/
gateway.dm
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/
gateway.dm
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/// Station home gateway
GLOBAL_DATUM(the_gateway, /obj/machinery/gateway/centerstation)
/// List of possible gateway destinations.
GLOBAL_LIST_EMPTY(gateway_destinations)
/**
* Corresponds to single entry in gateway control.
*
* Will NOT be added automatically to GLOB.gateway_destinations list.
*/
/datum/gateway_destination
var/name = "Unknown Destination"
var/wait = 0 /// How long after roundstart this destination becomes active
var/enabled = TRUE /// If disabled, the destination won't be availible
var/hidden = FALSE /// Will not show on gateway controls at all.
/* Can a gateway link to this destination right now. */
/datum/gateway_destination/proc/is_availible()
return enabled && (world.time - SSticker.round_start_time >= wait)
/* Returns user-friendly description why you can't connect to this destination, displayed in UI */
/datum/gateway_destination/proc/get_availible_reason()
. = "Unreachable"
if(world.time - SSticker.round_start_time < wait)
. = "Connection desynchronized. Recalibration in progress."
/* Check if the movable is allowed to arrive at this destination (exile implants mostly) */
/datum/gateway_destination/proc/incoming_pass_check(atom/movable/AM)
return TRUE
/* Get the actual turf we'll arrive at */
/datum/gateway_destination/proc/get_target_turf()
CRASH("get target turf not implemented for this destination type")
/* Called after moving the movable to target turf */
/datum/gateway_destination/proc/post_transfer(atom/movable/AM)
if (ismob(AM))
var/mob/M = AM
if (M.client)
M.client.move_delay = max(world.time + 5, M.client.move_delay)
/* Called when gateway activates with this destination. */
/datum/gateway_destination/proc/activate(obj/machinery/gateway/activated)
return
/* Called when gateway targeting this destination deactivates. */
/datum/gateway_destination/proc/deactivate(obj/machinery/gateway/deactivated)
return
/* Returns data used by gateway controller ui */
/datum/gateway_destination/proc/get_ui_data()
. = list()
.["ref"] = REF(src)
.["name"] = name
.["availible"] = is_availible()
.["reason"] = get_availible_reason()
if(wait)
.["timeout"] = max(1 - (wait - (world.time - SSticker.round_start_time)) / wait, 0)
/* Destination is another gateway */
/datum/gateway_destination/gateway
/// The gateway this destination points at
var/obj/machinery/gateway/target_gateway
/* We set the target gateway target to activator gateway */
/datum/gateway_destination/gateway/activate(obj/machinery/gateway/activated)
if(!target_gateway.target)
target_gateway.activate(activated)
/* We turn off the target gateway if it's linked with us */
/datum/gateway_destination/gateway/deactivate(obj/machinery/gateway/deactivated)
if(target_gateway.target == deactivated.destination)
target_gateway.deactivate()
/datum/gateway_destination/gateway/is_availible()
return ..() && target_gateway.calibrated && !target_gateway.target && target_gateway.powered()
/datum/gateway_destination/gateway/get_availible_reason()
. = ..()
if(!target_gateway.calibrated)
. = "Exit gateway malfunction. Manual recalibration required."
if(target_gateway.target)
. = "Exit gateway in use."
if(!target_gateway.powered())
. = "Exit gateway unpowered."
/datum/gateway_destination/gateway/get_target_turf()
return get_step(target_gateway.portal,SOUTH)
/datum/gateway_destination/gateway/post_transfer(atom/movable/AM)
. = ..()
addtimer(CALLBACK(AM,/atom/movable.proc/setDir,SOUTH),0)
/* Special home destination, so we can check exile implants */
/datum/gateway_destination/gateway/home
/datum/gateway_destination/gateway/home/incoming_pass_check(atom/movable/AM)
if(isliving(AM))
if(check_exile_implant(AM))
return FALSE
else
for(var/mob/living/L in AM.contents)
if(check_exile_implant(L))
target_gateway.say("Rejecting [AM]: Exile implant detected in contained lifeform.")
return FALSE
if(AM.has_buckled_mobs())
for(var/mob/living/L in AM.buckled_mobs)
if(check_exile_implant(L))
target_gateway.say("Rejecting [AM]: Exile implant detected in close proximity lifeform.")
