arrow ability (#29)

src/abilities/mod.rs

@@ -1,3 +1,4 @@
+mod arrow;
 mod gun;
 mod thrown;
 
@@ -73,11 +74,14 @@ impl TriggerData {
 #[derive(Event, Reflect)]
 pub struct TriggerGun(pub TriggerData);
 #[derive(Event, Reflect)]
+pub struct TriggerArrow(pub TriggerData);
+#[derive(Event, Reflect)]
 pub struct TriggerThrow(pub TriggerData);
 
 pub fn plugin(app: &mut App) {
     app.add_plugins(gun::plugin);
     app.add_plugins(thrown::plugin);
+    app.add_plugins(arrow::plugin);
 
     app.add_systems(Update, enemy_hit.run_if(in_state(GameState::Playing)));
 
@@ -155,7 +159,8 @@ fn on_trigger_state(
         match ability {
             HeadAbility::Thrown => commands.trigger(TriggerThrow(trigger_state)),
             HeadAbility::Gun => commands.trigger(TriggerGun(trigger_state)),
-            _ => (),
+            HeadAbility::Arrow => commands.trigger(TriggerArrow(trigger_state)),
+            HeadAbility::None => (),
         };
     }
 }