feat: basic sdl3 basic windowing

Platforms/Desktop/Program.cs

@@ -3,6 +3,7 @@
 using Engine.Core;
 using Engine.Core.Debug;
 using Engine.Core.Serialization;
+using Engine.Integration.SDL3;
 using Engine.Serializers.Yaml;
 using Engine.Systems.Network;
 using Engine.Systems.Time;
@@ -22,6 +23,9 @@ universe.InstantiateUniverseObject().SetUniverseObject("Logger")
 
 IUniverseObject desktopParent = universe.InstantiateUniverseObject().SetUniverseObject("Desktop");
 
+// universe.InstantiateUniverseObject().SetUniverseObject("Desktop Inputs", desktopParent)
+//     .BehaviourController.AddBehaviour<DesktopInputs>();
+
 universe.InstantiateUniverseObject().SetUniverseObject("Visual Managers", desktopParent)
     .BehaviourController.AddBehaviour<DrawManager>();
 
@@ -36,8 +40,38 @@ MyUniverse.Shared.UniverseSource.ApplyUniverse(universe);
 
 desktopParent.AddChild(universe.InstantiateUniverseObject().SetUniverseObject("Triangle Batcher").BehaviourController.AddBehaviour<Engine.Systems.Graphics.TriangleBatcher>().UniverseObject);
 
+Sdl3Window window = Engine.Core.Factory.BehaviourFactory.Instantiate<Sdl3Window>();
+window.Title = "MyUniverse";
+window.Size = new(800, 600);
+window.Mode = WindowMode.BorderlessWindowed;
+
+IUniverseObject windowUO = universe.InstantiateUniverseObject().SetUniverseObject("SDL3 Window", desktopParent);
+windowUO.BehaviourController.AddBehaviour(window);
+
+// Testing Start
+TickerStopwatch tickerStopwatch = windowUO.BehaviourController.AddBehaviour<TickerStopwatch>();
+tickerStopwatch.Period = 5f;
+tickerStopwatch.OnTick.AddListener(sender =>
+{
+    if (window.IsInitialized)
+        windowUO.BehaviourController.RemoveBehaviour(window);
+    else
+        windowUO.BehaviourController.AddBehaviour(window);
+});
+tickerStopwatch.Start();
+// Testing End
+
 universe.Initialize();
 
+// window.OnRender.AddListener((sender, args) => universe.Draw());
+// window.OnUpdate.AddListener((sender, args) =>
+// {
+//     timeSinceStart += args.TimeSpan;
+//     universe.Update(new(timeSinceStart, args.TimeSpan));
+// });
+
+// window.Run();
+
 DateTime lastRun = DateTime.UtcNow;
 TimeSpan timeSinceStart = new(0);
 
@@ -52,3 +86,21 @@ while (true)
     lastRun = now;
     System.Threading.Thread.Sleep(1);
 }
+
+// DateTime lastRun = DateTime.UtcNow;
+// TimeSpan interval = new(0, 0, 0, 0, 16);
+// TimeSpan timeSinceStart = new(0);
+
+// universe.Initialize();
+
+// while (true)
+// {
+//     if (lastRun + interval <= DateTime.UtcNow)
+//     {
+//         lastRun += interval;
+//         timeSinceStart += interval;
+//         universe.Update(new(timeSinceStart, interval));
+//     }
+
+//     Thread.Sleep(1);
+// }