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CHOMPStation2/code/ATMOSPHERICS/components/shutoff.dm
CHOMPStation2StaffMirrorBot f7de0bb70b [MIRROR] Start of TG Click Code Port (#12071)
Co-authored-by: Cameron Lennox <killer65311@gmail.com>
2025-12-06 03:18:32 -05:00

135 lines
4.6 KiB
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GLOBAL_LIST_EMPTY(shutoff_valves)
/obj/machinery/atmospherics/valve/shutoff
icon = 'icons/atmos/clamp.dmi'
icon_state = "map_vclamp0"
pipe_state = "vclamp"
name = "automatic shutoff valve"
desc = "An automatic valve with control circuitry and pipe integrity sensor, capable of automatically isolating damaged segments of the pipe network."
description_info = "Clicking this will toggle the automatic control. Alt-clicking this when the automatic control is disabled will manually open or close the valve."
var/close_on_leaks = TRUE // If false it will be always open
level = 1
/obj/machinery/atmospherics/valve/shutoff/update_icon()
icon_state = "vclamp[open]"
/obj/machinery/atmospherics/valve/shutoff/examine(var/mob/user)
. = ..()
. += "The automatic shutoff circuit is [close_on_leaks ? "enabled" : "disabled"]."
/obj/machinery/atmospherics/valve/shutoff/Initialize(mapload)
. = ..()
open()
GLOB.shutoff_valves += src
hide(1)
/obj/machinery/atmospherics/valve/shutoff/Destroy()
GLOB.shutoff_valves -= src
. = ..()
/obj/machinery/atmospherics/valve/shutoff/attack_ai(mob/user as mob)
return src.attack_hand(user)
/obj/machinery/atmospherics/valve/shutoff/attack_hand(var/mob/user)
src.add_fingerprint(user)
update_icon(1)
close_on_leaks = !close_on_leaks
to_chat(user, "You [close_on_leaks ? "enable" : "disable"] the automatic shutoff circuit.")
return TRUE
// Alt+Click now toggles the open/close function, when the autoseal is disabled
/obj/machinery/atmospherics/valve/shutoff/click_alt(var/mob/user)
if(isliving(user))
if(close_on_leaks)
to_chat(user, "You try to manually [open ? "close" : "open"] the valve, but it [open ? "opens" : "closes"] automatically again.")
return
open ? close() : open()
to_chat(user, "You manually [open ? "open" : "close"] the valve.")
/obj/machinery/atmospherics/valve/shutoff/process()
..()
if(!network_node1 || !network_node2 || !node1 || !node2)
if(open && close_on_leaks)
close()
return
if(close_on_leaks)
if(open && (network_node1.leaks.len || network_node2.leaks.len))
find_leaks() // If we can see the leak, then this will find it, close the valve, and cut off that network
// If we cannot see the leak, then this will not close the valve, and any valves that can see the leak will cut it off from us
else if(!open && !network_node1.leaks.len && !network_node2.leaks.len)
open()
return
// Breadth-first search for any leaking pipes that we can directly see
/obj/machinery/atmospherics/valve/shutoff/proc/find_leaks()
var/list/obj/machinery/atmospherics/search = list()
// We're the leak!
if(!node1 || !node2)
close()
return
// Only searching pipes
if(istype(node1, /obj/machinery/atmospherics))
search |= node1
if(istype(node2, /obj/machinery/atmospherics))
search |= node2
// Breadth-first search
for(var/i = 1, i <= search.len, i++) // wooo, proper for loop syntax!
var/obj/machinery/atmospherics/A = search[i]
if(!A)
continue
if(istype(A, /obj/machinery/atmospherics/pipe))
var/obj/machinery/atmospherics/pipe/L = A
if(L.leaking)
close() // Found the leak!
return
if(istype(A, /obj/machinery/atmospherics/valve/shutoff))
var/obj/machinery/atmospherics/valve/shutoff/S = A
if(S.close_on_leaks || !S.open)
continue // Either it will close, or it is closed. We don't care what's on the other side
search |= list(S.node1, S.node2) // |= skips existing nodes, so we don't search loops infinitely
else if(istype(A, /obj/machinery/atmospherics/valve)) // Putting the shutoff before this means this won't catch shutoffs
var/obj/machinery/atmospherics/valve/V = A
if(V.open)
search |= list(V.node1, V.node2)
else
continue // Closed valve, dead end
else if(istype(A, /obj/machinery/atmospherics/tvalve))
var/obj/machinery/atmospherics/tvalve/T = A
if(T.state)
search |= list(T.node1, T.node2)
else
search |= list(T.node1, T.node3)
else if(istype(A, /obj/machinery/atmospherics/pipe/zpipe))
var/obj/machinery/atmospherics/pipe/zpipe/P = A
search |= list(P.node1, P.node2)
else if(istype(A, /obj/machinery/atmospherics/pipe/simple))
var/obj/machinery/atmospherics/pipe/P = A
search |= list(P.node1, P.node2)
else if(istype(A, /obj/machinery/atmospherics/pipe/manifold))
var/obj/machinery/atmospherics/pipe/manifold/M = A
search |= list(M.node1, M.node2, M.node3)
else if(istype(A, /obj/machinery/atmospherics/pipe/manifold4w))
var/obj/machinery/atmospherics/pipe/manifold4w/M = A
search |= list(M.node1, M.node2, M.node3, M.node4)
// else continue, dead end
// We broke out of the loop, so we see no leaks
// The leaks therefore must be on the other side of another shutoff valve
return