damage per head (#32)

src/abilities/arrow.rs

@@ -1,7 +1,8 @@
 use super::TriggerArrow;
 use crate::{
-    GameState, billboards::Billboard, global_observer, hitpoints::Hit, loading_assets::GameAssets,
-    physics_layers::GameLayer, sounds::PlaySound, utils::sprite_3d_animation::AnimationTimer,
+    GameState, billboards::Billboard, global_observer, heads_database::HeadsDatabase,
+    hitpoints::Hit, loading_assets::GameAssets, physics_layers::GameLayer, sounds::PlaySound,
+    utils::sprite_3d_animation::AnimationTimer,
 };
 use avian3d::prelude::*;
 use bevy::{pbr::NotShadowCaster, prelude::*};
@@ -9,7 +10,9 @@ use bevy_sprite3d::{Sprite3dBuilder, Sprite3dParams};
 use std::f32::consts::PI;
 
 #[derive(Component)]
-struct ArrowProjectile;
+struct ArrowProjectile {
+    damage: u32,
+}
 
 #[derive(Resource)]
 struct ShotAssets {
@@ -38,6 +41,7 @@ fn on_trigger_arrow(
     trigger: Trigger<TriggerArrow>,
     mut commands: Commands,
     query_transform: Query<&Transform>,
+    heads_db: Res<HeadsDatabase>,
 ) {
     let state = trigger.0;
 
@@ -57,17 +61,18 @@ fn on_trigger_arrow(
     let mut t = Transform::from_translation(state.pos).with_rotation(rotation);
     t.translation += (t.forward().as_vec3() * 2.) + (Vec3::Y * 0.6);
 
-    commands.spawn((Name::new("projectile-arrow"), ArrowProjectile, t));
+    let damage = heads_db.head_stats(state.head).damage;
+    commands.spawn((Name::new("projectile-arrow"), ArrowProjectile { damage }, t));
 }
 
 fn update(
     mut cmds: Commands,
-    query: Query<(Entity, &Transform), With<ArrowProjectile>>,
+    query: Query<(Entity, &Transform, &ArrowProjectile)>,
     spatial_query: SpatialQuery,
     assets: Res<ShotAssets>,
     mut sprite_params: Sprite3dParams,
 ) {
-    for (e, t) in query.iter() {
+    for (e, t, arrow) in query.iter() {
         let filter = SpatialQueryFilter::from_mask(LayerMask(
             GameLayer::Level.to_bits() | GameLayer::Npc.to_bits(),
         ));
@@ -80,7 +85,9 @@ fn update(
             &ShapeCastConfig::from_max_distance(150.),
             &filter,
         ) {
-            cmds.entity(first_hit.entity).trigger(Hit { damage: 50 });
+            cmds.entity(first_hit.entity).trigger(Hit {
+                damage: arrow.damage,
+            });
 
             cmds.spawn(
                 Sprite3dBuilder {