void AppearanceNode::setGLState(GLRenderState& renderState) const
{
if(material.getValue()!=0)
material.getValue()->setGLState(renderState);
else
{
renderState.disableMaterials();
renderState.emissiveColor=GLRenderState::Color(0.0f,0.0f,0.0f);
}
if(texture.getValue()!=0)
{
texture.getValue()->setGLState(renderState);
if(textureTransform.getValue()!=0)
{
/* Set the texture transformation: */
glMatrixMode(GL_TEXTURE);
glPushMatrix();
glMultMatrix(textureTransform.getValue()->getTransform());
glMatrixMode(GL_MODELVIEW);
}
}
else
renderState.disableTextures();
}
void ShapeNode::glRenderAction(GLRenderState& renderState) const
{
/* Set the attribute node's OpenGL state: */
if(appearance.getValue()!=0)
appearance.getValue()->setGLState(renderState);
else
{
/* Turn off all appearance aspects: */
renderState.disableMaterials();
renderState.emissiveColor=GLRenderState::Color(1.0f,1.0f,1.0f);
renderState.disableTextures();
}
/* Render the geometry node: */
if(geometry.getValue()!=0)
geometry.getValue()->glRenderAction(renderState);
/* Reset the attribute node's OpenGL state: */
if(appearance.getValue()!=0)
appearance.getValue()->resetGLState(renderState);
}