mirror of
https://github.com/SPLURT-Station/S.P.L.U.R.T-Station-13.git
synced 2026-01-02 21:25:24 +00:00
131 lines
3.8 KiB
Plaintext
131 lines
3.8 KiB
Plaintext
#define STAIR_TERMINATOR_AUTOMATIC 0
|
|
#define STAIR_TERMINATOR_NO 1
|
|
#define STAIR_TERMINATOR_YES 2
|
|
|
|
// dir determines the direction of travel to go upwards (due to lack of sprites, currently only 1 and 2 make sense)
|
|
// stairs require /turf/open/openspace as the tile above them to work
|
|
// multiple stair objects can be chained together; the Z level transition will happen on the final stair object in the chain
|
|
|
|
/obj/structure/stairs
|
|
name = "stairs"
|
|
icon = 'icons/obj/stairs.dmi'
|
|
icon_state = "stairs"
|
|
anchored = TRUE
|
|
|
|
var/force_open_above = FALSE // replaces the turf above this stair obj with /turf/open/openspace
|
|
var/terminator_mode = STAIR_TERMINATOR_AUTOMATIC
|
|
var/turf/listeningTo
|
|
|
|
/obj/structure/stairs/Initialize(mapload)
|
|
if(force_open_above)
|
|
force_open_above()
|
|
build_signal_listener()
|
|
update_surrounding()
|
|
return ..()
|
|
|
|
/obj/structure/stairs/Destroy()
|
|
listeningTo = null
|
|
return ..()
|
|
|
|
/obj/structure/stairs/Move() //Look this should never happen but...
|
|
. = ..()
|
|
if(force_open_above)
|
|
build_signal_listener()
|
|
update_surrounding()
|
|
|
|
/obj/structure/stairs/proc/update_surrounding()
|
|
update_icon()
|
|
for(var/i in GLOB.cardinals)
|
|
var/turf/T = get_step(get_turf(src), i)
|
|
var/obj/structure/stairs/S = locate() in T
|
|
if(S)
|
|
S.update_icon()
|
|
|
|
/obj/structure/stairs/Uncross(atom/movable/AM, turf/newloc)
|
|
if(!newloc || !AM)
|
|
return ..()
|
|
if(!isobserver(AM) && isTerminator() && (get_dir(src, newloc) == dir))
|
|
stair_ascend(AM)
|
|
return FALSE
|
|
return ..()
|
|
|
|
/obj/structure/stairs/Cross(atom/movable/AM)
|
|
if(isTerminator() && (get_dir(src, AM) == dir))
|
|
return FALSE
|
|
return ..()
|
|
|
|
/obj/structure/stairs/update_icon()
|
|
if(isTerminator())
|
|
icon_state = "stairs_t"
|
|
else
|
|
icon_state = "stairs"
|
|
|
|
/obj/structure/stairs/proc/stair_ascend(atom/movable/AM)
|
|
var/turf/checking = get_step_multiz(get_turf(src), UP)
|
|
if(!istype(checking))
|
|
return
|
|
if(!checking.zPassIn(AM, UP, get_turf(src)))
|
|
return
|
|
var/turf/target = get_step_multiz(get_turf(src), (dir|UP))
|
|
if(istype(target) && !target.can_zFall(AM, null, get_step_multiz(target, DOWN))) //Don't throw them into a tile that will just dump them back down.
|
|
if(isliving(AM))
|
|
var/mob/living/L = AM
|
|
var/pulling = L.pulling
|
|
if(pulling)
|
|
L.pulling.forceMove(target)
|
|
L.forceMove(target)
|
|
L.start_pulling(pulling)
|
|
else
|
|
AM.forceMove(target)
|
|
|
|
/obj/structure/stairs/vv_edit_var(var_name, var_value)
|
|
. = ..()
|
|
if(!.)
|
|
return
|
|
if(var_name != NAMEOF(src, force_open_above))
|
|
return
|
|
if(!var_value)
|
|
if(listeningTo)
|
|
UnregisterSignal(listeningTo, COMSIG_TURF_MULTIZ_NEW)
|
|
listeningTo = null
|
|
else
|
|
build_signal_listener()
|
|
force_open_above()
|
|
|
|
/obj/structure/stairs/proc/build_signal_listener()
|
|
if(listeningTo)
|
|
UnregisterSignal(listeningTo, COMSIG_TURF_MULTIZ_NEW)
|
|
var/turf/open/openspace/T = get_step_multiz(get_turf(src), UP)
|
|
RegisterSignal(T, COMSIG_TURF_MULTIZ_NEW, .proc/on_multiz_new)
|
|
listeningTo = T
|
|
|
|
/obj/structure/stairs/proc/force_open_above()
|
|
var/turf/open/openspace/T = get_step_multiz(get_turf(src), UP)
|
|
if(T && !istype(T))
|
|
T.ChangeTurf(/turf/open/openspace, flags = CHANGETURF_INHERIT_AIR)
|
|
|
|
/obj/structure/stairs/proc/on_multiz_new(turf/source, dir)
|
|
if(dir == UP)
|
|
var/turf/open/openspace/T = get_step_multiz(get_turf(src), UP)
|
|
if(T && !istype(T))
|
|
T.ChangeTurf(/turf/open/openspace, flags = CHANGETURF_INHERIT_AIR)
|
|
|
|
/obj/structure/stairs/intercept_zImpact(atom/movable/AM, levels = 1)
|
|
. = ..()
|
|
if(isTerminator())
|
|
. |= FALL_INTERCEPTED | FALL_NO_MESSAGE
|
|
|
|
/obj/structure/stairs/proc/isTerminator() //If this is the last stair in a chain and should move mobs up
|
|
if(terminator_mode != STAIR_TERMINATOR_AUTOMATIC)
|
|
return (terminator_mode == STAIR_TERMINATOR_YES)
|
|
var/turf/T = get_turf(src)
|
|
if(!T)
|
|
return FALSE
|
|
var/turf/them = get_step(T, dir)
|
|
if(!them)
|
|
return FALSE
|
|
for(var/obj/structure/stairs/S in them)
|
|
if(S.dir == dir)
|
|
return FALSE
|
|
return TRUE
|