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Polaris/code/game/objects/structures/railing.dm
spookerton 1ccb2df2de trivial 1:1 overlays -> overlay proc changes 
NB. In some cases we go from a more complex image() to a single icon_state string and I assume this works for every case but do not care to check because of the sheer scale of extra fiddly effort. Buyer beware, not my code.
2022-04-24 07:50:21 +01:00

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// Based on railing.dmi from https://github.com/Endless-Horizon/CEV-Eris
/obj/structure/railing
name = "railing"
desc = "A standard steel railing, painted orange. Play stupid games, win stupid prizes."
icon = 'icons/obj/railing.dmi'
density = 1
throwpass = 1
climbable = 1
layer = WINDOW_LAYER
anchored = 1
flags = ON_BORDER
icon_state = "railing0"
var/broken = FALSE
var/health = 70
var/maxhealth = 70
var/check = 0
var/icon_modifier = ""
/obj/structure/railing/grey
name = "grey railing"
desc = "A standard steel railing. Prevents stupid people from falling to their doom."
icon_modifier = "grey_"
icon_state = "grey_railing0"
/obj/structure/railing/Initialize(var/ml, constructed = 0)
. = ..()
// TODO - "constructed" is not passed to us. We need to find a way to do this safely.
if (constructed) // player-constructed railings
anchored = 0
if(climbable)
verbs += /obj/structure/proc/climb_on
if(anchored)
update_icon(0)
/obj/structure/railing/Destroy()
var/turf/location = loc
. = ..()
for(var/obj/structure/railing/R in orange(location, 1))
R.update_icon()
/obj/structure/railing/CanPass(atom/movable/mover, turf/target)
if(istype(mover) && mover.checkpass(PASSTABLE))
return TRUE
if(get_dir(mover, target) == turn(dir, 180))
return !density
return TRUE
/obj/structure/railing/examine(mob/user)
. = ..()
if(health < maxhealth)
switch(health / maxhealth)
if(0.0 to 0.5)
. += "<span class='warning'>It looks severely damaged!</span>"
if(0.25 to 0.5)
. += "<span class='warning'>It looks damaged!</span>"
if(0.5 to 1.0)
. += "<span class='notice'>It has a few scrapes and dents.</span>"
/obj/structure/railing/take_damage(amount)
health -= amount
if(health <= 0)
visible_message("<span class='warning'>\The [src] breaks down!</span>")
playsound(src, 'sound/effects/grillehit.ogg', 50, 1)
new /obj/item/stack/rods(get_turf(src))
qdel(src)
/obj/structure/railing/proc/NeighborsCheck(var/UpdateNeighbors = 1)
check = 0
//if (!anchored) return
var/Rturn = turn(src.dir, -90)
var/Lturn = turn(src.dir, 90)
for(var/obj/structure/railing/R in src.loc)
if ((R.dir == Lturn) && R.anchored)
check |= 32
if (UpdateNeighbors)
R.update_icon(0)
if ((R.dir == Rturn) && R.anchored)
check |= 2
if (UpdateNeighbors)
R.update_icon(0)
for (var/obj/structure/railing/R in get_step(src, Lturn))
if ((R.dir == src.dir) && R.anchored)
check |= 16
if (UpdateNeighbors)
R.update_icon(0)
for (var/obj/structure/railing/R in get_step(src, Rturn))
if ((R.dir == src.dir) && R.anchored)
check |= 1
if (UpdateNeighbors)
R.update_icon(0)
for (var/obj/structure/railing/R in get_step(src, (Lturn + src.dir)))
if ((R.dir == Rturn) && R.anchored)
check |= 64
if (UpdateNeighbors)
R.update_icon(0)
for (var/obj/structure/railing/R in get_step(src, (Rturn + src.dir)))
if ((R.dir == Lturn) && R.anchored)
check |= 4
if (UpdateNeighbors)
R.update_icon(0)
/obj/structure/railing/update_icon(var/UpdateNeighgors = 1)
NeighborsCheck(UpdateNeighgors)
//layer = (dir == SOUTH) ? FLY_LAYER : initial(layer) // wtf does this even do
cut_overlays()
if (!check || !anchored)//|| !anchored
icon_state = "[icon_modifier]railing0"
else
icon_state = "[icon_modifier]railing1"
if (check & 32)
