source: GTP/trunk/Lib/Illum/IBRBillboardCloudTrees/OGRE/include/BBC/BBCBillboardClusterData.h @ 721

#ifndef _BBCBILLBOARDCLUSTERDATA_H
#define _BBCBILLBOARDCLUSTERDATA_H

#include <BBCEntityCluster.h>

namespace BBC {

// Fordward declaration...
class BillboardClusterData;

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

class _BBCExport BillboardClusterData 
{
private:
    long references;
    friend void boost::intrusive_ptr_add_ref(BillboardClusterData * p);
    friend void boost::intrusive_ptr_release(BillboardClusterData * p);

  public:
    BillboardClusterData();

    virtual ~BillboardClusterData();

        void setNormal(Ogre::Vector3 value);

        Ogre::Vector3 getNormal();

        void setD(float value);

        float getD();

    EntityClusterPtr getEntityCluster();

        void setEntityCluster(EntityClusterPtr value);

        virtual void readBillboardClusterData(TiXmlNode *parentNode);

        virtual void writeBillboardClusterData(TiXmlNode *parentNode);

        virtual void generateBillboardBoundingQuad();

        Ogre::Vector3 getQuadTopLeftCorner();

        Ogre::Vector3 getQuadTopRightCorner();

        Ogre::Vector3 getQuadBottomLeftCorner();

        Ogre::Vector3 getQuadBottomRightCorner();

        Ogre::Vector3 getAxisX();

        Ogre::Vector3 getAxisY();

        Ogre::Vector3 getAxisZ();



protected:
        EntityClusterPtr mEntityCluster;
        
        Ogre::Vector3 mAxisX;

        Ogre::Vector3 mAxisY;

        Ogre::Vector3 mAxisZ;

    enum BoundingQuadVertex {
        QUAD_TOP_LEFT,
        QUAD_TOP_RIGHT,
        QUAD_BOTTOM_RIGHT,
        QUAD_BOTTOM_LEFT
    };

        Ogre::Vector3 mBillboardCorners[4];

        Ogre::Vector3 mNormal;

        float mD;

};

// 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(BillboardClusterData * p)
  {
    // increment reference count of object *p
    ++(p->references);
  }



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

typedef ::boost::intrusive_ptr<BillboardClusterData> BillboardClusterDataPtr;

}
#endif