OpenSceneGraph/include/osgUtil/RenderLeaf
2002-07-16 20:07:32 +00:00

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//C++ header - Open Scene Graph - Copyright (C) 1998-2002 Robert Osfield
//Distributed under the terms of the GNU Library General Public License (LGPL)
//as published by the Free Software Foundation.
#ifndef OSGUTIL_RENDERLEAF
#define OSGUTIL_RENDERLEAF 1
#include <osg/ref_ptr>
#include <osg/Matrix>
#include <osg/Drawable>
#include <osg/State>
#include <osgUtil/Export>
namespace osgUtil {
// forward declare RenderGraph
class RenderGraph;
/** container class for all data required for rendering of drawables.
*/
class OSGUTIL_EXPORT RenderLeaf : public osg::Referenced
{
public:
inline RenderLeaf(osg::Drawable* drawable,osg::Matrix* projection,osg::Matrix* modelview, float depth=0.0f):
_parent(NULL),
_drawable(drawable),
_projection(projection),
_modelview(modelview),
_depth(depth) {}
inline void set(osg::Drawable* drawable,osg::Matrix* projection,osg::Matrix* modelview, float depth=0.0f)
{
_parent = NULL;
_drawable = drawable;
_projection = projection,
_modelview = modelview,
_depth = depth;
}
inline void reset()
{
_parent = NULL;
_drawable = NULL;
_projection = NULL;
_modelview = NULL;
_depth = 0.0f;
}
virtual void render(osg::State& state,RenderLeaf* previous);
/// allow RenderGraph to change the RenderLeaf's _parent.
friend class osgUtil::RenderGraph;
public:
RenderGraph* _parent;
osg::Drawable* _drawable;
osg::ref_ptr<osg::Matrix> _projection;
osg::ref_ptr<osg::Matrix> _modelview;
float _depth;
private:
/// disallow creation of blank RenderLeaf as this isn't useful.
RenderLeaf():
_parent(NULL),
_drawable(NULL),
_projection(NULL),
_modelview(NULL),
_depth(0.0f) {}
/// disallow copy construction.
RenderLeaf(const RenderLeaf&):osg::Referenced() {}
/// disallow copy operator.
RenderLeaf& operator = (const RenderLeaf&) { return *this; }
};
}
#endif