add_overlay(image('icons/obj/railing.dmi', src, "[icon_modifier]corneroverlay"))
if ((check & 16) || !(check & 32) || (check & 64))
add_overlay(image('icons/obj/railing.dmi', src, "[icon_modifier]frontoverlay_l"))
if (!(check & 2) || (check & 1) || (check & 4))
add_overlay(image('icons/obj/railing.dmi', src, "[icon_modifier]frontoverlay_r"))
if(check & 4)
switch (src.dir)
if (NORTH)
add_overlay(image('icons/obj/railing.dmi', src, "[icon_modifier]mcorneroverlay", pixel_x = 32))
if (SOUTH)
add_overlay(image('icons/obj/railing.dmi', src, "[icon_modifier]mcorneroverlay", pixel_x = -32))
if (EAST)
add_overlay(image('icons/obj/railing.dmi', src, "[icon_modifier]mcorneroverlay", pixel_y = -32))
if (WEST)
add_overlay(image('icons/obj/railing.dmi', src, "[icon_modifier]mcorneroverlay", pixel_y = 32))
/obj/structure/railing/verb/rotate_counterclockwise()
set name = "Rotate Railing Counter-Clockwise"
set category = "Object"
set src in oview(1)
if(usr.incapacitated())
return 0
if (!can_touch(usr) || ismouse(usr))
return
if(anchored)
to_chat(usr, "It is fastened to the floor therefore you can't rotate it!")
return 0
src.set_dir(turn(src.dir, 90))
update_icon()
return
/obj/structure/railing/verb/rotate_clockwise()
set name = "Rotate Railing Clockwise"
set category = "Object"
set src in oview(1)
if(usr.incapacitated())
return 0
if (!can_touch(usr) || ismouse(usr))
return
if(anchored)
to_chat(usr, "It is fastened to the floor therefore you can't rotate it!")
return 0
src.set_dir(turn(src.dir, 270))
update_icon()
return
/obj/structure/railing/verb/flip() // This will help push railing to remote places, such as open space turfs
set name = "Flip Railing"
set category = "Object"
set src in oview(1)
if(usr.incapacitated())
return 0
if (!can_touch(usr) || ismouse(usr))
return
if(anchored)
to_chat(usr, "It is fastened to the floor therefore you can't flip it!")
return 0
var/obj/occupied = neighbor_turf_impassable()
if(occupied)
to_chat(usr, "You can't flip \the [src] because there's \a [occupied] in the way.")
return 0
src.loc = get_step(src, src.dir)
set_dir(turn(dir, 180))
update_icon()
return
/obj/structure/railing/CheckExit(atom/movable/O as mob|obj, target as turf)
if(istype(O) && O.checkpass(PASSTABLE))
return 1
if(get_dir(O.loc, target) == dir)
return 0
return 1
/obj/structure/railing/attackby(obj/item/W as obj, mob/user as mob)
// Dismantle
if(W.is_wrench() && !anchored)
playsound(src, W.usesound, 50, 1)
if(do_after(user, 20, src))
user.visible_message("<span class='notice'>\The [user] dismantles \the [src].</span>", "<span class='notice'>You dismantle \the [src].</span>")
new /obj/item/stack/material/steel(get_turf(usr), 2)
qdel(src)
return
// Repair
if(health < maxhealth && istype(W, /obj/item/weldingtool))
var/obj/item/weldingtool/F = W
if(F.welding)
playsound(src, F.usesound, 50, 1)
if(do_after(user, 20, src))
user.visible_message("<span class='notice'>\The [user] repairs some damage to \the [src].</span>", "<span class='notice'>You repair some damage to \the [src].</span>")
health = min(health+(maxhealth/5), maxhealth) // 20% repair per application
return
// Install
if(W.is_screwdriver())
user.visible_message(anchored ? "<span class='notice'>\The [user] begins unscrewing \the [src].</span>" : "<span class='notice'>\The [user] begins fasten \the [src].</span>" )
playsound(src, W.usesound, 75, 1)
if(do_after(user, 10, src))
to_chat(user, (anchored ? "<span class='notice'>You have unfastened \the [src] from the floor.</span>" : "<span class='notice'>You have fastened \the [src] to the floor.</span>"))
anchored = !anchored
update_icon()
return
// Handle harm intent grabbing/tabling.
