap os="osx" dll="libXinerama" target="/usr/X11/lib/libXinerama.dylib"/>
-  <dllmap os="osx" dll="libXrandr.so.2" target="/usr/X11/lib/libXrandr.dylib"/>
-</configuration>

osu.Desktop.Tests/app.config

@@ -1,11 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<configuration>
-  <runtime>
-    <assemblyBinding xmlns="urn:schemas-microsoft-com:asm.v1">
-      <dependentAssembly>
-        <assemblyIdentity name="Newtonsoft.Json" publicKeyToken="30ad4fe6b2a6aeed" culture="neutral" />
-        <bindingRedirect oldVersion="0.0.0.0-10.0.0.0" newVersion="10.0.0.0" />
-      </dependentAssembly>
-    </assemblyBinding>
-  </runtime>
-</configuration>

osu.Desktop.Tests/osu.Desktop.Tests.csproj

@@ -1,178 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<Project ToolsVersion="14.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
-  <Import Project="$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props" Condition="Exists('$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props')" />
-  <PropertyGroup>
-    <Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
-    <Platform Condition=" '$(Platform)' == '' ">AnyCPU</Platform>
-    <ProjectGuid>{230AC4F3-7783-49FB-9AEC-B83CDA3B9F3D}</ProjectGuid>
-    <OutputType>Library</OutputType>
-    <AppDesignerFolder>Properties</AppDesignerFolder>
-    <RootNamespace>osu.Desktop.Tests</RootNamespace>
-    <AssemblyName>osu.Desktop.Tests</AssemblyName>
-    <TargetFrameworkVersion>v4.6.1</TargetFrameworkVersion>
-    <FileAlignment>512</FileAlignment>
-  </PropertyGroup>
-  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
-    <DebugSymbols>true</DebugSymbols>
-    <DebugType>full</DebugType>
-    <Optimize>false</Optimize>
-    <OutputPath>bin\Debug\</OutputPath>
-    <DefineConstants>DEBUG;TRACE</DefineConstants>
-    <ErrorReport>prompt</ErrorReport>
-    <WarningLevel>4</WarningLevel>
-    <TreatWarningsAsErrors>false</TreatWarningsAsErrors>
-    <LangVersion>6</LangVersion>
-  </PropertyGroup>
-  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' ">
-    <DebugType>pdbonly</DebugType>
-    <Optimize>true</Optimize>
-    <OutputPath>bin\Release\</OutputPath>
-    <DefineConstants>TRACE</DefineConstants>
-    <ErrorReport>prompt</ErrorReport>
-    <WarningLevel>4</WarningLevel>
-    <TreatWarningsAsErrors>false</TreatWarningsAsErrors>
-  </PropertyGroup>
-  <ItemGroup>
-    <Reference Include="mscorlib" />
-    <Reference Include="Newtonsoft.Json, Version=10.0.0.0, Culture=neutral, PublicKeyToken=30ad4fe6b2a6aeed, processorArchitecture=MSIL">
-      <HintPath>$(SolutionDir)\packages\Newtonsoft.Json.10.0.3\lib\net45\Newtonsoft.Json.dll</HintPath>
-      <Private>True</Private>
-    </Reference>
-    <Reference Include="nunit.framework, Version=3.8.1.0, Culture=neutral, PublicKeyToken=2638cd05610744eb, processorArchitecture=MSIL">
-      <HintPath>$(SolutionDir)\packages\NUnit.3.8.1\lib\net45\nunit.framework.dll</HintPath>
-      <Private>True</Private>
-    </Reference>
-    <Reference Include="OpenTK, Version=3.0.0.0, Culture=neutral, PublicKeyToken=bad199fe84eb3df4, processorArchitecture=MSIL">
-      <HintPath>$(SolutionDir)\packages\OpenTK.3.0.0-git00009\lib\net20\OpenTK.dll</HintPath>
-      <Private>True</Private>
-    </Reference>
-    <Reference Include="SQLite.Net, Version=3.1.0.0, Culture=neutral, processorArchitecture=MSIL">
-      <SpecificVersion>False</SpecificVersion>
-      <HintPath>$(SolutionDir)\packages\SQLite.Net.Core-PCL.3.1.1\lib\portable-win8+net45+wp8+wpa81+MonoAndroid1+MonoTouch1\SQLite.Net.dll</HintPath>
-    </Reference>
-    <Reference Include="System" />
-    <Reference Include="SQLiteNetExtensions">
-      <HintPath>$(SolutionDir)\packages\SQLiteNetExtensions.1.3.0\lib\portable-net45+netcore45+wpa81+wp8+MonoAndroid1+MonoTouch1\SQLiteNetExtensions.dll</HintPath>
-    </Reference>
-    <Reference Include="SQLite.Net.Platform.Win32">
-      <HintPath>$(SolutionDir)\packages\SQLite.Net-PCL.3.1.1\lib\net4\SQLite.Net.Platform.Win32.dll</HintPath>
-    </Reference>
-    <Reference Include="SQLite.Net.Platform.Generic">
-      <HintPath>$(SolutionDir)\packages\SQLite.Net-PCL.3.1.1\lib\net40\SQLite.Net.Platform.Generic.dll</HintPath>
-    </Reference>
-    <Reference Include="System.Drawing" />
-    <Reference Include="System.Xml" />
-  </ItemGroup>
-  <ItemGroup>
-    <Compile Include="Beatmaps\TestWorkingBeatmap.cs" />
-    <Compile Include="Platform\TestStorage.cs" />
-    <Compile Include="Visual\OsuTestCase.cs" />
-    <Compile Include="Visual\TestCaseBeatmapDetailArea.cs" />
-    <Compile Include="Visual\TestCaseBeatmapDetails.cs" />
-    <Compile Include="Visual\TestCaseBeatmapOptionsOverlay.cs" />
-    <Compile Include="Visual\TestCaseBeatSyncedContainer.cs" />
-    <Compile Include="Visual\TestCaseBreadcrumbs.cs" />
-    <Compile Include="Visual\TestCaseCatcher.cs" />
-    <Compile Include="Visual\TestCaseChatDisplay.cs" />
-    <Compile Include="Visual\TestCaseContextMenu.cs" />
-    <Compile Include="Visual\TestCaseDialogOverlay.cs" />
-    <Compile Include="Visual\TestCaseDirect.cs" />
-    <Compile Include="Visual\TestCaseDrawableRoom.cs" />
-    <Compile Include="Visual\TestCaseDrawings.cs" />
-    <Compile Include="Visual\TestCaseGamefield.cs" />
-    <Compile Include="Visual\TestCaseGraph.cs" />
-    <Compile Include="Visual\TestCaseHitObjects.cs" />
-    <Compile Include="Visual\TestCaseKeyConfiguration.cs" />
-    <Compile Include="Visual\TestCaseKeyCounter.cs" />
-    <Compile Include="Visual\TestCaseLeaderboard.cs" />
-    <Compile Include="Visual\TestCaseManiaHitObjects.cs" />
-    <Compile Include="Visual\TestCaseManiaPlayfield.cs" />
-    <Compile Include="Visual\TestCaseMedalOverlay.cs" />
-    <Compile Include="Visual\TestCaseEditorMenuBar.cs" />
-    <Compile Include="Visual\TestCaseMenuButtonSystem.cs" />
-    <Compile Include="Visual\TestCaseMenuOverlays.cs" />
-    <Compile Include="Visual\TestCaseMods.cs" />
-    <Compile Include="Visual\TestCaseStoryboard.cs" />
-    <Compile Include="Visual\TestCaseMusicController.cs" />
-    <Compile Include="Visual\TestCaseNotificationOverlay.cs" />
-    <Compile Include="Visual\TestCaseOnScreenDisplay.cs" />
-    <Compile Include="Visual\TestCasePlayer.cs" />
-    <Compile Include="Visual\TestCasePlaySongSelect.cs" />
-    <Compile Include="Visual\TestCaseReplay.cs" />
-    <Compile Include="Visual\TestCaseReplaySettingsOverlay.cs" />
-    <Compile Include="Visual\TestCaseResults.cs" />
-    <Compile Include="Visual\TestCaseRoomInspector.cs" />
-    <Compile Include="Visual\TestCaseScoreCounter.cs" />
-    <Compile Include="Visual\TestCaseScrollingPlayfield.cs" />
-    <Compile Include="Visual\TestCaseSettings.cs" />
-    <Compile Include="Visual\TestCaseSkipButton.cs" />
-    <Compile Include="Visual\TestCaseSocial.cs" />
-    <Compile Include="Visual\TestCaseSongProgress.cs" />
-    <Compile Include="Visual\TestCaseTabControl.cs" />
-    <Compile Include="Visual\TestCaseTaikoPlayfield.cs" />
-    <Compile Include="Visual\TestCaseTextAwesome.cs" />
-    <Compile Include="Visual\TestCaseTwoLayerButton.cs" />
-    <Compile Include="Visual\TestCaseUserPanel.cs" />
-    <Compile Include="Visual\TestCaseUserProfile.cs" />
-  </ItemGroup>
-  <ItemGroup>
-    <ProjectReference Include="..\osu-framework\osu.Framework.Desktop\osu.Framework.Desktop.csproj">
-      <Project>{65DC628F-A640-4111-AB35-3A5652BC1E17}</Project>
-      <Name>osu.Framework.Desktop</Name>
-    </ProjectReference>
-    <ProjectReference Include="..\osu-framework\osu.Framework.Testing\osu.Framework.Testing.csproj">
-      <Project>{007b2356-ab6f-4bd9-96d5-116fc2dce69a}</Project>
-      <Name>osu.Framework.Testing</Name>
-    </ProjectReference>
-    <ProjectReference Include="..\osu-framework\osu.Framework\osu.Framework.csproj">
-      <Project>{C76BF5B3-985E-4D39-95FE-97C9C879B83A}</Project>
-      <Name>osu.Framework</Name>
-    </ProjectReference>
-    <ProjectReference Include="..\osu-resources\osu.Game.Resources\osu.Game.Resources.csproj">
-      <Project>{d9a367c9-4c1a-489f-9b05-a0cea2b53b58}</Project>
-      <Name>osu.Game.Resources</Name>
-    </ProjectReference>
-    <ProjectReference Include="..\osu.Game.Rulesets.Catch\osu.Game.Rulesets.Catch.csproj">
-      <Project>{58F6C80C-1253-4A0E-A465-B8C85EBEADF3}</Project>
-      <Name>osu.Game.Rulesets.Catch</Name>
-    </ProjectReference>
-    <ProjectReference Include="..\osu.Game.Rulesets.Mania\osu.Game.Rulesets.Mania.csproj">
-      <Project>{48F4582B-7687-4621-9CBE-5C24197CB536}</Project>
-      <Name>osu.Game.Rulesets.Mania</Name>
-    </ProjectReference>
-    <ProjectReference Include="..\osu.Game.Rulesets.Osu\osu.Game.Rulesets.Osu.csproj">
-      <Project>{C92A607B-1FDD-4954-9F92-03FF547D9080}</Project>
-      <Name>osu.Game.Rulesets.Osu</Name>
-    </ProjectReference>
-    <ProjectReference Include="..\osu.Game.Rulesets.Taiko\osu.Game.Rulesets.Taiko.csproj">
-      <Project>{F167E17A-7DE6-4AF5-B920-A5112296C695}</Project>
-      <Name>osu.Game.Rulesets.Taiko</Name>
-    </ProjectReference>
-    <ProjectReference Include="..\osu.Game\osu.Game.csproj">
-      <Project>{0D3FBF8A-7464-4CF7-8C90-3E7886DF2D4D}</Project>
-      <Name>osu.Game</Name>
-    </ProjectReference>
-  </ItemGroup>
-  <ItemGroup>
-    <None Include="..\osu.licenseheader">
-      <Link>osu.licenseheader</Link>
-    </None>
-    <None Include="app.config" />
-    <None Include="OpenTK.dll.config" />
-    <None Include="packages.config" />
-  </ItemGroup>
-  <ItemGroup>
-    <Folder Include="Properties\" />
-  </ItemGroup>
-  <ItemGroup>
-    <Service Include="{82A7F48D-3B50-4B1E-B82E-3ADA8210C358}" />
-  </ItemGroup>
-  <Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
-  <!-- To modify your build process, add your task inside one of the targets below and uncomment it.
-       Other similar extension points exist, see Microsoft.Common.targets.
-  <Target Name="BeforeBuild">
-  </Target>
-  <Target Name="AfterBuild">
-  </Target>
-  -->
-</Project>

osu.Desktop.Tests/packages.config

@@ -1,13 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<!--
-Copyright (c) 2007-2017 ppy Pty Ltd <contact@ppy.sh>.
-Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
--->
-<packages>
-  <package id="Newtonsoft.Json" version="10.0.3" targetFramework="net461" />
-  <package id="NUnit" version="3.8.1" targetFramework="net461" />
-  <package id="OpenTK" version="3.0.0-git00009" targetFramework="net461" />
-  <package id="SQLite.Net.Core-PCL" version="3.1.1" targetFramework="net45" />
-  <package id="SQLite.Net-PCL" version="3.1.1" targetFramework="net45" />
-  <package id="SQLiteNetExtensions" version="1.3.0" targetFramework="net45" />
-</packages>

osu.Desktop.VisualTests/OpenTK.dll.config

@@ -1,29 +0,0 @@
-<!--
-Copyright (c) 2007-2017 ppy Pty Ltd <contact@ppy.sh>.
-Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
--->
-<configuration>
-  <dllmap os="linux" dll="opengl32.dll" target="libGL.so.1"/>
-  <dllmap os="linux" dll="glu32.dll" target="libGLU.so.1"/>
-  <dllmap os="linux" dll="openal32.dll" target="libopenal.so.1"/>
-  <dllmap os="linux" dll="alut.dll" target="libalut.so.0"/>
-  <dllmap os="linux" dll="opencl.dll" target="libOpenCL.so"/>
-  <dllmap os="linux" dll="libX11" target="libX11.so.6"/>
-  <dllmap os="linux" dll="libXi" target="libXi.so.6"/>
-  <dllmap os="linux" dll="SDL2.dll" target="libSDL2-2.0.so.0"/>
-  <dllmap os="osx" dll="opengl32.dll" target="/System/Library/Frameworks/OpenGL.framework/OpenGL"/>
-  <dllmap os="osx" dll="openal32.dll" target="/System/Library/Frameworks/OpenAL.framework/OpenAL" />
-  <dllmap os="osx" dll="alut.dll" target="/System/Library/Frameworks/OpenAL.framework/OpenAL" />
-  <dllmap os="osx" dll="libGLES.dll" target="/System/Library/Frameworks/OpenGLES.framework/OpenGLES" />
-  <dllmap os="osx" dll="libGLESv1_CM.dll" target="/System/Library/Frameworks/OpenGLES.framework/OpenGLES" />
-  <dllmap os="osx" dll="libGLESv2.dll" target="/System/Library/Frameworks/OpenGLES.framework/OpenGLES" />
-  <dllmap os="osx" dll="opencl.dll" target="/System/Library/Frameworks/OpenCL.framework/OpenCL"/>
-  <dllmap os="osx" dll="SDL2.dll" target="libSDL2.dylib"/>
-  <!-- XQuartz compatibility (X11 on Mac) -->
-  <dllmap os="osx" dll="libGL.so.1" target="/usr/X11/lib/libGL.dylib"/>
-  <dllmap os="osx" dll="libX11" target="/usr/X11/lib/libX11.dylib"/>
-  <dllmap os="osx" dll="libXcursor.so.1" target="/usr/X11/lib/libXcursor.dylib"/>
-  <dllmap os="osx" dll="libXi" target="/usr/X11/lib/libXi.dylib"/>
-  <dllmap os="osx" dll="libXinerama" target="/usr/X11/lib/libXinerama.dylib"/>
-  <dllmap os="osx" dll="libXrandr.so.2" target="/usr/X11/lib/libXrandr.dylib"/>
-</configuration>

osu.Desktop.VisualTests/Program.cs

@@ -1,27 +0,0 @@
-// Copyright (c) 2007-2017 ppy Pty Ltd <contact@ppy.sh>.
-// Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
-
-using System;
-using osu.Framework.Desktop;
-using osu.Framework.Platform;
-using osu.Framework.VisualTests;
-
-namespace osu.Desktop.VisualTests
-{
-    public static class Program
-    {
-        [STAThread]
-        public static void Main(string[] args)
-        {
-            bool benchmark = args.Length > 0 && args[0] == @"-benchmark";
-
-            using (GameHost host = Host.GetSuitableHost(@"osu"))
-            {
-                if (benchmark)
-                    host.Run(new AutomatedVisualTestGame());
-                else
-                    host.Run(new VisualTestGame());
-            }
-        }
-    }
-}

osu.Desktop.VisualTests/VisualTestGame.cs

@@ -1,35 +0,0 @@
-// Copyright (c) 2007-2017 ppy Pty Ltd <contact@ppy.sh>.
-// Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
-
-using osu.Framework.Platform;
-using osu.Framework.VisualTests;
-using osu.Game;
-using osu.Game.Screens.Backgrounds;
-
-namespace osu.Desktop.VisualTests
-{
-    internal class VisualTestGame : OsuGameBase
-    {
-        protected override void LoadComplete()
-        {
-            base.LoadComplete();
-
-            LoadComponentAsync(new BackgroundScreenDefault { Depth = 10 }, AddInternal);
-
-            // Have to construct this here, rather than in the constructor, because
-            // we depend on some dependencies to be loaded within OsuGameBase.load().
-            Add(new TestBrowser());
-        }
-
-        public override void SetHost(GameHost host)
-        {
-            base.SetHost(host);
-
-            host.UpdateThread.InactiveHz = host.UpdateThread.ActiveHz;
-            host.DrawThread.InactiveHz = host.DrawThread.ActiveHz;
-            host.InputThread.InactiveHz = host.InputThread.ActiveHz;
-
-            host.Window.CursorState |= CursorState.Hidden;
-        }
-    }
-}

