// Write non-standard node data as extra of type "Node" with "OpenSceneGraph" technique
void daeWriter::writeNodeExtra(osg::Node &node)
{
unsigned int numDesc = node.getDescriptions().size();
// Only create extra if descriptions are filled in
if (writeExtras && (numDesc > 0))
{
// Adds the following to a node
//<extra type="Node">
// <technique profile="OpenSceneGraph">
// <Descriptions>
// <Description>Some info</Description>
// </Descriptions>
// </technique>
//</extra>
domExtra *extra = daeSafeCast<domExtra>(currentNode->add( COLLADA_ELEMENT_EXTRA ));
extra->setType("Node");
domTechnique *teq = daeSafeCast<domTechnique>(extra->add( COLLADA_ELEMENT_TECHNIQUE ) );
teq->setProfile( "OpenSceneGraph" );
domAny *descriptions = (domAny*)teq->add( "Descriptions" );
for (unsigned int currDesc = 0; currDesc < numDesc; currDesc++)
{
std::string value = node.getDescription(currDesc);
if (!value.empty())
{
domAny *description = (domAny*)descriptions->add( "Description" );
description->setValue(value.c_str());
}
}
}
}
/** If the DataOutputStream parameter is NULL, write to the _records
member variable. Otherwise, write to the specified DataOutputStream.
*/
void
FltExportVisitor::writeComment( const osg::Node& node, DataOutputStream* dos )
{
if (dos==NULL)
dos = _records;
// Write all descriptions as Comment records.
unsigned int nd = node.getNumDescriptions();
unsigned int idx=0;
while( idx < nd )
{
const std::string& com = node.getDescription( idx );
unsigned int iLen = com.length() + 5;
if (iLen > 0xffff)
{
// short overrun
std::string warning( "fltexp: writeComment: Descriptions too long, resorts in short overrun. Skipping." );
_fltOpt->getWriteResult().warn( warning );
OSG_WARN << warning << std::endl;
continue;
}
uint16 length( (uint16)iLen );
dos->writeInt16( (int16) COMMENT_OP );
dos->writeInt16( length );
dos->writeString( com );
idx++;
}
}