source: trunk/VUT/Ogre/include/OgreItemBufferQueryManager.h @ 153

#ifndef _ItemBufferQueryManager_H__
#define _ItemBufferQueryManager_H__

#include "OgrePlatformQueryManager.h"

namespace Ogre {
  
/**
        Class which implements the QueryManager for Ogre scene queries.
*/
class __declspec(dllexport) ItemBufferQueryManager: public PlatformQueryManager
{
public:
    /** Constructor taking a hierarchy interface as an argument. This allows to operate
        onm different hierarchy types, while reusing the implementation of the query methods.
    */
        ItemBufferQueryManager(PlatformHierarchyInterface *hierarchyInterface, Viewport *vp);
    
    void ComputeCameraVisibility(const Camera &camera,
                            InfoContainer<GtpVisibility::NodeInfo> *visibleNodes,
                            InfoContainer<GtpVisibility::MeshInfo> *visibleGeometry,
                            bool relativeVisibility = false);
    
    /** 
        Uses the specified point to execute the visibility query in all directions. 
        @sa ComputeCameraVisibility()
    */
    void ComputeFromPointVisibility(const Vector3 &point,
                               InfoContainer<GtpVisibility::NodeInfo> *visibleNodes,
                               InfoContainer<GtpVisibility::MeshInfo> *visibleGeometry,
                               bool relativeVisibility = false);
    
        bool ShootRay(const Ray &ray, std::vector<Mesh *> *visibleMeshes, bool isGlobalLine = false);  
        
protected:
        void InitItemBuffer( InfoContainer<GtpVisibility::NodeInfo> *visibleNodes,
                            InfoContainer<GtpVisibility::MeshInfo> *visibleGeometry);
        bool mWasInitialised;
};

} // namespace Ogre

#endif // ItemBufferQueryManager