Update framework

Simplify some mouse/keyboard handling overrides

.vscode/launch.json

@@ -1,7 +1,7 @@
 {
     "version": "0.2.0",
     "configurations": [{
-            "name": "osu! (VisualTests)",
+            "name": "osu! VisualTests (Debug)",
             "windows": {
                 "type": "clr"
             },
@@ -18,7 +18,24 @@
             "console": "internalConsole"
         },
         {
-            "name": "osu! (debug)",
+            "name": "osu! VisualTests (Release)",
+            "windows": {
+                "type": "clr"
+            },
+            "type": "mono",
+            "request": "launch",
+            "program": "${workspaceRoot}/osu.Desktop/bin/Release/osu!.exe",
+            "args": [
+                "--tests"
+            ],
+            "cwd": "${workspaceRoot}",
+            "preLaunchTask": "Build (Release)",
+            "runtimeExecutable": null,
+            "env": {},
+            "console": "internalConsole"
+        },
+        {
+            "name": "osu! (Debug)",
             "windows": {
                 "type": "clr"
             },
@@ -32,7 +49,7 @@
             "console": "internalConsole"
         },
         {
-            "name": "osu! (release)",
+            "name": "osu! (Release)",
             "windows": {
                 "type": "clr"
             },

.vscode/tasks.json

@@ -2,62 +2,70 @@
     // See https://go.microsoft.com/fwlink/?LinkId=733558
     // for the documentation about the tasks.json format
     "version": "2.0.0",
-    "command": "msbuild",
-    "type": "shell",
-    "suppressTaskName": true,
-    "args": [
-        "/property:GenerateFullPaths=true",
-        "/property:DebugType=portable",
-        "/verbosity:minimal",
-        "/m" //parallel compiling support.
-    ],
     "tasks": [{
-            "taskName": "Build (Debug)",
+            "label": "Build (Debug)",
+            "type": "shell",
+            "command": "msbuild",
+            "args": [
+                "/p:GenerateFullPaths=true",
+                "/p:DebugType=portable",
+                "/m",
+                "/v:m"
+            ],
             "group": {
                 "kind": "build",
                 "isDefault": true
             },
-            "problemMatcher": [
-                "$msCompile"
-            ]
+            "problemMatcher": "$msCompile"
         },
         {
-            "taskName": "Build (Release)",
+            "label": "Build (Release)",
+            "type": "shell",
+            "command": "msbuild",
             "args": [
-                "/property:Configuration=Release"
+                "/p:Configuration=Release",
+                "/p:DebugType=portable",
+                "/p:GenerateFullPaths=true",
+                "/m",
+                "/v:m"
             ],
-            "problemMatcher": [
-                "$msCompile"
-            ]
+            "group": "build",
+            "problemMatcher": "$msCompile"
         },
         {
-            "taskName": "Clean (Debug)",
+            "label": "Clean (Debug)",
+            "type": "shell",
+            "command": "msbuild",
             "args": [
-                "/target:Clean"
+                "/p:DebugType=portable",
+                "/p:GenerateFullPaths=true",
+                "/m",
+                "/t:Clean",
+                "/v:m"
             ],
-            "problemMatcher": [
-                "$msCompile"
-            ]
+            "problemMatcher": "$msCompile"
         },
         {
-            "taskName": "Clean (Release)",
+            "label": "Clean (Release)",
+            "type": "shell",
+            "command": "msbuild",
             "args": [
-                "/target:Clean",
-                "/property:Configuration=Release"
+                "/p:Configuration=Release",
+                "/p:GenerateFullPaths=true",
+                "/p:DebugType=portable",
+                "/m",
+                "/t:Clean",
+                "/v:m"
             ],
-            "problemMatcher": [
-                "$msCompile"
-            ]
+            "problemMatcher": "$msCompile"
         },
         {
-            "taskName": "Clean All",
+            "label": "Clean All",
             "dependsOn": [
                 "Clean (Debug)",
                 "Clean (Release)"
             ],
-            "problemMatcher": [
-                "$msCompile"
-            ]
+            "problemMatcher": "$msCompile"
         }
     ]
 }

COMPILING.md

@@ -0,0 +1,36 @@
+# Linux
+### 1. Requirements:
+Mono >= 5.4.0 (>= 5.8.0 recommended)
+Please check [here](http://www.mono-project.com/download/) for stable or [here](http://www.mono-project.com/download/alpha/) for an alpha release.  
+NuGet >= 4.4.0  
+msbuild  
+git
+
+### 2. Cloning project
+Clone the entire repository with submodules using
+```
+git clone https://github.com/ppy/osu --recursive
+```
+Then restore NuGet packages from the repository
+```
+nuget restore
+```
+### 3. Compiling
+Simply run `msbuild` where `osu.sln` is located, this will create all binaries in `osu/osu.Desktop/bin/Debug`.
+### 4. Optimizing
+If you want additional performance you can change build type to Release with
+```
+msbuild -p:Configuration=Release
+```
+Additionally, mono provides an AOT utility which attempts to precompile binaries. You can utilize that by running
+```
+mono --aot ./osu\!.exe
+```
+### 5. Troubleshooting
+You may run into trouble with NuGet versioning, as the one in packaging system is almost always out of date. Simply run 
+```
+nuget
+sudo nuget update -self
+```
+**Warning** NuGet creates few config files when it's run for the first time.
+Do not run NuGet as root on the first run or you might run into very peculiar issues.

README.md

@@ -8,14 +8,19 @@ This is still heavily under development and is not intended for end-user use. Th
 
 # Requirements
 
-- A desktop platform which can compile .NET 4.5 (tested on macOS, linux and windows). We recommend using [Visual Studio Code](https://code.visualstudio.com/) (all platforms) or [Visual Studio Community Edition](https://www.visualstudio.com/) (windows only), both of which are free.
-- Make sure you initialise and keep submodules up-to-date.
+- A desktop platform that can compile .NET 4.6.1. We recommend using [Visual Studio Community Edition](https://www.visualstudio.com/) (Windows), [Visual Studio for Mac](https://www.visualstudio.com/vs/visual-studio-mac/) (macOS) or [MonoDevelop](http://www.monodevelop.com/download/) (Linux), all of which are free. [Visual Studio Code](https://code.visualstudio.com/) may also be used but requires further setup steps which are not covered here.
+
+# Getting Started
+- Clone the repository including submodules (`git clone --recurse-submodules https://github.com/ppy/osu`)
+- Build in your IDE of choice (recommended IDEs automatically restore nuget packages; if you are using an alternative make sure to `nuget restore`)
 
 # Contributing
 
 We welcome all contributions, but keep in mind that we already have a lot of the UI designed. If you wish to work on something with the intention on having it included in the official distribution, please open an issue for discussion and we will give you what you need from a design perspective to proceed. If you want to make *changes* to the design, we recommend you open an issue with your intentions before spending too much time, to ensure no effort is wasted.
 
-Contributions can be made via pull requests to this repository. We hope to credit and reward larger contributions via a [bounty system](https://www.bountysource.com/teams/ppy). If you're unsure of what you can help with, check out the [list of open issues](https://github.com/ppy/osu-framework/issues).
+Please make sure you are familiar with the [development and testing](https://github.com/ppy/osu-framework/wiki/Development-and-Testing) procedure we have set up. New component development, and where possible, bug fixing and debugging existing components **should always be done under VisualTests**.
+
+Contributions can be made via pull requests to this repository. We hope to credit and reward larger contributions via a [bounty system](https://www.bountysource.com/teams/ppy). If you're unsure of what you can help with, check out the [list of open issues](https://github.com/ppy/osu/issues).
 
 Note that while we already have certain standards in place, nothing is set in stone. If you have an issue with the way code is structured; with any libraries we are using; with any processes involved with contributing, *please* bring it up. I welcome all feedback so we can make contributing to this project as pain-free as possible.
 

appveyor.yml

@@ -1,5 +1,7 @@
+# 2017-09-14
 clone_depth: 1
 version: '{branch}-{build}'
+image: Visual Studio 2017
 configuration: Debug
 cache:
   - C:\ProgramData\chocolatey\bin -> appveyor.yml
@@ -7,17 +9,17 @@ cache:
   - inspectcode -> appveyor.yml
   - packages -> **\packages.config
 install:
-  - cmd: git submodule update --init --recursive
+  - cmd: git submodule update --init --recursive --depth=5
   - cmd: choco install resharper-clt -y
   - cmd: choco install nvika -y
-  - cmd: appveyor DownloadFile https://github.com/peppy/CodeFileSanity/releases/download/v0.2.2/CodeFileSanity.exe
+  - cmd: appveyor DownloadFile https://github.com/peppy/CodeFileSanity/releases/download/v0.2.3/CodeFileSanity.exe
 before_build:
   - cmd: CodeFileSanity.exe
-  - cmd: nuget restore
+  - cmd: nuget restore -verbosity quiet
 build:
   project: osu.sln
   parallel: true
   verbosity: minimal
 after_build:
-  - cmd: inspectcode /o="inspectcodereport.xml" /caches-home="inspectcode" osu.sln
+  - cmd: inspectcode --o="inspectcodereport.xml" --projects:osu.Game* --caches-home="inspectcode" osu.sln > NUL
   - cmd: NVika parsereport "inspectcodereport.xml" --treatwarningsaserrors

osu.Desktop.Deploy/App.config

@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <!--
-Copyright (c) 2007-2017 ppy Pty Ltd <contact@ppy.sh>.
+Copyright (c) 2007-2018 ppy Pty Ltd <contact@ppy.sh>.
 Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
 -->
 <configuration>
@@ -13,7 +13,7 @@ Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/maste
     <add key="ProjectName" value="osu.Desktop" />
     <add key="NuSpecName" value="osu.Desktop\osu.nuspec" />
     <add key="SolutionName" value="osu" />
-    <add key="TargetName" value="Client\osu.Desktop" />
+    <add key="TargetName" value="osu.Desktop" />
     <add key="PackageName" value="osulazer" />
     <add key="IconName" value="lazer.ico" />
     <add key="CodeSigningCertificate" value="" />
@@ -33,7 +33,7 @@ Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/maste
       </dependentAssembly>
       <dependentAssembly>
         <assemblyIdentity name="SharpCompress" publicKeyToken="afb0a02973931d96" culture="neutral" />
-        <bindingRedirect oldVersion="0.0.0.0-0.17.1.0" newVersion="0.17.1.0" />
+        <bindingRedirect oldVersion="0.0.0.0-0.18.1.0" newVersion="0.18.1.0" />
       </dependentAssembly>
     </assemblyBinding>
   </runtime>

osu.Desktop.Deploy/GitHubObject.cs

@@ -1,4 +1,4 @@
-// Copyright (c) 2007-2017 ppy Pty Ltd <contact@ppy.sh>.
+// Copyright (c) 2007-2018 ppy Pty Ltd <contact@ppy.sh>.
 // Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
 
 using Newtonsoft.Json;
@@ -13,4 +13,4 @@ namespace osu.Desktop.Deploy
         [JsonProperty(@"name")]
         public string Name;
     }
-}
+}

osu.Desktop.Deploy/GitHubRelease.cs

@@ -1,4 +1,4 @@
-// Copyright (c) 2007-2017 ppy Pty Ltd <contact@ppy.sh>.
+// Copyright (c) 2007-2018 ppy Pty Ltd <contact@ppy.sh>.
 // Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
 
 using Newtonsoft.Json;
@@ -25,4 +25,4 @@ namespace osu.Desktop.Deploy
         [JsonProperty(@"upload_url")]
         public string UploadUrl;
     }
-}
+}

osu.Desktop.Deploy/Program.cs

@@ -1,4 +1,4 @@
-// Copyright (c) 2007-2017 ppy Pty Ltd <contact@ppy.sh>.
+// Copyright (c) 2007-2018 ppy Pty Ltd <contact@ppy.sh>.
 // Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
 
 using System;
@@ -7,7 +7,6 @@ using System.Configuration;
 using System.Diagnostics;
 using System.IO;
 using System.Linq;
-using System.Net;
 using Newtonsoft.Json;
 using osu.Framework.IO.Network;
 using FileWebRequest = osu.Framework.IO.Network.FileWebRequest;
@@ -17,9 +16,9 @@ namespace osu.Desktop.Deploy
 {
     internal static class Program
     {
-        private const string nuget_path = @"packages\NuGet.CommandLine.4.1.0\tools\NuGet.exe";
-        private const string squirrel_path = @"packages\squirrel.windows.1.7.5\tools\Squirrel.exe";
-        private const string msbuild_path = @"C:\Program Files (x86)\MSBuild\14.0\Bin\MSBuild.exe";
+        private const string nuget_path = @"packages\NuGet.CommandLine.4.3.0\tools\NuGet.exe";
+        private const string squirrel_path = @"packages\squirrel.windows.1.7.8\tools\Squirrel.exe";
+        private const string msbuild_path = @"C:\Program Files (x86)\Microsoft Visual Studio\2017\Community\MSBuild\15.0\Bin\MSBuild.exe";
 
         public static string StagingFolder = ConfigurationManager.AppSettings["StagingFolder"];
         public static string ReleasesFolder = ConfigurationManager.AppSettings["ReleasesFolder"];
@@ -29,7 +28,7 @@ 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 +99,8 @@ 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}");
@@ -145,6 +145,8 @@ namespace osu.Desktop.Deploy
         /// </summary>
         private static void checkReleaseFiles()
         {
+            if (!canGitHub) return;
+
             var releaseLines = getReleaseLines();
 
             //ensure we have all files necessary
@@ -157,6 +159,8 @@ namespace osu.Desktop.Deploy
 
         private static void pruneReleases()
         {
+            if (!canGitHub) return;
+
             write("Pruning RELEASES...");
 
             var releaseLines = getReleaseLines().ToList();
@@ -190,7 +194,7 @@ namespace osu.Desktop.Deploy
 
         private static void uploadBuild(string version)
         {
-            if (string.IsNullOrEmpty(GitHubAccessToken) || string.IsNullOrEmpty(codeSigningCertPath))
+            if (!canGitHub || string.IsNullOrEmpty(CodeSigningCertificate))
                 return;
 
             write("Publishing to GitHub...");
@@ -228,8 +232,12 @@ namespace osu.Desktop.Deploy
 
         private static void openGitHubReleasePage() => Process.Start(GitHubReleasePage);
 
+        private static bool canGitHub => !string.IsNullOrEmpty(GitHubAccessToken);
+
         private static void checkGitHubReleases()
         {
+            if (!canGitHub) return;
+
             write("Checking GitHub releases...");
             var req = new JsonWebRequest<List<GitHubRelease>>($"{GitHubApiEndpoint}");
             req.AuthenticatedBlockingPerform();
@@ -391,7 +399,7 @@ namespace osu.Desktop.Deploy
         public static void AuthenticatedBlockingPerform(this WebRequest r)
         {
             r.AddHeader("Authorization", $"token {GitHubAccessToken}");
-            r.BlockingPerform();
+            r.Perform();
         }
     }
 
@@ -401,12 +409,7 @@ namespace osu.Desktop.Deploy
         {
         }
 
-        protected override HttpWebRequest CreateWebRequest(string requestString = null)
-        {
-            var req = base.CreateWebRequest(requestString);
-            req.Accept = "application/octet-stream";
-            return req;
-        }
+        protected override string Accept => "application/octet-stream";
     }
 
     internal class ReleaseLine

osu.Desktop.Deploy/Properties/AssemblyInfo.cs

@@ -1,4 +1,4 @@
-// Copyright (c) 2007-2017 ppy Pty Ltd <contact@ppy.sh>.
+// Copyright (c) 2007-2018 ppy Pty Ltd <contact@ppy.sh>.
 // Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
 
 using System.Reflection;

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

@@ -1,6 +1,6 @@
 <?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')" />
+  <Import Project="..\osu.Game.props" />
   <PropertyGroup>
     <Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
     <Platform Condition=" '$(Platform)' == '' ">AnyCPU</Platform>
@@ -9,7 +9,7 @@
     <AppDesignerFolder>Properties</AppDesignerFolder>
     <RootNamespace>osu.Desktop.Deploy</RootNamespace>
     <AssemblyName>osu.Desktop.Deploy</AssemblyName>
-    <TargetFrameworkVersion>v4.5.2</TargetFrameworkVersion>
+    <TargetFrameworkVersion>v4.6.1</TargetFrameworkVersion>
     <FileAlignment>512</FileAlignment>
     <AutoGenerateBindingRedirects>true</AutoGenerateBindingRedirects>
   </PropertyGroup>
@@ -22,7 +22,6 @@
     <DefineConstants>DEBUG;TRACE</DefineConstants>
     <ErrorReport>prompt</ErrorReport>
     <WarningLevel>4</WarningLevel>
-    <LangVersion>6</LangVersion>
   </PropertyGroup>
   <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' ">
     <PlatformTarget>AnyCPU</PlatformTarget>
@@ -66,22 +65,23 @@
       <Private>True</Private>
     </Reference>
     <Reference Include="Newtonsoft.Json, Version=10.0.0.0, Culture=neutral, PublicKeyToken=30ad4fe6b2a6aeed, processorArchitecture=MSIL">
-      <HintPath>$(SolutionDir)\packages\Newtonsoft.Json.10.0.2\lib\net45\Newtonsoft.Json.dll</HintPath>
-    </Reference>
-    <Reference Include="NuGet.Squirrel, Version=3.0.0.0, Culture=neutral, processorArchitecture=MSIL">
-      <HintPath>$(SolutionDir)\packages\squirrel.windows.1.7.5\lib\Net45\NuGet.Squirrel.dll</HintPath>
+      <HintPath>$(SolutionDir)\packages\Newtonsoft.Json.10.0.3\lib\net45\Newtonsoft.Json.dll</HintPath>
       <Private>True</Private>
     </Reference>
-    <Reference Include="SharpCompress, Version=0.17.1.0, Culture=neutral, PublicKeyToken=afb0a02973931d96, processorArchitecture=MSIL">
-      <HintPath>$(SolutionDir)\packages\SharpCompress.0.17.1\lib\net45\SharpCompress.dll</HintPath>
+    <Reference Include="NuGet.Squirrel, Version=3.0.0.0, Culture=neutral, processorArchitecture=MSIL">
+      <HintPath>$(SolutionDir)\packages\squirrel.windows.1.7.8\lib\Net45\NuGet.Squirrel.dll</HintPath>
+      <Private>True</Private>
+    </Reference>
+    <Reference Include="SharpCompress, Version=0.18.1.0, Culture=neutral, PublicKeyToken=afb0a02973931d96, processorArchitecture=MSIL">
+      <HintPath>$(SolutionDir)\packages\SharpCompress.0.18.1\lib\net45\SharpCompress.dll</HintPath>
       <Private>True</Private>
     </Reference>
     <Reference Include="Splat, Version=2.0.0.0, Culture=neutral, processorArchitecture=MSIL">
       <HintPath>$(SolutionDir)\packages\Splat.2.0.0\lib\Net45\Splat.dll</HintPath>
       <Private>True</Private>
     </Reference>
-    <Reference Include="Squirrel, Version=1.7.5.0, Culture=neutral, processorArchitecture=MSIL">
-      <HintPath>$(SolutionDir)\packages\squirrel.windows.1.7.5\lib\Net45\Squirrel.dll</HintPath>
+    <Reference Include="Squirrel, Version=1.7.8.0, Culture=neutral, processorArchitecture=MSIL">
+      <HintPath>$(SolutionDir)\packages\squirrel.windows.1.7.8\lib\Net45\Squirrel.dll</HintPath>
       <Private>True</Private>
     </Reference>
     <Reference Include="System" />
@@ -101,19 +101,12 @@
     <Compile Include="Properties\AssemblyInfo.cs" />
   </ItemGroup>
   <ItemGroup>
-    <None Include="..\osu.licenseheader">
-      <Link>osu.licenseheader</Link>
-    </None>
     <None Include="App.config">
       <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
     </None>
     <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.Deploy/packages.config

@@ -1,14 +1,14 @@
 <?xml version="1.0" encoding="utf-8"?>
 <!--
-Copyright (c) 2007-2017 ppy Pty Ltd <contact@ppy.sh>.
+Copyright (c) 2007-2018 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="net452" />
   <package id="Mono.Cecil" version="0.9.6.4" targetFramework="net452" />
-  <package id="Newtonsoft.Json" version="10.0.2" targetFramework="net452" />
-  <package id="NuGet.CommandLine" version="4.1.0" targetFramework="net452" developmentDependency="true" />
-  <package id="SharpCompress" version="0.17.1" targetFramework="net452" />
+  <package id="Newtonsoft.Json" version="10.0.3" targetFramework="net461" />
+  <package id="NuGet.CommandLine" version="4.3.0" targetFramework="net461" developmentDependency="true" />
+  <package id="SharpCompress" version="0.18.1" targetFramework="net461" />
   <package id="Splat" version="2.0.0" targetFramework="net452" />
-  <package id="squirrel.windows" version="1.7.5" targetFramework="net452" />
+  <package id="squirrel.windows" version="1.7.8" targetFramework="net461" />
 </packages>

osu.Desktop.Tests/Platform/TestStorage.cs

@@ -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
-
-using osu.Framework;
-using osu.Framework.Desktop.Platform;
-using SQLite.Net;
-using SQLite.Net.Interop;
-using SQLite.Net.Platform.Generic;
-using SQLite.Net.Platform.Win32;
-
-namespace osu.Desktop.Tests.Platform
-{
-    public class TestStorage : DesktopStorage
-    {
-        public TestStorage(string baseName) : base(baseName)
-        {
-        }
-
-        public override SQLiteConnection GetDatabase(string name)
-        {
-            ISQLitePlatform platform;
-            if (RuntimeInfo.IsWindows)
-                platform = new SQLitePlatformWin32();
-            else
-                platform = new SQLitePlatformGeneric();
-            return new SQLiteConnection(platform, @":memory:");
-        }
-    }
-}

osu.Desktop.Tests/Visual/TestCaseBeatmapDetails.cs

@@ -1,61 +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.Linq;
-using osu.Framework.Graphics;
-using osu.Game.Beatmaps;
-using osu.Game.Screens.Select;
-
-namespace osu.Desktop.Tests.Visual
-{
-    internal class TestCaseBeatmapDetails : OsuTestCase
-    {
-        public override string Description => "BeatmapDetails tab of BeatmapDetailArea";
-
-        private readonly BeatmapDetails details;
-
-        public TestCaseBeatmapDetails()
-        {
-            Add(details = new BeatmapDetails
-            {
-                RelativeSizeAxes = Axes.Both,
-                Padding = new MarginPadding(150),
-                Beatmap = new BeatmapInfo
-                {
-                    Version = "VisualTest",
-                    Metadata = new BeatmapMetadata
-                    {
-                        Source = "Some guy",
-                        Tags = "beatmap metadata example with a very very long list of tags and not much creativity",
-                    },
-                    Difficulty = new BeatmapDifficulty
-                    {
-                        CircleSize = 7,
-                        ApproachRate = 3.5f,
-                        OverallDifficulty = 5.7f,
-                        DrainRate = 1,
-                    },
-                    StarDifficulty = 5.3f,
-                    Metrics = new BeatmapMetrics
-                    {
-                        Ratings = Enumerable.Range(0, 10),
-                        Fails = Enumerable.Range(lastRange, 100).Select(i => i % 12 - 6),
-                        Retries = Enumerable.Range(lastRange - 3, 100).Select(i => i % 12 - 6),
-                    },
-                },
-            });
-
-            AddRepeatStep("fail values", newRetryAndFailValues, 10);
-        }
-
-        private int lastRange = 1;
-
-        private void newRetryAndFailValues()
-        {
-            details.Beatmap.Metrics.Fails = Enumerable.Range(lastRange, 100).Select(i => i % 12 - 6);
-            details.Beatmap.Metrics.Retries = Enumerable.Range(lastRange - 3, 100).Select(i => i % 12 - 6);
-            details.Beatmap = details.Beatmap;
-            lastRange += 100;
-        }
-    }
-}

osu.Desktop.Tests/Visual/TestCaseCatcher.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.Allocation;
-using osu.Framework.Graphics;
-using osu.Game.Rulesets;
-using osu.Game.Rulesets.Catch;
-using osu.Game.Rulesets.Catch.UI;
-using OpenTK;
-
-namespace osu.Desktop.Tests.Visual
-{
-    internal class TestCaseCatcher : OsuTestCase
-    {
-        [BackgroundDependencyLoader]
-        private void load(RulesetStore rulesets)
-        {
-            Children = new Drawable[]
-            {
-                new CatchInputManager(rulesets.GetRuleset(2))
-                {
-                    RelativeSizeAxes = Axes.Both,
-                    Child = new CatcherArea
-                    {
-                        RelativePositionAxes = Axes.Both,
-                        RelativeSizeAxes = Axes.Both,
-                        Anchor = Anchor.BottomLeft,
-                        Origin = Anchor.BottomLeft,
-                        Size = new Vector2(1, 0.2f),
-                    }
-                },
-            };
-        }
-    }
-}

