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/* ----------------------------------------------------------------------- *
 * This file is part of GEL, http://www.imm.dtu.dk/GEL
 * Copyright (C) the authors and DTU Informatics
 * For license and list of authors, see ../../doc/intro.pdf
 * ----------------------------------------------------------------------- */

#include "AABox.h"
#include "BoundingINode.h"

using namespace std;
using namespace CGLA;

namespace Geometry
{

template<class BoxType>
int BoundingINode<BoxType>::intersect_cnt(const CGLA::Vec3f& p , 
                                                                                                                                 const CGLA::Vec3f& dir) const
{
        if(!BoxType::intersect(p,dir))
                return 0;

        int li = left->intersect_cnt(p,dir);
        int ri = right->intersect_cnt(p,dir);
        return li + ri;
}

template<class BoxType>
void BoundingINode<BoxType>::intersect(Ray& r) const 
{
        if(BoxType::intersect(r.origin,r.direction))
        {
                        left->intersect(r);
                        right->intersect(r);
        }
}

template<class BoxType>
bool BoundingINode<BoxType>::intersect(const CGLA::Vec3f& p , const CGLA::Vec3f& dir,
                                                                                                                        float& tmin) const 
{
        if(!BoxType::intersect(p,dir))
                return false;

        float tminl=1e33f, tminr=1e33f;
        bool li = left->intersect(p,dir,tminl);
        bool ri = right->intersect(p,dir,tminr);
        if(li||ri)
                {
                        tmin = min(tminl,tminr);
                        return true;
                }
        return false;
}

template class BoundingINode<AABox>;
template class BoundingINode<OBox>;

}