[MIRROR] some istype to macros (#9802)

Co-authored-by: Kashargul <144968721+Kashargul@users.noreply.github.com>

code/game/objects/items/blueprints.dm

@@ -44,7 +44,7 @@
 	var/can_rename_areas_in = AREA_STATION	// Only station areas can be reanamed
 
 /obj/item/blueprints/attack_self(mob/M as mob)
-	if (!istype(M,/mob/living/carbon/human))
+	if (!ishuman(M))
 		to_chat(M, "This stack of blue paper means nothing to you.") //monkeys cannot into projecting
 		return
 	interact()

code/game/objects/items/devices/communicator/UI_tgui.dm

@@ -385,7 +385,7 @@
 				to_chat(ui.user, span_notice("[icon2html(src, ui.user.client)] Sent message to [istype(comm, /obj/item/communicator) ? comm.owner : comm.name], <b>\"[text]\"</b> (<a href='byond://?src=\ref[src];action=Reply;target=\ref[exonet.get_atom_from_address(comm.exonet.address)]'>Reply</a>)"))
 				for(var/mob/M in player_list)
 					if(M.stat == DEAD && M.client?.prefs?.read_preference(/datum/preference/toggle/ghost_ears))
-						if(istype(M, /mob/new_player) || M.forbid_seeing_deadchat)
+						if(isnewplayer(M) || M.forbid_seeing_deadchat)
 							continue
 						if(exonet.get_atom_from_address(their_address) == M)
 							continue

code/game/objects/items/devices/communicator/communicator.dm

@@ -214,7 +214,7 @@ var/global/list/obj/item/communicator/all_communicators = list()
 // Description: Sets up the exonet datum, gives the device an address, and then gets a node reference.  Afterwards, populates the device
 //				list.
 /obj/item/communicator/proc/initialize_exonet(mob/user)
-	if(!user || !istype(user, /mob/living))
+	if(!user || !isliving(user))
 		return
 	if(!exonet)
 		exonet = new(src)

code/game/objects/items/devices/communicator/messaging.dm

@@ -162,7 +162,7 @@
 			log_pda("(DCOMM: [src]) sent \"[text_message]\" to [chosen_communicator]", src)
 			for(var/mob/M in player_list)
 				if(M.stat == DEAD && M.client?.prefs?.read_preference(/datum/preference/toggle/ghost_ears))
-					if(istype(M, /mob/new_player) || M.forbid_seeing_deadchat)
+					if(isnewplayer(M) || M.forbid_seeing_deadchat)
 						continue
 					if(M == src)
 						continue

code/game/objects/items/devices/holowarrant.dm

@@ -17,7 +17,7 @@
 	. = ..()
 	if(active)
 		. += "It's a holographic warrant for '[active.fields["namewarrant"]]'."
-	if(in_range(user, src) || istype(user, /mob/observer/dead))
+	if(in_range(user, src) || isobserver(user))
 		show_content(user) //Opens a browse window, not chatbox related
 	else
 		. += span_notice("You have to go closer if you want to read it.")

code/game/objects/items/devices/personal_shield_generator_vr.dm

@@ -300,7 +300,7 @@
 
 /obj/item/personal_shield_generator/process()
 	if(!bcell) //They removed the battery midway.
-		if(istype(loc, /mob/living/carbon/human)) //We on someone? Tell them it turned off.
+		if(ishuman(loc)) //We on someone? Tell them it turned off.
 			var/mob/living/carbon/human/user = loc
 			to_chat(user, span_warning("The shield deactivates! An error message pops up on screen: 'Cell missing. Cell replacement required.'"))
 			user.remove_modifiers_of_type(/datum/modifier/shield_projection)
@@ -312,7 +312,7 @@
 
 	if(shield_active)
 		if(bcell.rigged) //They turned it back on after it was rigged to go boom.
-			if(istype(loc, /mob/living/carbon/human)) //Deactivate the shield, first. You're not getting reduced damage...
+			if(ishuman(loc)) //Deactivate the shield, first. You're not getting reduced damage...
 				var/mob/living/carbon/human/user = loc
 				to_chat(user, span_warning("The shield deactivates, an error message popping up on screen: 'Cell Reactor Critically damaged. Cell replacement required.'"))
 				user.remove_modifiers_of_type(/datum/modifier/shield_projection)
@@ -333,7 +333,7 @@
 
