#ifndef _SceneGraph_H__
#define _SceneGraph_H__

#include "Containers.h"
#include "AxisAlignedBox3.h"

namespace GtpVisibilityPreprocessor {
  
/** Basic scene graph node, we are interested only in bounding boxes and topology
    of the scene graph 
*/
class SceneGraphNode
{
public:
	virtual bool IsLeaf() const = NULL;

protected:

	AxisAlignedBox3 mBox;
};
  


/** Basic scene graph node, we are interested only in bounding boxes and topology
  of the scene graph */
class SceneGraphInterior: public SceneGraphNode
{
public:
	~SceneGraphInterior();

	virtual bool IsLeaf() const { return false; }

protected:

	NodeContainer mChildren;
};


/** Basic scene graph node, we are interested only in bounding boxes and topology
  of the scene graph */
class SceneGraphLeaf: public SceneGraphNode 
{
public:
	~SceneGraphLeaf();
	virtual bool IsLeaf() const { return true; }

protected:
	MeshContainer mGeometry;
};


/** Scene graph class 
*/
class SceneGraph 
{
protected:
	SceneGraphNode *mRoot;
};
  

};


#endif