Beakerboy / OSMBuilding / 9053462394

import {BuildingShapeUtils} from './extras/BuildingShapeUtils.js';

import {BuildingPart} from './buildingpart.js';

/**

 * An OSM Building Part

 *

 * A building part includes a main building and a roof.

 */

class MultiBuildingPart extends BuildingPart {

  buildShape() {

    this.type = 'multipolygon';

    const innerMembers = this.way.querySelectorAll('member[role="inner"]');

    const outerMembers = this.way.querySelectorAll('member[role="outer"]');

    const innerShapes = [];

    var shapes = [];

    window.printError('Inner members: ' + innerMembers.length);

    for (let i = 0; i < innerMembers.length; i++) {

      const way = this.fullXmlData.getElementById(innerMembers[i].getAttribute('ref'));

      innerShapes.push(BuildingShapeUtils.createShape(way, this.nodelist));

    }

    window.printError('Outer members: ' + outerMembers.length);

    const ways = [];

    for (let j = 0; j < outerMembers.length; j++) {

      const way = this.fullXmlData.getElementById(outerMembers[j].getAttribute('ref'));

      ways.push(way);

    }

    const closedWays = BuildingShapeUtils.combineWays(ways);

    for (let k = 0; k < closedWays.length; k++) {

      const shape = BuildingShapeUtils.createShape(closedWays[k], this.nodelist);

      shape.holes.push(...innerShapes);

      shapes.push(shape);

    }

    if (outerMembers.length === 1) {

      return shapes[0];

    }

    // Multiple outer members

    return shapes;

  }

  getWidth() {

    var xy = [[], []];

    for (let i = 0; i < this.shape.length; i++){

      const shape = this.shape[i];

      const newXy = BuildingShapeUtils.combineCoordinates(shape);

      xy[0] = xy[0].concat(newXy[0]);

      xy[1] = xy[1].concat(newXy[1]);

    }

    const x = xy[0];

    const y = xy[1];

    window.printError('Multibuilding x: ' + x);

    window.printError('Multibuilding y: ' + y);

    const widths = Math.max(Math.max(...x) - Math.min(...x), Math.max(...y) - Math.min(...y));

    window.printError('Multibuilding Width: ' + widths);

    return widths;

  }

}

export {MultiBuildingPart};