Merge branch 'master' into DrabWeb/song-progress-graph

# Conflicts: # osu.Desktop.VisualTests/osu.Desktop.VisualTests.csproj # osu.Game/Overlays/Pause/PauseProgressBar.cs # osu.Game/Overlays/Pause/PauseProgressGraph.cs # osu.Game/osu.Game.csproj
2024-09-22 10:07:36 +08:00 · 2017-03-02 20:20:27 +09:00 · 2017-03-02 20:20:27 +09:00 · 435e845067
commit 435e845067
parent c61052d62e d74a601180
375 changed files with 9554 additions and 3825 deletions
--- a/.editorconfig
+++ b/.editorconfig
@ -7,3 +7,21 @@ insert_final_newline = true
 indent_style = space
 indent_size = 4
 trim_trailing_whitespace = true
+
+#Roslyn naming styles
+
+#PascalCase for public and protected members
+dotnet_naming_style.pascalcase.capitalization = pascal_case
+dotnet_naming_symbols.public_members.applicable_accessibilities = public,internal,protected,protected_internal
+dotnet_naming_symbols.public_members.applicable_kinds = property,method,field,event,delegate
+dotnet_naming_rule.public_members_pascalcase.severity = suggestion
+dotnet_naming_rule.public_members_pascalcase.symbols = public_members
+dotnet_naming_rule.public_members_pascalcase.style = pascalcase
+
+#camelCase for private members
+dotnet_naming_style.camelcase.capitalization = camel_case
+dotnet_naming_symbols.private_members.applicable_accessibilities = private
+dotnet_naming_symbols.private_members.applicable_kinds = property,method,field,event,delegate
+dotnet_naming_rule.private_members_camelcase.severity = suggestion
+dotnet_naming_rule.private_members_camelcase.symbols = private_members
+dotnet_naming_rule.private_members_camelcase.style = camelcase
--- a/.gitignore
+++ b/.gitignore
@ -11,7 +11,7 @@
 *.userprefs

 # Build results
-[Dd]ebug/
+bin/[Dd]ebug/
 [Dd]ebugPublic/
 [Rr]elease/
 [Rr]eleases/
@ -256,3 +256,4 @@ paket-files/
 # Python Tools for Visual Studio (PTVS)
 __pycache__/
 *.pyc
+Staging/
--- a/4
+++ b/4
@ -1,6 +1,4 @@
-The MIT License
-
-Copyright (c) 2007-2016 ppy Pty Ltd <contact@ppy.sh>.
+Copyright (c) 2007-2017 ppy Pty Ltd <contact@ppy.sh>.

