template<int frames, unsigned... states>
struct MonsterMountState
{
    std::array<od::Vec2, frames> offsets;
    std::array<unsigned, sizeof...(states)> associated_states;
};

template<typename Monster, typename... States>
struct MonsterMount
{
    std::tuple<States...> states;

    od::Vec2 offset(unsigned state) const
    {
        for(const auto& mount_state: states) {

        }

        return {};
    }
};