Method DEFINE_VMETHOD_INTERPOSE

plugins/siege-engine.cpp:1822–1828

    typedef df::building_siegeenginest interpose_base;

    DEFINE_VMETHOD_INTERPOSE(df::workshop_profile*, getWorkshopProfile, ())
    {
        if (auto engine = find_engine(this))
            return &engine->profile;

        return INTERPOSE_NEXT(getWorkshopProfile)();
    }

    DEFINE_VMETHOD_INTERPOSE(df::stockpile_links*, getStockpileLinks, ())
    {