Function UpdateTownMaxPass

src/town_cmd.cpp:2003–2020

* Update the maximum amount of monthly passengers and mail for a town, based on its population. * @param t The town to update. */

 * @param t The town to update.
 */
void UpdateTownMaxPass(Town *t)
{
	for (const CargoSpec *cs : CargoSpec::town_production_cargoes[TPE_PASSENGERS]) {
		uint32_t production = ScaleByCargoScale(t->cache.population >> 3, true);
		if (production == 0) continue;

		auto &supplied = t->GetOrCreateCargoSupplied(cs->Index());
		supplied.history[LAST_MONTH].production = production;
	}

	for (const CargoSpec *cs : CargoSpec::town_production_cargoes[TPE_MAIL]) {
		uint32_t production = ScaleByCargoScale(t->cache.population >> 4, true);
		if (production == 0) continue;

		auto &supplied = t->GetOrCreateCargoSupplied(cs->Index());
		supplied.history[LAST_MONTH].production = production;
	}
}

static void UpdateTownGrowthRate(Town *t);
static void UpdateTownGrowth(Town *t);