root/OpenSceneGraph/trunk/include/osgAnimation/UpdateCallback @ 10593

Revision 10593, 5.4 kB (checked in by robert, 5 years ago)

Fixed warning

RevLine 
[9093]1/*  -*-c++-*-
[10557]2 *  Copyright (C) 2008 Cedric Pinson <cedric.pinson@plopbyte.net>
[9093]3 *
4 * This library is open source and may be redistributed and/or modified under 
5 * the terms of the OpenSceneGraph Public License (OSGPL) version 0.0 or
6 * (at your option) any later version.  The full license is in LICENSE file
7 * included with this distribution, and on the openscenegraph.org website.
8 *
9 * This library is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
12 * OpenSceneGraph Public License for more details.
13*/
14
15#ifndef OSGANIMATION_UPDATE_CALLBACK_H
16#define OSGANIMATION_UPDATE_CALLBACK_H
17
18#include <osg/Vec3>
19#include <osg/NodeCallback>
[10518]20#include <osg/StateAttribute>
21#include <osg/Material>
[9093]22#include <osg/observer_ptr>
[9150]23#include <osgAnimation/AnimationManagerBase>
[9094]24#include <osgAnimation/Export>
[9093]25
26namespace osgAnimation
27{
28
[10518]29    class AnimationUpdateCallbackBase
[9093]30    {
[10518]31    public:
[10557]32        virtual osg::Object* clone(const osg::CopyOp& copyop) const = 0;
[10518]33        virtual AnimationManagerBase* getAnimationManager() = 0;
34        virtual bool needLink() const = 0;
35        virtual bool link(osgAnimation::Channel* channel) = 0;
36        virtual int link(osgAnimation::Animation* animation) = 0;
37        virtual void updateLink() = 0;
38        virtual const std::string& getName() const = 0;
[10593]39
40        virtual ~AnimationUpdateCallbackBase() {}
[10518]41    };
42
43    template <class T>
44    class AnimationUpdateCallback : public AnimationUpdateCallbackBase, public T
45    {
[9093]46    protected:
[10518]47
[9150]48        osg::observer_ptr<osgAnimation::AnimationManagerBase> _manager;
[9093]49
50    public:
[10518]51        AnimationUpdateCallback(const std::string& name) { T::setName(name);}
52        AnimationUpdateCallback(const AnimationUpdateCallback& apc,const osg::CopyOp& copyop):
53            T(apc, copyop),
54            _manager(apc._manager) {}
55
56        osgAnimation::AnimationManagerBase* getAnimationManager() { return _manager.get(); }
57       
58        const std::string& getName() const { return T::getName(); }
59        int link(osgAnimation::Animation* animation)
60        {
61            if (T::getName().empty())
62                osg::notify(osg::WARN) << "An update callback has no name, it means it can link only with \"\" named Target, often an error" << std::endl;
63            int nbLinks = 0;
64            for (osgAnimation::ChannelList::iterator it = animation->getChannels().begin();
65                 it != animation->getChannels().end();
66                 it++)
67            {
68                std::string targetName = (*it)->getTargetName();
69                if (targetName == T::getName())
70                {
71                    AnimationUpdateCallbackBase* a = this;
72                    a->link((*it).get());
73                    nbLinks++;
74                }
75            }
76            return nbLinks;
77        }
78
79        void updateLink()
80        {
81            if (_manager.valid())
82            {
83                if (needLink())
84                {
85                    /** this item is not linked yet then we do it for all animation
86                        registered in the manager.
87                        Maybe this function should be on the manager side like
88                        _manager->linkItem(Bone);
89                    */
90                    const AnimationList& animationList = _manager->getAnimationList();
91                    for (AnimationList::const_iterator it = animationList.begin(); it != animationList.end(); it++)
92                    {
93                        AnimationUpdateCallbackBase* a = this;
94                        a->link(it->get());
95                    }
96                    _manager->buildTargetReference();
97                }
98            }
99        }
[9093]100    };
101
[10518]102
103
104
105    class OSGANIMATION_EXPORT UpdateTransform : public AnimationUpdateCallback<osg::NodeCallback>
[9093]106    {
107    protected:
108        osg::ref_ptr<osgAnimation::Vec3Target> _euler;
109        osg::ref_ptr<osgAnimation::Vec3Target> _position;
110        osg::ref_ptr<osgAnimation::Vec3Target> _scale;
111   
112    public:
113
114        META_Object(osgAnimation, UpdateTransform);
115
116        UpdateTransform(const std::string& name = "");
117        UpdateTransform(const UpdateTransform& apc,const osg::CopyOp& copyop);
118
119        /** Callback method called by the NodeVisitor when visiting a node.*/
120        virtual void operator()(osg::Node* node, osg::NodeVisitor* nv);
121        void update(osg::MatrixTransform& mat);
122        void update(osg::PositionAttitudeTransform& pat);
123        bool needLink() const;
124        bool link(osgAnimation::Channel* channel);
[10557]125
126        osgAnimation::Vec3Target* getEuler() {return _euler.get();}
127        osgAnimation::Vec3Target* getPosition() {return _position.get();}
128        osgAnimation::Vec3Target* getScale() {return _scale.get();}
[9093]129    };
130
131
[10518]132
133    class OSGANIMATION_EXPORT UpdateMaterial : public AnimationUpdateCallback<osg::StateAttribute::Callback>
134    {
135    protected:
136        osg::ref_ptr<osgAnimation::Vec4Target> _diffuse;
137   
138    public:
139
140        META_Object(osgAnimation, UpdateMaterial);
141
142        UpdateMaterial(const std::string& name = "");
143        UpdateMaterial(const UpdateMaterial& apc,const osg::CopyOp& copyop);
144
145        /** Callback method called by the NodeVisitor when visiting a node.*/
146        virtual void operator () (osg::StateAttribute*, osg::NodeVisitor*);
147        void update(osg::Material& material);
148        bool needLink() const;
149        bool link(osgAnimation::Channel* channel);
150    };
151
[9093]152}
153
154#endif
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