ok now it works

CringeBootstrap/Program.cs

@@ -25,7 +25,6 @@ var context = new GameDirectoryAssemblyLoadContext(dir);
 
 // a list of assemblies which are not in the game binaries but reference them
 context.AddDependencyOverride("CringeLauncher");
-context.AddDependencyOverride("PluginLoader");
 context.AddDependencyOverride("CringePlugins");
 
 var launcher = context.LoadFromAssemblyName(new AssemblyName("CringeLauncher"));

CringeBootstrap/packages.lock.json

@@ -135,10 +135,15 @@
         "resolved": "5.3.4",
         "contentHash": "gLy7+O1hEYJXIlcTr1/VWjGXrZTQFZzYNO18IWasD64pNwz0BreV+nHLxWKXWZzERRzoKnsk2XYtwLkTVk7J1A=="
       },
+      "NuGet.Frameworks": {
+        "type": "Transitive",
+        "resolved": "6.11.1",
+        "contentHash": "plTZ3ariSWQVsFn2mk83SsdmSg1VpgIMTSZpP/eSE/NNQF02p+M9ItxAYeUZBMX+cQ2nFkSwxQRJ0/fkaV9Hbg=="
+      },
       "NuGet.Versioning": {
         "type": "Transitive",
-        "resolved": "6.10.1",
+        "resolved": "6.11.1",
-        "contentHash": "tovHZ3OlMVmsTdhv2z5nwnnhoA1ryhfJMyVQ9/+iv6d3h78fp230XaGy3K/iVcLwB50DdfNfIsitW97KSOWDFg=="
+        "contentHash": "YNn3BB71F+guJW42TbAhGcMh3gpyqFMZcPVD9pm5vcvGivTALtRely/VCPWQQ6JQ5PfwIrjPaJMO7VnqyeK3rg=="
       },
       "protobuf-net": {
         "type": "Transitive",
@@ -160,8 +165,8 @@
       },
       "SpaceEngineersDedicated.ReferenceAssemblies": {
         "type": "Transitive",
-        "resolved": "1.204.18",
+        "resolved": "1.205.23",
-        "contentHash": "GT7/9CBMx4jjor41zLOOl87YYM/JdJD8xp9ccXyuhP2oUaz25H3ZmCQuGeAuZNENKru1a/7hZrId4PwlMDGoew==",
+        "contentHash": "J7mF5hY39PzzCZps6vhIRzKiq8vD6Af9TgumTJR068vjEi+BzyeEFhqX+cl2Dd1ngOmsBtGWc5m+vxgTfs5YuA==",
         "dependencies": {
           "SharpDX": "4.2.0-keen-cringe",
           "protobuf-net": "1.0.0"
@@ -321,7 +326,11 @@
           "CringeBootstrap.Abstractions": "[1.0.0, )",
           "CringePlugins": "[1.0.0, )",
           "ImGui.NET.DirectX": "[1.91.0.1, )",
-          "PluginLoader": "[1.0.0, )",
+          "Lib.Harmony.Thin": "[2.3.3, )",
+          "Microsoft.CodeAnalysis.CSharp": "[4.11.0, )",
+          "NLog": "[5.3.4, )",
+          "SpaceEngineersDedicated.ReferenceAssemblies": "[1.*, )",
+          "Steamworks.NET": "[20.1.0, )",
           "System.Diagnostics.PerformanceCounter": "[8.0.0, )",
           "System.Management": "[8.0.0, )",
           "System.Private.ServiceModel": "[4.10.3, )",
@@ -333,20 +342,26 @@
       "cringeplugins": {
         "type": "Project",
         "dependencies": {
-          "CringeBootstrap.Abstractions": "[1.0.0, )",
           "NLog": "[5.3.4, )",
+          "NuGet": "[1.0.0, )",
+          "SharedCringe": "[1.0.0, )",
           "SpaceEngineersDedicated.ReferenceAssemblies": "[1.*, )",
           "dnlib": "[4.4.0, )"
         }
       },
-      "pluginloader": {
+      "nuget": {
         "type": "Project",
         "dependencies": {
-          "Lib.Harmony.Thin": "[2.3.3, )",
+          "NuGet.Frameworks": "[6.11.1, )",
-          "Microsoft.CodeAnalysis.CSharp": "[4.11.0, )",
+          "NuGet.Versioning": "[6.11.1, )"
+        }
+      },
+      "sharedcringe": {
+        "type": "Project",
+        "dependencies": {
+          "CringeBootstrap.Abstractions": "[1.0.0, )",
           "NLog": "[5.3.4, )",
-          "SpaceEngineersDedicated.ReferenceAssemblies": "[1.*, )",
+          "SpaceEngineersDedicated.ReferenceAssemblies": "[1.*, )"
-          "Steamworks.NET": "[20.1.0, )"
         }
       }
     },

CringeLauncher.sln

@@ -12,6 +12,10 @@ Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "CringePlugins", "CringePlug
 EndProject
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "TestPlugin", "TestPlugin\TestPlugin.csproj", "{C1670878-2301-4AE5-ABD3-5C4D0882CB02}"
 EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "NuGet", "NuGet\NuGet.csproj", "{CC5362CA-881A-4867-9642-033269C1F7D7}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "SharedCringe", "SharedCringe\SharedCringe.csproj", "{BDA680D8-D4E3-48A9-8ED4-C4991098B71D}"
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Any CPU = Debug|Any CPU
@@ -42,5 +46,13 @@ Global
 		{C1670878-2301-4AE5-ABD3-5C4D0882CB02}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{C1670878-2301-4AE5-ABD3-5C4D0882CB02}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{C1670878-2301-4AE5-ABD3-5C4D0882CB02}.Release|Any CPU.Build.0 = Release|Any CPU
+		{CC5362CA-881A-4867-9642-033269C1F7D7}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{CC5362CA-881A-4867-9642-033269C1F7D7}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{CC5362CA-881A-4867-9642-033269C1F7D7}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{CC5362CA-881A-4867-9642-033269C1F7D7}.Release|Any CPU.Build.0 = Release|Any CPU
+		{BDA680D8-D4E3-48A9-8ED4-C4991098B71D}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{BDA680D8-D4E3-48A9-8ED4-C4991098B71D}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{BDA680D8-D4E3-48A9-8ED4-C4991098B71D}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{BDA680D8-D4E3-48A9-8ED4-C4991098B71D}.Release|Any CPU.Build.0 = Release|Any CPU
 	EndGlobalSection
 EndGlobal

CringeLauncher/CringeLauncher.csproj

@@ -13,6 +13,10 @@
 
     <ItemGroup>
         <Publicize Include="VRage:VRage.Plugins.MyPlugins.LoadPlugins" />
+        <Publicize Include="SpaceEngineers.Game:SpaceEngineers.Game.SpaceEngineersGame.OnRenderInitialized" />
+        <Publicize Include="Sandbox.Game:Sandbox.Engine.Platform.Game.set_DrawThread" />
+        <Publicize Include="Sandbox.Game:Sandbox.MySandboxGame.form" />
+        <Publicize Include="Sandbox.Game:Sandbox.MySandboxGame.RenderThread_SizeChanged" />
         <Publicize Include="VRage.Render11;VRage.Platform.Windows" />
     </ItemGroup>
 
@@ -32,12 +36,16 @@
             <PrivateAssets>all</PrivateAssets>
             <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
         </PackageReference>
+        <PackageReference Include="NLog" Version="5.3.4" />
+        <PackageReference Include="Lib.Harmony.Thin" Version="2.3.3" />
+        <PackageReference Include="Microsoft.CodeAnalysis.CSharp" Version="4.11.0" />
+        <PackageReference Include="SpaceEngineersDedicated.ReferenceAssemblies" Version="1.*" ExcludeAssets="runtime" />
+        <PackageReference Include="Steamworks.NET" Version="20.1.0" />
     </ItemGroup>
 
     <ItemGroup>
         <ProjectReference Include="..\CringeBootstrap.Abstractions\CringeBootstrap.Abstractions.csproj" />
         <ProjectReference Include="..\CringePlugins\CringePlugins.csproj" />
-        <ProjectReference Include="..\PluginLoader\PluginLoader.csproj" />
     </ItemGroup>
 
     <ItemGroup>

CringeLauncher/ImGuiHandler.cs

@@ -4,6 +4,7 @@ using System.Runtime.Versioning;
 using Windows.Win32;
 using Windows.Win32.Foundation;
 using Windows.Win32.UI.WindowsAndMessaging;
+using CringePlugins.Abstractions;
 using CringePlugins.Render;
 using ImGuiNET;
 using SharpDX.Direct3D11;
@@ -19,7 +20,7 @@ internal class ImGuiHandler : IDisposable
     public static ImGuiHandler? Instance;
     
     public static RenderTargetView? Rtv;
-    private readonly RenderHandler _renderHandler;
+    private readonly IRootRenderComponent _renderHandler;
 
     public ImGuiHandler(nint windowHandle, Device1 device, DeviceContext deviceContext)
     {

CringeLauncher/Launcher.cs

@@ -1,13 +1,11 @@
-using System.Diagnostics;
+using System.Reflection;
-using System.Reflection;
-using System.Runtime.Loader;
 using CringeBootstrap.Abstractions;
 using CringeLauncher.Utils;
 using CringePlugins.Loader;
+using CringePlugins.Splash;
 using HarmonyLib;
 using NLog;
 using Sandbox;
-using Sandbox.Engine.Multiplayer;
 using Sandbox.Engine.Networking;
 using Sandbox.Engine.Platform.VideoMode;
 using Sandbox.Engine.Utils;
@@ -15,21 +13,19 @@ using Sandbox.Game;
 using SpaceEngineers.Game;
 using SpaceEngineers.Game.Achievements;
 using SpaceEngineers.Game.GUI;
-using Steamworks;
 using Velopack;
 using VRage;
 using VRage.Audio;
-using VRage.EOS;
 using VRage.FileSystem;
 using VRage.Game;
 using VRage.Game.Localization;
 using VRage.GameServices;
 using VRage.Mod.Io;
 using VRage.Platform.Windows;
-using VRage.Plugins;
 using VRage.Steam;
 using VRage.UserInterface;
 using VRageRender;
+using VRageRender.ExternalApp;
 
 namespace CringeLauncher;
 
