Update solution paths

Implement slider control point additions

.config/dotnet-tools.json

@@ -0,0 +1,18 @@
+{
+  "version": 1,
+  "isRoot": true,
+  "tools": {
+    "cake.tool": {
+      "version": "0.35.0",
+      "commands": [
+        "dotnet-cake"
+      ]
+    },
+    "dotnet-format": {
+      "version": "3.1.37601",
+      "commands": [
+        "dotnet-format"
+      ]
+    }
+  }
+}

.editorconfig

@@ -12,16 +12,171 @@ trim_trailing_whitespace = true
 
 #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_symbols.public_members.applicable_accessibilities = public,internal,protected,protected_internal,private_protected
+dotnet_naming_symbols.public_members.applicable_kinds = property,method,field,event
+dotnet_naming_rule.public_members_pascalcase.severity = error
 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_symbols.private_members.applicable_kinds = property,method,field,event
+dotnet_naming_rule.private_members_camelcase.severity = warning
 dotnet_naming_rule.private_members_camelcase.symbols = private_members
-dotnet_naming_rule.private_members_camelcase.style = camelcase
+dotnet_naming_rule.private_members_camelcase.style = camelcase
+
+dotnet_naming_symbols.local_function.applicable_kinds = local_function
+dotnet_naming_rule.local_function_camelcase.severity = warning
+dotnet_naming_rule.local_function_camelcase.symbols = local_function
+dotnet_naming_rule.local_function_camelcase.style = camelcase
+
+#all_lower for private and local constants/static readonlys
+dotnet_naming_style.all_lower.capitalization = all_lower
+dotnet_naming_style.all_lower.word_separator = _
+
+dotnet_naming_symbols.private_constants.applicable_accessibilities = private
+dotnet_naming_symbols.private_constants.required_modifiers = const
+dotnet_naming_symbols.private_constants.applicable_kinds = field
+dotnet_naming_rule.private_const_all_lower.severity = warning
+dotnet_naming_rule.private_const_all_lower.symbols = private_constants
+dotnet_naming_rule.private_const_all_lower.style = all_lower
+
+dotnet_naming_symbols.private_static_readonly.applicable_accessibilities = private
+dotnet_naming_symbols.private_static_readonly.required_modifiers = static,readonly
+dotnet_naming_symbols.private_static_readonly.applicable_kinds = field
+dotnet_naming_rule.private_static_readonly_all_lower.severity = warning
+dotnet_naming_rule.private_static_readonly_all_lower.symbols = private_static_readonly
+dotnet_naming_rule.private_static_readonly_all_lower.style = all_lower
+
+dotnet_naming_symbols.local_constants.applicable_kinds = local
+dotnet_naming_symbols.local_constants.required_modifiers = const
+dotnet_naming_rule.local_const_all_lower.severity = warning
+dotnet_naming_rule.local_const_all_lower.symbols = local_constants
+dotnet_naming_rule.local_const_all_lower.style = all_lower
+
+#ALL_UPPER for non private constants/static readonlys
+dotnet_naming_style.all_upper.capitalization = all_upper
+dotnet_naming_style.all_upper.word_separator = _
+
+dotnet_naming_symbols.public_constants.applicable_accessibilities = public,internal,protected,protected_internal,private_protected
+dotnet_naming_symbols.public_constants.required_modifiers = const
+dotnet_naming_symbols.public_constants.applicable_kinds = field
+dotnet_naming_rule.public_const_all_upper.severity = warning
+dotnet_naming_rule.public_const_all_upper.symbols = public_constants
+dotnet_naming_rule.public_const_all_upper.style = all_upper
+
+dotnet_naming_symbols.public_static_readonly.applicable_accessibilities = public,internal,protected,protected_internal,private_protected
+dotnet_naming_symbols.public_static_readonly.required_modifiers = static,readonly
+dotnet_naming_symbols.public_static_readonly.applicable_kinds = field
+dotnet_naming_rule.public_static_readonly_all_upper.severity = warning
+dotnet_naming_rule.public_static_readonly_all_upper.symbols = public_static_readonly
+dotnet_naming_rule.public_static_readonly_all_upper.style = all_upper
+
+#Roslyn formating options
+
+#Formatting - indentation options
+csharp_indent_case_contents = true
+csharp_indent_case_contents_when_block = false
+csharp_indent_labels = one_less_than_current
+csharp_indent_switch_labels = true
+
+#Formatting - new line options
+csharp_new_line_before_catch = true
+csharp_new_line_before_else = true
+csharp_new_line_before_finally = true
+csharp_new_line_before_open_brace = all
+#csharp_new_line_before_members_in_anonymous_types = true
+#csharp_new_line_before_members_in_object_initializers = true # Currently no effect in VS/dotnet format (16.4), and makes Rider confusing
+csharp_new_line_between_query_expression_clauses = true
+
+#Formatting - organize using options
+dotnet_sort_system_directives_first = true
+
+#Formatting - spacing options
+csharp_space_after_cast = false
+csharp_space_after_colon_in_inheritance_clause = true
+csharp_space_after_keywords_in_control_flow_statements = true
+csharp_space_before_colon_in_inheritance_clause = true
+csharp_space_between_method_call_empty_parameter_list_parentheses = false
+csharp_space_between_method_call_name_and_opening_parenthesis = false
+csharp_space_between_method_call_parameter_list_parentheses = false
+csharp_space_between_method_declaration_empty_parameter_list_parentheses = false
+csharp_space_between_method_declaration_parameter_list_parentheses = false
+
+#Formatting - wrapping options
+csharp_preserve_single_line_blocks = true
+csharp_preserve_single_line_statements = true
+
+#Roslyn language styles
+
+#Style - type names
+dotnet_style_predefined_type_for_locals_parameters_members = true:silent
+dotnet_style_predefined_type_for_member_access = true:silent
+csharp_style_var_when_type_is_apparent = true:none
+csharp_style_var_for_built_in_types = true:none
+csharp_style_var_elsewhere = true:silent
+
+#Style - modifiers
+dotnet_style_require_accessibility_modifiers = for_non_interface_members:warning
+csharp_preferred_modifier_order = public,private,protected,internal,new,abstract,virtual,sealed,override,static,readonly,extern,unsafe,volatile,async:warning
+
+#Style - parentheses
+# Skipped because roslyn cannot separate +-*/ with << >>
+
+#Style - expression bodies
+csharp_style_expression_bodied_accessors = true:silent
+csharp_style_expression_bodied_constructors = false:none
+csharp_style_expression_bodied_indexers = true:silent
+csharp_style_expression_bodied_methods = true:silent
+csharp_style_expression_bodied_operators = true:silent
+csharp_style_expression_bodied_properties = true:silent
+
+#Style - expression preferences
+dotnet_style_object_initializer = true:warning
+dotnet_style_collection_initializer = true:warning
+dotnet_style_prefer_inferred_anonymous_type_member_names = true:warning
+dotnet_style_prefer_auto_properties = true:silent
+dotnet_style_prefer_conditional_expression_over_assignment = true:silent
+dotnet_style_prefer_conditional_expression_over_return = true:silent
+dotnet_style_prefer_compound_assignment = true:silent
+
+#Style - null/type checks
+dotnet_style_coalesce_expression = true:warning
+dotnet_style_null_propagation = true:warning
+csharp_style_pattern_matching_over_is_with_cast_check = true:silent
+csharp_style_pattern_matching_over_as_with_null_check = true:silent
+csharp_style_throw_expression = true:silent
+csharp_style_conditional_delegate_call = true:suggestion
+
+#Style - unused
+dotnet_code_quality_unused_parameters = non_public:silent
+csharp_style_unused_value_expression_statement_preference = discard_variable:silent
+csharp_style_unused_value_assignment_preference = discard_variable:silent
+
+#Style - variable declaration
+csharp_style_inlined_variable_declaration = true:silent
+csharp_style_deconstructed_variable_declaration = true:silent
+
+#Style - other C# 7.x features
+csharp_style_expression_bodied_local_functions = true:silent
+dotnet_style_prefer_inferred_tuple_names = true:warning
+csharp_prefer_simple_default_expression = true:warning
+csharp_style_pattern_local_over_anonymous_function = true:silent
+dotnet_style_prefer_is_null_check_over_reference_equality_method = true:silent
+
+#Supressing roslyn built-in analyzers
+# Suppress: EC112
+
+#Field can be readonly
+dotnet_diagnostic.IDE0044.severity = silent
+#Private method is unused
+dotnet_diagnostic.IDE0051.severity = silent
+#Private member is unused
+dotnet_diagnostic.IDE0052.severity = silent
+
+#Rules for disposable
+dotnet_diagnostic.IDE0067.severity = none
+dotnet_diagnostic.IDE0068.severity = none
+dotnet_diagnostic.IDE0069.severity = none

.github/ISSUE_TEMPLATE/00-mobile-issues.md

@@ -0,0 +1,8 @@
+---
+name: Mobile Report
+about: ⚠ Due to current development priorities we are not accepting mobile reports at this time (unless you're willing to fix them yourself!)
+---
+
+⚠ **PLEASE READ** ⚠: Due to prioritising finishing the client for desktop first we are not accepting reports related to mobile platforms for the time being, unless you're willing to fix them.
+If you'd like to report a problem or suggest a feature and then work on it, feel free to open an issue and highlight that you'd like to address it yourself in the issue body; mobile pull requests are also welcome.
+Otherwise, please check back in the future when the focus of development shifts towards mobile!

.github/ISSUE_TEMPLATE/config.yml

@@ -0,0 +1,5 @@
+blank_issues_enabled: false
+contact_links:
+    - name: osu!stable issues
+      url: https://github.com/ppy/osu-stable-issues
+      about: For issues regarding osu!stable (not osu!lazer), open them here.

.github/ISSUE_TEMPLATE/missing-for-live-issues.md

@@ -1,7 +0,0 @@
----
-name: Missing for Live
-about: Features which are available in osu!stable but not yet in osu!lazer.
----
-**Describe the missing feature:** 
-
-**Proposal designs of the feature:** 

.gitignore

@@ -10,14 +10,8 @@
 # User-specific files (MonoDevelop/Xamarin Studio)
 *.userprefs
 
-### Cake ###
-tools/**
-build/tools/**
-
-fastlane/report.xml
-
 # Build results
-bin/[Dd]ebug/
+[Dd]ebug/
 [Dd]ebugPublic/
 [Rr]elease/
 [Rr]eleases/
@@ -104,7 +98,6 @@ $tf/
 _ReSharper*/
 *.[Rr]e[Ss]harper
 *.DotSettings.user
-inspectcode
 
 # JustCode is a .NET coding add-in
 .JustCode
@@ -254,20 +247,87 @@ paket-files/
 # FAKE - F# Make
 .fake/
 
-# JetBrains Rider
-.idea/.idea.osu/.idea/*.xml
-.idea/.idea.osu/.idea/codeStyles/*.xml
-.idea/.idea.osu/.idea/dataSources/*.xml
-.idea/.idea.osu/.idea/dictionaries/*.xml
-.idea/.idea.osu/*.iml
-*.sln.iml
-
-# CodeRush
-.cr/
-
 # Python Tools for Visual Studio (PTVS)
 __pycache__/
 *.pyc
-Staging/
 
+# Cake #
+/tools/**
+/build/tools/**
+/build/temp/**
+
+# Covers JetBrains IDEs: IntelliJ, RubyMine, PhpStorm, AppCode, PyCharm, CLion, Android Studio and WebStorm
+# Reference: https://intellij-support.jetbrains.com/hc/en-us/articles/206544839
+
+# User-specific stuff
+.idea/**/workspace.xml
+.idea/**/tasks.xml
+.idea/**/usage.statistics.xml
+.idea/**/dictionaries
+.idea/**/shelf
+
+# Generated files
+.idea/**/contentModel.xml
+
+# Sensitive or high-churn files
+.idea/**/dataSources/
+.idea/**/dataSources.ids
+.idea/**/dataSources.local.xml
+.idea/**/sqlDataSources.xml
+.idea/**/dynamic.xml
+.idea/**/uiDesigner.xml
+.idea/**/dbnavigator.xml
+
+# Gradle
+.idea/**/gradle.xml
+.idea/**/libraries
+
+# Gradle and Maven with auto-import
+# When using Gradle or Maven with auto-import, you should exclude module files,
+# since they will be recreated, and may cause churn.  Uncomment if using
+# auto-import.
+.idea/modules.xml
+.idea/*.iml
+.idea/modules
+*.iml
+*.ipr
+
+# CMake
+cmake-build-*/
+
+# Mongo Explorer plugin
+.idea/**/mongoSettings.xml
+
+# File-based project format
+*.iws
+
+# IntelliJ
+out/
+
+# mpeltonen/sbt-idea plugin
+.idea_modules/
+
+# JIRA plugin
+atlassian-ide-plugin.xml
+
+# Cursive Clojure plugin
+.idea/replstate.xml
+
+# Crashlytics plugin (for Android Studio and IntelliJ)
+com_crashlytics_export_strings.xml
+crashlytics.properties
+crashlytics-build.properties
+fabric.properties
+
+# Editor-based Rest Client
+.idea/httpRequests
+
+# Android studio 3.1+ serialized cache file
+.idea/caches/build_file_checksums.ser
+
+# fastlane
+fastlane/report.xml
+
+# inspectcode
 inspectcodereport.xml
+inspectcode

.idea/.idea.osu.Desktop/.idea/.name

@@ -0,0 +1 @@
+osu.Desktop

.idea/.idea.osu.Desktop/.idea/codeStyles/codeStyleConfig.xml

@@ -0,0 +1,5 @@
+<component name="ProjectCodeStyleConfiguration">
+  <state>
+    <option name="PREFERRED_PROJECT_CODE_STYLE" value="Default" />
+  </state>
+</component>

.idea/.idea.osu.Desktop/.idea/dataSources.xml

@@ -0,0 +1,14 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="DataSourceManagerImpl" format="xml" multifile-model="true">
+    <data-source source="LOCAL" name="osu-client-sqlite" uuid="1aa4b9be-cd8d-47ae-8186-30a13cd724a5">
+      <driver-ref>sqlite.xerial</driver-ref>
+      <synchronize>true</synchronize>
+      <jdbc-driver>org.sqlite.JDBC</jdbc-driver>
+      <jdbc-url>jdbc:sqlite:$USER_HOME$/.local/share/osu/client.db</jdbc-url>
+      <driver-properties>
+        <property name="enable_load_extension" value="true" />
+      </driver-properties>
+    </data-source>
+  </component>
+</project>

.idea/.idea.osu.Desktop/.idea/encodings.xml

@@ -0,0 +1,4 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="Encoding" addBOMForNewFiles="with NO BOM" />
+</project>

.idea/.idea.osu.Desktop/.idea/indexLayout.xml

@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ContentModelUserStore">
+    <attachedFolders />
+    <explicitIncludes />
+    <explicitExcludes />
+  </component>
+</project>

.idea/.idea.osu.Desktop/.idea/misc.xml

@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="com.jetbrains.rider.android.RiderAndroidMiscFileCreationComponent">
+    <option name="ENSURE_MISC_FILE_EXISTS" value="true" />
+  </component>
+</project>

.idea/.idea.osu.Desktop/.idea/modules.xml

@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ProjectModuleManager">
+    <modules>
+      <module fileurl="file://$PROJECT_DIR$/.idea/.idea.osu.Desktop/riderModule.iml" filepath="$PROJECT_DIR$/.idea/.idea.osu.Desktop/riderModule.iml" />
+    </modules>
+  </component>
+</project>

.idea/.idea.osu.Desktop/.idea/projectSettingsUpdater.xml

@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="RiderProjectSettingsUpdater">
+    <option name="vcsConfiguration" value="1" />
+  </component>
+</project>

.idea/.idea.osu.Desktop/.idea/vcs.xml

@@ -0,0 +1,16 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="CommitMessageInspectionProfile">
+    <profile version="1.0">
+      <inspection_tool class="SubjectBodySeparation" enabled="true" level="WARNING" enabled_by_default="true" />
+    </profile>
+  </component>
+  <component name="GitSharedSettings">
+    <option name="FORCE_PUSH_PROHIBITED_PATTERNS">
+      <list />
+    </option>
+  </component>
+  <component name="VcsDirectoryMappings">
+    <mapping directory="" vcs="Git" />
+  </component>
+</project>

.idea/.idea.osu/.idea/indexLayout.xml

@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ContentModelUserStore">
+    <attachedFolders />
+    <explicitIncludes />
+    <explicitExcludes />
+  </component>
+</project>

.idea/.idea.osu/.idea/modules.xml

@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ProjectModuleManager">
+    <modules>
+      <module fileurl="file://$PROJECT_DIR$/.idea/.idea.osu/riderModule.iml" filepath="$PROJECT_DIR$/.idea/.idea.osu/riderModule.iml" />
+    </modules>
+  </component>
+</project>

.idea/.idea.osu/.idea/projectSettingsUpdater.xml

@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="RiderProjectSettingsUpdater">
+    <option name="vcsConfiguration" value="1" />
+  </component>
+</project>

.idea/.idea.osu/.idea/vcs.xml

@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="VcsDirectoryMappings">
+    <mapping directory="$PROJECT_DIR$" vcs="Git" />
+  </component>
+</project>

.vscode/tasks.json

@@ -100,7 +100,7 @@
             "command": "dotnet",
             "args": [
                 "restore",
-                "osu.sln"
+                "build/Desktop.proj"
             ],
             "problemMatcher": []
         }

Directory.Build.props

@@ -1,13 +1,13 @@
 <!-- Contains required properties for osu!framework projects. -->
 <Project>
   <PropertyGroup Label="C#">
-    <LangVersion>7.2</LangVersion>
+    <LangVersion>7.3</LangVersion>
   </PropertyGroup>
   <PropertyGroup>
-    <ApplicationManifest>..\app.manifest</ApplicationManifest>
+    <ApplicationManifest>$(MSBuildThisFileDirectory)app.manifest</ApplicationManifest>
   </PropertyGroup>
   <ItemGroup Label="License">
-    <None Include="..\osu.licenseheader">
+    <None Include="$(MSBuildThisFileDirectory)osu.licenseheader">
       <Link>osu.licenseheader</Link>
     </None>
   </ItemGroup>
@@ -15,10 +15,18 @@
     <EmbeddedResource Include="Resources\**\*.*" />
   </ItemGroup>
   <PropertyGroup Label="Project">
-    <Company>ppy Pty Ltd</Company>
-    <Copyright>Copyright (c) 2019 ppy Pty Ltd</Copyright>
     <!-- DeepEqual is not netstandard-compatible. This is fine since we run tests with .NET Framework anyway.
     This is required due to https://github.com/NuGet/Home/issues/5740 -->
     <NoWarn>NU1701</NoWarn>
   </PropertyGroup>
+  <PropertyGroup Label="Nuget">
+    <Authors>ppy Pty Ltd</Authors>
+    <PackageLicenseExpression>MIT</PackageLicenseExpression>
+    <PackageProjectUrl>https://github.com/ppy/osu</PackageProjectUrl>
+    <RepositoryUrl>https://github.com/ppy/osu</RepositoryUrl>
+    <PackageReleaseNotes>Automated release.</PackageReleaseNotes>
+    <Company>ppy Pty Ltd</Company>
+    <Copyright>Copyright (c) 2019 ppy Pty Ltd</Copyright>
+    <PackageTags>osu game</PackageTags>
+  </PropertyGroup>
 </Project>

README.md

@@ -19,9 +19,9 @@ Detailed changelogs are published on the [official osu! site](https://osu.ppy.sh
 ## Requirements
 
 - A desktop platform with the [.NET Core SDK 3.0](https://www.microsoft.com/net/learn/get-started) or higher installed.
-- When running on linux, please have a system-wide ffmpeg installation available to support video decoding.
+- When running on Linux, please have a system-wide FFmpeg installation available to support video decoding.
 - When running on Windows 7 or 8.1, **[additional prerequisites](https://docs.microsoft.com/en-us/dotnet/core/windows-prerequisites?tabs=netcore2x)** may be required to correctly run .NET Core applications if your operating system is not up-to-date with the latest service packs.
-- When working with the codebase, we recommend using an IDE with intellisense and syntax highlighting, such as [Visual Studio 2017+](https://visualstudio.microsoft.com/vs/), [Jetbrains Rider](https://www.jetbrains.com/rider/) or [Visual Studio Code](https://code.visualstudio.com/).
+- When working with the codebase, we recommend using an IDE with intelligent code completion and syntax highlighting, such as [Visual Studio 2019+](https://visualstudio.microsoft.com/vs/), [JetBrains Rider](https://www.jetbrains.com/rider/) or [Visual Studio Code](https://code.visualstudio.com/).
 
 ## Running osu!
 
@@ -57,7 +57,8 @@ git pull
 
 Build configurations for the recommended IDEs (listed above) are included. You should use the provided Build/Run functionality of your IDE to get things going. When testing or building new components, it's highly encouraged you use the `VisualTests` project/configuration. More information on this provided [below](#contributing).
 
-> Visual Studio Code users must run the `Restore` task before any build attempt.
+- Visual Studio / Rider users should load the project via one of the platform-specific .slnf files, rather than the main .sln. This will allow access to template run configurations.
+- Visual Studio Code users must run the `Restore` task before any build attempt.
 
 You can also build and run osu! from the command-line with a single command:
 
@@ -67,19 +68,7 @@ dotnet run --project osu.Desktop
 
 If you are not interested in debugging osu!, you can add `-c Release` to gain performance. In this case, you must replace `Debug` with `Release` in any commands mentioned in this document.
 
-If the build fails, try to restore nuget packages with `dotnet restore`.
-
-#### A note for Linux users
-
-On Linux, the environment variable `LD_LIBRARY_PATH` must point to the build directory, located at `osu.Desktop/bin/Debug/$NETCORE_VERSION`.
-
-`$NETCORE_VERSION` is the version of the targeted .NET Core SDK. You can check it by running `grep TargetFramework osu.Desktop/osu.Desktop.csproj | sed -r 's/.*>(.*)<\/.*/\1/'`.
-
-For example, you can run osu! with the following command:
-
-```shell
-LD_LIBRARY_PATH="$(pwd)/osu.Desktop/bin/Debug/netcoreapp3.0" dotnet run --project osu.Desktop
-```
+If the build fails, try to restore NuGet packages with `dotnet restore`.
 
 ### Testing with resource/framework modifications
 
@@ -87,11 +76,11 @@ Sometimes it may be necessary to cross-test changes in [osu-resources](https://g
 
 ### Code analysis
 
-Code analysis can be run with `powershell ./build.ps1` or `build.sh`. This is currently only supported under windows due to [resharper cli shortcomings](https://youtrack.jetbrains.com/issue/RSRP-410004). Alternatively, you can install resharper or use rider to get inline support in your IDE of choice.
+Code analysis can be run with `powershell ./build.ps1` or `build.sh`. This is currently only supported under Windows due to [ReSharper CLI shortcomings](https://youtrack.jetbrains.com/issue/RSRP-410004). Alternatively, you can install ReSharper or use Rider to get inline support in your IDE of choice.
 
 ## Contributing
 
-We welcome all contributions, but keep in mind that we already have a lot of the UI designed. If you wish to work on something with the intention on having it included in the official distribution, please open an issue for discussion and we will give you what you need from a design perspective to proceed. If you want to make *changes* to the design, we recommend you open an issue with your intentions before spending too much time, to ensure no effort is wasted.
+We welcome all contributions, but keep in mind that we already have a lot of the UI designed. If you wish to work on something with the intention of having it included in the official distribution, please open an issue for discussion and we will give you what you need from a design perspective to proceed. If you want to make *changes* to the design, we recommend you open an issue with your intentions before spending too much time, to ensure no effort is wasted.
 
 If you're unsure of what you can help with, check out the [list of open issues](https://github.com/ppy/osu/issues) (especially those with the ["good first issue"](https://github.com/ppy/osu/issues?q=is%3Aissue+is%3Aopen+sort%3Aupdated-desc+label%3A%22good+first+issue%22) label).
 
@@ -99,7 +88,7 @@ Before starting, please make sure you are familiar with the [development and tes
 
 Note that while we already have certain standards in place, nothing is set in stone. If you have an issue with the way code is structured; with any libraries we are using; with any processes involved with contributing, *please* bring it up. We welcome all feedback so we can make contributing to this project as pain-free as possible.
 
-For those interested, we love to reward quality contributions via [bounties](https://docs.google.com/spreadsheets/d/1jNXfj_S3Pb5PErA-czDdC9DUu4IgUbe1Lt8E7CYUJuE/view?&rm=minimal#gid=523803337), paid out via paypal or osu! supporter tags. Don't hesitate to [request a bounty](https://docs.google.com/forms/d/e/1FAIpQLSet_8iFAgPMG526pBZ2Kic6HSh7XPM3fE8xPcnWNkMzINDdYg/viewform) for your work on this project.
+For those interested, we love to reward quality contributions via [bounties](https://docs.google.com/spreadsheets/d/1jNXfj_S3Pb5PErA-czDdC9DUu4IgUbe1Lt8E7CYUJuE/view?&rm=minimal#gid=523803337), paid out via PayPal or osu!supporter tags. Don't hesitate to [request a bounty](https://docs.google.com/forms/d/e/1FAIpQLSet_8iFAgPMG526pBZ2Kic6HSh7XPM3fE8xPcnWNkMzINDdYg/viewform) for your work on this project.
 
