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|
use rand::Rng;
use specs::{
ReadStorage,
System,
Join,
Write
};
use crate::{
components::{
Position,
Loot,
Trigger,
TriggerBox
},
resources::{NewEntities}
};
pub struct DropLoot;
impl <'a> System<'a> for DropLoot{
type SystemData = (
ReadStorage<'a, Position>,
Write<'a, NewEntities>,
ReadStorage<'a, TriggerBox>,
ReadStorage<'a, Loot>
);
fn run(&mut self, (positions, mut new, triggerboxes, loots): Self::SystemData) {
for (position, triggerbox, loot) in (&positions, &triggerboxes, &loots).join(){
for message in triggerbox.messages.iter() {
match message {
Trigger::Die | Trigger::Loot => {
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).unwrap();
}
}
}
_ => {}
}
}
}
}
}
|
