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BatrachophrenoandGitHub 7172d3dbe3 NTNet Extensibility (#22908)
Fixes https://github.com/Aurorastation/Aurora.3/issues/21944

Spiritual successor of
https://github.com/Aurorastation/Aurora.3/pull/22352
Cherrypicked changes from the C3 Crew Management branch, this PR
contains all NTNet extensibility features, including Field Relay
construction, off-site camera usage (contingent on standing up remote
hardware and being out of jamming), etc. This also fixes a handful of
outstanding telecomms and view/mobeye-related bugs adjacent to where I
was working.

changes:
- rscadd: "Adds NTNet extensibility, requires new machinery constructed
on away-site z-levels."
- rscadd: "Breaks NTNet Relay machinery into Quantum Relay ('core' obj
on Horizon) and Field Relay (deployable off-site constructions)."
- qol: "Embedded cameras (basically every video camera EXCEPT those
which are installed on walls) can now be viewed from NTNet-connected
z-level, not just connected ones."
- rscadd: "Adds several public camera monitor consoles to the Horizon
(near where public sensor grid feed consoles already exist)."
- rscadd: "Adds some spare camera console boards to Horizon technical
storage."
- qol: "Adds action button for 'cancel-camera-view' verb while viewing
cameras or looking up/down z-level."
- bugfix: "Fixes Jockey comms (frequency was missing from ANTAG_FREQS)."
- bugfix: "Fixes look-up/look-down actions intermittently failing
without first using cancel-camera-view."
2026-08-02 01:24:45 +00:00

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GLOBAL_VAR_INIT(ntnet_card_uid, 1)
/obj/item/computer_hardware/network_card
name = "basic NTNet network card"
desc = "A basic network card for usage with standard NTNet frequencies."
power_usage = 25
origin_tech = list(TECH_DATA = 2, TECH_ENGINEERING = 1)
critical = FALSE
icon_state = "netcard_basic"
hardware_size = 1
/// Identification ID. Technically MAC address of this device. Can't be changed by user.
var/identification_id
/// Identification string, technically nickname seen in the network. Can be set by user.
var/identification_string = ""
var/long_range = FALSE
/// Hard-wired, therefore always on, ignores NTNet wireless checks.
var/ethernet = FALSE
/// integrated signaler - not present on basic model.
var/obj/item/integrated_signaler/signal/sradio = FALSE
/// second receiver for NTOS signaler software.
var/obj/item/integrated_signaler/signal/secondary_sradio = FALSE
/// transmitter for NTOS signaler software.
var/obj/item/integrated_signaler/signal/transmit_sradio = FALSE
malfunction_probability = 1
/obj/item/computer_hardware/network_card/diagnostics(mob/user)
..()
to_chat(user, SPAN_NOTICE("NIX Unique ID: [identification_id]"))
to_chat(user, SPAN_NOTICE("NIX User Tag: [identification_string]"))
to_chat(user, SPAN_NOTICE("Supported protocols:"))
to_chat(user, SPAN_NOTICE("511.m SFS (Subspace) - Standard Frequency Spread"))
if(sradio)
to_chat(user, SPAN_NOTICE("511.s WFS (Subspace) - Wide Frequency Spread / Signaling"))
if(long_range)
to_chat(user, SPAN_NOTICE("511.n HB (Subspace) - High Bandwidth / Long Range"))
if(ethernet)
to_chat(user, SPAN_NOTICE("OpenEth (Physical Connection) - Physical Network Connection Port"))
/obj/item/computer_hardware/network_card/Initialize()
. = ..()
identification_id = GLOB.ntnet_card_uid
GLOB.ntnet_card_uid++
/obj/item/computer_hardware/network_card/signaler
name = "NTNet signaler network card"
desc = "An upgraded version of the basic network card, capable of transmitting and receiving over NTNet as well as custom frequencies."
power_usage = 75
origin_tech = list(TECH_DATA = 3, TECH_ENGINEERING = 1)
/obj/item/computer_hardware/network_card/signaler/Initialize()
. = ..()
initialize_signaler_radios()
/obj/item/computer_hardware/network_card/advanced
name = "advanced NTNet network card"
desc = "An advanced network card for usage with standard NTNet frequencies. Its transmitter can sustain high-bandwidth links to nearby NTNet relays."
long_range = TRUE
origin_tech = list(TECH_DATA = 4, TECH_ENGINEERING = 2)
power_usage = 150 // Better range but higher power usage.
icon_state = "netcard_advanced"
hardware_size = 2
/obj/item/computer_hardware/network_card/advanced/Initialize()
. = ..()
initialize_signaler_radios()
/obj/item/computer_hardware/network_card/wired
name = "wired NTNet network card"
desc = "An advanced network card for usage with standard NTNet frequencies. This one also supports wired connection."
ethernet = TRUE
origin_tech = list(TECH_DATA = 5, TECH_ENGINEERING = 3)
power_usage = 150 // Better range but higher power usage.
icon_state = "netcard_ethernet"
hardware_size = 3
/obj/item/computer_hardware/network_card/wired/Initialize()
. = ..()
initialize_signaler_radios()
/obj/item/computer_hardware/network_card/proc/initialize_signaler_radios()
if(!sradio)
sradio = new /obj/item/integrated_signaler/signal/network_card(src)
sradio.set_listening(FALSE)
if(!secondary_sradio)
secondary_sradio = new /obj/item/integrated_signaler/signal/network_card(src)
secondary_sradio.set_listening(FALSE)
if(!transmit_sradio)
transmit_sradio = new /obj/item/integrated_signaler/signal/network_card(src)
transmit_sradio.set_listening(FALSE)
/obj/item/computer_hardware/network_card/proc/get_signaler_radio(var/channel = 1)
if(channel == 0)
return transmit_sradio
if(channel == 2)
return secondary_sradio
return sradio
/obj/item/computer_hardware/network_card/proc/receive_signaler_signal(var/obj/item/integrated_signaler/signal/receiver, var/datum/signal/signal)
if(!parent_computer || !parent_computer.enabled || !enabled || !check_functionality())
return FALSE
var/channel
if(receiver == sradio)
channel = 1
else if(receiver == secondary_sradio)
channel = 2
else
return FALSE
if(istype(parent_computer.active_program, /datum/computer_file/program/signaler))
var/datum/computer_file/program/signaler/active_signaler = parent_computer.active_program
active_signaler.receive_signal(channel, signal)
for(var/datum/computer_file/program/signaler/signaler_program in parent_computer.idle_threads)
signaler_program.receive_signal(channel, signal)
return TRUE
/// Returns a string identifier of this network card
/obj/item/computer_hardware/network_card/proc/get_network_tag()
return "[identification_string] (NID [identification_id])"
/// 0 - No signal, 1 - Low signal, 2 - High signal. 3 - Wired Connection
/obj/item/computer_hardware/network_card/proc/get_signal(var/specific_action = 0)
if(!parent_computer) // Hardware is not installed in anything. No signal. How did this even get called?
return 0
if(!enabled)
return 0
if(!check_functionality())
return 0
if(!GLOB.ntnet_global)
return 0
return GLOB.ntnet_global.get_signal_for_endpoint(parent_computer, specific_action, ethernet, long_range)
/obj/item/computer_hardware/network_card/Destroy()
if(sradio)
QDEL_NULL(sradio)
if(secondary_sradio)
QDEL_NULL(secondary_sradio)
if(transmit_sradio)
QDEL_NULL(transmit_sradio)
if(parent_computer?.network_card == src)
parent_computer.network_card = null
parent_computer = null
return ..()