DebugDrawing for DistanceJoints (#1703)

Adds ClientGameTiming with prediction and local/server time methods.

.github/CODEOWNERS

@@ -1,14 +1,7 @@
-# Lines starting with '#' are comments.
-# Each line is a file pattern followed by one or more owners.
+# Last match in file takes precedence.
 
-# These owners will be the default owners for everything in the repo.
-# * @defunkt
-* @Acruid @PJB3005 @Silvertorch5
+# Be they Fluent translations or Freemarker templates, I know them both!
+*.ftl @RemieRichards
 
-# Order is important. The last matching pattern has the most precedence.
-# So if a pull request only touches javascript files, only these owners
-# will be requested to review.
-# *.js    @octocat @github/js
-
-# You can also use email addresses if you prefer.
-# docs/*  docs@example.com
+# Ping for all PRs
+* @Acruid @PJB3005 @Silvertorch5

.github/workflows/codeql-analysis.yml

@@ -11,14 +11,14 @@
 #
 name: "CodeQL"
 
-on:
-  push:
-    branches: [ master ]
-  pull_request:
-    # The branches below must be a subset of the branches above
-    branches: [ master ]
-  schedule:
-    - cron: '30 18 * * 6'
+#on:
+#  push:
+#    branches: [ master ]
+#  pull_request:
+#    # The branches below must be a subset of the branches above
+#    branches: [ master ]
+#  schedule:
+#    - cron: '30 18 * * 6'
 
 jobs:
   analyze:
@@ -38,12 +38,12 @@ jobs:
       uses: actions/checkout@v2
       with:
         submodules: true
-        
+
     - name: Setup .NET Core
       uses: actions/setup-dotnet@v1
       with:
         dotnet-version: 5.0.100
-        
+
     - name: Build
       run: dotnet build
 

.gitmodules

@@ -4,6 +4,12 @@
 [submodule "Lidgren.Network"]
 	path = Lidgren.Network/Lidgren.Network
 	url = https://github.com/space-wizards/lidgren-network-gen3.git
+[submodule "XamlX"]
+	path = XamlX
+	url = https://github.com/space-wizards/XamlX
 [submodule "Robust.LoaderApi"]
 	path = Robust.LoaderApi
 	url = https://github.com/space-wizards/Robust.LoaderApi.git
+[submodule "ManagedHttpListener"]
+	path = ManagedHttpListener
+	url = https://github.com/space-wizards/ManagedHttpListener.git

MSBuild/Robust.Analyzers.targets

@@ -0,0 +1,5 @@
+<Project xmlns="http://schemas.microsoft.com/developer/msbuild/2003" ToolsVersion="12.0">
+  <ItemGroup>
+    <ProjectReference Include="$(MSBuildThisFileDirectory)\..\Robust.Analyzers\Robust.Analyzers.csproj" OutputItemType="Analyzer" ReferenceOutputAssembly="false"/>
+  </ItemGroup>
+</Project>

MSBuild/Robust.Engine.targets

@@ -1,2 +1,3 @@
 <Project xmlns="http://schemas.microsoft.com/developer/msbuild/2003" ToolsVersion="12.0">
+  <Import Project="Robust.Analyzers.targets" />
 </Project>

MSBuild/XamlIL.targets

@@ -0,0 +1,65 @@
+<Project xmlns="http://schemas.microsoft.com/developer/msbuild/2003" ToolsVersion="12.0">
+  <PropertyGroup>
+    <!-- Avoid MSBuild adding a None entry for XAML files because they'd show up TWICE in the project view. -->
+    <DefaultItemExcludes>**/*.xaml</DefaultItemExcludes>
+    <RobustUseExternalMSBuild>true</RobustUseExternalMSBuild>
+    <_RobustUseExternalMSBuild>$(RobustUseExternalMSBuild)</_RobustUseExternalMSBuild>
+    <_RobustUseExternalMSBuild Condition="'$(_RobustForceInternalMSBuild)' == 'true'">false</_RobustUseExternalMSBuild>
+  </PropertyGroup>
+  <ItemGroup>
+    <Compile Update="**\*.xaml.cs">
+      <DependentUpon>%(Filename)</DependentUpon>
+    </Compile>
+    <EmbeddedResource Include="**\*.xaml"/>
+    <AdditionalFiles Include="**\*.xaml"/>
+  </ItemGroup>
+
+  <ItemGroup>
+    <ProjectReference Include="$(MSBuildThisFileDirectory)\..\Robust.Client.NameGenerator\Robust.Client.NameGenerator.csproj" OutputItemType="Analyzer" ReferenceOutputAssembly="false"/>
+    <ProjectReference Include="$(MSBuildThisFileDirectory)\..\Robust.Client.Injectors\Robust.Client.Injectors.csproj" ReferenceOutputAssembly="false"/>
+  </ItemGroup>
+
+  <UsingTask
+    Condition="'$(_RobustUseExternalMSBuild)' != 'true' And $(DesignTimeBuild) != true"
+    TaskName="CompileRobustXamlTask"
+    AssemblyFile="$(MSBuildThisFileDirectory)\..\Robust.Client.Injectors\bin\$(Configuration)\netstandard2.0\Robust.Client.Injectors.dll"/>
+  <Target
+    Name="CompileRobustXaml"
+    Condition="Exists('@(IntermediateAssembly)')"
+    AfterTargets="AfterCompile"
+    Inputs="@(IntermediateAssembly);@(ReferencePathWithRefAssemblies)"
+    Outputs="$(IntermediateOutputPath)XAML/doot">
+    <PropertyGroup>
+      <RobustXamlReferencesTemporaryFilePath Condition="'$(RobustXamlReferencesTemporaryFilePath)' == ''">$(IntermediateOutputPath)XAML/references</RobustXamlReferencesTemporaryFilePath>
+      <RobustXamlOriginalCopyFilePath Condition="'$(RobustXamlOriginalCopyFilePath)' == ''">$(IntermediateOutputPath)XAML/original.dll</RobustXamlOriginalCopyFilePath>
+    </PropertyGroup>
+    <WriteLinesToFile
+      Condition="'$(_RobustForceInternalMSBuild)' != 'true'"
+      File="$(RobustXamlReferencesTemporaryFilePath)"
+      Lines="@(ReferencePathWithRefAssemblies)"
+      Overwrite="true"/>
+
+    <!--
+    UpdateBuildIndicator is done so that we can use MSBuild Inputs and Outputs on the target
+    to avoid unecessary execution of this target
+    Saves compile time if e.g. ONLY Robust.Client changes (Content.Client doesn't have to re-xaml).
+    -->
+    <CompileRobustXamlTask
+      Condition="'$(_RobustUseExternalMSBuild)' != 'true'"
+      AssemblyFile="@(IntermediateAssembly)"
+      ReferencesFilePath="$(RobustXamlReferencesTemporaryFilePath)"
+      OriginalCopyPath="$(RobustXamlOriginalCopyFilePath)"
+      ProjectDirectory="$(MSBuildProjectDirectory)"
+      AssemblyOriginatorKeyFile="$(AssemblyOriginatorKeyFile)"
+      SignAssembly="$(SignAssembly)"
+      DelaySign="$(DelaySign)"
+      UpdateBuildIndicator="$(IntermediateOutputPath)XAML/doot"/>
+
+    <PropertyGroup>
+      <DOTNET_HOST_PATH Condition="'$(DOTNET_HOST_PATH)' == ''">dotnet</DOTNET_HOST_PATH>
+    </PropertyGroup>
+    <Exec
+      Condition="'$(_RobustUseExternalMSBuild)' == 'true'"
+      Command="&quot;$(DOTNET_HOST_PATH)&quot; msbuild /nodereuse:false $(MSBuildProjectFile) /t:CompileRobustXaml /p:_RobustForceInternalMSBuild=true /p:Configuration=$(Configuration) /p:RuntimeIdentifier=$(RuntimeIdentifier) /p:TargetFramework=$(TargetFramework) /p:BuildProjectReferences=false"/>
+  </Target>
+</Project>

OpenToolkit.GraphicsLibraryFramework/GLFWNative.cs

@@ -17,6 +17,7 @@ namespace OpenToolkit.GraphicsLibraryFramework
             // On net472, we rely on Mono's DllMap for this. See the .dll.config file.
             NativeLibrary.SetDllImportResolver(typeof(GLFWNative).Assembly, (name, assembly, path) =>
             {
+                // Please keep in sync with what Robust.Shared/DllMapHelper.cs does.
                 if (name != "glfw3.dll")
                 {
                     return IntPtr.Zero;

Resources/EngineCredits/Libraries.yml

@@ -574,29 +574,22 @@
     OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
     SOFTWARE.
 
-- name: NGetText
+- name: Fluent.Net
   license: |
-    The MIT License (MIT)
+    blushingpenguin and Contributors
 
-    Copyright (c) 2012 Vitaly Zilnik
+    All rights reserved.
 
-    Permission is hereby granted, free of charge, to any person obtaining a copy
-    of this software and associated documentation files (the "Software"), to deal
-    in the Software without restriction, including without limitation the rights
-    to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
-    copies of the Software, and to permit persons to whom the Software is
-    furnished to do so, subject to the following conditions:
+    Licensed under the Apache License, Version 2.0 (the "License"); you may not use
+    this file except in compliance with the License. You may obtain a copy of the
+    License at
 
-    The above copyright notice and this permission notice shall be included in all
-    copies or substantial portions of the Software.
+        http://www.apache.org/licenses/LICENSE-2.0
 
-    THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-    IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-    FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
-    AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
-    LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
-    OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
-    SOFTWARE.
+    Unless required by applicable law or agreed to in writing, software distributed
+    under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
+    CONDITIONS OF ANY KIND, either express or implied. See the License for the
+    specific language governing permissions and limitations under the License.
 
 - name: NetSerializer
   license: |

Resources/Locale/en-US/ss14window.ftl

@@ -0,0 +1 @@
+ss14window-placeholder-title = Exemplary Window Title Here

Resources/Shaders/Internal/fov-lighting.swsl

@@ -28,5 +28,10 @@ void fragment()
 
     highp float occlusion = ChebyshevUpperBound(occlDist, ourDist);
 
+    if (occlusion >= 1.0)
+    {
+        discard;
+    }
+
     COLOR = vec4(0.0, 0.0, 0.0, 1.0 - occlusion);
 }

Resources/Textures/debugRotation.rsi/meta.json

@@ -0,0 +1,17 @@
+{
+    "version": 1,
+    "size": {
+        "x": 32,
+        "y": 32
+    },
+    "states": [{
+            "name": "direction1",
+            "directions": 1,
+            "delays": [[1.0]]
+        }, {
+            "name": "direction4",
+            "directions": 4,
+            "delays": [[1.0], [1.0], [1.0], [1.0]]
+        }
+    ]
+}

Robust.Analyzers/Diagnostics.cs

@@ -0,0 +1,10 @@
+using Microsoft.CodeAnalysis;
+
+namespace Robust.Generators
+{
+    public static class Diagnostics
+    {
+        public static SuppressionDescriptor MeansImplicitAssignment =>
+            new SuppressionDescriptor("RADC1000", "CS0649", "Marked as implicitly assigned.");
+    }
+}

Robust.Analyzers/ExplicitInterfaceAnalyzer.cs

@@ -0,0 +1,92 @@
+using System.Collections.Generic;
+using System.Collections.Immutable;
+using System.Diagnostics.CodeAnalysis;
+using System.Linq;
+using System.Threading;
+using System.Threading.Tasks;
+using Microsoft.CodeAnalysis;
+using Microsoft.CodeAnalysis.CodeActions;
+using Microsoft.CodeAnalysis.CodeFixes;
+using Microsoft.CodeAnalysis.CSharp;
+using Microsoft.CodeAnalysis.CSharp.Syntax;
+using Microsoft.CodeAnalysis.Diagnostics;
+using Document = Microsoft.CodeAnalysis.Document;
+
+namespace Robust.Analyzers
+{
+    [DiagnosticAnalyzer(LanguageNames.CSharp)]
+    public class ExplicitInterfaceAnalyzer : DiagnosticAnalyzer
+    {
+        public readonly SyntaxKind[] ExcludedModifiers =
+        {
+            SyntaxKind.VirtualKeyword,
+            SyntaxKind.AbstractKeyword,
+            SyntaxKind.OverrideKeyword
+        };
+
+        public const string DiagnosticId = "RA0000";
+
+        private const string Title = "No explicit interface specified";
+        private const string MessageFormat = "No explicit interface specified";
+        private const string Description = "Make sure to specify the interface in your method-declaration.";
+        private const string Category = "Usage";
+
+        [SuppressMessage("ReSharper", "RS2008")] private static readonly DiagnosticDescriptor Rule = new DiagnosticDescriptor(DiagnosticId, Title, MessageFormat, Category, DiagnosticSeverity.Warning, isEnabledByDefault: true, description: Description);
+
+        private const string RequiresExplicitImplementationAttributeMetadataName =
+            "Robust.Shared.Analyzers.RequiresExplicitImplementationAttribute";
+
+        public override ImmutableArray<DiagnosticDescriptor> SupportedDiagnostics => ImmutableArray.Create(Rule);
+
+        public override void Initialize(AnalysisContext context)
+        {
+            context.ConfigureGeneratedCodeAnalysis(GeneratedCodeAnalysisFlags.Analyze | GeneratedCodeAnalysisFlags.None);
+            context.EnableConcurrentExecution();
+            context.RegisterSyntaxNodeAction(AnalyzeNode, SyntaxKind.MethodDeclaration);
+            context.RegisterSyntaxNodeAction(AnalyzeNode, SyntaxKind.PropertyDeclaration);
+        }
+
+        private void AnalyzeNode(SyntaxNodeAnalysisContext context)
+        {
+            ISymbol symbol;
+            Location location;
+            switch (context.Node)
+            {
+                //we already have a explicit interface specified, no need to check further
+                case MethodDeclarationSyntax methodDecl when methodDecl.ExplicitInterfaceSpecifier != null || methodDecl.Modifiers.Any(m => ExcludedModifiers.Contains(m.Kind())):
+                    return;
+                case PropertyDeclarationSyntax propertyDecl when propertyDecl.ExplicitInterfaceSpecifier != null || propertyDecl.Modifiers.Any(m => ExcludedModifiers.Contains(m.Kind())):
+                    return;
+
+                case MethodDeclarationSyntax methodDecl:
+                    symbol = context.SemanticModel.GetDeclaredSymbol(methodDecl);
+                    location = methodDecl.Identifier.GetLocation();
+                    break;
+                case PropertyDeclarationSyntax propertyDecl:
+                    symbol = context.SemanticModel.GetDeclaredSymbol(propertyDecl);
+                    location = propertyDecl.Identifier.GetLocation();
+                    break;
+
+                default:
+                    return;
+            }
+
+            var attrSymbol = context.Compilation.GetTypeByMetadataName(RequiresExplicitImplementationAttributeMetadataName);
+
+            var isInterfaceMember = symbol?.ContainingType.AllInterfaces.Any(
+                i =>
+                    i.GetMembers().Any(m => SymbolEqualityComparer.Default.Equals(symbol, symbol.ContainingType.FindImplementationForInterfaceMember(m)))
+                    && i.GetAttributes().Any(a => SymbolEqualityComparer.Default.Equals(a.AttributeClass, attrSymbol))
+            ) ?? false;
+
+            if (isInterfaceMember)
+            {
+                //we do not have an explicit interface specified. bad!
+                var diagnostic = Diagnostic.Create(
+                    Rule,
+                    location);
+                context.ReportDiagnostic(diagnostic);
+            }
+        }
+    }
+}

Robust.Analyzers/MeansImplicitAssigmentSuppressor.cs

@@ -0,0 +1,42 @@
+using System;
+using System.Collections.Immutable;
+using System.Linq;
+using Microsoft.CodeAnalysis;
+using Microsoft.CodeAnalysis.Diagnostics;
+using Robust.Generators;
+
+namespace Robust.Analyzers
+{
+    [DiagnosticAnalyzer(LanguageNames.CSharp)]
+    public class MeansImplicitAssigmentSuppressor : DiagnosticSuppressor
+    {
+        const string MeansImplicitAssignmentAttribute = "Robust.Shared.MeansImplicitAssignmentAttribute";
+
+        public override void ReportSuppressions(SuppressionAnalysisContext context)
+        {
+            var implAttr = context.Compilation.GetTypeByMetadataName(MeansImplicitAssignmentAttribute);
+            foreach (var reportedDiagnostic in context.ReportedDiagnostics)
+            {
+                if(reportedDiagnostic.Id != Diagnostics.MeansImplicitAssignment.SuppressedDiagnosticId) continue;
+
+                var node = reportedDiagnostic.Location.SourceTree?.GetRoot(context.CancellationToken).FindNode(reportedDiagnostic.Location.SourceSpan);
+                if (node == null) continue;
+
+                var symbol = context.GetSemanticModel(reportedDiagnostic.Location.SourceTree).GetDeclaredSymbol(node);
+
+                if (symbol == null || !symbol.GetAttributes().Any(a =>
+                    a.AttributeClass?.GetAttributes().Any(attr =>
+                        SymbolEqualityComparer.Default.Equals(attr.AttributeClass, implAttr)) == true))
+                {
+                    continue;
+                }
+
+                context.ReportSuppression(Suppression.Create(
+                    Diagnostics.MeansImplicitAssignment,
+                    reportedDiagnostic));
+            }
+        }
+
+        public override ImmutableArray<SuppressionDescriptor> SupportedSuppressions => ImmutableArray.Create(Diagnostics.MeansImplicitAssignment);
+    }
+}

Robust.Analyzers/Robust.Analyzers.csproj

@@ -0,0 +1,13 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <TargetFramework>netstandard2.0</TargetFramework>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <PackageReference Include="Microsoft.CodeAnalysis.CSharp" Version="3.8.0" PrivateAssets="all" />
+    <PackageReference Include="Microsoft.CodeAnalysis.Analyzers" Version="3.3.2" PrivateAssets="all" />
+    <PackageReference Include="Microsoft.CodeAnalysis.Workspaces.Common" Version="3.8.0" />
+  </ItemGroup>
+
+</Project>

Robust.Analyzers/SerializableAnalyzer.cs

@@ -0,0 +1,150 @@
+using System.Collections.Generic;
+using System.Collections.Immutable;
+using System.Diagnostics.CodeAnalysis;
+using System.Linq;
+using System.Threading;
+using System.Threading.Tasks;
+using Microsoft.CodeAnalysis;
+using Microsoft.CodeAnalysis.CodeActions;
+using Microsoft.CodeAnalysis.CodeFixes;
+using Microsoft.CodeAnalysis.CSharp;
+using Microsoft.CodeAnalysis.CSharp.Syntax;
+using Microsoft.CodeAnalysis.Diagnostics;
+
+namespace Robust.Analyzers
+{
+    [DiagnosticAnalyzer(LanguageNames.CSharp)]
+    public class SerializableAnalyzer : DiagnosticAnalyzer
+    {
+        // Metadata of the analyzer
+        public const string DiagnosticId = "RA0001";
+
+        // You could use LocalizedString but it's a little more complicated for this sample
+        private const string Title = "Class not marked as (Net)Serializable";
+        private const string MessageFormat = "Class not marked as (Net)Serializable";
+        private const string Description = "The class should be marked as (Net)Serializable.";
+        private const string Category = "Usage";
+
+        private const string RequiresSerializableAttributeMetadataName = "Robust.Shared.Analyzers.RequiresSerializableAttribute";
+        private const string SerializableAttributeMetadataName = "System.SerializableAttribute";
+        private const string NetSerializableAttributeMetadataName = "Robust.Shared.Serialization.NetSerializableAttribute";
+
+        [SuppressMessage("ReSharper", "RS2008")] private static readonly DiagnosticDescriptor Rule = new DiagnosticDescriptor(DiagnosticId, Title, MessageFormat, Category, DiagnosticSeverity.Warning, isEnabledByDefault: true, description: Description);
+
+        public override ImmutableArray<DiagnosticDescriptor> SupportedDiagnostics => ImmutableArray.Create(Rule);
+
+        public override void Initialize(AnalysisContext context)
+        {
+            context.ConfigureGeneratedCodeAnalysis(GeneratedCodeAnalysisFlags.Analyze | GeneratedCodeAnalysisFlags.None);
+            context.EnableConcurrentExecution();
+            context.RegisterSyntaxNodeAction(AnalyzeNode, SyntaxKind.ClassDeclaration);
+        }
+
+        private bool Marked(INamedTypeSymbol namedTypeSymbol, INamedTypeSymbol attrSymbol)
+        {
+            if (namedTypeSymbol == null) return false;
+            if (namedTypeSymbol.GetAttributes()
+                .Any(a => SymbolEqualityComparer.Default.Equals(a.AttributeClass, attrSymbol))) return true;
+            return Marked(namedTypeSymbol.BaseType, attrSymbol);
+        }
+
+        private void AnalyzeNode(SyntaxNodeAnalysisContext context)
+        {
+            var attrSymbol = context.Compilation.GetTypeByMetadataName(RequiresSerializableAttributeMetadataName);
+            var classDecl = (ClassDeclarationSyntax) context.Node;
+            var classSymbol = context.SemanticModel.GetDeclaredSymbol(classDecl);
+            if (classSymbol == null) return;
+
+            if (Marked(classSymbol, attrSymbol))
+            {
+                var attributes = classSymbol.GetAttributes();
+                var serAttr = context.Compilation.GetTypeByMetadataName(SerializableAttributeMetadataName);
+                var netSerAttr = context.Compilation.GetTypeByMetadataName(NetSerializableAttributeMetadataName);
+
+                var hasSerAttr = attributes.Any(a => SymbolEqualityComparer.Default.Equals(a.AttributeClass, serAttr));
+                var hasNetSerAttr =
+                    attributes.Any(a => SymbolEqualityComparer.Default.Equals(a.AttributeClass, netSerAttr));
+
+                if (!hasSerAttr || !hasNetSerAttr)
+                {
+                    var requiredAttributes = new List<string>();
+                    if(!hasSerAttr) requiredAttributes.Add(SerializableAttributeMetadataName);
+                    if(!hasNetSerAttr) requiredAttributes.Add(NetSerializableAttributeMetadataName);
+
+                    context.ReportDiagnostic(
+                        Diagnostic.Create(
+                            Rule,
+                            classDecl.Identifier.GetLocation(),
+                            ImmutableDictionary.CreateRange(new Dictionary<string, string>()
+                            {
+                                {
+                                    "requiredAttributes", string.Join(",", requiredAttributes)
+                                }
+                            })));
+                }
+            }
+        }
+    }
+
+    [ExportCodeFixProvider(LanguageNames.CSharp)]
+    public class SerializableCodeFixProvider : CodeFixProvider
+    {
+        private const string Title = "Annotate class as (Net)Serializable.";
+
+        public override async Task RegisterCodeFixesAsync(CodeFixContext context)
+        {
+            var root = await context.Document.GetSyntaxRootAsync(context.CancellationToken);
+
+            foreach (var diagnostic in context.Diagnostics)
+            {
+                var span = diagnostic.Location.SourceSpan;
+                var classDecl = root.FindToken(span.Start).Parent.AncestorsAndSelf().OfType<ClassDeclarationSyntax>().First();
+
+                if(!diagnostic.Properties.TryGetValue("requiredAttributes", out var requiredAttributes)) return;
+
+                context.RegisterCodeFix(
+                    CodeAction.Create(
+                        Title,
+                        c => FixAsync(context.Document, classDecl, requiredAttributes, c),
+                        Title),
+                    diagnostic);
+            }
+        }
+
+        private async Task<Document> FixAsync(Document document, ClassDeclarationSyntax classDecl,
+            string requiredAttributes, CancellationToken cancellationToken)
+        {
+            var attributes = new List<AttributeSyntax>();
+            var namespaces = new List<string>();
+            foreach (var attribute in requiredAttributes.Split(','))
+            {
+                var tempSplit = attribute.Split('.');
+                namespaces.Add(string.Join(".",tempSplit.Take(tempSplit.Length-1)));
+                var @class = tempSplit.Last();
+                @class = @class.Substring(0, @class.Length - 9); //cut out "Attribute" at the end
+                attributes.Add(SyntaxFactory.Attribute(SyntaxFactory.ParseName(@class)));
+            }
+
+            var newClassDecl =
+                classDecl.AddAttributeLists(SyntaxFactory.AttributeList(SyntaxFactory.SeparatedList(attributes)));
+
+            var root = (CompilationUnitSyntax) await document.GetSyntaxRootAsync(cancellationToken);
+            root = root.ReplaceNode(classDecl, newClassDecl);
+
+            foreach (var ns in namespaces)
+            {
+                if(root.Usings.Any(u => u.Name.ToString() == ns)) continue;
+                root = root.AddUsings(SyntaxFactory.UsingDirective(SyntaxFactory.ParseName(ns)));
+            }
+            return document.WithSyntaxRoot(root);
+        }
+
+        public sealed override ImmutableArray<string> FixableDiagnosticIds => ImmutableArray.Create(SerializableAnalyzer.DiagnosticId);
+
+        public override FixAllProvider GetFixAllProvider()
+        {
+            return WellKnownFixAllProviders.BatchFixer;
+        }
+
+    }
+}

Robust.Benchmarks/Program.cs

@@ -0,0 +1,12 @@
+using BenchmarkDotNet.Running;
+
+namespace Robust.Benchmarks
+{
+    internal class Program
+    {
+        public static void Main(string[] args)
+        {
+            BenchmarkSwitcher.FromAssembly(typeof(Program).Assembly).Run();
+        }
+    }
+}

Robust.Benchmarks/Robust.Benchmarks.csproj

@@ -0,0 +1,18 @@
+<Project Sdk="Microsoft.NET.Sdk">
+    <Import Project="..\MSBuild\Robust.Properties.targets" />
+    <Import Project="..\MSBuild\Robust.Engine.props" />
+    <PropertyGroup>
+        <IsPackable>false</IsPackable>
+        <AppendTargetFrameworkToOutputPath>false</AppendTargetFrameworkToOutputPath>
+        <OutputPath>../bin/Benchmarks</OutputPath>
+        <OutputType>Exe</OutputType>
+    </PropertyGroup>
+    <ItemGroup>
+      <ProjectReference Include="..\Robust.Server\Robust.Server.csproj" />
+      <ProjectReference Include="..\Robust.Shared\Robust.Shared.csproj" />
+    </ItemGroup>
+    <ItemGroup>
+      <PackageReference Include="BenchmarkDotNet" Version="0.12.1" />
+    </ItemGroup>
+    <Import Project="..\MSBuild\Robust.Engine.targets" />
+</Project>

Robust.Benchmarks/Serialization/DataDefinitionWithString.cs

@@ -0,0 +1,11 @@
+using Robust.Shared.Serialization.Manager.Attributes;
+
+namespace Robust.Benchmarks.Serialization
+{
+    [DataDefinition]
+    public class DataDefinitionWithString
+    {
+        [field: DataField("string")]
+        private string StringField { get; } = default!;
+    }
+}

Robust.Benchmarks/Serialization/Read/SerializationReadBenchmark.cs

@@ -0,0 +1,83 @@
+using System;
+using System.IO;
+using BenchmarkDotNet.Attributes;
+using Robust.Server;
+using Robust.Shared.Configuration;
+using Robust.Shared.ContentPack;
+using Robust.Shared.IoC;
+using Robust.Shared.Reflection;
+using Robust.Shared.Serialization.Manager;
+using Robust.Shared.Serialization.Markdown;
+using YamlDotNet.RepresentationModel;
+
+namespace Robust.Benchmarks.Serialization.Read
+{
+    public class SerializationReadBenchmark
+    {
+        public SerializationReadBenchmark()
+        {
+            IoCManager.InitThread();
+            ServerIoC.RegisterIoC();
+            IoCManager.BuildGraph();
+
+            var assemblies = new[]
+            {
+                AppDomain.CurrentDomain.GetAssemblyByName("Robust.Shared"),
+                AppDomain.CurrentDomain.GetAssemblyByName("Robust.Server"),
+                AppDomain.CurrentDomain.GetAssemblyByName("Robust.Benchmarks")
+            };
+
+            foreach (var assembly in assemblies)
+            {
+                IoCManager.Resolve<IConfigurationManagerInternal>().LoadCVarsFromAssembly(assembly);
+            }
+
+            IoCManager.Resolve<IReflectionManager>().LoadAssemblies(assemblies);
+
+            SerializationManager = IoCManager.Resolve<ISerializationManager>();
+            SerializationManager.Initialize();
+
+            StringDataDefNode = new MappingDataNode();
+            StringDataDefNode.AddNode(new ValueDataNode("string"), new ValueDataNode("ABC"));
+
+            var yamlStream = new YamlStream();
+            yamlStream.Load(new StringReader(SeedDataDefinition.Prototype));
+
+            SeedNode = yamlStream.Documents[0].RootNode.ToDataNodeCast<SequenceDataNode>().Cast<MappingDataNode>(0);
+        }
+
+        private ISerializationManager SerializationManager { get; }
+
+        private ValueDataNode StringNode { get; } = new("ABC");
+
+        private ValueDataNode IntNode { get; } = new("1");
+
+        private MappingDataNode StringDataDefNode { get; }
+
+        private MappingDataNode SeedNode { get; }
+
+        [Benchmark]
+        public string? ReadString()
+        {
+            return SerializationManager.ReadValue<string>(StringNode);
+        }
+
+        [Benchmark]
+        public int? ReadInteger()
+        {
+            return SerializationManager.ReadValue<int>(IntNode);
+        }
+
+        [Benchmark]
+        public DataDefinitionWithString? ReadDataDefinitionWithString()
+        {
+            return SerializationManager.ReadValue<DataDefinitionWithString>(StringDataDefNode);
+        }
+
+        [Benchmark]
+        public SeedDataDefinition? ReadSeedDataDefinition()
+        {
+            return SerializationManager.ReadValue<SeedDataDefinition>(SeedNode);
+        }
+    }
+}

Robust.Benchmarks/Serialization/SeedDataDefinition.cs

@@ -0,0 +1,184 @@
+using System.Collections.Generic;
+using Robust.Shared.Maths;
+using Robust.Shared.Prototypes;
+using Robust.Shared.Serialization.Manager.Attributes;
+using Robust.Shared.Utility;
+using Robust.Shared.ViewVariables;
+
+namespace Robust.Benchmarks.Serialization
+{
+    [Prototype("seed")]
+    public class SeedDataDefinition : IPrototype
+    {
+        public const string Prototype = @"
+- type: seed
+  id: tobacco
+  name: tobacco
+  seedName: tobacco
+  displayName: tobacco plant
+  productPrototypes:
+    - LeavesTobacco
+  harvestRepeat: Repeat
+  lifespan: 75
+  maturation: 5
+  production: 5
+  yield: 2
+  potency: 20
+  growthStages: 3
+  idealLight: 9
+  idealHeat: 298
+  chemicals:
+    chem.Nicotine:
+      Min: 1
+      Max: 10
+      PotencyDivisor: 10";
+
+        private const string SeedPrototype = "SeedBase";
+
+        [ViewVariables]
+        [field: DataField("id", required: true)]
+        public string ID { get; private init; } = default!;
+
+        /// <summary>
+        ///     Unique identifier of this seed. Do NOT set this.
+        /// </summary>
+        public int Uid { get; internal set; } = -1;
+
+        #region Tracking
+
+        [ViewVariables] [DataField("name")] public string Name { get; set; } = string.Empty;
+        [ViewVariables] [DataField("seedName")] public string SeedName { get; set; } = string.Empty;
+
+        [ViewVariables]
+        [DataField("seedNoun")]
+        public string SeedNoun { get; set; } = "seeds";
+        [ViewVariables] [DataField("displayName")] public string DisplayName { get; set; } = string.Empty;
+
+        [ViewVariables]
+        [DataField("roundStart")]
+        public bool RoundStart { get; private set; } = true;
+        [ViewVariables] [DataField("mysterious")] public bool Mysterious { get; set; }
+        [ViewVariables] [DataField("immutable")] public bool Immutable { get; set; }
+        #endregion
+
+        #region Output
+
+        [ViewVariables]
+        [DataField("productPrototypes")]
+        public List<string> ProductPrototypes { get; set; } = new();
+
+        [ViewVariables]
+        [DataField("chemicals")]
+        public Dictionary<string, SeedChemQuantity> Chemicals { get; set; } = new();
+
+        [ViewVariables]
+        [DataField("consumeGasses")]
+        public Dictionary<Gas, float> ConsumeGasses { get; set; } = new();
+
+        [ViewVariables]
+        [DataField("exudeGasses")]
+        public Dictionary<Gas, float> ExudeGasses { get; set; } = new();
+        #endregion
+
+        #region Tolerances
+
+        [ViewVariables]
+        [DataField("nutrientConsumption")]
+        public float NutrientConsumption { get; set; } = 0.25f;
+
+        [ViewVariables] [DataField("waterConsumption")] public float WaterConsumption { get; set; } = 3f;
+        [ViewVariables] [DataField("idealHeat")] public float IdealHeat { get; set; } = 293f;
+        [ViewVariables] [DataField("heatTolerance")] public float HeatTolerance { get; set; } = 20f;
+        [ViewVariables] [DataField("idealLight")] public float IdealLight { get; set; } = 7f;
+        [ViewVariables] [DataField("lightTolerance")] public float LightTolerance { get; set; } = 5f;
+        [ViewVariables] [DataField("toxinsTolerance")] public float ToxinsTolerance { get; set; } = 4f;
+
+        [ViewVariables]
+        [DataField("lowPressureTolerance")]
+        public float LowPressureTolerance { get; set; } = 25f;
+
+        [ViewVariables]
+        [DataField("highPressureTolerance")]
+        public float HighPressureTolerance { get; set; } = 200f;
+
+        [ViewVariables]
+        [DataField("pestTolerance")]
+        public float PestTolerance { get; set; } = 5f;
+
+        [ViewVariables]
+        [DataField("weedTolerance")]
+        public float WeedTolerance { get; set; } = 5f;
+        #endregion
+
+        #region General traits
+
+        [ViewVariables]
+        [DataField("endurance")]
+        public float Endurance { get; set; } = 100f;
+        [ViewVariables] [DataField("yield")] public int Yield { get; set; }
+        [ViewVariables] [DataField("lifespan")] public float Lifespan { get; set; }
+        [ViewVariables] [DataField("maturation")] public float Maturation { get; set; }
+        [ViewVariables] [DataField("production")] public float Production { get; set; }
+        [ViewVariables] [DataField("growthStages")] public int GrowthStages { get; set; } = 6;
+        [ViewVariables] [DataField("harvestRepeat")] public HarvestType HarvestRepeat { get; set; } = HarvestType.NoRepeat;
+
+        [ViewVariables] [DataField("potency")] public float Potency { get; set; } = 1f;
+        // No, I'm not removing these.
+        //public PlantSpread Spread { get; set; }
+        //public PlantMutation Mutation { get; set; }
+        //public float AlterTemperature { get; set; }
+        //public PlantCarnivorous Carnivorous { get; set; }
+        //public bool Parasite { get; set; }
+        //public bool Hematophage { get; set; }
+        //public bool Thorny { get; set; }
+        //public bool Stinging { get; set; }
+        [DataField("ligneous")]
+        public bool Ligneous { get; set; }
+        // public bool Teleporting { get; set; }
+        // public PlantJuicy Juicy { get; set; }
+        #endregion
+
+        #region Cosmetics
+
+        [ViewVariables]
+        [DataField("plantRsi", required: true)]
+        public ResourcePath PlantRsi { get; set; } = default!;
+
+        [ViewVariables]
+        [DataField("plantIconState")]
+        public string PlantIconState { get; set; } = "produce";
+
+        [ViewVariables]
+        [DataField("bioluminescent")]
+        public bool Bioluminescent { get; set; }
+
+        [ViewVariables]
+        [DataField("bioluminescentColor")]
+        public Color BioluminescentColor { get; set; } = Color.White;
+
+        [ViewVariables]
+        [DataField("splatPrototype")]
+        public string? SplatPrototype { get; set; }
+
+        #endregion
+    }
+
+    public enum HarvestType
+    {
+        NoRepeat,
+        Repeat
+    }
+
+    public enum Gas {}
+
+    [DataDefinition]
+    public struct SeedChemQuantity
+    {
+        [DataField("Min")]
+        public int Min;
+        [DataField("Max")]
+        public int Max;
+        [DataField("PotencyDivisor")]
+        public int PotencyDivisor;
+    }
+}