 ## Licence
 

appveyor.yml

@@ -1,6 +1,6 @@
 clone_depth: 1
 version: '{branch}-{build}'
-image: Visual Studio 2019 Preview
+image: Visual Studio 2019
 test: off
 build_script:
   - cmd: PowerShell -Version 2.0 .\build.ps1

appveyor_deploy.yml

@@ -1,6 +1,6 @@
 clone_depth: 1
 version: '{build}'
-image: Visual Studio 2019 Preview
+image: Visual Studio 2019
 test: off
 skip_non_tags: true
 build_script:

build.ps1

@@ -21,7 +21,7 @@ if ($DryRun) { $cakeArguments += "-dryrun" }
 if ($Experimental) { $cakeArguments += "-experimental" }
 $cakeArguments += $ScriptArgs
 
-dotnet tool install Cake.Tool --global --version 0.35.0
+dotnet tool restore
 dotnet cake ./build/build.cake --bootstrap
 dotnet cake ./build/build.cake $cakeArguments
 exit $LASTEXITCODE

build.sh

@@ -1,5 +1,5 @@
 echo "Installing Cake.Tool..."
-dotnet tool install Cake.Tool --global --version 0.35.0
+dotnet tool restore
 
 # Parse arguments.
 CAKE_ARGUMENTS=()

build/Desktop.proj

@@ -0,0 +1,17 @@
+<Project Sdk="Microsoft.Build.Traversal">
+  <ItemGroup>
+    <ProjectReference Include="..\osu.Desktop\osu.Desktop.csproj" />
+    <ProjectReference Include="..\osu.Game.Rulesets.Catch.Tests\osu.Game.Rulesets.Catch.Tests.csproj" />
+    <ProjectReference Include="..\osu.Game.Rulesets.Catch\osu.Game.Rulesets.Catch.csproj" />
+    <ProjectReference Include="..\osu.Game.Rulesets.Mania.Tests\osu.Game.Rulesets.Mania.Tests.csproj" />
+    <ProjectReference Include="..\osu.Game.Rulesets.Mania\osu.Game.Rulesets.Mania.csproj" />
+    <ProjectReference Include="..\osu.Game.Rulesets.Osu.Tests\osu.Game.Rulesets.Osu.Tests.csproj" />
+    <ProjectReference Include="..\osu.Game.Rulesets.Osu\osu.Game.Rulesets.Osu.csproj" />
+    <ProjectReference Include="..\osu.Game.Rulesets.Taiko.Tests\osu.Game.Rulesets.Taiko.Tests.csproj" />
+    <ProjectReference Include="..\osu.Game.Rulesets.Taiko\osu.Game.Rulesets.Taiko.csproj" />
+    <ProjectReference Include="..\osu.Game.Tests\osu.Game.Tests.csproj" />
+    <ProjectReference Include="..\osu.Game.Tournament.Tests\osu.Game.Tournament.Tests.csproj" />
+    <ProjectReference Include="..\osu.Game.Tournament\osu.Game.Tournament.csproj" />
+    <ProjectReference Include="..\osu.Game\osu.Game.csproj" />
+  </ItemGroup>
+</Project>

build/build.cake

@@ -11,7 +11,9 @@ var target = Argument("target", "Build");
 var configuration = Argument("configuration", "Release");
 
 var rootDirectory = new DirectoryPath("..");
-var solution = rootDirectory.CombineWithFilePath("osu.sln");
+var sln = rootDirectory.CombineWithFilePath("osu.sln");
+var desktopBuilds = rootDirectory.CombineWithFilePath("build/Desktop.proj");
+var desktopSlnf = rootDirectory.CombineWithFilePath("osu.Desktop.slnf");
 
 ///////////////////////////////////////////////////////////////////////////////
 // TASKS
@@ -19,7 +21,7 @@ var solution = rootDirectory.CombineWithFilePath("osu.sln");
 
 Task("Compile")
     .Does(() => {
-        DotNetCoreBuild(solution.FullPath, new DotNetCoreBuildSettings {
+        DotNetCoreBuild(desktopBuilds.FullPath, new DotNetCoreBuildSettings {
             Configuration = configuration,
         });
     });
@@ -41,7 +43,7 @@ Task("InspectCode")
     .WithCriteria(IsRunningOnWindows())
     .IsDependentOn("Compile")
     .Does(() => {
-        InspectCode(solution, new InspectCodeSettings {
+        InspectCode(desktopSlnf, new InspectCodeSettings {
             CachesHome = "inspectcode",
             OutputFile = "inspectcodereport.xml",
         });
@@ -59,8 +61,12 @@ Task("CodeFileSanity")
         });
     });
 
+Task("DotnetFormat")
+    .Does(() => DotNetCoreTool(sln.FullPath, "format", "--dry-run --check"));
+
 Task("Build")
     .IsDependentOn("CodeFileSanity")
+    .IsDependentOn("DotnetFormat")
     .IsDependentOn("InspectCode")
     .IsDependentOn("Test");
 

fastlane/Fastfile

@@ -49,12 +49,12 @@ desc 'Deploy to play store'
   desc 'Compile the project'
   lane :build do |options|
     nuget_restore(
-      project_path: 'osu.Android.sln'
+      project_path: 'osu.sln'
     )
 
     souyuz(
       build_configuration: 'Release',
-      solution_path: 'osu.Android.sln',
+      solution_path: 'osu.sln',
       platform: "android",
       output_path: "osu.Android/bin/Release/",
       keystore_path: options[:keystore_path],
@@ -70,7 +70,7 @@ desc 'Deploy to play store'
     android_build = split.join('')
 
     app_version(
-      solution_path: 'osu.Android.sln',
+      solution_path: 'osu.sln',
       version: options[:version],
       build: android_build,
     )
@@ -106,7 +106,7 @@ platform :ios do
   desc 'Compile the project'
   lane :build do
     nuget_restore(
-      project_path: 'osu.iOS.sln'
+      project_path: 'osu.sln'
     )
 
     souyuz(

global.json

@@ -0,0 +1,5 @@
+{
+  "msbuild-sdks": {
+    "Microsoft.Build.Traversal": "2.0.19"
+  }
+}

osu.Android.props

@@ -1,13 +1,10 @@
 <Project>
-  <PropertyGroup>
-    <Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
-    <Platform Condition=" '$(Platform)' == '' ">AnyCPU</Platform>
+<PropertyGroup>
     <OutputPath>bin\$(Configuration)</OutputPath>
     <WarningLevel>4</WarningLevel>
     <SchemaVersion>2.0</SchemaVersion>
     <BundleAssemblies>false</BundleAssemblies>
     <AotAssemblies>false</AotAssemblies>
-    <LangVersion>default</LangVersion>
     <OutputType>Library</OutputType>
     <FileAlignment>512</FileAlignment>
     <GenerateSerializationAssemblies>Off</GenerateSerializationAssemblies>
@@ -15,37 +12,31 @@
     <AndroidHttpClientHandlerType>Xamarin.Android.Net.AndroidClientHandler</AndroidHttpClientHandlerType>
     <TargetFrameworkVersion>v9.0</TargetFrameworkVersion>
     <AndroidUseLatestPlatformSdk>false</AndroidUseLatestPlatformSdk>
+    <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
+    <AndroidSupportedAbis>armeabi-v7a;x86;arm64-v8a</AndroidSupportedAbis>
+    <AndroidEnableSGenConcurrent>true</AndroidEnableSGenConcurrent>
+    <MandroidI18n>cjk,mideast,other,rare,west</MandroidI18n>
+    <AndroidLinkMode>SdkOnly</AndroidLinkMode>
+    <ErrorReport>prompt</ErrorReport>
   </PropertyGroup>
-  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
+  <PropertyGroup Condition="'$(Configuration)' == 'Debug'">
     <DebugSymbols>True</DebugSymbols>
     <DebugType>portable</DebugType>
     <Optimize>False</Optimize>
     <DefineConstants>DEBUG;TRACE</DefineConstants>
-    <ErrorReport>prompt</ErrorReport>
     <EnableLLVM>false</EnableLLVM>
     <AndroidManagedSymbols>false</AndroidManagedSymbols>
-    <AndroidLinkMode>SdkOnly</AndroidLinkMode>
     <AndroidUseSharedRuntime>true</AndroidUseSharedRuntime>
     <EmbedAssembliesIntoApk>false</EmbedAssembliesIntoApk>
-    <MandroidI18n>cjk,mideast,other,rare,west</MandroidI18n>
-    <AndroidEnableSGenConcurrent>true</AndroidEnableSGenConcurrent>
-    <AndroidSupportedAbis>armeabi-v7a;x86;arm64-v8a</AndroidSupportedAbis>
-    <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
   </PropertyGroup>
-  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' ">
+  <PropertyGroup Condition="'$(Configuration)' == 'Release'">
     <DebugSymbols>false</DebugSymbols>
     <DebugType>None</DebugType>
     <Optimize>True</Optimize>
-    <ErrorReport>prompt</ErrorReport>
     <EnableLLVM>true</EnableLLVM>
     <AndroidManagedSymbols>false</AndroidManagedSymbols>
-    <AndroidLinkMode>SdkOnly</AndroidLinkMode>
     <AndroidUseSharedRuntime>False</AndroidUseSharedRuntime>
     <EmbedAssembliesIntoApk>true</EmbedAssembliesIntoApk>
-    <MandroidI18n>cjk,mideast,other,rare,west</MandroidI18n>
-    <AndroidEnableSGenConcurrent>true</AndroidEnableSGenConcurrent>
-    <AndroidSupportedAbis>armeabi-v7a;x86;arm64-v8a</AndroidSupportedAbis>
-    <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
   </PropertyGroup>
   <ItemGroup>
     <None Include="$(MSBuildThisFileDirectory)\osu.licenseheader">
@@ -62,6 +53,6 @@
   </ItemGroup>
   <ItemGroup>
     <PackageReference Include="ppy.osu.Game.Resources" Version="2019.1010.0" />
-    <PackageReference Include="ppy.osu.Framework.Android" Version="2019.1021.0" />
+    <PackageReference Include="ppy.osu.Framework.Android" Version="2019.1112.0" />
   </ItemGroup>
 </Project>

osu.Android.sln

@@ -1,126 +0,0 @@
-
-Microsoft Visual Studio Solution File, Format Version 12.00
-# Visual Studio Version 16
-VisualStudioVersion = 16.0.28516.95
-MinimumVisualStudioVersion = 10.0.40219.1
-Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "osu.Game", "osu.Game\osu.Game.csproj", "{2A66DD92-ADB1-4994-89E2-C94E04ACDA0D}"
-EndProject
-Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "osu.Game.Rulesets.Osu", "osu.Game.Rulesets.Osu\osu.Game.Rulesets.Osu.csproj", "{C92A607B-1FDD-4954-9F92-03FF547D9080}"
-EndProject
-Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "osu.Game.Rulesets.Catch", "osu.Game.Rulesets.Catch\osu.Game.Rulesets.Catch.csproj", "{58F6C80C-1253-4A0E-A465-B8C85EBEADF3}"
-EndProject
-Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "osu.Game.Rulesets.Taiko", "osu.Game.Rulesets.Taiko\osu.Game.Rulesets.Taiko.csproj", "{F167E17A-7DE6-4AF5-B920-A5112296C695}"
-EndProject
-Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "osu.Game.Rulesets.Mania", "osu.Game.Rulesets.Mania\osu.Game.Rulesets.Mania.csproj", "{48F4582B-7687-4621-9CBE-5C24197CB536}"
-EndProject
-Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "osu.Android", "osu.Android\osu.Android.csproj", "{D1D5F9A8-B40B-40E6-B02F-482D03346D3D}"
-EndProject
-Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "osu.Game.Rulesets.Catch.Tests.Android", "osu.Game.Rulesets.Catch.Tests.Android\osu.Game.Rulesets.Catch.Tests.Android.csproj", "{C5379ECB-3A94-4D2F-AC3B-2615AC23EB0D}"
-EndProject
-Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "osu.Game.Rulesets.Mania.Tests.Android", "osu.Game.Rulesets.Mania.Tests.Android\osu.Game.Rulesets.Mania.Tests.Android.csproj", "{531F1092-DB27-445D-AA33-2A77C7187C99}"
-EndProject
-Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "osu.Game.Rulesets.Osu.Tests.Android", "osu.Game.Rulesets.Osu.Tests.Android\osu.Game.Rulesets.Osu.Tests.Android.csproj", "{90CAB706-39CB-4B93-9629-3218A6FF8E9B}"
-EndProject
-Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "osu.Game.Rulesets.Taiko.Tests.Android", "osu.Game.Rulesets.Taiko.Tests.Android\osu.Game.Rulesets.Taiko.Tests.Android.csproj", "{3701A0A1-8476-42C6-B5C4-D24129B4A484}"
-EndProject
-Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "osu.Game.Tests.Android", "osu.Game.Tests.Android\osu.Game.Tests.Android.csproj", "{5CC222DC-5716-4499-B897-DCBDDA4A5CF9}"
-EndProject
-Global
-	GlobalSection(SolutionConfigurationPlatforms) = preSolution
-		Debug|Any CPU = Debug|Any CPU
-		Release|Any CPU = Release|Any CPU
-	EndGlobalSection
-	GlobalSection(ProjectConfigurationPlatforms) = postSolution
-		{2A66DD92-ADB1-4994-89E2-C94E04ACDA0D}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
-		{2A66DD92-ADB1-4994-89E2-C94E04ACDA0D}.Debug|Any CPU.Build.0 = Debug|Any CPU
-		{2A66DD92-ADB1-4994-89E2-C94E04ACDA0D}.Release|Any CPU.ActiveCfg = Release|Any CPU
-		{2A66DD92-ADB1-4994-89E2-C94E04ACDA0D}.Release|Any CPU.Build.0 = Release|Any CPU
-		{C92A607B-1FDD-4954-9F92-03FF547D9080}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
-		{C92A607B-1FDD-4954-9F92-03FF547D9080}.Debug|Any CPU.Build.0 = Debug|Any CPU
-		{C92A607B-1FDD-4954-9F92-03FF547D9080}.Release|Any CPU.ActiveCfg = Release|Any CPU
-		{C92A607B-1FDD-4954-9F92-03FF547D9080}.Release|Any CPU.Build.0 = Release|Any CPU
-		{58F6C80C-1253-4A0E-A465-B8C85EBEADF3}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
-		{58F6C80C-1253-4A0E-A465-B8C85EBEADF3}.Debug|Any CPU.Build.0 = Debug|Any CPU
-		{58F6C80C-1253-4A0E-A465-B8C85EBEADF3}.Release|Any CPU.ActiveCfg = Release|Any CPU
-		{58F6C80C-1253-4A0E-A465-B8C85EBEADF3}.Release|Any CPU.Build.0 = Release|Any CPU
-		{F167E17A-7DE6-4AF5-B920-A5112296C695}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
-		{F167E17A-7DE6-4AF5-B920-A5112296C695}.Debug|Any CPU.Build.0 = Debug|Any CPU
-		{F167E17A-7DE6-4AF5-B920-A5112296C695}.Release|Any CPU.ActiveCfg = Release|Any CPU
-		{F167E17A-7DE6-4AF5-B920-A5112296C695}.Release|Any CPU.Build.0 = Release|Any CPU
-		{48F4582B-7687-4621-9CBE-5C24197CB536}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
-		{48F4582B-7687-4621-9CBE-5C24197CB536}.Debug|Any CPU.Build.0 = Debug|Any CPU
-		{48F4582B-7687-4621-9CBE-5C24197CB536}.Release|Any CPU.ActiveCfg = Release|Any CPU
-		{48F4582B-7687-4621-9CBE-5C24197CB536}.Release|Any CPU.Build.0 = Release|Any CPU
-		{D1D5F9A8-B40B-40E6-B02F-482D03346D3D}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
-		{D1D5F9A8-B40B-40E6-B02F-482D03346D3D}.Debug|Any CPU.Build.0 = Debug|Any CPU
-		{D1D5F9A8-B40B-40E6-B02F-482D03346D3D}.Debug|Any CPU.Deploy.0 = Debug|Any CPU
-		{D1D5F9A8-B40B-40E6-B02F-482D03346D3D}.Release|Any CPU.ActiveCfg = Release|Any CPU
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-		{D1D5F9A8-B40B-40E6-B02F-482D03346D3D}.Release|Any CPU.Deploy.0 = Release|Any CPU
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-	EndGlobalSection
-	GlobalSection(SolutionProperties) = preSolution
-		HideSolutionNode = FALSE
-	EndGlobalSection
-	GlobalSection(ExtensibilityGlobals) = postSolution
-		SolutionGuid = {671B0BEC-2403-45B0-9357-2C97CC517668}
-	EndGlobalSection
-	GlobalSection(MonoDevelopProperties) = preSolution
-		Policies = $0
-		$0.TextStylePolicy = $1
-		$1.EolMarker = Windows
-		$1.inheritsSet = VisualStudio
-		$1.inheritsScope = text/plain
-		$1.scope = text/x-csharp
-		$0.CSharpFormattingPolicy = $2
-		$2.IndentSwitchSection = True
-		$2.NewLinesForBracesInProperties = True
-		$2.NewLinesForBracesInAccessors = True
-		$2.NewLinesForBracesInAnonymousMethods = True
-		$2.NewLinesForBracesInControlBlocks = True
-		$2.NewLinesForBracesInAnonymousTypes = True
-		$2.NewLinesForBracesInObjectCollectionArrayInitializers = True
-		$2.NewLinesForBracesInLambdaExpressionBody = True
-		$2.NewLineForElse = True
-		$2.NewLineForCatch = True
-		$2.NewLineForFinally = True
-		$2.NewLineForMembersInObjectInit = True
-		$2.NewLineForMembersInAnonymousTypes = True
-		$2.NewLineForClausesInQuery = True
-		$2.SpacingAfterMethodDeclarationName = False
-		$2.SpaceAfterMethodCallName = False
-		$2.SpaceBeforeOpenSquareBracket = False
-		$2.inheritsSet = Mono
-		$2.inheritsScope = text/x-csharp
-		$2.scope = text/x-csharp
-	EndGlobalSection
-EndGlobal

