Replace Lidgren encryption stuff with Libsodium (#2646)

Co-authored-by: Paul <ritter.paul1@googlemail.com>

.github/CODEOWNERS

@@ -1,7 +1,20 @@
 # Last match in file takes precedence.
 
+# Ping for all PRs
+* @Acruid @PJB3005 @Silvertorch5
+
+/Robust.*/Audio/Midi/ @Zumorica
+
+/Robust.Client.NameGenerator @PaulRitter
+/Robust.Client.Injectors @PaulRitter
+/Robust.Generators @PaulRitter
+/Robust.Analyzers @PaulRitter
+/Robust.*/GameStates @PaulRitter
+/Robust.Shared/Analyzers @PaulRitter
+/Robust.*/Serialization @PaulRitter @DrSmugleaf
+/Robust.*/Prototypes @PaulRitter
+/Robust.Shared/GameObjects/ComponentDependencies @PaulRitter
+/Robust.*/Containers @PaulRitter
+
 # Be they Fluent translations or Freemarker templates, I know them both!
 *.ftl @RemieRichards
-
-# Ping for all PRs
-* @Acruid @PJB3005 @Silvertorch5

.github/workflows/benchmarks.yml

@@ -0,0 +1,33 @@
+name: Benchmarks
+#on:
+#  push
+  #schedule:
+  #  - cron: '0 5 * * *'
+  #push:
+  #  tags:
+  #    - 'v*'
+
+env:
+  ROBUST_BENCHMARKS_ENABLE_SQL: 1
+  ROBUST_BENCHMARKS_SQL_ADDRESS: ${{ secrets.BENCHMARKS_WRITE_ADDRESS }}
+  ROBUST_BENCHMARKS_SQL_PORT: ${{ secrets.BENCHMARKS_WRITE_PORT }}
+  ROBUST_BENCHMARKS_SQL_USER: ${{ secrets.BENCHMARKS_WRITE_USER }}
+  ROBUST_BENCHMARKS_SQL_PASSWORD: ${{ secrets.BENCHMARKS_WRITE_PASSWORD }}
+  ROBUST_BENCHMARKS_SQL_DATABASE: benchmarks
+
+jobs:
+  benchmark:
+    name: Run Benchmarks
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+        with:
+          submodules: true
+      - name: Setup .NET Core
+        uses: actions/setup-dotnet@v1
+        with:
+          dotnet-version: 6.0.x
+      - name: Install dependencies
+        run: dotnet restore
+      - name: Run benchmark
+        run: cd Robust.Benchmarks && sudo dotnet run --filter '*' --configuration Release

.github/workflows/build-docfx.yml

@@ -0,0 +1,34 @@
+name: Build & Publish DocFX
+
+on:
+  schedule:
+    - cron: "0 0 * * 0"
+jobs:
+  docfx:
+   runs-on: ubuntu-latest
+   steps: 
+    - uses: actions/checkout@v2
+      with:
+        submodules: true
+
+    - name: Setup .NET Core
+      uses: actions/setup-dotnet@v1
+      with:
+        dotnet-version: 6.0.x
+        
+    - name: Install dependencies
+      run: dotnet restore
+      
+    - name: Build Project
+      run: dotnet build --no-restore /p:WarningsAsErrors=nullable
+
+    - name: Build DocFX
+      uses: nikeee/docfx-action@v1.0.0      
+      with:
+        args: Robust.Docfx/docfx.json
+    
+    - name: Publish Docfx Documentation on GitHub Pages
+      uses: maxheld83/ghpages@master
+      env:
+        BUILD_DIR: Robust.Docfx/_robust-site 
+        GH_PAT: ${{ secrets.GH_PAT }} 

.github/workflows/build-test.yml

@@ -22,10 +22,12 @@ jobs:
     - name: Setup .NET Core
       uses: actions/setup-dotnet@v1
       with:
-        dotnet-version: 6.0.100
+        dotnet-version: 6.0.x
     - name: Install dependencies
       run: dotnet restore
     - name: Build
       run: dotnet build --no-restore /p:WarningsAsErrors=nullable
     - name: Test Engine
       run: dotnet test --no-build Robust.UnitTesting/Robust.UnitTesting.csproj -v n
+ 
+

.gitignore

@@ -41,18 +41,6 @@ _ReSharper*/
 
 # Resources
 *.resources
-/Resources/textures/Animations/*.*
-/Resources/ResourcePack.zip
-/Resources/textures/*_Animations.png
-/Resources/textures/*_Decals.png
-/Resources/textures/*_Effects.png
-/Resources/textures/*_Items.png
-/Resources/textures/*_Objects.png
-/Resources/textures/*_Tiles.png
-/Resources/textures/*_UserInterface.png
-/Resources/textures/*.TAI
-/Resources/SpriteRenderer/Ogre.log
-/Resources/Spriterenderer/output
 /Media
 /setenv.bat
 
@@ -78,16 +66,6 @@ project.lock.json
 # Created by NUnit.
 TestResult.xml
 
-NetSerializerDebug.dll
-
-# We're not gonna ship Mac extlibs with the repo due to size. (11 MB)
-Third-Party/extlibs/Mac/
-# Or the automatically-fetched Windows natives, for that matter.
-Third-Party/extlibs/Windows/
-
-# Actually I'll make this folder because SS14.Shared.Bsdiff isn't third-party is it?
-Dependencies/
-
 # Python stuff
 __pycache__
 .mypy_cache
@@ -98,3 +76,5 @@ MSBuild/Robust.Custom.targets
 
 
 release/
+Robust.Docfx/*-site
+Robust.Docfx/api

MSBuild/Robust.Engine.Version.props

@@ -1,4 +1,4 @@
 <Project>
     <!-- This file automatically reset by Tools/version.py -->
-    <PropertyGroup><Version>0.8.15</Version></PropertyGroup>
+    <PropertyGroup><Version>0.8.86</Version></PropertyGroup>
 </Project>

Resources/.gitignore

@@ -1,8 +0,0 @@
-# .import files are made by Godot because the assets are exposed if using symlinks.
-# IF you need to persist a .import file because of something used Godot-side (GUI-side),
-# you can do a negation with !.
-*.import
-# Negation would be like this:
-#!/Textures/UserInterface/1pxwhite.png.import
-!/Scenes/SS14Window/closewindow.png.import
-/I_MADE_THE_SYMLINK

Resources/Locale/en-US/defaultwindow.ftl

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

Resources/Locale/en-US/ss14window.ftl

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

Resources/Textures/Logo/logo.png.yml

@@ -1,2 +0,0 @@
-sample:
-  filter: true

Resources/Textures/Logo/logo.svg

@@ -1,152 +0,0 @@
-<?xml version="1.0" encoding="UTF-8" standalone="no"?>
-<!-- Created with Inkscape (http://www.inkscape.org/) -->
-
-<svg
-   xmlns:dc="http://purl.org/dc/elements/1.1/"
-   xmlns:cc="http://creativecommons.org/ns#"
-   xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
-   xmlns:svg="http://www.w3.org/2000/svg"
-   xmlns="http://www.w3.org/2000/svg"
-   xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd"
-   xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape"
-   width="113.67364mm"
-   height="56.37999mm"
-   viewBox="0 0 113.67364 56.37999"
-   version="1.1"
-   id="svg3223"
-   inkscape:version="0.92.4 5da689c313, 2019-01-14"
-   sodipodi:docname="logo.svg"
-   inkscape:export-filename="/home/pj/Projects/space-station-14/RobustToolbox/Resources/Textures/Logo/logo.png"
-   inkscape:export-xdpi="67.034012"
-   inkscape:export-ydpi="67.034012">
-  <defs
-     id="defs3217" />
-  <sodipodi:namedview
-     id="base"
-     pagecolor="#ffffff"
-     bordercolor="#666666"
-     borderopacity="1.0"
-     inkscape:pageopacity="0.0"
-     inkscape:pageshadow="2"
-     inkscape:zoom="0.98994949"
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-     inkscape:cy="149.8376"
-     inkscape:document-units="mm"
-     inkscape:current-layer="layer1"
-     showgrid="false"
-     inkscape:pagecheckerboard="true"
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-     inkscape:window-height="1043"
-     inkscape:window-x="0"
-     inkscape:window-y="0"
-     inkscape:window-maximized="1" />
-  <metadata
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-    <rdf:RDF>
-      <cc:Work
-         rdf:about="">
-        <dc:format>image/svg+xml</dc:format>
-        <dc:type
-           rdf:resource="http://purl.org/dc/dcmitype/StillImage" />
-        <dc:title></dc:title>
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Robust.Analyzers/Diagnostics.cs

@@ -1,10 +1,14 @@
 using Microsoft.CodeAnalysis;
 
-namespace Robust.Generators
+namespace Robust.Analyzers;
+
+public static class Diagnostics
 {
-    public static class Diagnostics
-    {
-        public static SuppressionDescriptor MeansImplicitAssignment =>
-            new SuppressionDescriptor("RADC1000", "CS0649", "Marked as implicitly assigned.");
-    }
+    public const string IdExplicitInterface = "RA0000";
+    public const string IdSerializable = "RA0001";
+    public const string IdFriend = "RA0002";
+    public const string IdExplicitVirtual = "RA0003";
+
+    public static SuppressionDescriptor MeansImplicitAssignment =>
+        new SuppressionDescriptor("RADC1000", "CS0649", "Marked as implicitly assigned.");
 }

Robust.Analyzers/ExplicitInterfaceAnalyzer.cs

@@ -24,14 +24,14 @@ namespace Robust.Analyzers
             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);
+        [SuppressMessage("ReSharper", "RS2008")] private static readonly DiagnosticDescriptor Rule = new(
+            Diagnostics.IdExplicitInterface,
+            "No explicit interface specified",
+            "No explicit interface specified",
+            "Usage",
+            DiagnosticSeverity.Warning,
+            isEnabledByDefault: true,
+            description: "Make sure to specify the interface in your method-declaration.");
 
         private const string RequiresExplicitImplementationAttributeMetadataName =
             "Robust.Shared.Analyzers.RequiresExplicitImplementationAttribute";

Robust.Analyzers/ExplicitVirtualAnalyzer.cs

@@ -0,0 +1,176 @@
+using System.Collections.Immutable;
+using System.Diagnostics.CodeAnalysis;
+using System.Linq;
+using Microsoft.CodeAnalysis;
+using Microsoft.CodeAnalysis.CSharp;
+using Microsoft.CodeAnalysis.CSharp.Syntax;
+using Microsoft.CodeAnalysis.Diagnostics;
+
+namespace Robust.Analyzers;
+
+[DiagnosticAnalyzer(LanguageNames.CSharp)]
+public sealed class ExplicitVirtualAnalyzer : DiagnosticAnalyzer
+{
+    internal const string Attribute = "Robust.Shared.Analyzers.VirtualAttribute";
+
+    [SuppressMessage("ReSharper", "RS2008")]
+    private static readonly DiagnosticDescriptor Rule = new(
+        Diagnostics.IdExplicitVirtual,
+        "Class must be explicitly marked as [Virtual], abstract, static or sealed",
+        "Class must be explicitly marked as [Virtual], abstract, static or sealed",
+        "Usage",
+        DiagnosticSeverity.Warning,
+        isEnabledByDefault: true,
+        description: "Class must be explicitly marked as [Virtual], abstract, static or sealed.");
+
+    public override ImmutableArray<DiagnosticDescriptor> SupportedDiagnostics => ImmutableArray.Create(Rule);
+
+    public override void Initialize(AnalysisContext context)
+    {
+        context.ConfigureGeneratedCodeAnalysis(GeneratedCodeAnalysisFlags.None);
+        context.EnableConcurrentExecution();
+        context.RegisterSyntaxNodeAction(AnalyzeNode, SyntaxKind.ClassDeclaration);
+    }
+
+    private static bool HasAttribute(INamedTypeSymbol namedTypeSymbol, INamedTypeSymbol attrSymbol)
+    {
+        return namedTypeSymbol.GetAttributes()
+            .Any(a => SymbolEqualityComparer.Default.Equals(a.AttributeClass, attrSymbol));
+    }
+
+    private static void AnalyzeNode(SyntaxNodeAnalysisContext context)
+    {
+        var attrSymbol = context.Compilation.GetTypeByMetadataName(Attribute);
+        var classDecl = (ClassDeclarationSyntax)context.Node;
+        var classSymbol = context.SemanticModel.GetDeclaredSymbol(classDecl);
+        if (classSymbol == null)
+            return;
+
+        if (classSymbol.IsSealed || classSymbol.IsAbstract || classSymbol.IsStatic)
+            return;
+
+        if (HasAttribute(classSymbol, attrSymbol))
+            return;
+
+        var diag = Diagnostic.Create(Rule, classDecl.Keyword.GetLocation());
+        context.ReportDiagnostic(diag);
+    }
+}
+
+// Doesn't work as I'd hoped: Roslyn doesn't provide an API for global usings and I can't get batch changes to work.
+/*
+[ExportCodeFixProvider(LanguageNames.CSharp)]
+public sealed class ExplicitVirtualCodeFixProvider : CodeFixProvider
+{
+    private const string TitleSealed = "Annotate class as sealed.";
+    private const string TitleVirtual = "Annotate class as [Virtual].";
+    private const string TitleAbstract = "Annotate class as abstract.";
+    private const string TitleStatic = "Annotate class as static.";
+
+    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();
+
+            context.RegisterCodeFix(
+                CodeAction.Create(
+                    TitleVirtual,
+                    c => FixVirtualAsync(context.Document, classDecl, c),
+                    TitleVirtual),
+                diagnostic);
+
+            context.RegisterCodeFix(
+                CodeAction.Create(
+                    TitleStatic,
+                    c => FixStaticAsync(context.Document, classDecl, c),
+                    TitleStatic),
+                diagnostic);
+
+            context.RegisterCodeFix(
+                CodeAction.Create(
+                    TitleSealed,
+                    c => FixSealedAsync(context.Document, classDecl, c),
+                    TitleSealed),
+                diagnostic);
+
+            context.RegisterCodeFix(
+                CodeAction.Create(
+                    TitleAbstract,
+                    c => FixAbstractAsync(context.Document, classDecl, c),
+                    TitleAbstract),
+                diagnostic);
+        }
+    }
+
+    private async Task<Document> FixVirtualAsync(
+        Document document,
+        ClassDeclarationSyntax classDecl,
+        CancellationToken cancellationToken)
+    {
+        var ns = "Robust.Shared.Analyzers";
+        var attrib = SyntaxFactory.Attribute(SyntaxFactory.ParseName("Virtual"));
+
+        var newClassDecl = classDecl.AddAttributeLists(
+            SyntaxFactory.AttributeList(SyntaxFactory.SeparatedList(new[] { attrib })));
+
+        var root = (CompilationUnitSyntax)await document.GetSyntaxRootAsync(cancellationToken);
+        root = root.ReplaceNode(classDecl, newClassDecl);
+
+        var options = await document.GetOptionsAsync(cancellationToken);
+
+        if (root.Usings.All(u => u.Name.ToString() != ns))
+        {
+            root = root.AddUsings(SyntaxFactory.UsingDirective(SyntaxFactory.ParseName(ns)));
+        }
+
+        return document.WithSyntaxRoot(root);
+    }
+
+    private async Task<Document> FixStaticAsync(
+        Document document,
+        ClassDeclarationSyntax classDecl,
+        CancellationToken cancellationToken)
+    {
+        var newClassDecl = classDecl.AddModifiers(SyntaxFactory.Token(SyntaxKind.StaticKeyword));
+
+        var root = (CompilationUnitSyntax)await document.GetSyntaxRootAsync(cancellationToken);
+        root = root.ReplaceNode(classDecl, newClassDecl);
+
+        return document.WithSyntaxRoot(root);
+    }
+
+    private async Task<Document> FixAbstractAsync(
+        Document document,
+        ClassDeclarationSyntax classDecl,
+        CancellationToken cancellationToken)
+    {
+        var newClassDecl = classDecl.AddModifiers(SyntaxFactory.Token(SyntaxKind.AbstractKeyword));
+
+        var root = (CompilationUnitSyntax)await document.GetSyntaxRootAsync(cancellationToken);
+        root = root.ReplaceNode(classDecl, newClassDecl);
+
+        return document.WithSyntaxRoot(root);
+    }
+
+    private async Task<Document> FixSealedAsync(
+        Document document,
+        ClassDeclarationSyntax classDecl,
+        CancellationToken cancellationToken)
+    {
+        var newClassDecl = classDecl.AddModifiers(SyntaxFactory.Token(SyntaxKind.SealedKeyword));
+
+        var root = (CompilationUnitSyntax)await document.GetSyntaxRootAsync(cancellationToken);
+        root = root.ReplaceNode(classDecl, newClassDecl);
+
+        return document.WithSyntaxRoot(root);
+    }
+
+    public override FixAllProvider GetFixAllProvider() => WellKnownFixAllProviders.BatchFixer;
+    public override ImmutableArray<string> FixableDiagnosticIds => ImmutableArray.Create(Diagnostics.IdExplicitVirtual);
+}
+*/

