/*  -*-c++-*- 
 *  Copyright (C) 2008 Cedric Pinson <cedric.pinson@plopbyte.net>
 *
 * This library is open source and may be redistributed and/or modified under  
 * the terms of the OpenSceneGraph Public License (OSGPL) version 0.0 or 
 * (at your option) any later version.  The full license is in LICENSE file
 * included with this distribution, and on the openscenegraph.org website.
 * 
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the 
 * OpenSceneGraph Public License for more details.
*/

#ifndef COMPUTE_BIND_MATRIX_VISITOR_H
#define COMPUTE_BIND_MATRIX_VISITOR_H 1

#include <osg/NodeVisitor>
#include <osgAnimation/Bone>

namespace osgAnimation
{

    class ComputeBindMatrixVisitor : public osg::NodeVisitor
    {
    public:
        ComputeBindMatrixVisitor(): osg::NodeVisitor(osg::NodeVisitor::TRAVERSE_ALL_CHILDREN) {}
        void apply(osg::Node& node) { return; }
        void apply(osg::Transform& node) 
        {
            osgAnimation::Bone* bone = dynamic_cast<osgAnimation::Bone*>(&node);
            if (!bone)
                return;
            if (bone->needToComputeBindMatrix())
                bone->computeBindMatrix();

            traverse(node);
        }
    };

}

#endif