return FALSE
return TRUE
/datum/gateway_destination/gateway/home/proc/check_exile_implant(mob/living/L)
for(var/obj/item/implant/exile/E in L.implants)//Checking that there is an exile implant
to_chat(L, "<span class='userdanger'>The station gate has detected your exile implant and is blocking your entry.</span>")
return TRUE
return FALSE
/* Destination is one ore more turfs - created by landmarks */
/datum/gateway_destination/point
var/list/target_turfs = list()
/// Used by away landmarks
var/id
/datum/gateway_destination/point/get_target_turf()
return pick(target_turfs)
/* Dense invisible object starting the teleportation. Created by gateways on activation. */
/obj/effect/gateway_portal_bumper
var/obj/machinery/gateway/gateway
density = TRUE
invisibility = INVISIBILITY_ABSTRACT
/obj/effect/gateway_portal_bumper/Bumped(atom/movable/AM)
if(get_dir(src,AM) == SOUTH)
gateway.Transfer(AM)
/obj/effect/gateway_portal_bumper/Destroy(force)
. = ..()
gateway = null
/obj/machinery/gateway
name = "gateway"
desc = "A mysterious gateway built by unknown hands, it allows for faster than light travel to far-flung locations."
icon = 'icons/obj/machines/gateway.dmi'
icon_state = "portal_frame"
resistance_flags = INDESTRUCTIBLE | LAVA_PROOF | FIRE_PROOF | UNACIDABLE | ACID_PROOF
// 3x2 offset by one row
pixel_x = -32
pixel_y = -32
bound_height = 64
bound_width = 96
bound_x = -32
bound_y = 0
density = TRUE
use_power = IDLE_POWER_USE
idle_power_usage = 100
active_power_usage = 5000
var/calibrated = TRUE
/// Type of instanced gateway destination, needs to be subtype of /datum/gateway_destination/gateway
var/destination_type = /datum/gateway_destination/gateway
/// Name of the generated destination
var/destination_name = "Unknown Gateway"
/// This is our own destination, pointing at this gateway
var/datum/gateway_destination/gateway/destination
/// This is current active destination
var/datum/gateway_destination/target
/// bumper object, the thing that starts actual teleport
var/obj/effect/gateway_portal_bumper/portal
/// Visual object for handling the viscontents
var/obj/effect/gateway_portal_effect/portal_visuals
/obj/machinery/gateway/Initialize()
generate_destination()
update_icon()
portal_visuals = new
vis_contents += portal_visuals
return ..()
/obj/machinery/gateway/proc/generate_destination()
destination = new destination_type
destination.name = destination_name
destination.target_gateway = src
GLOB.gateway_destinations += destination
/obj/machinery/gateway/proc/deactivate()
var/datum/gateway_destination/dest = target
target = null
dest.deactivate(src)
QDEL_NULL(portal)
use_power = IDLE_POWER_USE
update_icon()
portal_visuals.reset_visuals()
/obj/machinery/gateway/process()
if((machine_stat & (NOPOWER)) && use_power)
if(target)
deactivate()
return
/obj/machinery/gateway/safe_throw_at(atom/target, range, speed, mob/thrower, spin = TRUE, diagonals_first = FALSE, datum/callback/callback, force = MOVE_FORCE_STRONG, gentle = FALSE)
return
/obj/machinery/gateway/proc/generate_bumper()
portal = new(get_turf(src))
portal.gateway = src
/obj/machinery/gateway/proc/activate(datum/gateway_destination/D)
if(!powered() || target)
return
target = D
target.activate(destination)
portal_visuals.setup_visuals(target)
generate_bumper()
use_power = ACTIVE_POWER_USE
update_icon()
/obj/machinery/gateway/proc/Transfer(atom/movable/AM)
if(!target || !target.incoming_pass_check(AM))
return
AM.forceMove(target.get_target_turf())
target.post_transfer(AM)
/* Station's primary gateway */
/obj/machinery/gateway/centerstation
destination_type = /datum/gateway_destination/gateway/home
destination_name = "Home Gateway"
/obj/machinery/gateway/centerstation/Initialize()
. = ..()
if(!GLOB.the_gateway)
GLOB.the_gateway = src
/obj/machinery/gateway/centerstation/Destroy()
if(GLOB.the_gateway == src)
GLOB.the_gateway = null
return ..()
/obj/machinery/gateway/multitool_act(mob/living/user, obj/item/I)
if(calibrated)
to_chat(user, "<span class='alert'>The gate is already calibrated, there is no work for you to do here.</span>")
else
to_chat(user, "<span class='boldnotice'>Recalibration successful!</span>: \black This gate's systems have been fine tuned. Travel to this gate will now be on target.")
