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https://github.com/yogstation13/Yogstation.git
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130 lines
4.5 KiB
Plaintext
130 lines
4.5 KiB
Plaintext
// Relays don't handle any actual communication. Global NTNet datum does that, relays only tell the datum if it should or shouldn't work.
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/obj/machinery/ntnet_relay
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name = "NTNet Quantum Relay"
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desc = "A very complex router and transmitter capable of connecting electronic devices together. Looks fragile."
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use_power = 2
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active_power_usage = 20000 //20kW, apropriate for machine that keeps massive cross-Zlevel wireless network operational.
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idle_power_usage = 100
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icon_state = "bus"
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anchored = 1
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density = 1
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var/datum/ntnet/NTNet = null // This is mostly for backwards reference and to allow varedit modifications from ingame.
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var/enabled = 1 // Set to 0 if the relay was turned off
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var/dos_failure = 0 // Set to 1 if the relay failed due to (D)DoS attack
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var/list/dos_sources = list() // Backwards reference for qdel() stuff
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// Denial of Service attack variables
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var/dos_overload = 0 // Amount of DoS "packets" in this relay's buffer
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var/dos_capacity = 500 // Amount of DoS "packets" in buffer required to crash the relay
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var/dos_dissipate = 1 // Amount of DoS "packets" dissipated over time.
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// TODO: Implement more logic here. For now it's only a placeholder.
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/obj/machinery/ntnet_relay/proc/is_operational()
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if(stat & (BROKEN | NOPOWER | EMPED))
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return 0
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if(dos_failure)
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return 0
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if(!enabled)
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return 0
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return 1
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/obj/machinery/ntnet_relay/update_icon()
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if(is_operational())
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icon_state = "bus"
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else
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icon_state = "bus_off"
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/obj/machinery/ntnet_relay/process()
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if(is_operational())
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use_power = 2
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else
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use_power = 1
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if(dos_overload)
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dos_overload = max(0, dos_overload - dos_dissipate)
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// If DoS traffic exceeded capacity, crash.
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if((dos_overload > dos_capacity) && !dos_failure)
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dos_failure = 1
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update_icon()
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ntnet_global.add_log("Quantum relay switched from normal operation mode to overload recovery mode.")
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// If the DoS buffer reaches 0 again, restart.
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if((dos_overload == 0) && dos_failure)
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dos_failure = 0
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update_icon()
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ntnet_global.add_log("Quantum relay switched from overload recovery mode to normal operation mode.")
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..()
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/obj/machinery/ntnet_relay/ui_interact(mob/user, ui_key = "main", var/datum/nanoui/ui = null, var/force_open = 1, var/datum/topic_state/state = default_state)
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var/list/data = list()
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data["enabled"] = enabled
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data["dos_capacity"] = dos_capacity
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data["dos_overload"] = dos_overload
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data["dos_crashed"] = dos_failure
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ui = nanomanager.try_update_ui(user, src, ui_key, ui, data, force_open)
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if (!ui)
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ui = new(user, src, ui_key, "ntnet_relay.tmpl", "NTNet Quantum Relay", 500, 300, state = state)
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ui.set_initial_data(data)
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ui.open()
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ui.set_auto_update(1)
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/obj/machinery/ntnet_relay/attack_hand(var/mob/living/user)
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ui_interact(user)
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/obj/machinery/ntnet_relay/Topic(href, href_list)
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if(..())
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return 1
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if(href_list["restart"])
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dos_overload = 0
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dos_failure = 0
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update_icon()
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ntnet_global.add_log("Quantum relay manually restarted from overload recovery mode to normal operation mode.")
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else if(href_list["toggle"])
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enabled = !enabled
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ntnet_global.add_log("Quantum relay manually [enabled ? "enabled" : "disabled"].")
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update_icon()
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/obj/machinery/ntnet_relay/New()
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uid = gl_uid
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gl_uid++
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component_parts = list()
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component_parts += new /obj/item/stack/cable_coil(src,15)
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component_parts += new /obj/item/weapon/circuitboard/ntnet_relay(src)
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if(ntnet_global)
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ntnet_global.relays.Add(src)
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NTNet = ntnet_global
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ntnet_global.add_log("New quantum relay activated. Current amount of linked relays: [NTNet.relays.len]")
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..()
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/obj/machinery/ntnet_relay/Destroy()
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if(ntnet_global)
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ntnet_global.relays.Remove(src)
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ntnet_global.add_log("Quantum relay connection severed. Current amount of linked relays: [NTNet.relays.len]")
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NTNet = null
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for(var/datum/computer_file/program/ntnet_dos/D in dos_sources)
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D.target = null
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D.error = "Connection to quantum relay severed"
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..()
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/obj/machinery/ntnet_relay/attackby(var/obj/item/weapon/W as obj, var/mob/user as mob)
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if(istype(W, /obj/item/weapon/screwdriver))
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playsound(src.loc, 'sound/items/Screwdriver.ogg', 50, 1)
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panel_open = !panel_open
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user << "You [panel_open ? "open" : "close"] the maintenance hatch"
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return
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if(istype(W, /obj/item/weapon/crowbar))
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if(!panel_open)
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user << "Open the maintenance panel first."
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return
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playsound(src.loc, 'sound/items/Crowbar.ogg', 50, 1)
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user << "You disassemble \the [src]!"
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for(var/atom/movable/A in component_parts)
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A.forceMove(src.loc)
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new/obj/machinery/constructable_frame/machine_frame(src.loc)
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qdel(src)
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return
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..() |