Ports Modular Computers from Baystation

This is just the initial parts. Additional work will probably be necessary.

code/modules/modular_computers/hardware/nano_printer.dm

@@ -0,0 +1,59 @@
+/obj/item/weapon/computer_hardware/nano_printer
+	name = "nano printer"
+	desc = "Small integrated printer with scanner and paper recycling module."
+	power_usage = 50
+	icon_state = "printer"
+	hardware_size = 1
+	var/stored_paper = 5
+	var/max_paper = 10
+	var/obj/item/weapon/paper/P = null	// Currently stored paper for scanning.
+
+
+/obj/item/weapon/computer_hardware/nano_printer/proc/print_text(var/text_to_print)
+	if(!stored_paper)
+		return 0
+
+	// Recycle stored paper
+	if(P)
+		stored_paper++
+		qdel(P)
+		P = null
+
+	P = new/obj/item/weapon/paper(get_turf(holder2))
+	P.info = text_to_print
+	P.update_icon()
+	stored_paper--
+	P = null
+	return 1
+
+/obj/item/weapon/computer_hardware/nano_printer/proc/load_paper(var/obj/item/weapon/paper/paper)
+	if(!paper || !istype(paper))
+		return 0
+
+	// We already have paper loaded, recycle it.
+	if(P && try_recycle_paper())
+		P = paper
+		P.forceMove(holder2)
+
+/obj/item/weapon/computer_hardware/nano_printer/proc/try_recycle_paper()
+	if(!P)
+		return 0
+
+	if(stored_paper >= max_paper)
+		return 0
+
+	qdel(P)
+	P = null
+	return 1
+
+/obj/item/weapon/computer_hardware/nano_printer/Destroy()
+	if(holder2 && (holder2.nano_printer == src))
+		holder2.nano_printer = null
+	if(P)
+		if(holder2)
+			P.forceMove(get_turf(holder2))
+		else
+			qdel(P)
+		P = null
+	holder2 = null
+	..()