osu.Desktop.Tests/Visual/TestCaseContextMenu.cs

@@ -1,97 +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.Graphics;
-using osu.Framework.Graphics.Containers;
-using osu.Framework.Graphics.Cursor;
-using osu.Framework.Graphics.Shapes;
-using osu.Framework.Graphics.UserInterface;
-using osu.Game.Graphics.UserInterface;
-using OpenTK;
-using OpenTK.Graphics;
-
-namespace osu.Desktop.Tests.Visual
-{
-    internal class TestCaseContextMenu : OsuTestCase
-    {
-        public override string Description => @"Menu visible on right click";
-
-        private const int start_time = 0;
-        private const int duration = 1000;
-
-        private readonly Container container;
-
-        public TestCaseContextMenu()
-        {
-            Add(container = new MyContextMenuContainer
-            {
-                Size = new Vector2(200),
-                Anchor = Anchor.Centre,
-                Origin = Anchor.Centre,
-                Children = new Drawable[]
-                {
-                    new Box
-                    {
-                        RelativeSizeAxes = Axes.Both,
-                        Colour = Color4.Green,
-                    }
-                }
-            });
-
-            Add(new AnotherContextMenuContainer
-            {
-                Size = new Vector2(200),
-                Anchor = Anchor.CentreLeft,
-                Origin = Anchor.CentreLeft,
-                Children = new Drawable[]
-                {
-                    new Box
-                    {
-                        RelativeSizeAxes = Axes.Both,
-                        Colour = Color4.Red,
-                    }
-                }
-            });
-        }
-
-        protected override void LoadComplete()
-        {
-            base.LoadComplete();
-
-            // Move box along a square trajectory
-            container.Loop(c => c
-                .MoveTo(new Vector2(0, 100), duration).Then()
-                .MoveTo(new Vector2(100, 100), duration).Then()
-                .MoveTo(new Vector2(100, 0), duration).Then()
-                .MoveTo(Vector2.Zero, duration)
-            );
-        }
-
-        private class MyContextMenuContainer : Container, IHasContextMenu
-        {
-            public ContextMenuItem[] ContextMenuItems => new ContextMenuItem[]
-            {
-                new OsuContextMenuItem(@"Some option"),
-                new OsuContextMenuItem(@"Highlighted option", MenuItemType.Highlighted),
-                new OsuContextMenuItem(@"Another option"),
-                new OsuContextMenuItem(@"Choose me please"),
-                new OsuContextMenuItem(@"And me too"),
-                new OsuContextMenuItem(@"Trying to fill"),
-                new OsuContextMenuItem(@"Destructive option", MenuItemType.Destructive),
-            };
-        }
-
-        private class AnotherContextMenuContainer : Container, IHasContextMenu
-        {
-            public ContextMenuItem[] ContextMenuItems => new ContextMenuItem[]
-            {
-                new OsuContextMenuItem(@"Simple option"),
-                new OsuContextMenuItem(@"Simple very very long option"),
-                new OsuContextMenuItem(@"Change width", MenuItemType.Highlighted) { Action = () => this.ResizeWidthTo(Width * 2, 100, Easing.OutQuint) },
-                new OsuContextMenuItem(@"Change height", MenuItemType.Highlighted) { Action = () => this.ResizeHeightTo(Height * 2, 100, Easing.OutQuint) },
-                new OsuContextMenuItem(@"Change width back", MenuItemType.Destructive) { Action = () => this.ResizeWidthTo(Width / 2, 100, Easing.OutQuint) },
-                new OsuContextMenuItem(@"Change height back", MenuItemType.Destructive) { Action = () => this.ResizeHeightTo(Height / 2, 100, Easing.OutQuint) },
-            };
-        }
-    }
-}

osu.Desktop.Tests/Visual/TestCaseHitObjects.cs

@@ -1,131 +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.Collections.Generic;
-using osu.Framework.Graphics;
-using osu.Framework.Graphics.Containers;
-using osu.Framework.Timing;
-using osu.Game.Rulesets.Objects.Drawables;
-using osu.Game.Rulesets.Osu.Judgements;
-using osu.Game.Rulesets.Osu.Objects;
-using osu.Game.Rulesets.Osu.Objects.Drawables;
-using OpenTK;
-using osu.Game.Rulesets.Osu;
-using osu.Framework.Allocation;
-using osu.Game.Rulesets;
-
-namespace osu.Desktop.Tests.Visual
-{
-    internal class TestCaseHitObjects : OsuTestCase
-    {
-        private FramedClock framedClock;
-
-        private bool auto;
-
-        [BackgroundDependencyLoader]
-        private void load(RulesetStore rulesets)
-        {
-            var rateAdjustClock = new StopwatchClock(true);
-            framedClock = new FramedClock(rateAdjustClock);
-
-            AddStep(@"circles", () => loadHitobjects(HitObjectType.Circle));
-            AddStep(@"slider", () => loadHitobjects(HitObjectType.Slider));
-            AddStep(@"spinner", () => loadHitobjects(HitObjectType.Spinner));
-
-            AddToggleStep("Auto", state => { auto = state; loadHitobjects(mode); });
-            AddSliderStep("Playback speed", 0.0, 2.0, 0.5, v => rateAdjustClock.Rate = v);
-
-            framedClock.ProcessFrame();
-
-            var clockAdjustContainer = new Container
-            {
-                RelativeSizeAxes = Axes.Both,
-                Clock = framedClock,
-                Children = new[]
-                {
-                    playfieldContainer = new OsuInputManager(rulesets.GetRuleset(0)) { RelativeSizeAxes = Axes.Both },
-                    approachContainer = new Container { RelativeSizeAxes = Axes.Both }
-                }
-            };
-
-            Add(clockAdjustContainer);
-        }
-
-        private HitObjectType mode = HitObjectType.Slider;
-
-        private Container playfieldContainer;
-        private Container approachContainer;
-
-        private void loadHitobjects(HitObjectType mode)
-        {
-            this.mode = mode;
-
-            switch (mode)
-            {
-                case HitObjectType.Circle:
-                    const int count = 10;
-
-                    for (int i = 0; i < count; i++)
-                    {
-                        var h = new HitCircle
-                        {
-                            StartTime = framedClock.CurrentTime + 600 + i * 80,
-                            Position = new Vector2((i - count / 2) * 14),
-                        };
-
-                        add(new DrawableHitCircle(h));
-                    }
-                    break;
-                case HitObjectType.Slider:
-                    add(new DrawableSlider(new Slider
-                    {
-                        StartTime = framedClock.CurrentTime + 600,
-                        ControlPoints = new List<Vector2>
-                        {
-                            new Vector2(-200, 0),
-                            new Vector2(400, 0),
-                        },
-                        Distance = 400,
-                        Position = new Vector2(-200, 0),
-                        Velocity = 1,
-                        TickDistance = 100,
-                    }));
-                    break;
-                case HitObjectType.Spinner:
-                    add(new DrawableSpinner(new Spinner
-                    {
-                        StartTime = framedClock.CurrentTime + 600,
-                        EndTime = framedClock.CurrentTime + 1600,
-                        Position = new Vector2(0, 0),
-                    }));
-                    break;
-            }
-        }
-
-        private int depth;
-
-        private void add(DrawableOsuHitObject h)
-        {
-            h.Anchor = Anchor.Centre;
-            h.Depth = depth++;
-
-            if (auto)
-            {
-                h.State = ArmedState.Hit;
-                h.Judgement = new OsuJudgement { Result = HitResult.Hit };
-            }
-
-            playfieldContainer.Add(h);
-            var proxyable = h as IDrawableHitObjectWithProxiedApproach;
-            if (proxyable != null)
-                approachContainer.Add(proxyable.ProxiedLayer.CreateProxy());
-        }
-
-        private enum HitObjectType
-        {
-            Circle,
-            Slider,
-            Spinner
-        }
-    }
-}

osu.Desktop.Tests/Visual/TestCaseMenuButtonSystem.cs

@@ -1,25 +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.Graphics.Colour;
-using osu.Framework.Graphics.Shapes;
-using osu.Game.Screens.Menu;
-using OpenTK.Graphics;
-
-namespace osu.Desktop.Tests.Visual
-{
-    internal class TestCaseMenuButtonSystem : OsuTestCase
-    {
-        public override string Description => @"Main menu button system";
-
-        public TestCaseMenuButtonSystem()
-        {
-            Add(new Box
-            {
-                Colour = ColourInfo.GradientVertical(Color4.Gray, Color4.WhiteSmoke),
-                RelativeSizeAxes = Framework.Graphics.Axes.Both,
-            });
-            Add(new ButtonSystem());
-        }
-    }
-}

osu.Desktop.Tests/Visual/TestCaseMenuOverlays.cs

@@ -1,57 +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.Graphics.Containers;
-using osu.Framework.Logging;
-using osu.Game.Screens.Play;
-
-namespace osu.Desktop.Tests.Visual
-{
-    internal class TestCaseMenuOverlays : OsuTestCase
-    {
-        public override string Description => @"Tests pause and fail overlays";
-
-        public TestCaseMenuOverlays()
-        {
-            FailOverlay failOverlay;
-            PauseContainer.PauseOverlay pauseOverlay;
-
-            var retryCount = 0;
-
-            Add(pauseOverlay = new PauseContainer.PauseOverlay
-            {
-                OnResume = () => Logger.Log(@"Resume"),
-                OnRetry = () => Logger.Log(@"Retry"),
-                OnQuit = () => Logger.Log(@"Quit"),
-            });
-            Add(failOverlay = new FailOverlay
-            {
-                OnRetry = () => Logger.Log(@"Retry"),
-                OnQuit = () => Logger.Log(@"Quit"),
-            });
-
-            AddStep(@"Pause", delegate
-            {
-                if (failOverlay.State == Visibility.Visible)
-                {
-                    failOverlay.Hide();
-                }
-                pauseOverlay.Show();
-            });
-            AddStep("Fail", delegate
-            {
-                if (pauseOverlay.State == Visibility.Visible)
-                {
-                    pauseOverlay.Hide();
-                }
-                failOverlay.Show();
-            });
-            AddStep("Add Retry", delegate
-            {
-                retryCount++;
-                pauseOverlay.Retries = retryCount;
-                failOverlay.Retries = retryCount;
-            });
-        }
-    }
-}

osu.Desktop.Tests/Visual/TestCaseMods.cs

@@ -1,56 +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.Allocation;
-using osu.Framework.Graphics;
-using osu.Game.Overlays.Mods;
-using osu.Game.Rulesets;
-using osu.Game.Screens.Play.HUD;
-using OpenTK;
-
-namespace osu.Desktop.Tests.Visual
-{
-    internal class TestCaseMods : OsuTestCase
-    {
-        public override string Description => @"Mod select overlay and in-game display";
-
-        private ModSelectOverlay modSelect;
-        private ModDisplay modDisplay;
-
-        private RulesetStore rulesets;
-
-
-        [BackgroundDependencyLoader]
-        private void load(RulesetStore rulesets)
-        {
-            this.rulesets = rulesets;
-        }
-
-        protected override void LoadComplete()
-        {
-            base.LoadComplete();
-
-            Add(modSelect = new ModSelectOverlay
-            {
-                RelativeSizeAxes = Axes.X,
-                Origin = Anchor.BottomCentre,
-                Anchor = Anchor.BottomCentre,
-            });
-
-            Add(modDisplay = new ModDisplay
-            {
-                Anchor = Anchor.TopRight,
-                Origin = Anchor.TopRight,
-                AutoSizeAxes = Axes.Both,
-                Position = new Vector2(0, 25),
-            });
-
-            modDisplay.Current.BindTo(modSelect.SelectedMods);
-
-            AddStep("Toggle", modSelect.ToggleVisibility);
-
-            foreach (var ruleset in rulesets.AllRulesets)
-                AddStep(ruleset.CreateInstance().Description, () => modSelect.Ruleset.Value = ruleset);
-        }
-    }
-}

osu.Desktop.Tests/Visual/TestCaseNotificationOverlay.cs

@@ -1,113 +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.Collections.Generic;
-using System.Linq;
-using NUnit.Framework;
-using osu.Framework.Graphics;
-using osu.Framework.Graphics.Containers;
-using osu.Framework.MathUtils;
-using osu.Game.Overlays;
-using osu.Game.Overlays.Notifications;
-
-namespace osu.Desktop.Tests.Visual
-{
-    [TestFixture]
-    internal class TestCaseNotificationOverlay : OsuTestCase
-    {
-        public override string Description => @"I handle notifications";
-
-        private readonly NotificationOverlay manager;
-
-        public TestCaseNotificationOverlay()
-        {
-            progressingNotifications.Clear();
-
-            Content.Add(manager = new NotificationOverlay
-            {
-                Anchor = Anchor.TopRight,
-                Origin = Anchor.TopRight,
-            });
-
-            AddToggleStep(@"show", state => manager.State = state ? Visibility.Visible : Visibility.Hidden);
-
-            AddStep(@"simple #1", sendNotification1);
-            AddStep(@"simple #2", sendNotification2);
-            AddStep(@"progress #1", sendProgress1);
-            AddStep(@"progress #2", sendProgress2);
-            AddStep(@"barrage", () => sendBarrage());
-        }
-
-        private void sendBarrage(int remaining = 100)
-        {
-            switch (RNG.Next(0, 4))
-            {
-                case 0:
-                    sendNotification1();
-                    break;
-                case 1:
-                    sendNotification2();
-                    break;
-                case 2:
-                    sendProgress1();
-                    break;
-                case 3:
-                    sendProgress2();
-                    break;
-            }
-
-            if (remaining > 0)
-                Scheduler.AddDelayed(() => sendBarrage(remaining - 1), 80);
-        }
-
-        protected override void Update()
-        {
-            base.Update();
-
-            progressingNotifications.RemoveAll(n => n.State == ProgressNotificationState.Completed);
-
-            while (progressingNotifications.Count(n => n.State == ProgressNotificationState.Active) < 3)
-            {
-                var p = progressingNotifications.FirstOrDefault(n => n.IsAlive && n.State == ProgressNotificationState.Queued);
-                if (p == null)
-                    break;
-
-                p.State = ProgressNotificationState.Active;
-            }
-
-            foreach (var n in progressingNotifications.FindAll(n => n.State == ProgressNotificationState.Active))
-            {
-                if (n.Progress < 1)
-                    n.Progress += (float)(Time.Elapsed / 2000) * RNG.NextSingle();
-                else
-                    n.State = ProgressNotificationState.Completed;
-            }
-        }
-
-        private void sendProgress2()
-        {
-            var n = new ProgressNotification { Text = @"Downloading Haitai..." };
-            manager.Post(n);
-            progressingNotifications.Add(n);
-        }
-
-        private readonly List<ProgressNotification> progressingNotifications = new List<ProgressNotification>();
-
-        private void sendProgress1()
-        {
-            var n = new ProgressNotification { Text = @"Uploading to BSS..." };
-            manager.Post(n);
-            progressingNotifications.Add(n);
-        }
-
-        private void sendNotification2()
-        {
-            manager.Post(new SimpleNotification { Text = @"You are amazing" });
-        }
-
-        private void sendNotification1()
-        {
-            manager.Post(new SimpleNotification { Text = @"Welcome to osu!. Enjoy your stay!" });
-        }
-    }
-}

osu.Desktop.Tests/Visual/TestCasePlaySongSelect.cs

@@ -1,102 +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.Collections.Generic;
-using osu.Desktop.Tests.Platform;
-using osu.Framework.MathUtils;
-using osu.Game.Beatmaps;
-using osu.Game.Database;
-using osu.Game.Rulesets;
-using osu.Game.Screens.Select;
-using osu.Game.Screens.Select.Filter;
-
-namespace osu.Desktop.Tests.Visual
-{
-    internal class TestCasePlaySongSelect : OsuTestCase
-    {
-        private readonly BeatmapManager manager;
-
-        public override string Description => @"with fake data";
-
-        private readonly RulesetStore rulesets;
-
-        public TestCasePlaySongSelect()
-        {
-            PlaySongSelect songSelect;
-
-            if (manager == null)
-            {
-                var storage = new TestStorage(@"TestCasePlaySongSelect");
-
-                var backingDatabase = storage.GetDatabase(@"client");
-                backingDatabase.CreateTable<StoreVersion>();
-
-                rulesets = new RulesetStore(backingDatabase);
-                manager = new BeatmapManager(storage, null, backingDatabase, rulesets);
-
-                for (int i = 0; i < 100; i += 10)
-                    manager.Import(createTestBeatmapSet(i));
-            }
-
-            Add(songSelect = new PlaySongSelect());
-
-            AddStep(@"Sort by Artist", delegate { songSelect.FilterControl.Sort = SortMode.Artist; });
-            AddStep(@"Sort by Title", delegate { songSelect.FilterControl.Sort = SortMode.Title; });
-            AddStep(@"Sort by Author", delegate { songSelect.FilterControl.Sort = SortMode.Author; });
-            AddStep(@"Sort by Difficulty", delegate { songSelect.FilterControl.Sort = SortMode.Difficulty; });
-        }
-
-        private BeatmapSetInfo createTestBeatmapSet(int i)
-        {
-            return new BeatmapSetInfo
-            {
-                OnlineBeatmapSetID = 1234 + i,
-                Hash = "d8e8fca2dc0f896fd7cb4cb0031ba249",
-                Metadata = new BeatmapMetadata
-                {
-                    OnlineBeatmapSetID = 1234 + i,
-                    // Create random metadata, then we can check if sorting works based on these
-                    Artist = "MONACA " + RNG.Next(0, 9),
-                    Title = "Black Song " + RNG.Next(0, 9),
-                    Author = "Some Guy " + RNG.Next(0, 9),
-                },
-                Beatmaps = new List<BeatmapInfo>(new[]
-                {
-                    new BeatmapInfo
-                    {
-                        OnlineBeatmapID = 1234 + i,
-                        Ruleset = rulesets.Query<RulesetInfo>().First(),
-                        Path = "normal.osu",
-                        Version = "Normal",
-                        Difficulty = new BeatmapDifficulty
-                        {
-                            OverallDifficulty = 3.5f,
-                        }
-                    },
-                    new BeatmapInfo
-                    {
-                        OnlineBeatmapID = 1235 + i,
-                        Ruleset = rulesets.Query<RulesetInfo>().First(),
-                        Path = "hard.osu",
-                        Version = "Hard",
-                        Difficulty = new BeatmapDifficulty
-                        {
-                            OverallDifficulty = 5,
-                        }
-                    },
-                    new BeatmapInfo
-                    {
-                        OnlineBeatmapID = 1236 + i,
-                        Ruleset = rulesets.Query<RulesetInfo>().First(),
-                        Path = "insane.osu",
-                        Version = "Insane",
-                        Difficulty = new BeatmapDifficulty
-                        {
-                            OverallDifficulty = 7,
-                        }
-                    },
-                }),
-            };
-        }
-    }
-}

osu.Desktop.Tests/Visual/TestCasePlayer.cs

@@ -1,87 +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.Collections.Generic;
-using osu.Desktop.Tests.Beatmaps;
-using osu.Framework.Allocation;
-using osu.Framework.Graphics.Shapes;
-using osu.Game.Beatmaps;
-using osu.Game.Rulesets;
-using osu.Game.Rulesets.Objects;
-using osu.Game.Rulesets.Osu.Objects;
-using osu.Game.Rulesets.Osu.UI;
-using osu.Game.Screens.Play;
-using OpenTK;
-using OpenTK.Graphics;
-
-namespace osu.Desktop.Tests.Visual
-{
-    internal class TestCasePlayer : OsuTestCase
-    {
-        protected Player Player;
-        private RulesetStore rulesets;
-
-        public override string Description => @"Showing everything to play the game.";
-
-        [BackgroundDependencyLoader]
-        private void load(RulesetStore rulesets)
-        {
-            this.rulesets = rulesets;
-        }
-
-        protected override void LoadComplete()
-        {
-            base.LoadComplete();
-
-            var objects = new List<HitObject>();
-
-            int time = 1500;
-            for (int i = 0; i < 50; i++)
-            {
-                objects.Add(new HitCircle
-                {
-                    StartTime = time,
-                    Position = new Vector2(i % 4 == 0 || i % 4 == 2 ? 0 : OsuPlayfield.BASE_SIZE.X,
-                    i % 4 < 2 ? 0 : OsuPlayfield.BASE_SIZE.Y),
-                    NewCombo = i % 4 == 0
-                });
-
-                time += 500;
-            }
-
-            Beatmap b = new Beatmap
-            {
-                HitObjects = objects,
-                BeatmapInfo = new BeatmapInfo
-                {
-                    Difficulty = new BeatmapDifficulty(),
-                    Ruleset = rulesets.Query<RulesetInfo>().First(),
-                    Metadata = new BeatmapMetadata
-                    {
-                        Artist = @"Unknown",
-                        Title = @"Sample Beatmap",
-                        Author = @"peppy",
-                    }
-                }
-            };
-
-            WorkingBeatmap beatmap = new TestWorkingBeatmap(b);
-
-            Add(new Box
-            {
-                RelativeSizeAxes = Framework.Graphics.Axes.Both,
-                Colour = Color4.Black,
-            });
-
-            Add(Player = CreatePlayer(beatmap));
-        }
-
-        protected virtual Player CreatePlayer(WorkingBeatmap beatmap)
-        {
-            return new Player
-            {
-                InitialBeatmap = beatmap
-            };
-        }
-    }
-}

osu.Desktop.Tests/Visual/TestCaseReplay.cs

@@ -1,22 +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.Game.Beatmaps;
-using osu.Game.Rulesets.Mods;
-using osu.Game.Rulesets.Osu.Mods;
-using osu.Game.Screens.Play;
-
-namespace osu.Desktop.Tests.Visual
-{
-    internal class TestCaseReplay : TestCasePlayer
-    {
-        public override string Description => @"Testing replay playback.";
-
-        protected override Player CreatePlayer(WorkingBeatmap beatmap)
-        {
-            beatmap.Mods.Value = new Mod[] { new OsuModAutoplay() };
-
-            return base.CreatePlayer(beatmap);
-        }
-    }
-}

osu.Desktop.Tests/Visual/TestCaseScrollingPlayfield.cs

@@ -1,228 +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 System.Collections.Generic;
-using NUnit.Framework;
-using OpenTK;
-using osu.Desktop.Tests.Beatmaps;
-using osu.Framework.Extensions.IEnumerableExtensions;
-using osu.Framework.Graphics;
-using osu.Framework.Graphics.Containers;
-using osu.Framework.Graphics.Shapes;
-using osu.Framework.Input;
-using osu.Framework.Timing;
-using osu.Game.Beatmaps;
-using osu.Game.Beatmaps.ControlPoints;
-using osu.Game.Rulesets.Beatmaps;
-using osu.Game.Rulesets.Judgements;
-using osu.Game.Rulesets.Objects;
-using osu.Game.Rulesets.Objects.Drawables;
-using osu.Game.Rulesets.Scoring;
-using osu.Game.Rulesets.Timing;
-using osu.Game.Rulesets.UI;
-
-namespace osu.Desktop.Tests.Visual
-{
-    /// <summary>
-    /// The most minimal implementation of a playfield with scrolling hit objects.
-    /// </summary>
-    [TestFixture]
-    public class TestCaseScrollingPlayfield : OsuTestCase
-    {
-        public TestCaseScrollingPlayfield()
-        {
-            Clock = new FramedClock();
-
-            var objects = new List<HitObject>();
-
-            int time = 1500;
-            for (int i = 0; i < 50; i++)
-            {
-                objects.Add(new TestHitObject { StartTime = time });
-
-                time += 500;
-            }
-
-            Beatmap b = new Beatmap
-            {
-                HitObjects = objects,
-                BeatmapInfo = new BeatmapInfo
-                {
-                    Difficulty = new BeatmapDifficulty(),
-                    Metadata = new BeatmapMetadata()
-                }
-            };
-
-            WorkingBeatmap beatmap = new TestWorkingBeatmap(b);
-
-            TestRulesetContainer horizontalRulesetContainer;
-            Add(horizontalRulesetContainer = new TestRulesetContainer(Axes.X, beatmap, true));
-
-            TestRulesetContainer verticalRulesetContainer;
-            Add(verticalRulesetContainer = new TestRulesetContainer(Axes.Y, beatmap, true));
-
-            AddStep("Reverse direction", () =>
-            {
-                horizontalRulesetContainer.Playfield.Reverse();
-                verticalRulesetContainer.Playfield.Reverse();
-            });
-        }
-
-        [Test]
-        public void TestSpeedAdjustmentOrdering()
-        {
-            var hitObjectContainer = new ScrollingPlayfield<TestHitObject, TestJudgement>.ScrollingHitObjectContainer(Axes.X);
-
-            var speedAdjustments = new[]
-            {
-                new SpeedAdjustmentContainer(new MultiplierControlPoint()),
-                new SpeedAdjustmentContainer(new MultiplierControlPoint(1000)
-                {
-                    TimingPoint = new TimingControlPoint { BeatLength = 500 }
-                }),
-                new SpeedAdjustmentContainer(new MultiplierControlPoint(2000)
-                {
-                    TimingPoint = new TimingControlPoint { BeatLength = 1000 },
-                    DifficultyPoint = new DifficultyControlPoint { SpeedMultiplier = 2}
-                }),
-                new SpeedAdjustmentContainer(new MultiplierControlPoint(3000)
-                {
-                    TimingPoint = new TimingControlPoint { BeatLength = 1000 },
-                    DifficultyPoint = new DifficultyControlPoint { SpeedMultiplier = 1}
-                }),
-            };
-
-            var hitObjects = new[]
-            {
-                new DrawableTestHitObject(Axes.X, new TestHitObject { StartTime = -1000 }),
-                new DrawableTestHitObject(Axes.X, new TestHitObject()),
-                new DrawableTestHitObject(Axes.X, new TestHitObject { StartTime = 1000 }),
-                new DrawableTestHitObject(Axes.X, new TestHitObject { StartTime = 2000 }),
-                new DrawableTestHitObject(Axes.X, new TestHitObject { StartTime = 3000 }),
-                new DrawableTestHitObject(Axes.X, new TestHitObject { StartTime = 4000 }),
-            };
-
-            hitObjects.ForEach(h => hitObjectContainer.Add(h));
-            speedAdjustments.ForEach(hitObjectContainer.AddSpeedAdjustment);
-
-            // The 0th index in hitObjectContainer.SpeedAdjustments is the "default" control point
-            // Check multiplier of the default speed adjustment
-            Assert.AreEqual(1, hitObjectContainer.SpeedAdjustments[0].ControlPoint.Multiplier);
-            Assert.AreEqual(1, speedAdjustments[0].ControlPoint.Multiplier);
-            Assert.AreEqual(2, speedAdjustments[1].ControlPoint.Multiplier);
-            Assert.AreEqual(2, speedAdjustments[2].ControlPoint.Multiplier);
-            Assert.AreEqual(1, speedAdjustments[3].ControlPoint.Multiplier);
-
-            // Check insertion of hit objects
-            Assert.IsTrue(hitObjectContainer.SpeedAdjustments[4].Contains(hitObjects[0]));
-            Assert.IsTrue(hitObjectContainer.SpeedAdjustments[3].Contains(hitObjects[1]));
-            Assert.IsTrue(hitObjectContainer.SpeedAdjustments[2].Contains(hitObjects[2]));
-            Assert.IsTrue(hitObjectContainer.SpeedAdjustments[1].Contains(hitObjects[3]));
-            Assert.IsTrue(hitObjectContainer.SpeedAdjustments[0].Contains(hitObjects[4]));
-            Assert.IsTrue(hitObjectContainer.SpeedAdjustments[0].Contains(hitObjects[5]));
-
-            hitObjectContainer.RemoveSpeedAdjustment(hitObjectContainer.SpeedAdjustments[3]);
-
-            // The hit object contained in this speed adjustment should be resorted into the one occuring before it
-
-            Assert.IsTrue(hitObjectContainer.SpeedAdjustments[3].Contains(hitObjects[1]));
-        }
-
-        private class TestRulesetContainer : ScrollingRulesetContainer<TestPlayfield, TestHitObject, TestJudgement>
-        {
-            private readonly Axes scrollingAxes;
-
-            public TestRulesetContainer(Axes scrollingAxes, WorkingBeatmap beatmap, bool isForCurrentRuleset)
-                : base(null, beatmap, isForCurrentRuleset)
-            {
-                this.scrollingAxes = scrollingAxes;
-            }
-
-            public new TestPlayfield Playfield => base.Playfield;
-
-            public override ScoreProcessor CreateScoreProcessor() => new TestScoreProcessor();
-
-            public override PassThroughInputManager CreateInputManager() => new PassThroughInputManager();
-
-            protected override BeatmapConverter<TestHitObject> CreateBeatmapConverter() => new TestBeatmapConverter();
-
-            protected override Playfield<TestHitObject, TestJudgement> CreatePlayfield() => new TestPlayfield(scrollingAxes);
-
-            protected override DrawableHitObject<TestHitObject, TestJudgement> GetVisualRepresentation(TestHitObject h) => new DrawableTestHitObject(scrollingAxes, h);
-        }
-
-        private class TestScoreProcessor : ScoreProcessor<TestHitObject, TestJudgement>
-        {
-            protected override void OnNewJudgement(TestJudgement judgement)
-            {
-            }
-        }
-
-        private class TestBeatmapConverter : BeatmapConverter<TestHitObject>
-        {
-            protected override IEnumerable<Type> ValidConversionTypes => new[] { typeof(HitObject) };
-
-            protected override IEnumerable<TestHitObject> ConvertHitObject(HitObject original, Beatmap beatmap)
-            {
-                yield return original as TestHitObject;
-            }
-        }
-
-        private class DrawableTestHitObject : DrawableScrollingHitObject<TestHitObject, TestJudgement>
-        {
-            public DrawableTestHitObject(Axes scrollingAxes, TestHitObject hitObject)
-                : base(hitObject)
-            {
-                Anchor = scrollingAxes == Axes.Y ? Anchor.TopCentre : Anchor.CentreLeft;
-                Origin = Anchor.Centre;
-
-                AutoSizeAxes = Axes.Both;
-
-                Add(new Circle
-                {
-                    Size = new Vector2(50)
-                });
-            }
-
-            protected override TestJudgement CreateJudgement() => new TestJudgement();
-
-            protected override void UpdateState(ArmedState state)
-            {
-            }
-        }
-
-        private class TestPlayfield : ScrollingPlayfield<TestHitObject, TestJudgement>
-        {
-            protected override Container<Drawable> Content => content;
-            private readonly Container<Drawable> content;
-
-            public TestPlayfield(Axes scrollingAxes)
-                : base(scrollingAxes)
-            {
-                InternalChildren = new Drawable[]
-                {
-                    new Box
-                    {
-                        RelativeSizeAxes = Axes.Both,
-                        Alpha = 0.2f
-                    },
-                    content = new Container { RelativeSizeAxes = Axes.Both }
-                };
-            }
-
-            public void Reverse() => Reversed.Toggle();
-        }
-
-
-        private class TestHitObject : HitObject
-        {
-        }
-
-        private class TestJudgement : Judgement
-        {
-            public override string ResultString { get { throw new NotImplementedException(); } }
-            public override string MaxResultString { get { throw new NotImplementedException(); } }
-        }
-    }
-}