 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal
--- a/2
+++ b/2
@ -1 +1 @@
-Subproject commit 5906ae1e16802fd4e04a6e9ceefdbd1a95de8b9e
+Subproject commit 5dbb4a5134dacb2e98ab8f2af219039a72bd32e6
--- a/2
+++ b/2
@ -1 +1 @@
-Subproject commit c03414fd4e9ffd99ab5641ac9a15ee21f3976b55
+Subproject commit 51f2b9b37f38cd349a3dd728a78f8fffcb3a54f5
--- a/osu.Desktop.Deploy/App.config
+++ b/osu.Desktop.Deploy/App.config
@ -0,0 +1,32 @@
+<?xml version="1.0" encoding="utf-8"?>
+<configuration>
+  <appSettings>
+    <add key="StagingFolder" value="Staging" />
+    <add key="ReleasesFolder" value="Releases" />
+    <add key="GitHubAccessToken" value="" />
+    <add key="GitHubUsername" value="ppy" />
+    <add key="GitHubRepoName" value="osu" />
+    <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="PackageName" value="osulazer" />
+    <add key="IconName" value="lazer.ico" />
+    <add key="CodeSigningCertificate" value="" />
+  </appSettings>
+  <startup>
+    <supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.5.2" />
+  </startup>
+  <runtime>
+    <assemblyBinding xmlns="urn:schemas-microsoft-com:asm.v1">
+      <dependentAssembly>
+        <assemblyIdentity name="Newtonsoft.Json" publicKeyToken="30ad4fe6b2a6aeed" culture="neutral" />
+        <bindingRedirect oldVersion="0.0.0.0-9.0.0.0" newVersion="9.0.0.0" />
+      </dependentAssembly>
+      <dependentAssembly>
+        <assemblyIdentity name="DeltaCompressionDotNet.MsDelta" publicKeyToken="46b2138a390abf55" culture="neutral" />
+        <bindingRedirect oldVersion="0.0.0.0-1.1.0.0" newVersion="1.1.0.0" />
+      </dependentAssembly>
+    </assemblyBinding>
+  </runtime>
+</configuration>
--- a/osu.Desktop.Deploy/GitHubObject.cs
+++ b/osu.Desktop.Deploy/GitHubObject.cs
@ -0,0 +1,13 @@
+using Newtonsoft.Json;
+
+namespace osu.Desktop.Deploy
+{
+    internal class GitHubObject
+    {
+        [JsonProperty(@"id")]
+        public int Id;
+
+        [JsonProperty(@"name")]
+        public string Name;
+    }
+}
--- a/osu.Desktop.Deploy/GitHubRelease.cs
+++ b/osu.Desktop.Deploy/GitHubRelease.cs
@ -0,0 +1,25 @@
+using Newtonsoft.Json;
+
+namespace osu.Desktop.Deploy
+{
+    internal class GitHubRelease
+    {
+        [JsonProperty(@"id")]
+        public int Id;
+
+        [JsonProperty(@"tag_name")]
+        public string TagName => $"v{Name}";
+
+        [JsonProperty(@"name")]
+        public string Name;
+
+        [JsonProperty(@"draft")]
+        public bool Draft;
+
+        [JsonProperty(@"prerelease")]
+        public bool PreRelease;
+
+        [JsonProperty(@"upload_url")]
+        public string UploadUrl;
+    }
+}
--- a/osu.Desktop.Deploy/Program.cs
+++ b/osu.Desktop.Deploy/Program.cs
@ -0,0 +1,420 @@
+// Copyright (c) 2007-2017 ppy Pty Ltd <contact@ppy.sh>.
+// Licensed under the MIT Licence - https://raw.GitHubusercontent.com/ppy/osu-framework/master/LICENCE
+
+using System;
+using System.Collections.Generic;
+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;
+using WebRequest = osu.Framework.IO.Network.WebRequest;
+
+namespace osu.Desktop.Deploy
+{
+    internal static class Program
+    {
+        private const string nuget_path = @"packages\NuGet.CommandLine.3.5.0\tools\NuGet.exe";
+        private const string squirrel_path = @"packages\squirrel.windows.1.5.2\tools\Squirrel.exe";
+        private const string msbuild_path = @"C:\Program Files (x86)\MSBuild\14.0\Bin\MSBuild.exe";
+
+        public static string StagingFolder = ConfigurationManager.AppSettings["StagingFolder"];
+        public static string ReleasesFolder = ConfigurationManager.AppSettings["ReleasesFolder"];
+        public static string GitHubAccessToken = ConfigurationManager.AppSettings["GitHubAccessToken"];
+        public static string GitHubUsername = ConfigurationManager.AppSettings["GitHubUsername"];
+        public static string GitHubRepoName = ConfigurationManager.AppSettings["GitHubRepoName"];
+        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 PackageName = ConfigurationManager.AppSettings["PackageName"];
+        public static string IconName = ConfigurationManager.AppSettings["IconName"];
+        public static string CodeSigningCertificate = ConfigurationManager.AppSettings["CodeSigningCertificate"];
+
+        public static string GitHubApiEndpoint => $"https://api.github.com/repos/{GitHubUsername}/{GitHubRepoName}/releases";
+        public static string GitHubReleasePage => $"https://github.com/{GitHubUsername}/{GitHubRepoName}/releases";
+
+        /// <summary>
+        /// How many previous build deltas we want to keep when publishing.
+        /// </summary>
+        const int keep_delta_count = 3;
+
+        private static string codeSigningCmd => string.IsNullOrEmpty(codeSigningPassword) ? "" : $"-n \"/a /f {codeSigningCertPath} /p {codeSigningPassword} /t http://timestamp.comodoca.com/authenticode\"";
+
+        private static string homeDir => Environment.GetFolderPath(Environment.SpecialFolder.UserProfile);
+        private static string codeSigningCertPath => Path.Combine(homeDir, CodeSigningCertificate);
+        private static string solutionPath => Environment.CurrentDirectory;
+        private static string stagingPath => Path.Combine(solutionPath, StagingFolder);
+        private static string iconPath => Path.Combine(solutionPath, ProjectName, IconName);
+
+        private static string nupkgFilename(string ver) => $"{PackageName}.{ver}.nupkg";
+        private static string nupkgDistroFilename(string ver) => $"{PackageName}-{ver}-full.nupkg";
+
+        private static Stopwatch sw = new Stopwatch();
+
+        private static string codeSigningPassword;
+
+        public static void Main(string[] args)
+        {
+            displayHeader();
+
+            findSolutionPath();
+
+            if (!Directory.Exists(ReleasesFolder))
+            {
+                write("WARNING: No release directory found. Make sure you want this!", ConsoleColor.Yellow);
+                Directory.CreateDirectory(ReleasesFolder);
+            }
+
+            checkGitHubReleases();
+
+            refreshDirectory(StagingFolder);
+
+            //increment build number until we have a unique one.
+            string verBase = DateTime.Now.ToString("yyyy.Mdd.");
+            int increment = 0;
+            while (Directory.GetFiles(ReleasesFolder, $"*{verBase}{increment}*").Any())
+                increment++;
+
+            string version = $"{verBase}{increment}";
+
+            Console.ForegroundColor = ConsoleColor.White;
+            Console.Write($"Ready to deploy {version}: ");
+            Console.ReadLine();
+
+            sw.Start();
+
+            if (!string.IsNullOrEmpty(CodeSigningCertificate))
+            {
+                Console.Write("Enter code signing password: ");
+                codeSigningPassword = readLineMasked();
+            }
+
+            write("Restoring NuGet packages...");
+            runCommand(nuget_path, "restore " + solutionPath);
+
+            write("Updating AssemblyInfo...");
+            updateAssemblyInfo(version);
+
+            write("Running build process...");
+            runCommand(msbuild_path, $"/v:quiet /m /t:{TargetName.Replace('.', '_')} /p:OutputPath={stagingPath};Configuration=Release {SolutionName}.sln");
+
+            write("Creating NuGet deployment package...");
+            runCommand(nuget_path, $"pack {NuSpecName} -Version {version} -Properties Configuration=Deploy -OutputDirectory {stagingPath} -BasePath {stagingPath}");
+
+            //prune once before checking for files so we can avoid erroring on files which aren't even needed for this build.
+            pruneReleases();
+
+            checkReleaseFiles();
+
+            write("Running squirrel build...");
+            runCommand(squirrel_path, $"--releasify {stagingPath}\\{nupkgFilename(version)} --setupIcon {iconPath} --icon {iconPath} {codeSigningCmd} --no-msi");
+
+            //prune again to clean up before upload.
+            pruneReleases();
+
+            //rename setup to install.
+            File.Copy(Path.Combine(ReleasesFolder, "Setup.exe"), Path.Combine(ReleasesFolder, "install.exe"), true);
+            File.Delete(Path.Combine(ReleasesFolder, "Setup.exe"));
+
+            uploadBuild(version);
+
+            //reset assemblyinfo.
+            updateAssemblyInfo("0.0.0");
+
+            write("Done!", ConsoleColor.White);
+            Console.ReadLine();
+        }
+
+        private static void displayHeader()
+        {
+            Console.ForegroundColor = ConsoleColor.Red;
+            Console.WriteLine();
+            Console.WriteLine("  Please note that OSU! and PPY are registered trademarks and as such covered by trademark law.");
+            Console.WriteLine("  Do not distribute builds of this project publicly that make use of these.");
+            Console.ResetColor();
+            Console.WriteLine();
+        }
+
+        /// <summary>
+        /// Ensure we have all the files in the release directory which are expected to be there.
+        /// This should have been accounted for in earlier steps, and just serves as a verification step.
+        /// </summary>
+        private static void checkReleaseFiles()
+        {
+            var releaseLines = getReleaseLines();
+
+            //ensure we have all files necessary
+            foreach (var l in releaseLines)
+                if (!File.Exists(Path.Combine(ReleasesFolder, l.Filename)))
+                    error($"Local file missing {l.Filename}");
+        }
+
+        private static IEnumerable<ReleaseLine> getReleaseLines() => File.ReadAllLines(Path.Combine(ReleasesFolder, "RELEASES")).Select(l => new ReleaseLine(l));
+
+        private static void pruneReleases()
+        {
+            write("Pruning RELEASES...");
+
+            var releaseLines = getReleaseLines().ToList();
+
+            var fulls = releaseLines.Where(l => l.Filename.Contains("-full")).Reverse().Skip(1);
+
+            //remove any FULL releases (except most recent)
+            foreach (var l in fulls)
+            {
+                write($"- Removing old release {l.Filename}", ConsoleColor.Yellow);
+                File.Delete(Path.Combine(ReleasesFolder, l.Filename));
+                releaseLines.Remove(l);
+            }
+
+            //remove excess deltas
+            var deltas = releaseLines.Where(l => l.Filename.Contains("-delta"));
+            if (deltas.Count() > keep_delta_count)
+            {
+                foreach (var l in deltas.Take(deltas.Count() - keep_delta_count))
+                {
+                    write($"- Removing old delta {l.Filename}", ConsoleColor.Yellow);
+                    File.Delete(Path.Combine(ReleasesFolder, l.Filename));
+                    releaseLines.Remove(l);
+                }
+            }
+
+            var lines = new List<string>();
+            releaseLines.ForEach(l => lines.Add(l.ToString()));
+            File.WriteAllLines(Path.Combine(ReleasesFolder, "RELEASES"), lines);
+        }
+
+        private static void uploadBuild(string version)
+        {
+            if (string.IsNullOrEmpty(GitHubAccessToken) || string.IsNullOrEmpty(codeSigningCertPath))
+                return;
+
+            write("Publishing to GitHub...");
+
+            write($"- Creating release {version}...", ConsoleColor.Yellow);
+            var req = new JsonWebRequest<GitHubRelease>($"{GitHubApiEndpoint}")
+            {
+                Method = HttpMethod.POST
+            };
+            req.AddRaw(JsonConvert.SerializeObject(new GitHubRelease
+            {
+                Name = version,
+                Draft = true,
+                PreRelease = true
+            }));
+            req.AuthenticatedBlockingPerform();
+
+            var assetUploadUrl = req.ResponseObject.UploadUrl.Replace("{?name,label}", "?name={0}");
+            foreach (var a in Directory.GetFiles(ReleasesFolder).Reverse()) //reverse to upload RELEASES first.
+            {
+                write($"- Adding asset {a}...", ConsoleColor.Yellow);
+                var upload = new WebRequest(assetUploadUrl, Path.GetFileName(a))
+                {
+                    Method = HttpMethod.POST,
+                    ContentType = "application/octet-stream",
+                };
+
+                upload.AddRaw(File.ReadAllBytes(a));
+                upload.AuthenticatedBlockingPerform();
+            }
+
+            openGitHubReleasePage();
+        }
+
+        private static void openGitHubReleasePage() => Process.Start(GitHubReleasePage);
+
+        private static void checkGitHubReleases()
+        {
+            write("Checking GitHub releases...");
+            var req = new JsonWebRequest<List<GitHubRelease>>($"{GitHubApiEndpoint}");
+            req.AuthenticatedBlockingPerform();
+
+            var lastRelease = req.ResponseObject.FirstOrDefault();
+
+            if (lastRelease == null)
+                return;
+
+            if (lastRelease.Draft)
+            {
+                openGitHubReleasePage();
+                error("There's a pending draft release! You probably don't want to push a build with this present.");
+            }
+
+            //there's a previous release for this project.
+            var assetReq = new JsonWebRequest<List<GitHubObject>>($"{GitHubApiEndpoint}/{lastRelease.Id}/assets");
+            assetReq.AuthenticatedBlockingPerform();
+            var assets = assetReq.ResponseObject;
+
+            //make sure our RELEASES file is the same as the last build on the server.
+            var releaseAsset = assets.FirstOrDefault(a => a.Name == "RELEASES");
+
+            //if we don't have a RELEASES asset then the previous release likely wasn't a Squirrel one.
+            if (releaseAsset == null) return;
+
+            write($"Last GitHub release was {lastRelease.Name}.");
+
+            bool requireDownload = false;
+
+            if (!File.Exists(Path.Combine(ReleasesFolder, nupkgDistroFilename(lastRelease.Name))))
+            {
+                write("Last verion's package not found locally.", ConsoleColor.Red);
+                requireDownload = true;
+            }
+            else
+            {
+                var lastReleases = new RawFileWebRequest($"{GitHubApiEndpoint}/assets/{releaseAsset.Id}");
+                lastReleases.AuthenticatedBlockingPerform();
+                if (File.ReadAllText(Path.Combine(ReleasesFolder, "RELEASES")) != lastReleases.ResponseString)
+                {
+                    write("Server's RELEASES differed from ours.", ConsoleColor.Red);
+                    requireDownload = true;
+                }
+            }
+
+            if (!requireDownload) return;
+
+            write("Refreshing local releases directory...");
+            refreshDirectory(ReleasesFolder);
+
+            foreach (var a in assets)
+            {
+                write($"- Downloading {a.Name}...", ConsoleColor.Yellow);
+                new FileWebRequest(Path.Combine(ReleasesFolder, a.Name), $"{GitHubApiEndpoint}/assets/{a.Id}").AuthenticatedBlockingPerform();
+            }
+        }
+
+        private static void refreshDirectory(string directory)
+        {
+            if (Directory.Exists(directory))
+                Directory.Delete(directory, true);
+            Directory.CreateDirectory(directory);
+        }
+
+        private static void updateAssemblyInfo(string version)
+        {
+            string file = Path.Combine(ProjectName, "Properties", "AssemblyInfo.cs");
+
+            var l1 = File.ReadAllLines(file);
+            List<string> l2 = new List<string>();
+            foreach (var l in l1)
+            {
+                if (l.StartsWith("[assembly: AssemblyVersion("))
+                    l2.Add($"[assembly: AssemblyVersion(\"{version}\")]");
+                else if (l.StartsWith("[assembly: AssemblyFileVersion("))
+                    l2.Add($"[assembly: AssemblyFileVersion(\"{version}\")]");
+                else
+                    l2.Add(l);
+            }
+
+            File.WriteAllLines(file, l2);
+        }
+
+        /// <summary>
+        /// Find the base path of the active solution (git checkout location)
+        /// </summary>
+        private static void findSolutionPath()
+        {
+            string path = Path.GetDirectoryName(Environment.CommandLine.Replace("\"", "").Trim());
+
+            if (string.IsNullOrEmpty(path))
+                path = Environment.CurrentDirectory;
+
+            while (!File.Exists(Path.Combine(path, $"{SolutionName}.sln")))
+                path = path.Remove(path.LastIndexOf('\\'));
+            path += "\\";
+
+            Environment.CurrentDirectory = path;
+        }
+
+        private static bool runCommand(string command, string args)
+        {
+            var psi = new ProcessStartInfo(command, args)
+            {
+                WorkingDirectory = solutionPath,
+                CreateNoWindow = true,
+                RedirectStandardOutput = true,
+                UseShellExecute = false,
+                WindowStyle = ProcessWindowStyle.Hidden
+            };
+
+            Process p = Process.Start(psi);
+            string output = p.StandardOutput.ReadToEnd();
+            if (p.ExitCode == 0) return true;
+
+            write(output);
+            error($"Command {command} {args} failed!");
+            return false;
+        }
+
+        private static string readLineMasked()
+        {
+            var fg = Console.ForegroundColor;
+            Console.ForegroundColor = Console.BackgroundColor;
+            var ret = Console.ReadLine();
+            Console.ForegroundColor = fg;
+
+            return ret;
+        }
+
+        private static void error(string message)
+        {
+            Console.ForegroundColor = ConsoleColor.Red;
+            Console.WriteLine($"FATAL ERROR: {message}");
+
+            Console.ReadLine();
+            Environment.Exit(-1);
+        }
+
+        private static void write(string message, ConsoleColor col = ConsoleColor.Gray)
+        {
+            if (sw.ElapsedMilliseconds > 0)
+            {
+                Console.ForegroundColor = ConsoleColor.Green;
+                Console.Write(sw.ElapsedMilliseconds.ToString().PadRight(8));
+            }
+            Console.ForegroundColor = col;
+            Console.WriteLine(message);
+        }
+
+        public static void AuthenticatedBlockingPerform(this WebRequest r)
+        {
+            r.AddHeader("Authorization", $"token {GitHubAccessToken}");
+            r.BlockingPerform();
+        }
+    }
+
+    internal class RawFileWebRequest : WebRequest
+    {
+        public RawFileWebRequest(string url) : base(url)
+        {
+        }
+
+        protected override HttpWebRequest CreateWebRequest(string requestString = null)
+        {
+            var req = base.CreateWebRequest(requestString);
+            req.Accept = "application/octet-stream";
+            return req;
+        }
+    }
+
+    internal class ReleaseLine
+    {
+        public string Hash;
+        public string Filename;
+        public int Filesize;
+
+        public ReleaseLine(string line)
+        {
+            var split = line.Split(' ');
+            Hash = split[0];
+            Filename = split[1];
+            Filesize = int.Parse(split[2]);
+        }
+
+        public override string ToString() => $"{Hash} {Filename} {Filesize}";
+    }
+}
--- a/osu.Desktop.Deploy/Properties/AssemblyInfo.cs
+++ b/osu.Desktop.Deploy/Properties/AssemblyInfo.cs
@ -0,0 +1,35 @@
+using System.Reflection;
+using System.Runtime.InteropServices;
+
+// General Information about an assembly is controlled through the following 
+// set of attributes. Change these attribute values to modify the information
+// associated with an assembly.
+[assembly: AssemblyTitle("osu.Desktop.Deploy")]
+[assembly: AssemblyDescription("")]
+[assembly: AssemblyConfiguration("")]
+[assembly: AssemblyCompany("")]
+[assembly: AssemblyProduct("osu.Desktop.Deploy")]
+[assembly: AssemblyCopyright("Copyright ©  2017")]
+[assembly: AssemblyTrademark("")]
+[assembly: AssemblyCulture("")]
+
+// Setting ComVisible to false makes the types in this assembly not visible 
+// to COM components.  If you need to access a type in this assembly from 
+// COM, set the ComVisible attribute to true on that type.
+[assembly: ComVisible(false)]
+
+// The following GUID is for the ID of the typelib if this project is exposed to COM
+[assembly: Guid("baea2f74-0315-4667-84e0-acac0b4bf785")]
+
+// Version information for an assembly consists of the following four values:
+//
+//      Major Version
+//      Minor Version 
+//      Build Number
+//      Revision
+//
+// You can specify all the values or you can default the Build and Revision Numbers 
+// by using the '*' as shown below:
+// [assembly: AssemblyVersion("1.0.*")]
+[assembly: AssemblyVersion("1.0.0.0")]
+[assembly: AssemblyFileVersion("1.0.0.0")]
--- a/osu.Desktop.Deploy/osu.Desktop.Deploy.csproj
+++ b/osu.Desktop.Deploy/osu.Desktop.Deploy.csproj
@ -0,0 +1,125 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project ToolsVersion="14.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <Import Project="$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props" Condition="Exists('$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props')" />
+  <PropertyGroup>
+    <Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
+    <Platform Condition=" '$(Platform)' == '' ">AnyCPU</Platform>
+    <ProjectGuid>{BAEA2F74-0315-4667-84E0-ACAC0B4BF785}</ProjectGuid>
+    <OutputType>Exe</OutputType>
+    <AppDesignerFolder>Properties</AppDesignerFolder>
+    <RootNamespace>osu.Desktop.Deploy</RootNamespace>
+    <AssemblyName>osu.Desktop.Deploy</AssemblyName>
+    <TargetFrameworkVersion>v4.5.2</TargetFrameworkVersion>
+    <FileAlignment>512</FileAlignment>
+    <AutoGenerateBindingRedirects>true</AutoGenerateBindingRedirects>
+  </PropertyGroup>
+  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
+    <PlatformTarget>AnyCPU</PlatformTarget>
+    <DebugSymbols>true</DebugSymbols>
+    <DebugType>full</DebugType>
+    <Optimize>false</Optimize>
+    <OutputPath>bin\Debug\</OutputPath>
+    <DefineConstants>DEBUG;TRACE</DefineConstants>
+    <ErrorReport>prompt</ErrorReport>
+    <WarningLevel>4</WarningLevel>
+  </PropertyGroup>
+  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' ">
+    <PlatformTarget>AnyCPU</PlatformTarget>
+    <DebugType>pdbonly</DebugType>
+    <Optimize>true</Optimize>
+    <OutputPath>bin\Release\</OutputPath>
+    <DefineConstants>TRACE</DefineConstants>
+    <ErrorReport>prompt</ErrorReport>
+    <WarningLevel>4</WarningLevel>
+  </PropertyGroup>
+  <PropertyGroup>
+    <StartupObject>osu.Desktop.Deploy.Program</StartupObject>
+  </PropertyGroup>
+  <ItemGroup>
+    <Reference Include="DeltaCompressionDotNet, Version=1.1.0.0, Culture=neutral, PublicKeyToken=1d14d6e5194e7f4a, processorArchitecture=MSIL">
+      <HintPath>$(SolutionDir)\packages\DeltaCompressionDotNet.1.1.0\lib\net20\DeltaCompressionDotNet.dll</HintPath>
+      <Private>True</Private>
+    </Reference>
+    <Reference Include="DeltaCompressionDotNet.MsDelta, Version=1.1.0.0, Culture=neutral, PublicKeyToken=46b2138a390abf55, processorArchitecture=MSIL">
+      <HintPath>$(SolutionDir)\packages\DeltaCompressionDotNet.1.1.0\lib\net20\DeltaCompressionDotNet.MsDelta.dll</HintPath>
+      <Private>True</Private>
+    </Reference>
+    <Reference Include="DeltaCompressionDotNet.PatchApi, Version=1.1.0.0, Culture=neutral, PublicKeyToken=3e8888ee913ed789, processorArchitecture=MSIL">
+      <HintPath>$(SolutionDir)\packages\DeltaCompressionDotNet.1.1.0\lib\net20\DeltaCompressionDotNet.PatchApi.dll</HintPath>
+      <Private>True</Private>
+    </Reference>
+    <Reference Include="ICSharpCode.SharpZipLib, Version=0.86.0.518, Culture=neutral, processorArchitecture=MSIL">
+      <HintPath>$(SolutionDir)\packages\squirrel.windows.1.5.2\lib\Net45\ICSharpCode.SharpZipLib.dll</HintPath>
+      <Private>True</Private>
+    </Reference>
+    <Reference Include="Mono.Cecil, Version=0.9.6.0, Culture=neutral, PublicKeyToken=0738eb9f132ed756, processorArchitecture=MSIL">
+      <HintPath>$(SolutionDir)\packages\Mono.Cecil.0.9.6.4\lib\net45\Mono.Cecil.dll</HintPath>
+      <Private>True</Private>
+    </Reference>
+    <Reference Include="Mono.Cecil.Mdb, Version=0.9.6.0, Culture=neutral, PublicKeyToken=0738eb9f132ed756, processorArchitecture=MSIL">
+      <HintPath>$(SolutionDir)\packages\Mono.Cecil.0.9.6.4\lib\net45\Mono.Cecil.Mdb.dll</HintPath>
+      <Private>True</Private>
+    </Reference>
+    <Reference Include="Mono.Cecil.Pdb, Version=0.9.6.0, Culture=neutral, PublicKeyToken=0738eb9f132ed756, processorArchitecture=MSIL">
+      <HintPath>$(SolutionDir)\packages\Mono.Cecil.0.9.6.4\lib\net45\Mono.Cecil.Pdb.dll</HintPath>
+      <Private>True</Private>
+    </Reference>
+    <Reference Include="Mono.Cecil.Rocks, Version=0.9.6.0, Culture=neutral, PublicKeyToken=0738eb9f132ed756, processorArchitecture=MSIL">
+      <HintPath>$(SolutionDir)\packages\Mono.Cecil.0.9.6.4\lib\net45\Mono.Cecil.Rocks.dll</HintPath>
+      <Private>True</Private>
+    </Reference>
+    <Reference Include="Newtonsoft.Json, Version=9.0.0.0, Culture=neutral, PublicKeyToken=30ad4fe6b2a6aeed, processorArchitecture=MSIL">
+      <HintPath>$(SolutionDir)\packages\Newtonsoft.Json.9.0.1\lib\net45\Newtonsoft.Json.dll</HintPath>
+      <Private>True</Private>
+    </Reference>
+    <Reference Include="NuGet.Squirrel, Version=3.0.0.0, Culture=neutral, processorArchitecture=MSIL">
+      <HintPath>$(SolutionDir)\packages\squirrel.windows.1.5.2\lib\Net45\NuGet.Squirrel.dll</HintPath>
+      <Private>True</Private>
+    </Reference>
+    <Reference Include="Splat, Version=2.0.0.0, Culture=neutral, processorArchitecture=MSIL">
+      <HintPath>$(SolutionDir)\packages\Splat.2.0.0\lib\Net45\Splat.dll</HintPath>
+      <Private>True</Private>
+    </Reference>
+    <Reference Include="Squirrel, Version=1.5.2.0, Culture=neutral, processorArchitecture=MSIL">
+      <HintPath>$(SolutionDir)\packages\squirrel.windows.1.5.2\lib\Net45\Squirrel.dll</HintPath>
+      <Private>True</Private>
+    </Reference>
+    <Reference Include="System" />
+    <Reference Include="System.Configuration" />
+    <Reference Include="System.Core" />
+    <Reference Include="System.Xml.Linq" />
+    <Reference Include="System.Data.DataSetExtensions" />
+    <Reference Include="Microsoft.CSharp" />
+    <Reference Include="System.Data" />
+    <Reference Include="System.Net.Http" />
+    <Reference Include="System.Xml" />
+  </ItemGroup>
+  <ItemGroup>
+    <Compile Include="GitHubObject.cs" />
+    <Compile Include="GitHubRelease.cs" />
+    <Compile Include="Program.cs" />
+    <Compile Include="Properties\AssemblyInfo.cs" />
+  </ItemGroup>
+  <ItemGroup>
+    <None Include="App.config" />
+    <None Include="packages.config" />
+  </ItemGroup>
+  <ItemGroup>
+    <ProjectReference Include="..\osu-framework\osu.Framework.Desktop\osu.Framework.Desktop.csproj">
+      <Project>{65dc628f-a640-4111-ab35-3a5652bc1e17}</Project>
+      <Name>osu.Framework.Desktop</Name>
+    </ProjectReference>
+    <ProjectReference Include="..\osu-framework\osu.Framework\osu.Framework.csproj">
+      <Project>{C76BF5B3-985E-4D39-95FE-97C9C879B83A}</Project>
+      <Name>osu.Framework</Name>
+    </ProjectReference>
+  </ItemGroup>
+  <Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
+  <!-- To modify your build process, add your task inside one of the targets below and uncomment it. 
+       Other similar extension points exist, see Microsoft.Common.targets.
+  <Target Name="BeforeBuild">
+  </Target>
+  <Target Name="AfterBuild">
+  </Target>
+  -->
+</Project>
--- a/osu.Desktop.Deploy/packages.config
+++ b/osu.Desktop.Deploy/packages.config
@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="utf-8"?>
+<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="9.0.1" targetFramework="net452" />
+  <package id="NuGet.CommandLine" version="3.5.0" targetFramework="net452" developmentDependency="true" />
+  <package id="Splat" version="2.0.0" targetFramework="net452" />
+  <package id="squirrel.windows" version="1.5.2" targetFramework="net452" />
+</packages>
--- a/osu.Desktop.Tests/BenchmarkTest.cs
+++ b/osu.Desktop.Tests/BenchmarkTest.cs
@ -0,0 +1,32 @@
+// Copyright (c) 2007-2017 ppy Pty Ltd <contact@ppy.sh>.
+// Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
+
+using NUnit.Framework;
+using osu.Desktop.VisualTests;
+using osu.Framework.Desktop.Platform;
+using osu.Game.Modes;
+using osu.Game.Modes.Catch;
+using osu.Game.Modes.Mania;
+using osu.Game.Modes.Osu;
+using osu.Game.Modes.Taiko;
+
+namespace osu.Desktop.Tests
+{
+    [TestFixture]
+    public class BenchmarkTest
+    {
+        [Test]
+        public void TestBenchmark()
+        {
+            using (var host = new HeadlessGameHost())
+            {
+                Ruleset.Register(new OsuRuleset());
+                Ruleset.Register(new TaikoRuleset());
+                Ruleset.Register(new ManiaRuleset());
+                Ruleset.Register(new CatchRuleset());
+
+                host.Run(new Benchmark());
+            }
+        }
+    }
+}
--- a/osu.Desktop.Tests/app.config
+++ b/osu.Desktop.Tests/app.config
@ -0,0 +1,15 @@
+<?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
+-->
+<configuration>
+  <runtime>
+    <assemblyBinding xmlns="urn:schemas-microsoft-com:asm.v1">
+      <dependentAssembly>
+        <assemblyIdentity name="Newtonsoft.Json" publicKeyToken="30ad4fe6b2a6aeed" culture="neutral" />
+        <bindingRedirect oldVersion="0.0.0.0-9.0.0.0" newVersion="9.0.0.0" />
+      </dependentAssembly>
+    </assemblyBinding>
+  </runtime>
+</configuration>
--- a/osu.Desktop.Tests/osu.Desktop.Tests.csproj
+++ b/osu.Desktop.Tests/osu.Desktop.Tests.csproj
@ -0,0 +1,117 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project ToolsVersion="14.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <Import Project="$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props" Condition="Exists('$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props')" />
+  <PropertyGroup>
+    <Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
+    <Platform Condition=" '$(Platform)' == '' ">AnyCPU</Platform>
+    <ProjectGuid>{230AC4F3-7783-49FB-9AEC-B83CDA3B9F3D}</ProjectGuid>
+    <OutputType>Library</OutputType>
+    <AppDesignerFolder>Properties</AppDesignerFolder>
+    <RootNamespace>osu.Desktop.Tests</RootNamespace>
+    <AssemblyName>osu.Desktop.Tests</AssemblyName>
+    <TargetFrameworkVersion>v4.5</TargetFrameworkVersion>
+    <FileAlignment>512</FileAlignment>
+  </PropertyGroup>
+  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
+    <DebugSymbols>true</DebugSymbols>
+    <DebugType>full</DebugType>
+    <Optimize>false</Optimize>
+    <OutputPath>bin\Debug\</OutputPath>
+    <DefineConstants>DEBUG;TRACE</DefineConstants>
+    <ErrorReport>prompt</ErrorReport>
+    <WarningLevel>4</WarningLevel>
+    <TreatWarningsAsErrors>false</TreatWarningsAsErrors>
+  </PropertyGroup>
+  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' ">
+    <DebugType>pdbonly</DebugType>
+    <Optimize>true</Optimize>
+    <OutputPath>bin\Release\</OutputPath>
+    <DefineConstants>TRACE</DefineConstants>
+    <ErrorReport>prompt</ErrorReport>
+    <WarningLevel>4</WarningLevel>
+    <TreatWarningsAsErrors>false</TreatWarningsAsErrors>
+  </PropertyGroup>
+  <ItemGroup>
+    <Reference Include="mscorlib" />
+    <Reference Include="nunit.framework, Version=3.5.0.0, Culture=neutral, PublicKeyToken=2638cd05610744eb, processorArchitecture=MSIL">
+      <HintPath>$(SolutionDir)\packages\NUnit.3.5.0\lib\net45\nunit.framework.dll</HintPath>
+      <Private>True</Private>
+    </Reference>
+    <Reference Include="SQLite.Net, Version=3.1.0.0, Culture=neutral, processorArchitecture=MSIL">
+      <SpecificVersion>False</SpecificVersion>
+      <HintPath>$(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="Newtonsoft.Json">
+      <HintPath>$(SolutionDir)\packages\Newtonsoft.Json.9.0.1\lib\net45\Newtonsoft.Json.dll</HintPath>
+    </Reference>
+    <Reference Include="SQLiteNetExtensions">
+      <HintPath>$(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>
+  </ItemGroup>
+  <ItemGroup>
+    <Compile Include="BenchmarkTest.cs" />
+  </ItemGroup>
+  <ItemGroup>
+    <ProjectReference Include="..\osu-framework\osu.Framework.Desktop\osu.Framework.Desktop.csproj">
+      <Project>{65DC628F-A640-4111-AB35-3A5652BC1E17}</Project>
+      <Name>osu.Framework.Desktop</Name>
+    </ProjectReference>
+    <ProjectReference Include="..\osu-framework\osu.Framework\osu.Framework.csproj">
+      <Project>{C76BF5B3-985E-4D39-95FE-97C9C879B83A}</Project>
+      <Name>osu.Framework</Name>
+    </ProjectReference>
+    <ProjectReference Include="..\osu-resources\osu.Game.Resources\osu.Game.Resources.csproj">
+      <Project>{d9a367c9-4c1a-489f-9b05-a0cea2b53b58}</Project>
+      <Name>osu.Game.Resources</Name>
+    </ProjectReference>
+    <ProjectReference Include="..\osu.Desktop.VisualTests\osu.Desktop.VisualTests.csproj">
+      <Project>{69051C69-12AE-4E7D-A3E6-460D2E282312}</Project>
+      <Name>osu.Desktop.VisualTests</Name>
+    </ProjectReference>
+    <ProjectReference Include="..\osu.Game.Modes.Catch\osu.Game.Modes.Catch.csproj">
+      <Project>{58F6C80C-1253-4A0E-A465-B8C85EBEADF3}</Project>
+      <Name>osu.Game.Modes.Catch</Name>
+    </ProjectReference>
+    <ProjectReference Include="..\osu.Game.Modes.Mania\osu.Game.Modes.Mania.csproj">
+      <Project>{48F4582B-7687-4621-9CBE-5C24197CB536}</Project>
+      <Name>osu.Game.Modes.Mania</Name>
+    </ProjectReference>
+    <ProjectReference Include="..\osu.Game.Modes.Osu\osu.Game.Modes.Osu.csproj">
+      <Project>{C92A607B-1FDD-4954-9F92-03FF547D9080}</Project>
+      <Name>osu.Game.Modes.Osu</Name>
+    </ProjectReference>
+    <ProjectReference Include="..\osu.Game.Modes.Taiko\osu.Game.Modes.Taiko.csproj">
+      <Project>{F167E17A-7DE6-4AF5-B920-A5112296C695}</Project>
+      <Name>osu.Game.Modes.Taiko</Name>
+    </ProjectReference>
+    <ProjectReference Include="..\osu.Game\osu.Game.csproj">
+      <Project>{0D3FBF8A-7464-4CF7-8C90-3E7886DF2D4D}</Project>
+      <Name>osu.Game</Name>
+    </ProjectReference>
+  </ItemGroup>
+  <ItemGroup>
+    <None Include="..\osu.licenseheader">
+      <Link>osu.licenseheader</Link>
+    </None>
+    <None Include="app.config" />
+    <None Include="packages.config" />
+  </ItemGroup>
+  <ItemGroup>
+    <Folder Include="Properties\" />
+  </ItemGroup>
+  <Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
+  <!-- To modify your build process, add your task inside one of the targets below and uncomment it.
+       Other similar extension points exist, see Microsoft.Common.targets.
+  <Target Name="BeforeBuild">
+  </Target>
+  <Target Name="AfterBuild">
+  </Target>
+  -->
+</Project>
--- a/osu.Desktop.Tests/packages.config
+++ b/osu.Desktop.Tests/packages.config
@ -0,0 +1,12 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+Copyright (c) 2007-2017 ppy Pty Ltd <contact@ppy.sh>.
+Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
+-->
+<packages>
+  <package id="Newtonsoft.Json" version="9.0.1" targetFramework="net45" />
+  <package id="NUnit" version="3.5.0" targetFramework="net45" />
+  <package id="SQLite.Net.Core-PCL" version="3.1.1" targetFramework="net45" />
+  <package id="SQLite.Net-PCL" version="3.1.1" targetFramework="net45" />
+  <package id="SQLiteNetExtensions" version="1.3.0" targetFramework="net45" />
+</packages>
--- a/osu.Desktop.VisualTests/Benchmark.cs
+++ b/osu.Desktop.VisualTests/Benchmark.cs
@ -0,0 +1,45 @@
+// Copyright (c) 2007-2017 ppy Pty Ltd <contact@ppy.sh>.
+// Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
+
+using System;
+using osu.Framework.Allocation;
+using osu.Framework.Screens.Testing;
+using osu.Game;
+
+namespace osu.Desktop.VisualTests
+{
+    public class Benchmark : OsuGameBase
+    {
+        private double timePerTest = 200;
+
+        [BackgroundDependencyLoader]
+        private void load()
+        {
+            Host.MaximumDrawHz = int.MaxValue;
+            Host.MaximumUpdateHz = int.MaxValue;
+            Host.MaximumInactiveHz = int.MaxValue;
+        }
+
+        protected override void LoadComplete()
+        {
+            base.LoadComplete();
+
+            TestBrowser f = new TestBrowser();
+            Add(f);
+
+            Console.WriteLine($@"{Time}: Running {f.TestCount} tests for {timePerTest}ms each...");
+
+            for (int i = 1; i < f.TestCount; i++)
+            {
+                int loadableCase = i;
+                Scheduler.AddDelayed(delegate
+                {
+                    f.LoadTest(loadableCase);
+                    Console.WriteLine($@"{Time}: Switching to test #{loadableCase}");
+                }, loadableCase * timePerTest);
+            }
+
+            Scheduler.AddDelayed(Host.Exit, f.TestCount * timePerTest);
+        }
+    }
+}
--- a/osu.Desktop.VisualTests/OpenTK.dll.config
+++ b/osu.Desktop.VisualTests/OpenTK.dll.config
@ -1,8 +1,7 @@
 <!--
-Copyright (c) 2007-2016 ppy Pty Ltd <contact@ppy.sh>.
+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"/>
--- a/osu.Desktop.VisualTests/Platform/TestStorage.cs
+++ b/osu.Desktop.VisualTests/Platform/TestStorage.cs
@ -1,5 +1,5 @@
-//Copyright (c) 2007-2016 ppy Pty Ltd <contact@ppy.sh>.
-//Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
+// 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;
--- a/osu.Desktop.VisualTests/Program.cs
+++ b/osu.Desktop.VisualTests/Program.cs
@ -1,9 +1,8 @@
-//Copyright (c) 2007-2016 ppy Pty Ltd <contact@ppy.sh>.
-//Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
+// 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.Desktop.Platform;
 using osu.Framework.Platform;
 using osu.Game.Modes;
 using osu.Game.Modes.Catch;
@ -18,15 +17,19 @@ namespace osu.Desktop.VisualTests
        [STAThread]
        public static void Main(string[] args)
        {
-            using (BasicGameHost host = Host.GetSuitableHost(@"osu"))
+            bool benchmark = args.Length > 0 && args[0] == @"-benchmark";
+
+            using (GameHost host = Host.GetSuitableHost(@"osu"))
            {
                Ruleset.Register(new OsuRuleset());
                Ruleset.Register(new TaikoRuleset());
                Ruleset.Register(new ManiaRuleset());
                Ruleset.Register(new CatchRuleset());