@@ -40,6 +36,8 @@ public class Launcher : ICorePlugin
     private readonly Harmony _harmony = new("CringeBootstrap");
     private PluginsLifetime? _lifetime;
 
+    private MyGameRenderComponent? _renderComponent;
+
     public void Initialize(string[] args)
     {
         LogManager.Setup()
@@ -57,33 +55,25 @@ public class Launcher : ICorePlugin
         
         //environment variable for viktor's plugins
         Environment.SetEnvironmentVariable("SE_PLUGIN_DISABLE_METHOD_VERIFICATION", "True");
-
+        
-        // early init for plugin loader
-        ProtoBuf.Meta.RuntimeTypeModel.Create(true);
         _harmony.PatchAll(typeof(Launcher).Assembly);
-        SteamAPI.Init();
-        MyPlugins.LoadPlugins([typeof(PluginLoader.Main).Assembly]);
         
         #if !DEBUG
             CheckUpdates().GetAwaiter().GetResult();
         #endif
+
+        var splash = new Splash();
         
-        PluginLoader.Main.Instance.Splash?.SetText("Initializing plugins...");
+        splash.DefineStage(_lifetime = new PluginsLifetime());
-        PluginLoader.Main.Instance.Splash?.SetBarValue(0);
         
-        _lifetime = new PluginsLifetime();
-        
-        PluginLoader.Main.Instance.Splash?.SetText("Initializing game...");
         InitTexts();
         SpaceEngineersGame.SetupBasicGameInfo();
         MyFinalBuildConstants.APP_VERSION = MyPerGameSettings.BasicGameInfo.GameVersion.GetValueOrDefault();
         MyShaderCompiler.Init(MyShaderCompiler.TargetPlatform.PC, false);
-        PluginLoader.Main.Instance.Splash?.SetBarValue(.25f);
         MyVRageWindows.Init(MyPerGameSettings.BasicGameInfo.ApplicationName, MySandboxGame.Log,
                             Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.ApplicationData),
                                          MyPerGameSettings.BasicGameInfo.ApplicationName), 
                             false, false);
-        PluginLoader.Main.Instance.Splash?.SetBarValue(.35f);
         
         MyPlatformGameSettings.SAVE_TO_CLOUD_OPTION_AVAILABLE = true;
         MyXAudio2.DEVICE_DETAILS_SUPPORTED = false;
@@ -101,39 +91,54 @@ public class Launcher : ICorePlugin
                                           MyFakes.VOICE_CHAT_MIC_SENSITIVITY = MySandboxGame.Config.MicSensitivity;
                                           MyPlatformGameSettings.VOICE_CHAT_AUTOMATIC_ACTIVATION = MySandboxGame.Config.AutomaticVoiceChatActivation;
                                       });
-        PluginLoader.Main.Instance.Splash?.SetBarValue(.55f);
         MyVRage.Platform.Init();
-        PluginLoader.Main.Instance.Splash?.SetBarValue(.65f);
-        InitUgc();
-        PluginLoader.Main.Instance.Splash?.SetBarValue(.75f);
         SpaceEngineersGame.SetupPerGameSettings();
         ConfigureSettings();
-        // MySandboxGame.InitMultithreading();
         InitThreadPool();
-        PluginLoader.Main.Instance.Splash?.SetBarValue(.85f);
         MyVRage.Platform.System.OnThreadpoolInitialized();
         InitRender();
-        PluginLoader.Main.Instance.Splash?.SetBarValue(.95f);
+        
+        _renderComponent = new();
+        _renderComponent.Start(new(), InitEarlyWindow, MyVideoSettingsManager.Initialize(), MyPerGameSettings.MaxFrameRate);
+        _renderComponent.RenderThread.BeforeDraw += MyFpsManager.Update;
+        _renderComponent.RenderThread.SizeChanged += RenderThreadOnSizeChanged;
+        
+        splash.ExecuteLoadingStages();
+        
+        InitUgc();
         MyFileSystem.InitUserSpecific(MyGameService.UserId.ToString());
-        _game = new(args);
+        _game = new(args)
-        PluginLoader.Main.Instance.Splash?.SetText("Launching...");
+        {
+            GameRenderComponent = _renderComponent,
+            DrawThread = _renderComponent.RenderThread.SystemThread,
+            form = MyVRage.Platform.Windows.Window
+        };
+
+        _renderComponent.RenderThread.SizeChanged += _game.RenderThread_SizeChanged;
+        _renderComponent.RenderThread.UpdateSize();
+    }
+
+    private void RenderThreadOnSizeChanged(int width, int height, MyViewport viewport)
+    {
+        if (_renderComponent is not null)
+            _renderComponent.RenderThread.SizeChanged -= RenderThreadOnSizeChanged;
+        
+        MyVRage.Platform.Windows.Window.ShowAndFocus();
     }
 
     public void Run() => _game?.Run();
 
+    private static IVRageWindow InitEarlyWindow()
+    {
+        MyVRage.Platform.Windows.CreateWindow("Cringe Launcher", MyPerGameSettings.GameIcon, null);
+
+        MyVRage.Platform.Windows.Window.OnExit += MySandboxGame.ExitThreadSafe;
+
+        return MyVRage.Platform.Windows.Window;
+    }
+
     private async Task CheckUpdates()
     {
-        void Report(string s, float p)
-        {
-            PluginLoader.Main.Instance.Splash?.Invoke(() =>
-            {
-                PluginLoader.Main.Instance.Splash?.SetText(s);
-                PluginLoader.Main.Instance.Splash?.SetBarValue(p);
-            });
-        }
-        
-        PluginLoader.Main.Instance.Splash?.SetText("Checking for updates...");
-        
         var mgr = new UpdateManager("https://the.place/you-host/updates");
         
         // check for new version
@@ -142,9 +147,7 @@ public class Launcher : ICorePlugin
             return; // no update available
 
         // download new version
-        await mgr.DownloadUpdatesAsync(newVersion, i => Report("Downloading update...", i / 100f));
+        await mgr.DownloadUpdatesAsync(newVersion);
-        
-        Report("Restarting for update", 1f);
 
         // install new version and restart app
         mgr.ApplyUpdatesAndRestart(newVersion);
@@ -164,8 +167,7 @@ public class Launcher : ICorePlugin
 
     private static void InitTexts()
     {
-        //MyLanguage.Instance.ObtainCurrentOSCulture();
+        var textsPath = Path.Combine(MyFileSystem.RootPath, @"Content\Data\Localization\CoreTexts");
-        var textsPath = Path.Combine(MyFileSystem.RootPath, "Content\\Data\\Localization\\CoreTexts");
         var hashSet = new HashSet<MyLanguagesEnum>();
         MyTexts.LoadSupportedLanguages(textsPath, hashSet);
     
@@ -176,7 +178,7 @@ public class Launcher : ICorePlugin
         MyTexts.LoadTexts(textsPath, description.CultureName, description.SubcultureName);
     }
 
-    private static void InitUgc()
+    public static void InitUgc()
     {
         var steamGameService = MySteamGameService.Create(false, AppId);
         MyServiceManager.Instance.AddService(steamGameService);

CringeLauncher/Loader/ModAssemblyLoadContext.cs

@@ -0,0 +1,7 @@
+using CringeBootstrap.Abstractions;
+using SharedCringe.Loader;
+
+namespace CringeLauncher.Loader;
+
+public class ModAssemblyLoadContext(ICoreLoadContext parentContext)
+    : DerivedAssemblyLoadContext(parentContext, "World Mods Context");

CringeLauncher/Patches/IntrospectionPatches.cs

@@ -1,15 +1,18 @@
 using System.Diagnostics;
 using System.Reflection;
 using System.Runtime.Loader;
+using System.Xml.Serialization;
 using CringeBootstrap.Abstractions;
 using CringePlugins.Utils;
 using HarmonyLib;
+using Sandbox.Game.World;
 using VRage;
 using VRage.FileSystem;
 using VRage.Game;
 using VRage.Game.Common;
 using VRage.Game.Components;
 using VRage.Game.Definitions;
+using VRage.Game.Entity.UseObject;
 using VRage.ObjectBuilders;
 using VRage.ObjectBuilders.Private;
 using VRage.Plugins;
@@ -24,15 +27,31 @@ public static class IntrospectionPatches
     {
         if (AssemblyLoadContext.GetLoadContext(__instance) is ICoreLoadContext || __instance.FullName?.StartsWith("System.") == true)
             return true;
-
+        
-#if DEBUG
+        Debug.WriteLine($"Blocking GetTypes for {__instance.FullName}");
-        Debugger.Break();
         
         __result = [];
         return false;
-#else
+    }
-        throw new NotSupportedException($"Getting types from {__instance} is not supported");
+
-#endif
+    [HarmonyPrefix, HarmonyPatch(typeof(AccessTools), nameof(AccessTools.GetTypesFromAssembly))]
+    private static bool GetTypesHarmonyPrefix(Assembly assembly, ref Type[] __result)
+    {
+        if (AssemblyLoadContext.GetLoadContext(assembly) is ICoreLoadContext)
+            return true;
+
+        __result = IntrospectionContext.Global.CollectAttributedTypes<HarmonyAttribute>(assembly.GetMainModule())
+            .ToArray();
+        return false;
+    }
+    
+    [HarmonyPrefix, HarmonyPatch(typeof(MySession), "PrepareBaseSession", typeof(MyObjectBuilder_Checkpoint), typeof(MyObjectBuilder_Sector))]
+    private static void PrepareSessionPrefix()
+    {
+        // i hate keen for that in MyUseObjectFactory..cctor
+        // MyUseObjectFactory.RegisterAssemblyTypes(Assembly.LoadFrom(Path.Combine(MyFileSystem.ExePath, "Sandbox.Game.dll")));
+        
+        MyUseObjectFactory.RegisterAssemblyTypes(MyPlugins.SandboxGameAssembly);
     }
 
     [HarmonyPrefix, HarmonyPatch(typeof(MyPlugins), nameof(MyPlugins.LoadPlugins))]
@@ -52,83 +71,24 @@ public static class IntrospectionPatches
         return false;
     }
 
