Test with generated hooks

to be used with the generated assemblies from the user code.

.gitmodules

@@ -16,6 +16,3 @@
 [submodule "Nerfed.Runtime/Libraries/ImGui.NET"]
 	path = Nerfed.Runtime/Libraries/ImGui.NET
 	url = https://github.com/ImGuiNET/ImGui.NET.git
-[submodule "Nerfed.Runtime/Libraries/MoonTools.ECS"]
-	path = Nerfed.Runtime/Libraries/MoonTools.ECS
-	url = https://github.com/MoonsideGames/MoonTools.ECS.git

.idea/.idea.Nerfed/.idea/vcs.xml

@@ -4,7 +4,6 @@
     <mapping directory="" vcs="Git" />
     <mapping directory="$PROJECT_DIR$/Nerfed.Runtime/Libraries/FAudio" vcs="Git" />
     <mapping directory="$PROJECT_DIR$/Nerfed.Runtime/Libraries/ImGui.NET" vcs="Git" />
-    <mapping directory="$PROJECT_DIR$/Nerfed.Runtime/Libraries/MoonTools.ECS" vcs="Git" />
     <mapping directory="$PROJECT_DIR$/Nerfed.Runtime/Libraries/RefreshCS" vcs="Git" />
     <mapping directory="$PROJECT_DIR$/Nerfed.Runtime/Libraries/SDL2CS" vcs="Git" />
     <mapping directory="$PROJECT_DIR$/Nerfed.Runtime/Libraries/WellspringCS" vcs="Git" />

Nerfed.Compiler/AssemblyDefinition.cs

@@ -0,0 +1,64 @@
+using System.Text.Json;
+using System.Text.Json.Serialization;
+
+namespace Nerfed.Compiler;
+
+public class AssemblyDefinition
+{
+    public string Name { get; set; }
+    public string Guid { get; set; }
+    //public bool IsEditor { get; set; }
+    // Add platform stuff here..?
+    // Add dll's here..?
+    // Add dependencies here..?
+
+    public static bool Create(string assemblyDefinitionFilePath, string name, out AssemblyDefinition assemblyDefinition)
+    {
+        assemblyDefinition = null;
+
+        if (File.Exists(assemblyDefinitionFilePath))
+        {
+            Console.WriteLine($"ERROR: File already exists!");
+            return false;
+        }
+
+        // Create project file.
+        assemblyDefinition = new AssemblyDefinition
+        {
+            Name = name,
+            Guid = System.Guid.NewGuid().ToString("B").ToUpper(),
+        };
+
+        Save(assemblyDefinition, assemblyDefinitionFilePath);
+
+        return true;
+    }
+
+    public static bool Save(AssemblyDefinition assemblyDefinition, string assemblyDefinitionFilePath)
+    {
+        string jsonString = JsonSerializer.Serialize(assemblyDefinition, AssemblyDefinitionContext.Default.AssemblyDefinition);
+
+        File.WriteAllText(assemblyDefinitionFilePath, jsonString);
+
+        return true;
+    }
+
+    public static bool Open(string assemblyDefinitionFilePath, out AssemblyDefinition assemblyDefinition)
+    {
+        string jsonString = File.ReadAllText(assemblyDefinitionFilePath);
+        assemblyDefinition = JsonSerializer.Deserialize(jsonString, AssemblyDefinitionContext.Default.AssemblyDefinition);
+
+        if (assemblyDefinition == null)
+        {
+            Console.WriteLine($"ERROR: Could not open {typeof(AssemblyDefinition)}.");
+            return false;
+        }
+
+        return true;
+    }
+}
+
+[JsonSerializable(typeof(AssemblyDefinition))]
+public partial class AssemblyDefinitionContext : JsonSerializerContext
+{
+}

Nerfed.Compiler/Compiler.cs

@@ -0,0 +1,82 @@
+using System.Diagnostics;
+using System.Runtime.InteropServices;
+
+namespace Nerfed.Compiler;
+
+public static class Compiler
+{
+    public static bool Compile(string projectFilePath, string configuration = "Debug")
+    {
+        string projectDirectory = Path.GetDirectoryName(projectFilePath);
+
+        if (!File.Exists(projectFilePath))
+        {
+            Console.WriteLine($"ERROR: Project file not found at {projectDirectory}.");
+            return false;
+        }
+
+        if (!Project.Open(projectFilePath, out Project project))
+        {
+            return false;
+        }
+
+        // TODO: Check project version, to make sure we can compile it or something...
+
+        // Generate solution.
+        Generator.GenerateSolution(projectDirectory, project, out string solutionFilePath);
+
+        // Compile solution.
+        ProcessStartInfo processInfo = new()
+        {
+            WorkingDirectory = Path.GetDirectoryName(solutionFilePath),
+            CreateNoWindow = true,
+            UseShellExecute = false,
+            RedirectStandardError = true,
+            RedirectStandardOutput = true,
+        };
+
+        if (RuntimeInformation.IsOSPlatform(OSPlatform.Linux))
+        {
+            processInfo.FileName = "/bin/bash";
+            processInfo.Arguments = $"-c \"dotnet build '{Path.GetFileName(solutionFilePath)}'\"" + (string.IsNullOrWhiteSpace(configuration) ? $" --configuration {configuration}" : "");
+        }
+        else if (RuntimeInformation.IsOSPlatform(OSPlatform.Windows))
+        {
+            processInfo.FileName = "cmd.exe";
+            processInfo.Arguments = $"/c dotnet build \"{Path.GetFileName(solutionFilePath)}\"" + (string.IsNullOrWhiteSpace(configuration) ? $" --configuration {configuration}" : "");
+        }
+        else
+        {
+            Console.WriteLine($"ERROR: Platform not supported!");
+            return false;
+        }
+
+        Process process = Process.Start(processInfo) ?? throw new Exception();
+        process.OutputDataReceived += (sender, dataArgs) => {
+            string data = dataArgs.Data;
+
+            if (data is null)
+            {
+                return;
+            }
+
+            Console.WriteLine(data);
+        };
+
+        process.BeginOutputReadLine();
+        process.BeginErrorReadLine();
+        process.ErrorDataReceived += (sender, dataArgs) => {
+            if (dataArgs.Data is not null)
+            {
+                Console.WriteLine(dataArgs.Data);
+            }
+        };
+
+        process.WaitForExit();
+
+        int exitCode = process.ExitCode;
+        process.Close();
+
+        return true;
+    }
+}

Nerfed.Compiler/Generator.cs

@@ -0,0 +1,161 @@
+using System.Reflection;
+using System.Text;
+using System.Text.Json;
+
+namespace Nerfed.Compiler;
+
+public static class Generator
+{
+    public const string AssemblyDefinitionExtensionName = ".asmdef";
+    public const string CSProjectExtensionName = ".csproj";
+    public const string SolutionExtensionName = ".sln";
+
+    public static void GenerateSolution(string projectDirectory, Project project, out string solutionFilePath)
+    {
+        // Clear files.
+        ClearCSProjectFiles(projectDirectory);
+
+        // Generate projects.
+        string[] assemblyDefinitionFilePaths = Directory.GetFiles(projectDirectory, AssemblyDefinitionExtensionName, SearchOption.AllDirectories);
+        foreach (string assemblyDefinitionFilePath in assemblyDefinitionFilePaths)
+        {
+            GenerateCSProject(assemblyDefinitionFilePath, projectDirectory, out string csProjectFilePath);
+        }
+
+        // Generate solution.
+        string[] csProjectPaths = Directory.GetFiles(projectDirectory, $"*{CSProjectExtensionName}", SearchOption.TopDirectoryOnly);
+        string[] csProjectGuids = new string[csProjectPaths.Length];
+        for (int i = 0; i < csProjectPaths.Length; i++)
+        {
+            csProjectGuids[i] = Guid.NewGuid().ToString("B").ToUpper();
+        }
+
+        StringBuilder content = new StringBuilder();
+
+        // Write the solution file header
+        content.AppendLine("Microsoft Visual Studio Solution File, Format Version 12.00");
+        content.AppendLine("# Visual Studio Version 17");
+        content.AppendLine("VisualStudioVersion = 17.10.35013.160");
+        content.AppendLine("MinimumVisualStudioVersion = 10.0.40219.1");
+
+        // Add each project to the solution file
+        for (int i = 0; i < csProjectPaths.Length; i++)
+        {
+            string csProjectPath = csProjectPaths[i];
+            string csProjectGuid = csProjectGuids[i];
+            string csProjectName = Path.GetFileNameWithoutExtension(csProjectPath);
+            string csProjectRelativePath = Path.GetRelativePath(projectDirectory, csProjectPath);
+            // FAE04EC0-301F-11D3-BF4B-00C04F79EFBC for C# projects.
+            content.AppendLine($"Project(\"{{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}}\") = \"{csProjectName}\", \"{csProjectRelativePath}\", \"{csProjectGuid}\"");
+            content.AppendLine("EndProject");
+        }
+
+        // Add global sections (these can be extended as needed)
+        content.AppendLine("Global");
+        content.AppendLine("	GlobalSection(SolutionConfigurationPlatforms) = preSolution");
+        content.AppendLine("		Test|x64 = Test|x64");
+        content.AppendLine("		Release|x64 = Release|x64");
+        content.AppendLine("		Debug|x64 = Debug|x64");
+        content.AppendLine("	EndGlobalSection");
+        content.AppendLine("	GlobalSection(ProjectConfigurationPlatforms) = postSolution");
+
+        for (int i = 0; i < csProjectPaths.Length; i++)
+        {
+            string projectGuid = csProjectGuids[i];
+            content.AppendLine($"		{projectGuid}.Test|x64.ActiveCfg = Test|x64");
+            content.AppendLine($"		{projectGuid}.Test|x64.Build.0 = Test|x64");
+            content.AppendLine($"		{projectGuid}.Release|x64.ActiveCfg = Release|x64");
+            content.AppendLine($"		{projectGuid}.Release|x64.Build.0 = Release|x64");
+            content.AppendLine($"		{projectGuid}.Debug|x64.ActiveCfg = Debug|x64");
+            content.AppendLine($"		{projectGuid}.Debug|x64.Build.0 = Debug|x64");
+        }
+
+        content.AppendLine("	EndGlobalSection");
+        content.AppendLine("	GlobalSection(SolutionProperties) = preSolution");
+        content.AppendLine("		HideSolutionNode = FALSE");
+        content.AppendLine("	EndGlobalSection");
+        content.AppendLine("EndGlobal");
+
+        // Write the solution file content to disk
+        string solutionName = project.Name + SolutionExtensionName;
+        solutionFilePath = Path.Combine(projectDirectory, solutionName);
+        File.WriteAllText(solutionFilePath, content.ToString());
+    }
+
+    private static bool GenerateCSProject(string assemblyDefinitionFilePath, string projectPath, out string csProjectFilePath)
+    {
+        if (!File.Exists(assemblyDefinitionFilePath))
+        {
+            csProjectFilePath = string.Empty;
+            return false;
+        }
+
+        string jsonString = File.ReadAllText(assemblyDefinitionFilePath);
+        AssemblyDefinition assemblyDefinition = JsonSerializer.Deserialize(jsonString, AssemblyDefinitionContext.Default.AssemblyDefinition);
+
+        Assembly[] loadedAssemblies = AppDomain.CurrentDomain.GetAssemblies();
+        Assembly runtimeAssembly = loadedAssemblies.FirstOrDefault(assembly => assembly.GetName().Name == "Nerfed.Runtime") ?? throw new Exception("Failed to find Runtime Assembly!");
+
+        // TODO: get all dependencies.
+        // TODO: properly get assemblies.
+
+        StringBuilder content = new StringBuilder();
+
+        content.AppendLine("<Project Sdk=\"Microsoft.NET.Sdk\">");
+
+        content.AppendLine(" <PropertyGroup>");
+        content.AppendLine("     <TargetFramework>net8.0</TargetFramework>");
+        content.AppendLine("     <ImplicitUsings>enable</ImplicitUsings>");
+        content.AppendLine("     <Nullable>disable</Nullable>");
+        content.AppendLine("     <PublishAot>true</PublishAot>");
+        content.AppendLine("     <InvariantGlobalization>true</InvariantGlobalization>");
+        content.AppendLine("     <AllowUnsafeBlocks>true</AllowUnsafeBlocks>");
+        content.AppendLine("     <AppendTargetFrameworkToOutputPath>false</AppendTargetFrameworkToOutputPath>");
+        content.AppendLine("     <IsPackable>false</IsPackable>");
+        content.AppendLine("     <Configurations>Debug;Test;Release</Configurations>");
+        content.AppendLine("     <Platforms>x64</Platforms>");
+        content.AppendLine(" </PropertyGroup>");
+
+        content.AppendLine(" <PropertyGroup Condition=\" '$(Configuration)|$(Platform)' == 'Debug|x64' \">");
+        content.AppendLine("     <DefineConstants>TRACE;LOG_INFO;PROFILING</DefineConstants>");
+        content.AppendLine(" </PropertyGroup>");
+
+        content.AppendLine(" <PropertyGroup Condition=\" '$(Configuration)|$(Platform)' == 'Test|x64' \">");
+        content.AppendLine("     <DefineConstants>TRACE;LOG_ERROR;PROFILING</DefineConstants>");
+        content.AppendLine("     <Optimize>true</Optimize>");
+        content.AppendLine(" </PropertyGroup>");
+
+        content.AppendLine(" <PropertyGroup Condition=\" '$(Configuration)|$(Platform)' == 'Release|x64' \">");
+        content.AppendLine("     <DefineConstants>TRACE;LOG_ERROR</DefineConstants>");
+        content.AppendLine("     <Optimize>true</Optimize>");
+        content.AppendLine(" </PropertyGroup>");
+
+        content.AppendLine(" <ItemGroup>");
+        content.AppendLine($"     <Compile Include=\"{assemblyDefinitionFilePath}/**/*.cs\"/>");
+        content.AppendLine(" </ItemGroup>");
+
+        content.AppendLine(" <ItemGroup>");
+        content.AppendLine("     <Reference Include=\"Nerfed.Runtime\">");
+        content.AppendLine($"         <HintPath>{runtimeAssembly.Location}</HintPath>");
+        content.AppendLine("         <Private>false</Private>");
+        content.AppendLine("     </Reference>");
+        content.AppendLine(" </ItemGroup>");
+
+        content.AppendLine("</Project>");
+
+        string csProjectName = assemblyDefinition.Name + CSProjectExtensionName;
+        csProjectFilePath = Path.Combine(projectPath, csProjectName);
+        File.WriteAllText(csProjectFilePath, content.ToString());
+
+        return true;
+    }
+
+    private static void ClearCSProjectFiles(string projectPath)
+    {
+        string[] csProjectFiles = Directory.GetFiles(projectPath, $"*{CSProjectExtensionName}", SearchOption.TopDirectoryOnly);
+        foreach (string csProjectFile in csProjectFiles)
+        {
+            File.Delete(csProjectFile);
+        }
+    }
+}