-                host.Add(new VisualTestGame());
-                host.Run();
+                if (benchmark)
+                    host.Run(new Benchmark());
+                else
+                    host.Run(new VisualTestGame());
            }
        }
    }
--- a/osu.Desktop.VisualTests/Tests/TestCaseChatDisplay.cs
+++ b/osu.Desktop.VisualTests/Tests/TestCaseChatDisplay.cs
@ -1,22 +1,10 @@
-//Copyright (c) 2007-2016 ppy Pty Ltd <contact@ppy.sh>.
-//Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
+// 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.Diagnostics;
-using System.Linq;
-using osu.Framework;
-using osu.Framework.GameModes.Testing;
-using osu.Framework.Graphics;
+using osu.Framework.Screens.Testing;
 using osu.Framework.Graphics.Containers;
-using osu.Framework.Graphics.Sprites;
 using osu.Framework.Threading;
-using osu.Game;
-using osu.Game.Online.API;
-using osu.Game.Online.API.Requests;
-using osu.Game.Online.Chat;
-using OpenTK;
-using osu.Framework.Allocation;
-using osu.Game.Online.Chat.Drawables;
+using osu.Game.Overlays;

 namespace osu.Desktop.VisualTests.Tests
 {
@ -25,119 +13,16 @@ namespace osu.Desktop.VisualTests.Tests
        private ScheduledDelegate messageRequest;

        public override string Name => @"Chat";
-        public override string Description => @"Testing API polling";
-
-        FlowContainer flow;
-
-        private Scheduler scheduler = new Scheduler();
-
-        private APIAccess api;
-
-        private ChannelDisplay channelDisplay;
-
-        [BackgroundDependencyLoader]
-        private void load(APIAccess api)
-        {
-            this.api = api;
-        }
+        public override string Description => @"Testing chat api and overlay";

        public override void Reset()
        {
            base.Reset();

-            if (api.State != APIState.Online)
-                api.OnStateChange += delegate { initializeChannels(); };
-            else
-                initializeChannels();
-        }
-
-        protected override void Update()
+            Add(new ChatOverlay()
            {
-            scheduler.Update();
-            base.Update();
-        }
-
-        private long? lastMessageId;
-
-        List<Channel> careChannels;
-
-        private void initializeChannels()
-        {
-            careChannels = new List<Channel>();
-
-            if (api.State != APIState.Online)
-                return;
-
-            Add(flow = new FlowContainer
-            {
-                RelativeSizeAxes = Axes.Both,
-                Direction = FlowDirection.VerticalOnly
+                State = Visibility.Visible
            });
-
-            SpriteText loading;
-            Add(loading = new SpriteText
-            {
-                Text = @"Loading available channels...",
-                Anchor = Anchor.Centre,
-                Origin = Anchor.Centre,
-                TextSize = 40,
-            });
-
-            messageRequest?.Cancel();
-
-            ListChannelsRequest req = new ListChannelsRequest();
-            req.Success += delegate (List<Channel> channels)
-            {
-                Scheduler.Add(delegate
-                {
-                    loading.FadeOut(100);
-                });
-
-                addChannel(channels.Find(c => c.Name == @"#osu"));
-                addChannel(channels.Find(c => c.Name == @"#lobby"));
-                addChannel(channels.Find(c => c.Name == @"#english"));
-
-                messageRequest = scheduler.AddDelayed(() => FetchNewMessages(api), 1000, true);
-            };
-            api.Queue(req);
-        }
-
-        private void addChannel(Channel channel)
-        {
-            flow.Add(channelDisplay = new ChannelDisplay(channel)
-            {
-                Size = new Vector2(1, 0.3f)
-            });
-
-            careChannels.Add(channel);
-        }
-
-        GetMessagesRequest fetchReq;
-
-        public void FetchNewMessages(APIAccess api)
-        {
-            if (fetchReq != null) return;
-
-            fetchReq = new GetMessagesRequest(careChannels, lastMessageId);
-            fetchReq.Success += delegate (List<Message> messages)
-            {
-                foreach (Message m in messages)
-                {
-                    careChannels.Find(c => c.Id == m.ChannelId).AddNewMessages(m);
-                }
-
-                lastMessageId = messages.LastOrDefault()?.Id ?? lastMessageId;
-
-                Debug.Write("success!");
-                fetchReq = null;
-            };
-            fetchReq.Failure += delegate
-            {
-                Debug.Write("failure!");
-                fetchReq = null;
-            };
-
-            api.Queue(fetchReq);
        }
    }
 }
--- a/osu.Desktop.VisualTests/Tests/TestCaseDialogOverlay.cs
+++ b/osu.Desktop.VisualTests/Tests/TestCaseDialogOverlay.cs
@ -0,0 +1,80 @@
+// Copyright (c) 2007-2017 ppy Pty Ltd <contact@ppy.sh>.
+// Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
+
+using osu.Framework.Graphics;
+using osu.Framework.Screens.Testing;
+using osu.Game.Graphics;
+using osu.Game.Overlays;
+using osu.Game.Overlays.Dialog;
+
+namespace osu.Desktop.VisualTests.Tests
+{
+    class TestCaseDialogOverlay : TestCase
+    {
+        public override string Name => @"Dialog Overlay";
+        public override string Description => @"Display dialogs";
+
+        DialogOverlay overlay;
+
+        public override void Reset()
+        {
+            base.Reset();
+
+            Add(overlay = new DialogOverlay());
+
+            AddButton("dialog #1", () => overlay.Push(new PopupDialog
+            {
+                Icon = FontAwesome.fa_trash_o,
+                HeaderText = @"Confirm deletion of",
+                BodyText = @"Ayase Rie - Yuima-ru*World TVver.",
+                Buttons = new PopupDialogButton[]
+                {
+                    new PopupDialogOkButton
+                    {
+                        Text = @"I never want to see this again.",
+                        Action = () => System.Console.WriteLine(@"OK"),
+                    },
+                    new PopupDialogCancelButton
+                    {
+                        Text = @"Firetruck, I still want quick ranks!",
+                        Action = () => System.Console.WriteLine(@"Cancel"),
+                    },
+                },
+            }));
+
+            AddButton("dialog #2", () => overlay.Push(new PopupDialog
+            {
+                Icon = FontAwesome.fa_gear,
+                HeaderText = @"What do you want to do with",
+                BodyText = "Camellia as \"Bang Riot\" - Blastix Riotz",
+                Buttons = new PopupDialogButton[]
+                {
+                    new PopupDialogOkButton
+                    {
+                        Text = @"Manage collections",
+                    },
+                    new PopupDialogOkButton
+                    {
+                        Text = @"Delete...",
+                    },
+                    new PopupDialogOkButton
+                    {
+                        Text = @"Remove from unplayed",
+                    },
+                    new PopupDialogOkButton
+                    {
+                        Text = @"Clear local scores",
+                    },
+                    new PopupDialogOkButton
+                    {
+                        Text = @"Edit",
+                    },
+                    new PopupDialogCancelButton
+                    {
+                        Text = @"Cancel",
+                    },
+                },
+            }));
+        }
+    }
+}
--- a/osu.Desktop.VisualTests/Tests/TestCaseGamefield.cs
+++ b/osu.Desktop.VisualTests/Tests/TestCaseGamefield.cs
@ -1,21 +1,18 @@
-//Copyright (c) 2007-2016 ppy Pty Ltd <contact@ppy.sh>.
-//Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
+// 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.GameModes.Testing;
+using osu.Framework.Screens.Testing;
 using osu.Framework.Graphics;
+using osu.Framework.Graphics.Containers;
 using osu.Framework.MathUtils;
 using osu.Framework.Timing;
 using osu.Game.Beatmaps;
-using osu.Game.Modes.Catch;
 using osu.Game.Modes.Catch.UI;
-using osu.Game.Modes.Mania;
 using osu.Game.Modes.Mania.UI;
 using osu.Game.Modes.Objects;
-using osu.Game.Modes.Osu;
 using osu.Game.Modes.Osu.Objects;
 using osu.Game.Modes.Osu.UI;
-using osu.Game.Modes.Taiko;
 using osu.Game.Modes.Taiko.UI;
 using OpenTK;

@ -31,9 +28,6 @@ namespace osu.Desktop.VisualTests.Tests
        {
            base.Reset();

-            //ensure we are at offset 0
-            Clock = new FramedClock();
-
            List<HitObject> objects = new List<HitObject>();

            int time = 500;
@ -55,35 +49,44 @@ namespace osu.Desktop.VisualTests.Tests
            };

            Add(new Drawable[]
+            {
+                new Container
+                {
+                    RelativeSizeAxes = Axes.Both,
+                    //ensure we are at offset 0
+                    Clock = new FramedClock(),
+                    Children = new Drawable[]
                    {
                        new OsuHitRenderer
                        {
-                    Objects = beatmap.HitObjects,
+                            Beatmap = beatmap,
                            Scale = new Vector2(0.5f),
                            Anchor = Anchor.TopLeft,
                            Origin = Anchor.TopLeft
                        },
                        new TaikoHitRenderer
                        {
-                    Objects = beatmap.HitObjects,
+                            Beatmap = beatmap,
                            Scale = new Vector2(0.5f),
                            Anchor = Anchor.TopRight,
                            Origin = Anchor.TopRight
                        },
                        new CatchHitRenderer
                        {
-                    Objects = beatmap.HitObjects,
+                            Beatmap = beatmap,
                            Scale = new Vector2(0.5f),
                            Anchor = Anchor.BottomLeft,
                            Origin = Anchor.BottomLeft
                        },
                        new ManiaHitRenderer
                        {
-                    Objects = beatmap.HitObjects,
+                            Beatmap = beatmap,
                            Scale = new Vector2(0.5f),
                            Anchor = Anchor.BottomRight,
                            Origin = Anchor.BottomRight
                        }
+                    }
+                }
            });
        }
    }
--- a/osu.Desktop.VisualTests/Tests/TestCaseHitObjects.cs
+++ b/osu.Desktop.VisualTests/Tests/TestCaseHitObjects.cs
@ -1,18 +1,19 @@
-//Copyright (c) 2007-2016 ppy Pty Ltd <contact@ppy.sh>.
-//Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
+// 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.GameModes.Testing;
+using System.Collections.Generic;
+using osu.Framework.Screens.Testing;
 using osu.Framework.Graphics;
 using osu.Framework.Timing;
 using OpenTK;
-using osu.Framework.Allocation;
-using osu.Game.Modes.Objects;
+using osu.Framework.Configuration;
 using osu.Game.Modes.Objects.Drawables;
 using osu.Game.Modes.Osu.Objects;
 using osu.Game.Modes.Osu.Objects.Drawables;
 using osu.Framework.Graphics.Containers;
-using osu.Game.Modes;
+using osu.Framework.Graphics.Sprites;
+using osu.Framework.Graphics.UserInterface;
+using OpenTK.Graphics;

 namespace osu.Desktop.VisualTests.Tests
 {
@ -20,44 +21,125 @@ namespace osu.Desktop.VisualTests.Tests
    {
        public override string Name => @"Hit Objects";

+        private StopwatchClock rateAdjustClock;
+        private FramedClock framedClock;
+
+        bool auto = false;
+
        public TestCaseHitObjects()
        {
-            var swClock = new StopwatchClock(true) { Rate = 0.2f };
-            Clock = new FramedClock(swClock);
+            rateAdjustClock = new StopwatchClock(true);
+            framedClock = new FramedClock(rateAdjustClock);
+            playbackSpeed.ValueChanged += delegate { rateAdjustClock.Rate = playbackSpeed.Value; };
        }

-        public override void Reset()
+        HitObjectType mode = HitObjectType.Slider;
+
+        BindableNumber<double> playbackSpeed = new BindableDouble(0.5) { MinValue = 0, MaxValue = 1 };
+        private Container playfieldContainer;
+        private Container approachContainer;
+
+        private void load(HitObjectType mode)
        {
-            base.Reset();
-
-            Clock.ProcessFrame();
-
-            Container approachContainer = new Container { Depth = float.MinValue, };
-
-            Add(approachContainer);
+            this.mode = mode;

+            switch (mode)
+            {
+                case HitObjectType.Circle:
                    const int count = 10;

                    for (int i = 0; i < count; i++)
                    {
                        var h = new HitCircle
                        {
-                    StartTime = Clock.CurrentTime + 600 + i * 80,
+                            StartTime = framedClock.CurrentTime + 600 + i * 80,
                            Position = new Vector2((i - count / 2) * 14),
                        };

-                DrawableHitCircle d = new DrawableHitCircle(h)
+                        add(new DrawableHitCircle(h));
+                    }
+                    break;
+                case HitObjectType.Slider:
+                    add(new DrawableSlider(new Slider
                    {
-                    Anchor = Anchor.Centre,
-                    Depth = i,
-                    State = ArmedState.Hit,
-                    Judgement = new OsuJudgementInfo { Result = HitResult.Hit }
+                        StartTime = framedClock.CurrentTime + 600,
+                        ControlPoints = new List<Vector2>()
+                        {
+                            new Vector2(-200, 0),
+                            new Vector2(400, 0),
+                        },
+                        Length = 400,
+                        Position = new Vector2(-200, 0),
+                        Velocity = 1,
+                        TickDistance = 100,
+                    }));
+                    break;
+                case HitObjectType.Spinner:
+                    add(new DrawableSpinner(new Spinner
+                    {
+                        StartTime = framedClock.CurrentTime + 600,
+                        Length = 1000,
+                        Position = new Vector2(0, 0),
+                    }));
+                    break;
+            }
+        }
+
+        public override void Reset()
+        {
+            base.Reset();
+
+            playbackSpeed.TriggerChange();
+
+            AddButton(@"circles", () => load(HitObjectType.Circle));
+            AddButton(@"slider", () => load(HitObjectType.Slider));
+            AddButton(@"spinner", () => load(HitObjectType.Spinner));
+
+            AddToggle(@"auto", (state) => { auto = state; load(mode); });
+
+            ButtonsContainer.Add(new SpriteText { Text = "Playback Speed" });
+            ButtonsContainer.Add(new BasicSliderBar<double>
+            {
+                Width = 150,
+                Height = 10,
+                SelectionColor = Color4.Orange,
+                Bindable = playbackSpeed
+            });
+
+            framedClock.ProcessFrame();
+
+            var clockAdjustContainer = new Container
+            {
+                RelativeSizeAxes = Axes.Both,
+                Clock = framedClock,
+                Children = new[]
+                {
+                    playfieldContainer = new Container { RelativeSizeAxes = Axes.Both },
+                    approachContainer = new Container { RelativeSizeAxes = Axes.Both }
+                }
            };

+            Add(clockAdjustContainer);

-                approachContainer.Add(d.ApproachCircle.CreateProxy());
-                Add(d);
+            load(mode);
        }
+
+        int depth;
+        void add(DrawableHitObject h)
+        {
+            h.Anchor = Anchor.Centre;
+            h.Depth = depth++;
+
+            if (auto)
+            {
+                h.State = ArmedState.Hit;
+                h.Judgement = new OsuJudgementInfo { Result = HitResult.Hit };
+            }
+
+            playfieldContainer.Add(h);
+            var proxyable = h as IDrawableHitObjectWithProxiedApproach;
+            if (proxyable != null)
+                approachContainer.Add(proxyable.ProxiedLayer.CreateProxy());
        }
    }
 }
--- a/osu.Desktop.VisualTests/Tests/TestCaseKeyCounter.cs
+++ b/osu.Desktop.VisualTests/Tests/TestCaseKeyCounter.cs
@ -1,18 +1,16 @@
-//Copyright (c) 2007-2016 ppy Pty Ltd <contact@ppy.sh>.
-//Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
+// 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.GameModes.Testing;
+using osu.Framework.Screens.Testing;
 using osu.Framework.Graphics;
-using osu.Game.Graphics.UserInterface;
 using OpenTK.Input;
-using osu.Framework.Graphics.Containers;
 using osu.Framework.Graphics.UserInterface;
 using osu.Framework.Configuration;
 using OpenTK;
 using OpenTK.Graphics;
 using osu.Framework.MathUtils;
 using osu.Framework.Graphics.Sprites;
-using osu.Framework.Graphics.Transformations;
+using osu.Framework.Graphics.Transforms;
 using osu.Game.Screens.Play;

 namespace osu.Desktop.VisualTests.Tests
--- a/osu.Desktop.VisualTests/Tests/TestCaseMenuButtonSystem.cs
+++ b/osu.Desktop.VisualTests/Tests/TestCaseMenuButtonSystem.cs
@ -1,7 +1,7 @@
-//Copyright (c) 2007-2016 ppy Pty Ltd <contact@ppy.sh>.
-//Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
+// 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.GameModes.Testing;
+using osu.Framework.Screens.Testing;
 using osu.Framework.Graphics.Colour;
 using osu.Framework.Graphics.Sprites;
 using osu.Game.Screens.Menu;
--- a/osu.Desktop.VisualTests/Tests/TestCaseMusicController.cs
+++ b/osu.Desktop.VisualTests/Tests/TestCaseMusicController.cs
@ -1,10 +1,11 @@
-//Copyright (c) 2007-2016 ppy Pty Ltd <contact@ppy.sh>.
-//Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
+// 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.GameModes.Testing;
+using osu.Framework.Screens.Testing;
 using osu.Framework.Graphics;
 using osu.Framework.Timing;
 using osu.Game.Overlays;
+using osu.Framework.Graphics.Containers;

 namespace osu.Desktop.VisualTests.Tests
 {
@ -13,7 +14,7 @@ namespace osu.Desktop.VisualTests.Tests
        public override string Name => @"Music Controller";
        public override string Description => @"Tests music controller ui.";