-    [HarmonyPrefix, HarmonyPatch(typeof(MyObjectBuilderSerializerKeen), nameof(MyObjectBuilderSerializerKeen.RegisterFromAssembly))]
+    [HarmonyPrefix, HarmonyPatch(typeof(MyXmlSerializerManager), "TryLoadSerializerFrom")]
-    private static bool RegisterXmlSerializersPrefix(
+    private static bool LoadSerializerPrefix(string assemblyName, string typeName, ref XmlSerializer? __result)
-        MyObjectFactory<MyObjectBuilderDefinitionAttribute, MyObjectBuilder_Base> ___m_objectFactory, Assembly assembly)
     {
-        Register(___m_objectFactory, assembly);
+        if (AssemblyLoadContext.GetLoadContext(typeof(IntrospectionPatches).Assembly) is not ICoreLoadContext context)
-        return false;
+            return false;
-    }
-    
-    [HarmonyPrefix, HarmonyPatch(typeof(MyComponentFactory), nameof(MyComponentFactory.RegisterFromAssembly))]
-    private static bool RegisterComponentsPrefix(
-        MyObjectFactory<MyComponentBuilderAttribute, MyComponentBase> ___m_objectFactory, Assembly assembly)
-    {
-        Register(___m_objectFactory, assembly);
-        return false;
-    }
 
-    [HarmonyTranspiler,
+        var assembly = context.ResolveFromAssemblyName(new(assemblyName));
-     HarmonyPatch(typeof(MyDefinitionManagerBase), nameof(MyDefinitionManagerBase.RegisterTypesFromAssembly))]
-    private static IEnumerable<CodeInstruction> RegisterDefinitionTypesTranspiler(
-        IEnumerable<CodeInstruction> instructions)
-    {
-        var getTypesMethod = AccessTools.DeclaredMethod(typeof(Assembly), nameof(Assembly.GetTypes));
-        var getDefinitionTypesMethod = AccessTools.DeclaredMethod(typeof(IntrospectionPatches), nameof(GetDefinitionTypes));
-        return instructions.MethodReplacer(getTypesMethod, getDefinitionTypesMethod);
-    }
 
-    private static Type[] GetDefinitionTypes(Assembly assembly)
+        if (assembly?.GetType($"Microsoft.Xml.Serialization.GeneratedAssembly.{typeName}Serializer") is not { } type)
-    {
+            return false;
-        return IntrospectionContext.Global.CollectAttributedTypes<MyDefinitionTypeAttribute>(assembly.GetMainModule())
+        
-            .ToArray();
+        __result = Activator.CreateInstance(type) as XmlSerializer;
-    }
+        
-    
+        return false;
-    [HarmonyTranspiler,
-     HarmonyPatch(typeof(MyObjectBuilderType), nameof(MyObjectBuilderType.RegisterFromAssembly))]
-    private static IEnumerable<CodeInstruction> RegisterObjectBuilderTypesTranspiler(
-        IEnumerable<CodeInstruction> instructions)
-    {
-        var getTypesMethod = AccessTools.DeclaredMethod(typeof(Assembly), nameof(Assembly.GetTypes));
-        var getDefinitionTypesMethod = AccessTools.DeclaredMethod(typeof(IntrospectionPatches), nameof(GetObjectBuilderTypes));
-        return instructions.MethodReplacer(getTypesMethod, getDefinitionTypesMethod);
-    }
-    
-    private static Type[] GetObjectBuilderTypes(Assembly assembly)
-    {
-        return IntrospectionContext.Global.CollectDerivedTypes<MyObjectBuilder_Base>(assembly.GetMainModule())
-            .ToArray();
-    }
-    
-    [HarmonyTranspiler,
-     HarmonyPatch(typeof(MyComponentTypeFactory), nameof(MyComponentTypeFactory.RegisterFromAssembly), typeof(Assembly))]
-    private static IEnumerable<CodeInstruction> RegisterComponentTypesTranspiler(IEnumerable<CodeInstruction> instructions)
-    {
-        var getTypesMethod = AccessTools.DeclaredMethod(typeof(Assembly), nameof(Assembly.GetTypes));
-        var getDefinitionTypesMethod = AccessTools.DeclaredMethod(typeof(IntrospectionPatches), nameof(GetComponentTypes));
-        return instructions.MethodReplacer(getTypesMethod, getDefinitionTypesMethod);
-    }
-    
-    private static Type[] GetComponentTypes(Assembly assembly)
-    {
-        return IntrospectionContext.Global.CollectDerivedTypes<MyComponentBase>(assembly.GetMainModule())
-            .ToArray();
     }
 
     [HarmonyPrefix, HarmonyPatch(typeof(MyXmlSerializerManager), nameof(MyXmlSerializerManager.RegisterFromAssembly))]
     private static bool XmlManagerRegisterPrefix(Assembly assembly) => AssemblyLoadContext.GetLoadContext(assembly) is ICoreLoadContext;
-
-    private static void Register<TAttribute, TCreatedObjectBase>(MyObjectFactory<TAttribute, TCreatedObjectBase> factory, Assembly assembly)
-        where TAttribute : MyFactoryTagAttribute where TCreatedObjectBase : class
-    {
-        foreach (var type in IntrospectionContext.Global.CollectAttributedTypes<TAttribute>(assembly.GetMainModule()))
-        {
-            foreach (var attribute in type.GetCustomAttributes<TAttribute>())
-            {
-                factory.RegisterDescriptor(attribute, type);
-            }
-        }
-    }
     
     [HarmonyPatch]
     private static class GameAssembliesPatch

CringeLauncher/Patches/ModAssemblyLoadContextPatches.cs

@@ -0,0 +1,70 @@
+using System.Reflection;
+using System.Reflection.Emit;
+using System.Runtime.Loader;
+using CringeBootstrap.Abstractions;
+using CringeLauncher.Loader;
+using HarmonyLib;
+using Sandbox.Game.World;
+using VRage.Scripting;
+
+namespace CringeLauncher.Patches;
+
+[HarmonyPatch]
+public static class ModAssemblyLoadContextPatches
+{
+    private static ModAssemblyLoadContext? _currentSessionContext;
+    
+    [HarmonyPatch(typeof(MyScriptCompiler), nameof(MyScriptCompiler.Compile), MethodType.Async)]
+    [HarmonyTranspiler]
+    private static IEnumerable<CodeInstruction> CompilerTranspiler(IEnumerable<CodeInstruction> instructions, MethodBase original)
+    {
+        var matcher = new CodeMatcher(instructions);
+
+        var load1Method = AccessTools.DeclaredMethod(typeof(Assembly), nameof(Assembly.Load), [typeof(byte[]), typeof(byte[])]);
+        var load2Method = AccessTools.DeclaredMethod(typeof(Assembly), nameof(Assembly.Load), [typeof(byte[])]);
+
+        matcher.SearchForward(i => i.Calls(load1Method))
+            .InsertAndAdvance(new(OpCodes.Ldarg_0), CodeInstruction.LoadField(original.DeclaringType, "target"))
+            .SetInstruction(CodeInstruction.CallClosure((byte[] assembly, byte[] symbols, MyApiTarget target) =>
+            {
+                if (target is not MyApiTarget.Mod) return Assembly.Load(assembly, symbols);
+                ArgumentNullException.ThrowIfNull(_currentSessionContext, "No session context");
+                return _currentSessionContext.LoadFromStream(new MemoryStream(assembly), new MemoryStream(symbols));
+            }));
+        
+        matcher.SearchForward(i => i.Calls(load2Method))
+            .InsertAndAdvance(new(OpCodes.Ldarg_0), CodeInstruction.LoadField(original.DeclaringType, "target"))
+            .SetInstruction(CodeInstruction.CallClosure((byte[] assembly, MyApiTarget target) =>
+            {
+                if (target is not MyApiTarget.Mod) return Assembly.Load(assembly);
+                ArgumentNullException.ThrowIfNull(_currentSessionContext, "No session context");
+                return _currentSessionContext.LoadFromStream(new MemoryStream(assembly));
+            }));
+
+        return matcher.Instructions();
+    }
+
+    [HarmonyPatch(typeof(MySession), nameof(MySession.Load))]
+    [HarmonyPatch(typeof(MySession), "LoadMultiplayer")]
+    [HarmonyPrefix]
+    private static void LoadPrefix()
+    {
+        if (_currentSessionContext is not null)
+            throw new InvalidOperationException("Previous session context was not disposed");
+        
+        if (AssemblyLoadContext.GetLoadContext(typeof(MySession).Assembly) is not ICoreLoadContext coreContext)
+            throw new NotSupportedException("Mod loading is not supported in this context");
+        
+        _currentSessionContext = new ModAssemblyLoadContext(coreContext);
+    }
+
+    [HarmonyPatch(typeof(MySession), nameof(MySession.Unload))]
+    [HarmonyPostfix]
+    private static void UnloadPostfix()
+    {
+        if (_currentSessionContext is null) return;
+        
+        _currentSessionContext.Unload();
+        _currentSessionContext = null;
+    }
+}

CringeLauncher/Patches/RenderInitPatch.cs

@@ -0,0 +1,10 @@
+using HarmonyLib;
+using SpaceEngineers.Game;
+
+namespace CringeLauncher.Patches;
+
+[HarmonyPatch(typeof(SpaceEngineersGame), "InitializeRender")]
+public static class RenderInitPatch
+{
+    private static bool Prefix() => false;
+}

