add suffocation sound effects

src/audio.rs

@@ -23,6 +23,7 @@ impl Plugin for AudioPlugin {
             Update,
             (
                 play_zoom_sfx,
+                play_gasp_sfx,
                 respawn_sinks.run_if(on_event::<RespawnSinksEvent>()),
                 pause_all.run_if(on_event::<PauseAllSfxEvent>()),
             ),
@@ -64,6 +65,8 @@ const PATHS: &[(SfxType, Sfx, &str)] = &[
     (SfxType::LoopSfx, Sfx::Ion, "sounds/ion.ogg"),
     (SfxType::LoopSfx, Sfx::Rocket, "sounds/rocket.ogg"),
     (SfxType::LoopSfx, Sfx::Thruster, "sounds/thruster.ogg"),
+    (SfxType::LoopSfx, Sfx::Gasp, "sounds/gasp.ogg"),
+    (SfxType::OneOff, Sfx::GaspRelief, "sounds/gasprelief.ogg"),
     (SfxType::OneOff, Sfx::Achieve, "sounds/achieve.ogg"),
     (
         SfxType::OneOff,
@@ -99,6 +102,8 @@ pub enum Sfx {
     Crash,
     ElectricMotor,
     EnterVehicle,
+    Gasp,
+    GaspRelief,
     IncomingChatMessage,
     Ion,
     Ping,
@@ -272,6 +277,29 @@ pub fn play_zoom_sfx(
     }
 }
 
+pub fn play_gasp_sfx(
+    player: Query<&actor::Suit, With<actor::Player>>,
+    mut ew_sfx: EventWriter<PlaySfxEvent>,
+    q_audiosinks: Query<(&audio::Sfx, &AudioSink)>,
+) {
+    if let Ok(suit) = player.get_single() {
+        for (sfxtype, sink) in &q_audiosinks {
+            if *sfxtype != Sfx::Gasp {
+                continue;
+            }
+            if suit.oxygen <= 0.0 {
+                sink.set_volume(0.6);
+                sink.play();
+            } else {
+                if !sink.is_paused() {
+                    ew_sfx.send(PlaySfxEvent(Sfx::GaspRelief));
+                    sink.pause();
+                }
+            }
+        }
+    }
+}
+
 pub fn pause_all(q_audiosinks: Query<&AudioSink, With<Sfx>>) {
     for sink in &q_audiosinks {
         sink.pause();