 	if(bcell.charge < generator_hit_cost || bcell.charge < generator_active_cost) //Out of charge...
 		shield_active = 0
-		if(istype(loc, /mob/living/carbon/human)) //We on someone? Tell them it turned off.
+		if(ishuman(loc)) //We on someone? Tell them it turned off.
 			var/mob/living/carbon/human/user = loc
 			to_chat(user, span_warning("The shield deactivates, an error message popping up on screen: 'Cell out of charge.'"))
 			user.remove_modifiers_of_type(/datum/modifier/shield_projection)

code/game/objects/items/devices/radio/electropack.dm

@@ -47,7 +47,7 @@
 	//..()
 	if(usr.stat || usr.restrained())
 		return
-	if(((istype(usr, /mob/living/carbon/human) && ((!( ticker ) || (ticker && ticker.mode != "monkey")) && usr.contents.Find(src))) || (usr.contents.Find(master) || (in_range(src, usr) && istype(loc, /turf)))))
+	if(((ishuman(usr) && ((!( ticker ) || (ticker && ticker.mode != "monkey")) && usr.contents.Find(src))) || (usr.contents.Find(master) || (in_range(src, usr) && istype(loc, /turf)))))
 		usr.set_machine(src)
 		if(href_list["freq"])
 			var/new_frequency = sanitize_frequency(frequency + text2num(href_list["freq"]))
@@ -108,7 +108,7 @@
 
 /obj/item/radio/electropack/attack_self(mob/user as mob, flag1)
 
-	if(!istype(user, /mob/living/carbon/human))
+	if(!ishuman(user))
 		return
 	user.set_machine(src)
 	var/dat = {"<TT>

code/game/objects/items/devices/radio/headset.dm

@@ -216,7 +216,7 @@
 /obj/item/radio/headset/mob_headset/afterattack(var/atom/movable/target, mob/living/user, proximity)
 	if(!proximity)
 		return
-	if(istype(target,/mob/living/simple_mob))
+	if(isanimal(target))
 		var/mob/living/simple_mob/M = target
 		if(!M.mob_radio)
 			user.drop_item()

code/game/objects/items/devices/radio/radio.dm

@@ -418,7 +418,7 @@ GLOBAL_DATUM(autospeaker, /mob/living/silicon/ai/announcer)
 		jobname = JOB_CYBORG
 
 	// --- Personal AI (pAI) ---
-	else if (istype(M, /mob/living/silicon/pai))
+	else if (ispAI(M))
 		jobname = "Personal AI"
 
 	// --- Unidentifiable mob ---

code/game/objects/items/devices/scanners/health.dm

@@ -101,7 +101,7 @@
 			dat += span_boldnotice("Subject died [DisplayTimeText(tdelta)] ago - resuscitation may be possible!")
 			dat += "<br>"
 	//VOREStation edit/addition ends
-	if(istype(M, /mob/living/carbon/human) && mode == 1)
+	if(ishuman(M) && mode == 1)
 		var/mob/living/carbon/human/H = M
 		var/list/damaged = H.get_damaged_organs(1,1)
 		dat += 	span_notice("Localized Damage, Brute/Burn:")

code/game/objects/items/devices/scanners/sleevemate.dm

@@ -301,7 +301,7 @@ var/global/mob/living/carbon/human/dummy/mannequin/sleevemate_mob
 		if(!istype(target))
 			return
 
-		if(istype(target, /mob/living/carbon/human))
+		if(ishuman(target))
 			var/mob/living/carbon/human/H = target
 			if(H.resleeve_lock && stored_mind.loaded_from_ckey != H.resleeve_lock)
 				to_chat(usr,span_warning("\The [H] is protected from impersonation!"))
@@ -348,7 +348,7 @@ var/global/mob/living/carbon/human/dummy/mannequin/sleevemate_mob
 	spark_system.set_up(5, 0, src.loc)
 	spark_system.start()
 	playsound(src, "sparks", 50, 1)
-	if(istype(src.loc,/mob/living))
+	if(isliving(src.loc))
 		var/mob/living/L = src.loc
 		L.unEquip(src)
 	src.forceMove(get_turf(src))

code/game/objects/items/devices/translocator_vr.dm

@@ -255,7 +255,7 @@ This device records all warnings given and teleport events for admin review in c
 	if(!teleport_checks(target,user))
 		return //The checks proc can send them a message if it wants.
 
