public Move SelectNextMove(BoardState board, Player player, IList <Move> moves, out string reasoning)
{
var currentAnalysis = new StaticAnalysis(board);
var currentValue = currentAnalysis.GetBoardValue(player);
var currentOpponentValue = currentAnalysis.GetBoardValue(player.GetOpponent());
var currentDiffValue = currentValue - currentOpponentValue;
var valuedMoves = moves
.Select(m => new Tuple <Move, BoardState>(m, board.CloneAndApply(m)))
.Select(m =>
{
var a = new StaticAnalysis(m.Item2);
return(new Tuple <Move, float>(m.Item1, a.GetBoardValue(player, m.Item1) - a.GetBoardValue(player.GetOpponent())));
//return new Tuple<Move, float>(m.Item1, a.GetBoardValue(player));
})
.OrderByDescending(m => m.Item2)
.ThenByDescending(m => Guid.NewGuid())
.ToList();
if (valuedMoves.Any())
{
var bestMove = valuedMoves.First();
reasoning = $"Value diff {bestMove.Item2}";
return(bestMove.Item1);
}
return(fallbackStrategy.SelectNextMove(board, player, moves, out reasoning));
}
public void Run()
{
var board = BoardState.InitialBoard;
var random = new Random();
IStrategy strategy = new BasicStaticAnalysisStrategy();
string reasoning;
while (true)
{
var moves = board.GetMovesForNextPlayer().ToList();
if (moves.Count == 0)
{
Console.Clear();
board.RenderToConsole();
Console.WriteLine($"Checkmate by {board.NextPlayerToMove.GetOpponent()}");
while (Console.ReadKey().Key != ConsoleKey.Escape)
{
;
}
board = BoardState.InitialBoard;
continue;
}
var move = strategy.SelectNextMove(board, board.NextPlayerToMove, moves, out reasoning);
Console.Clear();
board.Apply(move);
board.RenderToConsole();
Console.WriteLine();
var analysis = new StaticAnalysis(board);
Console.WriteLine($"Value for {move.Player}: {analysis.GetBoardValue(move.Player,move)} ({string.Join(",", analysis.GetBoardValueComponents(move.Player, move).Select(kv => kv.Key + ":" + kv.Value))})");
//Console.WriteLine($"Value for white: {analysis.GetBoardValue(Player.White)} ({string.Join(",", analysis.GetBoardValueComponents(Player.White, move).Select(kv => kv.Key + ":" + kv.Value))})");
//Console.WriteLine($"Value for black: {analysis.GetBoardValue(Player.Black)} ({string.Join(",", analysis.GetBoardValueComponents(Player.Black, move).Select(kv => kv.Key + ":" + kv.Value))})");
Console.WriteLine($"{move.ToString()} because {reasoning}");
Console.WriteLine($"{moves.Count} moves");
Console.WriteLine(string.Join(" ", moves.Select(m => m.ToAnnotation())));
Console.WriteLine($"{board.NextPlayerToMove} to move...");
Console.WriteLine($"White defends: {string.Join(" ",analysis.Analysis.Where(sq=>sq.IsWhiteDefendedSquare).Select(sq=>sq.Square.ToString()))}");
//if (board.WhiteInCheck || board.BlackInCheck)
var key = Console.ReadKey();
if (key.Key == ConsoleKey.Escape)
{
break;
}
if (key.Key == ConsoleKey.R)
{
board = BoardState.InitialBoard;
}
}
}