anchor.diff:  	if(usr.stat || !usr.canmove || usr.restrained())
   		return
   	on = !on
  -	var/mob/living/C = usr
   	if(on)
   		icon_state = "[icon_state]-on"
   	//	item_state = "[item_state]-on"
   		ion_trail.start()
  -		if(!has_gravity(C) && flying == 0)
  -			C.pass_flags += PASSTABLE
   	else
   		icon_state = initial(icon_state)
   	//	item_state = initial(item_state)
   		ion_trail.stop()
  -		if(!has_gravity(C) && flying == 0 && C.pass_flags & PASSTABLE) // so it removes PASSTABLE which they get when its on. Prevents loopholes.
  -			C.pass_flags -= PASSTABLE
   	usr << "<span class='notice'>You toggle the jetpack [on? "on":"off"].</span>"
   	return
   
  +
   /obj/item/weapon/tank/jetpack/proc/allow_thrust(num, mob/living/user)
  -	var/mob/living/C = usr
   	if(!(src.on))
   		return 0
   	if((num < 0.005 || src.air_contents.total_moles() < num))
   		src.ion_trail.stop()
  -		flying = 1
  -		if(!has_gravity(C) && C.pass_flags & PASSTABLE && flying == 1)
  -			C.pass_flags -= PASSTABLE
  -	if((num > 0.9 || src.air_contents.total_moles() > num) && flying == 1)
  -		if(C.pass_flags & PASSTABLE && src.on == on) // the final check to get rid of unwanted flags.
  -			C.pass_flags -= PASSTABLE
  -		flying = 0 //restores it back to normal.
  -		return
  +		return 0
   
   	var/datum/gas_mixture/G = src.air_contents.remove(num)
   
  
positive.code: 	var/datum/effect/effect/system/ion_trail_follow/ion_trail
  	var/on = 0.0
  	var/stabilization_on = 0
  	var/flying = 0 // Needed to control the PASSTABLE flag
  	var/volume_rate = 500              //Needed for borg jetpack transfer
  
  /obj/item/weapon/tank/jetpack/New()
  
negative.code: 
  		on = !on
  		if(on)
  			ion_trail.start()
  			tank = H.s_store
  			air_contents = tank.air_contents
  			SSobj.processing |= src
  