Function RerouteCargo

src/station_cmd.cpp:4144–4158

* Reroute cargo of type c at station st or in any vehicles unloading there. * Make sure the cargo's new next hop is neither "avoid" nor "avoid2". * @param st Station to be rerouted at. * @param cargo Type of cargo. * @param avoid Original next hop of cargo, avoid this. * @param avoid2 Another station to be avoided when rerouting. */

 * @param avoid2 Another station to be avoided when rerouting.
 */
void RerouteCargo(Station *st, CargoType cargo, StationID avoid, StationID avoid2)
{
	GoodsEntry &ge = st->goods[cargo];

	/* Reroute cargo in station. */
	if (ge.HasData()) ge.GetData().cargo.Reroute(UINT_MAX, &ge.GetData().cargo, avoid, avoid2, &ge);

	/* Reroute cargo staged to be transferred. */
	for (Vehicle *v : st->loading_vehicles) {
		for (Vehicle *u = v; u != nullptr; u = u->Next()) {
			if (u->cargo_type != cargo) continue;
			u->cargo.Reroute(UINT_MAX, &u->cargo, avoid, avoid2, &ge);
		}
	}
}

/**
 * Check all next hops of cargo packets in this station for existence of a