2.8 branch: backport of osgAnimation from svn head 11026.

include/osgAnimation/AnimationManagerBase

@@ -1,5 +1,5 @@
 /*  -*-c++-*- 
- *  Copyright (C) 2008 Cedric Pinson <mornifle@plopbyte.net>
+ *  Copyright (C) 2008 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 
@@ -12,9 +12,10 @@
  * OpenSceneGraph Public License for more details.
 */
 
-#ifndef OSGANIMATION_ANIMATION_MANAGER_BASE_H
-#define OSGANIMATION_ANIMATION_MANAGER_BASE_H
+#ifndef OSGANIMATION_ANIMATION_MANAGER_BASE
+#define OSGANIMATION_ANIMATION_MANAGER_BASE 1
 
+#include <osgAnimation/LinkVisitor>
 #include <osgAnimation/Animation>
 #include <osgAnimation/Export>
 #include <osg/FrameStamp>
@@ -33,7 +34,8 @@ namespace osgAnimation
         AnimationManagerBase(const AnimationManagerBase& b, const osg::CopyOp& copyop= osg::CopyOp::SHALLOW_COPY);
         virtual ~AnimationManagerBase();
         virtual void buildTargetReference();
-        virtual void registerAnimation (Animation* animation);
+        virtual void registerAnimation (Animation*);
+        virtual void unregisterAnimation (Animation*);
         virtual void link(osg::Node* subgraph);
         virtual void update(double t) = 0;
         virtual bool needToLink() const;
@@ -42,16 +44,26 @@ namespace osgAnimation
         /** Callback method called by the NodeVisitor when visiting a node.*/
         virtual void operator()(osg::Node* node, osg::NodeVisitor* nv);
 
-        /// Operation that must be done each frame
+        /** Reset the value of targets
+            this Operation must be done each frame */
         void clearTargets();
-        void normalizeTargets();
+        
 
+        LinkVisitor* getOrCreateLinkVisitor();
+        void setLinkVisitor(LinkVisitor*);
+
+        /// set a flag to define the behaviour
+        void setAutomaticLink(bool);
+        bool isAutomaticLink() const;
+        void dirty();
 
     protected:
 
+        osg::ref_ptr<LinkVisitor> _linker;
         AnimationList _animations;
         TargetSet _targets;
         bool _needToLink;
+        bool _automaticLink;
     };
 }
 #endif