void
ColladaNode::readInstanceGeometry(domInstance_geometry *instGeo)
{
ColladaInstanceGeometryRefPtr colInstGeo =
getUserDataAs<ColladaInstanceGeometry>(instGeo);
if(colInstGeo == NULL)
{
colInstGeo = dynamic_pointer_cast<ColladaInstanceGeometry>(
ColladaElementFactory::the()->create(instGeo, getGlobal()));
colInstGeo->read(this);
}
}
void
ColladaNode::handleInstanceGeometry(domInstance_geometry *instGeo)
{
ColladaInstanceGeometryRefPtr colInstGeo =
getUserDataAs<ColladaInstanceGeometry>(instGeo);
if(colInstGeo == NULL)
{
colInstGeo = dynamic_pointer_cast<ColladaInstanceGeometry>(
ColladaElementFactory::the()->create(instGeo, getGlobal()));
colInstGeo->read();
}
NodeUnrecPtr geoN = colInstGeo->process(this);
appendChild(geoN);
}
Node *
ColladaGeometry::createInstance(ColladaInstInfo *colInstInfo)
{
typedef ColladaInstanceGeometry::MaterialMap MaterialMap;
typedef ColladaInstanceGeometry::MaterialMapConstIt MaterialMapConstIt;
domGeometryRef geometry = getDOMElementAs<domGeometry>();
NodeUnrecPtr groupN = makeCoredNode<Group>();
OSG_COLLADA_LOG(("ColladaGeometry::createInstance id [%s]\n",
geometry->getId()));
if(getGlobal()->getOptions()->getCreateNameAttachments() == true &&
geometry->getName() != NULL )
{
setName(groupN, geometry->getName());
}
ColladaInstanceGeometryRefPtr colInstGeo =
dynamic_cast<ColladaInstanceGeometry *>(colInstInfo->getColInst());
const MaterialMap &matMap =
colInstGeo->getMaterialMap();
// iterate over all parts of geometry
GeoStoreIt gsIt = _geoStore.begin();
GeoStoreIt gsEnd = _geoStore.end ();
for(; gsIt != gsEnd; ++gsIt)
{
OSG_ASSERT(gsIt->_propStore.size() == gsIt->_indexStore.size());
// find the material associated with the geometry's material symbol
MaterialMapConstIt mmIt = matMap.find(gsIt->_matSymbol);
std::string matTarget;
if(mmIt != matMap.end())
{
matTarget = mmIt->second->getTarget();
}
// check if the geometry was already used with that material
GeometryUnrecPtr geo = NULL;
InstanceMapConstIt instIt = gsIt->_instMap.find(matTarget);
if(instIt != gsIt->_instMap.end())
{
// reuse geometry
geo = dynamic_pointer_cast<Geometry>(
getInstStore()[instIt->second]);
getGlobal()->getStatCollector()->getElem(
ColladaGlobal::statNGeometryUsed)->inc();
}
else
{
// create new geometry
geo = Geometry::create();
getGlobal()->getStatCollector()->getElem(
ColladaGlobal::statNGeometryCreated)->inc();
geo->setLengths(gsIt->_lengths);
geo->setTypes (gsIt->_types );
handleBindMaterial(*gsIt, geo, colInstGeo);
// record the instantiation of the geometry with the
// material for reuse
gsIt->_instMap.insert(
InstanceMap::value_type(matTarget, getInstStore().size()));
editInstStore().push_back(geo);
}
NodeUnrecPtr geoN = makeNodeFor(geo);
groupN->addChild(geoN);
}
// store the generated group node
editInstStore().push_back(groupN);
return groupN;
}
