FGFS-4.1/OpenSceneGraph
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Ported NodeTrackCallback and NodeTrackManipulator across to use oberserver_ptr

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instead of RefNodePath.

Removed now redundent RefNodePath.
This commit is contained in:
Robert Osfield
2006-02-27 19:49:47 +00:00
parent 1dcf4fe81f
commit abed6b7951
5 changed files with 79 additions and 167 deletions
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35
src/osg/NodeTrackerCallback.cpp
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@@ -73,7 +73,7 @@ void NodeTrackerCallback::setTrackNode(osg::Node* node)
if (!parentNodePaths.empty())
{
osg::notify(osg::INFO)<<"NodeTrackerCallback::setTrackNode(Node*): Path set"<<std::endl;
_trackNodePath = parentNodePaths[0];
setTrackNodePath(parentNodePaths[0]);
}
else
{
@@ -91,24 +91,35 @@ void NodeTrackerCallback::operator()(Node* node, NodeVisitor* nv)
traverse(node,nv);
}
void NodeTrackerCallback::update(osg::Node& node)
{
ApplyMatrixVisitor applyMatrix(computeWorldToLocal(_trackNodePath));
node.accept(applyMatrix);
}
bool NodeTrackerCallback::validateNodePath() const
{
if (!_trackNodePath.valid())
for(ObserveredNodePath::const_iterator itr = _trackNodePath.begin();
itr != _trackNodePath.begin();
++itr)
{
if (_trackNodePath.empty())
if (*itr==0)
{
osg::notify(osg::NOTICE)<<"Warning: tracked node path has been invalidated by changes in the scene graph."<<std::endl;
NodeTrackerCallback* non_const_this = const_cast<NodeTrackerCallback*>(this);
non_const_this->_trackNodePath.clear();
const_cast<ObserveredNodePath&>(_trackNodePath).clear();
return false;
}
return false;
}
return true;
}
void NodeTrackerCallback::update(osg::Node& node)
{
if (!validateNodePath()) return;
osg::NodePath nodePath;
for(ObserveredNodePath::iterator itr = _trackNodePath.begin();
itr != _trackNodePath.begin();
++itr)
{
nodePath.push_back(itr->get());
}
ApplyMatrixVisitor applyMatrix(computeWorldToLocal(nodePath));
node.accept(applyMatrix);
}