basic/opengl/GL_Material.cpp

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//## begin module%373B17C102DE.cm preserve=no
//        %X% %Q% %Z% %W%
//## end module%373B17C102DE.cm

//## begin module%373B17C102DE.cp preserve=no
//## end module%373B17C102DE.cp

//## Module: GL_Material%373B17C102DE; Pseudo Package body
//## Source file: C:\project\mpk\code\OpenGL\GL_Material.cpp

//## begin module%373B17C102DE.additionalIncludes preserve=no
//## end module%373B17C102DE.additionalIncludes

//## begin module%373B17C102DE.includes preserve=yes
#include <assert.h>
#include "glos.h"
#include <gl/gl.h>
//## end module%373B17C102DE.includes

// GL_Material
#include "OpenGL\GL_Material.h"
//## begin module%373B17C102DE.additionalDeclarations preserve=yes
GL_Material GL_Material::matGrayPlastic;
//## end module%373B17C102DE.additionalDeclarations


// Class GL_Material 






//## begin GL_Material::matRedPlastic%373B23B9012B.role preserve=no  public: static GL_Material { -> 1VFHAN}
GL_Material GL_Material::matRedPlastic;
//## end GL_Material::matRedPlastic%373B23B9012B.role


//## begin GL_Material::matGreenPlastic%373B25880069.role preserve=no  public: static GL_Material { -> 1VFHAN}
GL_Material GL_Material::matGreenPlastic;
//## end GL_Material::matGreenPlastic%373B25880069.role


GL_Material::GL_Material ()
  //## begin GL_Material::GL_Material%926619736.hasinit preserve=no
  //## end GL_Material::GL_Material%926619736.hasinit
  //## begin GL_Material::GL_Material%926619736.initialization preserve=yes
  :shininess( 10 )
  //## end GL_Material::GL_Material%926619736.initialization
{
  //## begin GL_Material::GL_Material%926619736.body preserve=yes
        ambient[ 0 ] = static_cast< float>( 0.1 );
        ambient[ 1 ] = static_cast< float>( 0.1 );
        ambient[ 2 ] = static_cast< float>( 0.1 );
        ambient[ 3 ] = static_cast< float>( 1 );

        diffuse[ 0 ] = static_cast< float>( 0.5 );
        diffuse[ 1 ] = static_cast< float>( 0.5 );
        diffuse[ 2 ] = static_cast< float>( 0.5 );
        diffuse[ 3 ] = static_cast< float>( 1 );

        specular[ 0 ] = static_cast< float>( 0 );
        specular[ 1 ] = static_cast< float>( 0 );
        specular[ 2 ] = static_cast< float>( 0 );
        specular[ 3 ] = static_cast< float>( 0 );

        emission[ 0 ] = static_cast< float>( 0 );
        emission[ 1 ] = static_cast< float>( 0 );
        emission[ 2 ] = static_cast< float>( 0 );
        emission[ 3 ] = static_cast< float>( 1 );
  //## end GL_Material::GL_Material%926619736.body
}

GL_Material::GL_Material (GL_Material& right)
  //## begin GL_Material::GL_Material%926619742.hasinit preserve=no
  //## end GL_Material::GL_Material%926619742.hasinit
  //## begin GL_Material::GL_Material%926619742.initialization preserve=yes
  //## end GL_Material::GL_Material%926619742.initialization
{
  //## begin GL_Material::GL_Material%926619742.body preserve=yes
        for( int i = 0; i < 4; i ++ )
        {
                ambient[ i ] = right.ambient[ i ] ;
                diffuse[ i ] = right.diffuse[ i ] ;
                specular[ i ] = right.specular[ i ] ;
                emission[ i ] = right.emission[ i ] ;
                shininess = right.shininess ;
        }
  //## end GL_Material::GL_Material%926619742.body
}


GL_Material::~GL_Material()
{
  //## begin GL_Material::~GL_Material%.body preserve=yes
  //## end GL_Material::~GL_Material%.body
}



