Adds Sign Language Quirk (#711)

Co-authored-by: LemonInTheDark <58055496+LemonInTheDark@users.noreply.github.com>
Co-authored-by: Azarak <azarak10@gmail.com>

code/modules/clothing/gloves/miscellaneous.dm

@@ -146,6 +146,12 @@
 	icon_state = "wizard"
 	inhand_icon_state = "purplegloves"
 
+/obj/item/clothing/gloves/radio
+	name = "translation gloves"
+	desc = "A pair of electronic gloves which connect to nearby radios wirelessly. Allows for sign language users to 'speak' over comms."
+	icon_state = "radio_g"
+	inhand_icon_state = "radio_g"
+
 /obj/item/clothing/gloves/color/plasmaman/head_of_personnel
 	name = "head of personnel's envirogloves"
 	desc = "Covers up those scandalous, bony hands. Appears to be an attempt at making a replica of the captain's gloves."

code/modules/mob/living/carbon/carbon_say.dm

@@ -11,7 +11,10 @@
 
 /mob/living/carbon/can_speak_vocal(message)
 	if(silent)
-		return 0
+		if(HAS_TRAIT(src, TRAIT_SIGN_LANG))
+			return ..()
+		else
+			return FALSE
 	return ..()
 
 /mob/living/carbon/could_speak_language(datum/language/language)

code/modules/mob/living/living_say.dm

@@ -222,6 +222,27 @@ GLOBAL_LIST_INIT(department_radio_keys, list(
 
 	var/deaf_message
 	var/deaf_type
+	if(HAS_TRAIT(speaker, TRAIT_SIGN_LANG)) //Checks if speaker is using sign language
+		deaf_message = compose_message(speaker, message_language, raw_message, radio_freq, spans, message_mods)
+		if(speaker != src)
+			if(!radio_freq) //I'm about 90% sure there's a way to make this less cluttered
+				deaf_type = 1
+		else
+			deaf_type = 2
+
+		// Create map text prior to modifying message for goonchat, sign lang edition
+		if (client?.prefs.chat_on_map && !(stat == UNCONSCIOUS || stat == HARD_CRIT) && (client.prefs.see_chat_non_mob || ismob(speaker)))
+			create_chat_message(speaker, message_language, raw_message, spans)
+
+		if(is_blind(src))
+			return FALSE
+
+
+		message = deaf_message
+
+		show_message(message, MSG_VISUAL, deaf_message, deaf_type, avoid_highlighting = speaker == src)
+		return message
+
 	if(speaker != src)
 		if(!radio_freq) //These checks have to be seperate, else people talking on the radio will make "You can't hear yourself!" appear when hearing people over the radio while deaf.
 			deaf_message = "<span class='name'>[speaker]</span> [speaker.verb_say] something but you cannot hear [speaker.p_them()]."
@@ -246,6 +267,24 @@ GLOBAL_LIST_INIT(department_radio_keys, list(
 		eavesdrop_range = EAVESDROP_EXTRA_RANGE
 	var/list/listening = get_hearers_in_view(message_range+eavesdrop_range, source)
 	var/list/the_dead = list()
+	if(HAS_TRAIT(src, TRAIT_SIGN_LANG))
+		var/mob/living/carbon/mute = src
+		if(istype(mute))
+			var/empty_indexes = get_empty_held_indexes() //How many hands the player has empty
+			if(length(empty_indexes) == 1 || !mute.get_bodypart(BODY_ZONE_L_ARM) || !mute.get_bodypart(BODY_ZONE_R_ARM))
+				message = stars(message)
+			if(length(empty_indexes) == 0)//Both hands full, can't sign
+				to_chat(src, "<span class='warning'>You can't sign with your hands full!</span.?>")
+				return FALSE
+			if(!mute.get_bodypart(BODY_ZONE_L_ARM) && !mute.get_bodypart(BODY_ZONE_R_ARM))//Can't sign with no arms!
+				to_chat(src, "<span class='warning'>You can't sign with no hands!</span.?>")
+				return FALSE
+			if(mute.handcuffed)//Can't sign when your hands are cuffed, but can at least make a visual effort to
+				mute.visible_message("<span class='warning'>[src] tries to sign, but can't with [src.p_their()] hands cuffed!</span.?>")
+				return FALSE
+			if(mute.has_status_effect(STATUS_EFFECT_PARALYZED))
+				to_chat(src, "<span class='warning'>You can't sign in this state!</span.?>")
+				return FALSE
 	if(client) //client is so that ghosts don't have to listen to mice
 		for(var/_M in GLOB.player_list)
 			var/mob/M = _M
@@ -303,14 +342,15 @@ GLOBAL_LIST_INIT(department_radio_keys, list(
 	return TRUE
 
