1/* -*-c++-*- OpenSceneGraph - Copyright (C) 1998-2006 Robert Osfield
3 * This library is open source and may be redistributed and/or modified under
4 * the terms of the OpenSceneGraph Public License (OSGPL) version 0.0 or
5 * (at your option) any later version. The full license is in LICENSE file
6 * included with this distribution, and on the openscenegraph.org website.
8 * This library is distributed in the hope that it will be useful,
9 * but WITHOUT ANY WARRANTY; without even the implied warranty of
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11 * OpenSceneGraph Public License for more details.
13 * ViewDependentShadow codes Copyright (C) 2008 Wojciech Lewandowski
14 * Thanks to to my company http://www.ai.com.pl for allowing me free this work.
17#ifndef OSGSHADOW_PROJECTIONSHADOWMAP
18#define OSGSHADOW_PROJECTIONSHADOWMAP 1
20#include <osgShadow/MinimalShadowMap>
24template< typename MinimalBoundsBaseClass, typename ShadowProjectionAlgorithmClass >
25class OSGSHADOW_EXPORT ProjectionShadowMap : public MinimalBoundsBaseClass
28 /** Convenient typedef used in definition of ViewData struct and methods */
29 typedef MinimalBoundsBaseClass BaseClass;
30 /** Convenient typedef used in definition of ViewData struct and methods */
31 typedef ProjectionShadowMap<MinimalBoundsBaseClass,ShadowProjectionAlgorithmClass> ThisClass;
33 /** Classic OSG constructor */
34 ProjectionShadowMap() : BaseClass()
38 /** Classic OSG cloning constructor */
40 const ProjectionShadowMap& copy,
41 const osg::CopyOp& copyop=osg::CopyOp::SHALLOW_COPY) : BaseClass(copy,copyop)
45 /** Declaration of standard OSG object methods */
46 META_Object( osgShadow, ProjectionShadowMap );
50 /** Classic protected OSG destructor */
51 virtual ~ProjectionShadowMap(void)
55 struct OSGSHADOW_EXPORT ViewData: public BaseClass::ViewData,
56 public ShadowProjectionAlgorithmClass
59 virtual void init( ThisClass * st, osgUtil::CullVisitor * cv );
61 BaseClass::ViewData::init( st, cv );
65 virtual void frameShadowCastingCamera
66 ( const osg::Camera* cameraMain, osg::Camera* cameraShadow, int pass = 1 )
68 if( pass == BaseClass::ViewData::_frameShadowCastingCameraPasses - 1 )
70 // Force dependent name lookup
71 ShadowProjectionAlgorithmClass::operator()
72 ( &this->_sceneReceivingShadowPolytope, cameraMain, cameraShadow );
75 // DebugBoundingBox( computeScenePolytopeBounds(), "ProjectionShadowMap" );
76 BaseClass::ViewData::frameShadowCastingCamera( cameraMain, cameraShadow, pass );
80 META_ViewDependentShadowTechniqueData( ThisClass, typename ThisClass::ViewData )
83} // namespace osgShadow