scenegraph/material.cpp

   1 //
   2 // rendermgr
   3 //
   4 // Description:
   5 //
   6 //
   7 // Author: Antoine Chavasse <a.chavasse@gmail.com>, (C) 2005
   8 //
   9 // Copyright: See COPYING file that comes with this distribution
  10 //
  11 //
  12 #include "material.h"
  13 //#include "GL/glew.h"
  14
  15 using namespace sluggish;
  16
  17 Material::Material() :
  18         m_Shininess( 0.5f ),
  19         m_VertexColorChannel( e_NONE )
  20 {
  21 }
  22
  23 bool Material::operator==( const Material& _Mat ) const
  24 {
  25 //      if( m_pTexture != _Mat.m_pTexture )
  26         //      return false;
  27
  28         if( m_Ambient != _Mat.m_Ambient )
  29                 return false;
  30
  31         if( m_Diffuse != _Mat.m_Diffuse )
  32                 return false;
  33
  34         if( m_Specular != _Mat.m_Specular )
  35                 return false;
  36
  37         if( m_Emission != _Mat.m_Emission )
  38                 return false;
  39
  40         if( m_Shininess != _Mat.m_Shininess )
  41                 return false;
  42
  43         return true;
  44 }
  45
  46 bool Material::operator<( const Material& _Mat ) const
  47 {
  48         // TODO: texture comparison stuff
  49 //      if( m_pTexture ! _Mat.m_pTexture )
  50 //              return false;
  51
  52         if( m_Ambient < _Mat.m_Ambient )
  53                 return false;
  54
  55         if( m_Diffuse < _Mat.m_Diffuse )
  56                 return false;
  57
  58         if( m_Specular < _Mat.m_Specular )
  59                 return false;
  60
  61         if( m_Emission < _Mat.m_Emission )
  62                 return false;
  63
  64         if( m_Shininess < _Mat.m_Shininess )
  65                 return false;
  66
  67         return false;
  68 }
  69
  70 void Material::setup() const
  71 {
  72         // TODO: animatable
  73         //eval();
  74
  75         glMaterialfv( GL_FRONT, GL_AMBIENT, m_Ambient.asArray() );
  76         glMaterialfv( GL_FRONT, GL_DIFFUSE, m_Diffuse.asArray() );
  77         glMaterialfv( GL_FRONT, GL_SPECULAR, m_Specular.asArray() );
  78         glMaterialfv( GL_FRONT, GL_EMISSION, m_Emission.asArray() );
  79         glMaterialf( GL_FRONT, GL_SHININESS, m_Shininess );
  80
  81         if( m_VertexColorChannel == e_NONE )
  82                 glDisable( GL_COLOR_MATERIAL );
  83         else
  84         {
  85                 switch( m_VertexColorChannel )
  86                 {
  87                         case e_EMISSION:
  88                                 glColorMaterial( GL_FRONT, GL_EMISSION );
  89                                 break;
  90
  91                         case e_AMBIENT:
  92                                 glColorMaterial( GL_FRONT, GL_AMBIENT );
  93                                 break;
  94
  95                         case e_DIFFUSE:
  96                                 glColorMaterial( GL_FRONT, GL_DIFFUSE );
  97                                 break;
  98
  99                         case e_SPECULAR:
 100                                 glColorMaterial( GL_FRONT, GL_SPECULAR );
 101                                 break;
 102
 103                         case e_AMBIENT_AND_DIFFUSE:
 104                                 glColorMaterial( GL_FRONT, GL_AMBIENT_AND_DIFFUSE );
 105                                 break;
 106
 107                         default:
 108                                 break;
 109                 }
 110
 111                 glEnable( GL_COLOR_MATERIAL );
 112         }
 113
 114         // TODO: texture
 115         /*if( m_pTexture.IsValid() )
 116                 m_pTexture->Setup();
 117         else
 118         glDisable( GL_TEXTURE_2D );*/
 119 }