//##################################################################################################
//
//   Custom Visualization Core library
//   Copyright (C) 2011-2012 Ceetron AS
//    
//   This library is free software: you can redistribute it and/or modify 
//   it under the terms of the GNU General Public License as published by 
//   the Free Software Foundation, either version 3 of the License, or 
//   (at your option) any later version. 
//    
//   This library is distributed in the hope that it will be useful, but WITHOUT ANY 
//   WARRANTY; without even the implied warranty of MERCHANTABILITY or 
//   FITNESS FOR A PARTICULAR PURPOSE.   
//    
//   See the GNU General Public License at <<http://www.gnu.org/licenses/gpl.html>> 
//   for more details. 
//
//##################################################################################################

#pragma once

#include "cvfPlane.h"
#include "cvfUniform.h"
#include "cvfDynamicUniformSet.h"

#include <vector>

namespace cvf {

//==================================================================================================
//
// ClipPlaneSet
//
//==================================================================================================
class ClipPlaneSet : public DynamicUniformSet
{
public:
    ClipPlaneSet();
    ~ClipPlaneSet();

    size_t              planeCount() const;
    void                addPlane(const Plane& plane);
    void                clear();

    virtual void        update(Rendering* rendering);
    virtual UniformSet* uniformSet();

private:
    std::vector<Plane>  m_wcPlanes;             // Planes in world coordinates
    ref<UniformInt>     m_planeCountUniform;    // Uniform holding the plane count
    ref<UniformFloat>   m_ecPlanesUniformArray; // Uniform array holding one vec4 for each plane
    ref<UniformSet>     m_combinedUniformSet;   // Uniform set containing the two uniforms
};

}