Function UpdateIndustryStatistics

src/industry_cmd.cpp:2566–2586

* Monthly update of industry statistics. * @param i Industry to update. */

 * @param i Industry to update.
 */
static void UpdateIndustryStatistics(Industry *i)
{
	auto month = TimerGameEconomy::month;
	UpdateValidHistory(i->valid_history, HISTORY_YEAR, month);

	for (auto &p : i->produced) {
		if (IsValidCargoType(p.cargo)) {
			if (p.history[THIS_MONTH].production != 0) i->last_prod_year = TimerGameEconomy::year;

			RotateHistory(p.history, i->valid_history, HISTORY_YEAR, month);
		}
	}

	for (auto &a : i->accepted) {
		if (!IsValidCargoType(a.cargo)) continue;
		if (a.history == nullptr) continue;

		(*a.history)[THIS_MONTH].waiting = GetAndResetAccumulatedAverage<uint16_t>(a.accumulated_waiting);
		RotateHistory(*a.history, i->valid_history, HISTORY_YEAR, month);
	}
}

/**
 * Recompute #production_rate for current #prod_level.