-        protected MusicController mc;
+        private MusicController mc;

        public TestCaseMusicController()
        {
@ -30,7 +31,7 @@ namespace osu.Desktop.VisualTests.Tests
                Anchor = Anchor.Centre
            };
            Add(mc);
-            AddToggle(@"Show", mc.ToggleVisibility);
+            AddToggle(@"Show", (state) => mc.State = state ? Visibility.Visible : Visibility.Hidden);
        }
    }
 }
--- a/osu.Desktop.VisualTests/Tests/TestCaseNotificationManager.cs
+++ b/osu.Desktop.VisualTests/Tests/TestCaseNotificationManager.cs
@ -0,0 +1,118 @@
+// Copyright (c) 2007-2017 ppy Pty Ltd <contact@ppy.sh>.
+// Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
+
+using System.Collections.Generic;
+using osu.Framework.Graphics;
+using osu.Framework.Screens.Testing;
+using osu.Framework.MathUtils;
+using osu.Game.Overlays;
+using System.Linq;
+using osu.Game.Overlays.Notifications;
+using osu.Framework.Graphics.Containers;
+
+namespace osu.Desktop.VisualTests.Tests
+{
+    class TestCaseNotificationManager : TestCase
+    {
+        public override string Name => @"Notification Manager";
+        public override string Description => @"I handle notifications";
+
+        NotificationManager manager;
+
+        public override void Reset()
+        {
+            base.Reset();
+
+            progressingNotifications.Clear();
+
+            Content.Add(manager = new NotificationManager
+            {
+                Anchor = Anchor.TopRight,
+                Origin = Anchor.TopRight,
+            });
+
+            AddToggle(@"show", (state) => manager.State = state ? Visibility.Visible : Visibility.Hidden);
+
+            AddButton(@"simple #1", sendNotification1);
+            AddButton(@"simple #2", sendNotification2);
+            AddButton(@"progress #1", sendProgress1);
+            AddButton(@"progress #2", sendProgress2);
+            AddButton(@"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)
+            {
+                Delay(80);
+                Schedule(() => sendBarrage(remaining - 1));
+            }
+        }
+
+        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.IsLoaded && 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);
+        }
+
+        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!" });
+        }
+    }
+}
--- a/osu.Desktop.VisualTests/Tests/TestCaseOptions.cs
+++ b/osu.Desktop.VisualTests/Tests/TestCaseOptions.cs
@ -1,12 +1,8 @@
-//Copyright (c) 2007-2016 ppy Pty Ltd <contact@ppy.sh>.
-//Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
+// 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.GameModes.Testing;
-using osu.Framework.Graphics;
-using osu.Game.Graphics.UserInterface;
-using OpenTK.Input;
+using osu.Framework.Screens.Testing;
 using osu.Game.Overlays;
-using osu.Framework.Graphics.Containers;

 namespace osu.Desktop.VisualTests.Tests
 {
--- a/osu.Desktop.VisualTests/Tests/TestCasePauseOverlay.cs
+++ b/osu.Desktop.VisualTests/Tests/TestCasePauseOverlay.cs
@ -1,13 +1,9 @@
-using System;
-using OpenTK.Graphics;
+// 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.Logging;
-using osu.Framework.Graphics;
 using osu.Game.Overlays.Pause;
-using osu.Framework.Graphics.Containers;
-using osu.Framework.Graphics.Sprites;
-using osu.Framework.Graphics.Colour;
-using osu.Framework.GameModes.Testing;
-using osu.Framework.Graphics.UserInterface;
+using osu.Framework.Screens.Testing;

 namespace osu.Desktop.VisualTests.Tests
 {
--- a/osu.Desktop.VisualTests/Tests/TestCasePlaySongSelect.cs
+++ b/osu.Desktop.VisualTests/Tests/TestCasePlaySongSelect.cs
@ -1,9 +1,11 @@
-//Copyright (c) 2007-2016 ppy Pty Ltd <contact@ppy.sh>.
-//Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
+// 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 osu.Desktop.VisualTests.Platform;
-using osu.Framework.GameModes.Testing;
+using osu.Framework.Screens.Testing;
+using osu.Framework.MathUtils;
 using osu.Game.Database;
 using osu.Game.Modes;
 using osu.Game.Screens.Select;
@ -14,6 +16,7 @@ namespace osu.Desktop.VisualTests.Tests
    {
        private BeatmapDatabase db, oldDb;
        private TestStorage storage;
+        private PlaySongSelect songSelect;

        public override string Name => @"Song Select";
        public override string Description => @"with fake data";
@ -35,7 +38,13 @@ namespace osu.Desktop.VisualTests.Tests

                db.Import(sets);
            }
-            Add(new PlaySongSelect());
+
+            Add(songSelect = new PlaySongSelect());
+
+            AddButton(@"Sort by Artist", delegate { songSelect.Filter.Sort = FilterControl.SortMode.Artist; });
+            AddButton(@"Sort by Title", delegate { songSelect.Filter.Sort = FilterControl.SortMode.Title; });
+            AddButton(@"Sort by Author", delegate { songSelect.Filter.Sort = FilterControl.SortMode.Author; });
+            AddButton(@"Sort by Difficulty", delegate { songSelect.Filter.Sort = FilterControl.SortMode.Difficulty; });
        }

        protected override void Dispose(bool isDisposing)
@ -59,9 +68,10 @@ namespace osu.Desktop.VisualTests.Tests
                Metadata = new BeatmapMetadata
                {
                    OnlineBeatmapSetID = 1234 + i,
-                    Artist = "MONACA",
-                    Title = "Black Song",
-                    Author = "Some Guy",
+                    // 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[]
                {
--- a/osu.Desktop.VisualTests/Tests/TestCasePlayer.cs
+++ b/osu.Desktop.VisualTests/Tests/TestCasePlayer.cs
@ -1,15 +1,14 @@
-//Copyright (c) 2007-2016 ppy Pty Ltd <contact@ppy.sh>.
-//Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
+// 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.Allocation;
-using osu.Framework.GameModes.Testing;
-using osu.Framework.MathUtils;
-using osu.Framework.Timing;
+using osu.Framework.Screens.Testing;
 using osu.Game.Beatmaps;
 using osu.Game.Beatmaps.Formats;
 using OpenTK;
 using osu.Framework.Graphics.Sprites;
+using osu.Game.Beatmaps.IO;
 using osu.Game.Database;
 using osu.Game.Modes;
 using osu.Game.Modes.Objects;
@ -60,25 +59,48 @@ namespace osu.Desktop.VisualTests.Tests

                Beatmap b = new Beatmap
                {
-                    HitObjects = objects
+                    HitObjects = objects,
+                    BeatmapInfo = new BeatmapInfo
+                    {
+                        Metadata = new BeatmapMetadata
+                        {
+                            Artist = @"Unknown",
+                            Title = @"Sample Beatmap",
+                            Author = @"peppy",
+                        }
+                    }
                };

                decoder.Process(b);

-                beatmap = new WorkingBeatmap(b);
+                beatmap = new TestWorkingBeatmap(b);
            }

            Add(new Box
            {
                RelativeSizeAxes = Framework.Graphics.Axes.Both,
-                Colour = Color4.Gray,
+                Colour = Color4.Black,
            });

-            Add(new Player
+            Add(new PlayerLoader(new Player
            {
                PreferredPlayMode = PlayMode.Osu,
                Beatmap = beatmap
+            })
+            {
+                Beatmap = beatmap
            });
        }
+
+        class TestWorkingBeatmap : WorkingBeatmap
+        {
+            public TestWorkingBeatmap(Beatmap beatmap)
+                : base(beatmap.BeatmapInfo, beatmap.BeatmapInfo.BeatmapSet)
+            {
+                Beatmap = beatmap;
+            }
+
+            protected override ArchiveReader GetReader() => null;
+        }
    }
 }
--- a/osu.Desktop.VisualTests/Tests/TestCaseScoreCounter.cs
+++ b/osu.Desktop.VisualTests/Tests/TestCaseScoreCounter.cs
@ -1,23 +1,17 @@
-//Copyright (c) 2007-2016 ppy Pty Ltd <contact@ppy.sh>.
-//Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
+// 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.GameModes.Testing;
+using osu.Framework.Screens.Testing;
 using osu.Framework.Graphics;
 using osu.Framework.Graphics.Sprites;
 using osu.Framework.MathUtils;
 using osu.Game.Graphics.UserInterface;
-using osu.Game.Modes;
-using osu.Game.Modes.Catch;
 using osu.Game.Modes.Catch.UI;
-using osu.Game.Modes.Mania;
 using osu.Game.Modes.Mania.UI;
-using osu.Game.Modes.Osu;
 using osu.Game.Modes.Osu.UI;
-using osu.Game.Modes.Taiko;
 using osu.Game.Modes.Taiko.UI;
 using osu.Game.Modes.UI;
-using osu.Game.Screens.Play;
 using OpenTK;
 using OpenTK.Graphics;
 using osu.Framework.Graphics.Primitives;
@ -164,7 +158,7 @@ namespace osu.Desktop.VisualTests.Tests

            AddButton(@"Alter stars", delegate
            {
-                stars.Count = RNG.NextSingle() * (stars.MaxStars + 1);
+                stars.Count = RNG.NextSingle() * (stars.StarCount + 1);
                starsLabel.Text = stars.Count.ToString("0.00");
            });

--- a/osu.Desktop.VisualTests/Tests/TestCaseSongProgress.cs
+++ b/osu.Desktop.VisualTests/Tests/TestCaseSongProgress.cs
@ -2,16 +2,12 @@
 // Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE

 using System;
-using OpenTK.Graphics;
-using osu.Game.Screens.Play;
-using osu.Framework.Graphics;
-using osu.Framework.GameModes.Testing;
-using osu.Framework.Graphics.Sprites;
-using osu.Framework.GameModes.Testing;
-using osu.Framework.Graphics.Colour;
 using System.Collections.Generic;
+using osu.Framework.Graphics;
+using osu.Framework.Screens.Testing;
+using osu.Game.Screens.Play;

-namespace osu.Desktop.VisualTests
+namespace osu.Desktop.VisualTests.Tests
 {
    public class TestCaseSongProgress : TestCase
    {
--- a/osu.Desktop.VisualTests/Tests/TestCaseTextAwesome.cs
+++ b/osu.Desktop.VisualTests/Tests/TestCaseTextAwesome.cs
@ -1,8 +1,8 @@
-//Copyright (c) 2007-2016 ppy Pty Ltd <contact@ppy.sh>.
-//Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
+// 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.GameModes.Testing;
+using osu.Framework.Screens.Testing;
 using osu.Framework.Graphics;
 using osu.Framework.Graphics.Containers;
 using osu.Framework.MathUtils;
@ -22,9 +22,9 @@ namespace osu.Desktop.VisualTests.Tests
        {
            base.Reset();

-            FlowContainer flow;
+            FillFlowContainer flow;

-            Add(flow = new FlowContainer()
+            Add(flow = new FillFlowContainer()
            {
                RelativeSizeAxes = Axes.Both,
                Size = new Vector2(0.5f),
--- a/osu.Desktop.VisualTests/Tests/TestCaseTwoLayerButton.cs
+++ b/osu.Desktop.VisualTests/Tests/TestCaseTwoLayerButton.cs
@ -1,13 +1,9 @@
-//Copyright (c) 2007-2016 ppy Pty Ltd <contact@ppy.sh>.
-//Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
+// 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.GameModes.Testing;
-using osu.Framework.Graphics.Colour;
-using osu.Framework.Graphics.Sprites;
+using osu.Framework.Screens.Testing;
 using osu.Game.Graphics.UserInterface;
-using osu.Game.Screens.Menu;
 using osu.Game.Screens.Play;
-using OpenTK.Graphics;

 namespace osu.Desktop.VisualTests.Tests
 {
--- a/osu.Desktop.VisualTests/VisualTestGame.cs
+++ b/osu.Desktop.VisualTests/VisualTestGame.cs
@ -1,17 +1,9 @@
-//Copyright (c) 2007-2016 ppy Pty Ltd <contact@ppy.sh>.
-//Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
+// 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.GameModes.Testing;
-using osu.Framework.Graphics.Cursor;
-using osu.Game.Database;
+using osu.Framework.Screens.Testing;
 using osu.Game;
-using osu.Framework.Desktop.Platform;
-using System.Reflection;
-using System.IO;
-using System.Collections.Generic;
-using SQLiteNetExtensions.Extensions;
-using osu.Framework.Allocation;
+using osu.Game.Screens.Backgrounds;

 namespace osu.Desktop.VisualTests
 {
@ -21,6 +13,8 @@ namespace osu.Desktop.VisualTests
        {
            base.LoadComplete();

+            (new BackgroundScreenDefault() { Depth = 10 }).LoadAsync(this, 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());
--- a/osu.Desktop.VisualTests/app.config
+++ b/osu.Desktop.VisualTests/app.config
@ -0,0 +1,15 @@
+<?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
+-->
+<configuration>
+  <runtime>
+    <assemblyBinding xmlns="urn:schemas-microsoft-com:asm.v1">
+      <dependentAssembly>
+        <assemblyIdentity name="Newtonsoft.Json" publicKeyToken="30ad4fe6b2a6aeed" culture="neutral" />
+        <bindingRedirect oldVersion="0.0.0.0-9.0.0.0" newVersion="9.0.0.0" />
+      </dependentAssembly>
+    </assemblyBinding>
+  </runtime>
+</configuration>
--- a/osu.Desktop.VisualTests/osu.Desktop.VisualTests.csproj
+++ b/osu.Desktop.VisualTests/osu.Desktop.VisualTests.csproj
@ -59,6 +59,7 @@
    <CodeAnalysisRuleSet>AllRules.ruleset</CodeAnalysisRuleSet>
    <RunCodeAnalysis>false</RunCodeAnalysis>
    <Prefer32Bit>false</Prefer32Bit>
+    <TreatWarningsAsErrors>false</TreatWarningsAsErrors>
  </PropertyGroup>
  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' ">
    <DebugType>none</DebugType>
@ -73,6 +74,7 @@
    <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
    <CodeAnalysisRuleSet>AllRules.ruleset</CodeAnalysisRuleSet>
    <Prefer32Bit>false</Prefer32Bit>
+    <TreatWarningsAsErrors>false</TreatWarningsAsErrors>
  </PropertyGroup>
  <PropertyGroup>
    <Win32Resource>
@ -80,6 +82,10 @@
  </PropertyGroup>
  <ItemGroup>
    <Reference Include="mscorlib" />
+    <Reference Include="OpenTK, Version=2.0.0.0, Culture=neutral, PublicKeyToken=bad199fe84eb3df4, processorArchitecture=MSIL">
+      <HintPath>$(SolutionDir)\packages\ppy.OpenTK.2.0.50727.1340\lib\net45\OpenTK.dll</HintPath>
+      <Private>True</Private>
+    </Reference>
    <Reference Include="SQLite.Net, Version=3.1.0.0, Culture=neutral, processorArchitecture=MSIL">
      <SpecificVersion>False</SpecificVersion>
      <HintPath>$(SolutionDir)\packages\SQLite.Net.Core-PCL.3.1.1\lib\portable-win8+net45+wp8+wpa81+MonoAndroid1+MonoTouch1\SQLite.Net.dll</HintPath>
@ -97,9 +103,6 @@
    <Reference Include="SQLite.Net.Platform.Generic">
      <HintPath>$(SolutionDir)\packages\SQLite.Net-PCL.3.1.1\lib\net40\SQLite.Net.Platform.Generic.dll</HintPath>
    </Reference>
-    <Reference Include="OpenTK">
-      <HintPath>$(SolutionDir)\packages\ppy.OpenTK.2.0.50727.1339\lib\net45\OpenTK.dll</HintPath>
-    </Reference>
    <Reference Include="System.Drawing" />
    <Reference Include="System.Xml" />
  </ItemGroup>
@ -107,6 +110,7 @@
    <None Include="..\osu.licenseheader">
      <Link>osu.licenseheader</Link>
    </None>
+    <None Include="app.config" />
    <None Include="packages.config" />
    <None Include="OpenTK.dll.config" />
  </ItemGroup>
@ -172,10 +176,12 @@
    </ProjectReference>
  </ItemGroup>
  <ItemGroup>
+    <Compile Include="Benchmark.cs" />
    <Compile Include="Program.cs" />
    <Compile Include="Tests\TestCaseChatDisplay.cs" />
    <Compile Include="Tests\TestCaseGamefield.cs" />
    <Compile Include="Tests\TestCaseMusicController.cs" />
+    <Compile Include="Tests\TestCaseNotificationManager.cs" />
    <Compile Include="Tests\TestCasePlayer.cs" />
    <Compile Include="Tests\TestCaseHitObjects.cs" />
    <Compile Include="Tests\TestCaseKeyCounter.cs" />
@ -189,6 +195,7 @@
    <Compile Include="Tests\TestCaseOptions.cs" />
    <Compile Include="Tests\TestCasePauseOverlay.cs" />
    <Compile Include="Tests\TestCaseSongProgress.cs" />
+    <Compile Include="Tests\TestCaseDialogOverlay.cs" />
  </ItemGroup>
  <ItemGroup />
  <ItemGroup />
--- a/osu.Desktop.VisualTests/packages.config
+++ b/osu.Desktop.VisualTests/packages.config
@ -1,12 +1,11 @@
 <?xml version="1.0" encoding="utf-8"?>
 <!--
-Copyright (c) 2007-2016 ppy Pty Ltd <contact@ppy.sh>.
+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="9.0.1" targetFramework="net45" />
-  <package id="ppy.OpenTK" version="2.0.50727.1339" targetFramework="net45" />
+  <package id="ppy.OpenTK" version="2.0.50727.1340" 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" />
--- a/osu.Desktop/Beatmaps/IO/LegacyFilesystemReader.cs
+++ b/osu.Desktop/Beatmaps/IO/LegacyFilesystemReader.cs
@ -1,9 +1,7 @@
-//Copyright (c) 2007-2016 ppy Pty Ltd <contact@ppy.sh>.
-//Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
+// 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.IO;
-using System.Collections.Generic;
 using System.Linq;
 using osu.Game.Beatmaps.Formats;
 using osu.Game.Beatmaps.IO;
@ -20,27 +18,22 @@ namespace osu.Desktop.Beatmaps.IO
        public static void Register() => AddReader<LegacyFilesystemReader>((storage, path) => Directory.Exists(path));

        private string basePath { get; set; }
-        private string[] beatmaps { get; set; }
        private Beatmap firstMap { get; set; }

        public LegacyFilesystemReader(string path)
        {
            basePath = path;
-            beatmaps = Directory.GetFiles(basePath, @"*.osu").Select(f => Path.GetFileName(f)).ToArray();
-            if (beatmaps.Length == 0)
+            BeatmapFilenames = Directory.GetFiles(basePath, @"*.osu").Select(f => Path.GetFileName(f)).ToArray();
+            if (BeatmapFilenames.Length == 0)
                throw new FileNotFoundException(@"This directory contains no beatmaps");
-            using (var stream = new StreamReader(GetStream(beatmaps[0])))
+            StoryboardFilename = Directory.GetFiles(basePath, @"*.osb").Select(f => Path.GetFileName(f)).FirstOrDefault();
+            using (var stream = new StreamReader(GetStream(BeatmapFilenames[0])))
            {
                var decoder = BeatmapDecoder.GetDecoder(stream);
                firstMap = decoder.Decode(stream);
            }
        }

-        public override string[] ReadBeatmaps()
-        {
-            return beatmaps;
-        }
-
        public override Stream GetStream(string name)
        {
            return File.OpenRead(Path.Combine(basePath, name));
--- a/osu.Desktop/OsuGameDesktop.cs
+++ b/osu.Desktop/OsuGameDesktop.cs
@ -1,30 +1,51 @@
-using osu.Game;
-using System;
-using System.Collections.Generic;
+// 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;
 using System.Linq;
-using System.Text;
-using System.Threading.Tasks;
 using System.Windows.Forms;
 using osu.Framework.Platform;
 using osu.Framework.Desktop.Platform;
-using osu.Game.Database;
+using osu.Desktop.Overlays;
+using System.Reflection;
+using System.Drawing;
+using osu.Game.Screens.Menu;

 namespace osu.Desktop
 {
    class OsuGameDesktop : OsuGame
    {
+        private VersionManager versionManager;
+
+        public override bool IsDeployedBuild => versionManager.IsDeployedBuild;
+
        public OsuGameDesktop(string[] args = null)
            : base(args)
        {
-
+            versionManager = new VersionManager { Depth = int.MinValue };
        }

