153 lines
5.3 KiB
C++
153 lines
5.3 KiB
C++
/* -*-c++-*-
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* Copyright (C) 2008 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_UPDATE_CALLBACK_H
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#define OSGANIMATION_UPDATE_CALLBACK_H
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#include <osg/Vec3>
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#include <osg/NodeCallback>
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#include <osg/StateAttribute>
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#include <osg/Material>
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#include <osg/observer_ptr>
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#include <osgAnimation/AnimationManagerBase>
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#include <osgAnimation/Export>
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namespace osgAnimation
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{
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class AnimationUpdateCallbackBase
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{
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public:
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virtual osg::Object* clone(const osg::CopyOp& copyop) const = 0;
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virtual AnimationManagerBase* getAnimationManager() = 0;
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virtual bool needLink() const = 0;
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virtual bool link(osgAnimation::Channel* channel) = 0;
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virtual int link(osgAnimation::Animation* animation) = 0;
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virtual void updateLink() = 0;
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virtual const std::string& getName() const = 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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protected:
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osg::observer_ptr<osgAnimation::AnimationManagerBase> _manager;
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public:
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AnimationUpdateCallback(const std::string& name) { T::setName(name);}
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AnimationUpdateCallback(const AnimationUpdateCallback& apc,const osg::CopyOp& copyop):
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T(apc, copyop),
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_manager(apc._manager) {}
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osgAnimation::AnimationManagerBase* getAnimationManager() { return _manager.get(); }
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const std::string& getName() const { return T::getName(); }
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int link(osgAnimation::Animation* animation)
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{
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if (T::getName().empty())
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osg::notify(osg::WARN) << "An update callback has no name, it means it can link only with \"\" named Target, often an error" << std::endl;
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int nbLinks = 0;
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for (osgAnimation::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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void updateLink()
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{
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if (_manager.valid())
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{
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if (needLink())
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{
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/** this item is not linked yet then we do it for all animation
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registered in the manager.
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Maybe this function should be on the manager side like
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_manager->linkItem(Bone);
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*/
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const AnimationList& animationList = _manager->getAnimationList();
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for (AnimationList::const_iterator it = animationList.begin(); it != animationList.end(); it++)
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{
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AnimationUpdateCallbackBase* a = this;
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a->link(it->get());
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}
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_manager->buildTargetReference();
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}
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}
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}
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};
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class OSGANIMATION_EXPORT UpdateTransform : public AnimationUpdateCallback<osg::NodeCallback>
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{
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protected:
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osg::ref_ptr<osgAnimation::Vec3Target> _euler;
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osg::ref_ptr<osgAnimation::Vec3Target> _position;
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osg::ref_ptr<osgAnimation::Vec3Target> _scale;
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public:
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META_Object(osgAnimation, UpdateTransform);
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UpdateTransform(const std::string& name = "");
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UpdateTransform(const UpdateTransform& apc,const osg::CopyOp& copyop);
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/** Callback method called by the NodeVisitor when visiting a node.*/
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virtual void operator()(osg::Node* node, osg::NodeVisitor* nv);
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void update(osg::MatrixTransform& mat);
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void update(osg::PositionAttitudeTransform& pat);
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bool needLink() const;
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bool link(osgAnimation::Channel* channel);
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osgAnimation::Vec3Target* getEuler() {return _euler.get();}
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osgAnimation::Vec3Target* getPosition() {return _position.get();}
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osgAnimation::Vec3Target* getScale() {return _scale.get();}
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};
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class OSGANIMATION_EXPORT UpdateMaterial : public AnimationUpdateCallback<osg::StateAttribute::Callback>
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{
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protected:
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osg::ref_ptr<osgAnimation::Vec4Target> _diffuse;
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public:
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META_Object(osgAnimation, UpdateMaterial);
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UpdateMaterial(const std::string& name = "");
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UpdateMaterial(const UpdateMaterial& apc,const osg::CopyOp& copyop);
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/** Callback method called by the NodeVisitor when visiting a node.*/
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virtual void operator () (osg::StateAttribute*, osg::NodeVisitor*);
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void update(osg::Material& material);
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bool needLink() const;
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bool link(osgAnimation::Channel* channel);
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};
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}
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#endif
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