Files
OpenSceneGraph/src/osgAnimation/UpdateMaterial.cpp
2012-03-21 17:36:20 +00:00

64 lines
2.1 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 <osgAnimation/UpdateMaterial>
#include <osg/NodeVisitor>
using namespace osgAnimation;
UpdateMaterial::UpdateMaterial(const UpdateMaterial& apc,const osg::CopyOp& copyop)
: osg::Object(apc, copyop),
AnimationUpdateCallback<osg::StateAttributeCallback>(apc, copyop)
{
_diffuse = new osgAnimation::Vec4Target(apc._diffuse->getValue());
}
UpdateMaterial::UpdateMaterial(const std::string& name):
AnimationUpdateCallback<osg::StateAttributeCallback>(name)
{
_diffuse = new osgAnimation::Vec4Target(osg::Vec4(1,0,1,1));
}
/** Callback method called by the NodeVisitor when visiting a node.*/
void UpdateMaterial::operator()(osg::StateAttribute* sa, osg::NodeVisitor* nv)
{
if (nv && nv->getVisitorType() == osg::NodeVisitor::UPDATE_VISITOR)
{
osg::Material* material = dynamic_cast<osg::Material*>(sa);
if (material)
update(*material);
}
}
osgAnimation::Vec4Target* UpdateMaterial::getDiffuse() { return _diffuse.get(); }
void UpdateMaterial::update(osg::Material& material)
{
osg::Vec4 diffuse = _diffuse->getValue();
material.setDiffuse(osg::Material::FRONT_AND_BACK, diffuse);
}
bool UpdateMaterial::link(osgAnimation::Channel* channel)
{
if (channel->getName().find("diffuse") != std::string::npos)
{
return channel->setTarget(_diffuse.get());
}
else
{
OSG_WARN << "Channel " << channel->getName() << " does not contain a valid symbolic name for this class " << className() << std::endl;
}
return false;
}