/* HOW IT WORKS The SSradio 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(0). 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. */ /* the radio controller is a confusing piece of shit and didnt work so i made radios not use the radio controller. */ var/list/all_radios = list() /proc/add_radio(obj/item/radio, freq) if(!freq || !radio) return if(!all_radios["[freq]"]) all_radios["[freq]"] = list(radio) return freq all_radios["[freq]"] |= radio return freq /proc/remove_radio(obj/item/radio, freq) if(!freq || !radio) return if(!all_radios["[freq]"]) return all_radios["[freq]"] -= radio /proc/remove_radio_all(obj/item/radio) for(var/freq in all_radios) all_radios["[freq]"] -= radio /* 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 1337 - death squad 1443 - Confession Intercom 1349 - Miners 1347 - Cargo techs 1447 - AI Private 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, "Centcom" = 1337, "Syndicate" = 1213, "Supply" = 1347, "Service" = 1349, "AI Private" = 1447 ) var/list/radiochannelsreverse = list( "1459" = "Common", "1351" = "Science", "1353" = "Command", "1355" = "Medical", "1357" = "Engineering", "1359" = "Security", "1337" = "Centcom", "1213" = "Syndicate", "1347" = "Supply", "1349" = "Service", "1447" = "AI Private" ) //depenging helpers var/const/SYND_FREQ = 1213 //nuke op frequency, coloured dark brown in chat window var/const/SUPP_FREQ = 1347 //supply, coloured light brown in chat window var/const/SERV_FREQ = 1349 //service, coloured green in chat window var/const/SCI_FREQ = 1351 //science, coloured plum in chat window var/const/COMM_FREQ = 1353 //command, colored gold in chat window var/const/MED_FREQ = 1355 //medical, coloured blue in chat window var/const/ENG_FREQ = 1357 //engineering, coloured orange in chat window var/const/SEC_FREQ = 1359 //security, coloured red in chat window var/const/CENTCOM_FREQ = 1337 //centcom frequency, coloured grey in chat window var/const/AIPRIV_FREQ = 1447 //AI private, colored magenta in chat window #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" //deprecated var/const/RADIO_ATMOSIA = "4" var/const/RADIO_NAVBEACONS = "5" var/const/RADIO_AIRLOCK = "6" var/const/RADIO_MAGNETS = "9" /datum/radio_frequency var/frequency as num var/list/list/obj/devices = list() //If range > 0, only post to devices on the same z_level and within range //Use range = -1, to restrain to the same z_level without limiting range /datum/radio_frequency/proc/post_signal(obj/source as obj|null, datum/signal/signal, filter = null as text|null, range = null as num|null) //Apply filter to the signal. If none supply, broadcast to every devices //_default channel is always checked var/list/filter_list if(filter) filter_list = list(filter,"_default") else filter_list = devices //If checking range, find the source turf var/turf/start_point if(range) start_point = get_turf(source) if(!start_point) return 0 //Send the data for(var/current_filter in filter_list) for(var/obj/device in devices[current_filter]) if(device == source) continue if(range) var/turf/end_point = get_turf(device) if(!end_point) continue if(start_point.z != end_point.z || (range > 0 && get_dist(start_point, end_point) > range)) continue device.receive_signal(signal, TRANSMISSION_RADIO, frequency) /datum/radio_frequency/proc/add_listener(obj/device, filter as text|null) if (!filter) filter = "_default" var/list/devices_line = devices[filter] if(!devices_line) devices_line = list() devices[filter] = devices_line devices_line += device /datum/radio_frequency/proc/remove_listener(obj/device) for(var/devices_filter in devices) var/list/devices_line = devices[devices_filter] if(!devices_line) devices -= devices_filter devices_line -= device if(!devices_line.len) devices -= devices_filter 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 /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/Destroy() pointers -= "\ref[src]" return ..() /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] = html_encode(val)