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Bubberstation/code/game/machinery/launch_pad.dm
T
BloopandGitHub 7754938c72 Makes a bunch of lists lazy (#94239) 
## About The Pull Request

Empy lists. There are a lot of 'em.

<img width="981" height="512" alt="image"
src="https://github.com/user-attachments/assets/b94b041a-2904-466b-ab89-54bd1de11b4e"
/>

Going through ways to reduce memory I found a few easy ones here. Wires,
the edible component, the seethrough component. None of these are really
a concern when it comes to needing lists in memory for performance
reasons. Wires aren't going to be cut most of the time for each door. A
lot of food does not have any junkiness. Seethrough component lies
dormant most of the round. Etc.

Making lists lazy in these cases should be a no brainer.

Everything I tested still seems to work exactly the same.

## Why It's Good For The Game

Frees memory that is just taking up space a lot of the time.

## Changelog

Not player-facing, this is all under-the-hood stuff.
2025-12-03 13:42:16 -07:00

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#define BEAM_FADE_TIME (1 SECONDS)
/obj/machinery/launchpad
name = "bluespace launchpad"
desc = "A bluespace pad able to thrust matter through bluespace, teleporting it to or from nearby locations."
icon = 'icons/obj/machines/telepad.dmi'
icon_state = "lpad-idle"
active_power_usage = BASE_MACHINE_ACTIVE_CONSUMPTION * 2.5
hud_possible = list(DIAG_LAUNCHPAD_HUD)
interaction_flags_mouse_drop = NEED_DEXTERITY | NEED_HANDS
circuit = /obj/item/circuitboard/machine/launchpad
/// The beam icon
var/icon_teleport = "lpad-beam"
/// To prevent briefcase pad deconstruction and such
var/stationary = TRUE
/// What to name the launchpad in the console
var/display_name = "Launchpad"
/// The speed of the teleportation
var/teleport_speed = 35
/// Max range of the launchpad
var/range = 10
/// If it's in the process of teleporting
var/teleporting = FALSE
/// The power efficiency of the launchpad
var/power_efficiency = 1
/// Current x target
var/x_offset = 0
/// Current y target
var/y_offset = 0
/// The icon to use for the indicator
var/indicator_icon = "launchpad_target"
/// Determines if the bluespace launchpad is blatantly obvious on teleportation.
var/hidden = FALSE
/// The beam on teleportation
var/teleport_beam = "sm_arc_supercharged"
/obj/machinery/launchpad/Initialize(mapload)
. = ..()
prepare_huds()
var/datum/atom_hud/data/diagnostic/diag_hud = GLOB.huds[DATA_HUD_DIAGNOSTIC]
diag_hud.add_atom_to_hud(src)
update_hud()
/obj/machinery/launchpad/RefreshParts()
. = ..()
var/max_range_multiplier = 0
for(var/datum/stock_part/servo/servo in component_parts)
max_range_multiplier += servo.tier
range = initial(range)
range *= max_range_multiplier
/obj/machinery/launchpad/on_changed_z_level(turf/old_turf, turf/new_turf, same_z_layer, notify_contents)
if(same_z_layer && !QDELETED(src))
update_hud()
return ..()
/obj/machinery/launchpad/Destroy()
var/datum/atom_hud/data/diagnostic/diag_hud = GLOB.huds[DATA_HUD_DIAGNOSTIC]
diag_hud.remove_atom_from_hud(src)
return ..()
/obj/machinery/launchpad/examine(mob/user)
. = ..()
if(in_range(user, src) || isobserver(user))
. += span_notice("The status display reads: Maximum range: <b>[range]</b> units.")
