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use crate::hashmap;
use specs::{
ReadStorage,
Read,
Write,
System,
Join
};
use crate::components::{Player, Position, Moved, RoomExit};
use crate::resources::{Emigration, Ground};
pub struct Migrate;
impl <'a> System<'a> for Migrate {
type SystemData = (
Write<'a, Emigration>,
Read<'a, Ground>,
ReadStorage<'a, Player>,
ReadStorage<'a, Position>,
ReadStorage<'a, Moved>,
ReadStorage<'a, RoomExit>,
);
fn run(&mut self, (mut emigration, ground, players, positions, moved, exits): Self::SystemData) {
for (player, position, _moved) in (&players, &positions, &moved).join() {
for ent in ground.cells.get(&position.pos).unwrap() {
if let Some(exit) = exits.get(*ent) {
let destination = exit.destination.format(hashmap!("{player}" => player.id.0.as_str()));
emigration.emigrants.push((player.id.clone(), destination, exit.dest_pos.clone()));
break;
}
}
}
}
}
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