osu.Desktop.VisualTests/osu.Desktop.VisualTests.csproj

@@ -1,214 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<Project DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003" ToolsVersion="4.0">
-  <PropertyGroup>
-    <ProjectGuid>{69051C69-12AE-4E7D-A3E6-460D2E282312}</ProjectGuid>
-    <Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
-    <Platform Condition=" '$(Platform)' == '' ">AnyCPU</Platform>
-    <OutputType>WinExe</OutputType>
-    <AppDesignerFolder>Properties</AppDesignerFolder>
-    <RootNamespace>osu.Desktop.VisualTests</RootNamespace>
-    <AssemblyName>osu!</AssemblyName>
-    <ManifestCertificateThumbprint>3CF060CD28877D0E3112948951A64B2A7CEEC909</ManifestCertificateThumbprint>
-    <ManifestKeyFile>codesigning.pfx</ManifestKeyFile>
-    <GenerateManifests>false</GenerateManifests>
-    <SignManifests>false</SignManifests>
-    <IsWebBootstrapper>false</IsWebBootstrapper>
-    <FileUpgradeFlags>
-    </FileUpgradeFlags>
-    <OldToolsVersion>3.5</OldToolsVersion>
-    <UpgradeBackupLocation>
-    </UpgradeBackupLocation>
-    <StartupObject>osu.Desktop.VisualTests.Program</StartupObject>
-    <RunPostBuildEvent>OnOutputUpdated</RunPostBuildEvent>
-    <SignAssembly>false</SignAssembly>
-    <TargetZone>LocalIntranet</TargetZone>
-    <TargetFrameworkVersion>v4.6.1</TargetFrameworkVersion>
-    <AutoGenerateBindingRedirects>true</AutoGenerateBindingRedirects>
-    <PublishUrl>publish\</PublishUrl>
-    <Install>true</Install>
-    <InstallFrom>Disk</InstallFrom>
-    <UpdateEnabled>false</UpdateEnabled>
-    <UpdateMode>Foreground</UpdateMode>
-    <UpdateInterval>7</UpdateInterval>
-    <UpdateIntervalUnits>Days</UpdateIntervalUnits>
-    <UpdatePeriodically>false</UpdatePeriodically>
-    <UpdateRequired>false</UpdateRequired>
-    <MapFileExtensions>true</MapFileExtensions>
-    <ApplicationRevision>2</ApplicationRevision>
-    <ApplicationVersion>1.0.0.%2a</ApplicationVersion>
-    <UseApplicationTrust>false</UseApplicationTrust>
-    <BootstrapperEnabled>true</BootstrapperEnabled>
-    <ProductVersion>12.0.0</ProductVersion>
-    <SchemaVersion>2.0</SchemaVersion>
-    <TargetFrameworkProfile>
-    </TargetFrameworkProfile>
-    <NuGetPackageImportStamp>
-    </NuGetPackageImportStamp>
-  </PropertyGroup>
-  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
-    <DebugSymbols>true</DebugSymbols>
-    <DebugType>full</DebugType>
-    <Optimize>false</Optimize>
-    <OutputPath>bin\Debug\</OutputPath>
-    <DefineConstants>DEBUG</DefineConstants>
-    <ErrorReport>prompt</ErrorReport>
-    <WarningLevel>0</WarningLevel>
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-[assembly: AssemblyDescription("click the circles. to the beat.")]
-[assembly: AssemblyConfiguration("")]
-[assembly: AssemblyCompany("ppy Pty Ltd")]
-[assembly: AssemblyProduct("osu!lazer")]
-[assembly: AssemblyCopyright("ppy Pty Ltd 2007-2017")]
-[assembly: AssemblyTrademark("")]
-[assembly: AssemblyCulture("")]
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-    <BootstrapperPackage Include="Microsoft.Net.Framework.3.5">
-      <Visible>False</Visible>
-      <ProductName>.NET Framework 3.5</ProductName>
-      <Install>false</Install>
-    </BootstrapperPackage>
-    <BootstrapperPackage Include="Microsoft.Net.Framework.3.5.SP1">
-      <Visible>False</Visible>
-      <ProductName>.NET Framework 3.5 SP1</ProductName>
-      <Install>false</Install>
-    </BootstrapperPackage>
-  </ItemGroup>
-  <ItemGroup>
-    <ProjectReference Include="..\osu-framework\osu.Framework.Desktop\osu.Framework.Desktop.csproj">
-      <Project>{65dc628f-a640-4111-ab35-3a5652bc1e17}</Project>
-      <Name>osu.Framework.Desktop</Name>
-    </ProjectReference>
-    <ProjectReference Include="..\osu-framework\osu.Framework.Testing\osu.Framework.Testing.csproj">
-      <Project>{007B2356-AB6F-4BD9-96D5-116FC2DCE69A}</Project>
-      <Name>osu.Framework.Testing</Name>
-    </ProjectReference>
-    <ProjectReference Include="..\osu-framework\osu.Framework\osu.Framework.csproj">
-      <Project>{c76bf5b3-985e-4d39-95fe-97c9c879b83a}</Project>
-      <Name>osu.Framework</Name>
-    </ProjectReference>
-    <ProjectReference Include="..\osu-resources\osu.Game.Resources\osu.Game.Resources.csproj">
-      <Project>{d9a367c9-4c1a-489f-9b05-a0cea2b53b58}</Project>
-      <Name>osu.Game.Resources</Name>
-    </ProjectReference>
-    <ProjectReference Include="..\osu.Desktop.Tests\osu.Desktop.Tests.csproj">
-      <Project>{230ac4f3-7783-49fb-9aec-b83cda3b9f3d}</Project>
-      <Name>osu.Desktop.Tests</Name>
-    </ProjectReference>
-    <ProjectReference Include="..\osu.Game.Rulesets.Osu\osu.Game.Rulesets.Osu.csproj">
-      <Project>{c92a607b-1fdd-4954-9f92-03ff547d9080}</Project>
-      <Name>osu.Game.Rulesets.Osu</Name>
-    </ProjectReference>
-    <ProjectReference Include="..\osu.Game.Rulesets.Catch\osu.Game.Rulesets.Catch.csproj">
-      <Project>{58f6c80c-1253-4a0e-a465-b8c85ebeadf3}</Project>
-      <Name>osu.Game.Rulesets.Catch</Name>
-    </ProjectReference>
-    <ProjectReference Include="..\osu.Game.Rulesets.Mania\osu.Game.Rulesets.Mania.csproj">
-      <Project>{48f4582b-7687-4621-9cbe-5c24197cb536}</Project>
-      <Name>osu.Game.Rulesets.Mania</Name>
-    </ProjectReference>
-    <ProjectReference Include="..\osu.Game.Rulesets.Taiko\osu.Game.Rulesets.Taiko.csproj">
-      <Project>{f167e17a-7de6-4af5-b920-a5112296c695}</Project>
-      <Name>osu.Game.Rulesets.Taiko</Name>
-    </ProjectReference>
-    <ProjectReference Include="..\osu.Game\osu.Game.csproj">
-      <Project>{0d3fbf8a-7464-4cf7-8c90-3e7886df2d4d}</Project>
-      <Name>osu.Game</Name>
-    </ProjectReference>
-  </ItemGroup>
-  <ItemGroup>
-    <Compile Include="OsuGameDesktop.cs" />
-    <Compile Include="OsuTestBrowser.cs" />
-    <Compile Include="Overlays\VersionManager.cs" />
-    <Compile Include="Program.cs" />
-    <Compile Include="Properties\AssemblyInfo.cs" />
-  </ItemGroup>
-  <ItemGroup>
-    <EmbeddedResource Include="lazer.ico" />
-  </ItemGroup>
-  <Import Project="$(MSBuildBinPath)\Microsoft.CSharp.targets" />
-  <!-- To modify your build process, add your task inside one of the targets below and uncomment it.
-       Other similar extension points exist, see Microsoft.Common.targets.
-  <Target Name="BeforeBuild">
-  </Target>
-  <Target Name="AfterBuild">
-  </Target>
-  -->
-  <ProjectExtensions>
-    <VisualStudio>
-    </VisualStudio>
-  </ProjectExtensions>
-  <PropertyGroup>
-    <PreBuildEvent>
-    </PreBuildEvent>
-  </PropertyGroup>
-  <PropertyGroup>
-    <PostBuildEvent>
-    </PostBuildEvent>
-  </PropertyGroup>
-</Project>

osu.Desktop/packages.config

@@ -1,14 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<!--
-Copyright (c) 2007-2017 ppy Pty Ltd <contact@ppy.sh>.
-Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
--->
-<packages>
-  <package id="DeltaCompressionDotNet" version="1.1.0" targetFramework="net45" />
-  <package id="Microsoft.Net.Http" version="2.2.29" targetFramework="net45" />
-  <package id="Mono.Cecil" version="0.9.6.4" targetFramework="net45" />
-  <package id="OpenTK" version="3.0.0-git00009" targetFramework="net461" />
-  <package id="SharpCompress" version="0.18.1" targetFramework="net461" />
-  <package id="Splat" version="2.0.0" targetFramework="net45" />
-  <package id="squirrel.windows" version="1.7.8" targetFramework="net461" />
-</packages>

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

@@ -6,7 +6,6 @@ using osu.Game.Rulesets.Catch.Objects;
 using System.Collections.Generic;
 using System;
 using osu.Game.Rulesets.Objects.Types;
-using osu.Game.Rulesets.Beatmaps;
 using osu.Game.Rulesets.Objects;
 using osu.Game.Rulesets.Osu.UI;
 
@@ -24,7 +23,8 @@ namespace osu.Game.Rulesets.Catch.Beatmaps
             yield return new Fruit
             {
                 StartTime = obj.StartTime,
-                Position = ((IHasXPosition)obj).X / OsuPlayfield.BASE_SIZE.X
+                NewCombo = (obj as IHasCombo)?.NewCombo ?? false,
+                X = ((IHasXPosition)obj).X / OsuPlayfield.BASE_SIZE.X
             };
         }
     }

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

@@ -0,0 +1,38 @@
+// Copyright (c) 2007-2017 ppy Pty Ltd <contact@ppy.sh>.
+// Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
+
+using osu.Game.Beatmaps;
+using osu.Game.Rulesets.Catch.Objects;
+
+namespace osu.Game.Rulesets.Catch.Beatmaps
+{
+    internal class CatchBeatmapProcessor : BeatmapProcessor<CatchBaseHit>
+    {
+        public override void PostProcess(Beatmap<CatchBaseHit> beatmap)
+        {
+            if (beatmap.ComboColors.Count == 0)
+                return;
+
+            int comboIndex = 0;
+            int colourIndex = 0;
+
+            CatchBaseHit lastObj = null;
+
+            foreach (var obj in beatmap.HitObjects)
+            {
+                if (obj.NewCombo)
+                {
+                    if (lastObj != null) lastObj.LastInCombo = true;
+
+                    comboIndex = 0;
+                    colourIndex = (colourIndex + 1) % beatmap.ComboColors.Count;
+                }
+
+                obj.ComboIndex = comboIndex++;
+                obj.ComboColour = beatmap.ComboColors[colourIndex];
+
+                lastObj = obj;
+            }
+        }
+    }
+}

osu.Game.Rulesets.Catch/CatchDifficultyCalculator.cs

@@ -2,7 +2,6 @@
 // Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
 
 using osu.Game.Beatmaps;
-using osu.Game.Rulesets.Beatmaps;
 using osu.Game.Rulesets.Catch.Beatmaps;
 using osu.Game.Rulesets.Catch.Objects;
 using System.Collections.Generic;

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

@@ -17,7 +17,7 @@ namespace osu.Game.Rulesets.Catch.Mods
 
     public class CatchModHidden : ModHidden
     {
-        public override string Description => @"Play with no approach circles and fading notes for a slight score advantage.";
+        public override string Description => @"Play with fading notes for a slight score advantage.";
         public override double ScoreMultiplier => 1.06;
     }
 

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

@@ -2,11 +2,23 @@
 // Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
 
 using osu.Game.Rulesets.Objects;
+using osu.Game.Rulesets.Objects.Types;
+using OpenTK.Graphics;
 
 namespace osu.Game.Rulesets.Catch.Objects
 {
-    public abstract class CatchBaseHit : HitObject
+    public abstract class CatchBaseHit : HitObject, IHasXPosition, IHasCombo
     {
-        public float Position { get; set; }
+        public float X { get; set; }
+
+        public Color4 ComboColour { get; set; } = Color4.Gray;
+        public int ComboIndex { get; set; }
+
+        public virtual bool NewCombo { get; set; }
+
+        /// <summary>
+        /// The next fruit starts a new combo. Used for explodey.
+        /// </summary>
+        public virtual bool LastInCombo { get; set; }
     }
 }

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

@@ -18,7 +18,7 @@ namespace osu.Game.Rulesets.Catch.Objects.Drawable
 {
     public class DrawableFruit : DrawableScrollingHitObject<CatchBaseHit>
     {
-        private const float pulp_size = 30;
+        private const float pulp_size = 20;
 
         private class Pulp : Circle, IHasAccentColour
         {
@@ -26,15 +26,26 @@ namespace osu.Game.Rulesets.Catch.Objects.Drawable
             {
                 Size = new Vector2(pulp_size);
 
-                EdgeEffect = new EdgeEffectParameters
-                {
-                    Type = EdgeEffectType.Glow,
-                    Radius = 5,
-                    Colour = AccentColour.Opacity(0.5f),
-                };
+                Blending = BlendingMode.Additive;
+                Colour = Color4.White.Opacity(0.9f);
             }
 
-            public Color4 AccentColour { get; set; } = Color4.White;
+            private Color4 accentColour;
+            public Color4 AccentColour
+            {
+                get { return accentColour; }
+                set
+                {
+                    accentColour = value;
+
+                    EdgeEffect = new EdgeEffectParameters
+                    {
+                        Type = EdgeEffectType.Glow,
+                        Radius = 5,
+                        Colour = accentColour.Lighten(100),
+                    };
+                }
+            }
         }
 
 
@@ -42,12 +53,14 @@ namespace osu.Game.Rulesets.Catch.Objects.Drawable
             : base(h)
         {
             Origin = Anchor.Centre;
-            Size = new Vector2(pulp_size * 2, pulp_size * 2.6f);
+            Size = new Vector2(pulp_size * 2.2f, pulp_size * 2.8f);
 
             RelativePositionAxes = Axes.Both;
-            X = h.Position;
+            X = h.X;
 
-            Colour = new Color4(RNG.NextSingle(), RNG.NextSingle(), RNG.NextSingle(), 1);
+            AccentColour = HitObject.ComboColour;
+
+            Masking = false;
 
             Rotation = (float)(RNG.NextDouble() - 0.5f) * 40;
         }
@@ -71,6 +84,7 @@ namespace osu.Game.Rulesets.Catch.Objects.Drawable
                             RelativePositionAxes = Axes.Both,
                             Anchor = Anchor.TopCentre,
                             Origin = Anchor.TopCentre,
+                            AccentColour = AccentColour,
                             Scale = new Vector2(0.6f),
                         },
                         new Pulp
@@ -78,6 +92,7 @@ namespace osu.Game.Rulesets.Catch.Objects.Drawable
                             RelativePositionAxes = Axes.Both,
                             Anchor = Anchor.CentreLeft,
                             Origin = Anchor.CentreLeft,
+                            AccentColour = AccentColour,
                             Y = -0.08f
                         },
                         new Pulp
@@ -85,6 +100,7 @@ namespace osu.Game.Rulesets.Catch.Objects.Drawable
                             RelativePositionAxes = Axes.Both,
                             Anchor = Anchor.CentreRight,
                             Origin = Anchor.CentreRight,
+                            AccentColour = AccentColour,
                             Y = -0.08f
                         },
                         new Pulp
@@ -92,6 +108,7 @@ namespace osu.Game.Rulesets.Catch.Objects.Drawable
                             RelativePositionAxes = Axes.Both,
                             Anchor = Anchor.BottomCentre,
                             Origin = Anchor.BottomCentre,
+                            AccentColour = AccentColour,
                         },
                     }
                 }

osu.Game.Rulesets.Catch/Scoring/CatchScoreProcessor.cs

@@ -1,7 +1,10 @@
 // Copyright (c) 2007-2017 ppy Pty Ltd <contact@ppy.sh>.
 // Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
 
+using osu.Game.Beatmaps;
+using osu.Game.Rulesets.Catch.Judgements;
 using osu.Game.Rulesets.Catch.Objects;
+using osu.Game.Rulesets.Objects.Drawables;
 using osu.Game.Rulesets.Scoring;
 using osu.Game.Rulesets.UI;
 
@@ -9,13 +12,22 @@ namespace osu.Game.Rulesets.Catch.Scoring
 {
     internal class CatchScoreProcessor : ScoreProcessor<CatchBaseHit>
     {
-        public CatchScoreProcessor()
-        {
-        }
-
         public CatchScoreProcessor(RulesetContainer<CatchBaseHit> rulesetContainer)
             : base(rulesetContainer)
         {
         }
+
+        protected override void SimulateAutoplay(Beatmap<CatchBaseHit> beatmap)
+        {
+            foreach (var obj in beatmap.HitObjects)
+            {
+                var fruit = obj as Fruit;
+
+                if (fruit != null)
+                    AddJudgement(new CatchJudgement { Result = HitResult.Perfect });
+            }
+
+            base.SimulateAutoplay(beatmap);
+        }
     }
 }

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

@@ -0,0 +1,23 @@
+// Copyright (c) 2007-2017 ppy Pty Ltd <contact@ppy.sh>.
+// Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
+
+using NUnit.Framework;
+using osu.Game.Beatmaps;
+using osu.Game.Rulesets.Catch.Objects;
+
+namespace osu.Game.Rulesets.Catch.Tests
+{
+    [TestFixture]
+    public class TestCaseCatchPlayer : Game.Tests.Visual.TestCasePlayer
+    {
+        protected override Beatmap CreateBeatmap()
+        {
+            var beatmap = new Beatmap();
+
+            for (int i = 0; i < 256; i++)
+                beatmap.HitObjects.Add(new Fruit { X = 0.5f, StartTime = i * 100, NewCombo = i % 8 == 0 });
+
+            return beatmap;
+        }
+    }
+}

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

@@ -1,17 +1,25 @@
 // Copyright (c) 2007-2017 ppy Pty Ltd <contact@ppy.sh>.
 // Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
 
+using System;
+using System.Collections.Generic;
+using NUnit.Framework;
 using osu.Framework.Allocation;
 using osu.Framework.Graphics;
-using osu.Game.Rulesets;
-using osu.Game.Rulesets.Catch;
 using osu.Game.Rulesets.Catch.UI;
+using osu.Game.Tests.Visual;
 using OpenTK;
 
-namespace osu.Desktop.Tests.Visual
+namespace osu.Game.Rulesets.Catch.Tests
 {
+    [TestFixture]
     internal class TestCaseCatcher : OsuTestCase
     {
+        public override IReadOnlyList<Type> RequiredTypes => new[]
+        {
+            typeof(CatcherArea),
+        };
+
         [BackgroundDependencyLoader]
         private void load(RulesetStore rulesets)
         {

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

@@ -3,7 +3,6 @@
 
 using osu.Framework.Input;
 using osu.Game.Beatmaps;
-using osu.Game.Rulesets.Beatmaps;
 using osu.Game.Rulesets.Catch.Beatmaps;
 using osu.Game.Rulesets.Catch.Objects;
 using osu.Game.Rulesets.Catch.Objects.Drawable;
@@ -23,6 +22,8 @@ namespace osu.Game.Rulesets.Catch.UI
 
         public override ScoreProcessor CreateScoreProcessor() => new CatchScoreProcessor(this);
 
+        protected override BeatmapProcessor<CatchBaseHit> CreateBeatmapProcessor() => new CatchBeatmapProcessor();
+
         protected override BeatmapConverter<CatchBaseHit> CreateBeatmapConverter() => new CatchBeatmapConverter();
 
         protected override Playfield CreatePlayfield() => new CatchPlayfield();

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

@@ -11,7 +11,6 @@ using osu.Framework.Graphics.Textures;
 using osu.Framework.Input.Bindings;
 using osu.Framework.MathUtils;
 using osu.Game.Rulesets.Catch.Objects;
-using osu.Game.Rulesets.Catch.Objects.Drawable;
 using osu.Game.Rulesets.Objects.Drawables;
 using OpenTK;
 
@@ -20,20 +19,25 @@ namespace osu.Game.Rulesets.Catch.UI
     public class CatcherArea : Container
     {
         private Catcher catcher;
+        private Container explodingFruitContainer;
 
         public void Add(DrawableHitObject fruit, Vector2 screenPosition) => catcher.AddToStack(fruit, screenPosition);
 
-        public bool CheckIfWeCanCatch(CatchBaseHit obj) => Math.Abs(catcher.Position.X - obj.Position) < catcher.DrawSize.X / DrawSize.X / 2;
+        public bool CheckIfWeCanCatch(CatchBaseHit obj) => Math.Abs(catcher.Position.X - obj.X) < catcher.DrawSize.X / DrawSize.X / 2;
 
         [BackgroundDependencyLoader]
         private void load()
         {
             Children = new Drawable[]
             {
+                explodingFruitContainer = new Container
+                {
+                    RelativeSizeAxes = Axes.Both,
+                },
                 catcher = new Catcher
                 {
                     RelativePositionAxes = Axes.Both,
-                    Anchor = Anchor.TopLeft,
+                    ExplodingFruitTarget = explodingFruitContainer,
                     Origin = Anchor.TopCentre,
                     X = 0.5f,
                 }
@@ -51,18 +55,30 @@ namespace osu.Game.Rulesets.Catch.UI
         {
             private Texture texture;
 
+            private Container<DrawableHitObject> caughtFruit;
+
             [BackgroundDependencyLoader]
             private void load(TextureStore textures)
             {
                 texture = textures.Get(@"Play/Catch/fruit-catcher-idle");
 
-                Child = createCatcherSprite();
+                Children = new Drawable[]
+                {
+                    createCatcherSprite(),
+                    caughtFruit = new Container<DrawableHitObject>
+                    {
+                        Anchor = Anchor.TopCentre,
+                        Origin = Anchor.BottomCentre,
+                    }
+                };
             }
 
             private int currentDirection;
 
             private bool dashing;
 