Nerfed.Compiler/Nerfed.Compiler.csproj

@@ -0,0 +1,26 @@
+<Project Sdk="Microsoft.NET.Sdk">
+	
+	<PropertyGroup>
+		<OutputType>Exe</OutputType>
+		<TargetFramework>net8.0</TargetFramework>
+		<ImplicitUsings>enable</ImplicitUsings>
+		<Nullable>disable</Nullable>
+		<AppendTargetFrameworkToOutputPath>false</AppendTargetFrameworkToOutputPath>
+		<IsPackable>false</IsPackable>
+		<Configurations>Debug;Test;Release</Configurations>
+		<Platforms>x64</Platforms>
+	</PropertyGroup>
+
+	<PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|x64' ">
+		<Optimize>false</Optimize>
+	</PropertyGroup>
+
+	<PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Test|x64' ">
+		<Optimize>true</Optimize>
+	</PropertyGroup>
+
+	<PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|x64' ">
+		<Optimize>true</Optimize>
+	</PropertyGroup>
+	
+</Project>

Nerfed.Compiler/Program.cs

@@ -0,0 +1,15 @@
+namespace Nerfed.Compiler;
+
+public class Program
+{
+    internal static void Main(string[] args)
+    {
+        if (args.Length != 2)
+        {
+            Console.WriteLine("projectFilePath, configuration (Debug, Test, Release)");
+            return;
+        }
+
+        Compiler.Compile(args[0], args[1]);
+    }
+}

Nerfed.Compiler/Project.cs

@@ -0,0 +1,50 @@
+using System.Text.Json;
+using System.Text.Json.Serialization;
+
+namespace Nerfed.Compiler;
+
+public class Project
+{
+    public string Name { get; set; }
+
+    public static bool Create(string path, string name, out Project project)
+    {
+        // Create project file.
+        project = new Project
+        {
+            Name = name,
+        };
+
+        Save(project, path);
+
+        return true;
+    }
+
+    public static bool Save(Project project, string projectFilePath)
+    {
+        string jsonString = JsonSerializer.Serialize(project, ProjectContext.Default.Project);
+
+        File.WriteAllText(projectFilePath, jsonString);
+
+        return true;
+    }
+
+    public static bool Open(string path, out Project project)
+    {
+        string jsonString = File.ReadAllText(path);
+        project = JsonSerializer.Deserialize(jsonString, ProjectContext.Default.Project);
+
+        if (project == null)
+        {
+            Console.WriteLine($"ERROR: Could not open {typeof(Project)}.");
+            return false;
+        }
+
+        return true;
+    }
+}
+
+[JsonSerializable(typeof(Project))]
+public partial class ProjectContext : JsonSerializerContext
+{
+}

Nerfed.Editor/Components/HierachyComponents.cs

@@ -1,4 +0,0 @@
-namespace Nerfed.Editor.Components;
-
-public readonly record struct SelectedInHierachy;
-public readonly record struct ClickedInHierachy;

Nerfed.Editor/Editor/EditorGui.cs

@@ -1,4 +1,5 @@
 using ImGuiNET;
+using Nerfed.Editor.Project;
 using Nerfed.Runtime;
 using Nerfed.Runtime.Graphics;
 using Nerfed.Runtime.Gui;
@@ -56,6 +57,7 @@ private static void UpdateMainMenu()
                     }
                     ImGui.EndMenu();
                 }
+
                 ImGui.EndMainMenuBar();
             }
         }
@@ -67,11 +69,7 @@ private static void HandleOnGui()
 
             ImGui.ShowDemoWindow();
 
-            foreach (MoonTools.ECS.System system in Program.editorSystems)
-            {
-                using ProfilerScope scope = new(system.GetType().Name);
-                system.Update(Engine.Timestep);
-            }
+            EditorProjectGui.OnGui();
         }
     }
 }

Nerfed.Editor/Nerfed.Editor.csproj

@@ -9,7 +9,6 @@
         <IsPackable>false</IsPackable>
         <Configurations>Debug;Test;Release</Configurations>
         <Platforms>x64</Platforms>
-        <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
     </PropertyGroup>
 
     <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|x64' ">
@@ -24,6 +23,7 @@
     </PropertyGroup>
     
     <ItemGroup>
+        <ProjectReference Include="..\Nerfed.Compiler\Nerfed.Compiler.csproj" />
         <ProjectReference Include="..\Nerfed.Runtime\Nerfed.Runtime.csproj" />
     </ItemGroup>
 

Nerfed.Editor/Program.cs

@@ -1,19 +1,9 @@
-using MoonTools.ECS;
-using Nerfed.Editor.Systems;
-using Nerfed.Runtime;
-using Nerfed.Runtime.Components;
-using Nerfed.Runtime.Systems;
-using Nerfed.Runtime.Util;
-using System.Numerics;
+using Nerfed.Runtime;
 
 namespace Nerfed.Editor;
 
 internal class Program
 {
-    private static readonly World world = new World();
-    private static List<MoonTools.ECS.System> systems = new List<MoonTools.ECS.System>();
-    public static List<MoonTools.ECS.System> editorSystems = new List<MoonTools.ECS.System>();
-
     private static void Main(string[] args)
     {
         Engine.OnInitialize += HandleOnInitialize;
@@ -26,45 +16,6 @@ private static void Main(string[] args)
 
     private static void HandleOnInitialize()
     {
-        //systems.Add(new ParentSystem(world));
-        systems.Add(new LocalToWorldSystem(world));
-        editorSystems.Add(new EditorProfilerWindow(world));
-        editorSystems.Add(new EditorHierarchyWindow(world));
-#if DEBUG
-        editorSystems.Add(new EditorInspectorWindow(world));
-#endif
-
-        Entity ent1 = world.CreateEntity("parent");
-        world.Set(ent1, new Root());
-        world.Set(ent1, new LocalTransform(new Vector3(1, 0, 0), Quaternion.Identity, Vector3.One));
-
-        Entity ent2 = world.CreateEntity("child");
-        world.Set(ent2, new LocalTransform(new Vector3(0, 1, 0), Quaternion.Identity, Vector3.One));
-        Transform.SetParent(world, ent2, ent1);
-
-        Entity ent3 = world.CreateEntity("entity3");
-        world.Set(ent3, new Root());
-        Transform.SetParent(world, ent3, ent2);
-
-        Entity ent4 = world.CreateEntity("entity4");
-        world.Set(ent4, new Root());
-
-        Entity ent5 = world.CreateBaseEntity("entity5");
-
-        for (int i = 0; i < 256; i++)
-        {
-            Entity newEnt = world.CreateBaseEntity();
-            world.Set(newEnt, new LocalTransform(new Vector3(i, i, i), Quaternion.Identity, Vector3.One));
-
-            Entity parent = newEnt;
-            for (int j = 0; j < 2; j++) {
-                Entity newChildEnt = world.CreateEntity();
-                world.Set(newChildEnt, new LocalTransform(new Vector3(i + j * i, i - j * i, j - i * i), Quaternion.Identity, Vector3.One));
-                Transform.SetParent(world, newChildEnt, parent);
-                parent = newChildEnt;
-            }
-        }
-
         // Open project.
         // Setip EditorGui.
         EditorGui.Initialize();
@@ -72,32 +23,16 @@ private static void HandleOnInitialize()
 
     private static void HandleOnUpdate()
     {
-        foreach (MoonTools.ECS.System system in systems)
-        {
-            using ProfilerScope scope = new(system.GetType().Name);
-            system.Update(Engine.Timestep);
-        }
+        // Editor Update.
+        EditorGui.Update();
 
-        using (new ProfilerScope("EditorGui.Update"))
-        {
-            // Editor Update.
-            EditorGui.Update();
-        }
 
         // Try Catch UserCode Update.
-
-        using (new ProfilerScope("world.FinishUpdate"))
-        {
-            world.FinishUpdate();
-        }
     }
 
     private static void HandleOnRender()
     {
-        using (new ProfilerScope("EditorGui.Render"))
-        {
-            EditorGui.Render();
-        }
+        EditorGui.Render();
     }
 
     private static void HandleOnQuit()

Nerfed.Editor/Project/EditorAssemblyLoadContext.cs

@@ -0,0 +1,8 @@
+using System.Runtime.Loader;
+
+namespace Nerfed.Editor.Project;
+
+internal class EditorAssemblyLoadContext : AssemblyLoadContext
+{
+    public EditorAssemblyLoadContext() : base(isCollectible: true) { }
+}

