material.h

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/*! \file
  \brief  The disti::Material class.

  \par Copyright Information

  Copyright (c) 2015 by The DiSTI Corporation.<br>
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  NO WARRANTY. THE SOFTWARE IS PROVIDED "AS-IS," WITHOUT WARRANTY OF ANY KIND,
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*/

#ifndef _MATERIAL_H
#define _MATERIAL_H

#include "gls_color.h"
#include "unhide_globals.h"
#include "gls_gl.h"
#include <string>
#include <iosfwd> //Forward references for the stream operators
#include "display_types.h"

namespace disti
{

/** The Material class
  */
class Material
{
public:
    static glsColor _ambientDefault;   /** The ambient value for the default material */
    static glsColor _diffuseDefault;   /** The diffuse value for the default material */
    static glsColor _specularDefault;  /** The specular value for the default material */
    static glsColor _emissionDefault;  /** The emission value for the default material */
    static float    _shininessDefault; /** The shininess value for the default material */

    glsColor _ambient;   /** Ambient component of the material */
    glsColor _diffuse;   /** Diffuse component of the material */
    glsColor _specular;  /** Specular component of the material */
    glsColor _emission;  /** Emission component of the material */
    float    _shininess; /** Shininess component of the material */
    bool     _inUse;     /** True if the material is in use */ 
    std::string _name;   /** String name of the material */
    ColorMaterialMode_e _colorMaterialMode; /* Color mode to use for this material */
 
    GLS_EXPORT Material();
    GLS_EXPORT Material(
        const glsColor& ambient,
        const glsColor& diffuse,
        const glsColor& specular,
        const glsColor& emission,
        const float& shininess);

    /** Materials are equivalent if all of their parameters are the same */
    inline static bool MaterialsAreEquivalent(const Material& m1, const Material& m2)
    {
        return
            m1._name == m2._name &&
            m1._ambient == m2._ambient &&
            m1._specular == m2._specular &&
            m1._diffuse == m2._diffuse &&
            m1._emission == m2._emission &&
            m1._shininess == m2._shininess;
    }

    /** Applies the ambient component of this material to the OpenGL pipeline 
      * \param face Which faces to apply this to (front, back or front and back faces)
      */
    GLS_EXPORT void ApplyAmbient  (GLenum face = GL_FRONT_AND_BACK);

    /** Applies the diffuse component of this material to the OpenGL pipeline 
      * \param face Which faces to apply this to (front, back or front and back faces)
      */
    GLS_EXPORT void ApplyDiffuse  (GLenum face = GL_FRONT_AND_BACK);

    /** Applies the specular component of this material to the OpenGL pipeline 
      * \param face Which faces to apply this to (front, back or front and back faces)
      */
    GLS_EXPORT void ApplySpecular (GLenum face = GL_FRONT_AND_BACK);

    /** Applies the emission component of this material to the OpenGL pipeline 
      * \param face Which faces to apply this to (front, back or front and back faces)
      */
    GLS_EXPORT void ApplyEmission (GLenum face = GL_FRONT_AND_BACK);

    /** Applies the shininess component of this material to the OpenGL pipeline 
      * \param face Which faces to apply this to (front, back or front and back faces)
      */
    GLS_EXPORT void ApplyShininess(GLenum face = GL_FRONT_AND_BACK);\

    /** Applies all of the components of this material to the OpenGL pipeline 
      * \param face Which faces to apply this to (front, back or front and back faces)
      */
    GLS_EXPORT void ApplyAll(GLenum face = GL_FRONT_AND_BACK);

    /** \return True if this material is in use */
    GLS_EXPORT bool InUse(void);

    /** Sets whether this material is in use 
      * \param val  Whether this material is in use 
      */
    GLS_EXPORT void InUse(bool val);

    /** \return The material name */
    GLS_EXPORT std::string& Name(void);

    /** Sets the material name
      * \param name  The material name
      */
    GLS_EXPORT void Name(const std::string& name);
};

GLS_EXPORT bool operator==(const Material & rhs, const Material& lhs );
GLS_EXPORT bool operator!=(const Material & rhs, const Material& lhs );

/** Stream operator to write a material to a stream */
GLS_EXPORT std::ostream & operator<<(std::ostream & outstr, const Material & mat);

/** Stream operator to read a material from a stream */
GLS_EXPORT std::istream & operator>>(std::istream & instr, Material & mat);

} // namespace disti

#endif