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use rand::Rng;
use specs::{
ReadStorage,
WriteStorage,
System,
Join,
Write
};
use crate::{
components::{
Position,
Loot,
Dead
},
resources::{NewEntities}
};
pub struct DropLoot;
impl <'a> System<'a> for DropLoot{
type SystemData = (
WriteStorage<'a, Position>,
Write<'a, NewEntities>,
ReadStorage<'a, Dead>,
ReadStorage<'a, Loot>
);
fn run(&mut self, (positions, mut new, deads, loots): Self::SystemData) {
for (position, _, loot) in (&positions, &deads, &loots).join(){
for (template, chance) in &loot.loot {
if *chance > rand::thread_rng().gen_range(0.0, 1.0) {
// todo: better error handling
new.create(position.pos, template.clone()).unwrap();
}
}
}
}
}
|
