Restructure loading of game

Zennysoft.Game.Ma/src/app/App.cs

@@ -1,8 +1,11 @@
 using Chickensoft.AutoInject;
+using Chickensoft.Collections;
 using Chickensoft.GodotNodeInterfaces;
 using Chickensoft.Introspection;
 using Godot;
+using Godot.Collections;
 using SimpleInjector.Lifestyles;
+using System.Linq;
 using Zennysoft.Game.Abstractions;
 using Zennysoft.Ma.Adapter;
 
@@ -17,7 +20,11 @@ public partial class App : Node, IApp
 
   public const string GAME_SCENE_PATH = "res://src/game/Game.tscn";
 
-  public IGame Game { get; set; } = default!;
+  public const string ENEMY_VIEWER_PATH = "res://src/data_viewer/DataViewer.tscn";
+
+  [Node] private MainMenu MainMenu { get; set; } = default!;
+
+  [Node] private Control Loading { get; set; } = default!;
 
   public IInstantiator Instantiator { get; set; } = default!;
 
@@ -27,6 +34,10 @@ public partial class App : Node, IApp
   public IAppLogic AppLogic { get; set; } = default!;
   public AppLogic.IBinding AppBinding { get; set; } = default!;
 
+  private Array _progress;
+
+  private AutoProp<bool> _loaded = new(false);
+
   public void Initialize()
   {
     var container = new SimpleInjector.Container();
@@ -34,6 +45,11 @@ public partial class App : Node, IApp
     container.RegisterSingleton<IAppRepo, AppRepo>();
     container.RegisterSingleton<IAppLogic, AppLogic>();
 
+    MainMenu.NewGame += OnNewGame;
+    MainMenu.LoadGame += OnLoadGame;
+    MainMenu.Quit += OnQuit;
+    _loaded.Sync += OnGameLoaded;
+
     Instantiator = new Instantiator(GetTree());
 
     AppRepo = container.GetInstance<IAppRepo>();
@@ -43,9 +59,22 @@ public partial class App : Node, IApp
     AppLogic.Set(new AppLogic.Data());
 
     Input.MouseMode = Input.MouseModeEnum.Visible;
+    _progress = [];
     this.Provide();
   }
 
+  private void OnGameLoaded(bool gameLoaded)
+  {
+    if (gameLoaded)
+    {
+      Loading.Hide();
+      var gameScene = (PackedScene)ResourceLoader.LoadThreadedGet(GAME_SCENE_PATH);
+      var game = gameScene.Instantiate();
+      AddChild(game);
+      Instantiator.SceneTree.Paused = false;
+    }
+  }
+
   public void OnReady()
   {
     AppBinding = AppLogic.Bind();
@@ -59,7 +88,8 @@ public partial class App : Node, IApp
       })
       .Handle((in AppLogic.Output.SetupGameScene _) =>
       {
-        Instantiator.SceneTree.Paused = false;
+        ResourceLoader.LoadThreadedRequest(GAME_SCENE_PATH, useSubThreads: true, cacheMode: ResourceLoader.CacheMode.Ignore);
+        MainMenu.Hide();
       })
       .Handle((in AppLogic.Output.ShowMainMenu _) =>
       {
@@ -69,16 +99,28 @@ public partial class App : Node, IApp
       })
       .Handle((in AppLogic.Output.StartLoadingSaveFile _) =>
         {
-          Game.SaveFileLoaded += OnSaveFileLoaded;
-          Game.LoadExistingGame();
         })
+      .Handle((in AppLogic.Output.EnemyViewerOpened _) =>
+      {
+        Instantiator.LoadAndInstantiate<Node>(ENEMY_VIEWER_PATH);
+      })
       .Handle((in AppLogic.Output.ExitGame _) =>
       {
         GetTree().Quit();
       });
 
-
     AppLogic.Start();
+    MainMenu.Show();
+  }
+
+  public override void _Process(double delta)
+  {
+    if (!_loaded.Value)
+    {
+      ResourceLoader.LoadThreadedGetStatus(GAME_SCENE_PATH, _progress);
+      if ((double)_progress.Single() == 1)
+        _loaded.OnNext(true);
+    }
   }
 
   public void OnNewGame() => AppLogic.Input(new AppLogic.Input.NewGame());
@@ -89,7 +131,6 @@ public partial class App : Node, IApp
 
   public void OnSaveFileLoaded()
   {
-    Game.SaveFileLoaded -= OnSaveFileLoaded;
     AppLogic.Input(new AppLogic.Input.SaveFileLoaded());
   }