--> GMod 13 Beta <--
--> Inherited from Old Age 2 scripts made by The Maw. <--

local meta = FindMetaTable("Player")

if (SERVER) then
    util.AddNetworkString("SetXP")
    util.AddNetworkString("SetupLeveling")
    util.AddNetworkString("SetLevel")

    function meta:AddXP(xp)
        if (!self.xp) then self.xp = 0 end
        if (!self.Level) then self.Level = 1 end

        self.xp = self.xp + xp

        self:RecalcLevel()

        net.Start("SetXP")
            net.WriteEntity(self)
            net.WriteLong(self.xp)
        net.Broadcast() --Think ill be sending this to everyone :)
    end

    function meta:SetupPlayer(xp,level)
        net.Start("SetupLeveling")
            net.WriteEntity(self)
            net.WriteLong(xp)
            net.WriteByte(level)
        net.Broadcast()

        self.xp     = xp
        self.Level  = level
    end



    function meta:RecalcLevel()
        if (!self.xp) then return 1 end
        if (!self.Level) then self.Level = 1 end

        local Level = self.Level

        repeat
            local XP = 178 + Level^2 * (22*Level)

            if (self.xp >= XP) then Level = Level+1 self.xp = self.xp-XP end
        until (self.xp < XP or Level > 90)

        if (Level != self.Level) then
            self:AddNote("Level up! :D")
            self.Level = Level

            net.Start("SetLevel")
                net.WriteEntity(self)
                net.WriteByte(self.Level)
            net.Broadcast()

            --LEVELUP!
        end
    end
else
    net.Receive("SetXP",function(size) net.ReadEntity().xp = net.ReadLong() end)
    net.Receive("SetLevel",function(size) net.ReadEntity().Level = net.ReadByte() end)

    net.Receive("SetupLeveling",function(size)
        local Ply   = net.ReadEntity()

        Ply.xp      = net.ReadLong()
        Ply.Level   = net.ReadByte()
    end)
end

function meta:GetXP()
    return self.xp or 0
end

function meta:GetLevel()
    return self.Level or 1
end

function meta:GetRequiredXP()
    local Level = self:GetLevel()
    return (178 + Level^2 * (22*Level))
end