COMPLETELY FUCKING REFACTORS TOOL CHECKING CODE

dear FUCKING GOD why was it like this, it hurts soooo bad DDDD:

code/modules/antagonists/abductor/equipment/abduction_gear.dm

@@ -636,7 +636,7 @@ Congratulations! You are now trained for invasive xenobiology research!"}
 	AddComponent(/datum/component/wearertargeting/earprotection, list(SLOT_EARS))
 
 /obj/item/radio/headset/abductor/attackby(obj/item/W, mob/user, params)
-	if(istype(W, /obj/item/screwdriver))
+	if(W.tool_behavior == TOOL_SCREWDRIVER)
 		return // Stops humans from disassembling abductor headsets.
 	return ..()
 
@@ -703,7 +703,7 @@ Congratulations! You are now trained for invasive xenobiology research!"}
 	framestackamount = 1
 
 /obj/structure/table_frame/abductor/attackby(obj/item/I, mob/user, params)
-	if(istype(I, /obj/item/wrench))
+	if(I.tool_behaviour == TOOL_WRENCH)
 		to_chat(user, "<span class='notice'>You start disassembling [src]...</span>")
 		I.play_tool_sound(src)
 		if(I.use_tool(src, user, 30))

code/modules/antagonists/bloodsucker/items/bloodsucker_stake.dm

@@ -49,7 +49,7 @@
 	// This exists so Hardened/Silver Stake can't have a welding torch used on them.
 
 /obj/item/stake/basic/attackby(obj/item/W, mob/user, params)
-	if(istype(W, /obj/item/weldingtool))
+	if(W.tool_behavior == TOOL_WELDER)
 		//if (amWelded)
 		//	to_chat(user, "<span class='warning'>This stake has already been treated with fire.</span>")
 		//	return
@@ -146,7 +146,7 @@
 
 // Convert back to Silver
 /obj/item/stake/hardened/silver/attackby(obj/item/I, mob/user, params)
-	if(istype(I, /obj/item/weldingtool))
+	if(I.tool_behavior == TOOL_WELDER)
 		var/obj/item/weldingtool/WT = I
 		if(WT.use(0))//remove_fuel(0, user))
 			var/obj/item/stack/sheet/mineral/silver/newsheet = new (user.loc)

code/modules/antagonists/bloodsucker/objects/bloodsucker_coffin.dm

@@ -169,11 +169,11 @@
 			if(istype(W, cutting_tool))
 				to_chat(user, "<span class='notice'>This is a much more complex mechanical structure than you thought. You don't know where to begin cutting [src].</span>")
 				return
-		else if(anchored && istype(W, /obj/item/wrench)) // Can't unanchor unless owner.
+		else if(anchored && W.tool_behavior == TOOL_WRENCH) // Can't unanchor unless owner.
 			to_chat(user, "<span class='danger'>The coffin won't come unanchored from the floor.</span>")
 			return
 
-	if(locked && istype(W, /obj/item/crowbar))
+	if(locked && W.tool_behavior == TOOL_CROWBAR)
 		var/pry_time = pryLidTimer * W.toolspeed // Pry speed must be affected by the speed of the tool.
 		user.visible_message("<span class='notice'>[user] tries to pry the lid off of [src] with [W].</span>", \
 							  "<span class='notice'>You begin prying the lid off of [src] with [W]. This should take about [DisplayTimeText(pry_time)].</span>")

code/modules/antagonists/bloodsucker/objects/bloodsucker_crypt.dm

@@ -353,7 +353,7 @@
 			torture_time -= 1
 		else if(I.sharpness == IS_SHARP_ACCURATE)
 			torture_time -= 2
-		if(istype(I, /obj/item/weldingtool))
+		if(I.tool_behavior == TOOL_WELDER)
 			var/obj/item/weldingtool/welder = I
 			welder.welding = TRUE
 			torture_time -= 5

code/modules/antagonists/clockcult/clock_structure.dm

@@ -95,7 +95,7 @@
 		return ..()
 
 /obj/structure/destructible/clockwork/attackby(obj/item/I, mob/user, params)
-	if(is_servant_of_ratvar(user) && istype(I, /obj/item/wrench) && unanchored_icon)
+	if(is_servant_of_ratvar(user) && I.tool_behaviour == TOOL_WRENCH && unanchored_icon)
 		if(default_unfasten_wrench(user, I, 50) == SUCCESSFUL_UNFASTEN)
 			update_anchored(user)
 		return 1

code/modules/antagonists/clockcult/clock_structures/wall_gear.dm

@@ -24,10 +24,10 @@
 	return
 
 /obj/structure/destructible/clockwork/wall_gear/attackby(obj/item/I, mob/user, params)
-	if(istype(I, /obj/item/wrench))
+	if(I.tool_behaviour == TOOL_WRENCH)
 		default_unfasten_wrench(user, I, 10)
 		return 1
-	else if(istype(I, /obj/item/screwdriver))
+	else if(I.tool_behavior == TOOL_SCREWDRIVER)
 		if(anchored)
 			to_chat(user, "<span class='warning'>[src] needs to be unsecured to disassemble it!</span>")
 		else

code/modules/antagonists/nukeop/equipment/nuclearbomb.dm

@@ -114,7 +114,7 @@
 				return
 
 		if(NUKESTATE_PANEL_REMOVED)
-			if(istype(I, /obj/item/weldingtool))
+			if(I.tool_behavior == TOOL_WELDER)
 				if(!I.tool_start_check(user, amount=1))
 					return
 				to_chat(user, "<span class='notice'>You start cutting [src]'s inner plate...</span>")

code/modules/antagonists/swarmer/swarmer.dm

@@ -43,7 +43,7 @@
 	to_chat(user, "<span class='notice'>Picking up the swarmer may cause it to activate. You should be careful about this.</span>")
 
 /obj/effect/mob_spawn/swarmer/attackby(obj/item/W, mob/user, params)
-	if(istype(W, /obj/item/screwdriver) && user.a_intent != INTENT_HARM)
+	if(W.tool_behavior == TOOL_SCREWDRIVER && user.a_intent != INTENT_HARM)
 		user.visible_message("<span class='warning'>[usr.name] deactivates [src].</span>",
 			"<span class='notice'>After some fiddling, you find a way to disable [src]'s power source.</span>",
 			"<span class='italics'>You hear clicking.</span>")