[MIRROR] Adds the scanner shell. (#7048)

* Adds the scanner shell. (#60325)

Adds the scanner shell that lets you scan objects. Not much else than that.

* Adds the scanner shell.

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

code/modules/wiremod/shell/scanner.dm

@@ -0,0 +1,68 @@
+/**
+ * # Scanner
+ *
+ * A handheld device that lets you flash it over people.
+ */
+/obj/item/wiremod_scanner
+	name = "scanner"
+	icon = 'icons/obj/wiremod.dmi'
+	icon_state = "setup_small"
+	inhand_icon_state = "electronic"
+	worn_icon_state = "electronic"
+	lefthand_file = 'icons/mob/inhands/misc/devices_lefthand.dmi'
+	righthand_file = 'icons/mob/inhands/misc/devices_righthand.dmi'
+	light_system = MOVABLE_LIGHT_DIRECTIONAL
+	light_on = FALSE
+
+/obj/item/wiremod_scanner/Initialize()
+	. = ..()
+	AddComponent(/datum/component/shell, list(
+		new /obj/item/circuit_component/wiremod_scanner()
+	), SHELL_CAPACITY_SMALL)
+
+/obj/item/circuit_component/wiremod_scanner
+	display_name = "Scanner"
+	display_desc = "Used to receive scanned entities from the scanner."
+
+	/// Called when afterattack is called on the shell.
+	var/datum/port/output/signal
+
+	/// The attacker
+	var/datum/port/output/attacker
+
+	/// The entity being attacked
+	var/datum/port/output/attacking
+
+
+
+/obj/item/circuit_component/wiremod_scanner/Initialize()
+	. = ..()
+	attacker = add_output_port("Scanner", PORT_TYPE_ATOM)
+	attacking = add_output_port("Scanned Entity", PORT_TYPE_ATOM)
+	signal = add_output_port("Scanned", PORT_TYPE_SIGNAL)
+
+/obj/item/circuit_component/wiremod_scanner/Destroy()
+	attacker = null
+	attacking = null
+	signal = null
+	return ..()
+
+/obj/item/circuit_component/wiremod_scanner/register_shell(atom/movable/shell)
+	RegisterSignal(shell, COMSIG_ITEM_AFTERATTACK, .proc/handle_afterattack)
+
+/obj/item/circuit_component/wiremod_scanner/unregister_shell(atom/movable/shell)
+	UnregisterSignal(shell, COMSIG_ITEM_AFTERATTACK)
+
+/**
+ * Called when the shell item attacks something
+ */
+/obj/item/circuit_component/wiremod_scanner/proc/handle_afterattack(atom/source, atom/target, mob/user, proximity_flag)
+	SIGNAL_HANDLER
+	if(!proximity_flag)
+		return
+	source.balloon_alert(user, "scanned object")
+	playsound(source, get_sfx("terminal_type"), 25, FALSE)
+	attacker.set_output(user)
+	attacking.set_output(target)
+	signal.set_output(COMPONENT_SIGNAL)
+