Method UpdateAfterLoad

src/group_cmd.cpp:120–145

* Update all caches after loading a game, changing NewGRF, etc. */ static */

 * Update all caches after loading a game, changing NewGRF, etc.
 */
/* static */ void GroupStatistics::UpdateAfterLoad()
{
	/* Set up the engine count for all companies */
	for (Company *c : Company::Iterate()) {
		for (VehicleType type = VEH_BEGIN; type < VEH_COMPANY_END; type++) {
			c->group_all[type].Clear();
			c->group_default[type].Clear();
		}
	}

	/* Recalculate */
	for (Group *g : Group::Iterate()) {
		g->statistics.Clear();
	}

	for (const Vehicle *v : Vehicle::Iterate()) {
		if (!v->IsEngineCountable()) continue;

		GroupStatistics::CountEngine(v, 1);
		if (v->IsPrimaryVehicle()) GroupStatistics::CountVehicle(v, 1);
	}

	for (const Company *c : Company::Iterate()) {
		GroupStatistics::UpdateAutoreplace(c->index);
	}
}

/**
 * Update num_vehicle when adding or removing a vehicle.