SceneGraph.cc

/*===========================================================================*\
 *                                                                           *
 *                              OpenFlipper                                  *
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\*===========================================================================*/

/*===========================================================================*\
 *                                                                           *
 *   $Revision: 6743 $                                                       *
 *   $Author: moebius $                                                      *
 *   $Date: 2009-08-05 11:03:10 +0200 (Mi, 05. Aug 2009) $                   *
 *                                                                           *
\*===========================================================================*/




//=============================================================================
//
//  CLASS SceneGraph - IMPLEMENTATION
//
//=============================================================================

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


#include "SceneGraph.hh"
#include "../GL/ColorTranslator.hh"


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

namespace ACG {
namespace SceneGraph {


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


BaseNode* find_node(BaseNode* _root, unsigned int _node_idx) 
{
  FindNodeAction action(_node_idx);
  traverse(_root, action);
  return action.node_ptr();
}


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


bool PickAction::operator()(BaseNode* _node)
{
  // If picking is disabled for the given Node, return here
  // As this is not a failure return true;
  if ( !_node->pickingEnabled() )
    return true;
  
  glDisable(GL_LIGHTING);
  glDisable(GL_DITHER);
  glShadeModel(GL_FLAT);

  state_.pick_push_name ((GLuint) _node->id());

  _node->pick(state_, pickTarget_);

  state_.pick_pop_name ();
  return true;
}


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