Human icon key & preferences tweaks (#3274)

changes:

Reworked how human body icon keys are generated; resulting keys should be much shorter now and involve less duplication of the same string.
Players are now shown a message when they try to add markings to a species that has none available.
Admin revive for human-types will now also re-apply their organ and marking prefs.
Admin revive now also resets shock_stage (fixes rejuv'd mobs being slow for a while)

code/modules/client/preference_setup/general/03_body.dm

@@ -462,6 +462,10 @@ var/global/list/valid_bloodtypes = list("A+", "A-", "B+", "B-", "AB+", "AB-", "O
 			else if(!(pref.species in S.species_allowed))
 				usable_markings -= M
 
+		if (!usable_markings.len)
+			alert(user, "This species does not have any body markings available.")
+			return TOPIC_NOACTION
+
 		var/new_marking = input(user, "Choose a body marking:", "Character Preference")  as null|anything in usable_markings
 		if(new_marking && CanUseTopic(user))
 			pref.body_markings[new_marking] = "#000000" //New markings start black

code/modules/client/preferences.dm

@@ -363,48 +363,8 @@ datum/preferences
 	character.skills = skills
 	character.used_skillpoints = used_skillpoints
 
-	// Destroy/cyborgize organs
-
-	for(var/name in organ_data)
-
-		var/status = organ_data[name]
-		var/obj/item/organ/external/O = character.organs_by_name[name]
-		if(O)
-			O.status = 0
-			if(status == "amputated")
-				character.organs_by_name[O.limb_name] = null
-				character.organs -= O
-				if(O.children) // This might need to become recursive.
-					for(var/obj/item/organ/external/child in O.children)
-						character.organs_by_name[child.limb_name] = null
-						character.organs -= child
-
-			else if(status == "cyborg")
-				if(rlimb_data[name])
-					O.robotize(rlimb_data[name])
-				else
-					O.robotize()
-		else
-			var/obj/item/organ/I = character.internal_organs_by_name[name]
-			if(I)
-				if(status == "assisted")
-					I.mechassist()
-				else if(status == "mechanical")
-					I.robotize()
-
-	for(var/N in character.organs_by_name)
-		var/obj/item/organ/external/O = character.organs_by_name[N]
-		if (O)
-			O.markings.Cut()
-
-	for(var/M in body_markings)
-		var/datum/sprite_accessory/marking/mark_datum = body_marking_styles_list[M]
-		var/mark_color = "[body_markings[M]]"
-
-		for(var/BP in mark_datum.body_parts)
-			var/obj/item/organ/external/O = character.organs_by_name[BP]
-			if(O)
-				O.markings[M] = list("color" = mark_color, "datum" = mark_datum)
+	// Destroy/cyborgize organs & setup body markings
+	character.sync_organ_prefs_to_mob(src)
 
 	character.underwear = underwear