Converts most istype(thing,tool) procs into an appropriate thing.is_tool() format

code/modules/xenobio2/machinery/core_extractor.dm

@@ -32,16 +32,16 @@
 /obj/machinery/slime/extractor/attackby(var/obj/item/W, var/mob/user)
 
 	//Let's try to deconstruct first.
-	if(istype(W, /obj/item/weapon/screwdriver) && !inuse)
+	if(W.is_screwdriver() && !inuse)
 		default_deconstruction_screwdriver(user, W)
 		return
 
-	if(istype(W, /obj/item/weapon/crowbar))
+	if(W.is_crowbar())
 		default_deconstruction_crowbar(user, W)
 		return
 
 	if(panel_open)
-		user << "<span class='warning'>Close the panel first!</span>"
+		to_chat(user, "<span class='warning'>Close the panel first!</span>")
 
 	var/obj/item/weapon/grab/G = W
 
@@ -49,7 +49,7 @@
 		return ..()
 
 	if(G.state < 2)
-		user << "<span class='danger'>You need a better grip to do that!</span>"
+		to_chat(user, "<span class='danger'>You need a better grip to do that!</span>")
 		return
 
 	move_into_extractor(user,G.affecting)
@@ -62,20 +62,20 @@
 /obj/machinery/slime/extractor/proc/move_into_extractor(var/mob/user,var/mob/living/victim)
 
 	if(src.occupant)
-		user << "<span class='danger'>The core extractor is full, empty it first!</span>"
+		to_chat(user, "<span class='danger'>The core extractor is full, empty it first!</span>")
 		return
 
 	if(inuse)
-		user << "<span class='danger'>The core extractor is locked and running, wait for it to finish.</span>"
+		to_chat(user, "<span class='danger'>The core extractor is locked and running, wait for it to finish.</span>")
 		return
 
-	if(!(istype(victim, /mob/living/simple_animal/xeno/slime)) )
-		user << "<span class='danger'>This is not a suitable subject for the core extractor!</span>"
+	if(!(istype(victim, /mob/living/simple_animal/xeno/slime)))
+		to_chat(user, "<span class='danger'>This is not a suitable subject for the core extractor!</span>")
 		return
 
 	var/mob/living/simple_animal/xeno/slime/S = victim
 	if(S.is_child)
-		user << "<span class='danger'>This subject is not developed enough for the core extractor!</span>"
+		to_chat(user, "<span class='danger'>This subject is not developed enough for the core extractor!</span>")
 		return
 
 	user.visible_message("<span class='danger'>[user] starts to put [victim] into the core extractor!</span>")

code/modules/xenobio2/machinery/gene_manipulators.dm

@@ -24,7 +24,7 @@
 	if(genes.len)
 		var/choice = alert(user, "Are you sure you want to wipe the disk?", "Xenobiological Data", "No", "Yes")
 		if(src && user && genes && choice && choice == "Yes" && user.Adjacent(get_turf(src)))
-			user << "You wipe the disk data."
+			to_chat(user, "You wipe the disk data.")
 			name = initial(name)
 			desc = initial(name)
 			genes = list()
@@ -67,24 +67,24 @@
 		return
 	if(istype(W,/obj/item/weapon/disk/xenobio))
 		if(loaded_disk)
-			user << "There is already a data disk loaded."
+			to_chat(user, "There is already a data disk loaded.")
 			return
 		else
 			var/obj/item/weapon/disk/xenobio/B = W
 
 			if(B.genes && B.genes.len)
 				if(!disk_needs_genes)
-					user << "That disk already has gene data loaded."
+					to_chat(user, "That disk already has gene data loaded.")
 					return
 			else
 				if(disk_needs_genes)
-					user << "That disk does not have any gene data loaded."
+					to_chat(user, "That disk does not have any gene data loaded.")
 					return
 
 			user.drop_from_inventory(W)
 			W.forceMove(src)
 			loaded_disk = W
-			user << "You load [W] into [src]."
+			to_chat(user, "You load [W] into [src].")
 
