Adds a Horizon roundstart report with overmap bearings, sensor tweaks. (#15765)

code/modules/modular_computers/computers/modular_computer/core.dm

@@ -95,6 +95,7 @@
 	if(looping_sound)
 		soundloop = new(src, enabled)
 	initial_name = name
+	listener = new(LISTENER_MODULAR_COMPUTER, src)
 
 /obj/item/modular_computer/Destroy()
 	kill_program(TRUE)
@@ -105,6 +106,7 @@
 		qdel(CH)
 	STOP_PROCESSING(SSprocessing, src)
 	QDEL_NULL(soundloop)
+	QDEL_NULL(listener)
 	return ..()
 
 /obj/item/modular_computer/CouldUseTopic(var/mob/user)

code/modules/modular_computers/computers/modular_computer/variables.dm

@@ -79,6 +79,7 @@
 	var/obj/item/computer_hardware/tesla_link/tesla_link					// Tesla Link, Allows remote charging from nearest APC.
 	var/obj/item/device/paicard/personal_ai									// Personal AI, can control the device via a verb when installed
 	var/obj/item/computer_hardware/flashlight/flashlight
+	var/listener/listener
 
 	var/registered_message = ""