Runescape Style Chat.

Orginal: https://github.com/tgstation/tgstation/pull/50608

code/modules/client/client_defines.dm

@@ -15,6 +15,8 @@
 	var/last_message	= "" //Contains the last message sent by this client - used to protect against copy-paste spamming.
 	var/last_message_count = 0 //contins a number of how many times a message identical to last_message was sent.
 	var/ircreplyamount = 0
+	/// Messages currently seen by this client
+	var/list/seen_messages
 
 		/////////
 		//OTHER//

code/modules/client/client_procs.dm

@@ -458,6 +458,7 @@ GLOBAL_LIST_EMPTY(external_rsc_urls)
 	if(movingmob != null)
 		movingmob.client_mobs_in_contents -= mob
 		UNSETEMPTY(movingmob.client_mobs_in_contents)
+	seen_messages = null
 	Master.UpdateTickRate()
 	return ..()
 

code/modules/client/preferences.dm

@@ -45,6 +45,9 @@ GLOBAL_LIST_EMPTY(preferences_datums)
 	var/UI_style = null
 	var/buttons_locked = FALSE
 	var/hotkeys = FALSE
+	var/chat_on_map = TRUE
+	var/max_chat_length = CHAT_MESSAGE_MAX_LENGTH
+	var/see_chat_non_mob = TRUE
 	var/tgui_fancy = TRUE
 	var/tgui_lock = TRUE
 	var/windowflashing = TRUE
@@ -819,6 +822,9 @@ GLOBAL_LIST_EMPTY(preferences_datums)
 			dat += "<b>UI Style:</b> <a href='?_src_=prefs;task=input;preference=ui'>[UI_style]</a><br>"
 			dat += "<b>tgui Monitors:</b> <a href='?_src_=prefs;preference=tgui_lock'>[(tgui_lock) ? "Primary" : "All"]</a><br>"
 			dat += "<b>tgui Style:</b> <a href='?_src_=prefs;preference=tgui_fancy'>[(tgui_fancy) ? "Fancy" : "No Frills"]</a><br>"
+			dat += "<b>Show Runechat Chat Bubbles:</b> <a href='?_src_=prefs;preference=chat_on_map'>[chat_on_map ? "Enabled" : "Disabled"]</a><br>"
+			dat += "<b>Runechat message char limit:</b> <a href='?_src_=prefs;preference=max_chat_length;task=input'>[max_chat_length]</a><br>"
+			dat += "<b>See Runechat for non-mobs:</b> <a href='?_src_=prefs;preference=see_chat_non_mob'>[see_chat_non_mob ? "Enabled" : "Disabled"]</a><br>"
 			dat += "<br>"
 			dat += "<b>Action Buttons:</b> <a href='?_src_=prefs;preference=action_buttons'>[(buttons_locked) ? "Locked In Place" : "Unlocked"]</a><br>"
 			dat += "<b>Keybindings:</b> <a href='?_src_=prefs;preference=hotkeys'>[(hotkeys) ? "Hotkeys" : "Default"]</a><br>"
@@ -2151,6 +2157,10 @@ GLOBAL_LIST_EMPTY(preferences_datums)
 					var/pickedPDASkin = input(user, "Choose your PDA reskin.", "Character Preference", pda_skin) as null|anything in GLOB.pda_reskins
 					if(pickedPDASkin)
 						pda_skin = pickedPDASkin
+				if ("max_chat_length")
+					var/desiredlength = input(user, "Choose the max character length of shown Runechat messages. Valid range is 1 to [CHAT_MESSAGE_MAX_LENGTH] (default: [initial(max_chat_length)]))", "Character Preference", max_chat_length)  as null|num
+					if (!isnull(desiredlength))
+						max_chat_length = clamp(desiredlength, 1, CHAT_MESSAGE_MAX_LENGTH)
 
 		else
 			switch(href_list["preference"])
@@ -2236,6 +2246,10 @@ GLOBAL_LIST_EMPTY(preferences_datums)
 						winset(user, null, "input.focus=true input.background-color=[COLOR_INPUT_ENABLED] mainwindow.macro=old_default")
 				if("action_buttons")
 					buttons_locked = !buttons_locked
+				if("chat_on_map")
+					chat_on_map = !chat_on_map
+				if("see_chat_non_mob")
+					see_chat_non_mob = !see_chat_non_mob
 				if("tgui_fancy")
 					tgui_fancy = !tgui_fancy
 				if("tgui_lock")

code/modules/client/preferences_savefile.dm

@@ -100,6 +100,10 @@ SAVEFILE UPDATING/VERSIONING - 'Simplified', or rather, more coder-friendly ~Car
 	S["inquisitive_ghost"]	>> inquisitive_ghost
 	S["uses_glasses_colour"]>> uses_glasses_colour
 	S["clientfps"]			>> clientfps
+	S["chat_on_map"]		>> chat_on_map
+	S["max_chat_length"]	>> max_chat_length
+	S["see_chat_non_mob"] 	>> see_chat_non_mob
+
 
 	S["parallax"]			>> parallax
 	S["ambientocclusion"]	>> ambientocclusion
@@ -129,6 +133,9 @@ SAVEFILE UPDATING/VERSIONING - 'Simplified', or rather, more coder-friendly ~Car
 	lastchangelog	= sanitize_text(lastchangelog, initial(lastchangelog))
 	UI_style		= sanitize_inlist(UI_style, GLOB.available_ui_styles, GLOB.available_ui_styles[1])
 	hotkeys			= sanitize_integer(hotkeys, 0, 1, initial(hotkeys))
+	chat_on_map		= sanitize_integer(chat_on_map, 0, 1, initial(chat_on_map))
+	max_chat_length = sanitize_integer(max_chat_length, 1, CHAT_MESSAGE_MAX_LENGTH, initial(max_chat_length))
+	see_chat_non_mob	= sanitize_integer(see_chat_non_mob, 0, 1, initial(see_chat_non_mob))
 	tgui_fancy		= sanitize_integer(tgui_fancy, 0, 1, initial(tgui_fancy))
 	tgui_lock		= sanitize_integer(tgui_lock, 0, 1, initial(tgui_lock))
 	buttons_locked	= sanitize_integer(buttons_locked, 0, 1, initial(buttons_locked))
@@ -180,6 +187,9 @@ SAVEFILE UPDATING/VERSIONING - 'Simplified', or rather, more coder-friendly ~Car
 	WRITE_FILE(S["lastchangelog"], lastchangelog)
 	WRITE_FILE(S["UI_style"], UI_style)
 	WRITE_FILE(S["hotkeys"], hotkeys)
+	WRITE_FILE(S["chat_on_map"], chat_on_map)
+	WRITE_FILE(S["max_chat_length"], max_chat_length)
+	WRITE_FILE(S["see_chat_non_mob"], see_chat_non_mob)
 	WRITE_FILE(S["tgui_fancy"], tgui_fancy)
 	WRITE_FILE(S["tgui_lock"], tgui_lock)
 	WRITE_FILE(S["buttons_locked"], buttons_locked)