/*! Visits a MFFieldContainerPtr (or more specific pointer type) during
    preWrite. It creates elements for the pointed to containers and
    calls preWrite on them. If the pointed to containers are not in the
    root's id set they are added and thus scheduled for writing.

    \param[in] fieldId Id of the field in the container of this element.
 */
void
OSBCommonElement::preWritePtrMultiField(const UInt32 fieldId)
{
    OSG_OSB_LOG(("OSBCommonElement::preWritePtrMultiField: "
            "fieldId: [%u]\n", fieldId));

    OSBRootElement           *root       = editRoot();

    FieldContainerPtrMFieldBase::GetHandlePtr mfPtrField =
        boost::dynamic_pointer_cast<FieldContainerPtrMFieldBase::GetHandle>(
            getContainer()->getField(fieldId));

    if(mfPtrField == NULL || mfPtrField->isValid() == false)
        return;

    FieldContainerPtrMFieldBase::const_iterator fieldIt  = 
        (*mfPtrField)->begin();

    FieldContainerPtrMFieldBase::const_iterator fieldEnd = 
        (*mfPtrField)->end  ();

    for(; fieldIt != fieldEnd; ++fieldIt)
    {
        FieldContainer *refedFC = *fieldIt;

        if(refedFC == NULL)
            continue;

        UInt32             refedId  = refedFC->getId  ();
        const std::string &typeName = refedFC->getType().getName();

        // only schedule a container once
        if(root->getIdSet().count(refedId) > 0)
            continue;

        OSBElementBase *elem = OSBElementFactory::the()->acquire(
            typeName, root);

        root->editIdSet      ().insert   (refedId);
        root->editElementList().push_back(elem   );
        elem->setContainer(refedFC);
        elem->preWrite    (refedFC);
    }
}
示例#2
0
void OSGWriter::visitField(GetFieldHandlePtr hF)
{
    if(hF->isValid() == false)
    {
        return;
    }

//    const FieldType &fType       = hF->getType();

    GetMapFieldHandlePtr sfMap = 
        boost::dynamic_pointer_cast<
            GetMapFieldHandle>(hF);

    if(sfMap != NULL && sfMap->isValid() == true)
    {
        sfMap->traverse(boost::bind(&OSGWriter::visitContainer, this, _1));
    }
    else
    {
        FieldContainerPtrSFieldBase::GetHandlePtr sfFCPtr = 
            boost::dynamic_pointer_cast<
                FieldContainerPtrSFieldBase::GetHandle>(hF);

        FieldContainerPtrMFieldBase::GetHandlePtr mfFCPtr = 
            boost::dynamic_pointer_cast<
                FieldContainerPtrMFieldBase::GetHandle>(hF);

        if(sfFCPtr != NULL && sfFCPtr->isValid() == true)
        {
            visitContainer((*sfFCPtr)->getValue());
        }
        else if(mfFCPtr != NULL && mfFCPtr->isValid() == true)
        {
            SizeT mfSize = (*mfFCPtr)->size();

            for(SizeT i = 0; i < mfSize; i++)
            {
                visitContainer((**mfFCPtr)[i]);
            }
        }
    }
}
void
OSBGeometryElement::preWrite(FieldContainer * const fc)
{
    OSG_OSB_LOG(("OSBGeometryElement::preWrite\n"));

    OSBRootElement *root       = editRoot();
    UInt32          fieldCount = fc->getType().getNumFieldDescs();

    UInt8 quanResPositions = root->getOptions().quantizePositions();
    UInt8 quanResNormals   = root->getOptions().quantizeNormals  ();
    UInt8 quanResTexCoords = root->getOptions().quantizeTexCoords();
    bool  packIndices      = root->getOptions().packIndices      ();

    // go through all fields and find those refering to other FCs
    for(UInt32 fieldId = 1; fieldId <= fieldCount; ++fieldId)
    {
        const FieldDescriptionBase *fieldDesc = fc->getFieldDescription(fieldId);
        const FieldType            &fieldType = fieldDesc->getFieldType();
        const std::string          &fieldName = fieldDesc->getName     ();

        // skip internal fields
        if(fieldDesc->isInternal())
        {
            OSG_OSB_LOG(("OSBGeometryElement::preWrite: "
                    "Skipping internal field: [%s]\n", fieldName.c_str()));
            continue;
        }

        if(fieldName == "properties")
        {
            // "properties" might be quantized
            FieldContainerPtrMFieldBase::GetHandlePtr fP =
                boost::dynamic_pointer_cast<
                    FieldContainerPtrMFieldBase::GetHandle>(
                        getContainer()->getField(fieldId));

            if(fP == NULL || fP->isValid() == false)
                continue;

