Adds circuit USB for reflectors (#64037)

Reflectors get USB ports. You can put in an angle and, if the reflector is unlocked, it goes to that angle when the component is triggered.

Fun new uses for circuits! Fun new uses for the trig module!! We love lasers!!!

code/game/objects/structures/reflector.dm

@@ -32,6 +32,10 @@
 
 	if(admin)
 		can_rotate = FALSE
+	
+	AddComponent(/datum/component/usb_port, list(
+		/obj/item/circuit_component/reflector,
+	))
 
 /obj/structure/reflector/examine(mob/user)
 	. = ..()
@@ -256,3 +260,30 @@
 		return
 	else
 		return ..()
+
+//	USB
+
+/obj/item/circuit_component/reflector
+	display_name = "Reflector"
+	desc = "Allows you to adjust the angle of a reflector."
+	circuit_flags = CIRCUIT_FLAG_INPUT_SIGNAL
+	
+	///angle the reflector will be set to at trigger unless locked
+	var/datum/port/input/angle
+	
+	var/obj/structure/reflector/attached_reflector
+
+/obj/item/circuit_component/reflector/populate_ports()
+	angle = add_input_port("Angle", PORT_TYPE_NUMBER)
+
+/obj/item/circuit_component/reflector/register_usb_parent(atom/movable/parent)
+	. = ..()
+	if(istype(parent, /obj/structure/reflector))
+		attached_reflector = parent
+
+/obj/item/circuit_component/reflector/unregister_usb_parent(atom/movable/parent)
+	attached_reflector = null
+	return ..()
+
+/obj/item/circuit_component/reflector/input_received(datum/port/input/port)
+	attached_reflector?.set_angle(angle.value)