#ifndef _BBCENTITY_H
#define _BBCENTITY_H

#include <BBCPrerequisites.h>
#include <BBCSubEntity.h>
#include <BBCMesh.h>

namespace BBC {

// Forward declarations
class Entity;


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

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

  protected:

	typedef std::vector<SubEntityPtr> SubEntityList;

	unsigned int mEntityHandle;

    unsigned int mBillboardHandle;

	SubEntityList mSubEntityList;

	MeshPtr mMesh;
	
  public:

    Entity();

    virtual ~Entity();

	void createSubEntity();

	void addSubEntity(SubEntityPtr value);

	SubEntityPtr getSubEntity(unsigned int index);

	void removeSubEntity(unsigned int index);

	virtual MeshPtr getMesh();

	virtual void setMesh(MeshPtr value);

	void loadMesh(bool mergeSubMeshes);

	void getMeshPositions(Ogre::Vector3 position, Ogre::Quaternion orient, Ogre::Vector3 scale, bool mergeSubMeshes);

	void getMeshNormals(Ogre::Quaternion orient, Ogre::Vector3 scale, bool mergeSubMeshes);

	void getMeshVertexColours(bool mergeSubMeshes);

	void getMeshTexCoords(bool mergeSubMeshes);

	void getMeshFacesVerticesID(bool mergeSubMeshes);

	void setSubEntitiesDistinctVertexColours();

    unsigned int getEntityHandle();

    void setEntityHandle(unsigned int value);

	void sincronizeNumSubEntities();

	unsigned int getNumSubEntities();

	void mergeSubEntities();

};

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



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

typedef ::boost::intrusive_ptr<Entity> EntityPtr;

}
#endif