+            public Container ExplodingFruitTarget;
+
             protected bool Dashing
             {
                 get { return dashing; }
@@ -139,16 +155,21 @@ namespace osu.Game.Rulesets.Catch.UI
                 return false;
             }
 
+            /// <summary>
+            /// The relative space to cover in 1 millisecond. based on 1 game pixel per millisecond as in osu-stable.
+            /// </summary>
+            private const double base_speed = 1.0 / 512;
+
             protected override void Update()
             {
                 base.Update();
 
                 if (currentDirection == 0) return;
 
-                float speed = Dashing ? 1.5f : 1;
+                double dashModifier = Dashing ? 1 : 0.5;
 
                 Scale = new Vector2(Math.Sign(currentDirection), 1);
-                X = (float)MathHelper.Clamp(X + Math.Sign(currentDirection) * Clock.ElapsedFrameTime / 1800 * speed, 0, 1);
+                X = (float)MathHelper.Clamp(X + Math.Sign(currentDirection) * Clock.ElapsedFrameTime * base_speed * dashModifier, 0, 1);
             }
 
             public void AddToStack(DrawableHitObject fruit, Vector2 absolutePosition)
@@ -163,13 +184,45 @@ namespace osu.Game.Rulesets.Catch.UI
 
                 float distance = fruit.DrawSize.X / 2 * fruit.Scale.X;
 
-                while (Children.OfType<DrawableFruit>().Any(f => Vector2Extensions.DistanceSquared(f.Position, fruit.Position) < distance * distance))
+                while (caughtFruit.Any(f => f.LifetimeEnd == double.MaxValue && Vector2Extensions.DistanceSquared(f.Position, fruit.Position) < distance * distance))
                 {
                     fruit.X += RNG.Next(-5, 5);
                     fruit.Y -= RNG.Next(0, 5);
                 }
 
-                Add(fruit);
+                caughtFruit.Add(fruit);
+
+                if (((CatchBaseHit)fruit.HitObject).LastInCombo)
+                    explode();
+            }
+
+            private void explode()
+            {
+                var fruit = caughtFruit.ToArray();
+
+                foreach (var f in fruit)
+                {
+                    var originalX = f.X * Scale.X;
+
+                    if (ExplodingFruitTarget != null)
+                    {
+                        f.Anchor = Anchor.TopLeft;
+                        f.Position = caughtFruit.ToSpaceOfOtherDrawable(f.DrawPosition, ExplodingFruitTarget);
+
+                        caughtFruit.Remove(f);
+
+                        ExplodingFruitTarget.Add(f);
+                    }
+
+                    f.MoveToY(f.Y - 50, 250, Easing.OutSine)
+                    .Then()
+                    .MoveToY(f.Y + 50, 500, Easing.InSine);
+
+                    f.MoveToX(f.X + originalX * 6, 1000);
+                    f.FadeOut(750);
+
+                    f.Expire();
+                }
             }
         }
     }

osu.Game.Rulesets.Catch/app.config

@@ -6,6 +6,10 @@
         <assemblyIdentity name="Newtonsoft.Json" publicKeyToken="30ad4fe6b2a6aeed" culture="neutral" />
         <bindingRedirect oldVersion="0.0.0.0-10.0.0.0" newVersion="10.0.0.0" />
       </dependentAssembly>
+      <dependentAssembly>
+        <assemblyIdentity name="SharpCompress" publicKeyToken="afb0a02973931d96" culture="neutral" />
+        <bindingRedirect oldVersion="0.0.0.0-0.18.1.0" newVersion="0.18.1.0" />
+      </dependentAssembly>
     </assemblyBinding>
   </runtime>
 </configuration>

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

@@ -16,7 +16,7 @@
     <DebugSymbols>true</DebugSymbols>
     <DebugType>full</DebugType>
     <Optimize>false</Optimize>
-    <OutputPath>bin\Debug\</OutputPath>
+    <OutputPath>..\osu.Game\bin\Debug\</OutputPath>
     <DefineConstants>DEBUG;TRACE</DefineConstants>
     <ErrorReport>prompt</ErrorReport>
     <WarningLevel>4</WarningLevel>
@@ -26,30 +26,28 @@
   <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' ">
     <DebugType>pdbonly</DebugType>
     <Optimize>true</Optimize>
-    <OutputPath>bin\Release\</OutputPath>
+    <OutputPath>..\osu.Game\bin\Release\</OutputPath>
     <DefineConstants>TRACE</DefineConstants>
     <ErrorReport>prompt</ErrorReport>
     <WarningLevel>4</WarningLevel>
     <TreatWarningsAsErrors>false</TreatWarningsAsErrors>
   </PropertyGroup>
   <ItemGroup>
+    <Reference Include="nunit.framework, Version=3.8.1.0, Culture=neutral, PublicKeyToken=2638cd05610744eb, processorArchitecture=MSIL">
+      <HintPath>$(SolutionDir)\packages\NUnit.3.8.1\lib\net45\nunit.framework.dll</HintPath>
+      <Private>False</Private>
+    </Reference>
     <Reference Include="OpenTK, Version=3.0.0.0, Culture=neutral, PublicKeyToken=bad199fe84eb3df4, processorArchitecture=MSIL">
       <HintPath>$(SolutionDir)\packages\OpenTK.3.0.0-git00009\lib\net20\OpenTK.dll</HintPath>
-      <Private>True</Private>
+      <Private>False</Private>
     </Reference>
     <Reference Include="System" />
     <Reference Include="System.Collections" />
     <Reference Include="System.Core" />
-    <Reference Include="System.Drawing" />
-    <Reference Include="System.Xml.Linq" />
-    <Reference Include="System.Data.DataSetExtensions" />
-    <Reference Include="Microsoft.CSharp" />
-    <Reference Include="System.Data" />
-    <Reference Include="System.Net.Http" />
-    <Reference Include="System.Xml" />
   </ItemGroup>
   <ItemGroup>
     <Compile Include="Beatmaps\CatchBeatmapConverter.cs" />
+    <Compile Include="Beatmaps\CatchBeatmapProcessor.cs" />
     <Compile Include="CatchDifficultyCalculator.cs" />
     <Compile Include="CatchInputManager.cs" />
     <Compile Include="Scoring\CatchScoreProcessor.cs" />
@@ -59,6 +57,8 @@
     <Compile Include="Objects\Droplet.cs" />
     <Compile Include="Objects\Fruit.cs" />
     <Compile Include="Properties\AssemblyInfo.cs" />
+    <Compile Include="Tests\TestCaseCatcher.cs" />
+    <Compile Include="Tests\TestCaseCatchPlayer.cs" />
     <Compile Include="UI\CatcherArea.cs" />
     <Compile Include="UI\CatchRulesetContainer.cs" />
     <Compile Include="UI\CatchPlayfield.cs" />
@@ -77,14 +77,17 @@
     <ProjectReference Include="..\osu-framework\osu.Framework\osu.Framework.csproj">
       <Project>{C76BF5B3-985E-4D39-95FE-97C9C879B83A}</Project>
       <Name>osu.Framework</Name>
+      <Private>False</Private>
     </ProjectReference>
     <ProjectReference Include="..\osu.Game.Rulesets.Osu\osu.Game.Rulesets.Osu.csproj">
       <Project>{C92A607B-1FDD-4954-9F92-03FF547D9080}</Project>
       <Name>osu.Game.Rulesets.Osu</Name>
+      <Private>False</Private>
     </ProjectReference>
     <ProjectReference Include="..\osu.Game\osu.Game.csproj">
-      <Project>{0D3FBF8A-7464-4CF7-8C90-3E7886DF2D4D}</Project>
+      <Project>{2a66dd92-adb1-4994-89e2-c94e04acda0d}</Project>
       <Name>osu.Game</Name>
+      <Private>False</Private>
     </ProjectReference>
   </ItemGroup>
   <Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />

osu.Game.Rulesets.Catch/packages.config

@@ -1,4 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
+  <package id="NUnit" version="3.8.1" targetFramework="net461" />
   <package id="OpenTK" version="3.0.0-git00009" targetFramework="net461" />
 </packages>

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

@@ -1,7 +1,6 @@
 // Copyright (c) 2007-2017 ppy Pty Ltd <contact@ppy.sh>.
 // Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
 
-using osu.Game.Rulesets.Beatmaps;
 using osu.Game.Rulesets.Mania.Objects;
 using System;
 using System.Collections.Generic;

osu.Game.Rulesets.Mania/ManiaDifficultyCalculator.cs

@@ -2,7 +2,6 @@
 // Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
 
 using osu.Game.Beatmaps;
-using osu.Game.Rulesets.Beatmaps;
 using osu.Game.Rulesets.Mania.Beatmaps;
 using osu.Game.Rulesets.Mania.Objects;
 using System.Collections.Generic;

osu.Game.Rulesets.Mania/Testing/TestCaseManiaHitObjects.cs

@@ -1,16 +1,18 @@
 // Copyright (c) 2007-2017 ppy Pty Ltd <contact@ppy.sh>.
 // Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
 
+using NUnit.Framework;
 using osu.Framework.Graphics;
 using osu.Framework.Graphics.Containers;
-using osu.Game.Rulesets.Mania;
 using osu.Game.Rulesets.Mania.Objects;
 using osu.Game.Rulesets.Mania.Objects.Drawables;
+using osu.Game.Tests.Visual;
 using OpenTK;
 using OpenTK.Graphics;
 
-namespace osu.Desktop.Tests.Visual
+namespace osu.Game.Rulesets.Mania.Testing
 {
+    [TestFixture]
     internal class TestCaseManiaHitObjects : OsuTestCase
     {
         public TestCaseManiaHitObjects()

osu.Game.Rulesets.Mania/Testing/TestCaseManiaPlayfield.cs

@@ -3,22 +3,23 @@
 
 using System;
 using System.Linq;
+using NUnit.Framework;
 using osu.Framework.Allocation;
 using osu.Framework.Extensions.IEnumerableExtensions;
 using osu.Framework.Graphics;
 using osu.Framework.Timing;
-using osu.Game.Rulesets.Mania;
+using osu.Game.Rulesets.Mania.Judgements;
 using osu.Game.Rulesets.Mania.Objects;
 using osu.Game.Rulesets.Mania.Objects.Drawables;
 using osu.Game.Rulesets.Mania.Timing;
 using osu.Game.Rulesets.Mania.UI;
-using osu.Game.Rulesets.Timing;
-using osu.Game.Rulesets;
-using osu.Game.Rulesets.Mania.Judgements;
 using osu.Game.Rulesets.Objects.Drawables;
+using osu.Game.Rulesets.Timing;
+using osu.Game.Tests.Visual;
 
-namespace osu.Desktop.Tests.Visual
+namespace osu.Game.Rulesets.Mania.Testing
 {
+    [TestFixture]
     internal class TestCaseManiaPlayfield : OsuTestCase
     {
         private const double start_time = 500;

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

@@ -13,7 +13,6 @@ using osu.Framework.Lists;
 using osu.Framework.MathUtils;
 using osu.Game.Beatmaps;
 using osu.Game.Beatmaps.ControlPoints;
-using osu.Game.Rulesets.Beatmaps;
 using osu.Game.Rulesets.Mania.Beatmaps;
 using osu.Game.Rulesets.Mania.Objects;
 using osu.Game.Rulesets.Mania.Objects.Drawables;

osu.Game.Rulesets.Mania/app.config

@@ -6,6 +6,10 @@
         <assemblyIdentity name="Newtonsoft.Json" publicKeyToken="30ad4fe6b2a6aeed" culture="neutral" />
         <bindingRedirect oldVersion="0.0.0.0-10.0.0.0" newVersion="10.0.0.0" />
       </dependentAssembly>
+      <dependentAssembly>
+        <assemblyIdentity name="SharpCompress" publicKeyToken="afb0a02973931d96" culture="neutral" />
+        <bindingRedirect oldVersion="0.0.0.0-0.18.1.0" newVersion="0.18.1.0" />
+      </dependentAssembly>
     </assemblyBinding>
   </runtime>
 </configuration>

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

@@ -16,7 +16,7 @@
     <DebugSymbols>true</DebugSymbols>
     <DebugType>full</DebugType>
     <Optimize>false</Optimize>
-    <OutputPath>bin\Debug\</OutputPath>
+    <OutputPath>..\osu.Game\bin\Debug\</OutputPath>
     <DefineConstants>DEBUG;TRACE</DefineConstants>
     <ErrorReport>prompt</ErrorReport>
     <WarningLevel>4</WarningLevel>
@@ -26,26 +26,23 @@
   <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' ">
     <DebugType>pdbonly</DebugType>
     <Optimize>true</Optimize>
-    <OutputPath>bin\Release\</OutputPath>
+    <OutputPath>..\osu.Game\bin\Release\</OutputPath>
     <DefineConstants>TRACE</DefineConstants>
     <ErrorReport>prompt</ErrorReport>
     <WarningLevel>4</WarningLevel>
     <TreatWarningsAsErrors>false</TreatWarningsAsErrors>
   </PropertyGroup>
   <ItemGroup>
+    <Reference Include="nunit.framework, Version=3.8.1.0, Culture=neutral, PublicKeyToken=2638cd05610744eb, processorArchitecture=MSIL">
+      <HintPath>$(SolutionDir)\packages\NUnit.3.8.1\lib\net45\nunit.framework.dll</HintPath>
+      <Private>False</Private>
+    </Reference>
     <Reference Include="OpenTK, Version=3.0.0.0, Culture=neutral, PublicKeyToken=bad199fe84eb3df4, processorArchitecture=MSIL">
       <HintPath>$(SolutionDir)\packages\OpenTK.3.0.0-git00009\lib\net20\OpenTK.dll</HintPath>
-      <Private>True</Private>
+      <Private>False</Private>
     </Reference>
     <Reference Include="System" />
     <Reference Include="System.Core" />
-    <Reference Include="System.Drawing" />
-    <Reference Include="System.Xml.Linq" />
-    <Reference Include="System.Data.DataSetExtensions" />
-    <Reference Include="Microsoft.CSharp" />
-    <Reference Include="System.Data" />
-    <Reference Include="System.Net.Http" />
-    <Reference Include="System.Xml" />
   </ItemGroup>
   <ItemGroup>
     <Compile Include="Beatmaps\Patterns\Legacy\EndTimeObjectPatternGenerator.cs" />
@@ -83,6 +80,8 @@
     <Compile Include="Objects\Note.cs" />
     <Compile Include="Properties\AssemblyInfo.cs" />
     <Compile Include="ManiaInputManager.cs" />
+    <Compile Include="Testing\TestCaseManiaHitObjects.cs" />
+    <Compile Include="Testing\TestCaseManiaPlayfield.cs" />
     <Compile Include="Timing\GravityScrollingContainer.cs" />
     <Compile Include="Timing\ScrollingAlgorithm.cs" />
     <Compile Include="UI\Column.cs" />
@@ -96,16 +95,6 @@
     <Compile Include="UI\SpecialColumnPosition.cs" />
     <Compile Include="Timing\ManiaSpeedAdjustmentContainer.cs" />
   </ItemGroup>
-  <ItemGroup>
-    <ProjectReference Include="..\osu-framework\osu.Framework\osu.Framework.csproj">
-      <Project>{C76BF5B3-985E-4D39-95FE-97C9C879B83A}</Project>
-      <Name>osu.Framework</Name>
-    </ProjectReference>
-    <ProjectReference Include="..\osu.Game\osu.Game.csproj">
-      <Project>{0D3FBF8A-7464-4CF7-8C90-3E7886DF2D4D}</Project>
-      <Name>osu.Game</Name>
-    </ProjectReference>
-  </ItemGroup>
   <ItemGroup>
     <None Include="..\osu.licenseheader">
       <Link>osu.licenseheader</Link>
@@ -114,7 +103,18 @@
     <None Include="OpenTK.dll.config" />
     <None Include="packages.config" />
   </ItemGroup>
-  <ItemGroup />
+  <ItemGroup>
+    <ProjectReference Include="..\osu-framework\osu.Framework\osu.Framework.csproj">
+      <Project>{C76BF5B3-985E-4D39-95FE-97C9C879B83A}</Project>
+      <Name>osu.Framework</Name>
+      <Private>False</Private>
+    </ProjectReference>
+    <ProjectReference Include="..\osu.Game\osu.Game.csproj">
+      <Project>{2a66dd92-adb1-4994-89e2-c94e04acda0d}</Project>
+      <Name>osu.Game</Name>
+      <Private>False</Private>
+    </ProjectReference>
+  </ItemGroup>
   <Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
   <!-- To modify your build process, add your task inside one of the targets below and uncomment it.
        Other similar extension points exist, see Microsoft.Common.targets.

osu.Game.Rulesets.Mania/packages.config

@@ -1,4 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
+  <package id="NUnit" version="3.8.1" targetFramework="net461" />
   <package id="OpenTK" version="3.0.0-git00009" targetFramework="net461" />
 </packages>

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

@@ -9,7 +9,6 @@ using System.Collections.Generic;
 using osu.Game.Rulesets.Objects.Types;
 using System;
 using osu.Game.Rulesets.Osu.UI;
-using osu.Game.Rulesets.Beatmaps;
 
 namespace osu.Game.Rulesets.Osu.Beatmaps
 {

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

@@ -3,7 +3,6 @@
 
 using osu.Framework.Graphics;
 using osu.Game.Beatmaps;
-using osu.Game.Rulesets.Beatmaps;
 using osu.Game.Rulesets.Objects.Types;
 using osu.Game.Rulesets.Osu.Objects;
 using osu.Game.Rulesets.Osu.Objects.Drawables;

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

@@ -4,7 +4,6 @@
 using System;
 using System.Collections.Generic;
 using osu.Game.Beatmaps;
-using osu.Game.Rulesets.Beatmaps;
 using osu.Game.Rulesets.Osu.Beatmaps;
 using osu.Game.Rulesets.Osu.Objects;
 using osu.Game.Rulesets.Osu.OsuDifficulty.Preprocessing;

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

@@ -16,10 +16,6 @@ namespace osu.Game.Rulesets.Osu.Scoring
 {
     internal class OsuScoreProcessor : ScoreProcessor<OsuHitObject>
     {
-        public OsuScoreProcessor()
-        {
-        }
-
         public OsuScoreProcessor(RulesetContainer<OsuHitObject> rulesetContainer)
             : base(rulesetContainer)
         {

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

@@ -2,19 +2,20 @@
 // Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
 
 using System.Collections.Generic;
+using NUnit.Framework;
+using osu.Framework.Allocation;
 using osu.Framework.Graphics;
 using osu.Framework.Graphics.Containers;
 using osu.Framework.Timing;
 using osu.Game.Rulesets.Objects.Drawables;
 using osu.Game.Rulesets.Osu.Objects;
 using osu.Game.Rulesets.Osu.Objects.Drawables;
+using osu.Game.Tests.Visual;
 using OpenTK;
-using osu.Game.Rulesets.Osu;
-using osu.Framework.Allocation;
-using osu.Game.Rulesets;
 
-namespace osu.Desktop.Tests.Visual
+namespace osu.Game.Rulesets.Osu.Tests
 {
+    [TestFixture]
     internal class TestCaseHitObjects : OsuTestCase
     {
         private FramedClock framedClock;

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

@@ -4,7 +4,6 @@
 using osu.Framework.Input;
 using OpenTK;
 using osu.Game.Beatmaps;
-using osu.Game.Rulesets.Beatmaps;
 using osu.Game.Rulesets.Objects.Drawables;
 using osu.Game.Rulesets.Osu.Beatmaps;
 using osu.Game.Rulesets.Osu.Objects;

osu.Game.Rulesets.Osu/app.config

@@ -6,6 +6,10 @@
         <assemblyIdentity name="Newtonsoft.Json" publicKeyToken="30ad4fe6b2a6aeed" culture="neutral" />
         <bindingRedirect oldVersion="0.0.0.0-10.0.0.0" newVersion="10.0.0.0" />
       </dependentAssembly>
+      <dependentAssembly>
+        <assemblyIdentity name="SharpCompress" publicKeyToken="afb0a02973931d96" culture="neutral" />
+        <bindingRedirect oldVersion="0.0.0.0-0.18.1.0" newVersion="0.18.1.0" />
+      </dependentAssembly>
     </assemblyBinding>
   </runtime>
 </configuration>

