using quirk susbsysten instead of trats

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

@@ -78,10 +78,10 @@ GLOBAL_LIST_EMPTY(roundstart_race_names)
 	var/list/species_traits = list(HAS_FLESH,HAS_BONE) //by default they can scar and have bones/flesh unless set to something else
 	// generic traits tied to having the species
 	var/list/inherent_traits = list()
-	// blacklisted traits that conflict with species. If i can figure how to use these lists and mass removes, will uncomment
-	//var/list/blacklisted_traits = list()
 	var/inherent_biotypes = MOB_ORGANIC|MOB_HUMANOID
 
+	var/list/blacklisted_quirks = list() // Quirks that will be removed upon gaining this species, to be defined by species
+
 	var/attack_verb = "punch"	// punch-specific attack verb
 	var/sound/attack_sound = 'sound/weapons/punch1.ogg'
 	var/sound/miss_sound = 'sound/weapons/punchmiss.ogg'
@@ -344,6 +344,9 @@ GLOBAL_LIST_EMPTY(roundstart_race_names)
 	for(var/X in inherent_traits)
 		ADD_TRAIT(C, X, SPECIES_TRAIT)
 
+	//lets remove those conflicting quirks
+	remove_blacklisted_quirks(C)
+
 	if(TRAIT_VIRUSIMMUNE in inherent_traits)
 		for(var/datum/disease/A in C.diseases)
 			A.cure(FALSE)
@@ -426,6 +429,17 @@ GLOBAL_LIST_EMPTY(roundstart_race_names)
 
 	SEND_SIGNAL(C, COMSIG_SPECIES_LOSS, src)
 
+// shamelessly inspired by antag_datum.remove_blacklisted_quirks()
+/datum/species/proc/remove_blacklisted_quirks(mob/living/carbon/C)
+	var/mob/living/L = C.mind.current
+	if(istype(L))
+		var/list/my_quirks = L.client?.prefs.all_quirks.Copy()
+		SSquirks.filter_quirks(my_quirks, blacklisted_quirks)
+		for(var/q in L.roundstart_quirks)
+			var/datum/quirk/Q = q
+			if(!(SSquirks.quirk_name_by_path(Q.type) in my_quirks))
+				L.remove_quirk(Q.type)
+
 /datum/species/proc/handle_hair(mob/living/carbon/human/H, forced_colour)
 	H.remove_overlay(HAIR_LAYER)
 	var/obj/item/bodypart/head/HD = H.get_bodypart(BODY_ZONE_HEAD)

code/modules/mob/living/carbon/human/species_types/zombies.dm

@@ -37,8 +37,7 @@
 	armor = 20 // 120 damage to KO a zombie, which kills it
 	speedmod = 1.6 // they're very slow
 	mutanteyes = /obj/item/organ/eyes/night_vision/zombie
-	// same as in species.dm
-	//blacklisted_traits = list(TRAIT_PACIFISM)
+	blacklisted_quirks = list(/datum/quirk/nonviolent)
 	var/heal_rate = 1
 	var/regen_cooldown = 0
 
@@ -98,10 +97,6 @@
 		part.incoming_stam_mult = incoming_stam_mult
 		//todo: add negative wound resistance to all parts when wounds is merged (zombies are physically weak in terms of limbs)
 
-	// this removes pacifism quirk so our zombie can attack normally. but how to add back when cured?
-	REMOVE_TRAIT(C, TRAIT_PACIFISM, ROUNDSTART_TRAIT)	// and why "cannot be removed without admin intervention"? what does that mean?
-
-
 // Your skin falls off
 /datum/species/krokodil_addict
 	name = SPECIES_HUMAN