Revert from area to text.

Conflicts:
	code/modules/power/power.dm

code/ZAS/Airflow.dm

@@ -86,7 +86,7 @@ obj/item/check_airflow_movable(n)
 				return
 			if(src:shoes)
 				if(istype(src:shoes, /obj/item/clothing/shoes/magboots))
-					if(src:shoes:magpulse)
+					if(src:shoes.flags & NOSLIP)
 						return
 		src << "\red You are sucked away by airflow!"
 	var/airflow_falloff = 9 - ul_FalloffAmount(airflow_dest) //It's a fast falloff calc.  Very useful.

code/game/machinery/machinery.dm

@@ -112,7 +112,7 @@ Class Procs:
 	var/global/gl_uid = 1
 	var/custom_aghost_alerts=0
 	var/panel_open = 0
-	var/area/myArea
+	var/myArea
 
 /obj/machinery/New()
 	addAtProcessing()

code/modules/power/power.dm

@@ -56,17 +56,21 @@
 
 
 /obj/machinery/proc/use_power(var/amount, var/chan = -1, var/autocalled = 0) // defaults to power_channel
-	var/area/A = getArea()
+	var/A = getArea()
 
-	if(!A || !isarea(A) || !A.master)
+	if(!A || !isarea(A))
 		return
 
-	if(chan == -1)
+	var/area/B = A
+
+	if (!B.master)
+		return
+
+	if (-1 == chan)
 		chan = power_channel
 
-	A.master.use_power(amount, chan)
-	if(!autocalled)
-		A.master.powerupdate = 2	// Decremented by 2 each GC tick, since it's not auto power change we're going to update power twice.
+
+	B.master.use_power(amount, chan)
 
 /obj/machinery/proc/power_change()		// called whenever the power settings of the containing area change
 										// by default, check equipment channel & set flag