Clean up file management

XP data is now saved to one file per player

xp.lua

@@ -1,35 +1,39 @@
 --File Manipulating
-specialties.writeXP = function(player, specialty, amount)
-	local file = io.open(minetest.get_worldpath().."/"..player.."_"..specialty, "w")
-	file:write(tostring(amount))
+specialties.writeXP = function(name)
+	local file = io.open(minetest.get_worldpath().."/"..name.."_XP", "w")
+	for skill,_ in pairs(specialties.players[name]) do
+		file:write(skill.." "..tostring(specialties.players[name][skill]).."\n")
+	end
 	file:close()
 end
-specialties.readXP = function(player, specialty)
-	local file = io.open(minetest.get_worldpath().."/"..player.."_"..specialty, "r")
+specialties.readXP = function(name, specialty)
+	local file = io.open(minetest.get_worldpath().."/"..name.."_XP", "r")
 	if file == nil then
-		specialties.writeXP(player, specialty, 0)
-		return 0
+		specialties.writeXP(name)
+		local empty = {}
+		for skill,_ in pairs(specialties.skills) do
+			empty[skill] = 0
+		end
+		return empty
+	end
+	local xp = {}
+	local line = file:read("*l")
+	while line ~= nil do
+		local params = line:split(" ")
+		xp[params[1]] = tonumber(params[2])
+		line = file:read("*l")
 	end
-	local xp = file:read("*number")
 	file:close()
 	return xp
 end
 
 --Table Modification
-specialties.changeXP = function(player, specialty, amount)
-	local current = specialties.players[player][specialty]
+specialties.changeXP = function(name, specialty, amount)
+	local current = specialties.players[name][specialty]
 	if current+amount >= 0 then
-		specialties.players[player][specialty] = current+amount
-		print(specialties.players[player][specialty])
+		specialties.players[name][specialty] = current+amount
 		return true
 	else
 		return false
 	end
-end
-
---XP Updates
-specialties.updateXP = function(player)--Called every 10 seconds
-	for skill,_ in pairs(specialties.skills) do
-		specialties.writeXP(player, skill, specialties.players[player][skill])
-	end
 end