EditorGui setup

Nerfed.Editor/Editor/EditorGui.cs

@@ -1,30 +1,71 @@
-namespace Nerfed.Editor.Editor
+using ImGuiNET;
+using Nerfed.Runtime;
+using Nerfed.Runtime.Graphics;
+using Nerfed.Runtime.Gui;
+
+namespace Nerfed.Editor
 {
     internal static class EditorGui
     {
+        private static GuiController guiController;
+
         internal static void Initialize()
         {
             // Create GuiController.
-
+            guiController = new GuiController(Engine.GraphicsDevice, Engine.MainWindow, Color.DimGray);
             // Subscribe to GUI update.
             // GuiController.OnGui call => UpdateDock;
             // GuiController.OnGui call => UpdateEditorWindows;
             // GuiController.OnGui call => ...;
+            guiController.OnGui += HandleOnGui;
         }
 
         internal static void Update()
         {
             // Update GuiController.
+            guiController.Update(Engine.Timestep.TotalSeconds);
         }
 
         internal static void Render()
         {
             // Reneder GuiController.
+            guiController.Render();
+        }
+
+        internal static void Quit()
+        {
+            guiController.Dispose();
         }
 
         private static void UpdateDock()
         {
             // Setup default dockspace for the main window.
+            uint id = ImGui.GetID("MainDockSpace");
+            ImGui.DockSpaceOverViewport(id, ImGui.GetMainViewport(), ImGuiDockNodeFlags.None);
+        }
+
+        private static void UpdateMainMenu()
+        {
+            if (ImGui.BeginMainMenuBar())
+            {
+                if (ImGui.BeginMenu("File"))
+                {
+                    if (ImGui.MenuItem("Exit"))
+                    {
+                        Engine.Quit();
+                    }
+                    ImGui.EndMenu();
+                }
+                ImGui.EndMainMenuBar();
+            }
+        }
+
+        private static void HandleOnGui()
+        {
+            UpdateMainMenu();
+            UpdateDock();
+
+            ImGui.ShowDemoWindow();
         }
     }
 }

Nerfed.Editor/Program.cs

@@ -18,21 +18,25 @@ private static void HandleOnInitialize()
     {
         // Open project.
         // Setip EditorGui.
+        EditorGui.Initialize();
     }
 
     private static void HandleOnUpdate()
     {
         // Editor Update.
+        EditorGui.Update();
+
 
         // Try Catch UserCode Update.
     }
 
     private static void HandleOnRender()
     {
-        // Editor GUI Render.
+        EditorGui.Render();
     }
 
     private static void HandleOnQuit()
     {
+        EditorGui.Quit();
     }
 }

Nerfed.Runtime/Gui/GuiController.cs

@@ -9,7 +9,7 @@
 
 namespace Nerfed.Runtime.Gui;
 
-internal class GuiController : IDisposable
+public class GuiController : IDisposable
 {
     public event Action OnGui;
 
@@ -144,9 +144,13 @@ public GuiController(GraphicsDevice graphicsDevice, Window mainWindow, Color cle
         io.BackendFlags |= ImGuiBackendFlags.HasSetMousePos;
         io.BackendFlags |= ImGuiBackendFlags.PlatformHasViewports;
         io.BackendFlags |= ImGuiBackendFlags.RendererHasViewports;
+
+        UpdatePerFrameImGuiData(1.0 / 60.0);
+        ImGui.NewFrame();
+        frameBegun = true;
     }
 
-    public void Update(float deltaTime)
+    public void Update(double deltaTime)
     {
         if (frameBegun)
         {
@@ -167,12 +171,12 @@ public void Update(float deltaTime)
         ImGui.EndFrame();
     }
 
-    private void UpdatePerFrameImGuiData(float deltaSeconds)
+    private void UpdatePerFrameImGuiData(double deltaSeconds)
     {
         ImGuiIOPtr io = ImGui.GetIO();
         io.DisplaySize = new Vector2(mainWindow.Width, mainWindow.Height);
         io.DisplayFramebufferScale = new Vector2(1, 1);
-        io.DeltaTime = deltaSeconds; // DeltaTime is in seconds.
+        io.DeltaTime = (float)deltaSeconds; // DeltaTime is in seconds.
     }
 
     private void UpdateInput()