EnvMapNode.cc

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//=============================================================================
//
//  CLASS EnvMapNode - IMPLEMENTATION
//
//=============================================================================


//== INCLUDES =================================================================


#include "EnvMapNode.hh"


//== NAMESPACES ===============================================================


namespace ACG {
namespace SceneGraph {


//== IMPLEMENTATION ==========================================================


EnvMapNode::EnvMapNode( BaseNode*            _parent,
                        const std::string&   _name ,
                        bool                _texture_repeat,
                        GLint               _texture_filter)
  : TextureNode(_parent, _name,_texture_repeat,_texture_filter)
{}


//----------------------------------------------------------------------------


DrawModes::DrawMode EnvMapNode::availableDrawModes() const
{
  return ACG::SceneGraph::DrawModes::SOLID_ENV_MAPPED;
}


//----------------------------------------------------------------------------


void EnvMapNode::enter(GLState& _state, const DrawModes::DrawMode& _drawmode)
{
  if (_drawmode==DrawModes::SOLID_ENV_MAPPED)
  {
    TextureNode::enter(_state, _drawmode);
    glTexGeni(GL_S, GL_TEXTURE_GEN_MODE, GL_SPHERE_MAP);
    glTexGeni(GL_T, GL_TEXTURE_GEN_MODE, GL_SPHERE_MAP);
    ACG::GLState::enable(GL_TEXTURE_GEN_S);
    ACG::GLState::enable(GL_TEXTURE_GEN_T);
    ACG::GLState::enable(GL_TEXTURE_2D);
  } else
    TextureNode::enter( _state, _drawmode);
}


//----------------------------------------------------------------------------


void EnvMapNode::leave(GLState& _state, const DrawModes::DrawMode& _drawmode)
{
  if (_drawmode==DrawModes::SOLID_ENV_MAPPED)
  {
    TextureNode::leave(_state, _drawmode);
    ACG::GLState::disable(GL_TEXTURE_GEN_S);
    ACG::GLState::disable(GL_TEXTURE_GEN_T);
    ACG::GLState::disable(GL_TEXTURE_2D);
  } else
    TextureNode::leave( _state, _drawmode);
}

void EnvMapNode::enterPick(GLState& /*_state*/ , PickTarget /*_target*/, const DrawModes::DrawMode& /*_drawMode*/ ) {

}

void EnvMapNode::leavePick(GLState& /*_state*/, PickTarget /*_target*/, const DrawModes::DrawMode& /*_drawMode*/ ) {
}


//=============================================================================
} // namespace SceneGraph
} // namespace ACG
//=============================================================================