// *******************************************************************
//   (C) Copyright 2013 Leiden Institute of Advanced Computer Science
//   Universiteit Leiden
//   All Rights Reserved
// *******************************************************************
// Dou Shou Qi (core)
// *******************************************************************
// FILE INFORMATION:
//   File:     core_extensions.h
//   Author:   Jonathan K. Vis
//   Revision: 1.01a
//   Date:     2013/04/18
// *******************************************************************
// DESCRIPTION:
// *******************************************************************

#if !defined(__core_extensions_h__)
#define __core_extensions_h__

#include "../core/move.h"
#include "../core/position.h"

static inline bool is_stalemate(Position const &position)
{
  Move moves[MAX_MOVES];
  return position.generate_moves(moves) == 0;
} // is_stalemate

static inline bool validate_move(Position const &position,
                                 Move           &move)
{
  Move moves[MAX_MOVES];
  int const count = position.generate_moves(moves);
  for (int i = 0; i < count; ++i)
  {
    if (move == moves[i])
    {
      move = moves[i];
      return true;
    } // if
  } // for
  return false;
} // validate_move

#endif