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optimizer: consider a Group with more than one child redundant as well

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While there could be some value in this hierarchy (i.e. improved culling), we don't know if this is being used sensibly; and using a 'flat' hierarchy helps other optimizations.
This commit is contained in:
scrawl 2017-02-24 02:43:31 +01:00
parent 75677f03e7
commit 330e5fefd1
1 changed files with 8 additions and 6 deletions
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14
components/sceneutil/optimizer.cpp
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@ -840,18 +840,20 @@ void Optimizer::RemoveRedundantNodesVisitor::removeRedundantNodes()
// take a copy of parents list since subsequent removes will modify the original one.
osg::Node::ParentList parents = group->getParents();
if (group->getNumChildren()==1)
for(osg::Node::ParentList::iterator pitr=parents.begin();
pitr!=parents.end();
++pitr)
{
osg::Node* child = group->getChild(0);
for(osg::Node::ParentList::iterator pitr=parents.begin();
pitr!=parents.end();
++pitr)
for (unsigned int i=0; i<group->getNumChildren(); ++i)
{
(*pitr)->replaceChild(group.get(),child);
osg::Node* child = group->getChild(i);
(*pitr)->addChild(child);
}
(*pitr)->removeChild(group);
}
group->removeChildren(0, group->getNumChildren());
}
else
{