Makes bloodsuckers unguttable and undecappable (#12335)

* Bloodsuckers cant be gutted or beheaded anymore

* Mistakes were made

code/__DEFINES/traits.dm

@@ -148,6 +148,8 @@
 #define TRAIT_NORUNNING			"norunning"		// You walk!
 #define TRAIT_NOMARROW			"nomarrow"		// You don't make blood, with chemicals or nanites.
 #define TRAIT_NOPULSE			"nopulse"		// Your heart doesn't beat.
+#define TRAIT_NOGUT				"nogutting"		//Your chest cant be gutted of organs
+#define TRAIT_NODECAP			"nodecapping"	//Your head cant be cut off in combat
 #define TRAIT_EXEMPT_HEALTH_EVENTS	"exempt-health-events"
 #define TRAIT_NO_MIDROUND_ANTAG	"no-midround-antag" //can't be turned into an antag by random events
 #define TRAIT_PUGILIST	"pugilist" //This guy punches people for a living

code/modules/antagonists/bloodsucker/datum_bloodsucker.dm

@@ -39,7 +39,7 @@
 	var/passive_blood_drain = -0.1        //The amount of blood we loose each bloodsucker life() tick
 	// LISTS
 	var/static/list/defaultTraits = list (TRAIT_STABLEHEART, TRAIT_NOBREATH, TRAIT_SLEEPIMMUNE, TRAIT_NOCRITDAMAGE, TRAIT_RESISTCOLD, TRAIT_RADIMMUNE, TRAIT_NIGHT_VISION, \
-										  TRAIT_NOSOFTCRIT, TRAIT_NOHARDCRIT, TRAIT_AGEUSIA, TRAIT_COLDBLOODED, TRAIT_NONATURALHEAL, TRAIT_NOMARROW, TRAIT_NOPULSE, TRAIT_VIRUSIMMUNE)
+										  TRAIT_NOSOFTCRIT, TRAIT_NOHARDCRIT, TRAIT_AGEUSIA, TRAIT_COLDBLOODED, TRAIT_NONATURALHEAL, TRAIT_NOMARROW, TRAIT_NOPULSE, TRAIT_VIRUSIMMUNE, TRAIT_NODECAP, TRAIT_NOGUT)
 
 /datum/antagonist/bloodsucker/on_gain()
 	SSticker.mode.bloodsuckers |= owner // Add if not already in here (and you might be, if you were picked at round start)

code/modules/surgery/bodyparts/dismemberment.dm

@@ -14,7 +14,6 @@
 		return FALSE
 	if(HAS_TRAIT(C, TRAIT_NODISMEMBER))
 		return FALSE
-
 	var/obj/item/bodypart/affecting = C.get_bodypart(BODY_ZONE_CHEST)
 	affecting.receive_damage(clamp(brute_dam/2 * affecting.body_damage_coeff, 15, 50), clamp(burn_dam/2 * affecting.body_damage_coeff, 0, 50)) //Damage the chest based on limb's existing damage
 	C.visible_message("<span class='danger'><B>[C]'s [src.name] has been violently dismembered!</B></span>")
@@ -44,6 +43,10 @@
 	throw_at(target_turf, throw_range, throw_speed)
 	return TRUE
 
+/obj/item/bodypart/head/dismember()
+	if(HAS_TRAIT(owner, TRAIT_NODECAP))
+		return FALSE
+	..()
 
 /obj/item/bodypart/chest/dismember()
 	if(!owner)
@@ -53,6 +56,8 @@
 		return FALSE
 	if(HAS_TRAIT(C, TRAIT_NODISMEMBER))
 		return FALSE
+	if(HAS_TRAIT(C, TRAIT_NOGUT)) //Just for not allowing gutting
+		return FALSE
 	. = list()
 	var/organ_spilled = 0
 	var/turf/T = get_turf(C)