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|
use specs::{
ReadStorage,
System,
Join,
Write
};
use crate::{
components::{
Position,
Build,
Trigger,
TriggerBox
},
resources::{NewEntities}
};
pub struct Building;
impl <'a> System<'a> for Building{
type SystemData = (
ReadStorage<'a, Position>,
Write<'a, NewEntities>,
ReadStorage<'a, TriggerBox>,
ReadStorage<'a, Build>
);
fn run(&mut self, (positions, mut new, triggerboxes, builds): Self::SystemData) {
for (position, triggerbox, build) in (&positions, &triggerboxes, &builds).join(){
for message in triggerbox.messages.iter() {
match message {
Trigger::Build | Trigger::Change => {
// todo: better error handling
new.create(position.pos, &build.obj).unwrap();
}
_ => {}
}
}
}
}
}
|
