1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
|
use rand;
use specs::{
WriteStorage,
Entities,
System,
Join,
Read
};
use crate::{
components::{
Grow,
TimeOffset,
TriggerBox
},
resources::{Time}
};
pub struct Growth;
impl <'a> System<'a> for Growth{
type SystemData = (
Entities<'a>,
WriteStorage<'a, Grow>,
WriteStorage<'a, TriggerBox>,
Read<'a, Time>,
WriteStorage<'a, TimeOffset>
);
fn run(&mut self, (entities, mut grows, mut triggerboxes, time, mut time_offsets): Self::SystemData) {
for (entity, grow) in (&entities, &mut grows).join(){
if grow.target_time == None {
let creation_time = time.time + time_offsets.get(entity).map(|ct| ct.dtime).unwrap_or(0);
let duration = grow.delay as f64 * (1.0 + rand::random::<f64>()) / (if rand::random() {1.0} else {2.0});
grow.target_time = Some(creation_time + duration as i64);
}
let target_time = grow.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, grow.trigger);
grow.target_time = None;
}
}
}
}
|