Robust.Client.Injectors/CompileRobustXamlTask.cs

@@ -0,0 +1,101 @@
+using System;
+using System.Diagnostics;
+using System.IO;
+using System.Linq;
+using Microsoft.Build.Framework;
+
+namespace Robust.Build.Tasks
+{
+    /// <summary>
+    /// Based on https://github.com/AvaloniaUI/Avalonia/blob/c85fa2b9977d251a31886c2534613b4730fbaeaf/src/Avalonia.Build.Tasks/CompileAvaloniaXamlTask.cs
+    /// </summary>
+    public class CompileRobustXamlTask : ITask
+    {
+        public bool Execute()
+        {
+            //Debugger.Launch();
+            OutputPath = OutputPath ?? AssemblyFile;
+            var outputPdb = GetPdbPath(OutputPath);
+            var input = AssemblyFile;
+            var inputPdb = GetPdbPath(input);
+            // Make a copy and delete the original file to prevent MSBuild from thinking that everything is OK
+            if (OriginalCopyPath != null)
+            {
+                File.Copy(AssemblyFile, OriginalCopyPath, true);
+                input = OriginalCopyPath;
+                File.Delete(AssemblyFile);
+
+                if (File.Exists(inputPdb))
+                {
+                    var copyPdb = GetPdbPath(OriginalCopyPath);
+                    File.Copy(inputPdb, copyPdb, true);
+                    File.Delete(inputPdb);
+                    inputPdb = copyPdb;
+                }
+            }
+
+            var msg = $"CompileRobustXamlTask -> AssemblyFile:{AssemblyFile}, ProjectDirectory:{ProjectDirectory}, OutputPath:{OutputPath}";
+            BuildEngine.LogMessage(msg, MessageImportance.High);
+
+            var res = XamlCompiler.Compile(BuildEngine, input,
+                File.ReadAllLines(ReferencesFilePath).Where(l => !string.IsNullOrWhiteSpace(l)).ToArray(),
+                ProjectDirectory, OutputPath,
+                (SignAssembly && !DelaySign) ? AssemblyOriginatorKeyFile : null);
+            if (!res.success)
+                return false;
+            if (!res.writtentofile)
+            {
+                File.Copy(input, OutputPath, true);
+                if(File.Exists(inputPdb))
+                    File.Copy(inputPdb, outputPdb, true);
+            }
+
+            if (!string.IsNullOrEmpty(UpdateBuildIndicator))
+            {
+                if (!File.Exists(UpdateBuildIndicator))
+                {
+                    File.Create(UpdateBuildIndicator).Dispose();
+                }
+                else
+                {
+                    File.SetLastWriteTime(UpdateBuildIndicator, DateTime.Now);
+                }
+            }
+
+            return true;
+        }
+
+        [Required]
+        public string ReferencesFilePath { get; set; }
+
+        [Required]
+        public string ProjectDirectory { get; set; }
+
+        [Required]
+        public string AssemblyFile { get; set; }
+
+        [Required]
+        public string OriginalCopyPath { get; set; }
+
+        public string OutputPath { get; set; }
+        public string UpdateBuildIndicator { get; set; }
+
+        public string AssemblyOriginatorKeyFile { get; set; }
+        public bool SignAssembly { get; set; }
+        public bool DelaySign { get; set; }
+
+        // shamelessly copied from avalonia
+        string GetPdbPath(string p)
+        {
+            var d = Path.GetDirectoryName(p);
+            var f = Path.GetFileNameWithoutExtension(p);
+            var rv = f + ".pdb";
+            if (d != null)
+                rv = Path.Combine(d, rv);
+            return rv;
+        }
+
+        public IBuildEngine BuildEngine { get; set; }
+        public ITaskHost HostObject { get; set; }
+    }
+}

Robust.Client.Injectors/Extensions.cs

@@ -0,0 +1,16 @@
+using Microsoft.Build.Framework;
+
+namespace Robust.Build.Tasks
+{
+    /// <summary>
+    /// Taken from https://github.com/AvaloniaUI/Avalonia/blob/c85fa2b9977d251a31886c2534613b4730fbaeaf/src/Avalonia.Build.Tasks/Extensions.cs
+    /// </summary>
+    public static class Extensions
+    {
+        //shamefully copied from avalonia
+        public static void LogMessage(this IBuildEngine engine, string message, MessageImportance imp)
+        {
+            engine.LogMessageEvent(new BuildMessageEventArgs(message, "", "Avalonia", imp));
+        }
+    }
+}

Robust.Client.Injectors/MathParsing.cs

@@ -0,0 +1,37 @@
+using System.Linq;
+using Pidgin;
+using static Pidgin.Parser;
+
+
+namespace Robust.Build.Tasks
+{
+    public static class MathParsing
+    {
+        public static Parser<char, float> Single { get; } = Real.Select(c => (float) c);
+
+        public static Parser<char, float> Single1 { get; }
+            = Single.Between(SkipWhitespaces);
+
+        public static Parser<char, (float, float)> Single2 { get; }
+            = Single.Before(SkipWhitespaces).Repeat(2).Select(e =>
+            {
+                var arr = e.ToArray();
+                return (arr[0], arr[1]);
+            });
+
+        public static Parser<char, (float, float, float, float)> Single4 { get; }
+            = Single.Before(SkipWhitespaces).Repeat(4).Select(e =>
+            {
+                var arr = e.ToArray();
+                return (arr[0], arr[1], arr[2], arr[3]);
+            });
+
+        public static Parser<char, float[]> Thickness { get; }
+            = SkipWhitespaces.Then(
+                OneOf(
+                    Try(Single4.Select(c => new[] {c.Item1, c.Item2, c.Item3, c.Item4})),
+                    Try(Single2.Select(c => new[] {c.Item1, c.Item2})),
+                    Try(Single1.Select(c => new[] {c}))
+                ));
+    }
+}

Robust.Client.Injectors/Program.cs

@@ -0,0 +1,62 @@
+using System;
+using System.Collections;
+using System.IO;
+using Microsoft.Build.Framework;
+
+namespace Robust.Build.Tasks
+{
+    /// <summary>
+    /// Based on https://github.com/AvaloniaUI/Avalonia/blob/c85fa2b9977d251a31886c2534613b4730fbaeaf/src/Avalonia.Build.Tasks/Program.cs
+    /// </summary>
+    class Program
+    {
+        static int Main(string[] args)
+        {
+            if (args.Length != 3)
+            {
+                Console.Error.WriteLine("expected: input references output");
+                return 1;
+            }
+
+            return new CompileRobustXamlTask
+            {
+                AssemblyFile = args[0],
+                ReferencesFilePath = args[1],
+                OutputPath = args[2],
+                BuildEngine = new ConsoleBuildEngine(),
+                ProjectDirectory = Directory.GetCurrentDirectory()
+            }.Execute() ? 0 : 2;
+        }
+    }
+
+    class ConsoleBuildEngine : IBuildEngine
+    {
+        public void LogErrorEvent(BuildErrorEventArgs e)
+        {
+            Console.WriteLine($"ERROR: {e.Code} {e.Message} in {e.File} {e.LineNumber}:{e.ColumnNumber}-{e.EndLineNumber}:{e.EndColumnNumber}");
+        }
+
+        public void LogWarningEvent(BuildWarningEventArgs e)
+        {
+            Console.WriteLine($"WARNING: {e.Code} {e.Message} in {e.File} {e.LineNumber}:{e.ColumnNumber}-{e.EndLineNumber}:{e.EndColumnNumber}");
+        }
+
+        public void LogMessageEvent(BuildMessageEventArgs e)
+        {
+            Console.WriteLine($"MESSAGE: {e.Code} {e.Message} in {e.File} {e.LineNumber}:{e.ColumnNumber}-{e.EndLineNumber}:{e.EndColumnNumber}");
+        }
+
+        public void LogCustomEvent(CustomBuildEventArgs e)
+        {
+            Console.WriteLine($"CUSTOM: {e.Message}");
+        }
+
+        public bool BuildProjectFile(string projectFileName, string[] targetNames, IDictionary globalProperties,
+            IDictionary targetOutputs) => throw new NotSupportedException();
+
+        public bool ContinueOnError { get; }
+        public int LineNumberOfTaskNode { get; }
+        public int ColumnNumberOfTaskNode { get; }
+        public string ProjectFileOfTaskNode { get; }
+    }
+}

Robust.Client.Injectors/RXamlColorAstNode.cs

@@ -0,0 +1,32 @@
+using System.Reflection.Emit;
+using XamlX.Ast;
+using XamlX.Emit;
+using XamlX.IL;
+using XamlX.TypeSystem;
+
+namespace Robust.Build.Tasks
+{
+    internal class RXamlColorAstNode
+        : XamlAstNode, IXamlAstValueNode, IXamlAstILEmitableNode
+    {
+        private readonly IXamlMethod _method;
+        private readonly string _color;
+
+        public RXamlColorAstNode(IXamlLineInfo lineInfo, RXamlWellKnownTypes types, string color) : base(lineInfo)
+        {
+            _color = color;
+            Type = new XamlAstClrTypeReference(lineInfo, types.Color, false);
+            _method = types.ColorFromXaml;
+        }
+
+        public IXamlAstTypeReference Type { get; }
+
+        public XamlILNodeEmitResult Emit(XamlEmitContext<IXamlILEmitter, XamlILNodeEmitResult> context, IXamlILEmitter codeGen)
+        {
+            codeGen.Ldstr(_color);
+            codeGen.EmitCall(_method);
+
+            return XamlILNodeEmitResult.Type(0, Type.GetClrType());
+        }
+    }
+}

Robust.Client.Injectors/RXamlVecLikeConstAstNode.cs

@@ -0,0 +1,93 @@
+using System;
+using System.Linq;
+using System.Reflection.Emit;
+using XamlX.Ast;
+using XamlX.Emit;
+using XamlX.IL;
+using XamlX.TypeSystem;
+
+namespace Robust.Build.Tasks
+{
+    public abstract class RXamlVecLikeConstAstNode<T>
+        : XamlAstNode, IXamlAstValueNode, IXamlAstILEmitableNode
+        where T : unmanaged
+    {
+        private readonly IXamlConstructor _constructor;
+        protected readonly T[] Values;
+
+        public RXamlVecLikeConstAstNode(
+            IXamlLineInfo lineInfo,
+            IXamlType type, IXamlConstructor constructor,
+            IXamlType componentType, T[] values)
+            : base(lineInfo)
+        {
+            _constructor = constructor;
+            Values = values;
+
+            var @params = constructor.Parameters;
+
+            if (@params.Count != values.Length)
+                throw new ArgumentException("Invalid amount of parameters");
+
+            if (@params.Any(c => c != componentType))
+                throw new ArgumentException("Invalid constructor: not all parameters match component type");
+
+            Type = new XamlAstClrTypeReference(lineInfo, type, false);
+        }
+
+        public IXamlAstTypeReference Type { get; }
+
+        public virtual XamlILNodeEmitResult Emit(
+            XamlEmitContext<IXamlILEmitter, XamlILNodeEmitResult> context,
+            IXamlILEmitter codeGen)
+        {
+            codeGen.Newobj(_constructor);
+
+            return XamlILNodeEmitResult.Type(0, Type.GetClrType());
+        }
+    }
+
+    public sealed class RXamlSingleVecLikeConstAstNode : RXamlVecLikeConstAstNode<float>
+    {
+        public RXamlSingleVecLikeConstAstNode(
+            IXamlLineInfo lineInfo,
+            IXamlType type, IXamlConstructor constructor,
+            IXamlType componentType, float[] values)
+            : base(lineInfo, type, constructor, componentType, values)
+        {
+        }
+
+        public override XamlILNodeEmitResult Emit(XamlEmitContext<IXamlILEmitter, XamlILNodeEmitResult> context,
+            IXamlILEmitter codeGen)
+        {
+            foreach (var value in Values)
+            {
+                codeGen.Emit(OpCodes.Ldc_R4, value);
+            }
+
+            return base.Emit(context, codeGen);
+        }
+    }
+
+    public sealed class RXamlInt32VecLikeConstAstNode : RXamlVecLikeConstAstNode<int>
+    {
+        public RXamlInt32VecLikeConstAstNode(
+            IXamlLineInfo lineInfo,
+            IXamlType type, IXamlConstructor constructor,
+            IXamlType componentType, int[] values)
+            : base(lineInfo, type, constructor, componentType, values)
+        {
+        }
+
+        public override XamlILNodeEmitResult Emit(XamlEmitContext<IXamlILEmitter, XamlILNodeEmitResult> context,
+            IXamlILEmitter codeGen)
+        {
+            foreach (var value in Values)
+            {
+                codeGen.Emit(OpCodes.Ldc_I4, value);
+            }
+
+            return base.Emit(context, codeGen);
+        }
+    }
+}

Robust.Client.Injectors/RXamlWellKnownTypes.cs

@@ -0,0 +1,58 @@
+using System.Linq;
+using XamlX.Transform;
+using XamlX.TypeSystem;
+
+namespace Robust.Build.Tasks
+{
+    class RXamlWellKnownTypes
+    {
+        public XamlTypeWellKnownTypes XamlIlTypes { get; }
+        public IXamlType Single { get; }
+        public IXamlType Int32 { get; }
+        public IXamlType Vector2 { get; }
+        public IXamlConstructor Vector2ConstructorFull { get; }
+        public IXamlType Vector2i { get; }
+        public IXamlConstructor Vector2iConstructorFull { get; }
+        public IXamlType Thickness { get; }
+        public IXamlConstructor ThicknessConstructorFull { get; }
+        public IXamlType Color { get; }
+        public IXamlMethod ColorFromXaml { get; }
+
+        public RXamlWellKnownTypes(TransformerConfiguration cfg)
+        {
+            var ts = cfg.TypeSystem;
+            XamlIlTypes = cfg.WellKnownTypes;
+            Single = ts.GetType("System.Single");
+            Int32 = ts.GetType("System.Int32");
+
+            (Vector2, Vector2ConstructorFull) = GetNumericTypeInfo("Robust.Shared.Maths.Vector2", Single, 2);
+            (Vector2i, Vector2iConstructorFull) = GetNumericTypeInfo("Robust.Shared.Maths.Vector2i", Int32, 2);
+            (Thickness, ThicknessConstructorFull) = GetNumericTypeInfo("Robust.Shared.Maths.Thickness", Single, 4);
+
+            (IXamlType, IXamlConstructor) GetNumericTypeInfo(string name, IXamlType componentType, int componentCount)
+            {
+                var type = cfg.TypeSystem.GetType(name);
+                var ctor = type.GetConstructor(Enumerable.Repeat(componentType, componentCount).ToList());
+
+                return (type, ctor);
+            }
+
+            Color = cfg.TypeSystem.GetType("Robust.Shared.Maths.Color");
+            ColorFromXaml = Color.GetMethod(new FindMethodMethodSignature("FromXaml", Color, XamlIlTypes.String)
+            {
+                IsStatic = true
+            });
+        }
+    }
+
+    static class RXamlWellKnownTypesExtensions
+    {
+        public static RXamlWellKnownTypes GetRobustTypes(this AstTransformationContext ctx)
+        {
+            if (ctx.TryGetItem<RXamlWellKnownTypes>(out var rv))
+                return rv;
+            ctx.SetItem(rv = new RXamlWellKnownTypes(ctx.Configuration));
+            return rv;
+        }
+    }
+}

Robust.Client.Injectors/Robust.Client.Injectors.csproj

@@ -0,0 +1,17 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+    <PropertyGroup>
+        <TargetFramework>netstandard2.0</TargetFramework>
+        <CopyLocalLockFileAssemblies>true</CopyLocalLockFileAssemblies>
+    </PropertyGroup>
+
+    <ItemGroup>
+      <PackageReference Include="Microsoft.Build.Framework" Version="16.8.0" />
+      <PackageReference Include="Mono.Cecil" Version="0.11.3" />
+      <PackageReference Include="Pidgin" Version="2.5.0" />
+    </ItemGroup>
+
+    <ItemGroup>
+      <ProjectReference Include="..\XamlX\src\XamlX.IL.Cecil\XamlX.IL.Cecil.csproj" />
+    </ItemGroup>
+</Project>

Robust.Client.Injectors/RobustXamlILCompiler.cs

@@ -0,0 +1,201 @@
+using System.Linq;
+using XamlX.Ast;
+using XamlX.Emit;
+using XamlX.IL;
+using XamlX.Transform;
+using XamlX.TypeSystem;
+
+namespace Robust.Build.Tasks
+{
+    /// <summary>
+    /// Emitters & Transformers based on:
+    /// - https://github.com/AvaloniaUI/Avalonia/blob/c85fa2b9977d251a31886c2534613b4730fbaeaf/src/Markup/Avalonia.Markup.Xaml.Loader/CompilerExtensions/Transformers/AvaloniaXamlIlRootObjectScopeTransformer.cs
+    /// - https://github.com/AvaloniaUI/Avalonia/blob/c85fa2b9977d251a31886c2534613b4730fbaeaf/src/Markup/Avalonia.Markup.Xaml.Loader/CompilerExtensions/Transformers/AddNameScopeRegistration.cs
+    /// </summary>
+    public class RobustXamlILCompiler : XamlILCompiler
+    {
+        public RobustXamlILCompiler(TransformerConfiguration configuration, XamlLanguageEmitMappings<IXamlILEmitter, XamlILNodeEmitResult> emitMappings, bool fillWithDefaults) : base(configuration, emitMappings, fillWithDefaults)
+        {
+            Transformers.Add(new AddNameScopeRegistration());
+            Transformers.Add(new RobustMarkRootObjectScopeNode());
+
+            Emitters.Add(new AddNameScopeRegistration.Emitter());
+            Emitters.Add(new RobustMarkRootObjectScopeNode.Emitter());
+        }
+
+        class AddNameScopeRegistration : IXamlAstTransformer
+        {
+            public IXamlAstNode Transform(AstTransformationContext context, IXamlAstNode node)
+            {
+                if (node is XamlPropertyAssignmentNode pa)
+                {
+                    if (pa.Property.Name == "Name"
+                        && pa.Property.DeclaringType.FullName == "Robust.Client.UserInterface.Control")
+                    {
+                        if (context.ParentNodes().FirstOrDefault() is XamlManipulationGroupNode mg
+                            && mg.Children.OfType<RobustNameScopeRegistrationXamlIlNode>().Any())
+                            return node;
+
+                        IXamlAstValueNode value = null;
+                        for (var c = 0; c < pa.Values.Count; c++)
+                            if (pa.Values[c].Type.GetClrType().Equals(context.Configuration.WellKnownTypes.String))
+                            {
+                                value = pa.Values[c];
+                                if (!(value is XamlAstTextNode))
+                                {
+                                    var local = new XamlAstCompilerLocalNode(value);
+                                    // Wrap original in local initialization
+                                    pa.Values[c] = new XamlAstLocalInitializationNodeEmitter(value, value, local);
+                                    // Use local
+                                    value = local;
+                                }
+
+                                break;
+                            }
+
+                        if (value != null)
+                        {
+                            var objectType = context.ParentNodes().OfType<XamlAstConstructableObjectNode>().FirstOrDefault()?.Type.GetClrType();
+                            return new XamlManipulationGroupNode(pa)
+                            {
+                                Children =
+                                {
+                                    pa,
+                                    new RobustNameScopeRegistrationXamlIlNode(value, objectType)
+                                }
+                            };
+                        }
+                    }
+                    /*else if (pa.Property.CustomAttributes.Select(attr => attr.Type).Intersect(context.Configuration.TypeMappings.DeferredContentPropertyAttributes).Any())
+                    {
+                        pa.Values[pa.Values.Count - 1] =
+                            new NestedScopeMetadataNode(pa.Values[pa.Values.Count - 1]);
+                    }*/
+                }
+
+                return node;
+            }
+
+            class RobustNameScopeRegistrationXamlIlNode : XamlAstNode, IXamlAstManipulationNode
+            {
+                public IXamlAstValueNode Name { get; set; }
+                public IXamlType TargetType { get; }
+
+                public RobustNameScopeRegistrationXamlIlNode(IXamlAstValueNode name, IXamlType targetType) : base(name)
+                {
+                    TargetType = targetType;
+                    Name = name;
+                }
+
+                public override void VisitChildren(IXamlAstVisitor visitor)
+                    => Name = (IXamlAstValueNode)Name.Visit(visitor);
+            }
+
+            internal class Emitter : IXamlAstLocalsNodeEmitter<IXamlILEmitter, XamlILNodeEmitResult>
+            {
+                public XamlILNodeEmitResult Emit(IXamlAstNode node, XamlEmitContextWithLocals<IXamlILEmitter, XamlILNodeEmitResult> context, IXamlILEmitter codeGen)
+                {
+                    if (node is RobustNameScopeRegistrationXamlIlNode registration)
+                    {
+
+                        var scopeField = context.RuntimeContext.ContextType.Fields.First(f =>
+                            f.Name == XamlCompiler.ContextNameScopeFieldName);
+                        var namescopeRegisterFunction = context.Configuration.TypeSystem
+                            .FindType("Robust.Client.UserInterface.XAML.NameScope").Methods
+                            .First(m => m.Name == "Register");
+
+                        using (var targetLoc = context.GetLocalOfType(context.Configuration.TypeSystem.FindType("Robust.Client.UserInterface.Control")))
+                        {
+
+                            codeGen
+                                // var target = {pop}
+                                .Stloc(targetLoc.Local)
+                                // _context.NameScope.Register(Name, target)
+                                .Ldloc(context.ContextLocal)
+                                .Ldfld(scopeField);
+
+                            context.Emit(registration.Name, codeGen, registration.Name.Type.GetClrType());
+
+                            codeGen
+                                .Ldloc(targetLoc.Local)
+                                .EmitCall(namescopeRegisterFunction, true);
+                        }
+
+                        return XamlILNodeEmitResult.Void(1);
+                    }
+                    return default;
+                }
+            }
+        }
+
+        class RobustMarkRootObjectScopeNode : IXamlAstTransformer
+        {
+            public IXamlAstNode Transform(AstTransformationContext context, IXamlAstNode node)
+            {
+                if (!context.ParentNodes().Any()
+                    && node is XamlValueWithManipulationNode mnode)
+                {
+                    mnode.Manipulation = new XamlManipulationGroupNode(mnode,
+                        new[]
+                        {
+                            mnode.Manipulation,
+                            new HandleRootObjectScopeNode(mnode)
+                        });
+                }
+                return node;
+            }
+            class HandleRootObjectScopeNode : XamlAstNode, IXamlAstManipulationNode
+            {
+                public HandleRootObjectScopeNode(IXamlLineInfo lineInfo) : base(lineInfo)
+                {
+                }
+            }
+            internal class Emitter : IXamlILAstNodeEmitter
+            {
+                public XamlILNodeEmitResult Emit(IXamlAstNode node, XamlEmitContext<IXamlILEmitter, XamlILNodeEmitResult> context, IXamlILEmitter codeGen)
+                {
+                    if (!(node is HandleRootObjectScopeNode))
+                    {
+                        return null;
+                    }
+
+                    var controlType = context.Configuration.TypeSystem.FindType("Robust.Client.UserInterface.Control");
+
+                    var next = codeGen.DefineLabel();
+                    var dontAbsorb = codeGen.DefineLabel();
+                    var end = codeGen.DefineLabel();
+                    var contextScopeField = context.RuntimeContext.ContextType.Fields.First(f =>
+                        f.Name == XamlCompiler.ContextNameScopeFieldName);
+                    var controlNameScopeField = controlType.Fields.First(f => f.Name == "NameScope");
+                    var nameScopeType = context.Configuration.TypeSystem
+                        .FindType("Robust.Client.UserInterface.XAML.NameScope");
+                    var nameScopeCompleteMethod = nameScopeType.Methods.First(m => m.Name == "Complete");
+                    var nameScopeAbsorbMethod = nameScopeType.Methods.First(m => m.Name == "Absorb");
+                    using (var local = codeGen.LocalsPool.GetLocal(controlType))
+                    {
+                        codeGen
+                            .Isinst(controlType)
+                            .Dup()
+                            .Stloc(local.Local) //store control in local field
+                            .Brfalse(next) //if control is null, move to next (this should never happen but whatev, avalonia does it)
+                            .Ldloc(context.ContextLocal)
+                            .Ldfld(contextScopeField)
+                            .Ldloc(local.Local) //load control from local field
+                            .Ldfld(controlNameScopeField) //load namescope field from control
+                            .EmitCall(nameScopeAbsorbMethod, true)
+                            .Ldloc(local.Local) //load control
+                            .Ldloc(context.ContextLocal) //load contextObject
+                            .Ldfld(contextScopeField) //load namescope field from context obj
+                            .Stfld(controlNameScopeField) //store namescope field in control
+                            .MarkLabel(next)
+                            .Ldloc(context.ContextLocal)
+                            .Ldfld(contextScopeField)
+                            .EmitCall(nameScopeCompleteMethod, true); //set the namescope as complete
+                    }
+
+                    return XamlILNodeEmitResult.Void(1);
+                }
+            }
+        }
+    }
+}

Robust.Client.Injectors/XamlCompiler.Helpers.cs

@@ -0,0 +1,78 @@
+using System.Collections.Generic;
+using System.Linq;
+using Mono.Cecil;
+using Mono.Cecil.Cil;
+using Mono.Collections.Generic;
+using XamlX.TypeSystem;
+
+namespace Robust.Build.Tasks
+{
+    /// <summary>
+    /// Helpers taken from:
+    /// - https://github.com/AvaloniaUI/Avalonia/blob/c85fa2b9977d251a31886c2534613b4730fbaeaf/src/Avalonia.Build.Tasks/XamlCompilerTaskExecutor.cs
+    /// - https://github.com/AvaloniaUI/Avalonia/blob/c85fa2b9977d251a31886c2534613b4730fbaeaf/src/Avalonia.Build.Tasks/XamlCompilerTaskExecutor.Helpers.cs
+    /// </summary>
+    public partial class XamlCompiler
+    {
+        static bool CheckXamlName(IResource r) => r.Name.ToLowerInvariant().EndsWith(".xaml")
+                                                  || r.Name.ToLowerInvariant().EndsWith(".paml")
+                                                  || r.Name.ToLowerInvariant().EndsWith(".axaml");
+
+        private static bool MatchThisCall(Collection<Instruction> instructions, int idx)
+        {
+            var i = instructions[idx];
+            // A "normal" way of passing `this` to a static method:
+
+            // ldarg.0
+            // call void [Avalonia.Markup.Xaml]Avalonia.Markup.Xaml.AvaloniaXamlLoader::Load(object)
+
+            return i.OpCode == OpCodes.Ldarg_0 || (i.OpCode == OpCodes.Ldarg && i.Operand?.Equals(0) == true);
+        }
+
+        interface IResource : IFileSource
+        {
+            string Uri { get; }
+            string Name { get; }
+            void Remove();
+
+        }
+
+        interface IResourceGroup
+        {
+            string Name { get; }
+            IEnumerable<IResource> Resources { get; }
+        }
+
+        class EmbeddedResources : IResourceGroup
+        {
+            private readonly AssemblyDefinition _asm;
+            public string Name => "EmbeddedResource";
+
+            public IEnumerable<IResource> Resources => _asm.MainModule.Resources.OfType<EmbeddedResource>()
+                .Select(r => new WrappedResource(_asm, r)).ToList();
+
+            public EmbeddedResources(AssemblyDefinition asm)
+            {
+                _asm = asm;
+            }
+            class WrappedResource : IResource
+            {
+                private readonly AssemblyDefinition _asm;
+                private readonly EmbeddedResource _res;
+
+                public WrappedResource(AssemblyDefinition asm, EmbeddedResource res)
+                {
+                    _asm = asm;
+                    _res = res;
+                }
+
+                public string Uri => $"resm:{Name}?assembly={_asm.Name.Name}";
+                public string Name => _res.Name;
+                public string FilePath => Name;
+                public byte[] FileContents => _res.GetResourceData();
+
+                public void Remove() => _asm.MainModule.Resources.Remove(_res);
+            }
+        }
+    }
+}