-        public override void SetHost(BasicGameHost host)
+        protected override void LoadComplete()
+        {
+            base.LoadComplete();
+
+            versionManager.LoadAsync(this);
+            ModeChanged += m =>
+            {
+                if (!versionManager.IsAlive && m is Intro)
+                    Add(versionManager);
+            };
+        }
+
+        public override void SetHost(GameHost host)
        {
            base.SetHost(host);
            var desktopWindow = host.Window as DesktopGameWindow;
            if (desktopWindow != null)
            {
+                desktopWindow.Icon = Icon.ExtractAssociatedIcon(Assembly.GetExecutingAssembly().Location);
+                desktopWindow.Title = @"osu!lazer";
+
                desktopWindow.DragEnter += dragEnter;
                desktopWindow.DragDrop += dragDrop;
            }
@ -35,7 +56,7 @@ namespace osu.Desktop
            // this method will only be executed if e.Effect in dragEnter gets set to something other that None.
            var dropData = e.Data.GetData(DataFormats.FileDrop) as object[];
            var filePaths = dropData.Select(f => f.ToString()).ToArray();
-            ImportBeatmaps(filePaths);
+            ImportBeatmapsAsync(filePaths);
        }

        private void dragEnter(DragEventArgs e)
--- a/osu.Desktop/Overlays/VersionManager.cs
+++ b/osu.Desktop/Overlays/VersionManager.cs
@ -0,0 +1,231 @@
+// 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.Diagnostics;
+using osu.Framework.Allocation;
+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 System.Reflection;
+using osu.Framework.Graphics.Sprites;
+using osu.Framework.Graphics.Textures;
+using osu.Game.Graphics;
+using OpenTK;
+using OpenTK.Graphics;
+using System.Net.Http;
+
+namespace osu.Desktop.Overlays
+{
+    public class VersionManager : OverlayContainer
+    {
+        private UpdateManager updateManager;
+        private NotificationManager notificationManager;
+
+        AssemblyName assembly = Assembly.GetEntryAssembly().GetName();
+
+        public bool IsDeployedBuild => assembly.Version.Major > 0;
+
+        protected override bool HideOnEscape => false;
+
+        public override bool HandleInput => false;
+
+        [BackgroundDependencyLoader]
+        private void load(NotificationManager notification, OsuColour colours, TextureStore textures)
+        {
+            notificationManager = notification;
+
+            AutoSizeAxes = Axes.Both;
+            Anchor = Anchor.BottomCentre;
+            Origin = Anchor.BottomCentre;
+            Alpha = 0;
+
+            bool isDebug = false;
+            Debug.Assert(isDebug = true);
+
+            string version;
+            if (!IsDeployedBuild)
+            {
+                version = @"local " + (isDebug ? @"debug" : @"release");
+            }
+            else
+                version = $@"{assembly.Version.Major}.{assembly.Version.Minor}.{assembly.Version.Build}";
+
+            Children = new Drawable[]
+            {
+                new FillFlowContainer
+                {
+                    AutoSizeAxes = Axes.Both,
+                    Direction = FillDirection.Down,
+                    Children = new Drawable[]
+                    {
+                        new FillFlowContainer
+                        {
+                            AutoSizeAxes = Axes.Both,
+                            Direction = FillDirection.Right,
+                            Spacing = new Vector2(5),
+                            Anchor = Anchor.TopCentre,
+                            Origin = Anchor.TopCentre,
+                            Children = new Drawable[]
+                            {
+                                new OsuSpriteText
+                                {
+                                    Font = @"Exo2.0-Bold",
+                                    Text = $@"osu!lazer"
+                                },
+                                new OsuSpriteText
+                                {
+                                    Colour = isDebug ? colours.Red : Color4.White,
+                                    Text = version
+                                },
+                            }
+                        },
+                        new OsuSpriteText
+                        {
+                            Anchor = Anchor.TopCentre,
+                            Origin = Anchor.TopCentre,
+                            TextSize = 12,
+                            Colour = colours.Yellow,
+                            Font = @"Venera",
+                            Text = $@"Development Build"
+                        },
+                        new Sprite
+                        {
+                            Anchor = Anchor.TopCentre,
+                            Origin = Anchor.TopCentre,
+                            Texture = textures.Get(@"Menu/dev-build-footer"),
+                        },
+                    }
+                }
+            };
+
+            if (IsDeployedBuild)
+                checkForUpdateAsync();
+        }
+
+        protected override void LoadComplete()
+        {
+            base.LoadComplete();
+            State = Visibility.Visible;
+        }
+
+        protected override void Dispose(bool isDisposing)
+        {
+            base.Dispose(isDisposing);
+            updateManager?.Dispose();
+        }
+
+        private async void checkForUpdateAsync(bool useDeltaPatching = true, UpdateProgressNotification notification = null)
+        {
+            //should we schedule a retry on completion of this check?
+            bool scheduleRetry = true;
+
+            try
+            {
+                if (updateManager == null) updateManager = await UpdateManager.GitHubUpdateManager(@"https://github.com/ppy/osu", @"osulazer", null, null, true);
+
+                var info = await updateManager.CheckForUpdate(!useDeltaPatching);
+                if (info.ReleasesToApply.Count == 0)
+                    //no updates available. bail and retry later.
+                    return;
+
+                if (notification == null)
+                {
+                    notification = new UpdateProgressNotification { State = ProgressNotificationState.Active };
+                    Schedule(() => notificationManager.Post(notification));
+                }
+
+                Schedule(() =>
+                {
+                    notification.Progress = 0;
+                    notification.Text = @"Downloading update...";
+                });
+
+                try
+                {
+                    await updateManager.DownloadReleases(info.ReleasesToApply, p => Schedule(() => notification.Progress = p / 100f));
+
+                    Schedule(() =>
+                    {
+                        notification.Progress = 0;
+                        notification.Text = @"Installing update...";
+                    });
+
+                    await updateManager.ApplyReleases(info, p => Schedule(() => notification.Progress = p / 100f));
+
+                    Schedule(() => notification.State = ProgressNotificationState.Completed);
+                }
+                catch (Exception)
+                {
+                    if (useDeltaPatching)
+                    {
+                        //could fail if deltas are unavailable for full update path (https://github.com/Squirrel/Squirrel.Windows/issues/959)
+                        //try again without deltas.
+                        checkForUpdateAsync(false, notification);
+                        scheduleRetry = false;
+                    }
+                }
+            }
+            catch (HttpRequestException)
+            {
+                //likely have no internet connection.
+                //we'll ignore this and retry later.
+            }
+            finally
+            {
+                if (scheduleRetry)
+                {
+                    //check again in 30 minutes.
+                    Scheduler.AddDelayed(() => checkForUpdateAsync(), 60000 * 30);
+                    if (notification != null)
+                        notification.State = ProgressNotificationState.Cancelled;
+                }
+            }
+        }
+
+        protected override void PopIn()
+        {
+            FadeIn(1000);
+        }
+
+        protected override void PopOut()
+        {
+        }
+
+        class UpdateProgressNotification : ProgressNotification
+        {
+            protected override Notification CreateCompletionNotification() => new ProgressCompletionNotification(this)
+            {
+                Text = @"Update ready to install. Click to restart!",
+                Activated = () =>
+                {
+                    UpdateManager.RestartApp();
+                    return true;
+                }
+            };
+
+            [BackgroundDependencyLoader]
+            private void load(OsuColour colours)
+            {
+                IconContent.Add(new Drawable[]
+                {
+                    new Box
+                    {
+                        RelativeSizeAxes = Axes.Both,
+                        ColourInfo = ColourInfo.GradientVertical(colours.YellowDark, colours.Yellow)
+                    },
+                    new TextAwesome
+                    {
+                        Anchor = Anchor.Centre,
+                        Icon = FontAwesome.fa_upload,
+                        Colour = Color4.White,
+                    }
+                });
+            }
+        }
+    }
+}
--- a/osu.Desktop/Program.cs
+++ b/osu.Desktop/Program.cs
@ -1,16 +1,11 @@
-//Copyright (c) 2007-2016 ppy Pty Ltd <contact@ppy.sh>.
-//Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
+// 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.IO;
-using System.Linq;
-using System.Threading;
 using osu.Desktop.Beatmaps.IO;
-using osu.Framework;
 using osu.Framework.Desktop;
 using osu.Framework.Desktop.Platform;
-using osu.Framework.Platform;
-using osu.Game;
 using osu.Game.IPC;
 using osu.Game.Modes;
 using osu.Game.Modes.Catch;
@ -40,7 +35,7 @@ namespace osu.Desktop
                    foreach (var file in args)
                    {
                        Console.WriteLine(@"Importing {0}", file);
-                        if (!importer.Import(Path.GetFullPath(file)).Wait(3000))
+                        if (!importer.ImportAsync(Path.GetFullPath(file)).Wait(3000))
                            throw new TimeoutException(@"IPC took too long to send");
                    }
                }
@ -51,9 +46,7 @@ namespace osu.Desktop
                    Ruleset.Register(new ManiaRuleset());
                    Ruleset.Register(new CatchRuleset());

-                    BaseGame osu = new OsuGameDesktop(args);
-                    host.Add(osu);
-                    host.Run();
+                    host.Run(new OsuGameDesktop(args));
                }
                return 0;
            }
--- a/osu.Desktop/Properties/AssemblyInfo.cs
+++ b/osu.Desktop/Properties/AssemblyInfo.cs
@ -0,0 +1,28 @@
+// 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.Reflection;
+using System.Runtime.InteropServices;
+
+// General Information about an assembly is controlled through the following 
+// set of attributes. Change these attribute values to modify the information
+// associated with an assembly.
+[assembly: AssemblyTitle("osu!lazer")]
+[assembly: AssemblyDescription("click the circles. to the beat.")]
+[assembly: AssemblyConfiguration("")]
+[assembly: AssemblyCompany("ppy Pty Ltd")]
+[assembly: AssemblyProduct("osu!lazer")]
+[assembly: AssemblyCopyright("ppy Pty Ltd 2007-2017")]
+[assembly: AssemblyTrademark("")]
+[assembly: AssemblyCulture("")]
+
+// Setting ComVisible to false makes the types in this assembly not visible 
+// to COM components.  If you need to access a type in this assembly from 
+// COM, set the ComVisible attribute to true on that type.
+[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: AssemblyVersion("0.0.0")]
+[assembly: AssemblyFileVersion("0.0.0")]
--- a/osu.Desktop/app.config
+++ b/osu.Desktop/app.config
@ -0,0 +1,19 @@
+<?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
+-->
+<configuration>
+  <runtime>
+    <assemblyBinding xmlns="urn:schemas-microsoft-com:asm.v1">
+      <dependentAssembly>
+        <assemblyIdentity name="Newtonsoft.Json" publicKeyToken="30ad4fe6b2a6aeed" culture="neutral" />
+        <bindingRedirect oldVersion="0.0.0.0-9.0.0.0" newVersion="9.0.0.0" />
+      </dependentAssembly>
+      <dependentAssembly>
+        <assemblyIdentity name="DeltaCompressionDotNet.MsDelta" publicKeyToken="46b2138a390abf55" culture="neutral" />
+        <bindingRedirect oldVersion="0.0.0.0-1.1.0.0" newVersion="1.1.0.0" />
+      </dependentAssembly>
+    </assemblyBinding>
+  </runtime>
+</configuration>
--- a/osu.Desktop/osu.Desktop.csproj
+++ b/osu.Desktop/osu.Desktop.csproj
@ -59,6 +59,7 @@
    <CodeAnalysisRuleSet>AllRules.ruleset</CodeAnalysisRuleSet>
    <RunCodeAnalysis>false</RunCodeAnalysis>
    <Prefer32Bit>false</Prefer32Bit>
+    <TreatWarningsAsErrors>false</TreatWarningsAsErrors>
    <Commandlineparameters>
    </Commandlineparameters>
  </PropertyGroup>
@ -75,21 +76,86 @@
    <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
    <CodeAnalysisRuleSet>AllRules.ruleset</CodeAnalysisRuleSet>
    <Prefer32Bit>false</Prefer32Bit>
+    <TreatWarningsAsErrors>false</TreatWarningsAsErrors>
  </PropertyGroup>
  <PropertyGroup>
-    <Win32Resource>osu!.res</Win32Resource>
+    <Win32Resource>
+    </Win32Resource>
+  </PropertyGroup>
+  <PropertyGroup>
+    <ApplicationIcon>lazer.ico</ApplicationIcon>
+  </PropertyGroup>
+  <PropertyGroup>
+    <ApplicationManifest>Properties\app.manifest</ApplicationManifest>
  </PropertyGroup>
  <ItemGroup>
+    <Reference Include="DeltaCompressionDotNet, Version=1.1.0.0, Culture=neutral, PublicKeyToken=1d14d6e5194e7f4a, processorArchitecture=MSIL">
+      <HintPath>$(SolutionDir)\packages\DeltaCompressionDotNet.1.1.0\lib\net20\DeltaCompressionDotNet.dll</HintPath>
+      <Private>True</Private>
+    </Reference>
+    <Reference Include="DeltaCompressionDotNet.MsDelta, Version=1.1.0.0, Culture=neutral, PublicKeyToken=46b2138a390abf55, processorArchitecture=MSIL">
+      <HintPath>$(SolutionDir)\packages\DeltaCompressionDotNet.1.1.0\lib\net20\DeltaCompressionDotNet.MsDelta.dll</HintPath>
+      <Private>True</Private>
+    </Reference>
+    <Reference Include="DeltaCompressionDotNet.PatchApi, Version=1.1.0.0, Culture=neutral, PublicKeyToken=3e8888ee913ed789, processorArchitecture=MSIL">
+      <HintPath>$(SolutionDir)\packages\DeltaCompressionDotNet.1.1.0\lib\net20\DeltaCompressionDotNet.PatchApi.dll</HintPath>
+      <Private>True</Private>
+    </Reference>
+    <Reference Include="ICSharpCode.SharpZipLib, Version=0.86.0.518, Culture=neutral, processorArchitecture=MSIL">
+      <HintPath>$(SolutionDir)\packages\squirrel.windows.1.5.2\lib\Net45\ICSharpCode.SharpZipLib.dll</HintPath>
+      <Private>True</Private>
+    </Reference>
+    <Reference Include="Mono.Cecil, Version=0.9.6.0, Culture=neutral, PublicKeyToken=0738eb9f132ed756, processorArchitecture=MSIL">
+      <HintPath>$(SolutionDir)\packages\Mono.Cecil.0.9.6.4\lib\net45\Mono.Cecil.dll</HintPath>
+      <Private>True</Private>
+    </Reference>
+    <Reference Include="Mono.Cecil.Mdb, Version=0.9.6.0, Culture=neutral, PublicKeyToken=0738eb9f132ed756, processorArchitecture=MSIL">
+      <HintPath>$(SolutionDir)\packages\Mono.Cecil.0.9.6.4\lib\net45\Mono.Cecil.Mdb.dll</HintPath>
+      <Private>True</Private>
+    </Reference>
+    <Reference Include="Mono.Cecil.Pdb, Version=0.9.6.0, Culture=neutral, PublicKeyToken=0738eb9f132ed756, processorArchitecture=MSIL">
+      <HintPath>$(SolutionDir)\packages\Mono.Cecil.0.9.6.4\lib\net45\Mono.Cecil.Pdb.dll</HintPath>
+      <Private>True</Private>
+    </Reference>
+    <Reference Include="Mono.Cecil.Rocks, Version=0.9.6.0, Culture=neutral, PublicKeyToken=0738eb9f132ed756, processorArchitecture=MSIL">
+      <HintPath>$(SolutionDir)\packages\Mono.Cecil.0.9.6.4\lib\net45\Mono.Cecil.Rocks.dll</HintPath>
+      <Private>True</Private>
+    </Reference>
    <Reference Include="mscorlib" />
+    <Reference Include="NuGet.Squirrel, Version=3.0.0.0, Culture=neutral, processorArchitecture=MSIL">
+      <HintPath>$(SolutionDir)\packages\squirrel.windows.1.5.2\lib\Net45\NuGet.Squirrel.dll</HintPath>
+      <Private>True</Private>
+    </Reference>
    <Reference Include="OpenTK, Version=2.0.0.0, Culture=neutral, PublicKeyToken=bad199fe84eb3df4" />
+    <Reference Include="Splat, Version=2.0.0.0, Culture=neutral, processorArchitecture=MSIL">
+      <HintPath>$(SolutionDir)\packages\Splat.2.0.0\lib\Net45\Splat.dll</HintPath>
+      <Private>True</Private>
+    </Reference>
+    <Reference Include="Squirrel, Version=1.5.2.0, Culture=neutral, processorArchitecture=MSIL">
+      <HintPath>$(SolutionDir)\packages\squirrel.windows.1.5.2\lib\Net45\Squirrel.dll</HintPath>
+      <Private>True</Private>
+    </Reference>
    <Reference Include="System" />
+    <Reference Include="System.Drawing" />
+    <Reference Include="System.Net.Http" />
+    <Reference Include="System.Net.Http.Extensions, Version=2.2.29.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a, processorArchitecture=MSIL">
+      <HintPath>$(SolutionDir)\packages\Microsoft.Net.Http.2.2.29\lib\net45\System.Net.Http.Extensions.dll</HintPath>
+      <Private>True</Private>
+    </Reference>
+    <Reference Include="System.Net.Http.Primitives, Version=4.2.29.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a, processorArchitecture=MSIL">
+      <HintPath>$(SolutionDir)\packages\Microsoft.Net.Http.2.2.29\lib\net45\System.Net.Http.Primitives.dll</HintPath>
+      <Private>True</Private>
+    </Reference>
+    <Reference Include="System.Net.Http.WebRequest" />
    <Reference Include="System.Windows.Forms" />
  </ItemGroup>
  <ItemGroup>
    <None Include="..\osu.licenseheader">
      <Link>osu.licenseheader</Link>
    </None>
+    <None Include="app.config" />
    <None Include="osu!.res" />
+    <None Include="packages.config" />
    <None Include="Properties\app.manifest" />
  </ItemGroup>
  <ItemGroup>
@ -155,11 +221,14 @@
  </ItemGroup>
  <ItemGroup>
    <Compile Include="OsuGameDesktop.cs" />
+    <Compile Include="Overlays\VersionManager.cs" />
    <Compile Include="Program.cs" />
    <Compile Include="Beatmaps\IO\LegacyFilesystemReader.cs" />
+    <Compile Include="Properties\AssemblyInfo.cs" />
+  </ItemGroup>
+  <ItemGroup>
+    <Content Include="lazer.ico" />
  </ItemGroup>
-  <ItemGroup />
-  <ItemGroup />
  <Import Project="$(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.
--- a/osu.Desktop/osu.nuspec
+++ b/osu.Desktop/osu.nuspec
@ -0,0 +1,25 @@
+<?xml version="1.0" encoding="utf-8"?>
+<package xmlns="http://schemas.microsoft.com/packaging/2011/08/nuspec.xsd">
+    <metadata>
+        <id>osulazer</id>
+        <version>0.0.0</version>
+        <title>osulazer</title>
+        <authors>ppy Pty Ltd</authors>
+        <owners>Dean Herbert</owners>
+        <projectUrl>https://osu.ppy.sh/</projectUrl>
+        <iconUrl>https://puu.sh/tYyXZ/9a01a5d1b0.ico</iconUrl>
+        <requireLicenseAcceptance>false</requireLicenseAcceptance>
+        <description>click the circles. to the beat.</description>
+        <summary>click the circles.</summary>
+        <releaseNotes>testing</releaseNotes>
+        <copyright>Copyright ppy Pty Ltd 2007-2017</copyright>
+        <language>en-AU</language>
+    </metadata>
+    <files>
+      <file src="*.exe" target="lib\net45\" exclude="**vshost**"/>
+      <file src="*.dll" target="lib\net45\"/>
+      <file src="x86\*.dll" target="lib\net45\x86\"/>
+      <file src="x64\*.dll" target="lib\net45\x64\"/>
+    </files>
+</package>
+
--- a/osu.Desktop/packages.config
+++ b/osu.Desktop/packages.config
@ -0,0 +1,12 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+Copyright (c) 2007-2017 ppy Pty Ltd <contact@ppy.sh>.
+Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
+-->
+<packages>
+  <package id="DeltaCompressionDotNet" version="1.1.0" targetFramework="net45" />
+  <package id="Microsoft.Net.Http" version="2.2.29" targetFramework="net45" />
+  <package id="Mono.Cecil" version="0.9.6.4" targetFramework="net45" />
+  <package id="Splat" version="2.0.0" targetFramework="net45" />
+  <package id="squirrel.windows" version="1.5.2" targetFramework="net45" />
+</packages>
--- a/osu.Game.Modes.Catch/CatchDifficultyCalculator.cs
+++ b/osu.Game.Modes.Catch/CatchDifficultyCalculator.cs
@ -0,0 +1,27 @@
+// 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.Modes.Catch.Objects;
+using osu.Game.Modes.Objects;
+using System;
+using System.Collections.Generic;
+
+namespace osu.Game.Modes.Catch
+{
+    public class CatchDifficultyCalculator : DifficultyCalculator<CatchBaseHit>
+    {
+        protected override PlayMode PlayMode => PlayMode.Catch;
+
+        public CatchDifficultyCalculator(Beatmap beatmap) : base(beatmap)
+        {
+        }
+
+        protected override HitObjectConverter<CatchBaseHit> Converter => new CatchConverter();
+
+        protected override double CalculateInternal(Dictionary<String, String> categoryDifficulty)
+        {
+            return 0;
+        }
+    }
+}
--- a/osu.Game.Modes.Catch/CatchRuleset.cs
+++ b/osu.Game.Modes.Catch/CatchRuleset.cs
@ -1,13 +1,12 @@
-//Copyright (c) 2007-2016 ppy Pty Ltd <contact@ppy.sh>.
-//Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
+// 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.Game.Graphics;
 using osu.Game.Modes.Catch.UI;
 using osu.Game.Modes.Objects;
-using osu.Game.Modes.Osu.Objects;
 using osu.Game.Modes.Osu.UI;
 using osu.Game.Modes.UI;
+using osu.Game.Beatmaps;

 namespace osu.Game.Modes.Catch
 {
@ -15,7 +14,7 @@ namespace osu.Game.Modes.Catch
    {
        public override ScoreOverlay CreateScoreOverlay() => new OsuScoreOverlay();

-        public override HitRenderer CreateHitRendererWith(List<HitObject> objects) => new CatchHitRenderer { Objects = objects };
+        public override HitRenderer CreateHitRendererWith(Beatmap beatmap) => new CatchHitRenderer { Beatmap = beatmap };

        protected override PlayMode PlayMode => PlayMode.Catch;

@ -23,6 +22,8 @@ namespace osu.Game.Modes.Catch

        public override ScoreProcessor CreateScoreProcessor(int hitObjectCount) => null;

-        public override HitObjectParser CreateHitObjectParser() => new OsuHitObjectParser();
+        public override HitObjectParser CreateHitObjectParser() => new NullHitObjectParser();
+
+        public override DifficultyCalculator CreateDifficultyCalculator(Beatmap beatmap) => new CatchDifficultyCalculator(beatmap);
    }
 }
--- a/osu.Game.Modes.Catch/Objects/CatchBaseHit.cs
+++ b/osu.Game.Modes.Catch/Objects/CatchBaseHit.cs
@ -1,5 +1,5 @@
-//Copyright (c) 2007-2016 ppy Pty Ltd <contact@ppy.sh>.
-//Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
+// 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.Modes.Objects;