if(istype(W, /obj/item/grab) && get_dist(src,user)<2)
var/obj/item/grab/G = W
if (istype(G.affecting, /mob/living))
var/mob/living/M = G.affecting
var/obj/occupied = turf_is_crowded()
if(occupied)
to_chat(user, "<span class='danger'>There's \a [occupied] in the way.</span>")
return
if (G.state < 2)
if(user.a_intent == I_HURT)
if (prob(15)) M.Weaken(5)
M.apply_damage(8,def_zone = "head")
take_damage(8)
visible_message("<span class='danger'>[G.assailant] slams [G.affecting]'s face against \the [src]!</span>")
playsound(src, 'sound/effects/grillehit.ogg', 50, 1)
else
to_chat(user, "<span class='danger'>You need a better grip to do that!</span>")
return
else
if (get_turf(G.affecting) == get_turf(src))
G.affecting.forceMove(get_step(src, src.dir))
else
G.affecting.forceMove(get_turf(src))
G.affecting.Weaken(5)
visible_message("<span class='danger'>[G.assailant] throws [G.affecting] over \the [src]!</span>")
qdel(W)
return
else
playsound(src, 'sound/effects/grillehit.ogg', 50, 1)
take_damage(W.force)
user.setClickCooldown(user.get_attack_speed(W))
return ..()
/obj/structure/railing/ex_act(severity)
switch(severity)
if(1.0)
qdel(src)
return
if(2.0)
qdel(src)
return
if(3.0)
qdel(src)
return
else
return
// Duplicated from structures.dm, but its a bit different.
/obj/structure/railing/do_climb(var/mob/living/user)
if(!can_climb(user))
return
usr.visible_message("<span class='warning'>[user] starts climbing onto \the [src]!</span>")
climbers |= user
if(!do_after(user,(issmall(user) ? 20 : 34)))
climbers -= user
return
if(!can_climb(user, post_climb_check=1))
climbers -= user
return
if(get_turf(user) == get_turf(src))
usr.forceMove(get_step(src, src.dir))
else
usr.forceMove(get_turf(src))
usr.visible_message("<span class='warning'>[user] climbed over \the [src]!</span>")
if(!anchored) take_damage(maxhealth) // Fatboy
climbers -= user
/obj/structure/railing/can_climb(var/mob/living/user, post_climb_check=0)
if(!..())
return 0
// Normal can_climb() handles climbing from adjacent turf onto our turf. But railings also allow climbing
// from our turf onto an adjacent! If that is the case we need to do checks for that too...
if(get_turf(user) == get_turf(src))
var/obj/occupied = neighbor_turf_impassable()
if(occupied)
to_chat(user, "<span class='danger'>You can't climb there, there's \a [occupied] in the way.</span>")
return 0
return 1
// TODO - This here might require some investigation
/obj/structure/proc/neighbor_turf_impassable()
var/turf/T = get_step(src, src.dir)
if(!T || !istype(T))
return 0
if(T.density == 1)
return T
for(var/obj/O in T.contents)
if(istype(O,/obj/structure))
var/obj/structure/S = O
if(S.climbable) continue
if(O && O.density && !(O.flags & ON_BORDER && !(turn(O.dir, 180) & dir)))
return O
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