Merge pull request #10242 from Ghommie/Ghommie-cit483

Ports "Refactors can_see_reagents"

code/modules/mob/living/carbon/carbon.dm

@@ -977,3 +977,14 @@
 	if(combatmode)
 		toggle_combat_mode(TRUE, TRUE)
 	return ..()
+
+/mob/living/carbon/can_see_reagents()
+	. = ..()
+	if(.) //No need to run through all of this if it's already true.
+		return
+	if(isclothing(head))
+		var/obj/item/clothing/H = head
+		if(H.clothing_flags & SCAN_REAGENTS)
+			return TRUE
+	if(isclothing(wear_mask) && (wear_mask.clothing_flags & SCAN_REAGENTS))
+		return TRUE

code/modules/mob/living/carbon/human/human_helpers.dm

@@ -117,7 +117,8 @@
 
 /mob/living/carbon/human/can_use_guns(obj/item/G)
 	. = ..()
-
+	if(!.)
+		return
 	if(G.trigger_guard == TRIGGER_GUARD_NORMAL)
 		if(HAS_TRAIT(src, TRAIT_CHUNKYFINGERS))
 			to_chat(src, "<span class='warning'>Your meaty finger is much too large for the trigger guard!</span>")
@@ -126,7 +127,13 @@
 			to_chat(src, "<span class='warning'>Your fingers don't fit in the trigger guard!</span>")
 			return FALSE
 
-	return .
+/mob/living/carbon/human/can_see_reagents()
+	. = ..()
+	if(.) //No need to run through all of this if it's already true.
+		return
+	if(isclothing(glasses) && (glasses.clothing_flags & SCAN_REAGENTS))
+		return TRUE
+
 /*
 /mob/living/carbon/human/transfer_blood_dna(list/blood_dna)
 	..()

code/modules/mob/living/simple_animal/friendly/drone/_drone.dm

@@ -275,6 +275,15 @@
 /mob/living/simple_animal/drone/electrocute_act(shock_damage, obj/source, siemens_coeff = 1, safety = 0, tesla_shock = 0, illusion = 0, stun = TRUE)
 	return 0 //So they don't die trying to fix wiring
 
+/mob/living/simple_animal/drone/can_see_reagents()
+	. = ..()
+	if(.)
+		return
+	if(isclothing(head))
+		var/obj/item/clothing/H = head
+		if(H.clothing_flags & SCAN_REAGENTS)
+			return TRUE
+
 /mob/living/simple_animal/drone/generate_mob_holder()
 	var/obj/item/clothing/head/mob_holder/holder = new(get_turf(src), src, "[visualAppearence]_hat", null, null, null, TRUE)
 	return holder

code/modules/mob/mob.dm

@@ -811,26 +811,6 @@ GLOBAL_VAR_INIT(exploit_warn_spam_prevention, 0)
 /mob/proc/can_interact_with(atom/A)
 	return IsAdminGhost(src) || Adjacent(A)
 
-//Can the mob see reagents inside of containers?
-/mob/proc/can_see_reagents()
-	if(stat == DEAD) //Ghosts and such can always see reagents
-		return 1
-	if(has_unlimited_silicon_privilege) //Silicons can automatically view reagents
-		return 1
-	if(ishuman(src))
-		var/mob/living/carbon/human/H = src
-		if(H.head && istype(H.head, /obj/item/clothing))
-			var/obj/item/clothing/CL = H.head
-			if(CL.scan_reagents)
-				return 1
-		if(H.wear_mask && H.wear_mask.scan_reagents)
-			return 1
-		if(H.glasses && istype(H.glasses, /obj/item/clothing))
-			var/obj/item/clothing/CL = H.glasses
-			if(CL.scan_reagents)
-				return 1
-	return 0
-
 //Can the mob use Topic to interact with machines
 /mob/proc/canUseTopic(atom/movable/M, be_close=FALSE, no_dextery=FALSE, no_tk=FALSE)
 	return

code/modules/mob/mob_helpers.dm

@@ -532,3 +532,7 @@ It's fairly easy to fix if dealing with single letters but not so much with comp
 	if(!held_item)
 		return
 	return held_item.GetID()
+
+//Can the mob see reagents inside of containers?
+/mob/proc/can_see_reagents()
+	return stat == DEAD || has_unlimited_silicon_privilege //Dead guys and silicons can always see reagents