root/OpenSceneGraph/trunk/include/osgAnimation/AnimationManagerBase @ 13041

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1/*  -*-c++-*-
2 *  Copyright (C) 2008 Cedric Pinson <cedric.pinson@plopbyte.net>
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_ANIMATION_MANAGER_BASE
16#define OSGANIMATION_ANIMATION_MANAGER_BASE 1
17
18#include <osgAnimation/LinkVisitor>
19#include <osgAnimation/Animation>
20#include <osgAnimation/Export>
21#include <osg/FrameStamp>
22#include <osg/Group>
23
24
25
26namespace osgAnimation
27{
28    class OSGANIMATION_EXPORT AnimationManagerBase : public osg::NodeCallback
29    {
30    public:
31        typedef std::set<osg::ref_ptr<Target> > TargetSet;
32
33        AnimationManagerBase();
34        AnimationManagerBase(const AnimationManagerBase& b, const osg::CopyOp& copyop= osg::CopyOp::SHALLOW_COPY);
35        virtual ~AnimationManagerBase();
36        virtual void buildTargetReference();
37        virtual void registerAnimation (Animation*);
38        virtual void unregisterAnimation (Animation*);
39        virtual void link(osg::Node* subgraph);
40        virtual void update(double t) = 0;
41        virtual bool needToLink() const;
42        const AnimationList& getAnimationList() const { return _animations;}
43
44        /** Callback method called by the NodeVisitor when visiting a node.*/
45        virtual void operator()(osg::Node* node, osg::NodeVisitor* nv);
46
47        /** Reset the value of targets
48            this Operation must be done each frame */
49        void clearTargets();
50
51
52        LinkVisitor* getOrCreateLinkVisitor();
53        void setLinkVisitor(LinkVisitor*);
54
55        /// set a flag to define the behaviour
56        void setAutomaticLink(bool);
57        bool getAutomaticLink() const;
58        bool isAutomaticLink() const { return getAutomaticLink(); }
59        void dirty();
60
61    protected:
62
63        osg::ref_ptr<LinkVisitor> _linker;
64        AnimationList _animations;
65        TargetSet _targets;
66        bool _needToLink;
67        bool _automaticLink;
68    };
69}
70#endif
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