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use std::collections::HashSet;
use specs::{
Entities,
ReadStorage,
WriteStorage,
System,
Join,
Read
};
use crate::components::{
Controller,
Position,
ControlCooldown,
Interactable,
Dead
};
use crate::controls::{Control};
use crate::resources::{Ground};
pub struct Interact;
impl <'a> System<'a> for Interact {
type SystemData = (
Entities<'a>,
ReadStorage<'a, Controller>,
ReadStorage<'a, Position>,
Read<'a, Ground>,
WriteStorage<'a, ControlCooldown>,
ReadStorage<'a, Interactable>,
WriteStorage<'a, Dead>
);
fn run(&mut self, (entities, controllers, positions, ground, mut cooldowns, interactables, mut deads): Self::SystemData) {
for (entity, controller, position) in (&entities, &controllers, &positions).join(){
let mut target = None;
match &controller.control {
Control::Interact(directions) => {
'targets: for direction in directions {
for ent in ground.cells.get(&(position.pos + direction.to_position())).unwrap_or(&HashSet::new()) {
if let Some(interactable) = interactables.get(*ent) {
target = Some((*ent, interactable));
break 'targets;
}
}
}
}
_ => {}
}
if let Some((ent, interactable)) = target {
match interactable {
Interactable::Harvest => {
deads.insert(ent, Dead).unwrap();
}
}
cooldowns.insert(entity, ControlCooldown{amount: 2}).unwrap();
}
}
}
}
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