Music volume is controllable from settings menu

#7

1 files changed, 17 insertions, 2 deletions

@@ -55,8 +55,15 @@ void MenuSystem::openPauseMenu() {
                  .ActivationFunction([this] (Game&) {
                    openSubmenu(Menu({
                      MenuBuilder().Slider("Music Volume: ")
-                                  .InitialValue(10)
-                                  .MaxValue(10),
+                                  .InitialValue(game_.getMixer().isMusicMuted() ? 0 : game_.getMixer().getMusicVolume())
+                                  .MaxValue(10)
+                                  .SelectionChangedFunction([this] (MenuItem& menuItem) {
+                                    if (game_.getMixer().isMusicMuted()) {
+                                      menuItem.value = game_.getMixer().getMusicVolume();
+                                    }
+
+                                    game_.getMixer().setMusicVolume(menuItem.value);
+                                  }),
                      MenuBuilder().Slider("Sound Volume: ")
                                   .InitialValue(10)
                                   .MaxValue(10),
@@ -135,6 +142,10 @@ void MenuSystem::pressedLeft() {
   if (menuItem.type == MenuType::Slider && menuItem.value > 0) {
     menuItem.value--;
 
+    if (menuItem.selectionChanged) {
+      menuItem.selectionChanged(menuItem);
+    }
+
     game_.getMixer().playSound("../res/sfx/horizontal_menu.wav");
   }
 }
@@ -146,6 +157,10 @@ void MenuSystem::pressedRight() {
   if (menuItem.type == MenuType::Slider && menuItem.value < menuItem.maxValue) {
     menuItem.value++;
 
+    if (menuItem.selectionChanged) {
+      menuItem.selectionChanged(menuItem);
+    }
+
     game_.getMixer().playSound("../res/sfx/horizontal_menu.wav");
   }
 }