Function RoadVehSetRandomDirection

src/roadveh_cmd.cpp:505–517

}

static void RoadVehSetRandomDirection(RoadVehicle *v)
{
	static const DirDiff delta[] = {
		DIRDIFF_45LEFT, DIRDIFF_SAME, DIRDIFF_SAME, DIRDIFF_45RIGHT
	};

	do {
		uint32_t r = Random();

		v->direction = ChangeDir(v->direction, delta[r & 3]);
		v->UpdateViewport(true, true);
	} while ((v = v->Next()) != nullptr);
}

/**
 * Road vehicle chain has crashed.