FGFS-4.1/OpenSceneGraph
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Added an empty() method

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This commit is contained in:
Robert Osfield 2010-02-22 17:41:35 +00:00
parent bb35fcc980
commit 9a45538db9
1 changed files with 7 additions and 0 deletions
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include/osg/ObserverNodePath
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@ -59,6 +59,13 @@ class OSG_EXPORT ObserverNodePath : public osg::Observer
* of the NodePath. return true if NodePath is valid.*/ * of the NodePath. return true if NodePath is valid.*/
bool getNodePath(NodePath& nodePath) const; bool getNodePath(NodePath& nodePath) const;
bool empty() const
{
if (!_valid) return true;
OpenThreads::ScopedLock<OpenThreads::Mutex> lock(*getObserverMutex());
return _nodePath.empty();
}
protected: protected:
void _setNodePath(const osg::NodePath& nodePath); void _setNodePath(const osg::NodePath& nodePath);