osu.Android.sln.DotSettings

@@ -1,834 +0,0 @@
-<wpf:ResourceDictionary xml:space="preserve" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" xmlns:s="clr-namespace:System;assembly=mscorlib" xmlns:ss="urn:shemas-jetbrains-com:settings-storage-xaml" xmlns:wpf="http://schemas.microsoft.com/winfx/2006/xaml/presentation">
-	<s:Boolean x:Key="/Default/CodeInspection/ExcludedFiles/FileMasksToSkip/=_002A_002Efnt/@EntryIndexedValue">True</s:Boolean>
-	<s:Boolean x:Key="/Default/CodeInspection/ExcludedFiles/FileMasksToSkip/=_002A_002Emp3/@EntryIndexedValue">True</s:Boolean>
-	<s:Boolean x:Key="/Default/CodeInspection/ExcludedFiles/FileMasksToSkip/=_002A_002Epng/@EntryIndexedValue">True</s:Boolean>
-	<s:Boolean x:Key="/Default/CodeInspection/ExcludedFiles/FileMasksToSkip/=_002A_002Ewav/@EntryIndexedValue">True</s:Boolean>
-	<s:String x:Key="/Default/CodeInspection/ExcludedFiles/FilesAndFoldersToSkip2/=2A66DD92_002DADB1_002D4994_002D89E2_002DC94E04ACDA0D_002Fd_003AMigrations/@EntryIndexedValue">ExplicitlyExcluded</s:String>
-	<s:String x:Key="/Default/CodeInspection/ExcludedFiles/FilesAndFoldersToSkip2/=D9A367C9_002D4C1A_002D489F_002D9B05_002DA0CEA2B53B58/@EntryIndexedValue">ExplicitlyExcluded</s:String>
-	<s:String x:Key="/Default/CodeInspection/Highlighting/AnalysisEnabled/@EntryValue">SOLUTION</s:String>
-	<s:String x:Key="/Default/CodeInspection/Highlighting/InspectionSeverities/=ArrangeAccessorOwnerBody/@EntryIndexedValue">HINT</s:String>
-	<s:String x:Key="/Default/CodeInspection/Highlighting/InspectionSeverities/=ArrangeModifiersOrder/@EntryIndexedValue">WARNING</s:String>
-	<s:String x:Key="/Default/CodeInspection/Highlighting/InspectionSeverities/=ArrangeRedundantParentheses/@EntryIndexedValue"></s:String>
-	<s:Boolean x:Key="/Default/CodeInspection/Highlighting/InspectionSeverities/=ArrangeRedundantParentheses/@EntryIndexRemoved">True</s:Boolean>
-	<s:String x:Key="/Default/CodeInspection/Highlighting/InspectionSeverities/=ArrangeTypeMemberModifiers/@EntryIndexedValue">WARNING</s:String>
-	<s:String x:Key="/Default/CodeInspection/Highlighting/InspectionSeverities/=ArrangeTypeModifiers/@EntryIndexedValue">WARNING</s:String>
-	<s:String x:Key="/Default/CodeInspection/Highlighting/InspectionSeverities/=AssignedValueIsNeverUsed/@EntryIndexedValue">HINT</s:String>
-	<s:String x:Key="/Default/CodeInspection/Highlighting/InspectionSeverities/=AssignNullToNotNullAttribute/@EntryIndexedValue">HINT</s:String>
-	<s:String x:Key="/Default/CodeInspection/Highlighting/InspectionSeverities/=AutoPropertyCanBeMadeGetOnly_002EGlobal/@EntryIndexedValue">HINT</s:String>
-	<s:String x:Key="/Default/CodeInspection/Highlighting/InspectionSeverities/=AutoPropertyCanBeMadeGetOnly_002ELocal/@EntryIndexedValue">HINT</s:String>
-	<s:String x:Key="/Default/CodeInspection/Highlighting/InspectionSeverities/=CanBeReplacedWithTryCastAndCheckForNull/@EntryIndexedValue">WARNING</s:String>
-	<s:String x:Key="/Default/CodeInspection/Highlighting/InspectionSeverities/=CheckForReferenceEqualityInstead_002E1/@EntryIndexedValue">WARNING</s:String>
-	<s:String x:Key="/Default/CodeInspection/Highlighting/InspectionSeverities/=CheckForReferenceEqualityInstead_002E2/@EntryIndexedValue">WARNING</s:String>
-	<s:String x:Key="/Default/CodeInspection/Highlighting/InspectionSeverities/=ClassNeverInstantiated_002EGlobal/@EntryIndexedValue">HINT</s:String>
-	<s:String x:Key="/Default/CodeInspection/Highlighting/InspectionSeverities/=ClassNeverInstantiated_002ELocal/@EntryIndexedValue">WARNING</s:String>
-	<s:String x:Key="/Default/CodeInspection/Highlighting/InspectionSeverities/=ClassWithVirtualMembersNeverInherited_002EGlobal/@EntryIndexedValue">HINT</s:String>
-	<s:String x:Key="/Default/CodeInspection/Highlighting/InspectionSeverities/=CollectionNeverQueried_002EGlobal/@EntryIndexedValue">SUGGESTION</s:String>
-	<s:String x:Key="/Default/CodeInspection/Highlighting/InspectionSeverities/=CollectionNeverQueried_002ELocal/@EntryIndexedValue">HINT</s:String>
-	<s:String x:Key="/Default/CodeInspection/Highlighting/InspectionSeverities/=CommentTypo/@EntryIndexedValue">HINT</s:String>
-	<s:String x:Key="/Default/CodeInspection/Highlighting/InspectionSeverities/=CompareOfFloatsByEqualityOperator/@EntryIndexedValue">HINT</s:String>
-	<s:String x:Key="/Default/CodeInspection/Highlighting/InspectionSeverities/=ConvertClosureToMethodGroup/@EntryIndexedValue">WARNING</s:String>
-	<s:String x:Key="/Default/CodeInspection/Highlighting/InspectionSeverities/=ConvertIfDoToWhile/@EntryIndexedValue">WARNING</s:String>
-	<s:String x:Key="/Default/CodeInspection/Highlighting/InspectionSeverities/=ConvertIfStatementToConditionalTernaryExpression/@EntryIndexedValue">WARNING</s:String>
-	<s:String x:Key="/Default/CodeInspection/Highlighting/InspectionSeverities/=ConvertIfStatementToNullCoalescingExpression/@EntryIndexedValue">WARNING</s:String>
-	<s:String x:Key="/Default/CodeInspection/Highlighting/InspectionSeverities/=ConvertIfToOrExpression/@EntryIndexedValue">WARNING</s:String>
-	<s:String x:Key="/Default/CodeInspection/Highlighting/InspectionSeverities/=ConvertNullableToShortForm/@EntryIndexedValue">WARNING</s:String>
-	<s:String x:Key="/Default/CodeInspection/Highlighting/InspectionSeverities/=ConvertPropertyToExpressionBody/@EntryIndexedValue">WARNING</s:String>
-	<s:String x:Key="/Default/CodeInspection/Highlighting/InspectionSeverities/=ConvertToAutoProperty/@EntryIndexedValue">HINT</s:String>
-	<s:String x:Key="/Default/CodeInspection/Highlighting/InspectionSeverities/=ConvertToConstant_002ELocal/@EntryIndexedValue">WARNING</s:String>
-	<s:String x:Key="/Default/CodeInspection/Highlighting/InspectionSeverities/=ConvertToLambdaExpression/@EntryIndexedValue">WARNING</s:String>
-	<s:String x:Key="/Default/CodeInspection/Highlighting/InspectionSeverities/=ConvertToLocalFunction/@EntryIndexedValue">HINT</s:String>
-	<s:String x:Key="/Default/CodeInspection/Highlighting/InspectionSeverities/=ConvertToStaticClass/@EntryIndexedValue">WARNING</s:String>
-	<s:String x:Key="/Default/CodeInspection/Highlighting/InspectionSeverities/=DoubleNegationOperator/@EntryIndexedValue">WARNING</s:String>
-	<s:String x:Key="/Default/CodeInspection/Highlighting/InspectionSeverities/=EmptyGeneralCatchClause/@EntryIndexedValue">DO_NOT_SHOW</s:String>
-	<s:String x:Key="/Default/CodeInspection/Highlighting/InspectionSeverities/=EventNeverSubscribedTo_002EGlobal/@EntryIndexedValue">HINT</s:String>
-	<s:String x:Key="/Default/CodeInspection/Highlighting/InspectionSeverities/=EventNeverSubscribedTo_002ELocal/@EntryIndexedValue">WARNING</s:String>
-	<s:String x:Key="/Default/CodeInspection/Highlighting/InspectionSeverities/=FieldCanBeMadeReadOnly_002EGlobal/@EntryIndexedValue">DO_NOT_SHOW</s:String>
-	<s:String x:Key="/Default/CodeInspection/Highlighting/InspectionSeverities/=FieldCanBeMadeReadOnly_002ELocal/@EntryIndexedValue">WARNING</s:String>
-	<s:String x:Key="/Default/CodeInspection/Highlighting/InspectionSeverities/=ForCanBeConvertedToForeach/@EntryIndexedValue">HINT</s:String>
-	<s:String x:Key="/Default/CodeInspection/Highlighting/InspectionSeverities/=IdentifierTypo/@EntryIndexedValue">HINT</s:String>
-	<s:String x:Key="/Default/CodeInspection/Highlighting/InspectionSeverities/=ImpureMethodCallOnReadonlyValueField/@EntryIndexedValue">HINT</s:String>
-	<s:String x:Key="/Default/CodeInspection/Highlighting/InspectionSeverities/=InconsistentNaming/@EntryIndexedValue">ERROR</s:String>
-	<s:String x:Key="/Default/CodeInspection/Highlighting/InspectionSeverities/=InheritdocConsiderUsage/@EntryIndexedValue">HINT</s:String>
-	<s:String x:Key="/Default/CodeInspection/Highlighting/InspectionSeverities/=InlineOutVariableDeclaration/@EntryIndexedValue">HINT</s:String>
-	<s:String x:Key="/Default/CodeInspection/Highlighting/InspectionSeverities/=InvertIf/@EntryIndexedValue">HINT</s:String>
-	<s:String x:Key="/Default/CodeInspection/Highlighting/InspectionSeverities/=InvokeAsExtensionMethod/@EntryIndexedValue">WARNING</s:String>
-	<s:String x:Key="/Default/CodeInspection/Highlighting/InspectionSeverities/=JoinDeclarationAndInitializer/@EntryIndexedValue">WARNING</s:String>
-	<s:String x:Key="/Default/CodeInspection/Highlighting/InspectionSeverities/=JoinNullCheckWithUsage/@EntryIndexedValue">HINT</s:String>
-	<s:String x:Key="/Default/CodeInspection/Highlighting/InspectionSeverities/=MemberCanBeMadeStatic_002ELocal/@EntryIndexedValue">DO_NOT_SHOW</s:String>
-	<s:String x:Key="/Default/CodeInspection/Highlighting/InspectionSeverities/=MemberCanBePrivate_002EGlobal/@EntryIndexedValue">HINT</s:String>
-	<s:String x:Key="/Default/CodeInspection/Highlighting/InspectionSeverities/=MemberCanBePrivate_002ELocal/@EntryIndexedValue">HINT</s:String>
-	<s:String x:Key="/Default/CodeInspection/Highlighting/InspectionSeverities/=MemberCanBeProtected_002EGlobal/@EntryIndexedValue">HINT</s:String>
-	<s:String x:Key="/Default/CodeInspection/Highlighting/InspectionSeverities/=MergeCastWithTypeCheck/@EntryIndexedValue">HINT</s:String>
-	<s:String x:Key="/Default/CodeInspection/Highlighting/InspectionSeverities/=MergeConditionalExpression/@EntryIndexedValue">WARNING</s:String>
-	<s:String x:Key="/Default/CodeInspection/Highlighting/InspectionSeverities/=MergeSequentialChecks/@EntryIndexedValue">WARNING</s:String>
-	<s:String x:Key="/Default/CodeInspection/Highlighting/InspectionSeverities/=MethodSupportsCancellation/@EntryIndexedValue">WARNING</s:String>
-	<s:String x:Key="/Default/CodeInspection/Highlighting/InspectionSeverities/=MoreSpecificForeachVariableTypeAvailable/@EntryIndexedValue">WARNING</s:String>
-	<s:String x:Key="/Default/CodeInspection/Highlighting/InspectionSeverities/=NestedStringInterpolation/@EntryIndexedValue">WARNING</s:String>
-	<s:String x:Key="/Default/CodeInspection/Highlighting/InspectionSeverities/=NotAccessedField_002EGlobal/@EntryIndexedValue">HINT</s:String>
-	<s:String x:Key="/Default/CodeInspection/Highlighting/InspectionSeverities/=ParameterHidesMember/@EntryIndexedValue">HINT</s:String>
-	<s:String x:Key="/Default/CodeInspection/Highlighting/InspectionSeverities/=ParameterOnlyUsedForPreconditionCheck_002EGlobal/@EntryIndexedValue">HINT</s:String>
-	<s:String x:Key="/Default/CodeInspection/Highlighting/InspectionSeverities/=ParameterOnlyUsedForPreconditionCheck_002ELocal/@EntryIndexedValue">HINT</s:String>
-	<s:String x:Key="/Default/CodeInspection/Highlighting/InspectionSeverities/=PossibleMultipleEnumeration/@EntryIndexedValue">HINT</s:String>
-	<s:String x:Key="/Default/CodeInspection/Highlighting/InspectionSeverities/=PrivateVariableCanBeMadeReadonly/@EntryIndexedValue">WARNING</s:String>
-	<s:String x:Key="/Default/CodeInspection/Highlighting/InspectionSeverities/=PublicConstructorInAbstractClass/@EntryIndexedValue">WARNING</s:String>
-	<s:String x:Key="/Default/CodeInspection/Highlighting/InspectionSeverities/=RedundantArrayCreationExpression/@EntryIndexedValue">WARNING</s:String>
-	<s:String x:Key="/Default/CodeInspection/Highlighting/InspectionSeverities/=RedundantAttributeParentheses/@EntryIndexedValue">WARNING</s:String>
-	<s:String x:Key="/Default/CodeInspection/Highlighting/InspectionSeverities/=RedundantAttributeUsageProperty/@EntryIndexedValue">WARNING</s:String>
-	<s:String x:Key="/Default/CodeInspection/Highlighting/InspectionSeverities/=RedundantCaseLabel/@EntryIndexedValue">HINT</s:String>
-	<s:String x:Key="/Default/CodeInspection/Highlighting/InspectionSeverities/=RedundantCommaInAttributeList/@EntryIndexedValue">DO_NOT_SHOW</s:String>
-	<s:String x:Key="/Default/CodeInspection/Highlighting/InspectionSeverities/=RedundantCommaInEnumDeclaration/@EntryIndexedValue">DO_NOT_SHOW</s:String>
-	<s:String x:Key="/Default/CodeInspection/Highlighting/InspectionSeverities/=RedundantCommaInInitializer/@EntryIndexedValue">DO_NOT_SHOW</s:String>
-	<s:String x:Key="/Default/CodeInspection/Highlighting/InspectionSeverities/=RedundantEmptyObjectCreationArgumentList/@EntryIndexedValue">WARNING</s:String>
-	
-	<s:String x:Key="/Default/CodeInspection/Highlighting/InspectionSeverities/=RedundantExplicitParamsArrayCreation/@EntryIndexedValue">WARNING</s:String>
-	<s:String x:Key="/Default/CodeInspection/Highlighting/InspectionSeverities/=RedundantImmediateDelegateInvocation/@EntryIndexedValue">WARNING</s:String>
-	<s:String x:Key="/Default/CodeInspection/Highlighting/InspectionSeverities/=RedundantLambdaSignatureParentheses/@EntryIndexedValue">WARNING</s:String>
-	<s:String x:Key="/Default/CodeInspection/Highlighting/InspectionSeverities/=RedundantUsingDirective/@EntryIndexedValue">ERROR</s:String>
-	<s:String x:Key="/Default/CodeInspection/Highlighting/InspectionSeverities/=RedundantStringInterpolation/@EntryIndexedValue">WARNING</s:String>
-	<s:String x:Key="/Default/CodeInspection/Highlighting/InspectionSeverities/=RedundantVerbatimPrefix/@EntryIndexedValue">WARNING</s:String>
-	<s:String x:Key="/Default/CodeInspection/Highlighting/InspectionSeverities/=RedundantVerbatimStringPrefix/@EntryIndexedValue">HINT</s:String>
-	<s:String x:Key="/Default/CodeInspection/Highlighting/InspectionSeverities/=RemoveRedundantOrStatement_002EFalse/@EntryIndexedValue">WARNING</s:String>
-	<s:String x:Key="/Default/CodeInspection/Highlighting/InspectionSeverities/=RemoveRedundantOrStatement_002ETrue/@EntryIndexedValue">WARNING</s:String>
-	<s:String x:Key="/Default/CodeInspection/Highlighting/InspectionSeverities/=RemoveToList_002E1/@EntryIndexedValue">WARNING</s:String>
-	<s:String x:Key="/Default/CodeInspection/Highlighting/InspectionSeverities/=RemoveToList_002E2/@EntryIndexedValue">WARNING</s:String>
-	<s:String x:Key="/Default/CodeInspection/Highlighting/InspectionSeverities/=ReplaceWithFirstOrDefault_002E1/@EntryIndexedValue">WARNING</s:String>
-	<s:String x:Key="/Default/CodeInspection/Highlighting/InspectionSeverities/=ReplaceWithFirstOrDefault_002E2/@EntryIndexedValue">WARNING</s:String>
-	<s:String x:Key="/Default/CodeInspection/Highlighting/InspectionSeverities/=ReplaceWithFirstOrDefault_002E3/@EntryIndexedValue">WARNING</s:String>
-	<s:String x:Key="/Default/CodeInspection/Highlighting/InspectionSeverities/=ReplaceWithFirstOrDefault_002E4/@EntryIndexedValue">WARNING</s:String>
-	<s:String x:Key="/Default/CodeInspection/Highlighting/InspectionSeverities/=ReplaceWithLastOrDefault_002E1/@EntryIndexedValue">WARNING</s:String>
-	<s:String x:Key="/Default/CodeInspection/Highlighting/InspectionSeverities/=ReplaceWithLastOrDefault_002E2/@EntryIndexedValue">WARNING</s:String>
-	<s:String x:Key="/Default/CodeInspection/Highlighting/InspectionSeverities/=ReplaceWithLastOrDefault_002E3/@EntryIndexedValue">WARNING</s:String>
-	<s:String x:Key="/Default/CodeInspection/Highlighting/InspectionSeverities/=ReplaceWithLastOrDefault_002E4/@EntryIndexedValue">WARNING</s:String>
-	<s:String x:Key="/Default/CodeInspection/Highlighting/InspectionSeverities/=ReplaceWithOfType_002E1/@EntryIndexedValue">WARNING</s:String>
-	<s:String x:Key="/Default/CodeInspection/Highlighting/InspectionSeverities/=ReplaceWithOfType_002E2/@EntryIndexedValue">WARNING</s:String>
-	<s:String x:Key="/Default/CodeInspection/Highlighting/InspectionSeverities/=ReplaceWithOfType_002E3/@EntryIndexedValue">WARNING</s:String>
-	<s:String x:Key="/Default/CodeInspection/Highlighting/InspectionSeverities/=ReplaceWithOfType_002EAny_002E1/@EntryIndexedValue">WARNING</s:String>
-	<s:String x:Key="/Default/CodeInspection/Highlighting/InspectionSeverities/=ReplaceWithOfType_002EAny_002E2/@EntryIndexedValue">WARNING</s:String>
-	<s:String x:Key="/Default/CodeInspection/Highlighting/InspectionSeverities/=ReplaceWithOfType_002ECount_002E1/@EntryIndexedValue">WARNING</s:String>
-	<s:String x:Key="/Default/CodeInspection/Highlighting/InspectionSeverities/=ReplaceWithOfType_002ECount_002E2/@EntryIndexedValue">WARNING</s:String>
-	<s:String x:Key="/Default/CodeInspection/Highlighting/InspectionSeverities/=ReplaceWithOfType_002EFirst_002E1/@EntryIndexedValue">WARNING</s:String>
-	<s:String x:Key="/Default/CodeInspection/Highlighting/InspectionSeverities/=ReplaceWithOfType_002EFirst_002E2/@EntryIndexedValue">WARNING</s:String>
-	<s:String x:Key="/Default/CodeInspection/Highlighting/InspectionSeverities/=ReplaceWithOfType_002EFirstOrDefault_002E1/@EntryIndexedValue">WARNING</s:String>
-	<s:String x:Key="/Default/CodeInspection/Highlighting/InspectionSeverities/=ReplaceWithOfType_002EFirstOrDefault_002E2/@EntryIndexedValue">WARNING</s:String>
-	<s:String x:Key="/Default/CodeInspection/Highlighting/InspectionSeverities/=ReplaceWithOfType_002ELast_002E1/@EntryIndexedValue">WARNING</s:String>
-	<s:String x:Key="/Default/CodeInspection/Highlighting/InspectionSeverities/=ReplaceWithOfType_002ELast_002E2/@EntryIndexedValue">WARNING</s:String>
-	<s:String x:Key="/Default/CodeInspection/Highlighting/InspectionSeverities/=ReplaceWithOfType_002ELastOrDefault_002E1/@EntryIndexedValue">WARNING</s:String>
-	<s:String x:Key="/Default/CodeInspection/Highlighting/InspectionSeverities/=ReplaceWithOfType_002ELastOrDefault_002E2/@EntryIndexedValue">WARNING</s:String>
-	<s:String x:Key="/Default/CodeInspection/Highlighting/InspectionSeverities/=ReplaceWithOfType_002ELongCount/@EntryIndexedValue">WARNING</s:String>
-	<s:String x:Key="/Default/CodeInspection/Highlighting/InspectionSeverities/=ReplaceWithOfType_002ESingle_002E1/@EntryIndexedValue">WARNING</s:String>
-	<s:String x:Key="/Default/CodeInspection/Highlighting/InspectionSeverities/=ReplaceWithOfType_002ESingle_002E2/@EntryIndexedValue">WARNING</s:String>
-	<s:String x:Key="/Default/CodeInspection/Highlighting/InspectionSeverities/=ReplaceWithOfType_002ESingleOrDefault_002E1/@EntryIndexedValue">WARNING</s:String>
-	<s:String x:Key="/Default/CodeInspection/Highlighting/InspectionSeverities/=ReplaceWithOfType_002ESingleOrDefault_002E2/@EntryIndexedValue">WARNING</s:String>
-	<s:String x:Key="/Default/CodeInspection/Highlighting/InspectionSeverities/=ReplaceWithOfType_002EWhere/@EntryIndexedValue">WARNING</s:String>
-	<s:String x:Key="/Default/CodeInspection/Highlighting/InspectionSeverities/=ReplaceWithSimpleAssignment_002EFalse/@EntryIndexedValue">WARNING</s:String>
-	<s:String x:Key="/Default/CodeInspection/Highlighting/InspectionSeverities/=ReplaceWithSimpleAssignment_002ETrue/@EntryIndexedValue">WARNING</s:String>
-	<s:String x:Key="/Default/CodeInspection/Highlighting/InspectionSeverities/=ReplaceWithSingleAssignment_002EFalse/@EntryIndexedValue">WARNING</s:String>
-	<s:String x:Key="/Default/CodeInspection/Highlighting/InspectionSeverities/=ReplaceWithSingleAssignment_002ETrue/@EntryIndexedValue">WARNING</s:String>
-	<s:String x:Key="/Default/CodeInspection/Highlighting/InspectionSeverities/=ReplaceWithSingleCallToAny/@EntryIndexedValue">WARNING</s:String>
-	<s:String x:Key="/Default/CodeInspection/Highlighting/InspectionSeverities/=ReplaceWithSingleCallToCount/@EntryIndexedValue">WARNING</s:String>
-	<s:String x:Key="/Default/CodeInspection/Highlighting/InspectionSeverities/=ReplaceWithSingleCallToFirst/@EntryIndexedValue">WARNING</s:String>
-	<s:String x:Key="/Default/CodeInspection/Highlighting/InspectionSeverities/=ReplaceWithSingleCallToFirstOrDefault/@EntryIndexedValue">HINT</s:String>
-	<s:String x:Key="/Default/CodeInspection/Highlighting/InspectionSeverities/=ReplaceWithSingleCallToLast/@EntryIndexedValue">WARNING</s:String>
-	<s:String x:Key="/Default/CodeInspection/Highlighting/InspectionSeverities/=ReplaceWithSingleCallToLastOrDefault/@EntryIndexedValue">WARNING</s:String>
-	<s:String x:Key="/Default/CodeInspection/Highlighting/InspectionSeverities/=ReplaceWithSingleCallToSingle/@EntryIndexedValue">WARNING</s:String>
-	<s:String x:Key="/Default/CodeInspection/Highlighting/InspectionSeverities/=ReplaceWithSingleCallToSingleOrDefault/@EntryIndexedValue">WARNING</s:String>
-	<s:String x:Key="/Default/CodeInspection/Highlighting/InspectionSeverities/=ReplaceWithSingleOrDefault_002E1/@EntryIndexedValue">WARNING</s:String>
-	<s:String x:Key="/Default/CodeInspection/Highlighting/InspectionSeverities/=ReplaceWithSingleOrDefault_002E2/@EntryIndexedValue">WARNING</s:String>
-	<s:String x:Key="/Default/CodeInspection/Highlighting/InspectionSeverities/=ReplaceWithSingleOrDefault_002E3/@EntryIndexedValue">WARNING</s:String>
-	<s:String x:Key="/Default/CodeInspection/Highlighting/InspectionSeverities/=ReplaceWithSingleOrDefault_002E4/@EntryIndexedValue">WARNING</s:String>
-	<s:String x:Key="/Default/CodeInspection/Highlighting/InspectionSeverities/=StringLiteralTypo/@EntryIndexedValue">HINT</s:String>
-	<s:String x:Key="/Default/CodeInspection/Highlighting/InspectionSeverities/=SuggestVarOrType_005FBuiltInTypes/@EntryIndexedValue">DO_NOT_SHOW</s:String>
-	<s:String x:Key="/Default/CodeInspection/Highlighting/InspectionSeverities/=SuggestVarOrType_005FSimpleTypes/@EntryIndexedValue">DO_NOT_SHOW</s:String>
-	<s:String x:Key="/Default/CodeInspection/Highlighting/InspectionSeverities/=SwitchStatementMissingSomeCases/@EntryIndexedValue">DO_NOT_SHOW</s:String>
-	<s:String x:Key="/Default/CodeInspection/Highlighting/InspectionSeverities/=TooWideLocalVariableScope/@EntryIndexedValue">WARNING</s:String>
-	<s:String x:Key="/Default/CodeInspection/Highlighting/InspectionSeverities/=TryCastAlwaysSucceeds/@EntryIndexedValue">WARNING</s:String>
-	<s:String x:Key="/Default/CodeInspection/Highlighting/InspectionSeverities/=UnassignedField_002EGlobal/@EntryIndexedValue">HINT</s:String>
-	<s:String x:Key="/Default/CodeInspection/Highlighting/InspectionSeverities/=UnnecessaryWhitespace/@EntryIndexedValue">WARNING</s:String>
-	<s:String x:Key="/Default/CodeInspection/Highlighting/InspectionSeverities/=UnusedAutoPropertyAccessor_002EGlobal/@EntryIndexedValue">HINT</s:String>
-	<s:String x:Key="/Default/CodeInspection/Highlighting/InspectionSeverities/=UnusedMemberHierarchy_002EGlobal/@EntryIndexedValue">HINT</s:String>
-	<s:String x:Key="/Default/CodeInspection/Highlighting/InspectionSeverities/=UnusedMemberInSuper_002EGlobal/@EntryIndexedValue">HINT</s:String>
-	<s:String x:Key="/Default/CodeInspection/Highlighting/InspectionSeverities/=UnusedMember_002EGlobal/@EntryIndexedValue">HINT</s:String>
-	<s:String x:Key="/Default/CodeInspection/Highlighting/InspectionSeverities/=UnusedMember_002ELocal/@EntryIndexedValue">HINT</s:String>
-	<s:String x:Key="/Default/CodeInspection/Highlighting/InspectionSeverities/=UnusedMethodReturnValue_002EGlobal/@EntryIndexedValue">HINT</s:String>
-	<s:String x:Key="/Default/CodeInspection/Highlighting/InspectionSeverities/=UnusedMethodReturnValue_002ELocal/@EntryIndexedValue">HINT</s:String>
-	
-	<s:String x:Key="/Default/CodeInspection/Highlighting/InspectionSeverities/=UnusedParameter_002EGlobal/@EntryIndexedValue">HINT</s:String>
-	<s:String x:Key="/Default/CodeInspection/Highlighting/InspectionSeverities/=UseCollectionCountProperty/@EntryIndexedValue">WARNING</s:String>
-	<s:String x:Key="/Default/CodeInspection/Highlighting/InspectionSeverities/=UseFormatSpecifierInFormatString/@EntryIndexedValue">WARNING</s:String>
-	<s:String x:Key="/Default/CodeInspection/Highlighting/InspectionSeverities/=UseFormatSpecifierInInterpolation/@EntryIndexedValue">WARNING</s:String>
-	<s:String x:Key="/Default/CodeInspection/Highlighting/InspectionSeverities/=UseNameofExpression/@EntryIndexedValue">WARNING</s:String>
-	<s:String x:Key="/Default/CodeInspection/Highlighting/InspectionSeverities/=UseNullPropagation/@EntryIndexedValue">WARNING</s:String>
-	<s:String x:Key="/Default/CodeInspection/Highlighting/InspectionSeverities/=UseObjectOrCollectionInitializer/@EntryIndexedValue">WARNING</s:String>
-	<s:String x:Key="/Default/CodeInspection/Highlighting/InspectionSeverities/=UsePatternMatching/@EntryIndexedValue">HINT</s:String>
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-	<s:String x:Key="/Default/PatternsAndTemplates/LiveTemplates/Template/=28A2A5FC43E07C488A4BC7430879479E/Text/@EntryValue">Anchor = Anchor.$anchor$,
-Origin = Anchor.$anchor$,</s:String>
-	<s:Boolean x:Key="/Default/PatternsAndTemplates/LiveTemplates/Template/=2A3ECBA387AF6D468F6ABDA35DED325A/@KeyIndexDefined">True</s:Boolean>
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-	<s:String x:Key="/Default/PatternsAndTemplates/LiveTemplates/Template/=2A3ECBA387AF6D468F6ABDA35DED325A/Description/@EntryValue">o!f – InternalChildren = []</s:String>
-	<s:Boolean x:Key="/Default/PatternsAndTemplates/LiveTemplates/Template/=2A3ECBA387AF6D468F6ABDA35DED325A/Reformat/@EntryValue">True</s:Boolean>
-	<s:Boolean x:Key="/Default/PatternsAndTemplates/LiveTemplates/Template/=2A3ECBA387AF6D468F6ABDA35DED325A/Scope/=C3001E7C0DA78E4487072B7E050D86C5/@KeyIndexDefined">True</s:Boolean>
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-	<s:String x:Key="/Default/PatternsAndTemplates/LiveTemplates/Template/=2A3ECBA387AF6D468F6ABDA35DED325A/Shortcut/@EntryValue">ofic</s:String>
-	<s:Boolean x:Key="/Default/PatternsAndTemplates/LiveTemplates/Template/=2A3ECBA387AF6D468F6ABDA35DED325A/ShortenQualifiedReferences/@EntryValue">True</s:Boolean>
-	<s:String x:Key="/Default/PatternsAndTemplates/LiveTemplates/Template/=2A3ECBA387AF6D468F6ABDA35DED325A/Text/@EntryValue">InternalChildren = new Drawable[]
-{
-    $END$
-};</s:String>
-	<s:Boolean x:Key="/Default/PatternsAndTemplates/LiveTemplates/Template/=62B70E4DCA5E284A9E383E16C13789C1/@KeyIndexDefined">True</s:Boolean>
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-	<s:String x:Key="/Default/PatternsAndTemplates/LiveTemplates/Template/=62B70E4DCA5E284A9E383E16C13789C1/Description/@EntryValue">o!f – new GridContainer { .. }</s:String>
-	<s:Boolean x:Key="/Default/PatternsAndTemplates/LiveTemplates/Template/=62B70E4DCA5E284A9E383E16C13789C1/Reformat/@EntryValue">True</s:Boolean>
-	<s:Boolean x:Key="/Default/PatternsAndTemplates/LiveTemplates/Template/=62B70E4DCA5E284A9E383E16C13789C1/Scope/=C3001E7C0DA78E4487072B7E050D86C5/@KeyIndexDefined">True</s:Boolean>
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-	<s:String x:Key="/Default/PatternsAndTemplates/LiveTemplates/Template/=62B70E4DCA5E284A9E383E16C13789C1/Shortcut/@EntryValue">ofgc</s:String>
-	<s:Boolean x:Key="/Default/PatternsAndTemplates/LiveTemplates/Template/=62B70E4DCA5E284A9E383E16C13789C1/ShortenQualifiedReferences/@EntryValue">True</s:Boolean>
-	<s:String x:Key="/Default/PatternsAndTemplates/LiveTemplates/Template/=62B70E4DCA5E284A9E383E16C13789C1/Text/@EntryValue">new GridContainer
-{
-    RelativeSizeAxes = Axes.Both,
-    Content = new[]
-    {
-        new Drawable[] { $END$ },
-        new Drawable[] { }
-    }
-};</s:String>
-	<s:Boolean x:Key="/Default/PatternsAndTemplates/LiveTemplates/Template/=72BD3C3DCA42C84DA1E71F1D05A903C4/@KeyIndexDefined">True</s:Boolean>
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-	<s:String x:Key="/Default/PatternsAndTemplates/LiveTemplates/Template/=72BD3C3DCA42C84DA1E71F1D05A903C4/Description/@EntryValue">o!f – new FillFlowContainer { .. }</s:String>
-	<s:Boolean x:Key="/Default/PatternsAndTemplates/LiveTemplates/Template/=72BD3C3DCA42C84DA1E71F1D05A903C4/Reformat/@EntryValue">True</s:Boolean>
-	<s:Boolean x:Key="/Default/PatternsAndTemplates/LiveTemplates/Template/=72BD3C3DCA42C84DA1E71F1D05A903C4/Scope/=C3001E7C0DA78E4487072B7E050D86C5/@KeyIndexDefined">True</s:Boolean>
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-	<s:String x:Key="/Default/PatternsAndTemplates/LiveTemplates/Template/=72BD3C3DCA42C84DA1E71F1D05A903C4/Shortcut/@EntryValue">offf</s:String>
-	<s:Boolean x:Key="/Default/PatternsAndTemplates/LiveTemplates/Template/=72BD3C3DCA42C84DA1E71F1D05A903C4/ShortenQualifiedReferences/@EntryValue">True</s:Boolean>
-	<s:String x:Key="/Default/PatternsAndTemplates/LiveTemplates/Template/=72BD3C3DCA42C84DA1E71F1D05A903C4/Text/@EntryValue">new FillFlowContainer
-{
-    RelativeSizeAxes = Axes.Both,
-    Direction = FillDirection.Vertical,
-    Children = new Drawable[]
-    {
-        $END$
-    }
-},</s:String>
-	<s:Boolean x:Key="/Default/PatternsAndTemplates/LiveTemplates/Template/=750A3C67E083484FAEEA0ED2382181CC/@KeyIndexDefined">True</s:Boolean>
-	<s:Boolean x:Key="/Default/PatternsAndTemplates/LiveTemplates/Template/=750A3C67E083484FAEEA0ED2382181CC/Applicability/=Live/@EntryIndexedValue">True</s:Boolean>
-	<s:String x:Key="/Default/PatternsAndTemplates/LiveTemplates/Template/=750A3C67E083484FAEEA0ED2382181CC/Description/@EntryValue">o!f – new Container { .. }</s:String>
-	<s:Boolean x:Key="/Default/PatternsAndTemplates/LiveTemplates/Template/=750A3C67E083484FAEEA0ED2382181CC/Reformat/@EntryValue">True</s:Boolean>
-	<s:Boolean x:Key="/Default/PatternsAndTemplates/LiveTemplates/Template/=750A3C67E083484FAEEA0ED2382181CC/Scope/=C3001E7C0DA78E4487072B7E050D86C5/@KeyIndexDefined">True</s:Boolean>
-	<s:String x:Key="/Default/PatternsAndTemplates/LiveTemplates/Template/=750A3C67E083484FAEEA0ED2382181CC/Scope/=C3001E7C0DA78E4487072B7E050D86C5/CustomProperties/=minimumLanguageVersion/@EntryIndexedValue">2.0</s:String>
-	<s:String x:Key="/Default/PatternsAndTemplates/LiveTemplates/Template/=750A3C67E083484FAEEA0ED2382181CC/Scope/=C3001E7C0DA78E4487072B7E050D86C5/Type/@EntryValue">InCSharpFile</s:String>
-	<s:String x:Key="/Default/PatternsAndTemplates/LiveTemplates/Template/=750A3C67E083484FAEEA0ED2382181CC/Shortcut/@EntryValue">ofcont</s:String>
-	<s:Boolean x:Key="/Default/PatternsAndTemplates/LiveTemplates/Template/=750A3C67E083484FAEEA0ED2382181CC/ShortenQualifiedReferences/@EntryValue">True</s:Boolean>
-	<s:String x:Key="/Default/PatternsAndTemplates/LiveTemplates/Template/=750A3C67E083484FAEEA0ED2382181CC/Text/@EntryValue">new Container
-{
-    RelativeSizeAxes = Axes.Both,
-    Children = new Drawable[]
-    {
-        $END$
-    }
-},</s:String>
-	<s:Boolean x:Key="/Default/PatternsAndTemplates/LiveTemplates/Template/=78D9C2B1742FD449BD69CD18437E0C07/@KeyIndexDefined">True</s:Boolean>
-	<s:Boolean x:Key="/Default/PatternsAndTemplates/LiveTemplates/Template/=78D9C2B1742FD449BD69CD18437E0C07/Applicability/=Live/@EntryIndexedValue">True</s:Boolean>
-	<s:String x:Key="/Default/PatternsAndTemplates/LiveTemplates/Template/=78D9C2B1742FD449BD69CD18437E0C07/Description/@EntryValue">o!f – BackgroundDependencyLoader load()</s:String>
-	<s:Boolean x:Key="/Default/PatternsAndTemplates/LiveTemplates/Template/=78D9C2B1742FD449BD69CD18437E0C07/Reformat/@EntryValue">True</s:Boolean>
-	<s:Boolean x:Key="/Default/PatternsAndTemplates/LiveTemplates/Template/=78D9C2B1742FD449BD69CD18437E0C07/Scope/=C3001E7C0DA78E4487072B7E050D86C5/@KeyIndexDefined">True</s:Boolean>
-	<s:String x:Key="/Default/PatternsAndTemplates/LiveTemplates/Template/=78D9C2B1742FD449BD69CD18437E0C07/Scope/=C3001E7C0DA78E4487072B7E050D86C5/CustomProperties/=minimumLanguageVersion/@EntryIndexedValue">2.0</s:String>
-	<s:String x:Key="/Default/PatternsAndTemplates/LiveTemplates/Template/=78D9C2B1742FD449BD69CD18437E0C07/Scope/=C3001E7C0DA78E4487072B7E050D86C5/Type/@EntryValue">InCSharpFile</s:String>
-	<s:String x:Key="/Default/PatternsAndTemplates/LiveTemplates/Template/=78D9C2B1742FD449BD69CD18437E0C07/Shortcut/@EntryValue">ofbdl</s:String>
-	<s:Boolean x:Key="/Default/PatternsAndTemplates/LiveTemplates/Template/=78D9C2B1742FD449BD69CD18437E0C07/ShortenQualifiedReferences/@EntryValue">True</s:Boolean>
-	<s:String x:Key="/Default/PatternsAndTemplates/LiveTemplates/Template/=78D9C2B1742FD449BD69CD18437E0C07/Text/@EntryValue">[BackgroundDependencyLoader]
-private void load()
-{
-    $END$
-}</s:String>
-	<s:Boolean x:Key="/Default/PatternsAndTemplates/LiveTemplates/Template/=CC879477D8841A4CBD724C2DCD249435/@KeyIndexDefined">True</s:Boolean>
-	<s:Boolean x:Key="/Default/PatternsAndTemplates/LiveTemplates/Template/=CC879477D8841A4CBD724C2DCD249435/Applicability/=Live/@EntryIndexedValue">True</s:Boolean>
-	<s:String x:Key="/Default/PatternsAndTemplates/LiveTemplates/Template/=CC879477D8841A4CBD724C2DCD249435/Description/@EntryValue">o!f – new Box { .. }</s:String>
-	<s:Boolean x:Key="/Default/PatternsAndTemplates/LiveTemplates/Template/=CC879477D8841A4CBD724C2DCD249435/Reformat/@EntryValue">True</s:Boolean>
-	<s:Boolean x:Key="/Default/PatternsAndTemplates/LiveTemplates/Template/=CC879477D8841A4CBD724C2DCD249435/Scope/=C3001E7C0DA78E4487072B7E050D86C5/@KeyIndexDefined">True</s:Boolean>
-	<s:String x:Key="/Default/PatternsAndTemplates/LiveTemplates/Template/=CC879477D8841A4CBD724C2DCD249435/Scope/=C3001E7C0DA78E4487072B7E050D86C5/CustomProperties/=minimumLanguageVersion/@EntryIndexedValue">2.0</s:String>
-	<s:String x:Key="/Default/PatternsAndTemplates/LiveTemplates/Template/=CC879477D8841A4CBD724C2DCD249435/Scope/=C3001E7C0DA78E4487072B7E050D86C5/Type/@EntryValue">InCSharpFile</s:String>
-	<s:String x:Key="/Default/PatternsAndTemplates/LiveTemplates/Template/=CC879477D8841A4CBD724C2DCD249435/Shortcut/@EntryValue">ofbox</s:String>
-	<s:Boolean x:Key="/Default/PatternsAndTemplates/LiveTemplates/Template/=CC879477D8841A4CBD724C2DCD249435/ShortenQualifiedReferences/@EntryValue">True</s:Boolean>
-	<s:String x:Key="/Default/PatternsAndTemplates/LiveTemplates/Template/=CC879477D8841A4CBD724C2DCD249435/Text/@EntryValue">new Box
-{
-    Colour = Color4.Black,
-    RelativeSizeAxes = Axes.Both,
-},</s:String>
-	<s:Boolean x:Key="/Default/PatternsAndTemplates/LiveTemplates/Template/=F5B3CB743153774F99FB9FCA0FC744EE/@KeyIndexDefined">True</s:Boolean>
-	<s:Boolean x:Key="/Default/PatternsAndTemplates/LiveTemplates/Template/=F5B3CB743153774F99FB9FCA0FC744EE/Applicability/=Live/@EntryIndexedValue">True</s:Boolean>
-	<s:String x:Key="/Default/PatternsAndTemplates/LiveTemplates/Template/=F5B3CB743153774F99FB9FCA0FC744EE/Description/@EntryValue">o!f – Children = []</s:String>
-	<s:Boolean x:Key="/Default/PatternsAndTemplates/LiveTemplates/Template/=F5B3CB743153774F99FB9FCA0FC744EE/Reformat/@EntryValue">True</s:Boolean>
-	<s:Boolean x:Key="/Default/PatternsAndTemplates/LiveTemplates/Template/=F5B3CB743153774F99FB9FCA0FC744EE/Scope/=C3001E7C0DA78E4487072B7E050D86C5/@KeyIndexDefined">True</s:Boolean>
-	<s:String x:Key="/Default/PatternsAndTemplates/LiveTemplates/Template/=F5B3CB743153774F99FB9FCA0FC744EE/Scope/=C3001E7C0DA78E4487072B7E050D86C5/CustomProperties/=minimumLanguageVersion/@EntryIndexedValue">2.0</s:String>
-	<s:String x:Key="/Default/PatternsAndTemplates/LiveTemplates/Template/=F5B3CB743153774F99FB9FCA0FC744EE/Scope/=C3001E7C0DA78E4487072B7E050D86C5/Type/@EntryValue">InCSharpFile</s:String>
-	<s:String x:Key="/Default/PatternsAndTemplates/LiveTemplates/Template/=F5B3CB743153774F99FB9FCA0FC744EE/Shortcut/@EntryValue">ofc</s:String>
-	<s:Boolean x:Key="/Default/PatternsAndTemplates/LiveTemplates/Template/=F5B3CB743153774F99FB9FCA0FC744EE/ShortenQualifiedReferences/@EntryValue">True</s:Boolean>
-	<s:String x:Key="/Default/PatternsAndTemplates/LiveTemplates/Template/=F5B3CB743153774F99FB9FCA0FC744EE/Text/@EntryValue">Children = new Drawable[]
-{
-    $END$
-};</s:String>
-	<s:Boolean x:Key="/Default/UserDictionary/Words/=Beatmap/@EntryIndexedValue">True</s:Boolean>
-	<s:Boolean x:Key="/Default/UserDictionary/Words/=beatmaps/@EntryIndexedValue">True</s:Boolean>
-	<s:Boolean x:Key="/Default/UserDictionary/Words/=beatmap_0027s/@EntryIndexedValue">True</s:Boolean>
-	<s:Boolean x:Key="/Default/UserDictionary/Words/=bindable/@EntryIndexedValue">True</s:Boolean>
-	<s:Boolean x:Key="/Default/UserDictionary/Words/=Catmull/@EntryIndexedValue">True</s:Boolean>
-	<s:Boolean x:Key="/Default/UserDictionary/Words/=Drawables/@EntryIndexedValue">True</s:Boolean>
-	<s:Boolean x:Key="/Default/UserDictionary/Words/=gameplay/@EntryIndexedValue">True</s:Boolean>
-	<s:Boolean x:Key="/Default/UserDictionary/Words/=hitobjects/@EntryIndexedValue">True</s:Boolean>
-	<s:Boolean x:Key="/Default/UserDictionary/Words/=keymods/@EntryIndexedValue">True</s:Boolean>
-	<s:Boolean x:Key="/Default/UserDictionary/Words/=Kiai/@EntryIndexedValue">True</s:Boolean>
-	<s:Boolean x:Key="/Default/UserDictionary/Words/=Leaderboard/@EntryIndexedValue">True</s:Boolean>
-	<s:Boolean x:Key="/Default/UserDictionary/Words/=Leaderboards/@EntryIndexedValue">True</s:Boolean>
-	<s:Boolean x:Key="/Default/UserDictionary/Words/=Playfield/@EntryIndexedValue">True</s:Boolean>
-	<s:Boolean x:Key="/Default/UserDictionary/Words/=resampler/@EntryIndexedValue">True</s:Boolean>
-	<s:Boolean x:Key="/Default/UserDictionary/Words/=ruleset/@EntryIndexedValue">True</s:Boolean>
-	<s:Boolean x:Key="/Default/UserDictionary/Words/=rulesets/@EntryIndexedValue">True</s:Boolean>
-	<s:Boolean x:Key="/Default/UserDictionary/Words/=Taiko/@EntryIndexedValue">True</s:Boolean>
-	<s:Boolean x:Key="/Default/UserDictionary/Words/=Unranked/@EntryIndexedValue">True</s:Boolean></wpf:ResourceDictionary>