 		return
 	..()
@@ -137,14 +137,14 @@
 /obj/machinery/xenobio/extractor/attackby(obj/item/weapon/W as obj, mob/user as mob)
 	if(istype(W,/obj/item/xenoproduct))
 		if(product)
-			user << "There is already a xenobiological product loaded."
+			to_chat(user, "There is already a xenobiological product loaded.")
 			return
 		else
 			var/obj/item/xenoproduct/B = W
 			user.drop_from_inventory(B)
 			B.forceMove(src)
 			product = B
-			user << "You load [B] into [src]."
+			to_chat(user, "You load [B] into [src].")
 
 		return
 	..()
@@ -280,7 +280,7 @@
 	if(istype(W,/obj/item/weapon/grab))
 		var/obj/item/weapon/grab/G = W
 		if(occupant)
-			user << "There is already an organism loaded."
+			to_chat(user, "There is already an organism loaded.")
 			return
 		else
 			if(isxeno(G.affecting))
@@ -289,9 +289,9 @@
 					user.drop_from_inventory(G)
 					X.forceMove(src)
 					occupant = X
-					user << "You load [X] into [src]."
+					to_chat(user, "You load [X] into [src]."
 			else
-				user << "<span class='danger'>This specimen is incompatible with the machinery!</span>"
+				to_chat(user, "<span class='danger'>This specimen is incompatible with the machinery!</span>")
 		return
 	..()
 
@@ -374,15 +374,15 @@
 /obj/machinery/xenobio/editor/proc/move_into_editor(var/mob/user,var/mob/living/victim)
 
 	if(src.occupant)
-		user << "<span class='danger'>The [src] is full, empty it first!</span>"
+		to_chat(user, "<span class='danger'>The [src] is full, empty it first!</span>")
 		return
 
 	if(in_use)
-		user << "<span class='danger'>The [src] is locked and running, wait for it to finish.</span>"
+		to_chat(user, "<span class='danger'>The [src] is locked and running, wait for it to finish.</span>")
 		return
 
 	if(!(istype(victim, /mob/living/simple_animal/xeno/slime)) )
-		user << "<span class='danger'>This is not a suitable subject for the [src]!</span>"
+		to_chat(user, "<span class='danger'>This is not a suitable subject for the [src]!</span>")
 		return
 
 	user.visible_message("<span class='danger'>[user] starts to put [victim] into the [src]!</span>")

code/modules/xenobio2/machinery/injector.dm

@@ -93,11 +93,11 @@
 /obj/machinery/xenobio2/manualinjector/attackby(var/obj/item/W, var/mob/user)
 
 	//Let's try to deconstruct first.
-	if(istype(W, /obj/item/weapon/screwdriver))
+	if(W.is_screwdriver())
 		default_deconstruction_screwdriver(user, W)
 		return
 
-	if(istype(W, /obj/item/weapon/crowbar) && !occupant)
+	if(W.is_crowbar() && !occupant)
 		default_deconstruction_crowbar(user, W)
 		return
 
@@ -109,7 +109,7 @@
 		return
 
 	//Did you want to link it?
-	if(istype(W, /obj/item/device/multitool))
+	if(W.is_multitool())
 		var/obj/item/device/multitool/P = W
 		if(P.connectable)
 			if(istype(P.connectable, /obj/machinery/computer/xenobio2))

code/modules/xenobio2/machinery/slime_replicator.dm

@@ -30,11 +30,11 @@
 
 /obj/machinery/slime/replicator/attackby(var/obj/item/W, var/mob/user)
 	//Let's try to deconstruct first.
-	if(istype(W, /obj/item/weapon/screwdriver) && !inuse)
+	if(W.is_screwdriver() && !inuse)
 		default_deconstruction_screwdriver(user, W)
 		return
 
-	if(istype(W, /obj/item/weapon/crowbar))
+	if(W.is_crowbar())
 		default_deconstruction_crowbar(user, W)
 		return