source: GTP/trunk/Lib/Illum/IBRBillboardCloudTrees/OGRE/include/IMG/IMGNodeBsp.h @ 731

#ifndef _IMGNODEBSP_H
#define _IMGNODEBSP_H

#include "IMGPrerequisites.h"
#include "IMGBox2d.h"

namespace IMG {

// Fordward declaration...
class _IMGExport NodeBsp;

typedef ::boost::intrusive_ptr<NodeBsp> NodeBspPtr;

namespace boost
{
    void intrusive_ptr_add_ref(NodeBsp * p);
    void intrusive_ptr_release(NodeBsp * p);
};

class NodeBsp 
{
  public:
    NodeBsp();

    virtual ~NodeBsp();

    Box2d* getBound();

    void setBound(Box2d *box);

    NodeBspPtr getChild(int i);

    void setId(int id_);

    unsigned int getId() const;

    void setChild(NodeBspPtr node, int i);

    void print();

    NodeBspPtr insert(int w, int h);

    NodeBspPtr get(NodeBspPtr node, int i);

  protected:

    bool fit;

    Box2d bound;

    NodeBspPtr child[2];

    static unsigned int ID;

    int id;

private:
    
        long references;

    friend void boost::intrusive_ptr_add_ref(NodeBsp * p);

    friend void boost::intrusive_ptr_release(NodeBsp * p);
};

// class specific addref/release implementation
// the two function overloads must be in the boost namespace on most compilers:
namespace boost
{
  inline void intrusive_ptr_add_ref(NodeBsp * p)
  {
    // increment reference count of object *p
    ++(p->references);
  }



  inline void intrusive_ptr_release(NodeBsp * p)
  {
   // decrement reference count, and delete object when reference count reaches 0
   if (--(p->references) == 0)
     delete p;
  } 
} // namespace boost

}
#endif