osu.Android.slnf

@@ -0,0 +1,19 @@
+{
+  "solution": {
+    "path": "osu.sln",
+    "projects": [
+      "osu.Android\\osu.Android.csproj",
+      "osu.Game.Rulesets.Catch.Tests.Android\\osu.Game.Rulesets.Catch.Tests.Android.csproj",
+      "osu.Game.Rulesets.Catch\\osu.Game.Rulesets.Catch.csproj",
+      "osu.Game.Rulesets.Mania.Tests.Android\\osu.Game.Rulesets.Mania.Tests.Android.csproj",
+      "osu.Game.Rulesets.Mania\\osu.Game.Rulesets.Mania.csproj",
+      "osu.Game.Rulesets.Osu.Tests.Android\\osu.Game.Rulesets.Osu.Tests.Android.csproj",
+      "osu.Game.Rulesets.Osu\\osu.Game.Rulesets.Osu.csproj",
+      "osu.Game.Rulesets.Taiko.Tests.Android\\osu.Game.Rulesets.Taiko.Tests.Android.csproj",
+      "osu.Game.Rulesets.Taiko\\osu.Game.Rulesets.Taiko.csproj",
+      "osu.Game.Tests.Android\\osu.Game.Tests.Android.csproj",
+      "osu.Game.Tests\\osu.Game.Tests.csproj",
+      "osu.Game\\osu.Game.csproj"
+    ]
+  }
+}

osu.Desktop.slnf

@@ -0,0 +1,20 @@
+{
+  "solution": {
+    "path": "osu.sln",
+    "projects": [
+      "osu.Desktop\\osu.Desktop.csproj",
+      "osu.Game.Rulesets.Catch.Tests\\osu.Game.Rulesets.Catch.Tests.csproj",
+      "osu.Game.Rulesets.Catch\\osu.Game.Rulesets.Catch.csproj",
+      "osu.Game.Rulesets.Mania.Tests\\osu.Game.Rulesets.Mania.Tests.csproj",
+      "osu.Game.Rulesets.Mania\\osu.Game.Rulesets.Mania.csproj",
+      "osu.Game.Rulesets.Osu.Tests\\osu.Game.Rulesets.Osu.Tests.csproj",
+      "osu.Game.Rulesets.Osu\\osu.Game.Rulesets.Osu.csproj",
+      "osu.Game.Rulesets.Taiko.Tests\\osu.Game.Rulesets.Taiko.Tests.csproj",
+      "osu.Game.Rulesets.Taiko\\osu.Game.Rulesets.Taiko.csproj",
+      "osu.Game.Tests\\osu.Game.Tests.csproj",
+      "osu.Game.Tournament.Tests\\osu.Game.Tournament.Tests.csproj",
+      "osu.Game.Tournament\\osu.Game.Tournament.csproj",
+      "osu.Game\\osu.Game.csproj"
+    ]
+  }
+}

osu.Desktop/osu.Desktop.csproj

@@ -1,9 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
-  <Import Project="..\osu.Game.props" />
   <PropertyGroup Label="Project">
     <TargetFramework>netcoreapp3.0</TargetFramework>
     <OutputType>WinExe</OutputType>
-    <PlatformTarget>AnyCPU</PlatformTarget>
     <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
     <Description>click the circles. to the beat.</Description>
     <AssemblyName>osu!</AssemblyName>
@@ -23,13 +21,13 @@
     <ProjectReference Include="..\osu.Game.Rulesets.Catch\osu.Game.Rulesets.Catch.csproj" />
     <ProjectReference Include="..\osu.Game.Rulesets.Mania\osu.Game.Rulesets.Mania.csproj" />
     <ProjectReference Include="..\osu.Game.Rulesets.Taiko\osu.Game.Rulesets.Taiko.csproj" />
-    <PackageReference Include="Microsoft.Win32.Registry" Version="4.6.0" />
   </ItemGroup>
   <ItemGroup Label="Package References">
     <PackageReference Include="System.IO.Packaging" Version="4.6.0" />
     <PackageReference Include="ppy.squirrel.windows" Version="1.9.0.4" />
     <PackageReference Include="Microsoft.EntityFrameworkCore.Sqlite" Version="2.2.6" />
     <PackageReference Include="Microsoft.EntityFrameworkCore.Design" Version="2.2.6" />
+    <PackageReference Include="Microsoft.Win32.Registry" Version="4.6.0" />
   </ItemGroup>
   <ItemGroup Label="Resources">
     <EmbeddedResource Include="lazer.ico" />

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

@@ -1,6 +1,5 @@
-<?xml version="1.0" encoding="utf-8"?>
+<?xml version="1.0" encoding="utf-8"?>
 <Project DefaultTargets="Build" ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
-<Import Project="..\packages\NUnit.3.11.0\build\NUnit.props" Condition="Exists('..\packages\NUnit.3.11.0\build\NUnit.props')" />
   <PropertyGroup>
     <Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
     <Platform Condition=" '$(Platform)' == '' ">iPhoneSimulator</Platform>
@@ -33,5 +32,4 @@
     </ProjectReference>
   </ItemGroup>
   <Import Project="$(MSBuildExtensionsPath)\Xamarin\iOS\Xamarin.iOS.CSharp.targets" />
-  <Import Project="..\packages\NETStandard.Library.2.0.0\build\netstandard2.0\NETStandard.Library.targets" Condition="Exists('..\packages\NETStandard.Library.2.0.0\build\netstandard2.0\NETStandard.Library.targets')" />
 </Project>

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

@@ -38,7 +38,7 @@ namespace osu.Game.Rulesets.Catch.Tests
         private void load()
         {
             var controlPointInfo = new ControlPointInfo();
-            controlPointInfo.TimingPoints.Add(new TimingControlPoint());
+            controlPointInfo.Add(0, new TimingControlPoint());
 
             WorkingBeatmap beatmap = CreateWorkingBeatmap(new Beatmap
             {

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

@@ -40,8 +40,10 @@ namespace osu.Game.Rulesets.Catch.Tests
             beatmap.HitObjects.Add(new Fruit { StartTime = 1008, X = 56 / 512f, });
 
             for (int i = 0; i < 512; i++)
+            {
                 if (i % 5 < 3)
                     beatmap.HitObjects.Add(new Fruit { X = i % 10 < 5 ? 0.02f : 0.98f, StartTime = 2000 + i * 100, NewCombo = i % 8 == 0 });
+            }
 
             return beatmap;
         }

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

@@ -2,7 +2,7 @@
   <Import Project="..\osu.TestProject.props" />
   <ItemGroup Label="Package References">
     <PackageReference Include="Appveyor.TestLogger" Version="2.0.0" />
-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="16.3.0" />
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="16.4.0" />
     <PackageReference Include="NUnit" Version="3.12.0" />
     <PackageReference Include="NUnit3TestAdapter" Version="3.15.1" />
     <PackageReference Update="Microsoft.EntityFrameworkCore.Sqlite" Version="2.1.4" />

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

@@ -195,10 +195,15 @@ namespace osu.Game.Rulesets.Catch.Beatmaps
             {
                 if (currentObject is Fruit)
                     objectWithDroplets.Add(currentObject);
+
                 if (currentObject is JuiceStream)
+                {
                     foreach (var currentJuiceElement in currentObject.NestedHitObjects)
+                    {
                         if (!(currentJuiceElement is TinyDroplet))
                             objectWithDroplets.Add((CatchHitObject)currentJuiceElement);
+                    }
+                }
             }
 
             objectWithDroplets.Sort((h1, h2) => h1.StartTime.CompareTo(h2.StartTime));

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

@@ -27,11 +27,13 @@ namespace osu.Game.Rulesets.Catch.Objects
                 return;
 
             for (double i = StartTime; i <= EndTime; i += spacing)
+            {
                 AddNested(new Banana
                 {
                     Samples = Samples,
                     StartTime = i
                 });
+            }
         }
 
         public double EndTime => StartTime + Duration;

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

@@ -126,7 +126,7 @@ namespace osu.Game.Rulesets.Catch.Objects
 
         public double Distance => Path.Distance;
 
-        public List<List<HitSampleInfo>> NodeSamples { get; set; } = new List<List<HitSampleInfo>>();
+        public List<IList<HitSampleInfo>> NodeSamples { get; set; } = new List<IList<HitSampleInfo>>();
 
         public double? LegacyLastTickOffset { get; set; }
     }

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

@@ -1,9 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
-  <Import Project="..\osu.Game.props" />
   <PropertyGroup Label="Project">
     <TargetFramework>netstandard2.0</TargetFramework>
     <OutputType>Library</OutputType>
-    <PlatformTarget>AnyCPU</PlatformTarget>
     <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
     <Description>catch the fruit. to the beat.</Description>
   </PropertyGroup>

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

@@ -1,6 +1,5 @@
-<?xml version="1.0" encoding="utf-8"?>
+<?xml version="1.0" encoding="utf-8"?>
 <Project DefaultTargets="Build" ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
-<Import Project="..\packages\NUnit.3.11.0\build\NUnit.props" Condition="Exists('..\packages\NUnit.3.11.0\build\NUnit.props')" />
   <PropertyGroup>
     <Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
     <Platform Condition=" '$(Platform)' == '' ">iPhoneSimulator</Platform>
@@ -33,5 +32,4 @@
     </ProjectReference>
   </ItemGroup>
   <Import Project="$(MSBuildExtensionsPath)\Xamarin\iOS\Xamarin.iOS.CSharp.targets" />
-  <Import Project="..\packages\NETStandard.Library.2.0.0\build\netstandard2.0\NETStandard.Library.targets" Condition="Exists('..\packages\NETStandard.Library.2.0.0\build\netstandard2.0\NETStandard.Library.targets')" />
 </Project>

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

@@ -2,7 +2,7 @@
   <Import Project="..\osu.TestProject.props" />
   <ItemGroup Label="Package References">
     <PackageReference Include="Appveyor.TestLogger" Version="2.0.0" />
-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="16.3.0" />
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="16.4.0" />
     <PackageReference Include="NUnit" Version="3.12.0" />
     <PackageReference Include="NUnit3TestAdapter" Version="3.15.1" />
     <PackageReference Update="Microsoft.EntityFrameworkCore.Sqlite" Version="2.1.4" />