/obj/machinery/launchpad/multitool_act(mob/living/user, obj/item/multitool/multi)
. = NONE
if(!panel_open)
return
multi.set_buffer(src)
balloon_alert(user, "saved to buffer")
return ITEM_INTERACT_SUCCESS
/obj/machinery/launchpad/attackby(obj/item/weapon, mob/user, list/modifiers, list/attack_modifiers)
if(!stationary)
return ..()
if(default_deconstruction_screwdriver(user, "lpad-idle-open", "lpad-idle", weapon))
update_indicator()
return
if(default_deconstruction_crowbar(weapon))
return
/obj/machinery/launchpad/attack_ghost(mob/dead/observer/ghost)
. = ..()
if(.)
return
var/target_x = x + x_offset
var/target_y = y + y_offset
var/turf/target = locate(target_x, target_y, z)
ghost.forceMove(target)
/// Updates diagnostic huds
/obj/machinery/launchpad/proc/update_hud()
var/image/holder = hud_list[DIAG_LAUNCHPAD_HUD]
var/mutable_appearance/target = mutable_appearance('icons/effects/effects.dmi', "launchpad_target", ABOVE_NORMAL_TURF_LAYER, src, GAME_PLANE)
holder.appearance = target
update_indicator()
if(stationary)
AddComponent(/datum/component/usb_port, typecacheof(list(/obj/item/circuit_component/bluespace_launchpad), only_root_path = TRUE))
/// Whether this launchpad can send or receive.
/obj/machinery/launchpad/proc/is_available()
if(QDELETED(src) || !is_operational || panel_open)
return FALSE
return TRUE
/// Updates the indicator icon.
/obj/machinery/launchpad/proc/update_indicator()
var/image/holder = hud_list[DIAG_LAUNCHPAD_HUD]
var/turf/target_turf
if(is_available())
target_turf = locate(x + x_offset, y + y_offset, z)
if(target_turf)
holder.icon_state = indicator_icon
holder.loc = target_turf
else
holder.icon_state = null
/// Sets the offset of the launchpad.
/obj/machinery/launchpad/proc/set_offset(x, y)
if(teleporting)
return
if(!isnull(x) && !isnull(y))
x_offset = clamp(x, -range, range)
y_offset = clamp(y, -range, range)
log_message("changed the launchpad's x and y-offset parameters to X: [x] Y: [y].", LOG_GAME, log_globally = FALSE)
else if(!isnull(x))
x_offset = clamp(x, -range, range)
log_message("changed the launchpad's x-offset parameter to X: [x].", LOG_GAME, log_globally = FALSE)
else if(!isnull(y))
y_offset = clamp(y, -range, range)
log_message("changed the launchpad's y-offset parameter to Y: [y].", LOG_GAME, log_globally = FALSE)
update_indicator()
/obj/effect/ebeam/launchpad/Initialize(mapload)
. = ..()
animate(src, alpha = 0, flags = ANIMATION_PARALLEL, time = BEAM_FADE_TIME)
/// Checks if the launchpad can teleport.
/obj/machinery/launchpad/proc/teleport_checks()
if(!is_available())
return "ERROR: Launchpad not operative. Make sure the launchpad is ready and powered."
if(teleporting)
return "ERROR: Launchpad busy."
var/area/surrounding = get_area(src)
if(is_centcom_level(z) || istype(surrounding, /area/shuttle/supply) ||istype(surrounding, /area/shuttle/transport))
return "ERROR: Launchpad not operative. Heavy area shielding makes teleporting impossible."
return null
/// Performs the teleport.
/// sending - TRUE/FALSE depending on if the launch pad is teleporting *to* or *from* the target.
/// alternate_log_name - An alternative name to use in logs, if `user` is not present..
/obj/machinery/launchpad/proc/doteleport(mob/user, sending, alternate_log_name = null)