Robust.Client.Injectors/XamlCompiler.cs

@@ -0,0 +1,434 @@
+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Linq;
+using Microsoft.Build.Framework;
+using Mono.Cecil;
+using Mono.Cecil.Cil;
+using Mono.Cecil.Rocks;
+using Pidgin;
+using XamlX;
+using XamlX.Ast;
+using XamlX.Emit;
+using XamlX.IL;
+using XamlX.Parsers;
+using XamlX.Transform;
+using XamlX.TypeSystem;
+
+namespace Robust.Build.Tasks
+{
+    /// <summary>
+    /// Based on https://github.com/AvaloniaUI/Avalonia/blob/c85fa2b9977d251a31886c2534613b4730fbaeaf/src/Avalonia.Build.Tasks/XamlCompilerTaskExecutor.cs
+    /// Adjusted for our UI-Framework
+    /// </summary>
+    public partial class XamlCompiler
+    {
+        public static (bool success, bool writtentofile) Compile(IBuildEngine engine, string input, string[] references,
+            string projectDirectory, string output, string strongNameKey)
+        {
+            var typeSystem = new CecilTypeSystem(references
+                .Where(r => !r.ToLowerInvariant().EndsWith("robust.build.tasks.dll"))
+                .Concat(new[] { input }), input);
+
+            var asm = typeSystem.TargetAssemblyDefinition;
+
+            if (asm.MainModule.GetType("CompiledRobustXaml", "XamlIlContext") != null)
+            {
+                // If this type exists, the assembly has already been processed by us.
+                // Do not run again, it would corrupt the file.
+                // This *shouldn't* be possible due to Inputs/Outputs dependencies in the build system,
+                // but better safe than sorry eh?
+                engine.LogWarningEvent(new BuildWarningEventArgs("XAMLIL", "", "", 0, 0, 0, 0, "Ran twice on same assembly file; ignoring.", "", ""));
+                return (true, false);
+            }
+
+            var compileRes = CompileCore(engine, typeSystem);
+            if (compileRes == null)
+                return (true, false);
+            if (compileRes == false)
+                return (false, false);
+
+            var writerParameters = new WriterParameters { WriteSymbols = asm.MainModule.HasSymbols };
+            if (!string.IsNullOrWhiteSpace(strongNameKey))
+                writerParameters.StrongNameKeyBlob = File.ReadAllBytes(strongNameKey);
+
+            asm.Write(output, writerParameters);
+
+            return (true, true);
+
+        }
+
+        static bool? CompileCore(IBuildEngine engine, CecilTypeSystem typeSystem)
+        {
+            var asm = typeSystem.TargetAssemblyDefinition;
+            var embrsc = new EmbeddedResources(asm);
+
+            if (embrsc.Resources.Count(CheckXamlName) == 0)
+                // Nothing to do
+                return null;
+
+            var xamlLanguage = new XamlLanguageTypeMappings(typeSystem)
+            {
+                XmlnsAttributes =
+                {
+                    typeSystem.GetType("Avalonia.Metadata.XmlnsDefinitionAttribute"),
+
+                },
+                ContentAttributes =
+                {
+                    typeSystem.GetType("Robust.Client.UserInterface.XAML.ContentAttribute")
+                },
+                UsableDuringInitializationAttributes =
+                {
+                    typeSystem.GetType("Robust.Client.UserInterface.XAML.UsableDuringInitializationAttribute")
+                },
+                DeferredContentPropertyAttributes =
+                {
+                    typeSystem.GetType("Robust.Client.UserInterface.XAML.DeferredContentAttribute")
+                },
+                RootObjectProvider = typeSystem.GetType("Robust.Client.UserInterface.XAML.ITestRootObjectProvider"),
+                UriContextProvider = typeSystem.GetType("Robust.Client.UserInterface.XAML.ITestUriContext"),
+                ProvideValueTarget = typeSystem.GetType("Robust.Client.UserInterface.XAML.ITestProvideValueTarget"),
+            };
+            var emitConfig = new XamlLanguageEmitMappings<IXamlILEmitter, XamlILNodeEmitResult>
+            {
+                ContextTypeBuilderCallback = (b,c) => EmitNameScopeField(xamlLanguage, typeSystem, b, c)
+            };
+
+            var transformerconfig = new TransformerConfiguration(
+                typeSystem,
+                typeSystem.TargetAssembly,
+                xamlLanguage,
+                XamlXmlnsMappings.Resolve(typeSystem, xamlLanguage), CustomValueConverter);
+
+            var contextDef = new TypeDefinition("CompiledRobustXaml", "XamlIlContext",
+                TypeAttributes.Class, asm.MainModule.TypeSystem.Object);
+            asm.MainModule.Types.Add(contextDef);
+            var contextClass = XamlILContextDefinition.GenerateContextClass(typeSystem.CreateTypeBuilder(contextDef), typeSystem,
+                xamlLanguage, emitConfig);
+
+            var compiler =
+                new RobustXamlILCompiler(transformerconfig, emitConfig, true);
+
+            var loaderDispatcherDef = new TypeDefinition("CompiledRobustXaml", "!XamlLoader",
+                TypeAttributes.Class, asm.MainModule.TypeSystem.Object);
+
+            var loaderDispatcherMethod = new MethodDefinition("TryLoad",
+                MethodAttributes.Static | MethodAttributes.Public,
+                asm.MainModule.TypeSystem.Object)
+            {
+                Parameters = {new ParameterDefinition(asm.MainModule.TypeSystem.String)}
+            };
+            loaderDispatcherDef.Methods.Add(loaderDispatcherMethod);
+            asm.MainModule.Types.Add(loaderDispatcherDef);
+
+            var stringEquals = asm.MainModule.ImportReference(asm.MainModule.TypeSystem.String.Resolve().Methods.First(
+                m =>
+                    m.IsStatic && m.Name == "Equals" && m.Parameters.Count == 2 &&
+                    m.ReturnType.FullName == "System.Boolean"
+                    && m.Parameters[0].ParameterType.FullName == "System.String"
+                    && m.Parameters[1].ParameterType.FullName == "System.String"));
+
+            bool CompileGroup(IResourceGroup group)
+            {
+                var typeDef = new TypeDefinition("CompiledRobustXaml", "!" + group.Name, TypeAttributes.Class,
+                    asm.MainModule.TypeSystem.Object);
+
+                //typeDef.CustomAttributes.Add(new CustomAttribute(ed));
+                asm.MainModule.Types.Add(typeDef);
+                var builder = typeSystem.CreateTypeBuilder(typeDef);
+
+                foreach (var res in group.Resources.Where(CheckXamlName))
+                {
+                    try
+                    {
+                        engine.LogMessage($"XAMLIL: {res.Name} -> {res.Uri}", MessageImportance.Low);
+
+                        var xaml = new StreamReader(new MemoryStream(res.FileContents)).ReadToEnd();
+                        var parsed = XDocumentXamlParser.Parse(xaml);
+
+                        var initialRoot = (XamlAstObjectNode) parsed.Root;
+
+                        var classDirective = initialRoot.Children.OfType<XamlAstXmlDirective>()
+                            .FirstOrDefault(d => d.Namespace == XamlNamespaces.Xaml2006 && d.Name == "Class");
+                        string classname;
+                        if (classDirective != null && classDirective.Values[0] is XamlAstTextNode tn)
+                        {
+                            classname = tn.Text;
+                        }
+                        else
+                        {
+                            classname = res.Name.Replace(".xaml","");
+                        }
+
+                        var classType = typeSystem.TargetAssembly.FindType(classname);
+                        if (classType == null)
+                            throw new Exception($"Unable to find type '{classname}'");
+
+                        compiler.Transform(parsed);
+
+                        var populateName = $"Populate:{res.Name}";
+                        var buildName = $"Build:{res.Name}";
+
+                        var classTypeDefinition = typeSystem.GetTypeReference(classType).Resolve();
+
+                        var populateBuilder = typeSystem.CreateTypeBuilder(classTypeDefinition);
+
+                        compiler.Compile(parsed, contextClass,
+                            compiler.DefinePopulateMethod(populateBuilder, parsed, populateName,
+                                classTypeDefinition == null),
+                            compiler.DefineBuildMethod(builder, parsed, buildName, true),
+                            null,
+                            (closureName, closureBaseType) =>
+                                populateBuilder.DefineSubType(closureBaseType, closureName, false),
+                            res.Uri, res
+                        );
+
+                        //add compiled populate method
+                        var compiledPopulateMethod = typeSystem.GetTypeReference(populateBuilder).Resolve().Methods
+                            .First(m => m.Name == populateName);
+
+                        const string TrampolineName = "!XamlIlPopulateTrampoline";
+                        var trampoline = new MethodDefinition(TrampolineName,
+                            MethodAttributes.Static | MethodAttributes.Private, asm.MainModule.TypeSystem.Void);
+                        trampoline.Parameters.Add(new ParameterDefinition(classTypeDefinition));
+                        classTypeDefinition.Methods.Add(trampoline);
+
+                        trampoline.Body.Instructions.Add(Instruction.Create(OpCodes.Ldnull));
+                        trampoline.Body.Instructions.Add(Instruction.Create(OpCodes.Ldarg_0));
+                        trampoline.Body.Instructions.Add(Instruction.Create(OpCodes.Call, compiledPopulateMethod));
+                        trampoline.Body.Instructions.Add(Instruction.Create(OpCodes.Ret));
+
+                        var foundXamlLoader = false;
+                        // Find RobustXamlLoader.Load(this) and replace it with !XamlIlPopulateTrampoline(this)
+                        foreach (var method in classTypeDefinition.Methods
+                            .Where(m => !m.Attributes.HasFlag(MethodAttributes.Static)))
+                        {
+                            var i = method.Body.Instructions;
+                            for (var c = 1; c < i.Count; c++)
+                            {
+                                if (i[c].OpCode == OpCodes.Call)
+                                {
+                                    var op = i[c].Operand as MethodReference;
+
+                                    if (op != null
+                                        && op.Name == TrampolineName)
+                                    {
+                                        foundXamlLoader = true;
+                                        break;
+                                    }
+
+                                    if (op != null
+                                        && op.Name == "Load"
+                                        && op.Parameters.Count == 1
+                                        && op.Parameters[0].ParameterType.FullName == "System.Object"
+                                        && op.DeclaringType.FullName == "Robust.Client.UserInterface.XAML.RobustXamlLoader")
+                                    {
+                                        if (MatchThisCall(i, c - 1))
+                                        {
+                                            i[c].Operand = trampoline;
+                                            foundXamlLoader = true;
+                                        }
+                                    }
+                                }
+                            }
+                        }
+
+                        if (!foundXamlLoader)
+                        {
+                            var ctors = classTypeDefinition.GetConstructors()
+                                .Where(c => !c.IsStatic).ToList();
+                            // We can inject xaml loader into default constructor
+                            if (ctors.Count == 1 && ctors[0].Body.Instructions.Count(o=>o.OpCode != OpCodes.Nop) == 3)
+                            {
+                                var i = ctors[0].Body.Instructions;
+                                var retIdx = i.IndexOf(i.Last(x => x.OpCode == OpCodes.Ret));
+                                i.Insert(retIdx, Instruction.Create(OpCodes.Call, trampoline));
+                                i.Insert(retIdx, Instruction.Create(OpCodes.Ldarg_0));
+                            }
+                            else
+                            {
+                                throw new InvalidProgramException(
+                                    $"No call to RobustXamlLoader.Load(this) call found anywhere in the type {classType.FullName} and type seems to have custom constructors.");
+                            }
+                        }
+
+                        //add compiled build method
+                        var compiledBuildMethod = typeSystem.GetTypeReference(builder).Resolve().Methods
+                            .First(m => m.Name == buildName);
+                        var parameterlessCtor = classTypeDefinition.GetConstructors()
+                            .FirstOrDefault(c => c.IsPublic && !c.IsStatic && !c.HasParameters);
+
+                        if (compiledBuildMethod != null && parameterlessCtor != null)
+                        {
+                            var i = loaderDispatcherMethod.Body.Instructions;
+                            var nop = Instruction.Create(OpCodes.Nop);
+                            i.Add(Instruction.Create(OpCodes.Ldarg_0));
+                            i.Add(Instruction.Create(OpCodes.Ldstr, res.Uri));
+                            i.Add(Instruction.Create(OpCodes.Call, stringEquals));
+                            i.Add(Instruction.Create(OpCodes.Brfalse, nop));
+                            if (parameterlessCtor != null)
+                                i.Add(Instruction.Create(OpCodes.Newobj, parameterlessCtor));
+                            else
+                            {
+                                i.Add(Instruction.Create(OpCodes.Call, compiledBuildMethod));
+                            }
+
+                            i.Add(Instruction.Create(OpCodes.Ret));
+                            i.Add(nop);
+                        }
+                    }
+                    catch (Exception e)
+                    {
+                        engine.LogWarningEvent(new BuildWarningEventArgs("XAMLIL", "", res.Uri, 0, 0, 0, 0,
+                            e.ToString(), "", "CompileRobustXaml"));
+                    }
+                }
+                return true;
+            }
+
+            if (embrsc.Resources.Count(CheckXamlName) != 0)
+            {
+                if (!CompileGroup(embrsc))
+                    return false;
+            }
+
+            loaderDispatcherMethod.Body.Instructions.Add(Instruction.Create(OpCodes.Ldnull));
+            loaderDispatcherMethod.Body.Instructions.Add(Instruction.Create(OpCodes.Ret));
+            return true;
+        }
+
+        private static bool CustomValueConverter(
+            AstTransformationContext context,
+            IXamlAstValueNode node,
+            IXamlType type,
+            out IXamlAstValueNode result)
+        {
+            if (!(node is XamlAstTextNode textNode))
+            {
+                result = null;
+                return false;
+            }
+
+            var text = textNode.Text;
+            var types = context.GetRobustTypes();
+
+            if (type.Equals(types.Vector2))
+            {
+                var foo = MathParsing.Single2.Parse(text);
+
+                if (!foo.Success)
+                    throw new XamlLoadException($"Unable to parse \"{text}\" as a Vector2", node);
+
+                var (x, y) = foo.Value;
+
+                result = new RXamlSingleVecLikeConstAstNode(
+                    node,
+                    types.Vector2, types.Vector2ConstructorFull,
+                    types.Single, new[] {x, y});
+                return true;
+            }
+
+            if (type.Equals(types.Thickness))
+            {
+                var foo = MathParsing.Thickness.Parse(text);
+
+                if (!foo.Success)
+                    throw new XamlLoadException($"Unable to parse \"{text}\" as a Thickness", node);
+
+                var val = foo.Value;
+                float[] full;
+                if (val.Length == 1)
+                {
+                    var u = val[0];
+                    full = new[] {u, u, u, u};
+                }
+                else if (val.Length == 2)
+                {
+                    var h = val[0];
+                    var v = val[1];
+                    full = new[] {h, v, h, v};
+                }
+                else // 4
+                {
+                    full = val;
+                }
+
+                result = new RXamlSingleVecLikeConstAstNode(
+                    node,
+                    types.Thickness, types.ThicknessConstructorFull,
+                    types.Single, full);
+                return true;
+            }
+
+            if (type.Equals(types.Thickness))
+            {
+                var foo = MathParsing.Thickness.Parse(text);
+
+                if (!foo.Success)
+                    throw new XamlLoadException($"Unable to parse \"{text}\" as a Thickness", node);
+
+                var val = foo.Value;
+                float[] full;
+                if (val.Length == 1)
+                {
+                    var u = val[0];
+                    full = new[] {u, u, u, u};
+                }
+                else if (val.Length == 2)
+                {
+                    var h = val[0];
+                    var v = val[1];
+                    full = new[] {h, v, h, v};
+                }
+                else // 4
+                {
+                    full = val;
+                }
+
+                result = new RXamlSingleVecLikeConstAstNode(
+                    node,
+                    types.Thickness, types.ThicknessConstructorFull,
+                    types.Single, full);
+                return true;
+            }
+
+            if (type.Equals(types.Color))
+            {
+                // TODO: Interpret these colors at XAML compile time instead of at runtime.
+                result = new RXamlColorAstNode(node, types, text);
+                return true;
+            }
+
+            result = null;
+            return false;
+        }
+
+        public const string ContextNameScopeFieldName = "RobustNameScope";
+
+        private static void EmitNameScopeField(XamlLanguageTypeMappings xamlLanguage, CecilTypeSystem typeSystem, IXamlTypeBuilder<IXamlILEmitter> typeBuilder, IXamlILEmitter constructor)
+        {
+            var nameScopeType = typeSystem.FindType("Robust.Client.UserInterface.XAML.NameScope");
+            var field = typeBuilder.DefineField(nameScopeType,
+                ContextNameScopeFieldName, true, false);
+            constructor
+                .Ldarg_0()
+                .Newobj(nameScopeType.GetConstructor())
+                .Stfld(field);
+        }
+    }
+
+    interface IResource : IFileSource
+    {
+        string Uri { get; }
+        string Name { get; }
+        void Remove();
+
+    }
+
+    interface IResourceGroup
+    {
+        string Name { get; }
+        IEnumerable<IResource> Resources { get; }
+    }
+}

Robust.Client.NameGenerator/NameReferenceSyntaxReceiver.cs

@@ -0,0 +1,21 @@
+using System.Collections.Generic;
+using Microsoft.CodeAnalysis;
+using Microsoft.CodeAnalysis.CSharp.Syntax;
+
+namespace Robust.Client.NameGenerator
+{
+    /// <summary>
+    /// Taken from https://github.com/AvaloniaUI/Avalonia.NameGenerator/blob/ecc9677a23de5cbc90af07ccac14e31c0da41d6a/src/Avalonia.NameGenerator/NameReferenceSyntaxReceiver.cs
+    /// </summary>
+    internal class NameReferenceSyntaxReceiver : ISyntaxReceiver
+    {
+        public List<ClassDeclarationSyntax> CandidateClasses { get; } = new List<ClassDeclarationSyntax>();
+
+        public void OnVisitSyntaxNode(SyntaxNode syntaxNode)
+        {
+            if (syntaxNode is ClassDeclarationSyntax classDeclarationSyntax &&
+                classDeclarationSyntax.AttributeLists.Count > 0)
+                CandidateClasses.Add(classDeclarationSyntax);
+        }
+    }
+}

Robust.Client.NameGenerator/Robust.Client.NameGenerator.csproj

@@ -0,0 +1,17 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+    <PropertyGroup>
+        <TargetFramework>netstandard2.0</TargetFramework>
+    </PropertyGroup>
+
+  <ItemGroup>
+    <PackageReference Include="Microsoft.CodeAnalysis.CSharp" Version="3.8.0" PrivateAssets="all" />
+    <PackageReference Include="Microsoft.CodeAnalysis.Analyzers" Version="3.3.2" PrivateAssets="all" />
+  </ItemGroup>
+
+  <ItemGroup>
+    <Compile Link="XamlX\filename" Include="../XamlX/src/XamlX/**/*.cs" />
+    <Compile Remove="../XamlX/src/XamlX/**/SreTypeSystem.cs" />
+    <Compile Remove="../XamlX/src/XamlX/obj/**" />
+  </ItemGroup>
+</Project>

Robust.Client.NameGenerator/RoslynTypeSystem.cs

@@ -0,0 +1,287 @@
+using System.Collections.Generic;
+using System.Linq;
+using Microsoft.CodeAnalysis;
+using Microsoft.CodeAnalysis.CSharp;
+using XamlX.TypeSystem;
+
+namespace Robust.Client.NameGenerator
+{
+    /// <summary>
+    /// Taken from https://github.com/AvaloniaUI/Avalonia.NameGenerator/blob/ecc9677a23de5cbc90af07ccac14e31c0da41d6a/src/Avalonia.NameGenerator/Infrastructure/RoslynTypeSystem.cs
+    /// </summary>
+     public class RoslynTypeSystem : IXamlTypeSystem
+    {
+        private readonly List<IXamlAssembly> _assemblies = new List<IXamlAssembly>();
+
+        public RoslynTypeSystem(CSharpCompilation compilation)
+        {
+            _assemblies.Add(new RoslynAssembly(compilation.Assembly));
+
+            var assemblySymbols = compilation
+                .References
+                .Select(compilation.GetAssemblyOrModuleSymbol)
+                .OfType<IAssemblySymbol>()
+                .Select(assembly => new RoslynAssembly(assembly))
+                .ToList();
+
+            _assemblies.AddRange(assemblySymbols);
+        }
+
+        public IReadOnlyList<IXamlAssembly> Assemblies => _assemblies;
+
+        public IXamlAssembly FindAssembly(string substring) => _assemblies[0];
+
+        public IXamlType FindType(string name)
+        {
+            foreach (var assembly in _assemblies)
+            {
+                var type = assembly.FindType(name);
+                if (type != null)
+                    return type;
+            }
+
+            return null;
+        }
+
+        public IXamlType FindType(string name, string assembly)
+        {
+            foreach (var assemblyInstance in _assemblies)
+            {
+                var type = assemblyInstance.FindType(name);
+                if (type != null)
+                    return type;
+            }
+
+            return null;
+        }
+    }
+
+    public class RoslynAssembly : IXamlAssembly
+    {
+        private readonly IAssemblySymbol _symbol;
+
+        public RoslynAssembly(IAssemblySymbol symbol) => _symbol = symbol;
+
+        public bool Equals(IXamlAssembly other) =>
+            other is RoslynAssembly roslynAssembly &&
+            SymbolEqualityComparer.Default.Equals(_symbol, roslynAssembly._symbol);
+
+        public string Name => _symbol.Name;
+
+        public IReadOnlyList<IXamlCustomAttribute> CustomAttributes =>
+            _symbol.GetAttributes()
+                .Select(data => new RoslynAttribute(data, this))
+                .ToList();
+
+        public IXamlType FindType(string fullName)
+        {
+            var type = _symbol.GetTypeByMetadataName(fullName);
+            return type is null ? null : new RoslynType(type, this);
+        }
+    }
+
+    public class RoslynAttribute : IXamlCustomAttribute
+    {
+        private readonly AttributeData _data;
+        private readonly RoslynAssembly _assembly;
+
+        public RoslynAttribute(AttributeData data, RoslynAssembly assembly)
+        {
+            _data = data;
+            _assembly = assembly;
+        }
+
+        public bool Equals(IXamlCustomAttribute other) =>
+            other is RoslynAttribute attribute &&
+            _data == attribute._data;
+
+        public IXamlType Type => new RoslynType(_data.AttributeClass, _assembly);
+
+        public List<object> Parameters =>
+            _data.ConstructorArguments
+                .Select(argument => argument.Value)
+                .ToList();
+
+        public Dictionary<string, object> Properties =>
+            _data.NamedArguments.ToDictionary(
+                pair => pair.Key,
+                pair => pair.Value.Value);
+    }
+
+    public class RoslynType : IXamlType
+    {
+        private static readonly SymbolDisplayFormat SymbolDisplayFormat = new SymbolDisplayFormat(
+            typeQualificationStyle: SymbolDisplayTypeQualificationStyle.NameAndContainingTypesAndNamespaces,
+            genericsOptions: SymbolDisplayGenericsOptions.IncludeTypeParameters |
+                             SymbolDisplayGenericsOptions.IncludeTypeConstraints |
+                             SymbolDisplayGenericsOptions.IncludeVariance);
+
+        private readonly RoslynAssembly _assembly;
+        private readonly INamedTypeSymbol _symbol;
+
+        public RoslynType(INamedTypeSymbol symbol, RoslynAssembly assembly)
+        {
+            _symbol = symbol;
+            _assembly = assembly;
+        }
+
+        public bool Equals(IXamlType other) =>
+            other is RoslynType roslynType &&
+            SymbolEqualityComparer.Default.Equals(_symbol, roslynType._symbol);
+
+        public object Id => _symbol;
+
+        public string Name => _symbol.Name;
+
+        public string Namespace => _symbol.ContainingNamespace.ToDisplayString(SymbolDisplayFormat);
+
+        public string FullName => $"{Namespace}.{Name}";
+
+        public IXamlAssembly Assembly => _assembly;
+
+        public IReadOnlyList<IXamlProperty> Properties =>
+            _symbol.GetMembers()
+                .Where(member => member.Kind == SymbolKind.Property)
+                .OfType<IPropertySymbol>()
+                .Select(property => new RoslynProperty(property, _assembly))
+                .ToList();
+
+        public IReadOnlyList<IXamlEventInfo> Events { get; } = new List<IXamlEventInfo>();
+
+        public IReadOnlyList<IXamlField> Fields { get; } = new List<IXamlField>();
+
+        public IReadOnlyList<IXamlMethod> Methods { get; } = new List<IXamlMethod>();
+
+        public IReadOnlyList<IXamlConstructor> Constructors =>
+            _symbol.Constructors
+                .Select(method => new RoslynConstructor(method, _assembly))
+                .ToList();
+
+        public IReadOnlyList<IXamlCustomAttribute> CustomAttributes { get; } = new List<IXamlCustomAttribute>();
+
+        public IReadOnlyList<IXamlType> GenericArguments { get; } = new List<IXamlType>();
+
+        public bool IsAssignableFrom(IXamlType type) => type == this;
+
+        public IXamlType MakeGenericType(IReadOnlyList<IXamlType> typeArguments) => this;
+
+        public IXamlType GenericTypeDefinition => this;
+
+        public bool IsArray => false;
+
+        public IXamlType ArrayElementType { get; } = null;
+
+        public IXamlType MakeArrayType(int dimensions) => null;
+
+        public IXamlType BaseType => _symbol.BaseType == null ? null : new RoslynType(_symbol.BaseType, _assembly);
+
+        public bool IsValueType { get; } = false;
+
+        public bool IsEnum { get; } = false;
+
+        public IReadOnlyList<IXamlType> Interfaces =>
+            _symbol.AllInterfaces
+                .Select(abstraction => new RoslynType(abstraction, _assembly))
+                .ToList();
+
+        public bool IsInterface => _symbol.IsAbstract;
+
+        public IXamlType GetEnumUnderlyingType() => null;
+
+        public IReadOnlyList<IXamlType> GenericParameters { get; } = new List<IXamlType>();
+    }
+
+    public class RoslynConstructor : IXamlConstructor
+    {
+        private readonly IMethodSymbol _symbol;
+        private readonly RoslynAssembly _assembly;
+
+        public RoslynConstructor(IMethodSymbol symbol, RoslynAssembly assembly)
+        {
+            _symbol = symbol;
+            _assembly = assembly;
+        }
+
+        public bool Equals(IXamlConstructor other) =>
+            other is RoslynConstructor roslynConstructor &&
+            SymbolEqualityComparer.Default.Equals(_symbol, roslynConstructor._symbol);
+
+        public bool IsPublic => true;
+
+        public bool IsStatic => false;
+
+        public IReadOnlyList<IXamlType> Parameters =>
+            _symbol.Parameters
+                .Select(parameter => parameter.Type)
+                .OfType<INamedTypeSymbol>()
+                .Select(type => new RoslynType(type, _assembly))
+                .ToList();
+    }
+
+    public class RoslynProperty : IXamlProperty
+    {
+        private readonly IPropertySymbol _symbol;
+        private readonly RoslynAssembly _assembly;
+
+        public RoslynProperty(IPropertySymbol symbol, RoslynAssembly assembly)
+        {
+            _symbol = symbol;
+            _assembly = assembly;
+        }
+
+        public bool Equals(IXamlProperty other) =>
+            other is RoslynProperty roslynProperty &&
+            SymbolEqualityComparer.Default.Equals(_symbol, roslynProperty._symbol);
+
+        public string Name => _symbol.Name;
+
+        public IXamlType PropertyType =>
+            _symbol.Type is INamedTypeSymbol namedTypeSymbol
+                ? new RoslynType(namedTypeSymbol, _assembly)
+                : null;
+
+        public IXamlMethod Getter => _symbol.GetMethod == null ? null : new RoslynMethod(_symbol.GetMethod, _assembly);
+
+        public IXamlMethod Setter => _symbol.SetMethod == null ? null : new RoslynMethod(_symbol.SetMethod, _assembly);
+
+        public IReadOnlyList<IXamlCustomAttribute> CustomAttributes { get; } = new List<IXamlCustomAttribute>();
+
+        public IReadOnlyList<IXamlType> IndexerParameters { get; } = new List<IXamlType>();
+    }
+
+    public class RoslynMethod : IXamlMethod
+    {
+        private readonly IMethodSymbol _symbol;
+        private readonly RoslynAssembly _assembly;
+
+        public RoslynMethod(IMethodSymbol symbol, RoslynAssembly assembly)
+        {
+            _symbol = symbol;
+            _assembly = assembly;
+        }
+
+        public bool Equals(IXamlMethod other) =>
+            other is RoslynMethod roslynMethod &&
+            SymbolEqualityComparer.Default.Equals(roslynMethod._symbol, _symbol);
+
+        public string Name => _symbol.Name;
+
+        public bool IsPublic => true;
+
+        public bool IsStatic => false;
+
+        public IXamlType ReturnType => new RoslynType((INamedTypeSymbol) _symbol.ReturnType, _assembly);
+
+        public IReadOnlyList<IXamlType> Parameters =>
+            _symbol.Parameters.Select(parameter => parameter.Type)
+                .OfType<INamedTypeSymbol>()
+                .Select(type => new RoslynType(type, _assembly))
+                .ToList();
+
+        public IXamlType DeclaringType => new RoslynType((INamedTypeSymbol)_symbol.ReceiverType, _assembly);
+
+        public IXamlMethod MakeGenericMethod(IReadOnlyList<IXamlType> typeArguments) => null;
+
+        public IReadOnlyList<IXamlCustomAttribute> CustomAttributes { get; } = new List<IXamlCustomAttribute>();
+    }
+}

Robust.Client.NameGenerator/XamlUiPartialClassGenerator.cs

@@ -0,0 +1,262 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using Microsoft.CodeAnalysis;
+using Microsoft.CodeAnalysis.CSharp;
+using Microsoft.CodeAnalysis.Text;
+using XamlX.Ast;
+using XamlX.Emit;
+using XamlX.IL;
+using XamlX.Parsers;
+using XamlX.Transform;
+using XamlX.Transform.Transformers;
+using XamlX.TypeSystem;
+
+namespace Robust.Client.NameGenerator
+{
+    /// <summary>
+    /// Based on https://github.com/AvaloniaUI/Avalonia.NameGenerator/blob/ecc9677a23de5cbc90af07ccac14e31c0da41d6a/src/Avalonia.NameGenerator/NameReferenceGenerator.cs
+    /// Adjusted for our UI-Framework & needs.
+    /// </summary>
+    [Generator]
+    public class XamlUiPartialClassGenerator : ISourceGenerator
+    {
+        private const string AttributeName = "Robust.Client.AutoGenerated.GenerateTypedNameReferencesAttribute";
+        private const string AttributeFile = "GenerateTypedNameReferencesAttribute";
+
+        private const string AttributeCode = @"// <auto-generated />
+using System;
+namespace Robust.Client.AutoGenerated
+{
+    [AttributeUsage(AttributeTargets.Class, Inherited = false, AllowMultiple = false)]
+    public sealed class GenerateTypedNameReferencesAttribute : Attribute { }
+}
+";
+
+        class NameVisitor : IXamlAstVisitor
+        {
+            private List<(string name, string type)> _names = new List<(string name, string type)>();
+
+            public static List<(string name, string type)> GetNames(IXamlAstNode node)
+            {
+                var visitor = new NameVisitor();
+                node.Visit(visitor);
+                return visitor._names;
+            }
+
+            private bool IsControl(IXamlType type) => type.FullName != "System.Object" &&
+                                                      (type.FullName == "Robust.Client.UserInterface.Control" ||
+                                                       IsControl(type.BaseType));
+
+            public IXamlAstNode Visit(IXamlAstNode node)
+            {
+                if (node is XamlAstObjectNode objectNode)
+                {
+                    var clrtype = objectNode.Type.GetClrType();
+                    var isControl = IsControl(clrtype);
+                    //clrtype.Interfaces.Any(i =>
+                    //i.IsInterface && i.FullName == "Robust.Client.UserInterface.IControl");
+
+                    if (!isControl)
+                        return node;
+
+                    foreach (var child in objectNode.Children)
+                    {
+                        if (child is XamlAstXamlPropertyValueNode propertyValueNode &&
+                            propertyValueNode.Property is XamlAstNamePropertyReference namedProperty &&
+                            namedProperty.Name == "Name" &&
+                            propertyValueNode.Values.Count > 0 &&
+                            propertyValueNode.Values[0] is XamlAstTextNode text)
+                        {
+                            var reg = (text.Text, $@"{clrtype.Namespace}.{clrtype.Name}");
+                            if (!_names.Contains(reg))
+                            {
+                                _names.Add(reg);
+                            }
+                        }
+                    }
+                }
+
+                return node;
+            }
+
+            public void Push(IXamlAstNode node)
+            {
+            }
+
+            public void Pop()
+            {
+            }
+        }
+
+        private static string GenerateSourceCode(
+            INamedTypeSymbol classSymbol,
+            string xamlFile,
+            CSharpCompilation comp)
+        {
+            var className = classSymbol.Name;
+            var nameSpace = classSymbol.ContainingNamespace.ToDisplayString();
+            var parsed = XDocumentXamlParser.Parse(xamlFile);
+            var typeSystem = new RoslynTypeSystem(comp);
+            var compiler =
+                new XamlILCompiler(
+                    new TransformerConfiguration(typeSystem, typeSystem.Assemblies[0],
+                        new XamlLanguageTypeMappings(typeSystem)
+                        {
+                            XmlnsAttributes = {typeSystem.GetType("Avalonia.Metadata.XmlnsDefinitionAttribute")}
+                        }),
+                    new XamlLanguageEmitMappings<IXamlILEmitter, XamlILNodeEmitResult>(), false);
+            compiler.Transformers.Add(new TypeReferenceResolver());
+            compiler.Transform(parsed);
+            var initialRoot = (XamlAstObjectNode) parsed.Root;
+            var names = NameVisitor.GetNames(initialRoot);
+            var fieldAccess = classSymbol.IsSealed ? "private" : "protected";
+            //var names = NameVisitor.GetNames((XamlAstObjectNode)XDocumentXamlParser.Parse(xamlFile).Root);
+            var namedControls = names.Select(info => "        " +
+                                                     $"{fieldAccess} global::{info.type} {info.name} => " +
+                                                     $"this.FindControl<global::{info.type}>(\"{info.name}\");");
+            return $@"// <auto-generated />
+using Robust.Client.UserInterface;
+using Robust.Client.UserInterface.Controls;
+namespace {nameSpace}
+{{
+    partial class {className}
+    {{
+{string.Join("\n", namedControls)}
+    }}
+}}
+";
+        }
+
+
+        public void Execute(GeneratorExecutionContext context)
+        {
+            var comp = (CSharpCompilation) context.Compilation;
+            if (comp.GetTypeByMetadataName(AttributeName) == null)
+                context.AddSource(AttributeFile, SourceText.From(AttributeCode, Encoding.UTF8));
+            if (!(context.SyntaxReceiver is NameReferenceSyntaxReceiver receiver))
+            {
+                return;
+            }
+
+            var symbols = UnpackAnnotatedTypes(context, comp, receiver);
+            if (symbols == null)
+                return;
+
+            foreach (var typeSymbol in symbols)
+            {
+                var xamlFileName = $"{typeSymbol.Name}.xaml";
+                var relevantXamlFile = context.AdditionalFiles.FirstOrDefault(t => t.Path.EndsWith(xamlFileName));
+
+                if (relevantXamlFile == null)
+                {
+                    context.ReportDiagnostic(
+                        Diagnostic.Create(
+                            new DiagnosticDescriptor(
+                                "RXN0001",
+                                $"Unable to discover the relevant Robust XAML file for {typeSymbol}.",
+                                "Unable to discover the relevant Robust XAML file " +
+                                $"expected at {xamlFileName}",
+                                "Usage",
+                                DiagnosticSeverity.Error,
+                                true),
+                            typeSymbol.Locations[0]));
+                    continue;
+                }
+
+                var txt = relevantXamlFile.GetText()?.ToString();
+                if (txt == null)
+                {
+                    context.ReportDiagnostic(
+                        Diagnostic.Create(
+                            new DiagnosticDescriptor(
+                                "RXN0002",
+                                $"Unexpected empty Xaml-File was found at {xamlFileName}",
+                                "Expected Content due to a Class with the same name being annotated with [GenerateTypedNameReferences].",
+                                "Usage",
+                                DiagnosticSeverity.Error,
+                                true),
+                            Location.Create(xamlFileName, new TextSpan(0, 0),
+                                new LinePositionSpan(new LinePosition(0, 0), new LinePosition(0, 0)))));
+                    continue;
+                }
+
+                try
+                {
+                    var sourceCode = GenerateSourceCode(typeSymbol, txt, comp);
+                    context.AddSource($"{typeSymbol.Name}.g.cs", SourceText.From(sourceCode, Encoding.UTF8));
+                }
+                catch (Exception e)
+                {
+                    context.ReportDiagnostic(
+                        Diagnostic.Create(
+                            new DiagnosticDescriptor(
+                                "AXN0003",
+                                "Unhandled exception occured while generating typed Name references.",
+                                $"Unhandled exception occured while generating typed Name references: {e}",
+                                "Usage",
+                                DiagnosticSeverity.Error,
+                                true),
+                            typeSymbol.Locations[0]));
+                    continue;
+                }
+            }
+        }
+
+        private IReadOnlyList<INamedTypeSymbol> UnpackAnnotatedTypes(in GeneratorExecutionContext context,
+            CSharpCompilation comp, NameReferenceSyntaxReceiver receiver)
+        {
+            var options = (CSharpParseOptions) comp.SyntaxTrees[0].Options;
+            var compilation =
+                comp.AddSyntaxTrees(CSharpSyntaxTree.ParseText(SourceText.From(AttributeCode, Encoding.UTF8), options));
+            var symbols = new List<INamedTypeSymbol>();
+            var attributeSymbol = compilation.GetTypeByMetadataName(AttributeName);
+            foreach (var candidateClass in receiver.CandidateClasses)
+            {
+                var model = compilation.GetSemanticModel(candidateClass.SyntaxTree);
+                var typeSymbol = (INamedTypeSymbol) model.GetDeclaredSymbol(candidateClass);
+                var relevantAttribute = typeSymbol.GetAttributes().FirstOrDefault(attr =>
+                    attr.AttributeClass != null &&
+                    attr.AttributeClass.Equals(attributeSymbol, SymbolEqualityComparer.Default));
+
+                if (relevantAttribute == null)
+                {
+                    continue;
+                }
+
+                var isPartial = candidateClass.Modifiers.Any(m => m.IsKind(SyntaxKind.PartialKeyword));
+
+                if (isPartial)
+                {
+                    symbols.Add(typeSymbol);
+                }
+                else
+                {
+                    var missingPartialKeywordMessage =
+                        $"The type {typeSymbol.Name} should be declared with the 'partial' keyword " +
+                        "as it is annotated with the [GenerateTypedNameReferences] attribute.";
+
+                    context.ReportDiagnostic(
+                        Diagnostic.Create(
+                            new DiagnosticDescriptor(
+                                "RXN0004",
+                                missingPartialKeywordMessage,
+                                missingPartialKeywordMessage,
+                                "Usage",
+                                DiagnosticSeverity.Error,
+                                true),
+                            Location.None));
+                    return null;
+                }
+            }
+
+            return symbols;
+        }
+
+        public void Initialize(GeneratorInitializationContext context)
+        {
+            context.RegisterForSyntaxNotifications(() => new NameReferenceSyntaxReceiver());
+        }
+    }
+}

Robust.Client/Animations/Animation.cs

@@ -1,6 +1,6 @@
 using System;
 using System.Collections.Generic;
-using Robust.Client.GameObjects.Components.Animations;
+using Robust.Client.GameObjects;
 
 namespace Robust.Client.Animations
 {
@@ -13,7 +13,7 @@ namespace Robust.Client.Animations
     /// <seealso cref="AnimationPlayerComponent"/>
     public sealed class Animation
     {
-        public readonly List<AnimationTrack> AnimationTracks = new();
+        public List<AnimationTrack> AnimationTracks { get; private set; } = new();
 
         public TimeSpan Length { get; set; }
     }

Robust.Client/Animations/AnimationTrackComponentProperty.cs

@@ -1,7 +1,7 @@
 using System;
 using JetBrains.Annotations;
 using Robust.Shared.Animations;
-using Robust.Shared.Interfaces.GameObjects;
+using Robust.Shared.GameObjects;
 
 namespace Robust.Client.Animations
 {

Robust.Client/Animations/AnimationTrackControlProperty.cs

@@ -1,8 +1,7 @@
 using System;
-using Robust.Client.Animations;
 using Robust.Shared.Animations;
 
-namespace Content.Client.Animations
+namespace Robust.Client.Animations
 {
     public class AnimationTrackControlProperty : AnimationTrackProperty
     {

Robust.Client/Animations/AnimationTrackPlaySound.cs

@@ -1,11 +1,9 @@
 using System;
 using System.Collections.Generic;
-using Robust.Client.GameObjects.EntitySystems;
+using Robust.Client.GameObjects;
 using Robust.Shared.Audio;
-using Robust.Shared.GameObjects.Systems;
-using Robust.Shared.Interfaces.GameObjects;
-using Robust.Shared.IoC;
-using Robust.Shared.Utility;
+using Robust.Shared.GameObjects;
+using Robust.Shared.Player;
 
 namespace Robust.Client.Animations
 {
@@ -17,7 +15,7 @@ namespace Robust.Client.Animations
         /// <summary>
         ///     A list of key frames for when to fire flicks.
         /// </summary>
-        public readonly List<KeyFrame> KeyFrames = new();
+        public List<KeyFrame> KeyFrames { get; private set; } = new();
 
         public override (int KeyFrameIndex, float FramePlayingTime) InitPlayback()
         {
@@ -39,8 +37,7 @@ namespace Robust.Client.Animations
 
                 var keyFrame = KeyFrames[keyFrameIndex];
 
-                EntitySystem.Get<AudioSystem>()
-                    .Play(keyFrame.Resource, entity, keyFrame.AudioParamsFunc.Invoke());
+                SoundSystem.Play(Filter.Local(), keyFrame.Resource, entity, keyFrame.AudioParamsFunc.Invoke());
             }
 
             return (keyFrameIndex, playingTime);

Robust.Client/Animations/AnimationTrackProperty.cs

@@ -10,7 +10,7 @@ namespace Robust.Client.Animations
     /// </summary>
     public abstract class AnimationTrackProperty : AnimationTrack
     {
-        public readonly List<KeyFrame> KeyFrames = new();
+        public List<KeyFrame> KeyFrames { get; protected set; } = new();
 
         /// <summary>
         ///     How to interpolate values when between two keyframes.

