localuser.lua

-- make all unbound vars of the form rNN resolve to level.rings[NN]
mt={}
mt.__index=function (t, k) 
    local r, rindex = string.find(k, "r%d", 0)
    rindex = rindex and tonumber(string.sub(k, rindex))

    if rindex then
        return level.rings[rindex]
    else
        return nil
    end
end
setmetatable(_G, mt)