            FieldContainerPtrMFieldBase::const_iterator fieldIt  = 
                (*fP)->begin();

            FieldContainerPtrMFieldBase::const_iterator fieldEnd = 
                (*fP)->end  ();

            for(UInt32 i = 0; fieldIt != fieldEnd; ++fieldIt, ++i)
            {
                FieldContainer *refedFC = *fieldIt;

                if(refedFC == NULL)
                    continue;

                      UInt32      refedId  = refedFC->getId  ();
                const std::string typeName = refedFC->getType().getName();

                // only schedule a container once
                if(root->getIdSet().count(refedId) > 0)
                    continue;

                OSBElementBase              *elem     =
                    OSBElementFactory::the()->acquire(typeName, root);
                OSBGeoVectorPropertyElement *propElem =
                    dynamic_cast<OSBGeoVectorPropertyElement *>(elem);

                if((propElem != 0) && (i == Geometry::PositionsIndex))
                {
                    propElem->setQuantizeResolution(quanResPositions);
                }
                else if((propElem != 0) && (i == Geometry::NormalsIndex))
                {
                    propElem->setQuantizeResolution(quanResNormals);
                }
                else if((propElem != 0) && (i >= Geometry::TexCoordsIndex) &&
                        (i <= Geometry::TexCoords7Index)                     )
                {
                    propElem->setQuantizeResolution(quanResTexCoords);
                }

                root->editIdSet      ().insert   (refedId);
                root->editElementList().push_back(elem   );
                elem->setContainer(refedFC);
                elem->preWrite    (refedFC);
            }
        }
        else if(fieldName == "propIndices")
        {
            // "propIndices" might be packed
            FieldContainerPtrMFieldBase::GetHandlePtr fP =
                boost::dynamic_pointer_cast<
                    FieldContainerPtrMFieldBase::GetHandle>(
                        getContainer()->getField(fieldId));

            if(fP == NULL || fP->isValid() == false)
                continue;

            FieldContainerPtrMFieldBase::const_iterator fieldIt  = 
                (*fP)->begin();
            FieldContainerPtrMFieldBase::const_iterator fieldEnd = 
                (*fP)->end  ();

            for(UInt32 i = 0; fieldIt != fieldEnd; ++fieldIt, ++i)
            {
                FieldContainer *refedFC = *fieldIt;

                if(refedFC == NULL)
                    continue;

                      UInt32      refedId  = refedFC->getId  ();
                const std::string typeName = refedFC->getType().getName();

                // only schedule a container once
                if(root->getIdSet().count(refedId) > 0)
                    continue;

                OSBElementBase                *elem     =
                    OSBElementFactory::the()->acquire(typeName, root);
                OSBGeoIntegralPropertyElement *propElem =
                    dynamic_cast<OSBGeoIntegralPropertyElement *>(elem);

                if((propElem != 0) && (packIndices == true))
                {
                    propElem->setPackData(true);
                }

                root->editIdSet      ().insert   (refedId);
                root->editElementList().push_back(elem   );
                elem->setContainer(refedFC);
                elem->preWrite    (refedFC);
            }
        }
        else if(fieldName == "attachments")
        {
            preWriteAttachmentMapField(fieldId);
        }
        else
        {
            // check if field refers to another FC, i.e. its a field holding
            // FieldContainerPtr or an FieldContainerAttachmentMap
            if(fieldType.getContentType().isDerivedFrom(
                FieldTraits<FieldContainer *>::getType()) == true)
            {
                if(fieldType.getCardinality() == FieldType::SingleField)
                {
                    preWritePtrSingleField(fieldId);
                }
                else if(fieldType.getCardinality() == FieldType::MultiField)
                {
                    preWritePtrMultiField(fieldId);
                }
            }
        }
    }
}
示例#4
0
void OSGWriter::writeField(GetFieldHandlePtr hF)
{
    if(hF->isValid() == false)
    {
        return;
    }

//    const FieldType& fType = hF->getType();

    GetMapFieldHandlePtr sfMap = 
        boost::dynamic_pointer_cast<
            GetMapFieldHandle>(hF);

    FieldContainerPtrSFieldBase::GetHandlePtr sfFCPtr = 
        boost::dynamic_pointer_cast<FieldContainerPtrSFieldBase::GetHandle>(hF);
    
    FieldContainerPtrMFieldBase::GetHandlePtr mfFCPtr = 
        boost::dynamic_pointer_cast<FieldContainerPtrMFieldBase::GetHandle>(hF);

    if(sfMap != NULL && sfMap->isValid() == true)
    {
        _outStream << BeginElem 
                   << hF->getName();