Robust.Client/Animations/AnimationTrackSpriteFlick.cs

@@ -1,8 +1,8 @@
 using System;
 using System.Collections.Generic;
+using Robust.Client.GameObjects;
 using Robust.Client.Graphics;
-using Robust.Client.Interfaces.GameObjects.Components;
-using Robust.Shared.Interfaces.GameObjects;
+using Robust.Shared.GameObjects;
 using Robust.Shared.Utility;
 
 namespace Robust.Client.Animations
@@ -15,7 +15,7 @@ namespace Robust.Client.Animations
         /// <summary>
         ///     A list of key frames for when to fire flicks.
         /// </summary>
-        public readonly List<KeyFrame> KeyFrames = new();
+        public List<KeyFrame> KeyFrames { get; private set; } = new();
 
         // TODO: Should this layer key be per keyframe maybe?
         /// <summary>

Robust.Client/Audio/AudioStream.cs

@@ -1,6 +1,5 @@
 using System;
 using Robust.Client.Graphics;
-using Robust.Client.Graphics.Clyde;
 
 namespace Robust.Client.Audio
 {

Robust.Client/Audio/Midi/MidiManager.cs

@@ -4,16 +4,15 @@ using System.IO;
 using System.Runtime.InteropServices;
 using System.Threading;
 using NFluidsynth;
-using Robust.Client.Interfaces.Graphics.ClientEye;
-using Robust.Client.Interfaces.ResourceManagement;
-using Robust.Shared.Interfaces.GameObjects;
-using Robust.Shared.Interfaces.Log;
-using Robust.Shared.Interfaces.Physics;
-using Robust.Shared.Interfaces.Resources;
+using Robust.Client.Graphics;
+using Robust.Client.ResourceManagement;
+using Robust.Shared.ContentPack;
+using Robust.Shared.GameObjects;
 using Robust.Shared.IoC;
 using Robust.Shared.Log;
 using Robust.Shared.Map;
-using Robust.Shared.Maths;
+using Robust.Shared.Physics;
+using Robust.Shared.Physics.Broadphase;
 using Robust.Shared.Utility;
 using Logger = Robust.Shared.Log.Logger;
 
@@ -64,14 +63,18 @@ namespace Robust.Client.Audio.Midi
         bool IsAvailable { get; }
 
         public int OcclusionCollisionMask { get; set; }
+
+        void Shutdown();
     }
 
-    internal class MidiManager : IDisposable, IMidiManager
+    internal class MidiManager : IMidiManager
     {
         [Dependency] private readonly IEyeManager _eyeManager = default!;
         [Dependency] private readonly IResourceManagerInternal _resourceManager = default!;
         [Dependency] private readonly IEntityManager _entityManager = default!;
 
+        private SharedBroadPhaseSystem _broadPhaseSystem = default!;
+
         public bool IsAvailable
         {
             get
@@ -104,7 +107,7 @@ namespace Robust.Client.Audio.Midi
         private const string OsxSoundfont =
             "/System/Library/Components/CoreAudio.component/Contents/Resources/gs_instruments.dls";
 
-        private const string FallbackSoundfont = "/Resources/Midi/fallback.sf2";
+        private const string FallbackSoundfont = "/Midi/fallback.sf2";
 
         private readonly ResourceLoaderCallbacks _soundfontLoaderCallbacks = new();
 
@@ -155,6 +158,7 @@ namespace Robust.Client.Audio.Midi
             _midiThread = new Thread(ThreadUpdate);
             _midiThread.Start();
 
+            _broadPhaseSystem = EntitySystem.Get<SharedBroadPhaseSystem>();
             FluidsynthInitialized = true;
         }
 
@@ -207,13 +211,10 @@ namespace Robust.Client.Audio.Midi
 
                 var renderer = new MidiRenderer(_settings!, soundfontLoader);
 
-                foreach (var file in _resourceManager.ContentFindFiles(new ResourcePath("/Audio/MidiCustom/")))
+                foreach (var file in _resourceManager.ContentFindFiles(("/Audio/MidiCustom/")))
                 {
                     if (file.Extension != "sf2" && file.Extension != "dls") continue;
-                    if (_resourceManager.TryGetDiskFilePath(file, out var path))
-                    {
-                        renderer.LoadSoundfont(path);
-                    }
+                    renderer.LoadSoundfont(file.ToString());
                 }
 
                 // Since the last loaded soundfont takes priority, we load the fallback soundfont before the soundfont.
@@ -302,7 +303,7 @@ namespace Robust.Client.Audio.Midi
                             var occlusion = 0f;
                             if (sourceRelative.Length > 0)
                             {
-                                occlusion = IoCManager.Resolve<IPhysicsManager>().IntersectRayPenetration(
+                                occlusion = _broadPhaseSystem.IntersectRayPenetration(
                                     pos.MapId,
                                     new CollisionRay(
                                         pos.Position,
@@ -319,6 +320,11 @@ namespace Robust.Client.Audio.Midi
                             continue;
                         }
 
+                        if (renderer.TrackingEntity != null)
+                        {
+                            renderer.Source.SetVelocity(renderer.TrackingEntity.GlobalLinearVelocity());
+                        }
+
                         if (float.IsNaN(pos.Position.X) || float.IsNaN(pos.Position.Y))
                         {
                             // just duck out instead of move to NaN
@@ -356,7 +362,7 @@ namespace Robust.Client.Audio.Midi
             }
         }
 
-        public void Dispose()
+        public void Shutdown()
         {
             _alive = false;
             _midiThread?.Join();
@@ -382,10 +388,18 @@ namespace Robust.Client.Audio.Midi
 
             public override IntPtr Open(string filename)
             {
-                Stream? stream;
-                if (filename.StartsWith("/Resources/"))
+                if (string.IsNullOrEmpty(filename))
                 {
-                    if (!IoCManager.Resolve<IResourceCache>().TryContentFileRead(filename.Substring(10), out stream))
+                    return IntPtr.Zero;
+                }
+
+                Stream? stream;
+                var resourceCache = IoCManager.Resolve<IResourceCache>();
+                var resourcePath = new ResourcePath(filename);
+
+                if (resourcePath.IsRooted && resourceCache.ContentFileExists(filename))
+                {
+                    if (!resourceCache.TryContentFileRead(filename, out stream))
                         return IntPtr.Zero;
                 }
                 else if (File.Exists(filename))

Robust.Client/Audio/Midi/MidiRenderer.cs

@@ -1,11 +1,9 @@
 using System;
-using System.IO;
 using System.Runtime.Intrinsics.X86;
 using NFluidsynth;
-using Robust.Client.Interfaces.Graphics;
+using Robust.Client.Graphics;
 using Robust.Shared.Asynchronous;
-using Robust.Shared.Interfaces.GameObjects;
-using Robust.Shared.Interfaces.Log;
+using Robust.Shared.GameObjects;
 using Robust.Shared.IoC;
 using Robust.Shared.Log;
 using Robust.Shared.Map;
@@ -72,9 +70,9 @@ namespace Robust.Client.Audio.Midi
         int PlayerTotalTick { get; }
 
         /// <summary>
-        ///     Gets the current tick of the MIDI player.
+        ///     Gets or sets (seeks) the current tick of the MIDI player.
         /// </summary>
-        int PlayerTick { get; }
+        int PlayerTick { get; set; }
 
         /// <summary>
         ///     Gets the current tick of the sequencer.
@@ -235,7 +233,16 @@ namespace Robust.Client.Audio.Midi
         public bool DisableProgramChangeEvent { get; set; } = true;
 
         public int PlayerTotalTick => _player?.GetTotalTicks ?? 0;
-        public int PlayerTick => _player?.CurrentTick ?? 0;
+        public int PlayerTick
+        {
+            get => _player?.CurrentTick ?? 0;
+            set
+            {
+                lock (_playerStateLock)
+                    _player?.Seek(Math.Max(Math.Min(value, PlayerTotalTick), 0));
+            }
+        }
+
         public uint SequencerTick => _sequencer?.Tick ?? 0;
         public double SequencerTimeScale => _sequencer?.TimeScale ?? 0;
 
@@ -310,9 +317,8 @@ namespace Robust.Client.Audio.Midi
 
             lock (_playerStateLock)
             {
-                if (_player == null)
-                    _player = new NFluidsynth.Player(_synth);
-                _player.Stop();
+                _player?.Dispose();
+                _player = new NFluidsynth.Player(_synth);
                 _player.AddMem(buffer);
                 _player.SetPlaybackCallback(MidiPlayerEventHandler);
                 _player.Play();
@@ -351,10 +357,7 @@ namespace Robust.Client.Audio.Midi
 
         public void StopAllNotes()
         {
-            for (var i = 0; i < 16; i++)
-            {
-                _synth.AllNotesOff(i);
-            }
+            _synth.AllNotesOff(-1);
         }
 
         public void LoadSoundfont(string filename, bool resetPresets = false)
@@ -475,12 +478,6 @@ namespace Robust.Client.Audio.Midi
                 lock(_playerStateLock)
                     switch (midiEvent.Type)
                     {
-                        // Sometimes MIDI files spam these for no good reason and I can't find any info on what they are.
-                        case 1:
-                        case 5:
-                        case 81:
-                            break;
-
                         // Note On 0x80
                         case 144:
                             _synth.NoteOn(midiEvent.Channel, midiEvent.Key, midiEvent.Velocity);
@@ -503,8 +500,10 @@ namespace Robust.Client.Audio.Midi
 
                         // Program Change - 0xC0
                         case 192:
-                            if(!DisableProgramChangeEvent)
+                            if (!DisableProgramChangeEvent)
                                 _synth.ProgramChange(midiEvent.Channel, midiEvent.Program);
+                            else
+                                return;
                             break;
 
                         // Channel Pressure - 0xD0
@@ -517,13 +516,17 @@ namespace Robust.Client.Audio.Midi
                             _synth.PitchBend(midiEvent.Channel, midiEvent.Pitch);
                             break;
 
+                        // Sometimes MIDI files spam these for no good reason and I can't find any info on what they are.
+                        case 1:
+                        case 5:
+                        case 81:
                         // System Messages - 0xF0
                         case 240:
-                            break;
+                            return;
 
                         default:
                             _midiSawmill.Warning("Unhandled midi event of type {0}", midiEvent.Type, midiEvent);
-                            break;
+                            return;
                     }
             }
             catch (FluidSynthInteropException)

Robust.Client/BaseClient.cs

@@ -1,21 +1,19 @@
-using System;
+using System;
 using System.Net;
-using Robust.Client.Interfaces;
-using Robust.Client.Interfaces.Debugging;
-using Robust.Client.Interfaces.GameObjects;
-using Robust.Client.Interfaces.GameStates;
-using Robust.Client.Interfaces.Utility;
+using Robust.Client.Debugging;
+using Robust.Client.GameObjects;
+using Robust.Client.GameStates;
 using Robust.Client.Player;
+using Robust.Client.Utility;
 using Robust.Shared;
+using Robust.Shared.Configuration;
 using Robust.Shared.Enums;
-using Robust.Shared.Interfaces.Configuration;
-using Robust.Shared.Interfaces.Map;
-using Robust.Shared.Interfaces.Network;
-using Robust.Shared.Interfaces.Timing;
+using Robust.Shared.GameObjects;
 using Robust.Shared.IoC;
 using Robust.Shared.Log;
+using Robust.Shared.Map;
 using Robust.Shared.Network;
-using Robust.Shared.Network.Messages;
+using Robust.Shared.Timing;
 using Robust.Shared.Utility;
 
 namespace Robust.Client
@@ -25,7 +23,7 @@ namespace Robust.Client
     {
         [Dependency] private readonly IClientNetManager _net = default!;
         [Dependency] private readonly IPlayerManager _playMan = default!;
-        [Dependency] private readonly IConfigurationManager _configManager = default!;
+        [Dependency] private readonly INetConfigurationManager _configManager = default!;
         [Dependency] private readonly IClientEntityManager _entityManager = default!;
         [Dependency] private readonly IMapManager _mapManager = default!;
         [Dependency] private readonly IDiscordRichPresence _discord = default!;
@@ -50,18 +48,28 @@ namespace Robust.Client
         /// <inheritdoc />
         public void Initialize()
         {
-            _net.RegisterNetMessage<MsgServerInfo>(MsgServerInfo.NAME, HandleServerInfo);
-            _net.RegisterNetMessage<MsgSetTickRate>(MsgSetTickRate.NAME, HandleSetTickRate);
-            _net.RegisterNetMessage<MsgServerInfoReq>(MsgServerInfoReq.NAME);
             _net.Connected += OnConnected;
             _net.ConnectFailed += OnConnectFailed;
             _net.Disconnect += OnNetDisconnect;
 
+            _configManager.OnValueChanged(CVars.NetTickrate, TickRateChanged, invokeImmediately: true);
+
             _playMan.Initialize();
             _debugDrawMan.Initialize();
             Reset();
         }
 
+        private void TickRateChanged(int tickrate)
+        {
+            if (GameInfo != null)
+            {
+                GameInfo.TickRate = (byte) tickrate;
+            }
+
+            _timing.TickRate = (byte) tickrate;
+            Logger.InfoS("client", $"Tickrate changed to: {tickrate} on tick {_timing.CurTick}");
+        }
+
         /// <inheritdoc />
         public void ConnectToServer(DnsEndPoint endPoint)
         {
@@ -89,6 +97,25 @@ namespace Robust.Client
             _net.ClientDisconnect(reason);
         }
 
+        /// <inheritdoc />
+        public void StartSinglePlayer()
+        {
+            DebugTools.Assert(RunLevel < ClientRunLevel.Connecting);
+            DebugTools.Assert(!_net.IsConnected);
+            _playMan.Startup();
+            _playMan.LocalPlayer!.Name = PlayerNameOverride ?? _configManager.GetCVar(CVars.PlayerName);
+            OnRunLevelChanged(ClientRunLevel.SinglePlayerGame);
+            GameStartedSetup();
+        }
+
+        /// <inheritdoc />
+        public void StopSinglePlayer()
+        {
+            DebugTools.Assert(RunLevel == ClientRunLevel.SinglePlayerGame);
+            DebugTools.Assert(!_net.IsConnected);
+            GameStoppedReset();
+        }
+
         /// <inheritdoc />
         public event EventHandler<RunLevelChangedEventArgs>? RunLevelChanged;
 
@@ -98,9 +125,39 @@ namespace Robust.Client
 
         private void OnConnected(object? sender, NetChannelArgs args)
         {
-            // request base info about the server
-            var msgInfo = _net.CreateNetMessage<MsgServerInfoReq>();
-            _net.ClientSendMessage(msgInfo);
+            _configManager.SyncWithServer();
+            _configManager.ReceivedInitialNwVars += OnReceivedClientData;
+        }
+
+        private void OnReceivedClientData(object? sender, EventArgs e)
+        {
+            _configManager.ReceivedInitialNwVars -= OnReceivedClientData;
+
+            var info = GameInfo;
+
+            var serverName = _configManager.GetCVar<string>("game.hostname");
+            if (info == null)
+            {
+                GameInfo = info = new ServerInfo(serverName);
+            }
+            else
+            {
+                info.ServerName = serverName;
+            }
+
+            var maxPlayers = _configManager.GetCVar<int>("game.maxplayers");
+            info.ServerMaxPlayers = maxPlayers;
+
+            var userName = _net.ServerChannel!.UserName;
+            var userId = _net.ServerChannel.UserId;
+            _discord.Update(info.ServerName, userName, info.ServerMaxPlayers.ToString());
+            // start up player management
+            _playMan.Startup();
+
+            _playMan.LocalPlayer!.UserId = userId;
+            _playMan.LocalPlayer.Name = userName;
+
+            _playMan.LocalPlayer.StatusChanged += OnLocalStatusChanged;
         }
 
         /// <summary>
@@ -113,12 +170,18 @@ namespace Robust.Client
             DebugTools.Assert(RunLevel < ClientRunLevel.Connected);
             OnRunLevelChanged(ClientRunLevel.Connected);
 
+            GameStartedSetup();
+
+            PlayerJoinedServer?.Invoke(this, new PlayerEventArgs(session));
+        }
+
+        private void GameStartedSetup()
+        {
             _entityManager.Startup();
             _mapManager.Startup();
 
             _timing.ResetSimTime();
             _timing.Paused = false;
-            PlayerJoinedServer?.Invoke(this, new PlayerEventArgs(session));
         }
 
         /// <summary>
@@ -135,6 +198,7 @@ namespace Robust.Client
 
         private void Reset()
         {
+            _configManager.ClearReceivedInitialNwVars();
             OnRunLevelChanged(ClientRunLevel.Initialize);
         }
 
@@ -151,51 +215,21 @@ namespace Robust.Client
             PlayerLeaveServer?.Invoke(this, new PlayerEventArgs(_playMan.LocalPlayer?.Session));
 
             LastDisconnectReason = args.Reason;
+            GameStoppedReset();
+        }
 
+        private void GameStoppedReset()
+        {
+            IoCManager.Resolve<INetConfigurationManager>().FlushMessages();
             _gameStates.Reset();
             _playMan.Shutdown();
+            IoCManager.Resolve<IEntityLookup>().Shutdown();
             _entityManager.Shutdown();
             _mapManager.Shutdown();
             _discord.ClearPresence();
             Reset();
         }
 
-        private void HandleServerInfo(MsgServerInfo msg)
-        {
-            var info = GameInfo;
-
-            if (info == null)
-            {
-                GameInfo = info = new ServerInfo(msg.ServerName);
-            }
-            else
-            {
-                info.ServerName = msg.ServerName;
-            }
-
-            info.ServerMaxPlayers = msg.ServerMaxPlayers;
-            info.TickRate = msg.TickRate;
-            _timing.TickRate = msg.TickRate;
-            Logger.InfoS("client", $"Tickrate changed to: {msg.TickRate}");
-
-            var userName = msg.MsgChannel.UserName;
-            var userId = msg.MsgChannel.UserId;
-            _discord.Update(info.ServerName, userName, info.ServerMaxPlayers.ToString());
-            // start up player management
-            _playMan.Startup(_net.ServerChannel!);
-
-            _playMan.LocalPlayer!.UserId = userId;
-            _playMan.LocalPlayer.Name = userName;
-
-            _playMan.LocalPlayer.StatusChanged += OnLocalStatusChanged;
-        }
-
-        private void HandleSetTickRate(MsgSetTickRate message)
-        {
-            _timing.TickRate = message.NewTickRate;
-            Logger.InfoS("client", $"Tickrate changed to: {message.NewTickRate} on tick {_timing.CurTick}");
-        }
-
         private void OnLocalStatusChanged(object? obj, StatusEventArgs eventArgs)
         {
             // player finished fully connecting to the server.
@@ -246,6 +280,11 @@ namespace Robust.Client
         ///     The client is now in the game, moving around.
         /// </summary>
         InGame,
+
+        /// <summary>
+        ///     The client is now in singleplayer mode, in-game.
+        /// </summary>
+        SinglePlayerGame,
     }
 
     /// <summary>

Robust.Client/ClientIoC.cs

@@ -1,49 +1,34 @@
-using System;
+using System;
 using Robust.Client.Audio.Midi;
 using Robust.Client.Console;
 using Robust.Client.Debugging;
 using Robust.Client.GameObjects;
 using Robust.Client.GameStates;
 using Robust.Client.Graphics;
-using Robust.Client.Graphics.ClientEye;
 using Robust.Client.Graphics.Clyde;
-using Robust.Client.Graphics.Lighting;
-using Robust.Client.Graphics.Overlays;
 using Robust.Client.Input;
-using Robust.Client.Interfaces;
-using Robust.Client.Interfaces.Debugging;
-using Robust.Client.Interfaces.GameObjects;
-using Robust.Client.Interfaces.GameStates;
-using Robust.Client.Interfaces.Graphics;
-using Robust.Client.Interfaces.Graphics.ClientEye;
-using Robust.Client.Interfaces.Graphics.Lighting;
-using Robust.Client.Interfaces.Graphics.Overlays;
-using Robust.Client.Interfaces.Input;
-using Robust.Client.Interfaces.Map;
-using Robust.Client.Interfaces.Placement;
-using Robust.Client.Interfaces.ResourceManagement;
-using Robust.Client.Interfaces.State;
-using Robust.Client.Interfaces.UserInterface;
-using Robust.Client.Interfaces.Utility;
 using Robust.Client.Map;
 using Robust.Client.Placement;
 using Robust.Client.Player;
+using Robust.Client.Prototypes;
 using Robust.Client.Reflection;
 using Robust.Client.ResourceManagement;
 using Robust.Client.State;
+using Robust.Client.Timing;
 using Robust.Client.UserInterface;
 using Robust.Client.Utility;
 using Robust.Client.ViewVariables;
 using Robust.Shared;
+using Robust.Shared.Console;
+using Robust.Shared.ContentPack;
 using Robust.Shared.GameObjects;
-using Robust.Shared.Interfaces.GameObjects;
-using Robust.Shared.Interfaces.Map;
-using Robust.Shared.Interfaces.Network;
-using Robust.Shared.Interfaces.Reflection;
-using Robust.Shared.Interfaces.Resources;
 using Robust.Shared.IoC;
+using Robust.Shared.Map;
 using Robust.Shared.Network;
+using Robust.Shared.Players;
 using Robust.Shared.Prototypes;
+using Robust.Shared.Reflection;
+using Robust.Shared.Timing;
 
 namespace Robust.Client
 {
@@ -53,8 +38,14 @@ namespace Robust.Client
         {
             SharedIoC.RegisterIoC();
 
-            IoCManager.Register<IPrototypeManager, PrototypeManager>();
+            IoCManager.Register<IGameTiming, ClientGameTiming>();
+            IoCManager.Register<IClientGameTiming, ClientGameTiming>();
+            IoCManager.Register<IPrototypeManager, ClientPrototypeManager>();
+            IoCManager.Register<IMapManager, ClientMapManager>();
+            IoCManager.Register<IMapManagerInternal, ClientMapManager>();
+            IoCManager.Register<IClientMapManager, ClientMapManager>();
             IoCManager.Register<IEntityManager, ClientEntityManager>();
+            IoCManager.Register<IEntityLookup, SharedEntityLookup>();
             IoCManager.Register<IComponentFactory, ClientComponentFactory>();
             IoCManager.Register<ITileDefinitionManager, ClydeTileDefinitionManager>();
             IoCManager.Register<IClydeTileDefinitionManager, ClydeTileDefinitionManager>();
@@ -67,10 +58,12 @@ namespace Robust.Client
             IoCManager.Register<IResourceCacheInternal, ResourceCache>();
             IoCManager.Register<IClientNetManager, NetManager>();
             IoCManager.Register<IClientEntityManager, ClientEntityManager>();
-            IoCManager.Register<IEntityNetworkManager, ClientEntityNetworkManager>();
+            IoCManager.Register<IClientEntityManagerInternal, ClientEntityManager>();
+            IoCManager.Register<IEntityNetworkManager, ClientEntityManager>();
             IoCManager.Register<IClientGameStateManager, ClientGameStateManager>();
             IoCManager.Register<IBaseClient, BaseClient>();
             IoCManager.Register<IPlayerManager, PlayerManager>();
+            IoCManager.Register<ISharedPlayerManager, PlayerManager>();
             IoCManager.Register<IStateManager, StateManager>();
             IoCManager.Register<IUserInterfaceManager, UserInterfaceManager>();
             IoCManager.Register<IUserInterfaceManagerInternal, UserInterfaceManager>();
@@ -78,10 +71,10 @@ namespace Robust.Client
             IoCManager.Register<IDebugDrawingManager, DebugDrawingManager>();
             IoCManager.Register<ILightManager, LightManager>();
             IoCManager.Register<IDiscordRichPresence, DiscordRichPresence>();
-            IoCManager.Register<IClientConsole, ClientConsole>();
-            IoCManager.Register<IFontManager, FontManager>();
-            IoCManager.Register<IFontManagerInternal, FontManager>();
+            IoCManager.Register<IClientConsoleHost, ClientConsoleHost>();
+            IoCManager.Register<IConsoleHost, ClientConsoleHost>();
             IoCManager.Register<IMidiManager, MidiManager>();
+            IoCManager.Register<IAuthManager, AuthManager>();
             switch (mode)
             {
                 case GameController.DisplayMode.Headless:
@@ -106,8 +99,9 @@ namespace Robust.Client
                     throw new ArgumentOutOfRangeException();
             }
 
+            IoCManager.Register<IFontManager, FontManager>();
+            IoCManager.Register<IFontManagerInternal, FontManager>();
             IoCManager.Register<IEyeManager, EyeManager>();
-
             IoCManager.Register<IPlacementManager, PlacementManager>();
             IoCManager.Register<IOverlayManager, OverlayManager>();
             IoCManager.Register<IOverlayManagerInternal, OverlayManager>();

Robust.Client/Console/ClientConsole.cs

@@ -1,243 +0,0 @@
-using System;
-using System.Collections.Generic;
-using Robust.Client.Interfaces.Console;
-using Robust.Client.Log;
-using Robust.Client.Utility;
-using Robust.Shared.Console;
-using Robust.Shared.Interfaces.Log;
-using Robust.Shared.Interfaces.Network;
-using Robust.Shared.Interfaces.Reflection;
-using Robust.Shared.IoC;
-using Robust.Shared.Log;
-using Robust.Shared.Maths;
-using Robust.Shared.Network;
-using Robust.Shared.Network.Messages;
-using Robust.Shared.Reflection;
-using Robust.Shared.Utility;
-
-namespace Robust.Client.Console
-{
-    public class AddStringArgs : EventArgs
-    {
-        public string Text { get; }
-        public Color Color { get; }
-
-        public AddStringArgs(string text, Color color)
-        {
-            Text = text;
-            Color = color;
-        }
-    }
-
-    public class AddFormattedMessageArgs : EventArgs
-    {
-        public readonly FormattedMessage Message;
-
-        public AddFormattedMessageArgs(FormattedMessage message)
-        {
-            Message = message;
-        }
-    }
-
-    internal sealed class ClientConsole : IClientConsole, IDebugConsole
-    {
-        private static readonly Color MsgColor = new Color(65, 105, 225);
-
-        [Dependency] private readonly IClientNetManager _network = default!;
-        [Dependency] private readonly IReflectionManager _reflectionManager = default!;
-        [Dependency] private readonly ILogManager logManager = default!;
-
-        private readonly Dictionary<string, IConsoleCommand> _commands = new Dictionary<string, IConsoleCommand>();
-        private bool _requestedCommands;
-
-        /// <inheritdoc />
-        public void Initialize()
-        {
-            _network.RegisterNetMessage<MsgConCmdReg>(MsgConCmdReg.NAME, HandleConCmdReg);
-            _network.RegisterNetMessage<MsgConCmdAck>(MsgConCmdAck.NAME, HandleConCmdAck);
-            _network.RegisterNetMessage<MsgConCmd>(MsgConCmd.NAME);
-
-            Reset();
-            logManager.RootSawmill.AddHandler(new DebugConsoleLogHandler(this));
-        }
-
-        /// <inheritdoc />
-        public void Reset()
-        {
-            _commands.Clear();
-            _requestedCommands = false;
-            _network.Connected += OnNetworkConnected;
-
-            InitializeCommands();
-            SendServerCommandRequest();
-        }
-
-        private void OnNetworkConnected(object? sender, NetChannelArgs netChannelArgs)
-        {
-            SendServerCommandRequest();
-        }
-
-        /// <inheritdoc />
-        public void Dispose()
-        {
-            // We don't have anything to dispose.
-        }
-
-        public IReadOnlyDictionary<string, IConsoleCommand> Commands => _commands;
-
-        public void AddLine(string text, Color color)
-        {
-            AddString?.Invoke(this, new AddStringArgs(text, color));
-        }
-
-        public void AddLine(string text)
-        {
-            AddLine(text, Color.White);
-        }
-
-        public void Clear()
-        {
-            ClearText?.Invoke(this, EventArgs.Empty);
-        }
-
-        public event EventHandler<AddStringArgs>? AddString;
-        public event EventHandler? ClearText;
-        public event EventHandler<AddFormattedMessageArgs>? AddFormatted;
-
-        private void HandleConCmdAck(MsgConCmdAck msg)
-        {
-            AddLine("< " + msg.Text, MsgColor);
-        }
-
-        private void HandleConCmdReg(MsgConCmdReg msg)
-        {
-            foreach (var cmd in msg.Commands)
-            {
-                var commandName = cmd.Name;
-
-                // Do not do duplicate commands.
-                if (_commands.ContainsKey(commandName))
-                {
-                    Logger.DebugS("console", $"Server sent console command {commandName}, but we already have one with the same name. Ignoring.");
-                    continue;
-                }
-
-                var command = new ServerDummyCommand(commandName, cmd.Help, cmd.Description);
-                _commands[commandName] = command;
-            }
-        }
-
-        /// <summary>
-        ///     Processes commands (chat messages starting with /)
-        /// </summary>
-        /// <param name="text">input text</param>
-        public void ProcessCommand(string text)
-        {
-            if (string.IsNullOrWhiteSpace(text))
-                return;
-
-            // echo the command locally
-            AddLine("> " + text, Color.Lime);
-
-            //Commands are processed locally and then sent to the server to be processed there again.
-            var args = new List<string>();
-
-            CommandParsing.ParseArguments(text, args);
-
-            var commandname = args[0];
-
-            var forward = true;
-            if (_commands.ContainsKey(commandname))
-            {
-                var command = _commands[commandname];
-                args.RemoveAt(0);
-                forward = command.Execute(this, args.ToArray());
-            }
-            else if (!_network.IsConnected)
-            {
-                AddLine("Unknown command: " + commandname, Color.Red);
-                return;
-            }
-
-            if (forward)
-                SendServerConsoleCommand(text);
-        }
-
-        /// <summary>
-        ///     Locates and registeres all local commands.
-        /// </summary>
-        private void InitializeCommands()
-        {
-            foreach (var t in _reflectionManager.GetAllChildren<IConsoleCommand>())
-            {
-                var instance = (IConsoleCommand)Activator.CreateInstance(t)!;
-                if (_commands.ContainsKey(instance.Command))
-                    throw new InvalidOperationException($"Command already registered: {instance.Command}");
-
-                _commands[instance.Command] = instance;
-            }
-        }
-
-        /// <summary>
-        ///     Requests remote commands from server.
-        /// </summary>
-        public void SendServerCommandRequest()
-        {
-            if (_requestedCommands)
-                return;
-
-            if (!_network.IsConnected)
-                return;
-
-            var msg = _network.CreateNetMessage<MsgConCmdReg>();
-            _network.ClientSendMessage(msg);
-
-            _requestedCommands = true;
-        }
-
-        /// <summary>
-        ///     Sends a command directly to the server.
-        /// </summary>
-        private void SendServerConsoleCommand(string text)
-        {
-            if (_network == null || !_network.IsConnected)
-                return;
-
-            var msg = _network.CreateNetMessage<MsgConCmd>();
-            msg.Text = text;
-            _network.ClientSendMessage(msg);
-        }
-
-        public void AddFormattedLine(FormattedMessage message)
-        {
-            // Why the hell does this class implement IDebugConsole.
-            AddFormatted?.Invoke(this, new AddFormattedMessageArgs(message));
-        }
-    }
-
-    /// <summary>
-    ///     These dummies are made purely so list and help can list server-side commands.
-    /// </summary>
-    [Reflect(false)]
-    internal class ServerDummyCommand : IConsoleCommand
-    {
-        internal ServerDummyCommand(string command, string help, string description)
-        {
-            Command = command;
-            Help = help;
-            Description = description;
-        }
-
-        public string Command { get; }
-
-        public string Help { get; }
-
-        public string Description { get; }
-
-        // Always forward to server.
-        public bool Execute(IDebugConsole console, params string[] args)
-        {
-            return true;
-        }
-    }
-}

Robust.Client/Console/ClientConsoleHost.cs

@@ -0,0 +1,218 @@
+using System;
+using System.Collections.Generic;
+using Robust.Client.Log;
+using Robust.Shared.Console;
+using Robust.Shared.Log;
+using Robust.Shared.Network;
+using Robust.Shared.Network.Messages;
+using Robust.Shared.Players;
+using Robust.Shared.Reflection;
+using Robust.Shared.Utility;
+
+namespace Robust.Client.Console
+{
+    public class AddStringArgs : EventArgs
+    {
+        public string Text { get; }
+
+        public bool Local { get; }
+
+        public bool Error { get; }
+
+        public AddStringArgs(string text, bool local, bool error)
+        {
+            Text = text;
+            Local = local;
+            Error = error;
+        }
+    }
+
+    public class AddFormattedMessageArgs : EventArgs
+    {
+        public readonly FormattedMessage Message;
+
+        public AddFormattedMessageArgs(FormattedMessage message)
+        {
+            Message = message;
+        }
+    }
+    
+    /// <inheritdoc cref="IClientConsoleHost" />
+    internal class ClientConsoleHost : ConsoleHost, IClientConsoleHost
+    {
+        private bool _requestedCommands;
+
+        /// <inheritdoc />
+        public void Initialize()
+        {
+            NetManager.RegisterNetMessage<MsgConCmdReg>(MsgConCmdReg.NAME, HandleConCmdReg);
+            NetManager.RegisterNetMessage<MsgConCmdAck>(MsgConCmdAck.NAME, HandleConCmdAck);
+            NetManager.RegisterNetMessage<MsgConCmd>(MsgConCmd.NAME, ProcessCommand);
+
+            Reset();
+            LogManager.RootSawmill.AddHandler(new DebugConsoleLogHandler(this));
+        }
+
+        private void ProcessCommand(MsgConCmd message)
+        {
+            string? text = message.Text;
+            LogManager.GetSawmill(SawmillName).Info($"SERVER:{text}");
+
+            ExecuteCommand(null, text);
+        }
+
+        /// <inheritdoc />
+        public void Reset()
+        {
+            AvailableCommands.Clear();
+            _requestedCommands = false;
+            NetManager.Connected += OnNetworkConnected;
+
+            LoadConsoleCommands();
+            SendServerCommandRequest();
+        }
+
+        /// <inheritdoc />
+        public event EventHandler<AddStringArgs>? AddString;
+
+        /// <inheritdoc />
+        public event EventHandler<AddFormattedMessageArgs>? AddFormatted;
+
+        /// <inheritdoc />
+        public void AddFormattedLine(FormattedMessage message)
+        {
+            AddFormatted?.Invoke(this, new AddFormattedMessageArgs(message));
+        }
+
+        /// <inheritdoc />
+        public override void WriteError(ICommonSession? session, string text)
+        {
+            OutputText(text, true, true);
+        }
+
+        /// <inheritdoc />
+        public override void ExecuteCommand(ICommonSession? session, string command)
+        {
+            if (string.IsNullOrWhiteSpace(command))
+                return;
+
+            // echo the command locally
+            WriteError(null, "> " + command);
+
+            //Commands are processed locally and then sent to the server to be processed there again.
+            var args = new List<string>();
+
+            CommandParsing.ParseArguments(command, args);
+
+            var commandName = args[0];
+
+            if (AvailableCommands.ContainsKey(commandName))
+            {
+                var command1 = AvailableCommands[commandName];
+                args.RemoveAt(0);
+                command1.Execute(new ConsoleShell(this, null), command, args.ToArray());
+            }
+            else
+                WriteError(null, "Unknown command: " + commandName);
+        }
+
+        /// <inheritdoc />
+        public override void RemoteExecuteCommand(ICommonSession? session, string command)
+        {
+            if (!NetManager.IsConnected) // we don't care about session on client
+                return;
+
+            var msg = NetManager.CreateNetMessage<MsgConCmd>();
+            msg.Text = command;
+            NetManager.ClientSendMessage(msg);
+        }
+
+        /// <inheritdoc />
+        public override void WriteLine(ICommonSession? session, string text)
+        {
+            OutputText(text, true, false);
+        }
+
+        /// <inheritdoc />
+        public void Dispose()
+        {
+            // We don't have anything to dispose.
+        }
+
+        private void OutputText(string text, bool local, bool error)
+        {
+            AddString?.Invoke(this, new AddStringArgs(text, local, error));
+        }
+
+        private void OnNetworkConnected(object? sender, NetChannelArgs netChannelArgs)
+        {
+            SendServerCommandRequest();
+        }
+
+        private void HandleConCmdAck(MsgConCmdAck msg)
+        {
+            OutputText("< " + msg.Text, false, msg.Error);
+        }
+
+        private void HandleConCmdReg(MsgConCmdReg msg)
+        {
+            foreach (var cmd in msg.Commands)
+            {
+                string? commandName = cmd.Name;
+
+                // Do not do duplicate commands.
+                if (AvailableCommands.ContainsKey(commandName))
+                {
+                    Logger.DebugS("console", $"Server sent console command {commandName}, but we already have one with the same name. Ignoring.");
+                    continue;
+                }
+
+                var command = new ServerDummyCommand(commandName, cmd.Help, cmd.Description);
+                AvailableCommands[commandName] = command;
+            }
+        }
+
+        /// <summary>
+        /// Requests remote commands from server.
+        /// </summary>
+        private void SendServerCommandRequest()
+        {
+            if (_requestedCommands)
+                return;
+
+            if (!NetManager.IsConnected)
+                return;
+
+            var msg = NetManager.CreateNetMessage<MsgConCmdReg>();
+            NetManager.ClientSendMessage(msg);
+
+            _requestedCommands = true;
+        }
+    }
+
+    /// <summary>
+    /// These dummies are made purely so list and help can list server-side commands.
+    /// </summary>
+    [Reflect(false)]
+    internal class ServerDummyCommand : IConsoleCommand
+    {
+        internal ServerDummyCommand(string command, string help, string description)
+        {
+            Command = command;
+            Help = help;
+            Description = description;
+        }
+
+        public string Command { get; }
+
+        public string Description { get; }
+
+        public string Help { get; }
+
+        // Always forward to server.
+        public void Execute(IConsoleShell shell, string argStr, string[] args)
+        {
+            shell.RemoteExecuteCommand(argStr);
+        }
+    }
+}

