OpenSceneGraph/include/osg/CollectOccludersVisitor
2002-06-13 23:46:02 +00:00

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//C++ header - Open Scene Graph - Copyright (C) 1998-2001 Robert Osfield
//Distributed under the terms of the GNU Library General Public License (LGPL)
//as published by the Free Software Foundation.
#ifndef OSG_COLLECTOCCLUDERSVISITOR
#define OSG_COLLECTOCCLUDERSVISITOR 1
#include <osg/NodeVisitor>
#include <osg/CullStack>
namespace osg {
class SG_EXPORT CollectOccludersVisitor : public osg::NodeVisitor, public osg::CullStack
{
public:
CollectOccludersVisitor();
virtual ~CollectOccludersVisitor();
virtual CollectOccludersVisitor* cloneType() const { return new CollectOccludersVisitor(); }
virtual void reset();
virtual void apply(osg::Node&);
virtual void apply(osg::Transform& node);
virtual void apply(osg::Projection& node);
virtual void apply(osg::Switch& node);
virtual void apply(osg::LOD& node);
virtual void apply(osg::OccluderNode& node);
void setCreateDrawablesOnOccludeNodes(bool flag) { _createDrawables=flag; }
bool getCreateDrawablesOnOccludeNodes() const { return _createDrawables; }
void setCollectedOcculderList(const ShadowVolumeOccluderList& svol) { _occluderList = svol; }
ShadowVolumeOccluderList& getCollectedOccluderList() { return _occluderList; }
const ShadowVolumeOccluderList& getCollectedOccluderList() const { return _occluderList; }
protected:
/** prevent unwanted copy construction.*/
CollectOccludersVisitor(const CollectOccludersVisitor&):osg::NodeVisitor(),osg::CullStack() {}
/** prevent unwanted copy operator.*/
CollectOccludersVisitor& operator = (const CollectOccludersVisitor&) { return *this; }
bool _createDrawables;
ShadowVolumeOccluderList _collectedOccluderList;
};
}
#endif