From 9f3d9b33416bc007cf747b987d19af3705220017 Mon Sep 17 00:00:00 2001
From: 4sval <asval.contactme@gmail.com>
Date: Sun, 28 Aug 2022 18:15:15 +0200
Subject: [PATCH] hello imgui

---
 FModel/FModel.csproj            |  1 +
 FModel/Views/Snooper/Snooper.cs | 26 +++++++++++++++++++++++---
 2 files changed, 24 insertions(+), 3 deletions(-)

diff --git a/FModel/FModel.csproj b/FModel/FModel.csproj
index c226e803..9b6e0217 100644
--- a/FModel/FModel.csproj
+++ b/FModel/FModel.csproj
@@ -131,6 +131,7 @@
     <PackageReference Include="Serilog.Sinks.File" Version="5.0.0" />
     <PackageReference Include="Silk.NET.Input" Version="2.16.0" />
     <PackageReference Include="Silk.NET.OpenGL" Version="2.16.0" />
+    <PackageReference Include="Silk.NET.OpenGL.Extensions.ImGui" Version="2.16.0" />
     <PackageReference Include="Silk.NET.Windowing" Version="2.16.0" />
     <PackageReference Include="SkiaSharp.HarfBuzz" Version="2.88.0" />
     <PackageReference Include="SkiaSharp.Svg" Version="1.60.0" />
diff --git a/FModel/Views/Snooper/Snooper.cs b/FModel/Views/Snooper/Snooper.cs
index 14e5dc90..6a932aac 100644
--- a/FModel/Views/Snooper/Snooper.cs
+++ b/FModel/Views/Snooper/Snooper.cs
@@ -8,6 +8,7 @@
 using Silk.NET.Input;
 using Silk.NET.Maths;
 using Silk.NET.OpenGL;
+using Silk.NET.OpenGL.Extensions.ImGui;
 using Silk.NET.Windowing;
 
 namespace FModel.Views.Snooper;
@@ -15,6 +16,8 @@ namespace FModel.Views.Snooper;
 public class Snooper
 {
     private IWindow _window;
+    private IInputContext _input;
+    private ImGuiController _controller;
     private GL _gl;
     private Camera _camera;
     private IKeyboard _keyboard;
@@ -43,6 +46,7 @@ public Snooper(UObject export)
         _window.Update += OnUpdate;
         _window.Render += OnRender;
         _window.Closing += OnClose;
+        _window.FramebufferResize += OnFramebufferResize;
 
         _grid = new Grid();
         _models = new Model[1];
@@ -79,10 +83,10 @@ private void SetupCamera(FBox box)
 
     private void OnLoad()
     {
-        var input = _window.CreateInput();
-        _keyboard = input.Keyboards[0];
+        _input = _window.CreateInput();
+        _keyboard = _input.Keyboards[0];
         _keyboard.KeyDown += KeyDown;
-        foreach (var mouse in input.Mice)
+        foreach (var mouse in _input.Mice)
         {
             mouse.Cursor.CursorMode = CursorMode.Raw;
             mouse.MouseMove += OnMouseMove;
@@ -94,6 +98,8 @@ private void OnLoad()
         _gl.Enable(EnableCap.DepthTest);
         _gl.BlendFunc(BlendingFactor.SrcAlpha, BlendingFactor.OneMinusSrcAlpha);
 
+        _controller = new ImGuiController(_gl, _window, _input);
+
         _grid.Setup(_gl);
 
         foreach (var model in _models)
@@ -102,8 +108,15 @@ private void OnLoad()
         }
     }
 
+    private void OnFramebufferResize(Vector2D<int> size)
+    {
+        _gl.Viewport(size);
+    }
+
     private void OnRender(double deltaTime)
     {
+        _controller.Update((float) deltaTime);
+
         _gl.ClearColor(0.149f, 0.149f, 0.188f, 1.0f);
         _gl.Clear((uint) ClearBufferMask.ColorBufferBit | (uint) ClearBufferMask.DepthBufferBit);
 
@@ -113,6 +126,10 @@ private void OnRender(double deltaTime)
         {
             model.Bind(_camera);
         }
+
+        ImGuiNET.ImGui.ShowAboutWindow();
+
+        _controller.Render();
     }
 
     private void OnUpdate(double deltaTime)
@@ -171,6 +188,9 @@ private void OnClose()
         {
             model.Dispose();
         }
+        _input.Dispose();
+        _controller.Dispose();
+        _gl.Dispose();
     }
 
     private void KeyDown(IKeyboard keyboard, Key key, int arg3)