Port DmIcon & Image components from TG (#26623)

* Port DmIcon & Image components from TG

* Documentation

* Uh oh

* I hate it

* I will bang you

code/modules/asset_cache/assets/asset_icon_ref_map.dm

@@ -0,0 +1,28 @@
+/// Maps icon names to ref values
+/datum/asset/json/icon_ref_map
+	name = "icon_ref_map"
+	early = TRUE
+
+/datum/asset/json/icon_ref_map/generate()
+	var/list/data = list() //"icons/obj/drinks.dmi" => "[0xc000020]"
+
+	//var/start = "0xc000000"
+	var/value = 0
+
+	while(TRUE)
+		value += 1
+		var/ref = "\[0xc[num2text(value,6,16)]\]"
+		var/mystery_meat = locate(ref)
+
+		if(isicon(mystery_meat))
+			if(!isfile(mystery_meat)) // Ignore the runtime icons for now
+				continue
+			var/path = get_icon_dmi_path(mystery_meat) //Try to get the icon path
+			if(path)
+				data[path] = ref
+		else if(mystery_meat)
+			continue; //Some other non-icon resource, ogg/json/whatever
+		else //Out of resources end this, could also try to end this earlier as soon as runtime generated icons appear but eh
+			break;
+
+	return data

code/modules/asset_cache/assets/asset_prize_counter.dm

@@ -1,13 +0,0 @@
-/datum/asset/spritesheet/prize_counter
-	name = "prize_counter"
-
-/datum/asset/spritesheet/prize_counter/create_spritesheets()
-	for(var/datum/prize_item/prize in GLOB.global_prizes.prizes)
-		var/obj/item/prize_item = prize.typepath
-		var/prize_icon = icon(icon = initial(prize_item.icon), icon_state = initial(prize_item.icon_state))
-		var/imgid = replacetext(replacetext("[prize_item]", "/obj/item/", ""), "/", "-")
-		Insert(imgid, prize_icon)
-
-/datum/asset/spritesheet/prize_counter/ModifyInserted(icon/pre_asset)
-	pre_asset.Scale(64, 64)
-	return pre_asset