Adds Deksers custom augment (#12615)

code/__defines/mobs.dm

@@ -168,6 +168,7 @@
 #define BP_AUG_SIGHTLIGHTS     "ocular installed sightlights"
 #define BP_AUG_CORRECTIVE_LENS "corrective lenses"
 #define BP_AUG_GLARE_DAMPENER "glare dampeners"
+#define BP_AUG_ACC_CORDS       "modified synthetic vocal cords"
 
 //Organ defines
 #define PROCESS_ACCURACY 10

code/modules/customitems/item_defines.dm

@@ -2317,3 +2317,7 @@ All custom items with worn sprites must follow the contained sprite system: http
 	item_state = "ulzka_skull"
 	canremove = FALSE
 	contained_sprite = TRUE
+
+/obj/item/organ/internal/augment/synthetic_cords/voice/fluff/marc //Old Synthetic Vocal Cords - Marc Hardy - Dekser
+    name = "old synthetic vocal cords"
+    desc = "A set of Old Age Synthetic Vocal Cords. They look barely functional."

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

@@ -2012,6 +2012,10 @@
 		if(rig.speech && rig.speech.voice_holder && rig.speech.voice_holder.active && rig.speech.voice_holder.current_accent)
 			used_accent = rig.speech.voice_holder.current_accent
 
+	var/obj/item/organ/internal/augment/synthetic_cords/voice/aug = internal_organs_by_name[BP_AUG_ACC_CORDS] //checks for augments, thanks grey
+	if(aug)
+		used_accent = aug.accent
+	
 	for(var/obj/item/gear in list(wear_mask,wear_suit,head)) //checks for voice changers masks now
 		if(gear)
 			var/obj/item/voice_changer/changer = locate() in gear

code/modules/organs/subtypes/augment.dm

@@ -445,6 +445,11 @@
 	organ_tag = BP_AUG_CORDS
 	parent_organ = BP_HEAD
 
+/obj/item/organ/internal/augment/synthetic_cords/voice
+    desc = "An array of vocal cords. These appears to have been modified with a specific accent."
+    organ_tag = BP_AUG_ACC_CORDS
+    var/accent = ACCENT_TTS
+
 /obj/item/organ/internal/augment/synthetic_cords/replaced(var/mob/living/carbon/human/target, obj/item/organ/external/affected)
 	. = ..()
 	target.sdisabilities &= ~MUTE