var/turf/dest = get_turf(src)
var/target_x = x + x_offset
var/target_y = y + y_offset
var/turf/target = locate(target_x, target_y, z)
var/area/A = get_area(target)
flick(icon_teleport, src)
//Change the indicator's icon to show that we're teleporting
if(sending)
indicator_icon = "launchpad_launch"
else
indicator_icon = "launchpad_pull"
update_indicator()
playsound(get_turf(src), 'sound/items/weapons/flash.ogg', 25, TRUE)
teleporting = TRUE
if(!hidden)
playsound(target, 'sound/items/weapons/flash.ogg', 25, TRUE)
var/datum/effect_system/spark_spread/quantum/spark_system = new /datum/effect_system/spark_spread/quantum()
spark_system.set_up(5, TRUE, target)
spark_system.start()
sleep(teleport_speed)
//Set the indicator icon back to normal
indicator_icon = "launchpad_target"
update_indicator()
if(!is_available())
return
teleporting = FALSE
if(!hidden)
// Takes twice as long to make sure it properly fades out.
Beam(target, icon_state = teleport_beam, time = BEAM_FADE_TIME*2, beam_type = /obj/effect/ebeam/launchpad)
playsound(target, 'sound/items/weapons/emitter2.ogg', 25, TRUE)
// use a lot of power
use_energy(active_power_usage)
var/turf/source = target
var/list/log_msg = list()
log_msg += "[alternate_log_name || key_name(user)] triggered a teleport "
if(sending)
source = dest
dest = target
playsound(get_turf(src), 'sound/items/weapons/emitter2.ogg', 25, TRUE)
var/first = TRUE
for(var/atom/movable/ROI in source)
if(ROI == src)
continue
if(!istype(ROI) || isdead(ROI) || iseyemob(ROI) || istype(ROI, /obj/effect/dummy/phased_mob))
continue//don't teleport these
var/on_chair = ""
if(ROI.anchored)// if it's anchored, don't teleport
if(isliving(ROI))
var/mob/living/L = ROI
if(L.buckled)
// TP people on office chairs
if(L.buckled.anchored)
continue
on_chair = " (on a chair)"
else
continue
else
continue
if(!first)
log_msg += ", "
if(ismob(ROI))
var/mob/T = ROI
log_msg += "[key_name(T)][on_chair]"
else
log_msg += "[ROI.name]"
if (istype(ROI, /obj/structure/closet))
log_msg += " ("
var/first_inner = TRUE
for(var/atom/movable/Q as mob|obj in ROI)
if(!first_inner)
log_msg += ", "
first_inner = FALSE
if(ismob(Q))
log_msg += "[key_name(Q)]"
else
log_msg += "[Q.name]"
if(first_inner)
log_msg += "empty"
log_msg += ")"
do_teleport(ROI, dest, no_effects = !first, channel = TELEPORT_CHANNEL_BLUESPACE)
first = FALSE
if (first)
log_msg += "nothing"
log_msg += " [sending ? "to" : "from"] [target_x], [target_y], [z] ([A ? A.name : "null area"])"
log_game(log_msg.Join())
//Starts in the briefcase. Don't spawn this directly, or it will runtime when closing.
/obj/machinery/launchpad/briefcase
name = "briefcase launchpad"
desc = "A portable bluespace pad able to thrust matter through bluespace, teleporting it to or from nearby locations. Controlled via remote."
icon_state = "blpad-idle"
icon_teleport = "blpad-beam"
anchored = FALSE
use_power = NO_POWER_USE
active_power_usage = 0
teleport_speed = 20
range = 8
stationary = FALSE
hidden = TRUE
var/closed = TRUE
var/obj/item/storage/briefcase/launchpad/briefcase
/obj/machinery/launchpad/briefcase/Initialize(mapload, _briefcase)
. = ..()
if(!_briefcase)
stack_trace("[src] spawned without a briefcase.")
return INITIALIZE_HINT_QDEL
briefcase = _briefcase
/obj/machinery/launchpad/briefcase/Destroy()
