void VrmlNodeGroup::checkAndRemoveNodes(Viewer *viewer)
{
if (d_childrenToRemove.size())
{
viewer->beginObject(name(), 0, this);
int i, n = d_childrenToRemove.size();
for (i = 0; i < n; i++)
{
Viewer::Object child_viewerObject = 0;
VrmlNode *kid = d_childrenToRemove[i];
if (kid->toGeometry())
child_viewerObject = kid->toGeometry()->getViewerObject();
else if (kid->toGroup())
child_viewerObject = kid->toGroup()->d_viewerObject;
else if (kid->toProto())
child_viewerObject = kid->toProto()->getViewerObject();
else if (kid->toShape())
child_viewerObject = kid->toShape()->getViewerObject();
if (child_viewerObject)
viewer->removeChild(child_viewerObject);
}
viewer->endObject();
}
while (d_childrenToRemove.size())
{
d_childrenToRemove.removeNode(d_childrenToRemove[0]);
}
}
void VrmlNodeGroup::addChildren(const VrmlMFNode &children)
{
int nNow = d_children.size();
int n = children.size();
for (int i = 0; i < n; ++i)
{
VrmlNode *child = children[i];
if (child == NULL)
{
continue;
}
child->parentList.push_back(this);
if (child->getTraversalForce() > 0)
{
forceTraversal(false, child->getTraversalForce());
}
VrmlNodeProto *p = 0;
// Add legal children and un-instantiated EXTERNPROTOs
// Is it legal to add null children nodes?
if (child == 0 || child->toChild() || ((p = child->toProto()) != 0 && p->size() == 0))
{
d_children.addNode(child);
if (child)
{
child->addToScene(d_scene, d_relative.get());
child->accumulateTransform(d_parentTransform);
}
}
else
System::the->error("Error: Attempt to add a %s node as a child of a %s node.\n",
child->nodeType()->getName(), nodeType()->getName());
}
if (nNow != d_children.size())
{
//??eventOut( d_scene->timeNow(), "children_changed", d_children );
setModified();
}
}