osu.Desktop.Tests/Visual/TestCaseSettings.cs

@@ -1,25 +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.Game.Overlays;
-
-namespace osu.Desktop.Tests.Visual
-{
-    internal class TestCaseSettings : OsuTestCase
-    {
-        public override string Description => @"Tests the settings overlay";
-
-        private readonly SettingsOverlay settings;
-
-        public TestCaseSettings()
-        {
-            Children = new[] { settings = new MainSettings() };
-        }
-
-        protected override void LoadComplete()
-        {
-            base.LoadComplete();
-            settings.ToggleVisibility();
-        }
-    }
-}

osu.Desktop.Tests/Visual/TestCaseTextAwesome.cs

@@ -1,48 +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.Graphics;
-using osu.Framework.Graphics.Containers;
-using osu.Framework.MathUtils;
-using osu.Game.Graphics;
-using OpenTK;
-using OpenTK.Graphics;
-
-namespace osu.Desktop.Tests.Visual
-{
-    internal class TestCaseTextAwesome : OsuTestCase
-    {
-        public override string Description => @"Tests display of icons";
-
-        public TestCaseTextAwesome()
-        {
-            FillFlowContainer flow;
-
-            Add(flow = new FillFlowContainer
-            {
-                RelativeSizeAxes = Axes.Both,
-                Size = new Vector2(0.5f),
-                Anchor = Anchor.Centre,
-                Origin = Anchor.Centre
-            });
-
-            int i = 50;
-            foreach (FontAwesome fa in Enum.GetValues(typeof(FontAwesome)))
-            {
-                flow.Add(new SpriteIcon
-                {
-                    Icon = fa,
-                    Size = new Vector2(60),
-                    Colour = new Color4(
-                        Math.Max(0.5f, RNG.NextSingle()),
-                        Math.Max(0.5f, RNG.NextSingle()),
-                        Math.Max(0.5f, RNG.NextSingle()),
-                        1)
-                });
-
-                if (i-- == 0) break;
-            }
-        }
-    }
-}

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

@@ -1,174 +0,0 @@
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-    <RootNamespace>osu.Desktop.Tests</RootNamespace>
-    <AssemblyName>osu.Desktop.Tests</AssemblyName>
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-    <DebugSymbols>true</DebugSymbols>
-    <DebugType>full</DebugType>
-    <Optimize>false</Optimize>
-    <OutputPath>bin\Debug\</OutputPath>
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-    <ErrorReport>prompt</ErrorReport>
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-    <Optimize>true</Optimize>
-    <OutputPath>bin\Release\</OutputPath>
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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="10.0.2" targetFramework="net45" />
-  <package id="NUnit" version="3.7.1" targetFramework="net45" />
-  <package id="ppy.OpenTK" version="3.0" targetFramework="net45" />
-  <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/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>v4.5</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>
-    <NoStdLib>true</NoStdLib>
-    <UseVSHostingProcess>false</UseVSHostingProcess>
-    <PlatformTarget>AnyCPU</PlatformTarget>
-    <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
-    <CodeAnalysisRuleSet>AllRules.ruleset</CodeAnalysisRuleSet>
-    <RunCodeAnalysis>false</RunCodeAnalysis>
-    <Prefer32Bit>false</Prefer32Bit>
-    <TreatWarningsAsErrors>false</TreatWarningsAsErrors>
-    <LangVersion>6</LangVersion>
-  </PropertyGroup>
-  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' ">
-    <DebugType>none</DebugType>
-    <Optimize>true</Optimize>
-    <OutputPath>bin\Release\</OutputPath>
-    <DefineConstants>CuttingEdge NoUpdate</DefineConstants>
-    <ErrorReport>prompt</ErrorReport>
-    <WarningLevel>4</WarningLevel>
-    <NoStdLib>true</NoStdLib>
-    <UseVSHostingProcess>false</UseVSHostingProcess>
-    <PlatformTarget>AnyCPU</PlatformTarget>
-    <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
-    <CodeAnalysisRuleSet>AllRules.ruleset</CodeAnalysisRuleSet>
-    <Prefer32Bit>false</Prefer32Bit>
-    <TreatWarningsAsErrors>false</TreatWarningsAsErrors>
-  </PropertyGroup>
-  <PropertyGroup>
-    <Win32Resource>
-    </Win32Resource>
-  </PropertyGroup>
-  <ItemGroup>
-    <Reference Include="mscorlib" />
-    <Reference Include="Newtonsoft.Json, Version=10.0.0.0, Culture=neutral, PublicKeyToken=30ad4fe6b2a6aeed, processorArchitecture=MSIL">
-      <HintPath>$(SolutionDir)\packages\Newtonsoft.Json.10.0.2\lib\net45\Newtonsoft.Json.dll</HintPath>
-    </Reference>
-    <Reference Include="OpenTK, Version=3.0.0.0, Culture=neutral, PublicKeyToken=bad199fe84eb3df4, processorArchitecture=MSIL">
-      <HintPath>$(SolutionDir)\packages\ppy.OpenTK.3.0\lib\net45\OpenTK.dll</HintPath>
-      <Private>True</Private>
-    </Reference>
-    <Reference Include="SharpCompress, Version=0.17.1.0, Culture=neutral, PublicKeyToken=afb0a02973931d96, processorArchitecture=MSIL">
-      <HintPath>$(SolutionDir)\packages\SharpCompress.0.17.1\lib\net45\SharpCompress.dll</HintPath>
-      <Private>True</Private>
-    </Reference>
-    <Reference Include="SQLite.Net, Version=3.1.0.0, Culture=neutral, processorArchitecture=MSIL">
-      <SpecificVersion>False</SpecificVersion>
-      <HintPath>$(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>
-    <None Include="..\osu.licenseheader">
-      <Link>osu.licenseheader</Link>
-    </None>
-    <None Include="packages.config" />
-    <None Include="OpenTK.dll.config" />
-  </ItemGroup>
-  <ItemGroup>
-    <BootstrapperPackage Include="Microsoft.Net.Client.3.5">
-      <Visible>False</Visible>
-      <ProductName>.NET Framework 3.5 SP1 Client Profile</ProductName>
-      <Install>false</Install>
-    </BootstrapperPackage>
-    <BootstrapperPackage Include="Microsoft.Net.Framework.2.0">
-      <Visible>False</Visible>
-      <ProductName>.NET Framework 2.0 %28x86%29</ProductName>
-      <Install>true</Install>
-    </BootstrapperPackage>
-    <BootstrapperPackage Include="Microsoft.Net.Framework.3.0">
-      <Visible>False</Visible>
-      <ProductName>.NET Framework 3.0 %28x86%29</ProductName>
-      <Install>false</Install>
-    </BootstrapperPackage>
-    <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.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="Program.cs" />
-    <Compile Include="VisualTestGame.cs" />
-  </ItemGroup>
-  <ItemGroup />
-  <ItemGroup />
-  <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.VisualTests/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="10.0.2" targetFramework="net45" />
-  <package id="ppy.OpenTK" version="3.0" targetFramework="net45" />
-  <package id="SharpCompress" version="0.17.1" targetFramework="net45" />
-  <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/OpenTK.dll.config

@@ -1,7 +1,3 @@
-<!--
-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"/>

osu.Desktop/OsuGameDesktop.cs

@@ -1,30 +1,29 @@
-// Copyright (c) 2007-2017 ppy Pty Ltd <contact@ppy.sh>.
+// Copyright (c) 2007-2018 ppy Pty Ltd <contact@ppy.sh>.
 // Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
 
 using System;
-using osu.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 Microsoft.Win32;
+using osu.Desktop.Overlays;
 using osu.Framework.Graphics.Containers;
-using osu.Game.Screens.Menu;
+using osu.Framework.Platform;
+using osu.Game;
+using OpenTK.Input;
 
 namespace osu.Desktop
 {
     internal class OsuGameDesktop : OsuGame
     {
-        private VersionManager versionManager;
+        private readonly bool noVersionOverlay;
 
         public OsuGameDesktop(string[] args = null)
             : base(args)
         {
+            noVersionOverlay = args?.Any(a => a == "--no-version-overlay") ?? false;
         }
 
         public override Storage GetStorageForStableInstall()
@@ -46,7 +45,7 @@ namespace osu.Desktop
         {
             protected override string LocateBasePath()
             {
-                Func<string, bool> checkExists = p => Directory.Exists(Path.Combine(p, "Songs"));
+                bool checkExists(string p) => Directory.Exists(Path.Combine(p, "Songs"));
 
                 string stableInstallPath;
 
@@ -83,16 +82,14 @@ namespace osu.Desktop
         {
             base.LoadComplete();
 
-            LoadComponentAsync(versionManager = new VersionManager { Depth = int.MinValue });
-
-            ScreenChanged += s =>
+            if (!noVersionOverlay)
             {
-                if (s is Intro && s.ChildScreen == null)
+                LoadComponentAsync(new VersionManager { Depth = int.MinValue }, v =>
                 {
-                    Add(versionManager);
-                    versionManager.State = Visibility.Visible;
-                }
-            };
+                    Add(v);
+                    v.State = Visibility.Visible;
+                });
+            }
         }
 
         public override void SetHost(GameHost host)
@@ -106,19 +103,16 @@ namespace osu.Desktop
                 desktopWindow.Icon = new Icon(Assembly.GetExecutingAssembly().GetManifestResourceStream(GetType(), "lazer.ico"));
                 desktopWindow.Title = Name;
 
-                desktopWindow.DragEnter += dragEnter;
-                desktopWindow.DragDrop += dragDrop;
+                desktopWindow.FileDrop += fileDrop;
             }
         }
 
-        private void dragDrop(DragEventArgs e)
+        private void fileDrop(object sender, FileDropEventArgs e)
         {
-            // this method will only be executed if e.Effect in dragEnter gets set to something other that None.
-            var dropData = (object[])e.Data.GetData(DataFormats.FileDrop);
-            var filePaths = dropData.Select(f => f.ToString()).ToArray();
+            var filePaths = new [] { e.FileName };
 
             if (filePaths.All(f => Path.GetExtension(f) == @".osz"))
-                Task.Run(() => BeatmapManager.Import(filePaths));
+                Task.Factory.StartNew(() => BeatmapManager.Import(filePaths), TaskCreationOptions.LongRunning);
             else if (filePaths.All(f => Path.GetExtension(f) == @".osr"))
                 Task.Run(() =>
                 {
@@ -128,16 +122,5 @@ namespace osu.Desktop
         }
 
         private static readonly string[] allowed_extensions = { @".osz", @".osr" };
-
-        private void dragEnter(DragEventArgs e)
-        {
-            // dragDrop will only be executed if e.Effect gets set to something other that None in this method.
-            bool isFile = e.Data.GetDataPresent(DataFormats.FileDrop);
-            if (isFile)
-            {
-                var paths = ((object[])e.Data.GetData(DataFormats.FileDrop)).Select(f => f.ToString()).ToArray();
-                e.Effect = allowed_extensions.Any(ext => paths.All(p => p.EndsWith(ext))) ? DragDropEffects.Copy : DragDropEffects.None;
-            }
-        }
     }
 }

osu.Desktop/OsuTestBrowser.cs

@@ -1,4 +1,4 @@
-// Copyright (c) 2007-2017 ppy Pty Ltd <contact@ppy.sh>.
+// Copyright (c) 2007-2018 ppy Pty Ltd <contact@ppy.sh>.
 // Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
 
 using osu.Framework.Platform;
@@ -24,12 +24,7 @@ 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.Desktop/Overlays/VersionManager.cs

@@ -1,26 +1,26 @@
-// Copyright (c) 2007-2017 ppy Pty Ltd <contact@ppy.sh>.
+// Copyright (c) 2007-2018 ppy Pty Ltd <contact@ppy.sh>.
 // Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
 
 using System;
 using System.Diagnostics;
 using osu.Framework.Allocation;
+using osu.Framework.Development;
 using osu.Framework.Graphics;
 using osu.Framework.Graphics.Colour;
 using osu.Framework.Graphics.Containers;
-using osu.Game.Graphics.Sprites;
-using osu.Game.Overlays;
-using osu.Game.Overlays.Notifications;
-using Squirrel;
 using osu.Framework.Graphics.Shapes;
 using osu.Framework.Graphics.Sprites;
 using osu.Framework.Graphics.Textures;
-using osu.Game.Graphics;
-using OpenTK;
-using OpenTK.Graphics;
-using System.Net.Http;
 using osu.Framework.Logging;
 using osu.Game;
 using osu.Game.Configuration;
+using osu.Game.Graphics;
+using osu.Game.Graphics.Sprites;
+using osu.Game.Overlays;
+using osu.Game.Overlays.Notifications;
+using OpenTK;
+using OpenTK.Graphics;
+using Squirrel;
 
 namespace osu.Desktop.Overlays
 {
@@ -31,7 +31,8 @@ namespace osu.Desktop.Overlays
         private OsuConfigManager config;
         private OsuGameBase game;
 
-        public override bool HandleInput => false;
+        public override bool HandleKeyboardInput => false;
+        public override bool HandleMouseInput => false;
 
         [BackgroundDependencyLoader]
         private void load(NotificationOverlay notification, OsuColour colours, TextureStore textures, OsuGameBase game, OsuConfigManager config)
@@ -70,7 +71,7 @@ namespace osu.Desktop.Overlays
                                 },
                                 new OsuSpriteText
                                 {
-                                    Colour = game.IsDebug ? colours.Red : Color4.White,
+                                    Colour = DebugUtils.IsDebug ? colours.Red : Color4.White,
                                     Text = game.Version
                                 },
                             }
@@ -110,7 +111,7 @@ namespace osu.Desktop.Overlays
 
                 // only show a notification if we've previously saved a version to the config file (ie. not the first run).
                 if (!string.IsNullOrEmpty(lastVersion))
-                    Scheduler.AddDelayed(() => notificationOverlay.Post(new UpdateCompleteNotification(version)), 5000);
+                    notificationOverlay.Post(new UpdateCompleteNotification(version));
             }
         }
 
@@ -197,10 +198,9 @@ namespace osu.Desktop.Overlays
                     }
                 }
             }
-            catch (HttpRequestException)
+            catch (Exception)
             {
-                //likely have no internet connection.
-                //we'll ignore this and retry later.
+                // we'll ignore this and retry later. can be triggered by no internet connection or thread abortion.
             }
             finally
             {
@@ -232,7 +232,8 @@ namespace osu.Desktop.Overlays
                 Text = @"Update ready to install. Click to restart!",
                 Activated = () =>
                 {
-                    UpdateManager.RestartAppWhenExited();
+                    // Squirrel returns execution to us after the update process is started, so it's safe to use Wait() here
+                    UpdateManager.RestartAppWhenExited().Wait();
                     game.GracefullyExit();
                     return true;
                 }

osu.Desktop/Program.cs

@@ -1,11 +1,11 @@
-// Copyright (c) 2007-2017 ppy Pty Ltd <contact@ppy.sh>.
+// Copyright (c) 2007-2018 ppy Pty Ltd <contact@ppy.sh>.
 // Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
 
 using System;
 using System.IO;
 using System.Linq;
-using osu.Framework.Desktop;
-using osu.Framework.Desktop.Platform;
+using osu.Framework;
+using osu.Framework.Platform;
 using osu.Game.IPC;
 
 namespace osu.Desktop
@@ -43,7 +43,6 @@ namespace osu.Desktop
                             host.Run(new OsuGameDesktop(args));
                             break;
                     }
-
                 }
                 return 0;
             }

osu.Desktop/Properties/AssemblyInfo.cs

@@ -1,4 +1,4 @@
-// Copyright (c) 2007-2017 ppy Pty Ltd <contact@ppy.sh>.
+// Copyright (c) 2007-2018 ppy Pty Ltd <contact@ppy.sh>.
 // Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
 
 using System.Reflection;
@@ -12,7 +12,7 @@ using System.Runtime.InteropServices;
 [assembly: AssemblyConfiguration("")]
 [assembly: AssemblyCompany("ppy Pty Ltd")]
 [assembly: AssemblyProduct("osu!lazer")]
-[assembly: AssemblyCopyright("ppy Pty Ltd 2007-2017")]
+[assembly: AssemblyCopyright("ppy Pty Ltd 2007-2018")]
 [assembly: AssemblyTrademark("")]
 [assembly: AssemblyCulture("")]
 
@@ -22,7 +22,7 @@ using System.Runtime.InteropServices;
 [assembly: ComVisible(false)]
 
 // The following GUID is for the ID of the typelib if this project is exposed to COM
-[assembly: Guid("55e28cb2-7b6c-4595-8dcc-9871d8aad7e9")]
+[assembly: Guid("b0cb1d48-e4c2-4612-a347-beea7b1a71e7")]
 
 [assembly: AssemblyVersion("0.0.0")]
 [assembly: AssemblyFileVersion("0.0.0")]

osu.Desktop/app.config

@@ -0,0 +1,44 @@
+<?xml version="1.0" encoding="utf-8"?>
+<configuration>
+<startup><supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.6.1" /></startup>
+  <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>
+      <dependentAssembly>
+        <assemblyIdentity name="SharpCompress" publicKeyToken="afb0a02973931d96" culture="neutral" />
+        <bindingRedirect oldVersion="0.0.0.0-0.18.1.0" newVersion="0.18.1.0" />
+      </dependentAssembly>
+      <dependentAssembly>
+        <assemblyIdentity name="System.ValueTuple" publicKeyToken="cc7b13ffcd2ddd51" culture="neutral" />
+        <bindingRedirect oldVersion="0.0.0.0-4.0.2.0" newVersion="4.0.2.0" />
+      </dependentAssembly>
+      <dependentAssembly>
+        <assemblyIdentity name="System.Security.Cryptography.Algorithms" publicKeyToken="b03f5f7f11d50a3a" culture="neutral" />
+        <bindingRedirect oldVersion="0.0.0.0-4.1.0.0" newVersion="4.1.0.0" />
+      </dependentAssembly>
+      <dependentAssembly>
+        <assemblyIdentity name="System.IO.FileSystem" publicKeyToken="b03f5f7f11d50a3a" culture="neutral" />
+        <bindingRedirect oldVersion="0.0.0.0-4.0.2.0" newVersion="4.0.2.0" />
+      </dependentAssembly>
+      <dependentAssembly>
+        <assemblyIdentity name="System.IO.Compression" publicKeyToken="b77a5c561934e089" culture="neutral" />
+        <bindingRedirect oldVersion="0.0.0.0-4.1.2.0" newVersion="4.1.2.0" />
+      </dependentAssembly>
+      <dependentAssembly>
+        <assemblyIdentity name="System.IO.FileSystem.Primitives" publicKeyToken="b03f5f7f11d50a3a" culture="neutral" />
+        <bindingRedirect oldVersion="0.0.0.0-4.0.2.0" newVersion="4.0.2.0" />
+      </dependentAssembly>
+      <dependentAssembly>
+        <assemblyIdentity name="System.Security.Cryptography.Primitives" publicKeyToken="b03f5f7f11d50a3a" culture="neutral" />
+        <bindingRedirect oldVersion="0.0.0.0-4.0.1.0" newVersion="4.0.1.0" />
+      </dependentAssembly>
+      <dependentAssembly>
+        <assemblyIdentity name="System.Xml.XPath.XDocument" publicKeyToken="b03f5f7f11d50a3a" culture="neutral" />
+        <bindingRedirect oldVersion="0.0.0.0-4.0.2.0" newVersion="4.0.2.0" />
+      </dependentAssembly>
+    </assemblyBinding>
+  </runtime>
+</configuration>