-	if(istype(target, /mob/living))
+	if(isliving(target))
 		var/mob/living/L = target
 		if(!L.stat)
 			if(L != user)
@@ -270,7 +270,7 @@ This device records all warnings given and teleport events for admin review in c
 	power_source.use(charge_cost)
 
 	//Unbuckle taur riders
-	if(istype(target, /mob/living))
+	if(isliving(target))
 		var/mob/living/L = target
 		if(LAZYLEN(L.buckled_mobs))
 			var/datum/riding/R = L.riding_datum

code/game/objects/items/falling_object_vr.dm

@@ -31,7 +31,7 @@
 	qdel(src)
 
 /atom/movable/proc/end_fall(var/crushing = FALSE)
-	if(istype(src, /mob/living))
+	if(isliving(src))
 		var/mob/living/L = src
 		if(L.vore_selected && L.can_be_drop_pred && L.drop_vore)
 			for(var/mob/living/P in loc)

code/game/objects/items/lockpicks.dm

@@ -30,7 +30,7 @@
 			if(do_after(user, pick_time * D.lock_difficulty))
 				to_chat(user, span_notice("Success!"))
 				D.locked = FALSE
-	else if(istype(A,/mob/living/carbon/human)) //you can pick your friends, and you can pick your nose, but you can't pick your friend's nose
+	else if(ishuman(A)) //you can pick your friends, and you can pick your nose, but you can't pick your friend's nose
 		var/mob/living/carbon/human/H = A
 		if(user.zone_sel.selecting == BP_HEAD)
 			if(H == user)

code/game/objects/items/stacks/medical.dm

@@ -29,7 +29,7 @@
 		balloon_alert(user, "Not enough [uses_charge ? "charge" : "items"] left to use that!") // CHOMPEdit - Balloon Alerts
 		return 1
 
-	if (istype(M, /mob/living/carbon/human))
+	if (ishuman(M))
 		var/mob/living/carbon/human/H = M
 		var/obj/item/organ/external/affecting = H.get_organ(user.zone_sel.selecting)
 
@@ -94,7 +94,7 @@
 	if(..())
 		return 1
 
-	if (istype(M, /mob/living/carbon/human))
+	if (ishuman(M))
 		var/mob/living/carbon/human/H = M
 		var/obj/item/organ/external/affecting = H.get_organ(user.zone_sel.selecting)
 
@@ -163,7 +163,7 @@
 	if(..())
 		return 1
 
-	if (istype(M, /mob/living/carbon/human))
+	if (ishuman(M))
 		var/mob/living/carbon/human/H = M
 		var/obj/item/organ/external/affecting = H.get_organ(user.zone_sel.selecting)
 
@@ -237,7 +237,7 @@
 	if(..())
 		return 1
 
-	if (istype(M, /mob/living/carbon/human))
+	if (ishuman(M))
 		var/mob/living/carbon/human/H = M
 		var/obj/item/organ/external/affecting = H.get_organ(user.zone_sel.selecting)
 
@@ -282,7 +282,7 @@
 	if(..())
 		return 1
 
-	if (istype(M, /mob/living/carbon/human))
+	if (ishuman(M))
 		var/mob/living/carbon/human/H = M
 		var/obj/item/organ/external/affecting = H.get_organ(user.zone_sel.selecting)
 
@@ -352,7 +352,7 @@
 	if(..())
 		return 1
 
-	if (istype(M, /mob/living/carbon/human))
+	if (ishuman(M))
 		var/mob/living/carbon/human/H = M
 		var/obj/item/organ/external/affecting = H.get_organ(user.zone_sel.selecting)
 
@@ -395,7 +395,7 @@
 	if(..())
 		return 1
 
-	if (istype(M, /mob/living/carbon/human))
+	if (ishuman(M))
 		var/mob/living/carbon/human/H = M
 		var/obj/item/organ/external/affecting = H.get_organ(user.zone_sel.selecting)
 		var/limb = affecting.name

code/game/objects/items/stacks/nanopaste.dm

@@ -26,7 +26,7 @@
 		else
 			balloon_alert(user, "All [R]'s systems are nominal.") // CHOMPEdit - Balloon Alerts
 
