Adds nymph-limbs: The Return (#12374)

code/modules/mob/living/carbon/alien/diona/diona_nymph.dm

@@ -47,6 +47,8 @@
 
 	var/datum/reagents/metabolism/ingested
 
+	var/can_attach = TRUE // Whether they can attach to a host
+
 /mob/living/carbon/alien/diona/get_ingested_reagents()
 	return ingested
 
@@ -229,6 +231,7 @@
 //This function makes sure the nymph has the correct split/merge verbs, depending on whether or not its part of a gestalt
 /mob/living/carbon/alien/diona/proc/update_verbs()
 	if(gestalt && !detached)
+		verbs |= /mob/living/carbon/alien/diona/proc/split
 		verbs -= /mob/living/proc/ventcrawl
 		verbs -= /mob/living/proc/hide
 		verbs -= /mob/living/carbon/alien/diona/proc/grow
@@ -236,7 +239,8 @@
 		verbs -= /mob/living/carbon/proc/absorb_nymph
 		verbs -= /mob/living/carbon/proc/sample
 		verbs -= /mob/living/carbon/alien/diona/proc/remove_hat
-		verbs |= /mob/living/carbon/alien/diona/proc/split
+		verbs -= /mob/living/carbon/alien/diona/proc/attach_nymph_limb
+		verbs -= /mob/living/carbon/alien/diona/proc/detach_nymph_limb
 	else
 		verbs |= /mob/living/carbon/alien/diona/proc/merge
 		verbs |= /mob/living/carbon/proc/absorb_nymph
@@ -245,6 +249,8 @@
 		verbs |= /mob/living/proc/hide
 		verbs |= /mob/living/carbon/proc/sample
 		verbs |= /mob/living/carbon/alien/diona/proc/remove_hat
+		verbs |= /mob/living/carbon/alien/diona/proc/attach_nymph_limb
+		verbs |= /mob/living/carbon/alien/diona/proc/detach_nymph_limb
 		verbs -= /mob/living/carbon/alien/diona/proc/split // we want to remove this one
 
 	verbs -= /mob/living/carbon/alien/verb/evolve //We don't want the old alien evolve verb

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

@@ -498,4 +498,7 @@
 	. = contents - internal_organs
 
 /mob/living/carbon/proc/is_drowsy()
-	return (drowsiness >= 5)
+	return (drowsiness >= 5)
+
+/mob/living/carbon/proc/should_have_limb(var/organ_check)
+	return FALSE

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

@@ -1922,6 +1922,9 @@
 /mob/living/carbon/human/should_have_organ(var/organ_check)
 	return (species?.has_organ[organ_check])
 
+/mob/living/carbon/human/should_have_limb(var/limb_check)
+	return (species?.has_limbs[limb_check])
+
 /mob/living/proc/resuscitate()
 	return FALSE
 

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

@@ -90,6 +90,7 @@
 			if(O)
 				O.status = 0
 				switch(status)
+
 					if ("amputated")
 						organs_by_name[O.limb_name] = null
 						organs -= O
@@ -97,6 +98,14 @@
 							for(var/obj/item/organ/external/child in O.children)
 								organs_by_name[child.limb_name] = null
 								organs -= child
+
+					if ("nymph")
+						if (organ_data[name])
+							O.AddComponent(/datum/component/nymph_limb)
+							var/datum/component/nymph_limb/D = O.GetComponent(/datum/component/nymph_limb)
+							if(D)
+								D.nymphize(src, O.limb_name, TRUE)
+
 					if ("cyborg")
 						if (rlimb_data[name])
 							O.force_skintone = FALSE

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

@@ -277,6 +277,7 @@
 	var/bodyfall_sound = /decl/sound_category/bodyfall_sound //default, can be used for species specific falling sounds
 
 	var/list/alterable_internal_organs = list(BP_HEART, BP_EYES, BP_LUNGS, BP_LIVER, BP_KIDNEYS, BP_STOMACH, BP_APPENDIX) //what internal organs can be changed in character setup
+	var/list/possible_external_organs_modifications = list("Normal","Amputated","Prosthesis")
 
 /datum/species/proc/get_eyes(var/mob/living/carbon/human/H)
 	return

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

@@ -36,6 +36,8 @@
 	appearance_flags = HAS_HAIR_COLOR | HAS_LIPS | HAS_UNDERWEAR | HAS_SKIN_COLOR | HAS_SOCKS
 	flags = NO_SLIP
 
+	possible_external_organs_modifications = list("Normal","Amputated","Prosthesis", "Diona Nymph")
+
 	has_limbs = list(
 		BP_CHEST =  list("path" = /obj/item/organ/external/chest),
 		BP_GROIN =  list("path" = /obj/item/organ/external/groin),

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

@@ -118,6 +118,8 @@
 	default_accent = ACCENT_HEGEMON_PEASANT
 	allowed_accents = list(ACCENT_HEGEMON_NOBLE, ACCENT_HEGEMON_PEASANT, ACCENT_TRAD_NOBLE, ACCENT_TRAD_PEASANT, ACCENT_WASTELAND, ACCENT_DOMINIA_HIGH, ACCENT_DOMINIA_VULGAR)
 
+	possible_external_organs_modifications = list("Normal","Amputated","Prosthesis", "Diona Nymph")
+
 /datum/species/unathi/after_equip(var/mob/living/carbon/human/H)
 	. = ..()
 	if(H.shoes)