Robust.Analyzers/FriendAnalyzer.cs

@@ -14,15 +14,15 @@ namespace Robust.Analyzers
     {
         const string FriendAttribute = "Robust.Shared.Analyzers.FriendAttribute";
 
-        public const string DiagnosticId = "RA0002";
-
-        private const string Title = "Tried to access friend-only member";
-        private const string MessageFormat = "Tried to access member \"{0}\" in class \"{1}\" which can only be accessed by friend classes";
-        private const string Description = "Make sure to specify the accessing class in the friends attribute.";
-        private const string Category = "Usage";
-
         [SuppressMessage("ReSharper", "RS2008")]
-        private static readonly DiagnosticDescriptor Rule = new (DiagnosticId, Title, MessageFormat, Category, DiagnosticSeverity.Error, true, Description);
+        private static readonly DiagnosticDescriptor Rule = new (
+            Diagnostics.IdFriend,
+            "Tried to access friend-only member",
+            "Tried to access member \"{0}\" in class \"{1}\" which can only be accessed by friend classes",
+            "Usage",
+            DiagnosticSeverity.Error,
+            true,
+            "Make sure to specify the accessing class in the friends attribute.");
 
         public override ImmutableArray<DiagnosticDescriptor> SupportedDiagnostics => ImmutableArray.Create(Rule);
 

Robust.Analyzers/MeansImplicitAssigmentSuppressor.cs

@@ -1,9 +1,7 @@
-using System;
 using System.Collections.Immutable;
 using System.Linq;
 using Microsoft.CodeAnalysis;
 using Microsoft.CodeAnalysis.Diagnostics;
-using Robust.Generators;
 
 namespace Robust.Analyzers
 {

Robust.Analyzers/Robust.Analyzers.csproj

@@ -2,13 +2,13 @@
 
   <PropertyGroup>
     <TargetFramework>netstandard2.0</TargetFramework>
-    <LangVersion>9</LangVersion>
+    <LangVersion>10</LangVersion>
   </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" />
+    <PackageReference Include="Microsoft.CodeAnalysis.CSharp" Version="4.0.1" PrivateAssets="all" />
+    <PackageReference Include="Microsoft.CodeAnalysis.Analyzers" Version="3.3.3" PrivateAssets="all" />
+    <PackageReference Include="Microsoft.CodeAnalysis.Workspaces.Common" Version="4.0.1" />
   </ItemGroup>
 
 </Project>

Robust.Analyzers/SerializableAnalyzer.cs

@@ -17,19 +17,21 @@ namespace Robust.Analyzers
     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);
+        [SuppressMessage("ReSharper", "RS2008")] private static readonly DiagnosticDescriptor Rule = new(
+            Diagnostics.IdSerializable,
+            "Class not marked as (Net)Serializable",
+            "Class not marked as (Net)Serializable",
+            "Usage",
+            DiagnosticSeverity.Warning,
+            isEnabledByDefault: true,
+            description: "The class should be marked as (Net)Serializable.");
 
         public override ImmutableArray<DiagnosticDescriptor> SupportedDiagnostics => ImmutableArray.Create(Rule);
 
@@ -139,7 +141,8 @@ namespace Robust.Analyzers
             return document.WithSyntaxRoot(root);
         }
 
-        public sealed override ImmutableArray<string> FixableDiagnosticIds => ImmutableArray.Create(SerializableAnalyzer.DiagnosticId);
+        public sealed override ImmutableArray<string> FixableDiagnosticIds
+            => ImmutableArray.Create(Diagnostics.IdSerializable);
 
         public override FixAllProvider GetFixAllProvider()
         {

Robust.Benchmarks/Configs/DefaultSQLConfig.cs

@@ -0,0 +1,53 @@
+using System.Collections.Generic;
+using System.Globalization;
+using BenchmarkDotNet.Analysers;
+using BenchmarkDotNet.Columns;
+using BenchmarkDotNet.Configs;
+using BenchmarkDotNet.Diagnosers;
+using BenchmarkDotNet.Exporters;
+using BenchmarkDotNet.Filters;
+using BenchmarkDotNet.Jobs;
+using BenchmarkDotNet.Loggers;
+using BenchmarkDotNet.Order;
+using BenchmarkDotNet.Reports;
+using BenchmarkDotNet.Validators;
+using Robust.Benchmarks.Exporters;
+
+namespace Robust.Benchmarks.Configs;
+
+public sealed class DefaultSQLConfig : IConfig
+{
+    public static readonly IConfig Instance = new DefaultSQLConfig();
+
+    private DefaultSQLConfig(){}
+
+    public IEnumerable<IExporter> GetExporters()
+    {
+        yield return SQLExporter.Default;
+    }
+
+    public IEnumerable<IColumnProvider> GetColumnProviders() => DefaultConfig.Instance.GetColumnProviders();
+
+    public IEnumerable<ILogger> GetLoggers() => DefaultConfig.Instance.GetLoggers();
+
+    public IEnumerable<IDiagnoser> GetDiagnosers() => DefaultConfig.Instance.GetDiagnosers();
+
+    public IEnumerable<IAnalyser> GetAnalysers() => DefaultConfig.Instance.GetAnalysers();
+
+    public IEnumerable<Job> GetJobs() => DefaultConfig.Instance.GetJobs();
+
+    public IEnumerable<IValidator> GetValidators() => DefaultConfig.Instance.GetValidators();
+
+    public IEnumerable<HardwareCounter> GetHardwareCounters() => DefaultConfig.Instance.GetHardwareCounters();
+
+    public IEnumerable<IFilter> GetFilters() => DefaultConfig.Instance.GetFilters();
+
+    public IEnumerable<BenchmarkLogicalGroupRule> GetLogicalGroupRules() => DefaultConfig.Instance.GetLogicalGroupRules();
+
+    public IOrderer Orderer => DefaultConfig.Instance.Orderer!;
+    public SummaryStyle SummaryStyle => DefaultConfig.Instance.SummaryStyle;
+    public ConfigUnionRule UnionRule => DefaultConfig.Instance.UnionRule;
+    public string ArtifactsPath => DefaultConfig.Instance.ArtifactsPath;
+    public CultureInfo CultureInfo => DefaultConfig.Instance.CultureInfo!;
+    public ConfigOptions Options => DefaultConfig.Instance.Options;
+}

Robust.Benchmarks/EntityManager/AddRemoveComponentBenchmark.cs

@@ -0,0 +1,54 @@
+using BenchmarkDotNet.Attributes;
+using JetBrains.Annotations;
+using Robust.Shared.Analyzers;
+using Robust.Shared.GameObjects;
+using Robust.Shared.Map;
+using Robust.UnitTesting.Server;
+
+namespace Robust.Benchmarks.EntityManager;
+
+[Virtual]
+public class AddRemoveComponentBenchmark
+{
+    private ISimulation _simulation = default!;
+    private IEntityManager _entityManager = default!;
+
+    [UsedImplicitly]
+    [Params(1, 10, 100, 1000)]
+    public int N;
+
+    [GlobalSetup]
+    public void GlobalSetup()
+    {
+        _simulation = RobustServerSimulation
+            .NewSimulation()
+            .RegisterComponents(f => f.RegisterClass<A>())
+            .InitializeInstance();
+
+        _entityManager = _simulation.Resolve<IEntityManager>();
+
+        var coords = new MapCoordinates(0, 0, new MapId(1));
+        _simulation.AddMap(coords.MapId);
+
+        for (var i = 0; i < N; i++)
+        {
+            _entityManager.SpawnEntity(null, coords);
+        }
+    }
+
+    [Benchmark]
+    public void AddRemoveComponent()
+    {
+        for (var i = 2; i <= N+1; i++)
+        {
+            var uid = new EntityUid(i);
+            _entityManager.AddComponent<A>(uid);
+            _entityManager.RemoveComponent<A>(uid);
+        }
+    }
+
+    [ComponentProtoName("A")]
+    public sealed class A : Component
+    {
+    }
+}

Robust.Benchmarks/EntityManager/GetComponentBenchmark.cs

@@ -0,0 +1,61 @@
+using System;
+using BenchmarkDotNet.Attributes;
+using JetBrains.Annotations;
+using Robust.Shared.Analyzers;
+using Robust.Shared.GameObjects;
+using Robust.Shared.Map;
+using Robust.UnitTesting.Server;
+
+namespace Robust.Benchmarks.EntityManager;
+
+[Virtual]
+public class GetComponentBenchmark
+{
+    private ISimulation _simulation = default!;
+    private IEntityManager _entityManager = default!;
+
+    [UsedImplicitly]
+    [Params(1, 10, 100, 1000)]
+    public int N;
+
+    public A[] Comps = default!;
+
+    [GlobalSetup]
+    public void GlobalSetup()
+    {
+        _simulation = RobustServerSimulation
+            .NewSimulation()
+            .RegisterComponents(f => f.RegisterClass<A>())
+            .InitializeInstance();
+
+        _entityManager = _simulation.Resolve<IEntityManager>();
+
+        Comps = new A[N+2];
+
+        var coords = new MapCoordinates(0, 0, new MapId(1));
+        _simulation.AddMap(coords.MapId);
+
+        for (var i = 0; i < N; i++)
+        {
+            var uid = _entityManager.SpawnEntity(null, coords);
+            _entityManager.AddComponent<A>(uid);
+        }
+    }
+
+    [Benchmark]
+    public A[] GetComponent()
+    {
+        for (var i = 2; i <= N+1; i++)
+        {
+            Comps[i] = _entityManager.GetComponent<A>(new EntityUid(i));
+        }
+
+        // Return something so the JIT doesn't optimize out all the GetComponent calls.
+        return Comps;
+    }
+
+    [ComponentProtoName("A")]
+    public sealed class A : Component
+    {
+    }
+}

Robust.Benchmarks/EntityManager/SpawnDeleteEntityBenchmark.cs

@@ -0,0 +1,62 @@
+using BenchmarkDotNet.Attributes;
+using JetBrains.Annotations;
+using Robust.Shared.Analyzers;
+using Robust.Shared.GameObjects;
+using Robust.Shared.Map;
+using Robust.UnitTesting.Server;
+
+namespace Robust.Benchmarks.EntityManager;
+
+[Virtual]
+public class SpawnDeleteEntityBenchmark
+{
+    private ISimulation _simulation = default!;
+    private IEntityManager _entityManager = default!;
+
+    private MapCoordinates _mapCoords = MapCoordinates.Nullspace;
+    private EntityCoordinates _entCoords = EntityCoordinates.Invalid;
+
+    [UsedImplicitly]
+    [Params(1, 10, 100, 1000)]
+    public int N;
+
+    [GlobalSetup]
+    public void GlobalSetup()
+    {
+        _simulation = RobustServerSimulation
+            .NewSimulation()
+            .RegisterComponents(f => f.RegisterClass<A>())
+            .InitializeInstance();
+
+        _entityManager = _simulation.Resolve<IEntityManager>();
+
+        _mapCoords = new MapCoordinates(0, 0, new MapId(1));
+        var uid = _simulation.AddMap(_mapCoords.MapId);
+        _entCoords = new EntityCoordinates(uid, 0, 0);
+    }
+
+    [Benchmark(Baseline = true)]
+    public void SpawnDeleteEntityMapCoords()
+    {
+        for (var i = 0; i < N; i++)
+        {
+            var uid = _entityManager.SpawnEntity(null, _mapCoords);
+            _entityManager.DeleteEntity(uid);
+        }
+    }
+
+    [Benchmark]
+    public void SpawnDeleteEntityEntCoords()
+    {
+        for (var i = 0; i < N; i++)
+        {
+            var uid = _entityManager.SpawnEntity(null, _entCoords);
+            _entityManager.DeleteEntity(uid);
+        }
+    }
+
+    [ComponentProtoName("A")]
+    public sealed class A : Component
+    {
+    }
+}