-	if (istype(M,/mob/living/carbon/human))		//Repairing robolimbs
+	if (ishuman(M))		//Repairing robolimbs
 		var/mob/living/carbon/human/H = M
 		var/obj/item/organ/external/S = H.get_organ(user.zone_sel.selecting)
 		if(!S)

code/game/objects/items/toys/toys.dm

@@ -185,7 +185,7 @@
 	cut_overlays()		//So that it doesn't keep stacking overlays non-stop on top of each other
 	if(active)
 		add_overlay(blade_overlay)
-	if(istype(usr,/mob/living/carbon/human))
+	if(ishuman(usr))
 		var/mob/living/carbon/human/H = usr
 		H.update_inv_l_hand()
 		H.update_inv_r_hand()

code/game/objects/items/toys/toys_vr.dm

@@ -511,7 +511,7 @@
 		user.visible_message(span_warning("[user] presses the big red button."), span_notice("You press the button, it plays a loud noise!"), span_notice("The button clicks loudly."))
 		playsound(src, 'sound/effects/explosionfar.ogg', 50, 0, 0)
 		for(var/mob/M in range(10, src)) // Checks range
-			if(!M.stat && !istype(M, /mob/living/silicon/ai)) // Checks to make sure whoever's getting shaken is alive/not the AI
+			if(!M.stat && !isAI(M)) // Checks to make sure whoever's getting shaken is alive/not the AI
 				sleep(2) // Short delay to match up with the explosion sound
 				shake_camera(M, 2, 1)
 	else
@@ -876,7 +876,7 @@
 			icon_state = "tastybread"
 
 /obj/item/toy/snake_popper/attack(mob/living/M as mob, mob/user as mob)
-	if(istype(M,/mob/living/carbon/human))
+	if(ishuman(M))
 		if(!popped)
 			to_chat(user, span_warning("A snake popped out of [src]!"))
 			if(real == 0)
@@ -1031,7 +1031,7 @@
 
 /obj/item/toy/desk/MouseDrop(mob/user as mob) // Code from Paper bin, so you can still pick up the deck
 	if((user == usr && (!( user.restrained() ) && (!( user.stat ) && (user.contents.Find(src) || in_range(src, user))))))
-		if(!istype(user, /mob/living/simple_mob))
+		if(!isanimal(user))
 			if(!user.get_active_hand())		//if active hand is empty
 				var/mob/living/carbon/human/H = user
 				var/obj/item/organ/external/temp = H.organs_by_name["r_hand"]

code/game/objects/items/weapons/AI_modules.dm

@@ -76,7 +76,7 @@ AI MODULES
 			comp.current.show_laws()
 			to_chat(user, "Upload complete. The robot's laws have been modified.")
 
-	else if(istype(AM, /mob/living/silicon/robot))
+	else if(isrobot(AM))
 		var/mob/living/silicon/robot/R = AM
 		if(R.stat == DEAD)
 			to_chat(user, span_warning("Law Upload Error: Unit is nonfunctional."))

code/game/objects/items/weapons/autopsy.dm

@@ -71,7 +71,7 @@
 	set category = "Object"
 	set src in view(usr, 1)
 	set name = "Print Data"
-	if(usr.stat || !(istype(usr,/mob/living/carbon/human)))
+	if(usr.stat || !(ishuman(usr)))
 		to_chat(usr, "No.")
 		return
 

code/game/objects/items/weapons/canes.dm

@@ -115,7 +115,7 @@
 		force = 3
 		attack_verb = list("hit", "poked", "prodded")
 
-	if(istype(user,/mob/living/carbon/human))
+	if(ishuman(user))
 		var/mob/living/carbon/human/H = user
 		H.update_inv_l_hand()
 		H.update_inv_r_hand()

code/game/objects/items/weapons/clown_items.dm

@@ -11,7 +11,7 @@
 /obj/item/bananapeel/Crossed(atom/movable/AM as mob|obj)
 	if(AM.is_incorporeal())
 		return
-	if(istype(AM, /mob/living))
+	if(isliving(AM))
 		var/mob/living/M = AM
 		M.slip("the [src.name]",4)
 /*
@@ -28,7 +28,7 @@
 /obj/item/soap/Crossed(atom/movable/AM as mob|obj)
 	if(AM.is_incorporeal())
 		return
-	if(istype(AM, /mob/living))
+	if(isliving(AM))
 		var/mob/living/M =	AM
 		M.slip("the [src.name]",3)
 