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

@@ -17,7 +17,7 @@
     <DebugSymbols>true</DebugSymbols>
     <DebugType>full</DebugType>
     <Optimize>false</Optimize>
-    <OutputPath>bin\Debug\</OutputPath>
+    <OutputPath>..\osu.Game\bin\Debug\</OutputPath>
     <DefineConstants>DEBUG;TRACE</DefineConstants>
     <ErrorReport>prompt</ErrorReport>
     <WarningLevel>4</WarningLevel>
@@ -27,21 +27,24 @@
   <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' ">
     <DebugType>pdbonly</DebugType>
     <Optimize>true</Optimize>
-    <OutputPath>bin\Release\</OutputPath>
+    <OutputPath>..\osu.Game\bin\Release\</OutputPath>
     <DefineConstants>TRACE</DefineConstants>
     <ErrorReport>prompt</ErrorReport>
     <WarningLevel>4</WarningLevel>
     <TreatWarningsAsErrors>false</TreatWarningsAsErrors>
   </PropertyGroup>
   <ItemGroup>
+    <Reference Include="nunit.framework, Version=3.8.1.0, Culture=neutral, PublicKeyToken=2638cd05610744eb, processorArchitecture=MSIL">
+      <HintPath>$(SolutionDir)\packages\NUnit.3.8.1\lib\net45\nunit.framework.dll</HintPath>
+      <Private>False</Private>
+    </Reference>
     <Reference Include="OpenTK, Version=3.0.0.0, Culture=neutral, PublicKeyToken=bad199fe84eb3df4, processorArchitecture=MSIL">
       <HintPath>$(SolutionDir)\packages\OpenTK.3.0.0-git00009\lib\net20\OpenTK.dll</HintPath>
-      <Private>True</Private>
+      <Private>False</Private>
     </Reference>
     <Reference Include="System" />
     <Reference Include="System.Core" />
     <Reference Include="System.Drawing" />
-    <Reference Include="System.Xml" />
   </ItemGroup>
   <ItemGroup>
     <Compile Include="Beatmaps\OsuBeatmapConverter.cs" />
@@ -79,6 +82,7 @@
     <Compile Include="OsuDifficulty\Utils\History.cs" />
     <Compile Include="OsuInputManager.cs" />
     <Compile Include="Replays\OsuReplayInputHandler.cs" />
+    <Compile Include="Tests\TestCaseHitObjects.cs" />
     <Compile Include="UI\Cursor\CursorTrail.cs" />
     <Compile Include="UI\Cursor\GameplayCursor.cs" />
     <Compile Include="UI\OsuSettings.cs" />
@@ -96,16 +100,6 @@
     <Compile Include="Replays\OsuAutoGenerator.cs" />
     <Compile Include="Replays\OsuAutoGeneratorBase.cs" />
   </ItemGroup>
-  <ItemGroup>
-    <ProjectReference Include="..\osu-framework\osu.Framework\osu.Framework.csproj">
-      <Project>{C76BF5B3-985E-4D39-95FE-97C9C879B83A}</Project>
-      <Name>osu.Framework</Name>
-    </ProjectReference>
-    <ProjectReference Include="..\osu.Game\osu.Game.csproj">
-      <Project>{0d3fbf8a-7464-4cf7-8c90-3e7886df2d4d}</Project>
-      <Name>osu.Game</Name>
-    </ProjectReference>
-  </ItemGroup>
   <ItemGroup>
     <None Include="..\osu.licenseheader">
       <Link>osu.licenseheader</Link>
@@ -114,7 +108,18 @@
     <None Include="OpenTK.dll.config" />
     <None Include="packages.config" />
   </ItemGroup>
-  <ItemGroup />
+  <ItemGroup>
+    <ProjectReference Include="..\osu-framework\osu.Framework\osu.Framework.csproj">
+      <Project>{C76BF5B3-985E-4D39-95FE-97C9C879B83A}</Project>
+      <Name>osu.Framework</Name>
+      <Private>False</Private>
+    </ProjectReference>
+    <ProjectReference Include="..\osu.Game\osu.Game.csproj">
+      <Project>{2a66dd92-adb1-4994-89e2-c94e04acda0d}</Project>
+      <Name>osu.Game</Name>
+      <Private>False</Private>
+    </ProjectReference>
+  </ItemGroup>
   <ItemGroup />
   <Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
   <!-- To modify your build process, add your task inside one of the targets below and uncomment it.

osu.Game.Rulesets.Osu/packages.config

@@ -1,4 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
+  <package id="NUnit" version="3.8.1" targetFramework="net461" />
   <package id="OpenTK" version="3.0.0-git00009" targetFramework="net461" />
 </packages>

osu.Game.Rulesets.Taiko/Beatmaps/TaikoBeatmapConverter.cs

@@ -10,7 +10,6 @@ using System.Collections.Generic;
 using System.Linq;
 using osu.Game.IO.Serialization;
 using osu.Game.Audio;
-using osu.Game.Rulesets.Beatmaps;
 using osu.Game.Beatmaps.ControlPoints;
 
 namespace osu.Game.Rulesets.Taiko.Beatmaps

osu.Game.Rulesets.Taiko/TaikoDifficultyCalculator.cs

@@ -2,7 +2,6 @@
 // Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
 
 using osu.Game.Beatmaps;
-using osu.Game.Rulesets.Beatmaps;
 using osu.Game.Rulesets.Taiko.Beatmaps;
 using osu.Game.Rulesets.Taiko.Objects;
 using System.Collections.Generic;

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

@@ -2,26 +2,28 @@
 // Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
 
 using System;
+using System.Collections.Generic;
+using NUnit.Framework;
+using osu.Framework.Allocation;
 using osu.Framework.Graphics;
 using osu.Framework.Graphics.Containers;
 using osu.Framework.MathUtils;
 using osu.Framework.Timing;
+using osu.Game.Beatmaps;
+using osu.Game.Beatmaps.ControlPoints;
+using osu.Game.Rulesets.Objects;
 using osu.Game.Rulesets.Objects.Drawables;
 using osu.Game.Rulesets.Taiko.Judgements;
 using osu.Game.Rulesets.Taiko.Objects;
 using osu.Game.Rulesets.Taiko.Objects.Drawables;
 using osu.Game.Rulesets.Taiko.UI;
+using osu.Game.Tests.Beatmaps;
+using osu.Game.Tests.Visual;
 using OpenTK;
-using osu.Game.Beatmaps.ControlPoints;
-using osu.Game.Beatmaps;
-using osu.Desktop.Tests.Beatmaps;
-using System.Collections.Generic;
-using osu.Framework.Allocation;
-using osu.Game.Rulesets;
-using osu.Game.Rulesets.Objects;
 
-namespace osu.Desktop.Tests.Visual
+namespace osu.Game.Rulesets.Taiko.Tests
 {
+    [TestFixture]
     internal class TestCaseTaikoPlayfield : OsuTestCase
     {
         private const double default_duration = 1000;

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

@@ -15,7 +15,6 @@ using osu.Game.Rulesets.Taiko.Scoring;
 using osu.Game.Rulesets.UI;
 using osu.Game.Rulesets.Taiko.Replays;
 using OpenTK;
-using osu.Game.Rulesets.Beatmaps;
 using System.Linq;
 using osu.Framework.Input;
 

osu.Game.Rulesets.Taiko/app.config

@@ -6,6 +6,10 @@
         <assemblyIdentity name="Newtonsoft.Json" publicKeyToken="30ad4fe6b2a6aeed" culture="neutral" />
         <bindingRedirect oldVersion="0.0.0.0-10.0.0.0" newVersion="10.0.0.0" />
       </dependentAssembly>
+      <dependentAssembly>
+        <assemblyIdentity name="SharpCompress" publicKeyToken="afb0a02973931d96" culture="neutral" />
+        <bindingRedirect oldVersion="0.0.0.0-0.18.1.0" newVersion="0.18.1.0" />
+      </dependentAssembly>
     </assemblyBinding>
   </runtime>
 </configuration>

osu.Game.Rulesets.Taiko/osu.Game.Rulesets.Taiko.csproj

@@ -16,7 +16,7 @@
     <DebugSymbols>true</DebugSymbols>
     <DebugType>full</DebugType>
     <Optimize>false</Optimize>
-    <OutputPath>bin\Debug\</OutputPath>
+    <OutputPath>..\osu.Game\bin\Debug\</OutputPath>
     <DefineConstants>DEBUG;TRACE</DefineConstants>
     <ErrorReport>prompt</ErrorReport>
     <WarningLevel>4</WarningLevel>
@@ -26,26 +26,23 @@
   <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' ">
     <DebugType>pdbonly</DebugType>
     <Optimize>true</Optimize>
-    <OutputPath>bin\Release\</OutputPath>
+    <OutputPath>..\osu.Game\bin\Release\</OutputPath>
     <DefineConstants>TRACE</DefineConstants>
     <ErrorReport>prompt</ErrorReport>
     <WarningLevel>4</WarningLevel>
     <TreatWarningsAsErrors>false</TreatWarningsAsErrors>
   </PropertyGroup>
   <ItemGroup>
+    <Reference Include="nunit.framework, Version=3.8.1.0, Culture=neutral, PublicKeyToken=2638cd05610744eb, processorArchitecture=MSIL">
+      <HintPath>$(SolutionDir)\packages\NUnit.3.8.1\lib\net45\nunit.framework.dll</HintPath>
+      <Private>False</Private>
+    </Reference>
     <Reference Include="OpenTK, Version=3.0.0.0, Culture=neutral, PublicKeyToken=bad199fe84eb3df4, processorArchitecture=MSIL">
       <HintPath>$(SolutionDir)\packages\OpenTK.3.0.0-git00009\lib\net20\OpenTK.dll</HintPath>
-      <Private>True</Private>
+      <Private>False</Private>
     </Reference>
     <Reference Include="System" />
     <Reference Include="System.Core" />
-    <Reference Include="System.Drawing" />
-    <Reference Include="System.Xml.Linq" />
-    <Reference Include="System.Data.DataSetExtensions" />
-    <Reference Include="Microsoft.CSharp" />
-    <Reference Include="System.Data" />
-    <Reference Include="System.Net.Http" />
-    <Reference Include="System.Xml" />
   </ItemGroup>
   <ItemGroup>
     <Compile Include="Beatmaps\TaikoBeatmapConverter.cs" />
@@ -86,6 +83,7 @@
     <Compile Include="Properties\AssemblyInfo.cs" />
     <Compile Include="Scoring\TaikoScoreProcessor.cs" />
     <Compile Include="TaikoInputManager.cs" />
+    <Compile Include="Tests\TestCaseTaikoPlayfield.cs" />
     <Compile Include="UI\HitTarget.cs" />
     <Compile Include="UI\InputDrum.cs" />
     <Compile Include="UI\KiaiHitExplosion.cs" />
@@ -108,10 +106,12 @@
     <ProjectReference Include="..\osu-framework\osu.Framework\osu.Framework.csproj">
       <Project>{C76BF5B3-985E-4D39-95FE-97C9C879B83A}</Project>
       <Name>osu.Framework</Name>
+      <Private>False</Private>
     </ProjectReference>
     <ProjectReference Include="..\osu.Game\osu.Game.csproj">
-      <Project>{0D3FBF8A-7464-4CF7-8C90-3E7886DF2D4D}</Project>
+      <Project>{2a66dd92-adb1-4994-89e2-c94e04acda0d}</Project>
       <Name>osu.Game</Name>
+      <Private>False</Private>
     </ProjectReference>
   </ItemGroup>
   <Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />

osu.Game.Rulesets.Taiko/packages.config

@@ -1,4 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
+  <package id="NUnit" version="3.8.1" targetFramework="net461" />
   <package id="OpenTK" version="3.0.0-git00009" targetFramework="net461" />
 </packages>

osu.Game.Tests/Beatmaps/IO/ImportBeatmapTest.cs

@@ -8,7 +8,6 @@ using System.Linq;
 using System.Threading;
 using System.Threading.Tasks;
 using NUnit.Framework;
-using osu.Framework.Desktop.Platform;
 using osu.Framework.Platform;
 using osu.Game.IPC;
 using osu.Framework.Allocation;
@@ -25,7 +24,7 @@ namespace osu.Game.Tests.Beatmaps.IO
         public void TestImportWhenClosed()
         {
             //unfortunately for the time being we need to reference osu.Framework.Desktop for a game host here.
-            using (HeadlessGameHost host = new HeadlessGameHost())
+            using (HeadlessGameHost host = new HeadlessGameHost("TestImportWhenClosed"))
             {
                 var osu = loadOsu(host);
 
@@ -37,7 +36,7 @@ namespace osu.Game.Tests.Beatmaps.IO
 
                 ensureLoaded(osu);
 
-                Assert.IsFalse(File.Exists(temp));
+                waitForOrAssert(() => !File.Exists(temp), "Temporary file still exists after standard import", 5000);
             }
         }
 
@@ -62,15 +61,14 @@ namespace osu.Game.Tests.Beatmaps.IO
 
                 ensureLoaded(osu);
 
-                Assert.IsFalse(File.Exists(temp));
+                waitForOrAssert(() => !File.Exists(temp), "Temporary still exists after IPC import", 5000);
             }
         }
 
         [Test]
         public void TestImportWhenFileOpen()
         {
-            //unfortunately for the time being we need to reference osu.Framework.Desktop for a game host here.
-            using (HeadlessGameHost host = new HeadlessGameHost())
+            using (HeadlessGameHost host = new HeadlessGameHost("TestImportWhenFileOpen"))
             {
                 var osu = loadOsu(host);
 
@@ -102,8 +100,7 @@ namespace osu.Game.Tests.Beatmaps.IO
             var osu = new OsuGameBase();
             Task.Run(() => host.Run(osu));
 
-            while (!osu.IsLoaded)
-                Thread.Sleep(1);
+            waitForOrAssert(() => osu.IsLoaded, @"osu! failed to start in a reasonable amount of time");
 
             return osu;
         }
@@ -114,30 +111,17 @@ namespace osu.Game.Tests.Beatmaps.IO
 
             var store = osu.Dependencies.Get<BeatmapManager>();
 
-            Action waitAction = () =>
-            {
-                while (!(resultSets = store.QueryBeatmapSets(s => s.OnlineBeatmapSetID == 241526)).Any())
-                    Thread.Sleep(50);
-            };
-
-            Assert.IsTrue(waitAction.BeginInvoke(null, null).AsyncWaitHandle.WaitOne(timeout),
-                @"BeatmapSet did not import to the database in allocated time.");
+            waitForOrAssert(() => (resultSets = store.QueryBeatmapSets(s => s.OnlineBeatmapSetID == 241526)).Any(),
+                @"BeatmapSet did not import to the database in allocated time.", timeout);
 
             //ensure we were stored to beatmap database backing...
-
             Assert.IsTrue(resultSets.Count() == 1, $@"Incorrect result count found ({resultSets.Count()} but should be 1).");
 
             IEnumerable<BeatmapInfo> resultBeatmaps = null;
 
             //if we don't re-check here, the set will be inserted but the beatmaps won't be present yet.
-            waitAction = () =>
-            {
-                while ((resultBeatmaps = store.QueryBeatmaps(s => s.OnlineBeatmapSetID == 241526 && s.BaseDifficultyID > 0)).Count() != 12)
-                    Thread.Sleep(50);
-            };
-
-            Assert.IsTrue(waitAction.BeginInvoke(null, null).AsyncWaitHandle.WaitOne(timeout),
-                @"Beatmaps did not import to the database in allocated time");
+            waitForOrAssert(() => (resultBeatmaps = store.QueryBeatmaps(s => s.OnlineBeatmapSetID == 241526 && s.BaseDifficultyID > 0)).Count() == 12,
+                @"Beatmaps did not import to the database in allocated time", timeout);
 
             var set = store.QueryBeatmapSets(s => s.OnlineBeatmapSetID == 241526).First();
 
@@ -161,5 +145,11 @@ namespace osu.Game.Tests.Beatmaps.IO
             beatmap = store.GetWorkingBeatmap(set.Beatmaps.First(b => b.RulesetID == 3))?.Beatmap;
             Assert.IsTrue(beatmap?.HitObjects.Count > 0);
         }
+
+        private void waitForOrAssert(Func<bool> result, string failureMessage, int timeout = 60000)
+        {
+            Action waitAction = () => { while (!result()) Thread.Sleep(20); };
+            Assert.IsTrue(waitAction.BeginInvoke(null, null).AsyncWaitHandle.WaitOne(timeout), failureMessage);
+        }
     }
 }

osu.Game.Tests/osu.Game.Tests.csproj

@@ -58,10 +58,6 @@
     <None Include="OpenTK.dll.config" />
   </ItemGroup>
   <ItemGroup>
-    <ProjectReference Include="..\osu-framework\osu.Framework.Desktop\osu.Framework.Desktop.csproj">
-      <Project>{65DC628F-A640-4111-AB35-3A5652BC1E17}</Project>
-      <Name>osu.Framework.Desktop</Name>
-    </ProjectReference>
     <ProjectReference Include="..\osu-framework\osu.Framework\osu.Framework.csproj">
       <Project>{c76bf5b3-985e-4d39-95fe-97c9c879b83a}</Project>
       <Name>osu.Framework</Name>

osu.Game/Beatmaps/BeatmapConverter.cs

@@ -5,9 +5,8 @@ using System;
 using System.Collections.Generic;
 using System.Linq;
 using osu.Game.Rulesets.Objects;
-using osu.Game.Beatmaps;
 
-namespace osu.Game.Rulesets.Beatmaps
+namespace osu.Game.Beatmaps
 {
     /// <summary>
     /// Converts a Beatmap for another mode.

osu.Game/Beatmaps/BeatmapInfo.cs

@@ -78,15 +78,29 @@ namespace osu.Game.Beatmaps
 
         // Editor
         // This bookmarks stuff is necessary because DB doesn't know how to store int[]
-        public string StoredBookmarks { get; set; }
+        [JsonIgnore]
+        public string StoredBookmarks
+        {
+            get { return string.Join(",", Bookmarks); }
+            set
+            {
+                if (string.IsNullOrEmpty(value))
+                {
+                    Bookmarks = new int[0];
+                    return;
+                }
+
+                Bookmarks = value.Split(',').Select(v =>
+                {
+                    int val;
+                    bool result = int.TryParse(v, out val);
+                    return new { result, val };
+                }).Where(p => p.result).Select(p => p.val).ToArray();
+            }
+        }
 
         [Ignore]
-        [JsonIgnore]
-        public int[] Bookmarks
-        {
-            get { return StoredBookmarks.Split(',').Select(int.Parse).ToArray(); }
-            set { StoredBookmarks = string.Join(",", value); }
-        }
+        public int[] Bookmarks { get; set; } = new int[0];
 
         public double DistanceSpacing { get; set; }
         public int BeatDivisor { get; set; }

osu.Game/Beatmaps/BeatmapManager.cs

@@ -429,6 +429,15 @@ namespace osu.Game.Beatmaps
             if (beatmapSet != null)
             {
                 Undelete(beatmapSet);
+
+                // ensure all files are present and accessible
+                foreach (var f in beatmapSet.Files)
+                {
+                    if (!storage.Exists(f.FileInfo.StoragePath))
+                        using (Stream s = reader.GetStream(f.Filename))
+                            files.Add(s, false);
+                }
+
                 return beatmapSet;
             }
 

osu.Game/Beatmaps/BeatmapOnlineInfo.cs

@@ -10,6 +10,28 @@ namespace osu.Game.Beatmaps
     /// </summary>
     public class BeatmapOnlineInfo
     {
+        /// <summary>
+        /// The length in milliseconds of this beatmap's song.
+        /// </summary>
+        public double Length { get; set; }
+
+        /// <summary>
+        /// Whether or not this beatmap has a background video.
+        /// </summary>
+        public bool HasVideo { get; set; }
+
+        /// <summary>
+        /// The amount of circles in this beatmap.
+        /// </summary>
+        [JsonProperty(@"count_circles")]
+        public int CircleCount { get; set; }
+
+        /// <summary>
+        /// The amount of sliders in this beatmap.
+        /// </summary>
+        [JsonProperty(@"count_sliders")]
+        public int SliderCount { get; set; }
+
         /// <summary>
         /// The amount of plays this beatmap has.
         /// </summary>

osu.Game/Beatmaps/BeatmapProcessor.cs

@@ -1,10 +1,9 @@
 // Copyright (c) 2007-2017 ppy Pty Ltd <contact@ppy.sh>.
 // Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
 