calibrated = TRUE
return TRUE
/* Doesn't need control console or power, always links to home when interacting. */
/obj/machinery/gateway/away
density = TRUE
use_power = NO_POWER_USE
/obj/machinery/gateway/away/interact(mob/user, special_state)
. = ..()
if(!target)
if(!GLOB.the_gateway)
to_chat(user,"<span class='warning'>Home gateway is not responding!</span>")
if(GLOB.the_gateway.target)
to_chat(user,"<span class='warning'>Home gateway already in use!</span>")
return
activate(GLOB.the_gateway.destination)
else
deactivate()
/* Gateway control computer */
/obj/machinery/computer/gateway_control
name = "Gateway Control"
desc = "Human friendly interface to the mysterious gate next to it."
var/obj/machinery/gateway/G
/obj/machinery/computer/gateway_control/Initialize(mapload, obj/item/circuitboard/C)
. = ..()
try_to_linkup()
/obj/machinery/computer/gateway_control/ui_interact(mob/user, datum/tgui/ui)
ui = SStgui.try_update_ui(user, src, ui)
if(!ui)
ui = new(user, src, "Gateway", name)
ui.open()
/obj/machinery/computer/gateway_control/ui_data(mob/user)
. = ..()
.["gateway_present"] = G
.["gateway_status"] = G ? G.powered() : FALSE
.["current_target"] = G?.target?.get_ui_data()
var/list/destinations = list()
if(G)
for(var/datum/gateway_destination/D in GLOB.gateway_destinations)
if(D == G.destination)
continue
destinations += list(D.get_ui_data())
.["destinations"] = destinations
/obj/machinery/computer/gateway_control/ui_act(action, list/params)
. = ..()
if(.)
return
switch(action)
if("linkup")
try_to_linkup()
return TRUE
if("activate")
var/datum/gateway_destination/D = locate(params["destination"]) in GLOB.gateway_destinations
try_to_connect(D)
return TRUE
if("deactivate")
if(G && G.target)
G.deactivate()
return TRUE
/obj/machinery/computer/gateway_control/proc/try_to_linkup()
G = locate(/obj/machinery/gateway) in view(7,get_turf(src))
/obj/machinery/computer/gateway_control/proc/try_to_connect(datum/gateway_destination/D)
if(!D || !G)
return
if(!D.is_availible() || G.target)
return
G.activate(D)
/obj/item/paper/fluff/gateway
info = "Congratulations,<br><br>Your station has been selected to carry out the Gateway Project.<br><br>The equipment will be shipped to you at the start of the next quarter.<br> You are to prepare a secure location to house the equipment as outlined in the attached documents.<br><br>--Nanotrasen Bluespace Research"
name = "Confidential Correspondence, Pg 1"
/obj/effect/gateway_portal_effect
appearance_flags = KEEP_TOGETHER|TILE_BOUND|PIXEL_SCALE
mouse_opacity = MOUSE_OPACITY_TRANSPARENT
vis_flags = VIS_INHERIT_ID
layer = GATEWAY_UNDERLAY_LAYER //Slightly lower than gateway itself
var/alpha_icon = 'icons/obj/machines/gateway.dmi'
var/alpha_icon_state = "portal_mask"
var/datum/gateway_destination/our_destination
/obj/effect/gateway_portal_effect/proc/setup_visuals(datum/gateway_destination/D)
our_destination = D
update_portal_filters()
/obj/effect/gateway_portal_effect/proc/reset_visuals()
our_destination = null
update_portal_filters()
/obj/effect/gateway_portal_effect/proc/update_portal_filters()
clear_filters()
vis_contents = null
if(!our_destination)
return
add_filter("portal_alpha", 1, list("type" = "alpha", "icon" = icon(alpha_icon, alpha_icon_state), "x" = 32, "y" = 32))
add_filter("portal_blur", 1, list("type" = "blur", "size" = 0.5))
add_filter("portal_ripple", 1, list("type" = "ripple", "size" = 2, "radius" = 1, "falloff" = 1, "y" = 7))
animate(get_filter("portal_ripple"), time = 1.3 SECONDS, loop = -1, easing = LINEAR_EASING, radius = 32)
var/turf/center_turf = our_destination.get_target_turf()
vis_contents += block(locate(center_turf.x - 1, center_turf.y - 1, center_turf.z), locate(center_turf.x + 1, center_turf.y + 1, center_turf.z))