74 lines
2.1 KiB
C++
74 lines
2.1 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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#ifndef OSGTERRAIN_terrainTECHNIQUE
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#define OSGTERRAIN_terrainTECHNIQUE 1
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#include <osg/Object>
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#include <osgUtil/UpdateVisitor>
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#include <osgUtil/CullVisitor>
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#include <osgTerrain/Export>
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namespace osgTerrain {
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class Terrain;
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class OSGTERRAIN_EXPORT TerrainTechnique : public osg::Object
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{
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public:
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TerrainTechnique();
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/** Copy constructor using CopyOp to manage deep vs shallow copy.*/
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TerrainTechnique(const TerrainTechnique&,const osg::CopyOp& copyop=osg::CopyOp::SHALLOW_COPY);
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META_Object(osgTerrain, TerrainTechnique);
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Terrain* getTerrain() { return _terrain; }
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const Terrain* getTerrain() const { return _terrain; }
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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 terain subgraph.*/
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virtual void traverse(osg::NodeVisitor& nv);
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/** Dirty so that cached data structurese will be updated on next use.*/
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virtual void dirty();
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/** Return true if cached data structurese need updating.*/
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virtual bool isDirty() const { return _dirty; }
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protected:
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virtual ~TerrainTechnique();
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friend class osgTerrain::Terrain;
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Terrain* _terrain;
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bool _dirty;
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};
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}
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#endif
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