Merge pull request #13477 from LetterN/patch-2

Adds craftable railings

code/game/objects/structures/railings.dm

@@ -0,0 +1,107 @@
+/obj/structure/railing
+	name = "railing"
+	desc = "Basic railing meant to protect idiots like you from falling."
+	icon = 'icons/obj/fluff.dmi'
+	icon_state = "railing"
+	density = TRUE
+	anchored = TRUE
+	climbable = TRUE
+	///Initial direction of the railing.
+	var/ini_dir
+
+/obj/structure/railing/corner //aesthetic corner sharp edges hurt oof ouch
+	icon_state = "railing_corner"
+	density = FALSE
+	climbable = FALSE
+
+/obj/structure/railing/ComponentInitialize()
+	. = ..()
+	AddComponent(/datum/component/simple_rotation,ROTATION_ALTCLICK | ROTATION_CLOCKWISE | ROTATION_COUNTERCLOCKWISE | ROTATION_VERBS ,null,CALLBACK(src, .proc/can_be_rotated),CALLBACK(src,.proc/after_rotation))
+
+/obj/structure/railing/Initialize()
+	. = ..()
+	ini_dir = dir
+
+/obj/structure/railing/attackby(obj/item/I, mob/living/user, params)
+	..()
+	add_fingerprint(user)
+	if(I.tool_behaviour == TOOL_WELDER && user.a_intent == INTENT_HELP)
+		if(obj_integrity < max_integrity)
+			if(!I.tool_start_check(user, amount=0))
+				return
+			to_chat(user, "<span class='notice'>You begin repairing [src]...</span>")
+			if(I.use_tool(src, user, 40, volume=50))
+				obj_integrity = max_integrity
+				to_chat(user, "<span class='notice'>You repair [src].</span>")
+		else
+			to_chat(user, "<span class='warning'>[src] is already in good condition!</span>")
+		return
+
+/obj/structure/railing/wirecutter_act(mob/living/user, obj/item/I)
+	. = ..()
+	if(!anchored)
+		to_chat(user, "<span class='warning'>You cut apart the railing.</span>")
+		I.play_tool_sound(src, 100)
+		deconstruct()
+		return TRUE
+
+/obj/structure/railing/deconstruct(disassembled)
+	. = ..()
+	if(!loc) //quick check if it's qdeleted already.
+		return
+	if(!(flags_1 & NODECONSTRUCT_1))
+		var/obj/item/stack/rods/rod = new /obj/item/stack/rods(drop_location(), 3)
+		transfer_fingerprints_to(rod)
+		qdel(src)
+///Implements behaviour that makes it possible to unanchor the railing.
+/obj/structure/railing/wrench_act(mob/living/user, obj/item/I)
+	. = ..()
+	if(flags_1&NODECONSTRUCT_1)
+		return
+	to_chat(user, "<span class='notice'>You begin to [anchored ? "unfasten the railing from":"fasten the railing to"] the floor...</span>")
+	if(I.use_tool(src, user, volume = 75, extra_checks = CALLBACK(src, .proc/check_anchored, anchored)))
+		setAnchored(!anchored)
+		to_chat(user, "<span class='notice'>You [anchored ? "fasten the railing to":"unfasten the railing from"] the floor.</span>")
+	return TRUE
+
+/obj/structure/railing/CanPass(atom/movable/mover, turf/target)
+	. = ..()
+	if(get_dir(loc, target) & dir)
+		var/checking = FLYING | FLOATING
+		return . || mover.throwing || mover.movement_type & checking
+	return TRUE
+
+/obj/structure/railing/corner/CanPass()
+	..()
+	return TRUE
+
+/obj/structure/railing/CheckExit(atom/movable/mover, turf/target)
+	..()
+	if(get_dir(loc, target) & dir)
+		var/checking = UNSTOPPABLE | FLYING | FLOATING
+		return !density || mover.throwing || mover.movement_type & checking || mover.move_force >= MOVE_FORCE_EXTREMELY_STRONG
+	return TRUE
+
+/obj/structure/railing/corner/CheckExit()
+	return TRUE
+
+/obj/structure/railing/proc/can_be_rotated(mob/user,rotation_type)
+	if(anchored)
+		to_chat(user, "<span class='warning'>[src] cannot be rotated while it is fastened to the floor!</span>")
+		return FALSE
+
+	var/target_dir = turn(dir, rotation_type == ROTATION_CLOCKWISE ? -90 : 90)
+
+	if(!valid_window_location(loc, target_dir)) //Expanded to include rails, as well!
+		to_chat(user, "<span class='warning'>[src] cannot be rotated in that direction!</span>")
+		return FALSE
+	return TRUE
+
+/obj/structure/railing/proc/check_anchored(checked_anchored)
+	if(anchored == checked_anchored)
+		return TRUE
+
+/obj/structure/railing/proc/after_rotation(mob/user,rotation_type)
+	air_update_turf(1)
+	ini_dir = dir
+	add_fingerprint(user)

code/game/objects/structures/stairs.dm

@@ -16,6 +16,18 @@
 	var/terminator_mode = STAIR_TERMINATOR_AUTOMATIC
 	var/turf/listeningTo
 
+/obj/structure/stairs/north
+	dir = NORTH
+
+/obj/structure/stairs/south
+	dir = SOUTH
+
+/obj/structure/stairs/east
+	dir = EAST
+
+/obj/structure/stairs/west
+	dir = WEST
+
 /obj/structure/stairs/Initialize(mapload)
 	if(force_open_above)
 		force_open_above()
@@ -105,6 +117,9 @@
 		T.ChangeTurf(/turf/open/transparent/openspace, flags = CHANGETURF_INHERIT_AIR)
 
 /obj/structure/stairs/proc/on_multiz_new(turf/source, dir)
+	//SIGNAL_HANDLER
+	SHOULD_NOT_SLEEP(TRUE) //the same thing.
+
 	if(dir == UP)
 		var/turf/open/transparent/openspace/T = get_step_multiz(get_turf(src), UP)
 		if(T && !istype(T))