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OsgSceneHandler
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OsgSceneHandler
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/* -*-c++-*- OpenSceneGraph - Copyright (C) 1998-2003 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 OSGPRODUCER_OSGSCENEHANDLER
#define OSGPRODUCER_OSGSCENEHANDLER 1
#include <osgProducer/Export>
#include <Producer/Camera>
#include <osgUtil/SceneView>
#include <osg/Matrix>
namespace osgProducer {
class OSGPRODUCER_EXPORT OsgSceneHandler : public Producer::Camera::SceneHandler, public osgUtil::SceneView
{
public :
OsgSceneHandler(osg::DisplaySettings *ds = NULL);
/// override the init method to force it be run one at a time.
virtual void init();
class Callback : public osg::Referenced
{
public:
virtual ~Callback() {}
virtual void operator()(OsgSceneHandler&, const Producer::Camera &) = 0;
};
virtual void clear(Producer::Camera& camera)
{
if (_clearCallback.valid()) (*_clearCallback)(*this,camera);
else clearImplementation(camera);
}
virtual void clearImplementation(Producer::Camera& camera);
void setClearCallback(Callback* callback) { _clearCallback = callback; }
Callback* getClearCallback() { return _clearCallback.get(); }
const Callback* getClearCallback() const { return _clearCallback.get(); }
virtual void cull(Producer::Camera& camera)
{
if (_cullCallback.valid()) (*_cullCallback)(*this,camera);
else cullImplementation(camera);
}
virtual void cullImplementation(Producer::Camera& camera);
void setCullCallback(Callback* callback) { _cullCallback = callback; }
Callback* getCullCallback() { return _cullCallback.get(); }
const Callback* getCullCallback() const { return _cullCallback.get(); }
virtual void draw(Producer::Camera& camera)
{
if (_drawCallback.valid()) (*_drawCallback)(*this,camera);
else drawImplementation(camera);
}
virtual void drawImplementation(Producer::Camera& camera);
void setDrawCallback(Callback* callback) { _drawCallback = callback; }
Callback* getDrawCallback() { return _drawCallback.get(); }
const Callback* getDrawCallback() const { return _drawCallback.get(); }
void setContextID( int id );
protected:
virtual ~OsgSceneHandler() {}
osg::ref_ptr<Callback> _clearCallback;
osg::ref_ptr<Callback> _cullCallback;
osg::ref_ptr<Callback> _drawCallback;
};
}
#endif