/* HOW IT WORKS The radio_controller is a global object maintaining all radio transmissions, think about it as about "ether". Note that walkie-talkie, intercoms and headsets handle transmission using nonstandard way. procs: add_object(obj/device as obj, var/new_frequency as num, var/filter as text|null = null) Adds listening object. parameters: device - device receiving signals, must have proc receive_signal (see description below). one device may listen several frequencies, but not same frequency twice. new_frequency - see possibly frequencies below; filter - thing for optimization. Optional, but recommended. All filters should be consolidated in this file, see defines later. Device without listening filter will receive all signals (on specified frequency). Device with filter will receive any signals sent without filter. Device with filter will not receive any signals sent with different filter. returns: Reference to frequency object. remove_object (obj/device, old_frequency) Obliviously, after calling this proc, device will not receive any signals on old_frequency. Other frequencies will left unaffected. return_frequency(var/frequency as num) returns: Reference to frequency object. Use it if you need to send and do not need to listen. radio_frequency is a global object maintaining list of devices that listening specific frequency. procs: post_signal(obj/source as obj|null, datum/signal/signal, var/filter as text|null = null, var/range as num|null = null) Sends signal to all devices that wants such signal. parameters: source - object, emitted signal. Usually, devices will not receive their own signals. signal - see description below. filter - described above. range - radius of regular byond's square circle on that z-level. null means everywhere, on all z-levels. obj/proc/receive_signal(datum/signal/signal, var/receive_method as num, var/receive_param) Handler from received signals. By default does nothing. Define your own for your object. Avoid of sending signals directly from this proc, use spawn(-1). Do not use sleep() here please. parameters: signal - see description below. Extract all needed data from the signal before doing sleep(), spawn() or return! receive_method - may be TRANSMISSION_WIRE or TRANSMISSION_RADIO. TRANSMISSION_WIRE is currently unused. receive_param - for TRANSMISSION_RADIO here comes frequency. datum/signal vars: source an object that emitted signal. Used for debug and bearing. data list with transmitting data. Usual use pattern: data["msg"] = "hello world" encryption Some number symbolizing "encryption key". Note that game actually do not use any cryptography here. If receiving object don't know right key, it must ignore encrypted signal in its receive_signal. */ /* Frequency range: 1200 to 1600 Radiochat range: 1441 to 1489 (most devices refuse to be tune to other frequency, even during mapmaking) Radio: 1459 - standard radio chat 1351 - Science 1353 - Command 1355 - Medical 1357 - Engineering 1359 - Security 1441 - death squad 1443 - Confession Intercom 1349 - Miners 1347 - Cargo techs Devices: 1451 - tracking implant 1457 - RSD default On the map: 1311 for prison shuttle console (in fact, it is not used) 1435 for status displays 1437 for atmospherics/fire alerts 1439 for engine components 1439 for air pumps, air scrubbers, atmo control 1441 for atmospherics - supply tanks 1443 for atmospherics - distribution loop/mixed air tank 1445 for bot nav beacons 1447 for mulebot, secbot and ed209 control 1449 for airlock controls, electropack, magnets 1451 for toxin lab access 1453 for engineering access 1455 for AI access */ var/list/radiochannels = list( "Common" = 1459, "Science" = 1351, "Command" = 1353, "Medical" = 1355, "Engineering" = 1357, "Security" = 1359, "Response Team" = 1345, "Deathsquad" = 1341, "Syndicate" = 1213, "Supply" = 1347, ) //depenging helpers var/list/DEPT_FREQS = list( 1351, 1355, 1357, 1359, 1213, 1345, 1341, 1347 ) // central command channels, i.e deathsquid & response teams var/list/CENT_FREQS = list(1345, 1341) var/const/COMM_FREQ = 1353 //command, colored gold in chat window var/const/SYND_FREQ = 1213 // department channels var/const/SEC_FREQ = 1359 var/const/ENG_FREQ = 1357 var/const/SCI_FREQ = 1351 var/const/MED_FREQ = 1355 var/const/SUP_FREQ = 1347 #define TRANSMISSION_WIRE 0 #define TRANSMISSION_RADIO 1 /* filters */ var/const/RADIO_TO_AIRALARM = "1" var/const/RADIO_FROM_AIRALARM = "2" var/const/RADIO_CHAT = "3" var/const/RADIO_ATMOSIA = "4" var/const/RADIO_NAVBEACONS = "5" var/const/RADIO_AIRLOCK = "6" var/const/RADIO_SECBOT = "7" var/const/RADIO_MULEBOT = "8" var/const/RADIO_MAGNETS = "9" var/const/RADIO_CONVEYORS = "10" var/global/datum/controller/radio/radio_controller datum/controller/radio var/list/datum/radio_frequency/frequencies = list() proc/add_object(obj/device