if(!QDELETED(briefcase))
qdel(briefcase)
briefcase = null
return ..()
/obj/machinery/launchpad/briefcase/is_available()
if(closed)
return FALSE
if(panel_open)
return FALSE
return TRUE
/obj/machinery/launchpad/briefcase/mouse_drop_dragged(atom/over_object, mob/user, src_location, over_location, params)
if(over_object == user)
if(!briefcase)
return
user.visible_message(span_notice("[usr] starts closing [src]..."), span_notice("You start closing [src]..."))
if(do_after(user, 3 SECONDS, target = user))
user.put_in_hands(briefcase)
moveToNullspace() //hides it from suitcase contents
closed = TRUE
update_indicator()
/obj/machinery/launchpad/briefcase/attackby(obj/item/item, mob/user, list/modifiers, list/attack_modifiers)
if(istype(item, /obj/item/launchpad_remote))
var/obj/item/launchpad_remote/launch = item
if(IS_WEAKREF_OF(src, launch.pad)) //do not attempt to link when already linked
return ..()
launch.pad = WEAKREF(src)
to_chat(user, span_notice("You link [src] to [launch]."))
else
return ..()
/obj/item/launchpad_remote
name = "folder"
desc = "A folder."
icon = 'icons/obj/service/bureaucracy.dmi'
icon_state = "folder"
w_class = WEIGHT_CLASS_SMALL
var/sending = TRUE
//A weakref to our linked pad
var/datum/weakref/pad
/obj/item/launchpad_remote/Initialize(mapload, pad) //remote spawns linked to the briefcase pad
. = ..()
src.pad = WEAKREF(pad)
/obj/item/launchpad_remote/attack_self(mob/user)
. = ..()
ui_interact(user)
to_chat(user, span_notice("[src] projects a display onto your retina."))
/obj/item/launchpad_remote/ui_state(mob/user)
return GLOB.inventory_state
/obj/item/launchpad_remote/ui_interact(mob/user, datum/tgui/ui)
ui = SStgui.try_update_ui(user, src, ui)
if(!ui)
ui = new(user, src, "LaunchpadRemote")
ui.open()
ui.set_autoupdate(TRUE)
/obj/item/launchpad_remote/ui_data(mob/user)
var/list/data = list()
var/obj/machinery/launchpad/briefcase/our_pad = pad?.resolve()
data["has_pad"] = our_pad ? TRUE : FALSE
if(our_pad)
data["pad_closed"] = our_pad.closed
if(!our_pad || our_pad.closed)
return data
data["pad_name"] = our_pad.display_name
data["range"] = our_pad.range
data["x"] = our_pad.x_offset
data["y"] = our_pad.y_offset
return data
/obj/item/launchpad_remote/proc/teleport(mob/user, obj/machinery/launchpad/pad)
if(QDELETED(pad))
to_chat(user, span_warning("ERROR: Launchpad not responding. Check launchpad integrity."))
return
var/error_reason = pad.teleport_checks()
if(error_reason)
to_chat(user, span_warning(error_reason))
return
pad.doteleport(user, sending)
/obj/item/launchpad_remote/ui_act(action, list/params, datum/tgui/ui, datum/ui_state/state)
. = ..()
if(.)
return
var/obj/machinery/launchpad/briefcase/our_pad = pad?.resolve()
if(!our_pad)
pad = null
return TRUE
var/mob/user = ui.user
switch(action)
if("set_pos")
var/new_x = text2num(params["x"])
var/new_y = text2num(params["y"])
// sanitizes our ranges for us
our_pad.set_offset(new_x, new_y)
. = TRUE
if("move_pos")
var/plus_x = text2num(params["x"])
var/plus_y = text2num(params["y"])
// sanitizes our ranges for us
our_pad.set_offset(
x = our_pad.x_offset + plus_x,
y = our_pad.y_offset + plus_y
)
. = TRUE
if("rename")
. = TRUE
var/new_name = reject_bad_name(params["name"], allow_numbers = TRUE, max_length = MAX_NAME_LEN, cap_after_symbols = FALSE)
