73 lines
2.4 KiB
C++
73 lines
2.4 KiB
C++
/* -*-c++-*-
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* Copyright (C) 2009 Cedric Pinson <cedric.pinson@plopbyte.net>
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*
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* This library is open source and may be redistributed and/or modified under
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* the terms of the OpenSceneGraph Public License (OSGPL) version 0.0 or
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* (at your option) any later version. The full license is in LICENSE file
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* included with this distribution, and on the openscenegraph.org website.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* OpenSceneGraph Public License for more details.
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*/
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#ifndef OSGANIMATION_ANIMATION_UPDATE_CALLBACK
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#define OSGANIMATION_ANIMATION_UPDATE_CALLBACK 1
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#include <osg/Object>
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#include <osgAnimation/Channel>
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#include <osgAnimation/Animation>
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#include <string>
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namespace osgAnimation
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{
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class AnimationUpdateCallbackBase : public virtual osg::Object
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{
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public:
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virtual bool link(Channel* channel) = 0;
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virtual int link(Animation* animation) = 0;
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};
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template <class T>
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class AnimationUpdateCallback : public AnimationUpdateCallbackBase, public T
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{
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public:
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AnimationUpdateCallback() {}
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AnimationUpdateCallback(const std::string& name) { T::setName(name);}
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AnimationUpdateCallback(const AnimationUpdateCallback& apc,const osg::CopyOp& copyop): T(apc, copyop) {}
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META_Object(osgAnimation, AnimationUpdateCallback<T>);
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const std::string& getName() const { return T::getName(); }
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bool link(Channel* /*channel*/) { return 0; }
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int link(Animation* animation)
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{
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if (T::getName().empty())
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{
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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;
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return 0;
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}
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int nbLinks = 0;
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for (ChannelList::iterator it = animation->getChannels().begin();
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it != animation->getChannels().end();
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++it)
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{
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std::string targetName = (*it)->getTargetName();
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if (targetName == T::getName())
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{
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AnimationUpdateCallbackBase* a = this;
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a->link((*it).get());
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nbLinks++;
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}
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}
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return nbLinks;
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}
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};
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}
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#endif
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