Replaces radio channel names and keys with defines

code/__DEFINES/radio.dm

@@ -1,5 +1,62 @@
 // Radios use a large variety of predefined frequencies.
 
+#define RADIO_CHANNEL_COMMON "Common"
+#define RADIO_KEY_COMMON ";"
+#define RADIO_TOKEN_COMMON ";"
+
+#define RADIO_CHANNEL_DEPARTMENT "department"
+#define RADIO_KEY_DEPARTMENT "h"
+#define RADIO_TOKEN_DEPARTMENT ":h"
+
+#define RADIO_CHANNEL_SECURITY "Security"
+#define RADIO_KEY_SECURITY "s"
+#define RADIO_TOKEN_SECURITY ":s"
+
+#define RADIO_CHANNEL_ENGINEERING "Engineering"
+#define RADIO_KEY_ENGINEERING "e"
+#define RADIO_TOKEN_ENGINEERING ":e"
+
+#define RADIO_CHANNEL_COMMAND "Command"
+#define RADIO_KEY_COMMAND "c"
+#define RADIO_TOKEN_COMMAND ":c"
+
+#define RADIO_CHANNEL_SCIENCE "Science"
+#define RADIO_KEY_SCIENCE "n"
+#define RADIO_TOKEN_SCIENCE ":n"
+
+#define RADIO_CHANNEL_MEDICAL "Medical"
+#define RADIO_KEY_MEDICAL "m"
+#define RADIO_TOKEN_MEDICAL ":m"
+
+#define RADIO_CHANNEL_SUPPLY "Supply"
+#define RADIO_KEY_SUPPLY "u"
+#define RADIO_TOKEN_SUPPLY ":u"
+
+#define RADIO_CHANNEL_SERVICE "Service"
+#define RADIO_KEY_SERVICE "v"
+#define RADIO_TOKEN_SERVICE ":v"
+
+#define RADIO_CHANNEL_BINARY "Binary"
+#define RADIO_KEY_BINARY "b"
+#define RADIO_TOKEN_BINARY ":b"
+
+#define RADIO_CHANNEL_AI_PRIVATE "AI Private"
+#define RADIO_KEY_AI_PRIVATE "o"
+#define RADIO_TOKEN_AI_PRIVATE ":o"
+
+
+#define RADIO_CHANNEL_SYNDICATE "Syndicate"
+#define RADIO_KEY_SYNDICATE "t"
+#define RADIO_TOKEN_SYNDICATE ":t"
+
+#define RADIO_CHANNEL_CENTCOM "CentCom"
+#define RADIO_KEY_CENTCOM "y"
+#define RADIO_TOKEN_CENTCOM ":y"
+
+#define RADIO_CHANNEL_CTF_RED "Red Team"
+#define RADIO_CHANNEL_CTF_BLUE "Blue Team"
+
+
 #define MIN_FREE_FREQ 1201 // -------------------------------------------------
 // Frequencies are always odd numbers and range from 1201 to 1599.
 

code/game/communications.dm

@@ -91,35 +91,35 @@ GLOBAL_LIST_EMPTY(all_radios)
 // use in maps, such as in intercoms.
 
 GLOBAL_LIST_INIT(radiochannels, list(
-	"Common" = FREQ_COMMON,
+	RADIO_CHANNEL_COMMON = FREQ_COMMON,
-	"Science" = FREQ_SCIENCE,
+	RADIO_CHANNEL_SCIENCE = FREQ_SCIENCE,
-	"Command" = FREQ_COMMAND,
+	RADIO_CHANNEL_COMMAND = FREQ_COMMAND,
-	"Medical" = FREQ_MEDICAL,
+	RADIO_CHANNEL_MEDICAL = FREQ_MEDICAL,
-	"Engineering" = FREQ_ENGINEERING,
+	RADIO_CHANNEL_ENGINEERING = FREQ_ENGINEERING,
-	"Security" = FREQ_SECURITY,
+	RADIO_CHANNEL_SECURITY = FREQ_SECURITY,
-	"CentCom" = FREQ_CENTCOM,
+	RADIO_CHANNEL_CENTCOM = FREQ_CENTCOM,
-	"Syndicate" = FREQ_SYNDICATE,
+	RADIO_CHANNEL_SYNDICATE = FREQ_SYNDICATE,
-	"Supply" = FREQ_SUPPLY,
+	RADIO_CHANNEL_SUPPLY = FREQ_SUPPLY,
-	"Service" = FREQ_SERVICE,
+	RADIO_CHANNEL_SERVICE = FREQ_SERVICE,
-	"AI Private" = FREQ_AI_PRIVATE,
+	RADIO_CHANNEL_AI_PRIVATE = FREQ_AI_PRIVATE,
-	"Red Team" = FREQ_CTF_RED,
+	RADIO_CHANNEL_CTF_RED = FREQ_CTF_RED,
-	"Blue Team" = FREQ_CTF_BLUE
+	RADIO_CHANNEL_CTF_BLUE = FREQ_CTF_BLUE
 ))
 
