OpenPaperOpt/OrientClipBox.h

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#ifndef ORIENTCLIPBOX_H
#define ORIENTCLIPBOX_H

#include "utilities.h"
#include "RayTag.h"
#include "RndFiberSeg.h"
#include "RndFiber.h"
#include "V3.h"


#ifndef MAX_THREADS
#define MAX_THREADS 2
#endif

namespace p3d{

        class ClipBoxRef {
        public:

                ClipBoxRef(int dX,int dY,int ref,int next):mDx(dX),mDy(dY),mRef(ref),mNext(next) {}

                int Ref()  const {return mRef;}
                int Next() const {return mNext;}
                int Dx()   const {return mDx;}
                int Dy()   const {return mDy;}

        private:

                int mDx,mDy; //Displacement from origo to view
                int mRef;    //Index of the refferenced box
                int mNext;   //Index of the next reference in the list
        };

        class OrientClipBox {

                friend class RndRay;

        private:

                V3  <double>  mNorm[3]; //Normals
                double mD[6];    //Constants in (small,large) order for each normal

                RayTag mTags[MAX_THREADS];

                const RndFiberSeg* mBegin;
                const RndFiberSeg* mEnd;
                RndFiber*          mFiber;

        public:

                OrientClipBox() {mBegin=0;mEnd=0;mFiber=0;}

                void Init(const RndFiberSeg* begin,const RndFiberSeg* end,RndFiber* f);

                void GetExtents(V3 <double>& min,V3 <double>& max) const; //Evaluate extents from pointers

                void Reset() {for (int i=0;i<MAX_THREADS;i++) {mTags[i].Reset();}}
        };
}

#endif