void NewGame(int size)
{
_fileName = null;
_gameRecord.Tags.Clear();
_gameRecord.MoveNotations.Clear();
_game = GameState.NewGame(size);
_ai = new TakAI(_game.Size);
_evaluator = new TakAI.Evaluator(_game.Size);
_boardView.Game = _game;
PrepareTurn();
}
protected override void OnLoad(EventArgs e)
{
base.OnLoad(e);
_game = GameState.NewGame(5);
_ai = new TakAI(_game.Size);
_evaluator = new TakAI.Evaluator(_game.Size);
_boardView = new BoardView();
_boardView.Dock = DockStyle.Fill;
_boardView.Game = _game;
this.Controls.Add(_boardView);
//_boardView.MouseOverSpotChanged += boardView_MouseOverSpotChanged;
}
private void miFileOpen_Click(object sender, EventArgs e)
{
if (dlgOpen.ShowDialog(this) != DialogResult.OK)
{
return;
}
try
{
var database = TakEngine.Notation.TakPGN.LoadFromFile(dlgOpen.FileName);
if (database.Games.Count != 1)
{
throw new ApplicationException("File must contain exactly 1 game");
}
_gameRecord = database.Games[0];
_game = GameState.NewGame(_gameRecord.BoardSize);
_ai = new TakAI(_game.Size);
_evaluator = new TakAI.Evaluator(_game.Size);
_boardView.Game = _game;
foreach (var notation in _gameRecord.MoveNotations)
{
_tempMoveList.Clear();
TakAI.EnumerateMoves(_tempMoveList, _game, _ai.NormalPositions);
var move = notation.MatchLegalMove(_tempMoveList);
if (null == move)
{
throw new ApplicationException("Illegal move: " + notation.Text);
}
move.MakeMove(_game);
_movesOfNotation[notation] = move;
_navigating = true;
if (_historyForm != null)
{
_historyForm.AddPly(notation.Text);
}
_navigating = false;
_game.Ply++;
}
_fileName = dlgOpen.FileName;
PrepareTurn();
}
catch (Exception ex)
{
MessageBox.Show(this, ex.Message, "Failed to open file", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
static void GameLoop()
{
var fullauto = new bool[] { false, false };
var game = GameState.NewGame(5);
var ai = new TakAI(game.Size, maxDepth: 3);
var evaluator = new TakAI.Evaluator(game.Size);
bool gameOver;
int eval;
var recentMoves = new Stack <IMove>();
var recentStates = new Stack <GameState>();
while (true)
{
// print board
PrintBoard(game, previous: recentStates.Count > 0 ? recentStates.Peek() : null);
evaluator.Evaluate(game, out eval, out gameOver);
if (gameOver)
{
Console.Write("Game over, ");
if (eval == 0)
{
Console.WriteLine("Tie");
}
else if (eval > 0)
{
Console.WriteLine("X wins");
}
else
{
Console.WriteLine("O wins");
}
}
Console.Write("[T{0}, {1}]: ", game.Ply, (game.Ply & 1) == 0 ? 'X' : 'O');
string cmd;
if (fullauto[game.Ply & 1] && !gameOver)
{
cmd = "ai";
Console.WriteLine(cmd);
}
else
{
cmd = Console.ReadLine().Trim();
}
if (string.IsNullOrEmpty(cmd) || cmd == "q")
{
break;
}
else if (cmd == "help")
{
Console.ForegroundColor = ConsoleColor.Cyan;
Console.WriteLine("==Global commands");
Console.ForegroundColor = ConsoleColor.Gray;
Console.WriteLine("ai AI will choose a move for this player");
Console.WriteLine("ai on This player will become completely controlled by the AI");
Console.WriteLine("ai N Set AI difficulty to N [2-9], default is 4.");
Console.WriteLine("ai off Disable AI control for all players");
Console.WriteLine("undo Undo last move, including the AI's response (if any)");
Console.WriteLine("list List all legal moves in the current board position");
Console.WriteLine(" Warning: level N+1 is roughly 30 to 50 times slower than N!");
Console.ForegroundColor = ConsoleColor.Cyan;
Console.WriteLine("==Move notation");
Console.ForegroundColor = ConsoleColor.DarkGray;
Console.WriteLine(" NOTE: XY positions start from 0 in the top-left of the board");
Console.WriteLine(" NOTE: Directions are n,s,e,w (north, south, east, west)");
Console.ForegroundColor = ConsoleColor.Gray;
Console.WriteLine("fXY Place flat stone from reserve at position X,Y");
Console.WriteLine("sXY Place standing stone from reserve at position X,Y");
Console.WriteLine("cXY Place cap stone from reserve at position X,Y");
Console.WriteLine("mXY,N,D N1 N2 N3 etc...");
Console.WriteLine(" Move stones by picking up N stones from the top of the stack");
Console.WriteLine(" at X,Y then then traveling in direction D. Drop N1 stones");