Robust.Client/Console/Commands/AddCompCommand.cs

@@ -1,24 +1,23 @@
-using JetBrains.Annotations;
-using Robust.Server.Interfaces.Console;
-using Robust.Server.Interfaces.Player;
+using JetBrains.Annotations;
+using Robust.Shared.Console;
 using Robust.Shared.GameObjects;
-using Robust.Shared.Interfaces.GameObjects;
 using Robust.Shared.IoC;
 
-namespace Robust.Server.Console.Commands
+namespace Robust.Client.Console.Commands
 {
     [UsedImplicitly]
-    internal sealed class AddCompCommand : IClientCommand
+    internal sealed class AddCompCommand : IConsoleCommand
     {
-        public string Command => "addcomp";
-        public string Description => "Adds a component to an entity";
-        public string Help => "addcomp <uid> <componentName>";
+        public string Command => "addcompc";
+        public string Description => "Adds a component to an entity on the client";
+        public string Help => "addcompc <uid> <componentName>";
 
-        public void Execute(IConsoleShell shell, IPlayerSession? player, string[] args)
+        public void Execute(IConsoleShell shell, string argStr, string[] args)
         {
+
             if (args.Length != 2)
             {
-                shell.SendText(player, "Wrong number of arguments");
+                shell.WriteLine("Wrong number of arguments");
                 return;
             }
 
@@ -38,16 +37,18 @@ namespace Robust.Server.Console.Commands
         }
     }
 
-    internal sealed class RemoveCompCommand : IClientCommand
+    [UsedImplicitly]
+    internal sealed class RemoveCompCommand : IConsoleCommand
     {
-        public string Command => "rmcomp";
+        public string Command => "rmcompc";
         public string Description => "Removes a component from an entity.";
-        public string Help => "rmcomp <uid> <componentName>";
-        public void Execute(IConsoleShell shell, IPlayerSession? player, string[] args)
+        public string Help => "rmcompc <uid> <componentName>";
+
+        public void Execute(IConsoleShell shell, string argStr, string[] args)
         {
             if (args.Length != 2)
             {
-                shell.SendText(player, "Wrong number of arguments");
+                shell.WriteLine("Wrong number of arguments");
                 return;
             }
 

Robust.Client/Console/Commands/ClientSpawnCommand.cs

@@ -1,7 +1,7 @@
 using JetBrains.Annotations;
-using Robust.Client.Interfaces.Console;
 using Robust.Client.Player;
-using Robust.Shared.Interfaces.GameObjects;
+using Robust.Shared.Console;
+using Robust.Shared.GameObjects;
 using Robust.Shared.IoC;
 
 namespace Robust.Client.Console.Commands
@@ -13,18 +13,17 @@ namespace Robust.Client.Console.Commands
         public string Description => "Spawns a client-side entity with specific type at your feet.";
         public string Help => "cspawn <entity type>";
 
-        public bool Execute(IDebugConsole console, params string[] args)
+        public void Execute(IConsoleShell shell, string argStr, string[] args)
         {
             var player = IoCManager.Resolve<IPlayerManager>().LocalPlayer;
             if (player?.ControlledEntity == null)
             {
-                console.AddLine("You don't have an attached entity.");
-                return false;
+                shell.WriteLine("You don't have an attached entity.");
+                return;
             }
 
             var entityManager = IoCManager.Resolve<IEntityManager>();
             entityManager.SpawnEntity(args[0], player.ControlledEntity.Transform.Coordinates);
-            return false;
         }
     }
 }

Robust.Client/Console/Commands/ConfigurationCommands.cs

@@ -1,23 +1,21 @@
 using System;
 using System.Linq;
 using JetBrains.Annotations;
-using Robust.Client.Interfaces.Console;
 using Robust.Shared.Configuration;
-using Robust.Shared.Interfaces.Configuration;
+using Robust.Shared.Console;
 using Robust.Shared.IoC;
-using Robust.Shared.Maths;
 
 namespace Robust.Client.Console.Commands
 {
     [UsedImplicitly]
     internal sealed class CVarCommand : SharedCVarCommand, IConsoleCommand
     {
-        public bool Execute(IDebugConsole console, params string[] args)
+        public override void Execute(IConsoleShell shell, string argStr, string[] args)
         {
             if (args.Length < 1 || args.Length > 2)
             {
-                console.AddLine("Must provide exactly one or two arguments.", Color.Red);
-                return false;
+                shell.WriteError("Must provide exactly one or two arguments.");
+                return;
             }
 
             var configManager = IoCManager.Resolve<IConfigurationManager>();
@@ -26,21 +24,21 @@ namespace Robust.Client.Console.Commands
             if (name == "?")
             {
                 var cvars = configManager.GetRegisteredCVars().OrderBy(c => c);
-                console.AddLine(string.Join("\n", cvars));
-                return false;
+                shell.WriteLine(string.Join("\n", cvars));
+                return;
             }
 
             if (!configManager.IsCVarRegistered(name))
             {
-                console.AddLine($"CVar '{name}' is not registered. Use 'cvar ?' to get a list of all registered CVars.", Color.Red);
-                return false;
+                shell.WriteError($"CVar '{name}' is not registered. Use 'cvar ?' to get a list of all registered CVars.");
+                return;
             }
 
             if (args.Length == 1)
             {
                 // Read CVar
                 var value = configManager.GetCVar<object>(name);
-                console.AddLine(value.ToString() ?? "");
+                shell.WriteLine(value.ToString() ?? "");
             }
             else
             {
@@ -54,11 +52,9 @@ namespace Robust.Client.Console.Commands
                 }
                 catch (FormatException)
                 {
-                    console.AddLine($"Input value is in incorrect format for type {type}");
+                    shell.WriteLine($"Input value is in incorrect format for type {type}");
                 }
             }
-
-            return false;
         }
     }
 
@@ -69,10 +65,9 @@ namespace Robust.Client.Console.Commands
         public string Description => "Saves the client configuration to the config file";
         public string Help => "saveconfig";
 
-        public bool Execute(IDebugConsole console, params string[] args)
+        public void Execute(IConsoleShell shell, string argStr, string[] args)
         {
             IoCManager.Resolve<IConfigurationManager>().SaveToFile();
-            return false;
         }
     }
 

Robust.Client/Console/Commands/ConsoleCommands.cs

@@ -1,13 +1,8 @@
-// This file is for commands that do something to the console itself.
+// This file is for commands that do something to the console itself.
 // Not some generic console command type.
 // Couldn't think of a better name sorry.
 
-using System;
-using Robust.Client.Interfaces.Console;
 using Robust.Shared.Console;
-using Robust.Shared.Interfaces.Random;
-using Robust.Shared.IoC;
-using Robust.Shared.Maths;
 
 namespace Robust.Client.Console.Commands
 {
@@ -17,10 +12,9 @@ namespace Robust.Client.Console.Commands
         public string Help => "Clears the debug console of all messages.";
         public string Description => "Clears the console.";
 
-        public bool Execute(IDebugConsole console, params string[] args)
+        public void Execute(IConsoleShell shell, string argStr, string[] args)
         {
-            console.Clear();
-            return false;
+            shell.Clear();
         }
     }
 
@@ -30,15 +24,12 @@ namespace Robust.Client.Console.Commands
         public string Help => "Fills the console with some nonsense for debugging.";
         public string Description => "Fill up the console for debugging.";
 
-        public bool Execute(IDebugConsole console, params string[] args)
+        public void Execute(IConsoleShell shell, string argStr, string[] args)
         {
-            Color[] colors = { Color.Green, Color.Blue, Color.Red };
-            var random = IoCManager.Resolve<IRobustRandom>();
             for (int x = 0; x < 50; x++)
             {
-                console.AddLine("filling...", colors[random.Next(0, colors.Length)]);
+                shell.WriteLine("filling...");
             }
-            return false;
         }
     }
 }

Robust.Client/Console/Commands/Debug.cs

@@ -6,37 +6,24 @@ using System.IO;
 using System.Linq;
 using System.Reflection;
 using System.Runtime;
-using System.Runtime.InteropServices;
 using System.Text;
 using System.Text.RegularExpressions;
 using Robust.Client.Input;
-using System.Threading;
-using Robust.Client.Interfaces;
-using Robust.Client.Interfaces.Console;
-using Robust.Client.Interfaces.Debugging;
-using Robust.Client.Interfaces.Graphics;
-using Robust.Client.Interfaces.Graphics.ClientEye;
-using Robust.Client.Interfaces.Graphics.Lighting;
-using Robust.Client.Interfaces.Input;
-using Robust.Client.Interfaces.ResourceManagement;
-using Robust.Client.Interfaces.State;
-using Robust.Client.Interfaces.UserInterface;
-using Robust.Client.ResourceManagement.ResourceTypes;
+using Robust.Client.Debugging;
+using Robust.Client.Graphics;
+using Robust.Client.ResourceManagement;
 using Robust.Client.UserInterface;
 using Robust.Client.UserInterface.Controls;
 using Robust.Client.UserInterface.CustomControls;
 using Robust.Shared.Asynchronous;
+using Robust.Shared.Console;
 using Robust.Shared.ContentPack;
 using Robust.Shared.GameObjects;
-using Robust.Shared.GameObjects.Components.Transform;
-using Robust.Shared.Interfaces.GameObjects;
-using Robust.Shared.Interfaces.Map;
-using Robust.Shared.Interfaces.Network;
-using Robust.Shared.Interfaces.Reflection;
-using Robust.Shared.Interfaces.Resources;
 using Robust.Shared.IoC;
 using Robust.Shared.Map;
 using Robust.Shared.Maths;
+using Robust.Shared.Network;
+using Robust.Shared.Reflection;
 using Robust.Shared.Serialization;
 using Robust.Shared.Utility;
 using Robust.Shared.ViewVariables;
@@ -49,16 +36,14 @@ namespace Robust.Client.Console.Commands
         public string Help => "Dump entity list";
         public string Description => "Dumps entity list of UIDs and prototype.";
 
-        public bool Execute(IDebugConsole console, params string[] args)
+        public void Execute(IConsoleShell shell, string argStr, string[] args)
         {
             var entityManager = IoCManager.Resolve<IEntityManager>();
 
             foreach (var e in entityManager.GetEntities().OrderBy(e => e.Uid))
             {
-                console.AddLine($"entity {e.Uid}, {e.Prototype?.ID}, {e.Transform.Coordinates}.", Color.White);
+                shell.WriteLine($"entity {e.Uid}, {e.Prototype?.ID}, {e.Transform.Coordinates}.");
             }
-
-            return false;
         }
     }
 
@@ -68,12 +53,12 @@ namespace Robust.Client.Console.Commands
         public string Help => "Usage: getcomponentregistration <componentName>";
         public string Description => "Gets component registration information";
 
-        public bool Execute(IDebugConsole console, params string[] args)
+        public void Execute(IConsoleShell shell, string argStr, string[] args)
         {
             if (args.Length < 1)
             {
-                console.AddLine(Help);
-                return false;
+                shell.WriteLine(Help);
+                return;
             }
 
             var componentFactory = IoCManager.Resolve<IComponentFactory>();
@@ -94,19 +79,17 @@ namespace Robust.Client.Console.Commands
 
                 message.Append($", NSE: {registration.NetworkSynchronizeExistence}, references:");
 
-                console.AddLine(message.ToString(), Color.White);
+                shell.WriteLine(message.ToString());
 
                 foreach (var type in registration.References)
                 {
-                    console.AddLine($"  {type}", Color.White);
+                    shell.WriteLine($"  {type}");
                 }
             }
             catch (UnknownComponentException)
             {
-                console.AddLine($"No registration found for '{args[0]}'", Color.Red);
+                shell.WriteError($"No registration found for '{args[0]}'");
             }
-
-            return false;
         }
     }
 
@@ -119,14 +102,14 @@ namespace Robust.Client.Console.Commands
 
         public string Description => "Toggles a debug monitor in the F3 menu.";
 
-        public bool Execute(IDebugConsole console, params string[] args)
+        public void Execute(IConsoleShell shell, string argStr, string[] args)
         {
             var monitor = IoCManager.Resolve<IUserInterfaceManager>().DebugMonitors;
 
             if (args.Length != 1)
             {
-                console.AddLine(Help);
-                return false;
+                shell.WriteLine(Help);
+                return;
             }
 
             switch (args[0])
@@ -159,11 +142,9 @@ namespace Robust.Client.Console.Commands
                     monitor.ShowInput ^= true;
                     break;
                 default:
-                    console.AddLine($"Invalid key: {args[0]}");
+                    shell.WriteLine($"Invalid key: {args[0]}");
                     break;
             }
-
-            return false;
         }
     }
 
@@ -173,7 +154,7 @@ namespace Robust.Client.Console.Commands
         public string Help => "Throws an exception";
         public string Description => "Throws an exception";
 
-        public bool Execute(IDebugConsole console, params string[] args)
+        public void Execute(IConsoleShell shell, string argStr, string[] args)
         {
             throw new InvalidOperationException("Fuck");
         }
@@ -185,11 +166,10 @@ namespace Robust.Client.Console.Commands
         public string Help => "";
         public string Description => "Enables debug drawing over all bounding boxes in the game, showing their size.";
 
-        public bool Execute(IDebugConsole console, params string[] args)
+        public void Execute(IConsoleShell shell, string argStr, string[] args)
         {
             var mgr = IoCManager.Resolve<IDebugDrawing>();
             mgr.DebugColliders = !mgr.DebugColliders;
-            return false;
         }
     }
 
@@ -199,11 +179,10 @@ namespace Robust.Client.Console.Commands
         public string Help => "";
         public string Description => "Enables debug drawing over all entity positions in the game.";
 
-        public bool Execute(IDebugConsole console, params string[] args)
+        public void Execute(IConsoleShell shell, string argStr, string[] args)
         {
             var mgr = IoCManager.Resolve<IDebugDrawing>();
             mgr.DebugPositions = !mgr.DebugPositions;
-            return false;
         }
     }
 
@@ -213,25 +192,24 @@ namespace Robust.Client.Console.Commands
         public string Help => "Usage: showrays <raylifetime>";
         public string Description => "Toggles debug drawing of physics rays. An integer for <raylifetime> must be provided";
 
-        public bool Execute(IDebugConsole console, params string[] args)
+        public void Execute(IConsoleShell shell, string argStr, string[] args)
         {
             if (args.Length != 1)
             {
-                console.AddLine(Help);
-                return false;
+                shell.WriteLine(Help);
+                return;
             }
 
             if (!int.TryParse(args[0], out var id))
             {
-                console.AddLine($"{args[0]} is not a valid integer.",Color.Red);
-                return false;
+                shell.WriteError($"{args[0]} is not a valid integer.");
+                return;
             }
 
             var mgr = IoCManager.Resolve<IDebugDrawingManager>();
             mgr.DebugDrawRays = !mgr.DebugDrawRays;
-            console.AddLine("Toggled showing rays to:" + mgr.DebugDrawRays.ToString(), Color.Green);
+            shell.WriteError("Toggled showing rays to:" + mgr.DebugDrawRays.ToString());
             mgr.DebugRayLifetime = TimeSpan.FromSeconds((double)int.Parse(args[0], CultureInfo.InvariantCulture));
-            return false;
         }
     }
 
@@ -241,10 +219,9 @@ namespace Robust.Client.Console.Commands
         public string Help => "";
         public string Description => "Immediately disconnect from the server and go back to the main menu.";
 
-        public bool Execute(IDebugConsole console, params string[] args)
+        public void Execute(IConsoleShell shell, string argStr, string[] args)
         {
             IoCManager.Resolve<IClientNetManager>().ClientDisconnect("Disconnect command used.");
-            return false;
         }
     }
 
@@ -257,33 +234,33 @@ namespace Robust.Client.Console.Commands
 
         public string Description => "Displays verbose diagnostics for an entity.";
 
-        public bool Execute(IDebugConsole console, params string[] args)
+        public void Execute(IConsoleShell shell, string argStr, string[] args)
         {
             if (args.Length != 1)
             {
-                console.AddLine(Help);
-                return false;
+                shell.WriteLine(Help);
+                return;
             }
 
             if ((!new Regex(@"^c?[0-9]+$").IsMatch(args[0])))
             {
-                console.AddLine("Malformed UID", Color.Red);
-                return false;
+                shell.WriteError("Malformed UID");
+                return;
             }
 
             var uid = EntityUid.Parse(args[0]);
             var entmgr = IoCManager.Resolve<IEntityManager>();
             if (!entmgr.TryGetEntity(uid, out var entity))
             {
-                console.AddLine("That entity does not exist. Sorry lad.", Color.Red);
-                return false;
+                shell.WriteError("That entity does not exist. Sorry lad.");
+                return;
             }
 
-            console.AddLine($"{entity.Uid}: {entity.Prototype?.ID}/{entity.Name}");
-            console.AddLine($"init/del/lmt: {entity.Initialized}/{entity.Deleted}/{entity.LastModifiedTick}");
+            shell.WriteLine($"{entity.Uid}: {entity.Prototype?.ID}/{entity.Name}");
+            shell.WriteLine($"init/del/lmt: {entity.Initialized}/{entity.Deleted}/{entity.LastModifiedTick}");
             foreach (var component in entity.GetAllComponents())
             {
-                console.AddLine(component.ToString() ?? "");
+                shell.WriteLine(component.ToString() ?? "");
                 if (component is IComponentDebug debug)
                 {
                     foreach (var line in debug.GetDebugString().Split('\n'))
@@ -293,12 +270,10 @@ namespace Robust.Client.Console.Commands
                             continue;
                         }
 
-                        console.AddLine("\t" + line);
+                        shell.WriteLine("\t" + line);
                     }
                 }
             }
-
-            return false;
         }
     }
 
@@ -308,12 +283,12 @@ namespace Robust.Client.Console.Commands
         public string Help => "sggcell <gridID> <vector2i> [offset]\nThat vector2i param is in the form x<int>,y<int>.";
         public string Description => "Lists entities on a snap grid cell.";
 
-        public bool Execute(IDebugConsole console, params string[] args)
+        public void Execute(IConsoleShell shell, string argStr, string[] args)
         {
             if (args.Length != 2 && args.Length != 3)
             {
-                console.AddLine(Help);
-                return false;
+                shell.WriteLine(Help);
+                return;
             }
 
             string gridId = args[0];
@@ -322,14 +297,14 @@ namespace Robust.Client.Console.Commands
 
             if (!int.TryParse(args[0], out var id))
             {
-                console.AddLine($"{args[0]} is not a valid integer.",Color.Red);
-                return false;
+                shell.WriteError($"{args[0]} is not a valid integer.");
+                return;
             }
 
             if (!new Regex(@"^-?[0-9]+,-?[0-9]+$").IsMatch(indices))
             {
-                console.AddLine("mapIndicies must be of form x<int>,y<int>", Color.Red);
-                return false;
+                shell.WriteError("mapIndicies must be of form x<int>,y<int>");
+                return;
             }
 
             SnapGridOffset selectedOffset;
@@ -339,8 +314,8 @@ namespace Robust.Client.Console.Commands
             }
             else
             {
-                console.AddLine("given offset type is not defined", Color.Red);
-                return false;
+                shell.WriteError("given offset type is not defined");
+                return;
             }
 
             var mapMan = IoCManager.Resolve<IMapManager>();
@@ -354,16 +329,13 @@ namespace Robust.Client.Console.Commands
                             int.Parse(indices.Split(',')[1], CultureInfo.InvariantCulture)),
                         selectedOffset))
                 {
-                    console.AddLine(entity.Owner.Uid.ToString());
+                    shell.WriteLine(entity.Owner.Uid.ToString());
                 }
             }
             else
             {
-                console.AddLine("grid does not exist", Color.Red);
-                return false;
+                shell.WriteError("grid does not exist");
             }
-
-            return false;
         }
     }
 
@@ -373,19 +345,17 @@ namespace Robust.Client.Console.Commands
         public string Description => "Changes the name used when attempting to connect to the server.";
         public string Help => Command + " <name>";
 
-        public bool Execute(IDebugConsole console, params string[] args)
+        public void Execute(IConsoleShell shell, string argStr, string[] args)
         {
             if (args.Length < 1)
             {
-                console.AddLine(Help);
-                return false;
+                shell.WriteLine(Help);
+                return;
             }
             var client = IoCManager.Resolve<IBaseClient>();
             client.PlayerNameOverride = args[0];
 
-            console.AddLine($"Overriding player name to \"{args[0]}\".", Color.White);
-
-            return false;
+            shell.WriteLine($"Overriding player name to \"{args[0]}\".");
         }
     }
 
@@ -395,12 +365,12 @@ namespace Robust.Client.Console.Commands
         public string Description => "Pre-caches a resource.";
         public string Help => "ldrsc <path> <type>";
 
-        public bool Execute(IDebugConsole console, params string[] args)
+        public void Execute(IConsoleShell shell, string argStr, string[] args)
         {
             if (args.Length < 2)
             {
-                console.AddLine(Help);
-                return false;
+                shell.WriteLine(Help);
+                return;
             }
             var resourceCache = IoCManager.Resolve<IResourceCache>();
             var reflection = IoCManager.Resolve<IReflectionManager>();
@@ -412,8 +382,8 @@ namespace Robust.Client.Console.Commands
             }
             catch(ArgumentException)
             {
-                console.AddLine("Unable to find type", Color.Red);
-                return false;
+                shell.WriteError("Unable to find type");
+                return;
             }
 
             var getResourceMethod =
@@ -423,7 +393,6 @@ namespace Robust.Client.Console.Commands
             DebugTools.Assert(getResourceMethod != null);
             var generic = getResourceMethod!.MakeGenericMethod(type);
             generic.Invoke(resourceCache, new object[] { args[0], true });
-            return false;
         }
     }
 
@@ -433,12 +402,12 @@ namespace Robust.Client.Console.Commands
         public string Description => "Reloads a resource.";
         public string Help => "rldrsc <path> <type>";
 
-        public bool Execute(IDebugConsole console, params string[] args)
+        public void Execute(IConsoleShell shell, string argStr, string[] args)
         {
             if (args.Length < 2)
             {
-                console.AddLine(Help);
-                return false;
+                shell.WriteLine(Help);
+                return;
             }
             var resourceCache = IoCManager.Resolve<IResourceCache>();
             var reflection = IoCManager.Resolve<IReflectionManager>();
@@ -450,15 +419,14 @@ namespace Robust.Client.Console.Commands
             }
             catch(ArgumentException)
             {
-                console.AddLine("Unable to find type", Color.Red);
-                return false;
+                shell.WriteError("Unable to find type");
+                return;
             }
 
             var getResourceMethod = resourceCache.GetType().GetMethod("ReloadResource", new[] { typeof(string) });
             DebugTools.Assert(getResourceMethod != null);
             var generic = getResourceMethod!.MakeGenericMethod(type);
             generic.Invoke(resourceCache, new object[] { args[0] });
-            return false;
         }
     }
 
@@ -468,18 +436,18 @@ namespace Robust.Client.Console.Commands
         public string Description => "Gets the tile count of a grid";
         public string Help => "Usage: gridtc <gridId>";
 
-        public bool Execute(IDebugConsole console, params string[] args)
+        public void Execute(IConsoleShell shell, string argStr, string[] args)
         {
             if (args.Length != 1)
             {
-                console.AddLine(Help);
-                return false;
+                shell.WriteLine(Help);
+                return;
             }
 
             if (!int.TryParse(args[0], out var id))
             {
-                console.AddLine($"{args[0]} is not a valid integer.");
-                return false;
+                shell.WriteLine($"{args[0]} is not a valid integer.");
+                return;
             }
 
             var gridId = new GridId(int.Parse(args[0]));
@@ -487,13 +455,11 @@ namespace Robust.Client.Console.Commands
 
             if (mapManager.TryGetGrid(gridId, out var grid))
             {
-                console.AddLine(mapManager.GetGrid(gridId).GetAllTiles().Count().ToString());
-                return false;
+                shell.WriteLine(mapManager.GetGrid(gridId).GetAllTiles().Count().ToString());
             }
             else
             {
-                console.AddLine($"No grid exists with id {id}",Color.Red);
-                return false;
+                shell.WriteError($"No grid exists with id {id}");
             }
         }
     }
@@ -504,7 +470,7 @@ namespace Robust.Client.Console.Commands
         public string Description => "Dump GUI tree to /guidump.txt in user data.";
         public string Help => "guidump";
 
-        public bool Execute(IDebugConsole console, params string[] args)
+        public void Execute(IConsoleShell shell, string argStr, string[] args)
         {
             var root = IoCManager.Resolve<IUserInterfaceManager>().RootControl;
             var res = IoCManager.Resolve<IResourceManager>();
@@ -515,7 +481,7 @@ namespace Robust.Client.Console.Commands
                 _writeNode(root, 0, writer);
             }
 
-            return false;
+            shell.WriteLine("Saved guidump");
         }
 
         private static void _writeNode(Control control, int indents, TextWriter writer)
@@ -575,9 +541,9 @@ namespace Robust.Client.Console.Commands
         public string Description => "Open a dummy UI testing window";
         public string Help => "uitest";
 
-        public bool Execute(IDebugConsole console, params string[] args)
+        public void Execute(IConsoleShell shell, string argStr, string[] args)
         {
-            var window = new SS14Window { CustomMinimumSize = (500, 400)};
+            var window = new SS14Window { MinSize = (500, 400)};
             var tabContainer = new TabContainer();
             window.Contents.AddChild(tabContainer);
             var scroll = new ScrollContainer();
@@ -597,7 +563,7 @@ namespace Robust.Client.Console.Commands
             optionButton.OnItemSelected += eventArgs => optionButton.SelectId(eventArgs.Id);
             vBox.AddChild(optionButton);
 
-            var tree = new Tree { SizeFlagsVertical = Control.SizeFlags.FillExpand };
+            var tree = new Tree { VerticalExpand = true };
             var root = tree.CreateItem();
             root.Text = "Honk!";
             var child = tree.CreateItem();
@@ -634,7 +600,7 @@ namespace Robust.Client.Console.Commands
                 {
                     grid.AddChild(new Button
                     {
-                        CustomMinimumSize = (50, 50),
+                        MinSize = (50, 50),
                         Text = $"{x}, {y}"
                     });
                 }
@@ -666,9 +632,30 @@ namespace Robust.Client.Console.Commands
                 }
             });
 
-            window.OpenCentered();
+            tabContainer.AddChild(new HSplitContainer
+            {
+                Children =
+                {
+                    new PanelContainer
+                    {
+                        PanelOverride = new StyleBoxFlat {BackgroundColor = Color.Red},
+                        Children =
+                        {
+                            new Label{  Text = "FOOBARBAZ"},
+                        }
+                    },
+                    new PanelContainer
+                    {
+                        PanelOverride = new StyleBoxFlat {BackgroundColor = Color.Blue},
+                        Children =
+                        {
+                            new Label{  Text = "FOOBARBAZ"},
+                        }
+                    },
+                }
+            });
 
-            return false;
+            window.OpenCentered();
         }
     }
 
@@ -678,11 +665,10 @@ namespace Robust.Client.Console.Commands
         public string Description => "Sets the system clipboard";
         public string Help => "setclipboard <text>";
 
-        public bool Execute(IDebugConsole console, params string[] args)
+        public void Execute(IConsoleShell shell, string argStr, string[] args)
         {
             var mgr = IoCManager.Resolve<IClipboardManager>();
             mgr.SetText(args[0]);
-            return false;
         }
     }
 
@@ -692,11 +678,10 @@ namespace Robust.Client.Console.Commands
         public string Description => "Gets the system clipboard";
         public string Help => "getclipboard";
 
-        public bool Execute(IDebugConsole console, params string[] args)
+        public void Execute(IConsoleShell shell, string argStr, string[] args)
         {
             var mgr = IoCManager.Resolve<IClipboardManager>();
-            console.AddLine(mgr.GetText());
-            return false;
+            shell.WriteLine(mgr.GetText());
         }
     }
 
@@ -706,11 +691,11 @@ namespace Robust.Client.Console.Commands
         public string Description => "Toggles light rendering.";
         public string Help => "togglelight";
 
-        public bool Execute(IDebugConsole console, params string[] args)
+        public void Execute(IConsoleShell shell, string argStr, string[] args)
         {
             var mgr = IoCManager.Resolve<ILightManager>();
-            mgr.Enabled = !mgr.Enabled;
-            return false;
+            if (!mgr.LockConsoleAccess)
+                mgr.Enabled = !mgr.Enabled;
         }
     }
 
@@ -720,12 +705,11 @@ namespace Robust.Client.Console.Commands
         public string Description => "Toggles fov for client.";
         public string Help => "togglefov";
 
-        public bool Execute(IDebugConsole console, params string[] args)
+        public void Execute(IConsoleShell shell, string argStr, string[] args)
         {
           var mgr = IoCManager.Resolve<IEyeManager>();
           if (mgr.CurrentEye != null)
               mgr.CurrentEye.DrawFov = !mgr.CurrentEye.DrawFov;
-          return false;
         }
     }
 
@@ -735,11 +719,11 @@ namespace Robust.Client.Console.Commands
         public string Description => "Toggles hard fov for client (for debugging space-station-14#2353).";
         public string Help => "togglehardfov";
 
-        public bool Execute(IDebugConsole console, params string[] args)
+        public void Execute(IConsoleShell shell, string argStr, string[] args)
         {
             var mgr = IoCManager.Resolve<ILightManager>();
-            mgr.DrawHardFov = !mgr.DrawHardFov;
-            return false;
+            if (!mgr.LockConsoleAccess)
+                mgr.DrawHardFov = !mgr.DrawHardFov;
         }
     }
 
@@ -749,11 +733,24 @@ namespace Robust.Client.Console.Commands
         public string Description => "Toggles shadow rendering.";
         public string Help => "toggleshadows";
 
-        public bool Execute(IDebugConsole console, params string[] args)
+        public void Execute(IConsoleShell shell, string argStr, string[] args)
         {
             var mgr = IoCManager.Resolve<ILightManager>();
-            mgr.DrawShadows = !mgr.DrawShadows;
-            return false;
+            if (!mgr.LockConsoleAccess)
+                mgr.DrawShadows = !mgr.DrawShadows;
+        }
+    }
+    internal class ToggleLightBuf : IConsoleCommand
+    {
+        public string Command => "togglelightbuf";
+        public string Description => "Toggles lighting rendering. This includes shadows but not FOV.";
+        public string Help => "togglelightbuf";
+
+        public void Execute(IConsoleShell shell, string argStr, string[] args)
+        {
+            var mgr = IoCManager.Resolve<ILightManager>();
+            if (!mgr.LockConsoleAccess)
+                mgr.DrawLighting = !mgr.DrawLighting;
         }
     }
 
@@ -763,7 +760,7 @@ namespace Robust.Client.Console.Commands
         public string Description => "Run the GC.";
         public string Help => "gc [generation]";
 
-        public bool Execute(IDebugConsole console, params string[] args)
+        public void Execute(IConsoleShell shell, string argStr, string[] args)
         {
             if (args.Length == 0)
             {
@@ -774,10 +771,21 @@ namespace Robust.Client.Console.Commands
                 if (int.TryParse(args[0], out int result))
                     GC.Collect(result);
                 else
-                    console.AddLine("Failed to parse argument.",Color.Red);
+                    shell.WriteError("Failed to parse argument.");
             }
+        }
+    }
 
-            return false;
+    internal class GcFullCommand : IConsoleCommand
+    {
+        public string Command => "gcf";
+        public string Description => "Run the GC, fully, compacting LOH and everything.";
+        public string Help => "gcf";
+
+        public void Execute(IConsoleShell shell, string argStr, string[] args)
+        {
+            GCSettings.LargeObjectHeapCompactionMode = GCLargeObjectHeapCompactionMode.CompactOnce;
+            GC.Collect(2, GCCollectionMode.Forced, true, true);
         }
     }
 
@@ -790,16 +798,16 @@ namespace Robust.Client.Console.Commands
 
         public string Help => "gc_mode\nSee current GC Latencymode\ngc_mode [type]\n Change GC Latency mode to [type]";
 
-        public bool Execute(IDebugConsole console, params string[] args)
+        public void Execute(IConsoleShell shell, string argStr, string[] args)
         {
             var prevMode = GCSettings.LatencyMode;
             if (args.Length == 0)
             {
-                console.AddLine($"current gc latency mode: {(int) prevMode} ({prevMode})");
-                console.AddLine("possible modes:");
+                shell.WriteLine($"current gc latency mode: {(int) prevMode} ({prevMode})");
+                shell.WriteLine("possible modes:");
                 foreach (int mode in (int[]) Enum.GetValues(typeof(GCLatencyMode)))
                 {
-                    console.AddLine($" {mode}: {Enum.GetName(typeof(GCLatencyMode), mode)}");
+                    shell.WriteLine($" {mode}: {Enum.GetName(typeof(GCLatencyMode), mode)}");
                 }
             }
             else
@@ -811,16 +819,14 @@ namespace Robust.Client.Console.Commands
                 }
                 else if (!Enum.TryParse(args[0], true, out mode))
                 {
-                    console.AddLine($"unknown gc latency mode: {args[0]}");
-                    return false;
+                    shell.WriteLine($"unknown gc latency mode: {args[0]}");
+                    return;
                 }
 
-                console.AddLine($"attempting gc latency mode change: {(int) prevMode} ({prevMode}) -> {(int) mode} ({mode})");
+                shell.WriteLine($"attempting gc latency mode change: {(int) prevMode} ({prevMode}) -> {(int) mode} ({mode})");
                 GCSettings.LatencyMode = mode;
-                console.AddLine($"resulting gc latency mode: {(int) GCSettings.LatencyMode} ({GCSettings.LatencyMode})");
+                shell.WriteLine($"resulting gc latency mode: {(int) GCSettings.LatencyMode} ({GCSettings.LatencyMode})");
             }
-
-            return false;
         }
 
     }
@@ -834,15 +840,13 @@ namespace Robust.Client.Console.Commands
 
         public string Help => "szr_stats";
 
-        public bool Execute(IDebugConsole console, params string[] args)
+        public void Execute(IConsoleShell shell, string argStr, string[] args)
         {
 
-            console.AddLine($"serialized: {RobustSerializer.BytesSerialized} bytes, {RobustSerializer.ObjectsSerialized} objects");
-            console.AddLine($"largest serialized: {RobustSerializer.LargestObjectSerializedBytes} bytes, {RobustSerializer.LargestObjectSerializedType} objects");
-            console.AddLine($"deserialized: {RobustSerializer.BytesDeserialized} bytes, {RobustSerializer.ObjectsDeserialized} objects");
-            console.AddLine($"largest serialized: {RobustSerializer.LargestObjectDeserializedBytes} bytes, {RobustSerializer.LargestObjectDeserializedType} objects");
-
-            return false;
+            shell.WriteLine($"serialized: {RobustSerializer.BytesSerialized} bytes, {RobustSerializer.ObjectsSerialized} objects");
+            shell.WriteLine($"largest serialized: {RobustSerializer.LargestObjectSerializedBytes} bytes, {RobustSerializer.LargestObjectSerializedType} objects");
+            shell.WriteLine($"deserialized: {RobustSerializer.BytesDeserialized} bytes, {RobustSerializer.ObjectsDeserialized} objects");
+            shell.WriteLine($"largest serialized: {RobustSerializer.LargestObjectDeserializedBytes} bytes, {RobustSerializer.LargestObjectDeserializedType} objects");
         }
 