@@ -83,5 +83,5 @@
 /obj/item/bikehorn/Crossed(atom/movable/AM as mob|obj)
 	if(AM.is_incorporeal())
 		return
-	if(istype(AM, /mob/living))
+	if(isliving(AM))
 		playsound(src, honk_sound, 50, 1)

code/game/objects/items/weapons/dna_injector.dm

@@ -64,7 +64,7 @@
 		return buf.dna.SetUIValue(real_block,val)
 
 /obj/item/dnainjector/proc/inject(mob/M as mob, mob/user as mob)
-	if(istype(M,/mob/living))
+	if(isliving(M))
 		var/mob/living/L = M
 		L.apply_effect(rand(5,20), IRRADIATE, check_protection = 0)
 		L.apply_damage(max(2,L.getCloneLoss()), CLONE)

code/game/objects/items/weapons/explosives.dm

@@ -82,7 +82,7 @@
 		if (istype(target, /turf/simulated/wall))
 			var/turf/simulated/wall/W = target
 			W.dismantle_wall(1,1,1)
-		else if(istype(target, /mob/living))
+		else if(isliving(target))
 			target.ex_act(2) // c4 can't gib mobs anymore.
 		else
 			target.ex_act(1)

code/game/objects/items/weapons/gift_wrappaper.dm

@@ -170,7 +170,7 @@
 		. += "There is about [src.amount] square units of paper left!"
 
 /obj/item/wrapping_paper/attack(mob/target as mob, mob/user as mob)
-	if (!istype(target, /mob/living/carbon/human)) return
+	if (!ishuman(target)) return
 	var/mob/living/carbon/human/H = target
 
 	if (istype(H.wear_suit, /obj/item/clothing/suit/straight_jacket) || H.stat)

code/game/objects/items/weapons/grenades/concussion.dm

@@ -79,7 +79,7 @@
 				else if(H.ear_damage >= 5)
 					to_chat(H, span_danger("Your ears start to ring!"))
 					H.deaf_loop.start() // CHOMPStation Add: Ear Ringing/Deafness
-			if(istype(L, /mob/living/silicon/robot))
+			if(isrobot(L))
 				var/mob/living/silicon/robot/R = L
 				if(L.client)
 					if(prob(50))

code/game/objects/items/weapons/handcuffs.dm

@@ -51,7 +51,7 @@
 /obj/item/handcuffs/proc/can_place(var/mob/target, var/mob/user)
 	if(user == target)
 		return 1
-	if(istype(user, /mob/living/silicon/robot))
+	if(isrobot(user))
 		if(user.Adjacent(target))
 			return 1
 	else

code/game/objects/items/weapons/implants/implant.dm

@@ -441,7 +441,7 @@ the implant may become unstable and either pre-maturely inject the subject or si
 
 /obj/item/implant/loyalty/handle_implant(mob/M, target_zone = BP_TORSO)
 	. = ..(M, target_zone)
-	if(!istype(M, /mob/living/carbon/human))
+	if(!ishuman(M))
 		. = FALSE
 	var/mob/living/carbon/human/H = M
 	var/datum/antagonist/antag_data = get_antag_data(H.mind.special_role)

code/game/objects/items/weapons/implants/implant_vr.dm

@@ -91,7 +91,7 @@
 	if (malfunction)
 		return
 
-	if(istype(imp_in, /mob/living))
+	if(isliving(imp_in))
 		var/mob/living/H = imp_in
 		if(findtext(msg,"implant-toggle"))
 			active = !active
@@ -114,7 +114,7 @@
 
