Function building_into_zone_unidir

library/modules/Buildings.cpp:182–187

}

static void building_into_zone_unidir(df::building* bld, df::building_civzonest* zone)
{
    if (linear_index(zone->contained_buildings, bld) >= 0)
        return;
    zone->contained_buildings.push_back(bld);
}

static void zone_into_building_unidir(df::building* bld, df::building_civzonest* zone)
{