     }
@@ -853,7 +857,7 @@ namespace Robust.Client.Console.Commands
         public string Description => "Gets info about a chunk under your mouse cursor.";
         public string Help => Command;
 
-        public bool Execute(IDebugConsole console, params string[] args)
+        public void Execute(IConsoleShell shell, string argStr, string[] args)
         {
             var mapMan = IoCManager.Resolve<IMapManager>();
             var inputMan = IoCManager.Resolve<IInputManager>();
@@ -863,8 +867,8 @@ namespace Robust.Client.Console.Commands
 
             if (!mapMan.TryFindGridAt(mousePos, out var grid))
             {
-                console.AddLine("No grid under your mouse cursor.");
-                return false;
+                shell.WriteLine("No grid under your mouse cursor.");
+                return;
             }
 
             var internalGrid = (IMapGridInternal)grid;
@@ -872,8 +876,7 @@ namespace Robust.Client.Console.Commands
             var chunkIndex = grid.LocalToChunkIndices(grid.MapToGrid(mousePos));
             var chunk = internalGrid.GetChunk(chunkIndex);
 
-            console.AddLine($"worldBounds: {chunk.CalcWorldBounds()} localBounds: {chunk.CalcLocalBounds()}");
-            return false;
+            shell.WriteLine($"worldBounds: {chunk.CalcWorldBounds()} localBounds: {chunk.CalcLocalBounds()}");
         }
     }
 
@@ -890,7 +893,7 @@ namespace Robust.Client.Console.Commands
 
         public static ConcurrentDictionary<string, bool>? _reloadShadersQueued = new();
 
-        public bool Execute(IDebugConsole console, params string[] args)
+        public void Execute(IConsoleShell shell, string argStr, string[] args)
         {
             IResourceCacheInternal resC;
             if (args.Length == 1)
@@ -899,8 +902,8 @@ namespace Robust.Client.Console.Commands
                 {
                     if (_watchers != null)
                     {
-                        console.AddLine("Already watching.");
-                        return false;
+                        shell.WriteLine("Already watching.");
+                        return;
                     }
                     resC = IoCManager.Resolve<IResourceCacheInternal>();
 
@@ -969,11 +972,11 @@ namespace Robust.Client.Console.Commands
                                         {
                                             IoCManager.Resolve<IResourceCache>()
                                                 .ReloadResource<ShaderSourceResource>(resPath);
-                                            console.AddLine($"Reloaded shader: {resPath}");
+                                            shell.WriteLine($"Reloaded shader: {resPath}");
                                         }
                                         catch (Exception)
                                         {
-                                            console.AddLine($"Failed to reload shader: {resPath}");
+                                            shell.WriteLine($"Failed to reload shader: {resPath}");
                                         }
 
                                         _reloadShadersQueued.TryRemove(ev.FullPath, out var _);
@@ -993,17 +996,17 @@ namespace Robust.Client.Console.Commands
                         ++created;
                     }
 
-                    console.AddLine($"Created {created} shader directory watchers for {shaderCount} shaders.");
+                    shell.WriteLine($"Created {created} shader directory watchers for {shaderCount} shaders.");
 
-                    return false;
+                    return;
                 }
 
                 if (args[0] == "-watch")
                 {
                     if (_watchers == null)
                     {
-                        console.AddLine("No shader directory watchers active.");
-                        return false;
+                        shell.WriteLine("No shader directory watchers active.");
+                        return;
                     }
 
                     var disposed = 0;
@@ -1015,19 +1018,19 @@ namespace Robust.Client.Console.Commands
 
                     _watchers = null;
 
-                    console.AddLine($"Disposed of {disposed} shader directory watchers.");
+                    shell.WriteLine($"Disposed of {disposed} shader directory watchers.");
 
-                    return false;
+                    return;
                 }
             }
 
             if (args.Length > 1)
             {
-                console.AddLine("Not implemented.");
-                return false;
+                shell.WriteLine("Not implemented.");
+                return;
             }
 
-            console.AddLine("Reloading content shader resources...");
+            shell.WriteLine("Reloading content shader resources...");
 
             resC = IoCManager.Resolve<IResourceCacheInternal>();
 
@@ -1039,13 +1042,11 @@ namespace Robust.Client.Console.Commands
                 }
                 catch (Exception)
                 {
-                    console.AddLine($"Failed to reload shader: {path}");
+                    shell.WriteLine($"Failed to reload shader: {path}");
                 }
             }
 
-            console.AddLine("Done.");
-
-            return false;
+            shell.WriteLine("Done.");
         }
 
     }
@@ -1056,14 +1057,14 @@ namespace Robust.Client.Console.Commands
         public string Description => "Toggle fov and light debug layers";
         public string Help => "cldbglyr <layer>: Toggle <layer>\ncldbglyr: Turn all Layers off";
 
-        public bool Execute(IDebugConsole console, params string[] args)
+        public void Execute(IConsoleShell shell, string argStr, string[] args)
         {
             var clyde = IoCManager.Resolve<IClydeInternal>();
 
             if (args.Length < 1)
             {
                 clyde.DebugLayers = ClydeDebugLayers.None;
-                return false;
+                return;
             }
 
             clyde.DebugLayers = args[0] switch
@@ -1072,8 +1073,6 @@ namespace Robust.Client.Console.Commands
                 "light" => ClydeDebugLayers.Light,
                 _ => ClydeDebugLayers.None
             };
-
-            return false;
         }
     }
 
@@ -1083,12 +1082,12 @@ namespace Robust.Client.Console.Commands
         public string Description => "Keys key info for a key";
         public string Help => "keyinfo <Key>";
 
-        public bool Execute(IDebugConsole console, params string[] args)
+        public void Execute(IConsoleShell shell, string argStr, string[] args)
         {
             if (args.Length != 1)
             {
-                console.AddLine(Help);
-                return false;
+                shell.WriteLine(Help);
+                return;
             }
 
             var clyde = IoCManager.Resolve<IClydeInternal>();
@@ -1101,15 +1100,13 @@ namespace Robust.Client.Console.Commands
                 var scanCode = clyde.GetKeyScanCode(key);
                 var nameScanCode = clyde.GetKeyNameScanCode(scanCode);
 
-                console.AddLine($"name: '{name}' scan code: '{scanCode}' name via scan code: '{nameScanCode}'");
+                shell.WriteLine($"name: '{name}' scan code: '{scanCode}' name via scan code: '{nameScanCode}'");
             }
             else if (int.TryParse(args[0], out var scanCode))
             {
                 var nameScanCode = clyde.GetKeyNameScanCode(scanCode);
-                console.AddLine($"name via scan code: '{nameScanCode}'");
+                shell.WriteLine($"name via scan code: '{nameScanCode}'");
             }
-
-            return false;
         }
     }
 }

Robust.Client/Console/Commands/DumpMetadataMembersCommand.cs

@@ -1,7 +1,6 @@
 using System;
-using Robust.Client.Interfaces.Console;
+using Robust.Shared.Console;
 using Robust.Shared.ContentPack;
-using Robust.Shared.Maths;
 
 namespace Robust.Client.Console.Commands
 {
@@ -12,23 +11,21 @@ namespace Robust.Client.Console.Commands
         public string Description => "Dumps a type's members in a format suitable for the sandbox configuration file.";
         public string Help => "Usage: dmetamem <type>";
 
-        public bool Execute(IDebugConsole console, params string[] args)
+        public void Execute(IConsoleShell shell, string argStr, string[] args)
         {
             var type = Type.GetType(args[0]);
 
             if (type == null)
             {
-                console.AddLine("That type does not exist", Color.Red);
-                return false;
+                shell.WriteError("That type does not exist");
+                return;
             }
 
             foreach (var sig in AssemblyTypeChecker.DumpMetaMembers(type))
             {
                 System.Console.WriteLine(@$"- ""{sig}""");
-                console.AddLine(sig);
+                shell.WriteLine(sig);
             }
-
-            return false;
         }
     }
 #endif

Robust.Client/Console/Commands/HelpCommands.cs

@@ -1,8 +1,7 @@
-using System.Linq;
-using Robust.Client.Interfaces.Console;
-using Robust.Shared.Interfaces.Network;
+using System.Linq;
+using Robust.Shared.Console;
 using Robust.Shared.IoC;
-using Robust.Shared.Maths;
+using Robust.Shared.Network;
 
 namespace Robust.Client.Console.Commands
 {
@@ -12,37 +11,36 @@ namespace Robust.Client.Console.Commands
         public string Help => "When no arguments are provided, displays a generic help text. When an argument is passed, display the help text for the command with that name.";
         public string Description => "Display help text.";
 
-        public bool Execute(IDebugConsole console, params string[] args)
+        public void Execute(IConsoleShell shell, string argStr, string[] args)
         {
             switch (args.Length)
             {
                 case 0:
-                    console.AddLine("To display help for a specific command, write 'help <command>'. To list all available commands, write 'list'.");
+                    shell.WriteLine("To display help for a specific command, write 'help <command>'. To list all available commands, write 'list'.");
                     break;
 
                 case 1:
                     string commandname = args[0];
-                    if (!console.Commands.ContainsKey(commandname))
+                    if (!shell.ConsoleHost.RegisteredCommands.ContainsKey(commandname))
                     {
                         if (!IoCManager.Resolve<IClientNetManager>().IsConnected)
                         {
                             // No server so nothing to respond with unknown command.
-                            console.AddLine("Unknown command: " + commandname, Color.Red);
-                            return false;
+                            shell.WriteError("Unknown command: " + commandname);
+                            return;
                         }
                         // TODO: Maybe have a server side help?
-                        return false;
+                        return;
                     }
-                    IConsoleCommand command = console.Commands[commandname];
-                    console.AddLine(string.Format("{0} - {1}", command.Command, command.Description));
-                    console.AddLine(command.Help);
+                    IConsoleCommand command = shell.ConsoleHost.RegisteredCommands[commandname];
+                    shell.WriteLine(string.Format("{0} - {1}", command.Command, command.Description));
+                    shell.WriteLine(command.Help);
                     break;
 
                 default:
-                    console.AddLine("Invalid amount of arguments.", Color.Red);
+                    shell.WriteError("Invalid amount of arguments.");
                     break;
             }
-            return false;
         }
     }
 
@@ -55,7 +53,7 @@ namespace Robust.Client.Console.Commands
                               "only commands that contain the given string in their name will be listed.";
         public string Description => "List all commands, optionally with a filter.";
 
-        public bool Execute(IDebugConsole console, params string[] args)
+        public void Execute(IConsoleShell shell, string argStr, string[] args)
         {
             var filter = "";
             if (args.Length == 1)
@@ -64,14 +62,12 @@ namespace Robust.Client.Console.Commands
             }
 
             var conGroup = IoCManager.Resolve<IClientConGroupController>();
-            foreach (var command in console.Commands.Values
+            foreach (var command in shell.ConsoleHost.RegisteredCommands.Values
                 .Where(p => p.Command.Contains(filter) && conGroup.CanCommand(p.Command))
                 .OrderBy(c => c.Command))
             {
-                console.AddLine(command.Command + ": " + command.Description);
+                shell.WriteLine(command.Command + ": " + command.Description);
             }
-
-            return false;
         }
     }
 }

Robust.Client/Console/Commands/LauncherAuthCommand.cs

@@ -0,0 +1,67 @@
+#if !FULL_RELEASE
+using System;
+using System.IO;
+using System.Linq;
+using System.Text.Json;
+using System.Text.Json.Serialization;
+using Robust.Client.Utility;
+using Robust.Shared.Console;
+using Robust.Shared.IoC;
+using Robust.Shared.Network;
+
+namespace Robust.Client.Console.Commands
+{
+    internal sealed class LauncherAuthCommand : IConsoleCommand
+    {
+        public string Command => "launchauth";
+        public string Description => "Load authentication tokens from launcher data to aid in testing of live servers";
+        public string Help => "launchauth [account name]";
+
+        public void Execute(IConsoleShell shell, string argStr, string[] args)
+        {
+            var wantName = args.Length > 0 ? args[0] : null;
+
+            var basePath = Path.GetDirectoryName(UserDataDir.GetUserDataDir())!;
+            var cfgPath = Path.Combine(basePath, "launcher", "launcher_config.json");
+
+            var data = JsonSerializer.Deserialize<LauncherConfig>(File.ReadAllText(cfgPath))!;
+
+            var login = wantName != null
+                ? data.Logins.FirstOrDefault(p => p.Username == wantName)
+                : data.Logins.FirstOrDefault();
+
+            if (login == null)
+            {
+                shell.WriteLine("Unable to find a matching login");
+                return;
+            }
+
+            var token = login.Token.Token;
+            var userId = login.UserId;
+
+            var cfg = IoCManager.Resolve<IAuthManager>();
+            cfg.Token = token;
+            cfg.UserId = new NetUserId(Guid.Parse(userId));
+        }
+
+        private sealed class LauncherConfig
+        {
+            [JsonInclude] [JsonPropertyName("logins")]
+            public LauncherLogin[] Logins = default!;
+        }
+
+        private sealed class LauncherLogin
+        {
+            [JsonInclude] public string Username = default!;
+            [JsonInclude] public string UserId = default!;
+            [JsonInclude] public LauncherToken Token = default!;
+        }
+
+        private sealed class LauncherToken
+        {
+            [JsonInclude] public string Token = default!;
+        }
+    }
+}
+
+#endif

Robust.Client/Console/Commands/ListAssembliesCommand.cs

@@ -1,8 +1,7 @@
 using System.Linq;
 using System.Runtime.Loader;
-using System.Text;
 using JetBrains.Annotations;
-using Robust.Client.Interfaces.Console;
+using Robust.Shared.Console;
 
 namespace Robust.Client.Console.Commands
 {
@@ -13,18 +12,16 @@ namespace Robust.Client.Console.Commands
         public string Description => "Lists loaded assemblies by load context.";
         public string Help => Command;
 
-        public bool Execute(IDebugConsole console, string[] args)
+        public void Execute(IConsoleShell shell, string argStr, string[] args)
         {
             foreach (var context in AssemblyLoadContext.All)
             {
-                console.AddLine($"{context.Name}:");
+                shell.WriteLine($"{context.Name}:");
                 foreach (var assembly in context.Assemblies.OrderBy(a => a.FullName))
                 {
-                    console.AddLine($"  {assembly.FullName}");
+                    shell.WriteLine($"  {assembly.FullName}");
                 }
             }
-
-            return false;
         }
     }
 }

Robust.Client/Console/Commands/LogCommands.cs

@@ -1,7 +1,6 @@
-using Robust.Client.Interfaces.Console;
-using Robust.Shared.Log;
-using Robust.Shared.Maths;
+using Robust.Shared.Log;
 using System;
+using Robust.Shared.Console;
 
 namespace Robust.Client.Console.Commands
 {
@@ -13,12 +12,12 @@ namespace Robust.Client.Console.Commands
                             + "\n    sawmill: A label prefixing log messages. This is the one you're setting the level for."
                             + "\n    level: The log level. Must match one of the values of the LogLevel enum.";
 
-        public bool Execute(IDebugConsole console, params string[] args)
+        public void Execute(IConsoleShell shell, string argStr, string[] args)
         {
             if (args.Length != 2)
             {
-                console.AddLine("Invalid argument amount. Expected 2 arguments.", Color.Red);
-                return false;
+                shell.WriteError("Invalid argument amount. Expected 2 arguments.");
+                return;
             }
 
             var name = args[0];
@@ -32,13 +31,12 @@ namespace Robust.Client.Console.Commands
             {
                 if (!Enum.TryParse<LogLevel>(levelname, out var result))
                 {
-                    console.AddLine("Failed to parse 2nd argument. Must be one of the values of the LogLevel enum.");
-                    return false;
+                    shell.WriteLine("Failed to parse 2nd argument. Must be one of the values of the LogLevel enum.");
+                    return;
                 }
                 level = result;
             }
             Logger.GetSawmill(name).Level = level;
-            return false;
         }
     }
 
@@ -51,12 +49,12 @@ namespace Robust.Client.Console.Commands
                             + "\n    level: The log level. Must match one of the values of the LogLevel enum."
                             + "\n    message: The message to be logged. Wrap this in double quotes if you want to use spaces.";
 
-        public bool Execute(IDebugConsole console, params string[] args)
+        public void Execute(IConsoleShell shell, string argStr, string[] args)
         {
             if (args.Length != 3)
             {
-                console.AddLine("Invalid argument amount. Expected 3 arguments.", Color.Red);
-                return false;
+                shell.WriteError("Invalid argument amount. Expected 3 arguments.");
+                return;
             }
 
             var name = args[0];
@@ -64,13 +62,12 @@ namespace Robust.Client.Console.Commands
             var message = args[2]; // yes this doesn't support spaces idgaf.
             if (!Enum.TryParse<LogLevel>(levelname, out var result))
             {
-                console.AddLine("Failed to parse 2nd argument. Must be one of the values of the LogLevel enum.");
-                return false;
+                shell.WriteLine("Failed to parse 2nd argument. Must be one of the values of the LogLevel enum.");
+                return;
             }
             var level = result;
 
             Logger.LogS(level, name, message);
-            return false;
         }
     }
 }

Robust.Client/Console/Commands/MonitorCommands.cs

@@ -0,0 +1,44 @@
+using System.Linq;
+using JetBrains.Annotations;
+using Robust.Client.Graphics;
+using Robust.Shared.Console;
+using Robust.Shared.IoC;
+
+namespace Robust.Client.Console.Commands
+{
+    [UsedImplicitly]
+    public sealed class LsMonitorCommand : IConsoleCommand
+    {
+        public string Command => "lsmonitor";
+        public string Description => "";
+        public string Help => "";
+
+        public void Execute(IConsoleShell shell, string argStr, string[] args)
+        {
+            var clyde = IoCManager.Resolve<IClyde>();
+
+            foreach (var monitor in clyde.EnumerateMonitors())
+            {
+                shell.WriteLine(
+                    $"[{monitor.Id}] {monitor.Name}: {monitor.Size.X}x{monitor.Size.Y}@{monitor.RefreshRate}Hz");
+            }
+        }
+    }
+
+    [UsedImplicitly]
+    public sealed class SetMonitorCommand : IConsoleCommand
+    {
+        public string Command => "setmonitor";
+        public string Description => "";
+        public string Help => "Usage: setmonitor <id>";
+
+        public void Execute(IConsoleShell shell, string argStr, string[] args)
+        {
+            var clyde = IoCManager.Resolve<IClyde>();
+
+            var id = int.Parse(args[0]);
+            var monitor = clyde.EnumerateMonitors().Single(m => m.Id == id);
+            clyde.SetWindowMonitor(monitor);
+        }
+    }
+}

Robust.Client/Console/Commands/PhysicsOverlayCommands.cs

@@ -0,0 +1,41 @@
+using Robust.Client.Debugging;
+using Robust.Shared.Console;
+using Robust.Shared.GameObjects;
+
+namespace Robust.Client.Console.Commands
+{
+    public sealed class PhysicsOverlayCommands : IConsoleCommand
+    {
+        public string Command => "physics";
+        public string Description => $"{Command} <contactnormals / contactpoints / shapes>";
+        public string Help => $"{Command} <overlay>";
+        public void Execute(IConsoleShell shell, string argStr, string[] args)
+        {
+            if (args.Length != 1)
+            {
+                shell.WriteLine($"Invalid number of args supplied");
+                return;
+            }
+
+            var system = EntitySystem.Get<DebugPhysicsSystem>();
+
+            switch (args[0])
+            {
+                case "contactnormals":
+                    system.Flags ^= PhysicsDebugFlags.ContactNormals;
+                    break;
+                case "contactpoints":
+                    system.Flags ^= PhysicsDebugFlags.ContactPoints;
+                    break;
+                case "shapes":
+                    system.Flags ^= PhysicsDebugFlags.Shapes;
+                    break;
+                default:
+                    shell.WriteLine($"{args[0]} is not a recognised overlay");
+                    return;
+            }
+
+            return;
+        }
+    }
+}

Robust.Client/Console/Commands/QuitCommand.cs

@@ -1,5 +1,5 @@
-using Robust.Client.Interfaces.Console;
 using System;
+using Robust.Shared.Console;
 
 namespace Robust.Client.Console.Commands
 {
@@ -9,10 +9,9 @@ namespace Robust.Client.Console.Commands
         public string Description => "Kills the game client instantly.";
         public string Help => "Kills the game client instantly, leaving no traces. No telling the server goodbye";
 
-        public bool Execute(IDebugConsole console, params string[] args)
+        public void Execute(IConsoleShell shell, string argStr, string[] args)
         {
             Environment.Exit(0);
-            return false;
         }
     }
 }

Robust.Client/Console/Commands/ReloadLocalizationsCommand.cs

@@ -0,0 +1,20 @@
+using Robust.Shared.Console;
+using Robust.Shared.IoC;
+using Robust.Shared.Localization;
+
+namespace Robust.Client.Console.Commands
+{
+    internal sealed class ReloadLocalizationsCommand : IConsoleCommand
+    {
+        public string Command => "rldloc";
+        public string Description => "Reloads localization (client & server)";
+        public string Help => "Usage: rldloc";
+
+        public void Execute(IConsoleShell shell, string argStr, string[] args)
+        {
+            IoCManager.Resolve<ILocalizationManager>().ReloadLocalizations();
+
+            shell.RemoteExecuteCommand("sudo rldloc");
+        }
+    }
+}

Robust.Client/Console/Commands/Scripting.cs

@@ -1,22 +1,19 @@
-using Robust.Client.Interfaces.Console;
+using Robust.Shared.Console;
 using Robust.Shared.IoC;
 using Robust.Shared.Localization;
-using Robust.Shared.Maths;
 
 namespace Robust.Client.Console.Commands
 {
 #if CLIENT_SCRIPTING
-    internal sealed class ScriptConsoleCommand : IConsoleCommand
+    internal sealed class ScriptCommand : IConsoleCommand
     {
         public string Command => "csi";
         public string Description => "Opens a C# interactive console.";
         public string Help => "csi";
 
-        public bool Execute(IDebugConsole console, params string[] args)
+        public void Execute(IConsoleShell shell, string argStr, string[] args)
         {
             new ScriptConsoleClient().OpenCentered();
-
-            return false;
         }
     }
 
@@ -26,33 +23,29 @@ namespace Robust.Client.Console.Commands
         public string Description => "Opens a variable watch window.";
         public string Help => "watch";
 
-        public bool Execute(IDebugConsole console, params string[] args)
+        public void Execute(IConsoleShell shell, string argStr, string[] args)
         {
             new WatchWindow().OpenCentered();
-
-            return false;
         }
     }
 #endif
 
-    internal sealed class ServerScriptConsoleCommand : IConsoleCommand
+    internal sealed class ServerScriptCommand : IConsoleCommand
     {
         public string Command => "scsi";
         public string Description => "Opens a C# interactive console on the server.";
         public string Help => "scsi";
 
-        public bool Execute(IDebugConsole console, params string[] args)
+        public void Execute(IConsoleShell shell, string argStr, string[] args)
         {
             var mgr = IoCManager.Resolve<IScriptClient>();
             if (!mgr.CanScript)
             {
-                console.AddLine(Loc.GetString("You do not have server side scripting permission."), Color.Red);
-                return false;
+                shell.WriteError(Loc.GetString("You do not have server side scripting permission."));
+                return;
             }
 
             mgr.StartSession();
-
-            return false;
         }
     }
 }

Robust.Client/Console/Commands/SendGarbageCommand.cs

@@ -1,5 +1,4 @@
-using Robust.Client.Interfaces.Console;
-using Robust.Shared.Interfaces.Network;
+using Robust.Shared.Console;
 using Robust.Shared.IoC;
 using Robust.Shared.Network;
 
@@ -11,7 +10,7 @@ namespace Robust.Client.Console.Commands
         public string Description => "Sends garbage to the server.";
         public string Help => "The server will reply with 'no u'";
 
-        public bool Execute(IDebugConsole console, params string[] args)
+        public void Execute(IConsoleShell shell, string argStr, string[] args)
         {
             // MsgStringTableEntries is registered as NetMessageAccept.Client so the server will immediately deny it.
             // And kick us.
@@ -19,8 +18,6 @@ namespace Robust.Client.Console.Commands
             var msg = net.CreateNetMessage<MsgStringTableEntries>();
             msg.Entries = new MsgStringTableEntries.Entry[0];
             net.ClientSendMessage(msg);
-
-            return false;
         }
     }
 }

Robust.Client/Console/Commands/SetInputContextCommand.cs

@@ -0,0 +1,34 @@
+using JetBrains.Annotations;
+using Robust.Client.Input;
+using Robust.Shared.Console;
+using Robust.Shared.IoC;
+
+namespace Robust.Client.Console.Commands
+{
+    [UsedImplicitly]
+    public class SetInputContextCommand : IConsoleCommand
+    {
+        public string Command => "setinputcontext";
+        public string Description => "Sets the active input context.";
+        public string Help => "setinputcontext <context>";
+
+        public void Execute(IConsoleShell shell, string argStr, string[] args)
+        {
+            if (args.Length != 1)
+            {
+                shell.WriteLine("Invalid number of arguments!");
+                return;
+            }
+
+            var inputMan = IoCManager.Resolve<IInputManager>();
+
+            if (!inputMan.Contexts.Exists(args[0]))
+            {
+                shell.WriteLine("Context not found!");
+                return;
+            }
+
+            inputMan.Contexts.SetActiveContext(args[0]);
+        }
+    }
+}

Robust.Client/Console/Commands/VelocitiesCommand.cs

@@ -0,0 +1,17 @@
+using Robust.Client.GameObjects;
+using Robust.Shared.Console;
+using Robust.Shared.GameObjects;
+
+namespace Robust.Client.Console.Commands
+{
+    public class VelocitiesCommand : IConsoleCommand
+    {
+        public string Command => "showvelocities";
+        public string Description => "Displays your angular and linear velocities";
+        public string Help => $"{Command}";
+        public void Execute(IConsoleShell shell, string argStr, string[] args)
+        {
+            EntitySystem.Get<VelocityDebugSystem>().Enabled ^= true;
+        }
+    }
+}

Robust.Client/Console/IClientConGroupController.cs

@@ -1,6 +1,4 @@
-using System;
-
-namespace Robust.Client.Console
+namespace Robust.Client.Console
 {
     public interface IClientConGroupController : IClientConGroupImplementation
     {

Robust.Client/Console/IClientConsole.cs

@@ -1,34 +0,0 @@
-using System;
-using System.Collections.Generic;
-using Robust.Client.Interfaces.Console;
-
-namespace Robust.Client.Console
-{
-    public interface IClientConsole : IDisposable
-    {
-        /// <summary>
-        ///     Initializes the console into a useable state.
-        /// </summary>
-        void Initialize();
-
-        /// <summary>
-        ///     Resets the console to a post-initialized state.
-        /// </summary>
-        void Reset();
-
-
-        event EventHandler<AddStringArgs> AddString;
-        event EventHandler<AddFormattedMessageArgs> AddFormatted;
-        event EventHandler ClearText;
-
-        IReadOnlyDictionary<string, IConsoleCommand> Commands { get; }
-
-        /// <summary>
-        ///     Parses console commands (verbs).
-        /// </summary>
-        /// <param name="text"></param>
-        void ProcessCommand(string text);
-
-        void SendServerCommandRequest();
-    }
-}

Robust.Client/Console/IClientConsoleHost.cs

@@ -0,0 +1,24 @@
+using System;
+using Robust.Shared.Console;
+using Robust.Shared.Utility;
+
+namespace Robust.Client.Console
+{
+    public interface IClientConsoleHost : IConsoleHost, IDisposable
+    {
+        /// <summary>
+        /// Initializes the console into a useable state.
+        /// </summary>
+        void Initialize();
+
+        /// <summary>
+        /// Resets the console to a post-initialized state.
+        /// </summary>
+        void Reset();
+
+        event EventHandler<AddStringArgs> AddString;
+        event EventHandler<AddFormattedMessageArgs> AddFormatted;
+
+        void AddFormattedLine(FormattedMessage message);
+    }
+}

Robust.Client/Console/ScriptClient.cs

@@ -1,7 +1,7 @@
 using System;
 using System.Collections.Generic;
-using Robust.Shared.Interfaces.Network;
 using Robust.Shared.IoC;
+using Robust.Shared.Network;
 using Robust.Shared.Network.Messages;
 
 namespace Robust.Client.Console

Robust.Client/Console/ScriptConsoleClient.cs

@@ -1,5 +1,8 @@
 #if CLIENT_SCRIPTING
+using System;
+using System.Collections.Generic;
 using System.Diagnostics.CodeAnalysis;
+using System.Linq;
 using System.Text;
 using JetBrains.Annotations;
 using Microsoft.CodeAnalysis;
@@ -10,10 +13,10 @@ using Microsoft.CodeAnalysis.Scripting;
 using Microsoft.CodeAnalysis.Text;
 using Robust.Client.UserInterface.CustomControls;
 using Robust.Client.ViewVariables;
-using Robust.Shared.Interfaces.Reflection;
 using Robust.Shared.IoC;
 using Robust.Shared.Localization;
 using Robust.Shared.Maths;
+using Robust.Shared.Reflection;
 using Robust.Shared.Scripting;
 using Robust.Shared.Utility;
 
@@ -36,6 +39,8 @@ namespace Robust.Client.Console
         private readonly ScriptGlobals _globals;
         private ScriptState? _state;
 
+        private (string[] imports, string code)? _autoImportRepeatBuffer;
+
         public ScriptConsoleClient()
         {
             Title = Loc.GetString("Robust C# Interactive (CLIENT)");
@@ -54,38 +59,56 @@ namespace Robust.Client.Console
             var code = InputBar.Text;
             InputBar.Clear();
 
-            // Remove > or . at the end of the output panel.
-            OutputPanel.RemoveEntry(^1);
-
-            _inputBuffer.AppendLine(code);
-            _linesEntered += 1;
-
-            var tree = SyntaxFactory.ParseSyntaxTree(SourceText.From(_inputBuffer.ToString()), ScriptInstanceShared.ParseOptions);
-
-            if (!SyntaxFactory.IsCompleteSubmission(tree))
+            if (_autoImportRepeatBuffer.HasValue && code == "y")
             {
-                if (_linesEntered == 1)
+                var (imports, repeatCode) = _autoImportRepeatBuffer.Value;
+                var sb = new StringBuilder();
+                foreach (var import in imports)
                 {
-                    OutputPanel.AddText($"> {code}");
+                    sb.AppendFormat("using {0};\n", import);
                 }
-                else
-                {
-                    OutputPanel.AddText($". {code}");
-                }
-                OutputPanel.AddText(".");
-                return;
+
+                sb.Append(repeatCode);
+
+                code = sb.ToString();
             }
-
-            code = _inputBuffer.ToString().Trim();
-
-            // Remove echo of partial submission from the output panel.
-            for (var i = 1; i < _linesEntered; i++)
+            else
             {
+                // Remove > or . at the end of the output panel.
                 OutputPanel.RemoveEntry(^1);
-            }
 
-            _inputBuffer.Clear();
-            _linesEntered = 0;
+                _inputBuffer.AppendLine(code);
+                _linesEntered += 1;
+
+                var tree = SyntaxFactory.ParseSyntaxTree(SourceText.From(_inputBuffer.ToString()),
+                    ScriptInstanceShared.ParseOptions);
+
+                if (!SyntaxFactory.IsCompleteSubmission(tree))
+                {
+                    if (_linesEntered == 1)
+                    {
+                        OutputPanel.AddText($"> {code}");
+                    }
+                    else
+                    {
+                        OutputPanel.AddText($". {code}");
+                    }
+
+                    OutputPanel.AddText(".");
+                    return;
+                }
+
+                code = _inputBuffer.ToString().Trim();
+
+                // Remove echo of partial submission from the output panel.
+                for (var i = 1; i < _linesEntered; i++)
+                {
+                    OutputPanel.RemoveEntry(^1);
+                }
+
+                _inputBuffer.Clear();
+                _linesEntered = 0;
+            }
 
             Script newScript;
 
@@ -135,6 +158,8 @@ namespace Robust.Client.Console
 
                 OutputPanel.AddMessage(msg);
                 OutputPanel.AddText(">");
+
+                PromptAutoImports(e.Diagnostics, code);
                 return;
             }
 
@@ -148,13 +173,23 @@ namespace Robust.Client.Console
             else if (ScriptInstanceShared.HasReturnValue(newScript))
             {
                 var msg = new FormattedMessage();
-                msg.AddText(CSharpObjectFormatter.Instance.FormatObject(_state.ReturnValue));
+                msg.AddText(ScriptInstanceShared.SafeFormat(_state.ReturnValue));
                 OutputPanel.AddMessage(msg);
             }
 
             OutputPanel.AddText(">");
         }
 
+        private void PromptAutoImports(IEnumerable<Diagnostic> diags, string code)
+        {
+            if (!ScriptInstanceShared.CalcAutoImports(_reflectionManager, diags, out var found))
+                return;
+
+            OutputPanel.AddText($"Auto-import {string.Join(", ", found)} (enter 'y')?");
+
+            _autoImportRepeatBuffer = (found.ToArray(), code);
+        }
+
         private sealed class ScriptGlobalsImpl : ScriptGlobals
         {
             private readonly ScriptConsoleClient _owner;
@@ -180,7 +215,7 @@ namespace Robust.Client.Console
 
             public override void show(object obj)
             {
-                write(CSharpObjectFormatter.Instance.FormatObject(obj));
+                write(ScriptInstanceShared.SafeFormat(obj));
             }
         }
     }

Robust.Client/Console/WatchWindow.cs

@@ -7,10 +7,10 @@ using Microsoft.CodeAnalysis.Scripting;
 using Robust.Client.UserInterface;
 using Robust.Client.UserInterface.Controls;
 using Robust.Client.UserInterface.CustomControls;
-using Robust.Shared.Interfaces.Reflection;
 using Robust.Shared.IoC;
 using Robust.Shared.Localization;
 using Robust.Shared.Maths;
+using Robust.Shared.Reflection;
 using Robust.Shared.Scripting;
 using Robust.Shared.Timing;
 
@@ -20,8 +20,6 @@ namespace Robust.Client.Console
     {
         private readonly IReflectionManager _reflectionManager;
 
-        protected override Vector2? CustomSize => (300, 300);
-
         private readonly VBoxContainer _watchesVBox;
         private readonly LineEdit _addWatchEdit;
         private readonly Button _addWatchButton;
@@ -37,12 +35,12 @@ namespace Robust.Client.Console
 
             var mainVBox = new VBoxContainer
             {
-                CustomMinimumSize = (500, 300),
+                MinSize = (500, 300),
                 Children =
                 {
                     (_watchesVBox = new VBoxContainer
                     {
-                        SizeFlagsVertical = SizeFlags.FillExpand
+                        VerticalExpand = true
                     }),
                     new HBoxContainer
                     {
@@ -50,7 +48,7 @@ namespace Robust.Client.Console
                         {
                             (_addWatchEdit = new HistoryLineEdit
                             {
-                                SizeFlagsHorizontal = SizeFlags.FillExpand,
+                                HorizontalExpand = true,
                                 PlaceHolder = Loc.GetString("Add watch (C# interactive)")
                             }),
                             (_addWatchButton = new Button
@@ -66,6 +64,8 @@ namespace Robust.Client.Console
             _addWatchEdit.OnTextEntered += _ => AddWatch();
 