Robust.Benchmarks/Exporters/SQLExporter.cs

@@ -0,0 +1,143 @@
+using System;
+using System.Collections.Generic;
+using System.ComponentModel.DataAnnotations;
+using System.ComponentModel.DataAnnotations.Schema;
+using System.Diagnostics.CodeAnalysis;
+using System.Linq;
+using BenchmarkDotNet.Exporters;
+using BenchmarkDotNet.Loggers;
+using BenchmarkDotNet.Mathematics;
+using BenchmarkDotNet.Reports;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Design;
+using Npgsql;
+
+namespace Robust.Benchmarks.Exporters;
+
+public sealed class SQLExporter : IExporter
+{
+    public static readonly IExporter Default = new SQLExporter();
+
+    private SQLExporter(){}
+
+    public void ExportToLog(Summary summary, ILogger logger)
+    {
+        Export(summary, logger);
+    }
+
+    public IEnumerable<string> ExportToFiles(Summary summary, ILogger consoleLogger)
+    {
+        Export(summary, consoleLogger);
+        return Array.Empty<string>();
+    }
+
+    private bool TryGetEnvironmentVariable(string name, ILogger logger, [NotNullWhen(true)] out string? value)
+    {
+        value = Environment.GetEnvironmentVariable(name);
+        if (value == null)
+            logger.WriteError($"ROBUST_BENCHMARKS_ENABLE_SQL is set, but {name} is missing.");
+        return value != null;
+    }
+
+    private void Export(Summary summary, ILogger logger)
+    {
+        if (!TryGetEnvironmentVariable("ROBUST_BENCHMARKS_SQL_ADDRESS", logger, out var address) ||
+            !TryGetEnvironmentVariable("ROBUST_BENCHMARKS_SQL_PORT", logger, out var rawPort) ||
+            !TryGetEnvironmentVariable("ROBUST_BENCHMARKS_SQL_USER", logger, out var user) ||
+            !TryGetEnvironmentVariable("ROBUST_BENCHMARKS_SQL_PASSWORD", logger, out var password) ||
+            !TryGetEnvironmentVariable("ROBUST_BENCHMARKS_SQL_DATABASE", logger, out var db) ||
+            !TryGetEnvironmentVariable("GITHUB_SHA", logger, out var gitHash))
+            return;
+
+        if (!int.TryParse(rawPort, out var port))
+        {
+            logger.WriteError("Failed parsing ROBUST_BENCHMARKS_SQL_PORT to int.");
+            return;
+        }
+
+        var builder = new DbContextOptionsBuilder<BenchmarkContext>();
+        var connectionString = new NpgsqlConnectionStringBuilder
+        {
+            Host = address,
+            Port = port,
+            Database = db,
+            Username = user,
+            Password = password
+        }.ConnectionString;
+        builder.UseNpgsql(connectionString);
+        using var ctx = new BenchmarkContext(builder.Options);
+        try
+        {
+            ctx.Database.Migrate();
+            ctx.BenchmarkRuns.Add(BenchmarkRun.FromSummary(summary, gitHash));
+            ctx.SaveChanges();
+        }
+        finally
+        {
+            ctx.Dispose();
+        }
+    }
+
+    public string Name => "sql";
+}
+
+public sealed class DesignTimeContextFactoryPostgres : IDesignTimeDbContextFactory<BenchmarkContext>
+{
+    public BenchmarkContext CreateDbContext(string[] args)
+    {
+        var optionsBuilder = new DbContextOptionsBuilder<BenchmarkContext>();
+        optionsBuilder.UseNpgsql("Server=localhost");
+        return new BenchmarkContext(optionsBuilder.Options);
+    }
+}
+
+public class BenchmarkContext : DbContext
+{
+    public DbSet<BenchmarkRun> BenchmarkRuns { get; set; } = default!;
+
+    public BenchmarkContext() { }
+    public BenchmarkContext(DbContextOptions<BenchmarkContext> options) : base(options) { }
+}
+
+public class BenchmarkRun
+{
+    [Key, DatabaseGenerated(DatabaseGeneratedOption.Identity)]
+    public ulong Id { get; set; }
+    public string GitHash { get; set; } = string.Empty;
+    [Column(TypeName = "timestamptz")]
+    public DateTime RunDate { get; set; }
+    public string Name { get; set; } = string.Empty;
+    [Column(TypeName = "jsonb")]
+    public BenchmarkRunReport[] Reports { get; set; } = Array.Empty<BenchmarkRunReport>();
+
+    public static BenchmarkRun FromSummary(Summary summary, string gitHash)
+    {
+        return new BenchmarkRun
+        {
+            Reports = summary.Reports.Select(r => new BenchmarkRunReport
+            {
+                Parameters = r.BenchmarkCase.Parameters.Items.Select(p => new BenchmarkRunParameter
+                {
+                    Name = p.Name,
+                    Value = p.Value
+                }).ToArray(),
+                Statistics = r.ResultStatistics
+            }).ToArray(),
+            Name = summary.BenchmarksCases.First().FolderInfo,
+            RunDate = DateTime.UtcNow,
+            GitHash = gitHash
+        };
+    }
+}
+
+public class BenchmarkRunReport
+{
+    public BenchmarkRunParameter[] Parameters { get; set; } = Array.Empty<BenchmarkRunParameter>();
+    public Statistics Statistics { get; set; } = default!;
+}
+
+public class BenchmarkRunParameter
+{
+    public string Name { get; set; } = string.Empty;
+    public object Value { get; set; } = default!;
+}

Robust.Benchmarks/Migrations/20220328231938_InitialCreate.Designer.cs

@@ -0,0 +1,55 @@
+// <auto-generated />
+using System;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Infrastructure;
+using Microsoft.EntityFrameworkCore.Migrations;
+using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
+using Npgsql.EntityFrameworkCore.PostgreSQL.Metadata;
+using Robust.Benchmarks.Exporters;
+
+#nullable disable
+
+namespace Robust.Benchmarks.Migrations
+{
+    [DbContext(typeof(BenchmarkContext))]
+    [Migration("20220328231938_InitialCreate")]
+    partial class InitialCreate
+    {
+        protected override void BuildTargetModel(ModelBuilder modelBuilder)
+        {
+#pragma warning disable 612, 618
+            modelBuilder
+                .HasAnnotation("ProductVersion", "6.0.0")
+                .HasAnnotation("Relational:MaxIdentifierLength", 63);
+
+            NpgsqlModelBuilderExtensions.UseIdentityByDefaultColumns(modelBuilder);
+
+            modelBuilder.Entity("Robust.Benchmarks.Exporters.BenchmarkRun", b =>
+                {
+                    b.Property<decimal>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("numeric(20,0)");
+
+                    b.Property<string>("GitHash")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<BenchmarkRunReport[]>("Reports")
+                        .IsRequired()
+                        .HasColumnType("jsonb");
+
+                    b.Property<DateTime>("RunDate")
+                        .HasColumnType("Date");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("BenchmarkRuns");
+                });
+#pragma warning restore 612, 618
+        }
+    }
+}

Robust.Benchmarks/Migrations/20220328231938_InitialCreate.cs

@@ -0,0 +1,35 @@
+using System;
+using Microsoft.EntityFrameworkCore.Migrations;
+using Robust.Benchmarks.Exporters;
+
+#nullable disable
+
+namespace Robust.Benchmarks.Migrations
+{
+    public partial class InitialCreate : Migration
+    {
+        protected override void Up(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.CreateTable(
+                name: "BenchmarkRuns",
+                columns: table => new
+                {
+                    Id = table.Column<decimal>(type: "numeric(20,0)", nullable: false),
+                    GitHash = table.Column<string>(type: "text", nullable: false),
+                    RunDate = table.Column<DateTime>(type: "Date", nullable: false),
+                    Name = table.Column<string>(type: "text", nullable: false),
+                    Reports = table.Column<BenchmarkRunReport[]>(type: "jsonb", nullable: false)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_BenchmarkRuns", x => x.Id);
+                });
+        }
+
+        protected override void Down(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.DropTable(
+                name: "BenchmarkRuns");
+        }
+    }
+}

Robust.Benchmarks/Migrations/BenchmarkContextModelSnapshot.cs

@@ -0,0 +1,53 @@
+// <auto-generated />
+using System;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Infrastructure;
+using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
+using Npgsql.EntityFrameworkCore.PostgreSQL.Metadata;
+using Robust.Benchmarks.Exporters;
+
+#nullable disable
+
+namespace Robust.Benchmarks.Migrations
+{
+    [DbContext(typeof(BenchmarkContext))]
+    partial class BenchmarkContextModelSnapshot : ModelSnapshot
+    {
+        protected override void BuildModel(ModelBuilder modelBuilder)
+        {
+#pragma warning disable 612, 618
+            modelBuilder
+                .HasAnnotation("ProductVersion", "6.0.0")
+                .HasAnnotation("Relational:MaxIdentifierLength", 63);
+
+            NpgsqlModelBuilderExtensions.UseIdentityByDefaultColumns(modelBuilder);
+
+            modelBuilder.Entity("Robust.Benchmarks.Exporters.BenchmarkRun", b =>
+                {
+                    b.Property<decimal>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("numeric(20,0)");
+
+                    b.Property<string>("GitHash")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<BenchmarkRunReport[]>("Reports")
+                        .IsRequired()
+                        .HasColumnType("jsonb");
+
+                    b.Property<DateTime>("RunDate")
+                        .HasColumnType("Date");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("BenchmarkRuns");
+                });
+#pragma warning restore 612, 618
+        }
+    }
+}

Robust.Benchmarks/NumericsHelpers/AddBenchmark.cs

@@ -1,12 +1,17 @@
 using BenchmarkDotNet.Attributes;
+using Robust.Shared.Analyzers;
 
 namespace Robust.Benchmarks.NumericsHelpers
 {
+    [Virtual]
     public class AddBenchmark
     {
         [Params(32, 128)]
         public int N { get; set; }
 
+        [Params(1,2)]
+        public int T { get; set; }
+
         private float[] _inputA = default!;
         private float[] _inputB = default!;
         private float[] _output = default!;

Robust.Benchmarks/Program.cs

@@ -1,10 +1,12 @@
 using BenchmarkDotNet.Configs;
 using BenchmarkDotNet.Running;
 using System;
+using Robust.Benchmarks.Configs;
+using Robust.Benchmarks.Exporters;
 
 namespace Robust.Benchmarks
 {
-    internal class Program
+    internal static class Program
     {
         // --allCategories=ctg1,ctg2
         // --anyCategories=ctg1,ctg2
@@ -16,7 +18,8 @@ namespace Robust.Benchmarks
             Console.WriteLine("THE DEBUG BUILD IS ONLY GOOD FOR FIXING A CRASHING BENCHMARK\n");
             BenchmarkSwitcher.FromAssembly(typeof(Program).Assembly).Run(args, new DebugInProcessConfig());
 #else
-            BenchmarkSwitcher.FromAssembly(typeof(Program).Assembly).Run(args);
+            var config = Environment.GetEnvironmentVariable("ROBUST_BENCHMARKS_ENABLE_SQL") != null ? DefaultSQLConfig.Instance : null;
+            BenchmarkSwitcher.FromAssembly(typeof(Program).Assembly).Run(args, config);
 #endif
         }
     }

Robust.Benchmarks/Robust.Benchmarks.csproj

@@ -10,9 +10,15 @@
     <ItemGroup>
       <ProjectReference Include="..\Robust.Server\Robust.Server.csproj" />
       <ProjectReference Include="..\Robust.Shared\Robust.Shared.csproj" />
+      <ProjectReference Include="..\Robust.UnitTesting\Robust.UnitTesting.csproj" />
     </ItemGroup>
     <ItemGroup>
       <PackageReference Include="BenchmarkDotNet" Version="0.12.1" />
+      <PackageReference Include="Microsoft.EntityFrameworkCore.Design" Version="6.0.0">
+        <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
+        <PrivateAssets>all</PrivateAssets>
+      </PackageReference>
+      <PackageReference Include="Npgsql.EntityFrameworkCore.PostgreSQL" Version="6.0.0-rc.2" />
     </ItemGroup>
     <Import Project="..\MSBuild\Robust.Engine.targets" />
 </Project>

Robust.Benchmarks/Serialization/BenchmarkIntSerializer.cs

@@ -9,7 +9,7 @@ using Robust.Shared.Serialization.TypeSerializers.Interfaces;
 
 namespace Robust.Benchmarks.Serialization
 {
-    public class BenchmarkIntSerializer : ITypeSerializer<int, ValueDataNode>
+    public sealed class BenchmarkIntSerializer : ITypeSerializer<int, ValueDataNode>
     {
         public ValidationNode Validate(ISerializationManager serializationManager, ValueDataNode node,
             IDependencyCollection dependencies, ISerializationContext? context = null)

Robust.Benchmarks/Serialization/Copy/SerializationCopyBenchmark.cs

@@ -2,6 +2,7 @@
 using System.Linq;
 using BenchmarkDotNet.Attributes;
 using Robust.Benchmarks.Serialization.Definitions;
+using Robust.Shared.Analyzers;
 using Robust.Shared.Serialization.Manager;
 using Robust.Shared.Serialization.Markdown;
 using Robust.Shared.Serialization.Markdown.Mapping;
@@ -13,6 +14,7 @@ using YamlDotNet.RepresentationModel;
 namespace Robust.Benchmarks.Serialization.Copy
 {
     [MemoryDiagnoser]
+    [Virtual]
     public class SerializationCopyBenchmark : SerializationBenchmark
     {
         public SerializationCopyBenchmark()

