[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/string/concat.dm

@@ -0,0 +1,45 @@
+/**
+ * # Concatenate Component
+ *
+ * General string concatenation component. Puts strings together.
+ */
+/obj/item/circuit_component/concat
+	display_name = "Concatenate"
+
+	/// The amount of input ports to have
+	var/input_port_amount = 4
+
+	/// The result from the output
+	var/datum/port/output/output
+	circuit_flags = CIRCUIT_FLAG_INPUT_SIGNAL|CIRCUIT_FLAG_OUTPUT_SIGNAL
+
+/obj/item/circuit_component/concat/Initialize()
+	. = ..()
+	for(var/port_id in 1 to input_port_amount)
+		var/letter = ascii2text(text2ascii("A") + (port_id-1))
+		add_input_port(letter, PORT_TYPE_STRING)
+
+	output = add_output_port("Output", PORT_TYPE_STRING)
+
+/obj/item/circuit_component/concat/Destroy()
+	output = null
+	return ..()
+
+/obj/item/circuit_component/concat/input_received(datum/port/input/port)
+	. = ..()
+	if(.)
+		return
+
+	var/result = ""
+	var/list/ports = input_ports.Copy()
+	ports -= trigger_input
+
+	for(var/datum/port/input/input_port as anything in ports)
+		var/value = input_port.input_value
+		if(isnull(value))
+			continue
+
+		result += "[value]"
+
+	output.set_output(result)
+