/**
 * File: quad.cpp
 *
 * Author: Andrew Stein (andrew)
 * Created: 9/10/2013
 *
 *
 * Description: See header file.
 *
 * Copyright: Anki, Inc. 2013
 *
 **/

#include "coretech/common/engine/math/quad.h"

namespace Anki {
namespace Quad {

// prefix operator (++cname)
CornerName& operator++(CornerName& cname) {
  cname = (cname < NumCorners) ? static_cast<CornerName>( static_cast<int>(cname) + 1 ) : NumCorners;
  return cname;
}

// postfix operator (cname++)
CornerName operator++(CornerName& cname, int) {
  CornerName cnameToReturn = cname; // make a copy to return before we increment
  ++cname;
  return cnameToReturn;
}

CornerName operator+(CornerName& cname, int value)
{
  const int newValue = static_cast<int>(cname) + value;

  const CornerName newCname = (newValue < static_cast<int>(NumCorners) ?
                               static_cast<CornerName>(newValue) :
                               NumCorners);

  return newCname;
}

} // namespace Quad

void test(void)
{
  Quad2f q;

  q[Quad::TopLeft] = Point2f(.1f, .3f);

  q.SortCornersClockwise();

  //Point2f n;
  //q.SortCornersClockwise(n); // Should fail: triggers static assert because N==2

  Quad3f q3;
  Point3f n3;
  //q3.SortCornersClockwise(); // Should fail: triggers static assert because N!=2
  q3.SortCornersClockwise(n3);
}

} // namespace Anki