Nerfed.Editor/Project/EditorAssemblyLoader.cs

@@ -0,0 +1,124 @@
+using Nerfed.Runtime;
+using System.Diagnostics;
+using System.Reflection;
+using System.Runtime.CompilerServices;
+
+namespace Nerfed.Editor.Project;
+
+// https://github.com/godotengine/godot/blob/master/modules/mono/glue/GodotSharp/GodotPlugins/Main.c
+// https://gitlab.com/robertk92/assemblyreloadtest/-/blob/main/AppContextTest/Program.cs
+
+internal static class EditorAssemblyLoader
+{
+    internal sealed class EditorAssemblyLoadContextWrapper
+    {
+        private EditorAssemblyLoadContext assemblyLoadContext;
+        private readonly WeakReference weakReference;
+
+        private EditorAssemblyLoadContextWrapper(EditorAssemblyLoadContext assemblyLoadContext, WeakReference weakReference)
+        {
+            this.assemblyLoadContext = assemblyLoadContext;
+            this.weakReference = weakReference;
+        }
+
+        public bool IsCollectible
+        {
+            [MethodImpl(MethodImplOptions.NoInlining)]
+            // If assemblyLoadContext is null we already started unloading, so it was collectible.
+            get => assemblyLoadContext?.IsCollectible ?? true;
+        }
+
+        public bool IsAlive
+        {
+            [MethodImpl(MethodImplOptions.NoInlining)]
+            get => weakReference.IsAlive;
+        }
+
+        [MethodImpl(MethodImplOptions.NoInlining)]
+        public static (Assembly, EditorAssemblyLoadContextWrapper) CreateAndLoad(AssemblyName assemblyName)
+        {
+            EditorAssemblyLoadContext context = new EditorAssemblyLoadContext();
+            WeakReference reference = new WeakReference(context, trackResurrection: true);
+            EditorAssemblyLoadContextWrapper wrapper = new EditorAssemblyLoadContextWrapper(context, reference);
+            Assembly assembly = context.LoadFromAssemblyName(assemblyName);
+            return (assembly, wrapper);
+        }
+
+        [MethodImpl(MethodImplOptions.NoInlining)]
+        public static (Assembly, EditorAssemblyLoadContextWrapper) CreateAndLoad(string assemblyPath)
+        {
+            EditorAssemblyLoadContext context = new EditorAssemblyLoadContext();
+            WeakReference reference = new WeakReference(context, trackResurrection: true);
+            EditorAssemblyLoadContextWrapper wrapper = new EditorAssemblyLoadContextWrapper(context, reference);
+            Assembly assembly = context.LoadFromAssemblyPath(assemblyPath);
+            return (assembly, wrapper);
+        }
+
+        [MethodImpl(MethodImplOptions.NoInlining)]
+        internal void Unload()
+        {
+            assemblyLoadContext?.Unload();
+            assemblyLoadContext = null;
+        }
+    }
+
+    internal static (Assembly, EditorAssemblyLoadContextWrapper) Load(string assemblyFilePath)
+    {
+        string assemblyFileName = Path.GetFileNameWithoutExtension(assemblyFilePath);
+
+        AssemblyName assemblyName = new AssemblyName(assemblyFileName);
+
+        return EditorAssemblyLoadContextWrapper.CreateAndLoad(assemblyName);
+    }
+
+    internal static (Assembly, EditorAssemblyLoadContextWrapper) LoadFromPath(string assemblyFilePath)
+    {
+        return EditorAssemblyLoadContextWrapper.CreateAndLoad(assemblyFilePath);
+    }
+
+    internal static bool Unload(EditorAssemblyLoadContextWrapper assemblyLoadContextWrapper)
+    {
+        if (assemblyLoadContextWrapper == null)
+        {
+            return true;
+        }
+
+        if (!assemblyLoadContextWrapper.IsCollectible) 
+        {
+            Log.Error($"{assemblyLoadContextWrapper} is not collectable!");
+            return false;
+        }
+
+        assemblyLoadContextWrapper.Unload();
+
+        GC.Collect();
+        GC.WaitForPendingFinalizers();
+
+        TimeSpan timeout = TimeSpan.FromSeconds(30);
+        Stopwatch stopwatch = Stopwatch.StartNew();
+
+        while (assemblyLoadContextWrapper.IsAlive) 
+        {
+            GC.Collect(GC.MaxGeneration, GCCollectionMode.Forced);
+            GC.WaitForPendingFinalizers();
+
+            if (!assemblyLoadContextWrapper.IsAlive)
+            {
+                break;
+            }
+
+            if (stopwatch.Elapsed.TotalSeconds % 10 == 0)
+            {
+                Log.Info("Tring to unload assembly...");
+            }
+
+            if (stopwatch.Elapsed >= timeout)
+            {
+                Log.Error("Failed to unload assembly!");
+                return false;
+            }
+        }
+
+        return true;
+    }
+}

Nerfed.Editor/Project/EditorProject.cs

@@ -0,0 +1,173 @@
+using Nerfed.Runtime;
+
+namespace Nerfed.Editor.Project;
+
+internal static class EditorProject
+{
+    internal static Compiler.Project Project { get; private set; } = null;
+    internal static string ProjectFilePath { get; private set; } = string.Empty;
+    internal static string ProjectSolutionFilePath { get; private set; } = string.Empty;
+    internal static string ProjectDirectory { get; private set; } = string.Empty;
+    internal static string ProjectContentDirectory { get; private set; } = string.Empty;
+    internal static string ProjectTempDirectory { get; private set; } = string.Empty;
+
+    private static readonly List<(string, EditorAssemblyLoader.EditorAssemblyLoadContextWrapper)> editorAssemblyLoadContextWrappers = [];
+
+    internal static bool Create(string projectFilePath, string projectName)
+    {
+        Close();
+
+        if (!Compiler.Project.Create(projectFilePath, projectName, out Compiler.Project project))
+        {
+            return false;
+        }
+
+        Open(projectFilePath);
+
+        Log.Info($"Succesfully created project.");
+        return true;
+    }
+
+    internal static bool Open(string projectFilePath)
+    {
+        Close();
+
+        if(!Compiler.Project.Open(projectFilePath, out Compiler.Project project))
+        {
+            return false;
+        }
+
+        Project = project;
+        ProjectFilePath = projectFilePath;
+        ProjectDirectory = Path.GetDirectoryName(projectFilePath);
+
+        string projectSolutionFilePath = Path.Combine(ProjectDirectory, Project.Name + Compiler.Generator.SolutionExtensionName);
+        if (File.Exists(projectSolutionFilePath))
+        {
+            ProjectSolutionFilePath = projectSolutionFilePath;
+        }
+        
+        SetupDefaultFolders();
+        Compile();
+
+        Log.Info($"Opened project: {project.Name}");
+
+        return true;
+    }
+
+    internal static void Close()
+    {
+        Project = null;
+        ProjectFilePath = string.Empty;
+        ProjectSolutionFilePath = string.Empty;
+        ProjectDirectory = string.Empty;
+        ProjectContentDirectory = string.Empty;
+        ProjectTempDirectory = string.Empty;
+    }
+
+    internal static bool Save()
+    {
+        if(Project == null)
+        {
+            return false;
+        }
+
+        return Compiler.Project.Save(Project, ProjectFilePath);
+    }
+
+    internal static void Compile()
+    {
+        if(Project == null)
+        {
+            return;
+        }
+
+        UnloadAssemblies();
+
+        Compiler.Compiler.Compile(ProjectFilePath, "Debug");
+
+        LoadAssemblies();
+    }
+
+    internal static void GenerateSolution()
+    {
+        if(Project == null)
+        {
+            return;
+        }
+
+        Compiler.Generator.GenerateSolution(ProjectDirectory, Project, out string solutionFilePath);
+        ProjectSolutionFilePath = solutionFilePath;
+    }
+
+    private static void SetupDefaultFolders()
+    {
+        if (Project == null || ProjectDirectory == null)
+        {
+            return;
+        }
+
+        string contentDirectory = Path.Combine(ProjectDirectory, "Content");
+        if (!Directory.Exists(contentDirectory))
+        {
+            Directory.CreateDirectory(contentDirectory);
+        }
+        ProjectContentDirectory = contentDirectory;
+        string scriptsDirectory = Path.Combine(ProjectContentDirectory, "Scripts");
+        if (!Directory.Exists(scriptsDirectory))
+        {
+            Directory.CreateDirectory(scriptsDirectory);
+        }
+        string scriptsRuntimePath = Path.Combine(scriptsDirectory, "Runtime");
+        if (!Directory.Exists(scriptsRuntimePath))
+        {
+            Directory.CreateDirectory(scriptsRuntimePath);
+        }
+
+        // Test create csproject.
+        string gameplayRuntimeFilePath = Path.Combine(scriptsRuntimePath, Compiler.Generator.AssemblyDefinitionExtensionName);
+        if (!File.Exists(gameplayRuntimeFilePath))
+        {
+            Compiler.AssemblyDefinition.Create(gameplayRuntimeFilePath, "Gameplay", out Compiler.AssemblyDefinition project);
+        }
+
+        string tempDirectory = Path.Combine(ProjectDirectory, "Temp");
+        if (!Directory.Exists(tempDirectory))
+        {
+            Directory.CreateDirectory(tempDirectory);
+        }
+        ProjectTempDirectory = tempDirectory;
+    }
+
+    private static void LoadAssemblies()
+    {
+        string[] assemblies = Directory.GetFiles(Path.Combine(ProjectDirectory, "bin"), "*.dll", SearchOption.AllDirectories);
+
+        foreach (string assembly in assemblies)
+        {
+            (System.Reflection.Assembly, EditorAssemblyLoader.EditorAssemblyLoadContextWrapper) a = EditorAssemblyLoader.LoadFromPath(assembly);
+            string name = a.Item1.GetName().Name;
+            editorAssemblyLoadContextWrappers.Add((name, a.Item2));
+            Log.Info($"loaded {name}");
+        }
+
+        Nerfed.Runtime.Generator.Hook.InvokeHooks();
+    }
+
+    private static void UnloadAssemblies()
+    {
+        for (int i = editorAssemblyLoadContextWrappers.Count - 1; i >= 0; i--)
+        {
+            (string, EditorAssemblyLoader.EditorAssemblyLoadContextWrapper) a = editorAssemblyLoadContextWrappers[i];
+            if (EditorAssemblyLoader.Unload(a.Item2))
+            {
+                Log.Info($"Unloaded {a.Item1}");
+                editorAssemblyLoadContextWrappers.RemoveAt(i);
+            }
+            else
+            {
+                Log.Error($"Could not unload {a.Item1}");
+            }
+        }
+    }
+}

Nerfed.Editor/Project/EditorProjectGui.cs

@@ -0,0 +1,67 @@
+using ImGuiNET;
+
+namespace Nerfed.Editor.Project;
+
+internal static class EditorProjectGui
+{
+    private static string projectDirectory = string.Empty;
+    private static string projectName = string.Empty;
+    private static string projectFilePath = string.Empty;
+
+    internal static void OnGui()
+    {
+        ImGui.Begin("Project");
+        ImGui.BeginGroup();
+
+        ImGui.InputText("Project Directory", ref projectDirectory, 512);
+        ImGui.InputText("Project Name", ref projectName, 512);
+
+        string newProjectFilePath = Path.Combine(projectDirectory, ".project");
+        ImGui.Text(newProjectFilePath);
+
+        if (ImGui.Button("Create Project"))
+        {
+            EditorProject.Create(newProjectFilePath, projectName);
+        }
+
+        ImGui.EndGroup();
+        ImGui.BeginGroup();
+
+        ImGui.InputText("Project File Path", ref projectFilePath, 512);
+        if (ImGui.Button("Open Project"))
+        {
+            EditorProject.Open(projectFilePath);
+        }
+
+        ImGui.Text("Loaded project: ");
+        if(EditorProject.Project != null)
+        {
+            ImGui.Text(EditorProject.Project.Name);
+            ImGui.Text(EditorProject.ProjectFilePath);
+            ImGui.Text(EditorProject.ProjectSolutionFilePath);
+            ImGui.Text(EditorProject.ProjectDirectory);
+            ImGui.Text(EditorProject.ProjectContentDirectory);
+            ImGui.Text(EditorProject.ProjectTempDirectory);
+        }
+        else
+        {
+            ImGui.Text("None");
+        }
+
+        ImGui.EndGroup();
+        ImGui.BeginGroup();
+
+        if (ImGui.Button("Generate Solution"))
+        {
+            EditorProject.GenerateSolution();
+        }
+
+        if (ImGui.Button("Compile"))
+        {
+            EditorProject.Compile();
+        }
+
+        ImGui.EndGroup();
+        ImGui.End();
+    }
+}

