IvfLighting.h

//
// Copyright 1999-2006 by Structural Mechanics, Lund University.
//
// This library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Library General Public
// License as published by the Free Software Foundation; either
// version 2 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
// Library General Public License for more details.
//
// You should have received a copy of the GNU Library General Public
// License along with this library; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
// USA.
//
// Please report all bugs and problems to "ivf@byggmek.lth.se".
//
//
// Written by Jonas Lindemann
//

#ifndef _CIvfLighting_h_
#define _CIvfLighting_h_

#include <ivf/IvfBase.h>
#include <ivf/IvfLight.h>

#include <ivfdef/IvfSingletonDestroyer.h>

IvfStdPointer(CIvfLighting);

class IVF_API CIvfLighting : public CIvfBase {
private:
        static CIvfLighting* m_instance;
        static CIvfSingletonDestroyer<CIvfLighting> m_destroyer;
        std::vector<CIvfLight*> m_lights;
        GLfloat m_ambient[4];
        GLint m_local[1], m_twoside[1];
        std::vector<bool> m_enabled;
public: 
        static CIvfLighting* getInstance();

        IvfClassInfo("CIvfLighting",CIvfBase);


        void render();

        void enable();

        void disable();

        bool isEnabled();

        void disableLights();
        
        void enableLights();

        void saveState();

        void restoreState();

        void setTwoSide(bool flag);

        bool getTwoSide();

        void setLocalViewer(bool flag);

        bool getLocalViewer();

        CIvfLight* getLight(int idx);

        int getSize();

        void setAmbientColor(float red, float green, float blue, float alpha);

        void restoreEnabledState();

        void saveEnabledState();
protected:
        CIvfLighting();
        ~CIvfLighting();
        friend class CIvfSingletonDestroyer<CIvfLighting>;
};
 
#endif 

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