Robust.Benchmarks/Serialization/Definitions/BenchmarkFlags.cs

@@ -3,7 +3,7 @@ using Robust.Shared.Serialization;
 
 namespace Robust.Benchmarks.Serialization.Definitions
 {
-    public class BenchmarkFlags
+    public sealed class BenchmarkFlags
     {
         public const int Zero = 1 << 0;
         public const int ThirtyOne = 1 << 31;

Robust.Benchmarks/Serialization/Definitions/DataDefinitionWithString.cs

@@ -1,8 +1,10 @@
-using Robust.Shared.Serialization.Manager.Attributes;
+using Robust.Shared.Analyzers;
+using Robust.Shared.Serialization.Manager.Attributes;
 
 namespace Robust.Benchmarks.Serialization.Definitions
 {
     [DataDefinition]
+    [Virtual]
     public class DataDefinitionWithString
     {
         [DataField("string")]

Robust.Benchmarks/Serialization/Definitions/SeedDataDefinition.cs

@@ -11,7 +11,7 @@ namespace Robust.Benchmarks.Serialization.Definitions
     ///     Taken from content.
     /// </summary>
     [Prototype("seed")]
-    public class SeedDataDefinition : IPrototype
+    public sealed class SeedDataDefinition : IPrototype
     {
         public const string Prototype = @"
 - type: seed

Robust.Benchmarks/Serialization/Initialize/SerializationInitializeBenchmark.cs

@@ -1,9 +1,11 @@
 using BenchmarkDotNet.Attributes;
+using Robust.Shared.Analyzers;
 using Robust.Shared.Serialization.Manager;
 
 namespace Robust.Benchmarks.Serialization.Initialize
 {
     [MemoryDiagnoser]
+    [Virtual]
     public class SerializationInitializeBenchmark : SerializationBenchmark
     {
         [IterationCleanup]

Robust.Benchmarks/Serialization/Read/SerializationReadBenchmark.cs

@@ -1,6 +1,7 @@
 using System.IO;
 using BenchmarkDotNet.Attributes;
 using Robust.Benchmarks.Serialization.Definitions;
+using Robust.Shared.Analyzers;
 using Robust.Shared.Serialization.Manager.Result;
 using Robust.Shared.Serialization.Markdown;
 using Robust.Shared.Serialization.Markdown.Mapping;
@@ -12,6 +13,7 @@ using YamlDotNet.RepresentationModel;
 namespace Robust.Benchmarks.Serialization.Read
 {
     [MemoryDiagnoser]
+    [Virtual]
     public class SerializationReadBenchmark : SerializationBenchmark
     {
         public SerializationReadBenchmark()

Robust.Benchmarks/Serialization/SerializationArrayBenchmark.cs

@@ -1,5 +1,6 @@
 using BenchmarkDotNet.Attributes;
 using Robust.Benchmarks.Serialization.Definitions;
+using Robust.Shared.Analyzers;
 using Robust.Shared.Serialization.Markdown.Mapping;
 using Robust.Shared.Serialization.Markdown.Sequence;
 using Robust.Shared.Serialization.Markdown.Value;
@@ -7,6 +8,7 @@ using Robust.Shared.Serialization.Markdown.Value;
 namespace Robust.Benchmarks.Serialization
 {
     [MemoryDiagnoser]
+    [Virtual]
     public class SerializationArrayBenchmark : SerializationBenchmark
     {
         public SerializationArrayBenchmark()

Robust.Benchmarks/Serialization/Write/SerializationWriteBenchmark.cs

@@ -2,6 +2,7 @@
 using System.IO;
 using BenchmarkDotNet.Attributes;
 using Robust.Benchmarks.Serialization.Definitions;
+using Robust.Shared.Analyzers;
 using Robust.Shared.Serialization.Manager;
 using Robust.Shared.Serialization.Markdown;
 using Robust.Shared.Serialization.Markdown.Mapping;
@@ -13,6 +14,7 @@ using YamlDotNet.RepresentationModel;
 namespace Robust.Benchmarks.Serialization.Write
 {
     [MemoryDiagnoser]
+    [Virtual]
     public class SerializationWriteBenchmark : SerializationBenchmark
     {
         public SerializationWriteBenchmark()

Robust.Benchmarks/add-migration.ps1

@@ -0,0 +1,11 @@
+#!/usr/bin/env pwsh
+
+param([String]$name)
+
+if ($name -eq "")
+{
+    Write-Error "must specify migration name"
+    exit
+}
+
+dotnet ef migrations add --context BenchmarkContext -o Migrations $name

Robust.Benchmarks/add-migration.sh

@@ -0,0 +1,8 @@
+#!/usr/bin/env bash
+
+if [ -z "$1" ] ; then
+    echo "Must specify migration name"
+    exit 1
+fi
+
+dotnet ef migrations add --context BenchmarkContext -o Migrations "$1"

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

@@ -6,7 +6,7 @@
     </PropertyGroup>
 
     <ItemGroup>
-      <PackageReference Include="Microsoft.Build.Framework" Version="16.8.0" />
+      <PackageReference Include="Microsoft.Build.Framework" Version="17.0.0" />
       <PackageReference Include="Mono.Cecil" Version="0.11.3" />
       <PackageReference Include="Pidgin" Version="2.5.0" />
     </ItemGroup>

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

@@ -5,8 +5,8 @@
     </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.CSharp" Version="4.0.1" PrivateAssets="all" />
+    <PackageReference Include="Microsoft.CodeAnalysis.Analyzers" Version="3.3.3" PrivateAssets="all" />
   </ItemGroup>
 
   <ItemGroup>

Robust.Client.WebView/Cef/WebViewManagerCef.cs

@@ -1,5 +1,6 @@
 using System;
 using System.IO;
+using System.Reflection;
 using Robust.Shared.ContentPack;
 using Robust.Shared.IoC;
 using Robust.Shared.Log;
@@ -10,6 +11,8 @@ namespace Robust.Client.WebView.Cef
 {
     internal partial class WebViewManagerCef : IWebViewManagerImpl
     {
+        private static readonly string BasePath = Path.GetDirectoryName(Assembly.GetExecutingAssembly().Location!)!;
+
         private CefApp _app = default!;
 
         [Dependency] private readonly IDependencyCollection _dependencyCollection = default!;
@@ -27,7 +30,7 @@ namespace Robust.Client.WebView.Cef
             else
                 throw new NotSupportedException("Unsupported platform for CEF!");
 
-            var subProcessPath = PathHelpers.ExecutableRelativeFile(subProcessName);
+            var subProcessPath = Path.Combine(BasePath, subProcessName);
             var cefResourcesPath = LocateCefResources();
 
             // System.Console.WriteLine(AppContext.GetData("NATIVE_DLL_SEARCH_DIRECTORIES"));
@@ -60,7 +63,7 @@ namespace Robust.Client.WebView.Cef
 
         private static string? LocateCefResources()
         {
-            if (ProbeDir(PathHelpers.GetExecutableDirectory(), out var path))
+            if (ProbeDir(BasePath, out var path))
                 return path;
 
 

Robust.Client.WebView/Robust.Client.WebView.csproj

@@ -14,7 +14,6 @@
 
   <ItemGroup>
     <PackageReference Include="JetBrains.Annotations" Version="2020.3.0" />
-    <PackageReference Include="System.Drawing.Common" Version="5.0.2" />
     <PackageReference Include="Robust.Natives.Cef" Version="95.7.14" />
   </ItemGroup>
 

Robust.Client/Animations/AnimationTrackControlProperty.cs

@@ -3,7 +3,7 @@ using Robust.Shared.Animations;
 
 namespace Robust.Client.Animations
 {
-    public class AnimationTrackControlProperty : AnimationTrackProperty
+    public sealed class AnimationTrackControlProperty : AnimationTrackProperty
     {
         public string? Property { get; set; }
 

Robust.Client/Audio/Midi/MidiManager.cs

@@ -58,7 +58,7 @@ namespace Robust.Client.Audio.Midi
         void Shutdown();
     }
 
-    internal class MidiManager : IMidiManager
+    internal sealed class MidiManager : IMidiManager
     {
         [Dependency] private readonly IEyeManager _eyeManager = default!;
         [Dependency] private readonly IResourceManagerInternal _resourceManager = default!;
@@ -392,7 +392,7 @@ namespace Robust.Client.Audio.Midi
         /// <summary>
         ///     This class is used to load soundfonts.
         /// </summary>
-        private class ResourceLoaderCallbacks : SoundFontLoaderCallbacks
+        private sealed class ResourceLoaderCallbacks : SoundFontLoaderCallbacks
         {
             private readonly Dictionary<int, Stream> _openStreams = new();
             private int _nextStreamId = 1;

Robust.Client/Audio/Midi/MidiRenderer.cs

@@ -180,7 +180,7 @@ namespace Robust.Client.Audio.Midi
         internal void InternalDispose();
     }
 
-    internal class MidiRenderer : IMidiRenderer
+    internal sealed class MidiRenderer : IMidiRenderer
     {
         [Dependency] private readonly IClydeAudio _clydeAudio = default!;
         [Dependency] private readonly ITaskManager _taskManager = default!;
@@ -619,6 +619,7 @@ namespace Robust.Client.Audio.Midi
             var seqEv = (SequencerEvent) midiEvent;
             seqEv.Dest = _debugEvents ? _debugRegister : _synthRegister;
             _sequencer.SendAt(seqEv, time, absolute);
+            seqEv.Dispose();
         }
 
         public void Dispose()

Robust.Client/BaseClient.cs

@@ -20,13 +20,12 @@ using Robust.Shared.Utility;
 namespace Robust.Client
 {
     /// <inheritdoc />
-    public class BaseClient : IBaseClient
+    public sealed class BaseClient : IBaseClient
     {
         [Dependency] private readonly IClientNetManager _net = default!;
         [Dependency] private readonly IPlayerManager _playMan = default!;
         [Dependency] private readonly INetConfigurationManager _configManager = default!;
         [Dependency] private readonly IClientEntityManager _entityManager = default!;
-        [Dependency] private readonly IEntityLookup _entityLookup = default!;
         [Dependency] private readonly IMapManager _mapManager = default!;
         [Dependency] private readonly IDiscordRichPresence _discord = default!;
         [Dependency] private readonly IGameTiming _timing = default!;
@@ -213,7 +212,6 @@ namespace Robust.Client
         {
             _entityManager.Startup();
             _mapManager.Startup();
-            _entityLookup.Startup();
 
             _timing.ResetSimTime();
             _timing.Paused = false;
@@ -224,7 +222,6 @@ namespace Robust.Client
             IoCManager.Resolve<INetConfigurationManager>().FlushMessages();
             _gameStates.Reset();
             _playMan.Shutdown();
-            _entityLookup.Shutdown();
             _entityManager.Shutdown();
             _mapManager.Shutdown();
             _discord.ClearPresence();
@@ -291,7 +288,7 @@ namespace Robust.Client
     /// <summary>
     ///     Event arguments for when something changed with the player.
     /// </summary>
-    public class PlayerEventArgs : EventArgs
+    public sealed class PlayerEventArgs : EventArgs
     {
         /// <summary>
         ///     The session that triggered the event.
@@ -310,7 +307,7 @@ namespace Robust.Client
     /// <summary>
     ///     Event arguments for when the RunLevel has changed in the BaseClient.
     /// </summary>
-    public class RunLevelChangedEventArgs : EventArgs
+    public sealed class RunLevelChangedEventArgs : EventArgs
     {
         /// <summary>
         ///     RunLevel that the BaseClient switched from.
@@ -335,7 +332,7 @@ namespace Robust.Client
     /// <summary>
     ///     Info about the server and player that is sent to the client while connecting.
     /// </summary>
-    public class ServerInfo
+    public sealed class ServerInfo
     {
         public ServerInfo(string serverName)
         {

Robust.Client/ClientIoC.cs

@@ -43,11 +43,10 @@ namespace Robust.Client
             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<IMapManager, NetworkedMapManager>();
+            IoCManager.Register<IMapManagerInternal, NetworkedMapManager>();
+            IoCManager.Register<INetworkedMapManager, NetworkedMapManager>();
             IoCManager.Register<IEntityManager, ClientEntityManager>();
-            IoCManager.Register<IEntityLookup, EntityLookup>();
             IoCManager.Register<IReflectionManager, ClientReflectionManager>();
             IoCManager.Register<IConsoleHost, ClientConsoleHost>();
             IoCManager.Register<IClientConsoleHost, ClientConsoleHost>();
@@ -72,7 +71,6 @@ namespace Robust.Client
             IoCManager.Register<IStateManager, StateManager>();
             IoCManager.Register<IUserInterfaceManager, UserInterfaceManager>();
             IoCManager.Register<IUserInterfaceManagerInternal, UserInterfaceManager>();
-            IoCManager.Register<IDebugDrawing, DebugDrawing>();
             IoCManager.Register<ILightManager, LightManager>();
             IoCManager.Register<IDiscordRichPresence, DiscordRichPresence>();
             IoCManager.Register<IMidiManager, MidiManager>();

Robust.Client/Console/ClientConGroupController.cs

@@ -2,7 +2,7 @@
 
 namespace Robust.Client.Console
 {
-    public class ClientConGroupController : IClientConGroupController
+    public sealed class ClientConGroupController : IClientConGroupController
     {
         private IClientConGroupImplementation? _implementation;
         public event Action? ConGroupUpdated;

Robust.Client/Console/ClientConsoleHost.cs

@@ -14,7 +14,7 @@ using Robust.Shared.Utility;
 
 namespace Robust.Client.Console
 {
-    public class AddStringArgs : EventArgs
+    public sealed class AddStringArgs : EventArgs
     {
         public string Text { get; }
 
@@ -30,7 +30,7 @@ namespace Robust.Client.Console
         }
     }
 
-    public class AddFormattedMessageArgs : EventArgs
+    public sealed class AddFormattedMessageArgs : EventArgs
     {
         public readonly FormattedMessage Message;
 
@@ -41,7 +41,7 @@ namespace Robust.Client.Console
     }
 
     /// <inheritdoc cref="IClientConsoleHost" />
-    internal class ClientConsoleHost : ConsoleHost, IClientConsoleHost
+    internal sealed class ClientConsoleHost : ConsoleHost, IClientConsoleHost
     {
         [Dependency] private readonly IClientConGroupController _conGroup = default!;
 
