// getRoomId.js
(function () {
  /* global AdventureJS A */
  var p = AdventureJS.Assets.Tangible.prototype;
  /**
   * Get the ID of the room this asset is in.
   * @memberOf AdventureJS.Assets.Tangible
   * @method AdventureJS.Assets.Tangible#getRoomId
   * @returns {String}
   */
  p.getRoomId = function Tangible_getRoomId() {
    var room = null;
    var child = this;
    while (null === room) {
      if ("undefined" === typeof child.place) {
        // if it doesn't have a place property, it's not Tangible
        break;
      }
      var parent = child.getPlaceAsset();
      if (!parent) {
        break;
      }
      if (parent instanceof AdventureJS.Assets.Room) {
        room = parent.id;
      } else {
        child = parent;
      }
    }
    return room;
  };
})();