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

@@ -255,7 +255,7 @@ namespace osu.Game.Rulesets.Mania.Beatmaps
             /// </summary>
             /// <param name="time">The time to retrieve the sample info list from.</param>
             /// <returns></returns>
-            private List<HitSampleInfo> sampleInfoListAt(double time)
+            private IList<HitSampleInfo> sampleInfoListAt(double time)
             {
                 var curveData = HitObject as IHasCurve;
 

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

@@ -472,7 +472,7 @@ namespace osu.Game.Rulesets.Mania.Beatmaps.Patterns.Legacy
         /// </summary>
         /// <param name="time">The time to retrieve the sample info list from.</param>
         /// <returns></returns>
-        private List<HitSampleInfo> sampleInfoListAt(double time)
+        private IList<HitSampleInfo> sampleInfoListAt(double time)
         {
             var curveData = HitObject as IHasCurve;
 

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

@@ -109,8 +109,10 @@ namespace osu.Game.Rulesets.Mania.Beatmaps.Patterns.Legacy
                 {
                     // Generate a new pattern by copying the last hit objects in reverse-column order
                     for (int i = RandomStart; i < TotalColumns; i++)
+                    {
                         if (PreviousPattern.ColumnHasObject(i))
                             addToPattern(pattern, RandomStart + TotalColumns - i - 1);
+                    }
 
                     return pattern;
                 }
@@ -132,8 +134,10 @@ namespace osu.Game.Rulesets.Mania.Beatmaps.Patterns.Legacy
                 {
                     // Generate a new pattern by placing on the already filled columns
                     for (int i = RandomStart; i < TotalColumns; i++)
+                    {
                         if (PreviousPattern.ColumnHasObject(i))
                             addToPattern(pattern, i);
+                    }
 
                     return pattern;
                 }

osu.Game.Rulesets.Mania/Edit/Blueprints/HoldNoteNoteSelectionBlueprint.cs

@@ -0,0 +1,45 @@
+// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
+// See the LICENCE file in the repository root for full licence text.
+
+using osu.Framework.Graphics;
+using osu.Game.Rulesets.Mania.Edit.Blueprints.Components;
+using osu.Game.Rulesets.Mania.Objects.Drawables;
+
+namespace osu.Game.Rulesets.Mania.Edit.Blueprints
+{
+    public class HoldNoteNoteSelectionBlueprint : ManiaSelectionBlueprint
+    {
+        protected new DrawableHoldNote DrawableObject => (DrawableHoldNote)base.DrawableObject;
+
+        private readonly HoldNotePosition position;
+
+        public HoldNoteNoteSelectionBlueprint(DrawableHoldNote holdNote, HoldNotePosition position)
+            : base(holdNote)
+        {
+            this.position = position;
+            InternalChild = new EditNotePiece { RelativeSizeAxes = Axes.X };
+
+            Select();
+        }
+
+        protected override void Update()
+        {
+            base.Update();
+
+            // Todo: This shouldn't exist, mania should not reference the drawable hitobject directly.
+            if (DrawableObject.IsLoaded)
+            {
+                DrawableNote note = position == HoldNotePosition.Start ? DrawableObject.Head : DrawableObject.Tail;
+
+                Anchor = note.Anchor;
+                Origin = note.Origin;
+
+                Size = note.DrawSize;
+                Position = note.DrawPosition;
+            }
+        }
+
+        // Todo: This is temporary, since the note masks don't do anything special yet. In the future they will handle input.
+        public override bool HandlePositionalInput => false;
+    }
+}

osu.Game.Rulesets.Mania/Edit/Blueprints/HoldNotePosition.cs

@@ -0,0 +1,11 @@
+// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
+// See the LICENCE file in the repository root for full licence text.
+
+namespace osu.Game.Rulesets.Mania.Edit.Blueprints
+{
+    public enum HoldNotePosition
+    {
+        Start,
+        End
+    }
+}

osu.Game.Rulesets.Mania/Edit/Blueprints/HoldNoteSelectionBlueprint.cs

@@ -40,8 +40,8 @@ namespace osu.Game.Rulesets.Mania.Edit.Blueprints
 
             InternalChildren = new Drawable[]
             {
-                new HoldNoteNoteSelectionBlueprint(DrawableObject.Head),
-                new HoldNoteNoteSelectionBlueprint(DrawableObject.Tail),
+                new HoldNoteNoteSelectionBlueprint(DrawableObject, HoldNotePosition.Start),
+                new HoldNoteNoteSelectionBlueprint(DrawableObject, HoldNotePosition.End),
                 new BodyPiece
                 {
                     AccentColour = Color4.Transparent,
@@ -54,37 +54,19 @@ namespace osu.Game.Rulesets.Mania.Edit.Blueprints
         {
             base.Update();
 
-            Size = DrawableObject.DrawSize + new Vector2(0, DrawableObject.Tail.DrawHeight);
+            // Todo: This shouldn't exist, mania should not reference the drawable hitobject directly.
+            if (DrawableObject.IsLoaded)
+            {
+                Size = DrawableObject.DrawSize + new Vector2(0, DrawableObject.Tail.DrawHeight);
 
-            // This is a side-effect of not matching the hitobject's anchors/origins, which is kinda hard to do
-            // When scrolling upwards our origin is already at the top of the head note (which is the intended location),
-            // but when scrolling downwards our origin is at the _bottom_ of the tail note (where we need to be at the _top_ of the tail note)
-            if (direction.Value == ScrollingDirection.Down)
-                Y -= DrawableObject.Tail.DrawHeight;
+                // This is a side-effect of not matching the hitobject's anchors/origins, which is kinda hard to do
+                // When scrolling upwards our origin is already at the top of the head note (which is the intended location),
+                // but when scrolling downwards our origin is at the _bottom_ of the tail note (where we need to be at the _top_ of the tail note)
+                if (direction.Value == ScrollingDirection.Down)
+                    Y -= DrawableObject.Tail.DrawHeight;
+            }
         }
 
         public override Quad SelectionQuad => ScreenSpaceDrawQuad;
-
-        private class HoldNoteNoteSelectionBlueprint : NoteSelectionBlueprint
-        {
-            public HoldNoteNoteSelectionBlueprint(DrawableNote note)
-                : base(note)
-            {
-                Select();
-            }
-
-            protected override void Update()
-            {
-                base.Update();
-
-                Anchor = DrawableObject.Anchor;
-                Origin = DrawableObject.Origin;
-
-                Position = DrawableObject.DrawPosition;
-            }
-
-            // Todo: This is temporary, since the note masks don't do anything special yet. In the future they will handle input.
-            public override bool HandlePositionalInput => false;
-        }
     }
 }

osu.Game.Rulesets.Mania/Edit/Blueprints/NoteSelectionBlueprint.cs

@@ -19,7 +19,9 @@ namespace osu.Game.Rulesets.Mania.Edit.Blueprints
         {
             base.Update();
 
-            Size = DrawableObject.DrawSize;
+            // Todo: This shouldn't exist, mania should not reference the drawable hitobject directly.
+            if (DrawableObject.IsLoaded)
+                Size = DrawableObject.DrawSize;
         }
     }
 }

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

@@ -29,7 +29,7 @@ namespace osu.Game.Rulesets.Mania.Edit
             editorClock = clock;
         }
 
-        public override void HandleMovement(MoveSelectionEvent moveEvent)
+        public override bool HandleMovement(MoveSelectionEvent moveEvent)
         {
             var maniaBlueprint = (ManiaSelectionBlueprint)moveEvent.Blueprint;
             int lastColumn = maniaBlueprint.DrawableObject.HitObject.Column;
@@ -38,7 +38,7 @@ namespace osu.Game.Rulesets.Mania.Edit
             performDragMovement(moveEvent);
             performColumnMovement(lastColumn, moveEvent);
 
-            base.HandleMovement(moveEvent);
+            return true;
         }
 
         /// <summary>

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

@@ -1,9 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
-  <Import Project="..\osu.Game.props" />
   <PropertyGroup Label="Project">
     <TargetFramework>netstandard2.0</TargetFramework>
     <OutputType>Library</OutputType>
-    <PlatformTarget>AnyCPU</PlatformTarget>
     <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
     <Description>smash the keys. to the beat.</Description>
   </PropertyGroup>

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

@@ -1,6 +1,5 @@
-<?xml version="1.0" encoding="utf-8"?>
+<?xml version="1.0" encoding="utf-8"?>
 <Project DefaultTargets="Build" ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
-<Import Project="..\packages\NUnit.3.11.0\build\NUnit.props" Condition="Exists('..\packages\NUnit.3.11.0\build\NUnit.props')" />
   <PropertyGroup>
     <Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
     <Platform Condition=" '$(Platform)' == '' ">iPhoneSimulator</Platform>
@@ -33,5 +32,4 @@
     </ProjectReference>
   </ItemGroup>
   <Import Project="$(MSBuildExtensionsPath)\Xamarin\iOS\Xamarin.iOS.CSharp.targets" />
-  <Import Project="..\packages\NETStandard.Library.2.0.0\build\netstandard2.0\NETStandard.Library.targets" Condition="Exists('..\packages\NETStandard.Library.2.0.0\build\netstandard2.0\NETStandard.Library.targets')" />
 </Project>

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

@@ -101,7 +101,11 @@ namespace osu.Game.Rulesets.Osu.Tests
 
             public IBindable<TValue> GetConfig<TLookup, TValue>(TLookup lookup) => throw new NotImplementedException();
 
-            public event Action SourceChanged;
+            public event Action SourceChanged
+            {
+                add { }
+                remove { }
+            }
         }
 
         private class MovingCursorInputManager : ManualInputManager

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

@@ -24,12 +24,14 @@ namespace osu.Game.Rulesets.Osu.Tests
         public TestSceneDrawableJudgement()
         {
             foreach (HitResult result in Enum.GetValues(typeof(HitResult)).OfType<HitResult>().Skip(1))
+            {
                 AddStep("Show " + result.GetDescription(), () => SetContents(() =>
                     new DrawableOsuJudgement(new JudgementResult(new HitObject(), new Judgement()) { Type = result }, null)
                     {
                         Anchor = Anchor.Centre,
                         Origin = Anchor.Centre,
                     }));
+            }
         }
     }
 }

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

@@ -0,0 +1,230 @@
+// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
+// See the LICENCE file in the repository root for full licence text.
+
+using System;
+using NUnit.Framework;
+using osu.Framework.Graphics;
+using osu.Framework.Graphics.Containers;
+using osu.Game.Beatmaps;
+using osu.Game.Beatmaps.ControlPoints;
+using osu.Game.Rulesets.Osu.Objects;
+using osu.Game.Rulesets.Osu.Objects.Drawables;
+using osu.Game.Rulesets.Osu.Objects.Drawables.Connections;
+using osu.Game.Tests.Visual;
+using osuTK;
+
+namespace osu.Game.Rulesets.Osu.Tests
+{
+    public class TestSceneFollowPoints : OsuTestScene
+    {
+        private Container<DrawableOsuHitObject> hitObjectContainer;
+        private FollowPointRenderer followPointRenderer;
+
+        [SetUp]
+        public void Setup() => Schedule(() =>
+        {
+            Children = new Drawable[]
+            {
+                hitObjectContainer = new TestHitObjectContainer { RelativeSizeAxes = Axes.Both },
+                followPointRenderer = new FollowPointRenderer { RelativeSizeAxes = Axes.Both }
+            };
+        });
+
+        [Test]
+        public void TestAddObject()
+        {
+            addObjectsStep(() => new OsuHitObject[] { new HitCircle { Position = new Vector2(100, 100) } });
+
+            assertGroups();
+        }
+
+        [Test]
+        public void TestRemoveObject()
+        {
+            addObjectsStep(() => new OsuHitObject[] { new HitCircle { Position = new Vector2(100, 100) } });
+
+            removeObjectStep(() => getObject(0));
+
+            assertGroups();
+        }
+
+        [Test]
+        public void TestAddMultipleObjects()
+        {
+            addMultipleObjectsStep();
+
+            assertGroups();
+        }
+
+        [Test]
+        public void TestRemoveEndObject()
+        {
+            addMultipleObjectsStep();
+
+            removeObjectStep(() => getObject(4));
+
+            assertGroups();
+        }
+
+        [Test]
+        public void TestRemoveStartObject()
+        {
+            addMultipleObjectsStep();
+
+            removeObjectStep(() => getObject(0));
+
+            assertGroups();
+        }
+
+        [Test]
+        public void TestRemoveMiddleObject()
+        {
+            addMultipleObjectsStep();
+
+            removeObjectStep(() => getObject(2));
+
+            assertGroups();
+        }
+
+        [Test]
+        public void TestMoveObject()
+        {
+            addMultipleObjectsStep();
+
+            AddStep("move hitobject", () => getObject(2).HitObject.Position = new Vector2(300, 100));
+
+            assertGroups();
+        }
+
+        [TestCase(0, 0)] // Start -> Start
+        [TestCase(0, 2)] // Start -> Middle
+        [TestCase(0, 5)] // Start -> End
+        [TestCase(2, 0)] // Middle -> Start
+        [TestCase(1, 3)] // Middle -> Middle (forwards)
+        [TestCase(3, 1)] // Middle -> Middle (backwards)
+        [TestCase(4, 0)] // End -> Start
+        [TestCase(4, 2)] // End -> Middle
+        [TestCase(4, 4)] // End -> End
+        public void TestReorderObjects(int startIndex, int endIndex)
+        {
+            addMultipleObjectsStep();
+
+            reorderObjectStep(startIndex, endIndex);
+
+            assertGroups();
+        }
+
+        private void addMultipleObjectsStep() => addObjectsStep(() => new OsuHitObject[]
+        {
+            new HitCircle { Position = new Vector2(100, 100) },
+            new HitCircle { Position = new Vector2(200, 200) },
+            new HitCircle { Position = new Vector2(300, 300) },
+            new HitCircle { Position = new Vector2(400, 400) },
+            new HitCircle { Position = new Vector2(500, 500) },
+        });
+
+        private void addObjectsStep(Func<OsuHitObject[]> ctorFunc)
+        {
+            AddStep("add hitobjects", () =>
+            {
+                var objects = ctorFunc();
+
+                for (int i = 0; i < objects.Length; i++)
+                {
+                    objects[i].StartTime = Time.Current + 1000 + 500 * (i + 1);
+                    objects[i].ApplyDefaults(new ControlPointInfo(), new BeatmapDifficulty());
+
+                    DrawableOsuHitObject drawableObject = null;
+
+                    switch (objects[i])
+                    {
+                        case HitCircle circle:
+                            drawableObject = new DrawableHitCircle(circle);
+                            break;
+
+                        case Slider slider:
+                            drawableObject = new DrawableSlider(slider);
+                            break;
+
+                        case Spinner spinner:
+                            drawableObject = new DrawableSpinner(spinner);
+                            break;
+                    }
+
+                    hitObjectContainer.Add(drawableObject);
+                    followPointRenderer.AddFollowPoints(drawableObject);
+                }
+            });
+        }
+
+        private void removeObjectStep(Func<DrawableOsuHitObject> getFunc)
+        {
+            AddStep("remove hitobject", () =>
+            {
+                var drawableObject = getFunc?.Invoke();
+
+                hitObjectContainer.Remove(drawableObject);
+                followPointRenderer.RemoveFollowPoints(drawableObject);
+            });
+        }
+
+        private void reorderObjectStep(int startIndex, int endIndex)
+        {
+            AddStep($"move object {startIndex} to {endIndex}", () =>
+            {
+                DrawableOsuHitObject toReorder = getObject(startIndex);
+
+                double targetTime;
+                if (endIndex < hitObjectContainer.Count)
+                    targetTime = getObject(endIndex).HitObject.StartTime - 1;
+                else
+                    targetTime = getObject(hitObjectContainer.Count - 1).HitObject.StartTime + 1;
+
+                hitObjectContainer.Remove(toReorder);
+                toReorder.HitObject.StartTime = targetTime;
+                hitObjectContainer.Add(toReorder);
+            });
+        }
+
+        private void assertGroups()
+        {
+            AddAssert("has correct group count", () => followPointRenderer.Connections.Count == hitObjectContainer.Count);
+            AddAssert("group endpoints are correct", () =>
+            {
+                for (int i = 0; i < hitObjectContainer.Count; i++)
+                {
+                    DrawableOsuHitObject expectedStart = getObject(i);
+                    DrawableOsuHitObject expectedEnd = i < hitObjectContainer.Count - 1 ? getObject(i + 1) : null;
+
+                    if (getGroup(i).Start != expectedStart)
+                        throw new AssertionException($"Object {i} expected to be the start of group {i}.");
+
+                    if (getGroup(i).End != expectedEnd)
+                        throw new AssertionException($"Object {(expectedEnd == null ? "null" : i.ToString())} expected to be the end of group {i}.");
+                }
+
+                return true;
+            });
+        }
+
+        private DrawableOsuHitObject getObject(int index) => hitObjectContainer[index];
+
+        private FollowPointConnection getGroup(int index) => followPointRenderer.Connections[index];
+
+        private class TestHitObjectContainer : Container<DrawableOsuHitObject>
+        {
+            protected override int Compare(Drawable x, Drawable y)
+            {
+                var osuX = (DrawableOsuHitObject)x;
+                var osuY = (DrawableOsuHitObject)y;
+
+                int compare = osuX.HitObject.StartTime.CompareTo(osuY.HitObject.StartTime);
+
+                if (compare == 0)
+                    return base.Compare(x, y);
+
+                return compare;
+            }
+        }
+    }
+}

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

@@ -29,8 +29,10 @@ namespace osu.Game.Rulesets.Osu.Tests
             };
 
             for (int i = 0; i < 512; i++)
+            {
                 if (i % 32 < 20)
                     beatmap.HitObjects.Add(new HitCircle { Position = new Vector2(256, 192), StartTime = i * 100 });
+            }
 
             return beatmap;
         }

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

@@ -2,6 +2,7 @@
 // See the LICENCE file in the repository root for full licence text.
 
 using System;
+using System.Collections.Generic;
 using NUnit.Framework;
 using osu.Framework.Allocation;
 using osu.Framework.Graphics;
@@ -10,10 +11,12 @@ using osu.Framework.Graphics.Shapes;
 using osu.Framework.Input.Events;
 using osu.Framework.MathUtils;
 using osu.Game.Beatmaps.ControlPoints;
+using osu.Game.Rulesets.Edit;
 using osu.Game.Rulesets.Osu.Beatmaps;
 using osu.Game.Rulesets.Osu.Edit;
 using osu.Game.Rulesets.Osu.Objects;
 using osu.Game.Screens.Edit;
+using osu.Game.Screens.Edit.Compose.Components;
 using osu.Game.Tests.Visual;
 using osuTK;
 using osuTK.Graphics;
@@ -25,32 +28,44 @@ namespace osu.Game.Rulesets.Osu.Tests
         private const double beat_length = 100;
         private static readonly Vector2 grid_position = new Vector2(512, 384);
 
+        public override IReadOnlyList<Type> RequiredTypes => new[]
+        {
+            typeof(CircularDistanceSnapGrid)
+        };
+
         [Cached(typeof(IEditorBeatmap))]
         private readonly EditorBeatmap<OsuHitObject> editorBeatmap;
 
         [Cached]
         private readonly BindableBeatDivisor beatDivisor = new BindableBeatDivisor();
 
+        [Cached(typeof(IDistanceSnapProvider))]
+        private readonly SnapProvider snapProvider = new SnapProvider();
+
         private TestOsuDistanceSnapGrid grid;
 
         public TestSceneOsuDistanceSnapGrid()
         {
             editorBeatmap = new EditorBeatmap<OsuHitObject>(new OsuBeatmap());
-
-            createGrid();
         }
 
         [SetUp]
         public void Setup() => Schedule(() =>
         {
-            Clear();
-
             editorBeatmap.BeatmapInfo.BaseDifficulty.SliderMultiplier = 1;
-            editorBeatmap.ControlPointInfo.DifficultyPoints.Clear();
-            editorBeatmap.ControlPointInfo.TimingPoints.Clear();
-            editorBeatmap.ControlPointInfo.TimingPoints.Add(new TimingControlPoint { BeatLength = beat_length });
+            editorBeatmap.ControlPointInfo.Clear();
+            editorBeatmap.ControlPointInfo.Add(0, new TimingControlPoint { BeatLength = beat_length });
 
-            beatDivisor.Value = 1;
+            Children = new Drawable[]
+            {
+                new Box
+                {
+                    RelativeSizeAxes = Axes.Both,
+                    Colour = Color4.SlateGray
+                },
+                grid = new TestOsuDistanceSnapGrid(new HitCircle { Position = grid_position }),
+                new SnappingCursorContainer { GetSnapPosition = v => grid.GetSnappedPosition(grid.ToLocalSpace(v)).position }
+            };
         });
 
         [TestCase(1)]
@@ -64,53 +79,11 @@ namespace osu.Game.Rulesets.Osu.Tests
         public void TestBeatDivisor(int divisor)
         {
             AddStep($"set beat divisor = {divisor}", () => beatDivisor.Value = divisor);
-            createGrid();
-        }
-
-        [TestCase(100, 100)]
-        [TestCase(200, 100)]
-        public void TestBeatLength(float beatLength, float expectedSpacing)
-        {
-            AddStep($"set beat length = {beatLength}", () =>
-            {
-                editorBeatmap.ControlPointInfo.TimingPoints.Clear();
-                editorBeatmap.ControlPointInfo.TimingPoints.Add(new TimingControlPoint { BeatLength = beatLength });
-            });
-
-            createGrid();
-            AddAssert($"spacing = {expectedSpacing}", () => Precision.AlmostEquals(expectedSpacing, grid.DistanceSpacing));
-        }
-
-        [TestCase(0.5f, 50)]
-        [TestCase(1, 100)]
-        [TestCase(1.5f, 150)]
-        public void TestSpeedMultiplier(float multiplier, float expectedSpacing)
-        {
-            AddStep($"set speed multiplier = {multiplier}", () =>
-            {
-                editorBeatmap.ControlPointInfo.DifficultyPoints.Clear();
-                editorBeatmap.ControlPointInfo.DifficultyPoints.Add(new DifficultyControlPoint { SpeedMultiplier = multiplier });
-            });
-
-            createGrid();
-            AddAssert($"spacing = {expectedSpacing}", () => Precision.AlmostEquals(expectedSpacing, grid.DistanceSpacing));
-        }
-
-        [TestCase(0.5f, 50)]
-        [TestCase(1, 100)]
-        [TestCase(1.5f, 150)]
-        public void TestSliderMultiplier(float multiplier, float expectedSpacing)
-        {
-            AddStep($"set speed multiplier = {multiplier}", () => editorBeatmap.BeatmapInfo.BaseDifficulty.SliderMultiplier = multiplier);
-            createGrid();
-            AddAssert($"spacing = {expectedSpacing}", () => Precision.AlmostEquals(expectedSpacing, grid.DistanceSpacing));
         }
 
         [Test]
         public void TestCursorInCentre()
         {
-            createGrid();
-
             AddStep("move mouse to centre", () => InputManager.MoveMouseTo(grid.ToScreenSpace(grid_position)));
             assertSnappedDistance((float)beat_length);
         }
@@ -118,8 +91,6 @@ namespace osu.Game.Rulesets.Osu.Tests
         [Test]
         public void TestCursorBeforeMovementPoint()
         {
-            createGrid();
-
             AddStep("move mouse to just before movement point", () => InputManager.MoveMouseTo(grid.ToScreenSpace(grid_position + new Vector2((float)beat_length, 0) * 1.49f)));
             assertSnappedDistance((float)beat_length);
         }
@@ -127,23 +98,14 @@ namespace osu.Game.Rulesets.Osu.Tests
         [Test]
         public void TestCursorAfterMovementPoint()
         {
-            createGrid();
-
             AddStep("move mouse to just after movement point", () => InputManager.MoveMouseTo(grid.ToScreenSpace(grid_position + new Vector2((float)beat_length, 0) * 1.51f)));
             assertSnappedDistance((float)beat_length * 2);
         }
 
-        private void assertSnappedDistance(float expectedDistance) => AddAssert($"snap distance = {expectedDistance}", () =>
+        [Test]
+        public void TestLimitedDistance()
         {
-            Vector2 snappedPosition = grid.GetSnapPosition(grid.ToLocalSpace(InputManager.CurrentState.Mouse.Position));
-            float distance = Vector2.Distance(snappedPosition, grid_position);
-
-            return Precision.AlmostEquals(expectedDistance, distance);
-        });
-
-        private void createGrid()
-        {
-            AddStep("create grid", () =>
+            AddStep("create limited grid", () =>
             {
                 Children = new Drawable[]
                 {
@@ -152,12 +114,22 @@ namespace osu.Game.Rulesets.Osu.Tests
                         RelativeSizeAxes = Axes.Both,
                         Colour = Color4.SlateGray
                     },
-                    grid = new TestOsuDistanceSnapGrid(new HitCircle { Position = grid_position }),
-                    new SnappingCursorContainer { GetSnapPosition = v => grid.GetSnapPosition(grid.ToLocalSpace(v)) }
+                    grid = new TestOsuDistanceSnapGrid(new HitCircle { Position = grid_position }, new HitCircle { StartTime = 200 }),
+                    new SnappingCursorContainer { GetSnapPosition = v => grid.GetSnappedPosition(grid.ToLocalSpace(v)).position }
                 };
             });
+
+            AddStep("move mouse outside grid", () => InputManager.MoveMouseTo(grid.ToScreenSpace(grid_position + new Vector2((float)beat_length, 0) * 3f)));
+            assertSnappedDistance((float)beat_length * 2);
         }
 
