Ports hotswappable robot limbs quirk from NovaSector

code/__DEFINES/living.dm

@@ -50,3 +50,6 @@
 
 /// If the mob enters shock, they will have +1 cure condition (helps cure it faster)
 #define TRAIT_ABATES_SHOCK "shock_abated"
+
+/// The trait that determines if someone has the robotic limb reattachment quirk.
+#define TRAIT_ROBOTIC_LIMBATTACHMENT "trait_robotic_limbattachment" // Sticking this here because Melbert told me to

code/modules/surgery/bodyparts/_bodyparts.dm

@@ -360,7 +360,11 @@
 
 	if(ishuman(victim))
 		var/mob/living/carbon/human/human_victim = victim
-		if(HAS_TRAIT(victim, TRAIT_LIMBATTACHMENT))
+		// NON-MODULE CHANGE START
+		if (!HAS_TRAIT(victim, TRAIT_LIMBATTACHMENT) && !(bodytype & BODYTYPE_ROBOTIC)) //if we're trying to attach something that's not robotic, and we don't have the generic trait, end out
+			return
+		if(HAS_TRAIT(victim, TRAIT_LIMBATTACHMENT) || HAS_TRAIT(victim, TRAIT_ROBOTIC_LIMBATTACHMENT))
+		// NON-MODULE CHANGE END
 			if(!human_victim.get_bodypart(body_zone))
 				user.temporarilyRemoveItemFromInventory(src, TRUE)
 				if(!try_attach_limb(victim))

maplestation.dme

@@ -6445,6 +6445,7 @@
 #include "maplestation_modules\code\modules\research\machinery\_production.dm"
 #include "maplestation_modules\code\modules\research\techweb\_research.dm"
 #include "maplestation_modules\code\modules\research\techweb\all_nodes.dm"
+#include "maplestation_modules\code\modules\robotic_limb_detach\robot_limb_detach_quirk.dm"
 #include "maplestation_modules\code\modules\surgery\organs\augments_arms.dm"
 #include "maplestation_modules\code\modules\surgery\organs\autosurgeon.dm"
 #include "maplestation_modules\code\modules\surgery\organs\ears.dm"

maplestation_modules/code/datums/pain/pain.dm

@@ -126,7 +126,7 @@
 
 	body_zones[new_limb.body_zone] = new_limb
 
-	if(special)
+	if(special || (HAS_TRAIT(source, TRAIT_ROBOTIC_LIMBATTACHMENT) && (new_limb.bodytype & BODYTYPE_ROBOTIC)))
 		new_limb.pain = 0
 	else
 		adjust_bodypart_pain(new_limb.body_zone, new_limb.pain)
@@ -152,10 +152,11 @@
 	body_zones -= bad_zone
 	UnregisterSignal(lost_limb, COMSIG_QDELETING)
 
-	if(!QDELETED(parent) && !special)
-		var/limb_removed_pain = (dismembered ? PAIN_LIMB_DISMEMBERED : PAIN_LIMB_REMOVED)
-		adjust_bodypart_pain(BODY_ZONE_CHEST, limb_removed_pain)
-		adjust_bodypart_pain(BODY_ZONES_MINUS_CHEST, limb_removed_pain / 3)
+	if(!QDELETED(parent))
+		if(!special && !(HAS_TRAIT(source, TRAIT_ROBOTIC_LIMBATTACHMENT) && (lost_limb.bodytype & BODYTYPE_ROBOTIC)))
+			var/limb_removed_pain = (dismembered ? PAIN_LIMB_DISMEMBERED : PAIN_LIMB_REMOVED)
+			adjust_bodypart_pain(BODY_ZONE_CHEST, limb_removed_pain)
+			adjust_bodypart_pain(BODY_ZONES_MINUS_CHEST, limb_removed_pain / 3)
 
 	if(!QDELETED(lost_limb))
 		lost_limb.pain = initial(lost_limb.pain)