        //if the Attachment Map is empty write [] as its content
        if(sfMap->empty() == true)
        {
            _outStream << " [ ] " << EndElemNL;
        }
        else
        {
            _outStream << EndElemNL
                       << BeginElem
                       << "["
                       << EndElemNL;

            _outStream << IncIndent;
        
            EditMapFieldHandle::MapList fcList;

            sfMap->flatten(fcList);

            EditMapFieldHandle::MapList::iterator iter = fcList.begin();
            EditMapFieldHandle::MapList::iterator end  = fcList.end  ();

            for(; iter!=end; ++iter)
            {
                _outStream << BeginElem
                           << "MapHelper"
                           << EndElemNL
                           << BeginElem
                           << "{"
                           << EndElemNL;

                _outStream << IncIndent;

                _outStream << BeginElem
                           << "keys"
                           << EndElemNL
                           << BeginElem
                           << "["
                           << EndElemNL;

                _outStream << IncIndent;

                std::vector<std::string>::const_iterator kIt  = 
                    iter->first.begin();

                std::vector<std::string>::const_iterator kEnd = 
                    iter->first.end();

                for(; kIt != kEnd; ++kIt)
                {
                    _outStream << BeginElem
                               << "\""
                               << *kIt
                               << "\""
                               << EndElemNL;
                }

                _outStream << DecIndent;

                _outStream << BeginElem
                           << "]"
                           << EndElemNL;

                _outStream << BeginElem
                           << "container ";
                    
                if(iter->second == NULL)
                {
                    _outStream << "NULL"
                               << EndElemNL;
                }
                else
                {
                    writeContainer(iter->second, false);
                    _outStream << EndElemNL;
                }

                _outStream << DecIndent;
                                    
                _outStream << BeginElem
                           << "}"
                           << EndElemNL;
            }

            _outStream << DecIndent; 
            
            _outStream << BeginElem
                       << "]"
                       << EndElemNL;
        }
    }
    else if(sfFCPtr != NULL || mfFCPtr != NULL)
    {
        //this Field points to FC

        if(hF->getDescription()->isDynamic() == true)
        {
            _outStream << BeginElem 
                       << "field "
                       << hF->getType().getCName()
                       << " "
                       << hF->getName();
        }
        else
        {
            _outStream << BeginElem 
                       << hF->getName();
        }

        if(sfFCPtr != NULL && sfFCPtr->isValid() == true)
        {
            if((*sfFCPtr)->getValue() == NULL)
            {
                _outStream << " NULL" << EndElemNL;
            }
            else
            {
                _outStream << " ";
                writeContainer((*sfFCPtr)->getValue(), false);
            }
        }
        else if(mfFCPtr != NULL && mfFCPtr->isValid() == true)
        {
            _outStream << EndElemNL
                       << BeginElem
                       << "[" 
                       << EndElemNL;

            _outStream << IncIndent;

            SizeT mfSize = (*mfFCPtr)->size();

            for(SizeT i = 0; i < mfSize; i++)
            {
                if((*(*mfFCPtr))[i] == NULL)
                {
                    _outStream << BeginElem
                               << "NULL" 
                               << EndElemNL;
                }
                else
                {
                    writeContainer((*(*mfFCPtr))[i], true);
                }
            }

            _outStream << DecIndent;

            _outStream << BeginElem
                       << "]" 
                       << EndElemNL;
        }
    }
    else
    {
        //this Field contains data -> write it out

        if(hF->getDescription()->isDynamic() == true)
        {
            _outStream << BeginElem 
                       << "field "
                       << hF->getType().getCName()
                       << " "
                       << hF->getName();
        }
        else
        {
            _outStream << BeginElem << hF->getName();
        }

        //to access the content of a field via a Field*
        //one must know the cardinality
        if(hF->getCardinality() == FieldType::SingleField)
        {
            _outStream << " ";

            hF->pushValueToStream(_outStream);

            _outStream << EndElemNL;
        }
        else if(hF->getCardinality() == FieldType::MultiField)
        {
            _outStream << " #";

            hF->pushSizeToStream(_outStream);

            _outStream << EndElemNL
                       << BeginElem
                       << "[" 
                       << EndElemNL;

            _outStream << IncIndent;

#ifdef WFC
            hF->pushValueToStream(_outStream);

            _outStream << EndElemNL;
#endif


            _outStream << DecIndent;
            
            _outStream << BeginElem
                       << "]" 
                       << EndElemNL;
        }
    }
}