root/OpenSceneGraph/trunk/include/osgViewer/Scene @ 13041

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1/* -*-c++-*- OpenSceneGraph - Copyright (C) 1998-2006 Robert Osfield
2 *
3 * This library is open source and may be redistributed and/or modified under
4 * the terms of the OpenSceneGraph Public License (OSGPL) version 0.0 or
5 * (at your option) any later version.  The full license is in LICENSE file
6 * included with this distribution, and on the openscenegraph.org website.
7 *
8 * This library is distributed in the hope that it will be useful,
9 * but WITHOUT ANY WARRANTY; without even the implied warranty of
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
11 * OpenSceneGraph Public License for more details.
12*/
13
14#ifndef OSGVIEWER_SCENE
15#define OSGVIEWER_SCENE 1
16
17#include <osgGA/GUIEventHandler>
18#include <osgGA/EventVisitor>
19#include <osgDB/DatabasePager>
20#include <osgDB/ImagePager>
21
22#include <osgViewer/Export>
23
24#include <list>
25
26namespace osgViewer{
27
28/** Scene holds the higher level reference to a single scene graph.*/
29class OSGVIEWER_EXPORT Scene : public osg::Referenced
30{
31    public:
32
33        virtual const char* className() const { return "Scene"; }
34
35        void setSceneData(osg::Node* node);
36        osg::Node* getSceneData();
37        const osg::Node* getSceneData() const;
38
39
40        void setDatabasePager(osgDB::DatabasePager* dp);
41        osgDB::DatabasePager* getDatabasePager() { return _databasePager.get(); }
42        const osgDB::DatabasePager* getDatabasePager() const { return _databasePager.get(); }
43
44        void setImagePager(osgDB::ImagePager* ip);
45        osgDB::ImagePager* getImagePager() { return _imagePager.get(); }
46        const osgDB::ImagePager* getImagePager() const { return _imagePager.get(); }
47
48        void updateSceneGraph(osg::NodeVisitor& updateVisitor);
49
50
51        /** Get the Scene object that has the specified node assigned to it.
52          * return 0 if no Scene has yet been assigned the specified node.*/
53        static Scene* getScene(osg::Node* node);
54
55    protected:
56
57        Scene();
58        virtual ~Scene();
59
60        /** Get the Scene object that has the specified node assigned to it.
61          * or return a new Scene if no Scene has yet been assigned the specified node.*/
62        static Scene* getOrCreateScene(osg::Node* node);
63
64        friend class View;
65
66        osg::ref_ptr<osg::Node>             _sceneData;
67
68        osg::ref_ptr<osgDB::DatabasePager>  _databasePager;
69        osg::ref_ptr<osgDB::ImagePager>     _imagePager;
70};
71
72
73}
74
75#endif
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