maplestation_modules/code/modules/robotic_limb_detach/robot_limb_detach_quirk.dm

@@ -0,0 +1,84 @@
+/datum/quirk/robot_limb_detach
+	name = "Cybernetic Limb Mounts"
+	desc = "You are able to detach and reattach any installed robotic limbs with very little effort."
+	gain_text = span_notice("Internal sensors report limb disengagement protocols are ready and waiting.")
+	lose_text = span_notice("ERROR: LIMB DISENGAGEMENT PROTOCOLS OFFLINE.")
+	medical_record_text = "Patient bears quick-attach and release limb joint cybernetics."
+	value = 0
+	mob_trait = TRAIT_ROBOTIC_LIMBATTACHMENT
+	icon = FA_ICON_HANDSHAKE_SIMPLE_SLASH
+	quirk_flags = QUIRK_HUMAN_ONLY
+	/// The action we add with this quirk in add(), used for easy deletion later
+	var/datum/action/cooldown/added_action
+
+/datum/quirk/robot_limb_detach/add(client/client_source)
+	var/mob/living/carbon/human/human_holder = quirk_holder
+	var/datum/action/cooldown/robot_self_amputation/limb_action = new()
+	limb_action.Grant(human_holder)
+	added_action = limb_action
+
+/datum/quirk/robot_limb_detach/remove()
+	QDEL_NULL(added_action)
+
+/datum/action/cooldown/robot_self_amputation
+	name = "Detach a robotic limb"
+	desc = "Disengage one of your robotic limbs from your cybernetic mounts. Requires you to not be restrained or otherwise under duress."
+	button_icon = 'icons/mob/actions/actions_spells.dmi'
+	button_icon_state = "autotomy"
+
+	cooldown_time = 1 SECONDS
+	check_flags = AB_CHECK_CONSCIOUS | AB_CHECK_HANDS_BLOCKED | AB_CHECK_INCAPACITATED
+
+	var/list/exclusions = list(BODY_ZONE_CHEST, BODY_ZONE_HEAD)
+
+/datum/action/cooldown/robot_self_amputation/proc/detaching_check(mob/living/carbon/human/target, obj/item/bodypart/limb_to_detach)
+	return !QDELETED(limb_to_detach) && limb_to_detach.owner == target
+
+/datum/action/cooldown/robot_self_amputation/Activate(mob/living/carbon/human/target)
+	if(!ishuman(target))
+		return
+
+	if(HAS_TRAIT(target, TRAIT_NODISMEMBER))
+		to_chat(target, span_warning("ERROR: LIMB DISENGAGEMENT PROTOCOLS OFFLINE. Seek out a maintenance technician."))
+		return
+
+
+	var/list/robot_parts = list()
+	for (var/obj/item/bodypart/possible_part as anything in target.bodyparts)
+		if ((possible_part.bodytype & BODYTYPE_ROBOTIC) && !(possible_part.body_zone in exclusions)) //only robot limbs and only if they're not crucial to our like, ongoing life, you know?
+			robot_parts += possible_part
+
+	if (!length(robot_parts))
+		to_chat(target, "ERROR: Limb disengagement protocols report no compatible cybernetics currently installed. Seek out a maintenance technician.")
+		return
+
+	var/obj/item/bodypart/limb_to_detach = tgui_input_list(target, "Limb to detach", "Cybernetic Limb Detachment", sort_names(robot_parts))
+	if (QDELETED(src) || QDELETED(target) || QDELETED(limb_to_detach) || limb_to_detach.owner != target)
+		return 
+
+	if (length(limb_to_detach.wounds) >= 1)
+		target.balloon_alert(target, "can't detach wounded limbs!")
+		playsound(target, 'sound/machines/buzz-sigh.ogg', 25, TRUE, SHORT_RANGE_SOUND_EXTRARANGE)
+		return
+	var/leg_check = IGNORE_USER_LOC_CHANGE
+	if (istype(limb_to_detach, /obj/item/bodypart/leg))
+		leg_check = NONE
+
+	target.balloon_alert(target, "detaching limb...")
+	playsound(target, 'sound/items/rped.ogg', 25, TRUE, SHORT_RANGE_SOUND_EXTRARANGE)
+	target.visible_message(span_notice("[target] shuffles [target.p_their()] [limb_to_detach.name] forward, actuators hissing and whirring as [target.p_they()] disengage[target.p_s()] the limb from its mount..."))
+
+	if(do_after(target, 1 SECONDS, timed_action_flags = leg_check, extra_checks = CALLBACK(src, PROC_REF(detaching_check), target, limb_to_detach)))
+		StartCooldown()
+		target.visible_message(span_notice("With a gentle twist, [target] finally pries [target.p_their()] [limb_to_detach.name] free from its socket."))
+		limb_to_detach.drop_limb()
+		target.put_in_hands(limb_to_detach)
+		target.balloon_alert(target, "limb detached!")
+		if(prob(5))
+			playsound(target, 'sound/items/champagne_pop.ogg', 25, TRUE, SHORT_RANGE_SOUND_EXTRARANGE)
+		else
+			playsound(target, 'sound/items/deconstruct.ogg', 25, TRUE, SHORT_RANGE_SOUND_EXTRARANGE)
+	else
+		target.balloon_alert(target, "interrupted!")
+		playsound(target, 'sound/machines/buzz-sigh.ogg', 25, TRUE, SHORT_RANGE_SOUND_EXTRARANGE)
+	return TRUE