more sound effects

src/backpack/backpack_ui.rs

@@ -1,5 +1,5 @@
 use super::{BackbackSwapEvent, Backpack, BackpackHead};
-use crate::{GameState, heads_ui::HeadsImages, loading_assets::UIAssets};
+use crate::{GameState, heads_ui::HeadsImages, loading_assets::UIAssets, sounds::PlaySound};
 use bevy::prelude::*;
 
 static HEAD_SLOTS: usize = 5;
@@ -270,6 +270,7 @@ fn swap_head_inputs(
     let action = *trigger.event();
     if action == BackpackAction::OpenClose {
         state.open = !state.open;
+        commands.trigger(PlaySound::Backpack { open: state.open });
     }
 
     if !state.open {
@@ -290,6 +291,7 @@ fn swap_head_inputs(
     }
 
     if changed {
+        commands.trigger(PlaySound::Selection);
         sync(&backpack, &mut state);
     }
 }