export default class DungeonScene extends Phaser.Scene {
  create() {
    // ... dungeon and map generation code omitted

    this.dungeon.rooms.forEach(room => {
      // These room properties are all in grid units (not pixels units)
      const { x, y, width, height, left, right, top, bottom } = room;

      // ... room tile mapping code omitted

      // Dungeons have rooms that are connected with doors. Each door has an x & y relative to the
      // room's location. Each direction has a different door to tile mapping.
      var doors = room.getDoorLocations(); // → Returns an array objects like this {x, y}
      for (var i = 0; i < doors.length; i++) {
        if (doors[i].y === 0) {
          this.groundLayer.putTilesAt(TILES.DOOR.TOP, x + doors[i].x - 1, y + doors[i].y);
        } else if (doors[i].y === room.height - 1) {
          this.groundLayer.putTilesAt(TILES.DOOR.BOTTOM, x + doors[i].x - 1, y + doors[i].y);
        } else if (doors[i].x === 0) {
          this.groundLayer.putTilesAt(TILES.DOOR.LEFT, x + doors[i].x, y + doors[i].y - 1);
        } else if (doors[i].x === room.width - 1) {
          this.groundLayer.putTilesAt(TILES.DOOR.RIGHT, x + doors[i].x, y + doors[i].y - 1);
        }
      }
    });
  }
}