@@ -109,13 +109,13 @@ namespace Robust.Client.Console
             if (AvailableCommands.ContainsKey(commandName))
             {
                 var playerManager = IoCManager.Resolve<IPlayerManager>();
-
+#if !DEBUG
                 if (!_conGroup.CanCommand(commandName) && playerManager.LocalPlayer?.Session.Status > SessionStatus.Connecting)
                 {
                     WriteError(null, $"Insufficient perms for command: {commandName}");
                     return;
                 }
-
+#endif
                 var command1 = AvailableCommands[commandName];
                 args.RemoveAt(0);
                 var shell = new ConsoleShell(this, null);
@@ -209,7 +209,7 @@ namespace Robust.Client.Console
     /// These dummies are made purely so list and help can list server-side commands.
     /// </summary>
     [Reflect(false)]
-    internal class ServerDummyCommand : IConsoleCommand
+    internal sealed class ServerDummyCommand : IConsoleCommand
     {
         internal ServerDummyCommand(string command, string help, string description)
         {

Robust.Client/Console/Commands/ConfigurationCommands.cs

@@ -59,7 +59,7 @@ namespace Robust.Client.Console.Commands
     }
 
     [UsedImplicitly]
-    public class SaveConfig : IConsoleCommand
+    public sealed class SaveConfig : IConsoleCommand
     {
         public string Command => "saveconfig";
         public string Description => "Saves the client configuration to the config file";

Robust.Client/Console/Commands/ConsoleCommands.cs

@@ -6,7 +6,7 @@ using Robust.Shared.Console;
 
 namespace Robust.Client.Console.Commands
 {
-    class ClearCommand : IConsoleCommand
+    sealed class ClearCommand : IConsoleCommand
     {
         public string Command => "cls";
         public string Help => "Clears the debug console of all messages.";
@@ -18,7 +18,7 @@ namespace Robust.Client.Console.Commands
         }
     }
 
-    class FillCommand : IConsoleCommand
+    sealed class FillCommand : IConsoleCommand
     {
         public string Command => "fill";
         public string Help => "Fills the console with some nonsense for debugging.";

Robust.Client/Console/Commands/Debug.cs

@@ -30,7 +30,7 @@ using static Robust.Client.UserInterface.Controls.BoxContainer;
 
 namespace Robust.Client.Console.Commands
 {
-    internal class DumpEntitiesCommand : IConsoleCommand
+    internal sealed class DumpEntitiesCommand : IConsoleCommand
     {
         public string Command => "dumpentities";
         public string Help => "Dump entity list";
@@ -47,7 +47,7 @@ namespace Robust.Client.Console.Commands
         }
     }
 
-    internal class GetComponentRegistrationCommand : IConsoleCommand
+    internal sealed class GetComponentRegistrationCommand : IConsoleCommand
     {
         public string Command => "getcomponentregistration";
         public string Help => "Usage: getcomponentregistration <componentName>";
@@ -93,7 +93,7 @@ namespace Robust.Client.Console.Commands
         }
     }
 
-    internal class ToggleMonitorCommand : IConsoleCommand
+    internal sealed class ToggleMonitorCommand : IConsoleCommand
     {
         public string Command => "monitor";
 
@@ -148,7 +148,7 @@ namespace Robust.Client.Console.Commands
         }
     }
 
-    internal class ExceptionCommand : IConsoleCommand
+    internal sealed class ExceptionCommand : IConsoleCommand
     {
         public string Command => "fuck";
         public string Help => "Throws an exception";
@@ -160,7 +160,7 @@ namespace Robust.Client.Console.Commands
         }
     }
 
-    internal class ShowPositionsCommand : IConsoleCommand
+    internal sealed class ShowPositionsCommand : IConsoleCommand
     {
         public string Command => "showpos";
         public string Help => "";
@@ -168,12 +168,12 @@ namespace Robust.Client.Console.Commands
 
         public void Execute(IConsoleShell shell, string argStr, string[] args)
         {
-            var mgr = IoCManager.Resolve<IDebugDrawing>();
+            var mgr = EntitySystem.Get<DebugDrawingSystem>();
             mgr.DebugPositions = !mgr.DebugPositions;
         }
     }
 
-    internal class ShowRayCommand : IConsoleCommand
+    internal sealed class ShowRayCommand : IConsoleCommand
     {
         public string Command => "showrays";
         public string Help => "Usage: showrays <raylifetime>";
@@ -200,7 +200,7 @@ namespace Robust.Client.Console.Commands
         }
     }
 
-    internal class DisconnectCommand : IConsoleCommand
+    internal sealed class DisconnectCommand : IConsoleCommand
     {
         public string Command => "disconnect";
         public string Help => "";
@@ -212,7 +212,7 @@ namespace Robust.Client.Console.Commands
         }
     }
 
-    internal class EntityInfoCommand : IConsoleCommand
+    internal sealed class EntityInfoCommand : IConsoleCommand
     {
         public string Command => "entfo";
 
@@ -264,7 +264,7 @@ namespace Robust.Client.Console.Commands
         }
     }
 
-    internal class SnapGridGetCell : IConsoleCommand
+    internal sealed class SnapGridGetCell : IConsoleCommand
     {
         public string Command => "sggcell";
         public string Help => "sggcell <gridID> <vector2i>\nThat vector2i param is in the form x<int>,y<int>.";
@@ -313,7 +313,7 @@ namespace Robust.Client.Console.Commands
         }
     }
 
-    internal class SetPlayerName : IConsoleCommand
+    internal sealed class SetPlayerName : IConsoleCommand
     {
         public string Command => "overrideplayername";
         public string Description => "Changes the name used when attempting to connect to the server.";
@@ -333,7 +333,7 @@ namespace Robust.Client.Console.Commands
         }
     }
 
-    internal class LoadResource : IConsoleCommand
+    internal sealed class LoadResource : IConsoleCommand
     {
         public string Command => "ldrsc";
         public string Description => "Pre-caches a resource.";
@@ -370,7 +370,7 @@ namespace Robust.Client.Console.Commands
         }
     }
 
-    internal class ReloadResource : IConsoleCommand
+    internal sealed class ReloadResource : IConsoleCommand
     {
         public string Command => "rldrsc";
         public string Description => "Reloads a resource.";
@@ -404,7 +404,7 @@ namespace Robust.Client.Console.Commands
         }
     }
 
-    internal class GridTileCount : IConsoleCommand
+    internal sealed class GridTileCount : IConsoleCommand
     {
         public string Command => "gridtc";
         public string Description => "Gets the tile count of a grid";
@@ -438,7 +438,7 @@ namespace Robust.Client.Console.Commands
         }
     }
 
-    internal class GuiDumpCommand : IConsoleCommand
+    internal sealed class GuiDumpCommand : IConsoleCommand
     {
         public string Command => "guidump";
         public string Description => "Dump GUI tree to /guidump.txt in user data.";
@@ -512,7 +512,7 @@ namespace Robust.Client.Console.Commands
         }
     }
 
-    internal class UITestCommand : IConsoleCommand
+    internal sealed class UITestCommand : IConsoleCommand
     {
         public string Command => "uitest";
         public string Description => "Open a dummy UI testing window";
@@ -520,7 +520,7 @@ namespace Robust.Client.Console.Commands
 
         public void Execute(IConsoleShell shell, string argStr, string[] args)
         {
-            var window = new SS14Window { MinSize = (500, 400)};
+            var window = new DefaultWindow { MinSize = (500, 400)};
             var tabContainer = new TabContainer();
             window.Contents.AddChild(tabContainer);
             var scroll = new ScrollContainer();
@@ -644,7 +644,7 @@ namespace Robust.Client.Console.Commands
         }
     }
 
-    internal class SetClipboardCommand : IConsoleCommand
+    internal sealed class SetClipboardCommand : IConsoleCommand
     {
         public string Command => "setclipboard";
         public string Description => "Sets the system clipboard";
@@ -657,7 +657,7 @@ namespace Robust.Client.Console.Commands
         }
     }
 
-    internal class GetClipboardCommand : IConsoleCommand
+    internal sealed class GetClipboardCommand : IConsoleCommand
     {
         public string Command => "getclipboard";
         public string Description => "Gets the system clipboard";
@@ -670,7 +670,7 @@ namespace Robust.Client.Console.Commands
         }
     }
 
-    internal class ToggleLight : IConsoleCommand
+    internal sealed class ToggleLight : IConsoleCommand
     {
         public string Command => "togglelight";
         public string Description => "Toggles light rendering.";
@@ -684,7 +684,7 @@ namespace Robust.Client.Console.Commands
         }
     }
 
-    internal class ToggleFOV : IConsoleCommand
+    internal sealed class ToggleFOV : IConsoleCommand
     {
         public string Command => "togglefov";
         public string Description => "Toggles fov for client.";
@@ -698,7 +698,7 @@ namespace Robust.Client.Console.Commands
         }
     }
 
-    internal class ToggleHardFOV : IConsoleCommand
+    internal sealed class ToggleHardFOV : IConsoleCommand
     {
         public string Command => "togglehardfov";
         public string Description => "Toggles hard fov for client (for debugging space-station-14#2353).";
@@ -712,7 +712,7 @@ namespace Robust.Client.Console.Commands
         }
     }
 
-    internal class ToggleShadows : IConsoleCommand
+    internal sealed class ToggleShadows : IConsoleCommand
     {
         public string Command => "toggleshadows";
         public string Description => "Toggles shadow rendering.";
@@ -725,7 +725,7 @@ namespace Robust.Client.Console.Commands
                 mgr.DrawShadows = !mgr.DrawShadows;
         }
     }
-    internal class ToggleLightBuf : IConsoleCommand
+    internal sealed class ToggleLightBuf : IConsoleCommand
     {
         public string Command => "togglelightbuf";
         public string Description => "Toggles lighting rendering. This includes shadows but not FOV.";
@@ -739,7 +739,7 @@ namespace Robust.Client.Console.Commands
         }
     }
 
-    internal class GcCommand : IConsoleCommand
+    internal sealed class GcCommand : IConsoleCommand
     {
         public string Command => "gc";
         public string Description => "Run the GC.";
@@ -761,7 +761,7 @@ namespace Robust.Client.Console.Commands
         }
     }
 
-    internal class GcFullCommand : IConsoleCommand
+    internal sealed class GcFullCommand : IConsoleCommand
     {
         public string Command => "gcf";
         public string Description => "Run the GC, fully, compacting LOH and everything.";
@@ -774,7 +774,7 @@ namespace Robust.Client.Console.Commands
         }
     }
 
-    internal class GcModeCommand : IConsoleCommand
+    internal sealed class GcModeCommand : IConsoleCommand
     {
 
         public string Command => "gc_mode";
@@ -816,7 +816,7 @@ namespace Robust.Client.Console.Commands
 
     }
 
-    internal class SerializeStatsCommand : IConsoleCommand
+    internal sealed class SerializeStatsCommand : IConsoleCommand
     {
 
         public string Command => "szr_stats";
@@ -836,7 +836,7 @@ namespace Robust.Client.Console.Commands
 
     }
 
-    internal class ChunkInfoCommand : IConsoleCommand
+    internal sealed class ChunkInfoCommand : IConsoleCommand
     {
         public string Command => "chunkinfo";
         public string Description => "Gets info about a chunk under your mouse cursor.";
@@ -861,11 +861,11 @@ namespace Robust.Client.Console.Commands
             var chunkIndex = grid.LocalToChunkIndices(grid.MapToGrid(mousePos));
             var chunk = internalGrid.GetChunk(chunkIndex);
 
-            shell.WriteLine($"worldBounds: {chunk.CalcWorldAABB()} localBounds: {chunk.CalcLocalBounds()}");
+            shell.WriteLine($"worldBounds: {internalGrid.CalcWorldAABB(chunk)} localBounds: {chunk.CachedBounds}");
         }
     }
 
-    internal class ReloadShadersCommand : IConsoleCommand
+    internal sealed class ReloadShadersCommand : IConsoleCommand
     {
 
         public string Command => "rldshader";
@@ -1036,7 +1036,7 @@ namespace Robust.Client.Console.Commands
 
     }
 
-    internal class ClydeDebugLayerCommand : IConsoleCommand
+    internal sealed class ClydeDebugLayerCommand : IConsoleCommand
     {
         public string Command => "cldbglyr";
         public string Description => "Toggle fov and light debug layers";
@@ -1061,7 +1061,7 @@ namespace Robust.Client.Console.Commands
         }
     }
 
-    internal class GetKeyInfoCommand : IConsoleCommand
+    internal sealed class GetKeyInfoCommand : IConsoleCommand
     {
         public string Command => "keyinfo";
         public string Description => "Keys key info for a key";

Robust.Client/Console/Commands/GridChunkBBCommand.cs

@@ -4,7 +4,7 @@ using Robust.Shared.GameObjects;
 
 namespace Robust.Client.Console.Commands
 {
-    public class GridChunkBBCommand : IConsoleCommand
+    public sealed class GridChunkBBCommand : IConsoleCommand
     {
         public string Command => "showchunkbb";
         public string Description => "Displays chunk bounds for the purposes of rendering";

Robust.Client/Console/Commands/HelpCommands.cs

@@ -5,7 +5,7 @@ using Robust.Shared.Network;
 
 namespace Robust.Client.Console.Commands
 {
-    class HelpCommand : IConsoleCommand
+    sealed class HelpCommand : IConsoleCommand
     {
         public string Command => "help";
         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.";
@@ -44,7 +44,7 @@ namespace Robust.Client.Console.Commands
         }
     }
 
-    class ListCommand : IConsoleCommand
+    sealed class ListCommand : IConsoleCommand
     {
         public string Command => "list";
         public string Help => "Usage: list [filter]\n" +

Robust.Client/Console/Commands/LogCommands.cs

@@ -4,7 +4,7 @@ using Robust.Shared.Console;
 
 namespace Robust.Client.Console.Commands
 {
-    class LogSetLevelCommand : IConsoleCommand
+    sealed class LogSetLevelCommand : IConsoleCommand
     {
         public string Command => "loglevel";
         public string Description => "Changes the log level for a provided sawmill.";
@@ -40,7 +40,7 @@ namespace Robust.Client.Console.Commands
         }
     }
 
