[PORT] Lightswitch context and deconstruction from TG (PR#79416) (#579)

code/game/machinery/lightswitch.dm

@@ -12,6 +12,8 @@
 	var/area/area = null
 	///Range of the light emitted when powered, but off
 	var/light_on_range = 1
+	/// Should this lightswitch automatically rename itself to match the area it's in?
+	var/autoname = TRUE
 
 /obj/machinery/light_switch/Initialize(mapload)
 	. = ..()
@@ -30,11 +32,22 @@ MAPPING_DIRECTIONAL_HELPERS_ROBUST(/obj/machinery/light_switch, 32, -18, 33, -33
 	if(!area)
 		area = get_area(src)
 
-	if(!name)
-		name = "light switch ([area.name])"
+	if(autoname)
+		name = "[area.name] light switch"
 
+	register_context()
 	update_appearance()
 
+/obj/machinery/light_switch/add_context(atom/source, list/context, obj/item/held_item, mob/user)
+	. = ..()
+	if(isnull(held_item))
+		context[SCREENTIP_CONTEXT_LMB] = area.lightswitch ? "Flick off" : "Flick on"
+		return CONTEXTUAL_SCREENTIP_SET
+	if(held_item.tool_behaviour == TOOL_SCREWDRIVER)
+		context[SCREENTIP_CONTEXT_RMB] = "Deconstruct"
+		return CONTEXTUAL_SCREENTIP_SET
+	return .
+
 /obj/machinery/light_switch/update_appearance(updates=ALL)
 	. = ..()
 	luminosity = (machine_stat & NOPOWER) ? 0 : 1
@@ -57,11 +70,19 @@ MAPPING_DIRECTIONAL_HELPERS_ROBUST(/obj/machinery/light_switch, 32, -18, 33, -33
 /obj/machinery/light_switch/examine(mob/user)
 	. = ..()
 	. += "It is [(machine_stat & NOPOWER) ? "unpowered" : (area.lightswitch ? "on" : "off")]."
+	. += span_notice("It is <b>screwed</b> in place.")
 
 /obj/machinery/light_switch/interact(mob/user)
 	. = ..()
 	set_lights(!area.lightswitch)
 
+/obj/machinery/light_switch/attackby_secondary(obj/item/weapon, mob/user, params)
+	if(weapon.tool_behaviour == TOOL_SCREWDRIVER)
+		to_chat(user, "You pop \the [src] off the wall.")
+		deconstruct()
+		return SECONDARY_ATTACK_CANCEL_ATTACK_CHAIN
+	return ..()
+
 /obj/machinery/light_switch/proc/set_lights(status)
 	if(area.lightswitch == status)
 		return