function explode(div,str) -- credit: http://richard.warburton.it
 if (div=='') then return false end
 local pos,arr = 0,{}
 -- for each divider found
 for st,sp in function() return string.find(str,div,pos,true) end do
 table.insert(arr,string.sub(str,pos,st-1)) -- Attach chars left of current divider
 pos = sp + 1 -- Jump past current divider
 end
 table.insert(arr,string.sub(str,pos)) -- Attach chars right of last divider
 return arr
 if (div=='') then return false end
 local pos,arr = 0,{}
 -- for each divider found
 for st,sp in function() return string.find(str,div,pos,true) end do
 table.insert(arr,string.sub(str,pos,st-1)) -- Attach chars left of current divider
 pos = sp + 1 -- Jump past current divider
 end
 table.insert(arr,string.sub(str,pos)) -- Attach chars right of last divider
 return arr
end
function xpPointsToLevels(points)
 local pts = tonumber(points)
 if (pts < 0) then return 0 end
 if (pts <= 272) then return math.floor(pts/17)
 elseif (pts > 272 and pts <= 887) then return math.floor((1/6)*(59+math.sqrt(-5159+(24*pts))))
 else return math.floor((1/14)*(303+math.sqrt(-32511+(56*pts)))) end
 local pts = tonumber(points)
 if (pts < 0) then return 0 end
 if (pts <= 272) then return math.floor(pts/17)
 elseif (pts > 272 and pts <= 887) then return math.floor((1/6)*(59+math.sqrt(-5159+(24*pts))))
 else return math.floor((1/14)*(303+math.sqrt(-32511+(56*pts)))) end
end
rednet.open("back")
@@ -41,22 +41,23 @@ text.setZIndex(101)
while true do
 e,a,b,c = os.pullEvent()
-- print(textutils.serialize({e,a,b,c}))
 if (e == "rednet_message" and string.match(b, "azenet:xp:")) then
 local m = explode(':', b)
 text.setText(xpPointsToLevels(m[3]).." niveaux")
 actualPercentage.setWidth(math.floor((tonumber(m[3])/1980)*(w+4)))
 elseif (e == "rednet_message" and b == "azenet:closexp") then
 text.setColor(0xff1313)
 elseif (e == "rednet_message" and b == "azenet:openxp") then
 text.setColor(0x61903b)
 elseif (e == "chat_command" and b == "azenet" and a == "stopXP") then
 rednet.broadcast("azenet:closexp")
 text.setColor(0xff1313)
 elseif (e == "chat_command" and b == "azenet" and a == "startXP") then
 rednet.broadcast("azenet:openxp")
 text.setColor(0x61903b)
 end
 e,a,b,c = os.pullEvent()
 if (e == "rednet_message" and string.match(b, "azenet:xp:")) then
 local m = explode(':', b)
 text.setText(xpPointsToLevels(m[3]).." niveaux")
 actualPercentage.setWidth(math.floor((tonumber(m[3])/1980)*(w+4)))
 elseif (e == "rednet_message" and b == "azenet:closexp") then
 text.setColor(0xff1313)
 elseif (e == "rednet_message" and b == "azenet:openxp") then
 text.setColor(0x61903b)
 elseif (e == "chat_command" and b == "azenet" and a == "stopXP") then
 rednet.broadcast("azenet:closexp")
 text.setColor(0xff1313)
 elseif (e == "chat_command" and b == "azenet" and a == "startXP") then
 rednet.broadcast("azenet:openxp")
 text.setColor(0x61903b)
 elseif (e == "chat_command" and b == "azenet" and (a == "open" or a == "close")) then
 rednet.send(58, a)
 end
end