-- Thanks Pi-C for your help!
return function(mod_name)
    local common = {}

    ------------------------------------------------------------------------------------
    -- Get mod name and path to mod
    common.modName = mod_name
    common.modRoot = "__" .. mod_name .. "__"

    ------------------------------------------------------------------------------------
    -- Enable writing to log file until startup options are set, so debugging output
    -- from the start of a game session can be logged. This depends on a locally
    -- installed dummy mod to allow debugging output during development without
    -- spamming real users.
    ------------------------------------------------------------------------------------
    local function is_debug()
        local debugging
        -- If the "_debug" is active, debugging will always be on. If you don't have this
        -- dummy mod but want to turn on logging anyway, set the default value to "true"!
        local default = false

        if game then
            debugging = game.active_mods["_debug"] and true or default
        elseif mods then
            debugging = mods and mods["_debug"] and true or default
        end
        return debugging
    end

    --------------------------------------------------------------------
    --- DeBug Messages
    common.writeDebug = function(message)
        if is_debug() then
            log(tostring(message))
            if game then
                game.print(tostring(message))
            end
        end
    end

    return common
end