+        private void assertSnappedDistance(float expectedDistance) => AddAssert($"snap distance = {expectedDistance}", () =>
+        {
+            Vector2 snappedPosition = grid.GetSnappedPosition(grid.ToLocalSpace(InputManager.CurrentState.Mouse.Position)).position;
+
+            return Precision.AlmostEquals(expectedDistance, Vector2.Distance(snappedPosition, grid_position));
+        });
+
         private class SnappingCursorContainer : CompositeDrawable
         {
             public Func<Vector2, Vector2> GetSnapPosition;
@@ -201,10 +173,25 @@ namespace osu.Game.Rulesets.Osu.Tests
         {
             public new float DistanceSpacing => base.DistanceSpacing;
 
-            public TestOsuDistanceSnapGrid(OsuHitObject hitObject)
-                : base(hitObject)
+            public TestOsuDistanceSnapGrid(OsuHitObject hitObject, OsuHitObject nextHitObject = null)
+                : base(hitObject, nextHitObject)
             {
             }
         }
+
+        private class SnapProvider : IDistanceSnapProvider
+        {
+            public (Vector2 position, double time) GetSnappedPosition(Vector2 position, double time) => (position, time);
+
+            public float GetBeatSnapDistanceAt(double referenceTime) => (float)beat_length;
+
+            public float DurationToDistance(double referenceTime, double duration) => (float)duration;
+
+            public double DistanceToDuration(double referenceTime, float distance) => distance;
+
+            public double GetSnappedDurationFromDistance(double referenceTime, float distance) => 0;
+
+            public float GetSnappedDistanceFromDistance(double referenceTime, float distance) => 0;
+        }
     }
 }

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

@@ -111,6 +111,82 @@ namespace osu.Game.Rulesets.Osu.Tests
             AddStep("Distance Overflow 1 Repeat", () => SetContents(() => testDistanceOverflow(1)));
         }
 
+        [Test]
+        public void TestChangeStackHeight()
+        {
+            DrawableSlider slider = null;
+
+            AddStep("create slider", () =>
+            {
+                slider = (DrawableSlider)createSlider(repeats: 1);
+                Add(slider);
+            });
+
+            AddStep("change stack height", () => slider.HitObject.StackHeight = 10);
+            AddAssert("body positioned correctly", () => slider.Position == slider.HitObject.StackedPosition);
+        }
+
+        [Test]
+        public void TestChangeSamplesWithNoNodeSamples()
+        {
+            DrawableSlider slider = null;
+
+            AddStep("create slider", () =>
+            {
+                slider = (DrawableSlider)createSlider(repeats: 1);
+                Add(slider);
+            });
+
+            AddStep("change samples", () => slider.HitObject.Samples = new[]
+            {
+                new HitSampleInfo { Name = HitSampleInfo.HIT_CLAP },
+                new HitSampleInfo { Name = HitSampleInfo.HIT_WHISTLE },
+            });
+
+            AddAssert("head samples updated", () => assertSamples(((Slider)slider.HitObject).HeadCircle));
+            AddAssert("tick samples not updated", () => ((Slider)slider.HitObject).NestedHitObjects.OfType<SliderTick>().All(assertTickSamples));
+            AddAssert("repeat samples updated", () => ((Slider)slider.HitObject).NestedHitObjects.OfType<RepeatPoint>().All(assertSamples));
+            AddAssert("tail has no samples", () => ((Slider)slider.HitObject).TailCircle.Samples.Count == 0);
+
+            bool assertTickSamples(SliderTick tick) => tick.Samples.Single().Name == "slidertick";
+
+            bool assertSamples(HitObject hitObject)
+            {
+                return hitObject.Samples.Any(s => s.Name == HitSampleInfo.HIT_CLAP)
+                       && hitObject.Samples.Any(s => s.Name == HitSampleInfo.HIT_WHISTLE);
+            }
+        }
+
+        [Test]
+        public void TestChangeSamplesWithNodeSamples()
+        {
+            DrawableSlider slider = null;
+
+            AddStep("create slider", () =>
+            {
+                slider = (DrawableSlider)createSlider(repeats: 1);
+
+                for (int i = 0; i < 2; i++)
+                    ((Slider)slider.HitObject).NodeSamples.Add(new List<HitSampleInfo> { new HitSampleInfo { Name = HitSampleInfo.HIT_FINISH } });
+
+                Add(slider);
+            });
+
+            AddStep("change samples", () => slider.HitObject.Samples = new[]
+            {
+                new HitSampleInfo { Name = HitSampleInfo.HIT_CLAP },
+                new HitSampleInfo { Name = HitSampleInfo.HIT_WHISTLE },
+            });
+
+            AddAssert("head samples not updated", () => assertSamples(((Slider)slider.HitObject).HeadCircle));
+            AddAssert("tick samples not updated", () => ((Slider)slider.HitObject).NestedHitObjects.OfType<SliderTick>().All(assertTickSamples));
+            AddAssert("repeat samples not updated", () => ((Slider)slider.HitObject).NestedHitObjects.OfType<RepeatPoint>().All(assertSamples));
+            AddAssert("tail has no samples", () => ((Slider)slider.HitObject).TailCircle.Samples.Count == 0);
+
+            bool assertTickSamples(SliderTick tick) => tick.Samples.Single().Name == "slidertick";
+            bool assertSamples(HitObject hitObject) => hitObject.Samples.All(s => s.Name != HitSampleInfo.HIT_CLAP && s.Name != HitSampleInfo.HIT_WHISTLE);
+        }
+
         private Drawable testSimpleBig(int repeats = 0) => createSlider(2, repeats: repeats);
 
         private Drawable testSimpleBigLargeStackOffset(int repeats = 0) => createSlider(2, repeats: repeats, stackHeight: 10);
@@ -128,7 +204,6 @@ namespace osu.Game.Rulesets.Osu.Tests
                     new Vector2(52, -34)
                 }, 700),
                 RepeatCount = repeats,
-                NodeSamples = createEmptySamples(repeats),
                 StackHeight = 10
             };
 
@@ -159,7 +234,6 @@ namespace osu.Game.Rulesets.Osu.Tests
                     new Vector2(distance, 0),
                 }, distance),
                 RepeatCount = repeats,
-                NodeSamples = createEmptySamples(repeats),
                 StackHeight = stackHeight
             };
 
@@ -179,7 +253,6 @@ namespace osu.Game.Rulesets.Osu.Tests
                     new Vector2(400, 0)
                 }, 600),
                 RepeatCount = repeats,
-                NodeSamples = createEmptySamples(repeats)
             };
 
             return createDrawable(slider, 2, 3);
@@ -203,7 +276,6 @@ namespace osu.Game.Rulesets.Osu.Tests
                     new Vector2(430, 0)
                 }),
                 RepeatCount = repeats,
-                NodeSamples = createEmptySamples(repeats)
             };
 
             return createDrawable(slider, 2, 3);
@@ -226,7 +298,6 @@ namespace osu.Game.Rulesets.Osu.Tests
                     new Vector2(430, 0)
                 }),
                 RepeatCount = repeats,
-                NodeSamples = createEmptySamples(repeats)
             };
 
             return createDrawable(slider, 2, 3);
@@ -250,7 +321,6 @@ namespace osu.Game.Rulesets.Osu.Tests
                     new Vector2(0, -200)
                 }),
                 RepeatCount = repeats,
-                NodeSamples = createEmptySamples(repeats)
             };
 
             return createDrawable(slider, 2, 3);
@@ -260,7 +330,7 @@ namespace osu.Game.Rulesets.Osu.Tests
 
         private Drawable createCatmull(int repeats = 0)
         {
-            var repeatSamples = new List<List<HitSampleInfo>>();
+            var repeatSamples = new List<IList<HitSampleInfo>>();
             for (int i = 0; i < repeats; i++)
                 repeatSamples.Add(new List<HitSampleInfo>());
 
@@ -282,18 +352,10 @@ namespace osu.Game.Rulesets.Osu.Tests
             return createDrawable(slider, 3, 1);
         }
 
-        private List<List<HitSampleInfo>> createEmptySamples(int repeats)
-        {
-            var repeatSamples = new List<List<HitSampleInfo>>();
-            for (int i = 0; i < repeats; i++)
-                repeatSamples.Add(new List<HitSampleInfo>());
-            return repeatSamples;
-        }
-
         private Drawable createDrawable(Slider slider, float circleSize, double speedMultiplier)
         {
             var cpi = new ControlPointInfo();
-            cpi.DifficultyPoints.Add(new DifficultyControlPoint { SpeedMultiplier = speedMultiplier });
+            cpi.Add(0, new DifficultyControlPoint { SpeedMultiplier = speedMultiplier });
 
             slider.ApplyDefaults(cpi, new BeatmapDifficulty { CircleSize = circleSize, SliderTickRate = 3 });
 

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

@@ -313,10 +313,6 @@ namespace osu.Game.Rulesets.Osu.Tests
                             }, 25),
                         }
                     },
-                    ControlPointInfo =
-                    {
-                        DifficultyPoints = { new DifficultyControlPoint { SpeedMultiplier = 0.1f } }
-                    },
                     BeatmapInfo =
                     {
                         BaseDifficulty = new BeatmapDifficulty { SliderTickRate = 3 },
@@ -324,6 +320,8 @@ namespace osu.Game.Rulesets.Osu.Tests
                     },
                 });
 
+                Beatmap.Value.Beatmap.ControlPointInfo.Add(0, new DifficultyControlPoint { SpeedMultiplier = 0.1f });
+
                 var p = new ScoreAccessibleReplayPlayer(new Score { Replay = new Replay { Frames = frames } });
 
                 p.OnLoadComplete += _ =>

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

@@ -16,6 +16,7 @@ using osu.Game.Rulesets.Osu.Objects;
 using osu.Game.Rulesets.Osu.Objects.Drawables;
 using osu.Game.Tests.Visual;
 using osuTK;
+using osuTK.Input;
 
 namespace osu.Game.Rulesets.Osu.Tests
 {
@@ -78,6 +79,100 @@ namespace osu.Game.Rulesets.Osu.Tests
             checkPositions();
         }
 
+        [Test]
+        public void TestStackedHitObject()
+        {
+            AddStep("set stacking", () => slider.StackHeight = 5);
+            checkPositions();
+        }
+
+        [Test]
+        public void TestSingleControlPointSelection()
+        {
+            moveMouseToControlPoint(0);
+            AddStep("click", () => InputManager.Click(MouseButton.Left));
+            checkControlPointSelected(0, true);
+            checkControlPointSelected(1, false);
+        }
+
+        [Test]
+        public void TestSingleControlPointDeselectionViaOtherControlPoint()
+        {
+            moveMouseToControlPoint(0);
+            AddStep("click", () => InputManager.Click(MouseButton.Left));
+
+            moveMouseToControlPoint(1);
+            AddStep("click", () => InputManager.Click(MouseButton.Left));
+            checkControlPointSelected(0, false);
+            checkControlPointSelected(1, true);
+        }
+
+        [Test]
+        public void TestSingleControlPointDeselectionViaClickOutside()
+        {
+            moveMouseToControlPoint(0);
+            AddStep("click", () => InputManager.Click(MouseButton.Left));
+
+            AddStep("move mouse outside control point", () => InputManager.MoveMouseTo(drawableObject));
+            AddStep("click", () => InputManager.Click(MouseButton.Left));
+            checkControlPointSelected(0, false);
+            checkControlPointSelected(1, false);
+        }
+
+        [Test]
+        public void TestMultipleControlPointSelection()
+        {
+            moveMouseToControlPoint(0);
+            AddStep("click", () => InputManager.Click(MouseButton.Left));
+            moveMouseToControlPoint(1);
+            AddStep("ctrl + click", () =>
+            {
+                InputManager.PressKey(Key.ControlLeft);
+                InputManager.Click(MouseButton.Left);
+                InputManager.ReleaseKey(Key.ControlLeft);
+            });
+            checkControlPointSelected(0, true);
+            checkControlPointSelected(1, true);
+        }
+
+        [Test]
+        public void TestMultipleControlPointDeselectionViaOtherControlPoint()
+        {
+            moveMouseToControlPoint(0);
+            AddStep("click", () => InputManager.Click(MouseButton.Left));
+            moveMouseToControlPoint(1);
+            AddStep("ctrl + click", () =>
+            {
+                InputManager.PressKey(Key.ControlLeft);
+                InputManager.Click(MouseButton.Left);
+                InputManager.ReleaseKey(Key.ControlLeft);
+            });
+
+            moveMouseToControlPoint(2);
+            AddStep("click", () => InputManager.Click(MouseButton.Left));
+            checkControlPointSelected(0, false);
+            checkControlPointSelected(1, false);
+        }
+
+        [Test]
+        public void TestMultipleControlPointDeselectionViaClickOutside()
+        {
+            moveMouseToControlPoint(0);
+            AddStep("click", () => InputManager.Click(MouseButton.Left));
+            moveMouseToControlPoint(1);
+            AddStep("ctrl + click", () =>
+            {
+                InputManager.PressKey(Key.ControlLeft);
+                InputManager.Click(MouseButton.Left);
+                InputManager.ReleaseKey(Key.ControlLeft);
+            });
+
+            AddStep("move mouse outside control point", () => InputManager.MoveMouseTo(drawableObject));
+            AddStep("click", () => InputManager.Click(MouseButton.Left));
+            checkControlPointSelected(0, false);
+            checkControlPointSelected(1, false);
+        }
+
         private void moveHitObject()
         {
             AddStep("move hitobject", () =>
@@ -88,7 +183,7 @@ namespace osu.Game.Rulesets.Osu.Tests
 
         private void checkPositions()
         {
-            AddAssert("body positioned correctly", () => blueprint.BodyPiece.Position == slider.Position);
+            AddAssert("body positioned correctly", () => blueprint.BodyPiece.Position == slider.StackedPosition);
 
             AddAssert("head positioned correctly",
                 () => Precision.AlmostEquals(blueprint.HeadBlueprint.CirclePiece.ScreenSpaceDrawQuad.Centre, drawableObject.HeadCircle.ScreenSpaceDrawQuad.Centre));
@@ -97,11 +192,24 @@ namespace osu.Game.Rulesets.Osu.Tests
                 () => Precision.AlmostEquals(blueprint.TailBlueprint.CirclePiece.ScreenSpaceDrawQuad.Centre, drawableObject.TailCircle.ScreenSpaceDrawQuad.Centre));
         }
 
+        private void moveMouseToControlPoint(int index)
+        {
+            AddStep($"move mouse to control point {index}", () =>
+            {
+                Vector2 position = slider.Position + slider.Path.ControlPoints[index];
+                InputManager.MoveMouseTo(drawableObject.Parent.ToScreenSpace(position));
+            });
+        }
+
+        private void checkControlPointSelected(int index, bool selected)
+            => AddAssert($"control point {index} {(selected ? "selected" : "not selected")}", () => blueprint.ControlPointVisualiser.Pieces[index].IsSelected.Value == selected);
+
         private class TestSliderBlueprint : SliderSelectionBlueprint
         {
             public new SliderBodyPiece BodyPiece => base.BodyPiece;
             public new TestSliderCircleBlueprint HeadBlueprint => (TestSliderCircleBlueprint)base.HeadBlueprint;
             public new TestSliderCircleBlueprint TailBlueprint => (TestSliderCircleBlueprint)base.TailBlueprint;
+            public new PathControlPointVisualiser ControlPointVisualiser => base.ControlPointVisualiser;
 
             public TestSliderBlueprint(DrawableSlider slider)
                 : base(slider)

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

@@ -2,7 +2,7 @@
   <Import Project="..\osu.TestProject.props" />
   <ItemGroup Label="Package References">
     <PackageReference Include="Appveyor.TestLogger" Version="2.0.0" />
-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="16.3.0" />
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="16.4.0" />
     <PackageReference Include="NUnit" Version="3.12.0" />
     <PackageReference Include="NUnit3TestAdapter" Version="3.15.1" />
     <PackageReference Update="Microsoft.EntityFrameworkCore.Sqlite" Version="2.1.4" />

osu.Game.Rulesets.Osu/Edit/Blueprints/Sliders/Components/PathControlPointPiece.cs

@@ -1,26 +1,37 @@
 // Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
 // See the LICENCE file in the repository root for full licence text.
 
+using System;
 using osu.Framework.Allocation;
+using osu.Framework.Bindables;
 using osu.Framework.Graphics;
 using osu.Framework.Graphics.Containers;
 using osu.Framework.Graphics.Lines;
 using osu.Framework.Graphics.Shapes;
 using osu.Framework.Input.Events;
 using osu.Game.Graphics;
-using osu.Game.Rulesets.Objects;
+using osu.Game.Rulesets.Edit;
 using osu.Game.Rulesets.Osu.Objects;
 using osuTK;
+using osuTK.Graphics;
 
 namespace osu.Game.Rulesets.Osu.Edit.Blueprints.Sliders.Components
 {
     public class PathControlPointPiece : BlueprintPiece<Slider>
     {
-        private readonly Slider slider;
-        private readonly int index;
+        public Action<int> RequestSelection;
+        public Action<Vector2[]> ControlPointsChanged;
 
+        public readonly BindableBool IsSelected = new BindableBool();
+        public readonly int Index;
+
+        private readonly Slider slider;
         private readonly Path path;
-        private readonly CircularContainer marker;
+        private readonly Container marker;
+        private readonly Drawable markerRing;
+
+        [Resolved(CanBeNull = true)]
+        private IDistanceSnapProvider snapProvider { get; set; }
 
         [Resolved]
         private OsuColour colours { get; set; }
@@ -28,7 +39,7 @@ namespace osu.Game.Rulesets.Osu.Edit.Blueprints.Sliders.Components
         public PathControlPointPiece(Slider slider, int index)
         {
             this.slider = slider;
-            this.index = index;
+            Index = index;
 
             Origin = Anchor.Centre;
             AutoSizeAxes = Axes.Both;
@@ -40,13 +51,36 @@ namespace osu.Game.Rulesets.Osu.Edit.Blueprints.Sliders.Components
                     Anchor = Anchor.Centre,
                     PathRadius = 1
                 },
-                marker = new CircularContainer
+                marker = new Container
                 {
                     Anchor = Anchor.Centre,
                     Origin = Anchor.Centre,
-                    Size = new Vector2(10),
-                    Masking = true,
-                    Child = new Box { RelativeSizeAxes = Axes.Both }
+                    AutoSizeAxes = Axes.Both,
+                    Children = new[]
+                    {
+                        new Circle
+                        {
+                            Anchor = Anchor.Centre,
+                            Origin = Anchor.Centre,
+                            Size = new Vector2(10),
+                        },
+                        markerRing = new CircularContainer
+                        {
+                            Anchor = Anchor.Centre,
+                            Origin = Anchor.Centre,
+                            Size = new Vector2(14),
+                            Masking = true,
+                            BorderThickness = 2,
+                            BorderColour = Color4.White,
+                            Alpha = 0,
+                            Child = new Box
+                            {
+                                RelativeSizeAxes = Axes.Both,
+                                Alpha = 0,
+                                AlwaysPresent = true
+                            }
+                        }
+                    }
                 }
             };
         }
@@ -55,48 +89,88 @@ namespace osu.Game.Rulesets.Osu.Edit.Blueprints.Sliders.Components
         {
             base.Update();
 
-            Position = slider.StackedPosition + slider.Path.ControlPoints[index];
+            Position = slider.StackedPosition + slider.Path.ControlPoints[Index];
 
-            marker.Colour = isSegmentSeparator ? colours.Red : colours.Yellow;
+            updateMarkerDisplay();
+            updateConnectingPath();
+        }
 
+        /// <summary>
+        /// Updates the state of the circular control point marker.
+        /// </summary>
+        private void updateMarkerDisplay()
+        {
+            markerRing.Alpha = IsSelected.Value ? 1 : 0;
+
+            Color4 colour = isSegmentSeparator ? colours.Red : colours.Yellow;
+            if (IsHovered || IsSelected.Value)
+                colour = Color4.White;
+            marker.Colour = colour;
+        }
+
+        /// <summary>
+        /// Updates the path connecting this control point to the previous one.
+        /// </summary>
+        private void updateConnectingPath()
+        {
             path.ClearVertices();
 
-            if (index != slider.Path.ControlPoints.Length - 1)
+            if (Index != slider.Path.ControlPoints.Length - 1)
             {
                 path.AddVertex(Vector2.Zero);
-                path.AddVertex(slider.Path.ControlPoints[index + 1] - slider.Path.ControlPoints[index]);
+                path.AddVertex(slider.Path.ControlPoints[Index + 1] - slider.Path.ControlPoints[Index]);
             }
 
             path.OriginPosition = path.PositionInBoundingBox(Vector2.Zero);
         }
 
+        // The connecting path is excluded from positional input
         public override bool ReceivePositionalInputAt(Vector2 screenSpacePos) => marker.ReceivePositionalInputAt(screenSpacePos);
 
+        protected override bool OnMouseDown(MouseDownEvent e)
+        {
+            if (RequestSelection != null)
+            {
+                RequestSelection.Invoke(Index);
+                return true;
+            }
+
+            return false;
+        }
+
+        protected override bool OnMouseUp(MouseUpEvent e) => RequestSelection != null;
+
+        protected override bool OnClick(ClickEvent e) => RequestSelection != null;
+
         protected override bool OnDragStart(DragStartEvent e) => true;
 
         protected override bool OnDrag(DragEvent e)
         {
             var newControlPoints = slider.Path.ControlPoints.ToArray();
 
-            if (index == 0)
+            if (Index == 0)
             {
-                // Special handling for the head - only the position of the slider changes
-                slider.Position += e.Delta;
+                // Special handling for the head control point - the position of the slider changes which means the snapped position and time have to be taken into account
+                (Vector2 snappedPosition, double snappedTime) = snapProvider?.GetSnappedPosition(e.MousePosition, slider.StartTime) ?? (e.MousePosition, slider.StartTime);
+                Vector2 movementDelta = snappedPosition - slider.Position;
+
+                slider.Position += movementDelta;
+                slider.StartTime = snappedTime;
 
                 // Since control points are relative to the position of the slider, they all need to be offset backwards by the delta
                 for (int i = 1; i < newControlPoints.Length; i++)
-                    newControlPoints[i] -= e.Delta;
+                    newControlPoints[i] -= movementDelta;
             }
             else
-                newControlPoints[index] += e.Delta;
+                newControlPoints[Index] += e.Delta;
 
             if (isSegmentSeparatorWithNext)
-                newControlPoints[index + 1] = newControlPoints[index];
+                newControlPoints[Index + 1] = newControlPoints[Index];
 
             if (isSegmentSeparatorWithPrevious)
-                newControlPoints[index - 1] = newControlPoints[index];
+                newControlPoints[Index - 1] = newControlPoints[Index];
 
-            slider.Path = new SliderPath(slider.Path.Type, newControlPoints);
+            ControlPointsChanged?.Invoke(newControlPoints);
 
             return true;
         }
@@ -105,8 +179,8 @@ namespace osu.Game.Rulesets.Osu.Edit.Blueprints.Sliders.Components
 
         private bool isSegmentSeparator => isSegmentSeparatorWithNext || isSegmentSeparatorWithPrevious;
 
-        private bool isSegmentSeparatorWithNext => index < slider.Path.ControlPoints.Length - 1 && slider.Path.ControlPoints[index + 1] == slider.Path.ControlPoints[index];
+        private bool isSegmentSeparatorWithNext => Index < slider.Path.ControlPoints.Length - 1 && slider.Path.ControlPoints[Index + 1] == slider.Path.ControlPoints[Index];
 
-        private bool isSegmentSeparatorWithPrevious => index > 0 && slider.Path.ControlPoints[index - 1] == slider.Path.ControlPoints[index];
+        private bool isSegmentSeparatorWithPrevious => Index > 0 && slider.Path.ControlPoints[Index - 1] == slider.Path.ControlPoints[Index];
     }
 }

osu.Game.Rulesets.Osu/Edit/Blueprints/Sliders/Components/PathControlPointVisualiser.cs

@@ -1,33 +1,133 @@
 // Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
 // See the LICENCE file in the repository root for full licence text.
 
