Adds TTS to the game. Players can select their own voices in preferences. (#74775)

Co-authored-by: Watermelon914 <3052169-Watermelon914@users.noreply.gitlab.com>
Co-authored-by: Kyle Spier-Swenson <kyleshome@gmail.com>
Co-authored-by: Iamgoofball <iamgoofball@gmail.com>
Co-authored-by: Zephyr <12817816+ZephyrTFA@users.noreply.github.com>
Co-authored-by: Mothblocks <35135081+Mothblocks@users.noreply.github.com>

code/modules/vending/_vending.dm

@@ -64,6 +64,7 @@
 	payment_department = ACCOUNT_SRV
 	light_power = 0.7
 	light_range = MINIMUM_USEFUL_LIGHT_RANGE
+	voice_filter = "aderivative"
 
 	/// Is the machine active (No sales pitches if off)!
 	var/active = 1
@@ -185,7 +186,6 @@
 	/// used for narcing on underages
 	var/obj/item/radio/sec_radio
 
-
 /**
  * Initialize the vending machine
  *
@@ -208,6 +208,12 @@
 	. = ..()
 	wires = new /datum/wires/vending(src)
 
+	if(SStts.tts_enabled)
+		var/static/vendor_voice_by_type = list()
+		if(!vendor_voice_by_type[type])
+			vendor_voice_by_type[type] = pick(SStts.available_speakers)
+		voice = vendor_voice_by_type[type]
+
 	if(build_inv) //non-constructable vending machine
 		build_inventories()