Console.WriteLine(" in the first square, N2 in the second, etc...");
Console.WriteLine(" Example: m23,2,n 1 1");
Console.WriteLine(" This would pick up 2 stones from position 2,3 and travel north,");
Console.WriteLine(" dropping 1 stone at 2,2 and then another stone at 2,1");
Console.Write("<Press any key to continue>");
Console.ReadKey();
Console.WriteLine();
}
else if (cmd == "undo")
{
while (recentMoves.Count > 0)
{
var undoing = recentMoves.Pop();
undoing.TakeBackMove(game);
game.Ply--;
recentStates.Pop();
if (!fullauto[game.Ply & 1])
{
break;
}
}
}
else if (cmd == "ai off")
{
fullauto[0] = fullauto[1] = false;
}
else if (cmd.StartsWith("ai ") && cmd.Length > 3 && Char.IsDigit(cmd[3]))
{
int diff = 0;
if (!int.TryParse(cmd.Substring(3), out diff))
{
diff = 0;
}
if (diff < 2 || diff > 9)
{
Console.ForegroundColor = ConsoleColor.Red;
Console.WriteLine("Invalid difficulty level. Legal values are 2 thru 9.");
Console.ForegroundColor = ConsoleColor.Gray;
}
else
{
if (diff == ai.MaxDepth)
{
Console.ForegroundColor = ConsoleColor.Red;
Console.WriteLine("AI difficulty is already set to " + diff.ToString());
}
else
{
Console.ForegroundColor = ConsoleColor.Cyan;
ai.MaxDepth = diff;
Console.WriteLine("AI difficulty set to " + diff.ToString());
Console.ForegroundColor = ConsoleColor.Gray;
}
}
}
else
{
if (gameOver)
{
Console.WriteLine("Invalid command");
}
else if (cmd == "ai on" || cmd == "ai")
{
if (cmd == "ai on")
{
fullauto[game.Ply & 1] = true;
}
var move = ai.FindGoodMove(game);
var restoreColor = Console.ForegroundColor;
Console.ForegroundColor = ConsoleColor.DarkGray;
Console.WriteLine("ai move => {0}", move.Notate());
Console.ForegroundColor = restoreColor;
recentStates.Push(game.DeepCopy());
recentMoves.Push(move);
move.MakeMove(game);
game.Ply++;
}
else if (cmd == "list")
{
var legalMoves = new List <IMove>();
TakAI.EnumerateMoves(legalMoves, game, ai.RandomPositions);
foreach (var move in legalMoves)
{
Console.WriteLine(move.Notate());
}
}
else
{
var legalMoves = new List <IMove>();
TakAI.EnumerateMoves(legalMoves, game, ai.RandomPositions);
var match = legalMoves.FirstOrDefault(x => x.Notate() == cmd);
if (match == null)
{
Console.ForegroundColor = ConsoleColor.Red;
Console.WriteLine("ILLEGAL MOVE OR INVALID MOVE NOTATION. Type 'help' for more information.");
Console.ForegroundColor = ConsoleColor.Gray;
}
else
{
recentStates.Push(game.DeepCopy());
recentMoves.Push(match);
match.MakeMove(game);
game.Ply++;
}
}
}
}
Console.WriteLine("Exiting");
}
public static void RunTest(string appendPath)
{
var ai = new TakAI(BoardSize);
ai.MaxDepth = 4;
var evaluator = new TakAI.Evaluator(BoardSize);
var movelog = new List <string>();
var durationlog = new List <TimeSpan>();
while (true)
{
var guid = System.Guid.NewGuid();
PrintTimeStampedMessage("Started new game");
var game = GameState.NewGame(BoardSize);
movelog.Clear();
durationlog.Clear();
bool gameOver;
int eval;
var starttime = DateTime.Now;
do
{
var movestart = DateTime.Now;
var move = ai.FindGoodMove(game);
var duration = DateTime.Now.Subtract(movestart);
var notation = move.Notate();
PrintTimeStampedMessage(string.Concat(game.Ply, ": ", notation));
movelog.Add(notation);
durationlog.Add(duration);
move.MakeMove(game);
game.Ply++;
evaluator.Evaluate(game, out eval, out gameOver);
} while (!gameOver);
string result;
if (eval == 0)
{
result = "Tie";
}
else
{
if (eval > 0)
{
result = "First player wins";
}
else
{
result = "Second player wins";
}
if (eval == Math.Abs(TakAI.Evaluator.FlatWinEval))
{
result += " via flats";
}
else
{
result += " via road";
}
}
PrintTimeStampedMessage(result);
using (var writer = System.IO.File.AppendText(appendPath))
{
writer.WriteLine("' Game ID {0}", guid);
writer.WriteLine("' AI difficulty {0}", ai.MaxDepth);
writer.WriteLine("' Started {0}", starttime.ToString(DateFormat));
writer.WriteLine("' Duration {0}", DateTime.Now.Subtract(starttime));
writer.WriteLine("' Moves {0}", movelog.Count);
writer.WriteLine("' Result {0}", result);
for (int i = 0; i < movelog.Count; i++)
{
writer.WriteLine("{0}\t{1}\t{2}", i + 1, movelog[i], durationlog[i]);
}
}
}
}