 GLOBAL_LIST_INIT(reverseradiochannels, list(
-	"[FREQ_COMMON]" = "Common",
+	"[FREQ_COMMON]" = RADIO_CHANNEL_COMMON,
-	"[FREQ_SCIENCE]" = "Science",
+	"[FREQ_SCIENCE]" = RADIO_CHANNEL_SCIENCE,
-	"[FREQ_COMMAND]" = "Command",
+	"[FREQ_COMMAND]" = RADIO_CHANNEL_COMMAND,
-	"[FREQ_MEDICAL]" = "Medical",
+	"[FREQ_MEDICAL]" = RADIO_CHANNEL_MEDICAL,
-	"[FREQ_ENGINEERING]" = "Engineering",
+	"[FREQ_ENGINEERING]" = RADIO_CHANNEL_ENGINEERING,
-	"[FREQ_SECURITY]" = "Security",
+	"[FREQ_SECURITY]" = RADIO_CHANNEL_SECURITY,
-	"[FREQ_CENTCOM]" = "CentCom",
+	"[FREQ_CENTCOM]" = RADIO_CHANNEL_CENTCOM,
-	"[FREQ_SYNDICATE]" = "Syndicate",
+	"[FREQ_SYNDICATE]" = RADIO_CHANNEL_SYNDICATE,
-	"[FREQ_SUPPLY]" = "Supply",
+	"[FREQ_SUPPLY]" = RADIO_CHANNEL_SUPPLY,
-	"[FREQ_SERVICE]" = "Service",
+	"[FREQ_SERVICE]" = RADIO_CHANNEL_SERVICE,
-	"[FREQ_AI_PRIVATE]" = "AI Private",
+	"[FREQ_AI_PRIVATE]" = RADIO_CHANNEL_AI_PRIVATE,
-	"[FREQ_CTF_RED]" = "Red Team",
+	"[FREQ_CTF_RED]" = RADIO_CHANNEL_CTF_RED,
-	"[FREQ_CTF_BLUE]" = "Blue Team"
+	"[FREQ_CTF_BLUE]" = RADIO_CHANNEL_CTF_BLUE
 ))
 
 /datum/radio_frequency

code/game/machinery/bank_machine.dm

@@ -6,7 +6,7 @@
 	var/siphoning = FALSE
 	var/next_warning = 0
 	var/obj/item/radio/radio
-	var/radio_channel = "Common"
+	var/radio_channel = RADIO_CHANNEL_COMMON
 	var/minimum_time_between_warnings = 400
 	var/syphoning_credits = 0
 

code/game/machinery/cloning.dm

@@ -31,7 +31,7 @@
 	var/internal_radio = TRUE
 	var/obj/item/radio/radio
 	var/radio_key = /obj/item/encryptionkey/headset_med
-	var/radio_channel = "Medical"
+	var/radio_channel = RADIO_CHANNEL_MEDICAL
 
 	var/obj/effect/countdown/clonepod/countdown
 

code/game/machinery/requests_console.dm

@@ -314,13 +314,13 @@ GLOBAL_LIST_EMPTY(allConsoles)
 			switch(text2num(href_list["emergency"]))
 				if(1) //Security
 					radio_freq = FREQ_SECURITY
-					emergency = "Security"
+					emergency = RADIO_CHANNEL_SECURITY
 				if(2) //Engineering
 					radio_freq = FREQ_ENGINEERING
-					emergency = "Engineering"
+					emergency = RADIO_CHANNEL_ENGINEERING
 				if(3) //Medical
 					radio_freq = FREQ_MEDICAL
-					emergency = "Medical"
+					emergency = RADIO_CHANNEL_MEDICAL
 			if(radio_freq)
 				Radio.set_frequency(radio_freq)
 				Radio.talk_into(src,"[emergency] emergency in [department]!!",radio_freq,get_spans(),get_default_language())

code/game/objects/items/devices/radio/encryptionkey.dm

@@ -1,6 +1,6 @@
 /obj/item/encryptionkey
 	name = "standard encryption key"
-	desc = "An encryption key for a radio headset.  Has no special codes in it.  WHY DOES IT EXIST?  ASK NANOTRASEN."
+	desc = "An encryption key for a radio headset."
 	icon = 'icons/obj/radio.dmi'
 	icon_state = "cypherkey"
 	w_class = WEIGHT_CLASS_TINY
@@ -9,124 +9,119 @@
 	var/independent = FALSE
 	var/list/channels = list()
 
