/* 
 *   Gnome Nine Mens Morris
 *   Written by Dirk Farin <dirk.farin@gmx.de>
 * 
 *   This program is free software; you can redistribute it and/or modify
 *   it under the terms of the GNU General Public License as published by
 *   the Free Software Foundation; either version 2 of the License, or
 *   (at your option) any later version.
 *
 *   This program is distributed in the hope that it will be useful,
 *   but WITHOUT ANY WARRANTY; without even the implied warranty of
 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *   GNU General Public License for more details.
 *
 *   You should have received a copy of the GNU General Public License
 *   along with this program; if not, write to the Free Software
 *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */

#include "eval.hh"
#include <math.h>
#include <stdlib.h>

#include <iostream>
using namespace std;

double CountEval::Eval(const Board& b)
{
  int material = b.n_white - b.n_black;

  double freedom=0;
  for (int n=0;n<3*8;n++)
    {
      if (b.board[n]==WHITE) freedom += b.Freedom(n);
      if (b.board[n]==BLACK) freedom -= b.Freedom(n);
    }

  double centers=0;
  centers += b.board[9] + b.board[11] + b.board[13] + b.board[15];

  double fullmills=0;

  bool white_has_mill=false;

  for (int i=0;i<16;i++)
    {
      if (b.board[milltab_short[i][0]]==
	  b.board[milltab_short[i][1]] &&
	  b.board[milltab_short[i][1]]==
	  b.board[milltab_short[i][2]])
	fullmills += b.board[milltab_short[i][0]];


#if 0
      if (b.board[milltab_short[i][0]]==WHITE &&
	  b.board[milltab_short[i][1]]==WHITE &&
	  b.board[milltab_short[i][2]]==WHITE)
	white_has_mill = true;

#endif
    }

  return material + 0.3*freedom + 0.2*centers + 0.4*fullmills; // + (white_has_mill ? 50 : 0);
}