Merge pull request #3916 from PrismaticGynoid/radioenabledbrains

Makes all synthetic brains radio-enabled.

code/game/objects/items/devices/radio/headset.dm

@@ -317,6 +317,20 @@
 	item_state = "headset"
 	ks2type = /obj/item/device/encryptionkey/heads/hos
 
+/obj/item/device/radio/headset/mmi_radio
+	name = "brain-integrated radio"
+	desc = "MMIs and synthetic brains are often equipped with these."
+	icon = 'icons/obj/robot_component.dmi'
+	icon_state = "radio"
+	item_state = "headset"
+	var/mmiowner = null
+	var/radio_enabled = 1
+
+/obj/item/device/radio/headset/mmi_radio/receive_range(freq, level)
+	if (!radio_enabled || istype(src.loc.loc, /mob/living/silicon) || istype(src.loc.loc, /obj/item/organ/internal))
+		return -1 //Transciever Disabled.
+	return ..(freq, level, 1)
+
 /obj/item/device/radio/headset/attackby(obj/item/weapon/W as obj, mob/user as mob)
 //	..()
 	user.set_machine(src)