Merge pull request #9683 from Ghommie/Ghommie-cit303

Dullahans fixes and QoL.

code/modules/surgery/bodyparts/dismemberment.dm

@@ -334,12 +334,13 @@
 
 
 //Regenerates all limbs. Returns amount of limbs regenerated
-/mob/living/proc/regenerate_limbs(noheal, excluded_limbs)
-	return 0
+/mob/living/proc/regenerate_limbs(noheal = FALSE, list/excluded_limbs = list())
+	SEND_SIGNAL(src, COMSIG_LIVING_REGENERATE_LIMBS, noheal, excluded_limbs)
 
-/mob/living/carbon/regenerate_limbs(noheal, list/excluded_limbs)
+/mob/living/carbon/regenerate_limbs(noheal = FALSE, list/excluded_limbs = list())
+	. = ..()
 	var/list/limb_list = list(BODY_ZONE_HEAD, BODY_ZONE_CHEST, BODY_ZONE_R_ARM, BODY_ZONE_L_ARM, BODY_ZONE_R_LEG, BODY_ZONE_L_LEG)
-	if(excluded_limbs)
+	if(excluded_limbs.len)
 		limb_list -= excluded_limbs
 	for(var/Z in limb_list)
 		. += regenerate_limb(Z, noheal)

code/modules/surgery/bodyparts/head.dm

@@ -120,6 +120,8 @@
 	..()
 
 /obj/item/bodypart/head/update_icon_dropped()
+	if(custom_head)
+		return
 	var/list/standing = get_limb_icon(1)
 	if(!standing.len)
 		icon_state = initial(icon_state)//no overlays found, we default back to initial icon.

code/modules/surgery/bodyparts/helpers.dm

@@ -18,8 +18,6 @@
 	return FALSE
 
 
-
-
 /mob/proc/has_left_hand(check_disabled = TRUE)
 	return TRUE
 
@@ -335,3 +333,19 @@
 			else
 				S.adjusted = ALT_STYLE
 			H.update_inv_wear_suit()
+
+/mob/living/carbon/proc/get_body_parts_flags()
+	for(var/X in bodyparts)
+		var/obj/item/bodypart/L = X
+		switch(L.body_part)
+			if(CHEST)
+				. |= GROIN
+			if(LEG_LEFT)
+				. |= FOOT_LEFT
+			if(LEG_RIGHT)
+				. |= FOOT_RIGHT
+			if(ARM_LEFT)
+				. |= HAND_LEFT
+			if(ARM_RIGHT)
+				. |= HAND_RIGHT
+		. |= L.body_part