Create OpenGL context and clear background :)

Source/Rendering/GlRenderer.cs

@@ -1,30 +1,44 @@
 using System.Drawing;
 using System.Numerics;
 
+using Silk.NET.GLFW;
+using Silk.NET.Maths;
+using Silk.NET.OpenGL;
+
 namespace DaggerFramework.Rendering
 {
     public class GlRenderer : Renderer
     {
         public override Vector2 WindowSize => throw new NotImplementedException();
 
+        public override void Initialize(RendererSettings settings)
+        {
+
+        }
+
         public override void BeginFrame()
         {
-            throw new NotImplementedException();
+            _glfw.PollEvents();
+            _gl.Viewport(new Size((int)_windowSize.X, (int)_windowSize.Y));
+        }
+
+        public override void EndFrame()
+        {
+            // throw new NotImplementedException();
+            EndFrameUnsafe();
         }
 
         public override void ClearBackground(Color color)
         {
-            throw new NotImplementedException();
-        }
-
-        public override void CreateWindow(string title, Vector2 size)
-        {
-            throw new NotImplementedException();
+            _gl.ClearColor(color);
+            _gl.Clear((uint)ClearBufferMask.ColorBufferBit);
         }
 
+        public override void CreateWindow(string title, Vector2 size) => CreateWindowUnsafe(title, size);
         public override void CloseWindow()
         {
-            throw new NotImplementedException();
+            CloseWindowUnsafe();
+            _glfw.Terminate();
         }
 
         public override void DrawCircle(float radius, Color color)
@@ -47,19 +61,9 @@ namespace DaggerFramework.Rendering
             throw new NotImplementedException();
         }
 
-        public override void EndFrame()
-        {
-            throw new NotImplementedException();
-        }
-
         public override double GetFrameTime()
         {
-            throw new NotImplementedException();
-        }
-
-        public override void Initialize(RendererSettings settings)
-        {
-            throw new NotImplementedException();
+            return 0.0;
         }
 
         public override int LoadTexture(Texture2d texture)
@@ -74,7 +78,7 @@ namespace DaggerFramework.Rendering
 
         public override void SetTargetFps(int fps)
         {
-            throw new NotImplementedException();
+            return;
         }
 
         public override void SetTransform(Vector2 position, float rotation = 0)
@@ -89,7 +93,7 @@ namespace DaggerFramework.Rendering
 
         public override void SetWindowTitle(string title)
         {
-            throw new NotImplementedException();
+            SetWindowTitleUnsafe(title);
         }
 
         public override void SetWindowVSync(bool value)
@@ -97,9 +101,34 @@ namespace DaggerFramework.Rendering
             throw new NotImplementedException();
         }
 
-        public override bool WindowShouldClose()
+        public override bool WindowShouldClose() => WindowShouldCloseUnsafe();
+
+        private unsafe void CreateWindowUnsafe(string title, Vector2 size)
         {
-            throw new NotImplementedException();
+            _glfw = GlfwProvider.GLFW.Value;
+            _glfw.Init();
+
+            _glfw.WindowHint(WindowHintInt.ContextVersionMajor, 4);
+            _glfw.WindowHint(WindowHintInt.ContextVersionMinor, 6);
+            _windowHandle = _glfw.CreateWindow((int)size.X, (int)size.Y, title, null, null);
+
+            _glfw.MakeContextCurrent(_windowHandle);
+            _gl = GL.GetApi(_glfw.GetProcAddress);
+            _glfw.SwapInterval(1);
+
+            _windowSize = size;
         }
+        private unsafe void CloseWindowUnsafe() => _glfw.DestroyWindow(_windowHandle);
+        private unsafe bool WindowShouldCloseUnsafe() => _glfw.WindowShouldClose(_windowHandle);
+        private unsafe void SetWindowTitleUnsafe(string title) => _glfw.SetWindowTitle(_windowHandle, title);
+        private unsafe void EndFrameUnsafe()
+        {
+            _glfw.SwapBuffers(_windowHandle);
+        }
+
+        private GL _gl;
+        private Glfw _glfw;
+        private unsafe WindowHandle* _windowHandle;
+        private Vector2 _windowSize;
     }
 }

Source/Scene.cs

@@ -69,7 +69,7 @@ namespace DaggerFramework
 
         private void SetupRenderer()
         {
-            Renderer.CreateWindow("RogueMine", new Vector2(1280, 720));
+            Renderer.CreateWindow("Game", new Vector2(1280, 720));
             Renderer.Initialize(new RendererSettings { Msaa = Msaa.Msaa4x, UseVSync = true });
             Renderer.SetTargetFps(60);
         }

TestGame/Program.cs

@@ -0,0 +1,8 @@
+class Program
+{
+    static void Main(string[] args)
+    {
+        var game = new TestGame();
+        game.Start();
+    }
+}

TestGame/TestGame.cs

@@ -0,0 +1,35 @@
+using DaggerFramework;
+using DaggerFramework.Audio;
+using DaggerFramework.Rendering;
+
+public class TestGame : Game
+{
+    public override void Shutdown() => scene.Renderer.CloseWindow();
+    protected override void OnStart()
+    {
+        _renderer = new GlRenderer();
+        _inputHandler = new RaylibInputHandler();
+
+        scene = new Scene(_renderer, _inputHandler, new DummyAudioBackend());
+
+        var mainGameLayer = new EntityLayer();
+        scene.AddLayer("World", mainGameLayer);
+
+        scene.Init();
+        scene.Start();
+
+        MainLoop();
+    }
+
+    protected override void LoadResources()
+    {
+
+    }
+
+    protected override void MainLoop()
+    {
+        while (!scene.ShouldStop()) scene.Update();
+    }
+    private GlRenderer _renderer;
+    private RaylibInputHandler _inputHandler;
+}

TestGame/TestGame.csproj

@@ -0,0 +1,15 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <OutputType>Exe</OutputType>
+    <TargetFramework>net7.0</TargetFramework>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+    <GenerateAssemblyInfo>false</GenerateAssemblyInfo>
+    <GenerateTargetFrameworkAttribute>false</GenerateTargetFrameworkAttribute>
+  </PropertyGroup>
+  <ItemGroup>
+    <ProjectReference Include="../DaggerFramework.csproj" />
+  </ItemGroup>
+
+</Project>