48 lines
1.2 KiB
Rust
48 lines
1.2 KiB
Rust
use crate::{CombatStats, Player, SufferDamage};
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use rltk::console;
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use specs::prelude::*;
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pub struct DamageSystem {}
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impl<'a> System<'a> for DamageSystem {
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type SystemData = (
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WriteStorage<'a, CombatStats>,
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WriteStorage<'a, SufferDamage>,
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);
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fn run(&mut self, data: Self::SystemData) {
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let (mut stats, mut damage) = data;
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for (mut stats, damage) in (&mut stats, &damage).join() {
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stats.hp -= damage.amount.iter().sum::<i32>();
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}
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damage.clear();
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}
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}
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pub fn delete_the_dead(ecs: &mut World) {
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let mut dead: Vec<Entity> = Vec::new();
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// Scope for the sake of the borrow checker
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{
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let combat_stats = ecs.read_storage::<CombatStats>();
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let players = ecs.read_storage::<Player>();
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let entities = ecs.entities();
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for (entity, stats) in (&entities, &combat_stats).join() {
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if stats.hp < 1 {
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let player = players.get(entity);
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match player {
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None => dead.push(entity),
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Some(_) => console::log("You are dead"),
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}
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}
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}
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}
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for victim in dead {
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ecs.delete_entity(victim)
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.expect("Unable to delete the dead");
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}
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}
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