anchor.diff:  	I.setDir(AM.dir)
   	I.alpha = 128
   
  -	if(!blueprint_data)
  -		blueprint_data = list()
  -	blueprint_data += I
  +	LAZYADD(blueprint_data, I)
   
   
   /turf/proc/add_blueprints_preround(atom/movable/AM)
  
positive.code: 	var/old_affecting_lights = affecting_lights
  	var/old_lighting_object = lighting_object
  	var/old_corners = corners
  
  	var/old_baseturf = baseturf
  	changing_turf = TRUE
  	qdel(src)	//Just get the side effects and call Destroy
  	var/turf/W = new path(src)
  
  
negative.code: 		return
  	SSair.remove_from_active(src)
  	visibilityChanged()
  	QDEL_LIST(blueprint_data)
  	initialized = FALSE
  	requires_activation = FALSE
  	..()
  