Function RoadStopUpdateCachedTriggers

src/newgrf_roadstop.cpp:659–671

* Update the cached animation trigger bitmask for a station. * @param st Station to update. */

 * @param st Station to update.
 */
void RoadStopUpdateCachedTriggers(BaseStation *st)
{
	st->cached_roadstop_anim_triggers = {};
	st->cached_roadstop_cargo_triggers = 0;

	/* Combine animation trigger bitmask for all road stop specs
	 * of this station. */
	for (const auto &sm : GetStationSpecList<RoadStopSpec>(st)) {
		if (sm.spec == nullptr) continue;
		st->cached_roadstop_anim_triggers.Set(sm.spec->animation.triggers);
		st->cached_roadstop_cargo_triggers |= sm.spec->cargo_triggers;
	}
}