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|
use rand;
use specs::{
WriteStorage,
Entities,
System,
Join,
Read
};
use crate::{
components::{
Timer,
TimeOffset,
TriggerBox
},
resources::{Time}
};
pub struct Timeout;
impl <'a> System<'a> for Timeout {
type SystemData = (
Entities<'a>,
WriteStorage<'a, Timer>,
WriteStorage<'a, TriggerBox>,
Read<'a, Time>,
WriteStorage<'a, TimeOffset>
);
fn run(&mut self, (entities, mut timers, mut triggerboxes, time, mut time_offsets): Self::SystemData) {
for (entity, timer) in (&entities, &mut timers).join(){
if timer.target_time == None {
let creation_time = time.time + time_offsets.get(entity).map(|ct| ct.dtime).unwrap_or(0);
let mut r = 1.0 - rand::random::<f64>() * timer.spread;
if rand::random() {
r = 1.0 / r;
}
let duration = (timer.delay as f64 * r + 0.4) as i64;
timer.target_time = Some(creation_time + duration);
}
let target_time = timer.target_time.unwrap();
if target_time <= time.time {
if target_time < time.time {
time_offsets.insert(entity, TimeOffset{dtime: target_time.0 - time.time.0}).unwrap();
} else {
time_offsets.remove(entity);
}
TriggerBox::add_message(&mut triggerboxes, entity, timer.trigger);
timer.target_time = None;
}
}
}
}
|