CringeLauncher/packages.lock.json

@@ -25,6 +25,28 @@
         "resolved": "2.2.1",
         "contentHash": "QGI4nMGQbKsuFUUboixVHu4mv3lHB5RejIa7toIlzTmwLkuCYYEpUBJjmy3OpXYyj5dVSZAXVbr4oeMSloE67Q=="
       },
+      "Lib.Harmony.Thin": {
+        "type": "Direct",
+        "requested": "[2.3.3, )",
+        "resolved": "2.3.3",
+        "contentHash": "jsaFv7XnWJnyfyvFbkgIkZtV6tWMteNUcDK3idq+3LwPqpTFNxsOv2eKmj4qqP8QR8UynG1Y9AUaC/+dVruMHg==",
+        "dependencies": {
+          "MonoMod.Core": "1.1.0",
+          "System.Text.Json": "8.0.1"
+        }
+      },
+      "Microsoft.CodeAnalysis.CSharp": {
+        "type": "Direct",
+        "requested": "[4.11.0, )",
+        "resolved": "4.11.0",
+        "contentHash": "6XYi2EusI8JT4y2l/F3VVVS+ISoIX9nqHsZRaG6W5aFeJ5BEuBosHfT/ABb73FN0RZ1Z3cj2j7cL28SToJPXOw==",
+        "dependencies": {
+          "Microsoft.CodeAnalysis.Analyzers": "3.3.4",
+          "Microsoft.CodeAnalysis.Common": "[4.11.0]",
+          "System.Collections.Immutable": "8.0.0",
+          "System.Reflection.Metadata": "8.0.0"
+        }
+      },
       "Microsoft.Windows.CsWin32": {
         "type": "Direct",
         "requested": "[0.3.106, )",
@@ -36,6 +58,28 @@
           "Microsoft.Windows.WDK.Win32Metadata": "0.11.4-experimental"
         }
       },
+      "NLog": {
+        "type": "Direct",
+        "requested": "[5.3.4, )",
+        "resolved": "5.3.4",
+        "contentHash": "gLy7+O1hEYJXIlcTr1/VWjGXrZTQFZzYNO18IWasD64pNwz0BreV+nHLxWKXWZzERRzoKnsk2XYtwLkTVk7J1A=="
+      },
+      "SpaceEngineersDedicated.ReferenceAssemblies": {
+        "type": "Direct",
+        "requested": "[1.*, )",
+        "resolved": "1.205.23",
+        "contentHash": "J7mF5hY39PzzCZps6vhIRzKiq8vD6Af9TgumTJR068vjEi+BzyeEFhqX+cl2Dd1ngOmsBtGWc5m+vxgTfs5YuA==",
+        "dependencies": {
+          "SharpDX": "4.2.0-keen-cringe",
+          "protobuf-net": "1.0.0"
+        }
+      },
+      "Steamworks.NET": {
+        "type": "Direct",
+        "requested": "[20.1.0, )",
+        "resolved": "20.1.0",
+        "contentHash": "+GntwnyJ5tCNvUIaQxv2+ehDvZJzGUqlSB5xRBk1hTj1qqBJ6s4vK/OfGD/jae7aTmXiGSm8wpJORosNtQevJQ=="
+      },
       "System.Diagnostics.PerformanceCounter": {
         "type": "Direct",
         "requested": "[8.0.0, )",
@@ -88,15 +132,6 @@
           "NuGet.Versioning": "6.10.1"
         }
       },
-      "Lib.Harmony.Thin": {
-        "type": "Transitive",
-        "resolved": "2.3.3",
-        "contentHash": "jsaFv7XnWJnyfyvFbkgIkZtV6tWMteNUcDK3idq+3LwPqpTFNxsOv2eKmj4qqP8QR8UynG1Y9AUaC/+dVruMHg==",
-        "dependencies": {
-          "MonoMod.Core": "1.1.0",
-          "System.Text.Json": "8.0.1"
-        }
-      },
       "Microsoft.Bcl.AsyncInterfaces": {
         "type": "Transitive",
         "resolved": "5.0.0",
@@ -117,17 +152,6 @@
           "System.Reflection.Metadata": "8.0.0"
         }
       },
-      "Microsoft.CodeAnalysis.CSharp": {
-        "type": "Transitive",
-        "resolved": "4.11.0",
-        "contentHash": "6XYi2EusI8JT4y2l/F3VVVS+ISoIX9nqHsZRaG6W5aFeJ5BEuBosHfT/ABb73FN0RZ1Z3cj2j7cL28SToJPXOw==",
-        "dependencies": {
-          "Microsoft.CodeAnalysis.Analyzers": "3.3.4",
-          "Microsoft.CodeAnalysis.Common": "[4.11.0]",
-          "System.Collections.Immutable": "8.0.0",
-          "System.Reflection.Metadata": "8.0.0"
-        }
-      },
       "Microsoft.Extensions.DependencyInjection.Abstractions": {
         "type": "Transitive",
         "resolved": "8.0.0",
@@ -203,15 +227,15 @@
           "MonoMod.ILHelpers": "1.0.1"
         }
       },
-      "NLog": {
+      "NuGet.Frameworks": {
         "type": "Transitive",
-        "resolved": "5.3.4",
+        "resolved": "6.11.1",
-        "contentHash": "gLy7+O1hEYJXIlcTr1/VWjGXrZTQFZzYNO18IWasD64pNwz0BreV+nHLxWKXWZzERRzoKnsk2XYtwLkTVk7J1A=="
+        "contentHash": "plTZ3ariSWQVsFn2mk83SsdmSg1VpgIMTSZpP/eSE/NNQF02p+M9ItxAYeUZBMX+cQ2nFkSwxQRJ0/fkaV9Hbg=="
       },
       "NuGet.Versioning": {
         "type": "Transitive",
-        "resolved": "6.10.1",
+        "resolved": "6.11.1",
-        "contentHash": "tovHZ3OlMVmsTdhv2z5nwnnhoA1ryhfJMyVQ9/+iv6d3h78fp230XaGy3K/iVcLwB50DdfNfIsitW97KSOWDFg=="
+        "contentHash": "YNn3BB71F+guJW42TbAhGcMh3gpyqFMZcPVD9pm5vcvGivTALtRely/VCPWQQ6JQ5PfwIrjPaJMO7VnqyeK3rg=="
       },
       "protobuf-net": {
         "type": "Transitive",
@@ -231,20 +255,6 @@
           "System.Runtime.CompilerServices.Unsafe": "4.5.1"
         }
       },
-      "SpaceEngineersDedicated.ReferenceAssemblies": {
-        "type": "Transitive",
-        "resolved": "1.204.18",
-        "contentHash": "GT7/9CBMx4jjor41zLOOl87YYM/JdJD8xp9ccXyuhP2oUaz25H3ZmCQuGeAuZNENKru1a/7hZrId4PwlMDGoew==",
-        "dependencies": {
-          "SharpDX": "4.2.0-keen-cringe",
-          "protobuf-net": "1.0.0"
-        }
-      },
-      "Steamworks.NET": {
-        "type": "Transitive",
-        "resolved": "20.1.0",
-        "contentHash": "+GntwnyJ5tCNvUIaQxv2+ehDvZJzGUqlSB5xRBk1hTj1qqBJ6s4vK/OfGD/jae7aTmXiGSm8wpJORosNtQevJQ=="
-      },
       "System.Buffers": {
         "type": "Transitive",
         "resolved": "4.5.1",
@@ -353,20 +363,26 @@
       "cringeplugins": {
         "type": "Project",
         "dependencies": {
-          "CringeBootstrap.Abstractions": "[1.0.0, )",
           "NLog": "[5.3.4, )",
+          "NuGet": "[1.0.0, )",
+          "SharedCringe": "[1.0.0, )",
           "SpaceEngineersDedicated.ReferenceAssemblies": "[1.*, )",
           "dnlib": "[4.4.0, )"
         }
       },
-      "pluginloader": {
+      "nuget": {
         "type": "Project",
         "dependencies": {
-          "Lib.Harmony.Thin": "[2.3.3, )",
+          "NuGet.Frameworks": "[6.11.1, )",
-          "Microsoft.CodeAnalysis.CSharp": "[4.11.0, )",
+          "NuGet.Versioning": "[6.11.1, )"
+        }
+      },
+      "sharedcringe": {
+        "type": "Project",
+        "dependencies": {
+          "CringeBootstrap.Abstractions": "[1.0.0, )",
           "NLog": "[5.3.4, )",
-          "SpaceEngineersDedicated.ReferenceAssemblies": "[1.*, )",
+          "SpaceEngineersDedicated.ReferenceAssemblies": "[1.*, )"
-          "Steamworks.NET": "[20.1.0, )"
         }
       }
     },
@@ -382,6 +398,12 @@
           "System.Runtime.CompilerServices.Unsafe": "6.0.0"
         }
       },
+      "Steamworks.NET": {
+        "type": "Direct",
+        "requested": "[20.1.0, )",
+        "resolved": "20.1.0",
+        "contentHash": "+GntwnyJ5tCNvUIaQxv2+ehDvZJzGUqlSB5xRBk1hTj1qqBJ6s4vK/OfGD/jae7aTmXiGSm8wpJORosNtQevJQ=="
+      },
       "System.Diagnostics.PerformanceCounter": {
         "type": "Direct",
         "requested": "[8.0.0, )",
@@ -400,11 +422,6 @@
           "System.CodeDom": "8.0.0"
         }
       },
-      "Steamworks.NET": {
-        "type": "Transitive",
-        "resolved": "20.1.0",
-        "contentHash": "+GntwnyJ5tCNvUIaQxv2+ehDvZJzGUqlSB5xRBk1hTj1qqBJ6s4vK/OfGD/jae7aTmXiGSm8wpJORosNtQevJQ=="
-      },
       "System.Diagnostics.EventLog": {
         "type": "Transitive",
         "resolved": "8.0.0",

CringePlugins/Abstractions/IRenderComponent.cs

@@ -2,5 +2,10 @@
 
 public interface IRenderComponent
 {
+    /// <summary>
+    /// Gets called while the dear ImGui frame is being composed
+    /// </summary>
     void OnFrame();
-}
+}
+
+internal interface IRootRenderComponent : IRenderComponent, IDisposable;

CringePlugins/Config/PackagesConfig.cs

@@ -0,0 +1,13 @@
+using System.Collections.Immutable;
+using CringePlugins.Resolver;
+using NuGet;
+using NuGet.Models;
+
+namespace CringePlugins.Config;
+
+public record PackagesConfig(ImmutableArray<PackageSource> Sources, ImmutableArray<PackageReference> Packages)
+{
+    public static PackagesConfig Default { get; } = new([
+        new(string.Empty, "https://api.nuget.org/v3/index.json")
+    ], []);
+}

CringePlugins/CringePlugins.csproj

@@ -1,14 +1,16 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
     <PropertyGroup>
-        <TargetFramework>net8.0</TargetFramework>
+        <TargetFramework>net8.0-windows</TargetFramework>
         <ImplicitUsings>enable</ImplicitUsings>
         <Nullable>enable</Nullable>
+        <UseWindowsForms>true</UseWindowsForms>
         <RestorePackagesWithLockFile>true</RestorePackagesWithLockFile>
     </PropertyGroup>
 
     <ItemGroup>
-      <ProjectReference Include="..\CringeBootstrap.Abstractions\CringeBootstrap.Abstractions.csproj" />
+      <ProjectReference Include="..\NuGet\NuGet.csproj" />
+      <ProjectReference Include="..\SharedCringe\SharedCringe.csproj" />
     </ItemGroup>
 
