61 lines
1.7 KiB
Plaintext
61 lines
1.7 KiB
Plaintext
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/* -*-c++-*- OpenSceneGraph - Copyright (C) 1998-2009 Robert Osfield
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*
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* This library is open source and may be redistributed and/or modified under
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* the terms of the OpenSceneGraph Public License (OSGPL) version 0.0 or
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* (at your option) any later version. The full license is in LICENSE file
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* included with this distribution, and on the openscenegraph.org website.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* OpenSceneGraph Public License for more details.
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*/
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#ifndef OSGVOLUME_MULTIPASSTECHNIQUE
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#define OSGVOLUME_MULTIPASSTECHNIQUE 1
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#include <osgVolume/VolumeTechnique>
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#include <osg/MatrixTransform>
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namespace osgVolume {
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class OSGVOLUME_EXPORT MultipassTechnique : public VolumeTechnique
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{
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public:
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MultipassTechnique();
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MultipassTechnique(const MultipassTechnique&,const osg::CopyOp& copyop=osg::CopyOp::SHALLOW_COPY);
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META_Object(osgVolume, MultipassTechnique);
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virtual void init();
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virtual void update(osgUtil::UpdateVisitor* nv);
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virtual void cull(osgUtil::CullVisitor* nv);
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/** Clean scene graph from any terrain technique specific nodes.*/
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virtual void cleanSceneGraph();
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/** Traverse the terrain subgraph.*/
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virtual void traverse(osg::NodeVisitor& nv);
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protected:
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virtual ~MultipassTechnique();
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osg::ref_ptr<osg::MatrixTransform> _transform;
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typedef std::map<osgUtil::CullVisitor::Identifier*, osg::Matrix> ModelViewMatrixMap;
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OpenThreads::Mutex _mutex;
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ModelViewMatrixMap _modelViewMatrixMap;
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osg::ref_ptr<osg::StateSet> _whenMovingStateSet;
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};
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}
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#endif
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