focus requirements in wand description

storage.lua

@@ -9,18 +9,16 @@
 	}
 ]]
 
+-- Modstorage
+local storage = minetest.get_mod_storage()
+
 -- Memory cache
 magicalities.data = {}
 
 function magicalities.load_player_data(player_name)
-	local world     = minetest.get_worldpath()
+	local stdata = minetest.deserialize(storage:get_string(player_name))
-	local directory = world.."/magicalities"
-	minetest.mkdir(directory)
 
-	local filetag = player_name..".info.json"
+	if not stdata then
-	local file = io.open(directory.."/"..filetag)
-	
-	if not file then
 		magicalities.data[player_name] = {
 			recipes = {},
 			abilities = {},
@@ -30,27 +28,19 @@ function magicalities.load_player_data(player_name)
 		return
 	end
 
-	local str = ""
+	magicalities.data[player_name] = stdata
-	for line in file:lines() do
-		str = str..line
-	end
-
-	file:close()
-
-	magicalities.data[player_name] = minetest.deserialize(str)
 end
 
 function magicalities.save_player_data(player_name)
-	if not magicalities.data[player_name] then return nil end
+	if not magicalities.data[player_name] then return end
+	local data = magicalities.data[player_name]
 
-	local world     = minetest.get_worldpath()
+	-- Do not save empty data
-	local directory = world.."/magicalities"
+	if #data.recipes == 0 and #data.abilities == 0 and #data.protect == 0 and data.research == 0 then return end
-	minetest.mkdir(directory)
 
-	local filetag = player_name..".info.json"
+	local str = minetest.serialize(data)
-	local data    = minetest.serialize(magicalities.data[player_name])
 
-	minetest.safe_file_write(directory.."/"..filetag, data)
+	storage:set_string(player_name, str)
 end
 
 function magicalities.save_all_data()

wands.lua

@@ -116,6 +116,9 @@ end
 function magicalities.wands.update_wand_desc(stack)
 	local meta = stack:get_meta()
 	local data_table = minetest.deserialize(meta:get_string("contents"))
+	if not data_table then data_table = {} end
+
+	local focus, fdef = magicalities.wands.get_wand_focus(stack)
 
 	local wanddata    = minetest.registered_items[stack:get_name()]
 	local description = wanddata.description
@@ -127,18 +130,21 @@ function magicalities.wands.update_wand_desc(stack)
 		local dataelem = magicalities.elements[elem]
 		if amount > 0 then
 			if amount < 10 then amount = "0"..amount end
-			elems[#elems + 1] = "["..amount.."/"..capcontents.."] "..
+			local str = "["..amount.."/"..capcontents.."] "
-				minetest.colorize(dataelem.color, dataelem.description)
+			str = str .. minetest.colorize(dataelem.color, dataelem.description)
+			if focus and fdef and fdef['_wand_requirements'] and fdef['_wand_requirements'][elem] ~= nil then
+				str = str .. minetest.colorize("#5716ad", " ("..fdef['_wand_requirements'][elem]..") ")
+			end
+			elems[#elems + 1] = str
 		end
 	end
 
-	local focus, def = magicalities.wands.get_wand_focus(stack)
 	local focusstr = "No Wand Focus"
 	if focus then
-		focusstr = def.description
+		focusstr = fdef.description
 	end
 
-	strbld = strbld .. minetest.colorize("#a070e0", focusstr) .. "\n"
+	strbld = strbld .. minetest.colorize("#5716ad", focusstr) .. "\n"
 	if #elems > 0 then
 		table.sort(elems)
 		strbld = strbld .. "\n" .. table.concat(elems, "\n")