int egg_preconditions()
{
    int required_resupplies;
    int chance_of_occuring;
    int rand;

    // Has the mission already been played?
    // stat 15476 is a boolean flag which is set once the mission is triggered (we believe)
    // if that flag has been set, return false
    if (get_stat_bool(15476, -1, -1))
    {
        return 0;
    }

    // Has the player completed 600 resupplies
    required_resupplies = Global_262145.f_14865; /* 600 */
    if (get_gunrunning_stat(get_mp_character(), 5) < required_resupplies)
    {
        return 0;
    }

    // Is the time between 2100 and 2300?
    if (Global_2445989.f_3066.f_174 < Global_262145.f_14866 || Global_2445989.f_3066.f_174 >= Global_262145.f_14867)
    {
        return 0;
    }

    // This global value is set to 100 by default, but it's a tunable value.
    // It's effectively a % chance of occuring. The value is currently always 100 so it always passes.
    chance_of_occuring = Global_262145.f_14868;
    rand = GAMEPLAY::GET_RANDOM_INT_IN_RANGE(1, 100);
    if (rand > chance_of_occuring)
    {
        return 0;
    }

    // If all of the above conditions are met, the mission is entered into the regular rotation
    return 1;
}