Ignore empty children of osg::LOD and osg::Switch like in OSG

This commit is contained in:
Capostrophic 2020-04-29 17:14:50 +03:00
parent 63fe02b1ba
commit 957d2a890f
2 changed files with 5 additions and 18 deletions

View file

@ -735,20 +735,6 @@ bool Optimizer::CombineStaticTransformsVisitor::removeTransforms(osg::Node* node
// RemoveEmptyNodes.
////////////////////////////////////////////////////////////////////////////
void Optimizer::RemoveEmptyNodesVisitor::apply(osg::Switch& switchNode)
{
// We should keep all switch child nodes since they reflect different switch states.
for (unsigned int i=0; i<switchNode.getNumChildren(); ++i)
traverse(*switchNode.getChild(i));
}
void Optimizer::RemoveEmptyNodesVisitor::apply(osg::LOD& lod)
{
// don't remove any direct children of the LOD because they are used to define each LOD level.
for (unsigned int i=0; i<lod.getNumChildren(); ++i)
traverse(*lod.getChild(i));
}
void Optimizer::RemoveEmptyNodesVisitor::apply(osg::Group& group)
{
if (group.getNumParents()>0)
@ -787,8 +773,11 @@ void Optimizer::RemoveEmptyNodesVisitor::removeEmptyNodes()
++pitr)
{
osg::Group* parent = *pitr;
parent->removeChild(nodeToRemove.get());
if (parent->getNumChildren()==0 && isOperationPermissibleForObject(parent)) newEmptyGroups.insert(parent);
if (!parent->asSwitch() && !dynamic_cast<osg::LOD*>(parent))
{
parent->removeChild(nodeToRemove.get());
if (parent->getNumChildren()==0 && isOperationPermissibleForObject(parent)) newEmptyGroups.insert(parent);
}
}
}