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use specs::{
Read,
WriteStorage,
Entities,
System,
Join
};
use crate::{
components::{Volatile, Removed},
resources::TimeStamp
};
pub struct Volate;
impl <'a> System<'a> for Volate {
type SystemData = (
Entities<'a>,
WriteStorage<'a, Volatile>,
WriteStorage<'a, Removed>,
Read<'a, TimeStamp>
);
fn run(&mut self, (entities, mut volatiles, mut removals, timestamp): Self::SystemData) {
for (ent, volatile) in (&entities, &mut volatiles).join() {
if let Some(time) = volatile.end_time {
if time <= timestamp.time {
removals.insert(ent, Removed).unwrap();
}
} else {
volatile.end_time = Some(timestamp.time + volatile.delay);
}
}
}
}
|
