Ports "Cleans up saycode by removing random hook stubs and using a signal where relevant"

code/datums/brain_damage/brain_trauma.dm

@@ -32,16 +32,18 @@
 //Called when given to a mob
 /datum/brain_trauma/proc/on_gain()
 	to_chat(owner, gain_text)
+	RegisterSignal(owner, COMSIG_MOB_SAY, .proc/handle_speech)
 
 //Called when removed from a mob
 /datum/brain_trauma/proc/on_lose(silent)
 	if(!silent)
 		to_chat(owner, lose_text)
+	UnregisterSignal(owner, COMSIG_MOB_SAY)
 
 //Called when hearing a spoken message
 /datum/brain_trauma/proc/on_hear(message, speaker, message_language, raw_message, radio_freq)
 	return message
 
 //Called when speaking
-/datum/brain_trauma/proc/on_say(message)
-	return message
+/datum/brain_trauma/proc/handle_speech(datum/source, list/speech_args)
+	UnregisterSignal(owner, COMSIG_MOB_SAY)

code/datums/brain_damage/mild.dm

@@ -68,18 +68,12 @@
 	lose_text = ""
 
 /datum/brain_trauma/mild/speech_impediment/on_gain()
-	owner.dna.add_mutation(UNINTELLIGIBLE)
-	..()
-
-//no fiddling with genetics to get out of this one
-/datum/brain_trauma/mild/speech_impediment/on_life()
-	if(!(GLOB.mutations_list[UNINTELLIGIBLE] in owner.dna.mutations))
-		on_gain()
-	..()
+	ADD_TRAIT(owner, TRAIT_UNINTELLIGIBLE_SPEECH, TRAUMA_TRAIT)
+	. = ..()
 
 /datum/brain_trauma/mild/speech_impediment/on_lose()
-	owner.dna.remove_mutation(UNINTELLIGIBLE)
-	..()
+	REMOVE_TRAIT(owner, TRAIT_UNINTELLIGIBLE_SPEECH, TRAUMA_TRAIT)
+	. = ..()
 
 /datum/brain_trauma/mild/concussion
 	name = "Concussion"

code/datums/brain_damage/phobia.dm

@@ -78,14 +78,13 @@
 			break
 	return message
 
-/datum/brain_trauma/mild/phobia/on_say(message)
+/datum/brain_trauma/mild/phobia/handle_speech(datum/source, list/speech_args)
 	for(var/word in trigger_words)
 		var/reg = regex("(\\b|\\A)[REGEX_QUOTE(word)]'?s*(\\b|\\Z)", "i")
 
-		if(findtext(message, reg))
+		if(findtext(speech_args[SPEECH_MESSAGE], reg))
 			to_chat(owner, "<span class='warning'>You can't bring yourself to say the word \"[word]\"!</span>")
-			return ""
-	return message
+			speech_args[SPEECH_MESSAGE] = ""
 
 /datum/brain_trauma/mild/phobia/proc/freak_out(atom/reason, trigger_word)
 	next_scare = world.time + 120

code/datums/brain_damage/split_personality.dm

@@ -199,10 +199,9 @@
 		addtimer(CALLBACK(src, /datum/brain_trauma/severe/split_personality.proc/switch_personalities), 10)
 	return message
 
-/datum/brain_trauma/severe/split_personality/brainwashing/on_say(message)
-	if(findtext(message, codeword))
-		return "" //oh hey did you want to tell people about the secret word to bring you back?
-	return message
+/datum/brain_trauma/severe/split_personality/brainwashing/handle_speech(datum/source, list/speech_args)
+	if(findtext(speech_args[SPEECH_MESSAGE], codeword))
+		speech_args[SPEECH_MESSAGE] = "" //oh hey did you want to tell people about the secret word to bring you back?
 
 /mob/living/split_personality/traitor
 	name = "split personality"