+/obj/item/encryptionkey/Initialize()
+	. = ..()
+	if(!channels.len)
+		desc = "An encryption key for a radio headset.  Has no special codes in it. You should probably tell a coder!"
+
+/obj/item/encryptionkey/examine(mob/user)
+	. = ..()
+	if(LAZYLEN(channels))
+		var/list/examine_text_list = list()
+		for(var/i in channels)
+			examine_text_list += "[GLOB.channel_tokens[i]] - [lowertext(i)]"
+
+		to_chat(user, "<span class='notice'>It can access the following channels; [jointext(examine_text_list, ", ")].</span>")
+
 /obj/item/encryptionkey/syndicate
 	name = "syndicate encryption key"
-	desc = "An encryption key for a radio headset. To access the syndicate channel, use :t."
 	icon_state = "syn_cypherkey"
-	channels = list("Syndicate" = 1)
+	channels = list(RADIO_CHANNEL_SYNDICATE = 1)
-	syndie = 1//Signifies that it de-crypts Syndicate transmissions
+	syndie = TRUE//Signifies that it de-crypts Syndicate transmissions
 
 /obj/item/encryptionkey/binary
 	name = "binary translator key"
-	desc = "An encryption key for a radio headset.  To access the binary channel, use :b."
 	icon_state = "bin_cypherkey"
 	translate_binary = TRUE
 
 /obj/item/encryptionkey/headset_sec
 	name = "security radio encryption key"
-	desc = "An encryption key for a radio headset.  To access the security channel, use :s."
 	icon_state = "sec_cypherkey"
-	channels = list("Security" = 1)
+	channels = list(RADIO_CHANNEL_SECURITY = 1)
 
 /obj/item/encryptionkey/headset_eng
 	name = "engineering radio encryption key"
-	desc = "An encryption key for a radio headset.  To access the engineering channel, use :e."
 	icon_state = "eng_cypherkey"
-	channels = list("Engineering" = 1)
+	channels = list(RADIO_CHANNEL_ENGINEERING = 1)
 
 /obj/item/encryptionkey/headset_rob
 	name = "robotics radio encryption key"
-	desc = "An encryption key for a radio headset.  To access the engineering channel, use :e. For research, use :n."
 	icon_state = "rob_cypherkey"
-	channels = list("Science" = 1, "Engineering" = 1)
+	channels = list(RADIO_CHANNEL_SCIENCE = 1, RADIO_CHANNEL_ENGINEERING = 1)
 
 /obj/item/encryptionkey/headset_med
 	name = "medical radio encryption key"
-	desc = "An encryption key for a radio headset.  To access the medical channel, use :m."
 	icon_state = "med_cypherkey"
-	channels = list("Medical" = 1)
+	channels = list(RADIO_CHANNEL_MEDICAL = 1)
 
 /obj/item/encryptionkey/headset_sci
 	name = "science radio encryption key"
-	desc = "An encryption key for a radio headset.  To access the science channel, use :n."
 	icon_state = "sci_cypherkey"
-	channels = list("Science" = 1)
+	channels = list(RADIO_CHANNEL_SCIENCE = 1)
 
 /obj/item/encryptionkey/headset_medsci
 	name = "medical research radio encryption key"
-	desc = "An encryption key for a radio headset.  To access the medical channel, use :m. For science, use :n."
 	icon_state = "medsci_cypherkey"
-	channels = list("Science" = 1, "Medical" = 1)
+	channels = list(RADIO_CHANNEL_SCIENCE = 1, RADIO_CHANNEL_MEDICAL = 1)
 
 /obj/item/encryptionkey/headset_com
 	name = "command radio encryption key"
-	desc = "An encryption key for a radio headset.  To access the command channel, use :c."
 	icon_state = "com_cypherkey"
-	channels = list("Command" = 1)
+	channels = list(RADIO_CHANNEL_COMMAND = 1)
 
 /obj/item/encryptionkey/heads/captain
 	name = "\proper the captain's encryption key"
-	desc = "An encryption key for a radio headset.  Channels are as follows: :c - command, :s - security, :e - engineering, :u - supply, :v - service, :m - medical, :n - science."
 	icon_state = "cap_cypherkey"
-	channels = list("Command" = 1, "Security" = 1, "Engineering" = 0, "Science" = 0, "Medical" = 0, "Supply" = 0, "Service" = 0)
+	channels = list(RADIO_CHANNEL_COMMAND = 1, RADIO_CHANNEL_SECURITY = 1, RADIO_CHANNEL_ENGINEERING = 0, RADIO_CHANNEL_SCIENCE = 0, RADIO_CHANNEL_MEDICAL = 0, RADIO_CHANNEL_SUPPLY = 0, RADIO_CHANNEL_SERVICE = 0)
 
