enemy can drop key

src/npc.rs

@@ -1,4 +1,4 @@
-use crate::tb_entities::EnemySpawn;
+use crate::{keys::KeySpawn, tb_entities::EnemySpawn};
 use bevy::prelude::*;
 
 #[derive(Event, Reflect)]
@@ -6,10 +6,6 @@ pub struct Hit {
     pub damage: u32,
 }
 
-// TODO: add actual keys
-#[derive(Event, Reflect)]
-pub struct KeyCollected;
-
 #[derive(Component, Reflect)]
 struct Hp(i32);
 
@@ -23,10 +19,14 @@ fn init(mut commands: Commands, query: Query<Entity, (With<EnemySpawn>, Without<
     }
 }
 
-fn on_hit(trigger: Trigger<Hit>, mut commands: Commands, mut query: Query<&mut Hp>) {
+fn on_hit(
+    trigger: Trigger<Hit>,
+    mut commands: Commands,
+    mut query: Query<(&mut Hp, &Transform, &EnemySpawn)>,
+) {
     let Hit { damage } = trigger.event();
 
-    let Ok(mut hp) = query.get_mut(trigger.entity()) else {
+    let Ok((mut hp, transform, enemy)) = query.get_mut(trigger.entity()) else {
         return;
     };
 
@@ -36,6 +36,9 @@ fn on_hit(trigger: Trigger<Hit>, mut commands: Commands, mut query: Query<&mut H
 
     if hp.0 <= 0 {
         commands.entity(trigger.entity()).despawn_recursive();
-        commands.trigger(KeyCollected);
+
+        if enemy.has_key {
+            commands.trigger(KeySpawn(transform.translation));
+        }
     }
 }