     <ItemGroup>
@@ -25,5 +27,9 @@
             <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
         </PackageReference>
     </ItemGroup>
+    
+    <ItemGroup>
+      <EmbeddedResource Include="splash.gif" />
+    </ItemGroup>
 
 </Project>

CringePlugins/Loader/PluginAssemblyLoadContext.cs

@@ -1,19 +1,18 @@
 using System.Reflection;
 using System.Runtime.Loader;
 using CringeBootstrap.Abstractions;
+using SharedCringe.Loader;
 
 namespace CringePlugins.Loader;
 
-internal class PluginAssemblyLoadContext : AssemblyLoadContext
+internal class PluginAssemblyLoadContext : DerivedAssemblyLoadContext
 {
-    private readonly ICoreLoadContext _parentContext;
     private readonly string _entrypointPath;
     private readonly AssemblyDependencyResolver _dependencyResolver;
     private Assembly? _assembly;
 
-    internal PluginAssemblyLoadContext(ICoreLoadContext parentContext, string entrypointPath) : base($"Plugin Context {Path.GetFileNameWithoutExtension(entrypointPath)}", true)
+    internal PluginAssemblyLoadContext(ICoreLoadContext parentContext, string entrypointPath) : base(parentContext, $"Plugin Context {Path.GetFileNameWithoutExtension(entrypointPath)}")
     {
-        _parentContext = parentContext;
         _entrypointPath = entrypointPath;
         _dependencyResolver = new(entrypointPath);
     }
@@ -25,7 +24,7 @@ internal class PluginAssemblyLoadContext : AssemblyLoadContext
         if (_dependencyResolver.ResolveAssemblyToPath(assemblyName) is { } path)
             return LoadFromAssemblyPath(path);
         
-        return _parentContext.ResolveFromAssemblyName(assemblyName);
+        return base.Load(assemblyName);
     }
 
     protected override nint LoadUnmanagedDll(string unmanagedDllName)
@@ -33,6 +32,6 @@ internal class PluginAssemblyLoadContext : AssemblyLoadContext
         if (_dependencyResolver.ResolveUnmanagedDllToPath(unmanagedDllName) is { } path)
             return LoadUnmanagedDllFromPath(path);
         
-        return _parentContext.ResolveUnmanagedDll(unmanagedDllName);
+        return base.LoadUnmanagedDll(unmanagedDllName);
     }
 }

CringePlugins/Loader/PluginsLifetime.cs

@@ -1,38 +1,71 @@
 using System.Collections.Immutable;
+using System.Runtime.InteropServices;
+using System.Text.Json;
+using CringePlugins.Config;
+using CringePlugins.Resolver;
+using CringePlugins.Splash;
 using NLog;
+using NuGet;
+using NuGet.Deps;
+using NuGet.Frameworks;
 
 namespace CringePlugins.Loader;
 
-public class PluginsLifetime
+public class PluginsLifetime : ILoadingStage
 {
     private static readonly Logger Log = LogManager.GetCurrentClassLogger();
     
-    private readonly ImmutableArray<PluginInstance> _plugins;
+    public string Name => "Loading Plugins";
     
-    public PluginsLifetime()
+    private ImmutableArray<PluginInstance> _plugins = [];
-    {
+    private readonly DirectoryInfo _dir = Directory.CreateDirectory(Path.Join(Environment.GetFolderPath(Environment.SpecialFolder.ApplicationData), "CringeLauncher"));
-        var dir = Directory.CreateDirectory(Path.Join(Environment.GetFolderPath(Environment.SpecialFolder.ApplicationData), "CringeLauncher", "plugins"));
+    private readonly NuGetFramework _runtimeFramework = NuGetFramework.ParseFolder("net8.0-windows");
 
-        var plugins = ImmutableArray<PluginInstance>.Empty.ToBuilder();
+    public async ValueTask Load(ISplashProgress progress)
+    {
+        progress.DefineStepsCount(6);
         
-        foreach (var directory in dir.EnumerateDirectories())
+        progress.Report("Discovering local plugins");
+        
+        DiscoverLocalPlugins(_dir.CreateSubdirectory("plugins"));
+        
+        progress.Report("Loading config");
+
+        PackagesConfig? packagesConfig = null;
+        var configPath = Path.Join(_dir.FullName, "packages.json");
+        if (File.Exists(configPath))
+            await using (var stream = File.OpenRead(configPath))
+                packagesConfig = JsonSerializer.Deserialize<PackagesConfig>(stream, NuGetClient.SerializerOptions)!;
+
+        if (packagesConfig == null)
         {
-            var files = directory.GetFiles("*.dll");
+            packagesConfig = PackagesConfig.Default;
-            
+            await using var stream = File.Create(configPath);
-            if (files.Length != 1) continue;
+            await JsonSerializer.SerializeAsync(stream, packagesConfig, NuGetClient.SerializerOptions);
-            
-            try
-            {
-                plugins.Add(new PluginInstance(files[0].FullName));
-            }
-            catch (Exception e)
-            { 
-                Log.Error(e, "Failed to load plugin {PluginPath}", files[0].FullName);
-            }
         }
         
-        _plugins = plugins.ToImmutable();
+        progress.Report("Resolving packages");
+
+        var sourceMapping = new PackageSourceMapping(packagesConfig.Sources);
+        var resolver = new PackageResolver(_runtimeFramework, packagesConfig.Packages, sourceMapping);
+
+        var packages = await resolver.ResolveAsync();
         
+        progress.Report("Downloading packages");
+        
+        var cachedPackages = await resolver.DownloadPackagesAsync(_dir.CreateSubdirectory("cache"), packages, progress);
+        
+        progress.Report("Loading plugins");
+
+        await LoadPlugins(cachedPackages, sourceMapping);
+        
+        progress.Report("Registering plugins");
+        
+        RegisterLifetime();
+    }
+
+    private void RegisterLifetime()
+    {
         foreach (var instance in _plugins)
         {
             try
@@ -46,4 +79,56 @@ public class PluginsLifetime
             }
         }
     }
+
+    private async Task LoadPlugins(IReadOnlySet<CachedPackage> packages, PackageSourceMapping sourceMapping)
+    {
+        var plugins = _plugins.ToBuilder();
+        
+        foreach (var package in packages)
+        {
+            var dir = Path.Join(package.Directory.FullName, "lib", package.ResolvedFramework.GetShortFolderName());
+
+            await using (var stream = File.Create(Path.Join(dir, $"{package.Package.Id}.deps.json")))
+                await DependencyManifestUtility.WriteDependencyManifestAsync(stream, package.Entry, _runtimeFramework,
+                    sourceMapping,
+                    dependency =>
+                        packages.First(b => b.Package.Id.Equals(dependency.Id, StringComparison.OrdinalIgnoreCase))
+                            .Package
+                            .Version);
+            
+            LoadComponent(plugins, Path.Join(dir, $"{package.Package.Id}.dll"));
+        }
+        
+        _plugins = plugins.ToImmutable();
+    }
+
+    private void DiscoverLocalPlugins(DirectoryInfo dir)
+    {
+        var plugins = ImmutableArray<PluginInstance>.Empty.ToBuilder();
+        
+        foreach (var directory in dir.EnumerateDirectories())
+        {
+            var files = directory.GetFiles("*.deps.json");
+            
+            if (files.Length != 1) continue;
+            
+            var path = files[0].FullName[..^".deps.json".Length] + ".dll";
+            
+            LoadComponent(plugins, path);
+        }
+        
+        _plugins = plugins.ToImmutable();
+    }
+
+    private static void LoadComponent(ImmutableArray<PluginInstance>.Builder plugins, string path)
+    {
+        try
+        {
+            plugins.Add(new PluginInstance(path));
+        }
+        catch (Exception e)
+        { 
+            Log.Error(e, "Failed to load plugin {PluginPath}", path);
+        }
+    }
 }

CringePlugins/Render/RenderHandler.cs

@@ -4,7 +4,7 @@ using NLog;
 
 namespace CringePlugins.Render;
 
-public sealed class RenderHandler : IDisposable
+public sealed class RenderHandler : IRootRenderComponent
 {
     private static readonly Logger Log = LogManager.GetCurrentClassLogger();
     
@@ -23,7 +23,7 @@ public sealed class RenderHandler : IDisposable
         _components.Add(new ComponentRegistration(typeof(TComponent), instance));
     }
 
-    internal void OnFrame()
+    void IRenderComponent.OnFrame()
     {
         foreach (var (instanceType, renderComponent) in _components)
         {

