IvfCulledComposite.h

//
// Copyright 1999-2006 by Structural Mechanics, Lund University.
//
// This library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Library General Public
// License as published by the Free Software Foundation; either
// version 2 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
// Library General Public License for more details.
//
// You should have received a copy of the GNU Library General Public
// License along with this library; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
// USA.
//
// Please report all bugs and problems to "ivf@byggmek.lth.se".
//
//
// Written by Jonas Lindemann
//

#ifndef _CIvfCulledComposite_h_
#define _CIvfCulledComposite_h_

#include <ivf/IvfComposite.h>
#include <ivf/IvfView.h>

#include <ivfmath/IvfMatrixStack.h>
#include <ivfmath/IvfViewFrustum.h>

IvfSmartPointer(CIvfCulledComposite);

class IVF_API CIvfCulledComposite : public CIvfComposite {
private:
        CIvfMatrixStack* m_matrixStack;
        CIvfViewFrustum* m_frustum;
        CIvfView* m_cullView;
        int m_cullCount;
        bool m_useCulling;

        void cullChildren(CIvfShape* shape);
        bool intersectFrustum(CIvfBoundingSphere *bSphere);
public:
        CIvfCulledComposite();
        virtual ~CIvfCulledComposite();

        IvfClassInfo("CIvfCulledComposite",CIvfComposite);

        void addChild(CIvfShape* shape);

        void setUseCulling(bool flag);
        bool getUseCulling();
        
        void setCullView(CIvfView* view);
        CIvfView* getCullView();

        int getCullCount();

protected:
        virtual void cull();
        virtual void createGeometry();
};

#endif 

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