+using System;
+using System.Collections.Generic;
+using osu.Framework.Allocation;
 using osu.Framework.Graphics;
 using osu.Framework.Graphics.Containers;
+using osu.Framework.Input;
+using osu.Framework.Input.Bindings;
+using osu.Framework.Input.Events;
 using osu.Game.Rulesets.Osu.Objects;
+using osu.Game.Screens.Edit.Compose;
+using osuTK;
 
 namespace osu.Game.Rulesets.Osu.Edit.Blueprints.Sliders.Components
 {
-    public class PathControlPointVisualiser : CompositeDrawable
+    public class PathControlPointVisualiser : CompositeDrawable, IKeyBindingHandler<PlatformAction>
     {
+        public Action<Vector2[]> ControlPointsChanged;
+
+        internal readonly Container<PathControlPointPiece> Pieces;
         private readonly Slider slider;
+        private readonly bool allowSelection;
 
-        private readonly Container<PathControlPointPiece> pieces;
+        private InputManager inputManager;
 
-        public PathControlPointVisualiser(Slider slider)
+        [Resolved(CanBeNull = true)]
+        private IPlacementHandler placementHandler { get; set; }
+
+        public PathControlPointVisualiser(Slider slider, bool allowSelection)
         {
             this.slider = slider;
+            this.allowSelection = allowSelection;
 
-            InternalChild = pieces = new Container<PathControlPointPiece> { RelativeSizeAxes = Axes.Both };
+            RelativeSizeAxes = Axes.Both;
+
+            InternalChild = Pieces = new Container<PathControlPointPiece> { RelativeSizeAxes = Axes.Both };
+        }
+
+        protected override void LoadComplete()
+        {
+            base.LoadComplete();
+
+            inputManager = GetContainingInputManager();
         }
 
         protected override void Update()
         {
             base.Update();
 
-            while (slider.Path.ControlPoints.Length > pieces.Count)
-                pieces.Add(new PathControlPointPiece(slider, pieces.Count));
-            while (slider.Path.ControlPoints.Length < pieces.Count)
-                pieces.Remove(pieces[pieces.Count - 1]);
+            while (slider.Path.ControlPoints.Length > Pieces.Count)
+            {
+                var piece = new PathControlPointPiece(slider, Pieces.Count)
+                {
+                    ControlPointsChanged = c => ControlPointsChanged?.Invoke(c),
+                };
+
+                if (allowSelection)
+                    piece.RequestSelection = selectPiece;
+
+                Pieces.Add(piece);
+            }
+
+            while (slider.Path.ControlPoints.Length < Pieces.Count)
+                Pieces.Remove(Pieces[Pieces.Count - 1]);
         }
+
+        protected override bool OnClick(ClickEvent e)
+        {
+            foreach (var piece in Pieces)
+                piece.IsSelected.Value = false;
+            return false;
+        }
+
+        private void selectPiece(int index)
+        {
+            if (inputManager.CurrentState.Keyboard.ControlPressed)
+                Pieces[index].IsSelected.Toggle();
+            else
+            {
+                foreach (var piece in Pieces)
+                    piece.IsSelected.Value = piece.Index == index;
+            }
+        }
+
+        public bool OnPressed(PlatformAction action)
+        {
+            switch (action.ActionMethod)
+            {
+                case PlatformActionMethod.Delete:
+                    var newControlPoints = new List<Vector2>();
+
+                    foreach (var piece in Pieces)
+                    {
+                        if (!piece.IsSelected.Value)
+                            newControlPoints.Add(slider.Path.ControlPoints[piece.Index]);
+                    }
+
+                    // Ensure that there are any points to be deleted
+                    if (newControlPoints.Count == slider.Path.ControlPoints.Length)
+                        return false;
+
+                    // If there are 0 remaining control points, treat the slider as being deleted
+                    if (newControlPoints.Count == 0)
+                    {
+                        placementHandler?.Delete(slider);
+                        return true;
+                    }
+
+                    // Make control points relative
+                    Vector2 first = newControlPoints[0];
+                    for (int i = 0; i < newControlPoints.Count; i++)
+                        newControlPoints[i] = newControlPoints[i] - first;
+
+                    // The slider's position defines the position of the first control point, and all further control points are relative to that point
+                    slider.Position = slider.Position + first;
+
+                    // Since pieces are re-used, they will not point to the deleted control points while remaining selected
+                    foreach (var piece in Pieces)
+                        piece.IsSelected.Value = false;
+
+                    ControlPointsChanged?.Invoke(newControlPoints.ToArray());
+
+                    return true;
+            }
+
+            return false;
+        }
+
+        public bool OnReleased(PlatformAction action) => action.ActionMethod == PlatformActionMethod.Delete;
     }
 }

osu.Game.Rulesets.Osu/Edit/Blueprints/Sliders/Components/SliderBodyPiece.cs

@@ -43,5 +43,7 @@ namespace osu.Game.Rulesets.Osu.Edit.Blueprints.Sliders.Components
             Size = body.Size;
             OriginPosition = body.PathOffset;
         }
+
+        public override bool ReceivePositionalInputAt(Vector2 screenSpacePos) => body.ReceivePositionalInputAt(screenSpacePos);
     }
 }

osu.Game.Rulesets.Osu/Edit/Blueprints/Sliders/SliderPlacementBlueprint.cs

@@ -6,6 +6,7 @@ using System.Linq;
 using osu.Framework.Allocation;
 using osu.Framework.Extensions.IEnumerableExtensions;
 using osu.Framework.Graphics;
+using osu.Framework.Input;
 using osu.Framework.Input.Events;
 using osu.Game.Graphics;
 using osu.Game.Rulesets.Edit;
@@ -28,9 +29,13 @@ namespace osu.Game.Rulesets.Osu.Edit.Blueprints.Sliders
 
         private readonly List<Segment> segments = new List<Segment>();
         private Vector2 cursor;
+        private InputManager inputManager;
 
         private PlacementState state;
 
+        [Resolved(CanBeNull = true)]
+        private HitObjectComposer composer { get; set; }
+
         public SliderPlacementBlueprint()
             : base(new Objects.Slider())
         {
@@ -46,12 +51,18 @@ namespace osu.Game.Rulesets.Osu.Edit.Blueprints.Sliders
                 bodyPiece = new SliderBodyPiece(),
                 headCirclePiece = new HitCirclePiece(),
                 tailCirclePiece = new HitCirclePiece(),
-                new PathControlPointVisualiser(HitObject),
+                new PathControlPointVisualiser(HitObject, false) { ControlPointsChanged = _ => updateSlider() },
             };
 
             setState(PlacementState.Initial);
         }
 
+        protected override void LoadComplete()
+        {
+            base.LoadComplete();
+            inputManager = GetContainingInputManager();
+        }
+
         public override void UpdatePosition(Vector2 screenSpacePosition)
         {
             switch (state)
@@ -61,7 +72,9 @@ namespace osu.Game.Rulesets.Osu.Edit.Blueprints.Sliders
                     break;
 
                 case PlacementState.Body:
-                    cursor = ToLocalSpace(screenSpacePosition) - HitObject.Position;
+                    // The given screen-space position may have been externally snapped, but the unsnapped position from the input manager
+                    // is used instead since snapping control points doesn't make much sense
+                    cursor = ToLocalSpace(inputManager.CurrentState.Mouse.Position) - HitObject.Position;
                     break;
             }
         }
@@ -121,8 +134,12 @@ namespace osu.Game.Rulesets.Osu.Edit.Blueprints.Sliders
 
         private void updateSlider()
         {
-            var newControlPoints = segments.SelectMany(s => s.ControlPoints).Concat(cursor.Yield()).ToArray();
-            HitObject.Path = new SliderPath(newControlPoints.Length > 2 ? PathType.Bezier : PathType.Linear, newControlPoints);
+            Vector2[] newControlPoints = segments.SelectMany(s => s.ControlPoints).Concat(cursor.Yield()).ToArray();
+
+            var unsnappedPath = new SliderPath(newControlPoints.Length > 2 ? PathType.Bezier : PathType.Linear, newControlPoints);
+            var snappedDistance = composer?.GetSnappedDistanceFromDistance(HitObject.StartTime, (float)unsnappedPath.Distance) ?? (float)unsnappedPath.Distance;
+
+            HitObject.Path = new SliderPath(unsnappedPath.Type, newControlPoints, snappedDistance);
 
             bodyPiece.UpdateFrom(HitObject);
             headCirclePiece.UpdateFrom(HitObject.HeadCircle);

osu.Game.Rulesets.Osu/Edit/Blueprints/Sliders/SliderSelectionBlueprint.cs

@@ -1,11 +1,22 @@
 // Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
 // See the LICENCE file in the repository root for full licence text.
 
+using System;
+using System.Diagnostics;
+using osu.Framework.Allocation;
 using osu.Framework.Graphics;
+using osu.Framework.Graphics.Primitives;
+using osu.Framework.Graphics.UserInterface;
+using osu.Framework.Input.Events;
+using osu.Game.Graphics.UserInterface;
+using osu.Game.Rulesets.Edit;
+using osu.Game.Rulesets.Objects;
+using osu.Game.Rulesets.Objects.Types;
 using osu.Game.Rulesets.Osu.Edit.Blueprints.Sliders.Components;
 using osu.Game.Rulesets.Osu.Objects;
 using osu.Game.Rulesets.Osu.Objects.Drawables;
 using osuTK;
+using osuTK.Input;
 
 namespace osu.Game.Rulesets.Osu.Edit.Blueprints.Sliders
 {
@@ -14,6 +25,10 @@ namespace osu.Game.Rulesets.Osu.Edit.Blueprints.Sliders
         protected readonly SliderBodyPiece BodyPiece;
         protected readonly SliderCircleSelectionBlueprint HeadBlueprint;
         protected readonly SliderCircleSelectionBlueprint TailBlueprint;
+        protected readonly PathControlPointVisualiser ControlPointVisualiser;
+
+        [Resolved(CanBeNull = true)]
+        private HitObjectComposer composer { get; set; }
 
         public SliderSelectionBlueprint(DrawableSlider slider)
             : base(slider)
@@ -25,7 +40,7 @@ namespace osu.Game.Rulesets.Osu.Edit.Blueprints.Sliders
                 BodyPiece = new SliderBodyPiece(),
                 HeadBlueprint = CreateCircleSelectionBlueprint(slider, SliderPosition.Start),
                 TailBlueprint = CreateCircleSelectionBlueprint(slider, SliderPosition.End),
-                new PathControlPointVisualiser(sliderObject),
+                ControlPointVisualiser = new PathControlPointVisualiser(sliderObject, true) { ControlPointsChanged = onNewControlPoints },
             };
         }
 
@@ -36,8 +51,97 @@ namespace osu.Game.Rulesets.Osu.Edit.Blueprints.Sliders
             BodyPiece.UpdateFrom(HitObject);
         }
 
+        private Vector2 rightClickPosition;
+
+        protected override bool OnMouseDown(MouseDownEvent e)
+        {
+            switch (e.Button)
+            {
+                case MouseButton.Right:
+                    rightClickPosition = e.MouseDownPosition;
+                    return false; // Allow right click to be handled by context menu
+
+                case MouseButton.Left when e.ControlPressed && IsSelected:
+                    placementControlPointIndex = addControlPoint(e.MousePosition);
+                    return true; // Stop input from being handled and modifying the selection
+            }
+
+            return false;
+        }
+
+        private int? placementControlPointIndex;
+
+        protected override bool OnDragStart(DragStartEvent e) => placementControlPointIndex != null;
+
+        protected override bool OnDrag(DragEvent e)
+        {
+            Debug.Assert(placementControlPointIndex != null);
+
+            Vector2 position = e.MousePosition - HitObject.Position;
+
+            var controlPoints = HitObject.Path.ControlPoints.ToArray();
+            controlPoints[placementControlPointIndex.Value] = position;
+
+            onNewControlPoints(controlPoints);
+
+            return true;
+        }
+
+        protected override bool OnDragEnd(DragEndEvent e)
+        {
+            placementControlPointIndex = null;
+            return true;
+        }
+
+        private int addControlPoint(Vector2 position)
+        {
+            position -= HitObject.Position;
+
+            var controlPoints = new Vector2[HitObject.Path.ControlPoints.Length + 1];
+            HitObject.Path.ControlPoints.CopyTo(controlPoints);
+
+            int insertionIndex = 0;
+            float minDistance = float.MaxValue;
+
+            for (int i = 0; i < controlPoints.Length - 2; i++)
+            {
+                float dist = new Line(controlPoints[i], controlPoints[i + 1]).DistanceToPoint(position);
+
+                if (dist < minDistance)
+                {
+                    insertionIndex = i + 1;
+                    minDistance = dist;
+                }
+            }
+
+            // Move the control points from the insertion index onwards to make room for the insertion
+            Array.Copy(controlPoints, insertionIndex, controlPoints, insertionIndex + 1, controlPoints.Length - insertionIndex - 1);
+            controlPoints[insertionIndex] = position;
+
+            onNewControlPoints(controlPoints);
+
+            return insertionIndex;
+        }
+
+        private void onNewControlPoints(Vector2[] controlPoints)
+        {
+            var unsnappedPath = new SliderPath(controlPoints.Length > 2 ? PathType.Bezier : PathType.Linear, controlPoints);
+            var snappedDistance = composer?.GetSnappedDistanceFromDistance(HitObject.StartTime, (float)unsnappedPath.Distance) ?? (float)unsnappedPath.Distance;
+
+            HitObject.Path = new SliderPath(unsnappedPath.Type, controlPoints, snappedDistance);
+
+            UpdateHitObject();
+        }
+
+        public override MenuItem[] ContextMenuItems => new MenuItem[]
+        {
+            new OsuMenuItem("Add control point", MenuItemType.Standard, () => addControlPoint(rightClickPosition)),
+        };
+
         public override Vector2 SelectionPoint => HeadBlueprint.SelectionPoint;
 
+        public override bool ReceivePositionalInputAt(Vector2 screenSpacePos) => BodyPiece.ReceivePositionalInputAt(screenSpacePos);
+
         protected virtual SliderCircleSelectionBlueprint CreateCircleSelectionBlueprint(DrawableSlider slider, SliderPosition position) => new SliderCircleSelectionBlueprint(slider, position);
     }
 }

osu.Game.Rulesets.Osu/Edit/DrawableOsuEditRuleset.cs

@@ -2,8 +2,12 @@
 // See the LICENCE file in the repository root for full licence text.
 
 using System.Collections.Generic;
+using System.Linq;
+using osu.Framework.Graphics;
 using osu.Game.Beatmaps;
 using osu.Game.Rulesets.Mods;
+using osu.Game.Rulesets.Objects.Drawables;
+using osu.Game.Rulesets.Osu.Objects;
 using osu.Game.Rulesets.Osu.UI;
 using osu.Game.Rulesets.UI;
 using osuTK;
@@ -12,11 +16,36 @@ namespace osu.Game.Rulesets.Osu.Edit
 {
     public class DrawableOsuEditRuleset : DrawableOsuRuleset
     {
+        /// <summary>
+        /// Hit objects are intentionally made to fade out at a constant slower rate than in gameplay.
+        /// This allows a mapper to gain better historical context and use recent hitobjects as reference / snap points.
+        /// </summary>
+        private const double editor_hit_object_fade_out_extension = 500;
+
         public DrawableOsuEditRuleset(Ruleset ruleset, IWorkingBeatmap beatmap, IReadOnlyList<Mod> mods)
             : base(ruleset, beatmap, mods)
         {
         }
 
+        public override DrawableHitObject<OsuHitObject> CreateDrawableRepresentation(OsuHitObject h)
+            => base.CreateDrawableRepresentation(h)?.With(d => d.ApplyCustomUpdateState += updateState);
+
+        private void updateState(DrawableHitObject hitObject, ArmedState state)
+        {
+            switch (state)
+            {
+                case ArmedState.Miss:
+                    // Get the existing fade out transform
+                    var existing = hitObject.Transforms.LastOrDefault(t => t.TargetMember == nameof(Alpha));
+                    if (existing == null)
+                        return;
+
+                    using (hitObject.BeginAbsoluteSequence(existing.StartTime))
+                        hitObject.FadeOut(editor_hit_object_fade_out_extension).Expire();
+                    break;
+            }
+        }
+
         protected override Playfield CreatePlayfield() => new OsuPlayfieldNoCursor();
 
         public override PlayfieldAdjustmentContainer CreatePlayfieldAdjustmentContainer() => new OsuPlayfieldAdjustmentContainer { Size = Vector2.One };

osu.Game.Rulesets.Osu/Edit/OsuDistanceSnapGrid.cs

@@ -1,8 +1,6 @@
 // Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
 // See the LICENCE file in the repository root for full licence text.
 
-using osu.Game.Beatmaps;
-using osu.Game.Beatmaps.ControlPoints;
 using osu.Game.Rulesets.Osu.Objects;
 using osu.Game.Screens.Edit.Compose.Components;
 
@@ -10,20 +8,10 @@ namespace osu.Game.Rulesets.Osu.Edit
 {
     public class OsuDistanceSnapGrid : CircularDistanceSnapGrid
     {
-        public OsuDistanceSnapGrid(OsuHitObject hitObject)
-            : base(hitObject, hitObject.StackedEndPosition)
+        public OsuDistanceSnapGrid(OsuHitObject hitObject, OsuHitObject nextHitObject)
+            : base(hitObject, nextHitObject, hitObject.StackedEndPosition)
         {
             Masking = true;
         }
-
-        protected override float GetVelocity(double time, ControlPointInfo controlPointInfo, BeatmapDifficulty difficulty)
-        {
-            TimingControlPoint timingPoint = controlPointInfo.TimingPointAt(time);
-            DifficultyControlPoint difficultyPoint = controlPointInfo.DifficultyPointAt(time);
-
-            double scoringDistance = OsuHitObject.BASE_SCORING_DISTANCE * difficulty.SliderMultiplier * difficultyPoint.SpeedMultiplier;
-
-            return (float)(scoringDistance / timingPoint.BeatLength);
-        }
     }
 }

osu.Game.Rulesets.Osu/Edit/OsuHitObjectComposer.cs

@@ -1,6 +1,7 @@
 // Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
 // See the LICENCE file in the repository root for full licence text.
 
+using System;
 using System.Collections.Generic;
 using System.Linq;
 using osu.Game.Beatmaps;
@@ -60,25 +61,40 @@ namespace osu.Game.Rulesets.Osu.Edit
             var objects = selectedHitObjects.ToList();
 
             if (objects.Count == 0)
+                return createGrid(h => h.StartTime <= EditorClock.CurrentTime);
+
+            double minTime = objects.Min(h => h.StartTime);
+            return createGrid(h => h.StartTime < minTime, objects.Count + 1);
+        }
+
+        /// <summary>
+        /// Creates a grid from the last <see cref="HitObject"/> matching a predicate to a target <see cref="HitObject"/>.
+        /// </summary>
+        /// <param name="sourceSelector">A predicate that matches <see cref="HitObject"/>s where the grid can start from.
+        /// Only the last <see cref="HitObject"/> matching the predicate is used.</param>
+        /// <param name="targetOffset">An offset from the <see cref="HitObject"/> selected via <paramref name="sourceSelector"/> at which the grid should stop.</param>
+        /// <returns>The <see cref="OsuDistanceSnapGrid"/> from a selected <see cref="HitObject"/> to a target <see cref="HitObject"/>.</returns>
+        private OsuDistanceSnapGrid createGrid(Func<HitObject, bool> sourceSelector, int targetOffset = 1)
+        {
+            if (targetOffset < 1) throw new ArgumentOutOfRangeException(nameof(targetOffset));
+
+            int sourceIndex = -1;
+
+            for (int i = 0; i < EditorBeatmap.HitObjects.Count; i++)
             {
-                var lastObject = EditorBeatmap.HitObjects.LastOrDefault(h => h.StartTime <= EditorClock.CurrentTime);
+                if (!sourceSelector(EditorBeatmap.HitObjects[i]))
+                    break;
 
-                if (lastObject == null)
-                    return null;
-
-                return new OsuDistanceSnapGrid(lastObject);
+                sourceIndex = i;
             }
-            else
-            {
-                double minTime = objects.Min(h => h.StartTime);
 
-                var lastObject = EditorBeatmap.HitObjects.LastOrDefault(h => h.StartTime < minTime);
+            if (sourceIndex == -1)
+                return null;
 
-                if (lastObject == null)
-                    return null;
+            OsuHitObject sourceObject = EditorBeatmap.HitObjects[sourceIndex];
+            OsuHitObject targetObject = sourceIndex + targetOffset < EditorBeatmap.HitObjects.Count ? EditorBeatmap.HitObjects[sourceIndex + targetOffset] : null;
 
-                return new OsuDistanceSnapGrid(lastObject);
-            }
+            return new OsuDistanceSnapGrid(sourceObject, targetObject);
         }
     }
 }

osu.Game.Rulesets.Osu/Edit/OsuSelectionHandler.cs

@@ -4,13 +4,34 @@
 using System.Linq;
 using osu.Game.Rulesets.Osu.Objects;
 using osu.Game.Screens.Edit.Compose.Components;
+using osuTK;
 
 namespace osu.Game.Rulesets.Osu.Edit
 {
     public class OsuSelectionHandler : SelectionHandler
     {
-        public override void HandleMovement(MoveSelectionEvent moveEvent)
+        public override bool HandleMovement(MoveSelectionEvent moveEvent)
         {
+            Vector2 minPosition = new Vector2(float.MaxValue, float.MaxValue);
+            Vector2 maxPosition = new Vector2(float.MinValue, float.MinValue);
+
+            // Go through all hitobjects to make sure they would remain in the bounds of the editor after movement, before any movement is attempted
+            foreach (var h in SelectedHitObjects.OfType<OsuHitObject>())
+            {
+                if (h is Spinner)
+                {
+                    // Spinners don't support position adjustments
+                    continue;
+                }
+
+                // Stacking is not considered
+                minPosition = Vector2.ComponentMin(minPosition, Vector2.ComponentMin(h.EndPosition + moveEvent.InstantDelta, h.Position + moveEvent.InstantDelta));
+                maxPosition = Vector2.ComponentMax(maxPosition, Vector2.ComponentMax(h.EndPosition + moveEvent.InstantDelta, h.Position + moveEvent.InstantDelta));
+            }
+
+            if (minPosition.X < 0 || minPosition.Y < 0 || maxPosition.X > DrawWidth || maxPosition.Y > DrawHeight)
+                return false;
+
             foreach (var h in SelectedHitObjects.OfType<OsuHitObject>())
             {
                 if (h is Spinner)
@@ -22,7 +43,7 @@ namespace osu.Game.Rulesets.Osu.Edit
                 h.Position += moveEvent.InstantDelta;
             }
 
-            base.HandleMovement(moveEvent);
+            return true;
         }
     }
 }

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

@@ -55,8 +55,10 @@ namespace osu.Game.Rulesets.Osu.Mods
             }
 
             for (int i = 0; i < amountWiggles; i++)
+            {
                 using (drawable.BeginAbsoluteSequence(osuObject.StartTime - osuObject.TimePreempt + i * wiggle_duration, true))
                     wiggle();
+            }
 
             // Keep wiggling sliders and spinners for their duration
             if (!(osuObject is IHasEndTime endTime))
@@ -65,8 +67,10 @@ namespace osu.Game.Rulesets.Osu.Mods
             amountWiggles = (int)(endTime.Duration / wiggle_duration);
 
             for (int i = 0; i < amountWiggles; i++)
+            {
                 using (drawable.BeginAbsoluteSequence(osuObject.StartTime + i * wiggle_duration, true))
                     wiggle();
+            }
         }
     }
 }

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

@@ -1,21 +0,0 @@
-// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
-// See the LICENCE file in the repository root for full licence text.
-
-using osu.Framework.Graphics.Containers;
-using osu.Game.Rulesets.Objects;
-using System.Collections.Generic;
-
-namespace osu.Game.Rulesets.Osu.Objects.Drawables.Connections
-{
-    /// <summary>
-    /// Connects hit objects visually, for example with follow points.
-    /// </summary>
-    public abstract class ConnectionRenderer<T> : LifetimeManagementContainer
-        where T : HitObject
-    {
-        /// <summary>
-        /// Hit objects to create connections for
-        /// </summary>
-        public abstract IEnumerable<T> HitObjects { get; set; }
-    }
-}

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

@@ -12,6 +12,9 @@ using osu.Game.Skinning;
 
 namespace osu.Game.Rulesets.Osu.Objects.Drawables.Connections
 {
+    /// <summary>
+    /// A single follow point positioned between two adjacent <see cref="DrawableOsuHitObject"/>s.
+    /// </summary>
     public class FollowPoint : Container
     {
         private const float width = 8;

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

@@ -0,0 +1,140 @@
+// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
+// See the LICENCE file in the repository root for full licence text.
+
+using System;
+using JetBrains.Annotations;
+using osu.Framework.Bindables;
+using osu.Framework.Graphics;
+using osu.Framework.Graphics.Containers;
+using osu.Game.Rulesets.Objects.Types;
+using osuTK;
+
+namespace osu.Game.Rulesets.Osu.Objects.Drawables.Connections
+{
+    /// <summary>
+    /// Visualises the <see cref="FollowPoint"/>s between two <see cref="DrawableOsuHitObject"/>s.
+    /// </summary>
+    public class FollowPointConnection : CompositeDrawable
+    {
+        // Todo: These shouldn't be constants
+        private const int spacing = 32;
+        private const double preempt = 800;
+
+        /// <summary>
+        /// The start time of <see cref="Start"/>.
+        /// </summary>
+        public readonly Bindable<double> StartTime = new Bindable<double>();
+
+        /// <summary>
+        /// The <see cref="DrawableOsuHitObject"/> which <see cref="FollowPoint"/>s will exit from.
+        /// </summary>
+        [NotNull]
+        public readonly DrawableOsuHitObject Start;
+
+        /// <summary>
+        /// Creates a new <see cref="FollowPointConnection"/>.
+        /// </summary>
+        /// <param name="start">The <see cref="DrawableOsuHitObject"/> which <see cref="FollowPoint"/>s will exit from.</param>
+        public FollowPointConnection([NotNull] DrawableOsuHitObject start)
+        {
+            Start = start;
+
+            RelativeSizeAxes = Axes.Both;
+
+            StartTime.BindTo(Start.HitObject.StartTimeBindable);
+        }
+
+        protected override void LoadComplete()
+        {
+            base.LoadComplete();
+            bindEvents(Start);
+        }
+
+        private DrawableOsuHitObject end;
+
+        /// <summary>
+        /// The <see cref="DrawableOsuHitObject"/> which <see cref="FollowPoint"/>s will enter.
+        /// </summary>
+        [CanBeNull]
+        public DrawableOsuHitObject End
+        {
+            get => end;
+            set
+            {
+                end = value;
+
+                if (end != null)
+                    bindEvents(end);
+
+                if (IsLoaded)
+                    scheduleRefresh();
+                else
+                    refresh();
+            }
+        }
+
+        private void bindEvents(DrawableOsuHitObject drawableObject)
+        {
+            drawableObject.HitObject.PositionBindable.BindValueChanged(_ => scheduleRefresh());
+            drawableObject.HitObject.DefaultsApplied += scheduleRefresh;
+        }
+
+        private void scheduleRefresh() => Scheduler.AddOnce(refresh);
+
+        private void refresh()
+        {
+            ClearInternal();
+
+            if (End == null)
+                return;
+
+            OsuHitObject osuStart = Start.HitObject;
+            OsuHitObject osuEnd = End.HitObject;
+
+            if (osuEnd.NewCombo)
+                return;
+
+            if (osuStart is Spinner || osuEnd is Spinner)
+                return;
+
+            Vector2 startPosition = osuStart.EndPosition;
+            Vector2 endPosition = osuEnd.Position;
+            double startTime = (osuStart as IHasEndTime)?.EndTime ?? osuStart.StartTime;
+            double endTime = osuEnd.StartTime;
+
+            Vector2 distanceVector = endPosition - startPosition;
+            int distance = (int)distanceVector.Length;
+            float rotation = (float)(Math.Atan2(distanceVector.Y, distanceVector.X) * (180 / Math.PI));
+            double duration = endTime - startTime;
+
+            for (int d = (int)(spacing * 1.5); d < distance - spacing; d += spacing)
+            {
+                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;
+
+                FollowPoint fp;
+
+                AddInternal(fp = new FollowPoint
+                {
+                    Position = pointStartPosition,
+                    Rotation = rotation,
+                    Alpha = 0,
+                    Scale = new Vector2(1.5f * osuEnd.Scale),
+                });
+
+                using (fp.BeginAbsoluteSequence(fadeInTime))
+                {
+                    fp.FadeIn(osuEnd.TimeFadeIn);
+                    fp.ScaleTo(osuEnd.Scale, osuEnd.TimeFadeIn, Easing.Out);
+                    fp.MoveTo(pointEndPosition, osuEnd.TimeFadeIn, Easing.Out);
+                    fp.Delay(fadeOutTime - fadeInTime).FadeOut(osuEnd.TimeFadeIn);
+                }
+
+                fp.Expire(true);
+            }
+        }
+    }
+}

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

@@ -1,121 +1,110 @@
 // Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
 // See the LICENCE file in the repository root for full licence text.
 
