Tried EntityEditor in C#

ScriptCore/Editor/EntityEditor.cs

@@ -0,0 +1,130 @@
+using System;
+using System.Collections.Generic;
+using System.Reflection;
+using System.Text;
+using GlitchyEngine.Core;
+using ImGuiNET;
+
+namespace GlitchyEngine.Editor;
+
+internal class EntityEditor
+{
+    public static bool ShowFieldInEditor(FieldInfo fieldInfo)
+    {
+        if (fieldInfo.IsPublic)
+            return true;
+
+        var showInEditorAttribute = fieldInfo.GetCustomAttribute<ShowInEditorAttribute>();
+
+        if (showInEditorAttribute != null)
+            return true;
+
+        return false;
+    }
+    
+    public static void ShowDefaultEntityEditor(UUID entityId, Type entityType)
+    {
+        object instance = ScriptGlue.Entity_GetScriptInstance(entityId);
+
+        ShowEditor(entityType, instance);
+    }
+
+    public static void ShowEditor(Type type, object reference)
+    {
+        T GetValue<T>(FieldInfo fieldInfo)
+        {
+            return default;
+        }
+
+        int i = 0;
+
+        foreach (FieldInfo field in type.GetFields(BindingFlags.Instance | BindingFlags.NonPublic | BindingFlags.Public))
+        {
+            i++;
+            ImGui.PushID(i);
+
+            if (ShowFieldInEditor(field))
+            {
+                Type fieldType = field.FieldType;
+
+                if (fieldType.IsGenericType)
+                {
+                    if (fieldType.GetGenericTypeDefinition() == typeof(List<>))
+                    {
+                        ImGui.Text($"{field.Name} List");
+                    }
+                    else if (fieldType.GetGenericTypeDefinition() == typeof(Dictionary<,>))
+                    {
+                        ImGui.Text($"{field.Name} Dictionary");
+                    }
+                }
+                else if (fieldType.IsArray)
+                {
+                    ImGui.Text($"{field.Name} Array");
+                }
+                else if (fieldType.IsEnum)
+                {
+                    ImGui.Text($"{field.Name} Enum");
+                }
+                else if (fieldType.IsPrimitive)
+                {
+                    ImGui.Text($"{field.Name} Primitive");
+
+                    if (reference != null)
+                    {
+                        if (fieldType == typeof(float))
+                        {
+                            float f = (float)field.GetValue(reference);
+                            if (ImGui.DragFloat(field.Name, ref f))
+                            {
+                                field.SetValue(reference, f);
+                            }
+                        }
+                    }
+                }
+                else if (fieldType.IsValueType)
+                {
+                    // Struct
+                    if (ImGui.TreeNode(field.Name))
+                    {
+                        object @struct = (reference != null) ? field.GetValue(reference) : null;
+
+                        ShowEditor(fieldType, @struct);
+
+                        if (@struct != null)
+                        {
+                            field.SetValue(reference, @struct);
+                        }
+
+                        ImGui.TreePop();
+                    }
+                        
+                }
+                else if (fieldType.IsSubclassOf(typeof(Entity)) || fieldType == typeof(Entity))
+                {
+                    // TODO: Show entity drop target
+                    ImGui.Text($"{field.Name} Entity ({fieldType.Name})");
+                }
+                else if (fieldType.IsSubclassOf(typeof(Component)))
+                {
+                    // TODO: Show component drop target
+                    ImGui.Text($"{field.Name} Component ({fieldType.Name})");
+                }
+                else
+                {
+                    if (ImGui.TreeNode(field.Name))
+                    {
+                        // TODO: Button to create / destroy instance
+                        
+                        object @class = (reference != null) ? field.GetValue(reference) : null;
+
+                        ShowEditor(fieldType, @class);
+                        ImGui.TreePop();
+                    }
+                }
+            }
+            
+            ImGui.PopID();
+        }
+    }
+}

ScriptCore/Extensions/EnumExtension.cs

@@ -0,0 +1,10 @@
+using System.Collections.Generic;
+using System.Linq;
+
+namespace GlitchyEngine.Extensions;
+
+public static class EnumExtension
+{
+    public static IEnumerable<(T item, int index)> WithIndex<T>(this IEnumerable<T> self)       
+        => self.Select((item, index) => (item, index));
+}

ScriptCore/ScriptCore.csproj

@@ -18,6 +18,7 @@
 
   <ItemGroup>
     <ProjectReference Include="..\ScriptCoreGenerator\ScriptCoreGenerator.csproj" OutputItemType="Analyzer" ReferenceOutputAssembly="false" />
+    <ProjectReference Include="..\vendor\ImGui.NET\src\ImGui.NET\ImGui.NET.csproj" />
   </ItemGroup>
 
 </Project>

ScriptCore/ScriptCore.sln

@@ -3,7 +3,11 @@ Microsoft Visual Studio Solution File, Format Version 12.00
 # Visual Studio Version 17
 VisualStudioVersion = 17.6.33723.286
 MinimumVisualStudioVersion = 10.0.40219.1
-Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "ScriptCore", "ScriptCore.csproj", "{454CBEB0-2425-47B4-B75B-BE11EAF56E34}"
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "ScriptCore", "ScriptCore.csproj", "{454CBEB0-2425-47B4-B75B-BE11EAF56E34}"
+EndProject
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "ScriptCoreGenerator", "..\ScriptCoreGenerator\ScriptCoreGenerator.csproj", "{5E8CE036-B41E-4382-AC53-7F9A39ED529D}"
+EndProject
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "ImGui.NET", "..\vendor\ImGui.NET\src\ImGui.NET\ImGui.NET.csproj", "{9D60C9CF-044C-4F2D-ADF0-B5A60BE3DADB}"
 EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
@@ -15,6 +19,14 @@ Global
 		{454CBEB0-2425-47B4-B75B-BE11EAF56E34}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{454CBEB0-2425-47B4-B75B-BE11EAF56E34}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{454CBEB0-2425-47B4-B75B-BE11EAF56E34}.Release|Any CPU.Build.0 = Release|Any CPU
+		{5E8CE036-B41E-4382-AC53-7F9A39ED529D}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{5E8CE036-B41E-4382-AC53-7F9A39ED529D}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{5E8CE036-B41E-4382-AC53-7F9A39ED529D}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{5E8CE036-B41E-4382-AC53-7F9A39ED529D}.Release|Any CPU.Build.0 = Release|Any CPU
+		{9D60C9CF-044C-4F2D-ADF0-B5A60BE3DADB}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{9D60C9CF-044C-4F2D-ADF0-B5A60BE3DADB}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{9D60C9CF-044C-4F2D-ADF0-B5A60BE3DADB}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{9D60C9CF-044C-4F2D-ADF0-B5A60BE3DADB}.Release|Any CPU.Build.0 = Release|Any CPU
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE