Hi,
ok. I registered a osgDB::Registry::ReadFileCallback and I overidden the
readNode() function. As Robert suggested, I added a node visitor to scan for
all statesets (in nodes and drawables) for textures.
Code:
void CGeTrilinearVisitor::apply( osg::Node& rNode )
{
osg::StateSet* pStateSet = rNode.getStateSet( );
if( pStateSet )
{
osg::StateSet::TextureAttributeList& rList =
pStateSet->getTextureAttributeList( );
osg::Texture2D* pTex = dynamic_cast<osg::Texture2D*>(
pStateSet->getTextureAttribute( 0, osg::StateAttribute::TEXTURE ) );
if( pTex )
{
pTex->setFilter( osg::Texture::MIN_FILTER,
osg::Texture::LINEAR_MIPMAP_LINEAR );
}
}
Inherited::apply( rNode );
}
void CGeTrilinearVisitor::apply( osg::Geode& rGNode )
{
const osg::Geode::DrawableList& rDrawables = rGNode.getDrawableList( );
for( int i = 0; i < rDrawables.size( ); ++i )
{
osg::ref_ptr<osg::Drawable> pDrawable = rDrawables[i];
osg::StateSet* pStateSet = pDrawable->getStateSet( );
if( pStateSet )
{
osg::StateSet::TextureAttributeList& rList =
pStateSet->getTextureAttributeList( );
osg::Texture2D* pTex = dynamic_cast<osg::Texture2D*>(
pStateSet->getTextureAttribute( 0, osg::StateAttribute::TEXTURE ) );
if( pTex )
{
pTex->setFilter( osg::Texture::MIN_FILTER,
osg::Texture::LINEAR_MIPMAP_LINEAR );
}
}
}
Inherited::apply( rGNode );
}
What I discovered is that the nodes and drawables don't have any stateset
allocated when loading an openflight file. Maybe the statesets get added later??
I am looking at the openflight plugin, but any suggestion would be appreciated.
Guy
------------------
Read this topic online here:
http://forum.openscenegraph.org/viewtopic.php?p=12985#12985
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