 /mob/living/proc/can_speak_vocal(message) //Check AFTER handling of xeno and ling channels
+	var/mob/living/carbon/human/H = src
 	if(HAS_TRAIT(src, TRAIT_MUTE))
-		return FALSE
+		return (HAS_TRAIT(src, TRAIT_SIGN_LANG) && !H.mind.miming) //Makes sure mimes can't speak using sign language
 
 	if(is_muzzled())
-		return FALSE
+		return (HAS_TRAIT(src, TRAIT_SIGN_LANG) && !H.mind.miming)
 
 	if(!IsVocal())
-		return FALSE
+		return (HAS_TRAIT(src, TRAIT_SIGN_LANG) && !H.mind.miming)
 
 	return TRUE
 
@@ -376,9 +416,15 @@ GLOBAL_LIST_INIT(department_radio_keys, list(
 	else if(message_mods[MODE_SING])
 		. = verb_sing
 	else if(stuttering)
-		. = "stammers"
+		if(HAS_TRAIT(src, TRAIT_SIGN_LANG))
+			. = "shakily signs"
+		else
+			. = "stammers"
 	else if(derpspeech)
-		. = "gibbers"
+		if(HAS_TRAIT(src, TRAIT_SIGN_LANG))
+			. = "incoherently signs"
+		else
+			. = "gibbers"
 	else
 		. = ..()
 

code/modules/surgery/organ_manipulation.dm

@@ -119,12 +119,16 @@
 				I = organs[I]
 				if(!I)
 					return -1
+				if(I.organ_flags & ORGAN_UNREMOVABLE)
+					to_chat(user, "<span class='warning'>[I] is too well connected to take out!</span>")
+					return -1
 				display_results(user, target, "<span class='notice'>You begin to extract [I] from [target]'s [parse_zone(target_zone)]...</span>",
 					"<span class='notice'>[user] begins to extract [I] from [target]'s [parse_zone(target_zone)].</span>",
 					"<span class='notice'>[user] begins to extract something from [target]'s [parse_zone(target_zone)].</span>")
 			else
 				return -1
 
+
 /datum/surgery_step/manipulate_organs/success(mob/user, mob/living/carbon/target, target_zone, obj/item/tool, datum/surgery/surgery, default_display_results)
 	if(current_type == "insert")
 		if(istype(tool, /obj/item/organ_storage))

code/modules/surgery/organs/tongue.dm

@@ -318,3 +318,53 @@
 /obj/item/organ/tongue/ethereal/Initialize(mapload)
 	. = ..()
 	languages_possible = languages_possible_ethereal
+
+//Sign Language Tongue - yep, that's how you speak sign language.
+/obj/item/organ/tongue/tied
+	name = "tied tongue"
+	desc = "If only one had a sword so we may finally untie this knot."
+	say_mod = "signs"
+	icon_state = "tonguetied"
+	modifies_speech = TRUE
+	organ_flags = ORGAN_UNREMOVABLE
+
+/obj/item/organ/tongue/tied/Insert(mob/living/carbon/M)
+	. = ..()
+	M.verb_ask = "signs"
+	M.verb_exclaim = "signs"
+	M.verb_whisper = "subtly signs"
+	M.verb_sing = "rythmically signs"
+	M.verb_yell = "emphatically signs"
+	ADD_TRAIT(M, TRAIT_SIGN_LANG, "tongue")
+	REMOVE_TRAIT(M, TRAIT_MUTE, "tongue")
+
+/obj/item/organ/tongue/tied/Remove(mob/living/carbon/M, special = 0)
+	..()
+	M.verb_ask = initial(verb_ask)
+	M.verb_exclaim = initial(verb_exclaim)
+	M.verb_whisper = initial(verb_whisper)
+	M.verb_sing = initial(verb_sing)
+	M.verb_yell = initial(verb_yell)
+	REMOVE_TRAIT(M, TRAIT_SIGN_LANG, "tongue") //People who are Ahealed get "cured" of their sign language-having ways. If I knew how to make the tied tongue persist through aheals, I'd do that.
+
+//Thank you Jwapplephobia for helping me with the literal hellcode below
+
+/obj/item/organ/tongue/tied/handle_speech(datum/source, list/speech_args)
+	var/new_message
+	var/message = speech_args[SPEECH_MESSAGE]
+	var/exclamation_found = findtext(message, "!")
+	var/question_found = findtext(message, "?")
+	var/mob/living/carbon/M = owner
+	new_message = message
+	if(exclamation_found)
+		new_message = replacetext(new_message, "!", "")
+	if(question_found)
+		new_message = replacetext(new_message, "?", "")
+	speech_args[SPEECH_MESSAGE] = new_message
+
+	if(exclamation_found && question_found)
+		M.visible_message("<span class='notice'>[M] lowers one of [M.p_their()] eyebrows, raising the other.</span>")
+	else if(exclamation_found)
+		M.visible_message("<span class='notice'>[M] raises [M.p_their()] eyebrows.</span>")
+	else if(question_found)
+		M.visible_message("<span class='notice'>[M] lowers [M.p_their()] eyebrows.</span>")