CringePlugins/Resolver/PackageResolver.cs

@@ -0,0 +1,148 @@
+using System.Collections.Immutable;
+using System.IO.Compression;
+using NuGet;
+using NuGet.Frameworks;
+using NuGet.Models;
+using NuGet.Versioning;
+
+namespace CringePlugins.Resolver;
+
+public class PackageResolver(NuGetFramework runtimeFramework, ImmutableArray<PackageReference> references, PackageSourceMapping packageSources)
+{
+    public async Task<ImmutableHashSet<ResolvedPackage>> ResolveAsync()
+    {
+        var order = 0;
+        var packages = new SortedSet<Package>();
+
+        foreach (var reference in references)
+        {
+            var client = await packageSources.GetClientAsync(reference.Id);
+
+            var registrationRoot = await client.GetPackageRegistrationRootAsync(reference.Id);
+
+            NuGetVersion? version = null;
+            foreach (var page in registrationRoot.Items)
+            {
+                version = reference.Range.FindBestMatch(page.Items.Where(b => b.CatalogEntry.PackageTypes is [{ Name: "CringePlugin" }]).Select(b => b.CatalogEntry.Version));
+                if (version is not null)
+                    break;
+            }
+            
+            if (version is null)
+                throw new Exception($"Unable to find version for package {reference.Id}");
+            
+            var package = new Package(order, reference.Id, version, []); // todo resolve dependencies
+            
+            if (packages.Add(package))
+                continue;
+            
+            if (!packages.TryGetValue(package, out var existingPackage))
+                throw new Exception($"Duplicate package {package.Id}");
+            
+            if (package.Version < existingPackage.Version)
+                throw new Exception($"Package reference {package.Id} has lower version {package.Version} than already resolved {existingPackage.Version}");
+            
+            if (package.Version == existingPackage.Version)
+                continue;
+
+            packages.Remove(existingPackage);
+            packages.Add(package with
+            {
+                Order = ++order
+            });
+        }
+
+        var set = ImmutableHashSet<ResolvedPackage>.Empty.ToBuilder();
+        foreach (var package in packages)
+        {
+            var client = await packageSources.GetClientAsync(package.Id);
+            
+            var (catalogEntryUrl, catalogEntry) = await client.GetPackageRegistrationAsync(package.Id, package.Version);
+
+            catalogEntry ??= await client.GetPackageCatalogEntryAsync(catalogEntryUrl);
+
+            var nearestGroup = NuGetFrameworkUtility.GetNearest(catalogEntry.DependencyGroups, runtimeFramework,
+                g => g.TargetFramework);
+            
+            if (nearestGroup is null)
+                throw new Exception($"Unable to find compatible dependency group for package {package.Id}");
+
+            set.Add(new RemotePackage(package, nearestGroup.TargetFramework, client, catalogEntry));
+        }
+
+        return set.ToImmutable();
+    }
+
+    public async Task<ImmutableHashSet<CachedPackage>> DownloadPackagesAsync(DirectoryInfo baseDirectory,
+        IReadOnlySet<ResolvedPackage> resolvedPackages, IProgress<float>? progress = null)
+    {
+        var packages = ImmutableHashSet<CachedPackage>.Empty.ToBuilder();
+        
+        var i = 0f;
+        foreach (var package in resolvedPackages)
+        {
+            switch (package)
+            {
+                case RemotePackage remotePackage:
+                {
+                    var dir = new DirectoryInfo(Path.Join(baseDirectory.FullName, package.Package.Id, package.Package.Version.ToString()));
+                    if (!dir.Exists)
+                    {
+                        dir.Create();
+
+                        await using var stream = await remotePackage.Client.GetPackageContentStreamAsync(remotePackage.Package.Id, remotePackage.Package.Version);
+                        using var memStream = new MemoryStream();
+                        await stream.CopyToAsync(memStream);
+                        memStream.Position = 0;
+                        using var archive = new ZipArchive(memStream, ZipArchiveMode.Read);
+                        archive.ExtractToDirectory(dir.FullName);
+                    }
+                
+                    packages.Add(new CachedPackage(package.Package, package.ResolvedFramework, dir, package.Entry));
+                    break;
+                }
+                case CachedPackage cachedPackage:
+                    packages.Add(cachedPackage);
+                    break;
+            }
+
+            progress?.Report(i++ / resolvedPackages.Count);
+        }
+        
+        return packages.ToImmutable();
+    }
+}
+
+public record CachedPackage(Package Package, NuGetFramework ResolvedFramework, DirectoryInfo Directory, CatalogEntry Entry) : ResolvedPackage(Package, ResolvedFramework, Entry);
+public record RemotePackage(Package Package, NuGetFramework ResolvedFramework, NuGetClient Client, CatalogEntry Entry) : ResolvedPackage(Package, ResolvedFramework, Entry);
+
+public abstract record ResolvedPackage(Package Package, NuGetFramework ResolvedFramework, CatalogEntry Entry);
+
+public record Package(int Order, string Id, NuGetVersion Version, ImmutableArray<string> Dependencies) : IComparable<Package>, IComparable
+{
+    public int CompareTo(Package? other)
+    {
+        if (ReferenceEquals(this, other)) return 0;
+        if (other is null) return 1;
+        var orderComparison = Order.CompareTo(other.Order);
+        if (orderComparison != 0) return orderComparison;
+        return string.Compare(Id, other.Id, StringComparison.OrdinalIgnoreCase);
+    }
+
+    public int CompareTo(object? obj)
+    {
+        if (obj is null) return 1;
+        if (ReferenceEquals(this, obj)) return 0;
+        return obj is Package other ? CompareTo(other) : throw new ArgumentException($"Object must be of type {nameof(Package)}");
+    }
+
+    public override int GetHashCode() => StringComparer.OrdinalIgnoreCase.GetHashCode(Id);
+
+    public virtual bool Equals(Package? other)
+    {
+        if (other is null) return false;
+        return Id.Equals(other.Id, StringComparison.OrdinalIgnoreCase);
+    }
+}
+
+public record PackageReference(string Id, VersionRange Range);

CringePlugins/Splash/ISplashProgress.cs

@@ -0,0 +1,13 @@
+namespace CringePlugins.Splash;
+
+public interface ISplashProgress : IProgress<ProgressInfo>, IProgress<float> 
+{
+    void DefineStage(ILoadingStage stage);
+    void DefineStepsCount(int count);
+}
+
+public interface ILoadingStage
+{
+    string Name { get; }
+    ValueTask Load(ISplashProgress progress);
+}

CringePlugins/Splash/ProgressInfo.cs

@@ -0,0 +1,9 @@
+namespace CringePlugins.Splash;
+
+public record ProgressInfo(string Text)
+{
+    public static implicit operator ProgressInfo(string s) => new(s);
+    public static implicit operator ProgressInfo((string, float) s) => new PercentProgressInfo(s.Item1, s.Item2);
+}
+
+public record PercentProgressInfo(string Text, float Percent = 0) : ProgressInfo(Text);

CringePlugins/Splash/Splash.cs

@@ -0,0 +1,29 @@
+namespace CringePlugins.Splash;
+
+public class Splash : ISplashProgress
+{
+    private readonly List<ILoadingStage> _loadingStages = [];
+    
+    public void Report(ProgressInfo value)
+    {
+    }
+
+    public void Report(float value)
+    {
+    }
+
+    public void DefineStage(ILoadingStage stage) => _loadingStages.Add(stage);
+
+    public void DefineStepsCount(int count)
+    {
+    }
+
+    public void ExecuteLoadingStages()
+    {
+        foreach (var loadingStage in _loadingStages)
+        {
+            // todo sync context
+            loadingStage.Load(this).AsTask().GetAwaiter().GetResult();
+        }
+    }
+}

CringePlugins/packages.lock.json

@@ -1,7 +1,7 @@
 {
   "version": 1,
   "dependencies": {
-    "net8.0": {
+    "net8.0-windows7.0": {
       "dnlib": {
         "type": "Direct",
         "requested": "[4.4.0, )",
@@ -23,22 +23,22 @@
       "SpaceEngineersDedicated.ReferenceAssemblies": {
         "type": "Direct",
         "requested": "[1.*, )",
-        "resolved": "1.204.18",
+        "resolved": "1.205.23",
-        "contentHash": "GT7/9CBMx4jjor41zLOOl87YYM/JdJD8xp9ccXyuhP2oUaz25H3ZmCQuGeAuZNENKru1a/7hZrId4PwlMDGoew==",
+        "contentHash": "J7mF5hY39PzzCZps6vhIRzKiq8vD6Af9TgumTJR068vjEi+BzyeEFhqX+cl2Dd1ngOmsBtGWc5m+vxgTfs5YuA==",
         "dependencies": {
           "SharpDX": "4.2.0-keen-cringe",
           "protobuf-net": "1.0.0"
         }
       },
-      "ImGui.NET.DirectX": {
+      "NuGet.Frameworks": {
         "type": "Transitive",
-        "resolved": "1.91.0.1",
+        "resolved": "6.11.1",
-        "contentHash": "PpW1gQ9g97h6Hm/h/tkSBOmsBYgGwN8wKNmlJomcQFD/zRY1HPkJZz18XRSfRLHPmH2eeh4hhhZv1KHug7dF9g==",
+        "contentHash": "plTZ3ariSWQVsFn2mk83SsdmSg1VpgIMTSZpP/eSE/NNQF02p+M9ItxAYeUZBMX+cQ2nFkSwxQRJ0/fkaV9Hbg=="
-        "dependencies": {
+      },
-          "System.Buffers": "4.5.1",
+      "NuGet.Versioning": {
-          "System.Numerics.Vectors": "4.5.0",
+        "type": "Transitive",
-          "System.Runtime.CompilerServices.Unsafe": "6.0.0"
+        "resolved": "6.11.1",
-        }
+        "contentHash": "YNn3BB71F+guJW42TbAhGcMh3gpyqFMZcPVD9pm5vcvGivTALtRely/VCPWQQ6JQ5PfwIrjPaJMO7VnqyeK3rg=="
       },
       "protobuf-net": {
         "type": "Transitive",
@@ -50,28 +50,21 @@
         "resolved": "4.2.0-keen-cringe",
         "contentHash": "LaJN3h1Gi1FWVdef2I5WtOH9gwzKCBniH0CragarbkN2QheYY6Lqm+91PcOfp1w/4wdVb+k8Kjv3sO393Tphtw=="
       },
-      "System.Buffers": {
-        "type": "Transitive",
-        "resolved": "4.5.1",
-        "contentHash": "Rw7ijyl1qqRS0YQD/WycNst8hUUMgrMH4FCn1nNm27M4VxchZ1js3fVjQaANHO5f3sN4isvP4a+Met9Y4YomAg=="
-      },
-      "System.Numerics.Vectors": {
-        "type": "Transitive",
-        "resolved": "4.5.0",
-        "contentHash": "QQTlPTl06J/iiDbJCiepZ4H//BVraReU4O4EoRw1U02H5TLUIT7xn3GnDp9AXPSlJUDyFs4uWjWafNX6WrAojQ=="
-      },
-      "System.Runtime.CompilerServices.Unsafe": {
-        "type": "Transitive",
-        "resolved": "6.0.0",
-        "contentHash": "/iUeP3tq1S0XdNNoMz5C9twLSrM/TH+qElHkXWaPvuNOt+99G75NrV0OS2EqHx5wMN7popYjpc8oTjC1y16DLg=="
-      },
       "cringebootstrap.abstractions": {
         "type": "Project"
       },
-      "cringerender": {
+      "nuget": {
         "type": "Project",
         "dependencies": {
-          "ImGui.NET.DirectX": "[1.91.0.1, )",
+          "NuGet.Frameworks": "[6.11.1, )",
+          "NuGet.Versioning": "[6.11.1, )"
+        }
+      },
+      "sharedcringe": {
+        "type": "Project",
+        "dependencies": {
+          "CringeBootstrap.Abstractions": "[1.0.0, )",
+          "NLog": "[5.3.4, )",
           "SpaceEngineersDedicated.ReferenceAssemblies": "[1.*, )"
         }
       }