Nerfed.Editor/Systems/EditorHierarchyWindow.cs

@@ -1,190 +0,0 @@
-using ImGuiNET;
-using MoonTools.ECS;
-using Nerfed.Editor.Components;
-using Nerfed.Runtime;
-using Nerfed.Runtime.Components;
-using Nerfed.Runtime.Util;
-
-namespace Nerfed.Editor.Systems
-{
-    // Window that draws entities.
-    internal class EditorHierarchyWindow : MoonTools.ECS.System
-    {
-        private const ImGuiTreeNodeFlags baseFlags = ImGuiTreeNodeFlags.OpenOnArrow | ImGuiTreeNodeFlags.OpenOnDoubleClick | ImGuiTreeNodeFlags.SpanAvailWidth;
-
-        //private readonly Filter rootEntitiesWithTransformFilter;
-        //private readonly Filter rootEntitiesFilterBroken;
-        private readonly Filter rootEntitiesFilter;
-
-        private readonly EditorHierachySelectionSystem hierachySelectionSystem;
-
-        public EditorHierarchyWindow(World world) : base(world)
-        {
-            //rootEntitiesWithTransformFilter = FilterBuilder.Include<LocalTransform>().Exclude<Child>().Build();
-
-            // TODO: this doesn't work.
-            //rootEntitiesFilterBroken = FilterBuilder.Exclude<Child>().Build();
-
-            // Maybe the parent/child functions should add a root component when not being a child.
-            rootEntitiesFilter = FilterBuilder.Include<Root>().Build();
-
-            // Maybe instead of a root, if we need a component that is always on an entity and has some use we could create something like a VersionComponent which only hold an int.
-            // The version would update each time something changes on the entity.
-            // Or a EditorComponent, just a component that always gets added when in editor mode.
-
-            hierachySelectionSystem = new EditorHierachySelectionSystem(world);
-        }
-
-        public override void Update(TimeSpan delta)
-        {
-            ImGui.Begin("Hierarchy");
-
-            ImGuiTreeNodeFlags flags = baseFlags;
-            flags |= ImGuiTreeNodeFlags.DefaultOpen;
-
-            if (ImGui.TreeNodeEx("World", flags))
-            {
-                if (ImGui.BeginDragDropTarget())
-                {
-                    unsafe
-                    {
-                        ImGuiPayloadPtr payload = ImGui.AcceptDragDropPayload($"{nameof(EditorHierarchyWindow)}");
-                        if (payload.NativePtr != null)
-                        {
-                            Entity* data = (Entity*)payload.Data;
-                            Entity child = data[0];
-
-                            Log.Info($"Dropped {child.ID}");
-
-                            Transform.RemoveParent(World, child);
-                        }
-                    }
-                    ImGui.EndDragDropTarget();
-                }
-
-                //foreach (Entity entity in rootEntitiesWithTransformFilter.Entities)
-                //{
-                //    DrawEntityAndChildren(entity);
-                //}
-
-                foreach (Entity entity in rootEntitiesFilter.Entities)
-                {
-                    DrawEntityAndChildren(entity);
-                }
-
-                ImGui.TreePop();
-            }
-
-            ImGui.End();
-
-            hierachySelectionSystem.Update(delta);
-        }
-
-        private void DrawEntityAndChildren(in Entity entity)
-        {
-            ImGuiTreeNodeFlags flags = baseFlags;
-
-            if (!World.HasInRelation<ChildParentRelation>(entity))
-            {
-                flags |= ImGuiTreeNodeFlags.Leaf;
-            }
-
-            if (World.Has<SelectedInHierachy>(entity))
-            {
-                flags |= ImGuiTreeNodeFlags.Selected;
-            }
-
-            if (ImGui.TreeNodeEx($"{entity.ID} | {GetTag(entity)}", flags))
-            {
-                // TODO: fix selection, look at ImGui 1.91, https://github.com/ocornut/imgui/wiki/Multi-Select
-                // Selection.
-                if (ImGui.IsItemClicked() && !ImGui.IsItemToggledOpen())
-                {
-                    World.Set(entity, new ClickedInHierachy());
-                }
-
-                // Drag and drop.
-                if (ImGui.BeginDragDropSource())
-                {
-                    unsafe
-                    {
-                        fixed (Entity* payload = &entity)
-                        {
-                            ImGui.SetDragDropPayload($"{nameof(EditorHierarchyWindow)}", (IntPtr)payload, (uint)sizeof(Entity));
-                        }
-                    }
-
-                    ImGui.EndDragDropSource();
-                }
-
-                if (ImGui.BeginDragDropTarget())
-                {
-                    unsafe
-                    {
-                        ImGuiPayloadPtr payload = ImGui.AcceptDragDropPayload($"{nameof(EditorHierarchyWindow)}");
-                        if (payload.NativePtr != null)
-                        {
-                            Entity ent = *(Entity*)payload.Data;
-
-                            Log.Info($"Dropped {ent.ID}");
-
-                            Transform.SetParent(World, ent, entity);
-                        }
-                    }
-                    ImGui.EndDragDropTarget();
-                }
-
-                // Draw children.
-                ReverseSpanEnumerator<Entity> childEntities = World.InRelations<ChildParentRelation>(entity);
-                foreach (Entity childEntity in childEntities)
-                {
-                    DrawEntityAndChildren(childEntity);
-                }
-
-                ImGui.TreePop();
-            }
-        }
-
-        // System for handling the selected entities in the hierachy.
-        private class EditorHierachySelectionSystem : MoonTools.ECS.System
-        {
-            private readonly Filter selectedEntities;
-            private readonly Filter clickedEntities;
-
-            public EditorHierachySelectionSystem(World world) : base(world)
-            {
-                selectedEntities = FilterBuilder.Include<SelectedInHierachy>().Build();
-                clickedEntities = FilterBuilder.Include<ClickedInHierachy>().Build();
-            }
-
-            public override void Update(TimeSpan delta)
-            {
-                ImGuiIOPtr io = ImGui.GetIO();
-
-                if (!clickedEntities.Empty && !io.KeyCtrl)
-                {
-                    foreach (Entity entity in selectedEntities.Entities)
-                    {
-                        Remove<SelectedInHierachy>(entity);
-                    }
-                }
-
-                foreach (Entity entity in clickedEntities.Entities)
-                {
-                    // Unselect.
-                    if (Has<SelectedInHierachy>(entity))
-                    {
-                        Remove<SelectedInHierachy>(entity);
-                    }
-                    // Select.
-                    else
-                    {
-                        Set(entity, new SelectedInHierachy());
-                    }
-
-                    Remove<ClickedInHierachy>(entity);
-                }
-            }
-        }
-    }
-}

Nerfed.Editor/Systems/EditorInspectorWindow.cs

@@ -1,100 +0,0 @@
-using System.Numerics;
-using ImGuiNET;
-using MoonTools.ECS;
-using Nerfed.Editor.Components;
-using Nerfed.Runtime.Serialization;
-
-#if DEBUG
-namespace Nerfed.Editor.Systems
-{
-    // Window that draws entities.
-    internal class EditorInspectorWindow : MoonTools.ECS.DebugSystem
-    {
-        private readonly Filter selectedEntityFilter;
-
-        public EditorInspectorWindow(World world) : base(world)
-        {
-            selectedEntityFilter = FilterBuilder.Include<SelectedInHierachy>().Build();
-        }
-
-        public override void Update(TimeSpan delta)
-        {
-            ImGui.Begin("Inspector");
-
-            foreach (Entity entity in selectedEntityFilter.Entities)
-            {
-                DrawEntityComponents(entity);
-            }
-
-            ImGui.End();
-        }
-
-        private void DrawEntityComponents(Entity entity)
-        {
-            World.ComponentTypeEnumerator componentTypes = World.Debug_GetAllComponentTypes(entity);
-            
-            // Add button of all types that we can add. Also filter out types we already have.
-            List<Type> componentTypesToAdd = ComponentHelper.AddComponentByType.Keys.ToList();
-            foreach (Type componentType in componentTypes)
-            {
-                componentTypesToAdd.Remove(componentType);
-            }
-
-            const string popupId = "AddComponentPopup";
-            if (ImGui.Button("Add Component"))
-            {
-                ImGui.OpenPopup(popupId);
-            }
-
-            if (ImGui.BeginPopup(popupId))
-            {
-                foreach (Type componentType in componentTypesToAdd)
-                {
-                    if (ImGui.Selectable(componentType.Name))
-                    {
-                        if (ComponentHelper.AddComponentByType.TryGetValue(componentType, out Action<World, Entity> componentSetter))
-                        {
-                            componentSetter.Invoke(World, entity);
-                        }
-                    }
-                }
-                ImGui.EndPopup();
-            }
-
-            ImGui.Dummy(new Vector2(16, 16));
-            
-            ImGui.Text("ComponentInspectorByType");
-            foreach (Type componentType in componentTypes)
-            {
-                if (ComponentHelper.ComponentInspectorByType.TryGetValue(componentType, out Action<World, Entity> componentInspector))
-                {
-                    componentInspector(World, entity);
-                }
-                else if (ComponentHelper.GetComponentByType.TryGetValue(componentType, out Func<World, Entity, ValueType> componentGetter))
-                {
-                    ValueType component = componentGetter.Invoke(World, entity);
-                    ImGui.Text(component.ToString());
-                }
-                else
-                {
-                    ImGui.Text(componentType.Name);
-                }
-                ImGui.Separator();
-            }
-            
-            ImGui.Dummy(new Vector2(16, 16));
-
-            // ImGui.Text("Reflection");
-            // foreach (Type component in componentTypes)
-            // {
-            //     System.Reflection.MethodInfo getMethodInfo = typeof(World).GetMethod("Get");
-            //     System.Reflection.MethodInfo getComponentMethod = getMethodInfo.MakeGenericMethod(component);
-            //     object result = getComponentMethod.Invoke(World, [entity]);
-            //
-            //     // process here
-            //     ImGui.Text(result.ToString());
-            // }
-        }
-    }
-}
-#endif

