bottle_angel: Show empty bottle drop points

Instead of deleting drop points on contact, change them to be an empty
drop point instead.

src/angel_shifts/bottle_angel.rs

@@ -2,6 +2,7 @@ use crate::colliders;
 use crate::components;
 use crate::entities;
 use crate::resources;
+use crate::sprites;
 use crate::svg_loader;
 
 pub struct BottleAngelShift {
@@ -66,8 +67,9 @@ impl BottleAngelState {
 #[legion::system]
 #[read_component(colliders::Collider)]
 #[read_component(components::Matebottledrop)]
+#[write_component(components::Sprite)]
 pub fn collect_bottledrops(
-    world: &legion::world::SubWorld,
+    world: &mut legion::world::SubWorld,
     cmd: &mut legion::systems::CommandBuffer,
     #[resource] player: &resources::Player,
     #[resource] collision_world: &colliders::CollisionWorld,
@@ -79,7 +81,7 @@ pub fn collect_bottledrops(
         .get(world, player.0)
         .unwrap();
 
-    let mut bottledrops = <&components::Matebottledrop>::query();
+    let mut bottledrops = <(&components::Matebottledrop, &mut components::Sprite)>::query();
     for pair in collision_world
         .world
         .proximities_with(collider.handle.unwrap(), false)
@@ -90,8 +92,9 @@ pub fn collect_bottledrops(
         }
 
         let entity = *collision_world.world.objects.get(pair.1).unwrap().data();
-        if bottledrops.get(world, entity).is_ok() {
-            cmd.remove(entity);
+        if let Ok((_, sprite)) = bottledrops.get_mut(world, entity) {
+            *sprite = components::Sprite::new(sprites::Sprite::BottleDropPointEmpty);
+            cmd.remove_component::<components::Matebottledrop>(entity);
             bottle_angel_state.collected_drops += 1;
         }
     }