osu.Desktop/osu.Desktop.csproj

@@ -1,7 +1,8 @@
 <?xml version="1.0" encoding="utf-8"?>
-<Project DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003" ToolsVersion="4.0">
+<Project DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003" ToolsVersion="14.0">
+  <Import Project="..\osu.Game.props" />
   <PropertyGroup>
-    <ProjectGuid>{2A66DD92-ADB1-4994-89E2-C94E04ACDA0D}</ProjectGuid>
+    <ProjectGuid>{419659FD-72EA-4678-9EB8-B22A746CED70}</ProjectGuid>
     <Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
     <Platform Condition=" '$(Platform)' == '' ">AnyCPU</Platform>
     <OutputType>WinExe</OutputType>
@@ -22,7 +23,7 @@
     <RunPostBuildEvent>OnOutputUpdated</RunPostBuildEvent>
     <SignAssembly>false</SignAssembly>
     <TargetZone>LocalIntranet</TargetZone>
-    <TargetFrameworkVersion>v4.5</TargetFrameworkVersion>
+    <TargetFrameworkVersion>v4.6.1</TargetFrameworkVersion>
     <AutoGenerateBindingRedirects>true</AutoGenerateBindingRedirects>
     <PublishUrl>publish\</PublishUrl>
     <Install>true</Install>
@@ -57,13 +58,11 @@
     <UseVSHostingProcess>false</UseVSHostingProcess>
     <PlatformTarget>AnyCPU</PlatformTarget>
     <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
-    <CodeAnalysisRuleSet>AllRules.ruleset</CodeAnalysisRuleSet>
     <RunCodeAnalysis>false</RunCodeAnalysis>
     <Prefer32Bit>false</Prefer32Bit>
     <TreatWarningsAsErrors>false</TreatWarningsAsErrors>
     <Commandlineparameters>
     </Commandlineparameters>
-    <LangVersion>6</LangVersion>
   </PropertyGroup>
   <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' ">
     <DebugType>none</DebugType>
@@ -76,7 +75,6 @@
     <UseVSHostingProcess>false</UseVSHostingProcess>
     <PlatformTarget>AnyCPU</PlatformTarget>
     <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
-    <CodeAnalysisRuleSet>AllRules.ruleset</CodeAnalysisRuleSet>
     <Prefer32Bit>false</Prefer32Bit>
     <TreatWarningsAsErrors>false</TreatWarningsAsErrors>
   </PropertyGroup>
@@ -100,9 +98,7 @@
     <DebugType>full</DebugType>
     <PlatformTarget>AnyCPU</PlatformTarget>
     <UseVSHostingProcess>false</UseVSHostingProcess>
-    <LangVersion>6</LangVersion>
     <ErrorReport>prompt</ErrorReport>
-    <CodeAnalysisRuleSet>AllRules.ruleset</CodeAnalysisRuleSet>
     <StartArguments>--tests</StartArguments>
   </PropertyGroup>
   <ItemGroup>
@@ -136,43 +132,48 @@
     </Reference>
     <Reference Include="mscorlib" />
     <Reference Include="NuGet.Squirrel, Version=3.0.0.0, Culture=neutral, processorArchitecture=MSIL">
-      <HintPath>$(SolutionDir)\packages\squirrel.windows.1.7.5\lib\Net45\NuGet.Squirrel.dll</HintPath>
+      <HintPath>$(SolutionDir)\packages\squirrel.windows.1.7.8\lib\Net45\NuGet.Squirrel.dll</HintPath>
       <Private>True</Private>
     </Reference>
-    <Reference Include="OpenTK, Version=3.0.0.0, Culture=neutral, PublicKeyToken=bad199fe84eb3df4, processorArchitecture=MSIL">
-      <HintPath>$(SolutionDir)\packages\ppy.OpenTK.3.0\lib\net45\OpenTK.dll</HintPath>
+    <Reference Include="OpenTK, Version=3.0.0.0, Culture=neutral, PublicKeyToken=bad199fe84eb3df4">
+      <HintPath>$(SolutionDir)\packages\ppy.OpenTK.3.0.11\lib\net45\OpenTK.dll</HintPath>
       <Private>True</Private>
     </Reference>
-    <Reference Include="SharpCompress, Version=0.17.1.0, Culture=neutral, PublicKeyToken=afb0a02973931d96, processorArchitecture=MSIL">
-      <HintPath>$(SolutionDir)\packages\SharpCompress.0.17.1\lib\net45\SharpCompress.dll</HintPath>
+    <Reference Include="SharpCompress, Version=0.18.1.0, Culture=neutral, PublicKeyToken=afb0a02973931d96, processorArchitecture=MSIL">
+      <HintPath>$(SolutionDir)\packages\SharpCompress.0.18.1\lib\net45\SharpCompress.dll</HintPath>
       <Private>True</Private>
     </Reference>
     <Reference Include="Splat, Version=2.0.0.0, Culture=neutral, processorArchitecture=MSIL">
       <HintPath>$(SolutionDir)\packages\Splat.2.0.0\lib\Net45\Splat.dll</HintPath>
       <Private>True</Private>
     </Reference>
-    <Reference Include="Squirrel, Version=1.7.5.0, Culture=neutral, processorArchitecture=MSIL">
-      <HintPath>$(SolutionDir)\packages\squirrel.windows.1.7.5\lib\Net45\Squirrel.dll</HintPath>
+    <Reference Include="SQLitePCLRaw.batteries_green, Version=1.0.0.0, Culture=neutral, PublicKeyToken=a84b7dcfb1391f7f, processorArchitecture=MSIL">
+      <HintPath>$(SolutionDir)\packages\SQLitePCLRaw.bundle_green.1.1.8\lib\net45\SQLitePCLRaw.batteries_green.dll</HintPath>
+    </Reference>
+    <Reference Include="SQLitePCLRaw.batteries_v2, Version=1.0.0.0, Culture=neutral, PublicKeyToken=8226ea5df37bcae9, processorArchitecture=MSIL">
+      <HintPath>$(SolutionDir)\packages\SQLitePCLRaw.bundle_green.1.1.8\lib\net45\SQLitePCLRaw.batteries_v2.dll</HintPath>
+    </Reference>
+    <Reference Include="SQLitePCLRaw.core, Version=1.0.0.0, Culture=neutral, PublicKeyToken=1488e028ca7ab535, processorArchitecture=MSIL">
+      <HintPath>$(SolutionDir)\packages\SQLitePCLRaw.core.1.1.8\lib\net45\SQLitePCLRaw.core.dll</HintPath>
+    </Reference>
+    <Reference Include="SQLitePCLRaw.provider.e_sqlite3, Version=1.0.0.0, Culture=neutral, PublicKeyToken=9c301db686d0bd12, processorArchitecture=MSIL">
+      <HintPath>$(SolutionDir)\packages\SQLitePCLRaw.provider.e_sqlite3.net45.1.1.8\lib\net45\SQLitePCLRaw.provider.e_sqlite3.dll</HintPath>
+    </Reference>
+    <Reference Include="Squirrel, Version=1.7.8.0, Culture=neutral, processorArchitecture=MSIL">
+      <HintPath>$(SolutionDir)\packages\squirrel.windows.1.7.8\lib\Net45\Squirrel.dll</HintPath>
       <Private>True</Private>
     </Reference>
     <Reference Include="System" />
     <Reference Include="System.Drawing" />
     <Reference Include="System.Net.Http" />
-    <Reference Include="System.Net.Http.Extensions, Version=2.2.29.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a, processorArchitecture=MSIL">
-      <HintPath>$(SolutionDir)\packages\Microsoft.Net.Http.2.2.29\lib\net45\System.Net.Http.Extensions.dll</HintPath>
+    <Reference Include="System.ValueTuple, Version=4.0.2.0, Culture=neutral, PublicKeyToken=cc7b13ffcd2ddd51">
+      <HintPath>$(SolutionDir)\packages\System.ValueTuple.4.4.0\lib\net461\System.ValueTuple.dll</HintPath>
       <Private>True</Private>
     </Reference>
-    <Reference Include="System.Net.Http.Primitives, Version=4.2.29.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a, processorArchitecture=MSIL">
-      <HintPath>$(SolutionDir)\packages\Microsoft.Net.Http.2.2.29\lib\net45\System.Net.Http.Primitives.dll</HintPath>
-      <Private>True</Private>
-    </Reference>
-    <Reference Include="System.Net.Http.WebRequest" />
     <Reference Include="System.Windows.Forms" />
   </ItemGroup>
   <ItemGroup>
-    <None Include="..\osu.licenseheader">
-      <Link>osu.licenseheader</Link>
-    </None>
+    <None Include="app.config" />
     <None Include="OpenTK.dll.config" />
     <None Include="osu!.res" />
     <None Include="packages.config" />
@@ -206,14 +207,16 @@
     </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>
+    <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>
+  <ItemGroup>
     <ProjectReference Include="..\osu-framework\osu.Framework\osu.Framework.csproj">
       <Project>{c76bf5b3-985e-4d39-95fe-97c9c879b83a}</Project>
       <Name>osu.Framework</Name>
@@ -222,14 +225,6 @@
       <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>
@@ -238,25 +233,23 @@
       <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.Tests\osu.Game.Tests.csproj">
+      <Project>{54377672-20b1-40af-8087-5cf73bf3953a}</Project>
+      <Name>osu.Game.Tests</Name>
+    </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>
     </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="$(MSBuildBinPath)\Microsoft.CSharp.targets" />
   <!-- To modify your build process, add your task inside one of the targets below and uncomment it.
        Other similar extension points exist, see Microsoft.Common.targets.
@@ -277,4 +270,15 @@
     <PostBuildEvent>
     </PostBuildEvent>
   </PropertyGroup>
+  <Import Project="$(SolutionDir)\packages\SQLitePCLRaw.lib.e_sqlite3.linux.1.1.8\build\net35\SQLitePCLRaw.lib.e_sqlite3.linux.targets" Condition="Exists('$(SolutionDir)\packages\SQLitePCLRaw.lib.e_sqlite3.linux.1.1.8\build\net35\SQLitePCLRaw.lib.e_sqlite3.linux.targets')" />
+  <Target Name="EnsureNuGetPackageBuildImports" BeforeTargets="PrepareForBuild">
+    <PropertyGroup>
+      <ErrorText>This project references NuGet package(s) that are missing on this computer. Use NuGet Package Restore to download them.  For more information, see http://go.microsoft.com/fwlink/?LinkID=322105. The missing file is {0}.</ErrorText>
+    </PropertyGroup>
+    <Error Condition="!Exists('$(SolutionDir)\packages\SQLitePCLRaw.lib.e_sqlite3.linux.1.1.8\build\net35\SQLitePCLRaw.lib.e_sqlite3.linux.targets')" Text="$([System.String]::Format('$(ErrorText)', '$(SolutionDir)\packages\SQLitePCLRaw.lib.e_sqlite3.linux.1.1.8\build\net35\SQLitePCLRaw.lib.e_sqlite3.linux.targets'))" />
+    <Error Condition="!Exists('$(SolutionDir)\packages\SQLitePCLRaw.lib.e_sqlite3.osx.1.1.8\build\net35\SQLitePCLRaw.lib.e_sqlite3.osx.targets')" Text="$([System.String]::Format('$(ErrorText)', '$(SolutionDir)\packages\SQLitePCLRaw.lib.e_sqlite3.osx.1.1.8\build\net35\SQLitePCLRaw.lib.e_sqlite3.osx.targets'))" />
+    <Error Condition="!Exists('$(SolutionDir)\packages\SQLitePCLRaw.lib.e_sqlite3.v110_xp.1.1.8\build\net35\SQLitePCLRaw.lib.e_sqlite3.v110_xp.targets')" Text="$([System.String]::Format('$(ErrorText)', '$(SolutionDir)\packages\SQLitePCLRaw.lib.e_sqlite3.v110_xp.1.1.8\build\net35\SQLitePCLRaw.lib.e_sqlite3.v110_xp.targets'))" />
+  </Target>
+  <Import Project="$(SolutionDir)\packages\SQLitePCLRaw.lib.e_sqlite3.osx.1.1.8\build\net35\SQLitePCLRaw.lib.e_sqlite3.osx.targets" Condition="Exists('$(SolutionDir)\packages\SQLitePCLRaw.lib.e_sqlite3.osx.1.1.8\build\net35\SQLitePCLRaw.lib.e_sqlite3.osx.targets')" />
+  <Import Project="$(SolutionDir)\packages\SQLitePCLRaw.lib.e_sqlite3.v110_xp.1.1.8\build\net35\SQLitePCLRaw.lib.e_sqlite3.v110_xp.targets" Condition="Exists('$(SolutionDir)\packages\SQLitePCLRaw.lib.e_sqlite3.v110_xp.1.1.8\build\net35\SQLitePCLRaw.lib.e_sqlite3.v110_xp.targets')" />
 </Project>

osu.Desktop/packages.config

@@ -1,14 +1,20 @@
 <?xml version="1.0" encoding="utf-8"?>
 <!--
-Copyright (c) 2007-2017 ppy Pty Ltd <contact@ppy.sh>.
+Copyright (c) 2007-2018 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="ppy.OpenTK" version="3.0" targetFramework="net45" />
-  <package id="SharpCompress" version="0.17.1" targetFramework="net45" />
+  <package id="ppy.OpenTK" version="3.0.11" 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="1.7.5" targetFramework="net45" />
+  <package id="SQLitePCLRaw.bundle_green" version="1.1.8" targetFramework="net461" />
+  <package id="SQLitePCLRaw.core" version="1.1.8" targetFramework="net461" />
+  <package id="SQLitePCLRaw.lib.e_sqlite3.linux" version="1.1.8" targetFramework="net461" />
+  <package id="SQLitePCLRaw.lib.e_sqlite3.osx" version="1.1.8" targetFramework="net461" />
+  <package id="SQLitePCLRaw.lib.e_sqlite3.v110_xp" version="1.1.8" targetFramework="net461" />
+  <package id="SQLitePCLRaw.provider.e_sqlite3.net45" version="1.1.8" targetFramework="net461" />
+  <package id="squirrel.windows" version="1.7.8" targetFramework="net461" />
+  <package id="System.ValueTuple" version="4.4.0" targetFramework="net461" />
 </packages>

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

@@ -1,30 +1,67 @@
-// Copyright (c) 2007-2017 ppy Pty Ltd <contact@ppy.sh>.
+// Copyright (c) 2007-2018 ppy Pty Ltd <contact@ppy.sh>.
 // Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
 
 using osu.Game.Beatmaps;
 using osu.Game.Rulesets.Catch.Objects;
 using System.Collections.Generic;
 using System;
+using osu.Game.Rulesets.Catch.UI;
 using osu.Game.Rulesets.Objects.Types;
-using osu.Game.Rulesets.Beatmaps;
 using osu.Game.Rulesets.Objects;
-using osu.Game.Rulesets.Osu.UI;
 
 namespace osu.Game.Rulesets.Catch.Beatmaps
 {
-    internal class CatchBeatmapConverter : BeatmapConverter<CatchBaseHit>
+    public class CatchBeatmapConverter : BeatmapConverter<CatchHitObject>
     {
         protected override IEnumerable<Type> ValidConversionTypes { get; } = new[] { typeof(IHasXPosition) };
 
-        protected override IEnumerable<CatchBaseHit> ConvertHitObject(HitObject obj, Beatmap beatmap)
+        protected override IEnumerable<CatchHitObject> ConvertHitObject(HitObject obj, Beatmap beatmap)
         {
-            if (!(obj is IHasXPosition))
+            var curveData = obj as IHasCurve;
+            var positionData = obj as IHasXPosition;
+            var comboData = obj as IHasCombo;
+            var endTime = obj as IHasEndTime;
+
+            if (positionData == null)
                 yield break;
 
+            if (curveData != null)
+            {
+                yield return new JuiceStream
+                {
+                    StartTime = obj.StartTime,
+                    Samples = obj.Samples,
+                    ControlPoints = curveData.ControlPoints,
+                    CurveType = curveData.CurveType,
+                    Distance = curveData.Distance,
+                    RepeatSamples = curveData.RepeatSamples,
+                    RepeatCount = curveData.RepeatCount,
+                    X = positionData.X / CatchPlayfield.BASE_WIDTH,
+                    NewCombo = comboData?.NewCombo ?? false
+                };
+
+                yield break;
+            }
+
+            if (endTime != null)
+            {
+                yield return new BananaShower
+                {
+                    StartTime = obj.StartTime,
+                    Samples = obj.Samples,
+                    Duration = endTime.Duration,
+                    NewCombo = comboData?.NewCombo ?? false
+                };
+
+                yield break;
+            }
+
             yield return new Fruit
             {
                 StartTime = obj.StartTime,
-                Position = ((IHasXPosition)obj).X / OsuPlayfield.BASE_SIZE.X
+                Samples = obj.Samples,
+                NewCombo = comboData?.NewCombo ?? false,
+                X = positionData.X / CatchPlayfield.BASE_WIDTH
             };
         }
     }

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

@@ -0,0 +1,88 @@
+// Copyright (c) 2007-2018 ppy Pty Ltd <contact@ppy.sh>.
+// Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
+
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using osu.Game.Beatmaps;
+using osu.Game.Rulesets.Catch.Objects;
+using osu.Game.Rulesets.Catch.UI;
+using osu.Game.Rulesets.Objects.Types;
+using OpenTK;
+
+namespace osu.Game.Rulesets.Catch.Beatmaps
+{
+    public class CatchBeatmapProcessor : BeatmapProcessor<CatchHitObject>
+    {
+        public override void PostProcess(Beatmap<CatchHitObject> beatmap)
+        {
+            if (beatmap.ComboColors.Count == 0)
+                return;
+
+            int index = 0;
+            int colourIndex = 0;
+
+            CatchHitObject lastObj = null;
+
+            initialiseHyperDash(beatmap.HitObjects);
+
+            foreach (var obj in beatmap.HitObjects)
+            {
+                if (obj.NewCombo)
+                {
+                    if (lastObj != null) lastObj.LastInCombo = true;
+                    colourIndex = (colourIndex + 1) % beatmap.ComboColors.Count;
+                }
+
+                obj.IndexInBeatmap = index++;
+                obj.ComboColour = beatmap.ComboColors[colourIndex];
+
+                lastObj = obj;
+            }
+        }
+
+        private void initialiseHyperDash(List<CatchHitObject> objects)
+        {
+            // todo: add difficulty adjust.
+            double halfCatcherWidth = CatcherArea.CATCHER_SIZE * (objects.FirstOrDefault()?.Scale ?? 1) / CatchPlayfield.BASE_WIDTH / 2;
+
+            int lastDirection = 0;
+            double lastExcess = halfCatcherWidth;
+
+            int objCount = objects.Count;
+
+            for (int i = 0; i < objCount - 1; i++)
+            {
+                CatchHitObject currentObject = objects[i];
+
+                // not needed?
+                // if (currentObject is TinyDroplet) continue;
+
+                CatchHitObject nextObject = objects[i + 1];
+
+                // while (nextObject is TinyDroplet)
+                // {
+                //     if (++i == objCount - 1) break;
+                //     nextObject = objects[i + 1];
+                // }
+
+                int thisDirection = nextObject.X > currentObject.X ? 1 : -1;
+                double timeToNext = nextObject.StartTime - ((currentObject as IHasEndTime)?.EndTime ?? currentObject.StartTime) - 4;
+                double distanceToNext = Math.Abs(nextObject.X - currentObject.X) - (lastDirection == thisDirection ? lastExcess : halfCatcherWidth);
+
+                if (timeToNext * CatcherArea.Catcher.BASE_SPEED < distanceToNext)
+                {
+                    currentObject.HyperDashTarget = nextObject;
+                    lastExcess = halfCatcherWidth;
+                }
+                else
+                {
+                    //currentObject.DistanceToHyperDash = timeToNext - distanceToNext;
+                    lastExcess = MathHelper.Clamp(timeToNext - distanceToNext, 0, halfCatcherWidth);
+                }
+
+                lastDirection = thisDirection;
+            }
+        }
+    }
+}

osu.Game.Rulesets.Catch/CatchDifficultyCalculator.cs

@@ -1,25 +1,21 @@
-// Copyright (c) 2007-2017 ppy Pty Ltd <contact@ppy.sh>.
+// Copyright (c) 2007-2018 ppy Pty Ltd <contact@ppy.sh>.
 // Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
 
 using osu.Game.Beatmaps;
-using osu.Game.Rulesets.Beatmaps;
 using osu.Game.Rulesets.Catch.Beatmaps;
 using osu.Game.Rulesets.Catch.Objects;
 using System.Collections.Generic;
 
 namespace osu.Game.Rulesets.Catch
 {
-    public class CatchDifficultyCalculator : DifficultyCalculator<CatchBaseHit>
+    public class CatchDifficultyCalculator : DifficultyCalculator<CatchHitObject>
     {
         public CatchDifficultyCalculator(Beatmap beatmap) : base(beatmap)
         {
         }
 
-        protected override double CalculateInternal(Dictionary<string, string> categoryDifficulty)
-        {
-            return 0;
-        }
+        public override double Calculate(Dictionary<string, double> categoryDifficulty = null) => 0;
 
-        protected override BeatmapConverter<CatchBaseHit> CreateBeatmapConverter() => new CatchBeatmapConverter();
+        protected override BeatmapConverter<CatchHitObject> CreateBeatmapConverter(Beatmap beatmap) => new CatchBeatmapConverter();
     }
-}
+}

osu.Game.Rulesets.Catch/CatchInputManager.cs

@@ -1,4 +1,4 @@
-// Copyright (c) 2007-2017 ppy Pty Ltd <contact@ppy.sh>.
+// Copyright (c) 2007-2018 ppy Pty Ltd <contact@ppy.sh>.
 // Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
 
 using System.ComponentModel;
@@ -22,6 +22,7 @@ namespace osu.Game.Rulesets.Catch
         [Description("Move right")]
         MoveRight,
         [Description("Engage dash")]
-        Dash
+        Dash,
+        PositionUpdate
     }
 }

osu.Game.Rulesets.Catch/CatchRuleset.cs

@@ -1,4 +1,4 @@
-// Copyright (c) 2007-2017 ppy Pty Ltd <contact@ppy.sh>.
+// Copyright (c) 2007-2018 ppy Pty Ltd <contact@ppy.sh>.
 // Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
 
 using osu.Game.Beatmaps;
@@ -9,8 +9,6 @@ using osu.Game.Rulesets.Mods;
 using osu.Game.Rulesets.UI;
 using System.Collections.Generic;
 using osu.Framework.Graphics;
-using osu.Game.Rulesets.Catch.Scoring;
-using osu.Game.Rulesets.Scoring;
 using osu.Framework.Input.Bindings;
 
 namespace osu.Game.Rulesets.Catch
@@ -82,7 +80,7 @@ namespace osu.Game.Rulesets.Catch
                         {
                             Mods = new Mod[]
                             {
-                                new ModAutoplay(),
+                                new CatchModAutoplay(),
                                 new ModCinema(),
                             },
                         },
@@ -93,19 +91,17 @@ namespace osu.Game.Rulesets.Catch
             }
         }
 
-        public override Mod GetAutoplayMod() => new ModAutoplay();
-
         public override string Description => "osu!catch";
 
+        public override string ShortName => "fruits";
+
         public override Drawable CreateIcon() => new SpriteIcon { Icon = FontAwesome.fa_osu_fruits_o };
 
-        public override DifficultyCalculator CreateDifficultyCalculator(Beatmap beatmap) => new CatchDifficultyCalculator(beatmap);
-
-        public override ScoreProcessor CreateScoreProcessor() => new CatchScoreProcessor();
+        public override DifficultyCalculator CreateDifficultyCalculator(Beatmap beatmap, Mod[] mods = null) => new CatchDifficultyCalculator(beatmap);
 
         public override int LegacyID => 2;
 
-        public CatchRuleset(RulesetInfo rulesetInfo)
+        public CatchRuleset(RulesetInfo rulesetInfo = null)
             : base(rulesetInfo)
         {
         }

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

@@ -1,4 +1,4 @@
-// Copyright (c) 2007-2017 ppy Pty Ltd <contact@ppy.sh>.
+// Copyright (c) 2007-2018 ppy Pty Ltd <contact@ppy.sh>.
 // Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
 
 using osu.Game.Rulesets.Judgements;
@@ -7,8 +7,6 @@ namespace osu.Game.Rulesets.Catch.Judgements
 {
     public class CatchJudgement : Judgement
     {
-        public override string ResultString => string.Empty;
-
-        public override string MaxResultString => string.Empty;
+        // todo: wangs
     }
 }

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

@@ -1,69 +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.Game.Rulesets.Mods;
-
-namespace osu.Game.Rulesets.Catch.Mods
-{
-    public class CatchModNoFail : ModNoFail
-    {
-
-    }
-
-    public class CatchModEasy : ModEasy
-    {
-
-    }
-
-    public class CatchModHidden : ModHidden
-    {
-        public override string Description => @"Play with no approach circles and fading notes for a slight score advantage.";
-        public override double ScoreMultiplier => 1.06;
-    }
-
-    public class CatchModHardRock : ModHardRock
-    {
-        public override double ScoreMultiplier => 1.12;
-        public override bool Ranked => true;
-    }
-
-    public class CatchModSuddenDeath : ModSuddenDeath
-    {
-
-    }
-
-    public class CatchModDaycore : ModDaycore
-    {
-        public override double ScoreMultiplier => 0.5;
-    }
-
-    public class CatchModDoubleTime : ModDoubleTime
-    {
-        public override double ScoreMultiplier => 1.06;
-    }
-
-    public class CatchModRelax : ModRelax
-    {
-        public override string Description => @"Use the mouse to control the catcher.";
-    }
-
-    public class CatchModHalfTime : ModHalfTime
-    {
-        public override double ScoreMultiplier => 0.5;
-    }
-
-    public class CatchModNightcore : ModNightcore
-    {
-        public override double ScoreMultiplier => 1.06;
-    }
-
-    public class CatchModFlashlight : ModFlashlight
-    {
-        public override double ScoreMultiplier => 1.12;
-    }
-
-    public class CatchModPerfect : ModPerfect
-    {
-
-    }
-}

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

@@ -0,0 +1,24 @@
+// Copyright (c) 2007-2018 ppy Pty Ltd <contact@ppy.sh>.
+// Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
+
+using osu.Game.Beatmaps;
+using osu.Game.Rulesets.Catch.Objects;
+using osu.Game.Rulesets.Catch.Replays;
+using osu.Game.Rulesets.Mods;
+using osu.Game.Rulesets.Scoring;
+using osu.Game.Users;
+
+namespace osu.Game.Rulesets.Catch.Mods
+{
+    public class CatchModAutoplay : ModAutoplay<CatchHitObject>
+    {
+        protected override Score CreateReplayScore(Beatmap<CatchHitObject> beatmap)
+        {
+            return new Score
+            {
+                User = new User { Username = "osu!salad!" },
+                Replay = new CatchAutoGenerator(beatmap).Generate(),
+            };
+        }
+    }
+}

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

@@ -0,0 +1,12 @@
+// Copyright (c) 2007-2018 ppy Pty Ltd <contact@ppy.sh>.
+// Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
+
+using osu.Game.Rulesets.Mods;
+
+namespace osu.Game.Rulesets.Catch.Mods
+{
+    public class CatchModDaycore : ModDaycore
+    {
+        public override double ScoreMultiplier => 0.5;
+    }
+}

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

@@ -0,0 +1,12 @@
+// Copyright (c) 2007-2018 ppy Pty Ltd <contact@ppy.sh>.
+// Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
+
+using osu.Game.Rulesets.Mods;
+
+namespace osu.Game.Rulesets.Catch.Mods
+{
+    public class CatchModDoubleTime : ModDoubleTime
+    {
+        public override double ScoreMultiplier => 1.06;
+    }
+}

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

@@ -0,0 +1,11 @@
+// Copyright (c) 2007-2018 ppy Pty Ltd <contact@ppy.sh>.
+// Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
+
+using osu.Game.Rulesets.Mods;
+
+namespace osu.Game.Rulesets.Catch.Mods
+{
+    public class CatchModEasy : ModEasy
+    {
+    }
+}

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

@@ -0,0 +1,12 @@
+// Copyright (c) 2007-2018 ppy Pty Ltd <contact@ppy.sh>.
+// Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
+
+using osu.Game.Rulesets.Mods;
+
+namespace osu.Game.Rulesets.Catch.Mods
+{
+    public class CatchModFlashlight : ModFlashlight
+    {
+        public override double ScoreMultiplier => 1.12;
+    }
+}

