Gearbox = class("Gearbox")

function Gearbox:initialize(options)
    options = options or {}

    self.ratios = options.Ratios
    self.finalDrive = options.FinalDrive
    self.reverse = options.Reverse

    self.gear = 0

    self._linkedDiffs = {}
    self._clutch = nil
end

function Gearbox:linkDiff(diff)
    table.insert(self._linkedDiffs, diff)
end

function Gearbox:shift(dir)

end

function Gearbox:setGear(gear)
    if gear >= -1 and gear <= #self.ratios then
        self.gear = gear
    end
end

function Gearbox:linkClutch(clutch)
    self._clutch = clutch
    clutch:linkGearbox(self)
end

function Gearbox:update()

end