Nerfed.Editor/Systems/EditorProfilerWindow.cs

@@ -1,204 +0,0 @@
-using ImGuiNET;
-using MoonTools.ECS;
-using Nerfed.Runtime;
-
-namespace Nerfed.Editor.Systems
-{
-    internal class EditorProfilerWindow : MoonTools.ECS.System
-    {
-        const ImGuiTableFlags tableFlags = ImGuiTableFlags.Resizable | ImGuiTableFlags.BordersOuter | ImGuiTableFlags.NoBordersInBody | ImGuiTableFlags.ScrollY | ImGuiTableFlags.ScrollX;
-        const ImGuiTreeNodeFlags treeNodeFlags = ImGuiTreeNodeFlags.SpanAllColumns;
-        const ImGuiTreeNodeFlags treeNodeLeafFlags = ImGuiTreeNodeFlags.SpanAllColumns | ImGuiTreeNodeFlags.Leaf | ImGuiTreeNodeFlags.NoTreePushOnOpen;
-
-        private int selectedFrame = 0;
-        private int previousSelectedFrame = -1;
-        private IOrderedEnumerable<KeyValuePair<string, (double ms, uint calls)>> orderedCombinedData = null;
-
-        public EditorProfilerWindow(World world) : base(world)
-        {
-        }
-
-        public override void Update(TimeSpan delta)
-        {
-            if (Profiler.Frames.Count <= 0)
-            {
-                return;
-            }
-
-            ImGui.Begin("Profiler");
-
-            ImGui.BeginChild("Toolbar", new System.Numerics.Vector2(0, 0), ImGuiChildFlags.AutoResizeY);
-            if (ImGui.RadioButton("Recording", Profiler.IsRecording))
-            {
-                Profiler.SetActive(!Profiler.IsRecording);
-            }
-
-            ImGui.SameLine();
-
-            if (Profiler.IsRecording)
-            {
-                // Select last frame when recording to see latest frame data.
-                selectedFrame = Profiler.Frames.Count - 1;
-            }
-            if (ImGui.SliderInt(string.Empty, ref selectedFrame, 0, Profiler.Frames.Count - 1))
-            {
-                // Stop recording when browsing frames.
-                Profiler.SetActive(false);
-            }
-
-            Profiler.Frame frame = Profiler.Frames.ElementAt(selectedFrame);
-            double ms = frame.ElapsedMilliseconds();
-            double s = 1000;
-            ImGui.Text($"Frame: {frame.FrameCount} ({ms:0.000} ms | {(s / ms):0} fps)");
-            ImGui.EndChild();
-
-            if (!Profiler.IsRecording) {
-                if (previousSelectedFrame != selectedFrame)
-                {
-                    previousSelectedFrame = selectedFrame;
-                    orderedCombinedData = CalculateCombinedData(frame);
-                }
-
-                DrawFlameGraph(frame);
-
-                DrawHierachy(frame);
-
-                ImGui.SameLine();
-
-                DrawCombined(orderedCombinedData);
-            }
-
-            ImGui.End();
-        }
-
-        private static void DrawHierachy(Profiler.Frame frame)
-        {
-            if(frame == null)
-            {
-                return;
-            }
-
-            ImGui.BeginChild("Hierachy", new System.Numerics.Vector2(150, 0), ImGuiChildFlags.ResizeX);
-
-            if (ImGui.BeginTable("ProfilerData", 3, tableFlags, new System.Numerics.Vector2(0, 0)))
-            {
-                ImGui.TableSetupColumn("name", ImGuiTableColumnFlags.WidthStretch, 0.8f, 0);
-                ImGui.TableSetupColumn("thread", ImGuiTableColumnFlags.WidthStretch, 0.2f, 1);
-                ImGui.TableSetupColumn("ms", ImGuiTableColumnFlags.WidthStretch, 0.2f, 1);
-                ImGui.TableSetupScrollFreeze(0, 1); // Make row always visible
-                ImGui.TableHeadersRow();
-
-                foreach (Profiler.ScopeNode node in frame.RootNodes)
-                {
-                    DrawHierachyNode(node);
-                }
-
-                ImGui.EndTable();
-            }
-
-            ImGui.EndChild();
-        }
-
-        private static void DrawHierachyNode(Profiler.ScopeNode node)
-        {
-            ImGui.TableNextRow();
-            ImGui.TableNextColumn();
-
-            bool isOpen = false;
-            bool isLeaf = node.Children.Count == 0;
-
-            if (isLeaf) {
-                ImGui.TreeNodeEx(node.Label, treeNodeLeafFlags);
-            }
-            else
-            {
-                isOpen = ImGui.TreeNodeEx(node.Label, treeNodeFlags);
-            }
-
-            ImGui.TableNextColumn();
-            ImGui.Text($"{node.ManagedThreadId}");
-            ImGui.TableNextColumn();
-            ImGui.Text($"{node.ElapsedMilliseconds():0.000}");
-
-            if (isOpen)
-            {
-                for (int i = 0; i < node.Children.Count; i++)
-                {
-                    DrawHierachyNode(node.Children[i]);
-                }
-                ImGui.TreePop();
-            }
-        }
-
-        private static void DrawCombined(in IOrderedEnumerable<KeyValuePair<string, (double ms, uint calls)>> orderedCombinedData)
-        {
-            if(orderedCombinedData == null)
-            {
-                return;
-            }
-
-            ImGui.BeginChild("Combined", new System.Numerics.Vector2(0, 0));
-
-            if (ImGui.BeginTable("ProfilerCombinedData", 3, tableFlags, new System.Numerics.Vector2(0, 0)))
-            {
-                ImGui.TableSetupColumn("name", ImGuiTableColumnFlags.WidthStretch, 0.6f, 0);
-                ImGui.TableSetupColumn("ms", ImGuiTableColumnFlags.WidthStretch, 0.2f, 1);
-                ImGui.TableSetupColumn("calls", ImGuiTableColumnFlags.WidthStretch, 0.2f, 2);
-                ImGui.TableSetupScrollFreeze(0, 1); // Make row always visible
-                ImGui.TableHeadersRow();
-
-                foreach (KeyValuePair<string, (double ms, uint calls)> combinedData in orderedCombinedData)
-                {
-                    ImGui.TableNextRow();
-                    ImGui.TableNextColumn();
-                    ImGui.Text($"{combinedData.Key}");
-                    ImGui.TableNextColumn();
-                    ImGui.Text($"{combinedData.Value.ms:0.000}");
-                    ImGui.TableNextColumn();
-                    ImGui.Text($"{combinedData.Value.calls}");
-                }
-
-                ImGui.EndTable();
-            }
-
-            ImGui.EndChild();
-        }
-
-        private static IOrderedEnumerable<KeyValuePair<string, (double ms, uint calls)>> CalculateCombinedData(Profiler.Frame frame)
-        {
-            Dictionary<string, (double ms, uint calls)> combinedRecordData = new Dictionary<string, (double ms, uint calls)>(128);
-            foreach (Profiler.ScopeNode node in frame.RootNodes)
-            {
-                CalculateCombinedData(node, in combinedRecordData);
-            }
-            return combinedRecordData.OrderByDescending(x => x.Value.ms);
-        }
-
-        private static void CalculateCombinedData(Profiler.ScopeNode node, in Dictionary<string, (double ms, uint calls)> combinedRecordData)
-        {
-            if (combinedRecordData.TryGetValue(node.Label, out (double ms, uint calls) combined))
-            {
-                combinedRecordData[node.Label] = (combined.ms + node.ElapsedMilliseconds(), combined.calls + 1);
-            }
-            else
-            {
-                combinedRecordData.Add(node.Label, (node.ElapsedMilliseconds(), 1));
-            }
-
-            for (int i = 0; i < node.Children.Count; i++)
-            {
-                CalculateCombinedData(node.Children[i], combinedRecordData);
-            }
-        }
-
-        private static void DrawFlameGraph(Profiler.Frame frame)
-        {
-            if (frame == null)
-            {
-                return;
-            }
-
-            ProfilerVisualizer.RenderFlameGraph(frame);
-        }
-    }
-}

Nerfed.Runtime.Generator/HookSourceGenerator.cs

@@ -0,0 +1,91 @@
+using Microsoft.CodeAnalysis;
+using Microsoft.CodeAnalysis.CSharp.Syntax;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+
+namespace Nerfed.Runtime.Generator
+{
+    [Generator]
+    public class HookSourceGenerator : ISourceGenerator
+    {
+        public void Execute(GeneratorExecutionContext context)
+        {
+            // Ensure the syntax receiver is not null and is of the expected type
+            if (context.SyntaxReceiver is not HookSyntaxReceiver syntaxReceiver)
+                return;
+
+            // Check if we have collected any hook methods
+            List<MethodDeclarationSyntax> hookMethods = syntaxReceiver.HookMethods;
+            if (hookMethods == null || !hookMethods.Any())
+                return;
+
+            StringBuilder codeBuilder = new StringBuilder();
+
+            codeBuilder.AppendLine("using System;");
+            codeBuilder.AppendLine("");
+            codeBuilder.AppendLine("namespace Nerfed.Runtime.Generator;");
+            codeBuilder.AppendLine("");
+            codeBuilder.AppendLine($"// Generated by {typeof(HookSourceGenerator)}");
+            codeBuilder.AppendLine("public static class Hook");
+            codeBuilder.AppendLine("{");
+            codeBuilder.AppendLine("    public static void InvokeHooks()");
+            codeBuilder.AppendLine("    {");
+
+            foreach (MethodDeclarationSyntax method in hookMethods)
+            {
+                SemanticModel model = context.Compilation.GetSemanticModel(method.SyntaxTree);
+
+                if (model.GetDeclaredSymbol(method) is not IMethodSymbol methodSymbol)
+                {
+                    continue;
+                }
+
+                if (methodSymbol.DeclaredAccessibility != Accessibility.Public || !methodSymbol.IsStatic)
+                {
+                    continue;
+                }
+
+                codeBuilder.AppendLine($"        {methodSymbol.ContainingType.ToDisplayString(SymbolDisplayFormat.FullyQualifiedFormat)}.{methodSymbol.Name}();");
+            }
+
+            codeBuilder.AppendLine("    }");
+            codeBuilder.AppendLine("}");
+
+            // Add the generated code to the compilation
+            context.AddSource("Hook.g.cs", codeBuilder.ToString());
+        }
+
+
+        public void Initialize(GeneratorInitializationContext context)
+        {
+            context.RegisterForSyntaxNotifications(() => new HookSyntaxReceiver());
+        }
+
+        public class HookSyntaxReceiver : ISyntaxReceiver
+        {
+            public List<MethodDeclarationSyntax> HookMethods { get; } = new List<MethodDeclarationSyntax>();
+
+            public void OnVisitSyntaxNode(SyntaxNode syntaxNode)
+            {
+                // Check if the node is a method declaration
+                if (syntaxNode is MethodDeclarationSyntax methodDeclaration)
+                {
+                    // Ensure the method declaration has attribute lists
+                    if (methodDeclaration.AttributeLists.Count == 0)
+                        return;
+
+                    // Check if the method has the Hook attribute
+                    bool hasHookAttribute = methodDeclaration.AttributeLists
+                        .SelectMany(attrList => attrList.Attributes)
+                        .Any(attr => attr.Name.ToString() == "Hook");
+
+                    if (hasHookAttribute)
+                    {
+                        HookMethods.Add(methodDeclaration);
+                    }
+                }
+            }
+        }
+    }
+}

Nerfed.Runtime.Generator/Nerfed.Runtime.Generator.csproj

@@ -0,0 +1,33 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+	<PropertyGroup>
+		<TargetFramework>netstandard2.0</TargetFramework>
+		<LangVersion>latest</LangVersion>
+		<EnforceExtendedAnalyzerRules>true</EnforceExtendedAnalyzerRules>
+		<Configurations>Debug;Test;Release</Configurations>
+		<Platforms>x64</Platforms>
+	</PropertyGroup>
+
+	<ItemGroup>
+	  <PackageReference Include="Microsoft.CodeAnalysis.Analyzers" Version="3.3.4">
+	    <PrivateAssets>all</PrivateAssets>
+	    <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
+	  </PackageReference>
+	  <PackageReference Include="Microsoft.CodeAnalysis.CSharp.Workspaces" Version="4.11.0"/>
+	</ItemGroup>
+
+	<PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|x64' ">
+		<DefineConstants>TRACE;LOG_INFO;PROFILING</DefineConstants>
+	</PropertyGroup>
+
+	<PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Test|x64' ">
+		<DefineConstants>TRACE;LOG_ERROR;PROFILING</DefineConstants>
+		<Optimize>true</Optimize>
+	</PropertyGroup>
+
+	<PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|x64' ">
+		<DefineConstants>TRACE;LOG_ERROR</DefineConstants>
+		<Optimize>true</Optimize>
+	</PropertyGroup>
+	
+</Project>

Nerfed.Runtime/Components/LocalToWorld.cs

@@ -1,6 +0,0 @@
-using System.Numerics;
-
-namespace Nerfed.Runtime.Components
-{
-    public readonly record struct LocalToWorld(Matrix4x4 localToWorldMatrix);
-}

Nerfed.Runtime/Components/LocalTransform.cs

@@ -1,9 +0,0 @@
-using System.Numerics;
-
-namespace Nerfed.Runtime.Components
-{
-    public readonly record struct LocalTransform(Vector3 position, Quaternion rotation, Vector3 scale)
-    {
-        public static readonly LocalTransform Identity = new(Vector3.Zero, Quaternion.Identity, Vector3.One);
-    }
-}

Nerfed.Runtime/Components/Parent.cs

@@ -1,11 +0,0 @@
-using MoonTools.ECS;
-
-namespace Nerfed.Runtime.Components
-{
-    public readonly record struct Root;
-    //public readonly record struct Parent;
-    //public readonly record struct PreviousParent;
-    public readonly record struct Child;
-    // Describes a relation from the child to the parent.
-    public readonly record struct ChildParentRelation;
-}

Nerfed.Runtime/Components/Test.cs

@@ -1,4 +0,0 @@
-namespace Nerfed.Runtime.Components
-{
-    public readonly record struct Test();
-}

Nerfed.Runtime/Engine.cs

@@ -72,6 +72,7 @@ public static void Run(string[] args)
         AudioDevice = new AudioDevice();
 
         OnInitialize?.Invoke();
+        Nerfed.Runtime.Generator.Hook.InvokeHooks();
 
         while (!quit)
         {
@@ -111,14 +112,10 @@ public static void Quit()
 
     private static void Tick()
     {
-        Profiler.BeginFrame();
-
         AdvanceElapsedTime();
 
         if (framerateCapped)
         {
-            Profiler.BeginSample("framerateCapped");
-
             /* We want to wait until the framerate cap,
              * but we don't want to oversleep. Requesting repeated 1ms sleeps and
              * seeing how long we actually slept for lets us estimate the worst case
@@ -141,8 +138,6 @@ private static void Tick()
                 Thread.SpinWait(1);
                 AdvanceElapsedTime();
             }
-
-            Profiler.EndSample();
         }
 