 /obj/item/encryptionkey/heads/rd
 	name = "\proper the research director's encryption key"
-	desc = "An encryption key for a radio headset.  To access the science channel, use :n. For command, use :c."
 	icon_state = "rd_cypherkey"
-	channels = list("Science" = 1, "Command" = 1)
+	channels = list(RADIO_CHANNEL_SCIENCE = 1, RADIO_CHANNEL_COMMAND = 1)
 
 /obj/item/encryptionkey/heads/hos
 	name = "\proper the head of security's encryption key"
-	desc = "An encryption key for a radio headset.  To access the security channel, use :s. For command, use :c."
 	icon_state = "hos_cypherkey"
-	channels = list("Security" = 1, "Command" = 1)
+	channels = list(RADIO_CHANNEL_SECURITY = 1, RADIO_CHANNEL_COMMAND = 1)
 
 /obj/item/encryptionkey/heads/ce
 	name = "\proper the chief engineer's encryption key"
-	desc = "An encryption key for a radio headset.  To access the engineering channel, use :e. For command, use :c."
 	icon_state = "ce_cypherkey"
-	channels = list("Engineering" = 1, "Command" = 1)
+	channels = list(RADIO_CHANNEL_ENGINEERING = 1, RADIO_CHANNEL_COMMAND = 1)
 
 /obj/item/encryptionkey/heads/cmo
 	name = "\proper the chief medical officer's encryption key"
-	desc = "An encryption key for a radio headset.  To access the medical channel, use :m. For command, use :c."
 	icon_state = "cmo_cypherkey"
-	channels = list("Medical" = 1, "Command" = 1)
+	channels = list(RADIO_CHANNEL_MEDICAL = 1, RADIO_CHANNEL_COMMAND = 1)
 
 /obj/item/encryptionkey/heads/hop
 	name = "\proper the head of personnel's encryption key"
-	desc = "An encryption key for a radio headset.  Channels are as follows: :u - supply, :v - service, :c - command."
 	icon_state = "hop_cypherkey"
-	channels = list("Supply" = 1, "Service" = 1, "Command" = 1)
+	channels = list(RADIO_CHANNEL_SUPPLY = 1, RADIO_CHANNEL_SERVICE = 1, RADIO_CHANNEL_COMMAND = 1)
 
 /obj/item/encryptionkey/headset_cargo
 	name = "supply radio encryption key"
-	desc = "An encryption key for a radio headset.  To access the supply channel, use :u."
 	icon_state = "cargo_cypherkey"
-	channels = list("Supply" = 1)
+	channels = list(RADIO_CHANNEL_SUPPLY = 1)
 
 /obj/item/encryptionkey/headset_mining
 	name = "mining radio encryption key"
-	desc = "An encryption key for a radio headset.  To access the supply channel, use :u. For science, use :n."
 	icon_state = "cargo_cypherkey"
-	channels = list("Supply" = 1, "Science" = 1)
+	channels = list(RADIO_CHANNEL_SUPPLY = 1, RADIO_CHANNEL_SCIENCE = 1)
 
 /obj/item/encryptionkey/headset_service
 	name = "service radio encryption key"
-	desc = "An encryption key for a radio headset.  To access the service channel, use :v."
 	icon_state = "srv_cypherkey"
-	channels = list("Service" = 1)
+	channels = list(RADIO_CHANNEL_SERVICE = 1)
 
 /obj/item/encryptionkey/headset_cent
 	name = "\improper CentCom radio encryption key"
-	desc = "An encryption key for a radio headset.  To access the CentCom channel, use :y."
 	icon_state = "cent_cypherkey"
 	independent = TRUE
-	channels = list("CentCom" = 1)
+	channels = list(RADIO_CHANNEL_CENTCOM = 1)
 
 /obj/item/encryptionkey/ai //ported from NT, this goes 'inside' the AI.
-	channels = list("Command" = 1, "Security" = 1, "Engineering" = 1, "Science" = 1, "Medical" = 1, "Supply" = 1, "Service" = 1, "AI Private" = 1)
+	channels = list(RADIO_CHANNEL_COMMAND = 1, RADIO_CHANNEL_SECURITY = 1, RADIO_CHANNEL_ENGINEERING = 1, RADIO_CHANNEL_SCIENCE = 1, RADIO_CHANNEL_MEDICAL = 1, RADIO_CHANNEL_SUPPLY = 1, RADIO_CHANNEL_SERVICE = 1, RADIO_CHANNEL_AI_PRIVATE = 1)
 