-using osu.Game.Beatmaps;
 using osu.Game.Rulesets.Objects;
 
-namespace osu.Game.Rulesets.Beatmaps
+namespace osu.Game.Beatmaps
 {
     /// <summary>
     /// Processes a post-converted Beatmap.

osu.Game/Beatmaps/BeatmapSetOnlineInfo.cs

@@ -1,7 +1,9 @@
 // Copyright (c) 2007-2017 ppy Pty Ltd <contact@ppy.sh>.
 // Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
 
+using System;
 using Newtonsoft.Json;
+using osu.Game.Users;
 
 namespace osu.Game.Beatmaps
 {
@@ -10,6 +12,26 @@ namespace osu.Game.Beatmaps
     /// </summary>
     public class BeatmapSetOnlineInfo
     {
+        /// <summary>
+        /// The author of the beatmaps in this set.
+        /// </summary>
+        public User Author;
+
+        /// <summary>
+        /// The date this beatmap set was submitted to the online listing.
+        /// </summary>
+        public DateTimeOffset Submitted { get; set; }
+
+        /// <summary>
+        /// The date this beatmap set was ranked.
+        /// </summary>
+        public DateTimeOffset? Ranked { get; set; }
+
+        /// <summary>
+        /// The date this beatmap set was last updated.
+        /// </summary>
+        public DateTimeOffset? LastUpdated { get; set; }
+
         /// <summary>
         /// The different sizes of cover art for this beatmap set.
         /// </summary>
@@ -22,6 +44,11 @@ namespace osu.Game.Beatmaps
         [JsonProperty(@"previewUrl")]
         public string Preview { get; set; }
 
+        /// <summary>
+        /// The beats per minute of this beatmap set's song.
+        /// </summary>
+        public double BPM { get; set; }
+
         /// <summary>
         /// The amount of plays this beatmap set has.
         /// </summary>

osu.Game/Beatmaps/BeatmapStatistic.cs

@@ -3,7 +3,7 @@
 
 using osu.Game.Graphics;
 
-namespace osu.Game.Rulesets
+namespace osu.Game.Beatmaps
 {
     public class BeatmapStatistic
     {

osu.Game/Beatmaps/DifficultyCalculator.cs

@@ -1,7 +1,6 @@
 // Copyright (c) 2007-2017 ppy Pty Ltd <contact@ppy.sh>.
 // Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
 
-using osu.Game.Rulesets.Beatmaps;
 using osu.Game.Rulesets.Objects;
 using System.Collections.Generic;
 

osu.Game/Beatmaps/IO/LegacyFilesystemReader.cs

@@ -1,6 +1,7 @@
 // Copyright (c) 2007-2017 ppy Pty Ltd <contact@ppy.sh>.
 // Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
 
+using osu.Framework.IO.File;
 using System.Collections.Generic;
 using System.IO;
 using System.Linq;
@@ -26,7 +27,7 @@ namespace osu.Game.Beatmaps.IO
             // no-op
         }
 
-        public override IEnumerable<string> Filenames => Directory.GetFiles(path).Select(Path.GetFileName).ToArray();
+        public override IEnumerable<string> Filenames => Directory.GetFiles(path, "*", SearchOption.AllDirectories).Select(f => FileSafety.GetRelativePath(f, path)).ToArray();
 
         public override Stream GetUnderlyingStream() => null;
     }

osu.Game/Beatmaps/WorkingBeatmap.cs

@@ -25,7 +25,7 @@ namespace osu.Game.Beatmaps
         {
             BeatmapInfo = beatmapInfo;
             BeatmapSetInfo = beatmapInfo.BeatmapSet;
-            Metadata = beatmapInfo.Metadata ?? BeatmapSetInfo.Metadata;
+            Metadata = beatmapInfo.Metadata ?? BeatmapSetInfo?.Metadata ?? new BeatmapMetadata();
 
             Mods.ValueChanged += mods => applyRateAdjustments();
         }

osu.Game/Configuration/OsuConfigManager.cs

@@ -54,6 +54,9 @@ namespace osu.Game.Configuration
             // Graphics
             Set(OsuSetting.ShowFpsDisplay, false);
 
+            Set(OsuSetting.ShowStoryboard, true);
+            Set(OsuSetting.CursorRotation, true);
+
             Set(OsuSetting.MenuParallax, true);
 
             Set(OsuSetting.SnakingInSliders, true);
@@ -87,6 +90,7 @@ namespace osu.Game.Configuration
         GameplayCursorSize,
         AutoCursorSize,
         DimLevel,
+        ShowStoryboard,
         KeyOverlay,
         FloatingComments,
         PlaybackSpeed,
@@ -96,6 +100,7 @@ namespace osu.Game.Configuration
         AudioOffset,
         MenuMusic,
         MenuVoice,
+        CursorRotation,
         MenuParallax,
         BeatmapDetailTab,
         Username,

osu.Game/Graphics/Cursor/MenuCursor.cs

@@ -20,13 +20,14 @@ namespace osu.Game.Graphics.Cursor
     {
         protected override Drawable CreateCursor() => new Cursor();
 
+        private Bindable<bool> cursorRotate;
         private bool dragging;
 
         private bool startRotation;
 
         protected override bool OnMouseMove(InputState state)
         {
-            if (dragging)
+            if (cursorRotate && dragging)
             {
                 Debug.Assert(state.Mouse.PositionMouseDown != null);
 
@@ -102,6 +103,12 @@ namespace osu.Game.Graphics.Cursor
             ActiveCursor.ScaleTo(0, 500, Easing.In);
         }
 
+        [BackgroundDependencyLoader]
+        private void load(OsuConfigManager config)
+        {
+            cursorRotate = config.GetBindable<bool>(OsuSetting.CursorRotation);
+        }
+
         public class Cursor : Container
         {
             private Container cursorContainer;

osu.Game/IO/FileStore.cs

@@ -78,33 +78,33 @@ namespace osu.Game.IO
             }
         }
 
-        public FileInfo Add(Stream data)
+        public FileInfo Add(Stream data, bool reference = true)
         {
             string hash = data.ComputeSHA2Hash();
 
             var existing = Connection.Table<FileInfo>().Where(f => f.Hash == hash).FirstOrDefault();
 
             var info = existing ?? new FileInfo { Hash = hash };
-            if (existing != null)
+
+            string path = Path.Combine(prefix, info.StoragePath);
+
+            // we may be re-adding a file to fix missing store entries.
+            if (!Storage.Exists(path))
             {
-                info = existing;
+                data.Seek(0, SeekOrigin.Begin);
+
+                using (var output = Storage.GetStream(path, FileAccess.Write))
+                    data.CopyTo(output);
+
+                data.Seek(0, SeekOrigin.Begin);
             }
-            else
-            {
-                string path = Path.Combine(prefix, info.StoragePath);
-
-                data.Seek(0, SeekOrigin.Begin);
-
-                if (!Storage.Exists(path))
-                    using (var output = Storage.GetStream(path, FileAccess.Write))
-                        data.CopyTo(output);
-
-                data.Seek(0, SeekOrigin.Begin);
 
+            if (existing == null)
                 Connection.Insert(info);
-            }
 
-            Reference(info);
+            if (reference || existing == null)
+                Reference(info);
+
             return info;
         }
 

osu.Game/IO/Legacy/SerializationReader.cs

@@ -49,7 +49,7 @@ namespace osu.Game.IO.Legacy
             int len = ReadInt32();
             if (len > 0) return ReadBytes(len);
             if (len < 0) return null;
-            return new byte[0];
+            return Array.Empty<byte>();
         }
 
         /// <summary> Reads a char array from the buffer, handling nulls and the array length. </summary>
@@ -58,7 +58,7 @@ namespace osu.Game.IO.Legacy
             int len = ReadInt32();
             if (len > 0) return ReadChars(len);
             if (len < 0) return null;
-            return new char[0];
+            return Array.Empty<char>();
         }
 
         /// <summary> Reads a DateTime from the buffer. </summary>

osu.Game/Online/API/APIAccess.cs

@@ -101,18 +101,16 @@ namespace osu.Game.Online.API
                         }
                         break;
                     case APIState.Offline:
+                    case APIState.Connecting:
                         //work to restore a connection...
                         if (!HasLogin)
                         {
-                            //OsuGame.Scheduler.Add(() => { OsuGame.ShowLogin(); });
-
                             State = APIState.Offline;
-                            Thread.Sleep(500);
+                            Thread.Sleep(50);
                             continue;
                         }
 
-                        if (State < APIState.Connecting)
-                            State = APIState.Connecting;
+                        State = APIState.Connecting;
 
                         if (!authentication.HasValidAccessToken && !authentication.AuthenticateWithLogin(Username, Password))
                         {
@@ -125,7 +123,8 @@ namespace osu.Game.Online.API
 
 
                         var userReq = new GetUserRequest();
-                        userReq.Success += u => {
+                        userReq.Success += u =>
+                        {
                             LocalUser.Value = u;
                             //we're connected!
                             State = APIState.Online;
@@ -133,16 +132,14 @@ namespace osu.Game.Online.API
                         };
 
                         if (!handleRequest(userReq))
-                        {
-                            State = APIState.Failing;
                             continue;
-                        }
                         break;
                 }
 
                 //hard bail if we can't get a valid access token.
                 if (authentication.RequestAccessToken() == null)
                 {
+                    Logout(false);
                     State = APIState.Offline;
                     continue;
                 }
@@ -162,20 +159,12 @@ namespace osu.Game.Online.API
             }
         }
 
-        private void clearCredentials()
-        {
-            Username = null;
-            Password = null;
-        }
-
         public void Login(string username, string password)
         {
             Debug.Assert(State == APIState.Offline);
 
             Username = username;
             Password = password;
-
-            State = APIState.Connecting;
         }
 
         /// <summary>
@@ -204,7 +193,7 @@ namespace osu.Game.Online.API
                 switch (statusCode)
                 {
                     case HttpStatusCode.Unauthorized:
-                        State = APIState.Offline;
+                        Logout(false);
                         return true;
                     case HttpStatusCode.RequestTimeout:
                         failureCount++;
@@ -215,6 +204,7 @@ namespace osu.Game.Online.API
                             return false;
 
                         State = APIState.Failing;
+                        flushQueue();
                         return true;
                 }
 
@@ -235,33 +225,21 @@ namespace osu.Game.Online.API
         public APIState State
         {
             get { return state; }
-            set
+            private set
             {
                 APIState oldState = state;
                 APIState newState = value;
 
                 state = value;
 
-                switch (state)
-                {
-                    case APIState.Failing:
-                    case APIState.Offline:
-                        flushQueue();
-                        break;
-                }
-
                 if (oldState != newState)
                 {
-                    //OsuGame.Scheduler.Add(delegate
+                    log.Add($@"We just went {newState}!");
+                    Scheduler.Add(delegate
                     {
-                        //NotificationOverlay.ShowMessage($@"We just went {newState}!", newState == APIState.Online ? Color4.YellowGreen : Color4.OrangeRed, 5000);
-                        log.Add($@"We just went {newState}!");
-                        Scheduler.Add(delegate
-                        {
-                            components.ForEach(c => c.APIStateChanged(this, newState));
-                            OnStateChange?.Invoke(oldState, newState);
-                        });
-                    }
+                        components.ForEach(c => c.APIStateChanged(this, newState));
+                        OnStateChange?.Invoke(oldState, newState);
+                    });
                 }
             }
         }
@@ -292,11 +270,12 @@ namespace osu.Game.Online.API
             }
         }
 
-        public void Logout()
+        public void Logout(bool clearUsername = true)
         {
-            clearCredentials();
+            flushQueue();
+            if (clearUsername) Username = null;
+            Password = null;
             authentication.Clear();
-            State = APIState.Offline;
             LocalUser.Value = createGuestUser();
         }
 

osu.Game/Online/API/APIRequest.cs

@@ -2,7 +2,6 @@
 // Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
 
 using System;
-using osu.Framework.Extensions;
 using osu.Framework.IO.Network;
 
 namespace osu.Game.Online.API
@@ -70,13 +69,11 @@ namespace osu.Game.Online.API
 
         protected virtual string Uri => $@"{API.Endpoint}/api/v2/{Target}";
 
-        private double remainingTime => Math.Max(0, Timeout - (DateTime.Now.TotalMilliseconds() - (startTime ?? 0)));
+        private double remainingTime => Math.Max(0, Timeout - (DateTimeOffset.UtcNow - (startTime ?? DateTimeOffset.MinValue)).TotalMilliseconds);
 
         public bool ExceededTimeout => remainingTime == 0;
 
-        private double? startTime;
-
-        public double StartTime => startTime ?? -1;
+        private DateTimeOffset? startTime;
 
         protected APIAccess API;
         protected WebRequest WebRequest;
@@ -96,7 +93,7 @@ namespace osu.Game.Online.API
                 return;
 
             if (startTime == null)
-                startTime = DateTime.Now.TotalMilliseconds();
+                startTime = DateTimeOffset.UtcNow;
 
             if (remainingTime <= 0)
                 throw new TimeoutException(@"API request timeout hit");

osu.Game/Online/API/OAuth.cs

@@ -27,42 +27,45 @@ namespace osu.Game.Online.API
 
         internal bool AuthenticateWithLogin(string username, string password)
         {
-            var req = new AccessTokenRequestPassword(username, password)
+            using (var req = new AccessTokenRequestPassword(username, password)
             {
                 Url = $@"{endpoint}/oauth/token",
                 Method = HttpMethod.POST,
                 ClientId = clientId,
                 ClientSecret = clientSecret
-            };
-
-            try
+            })
             {
-                req.BlockingPerform();
-            }
-            catch
-            {
-                return false;
-            }
+                try
+                {
+                    req.BlockingPerform();
+                }
+                catch
+                {
+                    return false;
+                }
 
-            Token = req.ResponseObject;
-            return true;
+                Token = req.ResponseObject;
+                return true;
+            }
         }
 
         internal bool AuthenticateWithRefresh(string refresh)
         {
             try
             {
-                var req = new AccessTokenRequestRefresh(refresh)
+                using (var req = new AccessTokenRequestRefresh(refresh)
                 {
                     Url = $@"{endpoint}/oauth/token",
                     Method = HttpMethod.POST,
                     ClientId = clientId,
                     ClientSecret = clientSecret
-                };
-                req.BlockingPerform();
+                })
+                {
+                    req.BlockingPerform();
 
-                Token = req.ResponseObject;
-                return true;
+                    Token = req.ResponseObject;
+                    return true;
+                }
             }
             catch
             {

osu.Game/Online/API/OAuthToken.cs

@@ -4,7 +4,6 @@
 using System;
 using System.Globalization;
 using Newtonsoft.Json;
-using osu.Framework.Extensions;
 
 namespace osu.Game.Online.API
 {
@@ -22,12 +21,12 @@ namespace osu.Game.Online.API
         {
             get
             {
-                return AccessTokenExpiry - DateTime.Now.ToUnixTimestamp();
+                return AccessTokenExpiry - DateTimeOffset.UtcNow.ToUnixTimeSeconds();
             }
 
             set
             {
-                AccessTokenExpiry = DateTime.Now.AddSeconds(value).ToUnixTimestamp();
+                AccessTokenExpiry = DateTimeOffset.Now.AddSeconds(value).ToUnixTimeSeconds();
             }
         }
 

osu.Game/Online/API/Requests/GetBeatmapDetailsRequest.cs

@@ -10,7 +10,7 @@ namespace osu.Game.Online.API.Requests
     {
         private readonly BeatmapInfo beatmap;
 
-        private string lookupString => beatmap.OnlineBeatmapID > 0 ? beatmap.OnlineBeatmapID.ToString() : $@"lookup?checksum={beatmap.Hash}&filename={beatmap.Path}";
+        private string lookupString => beatmap.OnlineBeatmapID > 0 ? beatmap.OnlineBeatmapID.ToString() : $@"lookup?checksum={beatmap.Hash}&filename={System.Uri.EscapeUriString(beatmap.Path)}";
 
         public GetBeatmapDetailsRequest(BeatmapInfo beatmap)
         {

osu.Game/Online/API/Requests/GetBeatmapSetsRequest.cs

@@ -8,6 +8,7 @@ using osu.Game.Beatmaps;
 using osu.Game.Overlays;
 using osu.Game.Overlays.Direct;
 using osu.Game.Rulesets;
+using osu.Game.Users;
 
 namespace osu.Game.Online.API.Requests
 {
@@ -49,6 +50,12 @@ namespace osu.Game.Online.API.Requests
         [JsonProperty(@"id")]
         private int onlineId { get; set; }
 
+        [JsonProperty(@"creator")]
+        private string creatorUsername;
+
+        [JsonProperty(@"user_id")]
+        private long creatorId = 1;
+
         [JsonProperty(@"beatmaps")]
         private IEnumerable<GetBeatmapSetsBeatmapResponse> beatmaps { get; set; }
 
@@ -60,6 +67,11 @@ namespace osu.Game.Online.API.Requests
                 Metadata = this,
                 OnlineInfo = new BeatmapSetOnlineInfo
                 {
+                    Author = new User
+                    {
+                        Id = creatorId,
+                        Username = creatorUsername,
+                    },
                     Covers = covers,
                     Preview = preview,
                     PlayCount = playCount,

osu.Game/Online/API/Requests/GetScoresRequest.cs

@@ -5,7 +5,6 @@ using System;
 using System.Collections.Generic;
 using System.Linq;
 using Newtonsoft.Json;
-using osu.Framework.IO.Network;
 using osu.Game.Beatmaps;
 using osu.Game.Users;
 using osu.Game.Rulesets.Replays;
@@ -19,6 +18,9 @@ namespace osu.Game.Online.API.Requests
 
         public GetScoresRequest(BeatmapInfo beatmap)
         {
+            if (!beatmap.OnlineBeatmapID.HasValue)
+                throw new InvalidOperationException($"Cannot lookup a beatmap's scores without having a populated {nameof(BeatmapInfo.OnlineBeatmapID)}.");
+
             this.beatmap = beatmap;
 
             Success += onSuccess;
@@ -30,14 +32,6 @@ namespace osu.Game.Online.API.Requests
                 score.ApplyBeatmap(beatmap);
         }
 
-        protected override WebRequest CreateWebRequest()
-        {
-            var req = base.CreateWebRequest();
-            //req.AddParameter(@"c", beatmap.Hash);
-            //req.AddParameter(@"f", beatmap.Path);
-            return req;
-        }
-
         protected override string Target => $@"beatmaps/{beatmap.OnlineBeatmapID}/scores";
     }
 
@@ -86,7 +80,7 @@ namespace osu.Game.Online.API.Requests
         }
 
         [JsonProperty(@"statistics")]
-        private Dictionary<string, dynamic> jsonStats
+        private Dictionary<string, object> jsonStats
         {
             set
             {

osu.Game/Online/API/Requests/PostMessageRequest.cs

@@ -23,6 +23,7 @@ namespace osu.Game.Online.API.Requests
             req.Method = HttpMethod.POST;
             req.AddParameter(@"target_type", message.TargetType.GetDescription());
             req.AddParameter(@"target_id", message.TargetId.ToString());
+            req.AddParameter(@"is_action", message.IsAction.ToString().ToLower());
             req.AddParameter(@"message", message.Content);
 
             return req;
@@ -30,4 +31,4 @@ namespace osu.Game.Online.API.Requests
 
         protected override string Target => @"chat/messages";
     }
-}
+}

osu.Game/Online/Chat/ErrorMessage.cs

@@ -1,25 +1,13 @@
 // Copyright (c) 2007-2017 ppy Pty Ltd <contact@ppy.sh>.
 // Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
 