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

@@ -0,0 +1,12 @@
+// Copyright (c) 2007-2018 ppy Pty Ltd <contact@ppy.sh>.
+// Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
+
+using osu.Game.Rulesets.Mods;
+
+namespace osu.Game.Rulesets.Catch.Mods
+{
+    public class CatchModHalfTime : ModHalfTime
+    {
+        public override double ScoreMultiplier => 0.5;
+    }
+}

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

@@ -0,0 +1,13 @@
+// Copyright (c) 2007-2018 ppy Pty Ltd <contact@ppy.sh>.
+// Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
+
+using osu.Game.Rulesets.Mods;
+
+namespace osu.Game.Rulesets.Catch.Mods
+{
+    public class CatchModHardRock : ModHardRock
+    {
+        public override double ScoreMultiplier => 1.12;
+        public override bool Ranked => true;
+    }
+}

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

@@ -0,0 +1,13 @@
+// Copyright (c) 2007-2018 ppy Pty Ltd <contact@ppy.sh>.
+// Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
+
+using osu.Game.Rulesets.Mods;
+
+namespace osu.Game.Rulesets.Catch.Mods
+{
+    public class CatchModHidden : ModHidden
+    {
+        public override string Description => @"Play with fading notes for a slight score advantage.";
+        public override double ScoreMultiplier => 1.06;
+    }
+}

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

@@ -0,0 +1,12 @@
+// Copyright (c) 2007-2018 ppy Pty Ltd <contact@ppy.sh>.
+// Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
+
+using osu.Game.Rulesets.Mods;
+
+namespace osu.Game.Rulesets.Catch.Mods
+{
+    public class CatchModNightcore : ModNightcore
+    {
+        public override double ScoreMultiplier => 1.06;
+    }
+}

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

@@ -0,0 +1,11 @@
+// Copyright (c) 2007-2018 ppy Pty Ltd <contact@ppy.sh>.
+// Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
+
+using osu.Game.Rulesets.Mods;
+
+namespace osu.Game.Rulesets.Catch.Mods
+{
+    public class CatchModNoFail : ModNoFail
+    {
+    }
+}

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

@@ -0,0 +1,11 @@
+// Copyright (c) 2007-2018 ppy Pty Ltd <contact@ppy.sh>.
+// Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
+
+using osu.Game.Rulesets.Mods;
+
+namespace osu.Game.Rulesets.Catch.Mods
+{
+    public class CatchModPerfect : ModPerfect
+    {
+    }
+}

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

@@ -0,0 +1,12 @@
+// Copyright (c) 2007-2018 ppy Pty Ltd <contact@ppy.sh>.
+// Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
+
+using osu.Game.Rulesets.Mods;
+
+namespace osu.Game.Rulesets.Catch.Mods
+{
+    public class CatchModRelax : ModRelax
+    {
+        public override string Description => @"Use the mouse to control the catcher.";
+    }
+}

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

@@ -0,0 +1,11 @@
+// Copyright (c) 2007-2018 ppy Pty Ltd <contact@ppy.sh>.
+// Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
+
+using osu.Game.Rulesets.Mods;
+
+namespace osu.Game.Rulesets.Catch.Mods
+{
+    public class CatchModSuddenDeath : ModSuddenDeath
+    {
+    }
+}

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

@@ -0,0 +1,63 @@
+// Copyright (c) 2007-2018 ppy Pty Ltd <contact@ppy.sh>.
+// Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
+
+using osu.Framework.MathUtils;
+using osu.Game.Rulesets.Objects.Types;
+using OpenTK.Graphics;
+
+namespace osu.Game.Rulesets.Catch.Objects
+{
+    public class BananaShower : CatchHitObject, IHasEndTime
+    {
+        public override FruitVisualRepresentation VisualRepresentation => FruitVisualRepresentation.Banana;
+
+        public override bool LastInCombo => true;
+
+        protected override void CreateNestedHitObjects()
+        {
+            base.CreateNestedHitObjects();
+            createBananas();
+        }
+
+        private void createBananas()
+        {
+            double spacing = Duration;
+            while (spacing > 100)
+                spacing /= 2;
+
+            if (spacing <= 0)
+                return;
+
+            for (double i = StartTime; i <= EndTime; i += spacing)
+                AddNested(new Banana
+                {
+                    Samples = Samples,
+                    ComboColour = getNextComboColour(),
+                    StartTime = i,
+                    X = RNG.NextSingle()
+                });
+        }
+
+        private Color4 getNextComboColour()
+        {
+            switch (RNG.Next(0, 3))
+            {
+                default:
+                    return new Color4(255, 240, 0, 255);
+                case 1:
+                    return new Color4(255, 192, 0, 255);
+                case 2:
+                    return new Color4(214, 221, 28, 255);
+            }
+        }
+
+        public double EndTime => StartTime + Duration;
+
+        public double Duration { get; set; }
+
+        public class Banana : Fruit
+        {
+            public override FruitVisualRepresentation VisualRepresentation => FruitVisualRepresentation.Banana;
+        }
+    }
+}

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

@@ -1,12 +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.Game.Rulesets.Objects;
-
-namespace osu.Game.Rulesets.Catch.Objects
-{
-    public abstract class CatchBaseHit : HitObject
-    {
-        public float Position { get; set; }
-    }
-}

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

@@ -0,0 +1,59 @@
+// Copyright (c) 2007-2018 ppy Pty Ltd <contact@ppy.sh>.
+// Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
+
+using osu.Game.Beatmaps;
+using osu.Game.Beatmaps.ControlPoints;
+using osu.Game.Rulesets.Objects;
+using osu.Game.Rulesets.Objects.Types;
+using OpenTK.Graphics;
+
+namespace osu.Game.Rulesets.Catch.Objects
+{
+    public abstract class CatchHitObject : HitObject, IHasXPosition, IHasCombo
+    {
+        public const double OBJECT_RADIUS = 44;
+
+        public float X { get; set; }
+
+        public Color4 ComboColour { get; set; }
+
+        public int IndexInBeatmap { get; set; }
+
+        public virtual FruitVisualRepresentation VisualRepresentation => (FruitVisualRepresentation)(IndexInBeatmap % 4);
+
+        public virtual bool NewCombo { get; set; }
+
+        /// <summary>
+        /// The next fruit starts a new combo. Used for explodey.
+        /// </summary>
+        public virtual bool LastInCombo { get; set; }
+
+        public float Scale { get; set; } = 1;
+
+        /// <summary>
+        /// Whether this fruit can initiate a hyperdash.
+        /// </summary>
+        public bool HyperDash => HyperDashTarget != null;
+
+        /// <summary>
+        /// The target fruit if we are to initiate a hyperdash.
+        /// </summary>
+        public CatchHitObject HyperDashTarget;
+
+        protected override void ApplyDefaultsToSelf(ControlPointInfo controlPointInfo, BeatmapDifficulty difficulty)
+        {
+            base.ApplyDefaultsToSelf(controlPointInfo, difficulty);
+
+            Scale = 1.0f - 0.7f * (difficulty.CircleSize - 5) / 5;
+        }
+    }
+
+    public enum FruitVisualRepresentation
+    {
+        Pear,
+        Grape,
+        Raspberry,
+        Pineapple,
+        Banana // banananananannaanana
+    }
+}

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

@@ -0,0 +1,44 @@
+// Copyright (c) 2007-2018 ppy Pty Ltd <contact@ppy.sh>.
+// Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
+
+using System;
+using System.Linq;
+using osu.Framework.Graphics;
+using osu.Framework.Graphics.Containers;
+using osu.Game.Rulesets.Judgements;
+using osu.Game.Rulesets.Objects.Drawables;
+using osu.Game.Rulesets.Scoring;
+
+namespace osu.Game.Rulesets.Catch.Objects.Drawable
+{
+    public class DrawableBananaShower : DrawableCatchHitObject<BananaShower>
+    {
+        private readonly Container bananaContainer;
+
+        public DrawableBananaShower(BananaShower s, Func<CatchHitObject, DrawableHitObject<CatchHitObject>> getVisualRepresentation = null)
+            : base(s)
+        {
+            RelativeSizeAxes = Axes.X;
+            Origin = Anchor.BottomLeft;
+            X = 0;
+
+            Child = bananaContainer = new Container { RelativeSizeAxes = Axes.Both };
+
+            foreach (var b in s.NestedHitObjects.Cast<BananaShower.Banana>())
+                AddNested(getVisualRepresentation?.Invoke(b));
+        }
+
+        protected override void CheckForJudgements(bool userTriggered, double timeOffset)
+        {
+            if (timeOffset >= 0)
+                AddJudgement(new Judgement { Result = NestedHitObjects.Cast<DrawableCatchHitObject>().Any(n => n.Judgements.Any(j => j.IsHit)) ? HitResult.Perfect : HitResult.Miss });
+        }
+
+        protected override void AddNested(DrawableHitObject h)
+        {
+            ((DrawableCatchHitObject)h).CheckPosition = o => CheckPosition?.Invoke(o) ?? false;
+            bananaContainer.Add(h);
+            base.AddNested(h);
+        }
+    }
+}

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

@@ -0,0 +1,83 @@
+// Copyright (c) 2007-2018 ppy Pty Ltd <contact@ppy.sh>.
+// Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
+
+using System;
+using osu.Framework.Graphics;
+using osu.Game.Rulesets.Judgements;
+using osu.Game.Rulesets.Objects.Drawables;
+using osu.Game.Rulesets.Objects.Types;
+using OpenTK;
+using osu.Game.Rulesets.Scoring;
+
+namespace osu.Game.Rulesets.Catch.Objects.Drawable
+{
+    public abstract class PalpableCatchHitObject<TObject> : DrawableCatchHitObject<TObject>
+        where TObject : CatchHitObject
+    {
+        public override bool CanBePlated => true;
+
+        protected PalpableCatchHitObject(TObject hitObject)
+            : base(hitObject)
+        {
+            Scale = new Vector2(HitObject.Scale);
+        }
+    }
+
+    public abstract class DrawableCatchHitObject<TObject> : DrawableCatchHitObject
+        where TObject : CatchHitObject
+    {
+        public new TObject HitObject;
+
+        protected DrawableCatchHitObject(TObject hitObject)
+            : base(hitObject)
+        {
+            HitObject = hitObject;
+            Anchor = Anchor.BottomLeft;
+        }
+    }
+
+    public abstract class DrawableCatchHitObject : DrawableHitObject<CatchHitObject>
+    {
+        public virtual bool CanBePlated => false;
+
+        protected DrawableCatchHitObject(CatchHitObject hitObject)
+            : base(hitObject)
+        {
+            RelativePositionAxes = Axes.X;
+            X = hitObject.X;
+        }
+
+        public Func<CatchHitObject, bool> CheckPosition;
+
+        protected override void CheckForJudgements(bool userTriggered, double timeOffset)
+        {
+            if (CheckPosition == null) return;
+
+            if (timeOffset > 0)
+                AddJudgement(new Judgement { Result = CheckPosition.Invoke(HitObject) ? HitResult.Perfect : HitResult.Miss });
+        }
+
+        private const float preempt = 1000;
+
+        protected override void UpdateState(ArmedState state)
+        {
+            using (BeginAbsoluteSequence(HitObject.StartTime - preempt))
+                this.FadeIn(200);
+
+            var endTime = (HitObject as IHasEndTime)?.EndTime ?? HitObject.StartTime;
+
+            using (BeginAbsoluteSequence(endTime, true))
+            {
+                switch (state)
+                {
+                    case ArmedState.Miss:
+                        this.FadeOut(250).RotateTo(Rotation * 2, 250, Easing.Out).Expire();
+                        break;
+                    case ArmedState.Hit:
+                        this.FadeOut().Expire();
+                        break;
+                }
+            }
+        }
+    }
+}

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

@@ -0,0 +1,32 @@
+// Copyright (c) 2007-2018 ppy Pty Ltd <contact@ppy.sh>.
+// Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
+
+using osu.Framework.Allocation;
+using osu.Framework.Graphics;
+using osu.Game.Rulesets.Catch.Objects.Drawable.Pieces;
+using OpenTK;
+
+namespace osu.Game.Rulesets.Catch.Objects.Drawable
+{
+    public class DrawableDroplet : PalpableCatchHitObject<Droplet>
+    {
+        public DrawableDroplet(Droplet h)
+            : base(h)
+        {
+            Origin = Anchor.Centre;
+            Size = new Vector2((float)CatchHitObject.OBJECT_RADIUS) / 4;
+            AccentColour = h.ComboColour;
+            Masking = false;
+        }
+
+        [BackgroundDependencyLoader]
+        private void load()
+        {
+            Child = new Pulp
+            {
+                AccentColour = AccentColour,
+                Size = Size
+            };
+        }
+    }
+}

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

@@ -1,4 +1,4 @@
-// Copyright (c) 2007-2017 ppy Pty Ltd <contact@ppy.sh>.
+// Copyright (c) 2007-2018 ppy Pty Ltd <contact@ppy.sh>.
 // Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
 
 using System;
@@ -8,121 +8,270 @@ using osu.Framework.Graphics;
 using osu.Framework.Graphics.Containers;
 using osu.Framework.Graphics.Shapes;
 using osu.Framework.MathUtils;
-using osu.Game.Graphics;
-using osu.Game.Rulesets.Catch.Judgements;
-using osu.Game.Rulesets.Objects.Drawables;
+using osu.Game.Rulesets.Catch.Objects.Drawable.Pieces;
 using OpenTK;
 using OpenTK.Graphics;
 
 namespace osu.Game.Rulesets.Catch.Objects.Drawable
 {
-    public class DrawableFruit : DrawableScrollingHitObject<CatchBaseHit, CatchJudgement>
+    public class DrawableFruit : PalpableCatchHitObject<Fruit>
     {
-        private const float pulp_size = 30;
+        private Circle border;
 
-        private class Pulp : Circle, IHasAccentColour
-        {
-            public Pulp()
-            {
-                Size = new Vector2(pulp_size);
-
-                EdgeEffect = new EdgeEffectParameters
-                {
-                    Type = EdgeEffectType.Glow,
-                    Radius = 5,
-                    Colour = AccentColour.Opacity(0.5f),
-                };
-            }
-
-            public Color4 AccentColour { get; set; } = Color4.White;
-        }
-
-
-        public DrawableFruit(CatchBaseHit h)
+        public DrawableFruit(Fruit h)
             : base(h)
         {
             Origin = Anchor.Centre;
-            Size = new Vector2(pulp_size * 2, pulp_size * 2.6f);
 
-            RelativePositionAxes = Axes.Both;
-            X = h.Position;
-
-            Colour = new Color4(RNG.NextSingle(), RNG.NextSingle(), RNG.NextSingle(), 1);
+            Size = new Vector2((float)CatchHitObject.OBJECT_RADIUS);
+            AccentColour = HitObject.ComboColour;
+            Masking = false;
 
             Rotation = (float)(RNG.NextDouble() - 0.5f) * 40;
         }
 
-        public Func<CatchBaseHit, bool> CheckPosition;
-
         [BackgroundDependencyLoader]
         private void load()
         {
-            Children = new Framework.Graphics.Drawable[]
+            Children = new[]
             {
-                //todo: share this more
-                new BufferedContainer
+                createPulp(HitObject.VisualRepresentation),
+                border = new Circle
                 {
-                    RelativeSizeAxes = Axes.Both,
-                    CacheDrawnFrameBuffer = true,
+                    EdgeEffect = new EdgeEffectParameters
+                    {
+                        Hollow = !HitObject.HyperDash,
+                        Type = EdgeEffectType.Glow,
+                        Radius = 4,
+                        Colour = HitObject.HyperDash ? Color4.Red : AccentColour.Darken(1).Opacity(0.6f)
+                    },
+                    Size = new Vector2(Height * 1.5f),
+                    Anchor = Anchor.Centre,
+                    Origin = Anchor.Centre,
+                    BorderColour = Color4.White,
+                    BorderThickness = 4f,
                     Children = new Framework.Graphics.Drawable[]
                     {
-                        new Pulp
+                        new Box
                         {
-                            RelativePositionAxes = Axes.Both,
-                            Anchor = Anchor.TopCentre,
-                            Origin = Anchor.TopCentre,
-                            Scale = new Vector2(0.6f),
-                        },
-                        new Pulp
-                        {
-                            RelativePositionAxes = Axes.Both,
-                            Anchor = Anchor.CentreLeft,
-                            Origin = Anchor.CentreLeft,
-                            Y = -0.08f
-                        },
-                        new Pulp
-                        {
-                            RelativePositionAxes = Axes.Both,
-                            Anchor = Anchor.CentreRight,
-                            Origin = Anchor.CentreRight,
-                            Y = -0.08f
-                        },
-                        new Pulp
-                        {
-                            RelativePositionAxes = Axes.Both,
-                            Anchor = Anchor.BottomCentre,
-                            Origin = Anchor.BottomCentre,
-                        },
+                            AlwaysPresent = true,
+                            Colour = AccentColour,
+                            Alpha = 0,
+                            RelativeSizeAxes = Axes.Both
+                        }
                     }
-                }
+                },
             };
+
+            if (HitObject.HyperDash)
+            {
+                Add(new Pulp
+                {
+                    RelativePositionAxes = Axes.Both,
+                    Anchor = Anchor.Centre,
+                    Origin = Anchor.Centre,
+                    AccentColour = Color4.Red,
+                    Blending = BlendingMode.Additive,
+                    Alpha = 0.5f,
+                    Scale = new Vector2(1.333f)
+                });
+            }
         }
 
-        protected override CatchJudgement CreateJudgement() => new CatchJudgement();
-
-        private const float preempt = 1000;
-
-        protected override void CheckJudgement(bool userTriggered)
+        private Framework.Graphics.Drawable createPulp(FruitVisualRepresentation representation)
         {
-            if (Judgement.TimeOffset > 0)
-                Judgement.Result = CheckPosition?.Invoke(HitObject) ?? false ? HitResult.Hit : HitResult.Miss;
+            const float large_pulp_3 = 13f;
+            const float distance_from_centre_3 = 0.23f;
+
+            const float large_pulp_4 = large_pulp_3 * 0.925f;
+            const float distance_from_centre_4 = distance_from_centre_3 / 0.925f;
+
+            const float small_pulp = large_pulp_3 / 2;
+
+            Vector2 positionAt(float angle, float distance) => new Vector2(
+                distance * (float)Math.Sin(angle * Math.PI / 180),
+                distance * (float)Math.Cos(angle * Math.PI / 180));
+
+            switch (representation)
+            {
+                default:
+                    return new Container();
+                case FruitVisualRepresentation.Raspberry:
+                    return new Container
+                    {
+                        RelativeSizeAxes = Axes.Both,
+                        Children = new Framework.Graphics.Drawable[]
+                        {
+                            new Pulp
+                            {
+                                Anchor = Anchor.TopCentre,
+                                Origin = Anchor.BottomCentre,
+                                AccentColour = AccentColour,
+                                Size = new Vector2(small_pulp),
+                                Y = 0.05f,
+                            },
+                            new Pulp
+                            {
+                                AccentColour = AccentColour,
+                                Size = new Vector2(large_pulp_4),
+                                Position = positionAt(0, distance_from_centre_4),
+                            },
+                            new Pulp
+                            {
+                                AccentColour = AccentColour,
+                                Size = new Vector2(large_pulp_4),
+                                Position = positionAt(90, distance_from_centre_4),
+                            },
+                            new Pulp
+                            {
+                                AccentColour = AccentColour,
+                                Size = new Vector2(large_pulp_4),
+                                Position = positionAt(180, distance_from_centre_4),
+                            },
+                            new Pulp
+                            {
+                                Size = new Vector2(large_pulp_4),
+                                AccentColour = AccentColour,
+                                Position = positionAt(270, distance_from_centre_4),
+                            },
+                        }
+                    };
+                case FruitVisualRepresentation.Pineapple:
+                    return new Container
+                    {
+                        RelativeSizeAxes = Axes.Both,
+                        Children = new Framework.Graphics.Drawable[]
+                        {
+                            new Pulp
+                            {
+                                Anchor = Anchor.TopCentre,
+                                Origin = Anchor.BottomCentre,
+                                AccentColour = AccentColour,
+                                Size = new Vector2(small_pulp),
+                                Y = 0.1f,
+                            },
+                            new Pulp
+                            {
+                                AccentColour = AccentColour,
+                                Size = new Vector2(large_pulp_4),
+                                Position = positionAt(45, distance_from_centre_4),
+                            },
+                            new Pulp
+                            {
+                                AccentColour = AccentColour,
+                                Size = new Vector2(large_pulp_4),
+                                Position = positionAt(135, distance_from_centre_4),
+                            },
+                            new Pulp
+                            {
+                                AccentColour = AccentColour,
+                                Size = new Vector2(large_pulp_4),
+                                Position = positionAt(225, distance_from_centre_4),
+                            },
+                            new Pulp
+                            {
+                                Size = new Vector2(large_pulp_4),
+                                AccentColour = AccentColour,
+                                Position = positionAt(315, distance_from_centre_4),
+                            },
+                        }
+                    };
+                case FruitVisualRepresentation.Pear:
+                    return new Container
+                    {
+                        RelativeSizeAxes = Axes.Both,
+                        Children = new Framework.Graphics.Drawable[]
+                        {
+                            new Pulp
+                            {
+                                Anchor = Anchor.TopCentre,
+                                Origin = Anchor.TopCentre,
+                                AccentColour = AccentColour,
+                                Size = new Vector2(small_pulp),
+                                Y = -0.1f,
+                            },
+                            new Pulp
+                            {
+                                AccentColour = AccentColour,
+                                Size = new Vector2(large_pulp_3),
+                                Position = positionAt(60, distance_from_centre_3),
+                            },
+                            new Pulp
+                            {
+                                AccentColour = AccentColour,
+                                Size = new Vector2(large_pulp_3),
+                                Position = positionAt(180, distance_from_centre_3),
+                            },
+                            new Pulp
+                            {
+                                Size = new Vector2(large_pulp_3),
+                                AccentColour = AccentColour,
+                                Position = positionAt(300, distance_from_centre_3),
+                            },
+                        }
+                    };
+                case FruitVisualRepresentation.Grape:
+                    return new Container
+                    {
+                        RelativeSizeAxes = Axes.Both,
+                        Children = new Framework.Graphics.Drawable[]
+                        {
+                            new Pulp
+                            {
+                                Anchor = Anchor.TopCentre,
+                                Origin = Anchor.TopCentre,
+                                AccentColour = AccentColour,
+                                Size = new Vector2(small_pulp),
+                            },
+                            new Pulp
+                            {
+                                AccentColour = AccentColour,
+                                Size = new Vector2(large_pulp_3),
+                                Position = positionAt(0, distance_from_centre_3),
+                            },
+                            new Pulp
+                            {
+                                AccentColour = AccentColour,
+                                Size = new Vector2(large_pulp_3),
+                                Position = positionAt(120, distance_from_centre_3),
+                            },
+                            new Pulp
+                            {
+                                Size = new Vector2(large_pulp_3),
+                                AccentColour = AccentColour,
+                                Position = positionAt(240, distance_from_centre_3),
+                            },
+                        }
+                    };
+                case FruitVisualRepresentation.Banana:
+                    return new Container
+                    {
+                        RelativeSizeAxes = Axes.Both,
+                        Children = new Framework.Graphics.Drawable[]
+                        {
+                            new Pulp
+                            {
+                                Anchor = Anchor.TopCentre,
+                                Origin = Anchor.TopCentre,
+                                AccentColour = AccentColour,
+                                Size = new Vector2(small_pulp),
+                                Y = -0.15f
+                            },
+                            new Pulp
+                            {
+                                AccentColour = AccentColour,
+                                Size = new Vector2(large_pulp_4 * 1.2f, large_pulp_4 * 3),
+                            },
+                        }
+                    };
+            }
         }
 
-        protected override void UpdateState(ArmedState state)
+        protected override void Update()
         {
-            using (BeginAbsoluteSequence(HitObject.StartTime - preempt))
-            {
-                // animation
-                this.FadeIn(200);
-            }
+            base.Update();
 
-            switch (state)
-            {
-                case ArmedState.Miss:
-                    using (BeginAbsoluteSequence(HitObject.StartTime, true))
-                        this.FadeOut(250).RotateTo(Rotation * 2, 250, Easing.Out);
-                    break;
-            }
+            border.Alpha = (float)MathHelper.Clamp((HitObject.StartTime - Time.Current) / 500, 0, 1);
         }
     }
 }

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

@@ -0,0 +1,40 @@
+// Copyright (c) 2007-2018 ppy Pty Ltd <contact@ppy.sh>.
+// Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
+
+using System;
+using System.Linq;
+using osu.Framework.Graphics;
+using osu.Framework.Graphics.Containers;
+using osu.Game.Rulesets.Objects.Drawables;
+
+namespace osu.Game.Rulesets.Catch.Objects.Drawable
+{
+    public class DrawableJuiceStream : DrawableCatchHitObject<JuiceStream>
+    {
+        private readonly Container dropletContainer;
+
+        public DrawableJuiceStream(JuiceStream s, Func<CatchHitObject, DrawableHitObject<CatchHitObject>> getVisualRepresentation = null)
+            : base(s)
+        {
+            RelativeSizeAxes = Axes.Both;
+            Origin = Anchor.BottomLeft;
+            X = 0;
+
+            Child = dropletContainer = new Container { RelativeSizeAxes = Axes.Both, };
+
+            foreach (var o in s.NestedHitObjects.Cast<CatchHitObject>())
+                AddNested(getVisualRepresentation?.Invoke(o));
+        }
+
+        protected override void AddNested(DrawableHitObject h)
+        {
+            var catchObject = (DrawableCatchHitObject)h;
+
+            catchObject.CheckPosition = o => CheckPosition?.Invoke(o) ?? false;
+            catchObject.AccentColour = HitObject.ComboColour;
+
+            dropletContainer.Add(h);
+            base.AddNested(h);
+        }
+    }
+}

