Basic setup for the frequency modifier thing.

Alterable Items
- Airlocks
- Buttons
- Ignighters
- Air Injecters
- Mass Drivers
- Convayor belts
- Shutters
- Wall mounted flashers

External Airlocks like the ones at the solars are going to take a little
more setup to get working as there are 7 things that need changing.

Bluespace Techs spawn with one in their bag.

Gravity no longer spams SoundScopes wil messages

code/modules/aurora/bluespacetech.dm

@@ -59,6 +59,7 @@
 	else
 		bst.equip_to_slot_or_del(new /obj/item/weapon/storage/box/ids(bst.back), slot_in_backpack)
 		bst.equip_to_slot_or_del(new /obj/item/device/t_scanner(bst.back), slot_in_backpack)
+		bst.equip_to_slot_or_del(new /obj/item/device/signaltool(bst.back), slot_in_backpack)
 
 	//Implant because access
 	var/obj/item/weapon/implant/loyalty/L = new/obj/item/weapon/implant/loyalty(bst)

code/modules/mob/mob_movement.dm

@@ -206,12 +206,14 @@
 	if(!mob.lastarea)
 		mob.lastarea = get_area(mob.loc)
 
+	if(mob.floating && mob.mob_has_gravity(mob.loc))
+		mob.float(0)
+	else if(!mob.floating && !mob.mob_has_gravity(mob.loc))
+		mob.float(1)
+
 	if((istype(mob.loc, /turf/space)) || (mob.lastarea.has_gravity == 0))
 		if(!mob.Process_Spacemove(0))	return 0
 
-	if(mob.floating & mob.mob_has_gravity(mob.loc))
-		mob.float(0)
-
 	if(isobj(mob.loc) || ismob(mob.loc))//Inside an object, tell it we moved
 		var/atom/O = mob.loc
 		return O.relaymove(mob, direct)
@@ -445,8 +447,6 @@
 		return 0
 	//If not then we can reset inertia and move
 	inertia_dir = 0
-	if(!floating)
-		src.float(1)
 	return 1
 
 

code/modules/recycling/conveyor2.dm

@@ -93,6 +93,10 @@
 
 // attack with item, place item on conveyor
 /obj/machinery/conveyor/attackby(var/obj/item/I, mob/user)
+	if(istype(I, /obj/item/device/signaltool))
+		var/obj/item/device/signaltool/ST = I
+		id = ST.change_ID(id)
+		return
 	if(isrobot(user))	return //Carn: fix for borgs dropping their modules on conveyor belts
 	user.drop_item()
 	if(I && I.loc)	I.loc = src.loc
@@ -235,6 +239,12 @@
 			S.position = position
 			S.update()
 
+/obj/machinery/conveyor_switch/attackby(obj/item/weapon/W as obj, mob/user as mob)
+	if(istype(W, /obj/item/device/signaltool))
+		var/obj/item/device/signaltool/ST = W
+		id = ST.change_ID(id)
+		return
+
 /obj/machinery/conveyor_switch/oneway
 	var/convdir = 1 //Set to 1 or -1 depending on which way you want the convayor to go. (In other words keep at 1 and set the proper dir on the belts.)
 	desc = "A conveyor control switch. It appears to only go in one direction."