Add option to mute notification sounds altogether. (#6390)

Author: Malkierian

soh/soh/Notification/Notification.cpp

@@ -131,7 +131,7 @@ void Emit(Options notification) {
         notification.remainingTime = CVarGetFloat(CVAR_SETTING("Notifications.Duration"), 10.0f);
     }
     notifications.push_back(notification);
-    if (!notification.mute) {
+    if (!notification.mute && !CVarGetInteger(CVAR_SETTING("Notifications.Mute"), 0)) {
         Audio_PlaySoundGeneral(NA_SE_SY_METRONOME, &gSfxDefaultPos, 4, &gSfxDefaultFreqAndVolScale,
                                &gSfxDefaultFreqAndVolScale, &gSfxDefaultReverb);
     }

soh/soh/SohGui/SohMenuSettings.cpp

@@ -520,6 +520,10 @@ void SohMenu::AddMenuSettings() {
             });
         })
         .Options(ButtonOptions().Tooltip("Displays a test notification."));
+    AddWidget(path, "Mute Notification Sound", WIDGET_CVAR_CHECKBOX)
+        .CVar(CVAR_SETTING("Notifications.Mute"))
+        .RaceDisable(false)
+        .Options(CheckboxOptions().Tooltip("Prevent notifications from playing a sound."));
 
     // Mod Menu
     path.sidebarName = "Mod Menu";