OpenSceneGraph/include/osgShadow/MinimalCullBoundsShadowMap
2012-03-21 17:36:20 +00:00

83 lines
3.0 KiB
C++

/* -*-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_MINIMALCULLBOUNDSSHADOWMAP
#define OSGSHADOW_MINIMALCULLBOUNDSSHADOWMAP 1
#include <osgShadow/MinimalShadowMap>
namespace osgShadow {
class OSGSHADOW_EXPORT MinimalCullBoundsShadowMap
: public MinimalShadowMap
{
public :
/** Convenient typedef used in definition of ViewData struct and methods */
typedef MinimalCullBoundsShadowMap ThisClass;
/** Convenient typedef used in definition of ViewData struct and methods */
typedef MinimalShadowMap BaseClass;
/** Classic OSG constructor */
MinimalCullBoundsShadowMap();
/** Classic OSG cloning constructor */
MinimalCullBoundsShadowMap(
const MinimalCullBoundsShadowMap& mcbsm,
const osg::CopyOp& copyop=osg::CopyOp::SHALLOW_COPY);
/** Declaration of standard OSG object methods */
META_Object( osgShadow, MinimalCullBoundsShadowMap );
protected:
/** Classic protected OSG destructor */
virtual ~MinimalCullBoundsShadowMap(void);
struct OSGSHADOW_EXPORT ViewData: public MinimalShadowMap::ViewData
{
virtual void init( ThisClass * st, osgUtil::CullVisitor * cv );
virtual void cullShadowReceivingScene( );
virtual void aimShadowCastingCamera( const osg::Light *light,
const osg::Vec4 &worldLightPos,
const osg::Vec3 &worldLightDir,
const osg::Vec3 &worldLightUp
= osg::Vec3(0,1,0) );
typedef std::vector< osgUtil::RenderLeaf* > RenderLeafList;
static unsigned RemoveOldRenderLeaves
( RenderLeafList &rllNew, RenderLeafList &rllOld );
static unsigned RemoveIgnoredRenderLeaves( RenderLeafList &rll );
static osg::BoundingBox ComputeRenderLeavesBounds
( RenderLeafList &rll, osg::Matrix & projectionToWorld );
static osg::BoundingBox ComputeRenderLeavesBounds
( RenderLeafList &rll, osg::Matrix & projectionToWorld, osg::Polytope & polytope );
static void GetRenderLeaves
( osgUtil::RenderBin *rb, RenderLeafList &rll );
};
META_ViewDependentShadowTechniqueData( ThisClass, ThisClass::ViewData )
};
} // namespace osgShadow
#endif