IvfOldLight.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
// Modified by Carl-Johan Lejdfors
//

#ifndef _CIvfOldLight_h_
#define _CIvfOldLight_h_

#include <ivf/IvfObject.h>

IvfSmartPointer(CIvfOldLight);

static size_t IVF_MAX_LIGHTS = 8;

class IVF_API CIvfOldLight : public CIvfObject {
public:
        enum TLightType {
                LT_POINT,
                LT_DIRECTIONAL,
                LT_SPOT
        };
public:
        CIvfOldLight();

        virtual ~CIvfOldLight();

        CIvfOldLight& operator = ( const CIvfOldLight& ); 
        
        operator void*(); 

        IvfClassInfo("CIvfOldLight",CIvfObject);

        void setAmbient( const GLfloat r, const GLfloat g, 
                const GLfloat b, const GLfloat a );
        void setDiffuse( const GLfloat r, const GLfloat g, 
                const GLfloat b, const GLfloat a );
        void setSpecular( const GLfloat r, const GLfloat g, 
                const GLfloat b, const GLfloat a );
        
        void setPosition( const GLfloat x, const GLfloat y, const GLfloat z, const GLfloat w );
        void setPosition( const GLfloat x, const GLfloat y, const GLfloat z);
        void setDirection( const GLfloat x, const GLfloat y, const GLfloat z);

        void setConstAtt( const GLint a );
        
        void setLinAtt( const GLint a );

        void setQuadAtt( const GLint a );

        void getAmbient( GLfloat &r, GLfloat &g, GLfloat &b, GLfloat &a ) const;

        void getDiffuse( GLfloat &r, GLfloat &g, GLfloat &b, GLfloat &a ) const;

        void getSpecular( GLfloat &r, GLfloat &g, GLfloat &b, GLfloat &a ) const;
        
        void getPosition( GLfloat &x, GLfloat &y, GLfloat &z, GLfloat &w ) const;

        void getConstAtt( GLint &a ) const;

        void getLinAtt( GLint &a ) const;

        void getQuadAtt( GLint &a ) const;

        void render();

        void setSpotExponent(float exponent);

        float getSpotExponent();

        void setSpotCutoff(float cutoff);

        float getSpotCutoff();

        void setSpotDirection(float ex, float ey, float ez);

        void getSpotDirection(float &ex, float &ey, float &ez);

        void setType(TLightType lightType);

        TLightType getType();

        void activate();

        void deactivate();
        
protected:
        // disallow copying 
        CIvfOldLight( const CIvfOldLight& );
        
        static long lightmask; //available lights
        
private:
        int m_lightn; 
        
        GLfloat m_ambient[4];
        GLfloat m_diffuse[4];
        GLfloat m_specular[4];
        GLfloat m_position[4];
        GLint m_constatt;
        GLint m_linatt;
        GLint m_quadatt;

        GLfloat m_spotCutoff;
        GLfloat m_spotDirection[3];
        GLfloat m_spotExponent;

        TLightType m_lightType;
        bool m_active;
};
#endif /* IvfOldLight_H */

---