OpenSceneGraph/include/osgShadow/ProjectionShadowMap

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/* -*-c++-*- OpenSceneGraph - Copyright (C) 1998-2006 Robert Osfield
*
* This library is open source and may be redistributed and/or modified under
* the terms of the OpenSceneGraph Public License (OSGPL) version 0.0 or
* (at your option) any later version. The full license is in LICENSE file
* included with this distribution, and on the openscenegraph.org website.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* OpenSceneGraph Public License for more details.
*
* ViewDependentShadow codes Copyright (C) 2008 Wojciech Lewandowski
* Thanks to to my company http://www.ai.com.pl for allowing me free this work.
*/
#ifndef OSGSHADOW_PROJECTIONSHADOWMAP
#define OSGSHADOW_PROJECTIONSHADOWMAP 1
#include <osgShadow/MinimalShadowMap>
namespace osgShadow {
template< typename MinimalBoundsBaseClass, typename ShadowProjectionAlgorithmClass >
class OSGSHADOW_EXPORT ProjectionShadowMap : public MinimalBoundsBaseClass
{
public :
/** Convenient typedef used in definition of ViewData struct and methods */
typedef MinimalBoundsBaseClass BaseClass;
/** Convenient typedef used in definition of ViewData struct and methods */
typedef ProjectionShadowMap<MinimalBoundsBaseClass,ShadowProjectionAlgorithmClass> ThisClass;
/** Classic OSG constructor */
ProjectionShadowMap() : BaseClass()
{
}
/** Classic OSG cloning constructor */
ProjectionShadowMap(
const ProjectionShadowMap& copy,
const osg::CopyOp& copyop=osg::CopyOp::SHALLOW_COPY) : BaseClass(copy,copyop)
{
}
/** Declaration of standard OSG object methods */
META_Object( ViewDependentShadow, ProjectionShadowMap );
protected:
/** Classic protected OSG destructor */
virtual ~ProjectionShadowMap(void)
{
}
struct ViewData: public BaseClass::ViewData,
public ShadowProjectionAlgorithmClass
{
#if 0
virtual void init( ThisClass * st, osgUtil::CullVisitor * cv );
{
BaseClass::ViewData::init( st, cv );
}
#endif
virtual void frameShadowCastingCamera
( const osg::Camera* cameraMain, osg::Camera* cameraShadow, int pass = 1 )
{
// Force dependent name lookup
ShadowProjectionAlgorithmClass::operator()
( &this->_sceneReceivingShadowPolytope, cameraMain, cameraShadow );
// DebugBoundingBox( computeScenePolytopeBounds(), "ProjectionShadowMap" );
BaseClass::ViewData::frameShadowCastingCamera( cameraMain, cameraShadow, pass );
}
};
META_ViewDependentShadowTechniqueData( ThisClass, typename ThisClass::ViewData )
};
} // namespace osgShadow
#endif