sound effects of reloading

src/abilities/mod.rs

@@ -6,6 +6,7 @@ use crate::{
     heads::ActiveHeads,
     npc::Hit,
     player::{Player, PlayerRig},
+    sounds::PlaySound,
     tb_entities::EnemySpawn,
 };
 use avian3d::prelude::*;
@@ -90,7 +91,7 @@ fn on_trigger_state(
         };
 
         if !state.has_ammo() {
-            //TOOD: play sound
+            commands.trigger(PlaySound::Invalid);
             return;
         }