Converts some istype's to use helpers (#3224)

Converts various istype's to use helpers. Mainly:
Cable
Wrench
Screwdriver
Multitool
Crowbar
Wirecutter

And makes the helpers defines.

code/ATMOSPHERICS/components/binary_devices/circulator.dm

@@ -88,7 +88,7 @@
 	return 1
 
 /obj/machinery/atmospherics/binary/circulator/attackby(obj/item/weapon/W as obj, mob/user as mob)
-	if(istype(W, /obj/item/weapon/wrench))
+	if(iswrench(W))
 		playsound(src.loc, 'sound/items/Ratchet.ogg', 75, 1)
 		anchored = !anchored
 		user.visible_message("[user.name] [anchored ? "secures" : "unsecures"] the bolts holding [src.name] to the floor.", \

code/ATMOSPHERICS/components/binary_devices/passive_gate.dm

@@ -235,7 +235,7 @@
 	return
 
 /obj/machinery/atmospherics/binary/passive_gate/attackby(var/obj/item/weapon/W as obj, var/mob/user as mob)
-	if (!istype(W, /obj/item/weapon/wrench))
+	if (!iswrench(W))
 		return ..()
 	if (unlocked)
 		user << "<span class='warning'>You cannot unwrench \the [src], turn it off first.</span>"

code/ATMOSPHERICS/components/binary_devices/pipeturbine.dm

@@ -86,7 +86,7 @@
 			add_overlay("hi-turb")
 
 	attackby(obj/item/weapon/W as obj, mob/user as mob)
-		if(istype(W, /obj/item/weapon/wrench))
+		if(iswrench(W))
 			anchored = !anchored
 			user << "<span class='notice'>You [anchored ? "secure" : "unsecure"] the bolts holding \the [src] to the floor.</span>"
 
@@ -257,7 +257,7 @@
 
 
 	attackby(obj/item/weapon/W as obj, mob/user as mob)
-		if(istype(W, /obj/item/weapon/wrench))
+		if(iswrench(W))
 			anchored = !anchored
 			turbine = null
 			user << "<span class='notice'>You [anchored ? "secure" : "unsecure"] the bolts holding \the [src] to the floor.</span>"

code/ATMOSPHERICS/components/binary_devices/pump.dm

@@ -214,7 +214,7 @@ Thus, the two variables affect pump operation are set in New():
 		update_icon()
 
 /obj/machinery/atmospherics/binary/pump/attackby(var/obj/item/weapon/W as obj, var/mob/user as mob)
-	if (!istype(W, /obj/item/weapon/wrench))
+	if (!iswrench(W))
 		return ..()
 	if (!(stat & NOPOWER) && use_power)
 		user << "<span class='warning'>You cannot unwrench this [src], turn it off first.</span>"

code/ATMOSPHERICS/components/omni_devices/omni_base.dm

@@ -84,7 +84,7 @@
 		update_icon()
 
 /obj/machinery/atmospherics/omni/attackby(var/obj/item/weapon/W as obj, var/mob/user as mob)
-	if(!istype(W, /obj/item/weapon/wrench))
+	if(!iswrench(W))
 		return ..()
 
 	var/int_pressure = 0

code/ATMOSPHERICS/components/portables_connector.dm

@@ -131,7 +131,7 @@
 
 
 /obj/machinery/atmospherics/portables_connector/attackby(var/obj/item/weapon/W as obj, var/mob/user as mob)
-	if (!istype(W, /obj/item/weapon/wrench))
+	if (!iswrench(W))
 		return ..()
 	if (connected_device)
 		user << "<span class='warning'>You cannot unwrench \the [src], dettach \the [connected_device] first.</span>"

code/ATMOSPHERICS/components/trinary_devices/filter.dm

@@ -129,7 +129,7 @@
 	..()
 