 
 /obj/item/implant/sizecontrol/emp_act(severity)
-	if(istype(imp_in, /mob/living))
+	if(isliving(imp_in))
 		var/newsize = pick(RESIZE_HUGE,RESIZE_BIG,RESIZE_NORMAL,RESIZE_SMALL,RESIZE_TINY,RESIZE_A_HUGEBIG,RESIZE_A_BIGNORMAL,RESIZE_A_NORMALSMALL,RESIZE_A_SMALLTINY)
 		var/mob/living/H = imp_in
 		H.resize(newsize)

code/game/objects/items/weapons/implants/implantchair.dm

@@ -47,7 +47,7 @@
 
 
 /obj/machinery/implantchair/Topic(href, href_list)
-	if((get_dist(src, usr) <= 1) || istype(usr, /mob/living/silicon/ai))
+	if((get_dist(src, usr) <= 1) || isAI(usr))
 		if(href_list["implant"])
 			if(src.occupant)
 				injecting = 1

code/game/objects/items/weapons/implants/implanter.dm

@@ -146,7 +146,7 @@
 			to_chat(user, span_warning("You can't store \the [A.name] in this!"))
 			c.scanned = null
 			return
-		if(istype(A.loc,/mob/living/carbon/human))
+		if(ishuman(A.loc))
 			var/mob/living/carbon/human/H = A.loc
 			H.remove_from_mob(A)
 		else if(istype(A.loc,/obj/item/storage))

code/game/objects/items/weapons/material/material_armor.dm

@@ -92,7 +92,7 @@ Protectiveness | Armor %
 		return
 	var/turf/T = get_turf(src)
 	T.visible_message(span_danger("\The [src] [material.destruction_desc]!"))
-	if(istype(loc, /mob/living))
+	if(isliving(loc))
 		var/mob/living/M = loc
 		M.drop_from_inventory(src)
 		if(material.shard_type == SHARD_SHARD) // Wearing glass armor is a bad idea.

code/game/objects/items/weapons/material/material_weapons.dm

@@ -109,7 +109,7 @@
 /obj/item/material/proc/shatter(var/consumed)
 	var/turf/T = get_turf(src)
 	T.visible_message(span_danger("\The [src] [material.destruction_desc]!"))
-	if(istype(loc, /mob/living))
+	if(isliving(loc))
 		var/mob/living/M = loc
 		M.drop_from_inventory(src)
 	playsound(src, "shatter", 70, 1)

code/game/objects/items/weapons/material/misc.dm

@@ -155,11 +155,11 @@
 	if(user.a_intent)
 		switch(user.a_intent)
 			if(I_HURT)
-				if(prob(10) && istype(target, /mob/living/carbon/human) && (user.zone_sel in list(BP_L_LEG, BP_R_LEG, BP_L_FOOT, BP_R_FOOT, BP_L_ARM, BP_R_ARM, BP_L_HAND, BP_R_HAND)))
+				if(prob(10) && ishuman(target) && (user.zone_sel in list(BP_L_LEG, BP_R_LEG, BP_L_FOOT, BP_R_FOOT, BP_L_ARM, BP_R_ARM, BP_L_HAND, BP_R_HAND)))
 					to_chat(target, span_warning("\The [src] rips at your hands!"))
 					ranged_disarm(target)
 			if(I_DISARM)
-				if(prob(min(90, force * 3)) && istype(target, /mob/living/carbon/human) && (user.zone_sel in list(BP_L_LEG, BP_R_LEG, BP_L_FOOT, BP_R_FOOT, BP_L_ARM, BP_R_ARM, BP_L_HAND, BP_R_HAND)))
+				if(prob(min(90, force * 3)) && ishuman(target) && (user.zone_sel in list(BP_L_LEG, BP_R_LEG, BP_L_FOOT, BP_R_FOOT, BP_L_ARM, BP_R_ARM, BP_L_HAND, BP_R_HAND)))
 					ranged_disarm(target)
 				else
 					target.visible_message(span_danger("\The [src] sends \the [target] stumbling away."))

code/game/objects/items/weapons/material/thrown.dm

@@ -16,7 +16,7 @@
 
 /obj/item/material/star/throw_impact(atom/hit_atom)
 	..()
-	if(material.radioactivity>0 && istype(hit_atom,/mob/living))
+	if(material.radioactivity>0 && isliving(hit_atom))
 		var/mob/living/M = hit_atom
 		M.adjustToxLoss(rand(20,40))
 

code/game/objects/items/weapons/melee/energy.dm

@@ -112,7 +112,7 @@
 	else
 		activate(user)
 