--- a/osu.Game.Modes.Catch/Objects/CatchConverter.cs
+++ b/osu.Game.Modes.Catch/Objects/CatchConverter.cs
@ -1,19 +1,20 @@
-//Copyright (c) 2007-2016 ppy Pty Ltd <contact@ppy.sh>.
-//Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
+// 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.Game.Modes.Objects;
 using osu.Game.Modes.Osu.Objects;
+using osu.Game.Beatmaps;

 namespace osu.Game.Modes.Catch.Objects
 {
    class CatchConverter : HitObjectConverter<CatchBaseHit>
    {
-        public override List<CatchBaseHit> Convert(List<HitObject> input)
+        public override List<CatchBaseHit> Convert(Beatmap beatmap)
        {
            List<CatchBaseHit> output = new List<CatchBaseHit>();

-            foreach (HitObject i in input)
+            foreach (HitObject i in beatmap.HitObjects)
            {
                CatchBaseHit h = i as CatchBaseHit;

--- a/osu.Game.Modes.Catch/Objects/Drawable/DrawableFruit.cs
+++ b/osu.Game.Modes.Catch/Objects/Drawable/DrawableFruit.cs
@ -1,11 +1,11 @@
-//Copyright (c) 2007-2016 ppy Pty Ltd <contact@ppy.sh>.
-//Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
+// 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.Framework.Graphics.Sprites;
 using osu.Framework.Graphics.Textures;
-using osu.Framework.Graphics.Transformations;
+using osu.Framework.Graphics.Transforms;
 using OpenTK;

 namespace osu.Game.Modes.Catch.Objects.Drawable
--- a/osu.Game.Modes.Catch/Objects/Droplet.cs
+++ b/osu.Game.Modes.Catch/Objects/Droplet.cs
@ -1,5 +1,5 @@
-//Copyright (c) 2007-2016 ppy Pty Ltd <contact@ppy.sh>.
-//Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
+// Copyright (c) 2007-2017 ppy Pty Ltd <contact@ppy.sh>.
+// Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE

 namespace osu.Game.Modes.Catch.Objects
 {
--- a/osu.Game.Modes.Catch/Objects/Fruit.cs
+++ b/osu.Game.Modes.Catch/Objects/Fruit.cs
@ -1,5 +1,5 @@
-//Copyright (c) 2007-2016 ppy Pty Ltd <contact@ppy.sh>.
-//Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
+// Copyright (c) 2007-2017 ppy Pty Ltd <contact@ppy.sh>.
+// Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE

 namespace osu.Game.Modes.Catch.Objects
 {
--- a/osu.Game.Modes.Catch/OpenTK.dll.config
+++ b/osu.Game.Modes.Catch/OpenTK.dll.config
@ -1,8 +1,7 @@
 <!--
-Copyright (c) 2007-2016 ppy Pty Ltd <contact@ppy.sh>.
+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"/>
--- a/osu.Game.Modes.Catch/Properties/AssemblyInfo.cs
+++ b/osu.Game.Modes.Catch/Properties/AssemblyInfo.cs
@ -1,8 +1,7 @@
-//Copyright (c) 2007-2016 ppy Pty Ltd <contact@ppy.sh>.
-//Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
+// 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.Reflection;
-using System.Runtime.CompilerServices;
 using System.Runtime.InteropServices;

 // General Information about an assembly is controlled through the following 
--- a/osu.Game.Modes.Catch/UI/CatchComboCounter.cs
+++ b/osu.Game.Modes.Catch/UI/CatchComboCounter.cs
@ -1,5 +1,5 @@
-//Copyright (c) 2007-2016 ppy Pty Ltd <contact@ppy.sh>.
-//Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
+// 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.Modes.Osu.UI;
 using OpenTK.Graphics;
--- a/osu.Game.Modes.Catch/UI/CatchHitRenderer.cs
+++ b/osu.Game.Modes.Catch/UI/CatchHitRenderer.cs
@ -1,5 +1,5 @@
-//Copyright (c) 2007-2016 ppy Pty Ltd <contact@ppy.sh>.
-//Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
+// 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.Modes.Catch.Objects;
 using osu.Game.Modes.Objects;
--- a/osu.Game.Modes.Catch/UI/CatchPlayfield.cs
+++ b/osu.Game.Modes.Catch/UI/CatchPlayfield.cs
@ -1,5 +1,5 @@
-//Copyright (c) 2007-2016 ppy Pty Ltd <contact@ppy.sh>.
-//Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
+// 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.Sprites;
--- a/osu.Game.Modes.Catch/osu.Game.Modes.Catch.csproj
+++ b/osu.Game.Modes.Catch/osu.Game.Modes.Catch.csproj
@ -20,6 +20,7 @@
    <DefineConstants>DEBUG;TRACE</DefineConstants>
    <ErrorReport>prompt</ErrorReport>
    <WarningLevel>4</WarningLevel>
+    <TreatWarningsAsErrors>false</TreatWarningsAsErrors>
  </PropertyGroup>
  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' ">
    <DebugType>pdbonly</DebugType>
@ -28,10 +29,11 @@
    <DefineConstants>TRACE</DefineConstants>
    <ErrorReport>prompt</ErrorReport>
    <WarningLevel>4</WarningLevel>
+    <TreatWarningsAsErrors>false</TreatWarningsAsErrors>
  </PropertyGroup>
  <ItemGroup>
    <Reference Include="OpenTK, Version=2.0.0.0, Culture=neutral, PublicKeyToken=bad199fe84eb3df4, processorArchitecture=MSIL">
-      <HintPath>..\packages\ppy.OpenTK.2.0.50727.1339\lib\net45\OpenTK.dll</HintPath>
+      <HintPath>$(SolutionDir)\packages\ppy.OpenTK.2.0.50727.1340\lib\net45\OpenTK.dll</HintPath>
      <Private>True</Private>
    </Reference>
    <Reference Include="System" />
@ -45,6 +47,7 @@
    <Reference Include="System.Xml" />
  </ItemGroup>
  <ItemGroup>
+    <Compile Include="CatchDifficultyCalculator.cs" />
    <Compile Include="Objects\CatchBaseHit.cs" />
    <Compile Include="Objects\CatchConverter.cs" />
    <Compile Include="Objects\Drawable\DrawableFruit.cs" />
--- a/osu.Game.Modes.Catch/packages.config
+++ b/osu.Game.Modes.Catch/packages.config
@ -1,9 +1,8 @@
 <?xml version="1.0" encoding="utf-8"?>
 <!--
-Copyright (c) 2007-2016 ppy Pty Ltd <contact@ppy.sh>.
+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="2.0.50727.1339" targetFramework="net45" />
+  <package id="ppy.OpenTK" version="2.0.50727.1340" targetFramework="net45" />
 </packages>
--- a/osu.Game.Modes.Mania/ManiaDifficultyCalculator.cs
+++ b/osu.Game.Modes.Mania/ManiaDifficultyCalculator.cs
@ -0,0 +1,30 @@
+// 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.Modes.Mania.Objects;
+using osu.Game.Modes.Objects;
+using System;
+using System.Collections.Generic;
+
+namespace osu.Game.Modes.Mania
+{
+    public class ManiaDifficultyCalculator : DifficultyCalculator<ManiaBaseHit>
+    {
+        protected override PlayMode PlayMode => PlayMode.Mania;
+
+        private int columns;
+
+        public ManiaDifficultyCalculator(Beatmap beatmap, int columns = 5) : base(beatmap)
+        {
+            this.columns = columns;
+        }
+
+        protected override HitObjectConverter<ManiaBaseHit> Converter => new ManiaConverter(columns);
+
+        protected override double CalculateInternal(Dictionary<String, String> categoryDifficulty)
+        {
+            return 0;
+        }
+    }
+}
--- a/osu.Game.Modes.Mania/ManiaRuleset.cs
+++ b/osu.Game.Modes.Mania/ManiaRuleset.cs
@ -1,14 +1,12 @@
-//Copyright (c) 2007-2016 ppy Pty Ltd <contact@ppy.sh>.
-//Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
+// 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.Game.Graphics;
 using osu.Game.Modes.Mania.UI;
 using osu.Game.Modes.Objects;
-using osu.Game.Modes.Osu;
-using osu.Game.Modes.Osu.Objects;
 using osu.Game.Modes.Osu.UI;
 using osu.Game.Modes.UI;
+using osu.Game.Beatmaps;

 namespace osu.Game.Modes.Mania
 {
@ -16,7 +14,7 @@ namespace osu.Game.Modes.Mania
    {
        public override ScoreOverlay CreateScoreOverlay() => new OsuScoreOverlay();

-        public override HitRenderer CreateHitRendererWith(List<HitObject> objects) => new ManiaHitRenderer { Objects = objects };
+        public override HitRenderer CreateHitRendererWith(Beatmap beatmap) => new ManiaHitRenderer { Beatmap = beatmap };

        protected override PlayMode PlayMode => PlayMode.Mania;

@ -24,6 +22,8 @@ namespace osu.Game.Modes.Mania

        public override ScoreProcessor CreateScoreProcessor(int hitObjectCount) => null;

-        public override HitObjectParser CreateHitObjectParser() => new OsuHitObjectParser();
+        public override HitObjectParser CreateHitObjectParser() => new NullHitObjectParser();
+
+        public override DifficultyCalculator CreateDifficultyCalculator(Beatmap beatmap) => new ManiaDifficultyCalculator(beatmap);
    }
 }
--- a/osu.Game.Modes.Mania/Objects/Drawable/DrawableNote.cs
+++ b/osu.Game.Modes.Mania/Objects/Drawable/DrawableNote.cs
@ -1,10 +1,10 @@
-//Copyright (c) 2007-2016 ppy Pty Ltd <contact@ppy.sh>.
-//Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
+// 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.Sprites;
 using osu.Framework.Graphics.Textures;
-using osu.Framework.Graphics.Transformations;
+using osu.Framework.Graphics.Transforms;
 using osu.Framework.Graphics;
 using OpenTK;

--- a/osu.Game.Modes.Mania/Objects/HoldNote.cs
+++ b/osu.Game.Modes.Mania/Objects/HoldNote.cs
@ -1,5 +1,5 @@
-//Copyright (c) 2007-2016 ppy Pty Ltd <contact@ppy.sh>.
-//Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
+// Copyright (c) 2007-2017 ppy Pty Ltd <contact@ppy.sh>.
+// Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE

 namespace osu.Game.Modes.Mania.Objects
 {
--- a/osu.Game.Modes.Mania/Objects/ManiaBaseHit.cs
+++ b/osu.Game.Modes.Mania/Objects/ManiaBaseHit.cs
@ -1,5 +1,5 @@
-//Copyright (c) 2007-2016 ppy Pty Ltd <contact@ppy.sh>.
-//Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
+// 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.Modes.Objects;

--- a/osu.Game.Modes.Mania/Objects/ManiaConverter.cs
+++ b/osu.Game.Modes.Mania/Objects/ManiaConverter.cs
@ -1,10 +1,11 @@
-//Copyright (c) 2007-2016 ppy Pty Ltd <contact@ppy.sh>.
-//Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
+// 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 osu.Game.Modes.Objects;
 using osu.Game.Modes.Osu.Objects;
+using osu.Game.Beatmaps;

 namespace osu.Game.Modes.Mania.Objects
 {
@ -17,11 +18,11 @@ namespace osu.Game.Modes.Mania.Objects
            this.columns = columns;
        }

-        public override List<ManiaBaseHit> Convert(List<HitObject> input)
+        public override List<ManiaBaseHit> Convert(Beatmap beatmap)
        {
            List<ManiaBaseHit> output = new List<ManiaBaseHit>();

-            foreach (HitObject i in input)
+            foreach (HitObject i in beatmap.HitObjects)
            {
                ManiaBaseHit h = i as ManiaBaseHit;

--- a/osu.Game.Modes.Mania/Objects/Note.cs
+++ b/osu.Game.Modes.Mania/Objects/Note.cs
@ -1,5 +1,5 @@
-//Copyright (c) 2007-2016 ppy Pty Ltd <contact@ppy.sh>.
-//Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
+// Copyright (c) 2007-2017 ppy Pty Ltd <contact@ppy.sh>.
+// Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE

 namespace osu.Game.Modes.Mania.Objects
 {
--- a/osu.Game.Modes.Mania/OpenTK.dll.config
+++ b/osu.Game.Modes.Mania/OpenTK.dll.config
@ -1,8 +1,7 @@
 <!--
-Copyright (c) 2007-2016 ppy Pty Ltd <contact@ppy.sh>.
+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"/>
--- a/osu.Game.Modes.Mania/Properties/AssemblyInfo.cs
+++ b/osu.Game.Modes.Mania/Properties/AssemblyInfo.cs
@ -1,8 +1,7 @@
-//Copyright (c) 2007-2016 ppy Pty Ltd <contact@ppy.sh>.
-//Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
+// 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.Reflection;
-using System.Runtime.CompilerServices;
 using System.Runtime.InteropServices;

 // General Information about an assembly is controlled through the following 
--- a/osu.Game.Modes.Mania/UI/ManiaComboCounter.cs
+++ b/osu.Game.Modes.Mania/UI/ManiaComboCounter.cs
@ -1,8 +1,8 @@
-//Copyright (c) 2007-2016 ppy Pty Ltd <contact@ppy.sh>.
-//Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
+// 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.Transformations;
+using osu.Framework.Graphics.Transforms;
 using osu.Game.Modes.Taiko.UI;
 using OpenTK.Graphics;

--- a/osu.Game.Modes.Mania/UI/ManiaHitRenderer.cs
+++ b/osu.Game.Modes.Mania/UI/ManiaHitRenderer.cs
@ -1,5 +1,5 @@
-//Copyright (c) 2007-2016 ppy Pty Ltd <contact@ppy.sh>.
-//Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
+// 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.Modes.Mania.Objects;
 using osu.Game.Modes.Objects;
--- a/osu.Game.Modes.Mania/UI/ManiaPlayfield.cs
+++ b/osu.Game.Modes.Mania/UI/ManiaPlayfield.cs
@ -1,5 +1,5 @@
-//Copyright (c) 2007-2016 ppy Pty Ltd <contact@ppy.sh>.
-//Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
+// 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.Sprites;
--- a/osu.Game.Modes.Mania/app.config
+++ b/osu.Game.Modes.Mania/app.config
@ -1,9 +1,8 @@
 <?xml version="1.0" encoding="utf-8"?>
 <!--
-Copyright (c) 2007-2016 ppy Pty Ltd <contact@ppy.sh>.
+Copyright (c) 2007-2017 ppy Pty Ltd <contact@ppy.sh>.
 Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
 -->
-
 <configuration>
  <runtime>
    <assemblyBinding xmlns="urn:schemas-microsoft-com:asm.v1">
--- a/osu.Game.Modes.Mania/osu.Game.Modes.Mania.csproj
+++ b/osu.Game.Modes.Mania/osu.Game.Modes.Mania.csproj
@ -20,6 +20,7 @@
    <DefineConstants>DEBUG;TRACE</DefineConstants>
    <ErrorReport>prompt</ErrorReport>
    <WarningLevel>4</WarningLevel>
+    <TreatWarningsAsErrors>false</TreatWarningsAsErrors>
  </PropertyGroup>
  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' ">
    <DebugType>pdbonly</DebugType>
@ -28,10 +29,11 @@
    <DefineConstants>TRACE</DefineConstants>
    <ErrorReport>prompt</ErrorReport>
    <WarningLevel>4</WarningLevel>
+    <TreatWarningsAsErrors>false</TreatWarningsAsErrors>
  </PropertyGroup>
  <ItemGroup>
    <Reference Include="OpenTK, Version=2.0.0.0, Culture=neutral, PublicKeyToken=bad199fe84eb3df4, processorArchitecture=MSIL">
-      <HintPath>..\packages\ppy.OpenTK.2.0.50727.1339\lib\net45\OpenTK.dll</HintPath>
+      <HintPath>$(SolutionDir)\packages\ppy.OpenTK.2.0.50727.1340\lib\net45\OpenTK.dll</HintPath>
      <Private>True</Private>
    </Reference>
    <Reference Include="System" />
@ -45,6 +47,7 @@
    <Reference Include="System.Xml" />
  </ItemGroup>
  <ItemGroup>
+    <Compile Include="ManiaDifficultyCalculator.cs" />
    <Compile Include="Objects\Drawable\DrawableNote.cs" />
    <Compile Include="Objects\HoldNote.cs" />
    <Compile Include="Objects\ManiaBaseHit.cs" />
--- a/osu.Game.Modes.Mania/packages.config
+++ b/osu.Game.Modes.Mania/packages.config
@ -1,9 +1,8 @@
 <?xml version="1.0" encoding="utf-8"?>
 <!--
-Copyright (c) 2007-2016 ppy Pty Ltd <contact@ppy.sh>.
+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="2.0.50727.1339" targetFramework="net45" />
+  <package id="ppy.OpenTK" version="2.0.50727.1340" targetFramework="net45" />
 </packages>
--- a/osu.Game.Modes.Osu/Objects/BezierApproximator.cs
+++ b/osu.Game.Modes.Osu/Objects/BezierApproximator.cs
@ -1,5 +1,5 @@
-//Copyright (c) 2007-2016 ppy Pty Ltd <contact@ppy.sh>.
-//Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
+// 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 OpenTK;
@ -13,8 +13,8 @@ namespace osu.Game.Modes.Osu.Objects
        private Vector2[] subdivisionBuffer1;
        private Vector2[] subdivisionBuffer2;

-        private const float TOLERANCE = 0.25f;
-        private const float TOLERANCE_SQ = TOLERANCE * TOLERANCE;
+        private const float tolerance = 0.25f;
+        private const float tolerance_sq = tolerance * tolerance;

        public BezierApproximator(List<Vector2> controlPoints)
        {
@ -33,10 +33,10 @@ namespace osu.Game.Modes.Osu.Objects
        /// </summary>
        /// <param name="controlPoints">The control points to check for flatness.</param>
        /// <returns>Whether the control points are flat enough.</returns>
-        private static bool IsFlatEnough(Vector2[] controlPoints)
+        private static bool isFlatEnough(Vector2[] controlPoints)
        {
            for (int i = 1; i < controlPoints.Length - 1; i++)
-                if ((controlPoints[i - 1] - 2 * controlPoints[i] + controlPoints[i + 1]).LengthSquared > TOLERANCE_SQ * 4)
+                if ((controlPoints[i - 1] - 2 * controlPoints[i] + controlPoints[i + 1]).LengthSquared > tolerance_sq * 4)
                    return false;

            return true;
@ -50,7 +50,7 @@ namespace osu.Game.Modes.Osu.Objects
        /// <param name="controlPoints">The control points to split.</param>
        /// <param name="l">Output: The control points corresponding to the left half of the curve.</param>
        /// <param name="r">Output: The control points corresponding to the right half of the curve.</param>
-        private void Subdivide(Vector2[] controlPoints, Vector2[] l, Vector2[] r)
+        private void subdivide(Vector2[] controlPoints, Vector2[] l, Vector2[] r)
        {
            Vector2[] midpoints = subdivisionBuffer1;

@ -73,12 +73,12 @@ namespace osu.Game.Modes.Osu.Objects
        /// </summary>
        /// <param name="controlPoints">The control points describing the bezier curve to be approximated.</param>
        /// <param name="output">The points representing the resulting piecewise-linear approximation.</param>
-        private void Approximate(Vector2[] controlPoints, List<Vector2> output)
+        private void approximate(Vector2[] controlPoints, List<Vector2> output)
        {
            Vector2[] l = subdivisionBuffer2;
            Vector2[] r = subdivisionBuffer1;

-            Subdivide(controlPoints, l, r);
+            subdivide(controlPoints, l, r);

            for (int i = 0; i < count - 1; ++i)
                l[count + i] = r[i + 1];
@ -119,13 +119,13 @@ namespace osu.Game.Modes.Osu.Objects
            while (toFlatten.Count > 0)
            {
                Vector2[] parent = toFlatten.Pop();
-                if (IsFlatEnough(parent))
+                if (isFlatEnough(parent))
                {
                    // If the control points we currently operate on are sufficiently "flat", we use
                    // an extension to De Casteljau's algorithm to obtain a piecewise-linear approximation
                    // of the bezier curve represented by our control points, consisting of the same amount
                    // of points as there are control points.
-                    Approximate(parent, output);
+                    approximate(parent, output);
                    freeBuffers.Push(parent);
                    continue;
                }
@ -133,7 +133,7 @@ namespace osu.Game.Modes.Osu.Objects
                // If we do not yet have a sufficiently "flat" (in other words, detailed) approximation we keep
                // subdividing the curve we are currently operating on.
                Vector2[] rightChild = freeBuffers.Count > 0 ? freeBuffers.Pop() : new Vector2[count];
-                Subdivide(parent, leftChild, rightChild);
+                subdivide(parent, leftChild, rightChild);

