WIP: UI system, containers and widgets.

TestGame/TestGame.cs

@@ -6,6 +6,9 @@ using System.Numerics;
 using System.Diagnostics.CodeAnalysis;
 using Voile.Rendering;
 using Voile.OpenAL;
+using Voile.UI;
+using Voile.UI.Widgets;
+using Voile.UI.Containers;
 
 public class TestGame : Game
 {
@@ -16,9 +19,11 @@ public class TestGame : Game
     {
         InitializeSystemsDefault();
 
+        _uiSystem = new UISystem(new ResourceRef<Style>(Guid.Empty));
+
         _particleSystem = new ParticleSystem();
 
-        // AddSystemToUpdate(_audioSystem);
+        AddSystemToUpdate(_uiSystem);
         AddSystemToUpdate(_particleSystem);
     }
 
@@ -49,6 +54,13 @@ public class TestGame : Game
     {
         Input.AddInputMapping("reload", new IInputAction[] { new KeyInputAction(KeyboardKey.R) });
         _emitterId = _particleSystem.CreateEmitter(Renderer.WindowSize / 2, _fireEffect);
+
+        _uiSystem.AddElement(new VerticalContainer(new()
+        {
+            new Label("Hello, I'm a label!", _font),
+            new Label("I'm also a label, except I'm located slightly lower!", _font),
+            new Label("I hope a VerticalContainer works.", _font)
+        }, 64.0f));
     }
 
 
@@ -80,11 +92,7 @@ public class TestGame : Game
         }
 
         Renderer.ResetTransform();
-
-        Renderer.DrawText(_font, $"Render: {RenderFrameTime.TotalMilliseconds:F1} ms", Color.White);
-
-        Renderer.SetTransform(new Vector2(0.0f, 16.0f), Vector2.Zero);
-        Renderer.DrawText(_font, $"Update: {UpdateTimeStep * 1000:F1} ms", Color.White);
+        _uiSystem.Render(Renderer);
     }
 
     private void DrawEmitter(ParticleEmitter emitter)
@@ -107,6 +115,7 @@ public class TestGame : Game
     }
 
     [NotNull] private ParticleSystem _particleSystem;
+    [NotNull] private UISystem _uiSystem;
     private int _emitterId;
     private ResourceRef<ParticleEmitterSettingsResource> _fireEffect;
     private ResourceRef<Font> _font;