-using System;
-using osu.Game.Users;
-
 namespace osu.Game.Online.Chat
 {
-    public class ErrorMessage : Message
+    public class ErrorMessage : InfoMessage
     {
-        private static int errorId = -1;
-
-        public ErrorMessage(string message) : base(errorId--)
+        public ErrorMessage(string message) : base(message)
         {
-            Timestamp = DateTimeOffset.Now;
-            Content = message;
-
-            Sender = new User
-            {
-                Username = @"system",
-                Colour = @"ff0000",
-            };
+            Sender.Colour = @"ff0000";
         }
     }
-}
+}

osu.Game/Online/Chat/InfoMessage.cs

@@ -0,0 +1,25 @@
+// Copyright (c) 2007-2017 ppy Pty Ltd <contact@ppy.sh>.
+// Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
+
+using System;
+using osu.Game.Users;
+
+namespace osu.Game.Online.Chat
+{
+    public class InfoMessage : Message
+    {
+        private static int infoID = -1;
+
+        public InfoMessage(string message) : base(infoID--)
+        {
+            Timestamp = DateTimeOffset.Now;
+            Content = message;
+
+            Sender = new User
+            {
+                Username = @"system",
+                Colour = @"0000ff",
+            };
+        }
+    }
+}

osu.Game/Online/Chat/Message.cs

@@ -23,6 +23,9 @@ namespace osu.Game.Online.Chat
         [JsonProperty(@"target_id")]
         public int TargetId;
 
+        [JsonProperty(@"is_action")]
+        public bool IsAction;
+
         [JsonProperty(@"timestamp")]
         public DateTimeOffset Timestamp;
 

osu.Game/OsuGame.cs

@@ -47,6 +47,8 @@ namespace osu.Game
 
         private UserProfileOverlay userProfile;
 
+        private BeatmapSetOverlay beatmapSetOverlay;
+
         public virtual Storage GetStorageForStableInstall() => null;
 
         private Intro intro
@@ -187,6 +189,7 @@ namespace osu.Game
                 Depth = -1
             }, overlayContent.Add);
             LoadComponentAsync(userProfile = new UserProfileOverlay { Depth = -2 }, mainContent.Add);
+            LoadComponentAsync(beatmapSetOverlay = new BeatmapSetOverlay { Depth = -2 }, mainContent.Add);
             LoadComponentAsync(musicController = new MusicController
             {
                 Depth = -3,
@@ -223,6 +226,7 @@ namespace osu.Game
             dependencies.Cache(chat);
             dependencies.Cache(userProfile);
             dependencies.Cache(musicController);
+            dependencies.Cache(beatmapSetOverlay);
             dependencies.Cache(notificationOverlay);
             dependencies.Cache(dialogOverlay);
 

osu.Game/OsuGameBase.cs

@@ -6,6 +6,7 @@ using System.Diagnostics;
 using System.Reflection;
 using osu.Framework.Allocation;
 using osu.Framework.Configuration;
+using osu.Framework.Development;
 using osu.Framework.Graphics;
 using osu.Framework.Graphics.Containers;
 using osu.Framework.IO.Stores;
@@ -59,25 +60,12 @@ namespace osu.Game
 
         public bool IsDeployedBuild => AssemblyName.Version.Major > 0;
 
-        public bool IsDebug
-        {
-            get
-            {
-                // ReSharper disable once RedundantAssignment
-                bool isDebug = false;
-                // Debug.Assert conditions are only evaluated in debug mode
-                Debug.Assert(isDebug = true);
-                // ReSharper disable once ConditionIsAlwaysTrueOrFalse
-                return isDebug;
-            }
-        }
-
         public string Version
         {
             get
             {
                 if (!IsDeployedBuild)
-                    return @"local " + (IsDebug ? @"debug" : @"release");
+                    return @"local " + (DebugUtils.IsDebug ? @"debug" : @"release");
 
                 var assembly = AssemblyName;
                 return $@"{assembly.Version.Major}.{assembly.Version.Minor}.{assembly.Version.Build}";
@@ -94,6 +82,13 @@ namespace osu.Game
         protected override IReadOnlyDependencyContainer CreateLocalDependencies(IReadOnlyDependencyContainer parent) =>
             dependencies = new DependencyContainer(base.CreateLocalDependencies(parent));
 
+        private SQLiteConnection createConnection()
+        {
+            var conn = Host.Storage.GetDatabase(@"client");
+            conn.BusyTimeout = new TimeSpan(TimeSpan.TicksPerSecond * 10);
+            return conn;
+        }
+
         private SQLiteConnection connection;
 
         [BackgroundDependencyLoader]
@@ -102,8 +97,7 @@ namespace osu.Game
             dependencies.Cache(this);
             dependencies.Cache(LocalConfig);
 
-            connection = Host.Storage.GetDatabase(@"client");
-
+            connection = createConnection();
             connection.CreateTable<StoreVersion>();
 
             dependencies.Cache(API = new APIAccess
@@ -243,7 +237,7 @@ namespace osu.Game
                 LocalConfig.Save();
             }
 
-            connection.Dispose();
+            connection?.Dispose();
 
             base.Dispose(isDisposing);
         }

osu.Game/OsuGameDesktop.cs

@@ -2,21 +2,19 @@
 // Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
 
 using System;
-using osu.Game;
-using System.Linq;
-using System.Windows.Forms;
-using osu.Framework.Platform;
-using osu.Framework.Desktop.Platform;
-using osu.Desktop.Overlays;
-using System.Reflection;
 using System.Drawing;
 using System.IO;
+using System.Linq;
+using System.Reflection;
 using System.Threading.Tasks;
+using System.Windows.Forms;
 using Microsoft.Win32;
 using osu.Framework.Graphics.Containers;
+using osu.Framework.Platform;
+using osu.Game.Overlays;
 using osu.Game.Screens.Menu;
 
-namespace osu.Desktop
+namespace osu.Game
 {
     internal class OsuGameDesktop : OsuGame
     {

osu.Game/OsuTestBrowser.cs

@@ -3,10 +3,9 @@
 
 using osu.Framework.Platform;
 using osu.Framework.Testing;
-using osu.Game;
 using osu.Game.Screens.Backgrounds;
 
-namespace osu.Desktop
+namespace osu.Game
 {
     internal class OsuTestBrowser : OsuGameBase
     {
@@ -24,11 +23,6 @@ namespace osu.Desktop
         public override void SetHost(GameHost host)
         {
             base.SetHost(host);
-
-            host.UpdateThread.InactiveHz = host.UpdateThread.ActiveHz;
-            host.DrawThread.InactiveHz = host.DrawThread.ActiveHz;
-            host.InputThread.InactiveHz = host.InputThread.ActiveHz;
-
             host.Window.CursorState |= CursorState.Hidden;
         }
     }

osu.Game/Overlays/BeatmapSet/AuthorInfo.cs

@@ -0,0 +1,107 @@
+// Copyright (c) 2007-2017 ppy Pty Ltd <contact@ppy.sh>.
+// Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
+
+using osu.Framework.Extensions.Color4Extensions;
+using osu.Framework.Graphics;
+using osu.Framework.Graphics.Containers;
+using osu.Game.Beatmaps;
+using osu.Game.Graphics.Sprites;
+using osu.Game.Users;
+using OpenTK;
+using OpenTK.Graphics;
+
+namespace osu.Game.Overlays.BeatmapSet
+{
+    public class AuthorInfo : Container
+    {
+        private const float height = 50;
+
+        private readonly UpdateableAvatar avatar;
+        private readonly FillFlowContainer fields;
+
+        private BeatmapSetInfo beatmapSet;
+        public BeatmapSetInfo BeatmapSet
+        {
+            get { return beatmapSet; }
+            set
+            {
+                if (value == beatmapSet) return;
+                beatmapSet = value;
+
+                var i = BeatmapSet.OnlineInfo;
+
+                avatar.User = i.Author;
+                fields.Children = new Drawable[]
+                {
+                    new Field("made by", i.Author.Username, @"Exo2.0-RegularItalic"),
+                    new Field("submitted on", i.Submitted.ToString(@"MMM d, yyyy"), @"Exo2.0-Bold")
+                    {
+                        Margin = new MarginPadding { Top = 5 },
+                    },
+                };
+
+                if (i.Ranked.HasValue)
+                {
+                    fields.Add(new Field("ranked on ", i.Ranked.Value.ToString(@"MMM d, yyyy"), @"Exo2.0-Bold"));
+                }
+                else if (i.LastUpdated.HasValue)
+                {
+                    fields.Add(new Field("last updated on ", i.LastUpdated.Value.ToString(@"MMM d, yyyy"), @"Exo2.0-Bold"));
+                }
+            }
+        }
+
+        public AuthorInfo()
+        {
+            RelativeSizeAxes = Axes.X;
+            Height = height;
+
+            Children = new Drawable[]
+            {
+                avatar = new UpdateableAvatar
+                {
+                    Size = new Vector2(height),
+                    CornerRadius = 3,
+                    Masking = true,
+                    EdgeEffect = new EdgeEffectParameters
+                    {
+                        Colour = Color4.Black.Opacity(0.25f),
+                        Type = EdgeEffectType.Shadow,
+                        Radius = 3,
+                        Offset = new Vector2(0f, 1f),
+                    },
+                },
+                fields = new FillFlowContainer
+                {
+                    RelativeSizeAxes = Axes.Both,
+                    Direction = FillDirection.Vertical,
+                    Padding = new MarginPadding { Left = height + 5 },
+                },
+            };
+        }
+
+        private class Field : FillFlowContainer
+        {
+            public Field(string first, string second, string secondFont)
+            {
+                AutoSizeAxes = Axes.Both;
+                Direction = FillDirection.Horizontal;
+
+                Children = new[]
+                {
+                    new OsuSpriteText
+                    {
+                        Text = $"{first} ",
+                        TextSize = 13,
+                    },
+                    new OsuSpriteText
+                    {
+                        Text = second,
+                        TextSize = 13,
+                        Font = secondFont,
+                    },
+                };
+            }
+        }
+    }
+}

osu.Game/Overlays/BeatmapSet/BasicStats.cs

@@ -0,0 +1,130 @@
+// Copyright (c) 2007-2017 ppy Pty Ltd <contact@ppy.sh>.
+// Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
+
+using System;
+using osu.Framework.Allocation;
+using osu.Framework.Graphics;
+using osu.Framework.Graphics.Containers;
+using osu.Framework.Graphics.Cursor;
+using osu.Game.Beatmaps;
+using osu.Game.Graphics;
+using osu.Game.Graphics.Sprites;
+using OpenTK;
+
+namespace osu.Game.Overlays.BeatmapSet
+{
+    public class BasicStats : Container
+    {
+        private readonly Statistic length, bpm, circleCount, sliderCount;
+
+        private BeatmapSetInfo beatmapSet;
+        public BeatmapSetInfo BeatmapSet
+        {
+            get { return beatmapSet; }
+            set
+            {
+                if (value == beatmapSet) return;
+                beatmapSet = value;
+
+                bpm.Value = BeatmapSet.OnlineInfo.BPM.ToString(@"0.##");
+            }
+        }
+
+        private BeatmapInfo beatmap;
+        public BeatmapInfo Beatmap
+        {
+            get { return beatmap; }
+            set
+            {
+                if (value == beatmap) return;
+                beatmap = value;
+
+                length.Value = TimeSpan.FromMilliseconds(beatmap.OnlineInfo.Length).ToString(@"m\:ss");
+                circleCount.Value = beatmap.OnlineInfo.CircleCount.ToString("N0");
+                sliderCount.Value = beatmap.OnlineInfo.SliderCount.ToString("N0");
+            }
+        }
+
+        public BasicStats()
+        {
+            Child = new FillFlowContainer
+            {
+                RelativeSizeAxes = Axes.X,
+                AutoSizeAxes = Axes.Y,
+                Direction = FillDirection.Horizontal,
+                Children = new[]
+                {
+                    length = new Statistic(FontAwesome.fa_clock_o, "Length") { Width = 0.25f },
+                    bpm = new Statistic(FontAwesome.fa_circle, "BPM") { Width = 0.25f },
+                    circleCount = new Statistic(FontAwesome.fa_circle_o, "Circle Count") { Width = 0.25f },
+                    sliderCount = new Statistic(FontAwesome.fa_circle, "Slider Count") { Width = 0.25f },
+                },
+            };
+        }
+
+        private class Statistic : Container, IHasTooltip
+        {
+            private readonly string name;
+            private readonly OsuSpriteText value;
+
+            public string TooltipText => name;
+            public string Value
+            {
+                get { return value.Text; }
+                set { this.value.Text = value; }
+            }
+
+            public Statistic(FontAwesome icon, string name)
+            {
+                this.name = name;
+                RelativeSizeAxes = Axes.X;
+                AutoSizeAxes = Axes.Y;
+
+                Children = new Drawable[]
+                {
+                    new Container
+                    {
+                        Anchor = Anchor.Centre,
+                        Origin = Anchor.Centre,
+                        AutoSizeAxes = Axes.Both,
+                        Children = new Drawable[]
+                        {
+                            new SpriteIcon
+                            {
+                                Anchor = Anchor.CentreLeft,
+                                Origin = Anchor.Centre,
+                                Icon = FontAwesome.fa_square,
+                                Size = new Vector2(13),
+                                Rotation = 45,
+                                Colour = OsuColour.FromHex(@"441288"),
+                            },
+                            new SpriteIcon
+                            {
+                                Anchor = Anchor.CentreLeft,
+                                Origin = Anchor.Centre,
+                                Icon = icon,
+                                Size = new Vector2(13),
+                                Colour = OsuColour.FromHex(@"f7dd55"),
+                                Scale = new Vector2(0.8f),
+                            },
+                            value = new OsuSpriteText
+                            {
+                                Anchor = Anchor.CentreLeft,
+                                Origin = Anchor.CentreLeft,
+                                TextSize = 13,
+                                Font = @"Exo2.0-Bold",
+                                Margin = new MarginPadding { Left = 10 },
+                            },
+                        },
+                    },
+                };
+            }
+
+            [BackgroundDependencyLoader]
+            private void load(OsuColour colour)
+            {
+                value.Colour = colour.Yellow;
+            }
+        }
+    }
+}

osu.Game/Overlays/BeatmapSet/BeatmapPicker.cs

@@ -0,0 +1,312 @@
+// Copyright (c) 2007-2017 ppy Pty Ltd <contact@ppy.sh>.
+// Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
+
+using System;
+using System.Linq;
+using osu.Framework;
+using osu.Framework.Allocation;
+using osu.Framework.Configuration;
+using osu.Framework.Extensions.Color4Extensions;
+using osu.Framework.Graphics;
+using osu.Framework.Graphics.Containers;
+using osu.Framework.Graphics.Shapes;
+using osu.Framework.Input;
+using osu.Game.Beatmaps;
+using osu.Game.Beatmaps.Drawables;
+using osu.Game.Graphics;
+using osu.Game.Graphics.Containers;
+using osu.Game.Graphics.Sprites;
+using OpenTK;
+using OpenTK.Graphics;
+
+namespace osu.Game.Overlays.BeatmapSet
+{
+    public class BeatmapPicker : Container
+    {
+        private const float tile_icon_padding = 7;
+        private const float tile_spacing = 2;
+
+        private readonly DifficultiesContainer difficulties;
+        private readonly OsuSpriteText version, starRating;
+        private readonly Statistic plays, favourites;
+
+        public readonly Bindable<BeatmapInfo> Beatmap = new Bindable<BeatmapInfo>();
+
+        private BeatmapSetInfo beatmapSet;
+        public BeatmapSetInfo BeatmapSet
+        {
+            get { return beatmapSet; }
+            set
+            {
+                if (value == beatmapSet) return;
+                beatmapSet = value;
+
+                Beatmap.Value = BeatmapSet.Beatmaps.First();
+                plays.Value = BeatmapSet.OnlineInfo.PlayCount;
+                favourites.Value = BeatmapSet.OnlineInfo.FavouriteCount;
+                difficulties.ChildrenEnumerable = BeatmapSet.Beatmaps.Select(b => new DifficultySelectorButton(b)
+                {
+                    State = DifficultySelectorState.NotSelected,
+                    OnHovered = beatmap =>
+                    {
+                        showBeatmap(beatmap);
+                        starRating.Text = beatmap.StarDifficulty.ToString("Star Difficulty 0.##");
+                        starRating.FadeIn(100);
+                    },
+                    OnClicked = beatmap =>
+                    {
+                        Beatmap.Value = beatmap;
+                    },
+                });
+
+                updateDifficultyButtons();
+            }
+        }
+
+        public BeatmapPicker()
+        {
+            RelativeSizeAxes = Axes.X;
+            AutoSizeAxes = Axes.Y;
+
+            Children = new Drawable[]
+            {
+                new FillFlowContainer
+                {
+                    AutoSizeAxes = Axes.Y,
+                    RelativeSizeAxes = Axes.X,
+                    Direction = FillDirection.Vertical,
+                    Children = new Drawable[]
+                    {
+                        difficulties = new DifficultiesContainer
+                        {
+                            AutoSizeAxes = Axes.Both,
+                            Margin = new MarginPadding { Left = -(tile_icon_padding + tile_spacing / 2) },
+                            OnLostHover = () =>
+                            {
+                                showBeatmap(Beatmap.Value);
+                                starRating.FadeOut(100);
+                            },
+                        },
+                        new FillFlowContainer
+                        {
+                            AutoSizeAxes = Axes.Both,
+                            Margin = new MarginPadding { Top = 10 },
+                            Spacing = new Vector2(5f),
+                            Children = new[]
+                            {
+                                version = new OsuSpriteText
+                                {
+                                    Anchor = Anchor.BottomLeft,
+                                    Origin = Anchor.BottomLeft,
+                                    TextSize = 20,
+                                    Font = @"Exo2.0-Bold",
+                                },
+                                starRating = new OsuSpriteText
+                                {
+                                    Anchor = Anchor.BottomLeft,
+                                    Origin = Anchor.BottomLeft,
+                                    TextSize = 13,
+                                    Font = @"Exo2.0-Bold",
+                                    Text = "Star Difficulty",
+                                    Alpha = 0,
+                                    Margin = new MarginPadding { Bottom = 1 },
+                                },
+                            },
+                        },
+                        new FillFlowContainer
+                        {
+                            RelativeSizeAxes = Axes.X,
+                            AutoSizeAxes = Axes.Y,
+                            Spacing = new Vector2(10f),
+                            Margin = new MarginPadding { Top = 5 },
+                            Children = new[]
+                            {
+                                plays = new Statistic(FontAwesome.fa_play_circle),
+                                favourites = new Statistic(FontAwesome.fa_heart),
+                            },
+                        },
+                    },
+                },
+            };
+
+            Beatmap.ValueChanged += b =>
+            {
+                showBeatmap(b);
+                updateDifficultyButtons();
+            };
+        }
+
+        [BackgroundDependencyLoader]
+        private void load(OsuColour colours)
+        {
+            starRating.Colour = colours.Yellow;
+        }
+
+        protected override void LoadComplete()
+        {
+            base.LoadComplete();
+
+            // done here so everything can bind in intialization and get the first trigger
+            Beatmap.TriggerChange();
+        }
+
+        private void showBeatmap(BeatmapInfo beatmap) => version.Text = beatmap.Version;
+
+        private void updateDifficultyButtons()
+        {
+            difficulties.Children.ToList().ForEach(diff => diff.State = diff.Beatmap == Beatmap.Value ? DifficultySelectorState.Selected : DifficultySelectorState.NotSelected);
+        }
+
+        private class DifficultiesContainer : FillFlowContainer<DifficultySelectorButton>
+        {
+            public Action OnLostHover;
+
+            protected override void OnHoverLost(InputState state)
+            {
+                base.OnHoverLost(state);
+                OnLostHover?.Invoke();
+            }
+        }
+
+        private class DifficultySelectorButton : OsuClickableContainer, IStateful<DifficultySelectorState>
+        {
+            private const float transition_duration = 100;
+            private const float size = 52;
+
+            private readonly Container bg;
+            private readonly DifficultyIcon icon;
+
+            public readonly BeatmapInfo Beatmap;
+
+            public Action<BeatmapInfo> OnHovered;
+            public Action<BeatmapInfo> OnClicked;
+            public event Action<DifficultySelectorState> StateChanged;
+
+            private DifficultySelectorState state;
+            public DifficultySelectorState State
+            {
+                get { return state; }
+                set
+                {
+                    if (value == state) return;
+                    state = value;
+
+                    StateChanged?.Invoke(State);
+                    if (value == DifficultySelectorState.Selected)
+                        fadeIn();
+                    else
+                        fadeOut();
+                }
+            }
+
+            public DifficultySelectorButton(BeatmapInfo beatmap)
+            {
+                Beatmap = beatmap;
+                Size = new Vector2(size);
+                Margin = new MarginPadding { Horizontal = tile_spacing / 2 };
+
+                Children = new Drawable[]
+                {
+                    bg = new Container
+                    {
+                        RelativeSizeAxes = Axes.Both,
+                        Masking = true,
+                        CornerRadius = 4,
+                        Child = new Box
+                        {
+                            RelativeSizeAxes = Axes.Both,
+                            Colour = Color4.Black.Opacity(0.5f),
+                        },
+                    },
+                    icon = new DifficultyIcon(beatmap)
+                    {
+                        Anchor = Anchor.Centre,
+                        Origin = Anchor.Centre,
+                        Size = new Vector2(size - tile_icon_padding * 2),
+                        Margin = new MarginPadding { Bottom = 1 },
+                    },
+                };
+            }
+
+            protected override bool OnHover(InputState state)
+            {
+                fadeIn();
+                OnHovered?.Invoke(Beatmap);
+                return base.OnHover(state);
+            }
+
+            protected override void OnHoverLost(InputState state)
+            {
+                if (State == DifficultySelectorState.NotSelected)
+                    fadeOut();
+                base.OnHoverLost(state);
+            }
+
+            protected override bool OnClick(InputState state)
+            {
+                OnClicked?.Invoke(Beatmap);
+                return base.OnClick(state);
+            }
+
+            private void fadeIn()
+            {
+                bg.FadeIn(transition_duration);
+                icon.FadeIn(transition_duration);
+            }
+
+            private void fadeOut()
+            {
+                bg.FadeOut();
+                icon.FadeTo(0.7f, transition_duration);
+            }
+        }
+
+        private class Statistic : FillFlowContainer
+        {
+            private readonly OsuSpriteText text;
+
+            private int value;
+            public int Value
+            {
+                get { return value; }
+                set
+                {
+                    this.value = value;
+                    text.Text = Value.ToString(@"N0");
+                }
+            }
+
+            public Statistic(FontAwesome icon)
+            {
+                AutoSizeAxes = Axes.Both;
+                Direction = FillDirection.Horizontal;
+                Spacing = new Vector2(2f);
+
+                Children = new Drawable[]
+                {
+                    new SpriteIcon
+                    {
+                        Anchor = Anchor.CentreLeft,
+                        Origin = Anchor.CentreLeft,
+                        Icon = icon,
+                        Shadow = true,
+                        Size = new Vector2(13),
+                    },
+                    text = new OsuSpriteText
+                    {
+                        Anchor = Anchor.CentreLeft,
+                        Origin = Anchor.CentreLeft,
+                        Font = @"Exo2.0-SemiBoldItalic",
+                        TextSize = 14,
+                    },
+                };
+            }
+        }
+
+        private enum DifficultySelectorState
+        {
+            Selected,
+            NotSelected,
+        }
+    }
+}