         // Do not let any step take longer than our maximum.
@@ -155,7 +150,6 @@ private static void Tick()
         {
             while (accumulatedUpdateTime >= Timestep)
             {
-                Profiler.BeginSample("Update");
                 Keyboard.Update();
                 Mouse.Update();
                 GamePad.Update();
@@ -163,26 +157,19 @@ private static void Tick()
                 ProcessSDLEvents();
 
                 // Tick game here...
-                Profiler.BeginSample("OnUpdate");
                 OnUpdate?.Invoke();
-                Profiler.EndSample();
 
                 AudioDevice.WakeThread();
                 accumulatedUpdateTime -= Timestep;
-                Profiler.EndSample();
             }
 
             double alpha = accumulatedUpdateTime / Timestep;
 
             // Render here..
-            Profiler.BeginSample("OnRender");
             OnRender?.Invoke();
-            Profiler.EndSample();
 
             accumulatedDrawTime -= framerateCapTimeSpan;
         }
-
-        Profiler.EndFrame();
     }
 
     private static TimeSpan AdvanceElapsedTime()

Nerfed.Runtime/Hook/HookAttribute.cs

@@ -0,0 +1,7 @@
+namespace Nerfed.Runtime.Hook
+{
+    [AttributeUsage(AttributeTargets.Method, Inherited = false)]
+    public class HookAttribute : Attribute
+    {
+    }
+}

Nerfed.Runtime/Hook/HookTest.cs

@@ -0,0 +1,11 @@
+namespace Nerfed.Runtime.Hook
+{
+    public static class HookTest
+    {
+        [Hook]
+        public static void Test()
+        {
+            Log.Info("Hook!");
+        }
+    }
+}

Nerfed.Runtime/Libraries/MoonTools.ECS

@@ -1 +0,0 @@
-Subproject commit 76b18a6ba9a33f5a93022390be7ed805f9f722e8

Nerfed.Runtime/Nerfed.Runtime.csproj

@@ -11,6 +11,7 @@
         <IsPackable>false</IsPackable>
         <Configurations>Debug;Test;Release</Configurations>
         <Platforms>x64</Platforms>
+		<EmitCompilerGeneratedFiles>true</EmitCompilerGeneratedFiles>
     </PropertyGroup>
 
     <PropertyGroup>
@@ -32,13 +33,18 @@
     </PropertyGroup>
     
     <ItemGroup>
-        <Compile Include="Libraries\FAudio\csharp\FAudio.cs" />
-        <Compile Include="Libraries\ImGui.NET\src\ImGui.NET\**\*.cs" />
-        <Compile Include="Libraries\MoonTools.ECS\src\**\*.cs" />
-        <Compile Include="Libraries\RefreshCS\RefreshCS.cs" />
         <Compile Include="Libraries\SDL2CS\src\SDL2.cs" />
+        <Compile Include="Libraries\RefreshCS\RefreshCS.cs" />
+        <Compile Include="Libraries\FAudio\csharp\FAudio.cs" />
         <Compile Include="Libraries\WellspringCS\WellspringCS.cs" />
         <Compile Include="Libraries\dav1dfile\csharp\dav1dfile.cs" />
+        <Compile Include="Libraries\ImGui.NET\src\ImGui.NET\**\*.cs" />
+    </ItemGroup>
+    
+    <ItemGroup>
+      <ProjectReference Include="..\Nerfed.Runtime.Generator\Nerfed.Runtime.Generator.csproj"
+						OutputItemType="Analyzer"
+						ReferenceOutputAssembly="false" />
     </ItemGroup>
     
 </Project>

Nerfed.Runtime/Profiler.cs

@@ -1,166 +1,29 @@
-using System.Collections.Concurrent;
-using System.Diagnostics;
+using System.Diagnostics;
+using System.Reflection;
+using System.Runtime.CompilerServices;
 
 namespace Nerfed.Runtime;
 
 public struct ProfilerScope : IDisposable
 {
-    public ProfilerScope(string label)
-    {
+    public ProfilerScope(string label) {
         Profiler.BeginSample(label);
     }
 
-    public void Dispose()
-    {
+    public void Dispose() {
         Profiler.EndSample();
     }
 }
 
 public static class Profiler
 {
-    public class Frame(uint frameCount)
-    {
-        public uint FrameCount { get; } = frameCount;
-        public long StartTime { get; } = Stopwatch.GetTimestamp();
-        public long EndTime { get; private set; }
+    [Conditional("PROFILING")]
+    public static void BeginSample(string label) {
 
-        // Use a concurrent list to collect all thread root nodes per frame.
-        public ConcurrentBag<ScopeNode> RootNodes = new ConcurrentBag<ScopeNode>();
-
-        internal void End()
-        {
-            EndTime = Stopwatch.GetTimestamp();
-        }
-
-        public double ElapsedMilliseconds()
-        {
-            long elapsedTicks = EndTime - StartTime;
-            return ((double)(elapsedTicks * 1000)) / Stopwatch.Frequency;
-        }
-    }
-
-    public class ScopeNode(string label)
-    {
-        public string Label { get; } = label;
-        public long StartTime { get; private set; } = Stopwatch.GetTimestamp();  // Start time in ticks
-        public long EndTime { get; private set; }
-        public int ManagedThreadId { get; } = Environment.CurrentManagedThreadId;
-        public List<ScopeNode> Children { get; } = new List<ScopeNode>();
-
-        internal void End()
-        {
-            EndTime = Stopwatch.GetTimestamp();  // End time in ticks
-        }
-
-        public double ElapsedMilliseconds()
-        {
-            return ((double)(EndTime - StartTime)) * 1000 / Stopwatch.Frequency;  // Convert ticks to ms
-        }
-
-        // Add a child node (used for nested scopes)
-        internal ScopeNode AddChild(string label)
-        {
-            ScopeNode child = new ScopeNode(label);
-            Children.Add(child);
-            return child;
-        }
-    }
-
-    private const int maxFrames = 128;
-
-    public static bool IsRecording { get; private set; } = true;
-
-    // Store only the last x amount of frames in memory.
-    public static readonly BoundedQueue<Frame> Frames = new(maxFrames);
-
-    // Use ThreadLocal to store a stack of ScopeNodes per thread and enable tracking of thread-local values.
-    private static readonly ThreadLocal<Stack<ScopeNode>> threadLocalScopes = new ThreadLocal<Stack<ScopeNode>>(() => new Stack<ScopeNode>(), true);
-
-    private static Frame currentFrame = null;
-    private static uint frameCount = 0;
-
-    public static void SetActive(bool isRecording)
-    {
-        IsRecording = isRecording;
     }
 
     [Conditional("PROFILING")]
-    public static void BeginFrame()
-    {
-        if (!IsRecording)
-        {
-            return;
-        }
+    public static void EndSample() {
 
-        currentFrame = new Frame(frameCount);
-    }
-
-    [Conditional("PROFILING")]
-    public static void EndFrame()
-    {
-        if (!IsRecording)
-        {
-            return;
-        }
-
-        foreach (Stack<ScopeNode> scopes in threadLocalScopes.Values)
-        {
-            if (scopes.Count > 0)
-            {
-                // Pop the left over root nodes.
-                ScopeNode currentScope = scopes.Pop();
-                currentScope.End();
-            }
-
-            // Clean up the thread-local stack to ensure it's empty for the next frame.
-            scopes.Clear();
-        }
-
-        currentFrame.End();
-        Frames.Enqueue(currentFrame);
-        frameCount++;
-    }
-
-    [Conditional("PROFILING")]
-    public static void BeginSample(string label)
-    {
-        if (!IsRecording)
-        {
-            return;
-        }
-
-        Stack<ScopeNode> scopes = threadLocalScopes.Value;  // Get the stack for the current thread
-
-        if (scopes.Count == 0)
-        {
-            // First scope for this thread (new root for this thread)
-            ScopeNode rootScopeNode = new ScopeNode($"Thread-{Environment.CurrentManagedThreadId}");
-            scopes.Push(rootScopeNode);
-            currentFrame.RootNodes.Add(rootScopeNode);  // Add root node to the frame list
-        }
-
-        // Create a new child under the current top of the stack
-        ScopeNode newScope = scopes.Peek().AddChild(label);
-
-        scopes.Push(newScope);  // Push new scope to the thread's stack
-    }
-
-    [Conditional("PROFILING")]
-    public static void EndSample()
-    {
-        if (!IsRecording)
-        {
-            return;
-        }
-
-        Stack<ScopeNode> scopes = threadLocalScopes.Value;
-
-        if (scopes.Count > 0)
-        {
-            // Only pop if this is not the root node.
-            //ScopeNode currentScope = scopes.Count > 1 ? scopes.Pop() : scopes.Peek();
-            ScopeNode currentScope = scopes.Pop();
-            currentScope.End();
-        }
     }
 }