 /obj/item/encryptionkey/secbot
-	channels = list("AI Private"=1,"Security"=1)
+	channels = list(RADIO_CHANNEL_AI_PRIVATE = 1, RADIO_CHANNEL_SECURITY = 1)

code/game/objects/items/devices/radio/headset.dm

@@ -1,16 +1,17 @@
 // Used for translating channels to tokens on examination
 GLOBAL_LIST_INIT(channel_tokens, list(
-	"Common" = ";",
+	RADIO_CHANNEL_COMMON = RADIO_TOKEN_COMMON,
-	"Science" = ":n",
+	RADIO_CHANNEL_SCIENCE = RADIO_TOKEN_SCIENCE,
-	"Command" = ":c",
+	RADIO_CHANNEL_COMMAND = RADIO_TOKEN_COMMAND,
-	"Medical" = ":m",
+	RADIO_CHANNEL_MEDICAL = RADIO_TOKEN_MEDICAL,
-	"Engineering" = ":e",
+	RADIO_CHANNEL_ENGINEERING = RADIO_TOKEN_ENGINEERING,
-	"Security" = ":s",
+	RADIO_CHANNEL_SECURITY = RADIO_TOKEN_SECURITY,
-	"CentCom" = ":y",
+	RADIO_CHANNEL_CENTCOM = RADIO_TOKEN_CENTCOM,
-	"Syndicate" = ":t",
+	RADIO_CHANNEL_SYNDICATE = RADIO_TOKEN_SYNDICATE,
-	"Supply" = ":u",
+	RADIO_CHANNEL_SUPPLY = RADIO_TOKEN_SUPPLY,
-	"Service" = ":v",
+	RADIO_CHANNEL_SERVICE = RADIO_TOKEN_SERVICE,
-	"Binary" = ":b"
+	RADIO_CHANNEL_BINARY = RADIO_TOKEN_BINARY,
+	RADIO_CHANNEL_AI_PRIVATE = RADIO_TOKEN_AI_PRIVATE
 ))
 
 /obj/item/radio/headset
@@ -35,19 +36,19 @@ GLOBAL_LIST_INIT(channel_tokens, list(
 
 	if(item_flags & IN_INVENTORY && loc == user)
 		// construction of frequency description
-		var/list/avail_chans = list("Use ; for the currently tuned frequency")
+		var/list/avail_chans = list("Use [RADIO_KEY_COMMON] for the currently tuned frequency")
 		if(translate_binary)
-			avail_chans += "use :b for Binary"
+			avail_chans += "use [RADIO_TOKEN_BINARY] for [RADIO_CHANNEL_BINARY]"
 		if(length(channels))
 			for(var/i in 1 to length(channels))
 				if(i == 1)
-					avail_chans += "use :h or [GLOB.channel_tokens[channels[i]]] for [lowertext(channels[i])]"
+					avail_chans += "use [RADIO_TOKEN_DEPARTMENT] or [GLOB.channel_tokens[channels[i]]] for [lowertext(channels[i])]"
 				else
 					avail_chans += "use [GLOB.channel_tokens[channels[i]]] for [lowertext(channels[i])]"
 		to_chat(user, "<span class='notice'>A small screen on the headset displays the following available frequencies:\n[english_list(avail_chans)].")
 
 		if(command)
-			to_chat(user, "<span class='notice'>Alt-click to toggle the high-volume mode.</span>")
+			to_chat(user, "<span class='info'>Alt-click to toggle the high-volume mode.</span>")
 	else
 		to_chat(user, "<span class='notice'>A small screen on the headset flashes, it's too small to read without holding or wearing the headset.</span>")
 

code/game/objects/items/devices/radio/radio.dm

@@ -221,7 +221,7 @@
 	// From the channel, determine the frequency and get a reference to it.
 	var/freq
 	if(channel && channels && channels.len > 0)
-		if(channel == "department")
+		if(channel == RADIO_CHANNEL_DEPARTMENT)
 			channel = channels[1]
 		freq = secure_radio_connections[channel]
 		if (!channels[channel]) // if the channel is turned off, don't broadcast

code/modules/admin/topic.dm

@@ -1920,14 +1920,14 @@
 			return
 
 		var/mob/M = locate(href_list["CentComReply"])
-		usr.client.admin_headset_message(M, "CentCom")
+		usr.client.admin_headset_message(M, RADIO_CHANNEL_CENTCOM)
 
 	else if(href_list["SyndicateReply"])
 		if(!check_rights(R_ADMIN))
 			return
 
 		var/mob/M = locate(href_list["SyndicateReply"])
-		usr.client.admin_headset_message(M, "Syndicate")
+		usr.client.admin_headset_message(M, RADIO_CHANNEL_SYNDICATE)
 
 	else if(href_list["HeadsetMessage"])
 		if(!check_rights(R_ADMIN))