osu.Game/Overlays/BeatmapSet/Details.cs

@@ -0,0 +1,118 @@
+// Copyright (c) 2007-2017 ppy Pty Ltd <contact@ppy.sh>.
+// Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
+
+using osu.Framework.Extensions.Color4Extensions;
+using osu.Framework.Graphics;
+using osu.Framework.Graphics.Containers;
+using osu.Framework.Graphics.Shapes;
+using osu.Game.Beatmaps;
+using osu.Game.Screens.Select.Details;
+using OpenTK;
+using OpenTK.Graphics;
+
+namespace osu.Game.Overlays.BeatmapSet
+{
+    public class Details : FillFlowContainer
+    {
+        private readonly PreviewButton preview;
+        private readonly BasicStats basic;
+        private readonly AdvancedStats advanced;
+        private readonly UserRatings ratings;
+
+        private BeatmapSetInfo beatmapSet;
+        public BeatmapSetInfo BeatmapSet
+        {
+            get { return beatmapSet; }
+            set
+            {
+                if (value == beatmapSet) return;
+                beatmapSet = value;
+
+                basic.BeatmapSet = preview.BeatmapSet = BeatmapSet;
+            }
+        }
+
+        private BeatmapInfo beatmap;
+        public BeatmapInfo Beatmap
+        {
+            get { return beatmap; }
+            set
+            {
+                if (value == beatmap) return;
+                beatmap = value;
+
+                basic.Beatmap = advanced.Beatmap = Beatmap;
+                ratings.Metrics = Beatmap.Metrics;
+            }
+        }
+
+        public Details()
+        {
+            Width = BeatmapSetOverlay.RIGHT_WIDTH;
+            AutoSizeAxes = Axes.Y;
+            Spacing = new Vector2(1f);
+
+            Children = new Drawable[]
+            {
+                preview = new PreviewButton
+                {
+                    RelativeSizeAxes = Axes.X,
+                },
+                new DetailBox
+                {
+                    Child = basic = new BasicStats
+                    {
+                        RelativeSizeAxes = Axes.X,
+                        AutoSizeAxes = Axes.Y,
+                        Margin = new MarginPadding { Vertical = 10 },
+                    },
+                },
+                new DetailBox
+                {
+                    Child = advanced = new AdvancedStats
+                    {
+                        RelativeSizeAxes = Axes.X,
+                        AutoSizeAxes = Axes.Y,
+                        Margin = new MarginPadding { Vertical = 7.5f },
+                    },
+                },
+                new DetailBox
+                {
+                    Child = ratings = new UserRatings
+                    {
+                        RelativeSizeAxes = Axes.X,
+                        Height = 95,
+                        Margin = new MarginPadding { Top = 10 },
+                    },
+                },
+            };
+        }
+
+        private class DetailBox : Container
+        {
+            private readonly Container content;
+            protected override Container<Drawable> Content => content;
+
+            public DetailBox()
+            {
+                RelativeSizeAxes = Axes.X;
+                AutoSizeAxes = Axes.Y;
+
+                InternalChildren = new Drawable[]
+                {
+                    new Box
+                    {
+                        RelativeSizeAxes = Axes.Both,
+                        Colour = Color4.Black.Opacity(0.5f),
+                    },
+                    content = new Container
+                    {
+                        RelativeSizeAxes = Axes.X,
+                        AutoSizeAxes = Axes.Y,
+                        Padding = new MarginPadding { Horizontal = 15 },
+                    },
+                };
+            }
+        }
+    }
+}

osu.Game/Overlays/BeatmapSet/DownloadButton.cs

@@ -0,0 +1,59 @@
+// Copyright (c) 2007-2017 ppy Pty Ltd <contact@ppy.sh>.
+// Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
+
+using osu.Framework.Graphics;
+using osu.Framework.Graphics.Containers;
+using osu.Game.Graphics;
+using osu.Game.Graphics.Sprites;
+using OpenTK;
+
+namespace osu.Game.Overlays.BeatmapSet
+{
+    public class DownloadButton : HeaderButton
+    {
+        public DownloadButton(string title, string subtitle)
+        {
+            Width = 120;
+            RelativeSizeAxes = Axes.Y;
+
+            Child = new Container
+            {
+                RelativeSizeAxes = Axes.Both,
+                Padding = new MarginPadding { Horizontal = 10 },
+                Children = new Drawable[]
+                {
+                    new FillFlowContainer
+                    {
+                        Anchor = Anchor.CentreLeft,
+                        Origin = Anchor.CentreLeft,
+                        AutoSizeAxes = Axes.Both,
+                        Direction = FillDirection.Vertical,
+                        Children = new[]
+                        {
+                            new OsuSpriteText
+                            {
+                                Text = title,
+                                TextSize = 13,
+                                Font = @"Exo2.0-Bold",
+                            },
+                            new OsuSpriteText
+                            {
+                                Text = subtitle,
+                                TextSize = 11,
+                                Font = @"Exo2.0-Bold",
+                            },
+                        },
+                    },
+                    new SpriteIcon
+                    {
+                        Anchor = Anchor.CentreRight,
+                        Origin = Anchor.CentreRight,
+                        Icon = FontAwesome.fa_download,
+                        Size = new Vector2(16),
+                        Margin = new MarginPadding { Right = 5 },
+                    },
+                },
+            };
+        }
+    }
+}

osu.Game/Overlays/BeatmapSet/FavouriteButton.cs

@@ -0,0 +1,80 @@
+// Copyright (c) 2007-2017 ppy Pty Ltd <contact@ppy.sh>.
+// Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
+
+using osu.Framework.Configuration;
+using osu.Framework.Graphics;
+using osu.Framework.Graphics.Containers;
+using osu.Framework.Graphics.Shapes;
+using osu.Game.Graphics;
+using osu.Game.Graphics.Backgrounds;
+using OpenTK;
+
+namespace osu.Game.Overlays.BeatmapSet
+{
+    public class FavouriteButton : HeaderButton
+    {
+        public readonly Bindable<bool> Favourited = new Bindable<bool>();
+
+        public FavouriteButton()
+        {
+            RelativeSizeAxes = Axes.Y;
+
+            Container pink;
+            SpriteIcon icon;
+            Children = new Drawable[]
+            {
+                pink = new Container
+                {
+                    RelativeSizeAxes = Axes.Both,
+                    Alpha = 0f,
+                    Children = new Drawable[]
+                    {
+                        new Box
+                        {
+                            RelativeSizeAxes = Axes.Both,
+                            Colour = OsuColour.FromHex(@"9f015f"),
+                        },
+                        new Triangles
+                        {
+                            RelativeSizeAxes = Axes.Both,
+                            ColourLight = OsuColour.FromHex(@"cb2187"),
+                            ColourDark = OsuColour.FromHex(@"9f015f"),
+                            TriangleScale = 1.5f,
+                        },
+                    },
+                },
+                icon = new SpriteIcon
+                {
+                    Anchor = Anchor.Centre,
+                    Origin = Anchor.Centre,
+                    Icon = FontAwesome.fa_heart_o,
+                    Size = new Vector2(18),
+                    Shadow = false,
+                },
+            };
+
+            Favourited.ValueChanged += value =>
+            {
+                if (value)
+                {
+                    pink.FadeIn(200);
+                    icon.Icon = FontAwesome.fa_heart;
+                }
+                else
+                {
+                    pink.FadeOut(200);
+                    icon.Icon = FontAwesome.fa_heart_o;
+                }
+            };
+
+            Action = () => Favourited.Value = !Favourited.Value;
+        }
+
+        protected override void UpdateAfterChildren()
+        {
+            base.UpdateAfterChildren();
+
+            Width = DrawHeight;
+        }
+    }
+}

osu.Game/Overlays/BeatmapSet/Header.cs

@@ -0,0 +1,228 @@
+// Copyright (c) 2007-2017 ppy Pty Ltd <contact@ppy.sh>.
+// Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
+
+using osu.Framework.Allocation;
+using osu.Framework.Extensions.Color4Extensions;
+using osu.Framework.Graphics;
+using osu.Framework.Graphics.Colour;
+using osu.Framework.Graphics.Containers;
+using osu.Framework.Graphics.Shapes;
+using osu.Game.Beatmaps;
+using osu.Game.Beatmaps.Drawables;
+using osu.Game.Graphics;
+using osu.Game.Graphics.Sprites;
+using OpenTK;
+using OpenTK.Graphics;
+
+namespace osu.Game.Overlays.BeatmapSet
+{
+    public class Header : Container
+    {
+        private const float transition_duration = 250;
+        private const float tabs_height = 50;
+        private const float buttons_height = 45;
+        private const float buttons_spacing = 5;
+
+        private readonly Box tabsBg;
+        private readonly Container coverContainer;
+        private readonly OsuSpriteText title, artist;
+        private readonly AuthorInfo author;
+        private readonly Details details;
+
+        private DelayedLoadWrapper cover;
+
+        public readonly BeatmapPicker Picker;
+
+        private BeatmapSetInfo beatmapSet;
+        public BeatmapSetInfo BeatmapSet
+        {
+            get { return beatmapSet; }
+            set
+            {
+                if (value == beatmapSet) return;
+                beatmapSet = value;
+
+                Picker.BeatmapSet = author.BeatmapSet = details.BeatmapSet = BeatmapSet;
+                title.Text = BeatmapSet.Metadata.Title;
+                artist.Text = BeatmapSet.Metadata.Artist;
+
+                cover?.FadeOut(400, Easing.Out);
+                coverContainer.Add(cover = new DelayedLoadWrapper(new BeatmapSetCover(BeatmapSet)
+                {
+                    Anchor = Anchor.Centre,
+                    Origin = Anchor.Centre,
+                    RelativeSizeAxes = Axes.Both,
+                    FillMode = FillMode.Fill,
+                    OnLoadComplete = d =>
+                    {
+                        d.FadeInFromZero(400, Easing.Out);
+                    },
+                })
+                {
+                    RelativeSizeAxes = Axes.Both,
+                    TimeBeforeLoad = 300
+                });
+            }
+        }
+
+        public Header()
+        {
+            RelativeSizeAxes = Axes.X;
+            Height = 400;
+            Masking = true;
+            EdgeEffect = new EdgeEffectParameters
+            {
+                Colour = Color4.Black.Opacity(0.25f),
+                Type = EdgeEffectType.Shadow,
+                Radius = 3,
+                Offset = new Vector2(0f, 1f),
+            };
+
+            Container noVideoButtons;
+            FillFlowContainer videoButtons;
+            Children = new Drawable[]
+            {
+                new Container
+                {
+                    RelativeSizeAxes = Axes.X,
+                    Height = tabs_height,
+                    Children = new[]
+                    {
+                        tabsBg = new Box
+                        {
+                            RelativeSizeAxes = Axes.Both,
+                        },
+                    },
+                },
+                new Container
+                {
+                    RelativeSizeAxes = Axes.Both,
+                    Padding = new MarginPadding { Top = tabs_height },
+                    Children = new Drawable[]
+                    {
+                        new Container
+                        {
+                            RelativeSizeAxes = Axes.Both,
+                            Children = new Drawable[]
+                            {
+                                new Box
+                                {
+                                    RelativeSizeAxes = Axes.Both,
+                                    Colour = Color4.Black,
+                                },
+                                coverContainer = new Container
+                                {
+                                    RelativeSizeAxes = Axes.Both,
+                                },
+                                new Box
+                                {
+                                    RelativeSizeAxes = Axes.Both,
+                                    Colour = ColourInfo.GradientVertical(Color4.Black.Opacity(0.3f), Color4.Black.Opacity(0.8f)),
+                                },
+                            },
+                        },
+                        new Container
+                        {
+                            RelativeSizeAxes = Axes.Both,
+                            Padding = new MarginPadding { Top = 20, Bottom = 30, Horizontal = BeatmapSetOverlay.X_PADDING },
+                            Child = new FillFlowContainer
+                            {
+                                RelativeSizeAxes = Axes.Both,
+                                Direction = FillDirection.Vertical,
+                                Children = new Drawable[]
+                                {
+                                    new Container
+                                    {
+                                        RelativeSizeAxes = Axes.X,
+                                        Height = 113,
+                                        Child = Picker = new BeatmapPicker(),
+                                    },
+                                    title = new OsuSpriteText
+                                    {
+                                        Font = @"Exo2.0-BoldItalic",
+                                        TextSize = 37,
+                                    },
+                                    artist = new OsuSpriteText
+                                    {
+                                        Font = @"Exo2.0-SemiBoldItalic",
+                                        TextSize = 25,
+                                    },
+                                    new Container
+                                    {
+                                        RelativeSizeAxes = Axes.X,
+                                        AutoSizeAxes = Axes.Y,
+                                        Margin = new MarginPadding { Top = 20 },
+                                        Child = author = new AuthorInfo(),
+                                    },
+                                    new Container
+                                    {
+                                        RelativeSizeAxes = Axes.X,
+                                        Height = buttons_height,
+                                        Margin = new MarginPadding { Top = 10 },
+                                        Children = new Drawable[]
+                                        {
+                                            new FavouriteButton(),
+                                            new Container
+                                            {
+                                                RelativeSizeAxes = Axes.Both,
+                                                Padding = new MarginPadding { Left = buttons_height + buttons_spacing },
+                                                Children = new Drawable[]
+                                                {
+                                                    noVideoButtons = new Container
+                                                    {
+                                                        RelativeSizeAxes = Axes.Both,
+                                                        Alpha = 0f,
+                                                        Child = new DownloadButton("Download", @""),
+                                                    },
+                                                    videoButtons = new FillFlowContainer
+                                                    {
+                                                        RelativeSizeAxes = Axes.Both,
+                                                        Spacing = new Vector2(buttons_spacing),
+                                                        Alpha = 0f,
+                                                        Children = new[]
+                                                        {
+                                                            new DownloadButton("Download", "with Video"),
+                                                            new DownloadButton("Download", "without Video"),
+                                                        },
+                                                    },
+                                                },
+                                            },
+                                        },
+                                    },
+                                },
+                            },
+                        },
+                        details = new Details
+                        {
+                            Anchor = Anchor.BottomRight,
+                            Origin = Anchor.BottomRight,
+                            Margin = new MarginPadding { Right = BeatmapSetOverlay.X_PADDING },
+                        },
+                    },
+                },
+            };
+
+            Picker.Beatmap.ValueChanged += b =>
+            {
+                details.Beatmap = b;
+
+                if (b.OnlineInfo.HasVideo)
+                {
+                    noVideoButtons.FadeOut(transition_duration);
+                    videoButtons.FadeIn(transition_duration);
+                }
+                else
+                {
+                    noVideoButtons.FadeIn(transition_duration);
+                    videoButtons.FadeOut(transition_duration);
+                }
+            };
+        }
+
+        [BackgroundDependencyLoader]
+        private void load(OsuColour colours)
+        {
+            tabsBg.Colour = colours.Gray3;
+        }
+    }
+}

osu.Game/Overlays/BeatmapSet/HeaderButton.cs

@@ -0,0 +1,45 @@
+// Copyright (c) 2007-2017 ppy Pty Ltd <contact@ppy.sh>.
+// Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
+
+using osu.Framework.Graphics;
+using osu.Framework.Graphics.Containers;
+using osu.Framework.Graphics.Shapes;
+using osu.Game.Graphics;
+using osu.Game.Graphics.Backgrounds;
+using osu.Game.Graphics.Containers;
+
+namespace osu.Game.Overlays.BeatmapSet
+{
+    public class HeaderButton : OsuClickableContainer
+    {
+        private readonly Container content;
+
+        protected override Container<Drawable> Content => content;
+
+        public HeaderButton()
+        {
+            CornerRadius = 3;
+            Masking = true;
+
+            InternalChildren = new Drawable[]
+            {
+                new Box
+                {
+                    RelativeSizeAxes = Axes.Both,
+                    Colour = OsuColour.FromHex(@"094c5f"),
+                },
+                new Triangles
+                {
+                    RelativeSizeAxes = Axes.Both,
+                    ColourLight = OsuColour.FromHex(@"0f7c9b"),
+                    ColourDark = OsuColour.FromHex(@"094c5f"),
+                    TriangleScale = 1.5f,
+                },
+                content = new Container
+                {
+                    RelativeSizeAxes = Axes.Both,
+                },
+            };
+        }
+    }
+}