Nerfed.Runtime/ProfilerVisualizer.cs

@@ -1,156 +0,0 @@
-using ImGuiNET;
-using System.Numerics;
-
-namespace Nerfed.Runtime;
-
-public static class ProfilerVisualizer
-{
-    private const float barHeight = 20f;
-    private const float barPadding = 2f;
-
-    // Render the flame graph across multiple threads
-    public static void RenderFlameGraph(Profiler.Frame frame)
-    {
-        if (frame == null) return;
-        if (frame.RootNodes == null) return;
-
-        // Calculate the total timeline duration (max end time across all nodes)
-        double totalDuration = frame.EndTime - frame.StartTime;
-        double startTime = frame.StartTime;
-
-        // Precompute the maximum depth for each thread's call stack
-        Dictionary<int, int> threadMaxDepths = new Dictionary<int, int>();
-        foreach (IGrouping<int, Profiler.ScopeNode> threadGroup in frame.RootNodes.GroupBy(node => node.ManagedThreadId))
-        {
-            int maxDepth = 0;
-            foreach (Profiler.ScopeNode rootNode in threadGroup)
-            {
-                maxDepth = Math.Max(maxDepth, GetMaxDepth(rootNode, 0));
-            }
-            threadMaxDepths[threadGroup.Key] = maxDepth;
-        }
-
-        // Start a child window to support scrolling
-        ImGui.BeginChild("FlameGraph", new Vector2(0, 64), ImGuiChildFlags.Border | ImGuiChildFlags.ResizeY, ImGuiWindowFlags.HorizontalScrollbar | ImGuiWindowFlags.AlwaysVerticalScrollbar);
-
-        ImDrawListPtr drawList = ImGui.GetWindowDrawList();
-        Vector2 windowPos = ImGui.GetCursorScreenPos();
-
-        // Sort nodes by ThreadID, ensuring main thread (Thread ID 1) is on top
-        IOrderedEnumerable<IGrouping<int, Profiler.ScopeNode>> threadGroups = frame.RootNodes.GroupBy(node => node.ManagedThreadId).OrderBy(g => g.Key);
-
-        // Initial Y position for drawing
-        float baseY = windowPos.Y;
-        bool alternate = false;
-        float contentWidth = ImGui.GetContentRegionAvail().X;
-
-        // Draw each thread's flame graph row by row
-        foreach (IGrouping<int, Profiler.ScopeNode> threadGroup in threadGroups)
-        {
-            int threadId = threadGroup.Key;
-
-            // Compute the base Y position for this thread
-            float threadBaseY = baseY;
-
-            // Calculate the maximum height for this thread's flame graph
-            float threadHeight = (threadMaxDepths[threadId] + 1) * (barHeight + barPadding);
-
-            // Draw the alternating background for each thread row
-            uint backgroundColor = ImGui.ColorConvertFloat4ToU32(alternate ? new Vector4(0.2f, 0.2f, 0.2f, 1f) : new Vector4(0.1f, 0.1f, 0.1f, 1f));
-            drawList.AddRectFilled(new Vector2(windowPos.X, threadBaseY), new Vector2(windowPos.X + contentWidth, threadBaseY + threadHeight), backgroundColor);
-
-            alternate = !alternate;
-
-            // Draw each root node in the group (one per thread)
-            foreach (Profiler.ScopeNode rootNode in threadGroup)
-            {
-                RenderNode(drawList, rootNode, startTime, totalDuration, windowPos.X, threadBaseY, 0, contentWidth, false);
-            }
-
-            // Move to the next thread's row (max depth * height per level)
-            baseY += (threadMaxDepths[threadId] + 1) * (barHeight + barPadding);
-        }
-
-        // Ensure that ImGui knows the size of the content.
-        ImGui.Dummy(new Vector2(contentWidth, baseY));
-
-        ImGui.EndChild();
-    }
-
-    private static void RenderNode(ImDrawListPtr drawList, Profiler.ScopeNode node, double startTime, double totalDuration, float startX, float baseY, int depth, float contentWidth, bool alternate)
-    {
-        if (node == null) return;
-
-        double nodeStartTime = node.StartTime - startTime;
-        double nodeEndTime = node.EndTime - startTime;
-        double nodeDuration = nodeEndTime - nodeStartTime;
-
-        // Calculate the position and width of the bar based on time
-        float xPos = (float)(startX + (nodeStartTime / totalDuration) * contentWidth);
-        float width = (float)((nodeDuration / totalDuration) * contentWidth);
-
-        // Calculate the Y position based on depth
-        float yPos = baseY + (depth * (barHeight + barPadding)) + (barPadding * 0.5f);
-
-        // Define the rectangle bounds for the node
-        Vector2 min = new Vector2(xPos, yPos);
-        Vector2 max = new Vector2(xPos + width, yPos + barHeight);
-
-        // Define color.
-        Vector4 barColor = alternate ? new Vector4(0.4f, 0.6f, 0.9f, 1f) : new Vector4(0.4f, 0.5f, 0.8f, 1f);
-        Vector4 textColor = new Vector4(1f, 1f, 1f, 1f);
-
-        if (depth != 0)
-        {
-            // Draw the bar for the node (colored based on thread depth)
-            drawList.AddRectFilled(min, max, ImGui.ColorConvertFloat4ToU32(barColor));
-
-            // Draw the label if it fits inside the bar
-            string label = $"{node.Label} ({node.ElapsedMilliseconds():0.000} ms)";
-            if (width > ImGui.CalcTextSize(label).X)
-            {
-                drawList.AddText(new Vector2(xPos + barPadding, yPos + barPadding), ImGui.ColorConvertFloat4ToU32(textColor), label);
-            }
-
-            // Add tooltip on hover
-            if (ImGui.IsMouseHoveringRect(min, max))
-            {
-                // Show tooltip when hovering over the node
-                ImGui.BeginTooltip();
-                ImGui.Text($"{node.Label}");
-                ImGui.Text($"{node.ElapsedMilliseconds():0.000} ms");
-                ImGui.Text($"{node.ManagedThreadId}");
-                ImGui.EndTooltip();
-            }
-        }
-        else
-        {
-            // Aka root node.
-            string label = $"{node.Label}";
-            drawList.AddText(new Vector2(startX + barPadding, yPos + barPadding), ImGui.ColorConvertFloat4ToU32(textColor), label);
-        }
-
-        // Draw each child node under this node
-        foreach (Profiler.ScopeNode child in node.Children)
-        {
-            alternate = !alternate;
-            RenderNode(drawList, child, startTime, totalDuration, startX, baseY, depth + 1, contentWidth, alternate);
-        }
-    }
-
-    // Recursive function to calculate the maximum depth of the node tree
-    private static int GetMaxDepth(Profiler.ScopeNode node, int currentDepth)
-    {
-        if (node.Children == null || node.Children.Count == 0)
-        {
-            return currentDepth;
-        }
-
-        int maxDepth = currentDepth;
-        foreach (Profiler.ScopeNode child in node.Children)
-        {
-            maxDepth = Math.Max(maxDepth, GetMaxDepth(child, currentDepth + 1));
-        }
-        return maxDepth;
-    }
-}

Nerfed.Runtime/Serialization/ComponentHelper.cs

@@ -1,68 +0,0 @@
-using System.Numerics;
-using ImGuiNET;
-using MoonTools.ECS;
-using Nerfed.Runtime.Components;
-
-namespace Nerfed.Runtime.Serialization;
-
-public static class ComponentHelper
-{
-    // Auto generate this.
-    public static readonly Dictionary<Type, Func<World, Entity, ValueType>> GetComponentByType = new()
-    {
-        { typeof(LocalTransform), (world, entity) => world.Get<LocalTransform>(entity) },
-        { typeof(Root), (world, entity) => world.Get<Root>(entity) },
-    };
-    
-    // Auto generate this.
-    public static readonly Dictionary<Type, Action<World, Entity, ValueType>> SetComponentByType = new()
-    {
-        { typeof(LocalTransform), (world, entity, component) => world.Set(entity, (LocalTransform)component) },
-        { typeof(Root), (world, entity, component) => world.Set(entity, (Root)component) },
-    };
-    
-    // Auto generate this, but it should only contain user assignable components (so something like 'root' should be excluded).
-    // Maybe use an attribute for this.
-    public static readonly Dictionary<Type, Action<World, Entity>> AddComponentByType = new()
-    {
-        { typeof(LocalTransform), (world, entity) => world.Set(entity, LocalTransform.Identity) },
-    };
-
-    // Auto generate this, but also keep the option for 'custom inspectors'.
-    // Maybe via attribute?
-    public static readonly Dictionary<Type, Action<World, Entity>> ComponentInspectorByType = new()
-    {
-        {
-            typeof(LocalTransform), (world, entity) =>
-            {
-                (Vector3 position, Quaternion rotation, Vector3 scale) = world.Get<LocalTransform>(entity);
-                Vector3 eulerAngles = MathEx.ToEulerAngles(rotation);
-                eulerAngles = new Vector3(float.RadiansToDegrees(eulerAngles.X), float.RadiansToDegrees(eulerAngles.Y), float.RadiansToDegrees(eulerAngles.Z));
-                bool isDirty = false;
-                
-                ImGui.BeginGroup();
-                ImGui.Text($"{nameof(LocalTransform)}");
-                isDirty |= ImGui.DragFloat3("Position", ref position, 0.2f, float.MinValue, float.MaxValue /*, "%f0 m" */); // TODO: right format.
-                isDirty |= ImGui.DragFloat3("Rotation", ref eulerAngles);
-                isDirty |= ImGui.DragFloat3("Scale", ref scale);
-                ImGui.EndGroup();
-
-                if (!isDirty)
-                {
-                    return;
-                }
-
-                eulerAngles = new Vector3(float.DegreesToRadians(eulerAngles.X), float.DegreesToRadians(eulerAngles.Y), float.DegreesToRadians(eulerAngles.Z));
-                world.Set(entity, new LocalTransform(position, MathEx.ToQuaternion(eulerAngles), scale));
-            }
-        },
-        {
-            typeof(Root), (world, entity) =>
-            {
-                ImGui.BeginGroup();
-                ImGui.Text($"{nameof(Root)}");
-                ImGui.EndGroup();
-            }
-        },
-    };
-}

Nerfed.Runtime/Systems/LocalToWorldSystem.cs

@@ -1,95 +0,0 @@
-using MoonTools.ECS;
-using Nerfed.Runtime.Components;
-using Nerfed.Runtime.Util;
-using System.Numerics;
-
-// TODO:
-// Explore if having a WorldTransform and LocalTransfom component each holding position, rotation, scale values and the matricies is useful.
-// Often you need to either get or set these values.
-// If so, we probably need a utility funciton to do so. Since changing these values means that we need to update all the related data + children as well.
-
-// TODO:
-// When modifying transform all the children need to be updated as well.
-
-namespace Nerfed.Runtime.Systems
-{
-    public class LocalToWorldSystem : MoonTools.ECS.System
-    {
-        private readonly bool useParallelFor = true; // When having a low amount of transforms or when in debug mode this might be slower.
-        private readonly Filter rootEntitiesFilter;
-        private readonly Filter entitiesWithoutLocalToWorldFilter;
-        private readonly Action<int> updateWorldTransform;
-
-        public LocalToWorldSystem(World world) : base(world)
-        {
-            rootEntitiesFilter = FilterBuilder.Include<LocalTransform>().Exclude<Child>().Build();
-            if (useParallelFor)
-            {
-                entitiesWithoutLocalToWorldFilter = FilterBuilder.Include<LocalTransform>().Exclude<LocalToWorld>().Build();
-                updateWorldTransform = UpdateWorldTransformByIndex;
-            }
-        }
-
-        public override void Update(TimeSpan delta)
-        {
-            if (rootEntitiesFilter.Empty)
-            {
-                return;
-            }
-
-            if (useParallelFor)
-            {
-                Profiler.BeginSample("ParallelFor.LocalToWorldCheck");
-                // This check is needed because some entities might not have a LocalToWorld component yet.
-                // Adding this during the loop will break.
-                foreach (Entity entity in entitiesWithoutLocalToWorldFilter.Entities) {
-                    Set(entity, new LocalToWorld(Matrix4x4.Identity));
-                }
-                Profiler.EndSample();
-
-                Profiler.BeginSample("ParallelFor.LocalToWorldUpdate");
-                // This should only be used when the filter doesn't change by executing these functions!
-                // So no entity deletion or setting/removing of components used by the filters in this loop.
-                Parallel.For(0, rootEntitiesFilter.Count, updateWorldTransform);
-                Profiler.EndSample();
-            }
-            else
-            {
-                foreach (Entity entity in rootEntitiesFilter.Entities)
-                {
-                    Profiler.BeginSample("UpdateWorldTransform");
-                    UpdateWorldTransform(entity, Matrix4x4.Identity);
-                    Profiler.EndSample();
-                }
-            }
-        }
-
-        private void UpdateWorldTransformByIndex(int entityFilterIndex)
-        {
-            Profiler.BeginSample("UpdateWorldTransformByIndex");
-            Entity entity = rootEntitiesFilter.NthEntity(entityFilterIndex);
-            UpdateWorldTransform(entity, Matrix4x4.Identity);
-            Profiler.EndSample();
-        }
-
-        private void UpdateWorldTransform(in Entity entity, Matrix4x4 localToWorldMatrix)
-        {
-            // TODO: Only update dirty transforms.
-            // If a parent is dirty all the children need to update their localToWorld matrix.
-            // How do we check if something is dirty? How do we know if a LocalTransform has been changed?
-            if (Has<LocalTransform>(entity))
-            {
-                LocalTransform localTransform = Get<LocalTransform>(entity);
-                localToWorldMatrix = Matrix4x4.Multiply(localToWorldMatrix, localTransform.TRS());
-                LocalToWorld localToWorld = new(localToWorldMatrix);
-                Set(entity, localToWorld);
-            }
-
-            ReverseSpanEnumerator<Entity> childEntities = World.InRelations<ChildParentRelation>(entity);
-            foreach (Entity childEntity in childEntities)
-            {
-                UpdateWorldTransform(childEntity, localToWorldMatrix);
-            }
-        }
-    }
-}

Nerfed.Runtime/Util/BoundedQueue.cs

@@ -1,73 +0,0 @@
-using System.Collections;
-
-namespace Nerfed.Runtime;
-
-public class BoundedQueue<T> : IEnumerable<T>, ICollection, IReadOnlyCollection<T>
-{
-    private readonly Queue<T> queue = null;
-    private readonly int maxSize = 10;
-    private T lastAddedElement;
-
-    public BoundedQueue(int maxSize)
-    {
-        this.maxSize = maxSize;
-        queue = new Queue<T>(maxSize);
-    }
-
-    public void Enqueue(T item)
-    {
-        queue.Enqueue(item);
-        if (queue.Count > maxSize)
-        {
-            queue.Dequeue(); // Remove the oldest element
-        }
-
-        lastAddedElement = item;
-    }
-
-    public T Dequeue()
-    {
-        return queue.Dequeue();
-    }
-
-    public T Peek()
-    {
-        return queue.Peek();
-    }
-
-    public T LastAddedElement()
-    {
-        return lastAddedElement;
-    }
-
-    public void Clear()
-    {
-        queue.Clear();
-    }
-
-    public bool Contains(T item)
-    {
-        return queue.Contains(item);
-    }
-
-    public IEnumerator<T> GetEnumerator()
-    {
-        return queue.GetEnumerator();
-    }
-
-    IEnumerator IEnumerable.GetEnumerator()
-    {
-        return queue.GetEnumerator();
-    }
-
-    public void CopyTo(Array array, int index)
-    {
-        ((ICollection)queue).CopyTo(array, index);
-    }
-
-    public int Count => queue.Count;
-    public int Capacity => maxSize;
-    public bool IsSynchronized => ((ICollection)queue).IsSynchronized;
-    public object SyncRoot => ((ICollection)queue).SyncRoot;
-    int IReadOnlyCollection<T>.Count => queue.Count;
-}

