OpenSceneGraph/include/osgAnimation/AnimationUpdateCallback

80 lines
2.7 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.
*/
#ifndef OSGANIMATION_ANIMATION_UPDATE_CALLBACK
#define OSGANIMATION_ANIMATION_UPDATE_CALLBACK 1
#include <osg/Object>
#include <osgAnimation/Channel>
#include <osgAnimation/Animation>
#include <string>
namespace osgAnimation
{
class AnimationUpdateCallbackBase : public virtual osg::Object
{
public:
virtual bool link(Channel* channel) = 0;
virtual int link(Animation* animation) = 0;
};
template <class T>
class AnimationUpdateCallback : public AnimationUpdateCallbackBase, public T
{
public:
AnimationUpdateCallback() {}
AnimationUpdateCallback(const std::string& name) { T::setName(name);}
AnimationUpdateCallback(const AnimationUpdateCallback& apc,const osg::CopyOp& copyop): T(apc, copyop) {}
META_Object(osgAnimation, AnimationUpdateCallback<T>);
virtual osg::Callback* asCallback() { return T::asCallback(); }
virtual const osg::Callback* asCallback() const { return T::asCallback(); }
virtual osg::CallbackObject* asCallbackObject() { return T::asCallbackObject(); }
virtual const osg::CallbackObject* asCallbackObject() const { return T::asCallbackObject(); }
const std::string& getName() const { return T::getName(); }
bool link(Channel* /*channel*/) { return 0; }
int link(Animation* animation)
{
if (T::getName().empty())
{
osg::notify(osg::WARN) << "An update callback has no name, it means it could link only with \"\" named Target, often an error, discard" << std::endl;
return 0;
}
int nbLinks = 0;
for (ChannelList::iterator it = animation->getChannels().begin();
it != animation->getChannels().end();
++it)
{
std::string targetName = (*it)->getTargetName();
if (targetName == T::getName())
{
AnimationUpdateCallbackBase* a = this;
a->link((*it).get());
nbLinks++;
}
}
return nbLinks;
}
};
}
#endif