// Examine cargo types of the game.
function FMainClass::ExamineCargoes()
{
    this.cargoes = {};
    this.num_cargoes = 0;

    for (local cid = 0; cid < 32; cid += 1) {
        if (!GSCargo.IsValidCargo(cid)) continue;

        local is_freight = GSCargo.IsFreight(cid);
        local town_effect = GSCargo.GetTownEffect(cid);
        cargoes[num_cargoes] <- {cid=cid, freight=is_freight, effect=town_effect};
        num_cargoes += 1;
    }
}