osu.Game/Overlays/BeatmapSet/Info.cs

@@ -0,0 +1,196 @@
+// Copyright (c) 2007-2017 ppy Pty Ltd <contact@ppy.sh>.
+// Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
+
+using osu.Framework.Allocation;
+using osu.Framework.Extensions.Color4Extensions;
+using osu.Framework.Graphics;
+using osu.Framework.Graphics.Containers;
+using osu.Framework.Graphics.Shapes;
+using osu.Game.Beatmaps;
+using osu.Game.Graphics;
+using osu.Game.Graphics.Sprites;
+using OpenTK;
+using OpenTK.Graphics;
+
+namespace osu.Game.Overlays.BeatmapSet
+{
+    public class Info : Container
+    {
+        private const float transition_duration = 250;
+        private const float metadata_width = 225;
+        private const float spacing = 20;
+
+        private readonly MetadataSection description, source, tags;
+        private readonly Box successRateBackground;
+        private readonly SuccessRate successRate;
+
+        private BeatmapSetInfo beatmapSet;
+        public BeatmapSetInfo BeatmapSet
+        {
+            get { return beatmapSet; }
+            set
+            {
+                if (value == beatmapSet) return;
+                beatmapSet = value;
+
+                source.Text = BeatmapSet.Metadata.Source;
+                tags.Text = BeatmapSet.Metadata.Tags;
+            }
+        }
+
+        public BeatmapInfo Beatmap
+        {
+            get { return successRate.Beatmap; }
+            set { successRate.Beatmap = value; }
+        }
+
+        public Info()
+        {
+            RelativeSizeAxes = Axes.X;
+            Height = 220;
+            Masking = true;
+            EdgeEffect = new EdgeEffectParameters
+            {
+                Colour = Color4.Black.Opacity(0.25f),
+                Type = EdgeEffectType.Shadow,
+                Radius = 3,
+                Offset = new Vector2(0f, 1f),
+            };
+
+            Children = new Drawable[]
+            {
+                new Box
+                {
+                    RelativeSizeAxes = Axes.Both,
+                    Colour = Color4.White,
+                },
+                new Container
+                {
+                    RelativeSizeAxes = Axes.Both,
+                    Padding = new MarginPadding { Top = 15, Horizontal = BeatmapSetOverlay.X_PADDING },
+                    Children = new Drawable[]
+                    {
+                        new Container
+                        {
+                            RelativeSizeAxes = Axes.Both,
+                            Padding = new MarginPadding { Right = metadata_width + BeatmapSetOverlay.RIGHT_WIDTH + spacing * 2 },
+                            Child = new ScrollContainer
+                            {
+                                RelativeSizeAxes = Axes.Both,
+                                ScrollbarVisible = false,
+                                Child = description = new MetadataSection("Description"),
+                            },
+                        },
+                        new ScrollContainer
+                        {
+                            Anchor = Anchor.TopRight,
+                            Origin = Anchor.TopRight,
+                            RelativeSizeAxes = Axes.Y,
+                            Width = metadata_width,
+                            ScrollbarVisible = false,
+                            Padding = new MarginPadding { Horizontal = 10 },
+                            Margin = new MarginPadding { Right = BeatmapSetOverlay.RIGHT_WIDTH + spacing },
+                            Child = new FillFlowContainer
+                            {
+                                RelativeSizeAxes = Axes.X,
+                                AutoSizeAxes = Axes.Y,
+                                Direction = FillDirection.Vertical,
+                                LayoutDuration = transition_duration,
+                                Children = new[]
+                                {
+                                    source = new MetadataSection("Source"),
+                                    tags = new MetadataSection("Tags"),
+                                },
+                            },
+                        },
+                        new Container
+                        {
+                            Anchor = Anchor.TopRight,
+                            Origin = Anchor.TopRight,
+                            RelativeSizeAxes = Axes.Y,
+                            Width = BeatmapSetOverlay.RIGHT_WIDTH,
+                            Children = new Drawable[]
+                            {
+                                successRateBackground = new Box
+                                {
+                                    RelativeSizeAxes = Axes.Both,
+                                },
+                                successRate = new SuccessRate
+                                {
+                                    RelativeSizeAxes = Axes.Both,
+                                    Padding = new MarginPadding { Top = 20, Horizontal = 15 },
+                                },
+                            },
+                        },
+                    },
+                },
+            };
+        }
+
+        [BackgroundDependencyLoader]
+        private void load(OsuColour colours)
+        {
+            successRateBackground.Colour = colours.GrayE;
+            source.TextColour = description.TextColour = colours.Gray5;
+            tags.TextColour = colours.BlueDark;
+        }
+
+        private class MetadataSection : FillFlowContainer
+        {
+            private readonly OsuSpriteText header;
+            private readonly TextFlowContainer textFlow;
+
+            public string Text
+            {
+                set
+                {
+                    if (string.IsNullOrEmpty(value))
+                    {
+                        this.FadeOut(transition_duration);
+                        return;
+                    }
+
+                    this.FadeIn(transition_duration);
+                    textFlow.Clear();
+                    textFlow.AddText(value, s => s.TextSize = 14);
+                }
+            }
+
+            public Color4 TextColour
+            {
+                get { return textFlow.Colour; }
+                set { textFlow.Colour = value; }
+            }
+
+            public MetadataSection(string title)
+            {
+                RelativeSizeAxes = Axes.X;
+                AutoSizeAxes = Axes.Y;
+                Spacing = new Vector2(5f);
+
+                InternalChildren = new Drawable[]
+                {
+                    header = new OsuSpriteText
+                    {
+                        Text = title,
+                        Font = @"Exo2.0-Bold",
+                        TextSize = 14,
+                        Shadow = false,
+                        Margin = new MarginPadding { Top = 20 },
+                    },
+                    textFlow = new TextFlowContainer
+                    {
+                        RelativeSizeAxes = Axes.X,
+                        AutoSizeAxes = Axes.Y,
+                    },
+                };
+            }
+
+            [BackgroundDependencyLoader]
+            private void load(OsuColour colours)
+            {
+                header.Colour = colours.Gray5;
+            }
+        }
+    }
+}

osu.Game/Overlays/BeatmapSet/PreviewButton.cs

@@ -0,0 +1,218 @@
+// Copyright (c) 2007-2017 ppy Pty Ltd <contact@ppy.sh>.
+// Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
+
+using osu.Framework.Allocation;
+using osu.Framework.Audio;
+using osu.Framework.Audio.Track;
+using osu.Framework.Extensions.Color4Extensions;
+using osu.Framework.Graphics;
+using osu.Framework.Graphics.Containers;
+using osu.Framework.Graphics.Shapes;
+using osu.Framework.Input;
+using osu.Game.Beatmaps;
+using osu.Game.Graphics;
+using osu.Game.Graphics.Containers;
+using osu.Game.Graphics.UserInterface;
+using OpenTK;
+using OpenTK.Graphics;
+
+namespace osu.Game.Overlays.BeatmapSet
+{
+    public class PreviewButton : OsuClickableContainer
+    {
+        private const float transition_duration = 500;
+
+        private readonly Container audioWrapper;
+        private readonly Box bg, progress;
+        private readonly SpriteIcon icon;
+        private readonly LoadingAnimation loadingAnimation;
+
+        private Track preview;
+
+        private bool loading
+        {
+            set
+            {
+                if (value)
+                {
+                    loadingAnimation.Show();
+                    icon.FadeOut(transition_duration * 5, Easing.OutQuint);
+                }
+                else
+                {
+                    loadingAnimation.Hide();
+                    icon.FadeIn(transition_duration, Easing.OutQuint);
+                }
+            }
+        }
+
+        private BeatmapSetInfo beatmapSet;
+        public BeatmapSetInfo BeatmapSet
+        {
+            get { return beatmapSet; }
+            set
+            {
+                if (value == beatmapSet) return;
+                beatmapSet = value;
+
+                Playing = false;
+                preview = null;
+            }
+        }
+
+        private bool playing;
+        public bool Playing
+        {
+            get { return playing; }
+            set
+            {
+                if (value == playing) return;
+                playing = value;
+
+                if (preview == null)
+                {
+                    loading = true;
+                    audioWrapper.Child = new AsyncLoadWrapper(new AudioLoadWrapper(BeatmapSet)
+                    {
+                        OnLoadComplete = d =>
+                        {
+                            loading = false;
+
+                            preview = (d as AudioLoadWrapper)?.Preview;
+                            Playing = Playing;
+                            updatePlayingState();
+                        },
+                    });
+
+                    return;
+                }
+
+                updatePlayingState();
+            }
+        }
+
+        public PreviewButton()
+        {
+            Height = 42;
+
+            Children = new Drawable[]
+            {
+                audioWrapper = new Container(),
+                bg = new Box
+                {
+                    RelativeSizeAxes = Axes.Both,
+                    Colour = Color4.Black.Opacity(0.25f),
+                },
+                new Container
+                {
+                    Anchor = Anchor.BottomLeft,
+                    Origin = Anchor.BottomLeft,
+                    RelativeSizeAxes = Axes.X,
+                    Height = 3,
+                    Child = progress = new Box
+                    {
+                        RelativeSizeAxes = Axes.Both,
+                        Width = 0f,
+                        Alpha = 0f,
+                    },
+                },
+                icon = new SpriteIcon
+                {
+                    Anchor = Anchor.Centre,
+                    Origin = Anchor.Centre,
+                    Icon = FontAwesome.fa_play,
+                    Size = new Vector2(18),
+                    Shadow = false,
+                },
+                loadingAnimation = new LoadingAnimation
+                {
+                    Anchor = Anchor.Centre,
+                    Origin = Anchor.Centre,
+                },
+            };
+
+            Action = () => Playing = !Playing;
+        }
+
+        [BackgroundDependencyLoader]
+        private void load(OsuColour colours)
+        {
+            progress.Colour = colours.Yellow;
+        }
+
+        protected override void Update()
+        {
+            base.Update();
+
+            if (Playing && preview != null)
+            {
+                progress.Width = (float)(preview.CurrentTime / preview.Length);
+                if (preview.HasCompleted)
+                {
+                    Playing = false;
+                    preview = null;
+                }
+            }
+        }
+
+        protected override void Dispose(bool isDisposing)
+        {
+            Playing = false;
+            base.Dispose(isDisposing);
+        }
+
+        protected override bool OnHover(InputState state)
+        {
+            bg.FadeColour(Color4.Black.Opacity(0.5f), 100);
+            return base.OnHover(state);
+        }
+
+        protected override void OnHoverLost(InputState state)
+        {
+            bg.FadeColour(Color4.Black.Opacity(0.25f), 100);
+            base.OnHoverLost(state);
+        }
+
+        private void updatePlayingState()
+        {
+            if (preview == null) return;
+
+            if (Playing)
+            {
+                icon.Icon = FontAwesome.fa_stop;
+                progress.FadeIn(100);
+
+                preview.Seek(0);
+                preview.Start();
+            }
+            else
+            {
+                icon.Icon = FontAwesome.fa_play;
+                progress.FadeOut(100);
+                preview.Stop();
+            }
+        }
+
+        private class AudioLoadWrapper : Drawable
+        {
+            private readonly string preview;
+
+            public Track Preview;
+
+            public AudioLoadWrapper(BeatmapSetInfo set)
+            {
+                preview = set.OnlineInfo.Preview;
+            }
+
+            [BackgroundDependencyLoader]
+            private void load(AudioManager audio)
+            {
+                if (!string.IsNullOrEmpty(preview))
+                {
+                    Preview = audio.Track.Get(preview);
+                    Preview.Volume.Value = 0.5;
+                }
+            }
+        }
+    }
+}

osu.Game/Overlays/BeatmapSet/SuccessRate.cs

@@ -0,0 +1,113 @@
+// Copyright (c) 2007-2017 ppy Pty Ltd <contact@ppy.sh>.
+// Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
+
+using System;
+using osu.Framework.Allocation;
+using osu.Framework.Graphics;
+using osu.Framework.Graphics.Containers;
+using osu.Game.Beatmaps;
+using osu.Game.Graphics;
+using osu.Game.Graphics.Sprites;
+using osu.Game.Graphics.UserInterface;
+using osu.Game.Screens.Select.Details;
+
+namespace osu.Game.Overlays.BeatmapSet
+{
+    public class SuccessRate : Container
+    {
+        private readonly FillFlowContainer header;
+        private readonly OsuSpriteText successRateLabel, successPercent, graphLabel;
+        private readonly Bar successRate;
+        private readonly Container percentContainer;
+        private readonly FailRetryGraph graph;
+
+        private BeatmapInfo beatmap;
+        public BeatmapInfo Beatmap
+        {
+            get { return beatmap; }
+            set
+            {
+                if (value == beatmap) return;
+                beatmap = value;
+
+                var rate = (float)beatmap.OnlineInfo.PassCount / beatmap.OnlineInfo.PlayCount;
+                successPercent.Text = $"{Math.Round(rate * 100)}%";
+                successRate.Length = rate;
+                percentContainer.ResizeWidthTo(successRate.Length, 250, Easing.InOutCubic);
+
+                graph.Metrics = Beatmap.Metrics;
+            }
+        }
+
+        public SuccessRate()
+        {
+            Children = new Drawable[]
+            {
+                header = new FillFlowContainer
+                {
+                    RelativeSizeAxes = Axes.X,
+                    AutoSizeAxes = Axes.Y,
+                    Direction = FillDirection.Vertical,
+                    Children = new Drawable[]
+                    {
+                        successRateLabel = new OsuSpriteText
+                        {
+                            Anchor = Anchor.TopCentre,
+                            Origin = Anchor.TopCentre,
+                            Text = "Success Rate",
+                            TextSize = 13,
+                        },
+                        successRate = new Bar
+                        {
+                            RelativeSizeAxes = Axes.X,
+                            Height = 5,
+                            Margin = new MarginPadding { Top = 5 },
+                        },
+                        percentContainer = new Container
+                        {
+                            RelativeSizeAxes = Axes.X,
+                            AutoSizeAxes = Axes.Y,
+                            Width = 0f,
+                            Child = successPercent = new OsuSpriteText
+                            {
+                                Anchor = Anchor.TopRight,
+                                Origin = Anchor.TopCentre,
+                                Text = @"0%",
+                                TextSize = 13,
+                            },
+                        },
+                        graphLabel = new OsuSpriteText
+                        {
+                            Anchor = Anchor.TopCentre,
+                            Origin = Anchor.TopCentre,
+                            Text = "Points of Failure",
+                            TextSize = 13,
+                            Margin = new MarginPadding { Vertical = 20 },
+                        },
+                    },
+                },
+                graph = new FailRetryGraph
+                {
+                    Anchor = Anchor.BottomLeft,
+                    Origin = Anchor.BottomLeft,
+                    RelativeSizeAxes = Axes.Both,
+                },
+            };
+        }
+
+        [BackgroundDependencyLoader]
+        private void load(OsuColour colours)
+        {
+            successRateLabel.Colour = successPercent.Colour = graphLabel.Colour = colours.Gray5;
+            successRate.AccentColour = colours.Green;
+            successRate.BackgroundColour = colours.GrayD;
+        }
+
+        protected override void UpdateAfterChildren()
+        {
+            base.UpdateAfterChildren();
+
+            graph.Padding = new MarginPadding { Top = header.DrawHeight };
+        }
+    }
+}

osu.Game/Overlays/BeatmapSetOverlay.cs

@@ -0,0 +1,102 @@
+// Copyright (c) 2007-2017 ppy Pty Ltd <contact@ppy.sh>.
+// Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
+
+using OpenTK;
+using OpenTK.Graphics;
+using osu.Framework.Extensions.Color4Extensions;
+using osu.Framework.Graphics;
+using osu.Framework.Graphics.Containers;
+using osu.Framework.Graphics.Shapes;
+using osu.Framework.Input;
+using osu.Game.Beatmaps;
+using osu.Game.Graphics;
+using osu.Game.Graphics.Containers;
+using osu.Game.Overlays.BeatmapSet;
+
+namespace osu.Game.Overlays
+{
+    public class BeatmapSetOverlay : WaveOverlayContainer
+    {
+        public const float X_PADDING = 40;
+        public const float RIGHT_WIDTH = 275;
+
+        private readonly Header header;
+        private readonly Info info;
+
+        // receive input outside our bounds so we can trigger a close event on ourselves.
+        public override bool ReceiveMouseInputAt(Vector2 screenSpacePos) => true;
+
+        public BeatmapSetOverlay()
+        {
+            FirstWaveColour = OsuColour.Gray(0.4f);
+            SecondWaveColour = OsuColour.Gray(0.3f);
+            ThirdWaveColour = OsuColour.Gray(0.2f);
+            FourthWaveColour = OsuColour.Gray(0.1f);
+
+            Anchor = Anchor.TopCentre;
+            Origin = Anchor.TopCentre;
+            RelativeSizeAxes = Axes.Both;
+            Width = 0.85f;
+
+            Masking = true;
+            EdgeEffect = new EdgeEffectParameters
+            {
+                Colour = Color4.Black.Opacity(0),
+                Type = EdgeEffectType.Shadow,
+                Radius = 3,
+                Offset = new Vector2(0f, 1f),
+            };
+
+            Children = new Drawable[]
+            {
+                new Box
+                {
+                    RelativeSizeAxes = Axes.Both,
+                    Colour = OsuColour.Gray(0.2f)
+                },
+                new ScrollContainer
+                {
+                    RelativeSizeAxes = Axes.Both,
+                    ScrollbarVisible = false,
+                    Child = new ReverseChildIDFillFlowContainer<Drawable>
+                    {
+                        RelativeSizeAxes = Axes.X,
+                        AutoSizeAxes = Axes.Y,
+                        Direction = FillDirection.Vertical,
+                        Children = new Drawable[]
+                        {
+                            header = new Header(),
+                            info = new Info(),
+                        },
+                    },
+                },
+            };
+
+            header.Picker.Beatmap.ValueChanged += b => info.Beatmap = b;
+        }
+
+        protected override void PopIn()
+        {
+            base.PopIn();
+            FadeEdgeEffectTo(0.25f, APPEAR_DURATION, Easing.In);
+        }
+
+        protected override void PopOut()
+        {
+            base.PopOut();
+            FadeEdgeEffectTo(0, DISAPPEAR_DURATION, Easing.Out);
+        }
+
+        protected override bool OnClick(InputState state)
+        {
+            State = Visibility.Hidden;
+            return true;
+        }
+
+        public void ShowBeatmapSet(BeatmapSetInfo set)
+        {
+            header.BeatmapSet = info.BeatmapSet = set;
+            Show();
+        }
+    }
+}

osu.Game/Overlays/Chat/ChatLine.cs

@@ -63,6 +63,7 @@ namespace osu.Game.Overlays.Chat
 
         private const float padding = 15;
         private const float message_padding = 200;
+        private const float action_padding = 3;
         private const float text_size = 20;
 
         private Color4 customUsernameColour;
@@ -194,6 +195,8 @@ namespace osu.Game.Overlays.Chat
                     }
                 }
             };
+            if (message.IsAction && senderHasBackground)
+                contentFlow.Colour = OsuColour.FromHex(message.Sender.Colour);
 
             updateMessageContent();
             FinishTransforms(true);
@@ -206,7 +209,17 @@ namespace osu.Game.Overlays.Chat
 
             timestamp.Text = $@"{message.Timestamp.LocalDateTime:HH:mm:ss}";
             username.Text = $@"{message.Sender.Username}" + (senderHasBackground ? "" : ":");
-            contentFlow.Text = message.Content;
+
+            if (message.IsAction)
+            {
+                contentFlow.Clear();
+                contentFlow.AddText("[", sprite => sprite.Padding = new MarginPadding { Right = action_padding });
+                contentFlow.AddText(message.Content, sprite => sprite.Font = @"Exo2.0-MediumItalic");
+                contentFlow.AddText("]", sprite => sprite.Padding = new MarginPadding { Left = action_padding });
+            }
+            else
+                contentFlow.Text = message.Content;
+
         }
 
         private class MessageSender : ClickableContainer, IHasContextMenu