code/modules/admin/verbs/borgpanel.dm

@@ -62,7 +62,7 @@
 	.["laws"] = borg.laws ? borg.laws.get_law_list(include_zeroth = TRUE) : list()
 	.["channels"] = list()
 	for (var/k in GLOB.radiochannels)
-		if (k == "Common")
+		if (k == RADIO_CHANNEL_COMMON)
 			continue
 		.["channels"] += list(list("name" = k, "installed" = (k in borg.radio.channels)))
 	.["cell"] = borg.cell ? list("missing" = FALSE, "maxcharge" = borg.cell.maxcharge, "charge" = borg.cell.charge) : list("missing" = TRUE, "maxcharge" = 1, "charge" = 0)
@@ -164,13 +164,13 @@
 			if (channel in borg.radio.channels) // We're removing a channel
 				if (!borg.radio.keyslot) // There's no encryption key. This shouldn't happen but we can cope
 					borg.radio.channels -= channel
-					if (channel == "Syndicate")
+					if (channel == RADIO_CHANNEL_SYNDICATE)
 						borg.radio.syndie = FALSE
 					else if (channel == "CentCom")
 						borg.radio.independent = FALSE
 				else
 					borg.radio.keyslot.channels -= channel
-					if (channel == "Syndicate")
+					if (channel == RADIO_CHANNEL_SYNDICATE)
 						borg.radio.keyslot.syndie = FALSE
 					else if (channel == "CentCom")
 						borg.radio.keyslot.independent = FALSE
@@ -180,7 +180,7 @@
 				if (!borg.radio.keyslot) // Assert that an encryption key exists
 					borg.radio.keyslot = new (borg.radio)
 				borg.radio.keyslot.channels[channel] = 1
-				if (channel == "Syndicate")
+				if (channel == RADIO_CHANNEL_SYNDICATE)
 					borg.radio.keyslot.syndie = TRUE
 				else if (channel == "CentCom")
 					borg.radio.keyslot.independent = TRUE

code/modules/admin/verbs/randomverbs.dm

@@ -65,7 +65,7 @@
 		return
 
 	if (!sender)
-		sender = input("Who is the message from?", "Sender") as null|anything in list("CentCom","Syndicate")
+		sender = input("Who is the message from?", "Sender") as null|anything in list(RADIO_CHANNEL_CENTCOM,RADIO_CHANNEL_SYNDICATE)
 		if(!sender)
 			return
 

code/modules/atmospherics/machinery/components/unary_devices/cryo.dm

@@ -27,7 +27,7 @@
 
 	var/obj/item/radio/radio
 	var/radio_key = /obj/item/encryptionkey/headset_med
-	var/radio_channel = "Medical"
+	var/radio_channel = RADIO_CHANNEL_MEDICAL
 
 	var/running_anim = FALSE
 

code/modules/jobs/job_types/captain.dm

@@ -69,7 +69,7 @@ Head of Personnel
 	flag = HOP
 	department_head = list("Captain")
 	department_flag = CIVILIAN
-	head_announce = list("Supply", "Service")
+	head_announce = list(RADIO_CHANNEL_SUPPLY, RADIO_CHANNEL_SERVICE)
 	faction = "Station"
 	total_positions = 1
 	spawn_positions = 1

code/modules/jobs/job_types/medical.dm

@@ -6,7 +6,7 @@ Chief Medical Officer
 	flag = CMO_JF
 	department_head = list("Captain")
 	department_flag = MEDSCI
-	head_announce = list("Medical")
+	head_announce = list(RADIO_CHANNEL_MEDICAL)
 	faction = "Station"
 	total_positions = 1
 	spawn_positions = 1

code/modules/jobs/job_types/security.dm

@@ -12,7 +12,7 @@ Head of Security
 	flag = HOS
 	department_head = list("Captain")
 	department_flag = ENGSEC
-	head_announce = list("Security")
+	head_announce = list(RADIO_CHANNEL_SECURITY)
 	faction = "Station"
 	total_positions = 1
 	spawn_positions = 1

code/modules/mob/living/carbon/human/say.dm

@@ -71,9 +71,9 @@
 	if(ears)
 		var/obj/item/radio/headset/dongle = ears
 		if(!istype(dongle))
-			return 0
+			return FALSE
 		if(dongle.translate_binary)
-			return 1
+			return TRUE
 
 /mob/living/carbon/human/radio(message, message_mode, list/spans, language)
 	. = ..()

code/modules/mob/living/say.dm

@@ -7,25 +7,25 @@ GLOBAL_LIST_INIT(department_radio_keys, list(
 	"i" = "intercom",
 
 	// Department
-	"h" = "department",
+	RADIO_KEY_DEPARTMENT = RADIO_CHANNEL_DEPARTMENT,
-	"c" = "Command",
+	RADIO_KEY_COMMAND = RADIO_CHANNEL_COMMAND,
-	"n" = "Science",
+	RADIO_KEY_SCIENCE = RADIO_CHANNEL_SCIENCE,
-	"m" = "Medical",
+	RADIO_KEY_MEDICAL = RADIO_CHANNEL_MEDICAL,
-	"e" = "Engineering",
+	RADIO_KEY_ENGINEERING = RADIO_CHANNEL_ENGINEERING,
-	"s" = "Security",
+	RADIO_KEY_SECURITY = RADIO_CHANNEL_SECURITY,
-	"u" = "Supply",
+	RADIO_KEY_SUPPLY = RADIO_CHANNEL_SUPPLY,
-	"v" = "Service",
+	RADIO_KEY_SERVICE = RADIO_CHANNEL_SERVICE,
 
