grav gen defines & poking subsystems with a stick

code/controllers/subsystem/machines.dm

@@ -47,10 +47,7 @@ SUBSYSTEM_DEF(machines)
 	while(currentrun.len)
 		var/obj/machinery/thing = currentrun[currentrun.len]
 		currentrun.len--
-		if(!QDELETED(thing) && thing.process(seconds) != PROCESS_KILL)
-			//if(thing.use_power)
-				//thing.auto_use_power() //add back the power state //need help deciding what to do here other than commenting this out. if still it it doubles a lot of idle machine draws.
-		else
+		if(QDELETED(thing) || thing.process(seconds) == PROCESS_KILL)
 			processing -= thing
 			if (!QDELETED(thing))
 				thing.datum_flags &= ~DF_ISPROCESSING

code/game/machinery/shuttle/ship_gravity.dm

@@ -9,8 +9,8 @@
 	icon_state = "shipgrav"
 	base_icon_state = "shipgrav"
 	density = TRUE
-	idle_power_usage = 10
-	active_power_usage = 5000
+	idle_power_usage = IDLE_DRAW_MINIMAL
+	active_power_usage = ACTIVE_DRAW_EXTREME
 	circuit = /obj/item/circuitboard/machine/ship_gravity
 	var/charging = FALSE
 	var/active = FALSE