83 lines
3.1 KiB
Plaintext
83 lines
3.1 KiB
Plaintext
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/* -*-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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* ViewDependentShadow codes Copyright (C) 2008 Wojciech Lewandowski
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* Thanks to to my company http://www.ai.com.pl for allowing me free this work.
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*/
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#ifndef OSGSHADOW_MINIMALCULLBOUNDSSHADOWMAP
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#define OSGSHADOW_MINIMALCULLBOUNDSSHADOWMAP 1
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#include <osgShadow/MinimalShadowMap>
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namespace osgShadow {
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class OSGSHADOW_EXPORT MinimalCullBoundsShadowMap
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: public MinimalShadowMap
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{
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public :
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/** Convenient typedef used in definition of ViewData struct and methods */
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typedef MinimalCullBoundsShadowMap ThisClass;
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/** Convenient typedef used in definition of ViewData struct and methods */
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typedef MinimalShadowMap BaseClass;
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/** Classic OSG constructor */
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MinimalCullBoundsShadowMap();
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/** Classic OSG cloning constructor */
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MinimalCullBoundsShadowMap(
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const MinimalCullBoundsShadowMap& mcbsm,
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const osg::CopyOp& copyop=osg::CopyOp::SHALLOW_COPY);
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/** Declaration of standard OSG object methods */
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META_Object( ViewDependentShadow, MinimalCullBoundsShadowMap );
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protected:
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/** Classic protected OSG destructor */
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virtual ~MinimalCullBoundsShadowMap(void);
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struct ViewData: public MinimalShadowMap::ViewData
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{
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virtual void init( ThisClass * st, osgUtil::CullVisitor * cv );
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virtual void cullShadowReceivingScene( );
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virtual void aimShadowCastingCamera( const osg::Light *light,
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const osg::Vec4 &worldLightPos,
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const osg::Vec3 &worldLightDir,
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const osg::Vec3 &worldLightUp
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= osg::Vec3(0,1,0) );
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typedef std::vector< osgUtil::RenderLeaf* > RenderLeafList;
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static unsigned RemoveOldRenderLeaves
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( RenderLeafList &rllNew, RenderLeafList &rllOld );
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static unsigned RemoveIgnoredRenderLeaves( RenderLeafList &rll );
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static osg::BoundingBox ComputeRenderLeavesBounds
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( RenderLeafList &rll, osg::Matrix & projectionToWorld );
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static osg::BoundingBox ComputeRenderLeavesBounds
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( RenderLeafList &rll, osg::Matrix & projectionToWorld, osg::Polytope & polytope );
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static void GetRenderLeaves
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( osgUtil::RenderBin *rb, RenderLeafList &rll );
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};
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META_ViewDependentShadowTechniqueData( ThisClass, ThisClass::ViewData )
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};
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} // namespace osgShadow
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#endif
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