Method setSize

library/modules/Buildings.cpp:922–992

}

bool Buildings::setSize(df::building *bld, df::coord2d size, int direction)
{
    CHECK_NULL_POINTER(bld);
    CHECK_INVALID_ARGUMENT(bld->id == -1);

    // Compute correct size and apply it
    df::coord2d old_size = size;
    df::coord2d center;
    getCorrectSize(size, center, bld->getType(), bld->getSubtype(),
                   bld->getCustomType(), direction);

    // Delete old extents if size has changed.
    if (old_size != size && bld->room.extents)
    {
        delete[] bld->room.extents;
        bld->room.extents = NULL;
    }

    bld->x2 = bld->x1 + size.x - 1;
    bld->y2 = bld->y1 + size.y - 1;
    bld->centerx = bld->x1 + center.x;
    bld->centery = bld->y1 + center.y;

    auto type = bld->getType();

    switch (type)
    {
    using namespace df::enums::building_type;
    case WaterWheel:
        {
            auto obj = (df::building_water_wheelst*)bld;
            obj->is_vertical = !!direction;
            break;
        }
    case AxleHorizontal:
        {
            auto obj = (df::building_axle_horizontalst*)bld;
            obj->is_vertical = !!direction;
            break;
        }
    case ScrewPump:
        {
            auto obj = (df::building_screw_pumpst*)bld;
            obj->direction = (df::screw_pump_direction)direction;
            break;
        }
    case Rollers:
        {
            auto obj = (df::building_rollersst*)bld;
            obj->direction = (df::screw_pump_direction)direction;
            break;
        }
    case Bridge:
        {
            auto obj = (df::building_bridgest*)bld;
            auto psize = getSize(bld);
            obj->gate_flags.bits.has_support = hasSupport(psize.first, psize.second);
            obj->direction = (df::building_bridgest::T_direction)direction;