bullet.js

import {subscribe} from "tiny-pubsub"
import {update_bullet} from './update_bullet'

let bullets = {};

subscribe("bullet", bullet => {
  bullets[bullet.id] = bullet;
})

subscribe("tick", (current_time, world) => {
  for(let id in bullets) {
    bullets[id] = update_bullet(bullets[id], current_time, world);
    if(bullets[id] == null) {
      delete bullets[id];
    }
  }
})

subscribe("poll", ({ bullets: bullets_poll }) => {
  let tmp_bullets = {};
  bullets_poll.forEach(bullet => {
    tmp_bullets[bullet.id] = bullet;
  });
  bullets = tmp_bullets;
})

subscribe("remove-bullet", (id) => {
  delete bullets[id]
})

function get_bullets() {
  return Object.keys(bullets).map((uuid) => bullets[uuid])
}

export {get_bullets}