Refactor ResourceLoader, use only Texture2d in Renderer.

TestGame/TestGame.cs

@@ -4,17 +4,31 @@ using DaggerFramework.Rendering;
 
 public class TestGame : Game
 {
+    public override string ResourceRoot => "Resources/";
     public override void Shutdown() => scene.Renderer.CloseWindow();
     protected override void OnStart()
     {
-        _renderer = new GlRenderer();
+        _renderer = new RaylibRenderer();
         _inputHandler = new RaylibInputHandler();
 
         scene = new Scene(_renderer, _inputHandler, new DummyAudioBackend());
 
         var mainGameLayer = new EntityLayer();
+
         scene.AddLayer("World", mainGameLayer);
 
+        var text = new Text2d();
+
+        text.Contents = "Hello World!";
+        text.FontSize = 32;
+
+        var sprite = new Sprite2d();
+
+        sprite.Texture = _funnyTexture;
+
+        mainGameLayer.AddEntity(text);
+        mainGameLayer.AddEntity(sprite);
+
         scene.Init();
         scene.Start();
 
@@ -23,13 +37,16 @@ public class TestGame : Game
 
     protected override void LoadResources()
     {
-
+        _funnyTexture = _textureLoader.Load($"{ResourceRoot}icon.png");
     }
 
     protected override void MainLoop()
     {
         while (!scene.ShouldStop()) scene.Update();
     }
-    private GlRenderer _renderer;
+    private Renderer _renderer;
     private RaylibInputHandler _inputHandler;
+
+    private Texture2dLoader _textureLoader = new();
+    private Texture2d? _funnyTexture;
 }