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use std::collections::{HashMap, HashSet};
use specs::{
ReadStorage,
WriteStorage,
Read,
Write,
Entities,
System,
Join
};
use crate::components::{Controller, Player, Removed};
use crate::controls::{Control, Action};
use crate::resources::{Input, NewEntities, Spawn};
pub struct ControlInput;
impl <'a> System<'a> for ControlInput {
type SystemData = (
Entities<'a>,
Read<'a, Input>,
WriteStorage<'a, Controller>,
ReadStorage<'a, Player>,
Write<'a, NewEntities>,
Read<'a, Spawn>,
WriteStorage<'a, Removed>
);
fn run(&mut self, (entities, input, mut controllers, players, mut new, spawn, mut removed): Self::SystemData) {
{
let mut ents = Vec::new();
for (ent, _controller) in (&*entities, &controllers).join() {
ents.push(ent);
}
for ent in ents {
controllers.remove(ent);
}
}
let mut playercontrols: HashMap<&str, Control> = HashMap::new();
let mut leaving = HashSet::new();
for action in &input.actions {
match action {
Action::Join(name) => {
new.ents.push((
spawn.pos,
crate::player::make_player(name)
));
}
Action::Leave(name) => {leaving.insert(name);}
Action::Input(name, control) => {playercontrols.insert(name, control.clone());}
}
}
for (player, entity) in (&players, &entities).join() {
if let Some(control) = playercontrols.get(player.name.as_str()){
let _ = controllers.insert(entity, Controller(control.clone()));
}
if leaving.contains(&player.name) {
let _ = removed.insert(entity, Removed);
}
}
}
}
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