Merge pull request #11021 from Ghommie/Ghommie-cit571

Porting tgs DMAPI and script updates, getrev updates and OoM errors handling.

code/__HELPERS/unsorted.dm

@@ -1543,3 +1543,25 @@ GLOBAL_DATUM_INIT(dview_mob, /mob/dview, new)
 	for(var/each_item in items_list)
 		for(var/i in 1 to items_list[each_item])
 			new each_item(where_to)
+
+//sends a message to chat
+//config_setting should be one of the following
+//null - noop
+//empty string - use TgsTargetBroadcast with admin_only = FALSE
+//other string - use TgsChatBroadcast with the tag that matches config_setting, only works with TGS4, if using TGS3 the above method is used
+/proc/send2chat(message, config_setting)
+	if(config_setting == null || !world.TgsAvailable())
+		return
+	var/datum/tgs_version/version = world.TgsVersion()
+	if(config_setting == "" || version.suite == 3)
+		world.TgsTargetedChatBroadcast(message, FALSE)
+		return
+
+	var/list/channels_to_use = list()
+	for(var/I in world.TgsChatChannelInfo())
+		var/datum/tgs_chat_channel/channel = I
+		if(channel.tag == config_setting)
+			channels_to_use += channel
+
+	if(channels_to_use.len)
+		world.TgsChatBroadcast()