Add and implement interfaces for systems (ISystem, IUpdatableSystem, etc.), move Color to Utils, rename Handlers/Renderers/Backends to System, move input related classes to an Input subfolder.

TestGame/Circle2d.cs

@@ -5,7 +5,7 @@ namespace Voile;
 
 public class Circle2d : Drawable2d
 {
-    public override void OnDraw(Renderer renderer)
+    public override void OnDraw(RenderSystem renderer)
     {
         renderer.DrawCircle(32f, Color.AliceBlue);
     }

TestGame/TestGame.cs

@@ -12,8 +12,8 @@ public class TestGame : Game
     {
         InitializeDefault();
 
-        _audioBackend = new FmodAudioBackend();
-        _audioBackend.Initialize();
+        _audioSystem = new FmodAudioSystem();
+        _audioSystem.Start();
     }
 
     protected override void LoadResources()
@@ -39,7 +39,7 @@ public class TestGame : Game
         _scene = new Scene(new SceneSettings()
         {
             Renderer = Renderer,
-            AudioBackend = _audioBackend!,
+            AudioBackend = _audioSystem!,
             InputHandler = Input,
             ResourceManager = ResourceManager
         });
@@ -47,7 +47,7 @@ public class TestGame : Game
         _uiLayer = new UiLayer();
         _worldLayer = new EntityLayer();
 
-        _testSoundInstance = _audioBackend!.CreateInstance(_testSound!);
+        _testSoundInstance = _audioSystem!.CreateInstance(_testSound!);
 
         Input.AddInputMapping("play", new InputAction[] { new KeyInputAction(KeyboardKey.Spacebar) });
         Input.AddInputMapping("sprint", new InputAction[] { new KeyInputAction(KeyboardKey.LeftShift) });
@@ -82,13 +82,13 @@ public class TestGame : Game
     public override void Shutdown()
     {
         ShutdownDefault();
-        _audioBackend!.Dispose();
+        _audioSystem!.Dispose();
     }
 
     private Sound? _testSound;
     private SoundInstance? _testSoundInstance;
     private Font? _font;
-    private FmodAudioBackend? _audioBackend;
+    private FmodAudioSystem? _audioSystem;
     private Scene? _scene;
 
     private UiLayer? _uiLayer;

TestGame/UiLayer.cs

@@ -22,17 +22,17 @@ public class UiLayer : Layer
         _screenContainer.UpdateRect(Vector2.Zero, Scene.Renderer.WindowSize);
     }
 
-    protected override void OnBeginDraw(Renderer renderer)
+    protected override void OnBeginDraw(RenderSystem renderer)
     {
 
     }
 
-    protected override void OnDraw(Renderer renderer)
+    protected override void OnDraw(RenderSystem renderer)
     {
         _screenContainer.Render(renderer);
     }
 
-    protected override void OnEndDraw(Renderer renderer)
+    protected override void OnEndDraw(RenderSystem renderer)
     {
 
     }

TestGame/World.cs

@@ -15,7 +15,7 @@ public class World : Drawable2d
             _randomPositions[i] = MathUtils.RandomVector2(Position, Vector2.One * 2048f);
         }
     }
-    public override void OnDraw(Renderer renderer)
+    public override void OnDraw(RenderSystem renderer)
     {
         for (int i = 0; i < _rectangleAmount; i++)
         {