115 lines
4.1 KiB
C++
115 lines
4.1 KiB
C++
/* -*-c++-*- OpenSceneGraph - Copyright (C) 1998-2006 Robert Osfield
|
|
*
|
|
* 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
|
|
* (at your option) any later version. The full license is in LICENSE file
|
|
* included with this distribution, and on the openscenegraph.org website.
|
|
*
|
|
* This library is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* OpenSceneGraph Public License for more details.
|
|
*/
|
|
|
|
#ifndef OSGGA_SimpleViewer
|
|
#define OSGGA_SimpleViewer 1
|
|
|
|
#include <osgGA/EventQueue>
|
|
#include <osgGA/EventVisitor>
|
|
#include <osgGA/MatrixManipulator>
|
|
|
|
#include <osgDB/DatabasePager>
|
|
|
|
#include <list>
|
|
|
|
namespace osgGA{
|
|
|
|
/** SimpleViewer provide a simple interface for setting up rendering of an scene graph, using a single camera view within a single window.*/
|
|
class OSGGA_EXPORT SimpleViewer : public osgGA::GUIActionAdapter, public osg::Referenced
|
|
{
|
|
public:
|
|
|
|
SimpleViewer();
|
|
virtual ~SimpleViewer();
|
|
|
|
void setSceneData(osg::Node* node);
|
|
osg::Node* getSceneData();
|
|
const osg::Node* getSceneData() const;
|
|
|
|
osg::CameraNode* getCamera();
|
|
const osg::CameraNode* getCamera() const;
|
|
|
|
void setCameraManipulator(MatrixManipulator* manipulator);
|
|
MatrixManipulator* getCameraManipulator() { return _cameraManipulator.get(); }
|
|
const MatrixManipulator* getCameraManipulator() const { return _cameraManipulator.get(); }
|
|
|
|
|
|
typedef std::list< osg::ref_ptr<GUIEventHandler> > EventHandlers;
|
|
|
|
void addEventHandler(GUIEventHandler* eventHandler);
|
|
EventHandlers& getEventHandlers() { return _eventHandlers; }
|
|
const EventHandlers& getEventHandlers() const { return _eventHandlers; }
|
|
|
|
EventQueue* getEventQueue() { return _eventQueue.get(); }
|
|
const EventQueue* getEventQueue() const { return _eventQueue.get(); }
|
|
|
|
void setDatabasePager(osgDB::DatabasePager* dp);
|
|
osgDB::DatabasePager* getDatabasePager() { return _databasePager.get(); }
|
|
const osgDB::DatabasePager* getDatabasePager() const { return _databasePager.get(); }
|
|
|
|
|
|
/** Render a complete new frame.
|
|
* Calls frameAdvance(), frameEventTraversal(), frameUpateTraversal(), frameCullTraversal() and frameDrawTraversal().
|
|
* Note, no internal makeCurrent() is issued before, or swap buffers called after frame(), these operations are the responsibility of the calling code.*/
|
|
virtual void frame();
|
|
|
|
virtual void frameAdvance();
|
|
virtual void frameEventTraversal();
|
|
virtual void frameUpdateTraversal();
|
|
virtual void frameCullTraversal();
|
|
virtual void frameDrawTraversal();
|
|
|
|
/** Clean up all OpenGL objects associated with this viewer scenegraph. Note, must only be called from the graphics context associated with this viewer.*/
|
|
virtual void cleanup();
|
|
|
|
public:
|
|
|
|
// Override from GUIActionAdapter
|
|
virtual void requestRedraw() {}
|
|
|
|
// Override from GUIActionAdapter
|
|
virtual void requestContinuousUpdate(bool /*needed*/=true) {}
|
|
|
|
// Override from GUIActionAdapter
|
|
virtual void requestWarpPointer(float /*x*/,float /*y*/) {}
|
|
|
|
osgUtil::SceneView* getSceneView() { return _sceneView.get(); }
|
|
const osgUtil::SceneView* getSceneView() const { return _sceneView.get(); }
|
|
|
|
void init();
|
|
|
|
protected:
|
|
|
|
|
|
bool _firstFrame;
|
|
osg::Timer_t _startTick;
|
|
osg::ref_ptr<osg::FrameStamp> _frameStamp;
|
|
|
|
osg::ref_ptr<osgUtil::SceneView> _sceneView;
|
|
|
|
osg::ref_ptr<osgGA::EventQueue> _eventQueue;
|
|
|
|
osg::ref_ptr<osgGA::MatrixManipulator> _cameraManipulator;
|
|
EventHandlers _eventHandlers;
|
|
|
|
osg::ref_ptr<osgGA::EventVisitor> _eventVisitor;
|
|
|
|
osg::ref_ptr<osgDB::DatabasePager> _databasePager;
|
|
|
|
};
|
|
|
|
|
|
}
|
|
|
|
#endif
|