-    class TestLog : IConsoleCommand
+    sealed class TestLog : IConsoleCommand
     {
         public string Command => "testlog";
         public string Description => "Writes a test log to a sawmill.";

Robust.Client/Console/Commands/QuitCommand.cs

@@ -4,7 +4,7 @@ using Robust.Shared.IoC;
 
 namespace Robust.Client.Console.Commands
 {
-    class HardQuitCommand : IConsoleCommand
+    sealed class HardQuitCommand : IConsoleCommand
     {
         public string Command => "hardquit";
         public string Description => "Kills the game client instantly.";
@@ -16,7 +16,7 @@ namespace Robust.Client.Console.Commands
         }
     }
 
-    class QuitCommand : IConsoleCommand
+    sealed class QuitCommand : IConsoleCommand
     {
         public string Command => "quit";
         public string Description => "Shuts down the game client gracefully.";

Robust.Client/Console/Commands/SetInputContextCommand.cs

@@ -6,7 +6,7 @@ using Robust.Shared.IoC;
 namespace Robust.Client.Console.Commands
 {
     [UsedImplicitly]
-    public class SetInputContextCommand : IConsoleCommand
+    public sealed class SetInputContextCommand : IConsoleCommand
     {
         public string Command => "setinputcontext";
         public string Description => "Sets the active input context.";

Robust.Client/Console/Commands/VelocitiesCommand.cs

@@ -4,7 +4,7 @@ using Robust.Shared.GameObjects;
 
 namespace Robust.Client.Console.Commands
 {
-    public class VelocitiesCommand : IConsoleCommand
+    public sealed class VelocitiesCommand : IConsoleCommand
     {
         public string Command => "showvelocities";
         public string Description => "Displays your angular and linear velocities";

Robust.Client/Console/Completions.cs

@@ -11,7 +11,7 @@ using static Robust.Shared.Network.Messages.MsgScriptCompletionResponse;
 
 namespace Robust.Client.Console
 {
-    public class Completions : SS14Window
+    public sealed class Completions : DefaultWindow
     {
         private HistoryLineEdit _textBar;
         private ScrollContainer _suggestPanel = new()
@@ -75,7 +75,7 @@ namespace Robust.Client.Console
         }
 
         // Label and ghetto button.
-        public class Entry : RichTextLabel
+        public sealed class Entry : RichTextLabel
         {
             public readonly LiteResult Result;
 

Robust.Client/Console/ScriptClient.cs

@@ -6,7 +6,7 @@ using Robust.Shared.Network.Messages;
 
 namespace Robust.Client.Console
 {
-    public partial class ScriptClient : IScriptClient
+    public sealed partial class ScriptClient : IScriptClient
     {
         [Dependency] private readonly IClientConGroupController _conGroupController = default!;
         [Dependency] private readonly IClientNetManager _netManager = default!;

Robust.Client/Console/WatchWindow.cs

@@ -15,7 +15,7 @@ using static Robust.Client.UserInterface.Controls.BoxContainer;
 
 namespace Robust.Client.Console
 {
-    public class WatchWindow : SS14Window
+    public sealed class WatchWindow : DefaultWindow
     {
         private readonly IReflectionManager _reflectionManager;
 

Robust.Client/Debugging/DebugDrawingSystem.cs

@@ -6,17 +6,21 @@ using Robust.Shared.Maths;
 
 namespace Robust.Client.Debugging
 {
-    /// <inheritdoc />
-    public class DebugDrawing : IDebugDrawing
+    /// <summary>
+    /// A collection of visual debug overlays for the client game.
+    /// </summary>
+    public sealed class DebugDrawingSystem : EntitySystem
     {
         [Dependency] private readonly IOverlayManager _overlayManager = default!;
         [Dependency] private readonly IEyeManager _eyeManager = default!;
-        [Dependency] private readonly IEntityLookup _lookup = default!;
         [Dependency] private readonly IEntityManager _entityManager = default!;
+        [Dependency] private readonly EntityLookupSystem _lookup = default!;
 
         private bool _debugPositions;
 
-        /// <inheritdoc />
+        /// <summary>
+        /// Toggles the visual overlay of the local origin for each entity on screen.
+        /// </summary>
         public bool DebugPositions
         {
             get => _debugPositions;
@@ -42,13 +46,13 @@ namespace Robust.Client.Debugging
 
         private sealed class EntityPositionOverlay : Overlay
         {
-            private readonly IEntityLookup _lookup;
+            private readonly EntityLookupSystem _lookup;
             private readonly IEyeManager _eyeManager;
             private readonly IEntityManager _entityManager;
 
             public override OverlaySpace Space => OverlaySpace.WorldSpace;
 
-            public EntityPositionOverlay(IEntityLookup lookup, IEyeManager eyeManager, IEntityManager entityManager)
+            public EntityPositionOverlay(EntityLookupSystem lookup, IEyeManager eyeManager, IEntityManager entityManager)
             {
                 _lookup = lookup;
                 _eyeManager = eyeManager;
@@ -61,13 +65,11 @@ namespace Robust.Client.Debugging
 
                 var worldHandle = (DrawingHandleWorld) args.DrawingHandle;
                 var viewport = _eyeManager.GetWorldViewport();
+                var xformQuery = _entityManager.GetEntityQuery<TransformComponent>();
 
                 foreach (var entity in _lookup.GetEntitiesIntersecting(_eyeManager.CurrentMap, viewport))
                 {
-                    var transform = _entityManager.GetComponent<TransformComponent>(entity);
-
-                    var center = transform.WorldPosition;
-                    var worldRotation = transform.WorldRotation;
+                    var (center, worldRotation) = xformQuery.GetComponent(entity).GetWorldPositionRotation();
 
                     var xLine = worldRotation.RotateVec(Vector2.UnitX);
                     var yLine = worldRotation.RotateVec(Vector2.UnitY);

Robust.Client/Debugging/DebugPhysicsSystem.cs

@@ -207,10 +207,10 @@ namespace Robust.Client.Debugging
 
                     const float AlphaModifier = 0.2f;
 
-                    foreach (var fixture in physBody.Fixtures)
+                    foreach (var fixture in _entityManager.GetComponent<FixturesComponent>(physBody.Owner).Fixtures.Values)
                     {
-                        // Invalid shape - Box2D doesn't check for IsSensor
-                        if (physBody.BodyType == BodyType.Dynamic && fixture.Mass == 0f)
+                        // Invalid shape - Box2D doesn't check for IsSensor but we will for sanity.
+                        if (physBody.BodyType == BodyType.Dynamic && fixture.Mass == 0f && fixture.Hard)
                         {
                             DrawShape(worldHandle, fixture, xform, Color.Red.WithAlpha(AlphaModifier));
                         }
@@ -274,7 +274,7 @@ namespace Robust.Client.Debugging
                     const float AlphaModifier = 0.2f;
                     Box2? aabb = null;
 
-                    foreach (var fixture in physBody.Fixtures)
+                    foreach (var fixture in _entityManager.GetComponent<FixturesComponent>(physBody.Owner).Fixtures.Values)
                     {
                         for (var i = 0; i < fixture.Shape.ChildCount; i++)
                         {

Robust.Client/Debugging/IDebugDrawing.cs

@@ -1,13 +0,0 @@
-namespace Robust.Client.Debugging
-{
-    /// <summary>
-    /// A collection of visual debug overlays for the client game.
-    /// </summary>
-    public interface IDebugDrawing
-    {
-        /// <summary>
-        /// Toggles the visual overlay of the local origin for each entity on screen.
-        /// </summary>
-        bool DebugPositions { get; set; }
-    }
-}

Robust.Client/GameController/GameController.Loader.cs

@@ -7,7 +7,7 @@ namespace Robust.Client
 {
     internal partial class GameController
     {
-        internal class LoaderEntryPoint : ILoaderEntryPoint
+        internal sealed class LoaderEntryPoint : ILoaderEntryPoint
         {
             public void Main(IMainArgs args)
             {

Robust.Client/GameController/GameController.RobustModules.cs

@@ -1,5 +1,7 @@
 using System;
+using System.IO;
 using System.Reflection;
+using System.Runtime.Loader;
 using Robust.Client.WebViewHook;
 using Robust.Shared.Log;
 using Robust.Shared.Utility;
@@ -8,12 +10,8 @@ namespace Robust.Client
 {
     internal sealed partial class GameController
     {
-        private void LoadOptionalRobustModules(GameController.DisplayMode mode)
+        private void LoadOptionalRobustModules(DisplayMode mode, ResourceManifestData manifest)
         {
-            // In the future, this manifest should be loaded somewhere else and used for more parts of init.
-            // For now, this is fine.
-            var manifest = LoadResourceManifest();
-
             foreach (var module in manifest.Modules)
             {
                 switch (module)
@@ -32,7 +30,8 @@ namespace Robust.Client
         {
             Logger.Debug("Loading Robust.Client.WebView");
 
-            var assembly = LoadRobustModuleAssembly("Robust.Client.WebView");
+            var alc = CreateModuleLoadContext("Robust.Client.WebView");
+            var assembly = alc.LoadFromAssemblyName(new AssemblyName("Robust.Client.WebView"));
             var attribute = assembly.GetCustomAttribute<WebViewManagerImplAttribute>()!;
             DebugTools.AssertNotNull(attribute);
 
@@ -43,10 +42,52 @@ namespace Robust.Client
             Logger.Debug("Done initializing Robust.Client.WebView");
         }
 
-        private Assembly LoadRobustModuleAssembly(string assemblyName)
+        /// <summary>
+        /// Creates an <see cref="AssemblyLoadContext"/> that loads from an engine module directory.
+        /// </summary>
+        private AssemblyLoadContext CreateModuleLoadContext(string moduleName)
         {
-            // TODO: Launcher distribution and all that stuff.
-            return Assembly.Load(assemblyName);
+            var sawmill = _logManager.GetSawmill("robust.mod");
+
+            var alc = new AssemblyLoadContext(moduleName);
+            var envVarName = $"ROBUST_MODULE_{moduleName.ToUpperInvariant().Replace('.', '_')}";
+            var envVar = Environment.GetEnvironmentVariable(envVarName);
+            if (string.IsNullOrEmpty(envVar))
+            {
+                sawmill.Debug("Module {ModuleName} has no path override specified", moduleName);
+                return alc;
+            }
+
+            sawmill.Debug("Path for module {ModuleName} is {ModulePath}", moduleName, envVar);
+
+            alc.Resolving += (_, name) =>
+            {
+                sawmill.Debug("Loading {AssemblyName} from module {ModuleName}", name.ToString(), moduleName);
+                var assemblyPath = Path.Combine(envVar, $"{name.Name}.dll");
+                if (!File.Exists(assemblyPath))
+                    return null;
+
+                return alc.LoadFromAssemblyPath(assemblyPath);
+            };
+
+            _modLoader.ExtraModuleLoaders += name =>
+            {
+                foreach (var assembly in alc.Assemblies)
+                {
+                    var assemblyName = assembly.GetName();
+                    if (assemblyName.Name == name.Name)
+                    {
+                        sawmill.Debug("Resolved {ResolvingAssembly} as assembly {ResolvedAssembly} from {ModuleName}", name.ToString(), assemblyName.ToString(), moduleName);
+                        return assembly;
+                    }
+                }
+
+                return null;
+            };
+
+            _modLoader.AddEngineModuleDirectory(envVar);
+
+            return alc;
         }
     }
 }

Robust.Client/GameController/GameController.cs

@@ -50,7 +50,6 @@ namespace Robust.Client
         [Dependency] private readonly IClientConsoleHost _console = default!;
         [Dependency] private readonly ITimerManager _timerManager = default!;
         [Dependency] private readonly IClientEntityManager _entityManager = default!;
-        [Dependency] private readonly IEntityLookup _lookup = default!;
         [Dependency] private readonly IPlacementManager _placementManager = default!;
         [Dependency] private readonly IClientGameStateManager _gameStateManager = default!;
         [Dependency] private readonly IOverlayManagerInternal _overlayManager = default!;
@@ -79,6 +78,8 @@ namespace Robust.Client
         public GameControllerOptions Options { get; private set; } = new();
         public InitialLaunchState LaunchState { get; private set; } = default!;
 
+        private ResourceManifestData? _resourceManifest;
+
         public void SetCommandLineArgs(CommandLineArgs args)
         {
             _commandLineArgs = args;
@@ -86,19 +87,25 @@ namespace Robust.Client
 
         internal bool StartupContinue(DisplayMode displayMode)
         {
+            DebugTools.AssertNotNull(_resourceManifest);
+
             _clyde.InitializePostWindowing();
             _clydeAudio.InitializePostWindowing();
-            _clyde.SetWindowTitle(Options.DefaultWindowTitle);
+            _clyde.SetWindowTitle(Options.DefaultWindowTitle ?? _resourceManifest!.DefaultWindowTitle ?? "RobustToolbox");
 
             _taskManager.Initialize();
             _fontManager.SetFontDpi((uint)_configurationManager.GetCVar(CVars.DisplayFontDpi));
 
+            // Load optional Robust modules.
+            LoadOptionalRobustModules(displayMode, _resourceManifest!);
+
             // 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(!ContentStart);
             _modLoader.SetEnableSandboxing(Options.Sandboxing);
 
-            if (!_modLoader.TryLoadModulesFrom(Options.AssemblyDirectory, Options.ContentModulePrefix))
+            var assemblyPrefix = Options.ContentModulePrefix ?? _resourceManifest!.AssemblyPrefix ?? "Content.";
+            if (!_modLoader.TryLoadModulesFrom(Options.AssemblyDirectory, assemblyPrefix))
             {
                 Logger.Fatal("Errors while loading content assemblies.");
                 return false;
@@ -111,9 +118,6 @@ namespace Robust.Client
 
             IoCManager.Resolve<ISerializationManager>().Initialize();
 
