FGFS-4.1/OpenSceneGraph
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Refactor various NodeTracker and MatrixManipulator classes to use the osg::ObserverNodePath and osg::oberserver_ptr<> classes

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This commit is contained in:
Robert Osfield
2010-02-15 20:15:32 +00:00
parent 4a567d9954
commit ff38da1290
10 changed files with 92 additions and 151 deletions
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42
src/osg/NodeTrackerCallback.cpp
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@@ -75,6 +75,20 @@ void NodeTrackerCallback::setTrackNode(osg::Node* node)
}
}
osg::Node* NodeTrackerCallback::getTrackNode()
{
osg::NodePath nodePath;
if (_trackNodePath.getNodePath(nodePath)) return nodePath.back();
else return 0;
}
const osg::Node* NodeTrackerCallback::getTrackNode() const
{
osg::NodePath nodePath;
if (_trackNodePath.getNodePath(nodePath)) return nodePath.back();
else return 0;
}
void NodeTrackerCallback::operator()(Node* node, NodeVisitor* nv)
{
if (nv->getVisitorType()==NodeVisitor::UPDATE_VISITOR)
@@ -85,35 +99,13 @@ void NodeTrackerCallback::operator()(Node* node, NodeVisitor* nv)
traverse(node,nv);
}
bool NodeTrackerCallback::validateNodePath() const
{
for(ObserverNodePath::const_iterator itr = _trackNodePath.begin();
itr != _trackNodePath.begin();
++itr)
{
if (*itr==0)
{
osg::notify(osg::NOTICE)<<"Warning: tracked node path has been invalidated by changes in the scene graph."<<std::endl;
const_cast<ObserverNodePath&>(_trackNodePath).clear();
return false;
}
}
return true;
}
void NodeTrackerCallback::update(osg::Node& node)
{
if (!validateNodePath()) return;
osg::NodePath nodePath;
for(ObserverNodePath::iterator itr = _trackNodePath.begin();
itr != _trackNodePath.end();
++itr)
if (_trackNodePath.getNodePath(nodePath))
{
nodePath.push_back(itr->get());
ApplyMatrixVisitor applyMatrix(computeWorldToLocal(nodePath));
node.accept(applyMatrix);
}
ApplyMatrixVisitor applyMatrix(computeWorldToLocal(nodePath));
node.accept(applyMatrix);
}