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From Cedric Pinson, Add UpdateMaterial callback to animate material\nUpdate LinkVisitor to traverse stateset\nUpdate ReaderWriter to read osgAnimation::UpdateMaterial Callback\nUpdate nathan.osg data file to demonstrate the MaterialAnimation

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Cedric Pinson
2009-08-03 09:48:12 +00:00
parent 239aed9a88
commit d2af7efc61
9 changed files with 242 additions and 80 deletions
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113
src/osgAnimation/UpdateCallback.cpp
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@@ -1,5 +1,5 @@
/* -*-c++-*-
* Copyright (C) 2008 Cedric Pinson <mornifle@plopbyte.net>
* 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
@@ -18,63 +18,18 @@
using namespace osgAnimation;
osgAnimation::AnimationManagerBase* AnimationUpdateCallback::getAnimationManager() { return _manager.get(); }
AnimationUpdateCallback::AnimationUpdateCallback(const AnimationUpdateCallback& apc,const osg::CopyOp& copyop):
osg::NodeCallback(apc, copyop),
_manager(apc._manager) {}
int AnimationUpdateCallback::link(osgAnimation::Animation* animation)
{
if (getName().empty())
osg::notify(osg::WARN) << "An update callback has no name, it means it can link only with \"\" named Target, often an error" << std::endl;
int nbLinks = 0;
for (osgAnimation::ChannelList::iterator it = animation->getChannels().begin();
it != animation->getChannels().end();
it++)
{
std::string targetName = (*it)->getTargetName();
if (targetName == getName())
{
link((*it).get());
nbLinks++;
}
}
return nbLinks;
}
void AnimationUpdateCallback::updateLink()
{
if (_manager.valid())
{
if (needLink())
{
/** this item is not linked yet then we do it for all animation
registered in the manager.
Maybe this function should be on the manager side like
_manager->linkItem(Bone);
*/
const AnimationList& animationList = _manager->getAnimationList();
for (AnimationList::const_iterator it = animationList.begin(); it != animationList.end(); it++)
link(it->get());
_manager->buildTargetReference();
}
}
}
UpdateTransform::UpdateTransform(const UpdateTransform& apc,const osg::CopyOp& copyop)
: osg::Object(apc, copyop),
AnimationUpdateCallback(apc, copyop)
AnimationUpdateCallback<osg::NodeCallback>(apc, copyop)
{
_euler = new osgAnimation::Vec3Target(apc._euler->getValue());
_position = new osgAnimation::Vec3Target(apc._position->getValue());
_scale = new osgAnimation::Vec3Target(apc._scale->getValue());
}
UpdateTransform::UpdateTransform(const std::string& name) : AnimationUpdateCallback(name)
UpdateTransform::UpdateTransform(const std::string& name):
AnimationUpdateCallback<osg::NodeCallback>(name)
{
_euler = new osgAnimation::Vec3Target;
_position = new osgAnimation::Vec3Target;
@@ -167,7 +122,65 @@ bool UpdateTransform::link(osgAnimation::Channel* channel)
}
else
{
std::cerr << "Channel " << channel->getName() << " does not contain a valid symbolic name for this class" << std::endl;
osg::notify(osg::WARN) << "Channel " << channel->getName() << " does not contain a valid symbolic name for this class" << className() << std::endl;
}
return false;
}
UpdateMaterial::UpdateMaterial(const UpdateMaterial& apc,const osg::CopyOp& copyop)
: osg::Object(apc, copyop),
AnimationUpdateCallback<osg::StateAttribute::Callback>(apc, copyop)
{
_diffuse = new osgAnimation::Vec4Target(apc._diffuse->getValue());
}
UpdateMaterial::UpdateMaterial(const std::string& name):
AnimationUpdateCallback<osg::StateAttribute::Callback>(name)
{
_diffuse = new osgAnimation::Vec4Target(osg::Vec4(1,1,1,1));
}
/** 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);
}
}
void UpdateMaterial::update(osg::Material& material)
{
osg::Vec4 diffuse = _diffuse->getValue();
material.setDiffuse(osg::Material::FRONT_AND_BACK, diffuse);
}
bool UpdateMaterial::needLink() const
{
// the idea is to return true if nothing is linked
return (_diffuse->getCount() < 2);
}
bool UpdateMaterial::link(osgAnimation::Channel* channel)
{
if (channel->getName().find("diffuse") != std::string::npos)
{
osgAnimation::Vec4LinearChannel* d = dynamic_cast<osgAnimation::Vec4LinearChannel*>(channel);
if (d)
{
d->setTarget(_diffuse.get());
return true;
}
}
else
{
osg::notify(osg::WARN) << "Channel " << channel->getName() << " does not contain a valid symbolic name for this class " << className() << std::endl;
}
return false;
}