-            // Load optional Robust modules.
-            LoadOptionalRobustModules(displayMode);
-
             // Call Init in game assemblies.
             _modLoader.BroadcastRunLevel(ModRunLevel.PreInit);
             _modLoader.BroadcastRunLevel(ModRunLevel.Init);
@@ -129,8 +133,8 @@ namespace Robust.Client
             _prototypeManager.Initialize();
             _prototypeManager.LoadDirectory(Options.PrototypeDirectory);
             _prototypeManager.Resync();
-            _mapManager.Initialize();
             _entityManager.Initialize();
+            _mapManager.Initialize();
             _gameStateManager.Initialize();
             _placementManager.Initialize();
             _viewVariablesManager.Initialize();
@@ -209,7 +213,7 @@ namespace Robust.Client
         {
             // Parses /manifest.yml for game-specific settings that cannot be exclusively set up by content code.
             if (!_resourceCache.TryContentFileRead("/manifest.yml", out var stream))
-                return new ResourceManifestData(Array.Empty<string>());
+                return new ResourceManifestData(Array.Empty<string>(), null, null, null, null);
 
             var yamlStream = new YamlStream();
             using (stream)
@@ -218,6 +222,9 @@ namespace Robust.Client
                 yamlStream.Load(streamReader);
             }
 
+            if (yamlStream.Documents.Count == 0)
+                return new ResourceManifestData(Array.Empty<string>(), null, null, null, null);
+
             if (yamlStream.Documents.Count != 1 || yamlStream.Documents[0].RootNode is not YamlMappingNode mapping)
             {
                 throw new InvalidOperationException(
@@ -235,7 +242,23 @@ namespace Robust.Client
                 }
             }
 
-            return new ResourceManifestData(modules);
+            string? assemblyPrefix = null;
+            if (mapping.TryGetNode("assemblyPrefix", out var prefixNode))
+                assemblyPrefix = prefixNode.AsString();
+
+            string? defaultWindowTitle = null;
+            if (mapping.TryGetNode("defaultWindowTitle", out var winTitleNode))
+                defaultWindowTitle = winTitleNode.AsString();
+
+            string? windowIconSet = null;
+            if (mapping.TryGetNode("windowIconSet", out var iconSetNode))
+                windowIconSet = iconSetNode.AsString();
+
+            string? splashLogo = null;
+            if (mapping.TryGetNode("splashLogo", out var splashNode))
+                splashLogo = splashNode.AsString();
+
+            return new ResourceManifestData(modules, assemblyPrefix, defaultWindowTitle, windowIconSet, splashLogo);
         }
 
         internal bool StartupSystemSplash(GameControllerOptions options, Func<ILogHandler>? logHandlerFactory)
@@ -301,15 +324,6 @@ namespace Robust.Client
                 _configurationManager.OverrideConVars(_commandLineArgs.CVars);
             }
 
-            {
-                // Handle GameControllerOptions implicit CVar overrides.
-                _configurationManager.OverrideConVars(new[]
-                {
-                    (CVars.DisplayWindowIconSet.Name, options.WindowIconSet.ToString()),
-                    (CVars.DisplaySplashLogo.Name, options.SplashLogo.ToString())
-                });
-            }
-
             ProfileOptSetup.Setup(_configurationManager);
 
             _resourceCache.Initialize(Options.LoadConfigAndUserData ? userDataDir : null);
@@ -324,11 +338,32 @@ namespace Robust.Client
 
             if (_loaderArgs != null)
             {
+                if (_loaderArgs.ApiMounts is { } mounts)
+                {
+                    foreach (var (api, prefix) in mounts)
+                    {
+                        _resourceCache.MountLoaderApi(api, "", new ResourcePath(prefix));
+                    }
+                }
+
                 _stringSerializer.EnableCaching = false;
                 _resourceCache.MountLoaderApi(_loaderArgs.FileApi, "Resources/");
                 _modLoader.VerifierExtraLoadHandler = VerifierExtraLoadHandler;
             }
 
+            _resourceManifest = LoadResourceManifest();
+
+            {
+                // Handle GameControllerOptions implicit CVar overrides.
+                _configurationManager.OverrideConVars(new[]
+                {
+                    (CVars.DisplayWindowIconSet.Name,
+                        options.WindowIconSet?.ToString() ?? _resourceManifest.WindowIconSet ?? ""),
+                    (CVars.DisplaySplashLogo.Name,
+                        options.SplashLogo?.ToString() ?? _resourceManifest.SplashLogo ?? "")
+                });
+            }
+
             _clyde.TextEntered += TextEntered;
             _clyde.MouseMove += MouseMove;
             _clyde.KeyUp += KeyUp;
@@ -419,6 +454,7 @@ namespace Robust.Client
         private void Tick(FrameEventArgs frameEventArgs)
         {
             _modLoader.BroadcastUpdate(ModUpdateLevel.PreEngine, frameEventArgs);
+            _console.CommandBufferExecute();
             _timerManager.UpdateTimers(frameEventArgs);
             _taskManager.ProcessPendingTasks();
 
@@ -431,8 +467,9 @@ namespace Robust.Client
             // In singleplayer, however, we're in full control instead.
             else if (_client.RunLevel == ClientRunLevel.SinglePlayerGame)
             {
-                _entityManager.TickUpdate(frameEventArgs.DeltaSeconds);
-                _lookup.Update();
+                // The last real tick is the current tick! This way we won't be in "prediction" mode.
+                _gameTiming.LastRealTick = _gameTiming.CurTick;
+                _entityManager.TickUpdate(frameEventArgs.DeltaSeconds, noPredictions: false);
             }
 
             _modLoader.BroadcastUpdate(ModUpdateLevel.PostEngine, frameEventArgs);
@@ -472,7 +509,7 @@ 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;
+            logManager.GetSawmill("loc").Level = LogLevel.Warning;
 
 #if DEBUG_ONLY_FCE_INFO
 #if DEBUG_ONLY_FCE_LOG
@@ -537,12 +574,17 @@ namespace Robust.Client
 
             _networkManager.Shutdown("Client shutting down");
             _midiManager.Shutdown();
-            IoCManager.Resolve<IEntityLookup>().Shutdown();
             _entityManager.Shutdown();
             _clyde.Shutdown();
             _clydeAudio.Shutdown();
         }
 
-        private sealed record ResourceManifestData(string[] Modules);
+        private sealed record ResourceManifestData(
+            string[] Modules,
+            string? AssemblyPrefix,
+            string? DefaultWindowTitle,
+            string? WindowIconSet,
+            string? SplashLogo
+        );
     }
 }

Robust.Client/GameControllerOptions.cs

@@ -3,7 +3,7 @@ using Robust.Shared.Utility;
 
 namespace Robust.Client
 {
-    public class GameControllerOptions
+    public sealed class GameControllerOptions
     {
         /// <summary>
         ///     Whether content sandboxing will be enabled & enforced.
@@ -30,12 +30,18 @@ namespace Robust.Client
         /// <summary>
         ///     Default window title.
         /// </summary>
-        public string DefaultWindowTitle { get; init; } = "Space Station 14";
+        /// <remarks>
+        /// Defaults to <c>RobustToolbox</c> if unset.
+        /// </remarks>
+        public string? DefaultWindowTitle { get; init; }
 
         /// <summary>
         ///     Assemblies with this prefix will be loaded.
         /// </summary>
-        public string ContentModulePrefix { get; init; } = "Content.";
+        /// <remarks>
+        /// Defaults to <c>Content.</c> if unset.
+        /// </remarks>
+        public string? ContentModulePrefix { get; init; }
 
         /// <summary>
         ///     Name of the content build directory, for game pack mounting purposes.
@@ -55,12 +61,12 @@ namespace Robust.Client
         /// <summary>
         /// Directory resource path containing window icons to load.
         /// </summary>
-        public ResourcePath WindowIconSet { get; init; } = new("/Textures/Logo/icon");
+        public ResourcePath? WindowIconSet { get; init; }
 
         /// <summary>
         /// Resource path for splash image to show when the game starts up.
         /// </summary>
-        public ResourcePath SplashLogo { get; init; } = new("/Textures/Logo/logo.png");
+        public ResourcePath? SplashLogo { get; init; }
 
         /// <summary>
         ///     Whether to disable mounting the "Resources/" folder on FULL_RELEASE.

Robust.Client/GameObjects/ClientComponentFactory.cs

@@ -6,7 +6,7 @@ using Robust.Shared.Reflection;
 
 namespace Robust.Client.GameObjects
 {
-    internal class ClientComponentFactory : ComponentFactory
+    internal sealed class ClientComponentFactory : ComponentFactory
     {
         public ClientComponentFactory(IDynamicTypeFactoryInternal typeFactory, IReflectionManager reflectionManager, IConsoleHost conHost)
             : base(typeFactory, reflectionManager, conHost)
@@ -29,13 +29,9 @@ namespace Robust.Client.GameObjects
             RegisterClass<EyeComponent>();
             RegisterClass<AnimationPlayerComponent>();
             RegisterClass<TimerComponent>();
-
-#if DEBUG
             RegisterClass<DebugExceptionOnAddComponent>();
             RegisterClass<DebugExceptionInitializeComponent>();
             RegisterClass<DebugExceptionStartupComponent>();
-#endif
-
         }
     }
 }

Robust.Client/GameObjects/ClientEntityManager.cs

@@ -27,7 +27,6 @@ namespace Robust.Client.GameObjects
         public override void Initialize()
         {
             SetupNetworking();
-            ReceivedComponentMessage += (_, compMsg) => DispatchComponentMessage(compMsg);
             ReceivedSystemMessage += (_, systemMsg) => EventBus.RaiseEvent(EventSource.Network, systemMsg);
 
             base.Initialize();
@@ -52,9 +51,6 @@ namespace Robust.Client.GameObjects
 
         public override IEntityNetworkManager EntityNetManager => this;
 
-        /// <inheritdoc />
-        public event EventHandler<NetworkComponentMessage>? ReceivedComponentMessage;
-
         /// <inheritdoc />
         public event EventHandler<object>? ReceivedSystemMessage;
 
@@ -67,7 +63,7 @@ namespace Robust.Client.GameObjects
             _networkManager.RegisterNetMessage<MsgEntity>(HandleEntityNetworkMessage);
         }
 
-        public override void TickUpdate(float frameTime, Histogram? histogram)
+        public override void TickUpdate(float frameTime, bool noPredictions, Histogram? histogram)
         {
             using (histogram?.WithLabels("EntityNet").NewTimer())
             {
@@ -79,7 +75,7 @@ namespace Robust.Client.GameObjects
                 }
             }
 
-            base.TickUpdate(frameTime, histogram);
+            base.TickUpdate(frameTime, noPredictions, histogram);
         }
 
         /// <inheritdoc />
@@ -105,25 +101,6 @@ namespace Robust.Client.GameObjects
             throw new NotSupportedException();
         }
 
-        /// <inheritdoc />
-        [Obsolete("Component Messages are deprecated, use Entity Events instead.")]
-        public void SendComponentNetworkMessage(INetChannel? channel, EntityUid entity, IComponent component, ComponentMessage message)
-        {
-            var netId = ComponentFactory.GetRegistration(component.GetType()).NetID;
-
-            if (!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;
-            msg.NetId = netId.Value;
-            msg.ComponentMessage = message;
-            msg.SourceTick = _gameTiming.CurTick;
-
-            _networkManager.ClientSendMessage(msg);
-        }
-
         private void HandleEntityNetworkMessage(MsgEntity message)
         {
             if (message.SourceTick <= _gameStateManager.CurServerTick)
@@ -142,10 +119,6 @@ namespace Robust.Client.GameObjects
         {
             switch (message.Type)
             {
-                case EntityMessageType.ComponentMessage:
-                    ReceivedComponentMessage?.Invoke(this, new NetworkComponentMessage(message));
-                    return;
-
                 case EntityMessageType.SystemMessage:
                     var msg = message.SystemMessage;
                     var sessionType = typeof(EntitySessionMessage<>).MakeGenericType(msg.GetType());

Robust.Client/GameObjects/ComponentStateApplyException.cs

@@ -4,6 +4,7 @@ using System.Runtime.Serialization;
 namespace Robust.Client.GameObjects
 {
     [Serializable]
+    [Virtual]
     public class ComponentStateApplyException : Exception
     {
         public ComponentStateApplyException()

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

@@ -13,8 +13,6 @@ namespace Robust.Client.GameObjects
     {
         // TODO: Give this component a friend someday. Way too much content shit to change atm ._.
 
-        public override string Name => "AnimationPlayer";
-
         public int PlayingAnimationCount => PlayingAnimations.Count;
 
         internal readonly Dictionary<string, AnimationPlayback> PlayingAnimations

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

@@ -1,4 +1,5 @@
-using Robust.Shared.GameObjects;
+using System;
+using Robust.Shared.GameObjects;
 using Robust.Shared.Serialization.Manager.Attributes;
 
 namespace Robust.Client.GameObjects;
@@ -14,6 +15,7 @@ public abstract class AppearanceVisualizer
     ///     Initializes an entity to be managed by this appearance controller.
     ///     DO NOT assume this is your only entity. Visualizers are shared.
     /// </summary>
+    [Obsolete("Subscribe to your component being initialised instead.")]
     public virtual void InitializeEntity(EntityUid entity)
     {
     }
@@ -23,6 +25,7 @@ public abstract class AppearanceVisualizer
     ///     Update its visuals here.
     /// </summary>
     /// <param name="component">The appearance component of the entity that might need updating.</param>
+    [Obsolete("Subscribe to AppearanceChangeEvent instead.")]
     public virtual void OnChangeData(AppearanceComponent component)
     {
     }

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

@@ -1,4 +1,5 @@
 using System.Collections.Generic;
+using Robust.Shared.Analyzers;
 using Robust.Shared.GameObjects;
 using Robust.Shared.Serialization.Manager.Attributes;
 using Robust.Shared.ViewVariables;
@@ -9,39 +10,10 @@ namespace Robust.Client.GameObjects;
 /// This is the client instance of <see cref="AppearanceComponent"/>.
 /// </summary>
 [RegisterComponent]
-[ComponentReference(typeof(AppearanceComponent))]
+[ComponentReference(typeof(AppearanceComponent)), Friend(typeof(AppearanceSystem))]
 public sealed class ClientAppearanceComponent : AppearanceComponent
 {
-    [ViewVariables]
-    private bool _appearanceDirty;
-
     [ViewVariables]
     [DataField("visuals")]
     internal List<AppearanceVisualizer> Visualizers = new();
-
-    protected override void MarkDirty()
-    {
-        if (_appearanceDirty)
-            return;
-
-        EntitySystem.Get<AppearanceSystem>().EnqueueUpdate(this);
-        _appearanceDirty = true;
-    }
-
-    protected override void Initialize()
-    {
-        base.Initialize();
-
-        foreach (var visual in Visualizers)
-        {
-            visual.InitializeEntity(Owner);
-        }
-
-        MarkDirty();
-    }
-
-    internal void UnmarkDirty()
-    {
-        _appearanceDirty = false;
-    }
 }

