added that you can change num rounds in lobby screen that host can ch…

core/src/main/java/group07/beatbattle/controller/LobbyController.java

@@ -205,7 +205,8 @@ public void onFailure(Exception exception) {
     }
 
     /** Called by the host when they press Start Game. */
-    public void onStartGame(String sessionId, List<Player> players) {
+    public void onStartGame(String sessionId, List<Player> players, int rounds) {
+        numRounds = rounds;
         int tracksNeeded = numRounds * OPTIONS_PER_Q;
         game.getMusicService().fetchTracks(tracksNeeded, new MusicServiceCallback() {
             @Override

core/src/main/java/group07/beatbattle/view/LobbyView.java

@@ -27,6 +27,7 @@
 import group07.beatbattle.model.Player;
 import group07.beatbattle.model.services.LobbyService;
 import group07.beatbattle.ui.components.BackButton;
+import group07.beatbattle.ui.components.RoundSelector;
 import group07.beatbattle.ui.components.SettingsButton;
 import group07.beatbattle.ui.components.StartGameButton;
 import group07.beatbattle.ui.dialog.AlertDialogs;
@@ -339,16 +340,18 @@ private Table createFooter() {
         Table footer = new Table();
 
         if (mode == GameMode.CREATE) {
-            StartGameButton startButton = new StartGameButton(game.getMontserratFont());
+            RoundSelector roundSelector = new RoundSelector(game.getMontserratFont());
 
+            StartGameButton startButton = new StartGameButton(game.getMontserratFont());
             startButton.addListener(new ChangeListener() {
                 @Override
                 public void changed(ChangeEvent event, Actor actor) {
-                    controller.onStartGame(sessionId, currentPlayers);
+                    controller.onStartGame(sessionId, currentPlayers, roundSelector.getSelectedRounds());
                 }
             });
 
             float btnWidth = Math.min(800f, Gdx.graphics.getWidth() - 80f);
+            footer.add(roundSelector.getActor()).width(btnWidth).padBottom(20f).row();
             footer.add(startButton).width(btnWidth).height(150);
         }