 /obj/machinery/atmospherics/trinary/filter/attackby(var/obj/item/weapon/W as obj, var/mob/user as mob)
-	if (!istype(W, /obj/item/weapon/wrench))
+	if (!iswrench(W))
 		return ..()
 	var/datum/gas_mixture/int_air = return_air()
 	var/datum/gas_mixture/env_air = loc.return_air()

code/ATMOSPHERICS/components/trinary_devices/mixer.dm

@@ -104,7 +104,7 @@
 	return 1
 
 /obj/machinery/atmospherics/trinary/mixer/attackby(var/obj/item/weapon/W as obj, var/mob/user as mob)
-	if (!istype(W, /obj/item/weapon/wrench))
+	if (!iswrench(W))
 		return ..()
 	var/datum/gas_mixture/int_air = return_air()
 	var/datum/gas_mixture/env_air = loc.return_air()

code/ATMOSPHERICS/components/tvalve.dm

@@ -342,7 +342,7 @@
 				go_to_side()
 
 /obj/machinery/atmospherics/tvalve/attackby(var/obj/item/weapon/W as obj, var/mob/user as mob)
-	if (!istype(W, /obj/item/weapon/wrench))
+	if (!iswrench(W))
 		return ..()
 	if (istype(src, /obj/machinery/atmospherics/tvalve/digital))
 		user << "<span class='warning'>You cannot unwrench \the [src], it's too complicated.</span>"

code/ATMOSPHERICS/components/unary/heat_exchanger.dm

@@ -66,7 +66,7 @@
 		return 1
 
 	attackby(var/obj/item/weapon/W as obj, var/mob/user as mob)
-		if (!istype(W, /obj/item/weapon/wrench))
+		if (!iswrench(W))
 			return ..()
 		var/turf/T = src.loc
 		if (level==1 && isturf(T) && !T.is_plating())

code/ATMOSPHERICS/components/unary/vent_pump.dm

@@ -350,7 +350,7 @@
 	return
 
 /obj/machinery/atmospherics/unary/vent_pump/attackby(obj/item/W, mob/user)
-	if(istype(W, /obj/item/weapon/weldingtool))
+	if(iswelder(W))
 		var/obj/item/weapon/weldingtool/WT = W
 		if (!WT.welding)
 			user << "<span class='danger'>\The [WT] must be turned on!</span>"
@@ -390,7 +390,7 @@
 		update_icon()
 
 /obj/machinery/atmospherics/unary/vent_pump/attackby(var/obj/item/weapon/W as obj, var/mob/user as mob)
-	if (!istype(W, /obj/item/weapon/wrench))
+	if (!iswrench(W))
 		return ..()
 	if (!(stat & NOPOWER) && use_power)
 		user << "<span class='warning'>You cannot unwrench \the [src], turn it off first.</span>"

code/ATMOSPHERICS/components/unary/vent_scrubber.dm

@@ -260,7 +260,7 @@
 		update_icon()
 
 /obj/machinery/atmospherics/unary/vent_scrubber/attackby(var/obj/item/weapon/W as obj, var/mob/user as mob)
-	if (istype(W, /obj/item/weapon/wrench))
+	if (iswrench(W))
 		if (!(stat & NOPOWER) && use_power)
 			user << "<span class='warning'>You cannot unwrench \the [src], turn it off first.</span>"
 			return 1
@@ -285,7 +285,7 @@
 			qdel(src)
 		return 1
 
-	if(istype(W, /obj/item/weapon/weldingtool))
+	if(iswelder(W))
 		var/obj/item/weapon/weldingtool/WT = W
 		if (!WT.welding)
 			user << "<span class='danger'>\The [WT] must be turned on!</span>"

code/ATMOSPHERICS/components/valve.dm

@@ -300,7 +300,7 @@
 				open()
 
 /obj/machinery/atmospherics/valve/attackby(var/obj/item/weapon/W as obj, var/mob/user as mob)
-	if (!istype(W, /obj/item/weapon/wrench))
+	if (!iswrench(W))
 		return ..()
 	if (istype(src, /obj/machinery/atmospherics/valve/digital))
 		user << "<span class='warning'>You cannot unwrench \the [src], it's too complicated.</span>"