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

@@ -0,0 +1,42 @@
+// Copyright (c) 2007-2018 ppy Pty Ltd <contact@ppy.sh>.
+// Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
+
+using osu.Framework.Extensions.Color4Extensions;
+using osu.Framework.Graphics;
+using osu.Framework.Graphics.Containers;
+using osu.Framework.Graphics.Shapes;
+using osu.Game.Graphics;
+using OpenTK.Graphics;
+
+namespace osu.Game.Rulesets.Catch.Objects.Drawable.Pieces
+{
+    public class Pulp : Circle, IHasAccentColour
+    {
+        public Pulp()
+        {
+            RelativePositionAxes = Axes.Both;
+            Anchor = Anchor.Centre;
+            Origin = Anchor.Centre;
+
+            Blending = BlendingMode.Additive;
+            Colour = Color4.White.Opacity(0.9f);
+        }
+
+        private Color4 accentColour;
+        public Color4 AccentColour
+        {
+            get { return accentColour; }
+            set
+            {
+                accentColour = value;
+
+                EdgeEffect = new EdgeEffectParameters
+                {
+                    Type = EdgeEffectType.Glow,
+                    Radius = 8,
+                    Colour = accentColour.Darken(0.2f).Opacity(0.75f)
+                };
+            }
+        }
+    }
+}

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

@@ -1,9 +1,9 @@
-// Copyright (c) 2007-2017 ppy Pty Ltd <contact@ppy.sh>.
+// Copyright (c) 2007-2018 ppy Pty Ltd <contact@ppy.sh>.
 // Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
 
 namespace osu.Game.Rulesets.Catch.Objects
 {
-    public class Droplet : CatchBaseHit
+    public class Droplet : CatchHitObject
     {
     }
 }

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

@@ -1,9 +1,9 @@
-// Copyright (c) 2007-2017 ppy Pty Ltd <contact@ppy.sh>.
+// Copyright (c) 2007-2018 ppy Pty Ltd <contact@ppy.sh>.
 // Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
 
 namespace osu.Game.Rulesets.Catch.Objects
 {
-    public class Fruit : CatchBaseHit
+    public class Fruit : CatchHitObject
     {
     }
 }

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

@@ -0,0 +1,168 @@
+// Copyright (c) 2007-2018 ppy Pty Ltd <contact@ppy.sh>.
+// Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
+
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using osu.Game.Audio;
+using osu.Game.Beatmaps;
+using osu.Game.Beatmaps.ControlPoints;
+using osu.Game.Rulesets.Catch.UI;
+using osu.Game.Rulesets.Objects;
+using osu.Game.Rulesets.Objects.Types;
+using OpenTK;
+
+namespace osu.Game.Rulesets.Catch.Objects
+{
+    public class JuiceStream : CatchHitObject, IHasCurve
+    {
+        /// <summary>
+        /// Positional distance that results in a duration of one second, before any speed adjustments.
+        /// </summary>
+        private const float base_scoring_distance = 100;
+
+        public readonly SliderCurve Curve = new SliderCurve();
+
+        public int RepeatCount { get; set; } = 1;
+
+        public double Velocity;
+        public double TickDistance;
+
+        protected override void ApplyDefaultsToSelf(ControlPointInfo controlPointInfo, BeatmapDifficulty difficulty)
+        {
+            base.ApplyDefaultsToSelf(controlPointInfo, difficulty);
+
+            TimingControlPoint timingPoint = controlPointInfo.TimingPointAt(StartTime);
+            DifficultyControlPoint difficultyPoint = controlPointInfo.DifficultyPointAt(StartTime);
+
+            double scoringDistance = base_scoring_distance * difficulty.SliderMultiplier * difficultyPoint.SpeedMultiplier;
+
+            Velocity = scoringDistance / timingPoint.BeatLength;
+            TickDistance = scoringDistance / difficulty.SliderTickRate;
+        }
+
+        protected override void CreateNestedHitObjects()
+        {
+            base.CreateNestedHitObjects();
+
+            createTicks();
+        }
+
+        private void createTicks()
+        {
+            if (TickDistance == 0)
+                return;
+
+            var length = Curve.Distance;
+            var tickDistance = Math.Min(TickDistance, length);
+            var repeatDuration = length / Velocity;
+
+            var minDistanceFromEnd = Velocity * 0.01;
+
+            AddNested(new Fruit
+            {
+                Samples = Samples,
+                ComboColour = ComboColour,
+                StartTime = StartTime,
+                X = X
+            });
+
+            for (var repeat = 0; repeat < RepeatCount; repeat++)
+            {
+                var repeatStartTime = StartTime + repeat * repeatDuration;
+                var reversed = repeat % 2 == 1;
+
+                for (var d = tickDistance; d <= length; d += tickDistance)
+                {
+                    if (d > length - minDistanceFromEnd)
+                        break;
+
+                    var timeProgress = d / length;
+                    var distanceProgress = reversed ? 1 - timeProgress : timeProgress;
+
+                    var lastTickTime = repeatStartTime + timeProgress * repeatDuration;
+                    AddNested(new Droplet
+                    {
+                        StartTime = lastTickTime,
+                        ComboColour = ComboColour,
+                        X = Curve.PositionAt(distanceProgress).X / CatchPlayfield.BASE_WIDTH,
+                        Samples = new List<SampleInfo>(Samples.Select(s => new SampleInfo
+                        {
+                            Bank = s.Bank,
+                            Name = @"slidertick",
+                            Volume = s.Volume
+                        }))
+                    });
+                }
+
+                double tinyTickInterval = tickDistance / length * repeatDuration;
+                while (tinyTickInterval > 100)
+                    tinyTickInterval /= 2;
+
+                for (double t = 0; t < repeatDuration; t += tinyTickInterval)
+                {
+                    double progress = reversed ? 1 - t / repeatDuration : t / repeatDuration;
+
+                    AddNested(new TinyDroplet
+                    {
+                        StartTime = repeatStartTime + t,
+                        ComboColour = ComboColour,
+                        X = Curve.PositionAt(progress).X / CatchPlayfield.BASE_WIDTH,
+                        Samples = new List<SampleInfo>(Samples.Select(s => new SampleInfo
+                        {
+                            Bank = s.Bank,
+                            Name = @"slidertick",
+                            Volume = s.Volume
+                        }))
+                    });
+                }
+
+                AddNested(new Fruit
+                {
+                    Samples = Samples,
+                    ComboColour = ComboColour,
+                    StartTime = repeatStartTime + repeatDuration,
+                    X = Curve.PositionAt(reversed ? 0 : 1).X / CatchPlayfield.BASE_WIDTH
+                });
+            }
+        }
+
+        public double EndTime => StartTime + RepeatCount * Curve.Distance / Velocity;
+
+        public float EndX => Curve.PositionAt(ProgressAt(1)).X / CatchPlayfield.BASE_WIDTH;
+
+        public double Duration => EndTime - StartTime;
+
+        public double Distance
+        {
+            get { return Curve.Distance; }
+            set { Curve.Distance = value; }
+        }
+
+        public List<Vector2> ControlPoints
+        {
+            get { return Curve.ControlPoints; }
+            set { Curve.ControlPoints = value; }
+        }
+
+        public List<List<SampleInfo>> RepeatSamples { get; set; } = new List<List<SampleInfo>>();
+
+        public CurveType CurveType
+        {
+            get { return Curve.CurveType; }
+            set { Curve.CurveType = value; }
+        }
+
+        public Vector2 PositionAt(double progress) => Curve.PositionAt(ProgressAt(progress));
+
+        public double ProgressAt(double progress)
+        {
+            double p = progress * RepeatCount % 1;
+            if (RepeatAt(progress) % 2 == 1)
+                p = 1 - p;
+            return p;
+        }
+
+        public int RepeatAt(double progress) => (int)(progress * RepeatCount);
+    }
+}

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

@@ -0,0 +1,9 @@
+// Copyright (c) 2007-2018 ppy Pty Ltd <contact@ppy.sh>.
+// Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
+
+namespace osu.Game.Rulesets.Catch.Objects
+{
+    public class TinyDroplet : Droplet
+    {
+    }
+}

osu.Game.Rulesets.Catch/OpenTK.dll.config

@@ -1,7 +1,3 @@
-<!--
-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"/>

osu.Game.Rulesets.Catch/Properties/AssemblyInfo.cs

@@ -1,4 +1,4 @@
-// Copyright (c) 2007-2017 ppy Pty Ltd <contact@ppy.sh>.
+// Copyright (c) 2007-2018 ppy Pty Ltd <contact@ppy.sh>.
 // Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
 
 using System.Reflection;
@@ -8,11 +8,11 @@ using System.Runtime.InteropServices;
 // set of attributes. Change these attribute values to modify the information
 // associated with an assembly.
 [assembly: AssemblyTitle("osu.Game.Rulesets.Catch")]
-[assembly: AssemblyDescription("")]
+[assembly: AssemblyDescription("catch the fruit. to the beat.")]
 [assembly: AssemblyConfiguration("")]
-[assembly: AssemblyCompany("")]
+[assembly: AssemblyCompany("ppy Pty Ltd")]
 [assembly: AssemblyProduct("osu.Game.Rulesets.Catch")]
-[assembly: AssemblyCopyright("Copyright ©  2016")]
+[assembly: AssemblyCopyright("ppy Pty Ltd 2007-2018")]
 [assembly: AssemblyTrademark("")]
 [assembly: AssemblyCulture("")]
 
@@ -24,15 +24,5 @@ using System.Runtime.InteropServices;
 // The following GUID is for the ID of the typelib if this project is exposed to COM
 [assembly: Guid("58f6c80c-1253-4a0e-a465-b8c85ebeadf3")]
 
-// Version information for an assembly consists of the following four values:
-//
-//      Major Version
-//      Minor Version
-//      Build Number
-//      Revision
-//
-// You can specify all the values or you can default the Build and Revision Numbers
-// by using the '*' as shown below:
-// [assembly: AssemblyVersion("1.0.*")]
 [assembly: AssemblyVersion("1.0.0.0")]
 [assembly: AssemblyFileVersion("1.0.0.0")]

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

@@ -0,0 +1,54 @@
+// Copyright (c) 2007-2018 ppy Pty Ltd <contact@ppy.sh>.
+// Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
+
+using System.Linq;
+using osu.Game.Beatmaps;
+using osu.Game.Rulesets.Catch.Objects;
+using osu.Game.Rulesets.Replays;
+using osu.Game.Users;
+
+namespace osu.Game.Rulesets.Catch.Replays
+{
+    internal class CatchAutoGenerator : AutoGenerator<CatchHitObject>
+    {
+        public const double RELEASE_DELAY = 20;
+
+        public CatchAutoGenerator(Beatmap<CatchHitObject> beatmap)
+            : base(beatmap)
+        {
+            Replay = new Replay { User = new User { Username = @"Autoplay" } };
+        }
+
+        protected Replay Replay;
+
+        public override Replay Generate()
+        {
+            // Todo: Realistically this shouldn't be needed, but the first frame is skipped with the way replays are currently handled
+            Replay.Frames.Add(new CatchReplayFrame(-100000, 0));
+
+            foreach (var obj in Beatmap.HitObjects)
+            {
+                switch (obj)
+                {
+                    case Fruit _:
+                        Replay.Frames.Add(new CatchReplayFrame(obj.StartTime, obj.X));
+                        break;
+                }
+
+                foreach (var nestedObj in obj.NestedHitObjects.Cast<CatchHitObject>())
+                {
+                    switch (nestedObj)
+                    {
+                        case BananaShower.Banana _:
+                        case TinyDroplet _:
+                        case Droplet _:
+                            Replay.Frames.Add(new CatchReplayFrame(nestedObj.StartTime, nestedObj.X));
+                            break;
+                    }
+                }
+            }
+
+            return Replay;
+        }
+    }
+}

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

@@ -0,0 +1,32 @@
+// Copyright (c) 2007-2018 ppy Pty Ltd <contact@ppy.sh>.
+// Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
+
+using System.Collections.Generic;
+using osu.Framework.Input;
+using osu.Game.Rulesets.Replays;
+
+namespace osu.Game.Rulesets.Catch.Replays
+{
+    public class CatchFramedReplayInputHandler : FramedReplayInputHandler
+    {
+        public CatchFramedReplayInputHandler(Replay replay)
+            : base(replay)
+        {
+        }
+
+        public override List<InputState> GetPendingStates() => new List<InputState>
+        {
+            new CatchReplayState
+            {
+                PressedActions = new List<CatchAction> { CatchAction.PositionUpdate },
+                CatcherX = ((CatchReplayFrame)CurrentFrame).MouseX
+            },
+            new CatchReplayState { PressedActions = new List<CatchAction>() },
+        };
+
+        public class CatchReplayState : ReplayState<CatchAction>
+        {
+            public float? CatcherX { get; set; }
+        }
+    }
+}

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

@@ -0,0 +1,17 @@
+// Copyright (c) 2007-2018 ppy Pty Ltd <contact@ppy.sh>.
+// Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
+
+using osu.Game.Rulesets.Replays;
+
+namespace osu.Game.Rulesets.Catch.Replays
+{
+    public class CatchReplayFrame : ReplayFrame
+    {
+        public override bool IsImportant => MouseX > 0;
+
+        public CatchReplayFrame(double time, float? x = null)
+            : base(time, x ?? -1, null, ReplayButtonState.None)
+        {
+        }
+    }
+}

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

@@ -1,6 +1,8 @@
-// Copyright (c) 2007-2017 ppy Pty Ltd <contact@ppy.sh>.
+// Copyright (c) 2007-2018 ppy Pty Ltd <contact@ppy.sh>.
 // Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
 
+using System.Linq;
+using osu.Game.Beatmaps;
 using osu.Game.Rulesets.Catch.Judgements;
 using osu.Game.Rulesets.Catch.Objects;
 using osu.Game.Rulesets.Scoring;
@@ -8,27 +10,39 @@ using osu.Game.Rulesets.UI;
 
 namespace osu.Game.Rulesets.Catch.Scoring
 {
-    internal class CatchScoreProcessor : ScoreProcessor<CatchBaseHit, CatchJudgement>
+    public class CatchScoreProcessor : ScoreProcessor<CatchHitObject>
     {
-        public CatchScoreProcessor()
-        {
-        }
-
-        public CatchScoreProcessor(RulesetContainer<CatchBaseHit, CatchJudgement> rulesetContainer)
+        public CatchScoreProcessor(RulesetContainer<CatchHitObject> rulesetContainer)
             : base(rulesetContainer)
         {
         }
 
-        protected override void Reset()
+        protected override void SimulateAutoplay(Beatmap<CatchHitObject> beatmap)
         {
-            base.Reset();
+            foreach (var obj in beatmap.HitObjects)
+            {
+                switch (obj)
+                {
+                    case JuiceStream stream:
+                        AddJudgement(new CatchJudgement { Result = HitResult.Perfect });
+                        AddJudgement(new CatchJudgement { Result = HitResult.Perfect });
 
-            Health.Value = 1;
-            Accuracy.Value = 1;
-        }
+                        foreach (var _ in stream.NestedHitObjects.Cast<CatchHitObject>())
+                            AddJudgement(new CatchJudgement { Result = HitResult.Perfect });
+                        break;
+                    case BananaShower shower:
+                        AddJudgement(new CatchJudgement { Result = HitResult.Perfect });
 
-        protected override void OnNewJudgement(CatchJudgement judgement)
-        {
+                        foreach (var _ in shower.NestedHitObjects.Cast<CatchHitObject>())
+                            AddJudgement(new CatchJudgement { Result = HitResult.Perfect });
+                        break;
+                    case Fruit _:
+                        AddJudgement(new CatchJudgement { Result = HitResult.Perfect });
+                        break;
+                }
+            }
+
+            base.SimulateAutoplay(beatmap);
         }
     }
 }

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

@@ -0,0 +1,50 @@
+// Copyright (c) 2007-2018 ppy Pty Ltd <contact@ppy.sh>.
+// Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
+
+using System;
+using System.Collections.Generic;
+using NUnit.Framework;
+using osu.Game.Beatmaps;
+using osu.Game.Rulesets.Catch.Objects;
+using osu.Game.Rulesets.Catch.Objects.Drawable;
+using osu.Game.Rulesets.Catch.UI;
+
+namespace osu.Game.Rulesets.Catch.Tests
+{
+    [TestFixture]
+    [Ignore("getting CI working")]
+    public class TestCaseBananaShower : Game.Tests.Visual.TestCasePlayer
+    {
+        public override IReadOnlyList<Type> RequiredTypes => new[]
+        {
+            typeof(BananaShower),
+            typeof(DrawableBananaShower),
+
+            typeof(CatchRuleset),
+            typeof(CatchRulesetContainer),
+        };
+
+        public TestCaseBananaShower()
+            : base(new CatchRuleset())
+        {
+        }
+
+        protected override Beatmap CreateBeatmap()
+        {
+            var beatmap = new Beatmap
+            {
+                BeatmapInfo = new BeatmapInfo
+                {
+                    BaseDifficulty = new BeatmapDifficulty
+                    {
+                        CircleSize = 6,
+                    }
+                }
+            };
+
+            beatmap.HitObjects.Add(new BananaShower { StartTime = 200, Duration = 5000, NewCombo = true });
+
+            return beatmap;
+        }
+    }
+}

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

@@ -0,0 +1,16 @@
+// Copyright (c) 2007-2018 ppy Pty Ltd <contact@ppy.sh>.
+// Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
+
+using NUnit.Framework;
+
+namespace osu.Game.Rulesets.Catch.Tests
+{
+    [TestFixture]
+    [Ignore("getting CI working")]
+    public class TestCaseCatchPlayer : Game.Tests.Visual.TestCasePlayer
+    {
+        public TestCaseCatchPlayer() : base(new CatchRuleset())
+        {
+        }
+    }
+}

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

@@ -0,0 +1,38 @@
+// Copyright (c) 2007-2018 ppy Pty Ltd <contact@ppy.sh>.
+// Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
+
+using NUnit.Framework;
+using osu.Game.Beatmaps;
+using osu.Game.Rulesets.Catch.Objects;
+
+namespace osu.Game.Rulesets.Catch.Tests
+{
+    [TestFixture]
+    [Ignore("getting CI working")]
+    public class TestCaseCatchStacker : Game.Tests.Visual.TestCasePlayer
+    {
+        public TestCaseCatchStacker()
+            : base(new CatchRuleset())
+        {
+        }
+
+        protected override Beatmap CreateBeatmap()
+        {
+            var beatmap = new Beatmap
+            {
+                BeatmapInfo = new BeatmapInfo
+                {
+                    BaseDifficulty = new BeatmapDifficulty
+                    {
+                        CircleSize = 6,
+                    }
+                }
+            };
+
+            for (int i = 0; i < 512; i++)
+                beatmap.HitObjects.Add(new Fruit { X = 0.5f + i / 2048f * (i % 10 - 5), StartTime = i * 100, NewCombo = i % 8 == 0 });
+
+            return beatmap;
+        }
+    }
+}

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

@@ -0,0 +1,62 @@
+// Copyright (c) 2007-2018 ppy Pty Ltd <contact@ppy.sh>.
+// Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
+
+using System;
+using System.Collections.Generic;
+using NUnit.Framework;
+using osu.Framework.Allocation;
+using osu.Framework.Graphics;
+using osu.Game.Beatmaps;
+using osu.Game.Rulesets.Catch.UI;
+using osu.Game.Tests.Visual;
+
+namespace osu.Game.Rulesets.Catch.Tests
+{
+    [TestFixture]
+    [Ignore("getting CI working")]
+    public class TestCaseCatcherArea : OsuTestCase
+    {
+        private RulesetInfo catchRuleset;
+        private TestCatcherArea catcherArea;
+
+        public override IReadOnlyList<Type> RequiredTypes => new[]
+        {
+            typeof(CatcherArea),
+        };
+
+        public TestCaseCatcherArea()
+        {
+            AddSliderStep<float>("CircleSize", 0, 8, 5, createCatcher);
+            AddToggleStep("Hyperdash", t => catcherArea.ToggleHyperDash(t));
+        }
+
+        private void createCatcher(float size)
+        {
+            Child = new CatchInputManager(catchRuleset)
+            {
+                RelativeSizeAxes = Axes.Both,
+                Child = catcherArea = new TestCatcherArea(new BeatmapDifficulty { CircleSize = size })
+                {
+                    Anchor = Anchor.CentreLeft,
+                    Origin = Anchor.BottomLeft
+                },
+            };
+        }
+
+        [BackgroundDependencyLoader]
+        private void load(RulesetStore rulesets)
+        {
+            catchRuleset = rulesets.GetRuleset(2);
+        }
+
+        private class TestCatcherArea : CatcherArea
+        {
+            public TestCatcherArea(BeatmapDifficulty beatmapDifficulty)
+                : base(beatmapDifficulty)
+            {
+            }
+
+            public void ToggleHyperDash(bool status) => MovableCatcher.HyperDashModifier = status ? 2 : 1;
+        }
+    }
+}

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

@@ -0,0 +1,104 @@
+// Copyright (c) 2007-2018 ppy Pty Ltd <contact@ppy.sh>.
+// Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
+
+using System;
+using System.Collections.Generic;
+using NUnit.Framework;
+using osu.Framework.Graphics;
+using osu.Framework.Graphics.Containers;
+using osu.Framework.MathUtils;
+using osu.Game.Rulesets.Catch.Objects;
+using osu.Game.Rulesets.Catch.Objects.Drawable;
+using osu.Game.Rulesets.Catch.Objects.Drawable.Pieces;
+using osu.Game.Tests.Visual;
+using OpenTK;
+using OpenTK.Graphics;
+
+namespace osu.Game.Rulesets.Catch.Tests
+{
+    [Ignore("getting CI working")]
+    public class TestCaseFruitObjects : OsuTestCase
+    {
+        public override IReadOnlyList<Type> RequiredTypes => new[]
+        {
+            typeof(CatchHitObject),
+            typeof(Fruit),
+            typeof(Droplet),
+            typeof(DrawableCatchHitObject),
+            typeof(DrawableFruit),
+            typeof(DrawableDroplet),
+            typeof(Pulp),
+        };
+
+        public TestCaseFruitObjects()
+        {
+            Add(new GridContainer
+            {
+                RelativeSizeAxes = Axes.Both,
+                Content = new[]
+                {
+                    new Drawable[]
+                    {
+                        createDrawable(0),
+                        createDrawable(1),
+                        createDrawable(2),
+                    },
+                    new Drawable[]
+                    {
+                        createDrawable(3),
+                        createDrawable(4),
+                        createDrawable(5),
+                    },
+                }
+            });
+        }
+
+        private DrawableFruit createDrawable(int index)
+        {
+            var fruit = new Fruit
+            {
+                StartTime = 1000000000000,
+                IndexInBeatmap = index,
+                Scale = 1.5f,
+            };
+
+            fruit.ComboColour = colourForRrepesentation(fruit.VisualRepresentation);
+
+            return new DrawableFruit(fruit)
+            {
+                Anchor = Anchor.Centre,
+                RelativePositionAxes = Axes.Both,
+                Position = Vector2.Zero,
+                Alpha = 1,
+                LifetimeStart = double.NegativeInfinity,
+                LifetimeEnd = double.PositiveInfinity,
+            };
+        }
+
+        private Color4 colourForRrepesentation(FruitVisualRepresentation representation)
+        {
+            switch (representation)
+            {
+                default:
+                case FruitVisualRepresentation.Pear:
+                    return new Color4(17, 136, 170, 255);
+                case FruitVisualRepresentation.Grape:
+                    return new Color4(204, 102, 0, 255);
+                case FruitVisualRepresentation.Raspberry:
+                    return new Color4(121, 9, 13, 255);
+                case FruitVisualRepresentation.Pineapple:
+                    return new Color4(102, 136, 0, 255);
+                case FruitVisualRepresentation.Banana:
+                    switch (RNG.Next(0, 3))
+                    {
+                        default:
+                            return new Color4(255, 240, 0, 255);
+                        case 1:
+                            return new Color4(255, 192, 0, 255);
+                        case 2:
+                            return new Color4(214, 221, 28, 255);
+                    }
+            }
+        }
+    }
+}

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

@@ -0,0 +1,30 @@
+// Copyright (c) 2007-2018 ppy Pty Ltd <contact@ppy.sh>.
+// Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
+
+using NUnit.Framework;
+using osu.Game.Beatmaps;
+using osu.Game.Rulesets.Catch.Objects;
+
+namespace osu.Game.Rulesets.Catch.Tests
+{
+    [TestFixture]
+    [Ignore("getting CI working")]
+    public class TestCaseHyperdash : Game.Tests.Visual.TestCasePlayer
+    {
+        public TestCaseHyperdash()
+            : base(new CatchRuleset())
+        {
+        }
+
+        protected override Beatmap CreateBeatmap()
+        {
+            var beatmap = new Beatmap();
+
+            for (int i = 0; i < 512; i++)
+                if (i % 5 < 3)
+                    beatmap.HitObjects.Add(new Fruit { X = i % 10 < 5 ? 0.02f : 0.98f, StartTime = i * 100, NewCombo = i % 8 == 0 });
+
+            return beatmap;
+        }
+    }
+}

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

@@ -0,0 +1,16 @@
+// Copyright (c) 2007-2018 ppy Pty Ltd <contact@ppy.sh>.
+// Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
+
+using NUnit.Framework;
+
+namespace osu.Game.Rulesets.Catch.Tests
+{
+    [Ignore("getting CI working")]
+    public class TestCasePerformancePoints : Game.Tests.Visual.TestCasePerformancePoints
+    {
+        public TestCasePerformancePoints()
+            : base(new CatchRuleset())
+        {
+        }
+    }
+}

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

@@ -1,66 +1,71 @@
-// Copyright (c) 2007-2017 ppy Pty Ltd <contact@ppy.sh>.
+// Copyright (c) 2007-2018 ppy Pty Ltd <contact@ppy.sh>.
 // Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
 
+using System;
 using osu.Framework.Graphics;
-using osu.Game.Rulesets.Catch.Objects;
-using osu.Game.Rulesets.UI;
-using OpenTK;
-using osu.Game.Rulesets.Catch.Judgements;
 using osu.Framework.Graphics.Containers;
+using osu.Game.Beatmaps;
+using osu.Game.Rulesets.Catch.Objects;
 using osu.Game.Rulesets.Catch.Objects.Drawable;
+using osu.Game.Rulesets.Judgements;
 using osu.Game.Rulesets.Objects.Drawables;
+using osu.Game.Rulesets.UI.Scrolling;
 
 namespace osu.Game.Rulesets.Catch.UI
 {
-    public class CatchPlayfield : ScrollingPlayfield<CatchBaseHit, CatchJudgement>
+    public class CatchPlayfield : ScrollingPlayfield
     {
+        public const float BASE_WIDTH = 512;
+
         protected override Container<Drawable> Content => content;
         private readonly Container<Drawable> content;
+
         private readonly CatcherArea catcherArea;
 