 	// Faction
-	"t" = "Syndicate",
+	RADIO_KEY_SYNDICATE = RADIO_CHANNEL_SYNDICATE,
-	"y" = "CentCom",
+	RADIO_KEY_CENTCOM = RADIO_CHANNEL_CENTCOM,
 
 	// Admin
 	"p" = "admin",
 	"d" = "deadmin",
 
 	// Misc
-	"o" = "AI Private", // AI Upload channel
+	RADIO_KEY_AI_PRIVATE = RADIO_CHANNEL_AI_PRIVATE, // AI Upload channel
 	"x" = "cords",		// vocal cords, used by Voice of God
 
 
@@ -37,25 +37,25 @@ GLOBAL_LIST_INIT(department_radio_keys, list(
 	"ø" = "intercom",
 
 	// Department
-	"ð" = "department",
+	"ð" = RADIO_CHANNEL_DEPARTMENT,
-	"ñ" = "Command",
+	"ñ" = RADIO_CHANNEL_COMMAND,
-	"ò" = "Science",
+	"ò" = RADIO_CHANNEL_SCIENCE,
-	"ü" = "Medical",
+	"ü" = RADIO_CHANNEL_MEDICAL,
-	"ó" = "Engineering",
+	"ó" = RADIO_CHANNEL_ENGINEERING,
-	"û" = "Security",
+	"û" = RADIO_CHANNEL_SECURITY,
-	"ã" = "Supply",
+	"ã" = RADIO_CHANNEL_SUPPLY,
-	"ì" = "Service",
+	"ì" = RADIO_CHANNEL_SERVICE,
 
 	// Faction
-	"å" = "Syndicate",
+	"å" = RADIO_CHANNEL_SYNDICATE,
-	"í" = "CentCom",
+	"í" = RADIO_CHANNEL_CENTCOM,
 
 	// Admin
 	"ç" = "admin",
 	"â" = "deadmin",
 
 	// Misc
-	"ù" = "AI Private",
+	"ù" = RADIO_CHANNEL_AI_PRIVATE,
 	"÷" = "cords"
 ))
 

code/modules/mob/living/simple_animal/bot/bot.dm

@@ -58,7 +58,7 @@
 	var/mob/living/silicon/ai/calling_ai //Links a bot to the AI calling it.
 	var/obj/item/radio/Radio //The bot's radio, for speaking to people.
 	var/radio_key = null //which channels can the bot listen to
-	var/radio_channel = "Common" //The bot's default radio channel
+	var/radio_channel = RADIO_CHANNEL_COMMON //The bot's default radio channel
 	var/auto_patrol = 0// set to make bot automatically patrol
 	var/turf/patrol_target	// this is turf to navigate to (location of beacon)
 	var/turf/summon_target	// The turf of a user summoning a bot.

code/modules/mob/living/simple_animal/bot/cleanbot.dm

@@ -9,7 +9,7 @@
 	health = 25
 	maxHealth = 25
 	radio_key = /obj/item/encryptionkey/headset_service
-	radio_channel = "Service" //Service
+	radio_channel = RADIO_CHANNEL_SERVICE //Service
 	bot_type = CLEAN_BOT
 	model = "Cleanbot"
 	bot_core_type = /obj/machinery/bot_core/cleanbot

code/modules/mob/living/simple_animal/bot/ed209bot.dm

@@ -13,7 +13,7 @@
 	mob_size = MOB_SIZE_LARGE
 
 	radio_key = /obj/item/encryptionkey/headset_sec
-	radio_channel = "Security"
+	radio_channel = RADIO_CHANNEL_SECURITY
 	bot_type = SEC_BOT
 	model = "ED-209"
 	bot_core = /obj/machinery/bot_core/secbot

code/modules/mob/living/simple_animal/bot/floorbot.dm

@@ -11,7 +11,7 @@
 	spacewalk = TRUE
 
 	radio_key = /obj/item/encryptionkey/headset_eng
-	radio_channel = "Engineering"
+	radio_channel = RADIO_CHANNEL_ENGINEERING
 	bot_type = FLOOR_BOT
 	model = "Floorbot"
 	bot_core = /obj/machinery/bot_core/floorbot

code/modules/mob/living/simple_animal/bot/honkbot.dm

@@ -11,7 +11,7 @@
 	pass_flags = PASSMOB
 
 	radio_key = /obj/item/encryptionkey/headset_service //doesn't have security key
-	radio_channel = "Service" //Doesn't even use the radio anyway.
+	radio_channel = RADIO_CHANNEL_SERVICE //Doesn't even use the radio anyway.
 	bot_type = HONK_BOT
 	model = "Honkbot"
 	bot_core_type = /obj/machinery/bot_core/honkbot

