99 lines
2.7 KiB
C++
99 lines
2.7 KiB
C++
/* -*-c++-*- OpenSceneGraph - Copyright (C) 1998-2006 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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#include <osgTerrain/TerrainTechnique>
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#include <osgTerrain/Terrain>
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using namespace osgTerrain;
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TerrainTechnique::TerrainTechnique():
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_terrain(0),
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_dirty(true)
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{
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setThreadSafeRefUnref(true);
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}
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TerrainTechnique::TerrainTechnique(const TerrainTechnique& TerrainTechnique,const osg::CopyOp& copyop):
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osg::Object(TerrainTechnique,copyop),
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_terrain(0),
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_dirty(true)
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{
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}
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TerrainTechnique::~TerrainTechnique()
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{
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}
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void TerrainTechnique::init()
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{
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osg::notify(osg::NOTICE)<<className()<<"::initialize(..) not implementated yet"<<std::endl;
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_dirty = false;
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}
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void TerrainTechnique::update(osgUtil::UpdateVisitor* uv)
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{
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osg::notify(osg::NOTICE)<<className()<<"::update(..) not implementated yet"<<std::endl;
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if (_terrain) _terrain->osg::Group::traverse(*uv);
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}
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void TerrainTechnique::cull(osgUtil::CullVisitor* cv)
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{
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osg::notify(osg::NOTICE)<<className()<<"::cull(..) not implementated yet"<<std::endl;
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if (_terrain) _terrain->osg::Group::traverse(*cv);
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}
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void TerrainTechnique::cleanSceneGraph()
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{
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osg::notify(osg::NOTICE)<<className()<<"::cleanSceneGraph(..) not implementated yet"<<std::endl;
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}
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void TerrainTechnique::dirty()
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{
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// osg::notify(osg::NOTICE)<<className()<<"::dirty(..) not implemented yet"<<std::endl;
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_dirty = true;
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}
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void TerrainTechnique::traverse(osg::NodeVisitor& nv)
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{
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if (!_terrain) return;
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// if app traversal update the frame count.
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if (nv.getVisitorType()==osg::NodeVisitor::UPDATE_VISITOR)
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{
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if (_dirty) _terrain->init();
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osgUtil::UpdateVisitor* uv = dynamic_cast<osgUtil::UpdateVisitor*>(&nv);
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if (uv)
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{
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update(uv);
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return;
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}
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}
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else if (nv.getVisitorType()==osg::NodeVisitor::CULL_VISITOR)
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{
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osgUtil::CullVisitor* cv = dynamic_cast<osgUtil::CullVisitor*>(&nv);
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if (cv)
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{
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cull(cv);
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return;
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}
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}
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if (_dirty) _terrain->init();
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// otherwise fallback to the Group::traverse()
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_terrain->osg::Group::traverse(nv);
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}
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