//## Other Operations (implementation)
void GL_Material::SetAmbient (double r, double g, double b, double a)
{
  //## begin GL_Material::SetAmbient%926619734.body preserve=yes
        ambient[ 0 ] = static_cast< float >( r ) ;
        ambient[ 1 ] = static_cast< float >( g ) ;
        ambient[ 2 ] = static_cast< float >( b ) ;
        ambient[ 3 ] = static_cast< float >( a ) ;
  //## end GL_Material::SetAmbient%926619734.body
}

void GL_Material::SetDiffuse (double r, double g, double b, double a)
{
  //## begin GL_Material::SetDiffuse%926619737.body preserve=yes
        diffuse[ 0 ] = static_cast< float >( r ) ;
        diffuse[ 1 ] = static_cast< float >( g ) ;
        diffuse[ 2 ] = static_cast< float >( b ) ;
        diffuse[ 3 ] = static_cast< float >( a ) ;
  //## end GL_Material::SetDiffuse%926619737.body
}

void GL_Material::SetSpecular (double r, double g, double b, double a)
{
  //## begin GL_Material::SetSpecular%926619738.body preserve=yes
        specular[ 0 ] = static_cast< float >( r );
        specular[ 1 ] = static_cast< float >( g );
        specular[ 2 ] = static_cast< float >( b );
        specular[ 3 ] = static_cast< float >( a );
  //## end GL_Material::SetSpecular%926619738.body
}

void GL_Material::SetShininess (double shininess)
{
  //## begin GL_Material::SetShininess%926619739.body preserve=yes
        this->shininess = shininess ;
  //## end GL_Material::SetShininess%926619739.body
}

void GL_Material::SetTransparancy (double alpha)
{
  //## begin GL_Material::SetTransparancy%926619740.body preserve=yes
        //set the alpha values appropriately
        ambient[ 3 ] = static_cast< float>( alpha ) ;
        diffuse[ 3 ] = static_cast< float>( alpha ) ;
        specular[ 3 ] = static_cast< float>( alpha ) ;
        emission[ 3 ] = static_cast< float>( alpha ) ;

        //check to see if alpha blending is enabled
        if( !glIsEnabled( GL_BLEND ) )
        {
                assert( false ) ;  //alpha blending should be enabled, or else this will have no effect
                glEnable(GL_BLEND) ;    
        }
  //## end GL_Material::SetTransparancy%926619740.body
}

void GL_Material::SetupGlobalMaterials ()
{
  //## begin GL_Material::SetupGlobalMaterials%926619741.body preserve=yes
        //this function need only be called once
        static bool functionAlreadyCalled = false ;
        if( functionAlreadyCalled )
        {
//              return ;        //IMPROVE: this should not be called twice.
        }
        matRedPlastic.SetDiffuse( 0.8, 0, 0 ) ;
        matRedPlastic.SetAmbient( 0.2, 0, 0 ) ;
        matGreenPlastic.SetDiffuse( 0, 0.8, 0 ) ;
        matGreenPlastic.SetAmbient( 0, 0.2, 0 ) ;
        matRedPlastic.SetDiffuse( 0.8, 0.8, 0.8 ) ;
        matRedPlastic.SetAmbient( 0.2, 0.0, 0.0 ) ;
        functionAlreadyCalled = true ;
  //## end GL_Material::SetupGlobalMaterials%926619741.body
}

GL_Material& GL_Material::operator = (const GL_Material& right)
{
  //## begin GL_Material::operator=%926619743.body preserve=yes
        if( this == &right )
        {
                return *this ;
        }
        for( int i = 0; i < 4; i ++ )
        {
                ambient[ i ] = right.ambient[ i ] ;
                diffuse[ i ] = right.diffuse[ i ] ;
                specular[ i ] = right.specular[ i ] ;
                emission[ i ] = right.emission[ i ] ;
                shininess = right.shininess ;
        }
        return *this ;
  //## end GL_Material::operator=%926619743.body
}

bool GL_Material::DrawExplicit () const
{
  //## begin GL_Material::DrawExplicit%950474928.body preserve=yes
        glMaterialfv(GL_FRONT_AND_BACK,GL_AMBIENT,ambient);
        glMaterialfv(GL_FRONT_AND_BACK,GL_DIFFUSE,diffuse);
        glMaterialfv(GL_FRONT_AND_BACK,GL_SPECULAR,specular);
        glMaterialfv(GL_FRONT_AND_BACK,GL_EMISSION,emission);
        glMaterialf(GL_FRONT_AND_BACK,GL_SHININESS, static_cast< float >( shininess ));
        return true ;
  //## end GL_Material::DrawExplicit%950474928.body
}

// Additional Declarations
  //## begin GL_Material%373B17C102DE.declarations preserve=yes
void GL_Material::GLDraw() const
{
        GL_Material::DrawExplicit() ;
}
  //## end GL_Material%373B17C102DE.declarations

//## begin module%373B17C102DE.epilog preserve=yes
//## end module%373B17C102DE.epilog


// Detached code regions:
// WARNING: this code will be lost if code is regenerated.
#if 0
//## begin GL_Material::DrawExplicit%926619735.body preserve=no
//## end GL_Material::DrawExplicit%926619735.body

#endif

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