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- extern crate specs;
- use super::{CombatStats, Player, SufferDamage};
- use rltk::console;
- use specs::prelude::*;
- pub struct DamageSystem;
- impl<'a> System<'a> for DamageSystem {
- type SystemData = (
- WriteStorage<'a, CombatStats>,
- WriteStorage<'a, SufferDamage>,
- );
- fn run(&mut self, data: Self::SystemData) {
- let (mut stats, mut damage) = data;
- for (mut stats, damage) in (&mut stats, &damage).join() {
- stats.hp -= damage.amount;
- }
- damage.clear();
- }
- }
- pub struct CleanupDead;
- impl<'a> System<'a> for CleanupDead {
- type SystemData = (
- Entities<'a>,
- ReadStorage<'a, CombatStats>,
- ReadStorage<'a, Player>,
- );
- fn run(&mut self, (entities, stats, player): Self::SystemData) {
- let mut dead = Vec::new();
- for (entity, stats) in (&entities, &stats).join() {
- if stats.hp < 1 {
- if player.contains(entity) {
- console::log("You are dead");
- } else {
- dead.push(entity)
- }
- }
- }
- for e in dead {
- entities.delete(e).expect("Unable to delete");
- }
- }
- }
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