[MIRROR] fix a runtime in the keyloop (#9813)

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

code/game/turfs/simulated.dm

@@ -196,7 +196,8 @@
 				B.blood_DNA = list()
 			if(!B.blood_DNA[M.dna.unique_enzymes])
 				B.blood_DNA[M.dna.unique_enzymes] = M.dna.b_type
-				B.viruses = M.viruses.Copy()
+				if(M.viruses)
+					B.viruses = M.viruses.Copy()
 			return 1 //we bloodied the floor
 		blood_splatter(src,M.get_blood(M.vessel),1)
 		return 1 //we bloodied the floor

code/modules/clothing/spacesuits/rig/modules/protean.dm

@@ -131,6 +131,9 @@ These should come standard with the Protean rigsuit, unless you want them to wor
 /obj/item/rig_module/protean/armor/process()
 	if(active)
 		var/mob/living/carbon/human/H = holder.wearer
+		if(!H)
+			deactivate(1)
+			return
 		if(istype(H.species, /datum/species/protean))
 			to_chat(H, span_warning("Your Protean modules do not function on yourself."))
 			deactivate(1)
@@ -185,7 +188,10 @@ These should come standard with the Protean rigsuit, unless you want them to wor
 	if(active)
 		var/mob/living/carbon/human/H = holder.wearer
 		var/mob/living/P = holder?:myprotean
-		if((istype(H.species, /datum/species/protean)) || !H || !P)
+		if(!H || !P)
+			deactivate()
+			return
+		if(istype(H.species, /datum/species/protean))
 			to_chat(H, span_warning("Your Protean modules do not function on yourself."))
 			deactivate()
 			return

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

@@ -579,10 +579,11 @@ emp_act
 
 
 /mob/living/carbon/human/proc/bloody_hands(var/mob/living/source, var/amount = 2)
-	if (gloves)
-		gloves.add_blood(source)
-		gloves:transfer_blood = amount
-		gloves:bloody_hands_mob = source
+	if (istype(gloves, /obj/item/clothing/gloves))
+		var/obj/item/clothing/gloves/gl = gloves
+		gl.add_blood(source)
+		gl.transfer_blood = amount
+		gl.bloody_hands_mob = source
 	else
 		add_blood(source)
 		bloody_hands = amount