glc_light.h

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/****************************************************************************

 This file is part of the GLC-lib library.
 Copyright (C) 2005-2008 Laurent Ribon (laumaya@users.sourceforge.net)
 Version 2.0.0 Beta 1, packaged on April 2010.

 http://glc-lib.sourceforge.net

 GLC-lib is free software; you can redistribute it and/or modify
 it under the terms of the GNU General Public License as published by
 the Free Software Foundation; either version 2 of the License, or
 (at your option) any later version.

 GLC-lib 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 General Public License for more details.

 You should have received a copy of the GNU General Public License
 along with GLC-lib; if not, write to the Free Software
 Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA

*****************************************************************************/


#ifndef GLC_LIGHT_H_
#define GLC_LIGHT_H_

#include <QColor>
#include "../glc_object.h"
#include "../maths/glc_vector3d.h"

#include "../glc_config.h"




class GLC_LIB_EXPORT GLC_Light :
        public GLC_Object
{


public:

        GLC_Light();
        //* Construct GLC_Light with specified diffuse color
        GLC_Light(const QColor& );

        virtual ~GLC_Light(void);



public:
        inline GLC_Point3d position(void) const {return m_Position;}

        inline QColor ambientColor() {return m_AmbientColor;}

        inline QColor diffuseColor() { return m_DiffuseColor;}

        inline QColor specularColor() {return m_SpecularColor;}

        inline bool isTwoSided() const {return m_TwoSided;}



public:
        void setPosition(const GLC_Point3d &);

        void setPosition(GLfloat, GLfloat, GLfloat);

        void setAmbientColor(const QColor &);

        void setDiffuseColor(const QColor &);

        void setSpecularColor(const QColor &);

        inline void setTwoSided(const bool mode)
        {
                m_TwoSided= mode;
                m_ListIsValid = false;
        }



public:
        inline void enable(void)
        {glEnable(m_LightID);}

        // Disable the light
        inline void disable(void)
        {glDisable(m_LightID);}

        virtual void glExecute(GLenum Mode= GL_COMPILE_AND_EXECUTE);




private:
        void glDraw(void);

        void creationList(GLenum Mode);

private:

        void deleteList(void);


// Private Members

private:
        GLenum m_LightID;

        GLuint m_ListID;

        bool m_ListIsValid;

        QColor m_AmbientColor;
        QColor m_DiffuseColor;
        QColor m_SpecularColor;

        GLC_Point3d m_Position;

        bool m_TwoSided;

};
#endif //GLC_LIGHT_H_