if(!new_name)
return
our_pad.display_name = new_name
if("remove")
. = TRUE
if(tgui_alert(user, "Are you sure?", "Unlink Launchpad", list("I'm Sure", "Abort")) == "I'm Sure")
pad = null
if("launch")
sending = TRUE
teleport(user, our_pad)
. = TRUE
if("pull")
sending = FALSE
teleport(user, our_pad)
. = TRUE
#undef BEAM_FADE_TIME
/obj/item/circuit_component/bluespace_launchpad
display_name = "Bluespace Launchpad"
desc = "Teleports anything to and from any location on the station. Doesn't use actual GPS coordinates, but rather offsets from the launchpad itself. Can only go as far as the launchpad can go, which depends on its parts."
var/datum/port/input/x_pos
var/datum/port/input/y_pos
var/datum/port/input/send_trigger
var/datum/port/input/retrieve_trigger
var/datum/port/output/sent
var/datum/port/output/retrieved
var/datum/port/output/on_fail
var/datum/port/output/why_fail
var/obj/machinery/launchpad/attached_launchpad
/obj/item/circuit_component/bluespace_launchpad/get_ui_notices()
. = ..()
if(isnull(attached_launchpad))
return
. += create_ui_notice("Minimum Range: [-attached_launchpad.range]", "orange", "minus")
. += create_ui_notice("Maximum Range: [attached_launchpad.range]", "orange", "plus")
/obj/item/circuit_component/bluespace_launchpad/populate_ports()
x_pos = add_input_port("X offset", PORT_TYPE_NUMBER)
y_pos = add_input_port("Y offset", PORT_TYPE_NUMBER)
send_trigger = add_input_port("Send", PORT_TYPE_SIGNAL)
retrieve_trigger = add_input_port("Retrieve", PORT_TYPE_SIGNAL)
sent = add_output_port("Sent", PORT_TYPE_SIGNAL)
retrieved = add_output_port("Retrieved", PORT_TYPE_SIGNAL)
why_fail = add_output_port("Fail reason", PORT_TYPE_STRING)
on_fail = add_output_port("Failed", PORT_TYPE_SIGNAL)
/obj/item/circuit_component/bluespace_launchpad/register_usb_parent(atom/movable/shell)
. = ..()
if(istype(shell, /obj/machinery/launchpad))
attached_launchpad = shell
/obj/item/circuit_component/bluespace_launchpad/unregister_usb_parent(atom/movable/shell)
attached_launchpad = null
return ..()
/obj/item/circuit_component/bluespace_launchpad/input_received(datum/port/input/port)
if(!attached_launchpad)
why_fail.set_output("Not connected!")
on_fail.set_output(COMPONENT_SIGNAL)
return
if(abs(x_pos.value) > attached_launchpad.range || abs(y_pos.value) > attached_launchpad.range)
why_fail.set_output("Out of range!")
on_fail.set_output(COMPONENT_SIGNAL)
return
attached_launchpad.set_offset(x_pos.value, y_pos.value)
if(COMPONENT_TRIGGERED_BY(port, x_pos))
x_pos.set_value(attached_launchpad.x_offset)
return
if(COMPONENT_TRIGGERED_BY(port, y_pos))
y_pos.set_value(attached_launchpad.y_offset)
return
var/checks = attached_launchpad.teleport_checks()
if(!isnull(checks))
why_fail.set_output(checks)
on_fail.set_output(COMPONENT_SIGNAL)
return
if(COMPONENT_TRIGGERED_BY(send_trigger, port))
INVOKE_ASYNC(attached_launchpad, TYPE_PROC_REF(/obj/machinery/launchpad, doteleport), null, TRUE, parent.get_creator())
sent.set_output(COMPONENT_SIGNAL)
if(COMPONENT_TRIGGERED_BY(retrieve_trigger, port))
INVOKE_ASYNC(attached_launchpad, TYPE_PROC_REF(/obj/machinery/launchpad, doteleport), null, FALSE, parent.get_creator())
retrieved.set_output(COMPONENT_SIGNAL)
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