code/modules/mob/living/simple_animal/bot/medbot.dm

@@ -17,7 +17,7 @@
 	status_flags = (CANPUSH | CANSTUN)
 
 	radio_key = /obj/item/encryptionkey/headset_med
-	radio_channel = "Medical"
+	radio_channel = RADIO_CHANNEL_MEDICAL
 
 	bot_type = MED_BOT
 	model = "Medibot"

code/modules/mob/living/simple_animal/bot/mulebot.dm

@@ -23,7 +23,7 @@
 	mob_size = MOB_SIZE_LARGE
 
 	radio_key = /obj/item/encryptionkey/headset_cargo
-	radio_channel = "Supply"
+	radio_channel = RADIO_CHANNEL_SUPPLY
 
 	bot_type = MULE_BOT
 	model = "MULE"
@@ -580,7 +580,7 @@
 // called when bot reaches current target
 /mob/living/simple_animal/bot/mulebot/proc/at_target()
 	if(!reached_target)
-		radio_channel = "Supply" //Supply channel
+		radio_channel = RADIO_CHANNEL_SUPPLY //Supply channel
 		audible_message("[src] makes a chiming sound!", "<span class='italics'>You hear a chime.</span>")
 		playsound(loc, 'sound/machines/chime.ogg', 50, 0)
 		reached_target = 1
@@ -591,7 +591,7 @@
 				to_chat(calling_ai, "<span class='notice'>[icon2html(src, calling_ai)] [src] wirelessly plays a chiming sound!</span>")
 				playsound(calling_ai, 'sound/machines/chime.ogg',40, 0)
 				calling_ai = null
-				radio_channel = "AI Private" //Report on AI Private instead if the AI is controlling us.
+				radio_channel = RADIO_CHANNEL_AI_PRIVATE //Report on AI Private instead if the AI is controlling us.
 
 		if(load)		// if loaded, unload at target
 			if(report_delivery)

code/modules/mob/living/simple_animal/bot/secbot.dm

@@ -11,7 +11,7 @@
 	pass_flags = PASSMOB
 
 	radio_key = /obj/item/encryptionkey/secbot //AI Priv + Security
-	radio_channel = "Security" //Security channel
+	radio_channel = RADIO_CHANNEL_SECURITY //Security channel
 	bot_type = SEC_BOT
 	model = "Securitron"
 	bot_core_type = /obj/machinery/bot_core/secbot
@@ -61,7 +61,7 @@
 /mob/living/simple_animal/bot/secbot/pingsky
 	name = "Officer Pingsky"
 	desc = "It's Officer Pingsky! Delegated to satellite guard duty for harbouring anti-human sentiment."
-	radio_channel = "AI Private"
+	radio_channel = RADIO_CHANNEL_AI_PRIVATE
 
 /mob/living/simple_animal/bot/secbot/Initialize()
 	. = ..()

code/modules/mob/living/simple_animal/parrot.dm

@@ -250,23 +250,23 @@
 						clearlist(available_channels)
 						for(var/ch in headset_to_add.channels)
 							switch(ch)
-								if("Engineering")
+								if(RADIO_CHANNEL_ENGINEERING)
-									available_channels.Add(":e")
+									available_channels.Add(RADIO_TOKEN_ENGINEERING)
-								if("Command")
+								if(RADIO_CHANNEL_COMMAND)
-									available_channels.Add(":c")
+									available_channels.Add(RADIO_TOKEN_COMMAND)
-								if("Security")
+								if(RADIO_CHANNEL_SECURITY)
-									available_channels.Add(":s")
+									available_channels.Add(RADIO_TOKEN_SECURITY)
-								if("Science")
+								if(RADIO_CHANNEL_SCIENCE)
-									available_channels.Add(":n")
+									available_channels.Add(RADIO_TOKEN_SCIENCE)
-								if("Medical")
+								if(RADIO_CHANNEL_MEDICAL)
-									available_channels.Add(":m")
+									available_channels.Add(RADIO_TOKEN_MEDICAL)
-								if("Supply")
+								if(RADIO_CHANNEL_SUPPLY)
-									available_channels.Add(":u")
+									available_channels.Add(RADIO_TOKEN_SUPPLY)
-								if("Service")
+								if(RADIO_CHANNEL_SERVICE)
-									available_channels.Add(":v")
+									available_channels.Add(RADIO_TOKEN_SERVICE)
 
 						if(headset_to_add.translate_binary)
-							available_channels.Add(":b")
+							available_channels.Add(RADIO_TOKEN_BINARY)
 		else
 			..()