Very basic start on an editor.

Pulsar4X/Pulsar4X.Client/GameManagment/MainMenuItems.cs

@@ -8,6 +8,7 @@
 using System.Linq;
 using Pulsar4X.Extensions;
 using Pulsar4X.Datablobs;
+using Pulsar4X.SDL2UI.ModFileEditing;
 
 namespace Pulsar4X.SDL2UI
 {
@@ -76,6 +77,11 @@ internal override void Display()
                             SettingsWindow.GetInstance().ToggleActive();
                             this.SetActive(false);
                         }
+                        if (ImGui.Button("Editor", buttonSize))
+                        {
+                            ModFileEditor.GetInstance().ToggleActive();
+                            this.SetActive(false);
+                        }
                     }
                     ImGui.Button("Resume a Current Game", buttonSize);
                     ImGui.Button("Connect to a Network Game", buttonSize);

Pulsar4X/Pulsar4X.Client/ModFileEditing/ModFileEditor.cs

@@ -0,0 +1,134 @@
+using System;
+using System.Collections.Generic;
+using System.Numerics;
+using ImGuiNET;
+using Pulsar4X.Blueprints;
+using Pulsar4X.DataStructures;
+
+namespace Pulsar4X.SDL2UI.ModFileEditing;
+
+public class ModFileEditor : PulsarGuiWindow
+{
+    private SafeDictionary<string, TechCategoryBlueprint > _techCategoryBlueprint;
+    private int _selectedTechCat = 0;
+    private string[] _techCatNames;
+    private TechCategoryBlueprint[] _techCatBluprints;
+
+
+    private Dictionary<string, TechBlueprint> _startingTechBlueprints;
+    private int _selectedTech = 0;
+    private string[] _techNames;
+    private TechBlueprint[] _techBlueprints;
+
+    private ModFileEditor()
+    {
+
+    }
+    internal static ModFileEditor GetInstance()
+    {
+        ModFileEditor instance;
+        if (!_uiState.LoadedWindows.ContainsKey(typeof(ModFileEditor)))
+        {
+            instance = new ModFileEditor();
+            instance.refresh();
+        }
+        else
+        {
+            instance = (ModFileEditor)_uiState.LoadedWindows[typeof(ModFileEditor)];
+        }
+        return instance;
+    }
+
+    void refresh()
+    {
+        _techCategoryBlueprint = _uiState.Game.TechCategories;
+        _techCatNames = new string[_techCategoryBlueprint.Count];
+        _techCatBluprints = new TechCategoryBlueprint[_techCategoryBlueprint.Count];
+
+
+
+        int i = 0;
+        foreach (var kvp in _techCategoryBlueprint)
+        {
+            _techCatNames[i] = kvp.Key;
+            _techCatBluprints[i] = kvp.Value;
+            i++;
+        }
+
+
+        _startingTechBlueprints = _uiState.Game.StartingGameData.Techs;
+        _techNames = new string[_startingTechBlueprints.Count];
+        _techBlueprints = new TechBlueprint[_startingTechBlueprints.Count];
+
+        i = 0;
+        foreach (var kvp in _startingTechBlueprints)
+        {
+            _techNames[i] = kvp.Key;
+            _techBlueprints[i] = kvp.Value;
+            i++;
+        }
+    }
+
+
+    internal override void Display()
+    {
+
+        if (IsActive)
+        {
+            if (ImGui.Begin("Debug GUI Window", ref IsActive))
+            {
+                BorderListOptions.Begin("Tech Categores", _techCatNames, ref _selectedTechCat, 200);
+                var selectedcat = _techCatBluprints[_selectedTechCat];
+
+                ImGui.Text("Name: "); 
+                ImGui.SameLine();
+                ImGui.Text(selectedcat.Name);
+
+                ImGui.Text("Description: "); 
+                ImGui.SameLine();
+                ImGui.Text(selectedcat.Description);
+
+                BorderListOptions.End(new Vector2(400, 600));
+
+                ImGui.NewLine();
+
+                BorderListOptions.Begin("Tech Blueprints", _techNames, ref _selectedTech, 200);
+
+                var selectedTechBnt = _techBlueprints[_selectedTech];
+
+                ImGui.Text("Name: "); 
+                ImGui.SameLine();
+                ImGui.Text(selectedTechBnt.Name);
+
+                ImGui.Text("Description: "); 
+                ImGui.SameLine();
+                ImGui.Text(selectedTechBnt.Description);
+
+                ImGui.Text("Category: "); 
+                ImGui.SameLine();
+                ImGui.Text(selectedTechBnt.Category);
+
+                ImGui.Text("CostFormula: "); 
+                ImGui.SameLine();
+                ImGui.Text(selectedTechBnt.CostFormula);
+
+                ImGui.Text("DataFormula: "); 
+                ImGui.SameLine();
+                ImGui.Text(selectedTechBnt.DataFormula);
+
+                ImGui.Text("MaxLevel: "); 
+                ImGui.SameLine();
+                ImGui.Text(selectedTechBnt.MaxLevel.ToString());
+
+                ImGui.Text("Unlocks: "); 
+                ImGui.SameLine();
+                //ImGui.Text(selected.);
+
+                BorderListOptions.End(new Vector2(400, 600));
+
+            }
+
+            ImGui.End();
+        }
+    }
+}