[ready]Makes bIcon better

code/modules/client/asset_cache.dm

@@ -138,6 +138,13 @@ You can set verify to TRUE if you want send() to sleep until the client has the
 /proc/register_asset(var/asset_name, var/asset)
 	SSassets.cache[asset_name] = asset
 
+//Generated names do not include file extention.
+//Used mainly for code that deals with assets in a generic way
+//The same asset will always lead to the same asset name
+/proc/generate_asset_name(var/file)
+	return "asset.[md5(fcopy_rsc(file))]"
+
+
 //These datums are used to populate the asset cache, the proc "register()" does this.
 
 //all of our asset datums, used for referring to these later
@@ -170,6 +177,33 @@ GLOBAL_LIST_EMPTY(asset_datums)
 	send_asset_list(client,assets,verify)
 
 
+//Generates assets based on iconstates of a single icon
+/datum/asset/simple/icon_states
+	var/icon
+	var/direction = SOUTH
+	var/frame = 1
+	var/movement_states = FALSE
+
+	var/prefix = "default" //asset_name = "[prefix].[icon_state_name].png"
+	var/generic_icon_names = FALSE //generate icon filenames using generate_asset_name() instead the above format
+
+	verify = FALSE
+
+/datum/asset/simple/icon_states/register()
+	for(var/icon_state_name in icon_states(icon))
+		var/asset = icon(icon, icon_state_name, direction, frame, movement_states)
+		if (!asset)
+			continue
+		asset = fcopy_rsc(asset) //dedupe
+		var/asset_name = sanitize_filename("[prefix].[icon_state_name].png")
+		if (generic_icon_names)
+			asset_name = "[generate_asset_name(asset)].png"
+
+		assets[asset_name] = asset
+
+	..()
+
+
 //DEFINITIONS FOR ASSET DATUMS START HERE.
 
 /datum/asset/simple/tgui
@@ -306,3 +340,14 @@ GLOBAL_LIST_EMPTY(asset_datums)
 	for(var/path in typesof(/datum/html_interface))
 		var/datum/html_interface/hi = new path()
 		hi.registerResources()
+
+//this exists purely to avoid meta by pre-loading all language icons.
+/datum/asset/language/register()
+	for(var/path in typesof(/datum/language))
+		set waitfor = FALSE
+		var/datum/language/L = new path ()
+		L.get_icon()
+
+/datum/asset/simple/icon_states/emojis
+	icon = 'icons/emoji.dmi'
+	generic_icon_names = TRUE