OpenSceneGraph/src/osgAnimation/UpdateBone.cpp
2010-05-28 16:07:09 +00:00

55 lines
1.9 KiB
C++

/* -*-c++-*-
* Copyright (C) 2009 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.
*/
#include <osg/NodeVisitor>
#include <osgAnimation/Bone>
#include <osgAnimation/UpdateBone>
using namespace osgAnimation;
UpdateBone::UpdateBone(const std::string& name) : UpdateMatrixTransform(name)
{
}
UpdateBone::UpdateBone(const UpdateBone& apc,const osg::CopyOp& copyop) : osg::Object(apc,copyop), UpdateMatrixTransform(apc, copyop)
{
}
/** Callback method called by the NodeVisitor when visiting a node.*/
void UpdateBone::operator()(osg::Node* node, osg::NodeVisitor* nv)
{
if (nv && nv->getVisitorType() == osg::NodeVisitor::UPDATE_VISITOR)
{
Bone* b = dynamic_cast<Bone*>(node);
if (!b)
{
OSG_WARN << "Warning: UpdateBone set on non-Bone object." << std::endl;
return;
}
// here we would prefer to have a flag inside transform stack in order to avoid update and a dirty state in matrixTransform if it's not require.
_transforms.update();
const osg::Matrix& matrix = _transforms.getMatrix();
b->setMatrix(matrix);
Bone* parent = b->getBoneParent();
if (parent)
b->setMatrixInSkeletonSpace(b->getMatrixInBoneSpace() * parent->getMatrixInSkeletonSpace());
else
b->setMatrixInSkeletonSpace(b->getMatrixInBoneSpace());
}
traverse(node,nv);
}