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83 lines
2.9 KiB
83 lines
2.9 KiB
/* -*-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 OSGSHADOW_SHADOWVOLUME |
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#define OSGSHADOW_SHADOWVOLUME 1 |
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#include <osg/Camera> |
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#include <osg/Light> |
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#include <osg/Geode> |
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#include <osgShadow/ShadowTechnique> |
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#include <osgShadow/OccluderGeometry> |
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namespace osgShadow { |
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/** ShadowedTexture provides an implementation of shadow textures.*/ |
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class OSGSHADOW_EXPORT ShadowVolume : public ShadowTechnique |
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{ |
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public : |
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ShadowVolume(); |
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ShadowVolume(const ShadowVolume& es, const osg::CopyOp& copyop=osg::CopyOp::SHALLOW_COPY); |
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META_Object(osgShadow, ShadowVolume); |
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void setDrawMode(osgShadow::ShadowVolumeGeometry::DrawMode drawMode); |
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osgShadow::ShadowVolumeGeometry::DrawMode getDrawMode() const { return _drawMode; } |
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void setDynamicShadowVolumes(bool dynamicShadowVolumes); |
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bool getDynamicShadowVolumes() const { return _dynamicShadowVolumes; } |
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/** initialize the ShadowedScene and local cached data structures.*/ |
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virtual void init(); |
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/** run the update traversal of the ShadowedScene and update any loca chached data structures.*/ |
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virtual void update(osg::NodeVisitor& nv); |
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/** run the cull traversal of the ShadowedScene and set up the rendering for this ShadowTechnique.*/ |
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virtual void cull(osgUtil::CullVisitor& cv); |
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/** Clean scene graph from any shadow technique specific nodes, state and drawables.*/ |
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virtual void cleanSceneGraph(); |
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protected : |
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virtual ~ShadowVolume(); |
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osgShadow::ShadowVolumeGeometry::DrawMode _drawMode; |
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bool _dynamicShadowVolumes; |
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osg::ref_ptr<osgShadow::OccluderGeometry> _occluder; |
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OpenThreads::Mutex _shadowVolumeMutex; |
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osg::ref_ptr<osgShadow::ShadowVolumeGeometry> _shadowVolume; |
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osg::Vec4 _lightpos; |
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osg::ref_ptr<osg::Light> _ambientLight; |
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osg::ref_ptr<osg::Light> _diffuseLight; |
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osg::ref_ptr<osg::StateSet> _ss1; |
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osg::ref_ptr<osg::StateSet> _mainShadowStateSet; |
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osg::ref_ptr<osg::StateSet> _shadowVolumeStateSet; |
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osg::ref_ptr<osg::StateSet> _shadowedSceneStateSet; |
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}; |
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} |
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#endif
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