             Contents.AddChild(mainVBox);
+
+            SetSize = (300, 300);
         }
 
         private void AddWatch()
@@ -113,7 +113,7 @@ namespace Robust.Client.Console
                     {
                         (_outputLabel = new Label
                         {
-                            SizeFlagsHorizontal = SizeFlags.FillExpand,
+                            HorizontalExpand = true,
                             ClipText = true
                         }),
                         (delButton = new Button
@@ -176,7 +176,7 @@ namespace Robust.Client.Console
                         {
                             Text = message,
                             ClipText = true,
-                            SizeFlagsHorizontal = SizeFlags.FillExpand
+                            HorizontalExpand = true
                         },
                         (delButton = new Button {Text = Loc.GetString("Remove")})
                     }

Robust.Client/Credits/CreditsManager.cs

@@ -1,6 +1,6 @@
 using System.Collections.Generic;
 using System.IO;
-using Robust.Shared.Interfaces.Resources;
+using Robust.Shared.ContentPack;
 using Robust.Shared.IoC;
 using Robust.Shared.Utility;
 using YamlDotNet.RepresentationModel;

Robust.Client/Debugging/DebugDrawing.cs

@@ -1,20 +1,18 @@
-using System;
+using System;
 using System.Collections.Generic;
 using Robust.Client.Graphics;
-using Robust.Client.Graphics.Drawing;
-using Robust.Client.Graphics.Overlays;
-using Robust.Client.Graphics.Shaders;
-using Robust.Client.Interfaces.Debugging;
-using Robust.Client.Interfaces.Graphics.ClientEye;
-using Robust.Client.Interfaces.Graphics.Overlays;
-using Robust.Client.Interfaces.Input;
-using Robust.Client.Interfaces.ResourceManagement;
+using Robust.Client.Input;
 using Robust.Client.ResourceManagement;
-using Robust.Shared.GameObjects.Components;
-using Robust.Shared.Interfaces.GameObjects;
+using Robust.Shared.Enums;
+using Robust.Shared;
+using Robust.Shared.Configuration;
+using Robust.Shared.GameObjects;
 using Robust.Shared.IoC;
+using Robust.Shared.Map;
 using Robust.Shared.Maths;
 using Robust.Shared.Physics;
+using Robust.Shared.Physics.Broadphase;
+using Robust.Shared.Physics.Dynamics.Joints;
 using Robust.Shared.Prototypes;
 
 namespace Robust.Client.Debugging
@@ -23,10 +21,10 @@ namespace Robust.Client.Debugging
     public class DebugDrawing : IDebugDrawing
     {
         [Dependency] private readonly IOverlayManager _overlayManager = default!;
-        [Dependency] private readonly IComponentManager _componentManager = default!;
         [Dependency] private readonly IEyeManager _eyeManager = default!;
         [Dependency] private readonly IPrototypeManager _prototypeManager = default!;
         [Dependency] private readonly IEntityManager _entityManager = default!;
+        [Dependency] private readonly IMapManager _mapManager = default!;
         [Dependency] private readonly IInputManager _inputManager = default!;
 
         private bool _debugColliders;
@@ -45,14 +43,14 @@ namespace Robust.Client.Debugging
 
                 _debugColliders = value;
 
-                if (value)
+                if (value && !_overlayManager.HasOverlay<PhysicsOverlay>())
                 {
-                    _overlayManager.AddOverlay(new PhysicsOverlay(_componentManager, _eyeManager,
-                        _prototypeManager, _inputManager));
+                    _overlayManager.AddOverlay(new PhysicsOverlay(_eyeManager,
+                        _prototypeManager, _inputManager, _mapManager));
                 }
                 else
                 {
-                    _overlayManager.RemoveOverlay(nameof(PhysicsOverlay));
+                    _overlayManager.RemoveOverlay<PhysicsOverlay>();
                 }
             }
         }
@@ -70,21 +68,21 @@ namespace Robust.Client.Debugging
 
                 _debugPositions = value;
 
-                if (value)
+                if (value && !_overlayManager.HasOverlay<EntityPositionOverlay>())
                 {
                     _overlayManager.AddOverlay(new EntityPositionOverlay(_entityManager, _eyeManager));
                 }
                 else
                 {
-                    _overlayManager.RemoveOverlay(nameof(EntityPositionOverlay));
+                    _overlayManager.RemoveOverlay<EntityPositionOverlay>();
                 }
             }
         }
 
         private class PhysicsOverlay : Overlay
         {
-            private readonly IComponentManager _componentManager;
             private readonly IEyeManager _eyeManager;
+            private readonly IMapManager _mapManager;
             private readonly IInputManager _inputManager;
 
             public override OverlaySpace Space => OverlaySpace.WorldSpace | OverlaySpace.ScreenSpace;
@@ -94,12 +92,12 @@ namespace Robust.Client.Debugging
             private Vector2 _hoverStartScreen = Vector2.Zero;
             private List<IPhysBody> _hoverBodies = new();
 
-            public PhysicsOverlay(IComponentManager compMan, IEyeManager eyeMan, IPrototypeManager protoMan, IInputManager inputManager)
-                : base(nameof(PhysicsOverlay))
+
+            public PhysicsOverlay(IEyeManager eyeMan, IPrototypeManager protoMan, IInputManager inputManager, IMapManager mapManager)
             {
-                _componentManager = compMan;
                 _eyeManager = eyeMan;
                 _inputManager = inputManager;
+                _mapManager = mapManager;
 
                 _shader = protoMan.Index<ShaderPrototype>("unshaded").Instance();
                 var cache = IoCManager.Resolve<IResourceCache>();
@@ -135,13 +133,13 @@ namespace Robust.Client.Debugging
                         row++;
                     }
 
-                    DrawString(screenHandle, _font, drawPos + new Vector2(0, row * lineHeight), $"Ent: {body.Entity}");
+                    DrawString(screenHandle, _font, drawPos + new Vector2(0, row * lineHeight), $"Ent: {body.Owner}");
                     row++;
                     DrawString(screenHandle, _font, drawPos + new Vector2(0, row * lineHeight), $"Layer: {Convert.ToString(body.CollisionLayer, 2)}");
                     row++;
                     DrawString(screenHandle, _font, drawPos + new Vector2(0, row * lineHeight), $"Mask: {Convert.ToString(body.CollisionMask, 2)}");
                     row++;
-                    DrawString(screenHandle, _font, drawPos + new Vector2(0, row * lineHeight), $"Enabled: {body.CanCollide}, Hard: {body.Hard}, Anchored: {((IPhysicsComponent)body).Anchored}");
+                    DrawString(screenHandle, _font, drawPos + new Vector2(0, row * lineHeight), $"Enabled: {body.CanCollide}, Hard: {body.Hard}, Anchored: {(body).BodyType == BodyType.Static}");
                     row++;
                 }
 
@@ -158,27 +156,35 @@ namespace Robust.Client.Debugging
                 _hoverStartScreen = mouseScreenPos;
 
                 var viewport = _eyeManager.GetWorldViewport();
-                foreach (var boundingBox in _componentManager.EntityQuery<IPhysicsComponent>())
+
+                if (viewport.IsEmpty()) return;
+
+                var mapId = _eyeManager.CurrentMap;
+                var sleepThreshold = IoCManager.Resolve<IConfigurationManager>().GetCVar(CVars.TimeToSleep);
+                var colorEdge = Color.Red.WithAlpha(0.33f);
+                var drawnJoints = new HashSet<Joint>();
+
+                foreach (var physBody in EntitySystem.Get<SharedBroadPhaseSystem>().GetCollidingEntities(mapId, viewport))
                 {
-                    var physBody = (IPhysBody) boundingBox;
-
                     // all entities have a TransformComponent
-                    var transform = physBody.Entity.Transform;
+                    var transform = physBody.Owner.Transform;
 
-                    // if not on the same map, continue
-                    if (transform.MapID != _eyeManager.CurrentMap || !transform.IsMapTransform)
-                        continue;
+                    var worldBox = physBody.GetWorldAABB(_mapManager);
+                    if (worldBox.IsEmpty()) continue;
 
-                    var worldBox = physBody.WorldAABB;
-                    var colorEdge = Color.Red.WithAlpha(0.33f);
-
-                    // if not on screen, or too small, continue
-                    if (!worldBox.Intersects(in viewport) || worldBox.IsEmpty())
-                        continue;
-
-                    foreach (var shape in physBody.PhysicsShapes)
+                    foreach (var fixture in physBody.Fixtures)
                     {
-                        shape.DebugDraw(drawing, transform.WorldMatrix, in viewport, physBody.SleepAccumulator / (float) physBody.SleepThreshold);
+                        var shape = fixture.Shape;
+                        var sleepPercent = physBody.Awake ? physBody.SleepTime / sleepThreshold : 1.0f;
+                        shape.DebugDraw(drawing, transform.WorldMatrix, in viewport, sleepPercent);
+                    }
+
+                    foreach (var joint in physBody.Joints)
+                    {
+                        if (drawnJoints.Contains(joint)) continue;
+                        drawnJoints.Add(joint);
+
+                        joint.DebugDraw(drawing, in viewport);
                     }
 
                     if (worldBox.Contains(mouseWorldPos))
@@ -195,9 +201,9 @@ namespace Robust.Client.Debugging
             {
                 var baseLine = new Vector2(pos.X, font.GetAscent(1) + pos.Y);
 
-                foreach (var chr in str)
+                foreach (var rune in str.EnumerateRunes())
                 {
-                    var advance = font.DrawChar(handle, chr, baseLine, 1, Color.White);
+                    var advance = font.DrawChar(handle, rune, baseLine, 1, Color.White);
                     baseLine += new Vector2(advance, 0);
                 }
             }
@@ -241,6 +247,16 @@ namespace Robust.Client.Debugging
                     _handle.DrawCircle(origin, radius, color);
                 }
 
+                public override void DrawPolygonShape(Vector2[] vertices, in Color color)
+                {
+                    _handle.DrawPrimitives(DrawPrimitiveTopology.TriangleFan, vertices, color);
+                }
+
+                public override void DrawLine(Vector2 start, Vector2 end, in Color color)
+                {
+                    _handle.DrawLine(start, end, color);
+                }
+
                 public override void SetTransform(in Matrix3 transform)
                 {
                     _handle.SetTransform(transform);
@@ -257,7 +273,7 @@ namespace Robust.Client.Debugging
 
             public override OverlaySpace Space => OverlaySpace.WorldSpace;
 
-            public EntityPositionOverlay(IEntityManager entityManager, IEyeManager eyeManager) : base(nameof(EntityPositionOverlay))
+            public EntityPositionOverlay(IEntityManager entityManager, IEyeManager eyeManager)
             {
                 _entityManager = entityManager;
                 _eyeManager = eyeManager;

Robust.Client/Debugging/DebugDrawingManager.cs

@@ -1,15 +1,12 @@
-using Robust.Client.Interfaces.Debugging;
-using Robust.Shared.Interfaces.Network;
 using Robust.Shared.IoC;
 using Robust.Shared.Network.Messages;
 using System;
 using System.Collections.Generic;
-using Robust.Client.Graphics.Overlays;
-using Robust.Client.Graphics.Drawing;
+using Robust.Client.Graphics;
 using Robust.Shared.Maths;
-using Robust.Client.Interfaces.Graphics.Overlays;
 using Robust.Shared.Timing;
-using Robust.Shared.Interfaces.Timing;
+using Robust.Shared.Enums;
+using Robust.Shared.Network;
 
 namespace Robust.Client.Debugging
 {
@@ -42,13 +39,13 @@ namespace Robust.Client.Debugging
 
                 _debugDrawRays = value;
 
-                if (value)
+                if (value && !_overlayManager.HasOverlay<DebugDrawRayOverlay>())
                 {
                     _overlayManager.AddOverlay(new DebugDrawRayOverlay(this));
                 }
                 else
                 {
-                    _overlayManager.RemoveOverlay(nameof(DebugDrawRayOverlay));
+                    _overlayManager.RemoveOverlay<DebugDrawRayOverlay>();
                 }
             }
         }
@@ -85,7 +82,7 @@ namespace Robust.Client.Debugging
             private readonly DebugDrawingManager _owner;
             public override OverlaySpace Space => OverlaySpace.WorldSpace;
 
-            public DebugDrawRayOverlay(DebugDrawingManager owner) : base(nameof(DebugDrawRayOverlay))
+            public DebugDrawRayOverlay(DebugDrawingManager owner)
             {
                 _owner = owner;
             }

Robust.Client/Debugging/DebugPhysicsSystem.cs

@@ -0,0 +1,164 @@
+/*
+* Farseer Physics Engine:
+* Copyright (c) 2012 Ian Qvist
+*
+* Original source Box2D:
+* Copyright (c) 2006-2011 Erin Catto http://www.box2d.org
+*
+* This software is provided 'as-is', without any express or implied
+* warranty.  In no event will the authors be held liable for any damages
+* arising from the use of this software.
+* Permission is granted to anyone to use this software for any purpose,
+* including commercial applications, and to alter it and redistribute it
+* freely, subject to the following restrictions:
+* 1. The origin of this software must not be misrepresented; you must not
+* claim that you wrote the original software. If you use this software
+* in a product, an acknowledgment in the product documentation would be
+* appreciated but is not required.
+* 2. Altered source versions must be plainly marked as such, and must not be
+* misrepresented as being the original software.
+* 3. This notice may not be removed or altered from any source distribution.
+*/
+
+/* Heavily inspired by Farseer */
+
+using System;
+using Robust.Client.Graphics;
+using Robust.Shared.Enums;
+using Robust.Shared.GameObjects;
+using Robust.Shared.IoC;
+using Robust.Shared.Maths;
+using Robust.Shared.Physics.Collision;
+using Robust.Shared.Physics.Dynamics;
+using Robust.Shared.Physics.Dynamics.Contacts;
+
+namespace Robust.Client.Debugging
+{
+    internal sealed class DebugPhysicsSystem : SharedDebugPhysicsSystem
+    {
+        /*
+         * Used for debugging shapes, controllers, joints, contacts
+         */
+
+        private const int MaxContactPoints = 2048;
+        internal int PointCount;
+
+        internal ContactPoint[] _points = new ContactPoint[MaxContactPoints];
+
+        public PhysicsDebugFlags Flags
+        {
+            get => _flags;
+            set
+            {
+                if (value == _flags) return;
+
+                if (_flags == PhysicsDebugFlags.None)
+                    IoCManager.Resolve<IOverlayManager>().AddOverlay(new PhysicsDebugOverlay(this));
+
+                if (value == PhysicsDebugFlags.None)
+                    IoCManager.Resolve<IOverlayManager>().RemoveOverlay(typeof(PhysicsDebugOverlay));
+
+                _flags = value;
+            }
+        }
+
+        private PhysicsDebugFlags _flags;
+
+        public override void HandlePreSolve(Contact contact, in Manifold oldManifold)
+        {
+            if ((Flags & PhysicsDebugFlags.ContactPoints) != 0)
+            {
+                Manifold manifold = contact.Manifold;
+
+                if (manifold.PointCount == 0)
+                    return;
+
+                Fixture fixtureA = contact.FixtureA!;
+
+                PointState[] state1, state2;
+                CollisionManager.GetPointStates(out state1, out state2, oldManifold, manifold);
+
+                Span<Vector2> points = stackalloc Vector2[2];
+                Vector2 normal;
+                contact.GetWorldManifold(out normal, points);
+
+                for (int i = 0; i < manifold.PointCount && PointCount < MaxContactPoints; ++i)
+                {
+                    if (fixtureA == null)
+                        _points[i] = new ContactPoint();
+
+                    ContactPoint cp = _points[PointCount];
+                    cp.Position = points[i];
+                    cp.Normal = normal;
+                    cp.State = state2[i];
+                    _points[PointCount] = cp;
+                    ++PointCount;
+                }
+            }
+        }
+
+        internal struct ContactPoint
+        {
+            public Vector2 Normal;
+            public Vector2 Position;
+            public PointState State;
+        }
+    }
+
+    [Flags]
+    internal enum PhysicsDebugFlags : byte
+    {
+        None = 0,
+        ContactPoints = 1 << 0,
+        ContactNormals = 1 << 1,
+        Shapes = 1 << 2,
+    }
+
+    internal sealed class PhysicsDebugOverlay : Overlay
+    {
+        private DebugPhysicsSystem _physics = default!;
+
+        public override OverlaySpace Space => OverlaySpace.WorldSpace;
+
+        public PhysicsDebugOverlay(DebugPhysicsSystem system)
+        {
+            _physics = system;
+        }
+
+        protected override void Draw(DrawingHandleBase handle, OverlaySpace currentSpace)
+        {
+            if (_physics.Flags == PhysicsDebugFlags.None) return;
+
+            var worldHandle = (DrawingHandleWorld) handle;
+
+            if ((_physics.Flags & PhysicsDebugFlags.Shapes) != 0)
+            {
+                // Port DebugDrawing over.
+            }
+
+            if ((_physics.Flags & PhysicsDebugFlags.ContactPoints) != 0)
+            {
+                const float axisScale = 0.3f;
+
+                for (int i = 0; i < _physics.PointCount; ++i)
+                {
+                    DebugPhysicsSystem.ContactPoint point = _physics._points[i];
+
+                    if (point.State == PointState.Add)
+                        worldHandle.DrawCircle(point.Position, 0.5f, new Color(255, 77, 243, 77));
+                    else if (point.State == PointState.Persist)
+                        worldHandle.DrawCircle(point.Position, 0.5f, new Color(255, 77, 77, 77));
+
+                    if ((_physics.Flags & PhysicsDebugFlags.ContactNormals) != 0)
+                    {
+                        Vector2 p1 = point.Position;
+                        Vector2 p2 = p1 + point.Normal * axisScale;
+                        worldHandle.DrawLine(p1, p2, new Color(255, 102, 230, 102));
+                    }
+                }
+
+                _physics.PointCount = 0;
+            }
+        }
+    }
+}

Robust.Client/Debugging/IDebugDrawing.cs

@@ -1,4 +1,4 @@
-namespace Robust.Client.Interfaces.Debugging
+namespace Robust.Client.Debugging
 {
     /// <summary>
     /// A collection of visual debug overlays for the client game.

Robust.Client/Debugging/IDebugDrawingManager.cs

@@ -1,11 +1,6 @@
 using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Text;
-using System.Threading.Tasks;
-using Robust.Shared.Timing;
 
-namespace Robust.Client.Interfaces.Debugging
+namespace Robust.Client.Debugging
 {
     public interface IDebugDrawingManager
     {

Robust.Client/GameController.cs

@@ -1,20 +1,19 @@
-using System;
+using System;
 using System.IO;
+using System.Management;
 using System.Net;
 using System.Threading.Tasks;
+using Robust.Client.Audio.Midi;
 using Robust.Client.Console;
-using Robust.Client.Interfaces;
-using Robust.Client.Interfaces.GameObjects;
-using Robust.Client.Interfaces.GameStates;
-using Robust.Client.Interfaces.Graphics;
-using Robust.Client.Interfaces.Graphics.Overlays;
-using Robust.Client.Interfaces.Input;
-using Robust.Client.Interfaces.Placement;
-using Robust.Client.Interfaces.ResourceManagement;
-using Robust.Client.Interfaces.State;
-using Robust.Client.Interfaces.UserInterface;
-using Robust.Client.Interfaces.Utility;
+using Robust.Client.GameObjects;
+using Robust.Client.GameStates;
+using Robust.Client.Graphics;
+using Robust.Client.Input;
+using Robust.Client.Placement;
 using Robust.Client.Player;
+using Robust.Client.ResourceManagement;
+using Robust.Client.State;
+using Robust.Client.UserInterface;
 using Robust.Client.Utility;
 using Robust.Client.ViewVariables;
 using Robust.LoaderApi;
@@ -22,17 +21,14 @@ using Robust.Shared;
 using Robust.Shared.Asynchronous;
 using Robust.Shared.Configuration;
 using Robust.Shared.ContentPack;
-using Robust.Shared.Interfaces.Configuration;
-using Robust.Shared.Interfaces.GameObjects;
-using Robust.Shared.Interfaces.Log;
-using Robust.Shared.Interfaces.Map;
-using Robust.Shared.Interfaces.Network;
-using Robust.Shared.Interfaces.Serialization;
-using Robust.Shared.Interfaces.Timers;
+using Robust.Shared.GameObjects;
 using Robust.Shared.IoC;
 using Robust.Shared.Log;
+using Robust.Shared.Map;
+using Robust.Shared.Network;
 using Robust.Shared.Prototypes;
 using Robust.Shared.Serialization;
+using Robust.Shared.Serialization.Manager;
 using Robust.Shared.Timing;
 using Robust.Shared.Utility;
 
@@ -50,7 +46,7 @@ namespace Robust.Client
         [Dependency] private readonly IUserInterfaceManagerInternal _userInterfaceManager = default!;
         [Dependency] private readonly IBaseClient _client = default!;
         [Dependency] private readonly IInputManager _inputManager = default!;
-        [Dependency] private readonly IClientConsole _console = default!;
+        [Dependency] private readonly IClientConsoleHost _console = default!;
         [Dependency] private readonly ITimerManager _timerManager = default!;
         [Dependency] private readonly IClientEntityManager _entityManager = default!;
         [Dependency] private readonly IPlacementManager _placementManager = default!;
@@ -67,6 +63,8 @@ namespace Robust.Client
         [Dependency] private readonly IComponentManager _componentManager = default!;
         [Dependency] private readonly IPlayerManager _playerManager = default!;
         [Dependency] private readonly IRobustMappedStringSerializer _stringSerializer = default!;
+        [Dependency] private readonly IAuthManager _authManager = default!;
+        [Dependency] private readonly IMidiManager _midiManager = default!;
 
         private CommandLineArgs? _commandLineArgs;
         private bool _disableAssemblyLoadContext;
@@ -83,6 +81,75 @@ namespace Robust.Client
         }
 
         public bool Startup(Func<ILogHandler>? logHandlerFactory = null)
+        {
+            if (!StartupSystemSplash(logHandlerFactory))
+                return false;
+
+            // Disable load context usage on content start.
+            // This prevents Content.Client being loaded twice and things like csi blowing up because of it.
+            _modLoader.SetUseLoadContext(!_disableAssemblyLoadContext);
+            _modLoader.SetEnableSandboxing(true);
+
+            if (!_modLoader.TryLoadModulesFrom(new ResourcePath("/Assemblies/"), "Content."))
+            {
+                Logger.Fatal("Errors while loading content assemblies.");
+                return false;
+            }
+
+            foreach (var loadedModule in _modLoader.LoadedModules)
+            {
+                _configurationManager.LoadCVarsFromAssembly(loadedModule);
+            }
+
+            IoCManager.Resolve<ISerializationManager>().Initialize();
+
+            // Call Init in game assemblies.
+            _modLoader.BroadcastRunLevel(ModRunLevel.PreInit);
+            _modLoader.BroadcastRunLevel(ModRunLevel.Init);
+
+            _resourceCache.PreloadTextures();
+            _userInterfaceManager.Initialize();
+            _networkManager.Initialize(false);
+            IoCManager.Resolve<INetConfigurationManager>().SetupNetworking();
+            _serializer.Initialize();
+            _inputManager.Initialize();
+            _console.Initialize();
+            _prototypeManager.Initialize();
+            _prototypeManager.LoadDirectory(new ResourcePath(@"/Prototypes/"));
+            _prototypeManager.Resync();
+            _mapManager.Initialize();
+            _entityManager.Initialize();
+            IoCManager.Resolve<IEntityLookup>().Initialize();
+            _gameStateManager.Initialize();
+            _placementManager.Initialize();
+            _viewVariablesManager.Initialize();
+            _scriptClient.Initialize();
+
+            _client.Initialize();
+            _discord.Initialize();
+            _modLoader.BroadcastRunLevel(ModRunLevel.PostInit);
+
+            if (_commandLineArgs?.Username != null)
+            {
+                _client.PlayerNameOverride = _commandLineArgs.Username;
+            }
+
+            _authManager.LoadFromEnv();
+
+            GC.Collect();
+
+            _clyde.Ready();
+
+            if ((_commandLineArgs?.Connect == true || _commandLineArgs?.Launcher == true)
+                && LaunchState.ConnectEndpoint != null)
+            {
+                _client.ConnectToServer(LaunchState.ConnectEndpoint);
+            }
+
+            return true;
+        }
+
+        private bool StartupSystemSplash(Func<ILogHandler>? logHandlerFactory)
         {
             ReadInitialLaunchState();
 
@@ -122,6 +189,8 @@ namespace Robust.Client
                 _configurationManager.OverrideConVars(_commandLineArgs.CVars);
             }
 
+            ProfileOptSetup.Setup(_configurationManager);
+
             _resourceCache.Initialize(LoadConfigAndUserData ? userDataDir : null);
 
             ProgramShared.DoMounts(_resourceCache, _commandLineArgs?.MountOptions, "Content.Client", _loaderArgs != null);
@@ -132,6 +201,13 @@ namespace Robust.Client
                 _modLoader.VerifierExtraLoadHandler = VerifierExtraLoadHandler;
             }
 
+            _clyde.TextEntered += TextEntered;
+            _clyde.MouseMove += MouseMove;
+            _clyde.KeyUp += KeyUp;
+            _clyde.KeyDown += KeyDown;
+            _clyde.MouseWheel += MouseWheel;
+            _clyde.CloseWindow += Shutdown;
+
             // Bring display up as soon as resources are mounted.
             if (!_clyde.Initialize())
             {
@@ -140,59 +216,7 @@ namespace Robust.Client
 
             _clyde.SetWindowTitle("Space Station 14");
 
-            _fontManager.Initialize();
-
-            // Disable load context usage on content start.
-            // This prevents Content.Client being loaded twice and things like csi blowing up because of it.
-            _modLoader.SetUseLoadContext(!_disableAssemblyLoadContext);
-            _modLoader.SetEnableSandboxing(true);
-
-            if (!_modLoader.TryLoadModulesFrom(new ResourcePath("/Assemblies/"), "Content."))
-            {
-                Logger.Fatal("Errors while loading content assemblies.");
-                return false;
-            }
-
-            foreach (var loadedModule in _modLoader.LoadedModules)
-            {
-                _configurationManager.LoadCVarsFromAssembly(loadedModule);
-            }
-
-            // Call Init in game assemblies.
-            _modLoader.BroadcastRunLevel(ModRunLevel.PreInit);
-            _modLoader.BroadcastRunLevel(ModRunLevel.Init);
-
-            _userInterfaceManager.Initialize();
-            _networkManager.Initialize(false);
-            _serializer.Initialize();
-            _inputManager.Initialize();
-            _console.Initialize();
-            _prototypeManager.LoadDirectory(new ResourcePath(@"/Prototypes/"));
-            _prototypeManager.Resync();
-            _mapManager.Initialize();
-            _entityManager.Initialize();
-            _gameStateManager.Initialize();
-            _placementManager.Initialize();
-            _viewVariablesManager.Initialize();
-            _scriptClient.Initialize();
-
-            _client.Initialize();
-            _discord.Initialize();
-            _modLoader.BroadcastRunLevel(ModRunLevel.PostInit);
-
-            if (_commandLineArgs?.Username != null)
-            {
-                _client.PlayerNameOverride = _commandLineArgs.Username;
-            }
-
-            _clyde.Ready();
-
-            if ((_commandLineArgs?.Connect == true || _commandLineArgs?.Launcher == true)
-                && LaunchState.ConnectEndpoint != null)
-            {
-                _client.ConnectToServer(LaunchState.ConnectEndpoint);
-            }
-
+            _fontManager.SetFontDpi((uint) _configurationManager.GetCVar(CVars.DisplayFontDpi));
             return true;
         }
 
@@ -269,17 +293,13 @@ namespace Robust.Client
             _modLoader.BroadcastUpdate(ModUpdateLevel.PreEngine, frameEventArgs);
             _timerManager.UpdateTimers(frameEventArgs);
             _taskManager.ProcessPendingTasks();
-            _userInterfaceManager.Update(frameEventArgs);
 
+            // GameStateManager is in full control of the simulation update.
             if (_client.RunLevel >= ClientRunLevel.Connected)
             {
-                _componentManager.CullRemovedComponents();
                 _gameStateManager.ApplyGameState();
-                _entityManager.Update(frameEventArgs.DeltaSeconds);
-                _playerManager.Update(frameEventArgs.DeltaSeconds);
             }
 
-            _stateManager.Update(frameEventArgs);
             _modLoader.BroadcastUpdate(ModUpdateLevel.PostEngine, frameEventArgs);
         }
 
@@ -320,6 +340,7 @@ namespace Robust.Client
             logManager.GetSawmill("discord").Level = LogLevel.Warning;
             logManager.GetSawmill("net.predict").Level = LogLevel.Info;
             logManager.GetSawmill("szr").Level = LogLevel.Info;
+            logManager.GetSawmill("loc").Level = LogLevel.Error;
 
 #if DEBUG_ONLY_FCE_INFO
 #if DEBUG_ONLY_FCE_LOG
@@ -378,6 +399,9 @@ namespace Robust.Client
 
         private void Cleanup()
         {
+            _networkManager.Shutdown("Client shutting down");
+            _midiManager.Shutdown();
+            IoCManager.Resolve<IEntityLookup>().Shutdown();
             _entityManager.Shutdown();
             _clyde.Shutdown();
         }

Robust.Client/GameController/GameController.Input.cs

@@ -1,4 +1,4 @@
-using Robust.Client.Input;
+using Robust.Client.Input;
 
 namespace Robust.Client
 {

Robust.Client/GameController/GameController.IoC.cs

@@ -1,67 +1,9 @@
 using System;
 using System.Collections.Generic;
 using System.Reflection;
-using Robust.Client.Graphics.Clyde;
-using Robust.Client.Console;
-using Robust.Client.Debugging;
-using Robust.Client.GameObjects;
-using Robust.Client.GameStates;
-using Robust.Client.Graphics;
-using Robust.Client.Graphics.ClientEye;
-using Robust.Client.Graphics.Lighting;
-using Robust.Client.Graphics.Overlays;
-using Robust.Client.Input;
-using Robust.Client.Interfaces;
-using Robust.Client.Interfaces.Debugging;
-using Robust.Client.Interfaces.GameObjects;
-using Robust.Client.Interfaces.GameStates;
-using Robust.Client.Interfaces.Graphics;
-using Robust.Client.Interfaces.Graphics.ClientEye;
-using Robust.Client.Interfaces.Graphics.Lighting;
-using Robust.Client.Interfaces.Graphics.Overlays;
-using Robust.Client.Interfaces.Input;
-using Robust.Client.Interfaces.Map;
-using Robust.Client.Interfaces.Placement;
-using Robust.Client.Interfaces.ResourceManagement;
-using Robust.Client.Interfaces.State;
-using Robust.Client.Interfaces.UserInterface;
-using Robust.Client.Interfaces.Utility;
-using Robust.Client.Map;
-using Robust.Client.Placement;
-using Robust.Client.Player;
-using Robust.Client.Reflection;
-using Robust.Client.ResourceManagement;
-using Robust.Client.State;
-using Robust.Client.UserInterface;
-using Robust.Client.Utility;
-using Robust.Client.ViewVariables;
-using Robust.Shared;
-using Robust.Shared.Asynchronous;
-using Robust.Shared.Configuration;
 using Robust.Shared.ContentPack;
-using Robust.Shared.Exceptions;
-using Robust.Shared.GameObjects;
-using Robust.Shared.Interfaces.Configuration;
-using Robust.Shared.Interfaces.GameObjects;
-using Robust.Shared.Interfaces.Log;
-using Robust.Shared.Interfaces.Map;
-using Robust.Shared.Interfaces.Network;
-using Robust.Shared.Interfaces.Physics;
-using Robust.Shared.Interfaces.Reflection;
-using Robust.Shared.Interfaces.Resources;
-using Robust.Shared.Interfaces.Serialization;
-using Robust.Shared.Interfaces.Timers;
-using Robust.Shared.Interfaces.Timing;
 using Robust.Shared.IoC;
-using Robust.Shared.Localization;
-using Robust.Shared.Log;
-using Robust.Shared.Map;
-using Robust.Shared.Network;
-using Robust.Shared.Physics;
-using Robust.Shared.Prototypes;
-using Robust.Shared.Serialization;
-using Robust.Shared.Timers;
-using Robust.Shared.Timing;
+using Robust.Shared.Reflection;
 
 namespace Robust.Client
 {
@@ -75,7 +17,6 @@ namespace Robust.Client
             RegisterReflection();
         }
 
-
         internal static void RegisterReflection()
         {
             // Gets a handle to the shared and the current (client) dll.