-using System;
 using System.Collections.Generic;
-using osuTK;
+using System.Linq;
+using osu.Framework.Extensions;
 using osu.Framework.Graphics;
-using osu.Game.Rulesets.Objects.Types;
+using osu.Framework.Graphics.Containers;
 
 namespace osu.Game.Rulesets.Osu.Objects.Drawables.Connections
 {
-    public class FollowPointRenderer : ConnectionRenderer<OsuHitObject>
+    /// <summary>
+    /// Visualises connections between <see cref="DrawableOsuHitObject"/>s.
+    /// </summary>
+    public class FollowPointRenderer : CompositeDrawable
     {
-        private int pointDistance = 32;
-
         /// <summary>
-        /// Determines how much space there is between points.
+        /// All the <see cref="FollowPointConnection"/>s contained by this <see cref="FollowPointRenderer"/>.
         /// </summary>
-        public int PointDistance
-        {
-            get => pointDistance;
-            set
-            {
-                if (pointDistance == value) return;
+        internal IReadOnlyList<FollowPointConnection> Connections => connections;
 
-                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 => preEmpt;
-            set
-            {
-                if (preEmpt == value) return;
-
-                preEmpt = value;
-                update();
-            }
-        }
-
-        private IEnumerable<OsuHitObject> hitObjects;
-
-        public override IEnumerable<OsuHitObject> HitObjects
-        {
-            get => hitObjects;
-            set
-            {
-                hitObjects = value;
-                update();
-            }
-        }
+        private readonly List<FollowPointConnection> connections = new List<FollowPointConnection>();
 
         public override bool RemoveCompletedTransforms => false;
 
-        private void update()
+        /// <summary>
+        /// Adds the <see cref="FollowPoint"/>s around a <see cref="DrawableOsuHitObject"/>.
+        /// This includes <see cref="FollowPoint"/>s leading into <paramref name="hitObject"/>, and <see cref="FollowPoint"/>s exiting <paramref name="hitObject"/>.
+        /// </summary>
+        /// <param name="hitObject">The <see cref="DrawableOsuHitObject"/> to add <see cref="FollowPoint"/>s for.</param>
+        public void AddFollowPoints(DrawableOsuHitObject hitObject)
+            => addConnection(new FollowPointConnection(hitObject).With(g => g.StartTime.BindValueChanged(_ => onStartTimeChanged(g))));
+
+        /// <summary>
+        /// Removes the <see cref="FollowPoint"/>s around a <see cref="DrawableOsuHitObject"/>.
+        /// This includes <see cref="FollowPoint"/>s leading into <paramref name="hitObject"/>, and <see cref="FollowPoint"/>s exiting <paramref name="hitObject"/>.
+        /// </summary>
+        /// <param name="hitObject">The <see cref="DrawableOsuHitObject"/> to remove <see cref="FollowPoint"/>s for.</param>
+        public void RemoveFollowPoints(DrawableOsuHitObject hitObject) => removeGroup(connections.Single(g => g.Start == hitObject));
+
+        /// <summary>
+        /// Adds a <see cref="FollowPointConnection"/> to this <see cref="FollowPointRenderer"/>.
+        /// </summary>
+        /// <param name="connection">The <see cref="FollowPointConnection"/> to add.</param>
+        /// <returns>The index of <paramref name="connection"/> in <see cref="connections"/>.</returns>
+        private void addConnection(FollowPointConnection connection)
         {
-            ClearInternal();
+            AddInternal(connection);
 
-            if (hitObjects == null)
-                return;
+            // Groups are sorted by their start time when added such that the index can be used to post-process other surrounding connections
+            int index = connections.AddInPlace(connection, Comparer<FollowPointConnection>.Create((g1, g2) => g1.StartTime.Value.CompareTo(g2.StartTime.Value)));
 
-            OsuHitObject prevHitObject = null;
-
-            foreach (var currHitObject in hitObjects)
+            if (index < connections.Count - 1)
             {
-                if (prevHitObject != null && !currHitObject.NewCombo && !(prevHitObject is Spinner) && !(currHitObject is Spinner))
-                {
-                    Vector2 startPosition = prevHitObject.EndPosition;
-                    Vector2 endPosition = currHitObject.Position;
-                    double startTime = (prevHitObject as IHasEndTime)?.EndTime ?? prevHitObject.StartTime;
-                    double endTime = currHitObject.StartTime;
+                // Update the connection's end point to the next connection's start point
+                //     h1 -> -> -> h2
+                //    connection    nextGroup
 
-                    Vector2 distanceVector = endPosition - startPosition;
-                    int distance = (int)distanceVector.Length;
-                    float rotation = (float)(Math.Atan2(distanceVector.Y, distanceVector.X) * (180 / Math.PI));
-                    double duration = endTime - startTime;
-
-                    for (int d = (int)(PointDistance * 1.5); d < distance - PointDistance; d += PointDistance)
-                    {
-                        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;
-
-                        FollowPoint fp;
-
-                        AddInternal(fp = new FollowPoint
-                        {
-                            Position = pointStartPosition,
-                            Rotation = rotation,
-                            Alpha = 0,
-                            Scale = new Vector2(1.5f * currHitObject.Scale),
-                        });
-
-                        using (fp.BeginAbsoluteSequence(fadeInTime))
-                        {
-                            fp.FadeIn(currHitObject.TimeFadeIn);
-                            fp.ScaleTo(currHitObject.Scale, currHitObject.TimeFadeIn, Easing.Out);
-
-                            fp.MoveTo(pointEndPosition, currHitObject.TimeFadeIn, Easing.Out);
-
-                            fp.Delay(fadeOutTime - fadeInTime).FadeOut(currHitObject.TimeFadeIn);
-                        }
-
-                        fp.Expire(true);
-                    }
-                }
-
-                prevHitObject = currHitObject;
+                FollowPointConnection nextConnection = connections[index + 1];
+                connection.End = nextConnection.Start;
             }
+            else
+            {
+                // The end point may be non-null during re-ordering
+                connection.End = null;
+            }
+
+            if (index > 0)
+            {
+                // Update the previous connection's end point to the current connection's start point
+                //     h1 -> -> -> h2
+                //  prevGroup    connection
+
+                FollowPointConnection previousConnection = connections[index - 1];
+                previousConnection.End = connection.Start;
+            }
+        }
+
+        /// <summary>
+        /// Removes a <see cref="FollowPointConnection"/> from this <see cref="FollowPointRenderer"/>.
+        /// </summary>
+        /// <param name="connection">The <see cref="FollowPointConnection"/> to remove.</param>
+        /// <returns>Whether <paramref name="connection"/> was removed.</returns>
+        private void removeGroup(FollowPointConnection connection)
+        {
+            RemoveInternal(connection);
+
+            int index = connections.IndexOf(connection);
+
+            if (index > 0)
+            {
+                // Update the previous connection's end point to the next connection's start point
+                //     h1 -> -> -> h2 -> -> -> h3
+                //  prevGroup    connection       nextGroup
+                // The current connection's end point is used since there may not be a next connection
+                FollowPointConnection previousConnection = connections[index - 1];
+                previousConnection.End = connection.End;
+            }
+
+            connections.Remove(connection);
+        }
+
+        private void onStartTimeChanged(FollowPointConnection connection)
+        {
+            // Naive but can be improved if performance becomes an issue
+            removeGroup(connection);
+            addConnection(connection);
         }
     }
 }

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

@@ -34,6 +34,7 @@ namespace osu.Game.Rulesets.Osu.Objects.Drawables
         private readonly Slider slider;
 
         private readonly IBindable<Vector2> positionBindable = new Bindable<Vector2>();
+        private readonly IBindable<int> stackHeightBindable = new Bindable<int>();
         private readonly IBindable<float> scaleBindable = new Bindable<float>();
         private readonly IBindable<SliderPath> pathBindable = new Bindable<SliderPath>();
 
@@ -72,6 +73,7 @@ namespace osu.Game.Rulesets.Osu.Objects.Drawables
             config?.BindWith(OsuRulesetSetting.SnakingOutSliders, Body.SnakingOut);
 
             positionBindable.BindValueChanged(_ => Position = HitObject.StackedPosition);
+            stackHeightBindable.BindValueChanged(_ => Position = HitObject.StackedPosition);
             scaleBindable.BindValueChanged(scale =>
             {
                 updatePathRadius();
@@ -79,6 +81,7 @@ namespace osu.Game.Rulesets.Osu.Objects.Drawables
             });
 
             positionBindable.BindTo(HitObject.PositionBindable);
+            stackHeightBindable.BindTo(HitObject.StackHeightBindable);
             scaleBindable.BindTo(HitObject.ScaleBindable);
             pathBindable.BindTo(slider.PathBindable);
 

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

@@ -7,7 +7,6 @@ using osu.Framework.Graphics.Containers;
 using osu.Framework.Graphics.Effects;
 using osu.Game.Graphics.Sprites;
 using osuTK.Graphics;
-using osu.Framework.Graphics.Shapes;
 using osu.Game.Graphics;
 using osu.Game.Skinning;
 
@@ -30,17 +29,15 @@ namespace osu.Game.Rulesets.Osu.Objects.Drawables.Pieces
 
             Children = new Drawable[]
             {
-                new CircularContainer
+                new Container
                 {
                     Masking = true,
-                    Origin = Anchor.Centre,
                     EdgeEffect = new EdgeEffectParameters
                     {
                         Type = EdgeEffectType.Glow,
                         Radius = 60,
                         Colour = Color4.White.Opacity(0.5f),
                     },
-                    Child = new Box()
                 },
                 number = new SkinnableSpriteText(new OsuSkinComponent(OsuSkinComponents.HitCircleText), _ => new OsuSpriteText
                 {

osu.Game.Rulesets.Osu/Objects/OsuHitObject.cs

@@ -1,6 +1,7 @@
 // Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
 // See the LICENCE file in the repository root for full licence text.
 
+using System.Linq;
 using osu.Framework.Bindables;
 using osu.Game.Beatmaps;
 using osu.Game.Rulesets.Objects;
@@ -98,6 +99,15 @@ namespace osu.Game.Rulesets.Osu.Objects
             set => LastInComboBindable.Value = value;
         }
 
+        protected OsuHitObject()
+        {
+            StackHeightBindable.BindValueChanged(height =>
+            {
+                foreach (var nested in NestedHitObjects.OfType<OsuHitObject>())
+                    nested.StackHeight = height.NewValue;
+            });
+        }
+
         protected override void ApplyDefaultsToSelf(ControlPointInfo controlPointInfo, BeatmapDifficulty difficulty)
         {
             base.ApplyDefaultsToSelf(controlPointInfo, difficulty);

osu.Game.Rulesets.Osu/Objects/Slider.cs

@@ -37,6 +37,8 @@ namespace osu.Game.Rulesets.Osu.Objects
             {
                 PathBindable.Value = value;
                 endPositionCache.Invalidate();
+
+                updateNestedPositions();
             }
         }
 
@@ -48,14 +50,9 @@ namespace osu.Game.Rulesets.Osu.Objects
             set
             {
                 base.Position = value;
-
                 endPositionCache.Invalidate();
 
-                if (HeadCircle != null)
-                    HeadCircle.Position = value;
-
-                if (TailCircle != null)
-                    TailCircle.Position = EndPosition;
+                updateNestedPositions();
             }
         }
 
@@ -73,7 +70,7 @@ namespace osu.Game.Rulesets.Osu.Objects
         /// </summary>
         internal float LazyTravelDistance;
 
-        public List<List<HitSampleInfo>> NodeSamples { get; set; } = new List<List<HitSampleInfo>>();
+        public List<IList<HitSampleInfo>> NodeSamples { get; set; } = new List<IList<HitSampleInfo>>();
 
         private int repeatCount;
 
@@ -111,6 +108,12 @@ namespace osu.Game.Rulesets.Osu.Objects
         public HitCircle HeadCircle;
         public SliderTailCircle TailCircle;
 
+        public Slider()
+        {
+            SamplesBindable.ItemsAdded += _ => updateNestedSamples();
+            SamplesBindable.ItemsRemoved += _ => updateNestedSamples();
+        }
+
         protected override void ApplyDefaultsToSelf(ControlPointInfo controlPointInfo, BeatmapDifficulty difficulty)
         {
             base.ApplyDefaultsToSelf(controlPointInfo, difficulty);
@@ -131,18 +134,6 @@ namespace osu.Game.Rulesets.Osu.Objects
             foreach (var e in
                 SliderEventGenerator.Generate(StartTime, SpanDuration, Velocity, TickDistance, Path.Distance, this.SpanCount(), LegacyLastTickOffset))
             {
-                var firstSample = Samples.Find(s => s.Name == HitSampleInfo.HIT_NORMAL)
-                                  ?? Samples.FirstOrDefault(); // TODO: remove this when guaranteed sort is present for samples (https://github.com/ppy/osu/issues/1933)
-                var sampleList = new List<HitSampleInfo>();
-
-                if (firstSample != null)
-                    sampleList.Add(new HitSampleInfo
-                    {
-                        Bank = firstSample.Bank,
-                        Volume = firstSample.Volume,
-                        Name = @"slidertick",
-                    });
-
                 switch (e.Type)
                 {
                     case SliderEventType.Tick:
@@ -154,7 +145,6 @@ namespace osu.Game.Rulesets.Osu.Objects
                             Position = Position + Path.PositionAt(e.PathProgress),
                             StackHeight = StackHeight,
                             Scale = Scale,
-                            Samples = sampleList
                         });
                         break;
 
@@ -163,7 +153,7 @@ namespace osu.Game.Rulesets.Osu.Objects
                         {
                             StartTime = e.Time,
                             Position = Position,
-                            Samples = getNodeSamples(0),
+                            StackHeight = StackHeight,
                             SampleControlPoint = SampleControlPoint,
                         });
                         break;
@@ -176,6 +166,7 @@ namespace osu.Game.Rulesets.Osu.Objects
                         {
                             StartTime = e.Time,
                             Position = EndPosition,
+                            StackHeight = StackHeight
                         });
                         break;
 
@@ -188,14 +179,50 @@ namespace osu.Game.Rulesets.Osu.Objects
                             Position = Position + Path.PositionAt(e.PathProgress),
                             StackHeight = StackHeight,
                             Scale = Scale,
-                            Samples = getNodeSamples(e.SpanIndex + 1)
                         });
                         break;
                 }
             }
+
+            updateNestedSamples();
         }
 
-        private List<HitSampleInfo> getNodeSamples(int nodeIndex) =>
+        private void updateNestedPositions()
+        {
+            if (HeadCircle != null)
+                HeadCircle.Position = Position;
+
+            if (TailCircle != null)
+                TailCircle.Position = EndPosition;
+        }
+
+        private void updateNestedSamples()
+        {
+            var firstSample = Samples.FirstOrDefault(s => s.Name == HitSampleInfo.HIT_NORMAL)
+                              ?? Samples.FirstOrDefault(); // TODO: remove this when guaranteed sort is present for samples (https://github.com/ppy/osu/issues/1933)
+            var sampleList = new List<HitSampleInfo>();
+
+            if (firstSample != null)
+            {
+                sampleList.Add(new HitSampleInfo
+                {
+                    Bank = firstSample.Bank,
+                    Volume = firstSample.Volume,
+                    Name = @"slidertick",
+                });
+            }
+
+            foreach (var tick in NestedHitObjects.OfType<SliderTick>())
+                tick.Samples = sampleList;
+
+            foreach (var repeat in NestedHitObjects.OfType<RepeatPoint>())
+                repeat.Samples = getNodeSamples(repeat.RepeatIndex + 1);
+
+            if (HeadCircle != null)
+                HeadCircle.Samples = getNodeSamples(0);
+        }
+
+        private IList<HitSampleInfo> getNodeSamples(int nodeIndex) =>
             nodeIndex < NodeSamples.Count ? NodeSamples[nodeIndex] : Samples;
 
         public override Judgement CreateJudgement() => new OsuJudgement();

osu.Game.Rulesets.Osu/Resources/Testing/Beatmaps/old-stacking-expected-conversion.json

@@ -143,14 +143,14 @@
             "Objects": [{
                 "StartTime": 34989,
                 "EndTime": 34989,
-                "X": 163,
-                "Y": 138
+                "X": 156.597382,
+                "Y": 131.597382
             },
                 {
                     "StartTime": 35018,
                     "EndTime": 35018,
-                    "X": 188,
-                    "Y": 138
+                    "X": 181.597382,
+                    "Y": 131.597382
                 }
             ]
         },
@@ -159,14 +159,14 @@
             "Objects": [{
                 "StartTime": 35106,
                 "EndTime": 35106,
-                "X": 163,
-                "Y": 138
+                "X": 159.798691,
+                "Y": 134.798691
             },
                 {
                     "StartTime": 35135,
                     "EndTime": 35135,
-                    "X": 188,
-                    "Y": 138
+                    "X": 184.798691,
+                    "Y": 134.798691
                 }
             ]
         },
@@ -191,20 +191,20 @@
             "Objects": [{
                 "StartTime": 35695,
                 "EndTime": 35695,
-                "X": 166,
-                "Y": 76
+                "X": 162.798691,
+                "Y": 72.79869
             },
                 {
                     "StartTime": 35871,
                     "EndTime": 35871,
-                    "X": 240.99855,
-                    "Y": 75.53417
+                    "X": 237.797241,
+                    "Y": 72.33286
                 },
                 {
                     "StartTime": 36011,
                     "EndTime": 36011,
-                    "X": 315.9971,
-                    "Y": 75.0683441
+                    "X": 312.795776,
+                    "Y": 71.8670349
                 }
             ]
         },
@@ -235,20 +235,20 @@
             "Objects": [{
                 "StartTime": 36518,
                 "EndTime": 36518,
-                "X": 166,
-                "Y": 76
+                "X": 169.201309,
+                "Y": 79.20131
             },
                 {
                     "StartTime": 36694,
                     "EndTime": 36694,
-                    "X": 240.99855,
-                    "Y": 75.53417
+                    "X": 244.19986,
+                    "Y": 78.73548
                 },
                 {
                     "StartTime": 36834,
                     "EndTime": 36834,
-                    "X": 315.9971,
-                    "Y": 75.0683441
+                    "X": 319.198425,
+                    "Y": 78.26965
                 }
             ]
         },
@@ -257,20 +257,20 @@
             "Objects": [{
                 "StartTime": 36929,
                 "EndTime": 36929,
-                "X": 315,
-                "Y": 75
+                "X": 324.603943,
+                "Y": 84.6039352
             },
                 {
                     "StartTime": 37105,
                     "EndTime": 37105,
-                    "X": 240.001526,
-                    "Y": 75.47769
+                    "X": 249.605469,
+                    "Y": 85.08163
                 },
                 {
                     "StartTime": 37245,
                     "EndTime": 37245,
-                    "X": 165.003052,
-                    "Y": 75.95539
+                    "X": 174.607,
+                    "Y": 85.5593262
                 }
             ]
         }

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

@@ -9,7 +9,6 @@ using osu.Game.Rulesets.Osu.Objects;
 using osu.Game.Rulesets.Osu.Objects.Drawables;
 using osu.Game.Rulesets.Osu.Objects.Drawables.Connections;
 using osu.Game.Rulesets.UI;
-using System.Linq;
 using osu.Game.Rulesets.Judgements;
 using osu.Game.Rulesets.Osu.UI.Cursor;
 using osu.Game.Skinning;
@@ -20,7 +19,7 @@ namespace osu.Game.Rulesets.Osu.UI
     {
         private readonly ApproachCircleProxyContainer approachCircles;
         private readonly JudgementContainer<DrawableOsuJudgement> judgementLayer;
-        private readonly ConnectionRenderer<OsuHitObject> connectionLayer;
+        private readonly FollowPointRenderer followPoints;
 
         public static readonly Vector2 BASE_SIZE = new Vector2(512, 384);
 
@@ -30,7 +29,7 @@ namespace osu.Game.Rulesets.Osu.UI
         {
             InternalChildren = new Drawable[]
             {
-                connectionLayer = new FollowPointRenderer
+                followPoints = new FollowPointRenderer
                 {
                     RelativeSizeAxes = Axes.Both,
                     Depth = 2,
@@ -64,11 +63,18 @@ namespace osu.Game.Rulesets.Osu.UI
             };
 
             base.Add(h);
+
+            followPoints.AddFollowPoints((DrawableOsuHitObject)h);
         }
 
-        public override void PostProcess()
+        public override bool Remove(DrawableHitObject h)
         {
-            connectionLayer.HitObjects = HitObjectContainer.Objects.Select(d => d.HitObject).OfType<OsuHitObject>();
+            bool result = base.Remove(h);
+
+            if (result)
+                followPoints.RemoveFollowPoints((DrawableOsuHitObject)h);
+
+            return result;
         }
 
         private void onNewResult(DrawableHitObject judgedObject, JudgementResult result)

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

@@ -38,9 +38,10 @@ namespace osu.Game.Rulesets.Osu.UI
             });
         }
 
-        public override void Show()
+        protected override void PopIn()
         {
-            base.Show();
+            base.PopIn();
+
             GameplayCursor.ActiveCursor.Hide();
             cursorScaleContainer.MoveTo(GameplayCursor.ActiveCursor.Position);
             clickToResumeCursor.Appear();
@@ -55,13 +56,13 @@ namespace osu.Game.Rulesets.Osu.UI
             }
         }
 
-        public override void Hide()
+        protected override void PopOut()
         {
+            base.PopOut();
+
             localCursorContainer?.Expire();
             localCursorContainer = null;
-            GameplayCursor.ActiveCursor.Show();
-
-            base.Hide();
+            GameplayCursor?.ActiveCursor?.Show();
         }
 
         protected override bool OnHover(HoverEvent e) => true;

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

@@ -1,9 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
-  <Import Project="..\osu.Game.props" />
   <PropertyGroup Label="Project">
     <TargetFramework>netstandard2.0</TargetFramework>
     <OutputType>Library</OutputType>
-    <PlatformTarget>AnyCPU</PlatformTarget>
     <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
     <Description>click the circles. to the beat.</Description>
   </PropertyGroup>