anchor.diff:  		show_menu(usr)
   
   	if(href_list["eatpipes"])
  -		p_class = -1
  +		p_class = EATING_MODE
   		p_conntype=-1
   		p_dir=1
   		src.spark_system.start()
  
positive.code: 				return 0
  
  			// Avoid spewing errors about invalid mode -1 when clicking on stuff that aren't pipes.
  			user << "The [src]'s error light flickers.  Perhaps you need to only use it on pipes and pipe meters?"
  			return 0
  		if(0)
  			if(!(istype(A, /turf)))
  				user << "The [src]'s error light flickers."
  				return 0
  			user << "Building Pipes ..."
  			playsound(get_turf(src), 'sound/machines/click.ogg', 50, 1)
  			if(do_after(user, 20))
  				activate()
  
negative.code: #define PIPE_TRINARY	2
  #define PIPE_TRIN_M		3
  #define PIPE_UNARY		4
  
  #define PAINT_MODE -2
  #define EATING_MODE -1
  #define ATMOS_MODE 0
  #define METER_MODE 1
  #define DISPOSALS_MODE 2
  
  /datum/pipe_info
  	var/id=-1
  