-	if(istype(user,/mob/living/carbon/human))
+	if(ishuman(user))
 		var/mob/living/carbon/human/H = user
 		H.update_inv_l_hand()
 		H.update_inv_r_hand()
@@ -170,7 +170,7 @@
 	cut_overlays()		//So that it doesn't keep stacking overlays non-stop on top of each other
 	if(active)
 		add_overlay(blade_overlay)
-	if(istype(usr,/mob/living/carbon/human))
+	if(ishuman(usr))
 		var/mob/living/carbon/human/H = usr
 		H.update_inv_l_hand()
 		H.update_inv_r_hand()
@@ -459,7 +459,7 @@
 /obj/item/melee/energy/blade/process()
 	if(!creator || loc != creator || !creator.item_is_in_hands(src))
 		// Tidy up a bit.
-		if(istype(loc,/mob/living))
+		if(isliving(loc))
 			var/mob/living/carbon/human/host = loc
 			if(istype(host))
 				for(var/obj/item/organ/external/organ in host.organs)

code/game/objects/items/weapons/melee/misc_vr.dm

@@ -27,7 +27,7 @@
 	defend_chance = 0
 
 /obj/item/melee/hammer/apply_hit_effect(mob/living/target, mob/living/user, var/hit_zone, var/attack_modifier)
-	if(istype(target,/mob/living/carbon/human))
+	if(ishuman(target))
 		var/mob/living/carbon/human/H = target
 		if(prob(50))
 			var/obj/item/organ/external/affecting = H.get_organ(hit_zone)

code/game/objects/items/weapons/mop_deploy.dm

@@ -62,7 +62,7 @@
 /obj/item/mop_deploy/process()
 	if(!creator || loc != creator || !creator.item_is_in_hands(src))
 		// Tidy up a bit.
-		if(istype(loc,/mob/living))
+		if(isliving(loc))
 			var/mob/living/carbon/human/host = loc
 			if(istype(host))
 				for(var/obj/item/organ/external/organ in host.organs)

code/game/objects/items/weapons/policetape.dm

@@ -323,7 +323,7 @@ var/list/tape_roll_applications = list()
 		add_fingerprint(M)
 		if(!allowed(M))	//only select few learn art of not crumpling the tape
 			to_chat(M, span_warning("You are not supposed to go past \the [src]..."))
-			if(M.a_intent == I_HELP && !(istype(M, /mob/living/simple_mob)))
+			if(M.a_intent == I_HELP && !(isanimal(M)))
 				return FALSE
 			crumple()
 	return ..()

code/game/objects/items/weapons/scrolls.dm

@@ -35,7 +35,7 @@
 	if (usr.stat || usr.restrained() || src.loc != usr)
 		return
 	var/mob/living/carbon/human/H = usr
-	if (!( istype(H, /mob/living/carbon/human)))
+	if (!ishuman(H))
 		return 1
 	if ((usr == src.loc || (in_range(src, usr) && istype(src.loc, /turf))))
 		usr.set_machine(src)

code/game/objects/items/weapons/shields.dm

@@ -174,7 +174,7 @@
 		playsound(src, 'sound/weapons/saberoff.ogg', 50, 1)
 		to_chat(user, span_notice("\The [src] can now be concealed."))
 
-	if(istype(user,/mob/living/carbon/human))
+	if(ishuman(user))
 		var/mob/living/carbon/human/H = user
 		H.update_inv_l_hand()
 		H.update_inv_r_hand()
@@ -197,7 +197,7 @@
 		set_light(0)
 		item_state = "[icon_state]"
 
-	if(istype(usr,/mob/living/carbon/human))
+	if(ishuman(usr))
 		var/mob/living/carbon/human/H = usr
 		H.update_inv_l_hand()
 		H.update_inv_r_hand()
@@ -257,7 +257,7 @@
 		slot_flags = null
 		to_chat(user, span_notice("[src] can now be concealed."))
 
