Everything else through the door (#19358)

code/modules/clothing/clothing.dm

@@ -87,7 +87,7 @@
 	if(slot in list(slot_r_hand, slot_l_hand, slot_in_backpack, slot_l_store, slot_r_store))
 		return 1
 
-	if(species_restricted && istype(M,/mob/living/carbon/human))
+	if(species_restricted && ishuman(M))
 
 		var/wearable = null
 		var/exclusive = null
@@ -335,7 +335,7 @@ BLIND     // can't see anything
 				to_chat(user, "Your suit will now report your vital lifesigns.")
 			if(SUIT_SENSOR_TRACKING)
 				to_chat(user, "Your suit will now report your vital lifesigns as well as your coordinate position.")
-		if(istype(user,/mob/living/carbon/human))
+		if(ishuman(user))
 			var/mob/living/carbon/human/H = user
 			if(H.w_uniform == src)
 				H.update_suit_sensors()
@@ -354,7 +354,7 @@ BLIND     // can't see anything
 			if(SUIT_SENSOR_TRACKING)
 				for(var/mob/V in viewers(user, 1))
 					V.show_message("[user] sets [src.loc]'s sensors to maximum.", 1)
-		if(istype(src,/mob/living/carbon/human))
+		if(ishuman(src))
 			var/mob/living/carbon/human/H = src
 			if(H.w_uniform == src)
 				H.update_suit_sensors()

code/modules/clothing/spacesuits/hardsuit.dm

@@ -56,7 +56,7 @@
 	on = !on
 	icon_state = "[basestate][on]-[item_color]"
 
-	if(istype(user,/mob/living/carbon/human))
+	if(ishuman(user))
 		var/mob/living/carbon/human/H = user
 		H.update_inv_head()
 

code/modules/clothing/suits/armor.dm

@@ -374,7 +374,7 @@
 	icon_state = "reactiveoff"
 	item_state = "reactiveoff"
 	addtimer(CALLBACK(src, .proc/reboot), disable_time SECONDS)
-	if(istype(loc, /mob/living/carbon/human))
+	if(ishuman(loc))
 		var/mob/living/carbon/human/C = loc
 		C.update_inv_wear_suit()
 

code/modules/clothing/under/accessories/holster.dm

@@ -59,7 +59,7 @@
 	if(!holstered)
 		return
 
-	if(istype(user.get_active_hand(),/obj) && istype(user.get_inactive_hand(),/obj))
+	if(isobj(user.get_active_hand()) && isobj(user.get_inactive_hand()))
 		to_chat(user, "<span class='warning'>You need an empty hand to draw [holstered]!</span>")
 	else
 		if(user.a_intent == INTENT_HARM)