NuGet/Converters/FrameworkJsonConverter.cs

@@ -0,0 +1,45 @@
+using System.Text.Json;
+using System.Text.Json.Serialization;
+using NuGet.Frameworks;
+
+namespace NuGet.Converters;
+
+public class FrameworkJsonConverter(FrameworkNameFormat format) : JsonConverter<NuGetFramework>
+{
+    public override NuGetFramework? Read(ref Utf8JsonReader reader, Type typeToConvert, JsonSerializerOptions options)
+    {
+        if (reader.TokenType != JsonTokenType.String)
+            throw new JsonException("Invalid framework string");
+
+        var s = reader.GetString()!;
+        return format switch
+        {
+            FrameworkNameFormat.ShortFolderName => NuGetFramework.ParseFolder(s),
+            FrameworkNameFormat.FrameworkName => NuGetFramework.ParseFrameworkName(s,
+                DefaultFrameworkNameProvider.Instance),
+            _ => throw new ArgumentOutOfRangeException()
+        };
+    }
+
+    public override void Write(Utf8JsonWriter writer, NuGetFramework value, JsonSerializerOptions options)
+    {
+        writer.WriteStringValue(format switch
+        {
+            FrameworkNameFormat.ShortFolderName => value.GetShortFolderName(),
+            FrameworkNameFormat.FrameworkName => value.DotNetFrameworkName,
+            _ => throw new ArgumentOutOfRangeException()
+        });
+    }
+}
+
+public enum FrameworkNameFormat
+{
+    /// <summary>
+    /// The short folder name format (net8.0)
+    /// </summary>
+    ShortFolderName,
+    /// <summary>
+    /// Full framework name (.NETCoreApp,Version=v8.0)
+    /// </summary>
+    FrameworkName
+}

NuGet/Converters/ManifestPackageKeyJsonConverter.cs

@@ -0,0 +1,27 @@
+using System.Text.Json;
+using System.Text.Json.Serialization;
+using NuGet.Deps;
+
+namespace NuGet.Converters;
+
+public class ManifestPackageKeyJsonConverter : JsonConverter<ManifestPackageKey>
+{
+    public override ManifestPackageKey Read(ref Utf8JsonReader reader, Type typeToConvert, JsonSerializerOptions options)
+    {
+        if (reader.TokenType != JsonTokenType.String)
+            throw new JsonException("Invalid package key string");
+        
+        return ManifestPackageKey.Parse(reader.GetString()!);
+    }
+
+    public override void Write(Utf8JsonWriter writer, ManifestPackageKey value, JsonSerializerOptions options)
+    {
+        writer.WriteStringValue(value.ToString());
+    }
+
+    public override ManifestPackageKey ReadAsPropertyName(ref Utf8JsonReader reader, Type typeToConvert,
+        JsonSerializerOptions options) => Read(ref reader, typeToConvert, options);
+
+    public override void WriteAsPropertyName(Utf8JsonWriter writer, ManifestPackageKey value,
+        JsonSerializerOptions options) => Write(writer, value, options);
+}

NuGet/Converters/ResourceTypeJsonConverter.cs

@@ -0,0 +1,21 @@
+using System.Text.Json;
+using System.Text.Json.Serialization;
+using NuGet.Models;
+
+namespace NuGet.Converters;
+
+public class ResourceTypeJsonConverter : JsonConverter<ResourceType>
+{
+    public override ResourceType Read(ref Utf8JsonReader reader, Type typeToConvert, JsonSerializerOptions options)
+    {
+        if (reader.TokenType != JsonTokenType.String)
+            throw new JsonException("Invalid resource type");
+        
+        return ResourceType.Parse(reader.GetString()!);
+    }
+
+    public override void Write(Utf8JsonWriter writer, ResourceType value, JsonSerializerOptions options)
+    {
+        writer.WriteStringValue(value.ToString());
+    }
+}

NuGet/Converters/VersionJsonConverter.cs

@@ -0,0 +1,21 @@
+using System.Text.Json;
+using System.Text.Json.Serialization;
+using NuGet.Versioning;
+
+namespace NuGet.Converters;
+
+public class VersionJsonConverter : JsonConverter<NuGetVersion>
+{
+    public override NuGetVersion? Read(ref Utf8JsonReader reader, Type typeToConvert, JsonSerializerOptions options)
+    {
+        if (reader.TokenType != JsonTokenType.String)
+            throw new JsonException("Invalid version string");
+        
+        return NuGetVersion.Parse(reader.GetString()!);
+    }
+
+    public override void Write(Utf8JsonWriter writer, NuGetVersion value, JsonSerializerOptions options)
+    {
+        writer.WriteStringValue(value.ToString());
+    }
+}

NuGet/Converters/VersionRangeJsonConverter.cs

@@ -0,0 +1,21 @@
+using System.Text.Json;
+using System.Text.Json.Serialization;
+using NuGet.Versioning;
+
+namespace NuGet.Converters;
+
+public class VersionRangeJsonConverter : JsonConverter<VersionRange>
+{
+    public override VersionRange? Read(ref Utf8JsonReader reader, Type typeToConvert, JsonSerializerOptions options)
+    {
+        if (reader.TokenType != JsonTokenType.String)
+            throw new JsonException("Invalid version range");
+        
+        return VersionRange.Parse(reader.GetString()!);
+    }
+
+    public override void Write(Utf8JsonWriter writer, VersionRange value, JsonSerializerOptions options)
+    {
+        writer.WriteStringValue(value.ToString());
+    }
+}

NuGet/Deps/DependenciesManifest.cs

@@ -0,0 +1,123 @@
+using System.Collections.Immutable;
+using System.Runtime.InteropServices;
+using System.Text.Json;
+using System.Text.Json.Serialization;
+using NuGet.Converters;
+using NuGet.Frameworks;
+using NuGet.Models;
+using NuGet.Versioning;
+
+namespace NuGet.Deps;
+
+public record DependenciesManifest(RuntimeTarget RuntimeTarget, 
+    ImmutableDictionary<NuGetFramework, string> CompilationOptions,
+    ImmutableDictionary<NuGetFramework, ImmutableDictionary<ManifestPackageKey, DependencyTarget>> Targets,
+    ImmutableDictionary<ManifestPackageKey, DependencyLibrary> Libraries);
+
+public record DependencyLibrary(
+    LibraryType Type,
+    string Sha512 = "",
+    bool Serviceable = false,
+    ManifestPackageKey? Path = null,
+    string? HashPath = null);
+
+[JsonConverter(typeof(JsonStringEnumConverter<LibraryType>))]
+public enum LibraryType
+{
+    Project,
+    Package
+}
+
+public record DependencyTarget(ImmutableDictionary<string, NuGetVersion>? Dependencies,
+    // key is file path relative to package root
+    ImmutableDictionary<string, RuntimeDependency>? Runtime,
+    // key is file path relative to package root
+    ImmutableDictionary<string, Dependency>? Native);
+
+public record Dependency(Version? FileVersion = null);
+
+public record RuntimeDependency(Version? AssemblyVersion = null, Version? FileVersion = null) : Dependency(FileVersion);
+
+public record RuntimeTarget([property: JsonPropertyName("name")] NuGetFramework Framework, string Signature = "");
+
+[JsonConverter(typeof(ManifestPackageKeyJsonConverter))]
+public record ManifestPackageKey(string Id, NuGetVersion Version)
+{
+    public static ManifestPackageKey Parse(string str)
+    {
+        var index = str.IndexOf('/');
+        if (index < 0)
+            throw new FormatException("Invalid package key: " + str);
+        
+        return new ManifestPackageKey(str[..index], NuGetVersion.Parse(str[(index + 1)..]));
+    }
+    
+    public override string ToString() => $"{Id}/{Version}";
+}
+
+public static class DependencyManifestUtility
+{
+    private static readonly JsonSerializerOptions SerializerOptions = new(JsonSerializerDefaults.Web)
+    {
+        DefaultIgnoreCondition = JsonIgnoreCondition.WhenWritingNull,
+        WriteIndented = true,
+        Converters =
+        {
+            new FrameworkJsonConverter(FrameworkNameFormat.FrameworkName),
+            new VersionJsonConverter()
+        }
+    };
+
+    public static async ValueTask WriteDependencyManifestAsync(Stream stream, CatalogEntry catalogEntry, NuGetFramework targetFramework,
+        PackageSourceMapping packageSources, Func<Models.Dependency, NuGetVersion> versionResolver)
+    {
+        var runtimeTarget = new RuntimeTarget(targetFramework);
+
+        var targets = ImmutableDictionary<ManifestPackageKey, DependencyTarget>.Empty.ToBuilder();
+
+        await MapCatalogEntry(catalogEntry, targetFramework, packageSources, versionResolver, targets);
+        
+        var manifest = new DependenciesManifest(runtimeTarget, ImmutableDictionary<NuGetFramework, string>.Empty,
+            ImmutableDictionary<NuGetFramework, ImmutableDictionary<ManifestPackageKey, DependencyTarget>>.Empty
+                .Add(targetFramework, targets.ToImmutable()), 
+            ImmutableDictionary<ManifestPackageKey, DependencyLibrary>.Empty);
+        
+        await JsonSerializer.SerializeAsync(stream, manifest, SerializerOptions);
+    }
+
+    private static async Task MapCatalogEntry(CatalogEntry catalogEntry, NuGetFramework targetFramework,
+        PackageSourceMapping packageSources, Func<Models.Dependency, NuGetVersion> versionResolver, ImmutableDictionary<ManifestPackageKey, DependencyTarget>.Builder targets)
+    {
+        if (targets.ContainsKey(new(catalogEntry.Id, catalogEntry.Version)))
+            return;
+        
+        var nearest = NuGetFrameworkUtility.GetNearest(catalogEntry.DependencyGroups, targetFramework,
+            group => group.TargetFramework);
+
+        if (nearest is null)
+            return;
+        
+        targets.Add(new(catalogEntry.Id, catalogEntry.Version),
+            MapEntry(catalogEntry, nearest, targetFramework, versionResolver));
+
+        foreach (var dependency in nearest.Dependencies)
+        {
+            var client = await packageSources.GetClientAsync(dependency.Id);
+            var (url, entry) = await client.GetPackageRegistrationAsync(dependency.Id, versionResolver(dependency));
+
+            entry ??= await client.GetPackageCatalogEntryAsync(url);
+
+            await MapCatalogEntry(entry, targetFramework, packageSources, versionResolver, targets);
+        }
+    }
+
+    private static DependencyTarget MapEntry(CatalogEntry entry, DependencyGroup group, NuGetFramework targetFramework, Func<Models.Dependency, NuGetVersion> versionResolver)
+    {
+        return new(group.Dependencies.ToImmutableDictionary(b => b.Id, versionResolver),
+            entry.PackageEntries.Where(b => b.FullName.StartsWith($"lib/{targetFramework.GetShortFolderName()}/"))
+                .ToImmutableDictionary(b => b.FullName, _ => new RuntimeDependency()),
+            entry.PackageEntries.Where(b =>
+                    b.FullName.StartsWith($"runtimes/{RuntimeInformation.RuntimeIdentifier}/native/"))
+                .ToImmutableDictionary(b => b.FullName, _ => new Dependency()));
+    }
+}

