OpenSceneGraph/include/osgUtil/RenderLeaf
2001-09-19 21:19:47 +00:00

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#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* matrix, float depth=0.0f):
_parent(NULL),
_drawable(drawable),
_matrix(matrix),
_depth(depth) {}
inline void set(osg::Drawable* drawable,osg::Matrix* matrix, float depth=0.0f)
{
_parent = NULL;
_drawable = drawable;
_matrix = matrix;
_depth = depth;
}
inline void reset()
{
_parent = NULL;
_drawable = NULL;
_matrix = NULL;
_depth = 0.0f;
}
virtual void render(osg::State& state,RenderLeaf* previous);
/// allow RenderGraph to change the RenderLeaf's _parent.
friend RenderGraph;
public:
RenderGraph* _parent;
osg::Drawable* _drawable;
osg::ref_ptr<osg::Matrix> _matrix;
float _depth;
private:
/// disallow creation of blank RenderLeaf as this isn't useful.
RenderLeaf():
_parent(NULL),
_drawable(NULL),
_matrix(NULL),
_depth(0.0f) {}
/// disallow copy construction.
RenderLeaf(const RenderLeaf&):osg::Referenced() {}
/// disallow copy operator.
RenderLeaf& operator = (const RenderLeaf&) { return *this; }
};
};
#endif