source: GTP/trunk/Lib/Vis/OnlineCullingCHC/OGRE/include/OgreMeshInstance.h @ 1593

#ifndef _OgreMeshIntance_H__
#define _OgreMeshIntance_H__

#include <OgreEntity.h>
#include "Intersectable.h"

namespace Ogre {
 
/**
        Wrapper for Ogre object intances for use with the preprocessed view cells.
*/
class __declspec(dllexport) OgreMeshInstance: public GtpVisibilityPreprocessor::Intersectable
{
public:
        /** The default constructor taking an entity into account.
        */
        OgreMeshInstance(Entity *ent);
        
        /** Returns 'mesh' associated with this instance. 
        */
        Entity *GetEntity() const;

        /** See get.
        */
        void SetEntity(Entity *entity);


        /////////////////////////////
        //-- inherited functions from Intersectable

        GtpVisibilityPreprocessor::AxisAlignedBox3 GetBox() const;
        
        int CastRay(GtpVisibilityPreprocessor::Ray &ray);
        
        bool IsConvex() const;
        bool IsWatertight() const;
        float IntersectionComplexity();
  
        int NumberOfFaces() const;
        int Type() const;

        int GetRandomSurfacePoint(GtpVisibilityPreprocessor::Vector3 &point, 
                                                          GtpVisibilityPreprocessor::Vector3 &normal);

        int GetRandomVisibleSurfacePoint(GtpVisibilityPreprocessor::Vector3 &point,
                                                                         GtpVisibilityPreprocessor::Vector3 &normal,
                                                                         const GtpVisibilityPreprocessor::Vector3 &viewpoint,
                                                                         const int maxTries);
  
        ostream &Describe(ostream &s);
        

protected:
        
        Entity *mEntity;
};

} // namespace Ogre

#endif // OgreMeshIntance