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

export default class Position extends Component {
  instanceFromSchema() {
    const {ecs} = this;
    return class PositionInstance extends super.instanceFromSchema() {
      lastX;
      lastY;
      get x() {
        return super.x;
      }
      set x(x) {
        this.lastX = super.x;
        super.x = x;
      }
      get y() {
        return super.y;
      }
      set y(y) {
        this.lastY = super.y;
        super.y = y;
      }
      get tile() {
        const {TileLayers} = ecs.get(1);
        const {Position: {x, y}} = ecs.get(this.entity);
        const {tileSize} = TileLayers.layers[0];
        return {
          x: (x - (x % tileSize.x)) / tileSize.x,
          y: (y - (y % tileSize.y)) / tileSize.y,
        }
      }
    };
  }
  static properties = {
    x: {type: 'float32'},
    y: {type: 'float32'},
  };
}