// getRoomId.js
(function() {
	/*global adventurejs A*/ 
  "use strict";
  var p = adventurejs.Tangible.prototype;	
  /**
   * Get the ID of the room this asset is in.
   * @memberOf adventurejs.Tangible
	 * @method adventurejs.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.Room ) 
      {
        room = parent.id;
      } 
      else 
      {
        child = parent;
      }
    }
    return room;
  }
}());