source: GTP/trunk/Lib/Vis/OnlineCullingCHC/OGRE/include/OgrePlatformQueryManager.h @ 2505

#ifndef _PlatformQueryManager_H__
#define _PlatformQueryManager_H__

#include "VisibilityInfo.h"
#include "QueryManager.h"
#include "OgrePlatformHierarchyInterface.h"
#include "VisibilityMesh.h"


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

        /** Sets a viewport for rendering.
        */
        void SetViewport(Viewport *vp);

protected:

        Viewport *mViewport;
        bool mWasInitialised;

        PlatformHierarchyInterface *mHierarchyInterface;
};

} // namespace Ogre

#endif // PlatformQueryManager