static int ScoreDiferentBettwenPieces(Game game, Tile color)
{
var mePieces = game.GetPositions(Helper.GetTileColors(color));
var otherPieces = game.GetPositions(Helper.GetTileColors(Helper.ChangeColor(color)));
var diferentBettwenPieces = mePieces.Count() - otherPieces.Count();
return(diferentBettwenPieces);
}
static int ScoreQueens(Game game, Tile color)
{
var mePieces = game.GetPositions(Helper.GetTileColors(color));
var otherPieces = game.GetPositions(Helper.GetTileColors(Helper.ChangeColor(color)));
var meQueens = mePieces.Select(x => game.GetTile(x)).Count(x => (int)x > 5);
var otherQueens = otherPieces.Select(x => game.GetTile(x)).Count(x => (int)x > 5);
var diferentBetwwenQueens = (meQueens - otherQueens);
return(diferentBetwwenQueens);
}
public static int Score(Game game, Tile color)
{
var tiles = game.GetPositions(Helper.GetTileColors(color)).Count() + game.GetPositions(Helper.GetTileColors(Helper.ChangeColor(color))).Count();
var stage = tiles / 10 + 1;
return
((stage * 50) * ScoreDiferentBettwenPieces(game, color) +
((5 - stage) * 50) * ScoreQueens(game, color) +
((5 - stage)) * ScoreDefenceLinePosition(game, color) +
((5 - stage)) * ScoreCenterAdvantage(game, color) +
((5 - stage)) * ScoreMoveAmount(game, color));
}
static int ScoreCenterAdvantage(Game game, Tile color)
{
var mePieces = game.GetPositions(Helper.GetTileColors(color));
var goodTiles = new[] { 14, 18, 15, 19 };
var amount = mePieces.Select(x => goodTiles.Contains(x.Number)).Count();
return(amount);
}
static int ScoreDefenceLinePosition(Game game, Tile color)
{
var mePieces = game.GetPositions(Helper.GetTileColors(color));
var defencePositionRow = color == Tile.White ? 0 : 7;
var amountDefending = mePieces.Where(x => x.Row == defencePositionRow).Count();
return(amountDefending);
}
public static IEnumerable <Move> Moves(Game game, Tile color)
{
List <Move> moves = new List <Move>();
foreach (var position in game.GetPositions(Helper.GetTileColors(color)))
{
var tileMoves = Helper.CalculateMoves(game, position);
moves.AddRange(tileMoves);
}
return(moves);
}
public static Move NextBestMove(Game game, Tile color, int depth)
{
List <MoveResult> bestMoves = new List <MoveResult>();
foreach (var position in game.GetPositions(Helper.GetTileColors(color)))
{
var move = NextBestMove(game, color, position, depth);
if (move != null)
{
bestMoves.Add(move);
}
}
//Eat is obligatory
var eatMoves = bestMoves.Where(x => x.Move is Eat);
if (eatMoves.Any())
{
return(eatMoves.OrderByDescending(x => x.Weight).First().Move);
}
return(bestMoves.OrderByDescending(x => x.Weight).FirstOrDefault()?.Move ?? null);
}
