Mortem: synthesized humans from RnD

code/modules/organs/external/subtypes/robotic.dm

@@ -9,6 +9,20 @@
 	spawn_tags = SPAWN_TAG_PROSTHETIC
 	bad_type = /obj/item/organ/external/robotic
 	var/min_malfunction_damage = 20 // Any more damage than that and you start getting nasty random malfunctions
+	var/list/constructs_body = list(
+		BP_CHEST = null,
+		BP_HEAD  = null,
+		BP_GROIN = null,
+		BP_L_ARM = null,
+		BP_R_ARM = null,
+		BP_L_LEG = null,
+		BP_R_LEG = null,
+	)
+
+/obj/item/organ/external/robotic/New()
+	..()
+	if(organ_tag == BP_CHEST)
+		constructs_body[BP_CHEST] = src
 
 /obj/item/organ/external/robotic/get_cache_key()
 	return "Robotic[model]"
@@ -20,8 +34,83 @@
 	icon_state = "[organ_tag]_[gender]"
 	mob_icon = icon(force_icon, icon_state)
 	icon = mob_icon
+
+	overlays.Cut()
+	for(var/tag in constructs_body)
+		if(constructs_body[tag])
+			overlays += constructs_body[tag]
+
 	return mob_icon
 
+/obj/item/organ/external/robotic/attackby(obj/item/I, mob/user)
+	..()
+	// Check if organ havent tag or not be chest
+	if(!organ_tag || organ_tag != BP_CHEST)
+		return
+
+	// Check if organ not part
+	if(!istype(I, bad_type))
+		return to_chat(user, SPAN_NOTICE("Assemble parts of the same set."))
+
+	// Check if parts already installed
+	var/obj/item/organ/external/robotic/part = I
+	if(!part.organ_tag || constructs_body[part.organ_tag])
+		return to_chat(user, SPAN_NOTICE("You've already put that part in."))
+
+	// Insert part into phantom holder
+	constructs_body[part.organ_tag] = part
+	user.drop_from_inventory(part)
+	part.forceMove(src)
+	update_icon()
+
+	// Increase body size
+	w_class += part.w_class
+
+	// Check body pargs, if not fully done - return from proc
+	for(var/tag in constructs_body)
+		if(!constructs_body[tag])
+			return
+
+	// Prompt human name
+	var/name = sanitizeSafe(input(user, "Set a name for the new prosthetic."), MAX_NAME_LEN)
+	if(!name)
+		name = "prosthetic ([random_id("prosthetic_id", 1, 999)])"
+
+	// Prompt human sex
+	var/sex = input(user, "Choose your character's sex:", CHARACTER_PREFERENCE_INPUT_TITLE) as null|anything in list(FEMALE, MALE, NEUTER)
+	if(!sex)
+		sex = NEUTER
+
+	// Create human and rename
+	var/mob/living/carbon/human/H = new /mob/living/carbon/human(get_turf(loc))
+	H.fully_replace_character_name(name, name)
+	H.death(0)
+
+	// Replace human organs
+	for(var/tag in constructs_body)
+		if(H.organs_by_name[tag])
+			qdel(H.organs_by_name[tag])
+
+		// Create new robo-organ
+		var/obj/item/organ/external/organ = constructs_body[tag]
+		new organ.type(H)
+
+	// Create and prothesis organs, without brain and appendix
+	for(var/tag in H.species.has_process - list(BP_BRAIN, OP_APPENDIX))
+		var/organ_type = H.species.has_process[tag]
+
+		// Create natural organ and change their nature type
+		var/obj/item/organ/internal/O = new organ_type(H)
+		O.nature = MODIFICATION_SILICON
+
+	// Setup human sex and update body
+	H.gender = sex
+	H.update_body()
+	H.regenerate_icons()
+
+	// Delete chest with phantom holder
+	qdel(src)
+
 /obj/item/organ/external/robotic/is_malfunctioning()
 	return prob(brute_dam + burn_dam - min_malfunction_damage)
 

code/modules/surgery/robotic.dm

@@ -4,6 +4,9 @@
 	inflict_agony = 0 // Robotic organs can't feel pain anyway
 
 /datum/surgery_step/robotic/can_use(mob/living/user, obj/item/organ/external/organ, obj/item/tool)
+	if(organ.organ_tag == BP_BRAIN)
+		return TRUE
+
 	return BP_IS_ROBOTIC(organ)
 
 // Robotic organs are intended to be assembled and disassembled, making them far easier to work with.