Disabled legs trait (#17271)

* spine disability trait

* scanner shows it too, dna injector

* proper path

* synths don't count

---------

Co-authored-by: Willburd <7099514+Willburd@users.noreply.github.com>

code/__defines/dna.dm

@@ -49,6 +49,7 @@
 #define BLIND 0x1
 #define MUTE  0x2
 #define DEAF  0x4
+#define SPINE 0x8
 
 /* Traitgenes (Blocks have finally been retired, huzzah!
 // The way blocks are handled badly needs a rewrite, this is horrible.

code/game/machinery/adv_med.dm

@@ -333,8 +333,9 @@
 
 		occupantData["blind"] = (H.sdisabilities & BLIND)
 		occupantData["nearsighted"] = (H.disabilities & NEARSIGHTED)
-		occupantData["husked"] = (HUSK in H.mutations) // VOREstation edit
-		occupantData = attempt_vr(src, "get_occupant_data_vr", list(occupantData, H)) //VOREStation Insert
+		occupantData["brokenspine"] = (H.disabilities & SPINE)
+		occupantData["husked"] = (HUSK in H.mutations)
+		occupantData = attempt_vr(src, "get_occupant_data_vr", list(occupantData, H))
 	data["occupant"] = occupantData
 
 	return data

code/game/objects/items/weapons/dna_injector.dm

@@ -350,3 +350,7 @@
 /obj/item/dnainjector/set_trait/nonconduct/disable
 	disabling = TRUE
 */
+/obj/item/dnainjector/set_trait/damagedspine // brokenspine
+	trait_path = /datum/trait/negative/disability_damagedspine
+/obj/item/dnainjector/set_trait/damagedspine/disable
+	disabling = TRUE

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

@@ -73,7 +73,7 @@
 	if (istype(buckled, /obj/structure/bed))
 		return
 
-	var/limb_pain
+	var/limb_pain = FALSE
 	for(var/limb_tag in list("l_leg","r_leg","l_foot","r_foot"))
 		var/obj/item/organ/external/E = organs_by_name[limb_tag]
 		if(!E || !E.is_usable())
@@ -111,7 +111,8 @@
 			if(limb_pain)
 				emote("scream")
 			custom_emote(1, "collapses!")
-		Weaken(5) //can't emote while weakened, apparently.
+		if(!(lying || resting)) // stops permastun with SPINE sdisability
+			Weaken(5) //can't emote while weakened, apparently.
 
 /mob/living/carbon/human/proc/handle_grasp()
 	if(!l_hand && !r_hand)

code/modules/mob/living/carbon/human/species/station/traits_vr/negative_genes.dm

@@ -207,3 +207,17 @@
 	disability=CENSORED
 	activation_message="You feel less rude..."
 	primitive_expression_messages=list("BEEPS!")
+
+/datum/trait/negative/disability_damagedspine
+	name = "Lumbar Impairment"
+	desc = "Due to neurological damage, you are unable to use your legs. Collapsing to the ground as soon as you try to stand. You should check the loadout menu for something to assist you."
+	cost = -3
+	custom_only = FALSE
+	can_take = ORGANICS
+
+	is_genetrait = TRUE
+	hidden = FALSE
+	activity_bounds = DNA_HARDER_BOUNDS // Shouldn't be easy for genetics to find this
+
+	sdisability=SPINE
+	activation_message="Your legs shake..."

code/modules/organs/subtypes/standard.dm

@@ -151,6 +151,16 @@
 			owner.custom_pain("Your [name] burns like it's on fire!",15)
 			owner.Weaken(5)
 
+/obj/item/organ/external/leg/is_usable() // We only do legs, otherwise the stance_damage will be 8 instead of 4, meaning crutches do nothing as they only negate 4
+	if(robotic == ORGAN_FLESH && owner.sdisabilities & SPINE)
+		return FALSE
+	. = ..()
+
+/obj/item/organ/external/leg/organ_can_feel_pain()
+	if(robotic < ORGAN_ROBOT && owner.sdisabilities & SPINE)
+		return FALSE
+	. = ..()
+
 /obj/item/organ/external/leg/right
 	organ_tag = BP_R_LEG
 	name = "right leg"
@@ -194,6 +204,11 @@
 			owner.custom_pain("Your [name] burns like it's on fire!",15)
 			owner.Weaken(5)
 
+/obj/item/organ/external/foot/organ_can_feel_pain()
+	if(robotic < ORGAN_ROBOT && owner.sdisabilities & SPINE)
+		return FALSE
+	. = ..()
+
 /obj/item/organ/external/foot/right
 	organ_tag = BP_R_FOOT
 	name = "right foot"

tgui/packages/tgui/interfaces/BodyScanner/BodyScannerMainAbnormalities.tsx

@@ -11,6 +11,7 @@ export const BodyScannerMainAbnormalities = (props: { occupant: occupant }) => {
     occupant.blind ||
     occupant.colourblind ||
     occupant.nearsighted ||
+    occupant.brokenspine ||
     occupant.hasVirus ||
     occupant.husked;
 

tgui/packages/tgui/interfaces/BodyScanner/constants.ts

@@ -22,6 +22,7 @@ export const abnormalities: (string | ((occupant: occupant) => string))[][] = [
     (occupant) => 'Photoreceptor abnormalities detected.',
   ],
   ['nearsighted', 'average', (occupant) => 'Retinal misalignment detected.'],
+  ['brokenspine', 'average', (occupant) => 'Lumbar spine impairement.'],
   [
     'humanPrey',
     'average',

tgui/packages/tgui/interfaces/BodyScanner/types.ts

@@ -31,6 +31,7 @@ export type occupant = {
   intOrgan: internalOrgan[];
   blind: BooleanLike;
   nearsighted: BooleanLike;
+  brokenspine: BooleanLike;
   livingPrey: number;
   humanPrey: number;
   objectPrey: number;