Nerfed.Runtime/Util/MathEx.cs

@@ -1,5 +1,3 @@
-using System.Numerics;
-
 namespace Nerfed.Runtime;
 
 public static class MathEx
@@ -19,51 +17,4 @@ public static float Denormalize(float value, float newMin, float newMax) {
     public static float Remap(float value, float oldMin, float oldMax, float newMin, float newMax) {
         return (value - oldMin) / (oldMax - oldMin) * (newMax - newMin) + newMin;
     }
-    
-    // https://stackoverflow.com/questions/70462758/c-sharp-how-to-convert-quaternions-to-euler-angles-xyz
-    public static Quaternion ToQuaternion(Vector3 v)
-    {
-        float cy = (float)Math.Cos(v.Z * 0.5);
-        float sy = (float)Math.Sin(v.Z * 0.5);
-        float cp = (float)Math.Cos(v.Y * 0.5);
-        float sp = (float)Math.Sin(v.Y * 0.5);
-        float cr = (float)Math.Cos(v.X * 0.5);
-        float sr = (float)Math.Sin(v.X * 0.5);
-
-        return new Quaternion
-        {
-            W = (cr * cp * cy + sr * sp * sy),
-            X = (sr * cp * cy - cr * sp * sy),
-            Y = (cr * sp * cy + sr * cp * sy),
-            Z = (cr * cp * sy - sr * sp * cy),
-        };
-    }
-
-    public static Vector3 ToEulerAngles(Quaternion q)
-    {
-        Vector3 angles = new();
-
-        // roll / x
-        double sinrCosp = 2 * (q.W * q.X + q.Y * q.Z);
-        double cosrCosp = 1 - 2 * (q.X * q.X + q.Y * q.Y);
-        angles.X = (float)Math.Atan2(sinrCosp, cosrCosp);
-
-        // pitch / y
-        double sinp = 2 * (q.W * q.Y - q.Z * q.X);
-        if (Math.Abs(sinp) >= 1)
-        {
-            angles.Y = (float)Math.CopySign(Math.PI / 2, sinp);
-        }
-        else
-        {
-            angles.Y = (float)Math.Asin(sinp);
-        }
-
-        // yaw / z
-        double sinyCosp = 2 * (q.W * q.Z + q.X * q.Y);
-        double cosyCosp = 1 - 2 * (q.Y * q.Y + q.Z * q.Z);
-        angles.Z = (float)Math.Atan2(sinyCosp, cosyCosp);
-
-        return angles;
-    }
 }

Nerfed.Runtime/Util/RandomId.cs

@@ -1,13 +0,0 @@
-using System.Security.Cryptography;
-
-namespace Nerfed.Runtime.Util;
-
-public static class RandomId
-{
-    public static uint GenerateSecureRandomUInt()
-    {
-        byte[] buffer = new byte[4];
-        RandomNumberGenerator.Fill(buffer);
-        return BitConverter.ToUInt32(buffer, 0);
-    }
-}

Nerfed.Runtime/Util/Transform.cs

@@ -1,99 +0,0 @@
-using MoonTools.ECS;
-using Nerfed.Runtime.Components;
-using System.Collections.Generic;
-using System.Numerics;
-
-namespace Nerfed.Runtime.Util
-{
-    // https://github.com/needle-mirror/com.unity.entities/blob/master/Unity.Transforms/TransformHelpers.cs
-    public static class Transform
-    {
-        public static Vector3 Forward(in this Matrix4x4 matrix) => new Vector3(matrix.M31, matrix.M32, matrix.M33);
-        public static Vector3 Back(in this Matrix4x4 matrix) => -matrix.Forward();
-        public static Vector3 Up(in this Matrix4x4 matrix) => new Vector3(matrix.M21, matrix.M22, matrix.M23);
-        public static Vector3 Down(in this Matrix4x4 matrix) => -matrix.Up();
-        public static Vector3 Right(in this Matrix4x4 matrix) => new Vector3(matrix.M11, matrix.M12, matrix.M13);
-        public static Vector3 Left(in this Matrix4x4 matrix) => -matrix.Right();
-        //public static Vector3 Translation(in this Matrix4x4 matrix) => new Vector3();
-        //public static Quaternion Rotation(in this Matrix4x4 matrix) => new Quaternion();
-
-        public static Matrix4x4 TRS(in this LocalTransform localTransform)
-        {
-            return Matrix4x4.CreateScale(localTransform.scale) *
-                Matrix4x4.CreateFromQuaternion(localTransform.rotation) *
-                Matrix4x4.CreateTranslation(localTransform.position);
-        }
-
-        // Sets the parent child relation and adds a child component.
-        // Relation goes from child to parent.
-        public static void SetParent(in World world, in Entity child, in Entity parent)
-        {
-            RemoveParent(world, child);
-
-            world.Relate(child, parent, new ChildParentRelation());
-            world.Set(child, new Child());
-            world.Remove<Root>(child);
-            return;
-        }
-
-        // Removes any parent child relation ship, thus making it a 'root' object.
-        public static void RemoveParent(in World world, in Entity child)
-        {
-            if (!world.HasOutRelation<ChildParentRelation>(child))
-            {
-                return;
-            }
-
-            Entity parent = world.OutRelationSingleton<ChildParentRelation>(child);
-
-            // TODO: Check if Unrelate all also unrelates incomming relations..?
-            world.Unrelate<ChildParentRelation>(child, parent);
-            world.Remove<Child>(child);
-            world.Set(child, new Root());
-        }
-
-        public static Entity CreateBaseEntity(this World world, string tag = "")
-        {
-            Entity entity = world.CreateEntity(tag);
-            world.Set(entity, new Root());
-            return entity;
-        }
-
-        // Force update the transform data of an entity (and children).
-        // Useful for when you need precise up to date transform data.
-        public static void ForceUpdateLocalToWorld(in World world, in Entity entity)
-        {
-            Matrix4x4 parentLocalToWorldMatrix = Matrix4x4.Identity;
-
-            if (world.HasOutRelation<ChildParentRelation>(entity)) {
-                Entity parent = world.OutRelationSingleton<ChildParentRelation>(entity);
-
-                if (world.Has<LocalToWorld>(parent))
-                {
-                    parentLocalToWorldMatrix = world.Get<LocalToWorld>(parent).localToWorldMatrix;
-                }
-            }
-
-            ForceUpdateLocalToWorld(world, entity, parentLocalToWorldMatrix);
-        }
-
-        private static void ForceUpdateLocalToWorld(in World world, in Entity entity, Matrix4x4 localToWorldMatrix)
-        {
-            if (world.Has<LocalTransform>(entity))
-            {
-                LocalTransform localTransform = world.Get<LocalTransform>(entity);
-                localToWorldMatrix = Matrix4x4.Multiply(localToWorldMatrix, localTransform.TRS());
-                LocalToWorld localToWorld = new(localToWorldMatrix);
-                world.Set(entity, localToWorld);
-
-                Log.Info($"Entity {entity} | local position {localTransform.position} | world position {localToWorldMatrix.Translation}");
-            }
-
-            ReverseSpanEnumerator<Entity> childEntities = world.InRelations<ChildParentRelation>(entity);
-            foreach (Entity childEntity in childEntities)
-            {
-                ForceUpdateLocalToWorld(world, childEntity, localToWorldMatrix);
-            }
-        }
-    }
-}

Nerfed.sln

@@ -5,38 +5,54 @@ VisualStudioVersion = 17.10.35013.160
 MinimumVisualStudioVersion = 10.0.40219.1
 Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "Nerfed.Runtime", "Nerfed.Runtime\Nerfed.Runtime.csproj", "{98E09BAF-587F-4238-89BD-7693C036C233}"
 EndProject
-Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Nerfed.Builder", "Nerfed.Builder\Nerfed.Builder.csproj", "{1B88DE56-2AD8-441E-9B10-073AA43840BF}"
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "Nerfed.Builder", "Nerfed.Builder\Nerfed.Builder.csproj", "{1B88DE56-2AD8-441E-9B10-073AA43840BF}"
 EndProject
-Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Nerfed.Editor", "Nerfed.Editor\Nerfed.Editor.csproj", "{FF7D032D-7F0B-4700-A818-0606D66AECF8}"
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "Nerfed.Editor", "Nerfed.Editor\Nerfed.Editor.csproj", "{FF7D032D-7F0B-4700-A818-0606D66AECF8}"
 	ProjectSection(ProjectDependencies) = postProject
 		{1B88DE56-2AD8-441E-9B10-073AA43840BF} = {1B88DE56-2AD8-441E-9B10-073AA43840BF}
 	EndProjectSection
 EndProject
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "Nerfed.Compiler", "Nerfed.Compiler\Nerfed.Compiler.csproj", "{3DFEB8A4-5354-41EA-A249-27ADC7F666CF}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Nerfed.Runtime.Generator", "Nerfed.Runtime.Generator\Nerfed.Runtime.Generator.csproj", "{8743FDEF-4FF6-48F9-9F64-7BDEC543C105}"
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
-		Test|x64 = Test|x64
-		Release|x64 = Release|x64
 		Debug|x64 = Debug|x64
+		Release|x64 = Release|x64
+		Test|x64 = Test|x64
 	EndGlobalSection
 	GlobalSection(ProjectConfigurationPlatforms) = postSolution
-		{1B88DE56-2AD8-441E-9B10-073AA43840BF}.Test|x64.ActiveCfg = Test|x64
-		{1B88DE56-2AD8-441E-9B10-073AA43840BF}.Test|x64.Build.0 = Test|x64
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 		{98E09BAF-587F-4238-89BD-7693C036C233}.Debug|x64.Build.0 = Debug|x64
+		{98E09BAF-587F-4238-89BD-7693C036C233}.Release|x64.ActiveCfg = Release|x64
+		{98E09BAF-587F-4238-89BD-7693C036C233}.Release|x64.Build.0 = Release|x64
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+		{98E09BAF-587F-4238-89BD-7693C036C233}.Test|x64.Build.0 = Test|x64
+		{1B88DE56-2AD8-441E-9B10-073AA43840BF}.Debug|x64.ActiveCfg = Debug|x64
+		{1B88DE56-2AD8-441E-9B10-073AA43840BF}.Debug|x64.Build.0 = Debug|x64
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+		{1B88DE56-2AD8-441E-9B10-073AA43840BF}.Release|x64.Build.0 = Release|x64
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+		{1B88DE56-2AD8-441E-9B10-073AA43840BF}.Test|x64.Build.0 = Test|x64
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+		{FF7D032D-7F0B-4700-A818-0606D66AECF8}.Debug|x64.Build.0 = Debug|x64
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+		{FF7D032D-7F0B-4700-A818-0606D66AECF8}.Release|x64.Build.0 = Release|x64
+		{FF7D032D-7F0B-4700-A818-0606D66AECF8}.Test|x64.ActiveCfg = Test|x64
+		{FF7D032D-7F0B-4700-A818-0606D66AECF8}.Test|x64.Build.0 = Test|x64
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+		{3DFEB8A4-5354-41EA-A249-27ADC7F666CF}.Debug|x64.Build.0 = Debug|x64
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+		{3DFEB8A4-5354-41EA-A249-27ADC7F666CF}.Release|x64.Build.0 = Release|x64
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+		{8743FDEF-4FF6-48F9-9F64-7BDEC543C105}.Test|x64.Build.0 = Test|x64
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE