Re-introduce prototype code

src/app/App.cs

@@ -0,0 +1,61 @@
+using Chickensoft.AutoInject;
+using Chickensoft.GodotNodeInterfaces;
+using Chickensoft.Introspection;
+using Godot;
+
+namespace GameJamDungeon
+{
+  public interface IApp : ICanvasLayer, IProvide<IAppRepo>;
+
+  [Meta(typeof(IAutoNode))]
+  public partial class App : CanvasLayer, IApp
+  {
+    public override void _Notification(int what) => this.Notify(what);
+
+    public const string GAME_SCENE_PATH = "res://src/game/Game.tscn";
+
+    public IGame Game { get; set; } = default!;
+
+    public IInstantiator Instantiator { get; set; } = default!;
+
+    IAppRepo IProvide<IAppRepo>.Value() => AppRepo;
+
+    public IAppRepo AppRepo { get; set; } = default!;
+    public IAppLogic AppLogic { get; set; } = default!;
+    public AppLogic.IBinding AppBinding { get; set; } = default!;
+
+    [Node] public ISubViewport GameWindow { get; set; } = default!;
+
+    public void Initialize()
+    {
+      Instantiator = new Instantiator(GetTree());
+      AppRepo = new AppRepo();
+      AppLogic = new AppLogic();
+      AppLogic.Set(AppRepo);
+
+      this.Provide();
+    }
+
+    public void OnReady()
+    {
+      Game = Instantiator.LoadAndInstantiate<Game>(GAME_SCENE_PATH);
+      GameWindow.AddChildEx(Game);
+      AppBinding = AppLogic.Bind();
+      AppLogic.Start();
+
+      Instantiator.SceneTree.Paused = false;
+    }
+
+
+    public void OnNewGame() => AppLogic.Input(new AppLogic.Input.NewGame());
+
+    public void OnQuit() => AppLogic.Input(new AppLogic.Input.QuitGame());
+
+    public void OnExitTree()
+    {
+      AppLogic.Stop();
+      AppBinding.Dispose();
+      AppRepo.Dispose();
+    }
+  }
+}