/*
 * TriangleIntersectionList.hpp
 *
 *  Created on: Mar 1, 2010
 *      Author: heber
 */

#ifndef TRIANGLEINTERSECTIONLIST_HPP_
#define TRIANGLEINTERSECTIONLIST_HPP_

using namespace std;

/*********************************************** includes ***********************************/

// include config.h
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif

#include <map>

/****************************************** forward declarations *****************************/

class BoundaryTriangleSet;
class LinkedCell;
class Tesselation;
class Vector;

/********************************************** definitions *********************************/

#define TriangleVectorMap map < class BoundaryTriangleSet *, Vector *>
#define DistanceTriangleMap map < double, class BoundaryTriangleSet *>

// ======================================================== class TriangleIntersectionList =======================================

/** Stores all intersection vectors to a list of triangles.
 */
class TriangleIntersectionList
{
public:
  TriangleIntersectionList(const Vector *x, const Tesselation *surface, const LinkedCell* LC);
  ~TriangleIntersectionList();

  double GetSmallestDistance() const;
  Vector GetClosestIntersection() const;
  BoundaryTriangleSet * GetClosestTriangle() const;
  bool IsInside() const;

private:
  void GatherIntersectionsWithTriangles();
  TriangleVectorMap::const_iterator GetIteratortoSmallestDistance() const;
  void FillDistanceList() const;

  const Vector *Point;
  const Tesselation *Tess;
  const LinkedCell *Vicinity;
  TriangleVectorMap IntersectionList;
  mutable DistanceTriangleMap DistanceList;
};

#endif /* TRIANGLEINTERSECTIONLIST_HPP_ */