-        public CatchPlayfield()
-            : base(Axes.Y)
+        public CatchPlayfield(BeatmapDifficulty difficulty, Func<CatchHitObject, DrawableHitObject<CatchHitObject>> getVisualRepresentation)
+            : base(ScrollingDirection.Down, BASE_WIDTH)
         {
-            Reversed.Value = true;
-
-            Size = new Vector2(1);
+            Container explodingFruitContainer;
 
             Anchor = Anchor.TopCentre;
             Origin = Anchor.TopCentre;
 
-            InternalChildren = new Drawable[]
+            ScaledContent.Anchor = Anchor.BottomLeft;
+            ScaledContent.Origin = Anchor.BottomLeft;
+
+            ScaledContent.AddRange(new Drawable[]
             {
                 content = new Container<Drawable>
                 {
                     RelativeSizeAxes = Axes.Both,
                 },
-                catcherArea = new CatcherArea
+                explodingFruitContainer = new Container
                 {
                     RelativeSizeAxes = Axes.Both,
+                },
+                catcherArea = new CatcherArea(difficulty)
+                {
+                    GetVisualRepresentation = getVisualRepresentation,
+                    ExplodingFruitTarget = explodingFruitContainer,
                     Anchor = Anchor.BottomLeft,
                     Origin = Anchor.TopLeft,
-                    Height = 0.3f
                 }
-            };
+            });
         }
 
-        public override void Add(DrawableHitObject<CatchBaseHit, CatchJudgement> h)
+        public bool CheckIfWeCanCatch(CatchHitObject obj) => catcherArea.AttemptCatch(obj);
+
+        public override void Add(DrawableHitObject h)
         {
+            h.Depth = (float)h.HitObject.StartTime;
+            h.OnJudgement += onJudgement;
+
             base.Add(h);
 
-            var fruit = (DrawableFruit)h;
-            fruit.CheckPosition = catcherArea.CheckIfWeCanCatch;
-            fruit.OnJudgement += Fruit_OnJudgement;
+            var fruit = (DrawableCatchHitObject)h;
+            fruit.CheckPosition = CheckIfWeCanCatch;
         }
 
-        private void Fruit_OnJudgement(DrawableHitObject<CatchBaseHit, CatchJudgement> obj)
-        {
-            if (obj.Judgement.Result == HitResult.Hit)
-            {
-                Vector2 screenPosition = obj.ScreenSpaceDrawQuad.Centre;
-                Remove(obj);
-                catcherArea.Add(obj, screenPosition);
-            }
-        }
+        private void onJudgement(DrawableHitObject judgedObject, Judgement judgement) => catcherArea.OnJudgement((DrawableCatchHitObject)judgedObject, judgement);
     }
 }

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

@@ -1,21 +1,23 @@
-// Copyright (c) 2007-2017 ppy Pty Ltd <contact@ppy.sh>.
+// Copyright (c) 2007-2018 ppy Pty Ltd <contact@ppy.sh>.
 // Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
 
 using osu.Framework.Input;
 using osu.Game.Beatmaps;
-using osu.Game.Rulesets.Beatmaps;
 using osu.Game.Rulesets.Catch.Beatmaps;
-using osu.Game.Rulesets.Catch.Judgements;
 using osu.Game.Rulesets.Catch.Objects;
 using osu.Game.Rulesets.Catch.Objects.Drawable;
+using osu.Game.Rulesets.Catch.Replays;
 using osu.Game.Rulesets.Catch.Scoring;
 using osu.Game.Rulesets.Objects.Drawables;
+using osu.Game.Rulesets.Replays;
 using osu.Game.Rulesets.Scoring;
 using osu.Game.Rulesets.UI;
+using osu.Game.Rulesets.UI.Scrolling;
+using OpenTK;
 
 namespace osu.Game.Rulesets.Catch.UI
 {
-    public class CatchRulesetContainer : ScrollingRulesetContainer<CatchPlayfield, CatchBaseHit, CatchJudgement>
+    public class CatchRulesetContainer : ScrollingRulesetContainer<CatchPlayfield, CatchHitObject>
     {
         public CatchRulesetContainer(Ruleset ruleset, WorkingBeatmap beatmap, bool isForCurrentRuleset)
             : base(ruleset, beatmap, isForCurrentRuleset)
@@ -24,16 +26,31 @@ namespace osu.Game.Rulesets.Catch.UI
 
         public override ScoreProcessor CreateScoreProcessor() => new CatchScoreProcessor(this);
 
-        protected override BeatmapConverter<CatchBaseHit> CreateBeatmapConverter() => new CatchBeatmapConverter();
+        protected override FramedReplayInputHandler CreateReplayInputHandler(Replay replay) => new CatchFramedReplayInputHandler(replay);
 
-        protected override Playfield<CatchBaseHit, CatchJudgement> CreatePlayfield() => new CatchPlayfield();
+        protected override BeatmapProcessor<CatchHitObject> CreateBeatmapProcessor() => new CatchBeatmapProcessor();
+
+        protected override BeatmapConverter<CatchHitObject> CreateBeatmapConverter() => new CatchBeatmapConverter();
+
+        protected override Playfield CreatePlayfield() => new CatchPlayfield(Beatmap.BeatmapInfo.BaseDifficulty, GetVisualRepresentation);
 
         public override PassThroughInputManager CreateInputManager() => new CatchInputManager(Ruleset.RulesetInfo);
 
-        protected override DrawableHitObject<CatchBaseHit, CatchJudgement> GetVisualRepresentation(CatchBaseHit h)
+        protected override DrawableHitObject<CatchHitObject> GetVisualRepresentation(CatchHitObject h)
         {
-            if (h is Fruit)
-                return new DrawableFruit(h);
+            switch (h)
+            {
+                case Fruit fruit:
+                    return new DrawableFruit(fruit);
+                case JuiceStream stream:
+                    return new DrawableJuiceStream(stream, GetVisualRepresentation);
+                case BananaShower banana:
+                    return new DrawableBananaShower(banana, GetVisualRepresentation);
+                case TinyDroplet tiny:
+                    return new DrawableDroplet(tiny) { Scale = new Vector2(0.5f) };
+                case Droplet droplet:
+                    return new DrawableDroplet(droplet);
+            }
 
             return null;
         }

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

@@ -1,4 +1,4 @@
-// Copyright (c) 2007-2017 ppy Pty Ltd <contact@ppy.sh>.
+// Copyright (c) 2007-2018 ppy Pty Ltd <contact@ppy.sh>.
 // Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
 
 using System;
@@ -10,54 +10,133 @@ using osu.Framework.Graphics.Sprites;
 using osu.Framework.Graphics.Textures;
 using osu.Framework.Input.Bindings;
 using osu.Framework.MathUtils;
-using osu.Game.Rulesets.Catch.Judgements;
+using osu.Game.Beatmaps;
 using osu.Game.Rulesets.Catch.Objects;
 using osu.Game.Rulesets.Catch.Objects.Drawable;
+using osu.Game.Rulesets.Catch.Replays;
+using osu.Game.Rulesets.Judgements;
 using osu.Game.Rulesets.Objects.Drawables;
 using OpenTK;
+using OpenTK.Graphics;
 
 namespace osu.Game.Rulesets.Catch.UI
 {
-    public class CatcherArea : Container
+    public class CatcherArea : Container, IKeyBindingHandler<CatchAction>
     {
-        private Catcher catcher;
+        public const float CATCHER_SIZE = 172;
 
-        public void Add(DrawableHitObject<CatchBaseHit, CatchJudgement> fruit, Vector2 screenPosition) => catcher.AddToStack(fruit, screenPosition);
+        protected readonly Catcher MovableCatcher;
 
-        public bool CheckIfWeCanCatch(CatchBaseHit obj) => Math.Abs(catcher.Position.X - obj.Position) < catcher.DrawSize.X / DrawSize.X / 2;
+        public Func<CatchHitObject, DrawableHitObject<CatchHitObject>> GetVisualRepresentation;
 
-        [BackgroundDependencyLoader]
-        private void load()
+        public Container ExplodingFruitTarget
         {
-            Children = new Drawable[]
+            set { MovableCatcher.ExplodingFruitTarget = value; }
+        }
+
+        public CatcherArea(BeatmapDifficulty difficulty = null)
+        {
+            RelativeSizeAxes = Axes.X;
+            Height = CATCHER_SIZE;
+            Child = MovableCatcher = new Catcher(difficulty)
             {
-                catcher = new Catcher
-                {
-                    RelativePositionAxes = Axes.Both,
-                    Anchor = Anchor.TopLeft,
-                    Origin = Anchor.TopCentre,
-                    X = 0.5f,
-                }
+                AdditiveTarget = this,
             };
         }
 
-        protected override void Update()
-        {
-            base.Update();
+        private DrawableCatchHitObject lastPlateableFruit;
 
-            catcher.Size = new Vector2(DrawSize.Y);
+        public void OnJudgement(DrawableCatchHitObject fruit, Judgement judgement)
+        {
+            if (judgement.IsHit && fruit.CanBePlated)
+            {
+                var caughtFruit = (DrawableCatchHitObject)GetVisualRepresentation?.Invoke(fruit.HitObject);
+
+                if (caughtFruit == null) return;
+
+                caughtFruit.AccentColour = fruit.AccentColour;
+                caughtFruit.RelativePositionAxes = Axes.None;
+                caughtFruit.Position = new Vector2(MovableCatcher.ToLocalSpace(fruit.ScreenSpaceDrawQuad.Centre).X - MovableCatcher.DrawSize.X / 2, 0);
+
+                caughtFruit.Anchor = Anchor.TopCentre;
+                caughtFruit.Origin = Anchor.Centre;
+                caughtFruit.Scale *= 0.7f;
+                caughtFruit.LifetimeEnd = double.MaxValue;
+
+                MovableCatcher.Add(caughtFruit);
+
+                lastPlateableFruit = caughtFruit;
+            }
+
+            if (fruit.HitObject.LastInCombo)
+            {
+                if (judgement.IsHit)
+                {
+                    // this is required to make this run after the last caught fruit runs UpdateState at least once.
+                    // TODO: find a better alternative
+                    if (lastPlateableFruit.IsLoaded)
+                        MovableCatcher.Explode();
+                    else
+                        lastPlateableFruit.OnLoadComplete = _ => { MovableCatcher.Explode(); };
+                }
+                else
+                    MovableCatcher.Drop();
+            }
         }
 
-        private class Catcher : Container, IKeyBindingHandler<CatchAction>
+        public bool OnPressed(CatchAction action)
+        {
+            if (action != CatchAction.PositionUpdate) return false;
+
+            CatchFramedReplayInputHandler.CatchReplayState state = (CatchFramedReplayInputHandler.CatchReplayState)GetContainingInputManager().CurrentState;
+
+            if (state.CatcherX.HasValue)
+                MovableCatcher.X = state.CatcherX.Value;
+
+            return true;
+        }
+
+        public bool OnReleased(CatchAction action) => false;
+
+        public bool AttemptCatch(CatchHitObject obj) => MovableCatcher.AttemptCatch(obj);
+
+        public class Catcher : Container, IKeyBindingHandler<CatchAction>
         {
             private Texture texture;
 
+            private Container<DrawableHitObject> caughtFruit;
+
+            public Container ExplodingFruitTarget;
+
+            public Container AdditiveTarget;
+
+            public Catcher(BeatmapDifficulty difficulty = null)
+            {
+                RelativePositionAxes = Axes.X;
+                X = 0.5f;
+
+                Origin = Anchor.TopCentre;
+                Anchor = Anchor.TopLeft;
+
+                Size = new Vector2(CATCHER_SIZE);
+                if (difficulty != null)
+                    Scale = new Vector2(1.0f - 0.7f * (difficulty.CircleSize - 5) / 5);
+            }
+
             [BackgroundDependencyLoader]
             private void load(TextureStore textures)
             {
                 texture = textures.Get(@"Play/Catch/fruit-catcher-idle");
 
-                Child = createCatcherSprite();
+                Children = new Drawable[]
+                {
+                    caughtFruit = new Container<DrawableHitObject>
+                    {
+                        Anchor = Anchor.TopCentre,
+                        Origin = Anchor.BottomCentre,
+                    },
+                    createCatcherSprite(),
+                };
             }
 
             private int currentDirection;
@@ -73,37 +152,154 @@ namespace osu.Game.Rulesets.Catch.UI
 
                     dashing = value;
 
-                    if (dashing)
-                        Schedule(addAdditiveSprite);
+                    Trail |= dashing;
                 }
             }
 
-            private void addAdditiveSprite()
+            private bool trail;
+
+            /// <summary>
+            /// Activate or deactive the trail. Will be automatically deactivated when conditions to keep the trail displayed are no longer met.
+            /// </summary>
+            protected bool Trail
             {
-                if (!dashing) return;
+                get { return trail; }
+                set
+                {
+                    if (value == trail) return;
+
+                    trail = value;
+
+                    if (Trail)
+                        beginTrail();
+                }
+            }
+
+            private void beginTrail()
+            {
+                Trail &= dashing || HyperDashing;
+                Trail &= AdditiveTarget != null;
+
+                if (!Trail) return;
 
                 var additive = createCatcherSprite();
 
-                additive.RelativePositionAxes = Axes.Both;
-                additive.BlendingMode = BlendingMode.Additive;
+                additive.Anchor = Anchor;
+                additive.OriginPosition = additive.OriginPosition + new Vector2(DrawWidth / 2, 0); // also temporary to align sprite correctly.
                 additive.Position = Position;
                 additive.Scale = Scale;
+                additive.Colour = HyperDashing ? Color4.Red : Color4.White;
+                additive.RelativePositionAxes = RelativePositionAxes;
+                additive.Blending = BlendingMode.Additive;
 
-                ((CatcherArea)Parent).Add(additive);
+                AdditiveTarget.Add(additive);
 
                 additive.FadeTo(0.4f).FadeOut(800, Easing.OutQuint).Expire();
 
-                Scheduler.AddDelayed(addAdditiveSprite, 50);
+                Scheduler.AddDelayed(beginTrail, HyperDashing ? 25 : 50);
             }
 
             private Sprite createCatcherSprite() => new Sprite
             {
-                RelativeSizeAxes = Axes.Both,
-                FillMode = FillMode.Fit,
+                Size = new Vector2(CATCHER_SIZE),
+                FillMode = FillMode.Fill,
                 Texture = texture,
-                OriginPosition = new Vector2(DrawWidth / 2, 10) //temporary until the sprite is aligned correctly.
+                OriginPosition = new Vector2(-3, 10) // temporary until the sprite is aligned correctly.
             };
 
+            /// <summary>
+            /// Add a caught fruit to the catcher's stack.
+            /// </summary>
+            /// <param name="fruit">The fruit that was caught.</param>
+            public void Add(DrawableHitObject fruit)
+            {
+                float ourRadius = fruit.DrawSize.X / 2 * fruit.Scale.X;
+                float theirRadius = 0;
+
+                const float allowance = 6;
+
+                while (caughtFruit.Any(f =>
+                    f.LifetimeEnd == double.MaxValue &&
+                    Vector2Extensions.Distance(f.Position, fruit.Position) < (ourRadius + (theirRadius = f.DrawSize.X / 2 * f.Scale.X)) / (allowance / 2)))
+                {
+                    float diff = (ourRadius + theirRadius) / allowance;
+                    fruit.X += (RNG.NextSingle() - 0.5f) * 2 * diff;
+                    fruit.Y -= RNG.NextSingle() * diff;
+                }
+
+                fruit.X = MathHelper.Clamp(fruit.X, -CATCHER_SIZE / 2, CATCHER_SIZE / 2);
+
+                caughtFruit.Add(fruit);
+            }
+
+            /// <summary>
+            /// Let the catcher attempt to catch a fruit.
+            /// </summary>
+            /// <param name="fruit">The fruit to catch.</param>
+            /// <returns>Whether the catch is possible.</returns>
+            public bool AttemptCatch(CatchHitObject fruit)
+            {
+                double halfCatcherWidth = CATCHER_SIZE * Math.Abs(Scale.X) * 0.5f;
+
+                // this stuff wil disappear once we move fruit to non-relative coordinate space in the future.
+                var catchObjectPosition = fruit.X * CatchPlayfield.BASE_WIDTH;
+                var catcherPosition = Position.X * CatchPlayfield.BASE_WIDTH;
+
+                var validCatch =
+                    catchObjectPosition >= catcherPosition - halfCatcherWidth &&
+                    catchObjectPosition <= catcherPosition + halfCatcherWidth;
+
+                if (validCatch && fruit.HyperDash)
+                {
+                    HyperDashModifier = Math.Abs(fruit.HyperDashTarget.X - fruit.X) / Math.Abs(fruit.HyperDashTarget.StartTime - fruit.StartTime) / BASE_SPEED;
+                    HyperDashDirection = fruit.HyperDashTarget.X - fruit.X;
+                }
+                else
+                    HyperDashModifier = 1;
+
+                return validCatch;
+            }
+
+            /// <summary>
+            /// Whether we are hypderdashing or not.
+            /// </summary>
+            public bool HyperDashing => hyperDashModifier != 1;
+
+            private double hyperDashModifier = 1;
+
+            /// <summary>
+            /// The direction in which hyperdash is allowed. 0 allows both directions.
+            /// </summary>
+            public double HyperDashDirection;
+
+            /// <summary>
+            /// The speed modifier resultant from hyperdash. Will trigger hyperdash when not equal to 1.
+            /// </summary>
+            public double HyperDashModifier
+            {
+                get { return hyperDashModifier; }
+                set
+                {
+                    if (value == hyperDashModifier) return;
+                    hyperDashModifier = value;
+
+                    const float transition_length = 180;
+
+                    if (HyperDashing)
+                    {
+                        this.FadeColour(Color4.OrangeRed, transition_length, Easing.OutQuint);
+                        this.FadeTo(0.2f, transition_length, Easing.OutQuint);
+                        Trail = true;
+                    }
+                    else
+                    {
+                        HyperDashDirection = 0;
+                        this.FadeColour(Color4.White, transition_length, Easing.OutQuint);
+                        this.FadeTo(1, transition_length, Easing.OutQuint);
+                    }
+                }
+            }
+
             public bool OnPressed(CatchAction action)
             {
                 switch (action)
@@ -140,38 +336,83 @@ 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>
+            public const double BASE_SPEED = 1.0 / 512;
+
             protected override void Update()
             {
                 base.Update();
 
                 if (currentDirection == 0) return;
 
-                float speed = Dashing ? 1.5f : 1;
+                var direction = Math.Sign(currentDirection);
 
-                Scale = new Vector2(Math.Sign(currentDirection), 1);
-                X = (float)MathHelper.Clamp(X + Math.Sign(currentDirection) * Clock.ElapsedFrameTime / 1800 * speed, 0, 1);
+                double dashModifier = Dashing ? 1 : 0.5;
+
+                if (hyperDashModifier != 1 && (HyperDashDirection == 0 || direction == Math.Sign(HyperDashDirection)))
+                    dashModifier = hyperDashModifier;
+
+                Scale = new Vector2(Math.Abs(Scale.X) * direction, Scale.Y);
+                X = (float)MathHelper.Clamp(X + direction * Clock.ElapsedFrameTime * BASE_SPEED * dashModifier, 0, 1);
             }
 
-            public void AddToStack(DrawableHitObject<CatchBaseHit, CatchJudgement> fruit, Vector2 absolutePosition)
+            /// <summary>
+            /// Drop any fruit off the plate.
+            /// </summary>
+            public void Drop()
             {
-                fruit.RelativePositionAxes = Axes.None;
-                fruit.Position = new Vector2(ToLocalSpace(absolutePosition).X - DrawSize.X / 2, 0);
+                var fruit = caughtFruit.ToArray();
 
-                fruit.Anchor = Anchor.TopCentre;
-                fruit.Origin = Anchor.BottomCentre;
-                fruit.Scale *= 0.7f;
-                fruit.LifetimeEnd = double.MaxValue;
-                fruit.Depth = (float)Time.Current;
-
-                float distance = fruit.DrawSize.X / 2 * fruit.Scale.X;
-
-                while (Children.OfType<DrawableFruit>().Any(f => Vector2.DistanceSquared(f.Position, fruit.Position) < distance * distance))
+                foreach (var f in fruit)
                 {
-                    fruit.X += RNG.Next(-5, 5);
-                    fruit.Y -= RNG.Next(0, 5);
-                }
+                    if (ExplodingFruitTarget != null)
+                    {
+                        f.Anchor = Anchor.TopLeft;
+                        f.Position = caughtFruit.ToSpaceOfOtherDrawable(f.DrawPosition, ExplodingFruitTarget);
 
-                Add(fruit);
+                        caughtFruit.Remove(f);
+
+                        ExplodingFruitTarget.Add(f);
+                    }
+
+                    f.MoveToY(f.Y + 75, 750, Easing.InSine);
+                    f.FadeOut(750);
+                    f.Expire();
+                }
+            }
+
+            /// <summary>
+            /// Explode any fruit off the plate.
+            /// </summary>
+            public 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

@@ -0,0 +1,19 @@
+<?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>
+      <dependentAssembly>
+        <assemblyIdentity name="SharpCompress" publicKeyToken="afb0a02973931d96" culture="neutral" />
+        <bindingRedirect oldVersion="0.0.0.0-0.18.1.0" newVersion="0.18.1.0" />
+      </dependentAssembly>
+      <dependentAssembly>
+        <assemblyIdentity name="System.ValueTuple" publicKeyToken="cc7b13ffcd2ddd51" culture="neutral"/>
+        <bindingRedirect oldVersion="0.0.0.0-4.0.2.0" newVersion="4.0.2.0"/>
+      </dependentAssembly>
+    </assemblyBinding>
+  </runtime>
+</configuration>

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

@@ -1,6 +1,6 @@
 <?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')" />
+  <Import Project="..\osu.Game.props" />
   <PropertyGroup>
     <Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
     <Platform Condition=" '$(Platform)' == '' ">AnyCPU</Platform>
@@ -9,7 +9,7 @@
     <AppDesignerFolder>Properties</AppDesignerFolder>
     <RootNamespace>osu.Game.Rulesets.Catch</RootNamespace>
     <AssemblyName>osu.Game.Rulesets.Catch</AssemblyName>
-    <TargetFrameworkVersion>v4.5</TargetFrameworkVersion>
+    <TargetFrameworkVersion>v4.6.1</TargetFrameworkVersion>
     <FileAlignment>512</FileAlignment>
   </PropertyGroup>
   <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
@@ -21,7 +21,6 @@
     <ErrorReport>prompt</ErrorReport>
     <WarningLevel>4</WarningLevel>
     <TreatWarningsAsErrors>false</TreatWarningsAsErrors>
-    <LangVersion>6</LangVersion>
   </PropertyGroup>
   <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' ">
     <DebugType>pdbonly</DebugType>
@@ -33,42 +32,68 @@
     <TreatWarningsAsErrors>false</TreatWarningsAsErrors>
   </PropertyGroup>
   <ItemGroup>
-    <Reference Include="OpenTK, Version=3.0.0.0, Culture=neutral, PublicKeyToken=bad199fe84eb3df4, processorArchitecture=MSIL">
-      <HintPath>$(SolutionDir)\packages\ppy.OpenTK.3.0\lib\net45\OpenTK.dll</HintPath>
+    <Reference Include="nunit.framework, Version=3.8.1.0, Culture=neutral, PublicKeyToken=2638cd05610744eb, processorArchitecture=MSIL">
+      <HintPath>$(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">
+      <HintPath>$(SolutionDir)\packages\ppy.OpenTK.3.0.11\lib\net45\OpenTK.dll</HintPath>
       <Private>True</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="Mods\CatchModDaycore.cs" />
+    <Compile Include="Mods\CatchModDoubleTime.cs" />
+    <Compile Include="Mods\CatchModEasy.cs" />
+    <Compile Include="Mods\CatchModFlashlight.cs" />
+    <Compile Include="Mods\CatchModHalfTime.cs" />
+    <Compile Include="Mods\CatchModHardRock.cs" />
+    <Compile Include="Mods\CatchModHidden.cs" />
+    <Compile Include="Mods\CatchModNightcore.cs" />
+    <Compile Include="Mods\CatchModPerfect.cs" />
+    <Compile Include="Mods\CatchModRelax.cs" />
+    <Compile Include="Mods\CatchModSuddenDeath.cs" />
+    <Compile Include="Mods\CatchModAutoplay.cs" />
+    <Compile Include="Objects\BananaShower.cs" />
+    <Compile Include="Objects\Drawable\DrawableBananaShower.cs" />
+    <Compile Include="Objects\Drawable\DrawableCatchHitObject.cs" />
+    <Compile Include="Objects\Drawable\DrawableDroplet.cs" />
+    <Compile Include="Objects\Drawable\DrawableJuiceStream.cs" />
+    <Compile Include="Objects\Drawable\Pieces\Pulp.cs" />
+    <Compile Include="Objects\JuiceStream.cs" />
+    <Compile Include="Replays\CatchAutoGenerator.cs" />
+    <Compile Include="Replays\CatchFramedReplayInputHandler.cs" />
+    <Compile Include="Replays\CatchReplayFrame.cs" />
     <Compile Include="Scoring\CatchScoreProcessor.cs" />
     <Compile Include="Judgements\CatchJudgement.cs" />
-    <Compile Include="Objects\CatchBaseHit.cs" />
+    <Compile Include="Objects\CatchHitObject.cs" />
     <Compile Include="Objects\Drawable\DrawableFruit.cs" />
     <Compile Include="Objects\Droplet.cs" />
     <Compile Include="Objects\Fruit.cs" />
+    <Compile Include="Objects\TinyDroplet.cs" />
     <Compile Include="Properties\AssemblyInfo.cs" />
+    <Compile Include="Tests\TestCaseBananaShower.cs" />
+    <Compile Include="Tests\TestCaseCatcherArea.cs" />
+    <Compile Include="Tests\TestCaseCatchStacker.cs" />
+    <Compile Include="Tests\TestCaseFruitObjects.cs" />
+    <Compile Include="Tests\TestCasePerformancePoints.cs" />
+    <Compile Include="Tests\TestCaseCatchPlayer.cs" />
+    <Compile Include="Tests\TestCaseHyperdash.cs" />
     <Compile Include="UI\CatcherArea.cs" />
     <Compile Include="UI\CatchRulesetContainer.cs" />
     <Compile Include="UI\CatchPlayfield.cs" />
     <Compile Include="CatchRuleset.cs" />
-    <Compile Include="Mods\CatchMod.cs" />
+    <Compile Include="Mods\CatchModNoFail.cs" />
   </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>
@@ -76,16 +101,17 @@
     <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.Rulesets.Osu\osu.Game.Rulesets.Osu.csproj">
-      <Project>{C92A607B-1FDD-4954-9F92-03FF547D9080}</Project>
-      <Name>osu.Game.Rulesets.Osu</Name>
+      <Private>True</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>True</Private>
     </ProjectReference>
   </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.

