VRS - The Virtual Rendering System

version 3.3

shadowcaster.h

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 /**********************************************************************
 VRS - The Virtual Rendering System
 Copyright (C) 2001 Computer Graphics Systems Group at the 
 Hasso-Plattner-Institute, Potsdam, Germany.
 This library is free software; you can redistribute it and/or 
 modify it under the terms of the GNU Lesser General Public 
 License as published by the Free Software Foundation; either 
 version 2.1 of the License, or (at your option) any later version.
 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 GNU Lesser General Public License for more details.
 You should have received a copy of the GNU Lesser+ General Public
 License along with this library; if not, write to the FreeSoftware 
 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA, 02111-1307, USA.
 **********************************************************************/
// $Id: shadowcaster.h 4633 2005-01-03 01:43:11Z klimetschek $
// $Date: 2005-01-03 02:43:11 +0100 (Mon, 03 Jan 2005) $
// $Revision: 4633 $
// $State$
// $Author: klimetschek $
//
// $Log$
// Revision 1.20  2005/01/03 01:43:08  klimetschek
// - modified win32 project layout, splitted vrs.vcproj into vrs_container, vrs_core, vrs_sg, vrs_image, vrs_opengl and vrs_io
// - removed vrs.vcproj
// minor things:
// - added all glutexamples to vrs4glut.sln
// - fixed some problems in glutexamples
// - removed all project references from all VS projects (using solution wide project dependencies instead)
//
// Revision 1.19  2004/11/08 09:31:27  kirsch
// standardized CalculationMode enum
//
// Revision 1.18  2004/10/26 18:53:13  kirsch
// added static and dynamic shadow map calculation modes
//
// Revision 1.17  2004/03/12 16:28:39  baumann
// macros VRS_NAMESPACE_BEGIN/_END expanded and removed
//
// Revision 1.16  2004/01/19 11:43:57  baumann
// serialization mechanism improved
//
// Revision 1.15  2003/11/07 14:19:24  kirsch
// removed leading underscore from include guards
//
// Revision 1.14  2003/07/23 17:04:49  baumann
// code cleanup (especially untabified)
//
// Revision 1.13  2002/10/29 10:32:52  baumann
// macros VRS_CLASSNAME_* and VRS_IMPL_TYPEINFO_* removed
//
// Revision 1.12  2002/05/10 10:14:05  kirsch
// cleaned up interface
//
// Revision 1.11  2002/03/03 21:44:25  kosta
// VRS_TYPEINFO-macro rewritten
//
// Revision 1.10  2002/02/19 10:34:11  kosta
// undone all changes since 2002-02-15
//
// Revision 1.7  2002/02/05 07:48:25  kosta
// new persistency macros:
//     VRS_SERIALIZABLE(CLASS_NAME);
//     VRS_SERIALIZABLE_ABSTRACT_CLASS(CLASS_NAME);
//     VRS_SERIALIZABLE_NO_SO_CLASS(CLASS_NAME)
//
// Revision 1.6  2002/02/04 13:07:19  kosta
// VRS_SERIALIZABLE macros completely rewritten
//
// Revision 1.5  2002/01/15 16:25:54  kosta
// macros rewritten for a better namespace support
//
// Revision 1.4  2001/11/13 16:36:30  kirsch
// changed line feed to unix style (removed control-M)
//
// Revision 1.3  2001/09/05 14:14:36  kirsch
// Documentation updates
//
// Revision 1.2  2001/08/09 15:37:10  kirsch
// Added shadows in OpenGL, created with alpha depthmaps.
// Still experimental, some flaws
//
// Revision 1.1.2.1  2001/06/22 15:28:40  kirsch
// Added shadow-attributes and depthmapshadowtechniquegl.
// Still broken! Don't Use! Only for Distributing!
//

#ifndef VRS_SHADOWCASTER_H
#define VRS_SHADOWCASTER_H

#include <vrs/polyattribute.h>

namespace VRS {

    class Light;

    class VRS_CORE_API ShadowCaster : public PolyAttribute {
    public:
        enum CalculationMode {
            CM_Dynamic,
            CM_CheckModified,
            CM_Static
        };
        VRS_SERIALIZABLE_CLASS_ENUM(CalculationMode);

        ShadowCaster(Light* light, CalculationMode mode = CM_Dynamic);
        void setLightSource(Light* light);            
        Light* getLightSource() const;            
        void setCalculationMode(CalculationMode);
        CalculationMode getCalculationMode() const;
        void modifiedCallback(SharedObj*);
        VRS_TYPEINFO(ShadowCaster, PolyAttribute);
        VRS_SERIALIZABLE(ShadowCaster);

    protected:
        ShadowCaster(); // only for serialization

    private:
        SO<Light> m_lightsrc;
        CalculationMode m_calculationMode;
    };

} // namespace VRS

#endif // VRS_SHADOWCASTER_H

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