as obj, var/new_frequency as num, var/filter = null as text|null) var/f_text = num2text(new_frequency) var/datum/radio_frequency/frequency = frequencies[f_text] if(!frequency) frequency = new frequency.frequency = new_frequency frequencies[f_text] = frequency frequency.add_listener(device, filter) return frequency proc/remove_object(obj/device, old_frequency) var/f_text = num2text(old_frequency) var/datum/radio_frequency/frequency = frequencies[f_text] if(frequency) frequency.remove_listener(device) if(frequency.devices.len == 0) del(frequency) frequencies -= f_text return 1 proc/return_frequency(var/new_frequency as num) var/f_text = num2text(new_frequency) var/datum/radio_frequency/frequency = frequencies[f_text] if(!frequency) frequency = new frequency.frequency = new_frequency frequencies[f_text] = frequency return frequency datum/radio_frequency var/frequency as num var/list/list/obj/devices = list() proc post_signal(obj/source as obj|null, datum/signal/signal, var/filter = null as text|null, var/range = null as num|null) //log_admin("DEBUG \[[world.timeofday]\]: post_signal {source=\"[source]\", [signal.debug_print()], filter=[filter]}") // var/N_f=0 // var/N_nf=0 // var/Nt=0 var/turf/start_point if(range) start_point = get_turf(source) if(!start_point) // del(signal) return 0 if (filter) //here goes some copypasta. It is for optimisation. -rastaf0 for(var/obj/device in devices[filter]) if(device == source) continue if(range) var/turf/end_point = get_turf(device) if(!end_point) continue //if(max(abs(start_point.x-end_point.x), abs(start_point.y-end_point.y)) <= range) if(start_point.z!=end_point.z || get_dist(start_point, end_point) > range) continue device.receive_signal(signal, TRANSMISSION_RADIO, frequency) for(var/obj/device in devices["_default"]) if(device == source) continue if(range) var/turf/end_point = get_turf(device) if(!end_point) continue //if(max(abs(start_point.x-end_point.x), abs(start_point.y-end_point.y)) <= range) if(start_point.z!=end_point.z || get_dist(start_point, end_point) > range) continue device.receive_signal(signal, TRANSMISSION_RADIO, frequency) // N_f++ else for (var/next_filter in devices) // var/list/obj/DDD = devices[next_filter] // Nt+=DDD.len for(var/obj/device in devices[next_filter]) if(device == source) continue if(range) var/turf/end_point = get_turf(device) if(!end_point) continue //if(max(abs(start_point.x-end_point.x), abs(start_point.y-end_point.y)) <= range) if(start_point.z!=end_point.z || get_dist(start_point, end_point) > range) continue device.receive_signal(signal, TRANSMISSION_RADIO, frequency) // N_nf++ // log_admin("DEBUG: post_signal(source=[source] ([source.x], [source.y], [source.z]),filter=[filter]) frequency=[frequency], N_f=[N_f], N_nf=[N_nf]") // del(signal) add_listener(obj/device as obj, var/filter as text|null) if (!filter) filter = "_default" //log_admin("add_listener(device=[device],filter=[filter]) frequency=[frequency]") var/list/obj/devices_line = devices[filter] if (!devices_line) devices_line = new devices[filter] = devices_line devices_line+=device // var/list/obj/devices_line___ = devices[filter_str] // var/l = devices_line___.len //log_admin("DEBUG: devices_line.len=[devices_line.len]") //log_admin("DEBUG: devices(filter_str).len=[l]") remove_listener(obj/device) for (var/devices_filter in devices) var/list/devices_line = devices[devices_filter] devices_line-=device while (null in devices_line) devices_line -= null if (devices_line.len==0) devices -= devices_filter del(devices_line) var/list/pointers = list() /client/proc/print_pointers() set name = "Debug Signals" set category = "Debug" if(!holder) return src << "There are [pointers.len] pointers:" for(var/p in pointers) src << p var/datum/signal/S = locate(p) if(istype(S)) src << S.debug_print() /obj/proc/receive_signal(datum/signal/signal, receive_method, receive_param) return null /datum/signal var/obj/source var/transmission_method = 0 //0 = wire //1 = radio transmission //2 = subspace transmission var/data = list() var/encryption var/frequency = 0 /datum/signal/New() ..() pointers += "\ref[src]" /datum/signal/Del() pointers -= "\ref[src]" ..() /datum/signal/proc/copy_from(datum/signal/model) source = model.source transmission_method = model.transmission_method data = model.data encryption = model.encryption frequency = model.frequency /datum/signal/proc/debug_print() if (source) . = "signal = {source = '[source]' ([source:x],[source:y],[source:z])\n" else . = "signal = {source = '[source]' ()\n" for (var/i in data) . += "data\[\"[i]\"\] = \"[data[i]]\"\n" if(islist(data[i])) var/list/L = data[i] for(var/t in L) . += "data\[\"[i]\"\] list has: [t]" /datum/signal/proc/sanitize_data() for(var/d in data) var/val = data[d] if(istext(val)) data[d] = strip_html_simple(val)