osu.Game.Rulesets.Catch/packages.config

@@ -1,9 +1,5 @@
 <?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="ppy.OpenTK" version="3.0" targetFramework="net45" />
+  <package id="NUnit" version="3.8.1" targetFramework="net461" />
+  <package id="ppy.OpenTK" version="3.0.11" targetFramework="net461" />
 </packages>

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

@@ -0,0 +1,33 @@
+// Copyright (c) 2007-2018 ppy Pty Ltd <contact@ppy.sh>.
+// Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
+
+using System.Collections.Generic;
+using System.Linq;
+using osu.Game.Beatmaps;
+using osu.Game.Rulesets.Mania.Objects;
+using osu.Game.Rulesets.Mania.UI;
+
+namespace osu.Game.Rulesets.Mania.Beatmaps
+{
+    public class ManiaBeatmap : Beatmap<ManiaHitObject>
+    {
+        /// <summary>
+        /// The definitions for each stage in a <see cref="ManiaPlayfield"/>.
+        /// </summary>
+        public readonly List<StageDefinition> Stages = new List<StageDefinition>();
+
+        /// <summary>
+        /// Total number of columns represented by all stages in this <see cref="ManiaBeatmap"/>.
+        /// </summary>
+        public int TotalColumns => Stages.Sum(g => g.Columns);
+
+        /// <summary>
+        /// Creates a new <see cref="ManiaBeatmap"/>.
+        /// </summary>
+        /// <param name="initialStage">The initial stage.</param>
+        public ManiaBeatmap(StageDefinition initialStage)
+        {
+            Stages.Add(initialStage);
+        }
+    }
+}

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

@@ -1,9 +1,9 @@
-// Copyright (c) 2007-2017 ppy Pty Ltd <contact@ppy.sh>.
+// Copyright (c) 2007-2018 ppy Pty Ltd <contact@ppy.sh>.
 // Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
 
-using osu.Game.Rulesets.Beatmaps;
 using osu.Game.Rulesets.Mania.Objects;
 using System;
+using System.Linq;
 using System.Collections.Generic;
 using osu.Game.Beatmaps;
 using osu.Game.Rulesets.Objects;
@@ -25,26 +25,40 @@ namespace osu.Game.Rulesets.Mania.Beatmaps
 
         protected override IEnumerable<Type> ValidConversionTypes { get; } = new[] { typeof(IHasXPosition) };
 
+        public int TargetColumns;
+        public readonly bool IsForCurrentRuleset;
+
         private Pattern lastPattern = new Pattern();
         private FastRandom random;
-        private Beatmap beatmap;
 
-        private readonly int availableColumns;
-        private readonly bool isForCurrentRuleset;
+        private ManiaBeatmap beatmap;
 
-        public ManiaBeatmapConverter(bool isForCurrentRuleset, int availableColumns)
+        public ManiaBeatmapConverter(bool isForCurrentRuleset, Beatmap original)
         {
-            if (availableColumns <= 0) throw new ArgumentOutOfRangeException(nameof(availableColumns));
+            IsForCurrentRuleset = isForCurrentRuleset;
 
-            this.isForCurrentRuleset = isForCurrentRuleset;
-            this.availableColumns = availableColumns;
+            var roundedCircleSize = Math.Round(original.BeatmapInfo.BaseDifficulty.CircleSize);
+            var roundedOverallDifficulty = Math.Round(original.BeatmapInfo.BaseDifficulty.OverallDifficulty);
+
+            if (isForCurrentRuleset)
+                TargetColumns = (int)Math.Max(1, roundedCircleSize);
+            else
+            {
+                float percentSliderOrSpinner = (float)original.HitObjects.Count(h => h is IHasEndTime) / original.HitObjects.Count;
+                if (percentSliderOrSpinner < 0.2)
+                    TargetColumns = 7;
+                else if (percentSliderOrSpinner < 0.3 || roundedCircleSize >= 5)
+                    TargetColumns = roundedOverallDifficulty > 5 ? 7 : 6;
+                else if (percentSliderOrSpinner > 0.6)
+                    TargetColumns = roundedOverallDifficulty > 4 ? 5 : 4;
+                else
+                    TargetColumns = Math.Max(4, Math.Min((int)roundedOverallDifficulty + 1, 7));
+            }
         }
 
         protected override Beatmap<ManiaHitObject> ConvertBeatmap(Beatmap original)
         {
-            beatmap = original;
-
-            BeatmapDifficulty difficulty = original.BeatmapInfo.Difficulty;
+            BeatmapDifficulty difficulty = original.BeatmapInfo.BaseDifficulty;
 
             int seed = (int)Math.Round(difficulty.DrainRate + difficulty.CircleSize) * 20 + (int)(difficulty.OverallDifficulty * 41.2) + (int)Math.Round(difficulty.ApproachRate);
             random = new FastRandom(seed);
@@ -52,6 +66,8 @@ namespace osu.Game.Rulesets.Mania.Beatmaps
             return base.ConvertBeatmap(original);
         }
 
+        protected override Beatmap<ManiaHitObject> CreateBeatmap() => beatmap = new ManiaBeatmap(new StageDefinition { Columns = TargetColumns });
+
         protected override IEnumerable<ManiaHitObject> ConvertHitObject(HitObject original, Beatmap beatmap)
         {
             var maniaOriginal = original as ManiaHitObject;
@@ -61,7 +77,7 @@ namespace osu.Game.Rulesets.Mania.Beatmaps
                 yield break;
             }
 
-            var objects = isForCurrentRuleset ? generateSpecific(original) : generateConverted(original);
+            var objects = IsForCurrentRuleset ? generateSpecific(original) : generateConverted(original);
 
             if (objects == null)
                 yield break;
@@ -97,7 +113,7 @@ namespace osu.Game.Rulesets.Mania.Beatmaps
         /// <returns>The hit objects generated.</returns>
         private IEnumerable<ManiaHitObject> generateSpecific(HitObject original)
         {
-            var generator = new SpecificBeatmapPatternGenerator(random, original, beatmap, availableColumns, lastPattern);
+            var generator = new SpecificBeatmapPatternGenerator(random, original, beatmap, lastPattern);
 
             Pattern newPattern = generator.Generate();
             lastPattern = newPattern;
@@ -121,14 +137,14 @@ namespace osu.Game.Rulesets.Mania.Beatmaps
             Patterns.PatternGenerator conversion = null;
 
             if (distanceData != null)
-                conversion = new DistanceObjectPatternGenerator(random, original, beatmap, availableColumns, lastPattern);
+                conversion = new DistanceObjectPatternGenerator(random, original, beatmap, lastPattern);
             else if (endTimeData != null)
-                conversion = new EndTimeObjectPatternGenerator(random, original, beatmap, availableColumns);
+                conversion = new EndTimeObjectPatternGenerator(random, original, beatmap);
             else if (positionData != null)
             {
                 computeDensity(original.StartTime);
 
-                conversion = new HitObjectPatternGenerator(random, original, beatmap, availableColumns, lastPattern, lastTime, lastPosition, density, lastStair);
+                conversion = new HitObjectPatternGenerator(random, original, beatmap, lastPattern, lastTime, lastPosition, density, lastStair);
 
                 recordNote(original.StartTime, positionData.Position);
             }
@@ -139,8 +155,8 @@ namespace osu.Game.Rulesets.Mania.Beatmaps
             Pattern newPattern = conversion.Generate();
             lastPattern = newPattern;
 
-            var stairPatternGenerator = (HitObjectPatternGenerator)conversion;
-            lastStair = stairPatternGenerator.StairType;
+            var stairPatternGenerator = conversion as HitObjectPatternGenerator;
+            lastStair = stairPatternGenerator?.StairType ?? lastStair;
 
             return newPattern.HitObjects;
         }
@@ -150,8 +166,8 @@ namespace osu.Game.Rulesets.Mania.Beatmaps
         /// </summary>
         private class SpecificBeatmapPatternGenerator : Patterns.Legacy.PatternGenerator
         {
-            public SpecificBeatmapPatternGenerator(FastRandom random, HitObject hitObject, Beatmap beatmap, int availableColumns, Pattern previousPattern)
-                : base(random, hitObject, beatmap, availableColumns, previousPattern)
+            public SpecificBeatmapPatternGenerator(FastRandom random, HitObject hitObject, ManiaBeatmap beatmap, Pattern previousPattern)
+                : base(random, hitObject, beatmap, previousPattern)
             {
             }
 
@@ -193,7 +209,7 @@ namespace osu.Game.Rulesets.Mania.Beatmaps
             /// </summary>
             /// <param name="time">The time to retrieve the sample info list from.</param>
             /// <returns></returns>
-            private SampleInfoList sampleInfoListAt(double time)
+            private List<SampleInfo> sampleInfoListAt(double time)
             {
                 var curveData = HitObject as IHasCurve;
 

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

@@ -1,10 +1,10 @@
-// Copyright (c) 2007-2017 ppy Pty Ltd <contact@ppy.sh>.
+// Copyright (c) 2007-2018 ppy Pty Ltd <contact@ppy.sh>.
 // Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
 
 using System;
+using System.Collections.Generic;
 using System.Linq;
 using osu.Game.Audio;
-using osu.Game.Beatmaps;
 using osu.Game.Rulesets.Mania.MathUtils;
 using osu.Game.Rulesets.Objects;
 using osu.Game.Rulesets.Objects.Types;
@@ -29,8 +29,8 @@ namespace osu.Game.Rulesets.Mania.Beatmaps.Patterns.Legacy
 
         private PatternType convertType;
 
-        public DistanceObjectPatternGenerator(FastRandom random, HitObject hitObject, Beatmap beatmap, int availableColumns, Pattern previousPattern)
-            : base(random, hitObject, beatmap, availableColumns, previousPattern)
+        public DistanceObjectPatternGenerator(FastRandom random, HitObject hitObject, ManiaBeatmap beatmap, Pattern previousPattern)
+            : base(random, hitObject, beatmap, previousPattern)
         {
             convertType = PatternType.None;
             if (Beatmap.ControlPointInfo.EffectPointAt(hitObject.StartTime).KiaiMode)
@@ -47,7 +47,7 @@ namespace osu.Game.Rulesets.Mania.Beatmaps.Patterns.Legacy
             // The true distance, accounting for any repeats
             double distance = (distanceData?.Distance ?? 0) * repeatCount;
             // The velocity of the osu! hit object - calculated as the velocity of a slider
-            double osuVelocity = osu_base_scoring_distance * beatmap.BeatmapInfo.Difficulty.SliderMultiplier * difficultyPoint.SpeedMultiplier / timingPoint.BeatLength;
+            double osuVelocity = osu_base_scoring_distance * beatmap.BeatmapInfo.BaseDifficulty.SliderMultiplier * difficultyPoint.SpeedMultiplier / timingPoint.BeatLength;
             // The duration of the osu! hit object
             double osuDuration = distance / osuVelocity;
 
@@ -78,7 +78,7 @@ namespace osu.Game.Rulesets.Mania.Beatmaps.Patterns.Legacy
                 if (duration >= 4000)
                     return generateNRandomNotes(HitObject.StartTime, 0.23, 0, 0);
 
-                if (segmentDuration > 400 && repeatCount < AvailableColumns - 1 - RandomStart)
+                if (segmentDuration > 400 && repeatCount < TotalColumns - 1 - RandomStart)
                     return generateTiledHoldNotes(HitObject.StartTime);
 
                 return generateHoldAndNormalNotes(HitObject.StartTime);
@@ -86,7 +86,7 @@ namespace osu.Game.Rulesets.Mania.Beatmaps.Patterns.Legacy
 
             if (segmentDuration <= 110)
             {
-                if (PreviousPattern.ColumnWithObjects < AvailableColumns)
+                if (PreviousPattern.ColumnWithObjects < TotalColumns)
                     convertType |= PatternType.ForceNotStack;
                 else
                     convertType &= ~PatternType.ForceNotStack;
@@ -134,12 +134,12 @@ namespace osu.Game.Rulesets.Mania.Beatmaps.Patterns.Legacy
 
             var pattern = new Pattern();
 
-            int usableColumns = AvailableColumns - RandomStart - PreviousPattern.ColumnWithObjects;
-            int nextColumn = Random.Next(RandomStart, AvailableColumns);
+            int usableColumns = TotalColumns - RandomStart - PreviousPattern.ColumnWithObjects;
+            int nextColumn = Random.Next(RandomStart, TotalColumns);
             for (int i = 0; i < Math.Min(usableColumns, noteCount); i++)
             {
                 while (pattern.ColumnHasObject(nextColumn) || PreviousPattern.ColumnHasObject(nextColumn))  //find available column
-                    nextColumn = Random.Next(RandomStart, AvailableColumns);
+                    nextColumn = Random.Next(RandomStart, TotalColumns);
                 addToPattern(pattern, nextColumn, startTime, endTime);
             }
 
@@ -147,7 +147,7 @@ namespace osu.Game.Rulesets.Mania.Beatmaps.Patterns.Legacy
             for (int i = 0; i < noteCount - usableColumns; i++)
             {
                 while (pattern.ColumnHasObject(nextColumn))
-                    nextColumn = Random.Next(RandomStart, AvailableColumns);
+                    nextColumn = Random.Next(RandomStart, TotalColumns);
                 addToPattern(pattern, nextColumn, startTime, endTime);
             }
 
@@ -171,10 +171,10 @@ namespace osu.Game.Rulesets.Mania.Beatmaps.Patterns.Legacy
             var pattern = new Pattern();
 
             int nextColumn = GetColumn((HitObject as IHasXPosition)?.X ?? 0, true);
-            if ((convertType & PatternType.ForceNotStack) > 0 && PreviousPattern.ColumnWithObjects < AvailableColumns)
+            if ((convertType & PatternType.ForceNotStack) > 0 && PreviousPattern.ColumnWithObjects < TotalColumns)
             {
                 while (PreviousPattern.ColumnHasObject(nextColumn))
-                    nextColumn = Random.Next(RandomStart, AvailableColumns);
+                    nextColumn = Random.Next(RandomStart, TotalColumns);
             }
 
             int lastColumn = nextColumn;
@@ -182,7 +182,7 @@ namespace osu.Game.Rulesets.Mania.Beatmaps.Patterns.Legacy
             {
                 addToPattern(pattern, nextColumn, startTime, startTime);
                 while (nextColumn == lastColumn)
-                    nextColumn = Random.Next(RandomStart, AvailableColumns);
+                    nextColumn = Random.Next(RandomStart, TotalColumns);
 
                 lastColumn = nextColumn;
                 startTime += segmentDuration;
@@ -220,7 +220,7 @@ namespace osu.Game.Rulesets.Mania.Beatmaps.Patterns.Legacy
                 // Check if we're at the borders of the stage, and invert the pattern if so
                 if (increasing)
                 {
-                    if (column >= AvailableColumns - 1)
+                    if (column >= TotalColumns - 1)
                     {
                         increasing = false;
                         column--;
@@ -258,8 +258,8 @@ namespace osu.Game.Rulesets.Mania.Beatmaps.Patterns.Legacy
 
             var pattern = new Pattern();
 
-            bool legacy = AvailableColumns >= 4 && AvailableColumns <= 8;
-            int interval = Random.Next(1, AvailableColumns - (legacy ? 1 : 0));
+            bool legacy = TotalColumns >= 4 && TotalColumns <= 8;
+            int interval = Random.Next(1, TotalColumns - (legacy ? 1 : 0));
 
             int nextColumn = GetColumn((HitObject as IHasXPosition)?.X ?? 0, true);
             for (int i = 0; i <= repeatCount; i++)
@@ -267,15 +267,15 @@ namespace osu.Game.Rulesets.Mania.Beatmaps.Patterns.Legacy
                 addToPattern(pattern, nextColumn, startTime, startTime);
 
                 nextColumn += interval;
-                if (nextColumn >= AvailableColumns - RandomStart)
-                    nextColumn = nextColumn - AvailableColumns - RandomStart + (legacy ? 1 : 0);
+                if (nextColumn >= TotalColumns - RandomStart)
+                    nextColumn = nextColumn - TotalColumns - RandomStart + (legacy ? 1 : 0);
                 nextColumn += RandomStart;
 
                 // If we're in 2K, let's not add many consecutive doubles
-                if (AvailableColumns > 2)
+                if (TotalColumns > 2)
                     addToPattern(pattern, nextColumn, startTime, startTime);
 
-                nextColumn = Random.Next(RandomStart, AvailableColumns);
+                nextColumn = Random.Next(RandomStart, TotalColumns);
                 startTime += segmentDuration;
             }
 
@@ -297,7 +297,7 @@ namespace osu.Game.Rulesets.Mania.Beatmaps.Patterns.Legacy
             // □ - □ □
             // ■ - ■ ■
 
-            switch (AvailableColumns)
+            switch (TotalColumns)
             {
                 case 2:
                     p2 = 0;
@@ -321,7 +321,7 @@ namespace osu.Game.Rulesets.Mania.Beatmaps.Patterns.Legacy
                     break;
             }
 
-            Func<SampleInfo, bool> isDoubleSample = sample => sample.Name == SampleInfo.HIT_CLAP && sample.Name == SampleInfo.HIT_FINISH;
+            bool isDoubleSample(SampleInfo sample) => sample.Name == SampleInfo.HIT_CLAP && sample.Name == SampleInfo.HIT_FINISH;
 
             bool canGenerateTwoNotes = (convertType & PatternType.LowProbability) == 0;
             canGenerateTwoNotes &= HitObject.Samples.Any(isDoubleSample) || sampleInfoListAt(HitObject.StartTime).Any(isDoubleSample);
@@ -350,19 +350,19 @@ namespace osu.Game.Rulesets.Mania.Beatmaps.Patterns.Legacy
 
             var pattern = new Pattern();
 
-            int columnRepeat = Math.Min(repeatCount, AvailableColumns);
+            int columnRepeat = Math.Min(repeatCount, TotalColumns);
 
             int nextColumn = GetColumn((HitObject as IHasXPosition)?.X ?? 0, true);
-            if ((convertType & PatternType.ForceNotStack) > 0 && PreviousPattern.ColumnWithObjects < AvailableColumns)
+            if ((convertType & PatternType.ForceNotStack) > 0 && PreviousPattern.ColumnWithObjects < TotalColumns)
             {
                 while (PreviousPattern.ColumnHasObject(nextColumn))
-                    nextColumn = Random.Next(RandomStart, AvailableColumns);
+                    nextColumn = Random.Next(RandomStart, TotalColumns);
             }
 
             for (int i = 0; i < columnRepeat; i++)
             {
                 while (pattern.ColumnHasObject(nextColumn))
-                    nextColumn = Random.Next(RandomStart, AvailableColumns);
+                    nextColumn = Random.Next(RandomStart, TotalColumns);
 
                 addToPattern(pattern, nextColumn, startTime, endTime);
                 startTime += segmentDuration;
@@ -387,10 +387,10 @@ namespace osu.Game.Rulesets.Mania.Beatmaps.Patterns.Legacy
             var pattern = new Pattern();
 
             int holdColumn = GetColumn((HitObject as IHasXPosition)?.X ?? 0, true);
-            if ((convertType & PatternType.ForceNotStack) > 0 && PreviousPattern.ColumnWithObjects < AvailableColumns)
+            if ((convertType & PatternType.ForceNotStack) > 0 && PreviousPattern.ColumnWithObjects < TotalColumns)
             {
                 while (PreviousPattern.ColumnHasObject(holdColumn))
-                    holdColumn = Random.Next(RandomStart, AvailableColumns);
+                    holdColumn = Random.Next(RandomStart, TotalColumns);
             }
 
             // Create the hold note
@@ -400,13 +400,13 @@ namespace osu.Game.Rulesets.Mania.Beatmaps.Patterns.Legacy
             if (ConversionDifficulty > 6.5)
                 noteCount = GetRandomNoteCount(0.63, 0);
             else if (ConversionDifficulty > 4)
-                noteCount = GetRandomNoteCount(AvailableColumns < 6 ? 0.12 : 0.45, 0);
+                noteCount = GetRandomNoteCount(TotalColumns < 6 ? 0.12 : 0.45, 0);
             else if (ConversionDifficulty > 2.5)
-                noteCount = GetRandomNoteCount(AvailableColumns < 6 ? 0 : 0.24, 0);
-            noteCount = Math.Min(AvailableColumns - 1, noteCount);
+                noteCount = GetRandomNoteCount(TotalColumns < 6 ? 0 : 0.24, 0);
+            noteCount = Math.Min(TotalColumns - 1, noteCount);
 
             bool ignoreHead = !sampleInfoListAt(startTime).Any(s => s.Name == SampleInfo.HIT_WHISTLE || s.Name == SampleInfo.HIT_FINISH || s.Name == SampleInfo.HIT_CLAP);
-            int nextColumn = Random.Next(RandomStart, AvailableColumns);
+            int nextColumn = Random.Next(RandomStart, TotalColumns);
 
             var rowPattern = new Pattern();
             for (int i = 0; i <= repeatCount; i++)
@@ -416,7 +416,7 @@ namespace osu.Game.Rulesets.Mania.Beatmaps.Patterns.Legacy
                     for (int j = 0; j < noteCount; j++)
                     {
                         while (rowPattern.ColumnHasObject(nextColumn) || nextColumn == holdColumn)
-                            nextColumn = Random.Next(RandomStart, AvailableColumns);
+                            nextColumn = Random.Next(RandomStart, TotalColumns);
                         addToPattern(rowPattern, nextColumn, startTime, startTime);
                     }
                 }
@@ -435,7 +435,7 @@ namespace osu.Game.Rulesets.Mania.Beatmaps.Patterns.Legacy
         /// </summary>
         /// <param name="time">The time to retrieve the sample info list from.</param>
         /// <returns></returns>
-        private SampleInfoList sampleInfoListAt(double time)
+        private List<SampleInfo> sampleInfoListAt(double time)
         {
             var curveData = HitObject as IHasCurve;
 

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

@@ -1,7 +1,7 @@
-// Copyright (c) 2007-2017 ppy Pty Ltd <contact@ppy.sh>.
+// Copyright (c) 2007-2018 ppy Pty Ltd <contact@ppy.sh>.
 // Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
 
-using osu.Game.Beatmaps;
+using System.Collections.Generic;
 using osu.Game.Rulesets.Mania.MathUtils;
 using osu.Game.Rulesets.Objects;
 using osu.Game.Rulesets.Objects.Types;
@@ -15,8 +15,8 @@ namespace osu.Game.Rulesets.Mania.Beatmaps.Patterns.Legacy
     {
         private readonly double endTime;
 
-        public EndTimeObjectPatternGenerator(FastRandom random, HitObject hitObject, Beatmap beatmap, int availableColumns)
-            : base(random, hitObject, beatmap, availableColumns, new Pattern())
+        public EndTimeObjectPatternGenerator(FastRandom random, HitObject hitObject, ManiaBeatmap beatmap)
+            : base(random, hitObject, beatmap, new Pattern())
         {
             var endtimeData = HitObject as IHasEndTime;
 
@@ -29,14 +29,14 @@ namespace osu.Game.Rulesets.Mania.Beatmaps.Patterns.Legacy
 
             bool generateHold = endTime - HitObject.StartTime >= 100;
 
-            if (AvailableColumns == 8)
+            if (TotalColumns == 8)
             {
                 if (HitObject.Samples.Any(s => s.Name == SampleInfo.HIT_FINISH) && endTime - HitObject.StartTime < 1000)
                     addToPattern(pattern, 0, generateHold);
                 else
                     addToPattern(pattern, getNextRandomColumn(RandomStart), generateHold);
             }
-            else if (AvailableColumns > 0)
+            else if (TotalColumns > 0)
                 addToPattern(pattern, getNextRandomColumn(0), generateHold);
 
             return pattern;
@@ -49,10 +49,10 @@ namespace osu.Game.Rulesets.Mania.Beatmaps.Patterns.Legacy
         /// <returns>A random column after <paramref name="start"/>.</returns>
         private int getNextRandomColumn(int start)
         {
-            int nextColumn = Random.Next(start, AvailableColumns);
+            int nextColumn = Random.Next(start, TotalColumns);
 
             while (PreviousPattern.ColumnHasObject(nextColumn))
-                nextColumn = Random.Next(start, AvailableColumns);
+                nextColumn = Random.Next(start, TotalColumns);
 
             return nextColumn;
         }
@@ -76,10 +76,10 @@ namespace osu.Game.Rulesets.Mania.Beatmaps.Patterns.Legacy
                     Duration = endTime - HitObject.StartTime
                 };
 
-                hold.Head.Samples.Add(new SampleInfo
-                {
-                    Name = SampleInfo.HIT_NORMAL
-                });
+                if (hold.Head.Samples == null)
+                    hold.Head.Samples = new List<SampleInfo>();
+
+                hold.Head.Samples.Add(new SampleInfo { Name = SampleInfo.HIT_NORMAL });
 
                 hold.Tail.Samples = HitObject.Samples;