-	if(istype(user,/mob/living/carbon/human))
+	if(ishuman(user))
 		var/mob/living/carbon/human/H = user
 		H.update_inv_l_hand()
 		H.update_inv_r_hand()

code/game/objects/items/weapons/shields_vr.dm

@@ -49,7 +49,7 @@
 		to_chat(user, "You [on ? "enable" : "disable"] the shield light.")
 		update_flashlight(user)
 
-		if(istype(user,/mob/living/carbon/human))
+		if(ishuman(user))
 			var/mob/living/carbon/human/H = user
 			H.update_inv_l_hand()
 			H.update_inv_r_hand()

code/game/objects/items/weapons/storage/backpack.dm

@@ -512,7 +512,7 @@
 	set category = "Object"
 	set src in usr
 
-	if(!istype(src.loc, /mob/living))
+	if(!isliving(src.loc))
 		return
 
 	var/mob/living/carbon/human/H = usr

code/game/objects/items/weapons/storage/bags.dm

@@ -235,7 +235,7 @@
 	if(!Adjacent(user)) //Can only check the contents of ore bags if you can physically reach them.
 		return .
 
-	if(istype(user, /mob/living))
+	if(isliving(user))
 		add_fingerprint(user)
 
 	. += span_notice("It holds:")

code/game/objects/items/weapons/storage/storage.dm

@@ -708,7 +708,7 @@
 	max_storage_space = max(total_storage_space,max_storage_space) //Prevents spawned containers from being too small for their contents.
 
 /obj/item/storage/emp_act(severity)
-	if(!istype(src.loc, /mob/living))
+	if(!isliving(src.loc))
 		for(var/obj/O in contents)
 			O.emp_act(severity)
 	..()

code/game/objects/items/weapons/swords_axes_etc.dm

@@ -76,7 +76,7 @@
 		force = 3//not so robust now
 		attack_verb = list("hit", "punched")
 
-	if(istype(user,/mob/living/carbon/human))
+	if(ishuman(user))
 		var/mob/living/carbon/human/H = user
 		H.update_inv_l_hand()
 		H.update_inv_r_hand()

code/game/objects/items/weapons/tanks/tanks.dm

@@ -296,7 +296,7 @@ var/list/global/tank_gauge_cache = list()
 			var/can_open_valve
 			if(location.wear_mask && (location.wear_mask.item_flags & AIRTIGHT))
 				can_open_valve = 1
-			else if(istype(location,/mob/living/carbon/human))
+			else if(ishuman(location))
 				var/mob/living/carbon/human/H = location
 				if(H.head && (H.head.item_flags & AIRTIGHT))
 					can_open_valve = 1

code/game/objects/items/weapons/tape.dm

@@ -10,7 +10,7 @@
 	toolspeed = 2 //It is now used in surgery as a not awful, but probably dangerous option, due to speed.
 
 /obj/item/tape_roll/proc/can_place(var/mob/living/carbon/human/H, var/mob/user)
-	if(istype(user, /mob/living/silicon/robot) || user == H)
+	if(isrobot(user) || user == H)
 		return TRUE
 
 	for (var/obj/item/grab/G in H.grabbed_by)

code/game/objects/items/weapons/tools/weldingtool.dm

@@ -147,7 +147,7 @@
 			setWelding(0)
 		else			//Only start fires when its on and has enough fuel to actually keep working
 			var/turf/location = src.loc
-			if(istype(location, /mob/living))
+			if(isliving(location))
 				var/mob/living/M = location
 				if(M.item_is_in_hands(src))
 					location = get_turf(M)
@@ -322,7 +322,7 @@
 		return 1
 	var/safety = user.eyecheck()
 	safety = between(-1, safety + eye_safety_modifier, 2)
-	if(istype(user, /mob/living/carbon/human))
+	if(ishuman(user))
 		var/mob/living/carbon/human/H = user
 		var/obj/item/organ/internal/eyes/E = H.internal_organs_by_name[O_EYES]
 		if(!E)
@@ -508,7 +508,7 @@
 
 /obj/item/weldingtool/tubefed/process()
 	if(mounted_pack)
-		if(!istype(mounted_pack.loc,/mob/living/carbon/human))
+		if(!ishuman(mounted_pack.loc))
 			mounted_pack.return_nozzle()
 		else
 			var/mob/living/carbon/human/H = mounted_pack.loc

code/game/objects/items/weapons/weldbackpack.dm

@@ -87,7 +87,7 @@
 	return
 
 /obj/item/weldpack/attack_hand(mob/user as mob)
-	if(istype(user, /mob/living/carbon/human))
+	if(ishuman(user))
 		var/mob/living/carbon/human/wearer = user
 		if(wearer.back == src)
 			if(nozzle && nozzle_attached)