silphius/app/ecs-components/ticking.js

import Component from '@/ecs/component.js';

export default class Ticking extends Component {
  instanceFromSchema() {
    return class TickingInstance extends super.instanceFromSchema() {

      $$finished = [];
      $$tickingPromises = [];

      addTickingPromise(tickingPromise) {
        this.$$tickingPromises.push(tickingPromise);
        tickingPromise.then(() => {
          this.$$finished.push(tickingPromise);
        });
      }

      reset() {
        this.$$finished = [];
        this.$$tickingPromises = [];
      }

      tick(elapsed) {
        for (const tickingPromise of this.$$finished) {
          this.$$tickingPromises.splice(
            this.$$tickingPromises.indexOf(tickingPromise),
            1,
          );
        }
        this.$$finished = [];
        for (const tickingPromise of this.$$tickingPromises) {
          tickingPromise.tick(elapsed);
        }
      }

    }
  }
  static properties = {
    isTicking: {defaultValue: 1, type: 'uint8'},
  };
}