                // We re-use the buffer of the parent for one of the children, so that we save one allocation per iteration.
                for (int i = 0; i < count; ++i)
--- a/osu.Game.Modes.Osu/Objects/CircularArcApproximator.cs
+++ b/osu.Game.Modes.Osu/Objects/CircularArcApproximator.cs
@ -1,5 +1,5 @@
-//Copyright (c) 2007-2016 ppy Pty Ltd <contact@ppy.sh>.
-//Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
+// Copyright (c) 2007-2017 ppy Pty Ltd <contact@ppy.sh>.
+// Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE

 using OpenTK;
 using osu.Framework.MathUtils;
@ -10,19 +10,19 @@ namespace osu.Game.Modes.Osu.Objects
 {
    public class CircularArcApproximator
    {
-        private Vector2 A;
-        private Vector2 B;
-        private Vector2 C;
+        private Vector2 a;
+        private Vector2 b;
+        private Vector2 c;

        private int amountPoints;

-        private const float TOLERANCE = 0.1f;
+        private const float tolerance = 0.1f;

-        public CircularArcApproximator(Vector2 A, Vector2 B, Vector2 C)
+        public CircularArcApproximator(Vector2 a, Vector2 b, Vector2 c)
        {
-            this.A = A;
-            this.B = B;
-            this.C = C;
+            this.a = a;
+            this.b = b;
+            this.c = c;
        }

        /// <summary>
@ -31,9 +31,9 @@ namespace osu.Game.Modes.Osu.Objects
        /// <returns>A list of vectors representing the piecewise-linear approximation.</returns>
        public List<Vector2> CreateArc()
        {
-            float aSq = (B - C).LengthSquared;
-            float bSq = (A - C).LengthSquared;
-            float cSq = (A - B).LengthSquared;
+            float aSq = (b - c).LengthSquared;
+            float bSq = (a - c).LengthSquared;
+            float cSq = (a - b).LengthSquared;

            // If we have a degenerate triangle where a side-length is almost zero, then give up and fall
            // back to a more numerically stable method.
@ -51,9 +51,9 @@ namespace osu.Game.Modes.Osu.Objects
            if (Precision.AlmostEquals(sum, 0))
                return new List<Vector2>();

-            Vector2 centre = (s * A + t * B + u * C) / sum;
-            Vector2 dA = A - centre;
-            Vector2 dC = C - centre;
+            Vector2 centre = (s * a + t * b + u * c) / sum;
+            Vector2 dA = a - centre;
+            Vector2 dC = c - centre;

            float r = dA.Length;

@ -68,9 +68,9 @@ namespace osu.Game.Modes.Osu.Objects

            // Decide in which direction to draw the circle, depending on which side of 
            // AC B lies.
-            Vector2 orthoAC = C - A;
-            orthoAC = new Vector2(orthoAC.Y, -orthoAC.X);
-            if (Vector2.Dot(orthoAC, B - A) < 0)
+            Vector2 orthoAtoC = c - a;
+            orthoAtoC = new Vector2(orthoAtoC.Y, -orthoAtoC.X);
+            if (Vector2.Dot(orthoAtoC, b - a) < 0)
            {
                dir = -dir;
                thetaRange = 2 * Math.PI - thetaRange;
@ -79,12 +79,12 @@ namespace osu.Game.Modes.Osu.Objects
            // We select the amount of points for the approximation by requiring the discrete curvature
            // to be smaller than the provided tolerance. The exact angle required to meet the tolerance
            // is: 2 * Math.Acos(1 - TOLERANCE / r)
-            if (2 * r <= TOLERANCE)
+            if (2 * r <= tolerance)
                // This special case is required for extremely short sliders where the radius is smaller than
                // the tolerance. This is a pathological rather than a realistic case.
                amountPoints = 2;
            else
-                amountPoints = Math.Max(2, (int)Math.Ceiling(thetaRange / (2 * Math.Acos(1 - TOLERANCE / r))));
+                amountPoints = Math.Max(2, (int)Math.Ceiling(thetaRange / (2 * Math.Acos(1 - tolerance / r))));

            List<Vector2> output = new List<Vector2>(amountPoints);

--- a/osu.Game.Modes.Osu/Objects/Drawables/Connections/ConnectionRenderer.cs
+++ b/osu.Game.Modes.Osu/Objects/Drawables/Connections/ConnectionRenderer.cs
@ -0,0 +1,21 @@
+// 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.Game.Modes.Objects;
+using System.Collections.Generic;
+
+namespace osu.Game.Modes.Osu.Objects.Drawables.Connections
+{
+    /// <summary>
+    /// Connects hit objects visually, for example with follow points.
+    /// </summary>
+    public abstract class ConnectionRenderer<T> : Container
+        where T : HitObject
+    {
+        /// <summary>
+        /// Hit objects to create connections for
+        /// </summary>
+        public abstract IEnumerable<T> HitObjects { get; set; }
+    }
+}
--- a/osu.Game.Modes.Osu/Objects/Drawables/Connections/FollowPoint.cs
+++ b/osu.Game.Modes.Osu/Objects/Drawables/Connections/FollowPoint.cs
@ -0,0 +1,67 @@
+// Copyright (c) 2007-2017 ppy Pty Ltd <contact@ppy.sh>.
+// Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
+
+using OpenTK;
+using OpenTK.Graphics;
+using osu.Framework.Graphics;
+using osu.Framework.Graphics.Containers;
+using osu.Framework.Graphics.Sprites;
+using osu.Framework.Graphics.Transforms;
+using osu.Game.Graphics;
+
+namespace osu.Game.Modes.Osu.Objects.Drawables.Connections
+{
+    public class FollowPoint : Container
+    {
+        public double StartTime;
+        public double EndTime;
+        public Vector2 EndPosition;
+
+        const float width = 8;
+
+        public FollowPoint()
+        {
+            Origin = Anchor.Centre;
+            Alpha = 0;
+
+            Masking = true;
+            AutoSizeAxes = Axes.Both;
+            CornerRadius = width / 2;
+            EdgeEffect = new EdgeEffect
+            {
+                Type = EdgeEffectType.Glow,
+                Colour = Color4.White.Opacity(0.2f),
+                Radius = 4,
+            };
+            
+            Children = new Drawable[]
+            {
+                new Box
+                {
+                    Size = new Vector2(width),
+                    BlendingMode = BlendingMode.Additive,
+                    Origin = Anchor.Centre,
+                    Anchor = Anchor.Centre,
+                    Alpha = 0.5f,
+                },
+            };
+        }
+
+        protected override void LoadComplete()
+        {
+            base.LoadComplete();
+
+            Delay(StartTime);
+            FadeIn(DrawableOsuHitObject.TIME_FADEIN);
+            ScaleTo(1.5f);
+            ScaleTo(1, DrawableOsuHitObject.TIME_FADEIN, EasingTypes.Out);
+            MoveTo(EndPosition, DrawableOsuHitObject.TIME_FADEIN, EasingTypes.Out);
+
+            Delay(EndTime - StartTime);
+            FadeOut(DrawableOsuHitObject.TIME_FADEIN);
+
+            Delay(DrawableOsuHitObject.TIME_FADEIN);
+            Expire(true);
+        }
+    }
+}
--- a/osu.Game.Modes.Osu/Objects/Drawables/Connections/FollowPointRenderer.cs
+++ b/osu.Game.Modes.Osu/Objects/Drawables/Connections/FollowPointRenderer.cs
@ -0,0 +1,97 @@
+// Copyright (c) 2007-2017 ppy Pty Ltd <contact@ppy.sh>.
+// Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
+
+using OpenTK;
+using osu.Game.Modes.Osu.Objects.Drawables.Connections;
+using System;
+using System.Collections.Generic;
+
+namespace osu.Game.Modes.Osu.Objects.Drawables
+{
+    public class FollowPointRenderer : ConnectionRenderer<OsuHitObject>
+    {
+        private int pointDistance = 32;
+        /// <summary>
+        /// Determines how much space there is between points.
+        /// </summary>
+        public int PointDistance
+        {
+            get { return pointDistance; }
+            set
+            {
+                if (pointDistance == value) return;
+                pointDistance = value;
+                update();
+            }
+        }
+
+        private int preEmpt = 800;
+        /// <summary>
+        /// Follow points to the next hitobject start appearing for this many milliseconds before an hitobject's end time.
+        /// </summary>
+        public int PreEmpt
+        {
+            get { return preEmpt; }
+            set
+            {
+                if (preEmpt == value) return;
+                preEmpt = value;
+                update();
+            }
+        }
+
+        private IEnumerable<OsuHitObject> hitObjects;
+        public override IEnumerable<OsuHitObject> HitObjects
+        {
+            get { return hitObjects; }
+            set
+            {
+                hitObjects = value;
+                update();
+            }
+        }
+
+        private void update()
+        {
+            Clear();
+            if (hitObjects == null)
+                return;
+
+            OsuHitObject prevHitObject = null;
+            foreach (var currHitObject in hitObjects)
+            {
+                if (prevHitObject != null && !currHitObject.NewCombo && !(prevHitObject is Spinner) && !(currHitObject is Spinner))
+                {
+                    Vector2 startPosition = prevHitObject.EndPosition;
+                    Vector2 endPosition = currHitObject.Position;
+                    double startTime = prevHitObject.EndTime;
+                    double endTime = currHitObject.StartTime;
+
+                    Vector2 distanceVector = endPosition - startPosition;
+                    int distance = (int)distanceVector.Length;
+                    float rotation = (float)Math.Atan2(distanceVector.Y, distanceVector.X);
+                    double duration = endTime - startTime;
+
+                    for (int d = (int)(PointDistance * 1.5); d < distance - PointDistance; d += PointDistance)
+                    {
+                        float fraction = ((float)d / distance);
+                        Vector2 pointStartPosition = startPosition + (fraction - 0.1f) * distanceVector;
+                        Vector2 pointEndPosition = startPosition + fraction * distanceVector;
+                        double fadeOutTime = startTime + fraction * duration;
+                        double fadeInTime = fadeOutTime - PreEmpt;
+
+                        Add(new FollowPoint()
+                        {
+                            StartTime = fadeInTime,
+                            EndTime = fadeOutTime,
+                            Position = pointStartPosition,
+                            EndPosition = pointEndPosition,
+                            Rotation = rotation,
+                        });
+                    }
+                }
+                prevHitObject = currHitObject;
+            }
+        }
+    }
+}
--- a/osu.Game.Modes.Osu/Objects/Drawables/DrawableHitCircle.cs
+++ b/osu.Game.Modes.Osu/Objects/Drawables/DrawableHitCircle.cs
@ -1,19 +1,18 @@
-//Copyright (c) 2007-2016 ppy Pty Ltd <contact@ppy.sh>.
-//Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
+// 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.ComponentModel;
 using osu.Framework.Graphics;
-using osu.Framework.Graphics.Transformations;
+using osu.Framework.Graphics.Transforms;
 using osu.Game.Modes.Objects.Drawables;
 using osu.Game.Modes.Osu.Objects.Drawables.Pieces;
 using OpenTK;

 namespace osu.Game.Modes.Osu.Objects.Drawables
 {
-    public class DrawableHitCircle : DrawableOsuHitObject
+    public class DrawableHitCircle : DrawableOsuHitObject, IDrawableHitObjectWithProxiedApproach
    {
-        private HitCircle osuObject;
+        private OsuHitObject osuObject;

        public ApproachCircle ApproachCircle;
        private CirclePiece circle;
@ -23,12 +22,13 @@ namespace osu.Game.Modes.Osu.Objects.Drawables
        private NumberPiece number;
        private GlowPiece glow;

-        public DrawableHitCircle(HitCircle h) : base(h)
+        public DrawableHitCircle(OsuHitObject h) : base(h)
        {
+            Origin = Anchor.Centre;
+
            osuObject = h;

-            Origin = Anchor.Centre;
-            Position = osuObject.Position;
+            Position = osuObject.StackedPosition;
            Scale = new Vector2(osuObject.Scale);

            Children = new Drawable[]
@ -49,7 +49,10 @@ namespace osu.Game.Modes.Osu.Objects.Drawables
                        return true;
                    },
                },
-                number = new NumberPiece(),
+                number = new NumberPiece()
+                {
+                    Text = h is Spinner ? "S" : (HitObject.ComboIndex + 1).ToString(),
+                },
                ring = new RingPiece(),
                flash = new FlashPiece(),
                explode = new ExplodePiece
@ -81,18 +84,18 @@ namespace osu.Game.Modes.Osu.Objects.Drawables

            double hitOffset = Math.Abs(Judgement.TimeOffset);

+            OsuJudgementInfo osuJudgement = Judgement as OsuJudgementInfo;
+
            if (hitOffset < hit50)
            {
                Judgement.Result = HitResult.Hit;

-                OsuJudgementInfo osuInfo = Judgement as OsuJudgementInfo;
-
                if (hitOffset < hit300)
-                    osuInfo.Score = OsuScoreResult.Hit300;
+                    osuJudgement.Score = OsuScoreResult.Hit300;
                else if (hitOffset < hit100)
-                    osuInfo.Score = OsuScoreResult.Hit100;
+                    osuJudgement.Score = OsuScoreResult.Hit100;
                else if (hitOffset < hit50)
-                    osuInfo.Score = OsuScoreResult.Hit50;
+                    osuJudgement.Score = OsuScoreResult.Hit50;
            }
            else
                Judgement.Result = HitResult.Miss;
@ -124,6 +127,8 @@ namespace osu.Game.Modes.Osu.Objects.Drawables
            base.UpdateState(state);

            ApproachCircle.FadeOut();
+
+            glow.Delay(osuObject.Duration);
            glow.FadeOut(400);

            switch (state)
@ -156,5 +161,7 @@ namespace osu.Game.Modes.Osu.Objects.Drawables
                    break;
            }
        }
+
+        public Drawable ProxiedLayer => ApproachCircle;
    }
 }
--- a/osu.Game.Modes.Osu/Objects/Drawables/DrawableOsuHitObject.cs
+++ b/osu.Game.Modes.Osu/Objects/Drawables/DrawableOsuHitObject.cs
@ -1,5 +1,5 @@
-//Copyright (c) 2007-2016 ppy Pty Ltd <contact@ppy.sh>.
-//Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
+// 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.ComponentModel;
 using osu.Game.Modes.Objects;
@ -18,7 +18,7 @@ namespace osu.Game.Modes.Osu.Objects.Drawables
        {
        }

-        public override JudgementInfo CreateJudgementInfo() => new OsuJudgementInfo();
+        public override JudgementInfo CreateJudgementInfo() => new OsuJudgementInfo { MaxScore = OsuScoreResult.Hit300 };

        protected override void UpdateState(ArmedState state)
        {
@ -48,7 +48,37 @@ namespace osu.Game.Modes.Osu.Objects.Drawables

    public class OsuJudgementInfo : PositionalJudgementInfo
    {
+        /// <summary>
+        /// The score the user achieved.
+        /// </summary>
        public OsuScoreResult Score;
+
+        /// <summary>
+        /// The score which would be achievable on a perfect hit.
+        /// </summary>
+        public OsuScoreResult MaxScore = OsuScoreResult.Hit300;
+
+        public int ScoreValue => scoreToInt(Score);
+
+        public int MaxScoreValue => scoreToInt(MaxScore);
+
+        private int scoreToInt(OsuScoreResult result)
+        {
+            switch (result)
+            {
+                default:
+                    return 0;
+                case OsuScoreResult.Hit50:
+                    return 50;
+                case OsuScoreResult.Hit100:
+                    return 100;
+                case OsuScoreResult.Hit300:
+                    return 300;
+                case OsuScoreResult.SliderTick:
+                    return 10;
+            }
+        }
+
        public ComboResult Combo;
    }

@ -72,5 +102,7 @@ namespace osu.Game.Modes.Osu.Objects.Drawables
        Hit100,
        [Description(@"300")]
        Hit300,
+        [Description(@"10")]
+        SliderTick
    }
 }
--- a/osu.Game.Modes.Osu/Objects/Drawables/DrawableSlider.cs
+++ b/osu.Game.Modes.Osu/Objects/Drawables/DrawableSlider.cs
@ -1,16 +1,17 @@
-//Copyright (c) 2007-2016 ppy Pty Ltd <contact@ppy.sh>.
-//Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
+// 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 OpenTK;
 using osu.Framework.Graphics;
 using osu.Game.Modes.Objects.Drawables;
 using osu.Game.Modes.Osu.Objects.Drawables.Pieces;
-using OpenTK;
-using osu.Framework.Input;
+using System.Collections.Generic;
+using System.Linq;
+using osu.Framework.Graphics.Containers;

 namespace osu.Game.Modes.Osu.Objects.Drawables
 {
-    class DrawableSlider : DrawableOsuHitObject
+    public class DrawableSlider : DrawableOsuHitObject, IDrawableHitObjectWithProxiedApproach
    {
        private Slider slider;

@ -18,6 +19,8 @@ namespace osu.Game.Modes.Osu.Objects.Drawables

        private List<ISliderProgress> components = new List<ISliderProgress>();

+        private Container<DrawableSliderTick> ticks;
+
        SliderBody body;
        SliderBall ball;

@ -31,9 +34,10 @@ namespace osu.Game.Modes.Osu.Objects.Drawables
            {
                body = new SliderBody(s)
                {
-                    Position = s.Position,
+                    Position = s.StackedPosition,
                    PathWidth = s.Scale * 64,
                },
+                ticks = new Container<DrawableSliderTick>(),
                bouncer1 = new SliderBouncer(s, false)
                {
                    Position = s.Curve.PositionAt(1),
@ -41,7 +45,7 @@ namespace osu.Game.Modes.Osu.Objects.Drawables
                },
                bouncer2 = new SliderBouncer(s, true)
                {
-                    Position = s.Position,
+                    Position = s.StackedPosition,
                    Scale = new Vector2(s.Scale),
                },
                ball = new SliderBall(s)
@ -50,8 +54,10 @@ namespace osu.Game.Modes.Osu.Objects.Drawables
                },
                initialCircle = new DrawableHitCircle(new HitCircle
                {
+                    //todo: avoid creating this temporary HitCircle.
                    StartTime = s.StartTime,
-                    Position = s.Position,
+                    Position = s.StackedPosition,
+                    ComboIndex = s.ComboIndex,
                    Scale = s.Scale,
                    Colour = s.Colour,
                    Sample = s.Sample,
@ -62,6 +68,26 @@ namespace osu.Game.Modes.Osu.Objects.Drawables
            components.Add(ball);
            components.Add(bouncer1);
            components.Add(bouncer2);
+
+            AddNested(initialCircle);
+
+            var repeatDuration = s.Curve.Length / s.Velocity;
+            foreach (var tick in s.Ticks)
+            {
+                var repeatStartTime = s.StartTime + tick.RepeatIndex * repeatDuration;
+                var fadeInTime = repeatStartTime + (tick.StartTime - repeatStartTime) / 2 - (tick.RepeatIndex == 0 ? TIME_FADEIN : TIME_FADEIN / 2);
+                var fadeOutTime = repeatStartTime + repeatDuration;
+
+                var drawableTick = new DrawableSliderTick(tick)
+                {
+                    FadeInTime = fadeInTime,
+                    FadeOutTime = fadeOutTime,
+                    Position = tick.Position,
+                };
+
+                ticks.Add(drawableTick);
+                AddNested(drawableTick);
+            }
        }

        // Since the DrawableSlider itself is just a container without a size we need to
@ -81,7 +107,7 @@ namespace osu.Game.Modes.Osu.Objects.Drawables

            if (repeat > currentRepeat)
            {
-                if (ball.Tracking)
+                if (repeat < slider.RepeatCount && ball.Tracking)
                    PlaySample();
                currentRepeat = repeat;
            }
@ -95,7 +121,8 @@ namespace osu.Game.Modes.Osu.Objects.Drawables
            if (initialCircle.Judgement?.Result != HitResult.Hit)
                initialCircle.Position = slider.Curve.PositionAt(progress);

-            components.ForEach(c => c.UpdateProgress(progress, repeat));
+            foreach (var c in components) c.UpdateProgress(progress, repeat);
+            foreach (var t in ticks.Children) t.Tracking = ball.Tracking;
        }

        protected override void CheckJudgement(bool userTriggered)
@ -105,8 +132,22 @@ namespace osu.Game.Modes.Osu.Objects.Drawables

            if (!userTriggered && Time.Current >= HitObject.EndTime)
            {
-                j.Score = sc.Score;
-                j.Result = sc.Result;
+                var ticksCount = ticks.Children.Count() + 1;
+                var ticksHit = ticks.Children.Count(t => t.Judgement.Result == HitResult.Hit);
+                if (sc.Result == HitResult.Hit)
+                    ticksHit++;
+
+                var hitFraction = (double)ticksHit / ticksCount;
+                if (hitFraction == 1 && sc.Score == OsuScoreResult.Hit300)
+                    j.Score = OsuScoreResult.Hit300;
+                else if (hitFraction >= 0.5 && sc.Score >= OsuScoreResult.Hit100)
+                    j.Score = OsuScoreResult.Hit100;
+                else if (hitFraction > 0)
+                    j.Score = OsuScoreResult.Hit50;
+                else
+                    j.Score = OsuScoreResult.Miss;
+
+                j.Result = j.Score != OsuScoreResult.Miss ? HitResult.Hit : HitResult.Miss;
            }
        }

