source: GTP/trunk/Lib/Vis/OnlineCullingCHC/OGRE/include/OgreKdTreeCamera.h @ 1250

/*
-----------------------------------------------------------------------------
This source file is part of the GameTools Project
http://www.gametools.org

Author: Martin Szydlowski
-----------------------------------------------------------------------------
*/

#ifndef _OgreKdTreeCamera_H_
#define _OgreKdTreeCamera_H_

#include <OgreCamera.h>

#define KDCAMPTR_CAST(cam) (static_cast<KdTreeCamera *>(cam))

namespace Ogre
{

class KdTreeCamera : public Camera
{
public:
        enum NodeVisibility
        {
                KDNV_NONE,
                KDNV_PART,
                KDNV_FULL
        };

        //typedef NodeVisibility (KdTreeCamera::*VisFunction)(const AxisAlignedBox& box) const;

        // default constructor
        KdTreeCamera(const String& name, SceneManager *sm);
        // default destructor
        ~KdTreeCamera();

        // chage vis mode
        void setEnhancedVisMode(bool enhanced);
        // query vis mode
        bool getEnhancedVisMode(void);

        // function pointer to the actual getvis function
        // allows choosing between regular vis (NONE/PART, same es isVisible)
        // and enhaced vis (NONE/PART/FULL) for early traversal abort
        //NodeVisibility (KdTreeCamera::*getVisibility)(const AxisAlignedBox& box) const;
        //VisFunction getVisibility;
        //NodeVisibility getVisibility(const AxisAlignedBox& box ) const;

        // regular visibility, like isVisible
        NodeVisibility getVisibilitySimple(const AxisAlignedBox& box ) const;
        // enhanced visibility
        NodeVisibility getVisibilityEnhanced(const AxisAlignedBox& box) const;

        // DEBUG
        //mutable unsigned int mNumVisQueries;
protected:

        // flag indicating current vis mode, default is on (true)
        bool mEnhancedVisMode;
};

} // namespace Ogre

#endif // _OgreKdTreeCamera_H_