NuGet/Models/CatalogEntry.cs

@@ -0,0 +1,9 @@
+using NuGet.Versioning;
+
+namespace NuGet.Models;
+
+public record CatalogEntry(string Id, NuGetVersion Version, DependencyGroup[] DependencyGroups, PackageType[]? PackageTypes,
+    CatalogPackageEntry[] PackageEntries,
+    bool Serviceable = true);
+    
+public record CatalogPackageEntry(string Name, string FullName, long CompressedLength, long Length);

NuGet/Models/Dependency.cs

@@ -0,0 +1,5 @@
+using NuGet.Versioning;
+
+namespace NuGet.Models;
+
+public record Dependency(string Id, VersionRange Range);

NuGet/Models/DependencyGroup.cs

@@ -0,0 +1,5 @@
+using NuGet.Frameworks;
+
+namespace NuGet.Models;
+
+public record DependencyGroup(NuGetFramework TargetFramework, Dependency[] Dependencies);

NuGet/Models/NuGetIndex.cs

@@ -0,0 +1,5 @@
+using NuGet.Versioning;
+
+namespace NuGet.Models;
+
+public record NuGetIndex(NuGetVersion Version, Resource[] Resources);

NuGet/Models/PackageType.cs

@@ -0,0 +1,3 @@
+namespace NuGet.Models;
+
+public record PackageType(string Name);

NuGet/Models/Registration.cs

@@ -0,0 +1,6 @@
+using System.Text.Json.Serialization;
+
+namespace NuGet.Models;
+
+public record Registration([property: JsonPropertyName("catalogEntry")] string CatalogEntryUrl, 
+    [property: JsonPropertyName("sleet:catalogEntry")] CatalogEntry? SleetEntry);

NuGet/Models/RegistrationEntry.cs

@@ -0,0 +1,3 @@
+namespace NuGet.Models;
+
+public record RegistrationEntry(CatalogEntry CatalogEntry);

NuGet/Models/RegistrationPage.cs

@@ -0,0 +1,5 @@
+using NuGet.Versioning;
+
+namespace NuGet.Models;
+
+public record RegistrationPage(int Count, NuGetVersion Lower, NuGetVersion Upper, RegistrationEntry[] Items);

NuGet/Models/RegistrationRoot.cs

@@ -0,0 +1,3 @@
+namespace NuGet.Models;
+
+public record RegistrationRoot(int Count, RegistrationPage[] Items);

NuGet/Models/Resource.cs

@@ -0,0 +1,5 @@
+using System.Text.Json.Serialization;
+
+namespace NuGet.Models;
+
+public record Resource([property: JsonPropertyName("@id")] string Url, [property: JsonPropertyName("@type")] ResourceType Type, string? Comment);

NuGet/Models/ResourceType.cs

@@ -0,0 +1,26 @@
+using System.Text.Json.Serialization;
+using NuGet.Converters;
+using NuGet.Versioning;
+
+namespace NuGet.Models;
+
+[JsonConverter(typeof(ResourceTypeJsonConverter))]
+public record ResourceType(string Id, NuGetVersion? Version)
+{
+    public static ResourceType Parse(string typeString)
+    {
+        var slash = typeString.IndexOf('/');
+        
+        if (slash < 0)
+            return new ResourceType(typeString, null);
+        
+        var id = typeString[..slash];
+        var versionStr = typeString[(slash + 1)..];
+
+        return NuGetVersion.TryParse(versionStr, out var version)
+            ? new ResourceType(id, version)
+            : new ResourceType(id, null);
+    }
+
+    public override string ToString() => $"{Id}/{Version}";
+}

NuGet/NuGet.csproj

@@ -0,0 +1,14 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+    <PropertyGroup>
+        <TargetFramework>net8.0</TargetFramework>
+        <ImplicitUsings>enable</ImplicitUsings>
+        <Nullable>enable</Nullable>
+    </PropertyGroup>
+
+    <ItemGroup>
+      <PackageReference Include="NuGet.Frameworks" Version="6.11.1" />
+      <PackageReference Include="NuGet.Versioning" Version="6.11.1" />
+    </ItemGroup>
+
+</Project>

NuGet/NuGetClient.cs

@@ -0,0 +1,73 @@
+using System.Net.Http.Json;
+using System.Text.Json;
+using NuGet.Converters;
+using NuGet.Models;
+using NuGet.Versioning;
+
+namespace NuGet;
+
+public class NuGetClient
+{
+    private readonly HttpClient _client;
+    private readonly Uri _packageBaseAddress;
+    private readonly Uri _registration;
+
+    public static JsonSerializerOptions SerializerOptions { get; }  = new(JsonSerializerDefaults.Web)
+    {
+        Converters =
+        {
+            new VersionJsonConverter(),
+            new VersionRangeJsonConverter(),
+            new FrameworkJsonConverter(FrameworkNameFormat.ShortFolderName),
+        },
+        WriteIndented = true
+    };
+
+    private NuGetClient(HttpClient client, Uri packageBaseAddress, Uri registration)
+    {
+        _client = client;
+        _packageBaseAddress = packageBaseAddress;
+        _registration = registration;
+    }
+
+    public Task<Stream> GetPackageContentStreamAsync(string id, NuGetVersion version)
+    {
+        return _client.GetStreamAsync(new Uri(_packageBaseAddress,
+            new Uri($"{id.ToLower()}/{version}.nupkg", UriKind.Relative)));
+    }
+
+    public Task<Registration> GetPackageRegistrationAsync(string id, NuGetVersion version)
+    {
+        return _client.GetFromJsonAsync<Registration>(
+            new Uri(_registration,
+                new Uri($"{id.ToLower()}/{version}.json", UriKind.Relative)),
+            SerializerOptions
+        )!;
+    }
+
+    public Task<RegistrationRoot> GetPackageRegistrationRootAsync(string id)
+    {
+        return _client.GetFromJsonAsync<RegistrationRoot>(
+            new Uri(_registration,
+                new Uri($"{id.ToLower()}/index.json", UriKind.Relative)),
+            SerializerOptions
+        )!;
+    }
+
+    public Task<CatalogEntry> GetPackageCatalogEntryAsync(string url)
+    {
+        return _client.GetFromJsonAsync<CatalogEntry>(url, SerializerOptions)!;
+    }
+
+    public static async Task<NuGetClient> CreateFromIndexUrlAsync(string indexUrl)
+    {
+        var client = new HttpClient();
+
+        var index = await client.GetFromJsonAsync<NuGetIndex>(indexUrl, SerializerOptions);
+        
+        var (packageBaseAddress, _, _) = index!.Resources.First(b => b.Type.Id == "PackageBaseAddress");
+        var (registration, _, _) = index!.Resources.First(b => b.Type.Id == "RegistrationsBaseUrl");
+        
+        return new NuGetClient(client, new Uri(packageBaseAddress), new Uri(registration));
+    }
+}

NuGet/PackageSourceMapping.cs

@@ -0,0 +1,16 @@
+using System.Collections.Immutable;
+
+namespace NuGet;
+
+public class PackageSourceMapping(ImmutableArray<PackageSource> sources)
+{
+    private readonly ImmutableDictionary<string, Task<NuGetClient>> _clients = sources.Select(b =>
+            new KeyValuePair<string, Task<NuGetClient>>(b.Pattern,
+                NuGetClient.CreateFromIndexUrlAsync(b.Url)))
+        .ToImmutableDictionary();
+
+    public Task<NuGetClient> GetClientAsync(string packageId) =>
+        _clients.FirstOrDefault(b => packageId.StartsWith(b.Key)).Value;
+}
+
+public record PackageSource(string Pattern, string Url);

SharedCringe/Loader/DerivedAssemblyLoadContext.cs

@@ -0,0 +1,14 @@
+using System.Reflection;
+using System.Runtime.Loader;
+using CringeBootstrap.Abstractions;
+
+namespace SharedCringe.Loader;
+
+public abstract class DerivedAssemblyLoadContext(ICoreLoadContext parentContext, string name)
+    : AssemblyLoadContext(name, true)
+{
+    protected readonly ICoreLoadContext ParentContext = parentContext;
+    
+    protected override Assembly? Load(AssemblyName assemblyName) => ParentContext.ResolveFromAssemblyName(assemblyName);
+    protected override nint LoadUnmanagedDll(string unmanagedDllName) => ParentContext.ResolveUnmanagedDll(unmanagedDllName);
+}

SharedCringe/SharedCringe.csproj

@@ -0,0 +1,19 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+    <PropertyGroup>
+        <TargetFramework>net8.0</TargetFramework>
+        <ImplicitUsings>enable</ImplicitUsings>
+        <Nullable>enable</Nullable>
+        <RestorePackagesWithLockFile>true</RestorePackagesWithLockFile>
+    </PropertyGroup>
+    
+    <ItemGroup>
+        <PackageReference Include="NLog" Version="5.3.4" />
+        <PackageReference Include="SpaceEngineersDedicated.ReferenceAssemblies" Version="1.*" ExcludeAssets="runtime" />
+    </ItemGroup>
+    
+    <ItemGroup>
+      <ProjectReference Include="..\CringeBootstrap.Abstractions\CringeBootstrap.Abstractions.csproj" />
+    </ItemGroup>
+
+</Project>

SharedCringe/packages.lock.json

@@ -0,0 +1,36 @@
+{
+  "version": 1,
+  "dependencies": {
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