Fix crash when jumping straight to WorldMapScene

src/DialogueBox.hx

@@ -17,7 +17,7 @@ class DialogueBox extends h2d.Object {
 		if (text == null)
 			text = "NULL";
 		game = Game.current;
-		game.root.scene.getH2dObject().getScene().add(this, 1);
+		cast(game.root, h2d.Object).getScene().add(this, 1);
 		bg = new h2d.ScaleGrid(Res.ui.toTile(), 5, 5, this);
 		bg.colorKey = 0xFF00FF;
 		tf = new h2d.Text(game.font, this);

src/Game.hx

@@ -63,12 +63,6 @@ class Game extends hxd.App {
 		globalEventBus = new EventBus(console);
 		globalEventBus.subscribe(ChangeSceneEvent, onChangeScene);
 
-		#if debug
-		setGameScene(new WorldMapScene(root));
-		#else
-		setGameScene(new TitleScene(root));
-		#end
-
 		font = Res.font.minecraftia_regular_6.toFont();
 		font.resizeTo(24);
 
@@ -81,6 +75,12 @@ class Game extends hxd.App {
 			hxd.Res.text.intro.entry.name,
 		];
 		dialogueManager.load(yarnText, yarnFileNames);
+
+		#if debug
+		setGameScene(new WorldMapScene(root));
+		#else
+		setGameScene(new TitleScene(root));
+		#end
 	}
 
 	public function new() {