Documentation sort of updated, food consumption also updated for residents.

src/time_system.nvgt

@@ -406,6 +406,8 @@ void update_time() {
         attempt_resident_collection();
     }
 
+    ensure_ambience_running();
+
     // Proactive resident defense with slings
     attempt_resident_sling_defense();
 
@@ -533,6 +535,9 @@ void complete_crossfade() {
         }
         if (night_sound_handle != -1) p.update_sound_start_values(night_sound_handle, 0.0, 0.0, 1.0);
         is_daytime = false;
+        if (night_sound_handle == -1 || !p.sound_is_active(night_sound_handle)) {
+            update_ambience(false);
+        }
     } else {
         // Destroy night sound, ensure day is at full volume
         if (night_sound_handle != -1) {
@@ -541,6 +546,23 @@ void complete_crossfade() {
         }
         if (day_sound_handle != -1) p.update_sound_start_values(day_sound_handle, 0.0, 0.0, 1.0);
         is_daytime = true;
+        if (day_sound_handle == -1 || !p.sound_is_active(day_sound_handle)) {
+            update_ambience(false);
+        }
+    }
+}
+
+void ensure_ambience_running() {
+    if (crossfade_active) return;
+
+    if (is_daytime) {
+        if (day_sound_handle == -1 || !p.sound_is_active(day_sound_handle)) {
+            update_ambience(false);
+        }
+    } else {
+        if (night_sound_handle == -1 || !p.sound_is_active(night_sound_handle)) {
+            update_ambience(false);
+        }
     }
 }