Add Health item use

src/item.rs

@@ -4,17 +4,18 @@ use bevy::{
     ecs::system::EntityCommands,
     hierarchy::{BuildChildren, Children},
     math::Vec3,
-    prelude::{Assets, Bundle, Commands, Component, Entity, Handle, Query, Transform, With},
+    prelude::{Assets, Bundle, Commands, Component, Entity, Handle, Query, Res, Transform, With},
     transform::TransformBundle,
 };
 use leafwing_input_manager::prelude::ActionState;
 
 use crate::{
-    consts::{self, ITEM_LAYER, PICK_ITEM_RADIUS},
+    consts::{self, ITEM_HEALTH_NAME, ITEM_LAYER, PICK_ITEM_RADIUS},
     input::PlayerAction,
-    metadata::{ItemMeta, ItemSpawnMeta},
+    metadata::{FighterMeta, ItemMeta, ItemSpawnMeta},
     player::Player,
     state::State,
+    Stats,
 };
 
 #[derive(Component)]
@@ -100,3 +101,26 @@ pub fn item_carried_by_player(
 
     None
 }
+
+pub fn use_health_item(
+    mut player_query: Query<(&Children, &mut Stats, &Handle<FighterMeta>), With<Player>>,
+    items_meta_query: Query<&Handle<ItemMeta>>,
+    items_meta: Res<Assets<ItemMeta>>,
+    mut commands: Commands,
+    fighter_assets: Res<Assets<FighterMeta>>,
+) {
+    for (player_children, mut stats, player_meta) in player_query.iter_mut() {
+        let health_item = item_carried_by_player(
+            player_children,
+            ITEM_HEALTH_NAME,
+            &items_meta_query,
+            &items_meta,
+        );
+
+        if let Some(health_id) = health_item {
+            let player_meta = fighter_assets.get(player_meta).unwrap();
+            stats.health = player_meta.stats.health;
+            commands.entity(health_id).despawn();
+        }
+    }
+}

src/main.rs

@@ -60,7 +60,10 @@ use ui::UIPlugin;
 use utils::ResetController;
 use y_sort::*;
 
-use crate::{input::PlayerAction, item::pick_items};
+use crate::{
+    input::PlayerAction,
+    item::{pick_items, use_health_item},
+};
 
 #[cfg_attr(feature = "debug", derive(bevy_inspector_egui::Inspectable))]
 #[derive(Component, Deserialize, Clone, Debug)]
@@ -212,6 +215,7 @@ fn main() {
                 .run_in_state(GameState::InGame)
                 .with_system(player_controller)
                 .with_system(pick_items)
+                .with_system(use_health_item)
                 .with_system(y_sort)
                 .with_system(attack_fighter_collision)
                 .with_system(kill_entities)