// getClosedAnscestors.js
(function() {
	/*global adventurejs A*/ 
  "use strict";
  var p = adventurejs.Tangible.prototype;	
  /**
   * Get a list of this asset's containing parent(s) that are closed. 
   * Takes into account nesting doll 
   * situations and looks all the way up the chain.
   * Useful for determining whether a player can interact
   * with a nested object.
   * @memberOf adventurejs.Tangible
	 * @method adventurejs.Tangible#getClosedAnscestors
   * @returns {Array}
   */
   p.getClosedAnscestors = function Tangible_getClosedAnscestors() 
   {
     var parent = this.getPlaceAsset();
     var anscestorsToOpen = [];
 
     if( parent
     && parent.isDOV('close')
     && "undefined" !== typeof parent.getClosedAnscestors ) 
     {
       anscestorsToOpen = anscestorsToOpen.concat( parent.getClosedAnscestors() );
     }
     if( this.isDOV('close') && this.is.closed ) 
     {
       anscestorsToOpen = anscestorsToOpen.concat( this.id );
     }
     return anscestorsToOpen;
   } 
}());