/cygdrive/d/src/svn/vrut/trunk/core/src/bvhnode.h

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/*
 * $Id: bvhnode.h 722 2009-03-04 15:45:34Z bittner $
 *
 * Description  : One line description of file.
 * Author       : Vaclav Kyba <mail/Jabber: vaseo1@gmail.com>  <ICQ: 98576293>
 *
 * Purpose      :
 *     Long description of what the file is for.
 */


#ifndef __BVHNODE__H__
#define __BVHNODE__H__

#include "moddefs.h"
#include "bvolumes.h"


namespace VRUT
{
       class BVHNode
       {
       private:
              bool valid;
              AABB aabb;
              BSphere bSphere;
              NODE_ID sceneNodeID;
              BVHNode * lChild;
              BVHNode * rChild;
              int lastOut;
              BVHNode * parent;
         
       public:
         int id;
         
              BVHNode()
              {
                     valid = false;
                     lastOut = 0;
                     parent = (BVHNode *)NULL;
                     lChild = rChild = (BVHNode *)NULL;
                     sceneNodeID = NODE_ID_NONE;
              }
              virtual ~BVHNode()
              {
                     SAFE_DELETE(lChild);
                     SAFE_DELETE(rChild);
              }

         bool IsLeaf() const {
              return sceneNodeID != NODE_ID_NONE;
         }

              bool IsValid() const
              {
                     return valid;
              }
         BVHNode * GetLChild() const
              {
                     return lChild;
              }
              BVHNode * GetRChild() const
              {
                     return rChild;
              }
         BVHNode * GetParent() const
              {
                     return parent;
              }
              const AABB * GetAABB() const
              {
                     return &aabb;
              }
              const BSphere * GetBSphere() const
              {
                     return &bSphere;
              }
              const int GetLastOut() const
              {
                     return lastOut;
              }
         int &LastOut()
         {
              return lastOut;
         }

              NODE_ID GetSceneNodeID() const
              {
                     return sceneNodeID;
              }
              virtual wxString ToString() const
              {
                     return wxString::Format(wxT("%s\nSceneNode ID: %i\n"),
                            aabb.ToString().c_str(), sceneNodeID);
              }

              friend class BVH;
       };
};

#endif

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