[MIRROR] More circuit components. Restructures the circuit components folder to be more organised. (#6142)

* More circuit components. Restructures the circuit components folder to be more organised.

* Mirror!

Co-authored-by: Watermelon914 <37270891+Watermelon914@users.noreply.github.com>
Co-authored-by: Funce <funce.973@gmail.com>

code/modules/wiremod/components/utility/clock.dm

@@ -0,0 +1,54 @@
+/**
+ * # Clock Component
+ *
+ * Fires every tick of the circuit timer SS
+ */
+/obj/item/circuit_component/clock
+	display_name = "Clock"
+
+	/// Whether the clock is on or not
+	var/datum/port/input/on
+
+	/// The signal from this clock component
+	var/datum/port/output/signal
+
+/obj/item/circuit_component/clock/Initialize()
+	. = ..()
+	on = add_input_port("On", PORT_TYPE_NUMBER)
+
+	signal = add_output_port("Signal", PORT_TYPE_SIGNAL)
+
+/obj/item/circuit_component/clock/input_received(datum/port/input/port)
+	. = ..()
+	if(.)
+		return
+
+	if(on.input_value)
+		start_process()
+	else
+		stop_process()
+
+/obj/item/circuit_component/clock/Destroy()
+	on = null
+	signal = null
+	stop_process()
+	return ..()
+
+/obj/item/circuit_component/clock/process(delta_time)
+	signal.set_output(COMPONENT_SIGNAL)
+
+/**
+ * Adds the component to the SSclock_component process list
+ *
+ * Starts ticking to send signals between periods of time
+ */
+/obj/item/circuit_component/clock/proc/start_process()
+	START_PROCESSING(SSclock_component, src)
+
+/**
+ * Removes the component to the SSclock_component process list
+ *
+ * Signals stop getting sent.
+ */
+/obj/item/circuit_component/clock/proc/stop_process()
+	STOP_PROCESSING(SSclock_component, src)