Robust.Client/GameController/GameController.Loader.cs

@@ -1,4 +1,4 @@
-using Robust.Client;
+using Robust.Client;
 using Robust.LoaderApi;
 
 [assembly: LoaderEntryPoint(typeof(GameController.LoaderEntryPoint))]
@@ -11,7 +11,7 @@ namespace Robust.Client
         {
             public void Main(IMainArgs args)
             {
-                GameController.Start(args.Args, contentStart: false, args);
+                Start(args.Args, contentStart: false, args);
             }
         }
     }

Robust.Client/GameController/GameController.Standalone.cs

@@ -1,7 +1,5 @@
-using System;
-using Robust.Client.Interfaces;
+using System;
 using Robust.LoaderApi;
-using Robust.Shared.Interfaces.Timing;
 using Robust.Shared.IoC;
 using Robust.Shared.Log;
 using Robust.Shared.Timing;

Robust.Client/GameObjects/!NO_FOLDER_NAMESPACES

@@ -0,0 +1,3 @@
+Everything in this folder and subfolders needs to be in:
+
+Robust.Client.GameObjects

Robust.Client/GameObjects/ClientComponentFactory.cs

@@ -1,18 +1,5 @@
-using Robust.Client.GameObjects.Components;
-using Robust.Client.GameObjects.Components.Animations;
-using Robust.Client.GameObjects.Components.Containers;
-using Robust.Client.GameObjects.Components.UserInterface;
-using Robust.Client.Interfaces.GameObjects.Components;
+using Robust.Shared.Containers;
 using Robust.Shared.GameObjects;
-using Robust.Shared.GameObjects.Components;
-using Robust.Shared.GameObjects.Components.Appearance;
-using Robust.Shared.GameObjects.Components.Eye;
-using Robust.Shared.GameObjects.Components.Map;
-using Robust.Shared.GameObjects.Components.Renderable;
-using Robust.Shared.GameObjects.Components.Timers;
-using Robust.Shared.GameObjects.Components.Transform;
-using Robust.Shared.GameObjects.Components.UserInterface;
-using Robust.Shared.Interfaces.GameObjects.Components;
 using Robust.Shared.Physics;
 
 namespace Robust.Client.GameObjects
@@ -37,9 +24,13 @@ namespace Robust.Client.GameObjects
 
             Register<PhysicsComponent>();
             RegisterReference<PhysicsComponent, IPhysBody>();
-            RegisterReference<PhysicsComponent, IPhysicsComponent>();
+
+            Register<CollisionWakeComponent>();
+
+            Register<ContainerManagerComponent>();
+            RegisterReference<ContainerManagerComponent, IContainerManager>();
+
             RegisterIgnore("KeyBindingInput");
-            Register<PointLightComponent>();
 
             Register<InputComponent>();
 
@@ -55,25 +46,19 @@ namespace Robust.Client.GameObjects
 
             Register<AppearanceComponent>();
             RegisterReference<AppearanceComponent, SharedAppearanceComponent>();
-            
+
             Register<AppearanceTestComponent>();
             Register<SnapGridComponent>();
 
             Register<ClientUserInterfaceComponent>();
             RegisterReference<ClientUserInterfaceComponent, SharedUserInterfaceComponent>();
 
-            RegisterIgnore("IgnorePause");
-
             Register<AnimationPlayerComponent>();
 
-            Register<ContainerManagerComponent>();
-            RegisterReference<ContainerManagerComponent, IContainerManager>();
-
             Register<TimerComponent>();
 
 #if DEBUG
             Register<DebugExceptionOnAddComponent>();
-            Register<DebugExceptionExposeDataComponent>();
             Register<DebugExceptionInitializeComponent>();
             Register<DebugExceptionStartupComponent>();
 #endif

Robust.Client/GameObjects/ClientEntityManager.cs

@@ -1,14 +1,17 @@
-using System;
+using System;
 using System.Collections.Generic;
 using System.Linq;
-using Robust.Client.Interfaces.GameObjects;
+using JetBrains.Annotations;
+using Prometheus;
+using Robust.Client.GameStates;
 using Robust.Shared.Exceptions;
 using Robust.Shared.GameObjects;
-using Robust.Shared.Interfaces.GameObjects;
-using Robust.Shared.Interfaces.Map;
 using Robust.Shared.IoC;
 using Robust.Shared.Log;
 using Robust.Shared.Map;
+using Robust.Shared.Network;
+using Robust.Shared.Network.Messages;
+using Robust.Shared.Timing;
 using Robust.Shared.Utility;
 
 namespace Robust.Client.GameObjects
@@ -16,303 +19,152 @@ namespace Robust.Client.GameObjects
     /// <summary>
     /// Manager for entities -- controls things like template loading and instantiation
     /// </summary>
-    public sealed class ClientEntityManager : EntityManager, IClientEntityManager
+    public sealed class ClientEntityManager : EntityManager, IClientEntityManagerInternal
     {
-        [Dependency] private readonly IMapManager _mapManager = default!;
-        [Dependency] private readonly IComponentFactory _compFactory = default!;
-#if EXCEPTION_TOLERANCE
-        [Dependency] private readonly IRuntimeLog _runtimeLog = default!;
-#endif
+        [Dependency] private readonly IClientNetManager _networkManager = default!;
+        [Dependency] private readonly IClientGameStateManager _gameStateManager = default!;
+        [Dependency] private readonly IGameTiming _gameTiming = default!;
 
-        private int _nextClientEntityUid = EntityUid.ClientUid + 1;
+        protected override int NextEntityUid { get; set; } = EntityUid.ClientUid + 1;
 
-        public override void Startup()
+        public override void Initialize()
         {
-            base.Startup();
+            SetupNetworking();
+            ReceivedComponentMessage += (_, compMsg) => DispatchComponentMessage(compMsg);
+            ReceivedSystemMessage += (_, systemMsg) => EventBus.RaiseEvent(EventSource.Network, systemMsg);
 
-            if (Started)
-            {
-                throw new InvalidOperationException("Startup() called multiple times");
-            }
-
-            EntitySystemManager.Initialize();
-            Started = true;
+            base.Initialize();
         }
 
-        public List<EntityUid> ApplyEntityStates(EntityState[]? curEntStates, IEnumerable<EntityUid>? deletions,
-            EntityState[]? nextEntStates)
+        IEntity IClientEntityManagerInternal.CreateEntity(string? prototypeName, EntityUid? uid)
         {
-            var toApply = new Dictionary<IEntity, (EntityState?, EntityState?)>();
-            var toInitialize = new List<Entity>();
-            var created = new List<EntityUid>();
-            deletions ??= new EntityUid[0];
+            return base.CreateEntity(prototypeName, uid);
+        }
 
-            if (curEntStates != null && curEntStates.Length != 0)
+        void IClientEntityManagerInternal.InitializeEntity(IEntity entity)
+        {
+            EntityManager.InitializeEntity((Entity)entity);
+        }
+
+        void IClientEntityManagerInternal.StartEntity(IEntity entity)
+        {
+            base.StartEntity((Entity)entity);
+        }
+
+        #region IEntityNetworkManager impl
+
+        public override IEntityNetworkManager EntityNetManager => this;
+
+        /// <inheritdoc />
+        public event EventHandler<NetworkComponentMessage>? ReceivedComponentMessage;
+
+        /// <inheritdoc />
+        public event EventHandler<object>? ReceivedSystemMessage;
+
+        private readonly PriorityQueue<(uint seq, MsgEntity msg)> _queue = new(new MessageTickComparer());
+        private uint _incomingMsgSequence = 0;
+
+        /// <inheritdoc />
+        public void SetupNetworking()
+        {
+            _networkManager.RegisterNetMessage<MsgEntity>(MsgEntity.NAME, HandleEntityNetworkMessage);
+        }
+
+        public override void TickUpdate(float frameTime, Histogram? histogram)
+        {
+            using (histogram?.WithLabels("EntityNet").NewTimer())
             {
-                foreach (var es in curEntStates)
+                while (_queue.Count != 0 && _queue.Peek().msg.SourceTick <= _gameStateManager.CurServerTick)
                 {
-                    //Known entities
-                    if (Entities.TryGetValue(es.Uid, out var entity))
-                    {
-                        toApply.Add(entity, (es, null));
-                    }
-                    else //Unknown entities
-                    {
-                        var metaState = (MetaDataComponentState?) es.ComponentStates
-                            ?.FirstOrDefault(c => c.NetID == NetIDs.META_DATA);
-                        if (metaState == null)
-                        {
-                            throw new InvalidOperationException($"Server sent new entity state for {es.Uid} without metadata component!");
-                        }
-                        var newEntity = CreateEntity(metaState.PrototypeId, es.Uid);
-                        toApply.Add(newEntity, (es, null));
-                        toInitialize.Add(newEntity);
-                        created.Add(newEntity.Uid);
-                    }
+                    var (_, msg) = _queue.Take();
+                    // Logger.DebugS("net.ent", "Dispatching: {0}: {1}", seq, msg);
+                    DispatchMsgEntity(msg);
                 }
             }
 
-            if (nextEntStates != null && nextEntStates.Length != 0)
-            {
-                foreach (var es in nextEntStates)
-                {
-                    if (Entities.TryGetValue(es.Uid, out var entity))
-                    {
-                        if (toApply.TryGetValue(entity, out var state))
-                        {
-                            toApply[entity] = (state.Item1, es);
-                        }
-                        else
-                        {
-                            toApply[entity] = (null, es);
-                        }
-                    }
-                }
-            }
-
-            // Make sure this is done after all entities have been instantiated.
-            foreach (var kvStates in toApply)
-            {
-                var ent = kvStates.Key;
-                var entity = (Entity) ent;
-                HandleEntityState(entity.EntityManager.ComponentManager, entity, kvStates.Value.Item1,
-                    kvStates.Value.Item2);
-            }
-
-            foreach (var kvp in toApply)
-            {
-                UpdateEntityTree(kvp.Key);
-            }
-
-            foreach (var id in deletions)
-            {
-                DeleteEntity(id);
-            }
-
-#if EXCEPTION_TOLERANCE
-            HashSet<Entity> brokenEnts = new HashSet<Entity>();
-#endif
-
-            foreach (var entity in toInitialize)
-            {
-#if EXCEPTION_TOLERANCE
-                try
-                {
-#endif
-                    InitializeEntity(entity);
-#if EXCEPTION_TOLERANCE
-                }
-                catch (Exception e)
-                {
-                    Logger.ErrorS("state", $"Server entity threw in Init: uid={entity.Uid}, proto={entity.Prototype}\n{e}");
-                    brokenEnts.Add(entity);
-                }
-#endif
-            }
-
-            foreach (var entity in toInitialize)
-            {
-#if EXCEPTION_TOLERANCE
-                if(brokenEnts.Contains(entity))
-                    continue;
-
-                try
-                {
-#endif
-                    StartEntity(entity);
-#if EXCEPTION_TOLERANCE
-                }
-                catch (Exception e)
-                {
-                    Logger.ErrorS("state", $"Server entity threw in Start: uid={entity.Uid}, proto={entity.Prototype}\n{e}");
-                    brokenEnts.Add(entity);
-                }
-#endif
-            }
-
-            foreach (var entity in toInitialize)
-            {
-#if EXCEPTION_TOLERANCE
-                if(brokenEnts.Contains(entity))
-                    continue;
-#endif
-                UpdateEntityTree(entity);
-            }
-#if EXCEPTION_TOLERANCE
-            foreach (var entity in brokenEnts)
-            {
-                entity.Delete();
-            }
-#endif
-
-            return created;
+            base.TickUpdate(frameTime, histogram);
         }
 
         /// <inheritdoc />
-        public override IEntity CreateEntityUninitialized(string? prototypeName)
+        public void SendSystemNetworkMessage(EntityEventArgs message)
         {
-            return CreateEntity(prototypeName);
+            SendSystemNetworkMessage(message, default(uint));
+        }
+
+        public void SendSystemNetworkMessage(EntityEventArgs message, uint sequence)
+        {
+            var msg = _networkManager.CreateNetMessage<MsgEntity>();
+            msg.Type = EntityMessageType.SystemMessage;
+            msg.SystemMessage = message;
+            msg.SourceTick = _gameTiming.CurTick;
+            msg.Sequence = sequence;
+
+            _networkManager.ClientSendMessage(msg);
         }
 
         /// <inheritdoc />
-        public override IEntity CreateEntityUninitialized(string? prototypeName, EntityCoordinates coordinates)
+        public void SendSystemNetworkMessage(EntityEventArgs message, INetChannel channel)
         {
-            var newEntity = CreateEntity(prototypeName, GenerateEntityUid());
-
-            if (TryGetEntity(coordinates.EntityId, out var entity))
-            {
-                newEntity.Transform.AttachParent(entity);
-                newEntity.Transform.Coordinates = coordinates;
-            }
-
-            return newEntity;
+            throw new NotSupportedException();
         }
 
         /// <inheritdoc />
-        public override IEntity CreateEntityUninitialized(string? prototypeName, MapCoordinates coordinates)
+        public void SendComponentNetworkMessage(INetChannel? channel, IEntity entity, IComponent component, ComponentMessage message)
         {
-            var newEntity = CreateEntity(prototypeName, GenerateEntityUid());
-            newEntity.Transform.AttachParent(_mapManager.GetMapEntity(coordinates.MapId));
-            newEntity.Transform.WorldPosition = coordinates.Position;
-            return newEntity;
+            if (!component.NetID.HasValue)
+                throw new ArgumentException($"Component {component.Name} does not have a NetID.", nameof(component));
+
+            var msg = _networkManager.CreateNetMessage<MsgEntity>();
+            msg.Type = EntityMessageType.ComponentMessage;
+            msg.EntityUid = entity.Uid;
+            msg.NetId = component.NetID.Value;
+            msg.ComponentMessage = message;
+            msg.SourceTick = _gameTiming.CurTick;
+
+            _networkManager.ClientSendMessage(msg);
         }
 
-        /// <inheritdoc />
-        public override IEntity SpawnEntity(string? protoName, EntityCoordinates coordinates)
+        private void HandleEntityNetworkMessage(MsgEntity message)
         {
-            var newEnt = CreateEntityUninitialized(protoName, coordinates);
-            InitializeAndStartEntity((Entity) newEnt);
-            UpdateEntityTree(newEnt);
-            return newEnt;
-        }
-
-        /// <inheritdoc />
-        public override IEntity SpawnEntity(string? protoName, MapCoordinates coordinates)
-        {
-            var entity = CreateEntityUninitialized(protoName, coordinates);
-            InitializeAndStartEntity((Entity) entity);
-            UpdateEntityTree(entity);
-            return entity;
-        }
-
-        /// <inheritdoc />
-        public override IEntity SpawnEntityNoMapInit(string? protoName, EntityCoordinates coordinates)
-        {
-            return SpawnEntity(protoName, coordinates);
-        }
-
-        protected override EntityUid GenerateEntityUid()
-        {
-            return new(_nextClientEntityUid++);
-        }
-
-        private void HandleEntityState(IComponentManager compMan, IEntity entity, EntityState? curState,
-            EntityState? nextState)
-        {
-            var compStateWork = new Dictionary<uint, (ComponentState? curState, ComponentState? nextState)>();
-            var entityUid = entity.Uid;
-
-            if (curState?.ComponentChanges != null)
+            if (message.SourceTick <= _gameStateManager.CurServerTick)
             {
-                foreach (var compChange in curState.ComponentChanges)
-                {
-                    if (compChange.Deleted)
-                    {
-                        if (compMan.TryGetComponent(entityUid, compChange.NetID, out var comp))
-                        {
-                            compMan.RemoveComponent(entityUid, comp);
-                        }
-                    }
-                    else
-                    {
-                        if (compMan.HasComponent(entityUid, compChange.NetID))
-                            continue;
-
-                        var newComp = (Component) _compFactory.GetComponent(compChange.ComponentName!);
-                        newComp.Owner = entity;
-                        compMan.AddComponent(entity, newComp, true);
-                    }
-                }
+                DispatchMsgEntity(message);
+                return;
             }
 
-            if (curState?.ComponentStates != null)
-            {
-                foreach (var compState in curState.ComponentStates)
-                {
-                    compStateWork[compState.NetID] = (compState, null);
-                }
-            }
+            // MsgEntity is sent with ReliableOrdered so Lidgren guarantees ordering of incoming messages.
+            // We still need to store a sequence input number to ensure ordering remains consistent in
+            // the priority queue.
+            _queue.Add((++_incomingMsgSequence, message));
+        }
 
-            if (nextState?.ComponentStates != null)
+        private void DispatchMsgEntity(MsgEntity message)
+        {
+            switch (message.Type)
             {
-                foreach (var compState in nextState.ComponentStates)
-                {
-                    if (compStateWork.TryGetValue(compState.NetID, out var state))
-                    {
-                        compStateWork[compState.NetID] = (state.curState, compState);
-                    }
-                    else
-                    {
-                        compStateWork[compState.NetID] = (null, compState);
-                    }
-                }
-            }
+                case EntityMessageType.ComponentMessage:
+                    ReceivedComponentMessage?.Invoke(this, new NetworkComponentMessage(message));
+                    return;
 
-            foreach (var (netId, (cur, next)) in compStateWork)
-            {
-                if (compMan.TryGetComponent(entityUid, netId, out var component))
-                {
-                    try
-                    {
-                        component.HandleComponentState(cur, next);
-                    }
-                    catch (Exception e)
-                    {
-                        var wrapper = new ComponentStateApplyException(
-                            $"Failed to apply comp state: entity={component.Owner}, comp={component.Name}", e);
-#if EXCEPTION_TOLERANCE
-                    _runtimeLog.LogException(wrapper, "Component state apply");
-#else
-                        throw wrapper;
-#endif
-                    }
-                }
-                else
-                {
-                    // The component can be null here due to interp.
-                    // Because the NEXT state will have a new component, but this one doesn't yet.
-                    // That's fine though.
-                    if (cur == null)
-                    {
-                        continue;
-                    }
-
-                    var eUid = entityUid;
-                    var eRegisteredNetUidName = _compFactory.GetRegistration(netId).Name;
-                    DebugTools.Assert(
-                        $"Component does not exist for state: entUid={eUid}, expectedNetId={netId}, expectedName={eRegisteredNetUidName}");
-                }
+                case EntityMessageType.SystemMessage:
+                    ReceivedSystemMessage?.Invoke(this, message.SystemMessage);
+                    return;
             }
         }
+
+        private sealed class MessageTickComparer : IComparer<(uint seq, MsgEntity msg)>
+        {
+            public int Compare((uint seq, MsgEntity msg) x, (uint seq, MsgEntity msg) y)
+            {
+                var cmp = y.msg.SourceTick.CompareTo(x.msg.SourceTick);
+                if (cmp != 0)
+                {
+                    return cmp;
+                }
+
+                return y.seq.CompareTo(x.seq);
+            }
+        }
+        #endregion
     }
 }

Robust.Client/GameObjects/ClientEntityNetworkManager.cs

@@ -1,130 +0,0 @@
-using System;
-using System.Collections.Generic;
-using Robust.Client.Interfaces.GameStates;
-using Robust.Shared.GameObjects;
-using Robust.Shared.Interfaces.GameObjects;
-using Robust.Shared.Interfaces.Network;
-using Robust.Shared.Interfaces.Timing;
-using Robust.Shared.IoC;
-using Robust.Shared.Log;
-using Robust.Shared.Network.Messages;
-using Robust.Shared.Utility;
-
-namespace Robust.Client.GameObjects
-{
-    /// <summary>
-    /// The client implementation of the Entity Network Manager.
-    /// </summary>
-    public class ClientEntityNetworkManager : IEntityNetworkManager
-    {
-        [Dependency] private readonly IClientNetManager _networkManager = default!;
-        [Dependency] private readonly IClientGameStateManager _gameStateManager = default!;
-        [Dependency] private readonly IGameTiming _gameTiming = default!;
-
-        /// <inheritdoc />
-        public event EventHandler<NetworkComponentMessage>? ReceivedComponentMessage;
-
-        /// <inheritdoc />
-        public event EventHandler<object>? ReceivedSystemMessage;
-
-        private readonly PriorityQueue<(uint seq, MsgEntity msg)> _queue = new(new MessageTickComparer());
-        private uint _incomingMsgSequence = 0;
-
-        /// <inheritdoc />
-        public void SetupNetworking()
-        {
-            _networkManager.RegisterNetMessage<MsgEntity>(MsgEntity.NAME, HandleEntityNetworkMessage);
-        }
-
-        public void Update()
-        {
-            while (_queue.Count != 0 && _queue.Peek().msg.SourceTick <= _gameStateManager.CurServerTick)
-            {
-                var (_, msg) = _queue.Take();
-                // Logger.DebugS("net.ent", "Dispatching: {0}: {1}", seq, msg);
-                DispatchMsgEntity(msg);
-            }
-        }
-
-        /// <inheritdoc />
-        public void SendSystemNetworkMessage(EntitySystemMessage message)
-        {
-            SendSystemNetworkMessage(message, default(uint));
-        }
-
-        public void SendSystemNetworkMessage(EntitySystemMessage message, uint sequence)
-        {
-            var msg = _networkManager.CreateNetMessage<MsgEntity>();
-            msg.Type = EntityMessageType.SystemMessage;
-            msg.SystemMessage = message;
-            msg.SourceTick = _gameTiming.CurTick;
-            msg.Sequence = sequence;
-
-            _networkManager.ClientSendMessage(msg);
-        }
-
-        /// <inheritdoc />
-        public void SendSystemNetworkMessage(EntitySystemMessage message, INetChannel channel)
-        {
-            throw new NotSupportedException();
-        }
-
-        /// <inheritdoc />
-        public void SendComponentNetworkMessage(INetChannel? channel, IEntity entity, IComponent component, ComponentMessage message)
-        {
-            if (!component.NetID.HasValue)
-                throw new ArgumentException($"Component {component.Name} does not have a NetID.", nameof(component));
-
-            var msg = _networkManager.CreateNetMessage<MsgEntity>();
-            msg.Type = EntityMessageType.ComponentMessage;
-            msg.EntityUid = entity.Uid;
-            msg.NetId = component.NetID.Value;
-            msg.ComponentMessage = message;
-            msg.SourceTick = _gameTiming.CurTick;
-
-            _networkManager.ClientSendMessage(msg);
-        }
-
-        private void HandleEntityNetworkMessage(MsgEntity message)
-        {
-            if (message.SourceTick <= _gameStateManager.CurServerTick)
-            {
-                DispatchMsgEntity(message);
-                return;
-            }
-
-            // MsgEntity is sent with ReliableOrdered so Lidgren guarantees ordering of incoming messages.
-            // We still need to store a sequence input number to ensure ordering remains consistent in
-            // the priority queue.
-            _queue.Add((++_incomingMsgSequence, message));
-        }
-
-        private void DispatchMsgEntity(MsgEntity message)
-        {
-            switch (message.Type)
-            {
-                case EntityMessageType.ComponentMessage:
-                    ReceivedComponentMessage?.Invoke(this, new NetworkComponentMessage(message));
-                    return;
-
-                case EntityMessageType.SystemMessage:
-                    ReceivedSystemMessage?.Invoke(this, message.SystemMessage);
-                    return;
-            }
-        }
-
-        private sealed class MessageTickComparer : IComparer<(uint seq, MsgEntity msg)>
-        {
-            public int Compare((uint seq, MsgEntity msg) x, (uint seq, MsgEntity msg) y)
-            {
-                var cmp = y.msg.SourceTick.CompareTo(x.msg.SourceTick);
-                if (cmp != 0)
-                {
-                    return cmp;
-                }
-
-                return y.seq.CompareTo(x.seq);
-            }
-        }
-    }
-}

Robust.Client/GameObjects/Components/Animations/AnimationPlayerComponent.cs

@@ -5,7 +5,7 @@ using Robust.Client.Animations;
 using Robust.Shared.GameObjects;
 using static Robust.Client.Animations.AnimationPlaybackShared;
 
-namespace Robust.Client.GameObjects.Components.Animations
+namespace Robust.Client.GameObjects
 {
     /// <summary>
     ///     Plays back <see cref="Animation"/>s on entities.
@@ -48,11 +48,21 @@ namespace Robust.Client.GameObjects.Components.Animations
                 return;
             }
 
+            List<string>? toRemove = null;
             // TODO: Get rid of this ToArray() allocation.
             foreach (var (key, playback) in _playingAnimations.ToArray())
             {
                 var keep = UpdatePlayback(Owner, playback, frameTime);
                 if (!keep)
+                {
+                    toRemove ??= new List<string>();
+                    toRemove.Add(key);
+                }
+            }
+
+            if (toRemove != null)
+            {
+                foreach (var key in toRemove)
                 {
                     _playingAnimations.Remove(key);
                     AnimationCompleted?.Invoke(key);

Robust.Client/GameObjects/Components/Appearance/AppearanceComponent.cs

@@ -1,15 +1,10 @@
 using System;
 using System.Collections.Generic;
 using System.Diagnostics.CodeAnalysis;
-using Robust.Client.GameObjects.EntitySystems;
 using Robust.Shared.GameObjects;
-using Robust.Shared.GameObjects.Components.Appearance;
-using Robust.Shared.GameObjects.Systems;
-using Robust.Shared.Interfaces.GameObjects;
-using Robust.Shared.Interfaces.Reflection;
 using Robust.Shared.IoC;
-using Robust.Shared.Serialization;
-using Robust.Shared.Utility;
+using Robust.Shared.Reflection;
+using Robust.Shared.Serialization.Manager.Attributes;
 using Robust.Shared.ViewVariables;
 using YamlDotNet.RepresentationModel;
 
@@ -19,13 +14,11 @@ namespace Robust.Client.GameObjects
     {
         [ViewVariables]
         private Dictionary<object, object> data = new();
+
         [ViewVariables]
+        [DataField("visuals")]
         internal List<AppearanceVisualizer> Visualizers = new();
 
-        [Dependency] private readonly IReflectionManager _reflectionManager = default!;
-
-        private static bool _didRegisterSerializer;
-
         [ViewVariables]
         private bool _appearanceDirty;
 
@@ -54,17 +47,17 @@ namespace Robust.Client.GameObjects
             return (T) data[key];
         }
 
-        public override bool TryGetData<T>(Enum key, [MaybeNullWhen(false)] out T data)
+        public override bool TryGetData<T>(Enum key, [NotNullWhen(true)] out T data)
         {
             return TryGetData(key, out data);
         }
 
-        public override bool TryGetData<T>(string key, [MaybeNullWhen(false)] out T data)
+        public override bool TryGetData<T>(string key, [NotNullWhen(true)] out T data)
         {
             return TryGetData(key, out data);
         }
 
-        internal bool TryGetData<T>(object key, [MaybeNullWhen(false)] out T data)
+        internal bool TryGetData<T>(object key, [NotNullWhen(true)] out T data)
         {
             if (this.data.TryGetValue(key, out var dat))
             {
@@ -72,12 +65,14 @@ namespace Robust.Client.GameObjects
                 return true;
             }
 
-            data = default;
+            data = default!;
             return false;
         }
 
         private void SetData(object key, object value)
         {
+            if (data.TryGetValue(key, out var existing) && existing.Equals(value)) return;
+
             data[key] = value;
 
             MarkDirty();
@@ -85,10 +80,9 @@ namespace Robust.Client.GameObjects
 
         public override void HandleComponentState(ComponentState? curState, ComponentState? nextState)
         {
-            if (curState == null)
+            if (curState is not AppearanceComponentState actualState)
                 return;
 
-            var actualState = (AppearanceComponentState) curState;
             data = actualState.Data;
             MarkDirty();
         }
@@ -100,8 +94,7 @@ namespace Robust.Client.GameObjects
                 return;
             }
 
-            EntitySystem.Get<AppearanceSystem>()
-                .EnqueueAppearanceUpdate(this);
+            EntitySystem.Get<AppearanceSystem>().EnqueueUpdate(this);
             _appearanceDirty = true;
         }
 
@@ -110,18 +103,6 @@ namespace Robust.Client.GameObjects
             _appearanceDirty = false;
         }
 
-        public override void ExposeData(ObjectSerializer serializer)
-        {
-            if (!_didRegisterSerializer)
-            {
-                YamlObjectSerializer.RegisterTypeSerializer(typeof(AppearanceVisualizer),
-                    new VisualizerTypeSerializer(_reflectionManager));
-                _didRegisterSerializer = true;
-            }
-
-            serializer.DataField(ref Visualizers, "visuals", new List<AppearanceVisualizer>());
-        }
-
         public override void Initialize()
         {
             base.Initialize();
@@ -133,108 +114,15 @@ namespace Robust.Client.GameObjects
 
             MarkDirty();
         }
-
-        class VisualizerTypeSerializer : YamlObjectSerializer.TypeSerializer
-        {
-            private readonly IReflectionManager _reflectionManager;
-
-            public VisualizerTypeSerializer(IReflectionManager reflectionManager)
-            {
-                _reflectionManager = reflectionManager;
-            }
-
-            public override object NodeToType(Type type, YamlNode node, YamlObjectSerializer serializer)
-            {
-                var mapping = (YamlMappingNode) node;
-                var nodeType = mapping.GetNode("type");
-                switch (nodeType.AsString())
-                {
-                    case SpriteLayerToggle.NAME:
-                        var keyString = mapping.GetNode("key").AsString();
-                        object key;
-                        if (_reflectionManager.TryParseEnumReference(keyString, out var @enum))
-                        {
-                            key = @enum;
-                        }
-                        else
-                        {
-                            key = keyString;
-                        }
-
-                        var layer = mapping.GetNode("layer").AsInt();
-                        return new SpriteLayerToggle(key, layer);
-
-                    default:
-                        var visType = _reflectionManager.LooseGetType(nodeType.AsString());
-                        if (!typeof(AppearanceVisualizer).IsAssignableFrom(visType))
-                        {
-                            throw new InvalidOperationException();
-                        }
-
-                        var vis = (AppearanceVisualizer) Activator.CreateInstance(visType)!;
-                        vis.LoadData(mapping);
-                        return vis;
-                }
-            }
-
-            public override YamlNode TypeToNode(object obj, YamlObjectSerializer serializer)
-            {
-                switch (obj)
-                {
-                    case SpriteLayerToggle spriteLayerToggle:
-                        YamlScalarNode key;
-                        if (spriteLayerToggle.Key is Enum)
-                        {
-                            var name = spriteLayerToggle.Key.GetType().FullName;
-                            key = new YamlScalarNode($"{name}.{spriteLayerToggle.Key}");
-                        }
-                        else
-                        {
-                            key = new YamlScalarNode(spriteLayerToggle.Key.ToString());
-                        }
-
-                        return new YamlMappingNode
-                        {
-                            {new YamlScalarNode("type"), new YamlScalarNode(SpriteLayerToggle.NAME)},
-                            {new YamlScalarNode("key"), key},
-                            {new YamlScalarNode("layer"), new YamlScalarNode(spriteLayerToggle.SpriteLayer.ToString())},
-                        };
-                    default:
-                        // TODO: A proper way to do serialization here.
-                        // I can't use the ExposeData system here since that's specific to entity serializers.
-                        return new YamlMappingNode();
-                }
-            }
-        }
-
-        internal class SpriteLayerToggle : AppearanceVisualizer
-        {
-            public const string NAME = "sprite_layer_toggle";
-
-            public readonly object Key;
-            public readonly int SpriteLayer;
-
-            public SpriteLayerToggle(object key, int spriteLayer)
-            {
-                Key = key;
-                SpriteLayer = spriteLayer;
-            }
-        }
     }
 
     /// <summary>
     ///     Handles the visualization of data inside of an appearance component.
     ///     Implementations of this class are NOT bound to a specific entity, they are flyweighted across multiple.
     /// </summary>
+    [ImplicitDataDefinitionForInheritors]
     public abstract class AppearanceVisualizer
     {
-        /// <summary>
-        ///     Load data from the prototype declaring this visualizer, to configure settings and such.
-        /// </summary>
-        public virtual void LoadData(YamlMappingNode node)
-        {
-        }
-
         /// <summary>
         ///     Initializes an entity to be managed by this appearance controller.
         ///     DO NOT assume this is your only entity. Visualizers are shared.

Robust.Client/GameObjects/Components/Containers/ContainerManagerComponent.ClientContainer.cs

@@ -1,89 +0,0 @@
-using System;
-using System.Collections.Generic;
-using System.Diagnostics;
-using Robust.Client.GameObjects.EntitySystems;
-using Robust.Shared.GameObjects;
-using Robust.Shared.Interfaces.GameObjects;
-using Robust.Shared.Interfaces.GameObjects.Components;
-using Robust.Shared.ViewVariables;
-
-namespace Robust.Client.GameObjects.Components.Containers
-{
-    public sealed partial class ContainerManagerComponent
-    {
-        [DebuggerDisplay("ClientContainer {Owner.Uid}/{ID}")]
-        private sealed class ClientContainer : IContainer
-        {
-            public List<IEntity> Entities { get; } = new List<IEntity>();
-
-            public ClientContainer(string id, ContainerManagerComponent manager)
-            {
-                ID = id;
-                Manager = manager;
-            }
-
-            [ViewVariables] public IContainerManager Manager { get; }
-            [ViewVariables] public string ID { get; }
-            [ViewVariables] public IEntity Owner => Manager.Owner;
-            [ViewVariables] public bool Deleted { get; private set; }
-            [ViewVariables] public IReadOnlyList<IEntity> ContainedEntities => Entities;
-            [ViewVariables]
-            public bool ShowContents { get; set; }
-            [ViewVariables]
-            public bool OccludesLight { get; set; }
-
-            public bool CanInsert(IEntity toinsert)
-            {
-                return false;
-            }
-
-            public bool Insert(IEntity toinsert)
-            {
-                return false;
-            }
-
-            public bool CanRemove(IEntity toremove)
-            {
-                return false;
-            }
-
-            public bool Remove(IEntity toremove)
-            {
-                return false;
-            }
-
-            public void ForceRemove(IEntity toRemove)
-            {
-                throw new NotSupportedException("Cannot directly modify containers on the client");
-            }
-
-            public bool Contains(IEntity contained)
-            {
-                return Entities.Contains(contained);
-            }
-
-            public void DoInsert(IEntity entity)
-            {
-                Entities.Add(entity);
-
-                Owner.EntityManager.EventBus.RaiseEvent(EventSource.Local, new UpdateContainerOcclusionMessage(entity));
-            }
-
-            public void DoRemove(IEntity entity)
-            {
-                Entities.Remove(entity);
-
-                Owner.EntityManager.EventBus.RaiseEvent(EventSource.Local, new UpdateContainerOcclusionMessage(entity));
-            }
-
-            public void Shutdown()
-            {
-                Deleted = true;
-            }
-        }
-
-        public override void InternalContainerShutdown(IContainer container)
-        {
-        }
-    }
-}

Robust.Client/GameObjects/Components/Containers/ContainerManagerComponent.cs

@@ -1,172 +0,0 @@
-using System;
-using System.Collections.Generic;
-using System.Diagnostics.CodeAnalysis;
-using System.Linq;
-using Robust.Client.GameObjects.EntitySystems;
-using Robust.Shared.GameObjects;
-using Robust.Shared.GameObjects.Components.Containers;
-using Robust.Shared.Interfaces.GameObjects;
-using Robust.Shared.Interfaces.GameObjects.Components;
-using Robust.Shared.ViewVariables;
-
-namespace Robust.Client.GameObjects.Components.Containers
-{
-    public sealed partial class ContainerManagerComponent : SharedContainerManagerComponent
-    {
-        [ViewVariables]
-        private readonly Dictionary<string, ClientContainer> _containers = new();
-
-        public override T MakeContainer<T>(string id)
-        {
-            throw new NotSupportedException("Cannot modify containers on the client.");
-        }
-
-        public override bool Remove(IEntity entity)
-        {
-            // TODO: This will probably need relaxing if we want to predict things like inventories.
-            throw new NotSupportedException("Cannot modify containers on the client.");
-        }
-
-        protected override IEnumerable<IContainer> GetAllContainersImpl()
-        {
-            return _containers.Values.Where(c => !c.Deleted);
-        }
-
-        public override IContainer GetContainer(string id)
-        {
-            return _containers[id];
-        }
-
-        public override bool HasContainer(string id)
-        {
-            return _containers.ContainsKey(id);
-        }
-
-        public override bool TryGetContainer(string id, [NotNullWhen(true)] out IContainer? container)
-        {
-            var ret = _containers.TryGetValue(id, out var cont);
-            container = cont!;
-            return ret;
-        }
-
-        /// <inheritdoc />
-        public override bool TryGetContainer(IEntity entity, [NotNullWhen(true)] out IContainer? container)
-        {
-            foreach (var contain in _containers.Values)
-            {
-                if (!contain.Deleted && contain.Contains(entity))
-                {
-                    container = contain;
-                    return true;
-                }
-            }
-
-            container = default;
-            return false;
-        }
-
-        public override bool ContainsEntity(IEntity entity)
-        {
-            foreach (var container in _containers.Values)
-            {
-                if (!container.Deleted && container.Contains(entity))
-                {
-                    return true;
-                }
-            }
-
-            return false;
-        }
-
-        public override void ForceRemove(IEntity entity)
-        {
-            throw new NotSupportedException("Cannot modify containers on the client.");
-        }
-
-        public override void HandleComponentState(ComponentState? curState, ComponentState? nextState)
-        {
-            if(!(curState is ContainerManagerComponentState cast))
-                return;
-
-            // Delete now-gone containers.
-            List<string>? toDelete = null;
-            foreach (var (id, container) in _containers)
-            {
-                if (!cast.Containers.ContainsKey(id))
-                {
-                    container.Shutdown();
-                    toDelete ??= new List<string>();
-                    toDelete.Add(id);
-                }
-            }
-
-            if (toDelete != null)
-            {
-                foreach (var dead in toDelete)
-                {
-                    _containers.Remove(dead);
-                }
-            }
-
-            // Add new containers and update existing contents.
-            foreach (var (id, data) in cast.Containers)
-            {
-
-                if (!_containers.TryGetValue(id, out var container))
-                {
-                    container = new ClientContainer(id, this);
-                    _containers.Add(id, container);
-                }
-
-                // sync show flag
-                container.ShowContents = data.ShowContents;
-                container.OccludesLight = data.OccludesLight;
-
-                // Remove gone entities.
-                List<IEntity>? toRemove = null;
-                foreach (var entity in container.Entities)
-                {
-                    if (!data.ContainedEntities.Contains(entity.Uid))
-                    {
-                        toRemove ??= new List<IEntity>();
-                        toRemove.Add(entity);
-                    }
-                }
-
-                if (toRemove != null)
-                {
-                    foreach (var goner in toRemove)
-                    {
-                        container.DoRemove(goner);
-                    }
-                }
-
-                // Add new entities.
-                foreach (var uid in data.ContainedEntities)
-                {
-                    var entity = Owner.EntityManager.GetEntity(uid);
-
-                    if (!container.Entities.Contains(entity))
-                    {
-                        container.DoInsert(entity);
-                    }
-                }
-            }
-        }
-
-        protected override void Shutdown()
-        {
-            base.Shutdown();
-
-            // On shutdown we won't get to process remove events in the containers so this has to be manually done.
-            foreach (var container in _containers.Values)
-            {
-                foreach (var containerEntity in container.Entities)
-                {
-                    Owner.EntityManager.EventBus.RaiseEvent(EventSource.Local,
-                        new UpdateContainerOcclusionMessage(containerEntity));
-                }
-            }
-        }
-    }
-}