@ -133,6 +174,8 @@ namespace osu.Game.Modes.Osu.Objects.Drawables

            FadeOut(800);
        }
+
+        public Drawable ProxiedLayer => initialCircle.ApproachCircle;
    }

    internal interface ISliderProgress
--- a/osu.Game.Modes.Osu/Objects/Drawables/DrawableSliderTick.cs
+++ b/osu.Game.Modes.Osu/Objects/Drawables/DrawableSliderTick.cs
@ -0,0 +1,120 @@
+// Copyright (c) 2007-2017 ppy Pty Ltd <contact@ppy.sh>.
+// Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
+
+using System;
+using osu.Framework.Allocation;
+using osu.Framework.Audio;
+using osu.Framework.Audio.Sample;
+using osu.Framework.Graphics;
+using osu.Framework.Graphics.Sprites;
+using osu.Framework.Graphics.Transforms;
+using osu.Game.Beatmaps.Samples;
+using osu.Game.Modes.Objects.Drawables;
+using OpenTK;
+using OpenTK.Graphics;
+
+namespace osu.Game.Modes.Osu.Objects.Drawables
+{
+    public class DrawableSliderTick : DrawableOsuHitObject
+    {
+        private SliderTick sliderTick;
+
+        public double FadeInTime;
+        public double FadeOutTime;
+
+        public bool Tracking;
+
+        public override bool RemoveWhenNotAlive => false;
+
+        public override JudgementInfo CreateJudgementInfo() => new OsuJudgementInfo { MaxScore = OsuScoreResult.SliderTick };
+
+        public DrawableSliderTick(SliderTick sliderTick) : base(sliderTick)
+        {
+            this.sliderTick = sliderTick;
+
+            Size = new Vector2(16) * sliderTick.Scale;
+
+            Masking = true;
+            CornerRadius = Size.X / 2;
+
+            Origin = Anchor.Centre;
+
+            BorderThickness = 2;
+            BorderColour = Color4.White;
+
+            Children = new Drawable[]
+            {
+                new Box
+                {
+                    RelativeSizeAxes = Axes.Both,
+                    Colour = sliderTick.Colour,
+                    Alpha = 0.3f,
+                }
+            };
+        }
+
+        private SampleChannel sample;
+
+        [BackgroundDependencyLoader]
+        private void load(AudioManager audio)
+        {
+            string sampleSet = (HitObject.Sample?.Set ?? SampleSet.Normal).ToString().ToLower();
+
+            sample = audio.Sample.Get($@"Gameplay/{sampleSet}-slidertick");
+        }
+
+        protected override void PlaySample()
+        {
+            sample?.Play();
+        }
+
+
+        protected override void CheckJudgement(bool userTriggered)
+        {
+            var j = Judgement as OsuJudgementInfo;
+
+            if (Judgement.TimeOffset >= 0)
+            {
+                j.Result = Tracking ? HitResult.Hit : HitResult.Miss;
+                j.Score = Tracking ? OsuScoreResult.SliderTick : OsuScoreResult.Miss;
+            }
+        }
+        
+        protected override void UpdatePreemptState()
+        {
+            var animIn = Math.Min(150, sliderTick.StartTime - FadeInTime);
+
+            ScaleTo(0.5f);
+            ScaleTo(1.2f, animIn);
+            FadeIn(animIn);
+
+            Delay(animIn);
+            ScaleTo(1, 150, EasingTypes.Out);
+
+            Delay(-animIn);
+        }
+
+        protected override void UpdateState(ArmedState state)
+        {
+            if (!IsLoaded) return;
+
+            base.UpdateState(state);
+
+            switch (state)
+            {
+                case ArmedState.Idle:
+                    Delay(FadeOutTime - sliderTick.StartTime);
+                    FadeOut();
+                    break;
+                case ArmedState.Miss:
+                    FadeOut(160);
+                    FadeColour(Color4.Red, 80);
+                    break;
+                case ArmedState.Hit:
+                    FadeOut(120, EasingTypes.OutQuint);
+                    ScaleTo(Scale * 1.5f, 120, EasingTypes.OutQuint);
+                    break;
+            }
+        }
+    }
+}
--- a/osu.Game.Modes.Osu/Objects/Drawables/DrawableSpinner.cs
+++ b/osu.Game.Modes.Osu/Objects/Drawables/DrawableSpinner.cs
@ -0,0 +1,158 @@
+// 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.Graphics.Transforms;
+using osu.Framework.MathUtils;
+using osu.Game.Modes.Objects.Drawables;
+using osu.Game.Modes.Osu.Objects.Drawables.Pieces;
+using OpenTK;
+using OpenTK.Graphics;
+
+namespace osu.Game.Modes.Osu.Objects.Drawables
+{
+    public class DrawableSpinner : DrawableOsuHitObject
+    {
+        private Spinner spinner;
+
+        private SpinnerDisc disc;
+        private SpinnerBackground background;
+        private Container circleContainer;
+        private DrawableHitCircle circle;
+
+        public DrawableSpinner(Spinner s) : base(s)
+        {
+            Origin = Anchor.Centre;
+            Position = s.Position;
+
+            //take up full playfield.
+            Size = new Vector2(512);
+
+            spinner = s;
+
+            Children = new Drawable[]
+            {
+                background = new SpinnerBackground
+                {
+                    Alpha = 0,
+                    Anchor = Anchor.Centre,
+                    Origin = Anchor.Centre,
+                    DiscColour = Color4.Black
+                },
+                disc = new SpinnerDisc
+                {
+                    Alpha = 0,
+                    Anchor = Anchor.Centre,
+                    Origin = Anchor.Centre,
+                    DiscColour = s.Colour
+                },
+                circleContainer = new Container
+                {
+                    AutoSizeAxes = Axes.Both,
+                    Anchor = Anchor.Centre,
+                    Origin = Anchor.Centre,
+                    Children = new []
+                    {
+                        circle = new DrawableHitCircle(s)
+                        {
+                            Interactive = false,
+                            Position = Vector2.Zero,
+                            Anchor = Anchor.Centre,
+                        }
+                    }
+                }
+            };
+
+            background.Scale = scaleToCircle;
+            disc.Scale = scaleToCircle;
+        }
+
+        public override bool Contains(Vector2 screenSpacePos) => true;
+
+        protected override void CheckJudgement(bool userTriggered)
+        {
+            if (Time.Current < HitObject.StartTime) return;
+
+            var j = Judgement as OsuJudgementInfo;
+
+            disc.ScaleTo(Interpolation.ValueAt(Math.Sqrt(Progress), scaleToCircle, Vector2.One, 0, 1), 100);
+
+            if (Progress >= 1)
+                disc.Complete = true;
+
+            if (!userTriggered && Time.Current >= HitObject.EndTime)
+            {
+                if (Progress >= 1)
+                {
+                    j.Score = OsuScoreResult.Hit300;
+                    j.Result = HitResult.Hit;
+                }
+                else if (Progress > .9)
+                {
+                    j.Score = OsuScoreResult.Hit100;
+                    j.Result = HitResult.Hit;
+                }
+                else if (Progress > .75)
+                {
+                    j.Score = OsuScoreResult.Hit50;
+                    j.Result = HitResult.Hit;
+                }
+                else
+                {
+                    j.Score = OsuScoreResult.Miss;
+                    if (Time.Current >= HitObject.EndTime)
+                        j.Result = HitResult.Miss;
+                }
+            }
+        }
+
+        private Vector2 scaleToCircle => (circle.Scale * circle.DrawWidth / DrawWidth) * 0.95f;
+
+        private float spinsPerMinuteNeeded = 100 + (5 * 15); //TODO: read per-map OD and place it on the 5
+
+        private float rotationsNeeded => (float)(spinsPerMinuteNeeded * (spinner.EndTime - spinner.StartTime) / 60000f);
+
+        public float Progress => MathHelper.Clamp(disc.RotationAbsolute / 360 / rotationsNeeded, 0, 1);
+
+        protected override void UpdatePreemptState()
+        {
+            base.UpdatePreemptState();
+
+            circleContainer.ScaleTo(1, 400, EasingTypes.OutElastic);
+
+            background.Delay(TIME_PREEMPT - 500);
+
+            background.ScaleTo(scaleToCircle * 1.2f, 400, EasingTypes.OutQuint);
+            background.FadeIn(200);
+
+            background.Delay(400);
+            background.ScaleTo(1, 250, EasingTypes.OutQuint);
+
+            disc.Delay(TIME_PREEMPT - 50);
+            disc.FadeIn(200);
+        }
+
+        protected override void UpdateState(ArmedState state)
+        {
+            if (!IsLoaded) return;
+
+            base.UpdateState(state);
+
+            Delay(HitObject.Duration, true);
+
+            FadeOut(160);
+
+            switch (state)
+            {
+                case ArmedState.Hit:
+                    ScaleTo(Scale * 1.2f, 320, EasingTypes.Out);
+                    break;
+                case ArmedState.Miss:
+                    ScaleTo(Scale * 0.8f, 320, EasingTypes.In);
+                    break;
+            }
+        }
+    }
+}
--- a/osu.Game.Modes.Osu/Objects/Drawables/HitExplosion.cs
+++ b/osu.Game.Modes.Osu/Objects/Drawables/HitExplosion.cs
@ -1,18 +1,19 @@
-//Copyright (c) 2007-2016 ppy Pty Ltd <contact@ppy.sh>.
-//Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
+// Copyright (c) 2007-2017 ppy Pty Ltd <contact@ppy.sh>.
+// Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE

 using osu.Framework.Extensions;
 using osu.Framework.Graphics;
 using osu.Framework.Graphics.Containers;
 using osu.Framework.Graphics.Sprites;
-using osu.Framework.Graphics.Transformations;
+using osu.Framework.Graphics.Transforms;
+using osu.Game.Graphics.Sprites;
 using osu.Game.Modes.Objects.Drawables;
 using OpenTK;
 using OpenTK.Graphics;

 namespace osu.Game.Modes.Osu.Objects.Drawables
 {
-    public class HitExplosion : FlowContainer
+    public class HitExplosion : FillFlowContainer
    {
        private readonly OsuJudgementInfo judgement;
        private SpriteText line1;
@ -24,13 +25,13 @@ namespace osu.Game.Modes.Osu.Objects.Drawables
            AutoSizeAxes = Axes.Both;
            Origin = Anchor.Centre;

-            Direction = FlowDirection.VerticalOnly;
+            Direction = FillDirection.Down;
            Spacing = new Vector2(0, 2);
-            Position = (h?.EndPosition ?? Vector2.Zero) + judgement.PositionOffset;
+            Position = (h?.StackedEndPosition ?? Vector2.Zero) + judgement.PositionOffset;

            Children = new Drawable[]
            {
-                line1 = new SpriteText
+                line1 = new OsuSpriteText
                {
                    Anchor = Anchor.TopCentre,
                    Origin = Anchor.TopCentre,
@ -38,7 +39,7 @@ namespace osu.Game.Modes.Osu.Objects.Drawables
                    Font = @"Venera",
                    TextSize = 16,
                },
-                line2 = new SpriteText
+                line2 = new OsuSpriteText
                {
                    Text = judgement.Combo.GetDescription(),
                    Font = @"Venera",
--- a/osu.Game.Modes.Osu/Objects/Drawables/Pieces/ApproachCircle.cs
+++ b/osu.Game.Modes.Osu/Objects/Drawables/Pieces/ApproachCircle.cs
@ -1,14 +1,11 @@
-//Copyright (c) 2007-2016 ppy Pty Ltd <contact@ppy.sh>.
-//Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
+// Copyright (c) 2007-2017 ppy Pty Ltd <contact@ppy.sh>.
+// Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE

-using System;
 using osu.Framework.Allocation;
 using osu.Framework.Graphics;
 using osu.Framework.Graphics.Containers;
 using osu.Framework.Graphics.Sprites;
 using osu.Framework.Graphics.Textures;
-using osu.Framework.Input;
-using OpenTK;

 namespace osu.Game.Modes.Osu.Objects.Drawables.Pieces
 {
--- a/osu.Game.Modes.Osu/Objects/Drawables/Pieces/CirclePiece.cs
+++ b/osu.Game.Modes.Osu/Objects/Drawables/Pieces/CirclePiece.cs
@ -1,5 +1,5 @@
-//Copyright (c) 2007-2016 ppy Pty Ltd <contact@ppy.sh>.
-//Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
+// Copyright (c) 2007-2017 ppy Pty Ltd <contact@ppy.sh>.
+// Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE

 using System;
 using osu.Framework.Allocation;
@ -14,9 +14,8 @@ namespace osu.Game.Modes.Osu.Objects.Drawables.Pieces
 {
    public class CirclePiece : Container
    {
-
        private Sprite disc;
-        private Triangles triangles;
+

        public Func<bool> Hit;

@ -36,10 +35,11 @@ namespace osu.Game.Modes.Osu.Objects.Drawables.Pieces
                    Anchor = Anchor.Centre,
                    Origin = Anchor.Centre
                },
-                triangles = new Triangles
+                new TrianglesPiece
                {
+                    RelativeSizeAxes = Axes.Both,
                    BlendingMode = BlendingMode.Additive,
-                    RelativeSizeAxes = Axes.Both
+                    Alpha = 0.5f,
                }
            };
        }
--- a/osu.Game.Modes.Osu/Objects/Drawables/Pieces/ExplodePiece.cs
+++ b/osu.Game.Modes.Osu/Objects/Drawables/Pieces/ExplodePiece.cs
@ -1,5 +1,5 @@
-//Copyright (c) 2007-2016 ppy Pty Ltd <contact@ppy.sh>.
-//Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
+// 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;
@ -21,10 +21,11 @@ namespace osu.Game.Modes.Osu.Objects.Drawables.Pieces

            Children = new Drawable[]
            {
-                new Triangles
+                new TrianglesPiece
                {
                    BlendingMode = BlendingMode.Additive,
-                    RelativeSizeAxes = Axes.Both
+                    RelativeSizeAxes = Axes.Both,
+                    Alpha = 0.2f,
                }
            };
        }
--- a/osu.Game.Modes.Osu/Objects/Drawables/Pieces/FlashPiece.cs
+++ b/osu.Game.Modes.Osu/Objects/Drawables/Pieces/FlashPiece.cs
@ -1,5 +1,5 @@
-//Copyright (c) 2007-2016 ppy Pty Ltd <contact@ppy.sh>.
-//Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
+// 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;
--- a/osu.Game.Modes.Osu/Objects/Drawables/Pieces/GlowPiece.cs
+++ b/osu.Game.Modes.Osu/Objects/Drawables/Pieces/GlowPiece.cs
@ -1,5 +1,5 @@
-//Copyright (c) 2007-2016 ppy Pty Ltd <contact@ppy.sh>.
-//Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
+// 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;
--- a/osu.Game.Modes.Osu/Objects/Drawables/Pieces/NumberPiece.cs
+++ b/osu.Game.Modes.Osu/Objects/Drawables/Pieces/NumberPiece.cs
@ -1,38 +1,56 @@
-//Copyright (c) 2007-2016 ppy Pty Ltd <contact@ppy.sh>.
-//Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
+// 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.Framework.Graphics.Containers;
 using osu.Framework.Graphics.Sprites;
-using osu.Framework.Graphics.Textures;
+using osu.Game.Graphics;
+using osu.Game.Graphics.Sprites;
+using OpenTK.Graphics;

 namespace osu.Game.Modes.Osu.Objects.Drawables.Pieces
 {
    public class NumberPiece : Container
    {
-        private Sprite number;
+        private SpriteText number;
+
+        public string Text
+        {
+            get { return number.Text; }
+            set { number.Text = value; }
+        }

        public NumberPiece()
        {
            Anchor = Anchor.Centre;
            Origin = Anchor.Centre;

+            Children = new Drawable[]
+            {
+                new CircularContainer
+                {
+                    EdgeEffect = new EdgeEffect
+                    {
+                        Type = EdgeEffectType.Glow,
+                        Radius = 60,
+                        Colour = Color4.White.Opacity(0.5f),
+                    },
                    Children = new[]
                    {
-                number = new Sprite
+                        new Box()
+                    }
+                },
+                number = new OsuSpriteText
                {
+                    Text = @"1",
+                    Font = @"Venera",
+                    UseFullGlyphHeight = false,
                    Anchor = Anchor.Centre,
                    Origin = Anchor.Centre,
+                    TextSize = 40,
                    Alpha = 1
                }
            };
        }
-
-        [BackgroundDependencyLoader]
-        private void load(TextureStore textures)
-        {
-            number.Texture = textures.Get(@"Play/osu/number");
-        }
    }
 }
--- a/osu.Game.Modes.Osu/Objects/Drawables/Pieces/RingPiece.cs
+++ b/osu.Game.Modes.Osu/Objects/Drawables/Pieces/RingPiece.cs
@ -1,11 +1,9 @@
-//Copyright (c) 2007-2016 ppy Pty Ltd <contact@ppy.sh>.
-//Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
+// 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.Framework.Graphics.Containers;
 using osu.Framework.Graphics.Sprites;
-using osu.Framework.Graphics.Textures;
 using OpenTK;
 using OpenTK.Graphics;

--- a/osu.Game.Modes.Osu/Objects/Drawables/Pieces/SliderBall.cs
+++ b/osu.Game.Modes.Osu/Objects/Drawables/Pieces/SliderBall.cs
@ -1,17 +1,16 @@
-//Copyright (c) 2007-2016 ppy Pty Ltd <contact@ppy.sh>.
-//Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
+// 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.Sprites;
-using osu.Framework.Graphics.Transformations;
+using osu.Framework.Graphics.Transforms;
 using osu.Framework.Input;
-using OpenTK;
 using OpenTK.Graphics;

 namespace osu.Game.Modes.Osu.Objects.Drawables.Pieces
 {
-    public class SliderBall : Container, ISliderProgress
+    public class SliderBall : CircularContainer, ISliderProgress
    {
        private readonly Slider slider;
        private Box follow;
@ -39,7 +38,7 @@ namespace osu.Game.Modes.Osu.Objects.Drawables.Pieces
                    Height = width,
                    Alpha = 0,
                },
-                new Container
+                new CircularContainer
                {
                    Masking = true,
                    AutoSizeAxes = Axes.Both,
@ -48,7 +47,6 @@ namespace osu.Game.Modes.Osu.Objects.Drawables.Pieces
                    BorderThickness = 10,
                    BorderColour = Color4.White,
                    Alpha = 1,
-                    CornerRadius = width / 2,
                    Children = new[]
                    {
                        new Box
@ -104,7 +102,7 @@ namespace osu.Game.Modes.Osu.Objects.Drawables.Pieces
        {
            base.Update();

-            CornerRadius = DrawWidth / 2;
+            if (Time.Current < slider.EndTime)
                Tracking = canCurrentlyTrack && lastState != null && Contains(lastState.Mouse.NativeState.Position) && lastState.Mouse.HasMainButtonPressed;
        }

--- a/osu.Game.Modes.Osu/Objects/Drawables/Pieces/SliderBody.cs
+++ b/osu.Game.Modes.Osu/Objects/Drawables/Pieces/SliderBody.cs
@ -1,5 +1,5 @@
-//Copyright (c) 2007-2016 ppy Pty Ltd <contact@ppy.sh>.
-//Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
+// 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;
@ -8,7 +8,7 @@ using osu.Framework.Configuration;
 using osu.Framework.Graphics;
 using osu.Framework.Graphics.Containers;
 using osu.Framework.Graphics.OpenGL.Textures;
-using osu.Framework.Graphics.Sprites;
+using osu.Framework.Graphics.Lines;
 using osu.Framework.Graphics.Textures;
 using osu.Game.Configuration;
 using OpenTK;
--- a/osu.Game.Modes.Osu/Objects/Drawables/Pieces/SliderBouncer.cs
+++ b/osu.Game.Modes.Osu/Objects/Drawables/Pieces/SliderBouncer.cs
@ -1,14 +1,8 @@
-//Copyright (c) 2007-2016 ppy Pty Ltd <contact@ppy.sh>.
-//Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
+// 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 System.Linq;
-using System.Text;
-using System.Threading.Tasks;
 using osu.Framework.Graphics;
 using osu.Framework.Graphics.Containers;
-using osu.Framework.Graphics.Sprites;
 using osu.Game.Graphics;

 namespace osu.Game.Modes.Osu.Objects.Drawables.Pieces
--- a/osu.Game.Modes.Osu/Objects/Drawables/Pieces/SpinnerBackground.cs
+++ b/osu.Game.Modes.Osu/Objects/Drawables/Pieces/SpinnerBackground.cs
@ -0,0 +1,10 @@
+// Copyright (c) 2007-2017 ppy Pty Ltd <contact@ppy.sh>.
+// Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
+
+namespace osu.Game.Modes.Osu.Objects.Drawables.Pieces
+{
+    public class SpinnerBackground : SpinnerDisc
+    {
+        public override bool HandleInput => false;
+    }
+}
--- a/Show More
+++ b/Show More