Robust.Client/GameObjects/Components/Eye/EyeComponent.cs

@@ -9,14 +9,11 @@ using Robust.Shared.ViewVariables;
 namespace Robust.Client.GameObjects
 {
     [ComponentReference(typeof(SharedEyeComponent))]
-    public class EyeComponent : SharedEyeComponent
+    public sealed class EyeComponent : SharedEyeComponent
     {
         [Dependency] private readonly IEyeManager _eyeManager = default!;
         [Dependency] private readonly IEntityManager _entityManager = default!;
 
-        /// <inheritdoc />
-        public override string Name => "Eye";
-
         [ViewVariables]
         private Eye? _eye = default!;
 

Robust.Client/GameObjects/Components/Icon/IconComponent.cs

@@ -1,4 +1,4 @@
-using Robust.Client.Graphics;
+using Robust.Client.Graphics;
 using Robust.Client.ResourceManagement;
 using Robust.Client.Utility;
 using Robust.Shared.GameObjects;
@@ -12,9 +12,8 @@ using Robust.Shared.Utility;
 namespace Robust.Client.GameObjects
 {
     [RegisterComponent]
-    public class IconComponent : Component, ISerializationHooks
+    public sealed class IconComponent : Component, ISerializationHooks
     {
-        public override string Name => "Icon";
         public IDirectionalTextureProvider? Icon { get; private set; }
 
         [DataField("sprite")]

Robust.Client/GameObjects/Components/Input/InputComponent.cs

@@ -1,4 +1,4 @@
-using Robust.Shared.GameObjects;
+using Robust.Shared.GameObjects;
 using Robust.Shared.Input;
 using Robust.Shared.Serialization.Manager.Attributes;
 using Robust.Shared.ViewVariables;
@@ -8,11 +8,8 @@ namespace Robust.Client.GameObjects
     /// <summary>
     ///     Defines data fields used in the <see cref="InputSystem"/>.
     /// </summary>
-    public class InputComponent : Component
+    public sealed class InputComponent : Component
     {
-        /// <inheritdoc />
-        public override string Name => "Input";
-
         /// <summary>
         ///     The context that will be made active for a client that attaches to this entity.
         /// </summary>

Robust.Client/GameObjects/Components/Light/ClientOccluderComponent.cs

@@ -8,7 +8,7 @@ using Robust.Shared.ViewVariables;
 namespace Robust.Client.GameObjects
 {
     [ComponentReference(typeof(OccluderComponent))]
-    internal sealed class ClientOccluderComponent : OccluderComponent
+    public sealed class ClientOccluderComponent : OccluderComponent
     {
         [Dependency] private readonly IMapManager _mapManager = default!;
         [Dependency] private readonly IEntityManager _entityManager = default!;
@@ -40,13 +40,14 @@ namespace Robust.Client.GameObjects
 
         public void AnchorStateChanged()
         {
-            SendDirty();
+            var xform = _entityManager.GetComponent<TransformComponent>(Owner);
+            SendDirty(xform);
 
-            if(!_entityManager.GetComponent<TransformComponent>(Owner).Anchored)
+            if(!xform.Anchored)
                 return;
 
-            var grid = _mapManager.GetGrid(_entityManager.GetComponent<TransformComponent>(Owner).GridID);
-            _lastPosition = (_entityManager.GetComponent<TransformComponent>(Owner).GridID, grid.TileIndicesFor(_entityManager.GetComponent<TransformComponent>(Owner).Coordinates));
+            var grid = _mapManager.GetGrid(xform.GridID);
+            _lastPosition = (xform.GridID, grid.TileIndicesFor(xform.Coordinates));
         }
 
         protected override void Shutdown()
@@ -56,9 +57,10 @@ namespace Robust.Client.GameObjects
             SendDirty();
         }
 
-        private void SendDirty()
+        private void SendDirty(TransformComponent? xform = null)
         {
-            if (_entityManager.GetComponent<TransformComponent>(Owner).Anchored)
+            xform ??= _entityManager.GetComponent<TransformComponent>(Owner);
+            if (xform.Anchored)
             {
                 _entityManager.EventBus.RaiseEvent(EventSource.Local,
                     new OccluderDirtyEvent(Owner, _lastPosition));
@@ -69,13 +71,29 @@ namespace Robust.Client.GameObjects
         {
             Occluding = OccluderDir.None;
 
-            if (Deleted || !_entityManager.GetComponent<TransformComponent>(Owner).Anchored)
+            if (Deleted)
+                return;
+
+            // Content may want to override the default behavior for occlusion.
+            var xform = _entityManager.GetComponent<TransformComponent>(Owner);
+            var ev = new OccluderDirectionsEvent
             {
+                Component = xform,
+            };
+
+            _entityManager.EventBus.RaiseLocalEvent(Owner, ref ev);
+
+            if (ev.Handled)
+            {
+                Occluding = ev.Directions;
                 return;
             }
 
-            var grid = _mapManager.GetGrid(_entityManager.GetComponent<TransformComponent>(Owner).GridID);
-            var position = _entityManager.GetComponent<TransformComponent>(Owner).Coordinates;
+            if (!xform.Anchored)
+                return;
+
+            var grid = _mapManager.GetGrid(xform.GridID);
+            var position = xform.Coordinates;
             void CheckDir(Direction dir, OccluderDir oclDir)
             {
                 foreach (var neighbor in grid.GetInDir(position, dir))
@@ -88,7 +106,7 @@ namespace Robust.Client.GameObjects
                 }
             }
 
-            var angle = _entityManager.GetComponent<TransformComponent>(Owner).LocalRotation;
+            var angle = xform.LocalRotation;
             var dirRolling = angle.GetCardinalDir();
             // dirRolling starts at effective south
 
@@ -103,15 +121,28 @@ namespace Robust.Client.GameObjects
 
             CheckDir(dirRolling, OccluderDir.East);
         }
+    }
 
-        [Flags]
-        internal enum OccluderDir : byte
-        {
-            None = 0,
-            North = 1,
-            East = 1 << 1,
-            South = 1 << 2,
-            West = 1 << 3,
-        }
+    [Flags]
+    public enum OccluderDir : byte
+    {
+        None = 0,
+        North = 1,
+        East = 1 << 1,
+        South = 1 << 2,
+        West = 1 << 3,
+    }
+
+    /// <summary>
+    /// Raised by occluders when trying to get occlusion directions.
+    /// </summary>
+    [ByRefEvent]
+    public struct OccluderDirectionsEvent
+    {
+        public bool Handled = false;
+        public OccluderDir Directions = OccluderDir.None;
+        public TransformComponent Component = default!;
+
+        public OccluderDirectionsEvent() {}
     }
 }

Robust.Client/GameObjects/Components/Light/PointLightComponent.cs

@@ -11,7 +11,7 @@ namespace Robust.Client.GameObjects
 {
     [RegisterComponent]
     [ComponentReference(typeof(SharedPointLightComponent))]
-    public class PointLightComponent : SharedPointLightComponent, ISerializationHooks
+    public sealed class PointLightComponent : SharedPointLightComponent, ISerializationHooks
     {
         [Dependency] private readonly IEntityManager _entityManager = default!;
 
@@ -96,26 +96,6 @@ namespace Robust.Client.GameObjects
         [ViewVariables(VVAccess.ReadWrite)]
         public Texture? Mask { get; set; }
 
-        [ViewVariables(VVAccess.ReadWrite)]
-        [Animatable]
-        public float Energy
-        {
-            get => _energy;
-            set => _energy = value;
-        }
-
-        /// <summary>
-        ///     Soft shadow strength multiplier.
-        ///     Has no effect if soft shadows are not enabled.
-        /// </summary>
-        [ViewVariables(VVAccess.ReadWrite)]
-        [Animatable]
-        public float Softness
-        {
-            get => _softness;
-            set => _softness = value;
-        }
-
         [ViewVariables(VVAccess.ReadWrite)]
         public bool VisibleNested
         {
@@ -134,10 +114,7 @@ namespace Robust.Client.GameObjects
         [DataField("autoRot")]
         private bool _maskAutoRotate;
         private Angle _rotation;
-        [DataField("energy")]
-        private float _energy = 1f;
-        [DataField("softness")]
-        private float _softness = 1f;
+
         [DataField("mask")]
         internal string? _maskPath;
 
@@ -162,7 +139,7 @@ namespace Robust.Client.GameObjects
         internal RenderingTreeComponent? RenderTree { get; set; }
     }
 
-    public class PointLightRadiusChangedEvent : EntityEventArgs
+    public sealed class PointLightRadiusChangedEvent : EntityEventArgs
     {
         public PointLightComponent PointLightComponent { get; }
 

Robust.Client/GameObjects/Components/Renderable/ISpriteComponent.cs

@@ -25,6 +25,8 @@ namespace Robust.Client.GameObjects
         [Animatable]
         Vector2 Scale { get; set; }
 
+        Box2 Bounds { get; }
+
         /// <summary>
         ///     A rotation applied to all layers.
         /// </summary>
@@ -119,7 +121,8 @@ namespace Robust.Client.GameObjects
         ///     This is useful to allow layer map configs to be defined in prototypes,
         ///     while still allowing code to create configs if they're absent.
         /// </remarks>
-        void LayerMapReserveBlank(object key);
+        /// <returns>Index of the new layer.</returns>
+        int LayerMapReserveBlank(object key);
 
         /// <summary>
         ///     Adds a layer without texture (thus falling back to the error texture).
@@ -145,8 +148,8 @@ namespace Robust.Client.GameObjects
         void RemoveLayer(int layer);
         void RemoveLayer(object layerKey);
 
-        void LayerSetShader(int layer, ShaderInstance shader);
-        void LayerSetShader(object layerKey, ShaderInstance shader);
+        void LayerSetShader(int layer, ShaderInstance shader, string? prototype = null);
+        void LayerSetShader(object layerKey, ShaderInstance shader, string? prototype = null);
         void LayerSetShader(int layer, string shaderName);
         void LayerSetShader(object layerKey, string shaderName);
 
@@ -217,8 +220,8 @@ namespace Robust.Client.GameObjects
         int GetLayerDirectionCount(ISpriteLayer layer);
 
         /// <summary>
-        ///     Calculate sprite bounding box in world-space coordinates.
+        ///     Calculate the rotated sprite bounding box in world-space coordinates.
         /// </summary>
-        Box2 CalculateBoundingBox(Vector2 worldPos);
+        Box2Rotated CalculateRotatedBoundingBox(Vector2 worldPosition, Angle worldRotation, IEye? eye = null);
     }
 }

Robust.Client/GameObjects/Components/Renderable/ISpriteLayer.cs

@@ -25,8 +25,6 @@ namespace Robust.Client.GameObjects
 
         RSI.State.Direction EffectiveDirection(Angle worldRotation);
 
-        Vector2 LocalToLayer(Vector2 localPos);
-
         /// <summary>
         ///     Layer size in pixels.
         ///     Don't account layer scale or sprite world transform.

Robust.Client/GameObjects/Components/Renderable/SpriteBoundsOverlay.cs

@@ -57,7 +57,7 @@ namespace Robust.Client.GameObjects
         private bool _enabled;
     }
 
-    public class SpriteBoundsOverlay : Overlay
+    public sealed class SpriteBoundsOverlay : Overlay
     {
         public override OverlaySpace Space => OverlaySpace.WorldSpace;
 
@@ -84,10 +84,16 @@ namespace Robust.Client.GameObjects
 
                 foreach (var sprite in comp.SpriteTree.QueryAabb(localAABB))
                 {
-                    var worldPos = _entityManager.GetComponent<TransformComponent>(sprite.Owner).WorldPosition;
-                    var bounds = sprite.CalculateBoundingBox(worldPos);
+                    var (worldPos, worldRot) = _entityManager.GetComponent<TransformComponent>(sprite.Owner).GetWorldPositionRotation();
+                    var bounds = sprite.CalculateRotatedBoundingBox(worldPos, worldRot);
+
+                    // Get scaled down bounds used to indicate the "south" of a sprite.
+                    var localBound = bounds.Box;
+                    var smallLocal = localBound.Scale(0.2f).Translated(-new Vector2(0f, localBound.Extents.Y));
+                    var southIndicator = new Box2Rotated(smallLocal, bounds.Rotation, bounds.Origin);
+
                     handle.DrawRect(bounds, Color.Red.WithAlpha(0.2f));
-                    handle.DrawRect(bounds.Scale(0.2f).Translated(-new Vector2(0f, bounds.Extents.Y)), Color.Blue.WithAlpha(0.5f));
+                    handle.DrawRect(southIndicator, Color.Blue.WithAlpha(0.5f));
                 }
             }
         }

Robust.Client/GameObjects/Components/RenderingTreeComponent.cs

@@ -6,8 +6,6 @@ namespace Robust.Client.GameObjects
     [RegisterComponent]
     public sealed class RenderingTreeComponent : Component
     {
-        public override string Name => "RenderingTree";
-
         internal DynamicTree<SpriteComponent> SpriteTree { get; set; } = default!;
         internal DynamicTree<PointLightComponent> LightTree { get; set; } = default!;
     }

Robust.Client/GameObjects/Components/UserInterface/ClientUserInterfaceComponent.cs

@@ -11,7 +11,7 @@ using Robust.Shared.ViewVariables;
 namespace Robust.Client.GameObjects
 {
     [ComponentReference(typeof(SharedUserInterfaceComponent))]
-    public class ClientUserInterfaceComponent : SharedUserInterfaceComponent, ISerializationHooks
+    public sealed class ClientUserInterfaceComponent : SharedUserInterfaceComponent, ISerializationHooks
     {
         [Dependency] private readonly IReflectionManager _reflectionManager = default!;
         [Dependency] private readonly IDynamicTypeFactory _dynamicTypeFactory = default!;