public static Tuple <Connect6Move, double> GetBestMove(Connect6State state)
{
if (state.IsFinal())
{
if (state.IsSix(state.currentPlayer))
{
return(new Tuple <Connect6Move, double>(null, double.PositiveInfinity));
}
if (state.IsTied())
{
return(new Tuple <Connect6Move, double>(null, 0));
}
else
{
return(new Tuple <Connect6Move, double>(null, double.NegativeInfinity));
}
}
double bestscore = double.NegativeInfinity;
Connect6Move bestmove = new Connect6Move(null, null);
foreach (Connect6Move move in state.AllPossibleMoves())
{
double score = -GetBestMove(state.Apply(move)).Item2;
if (score > bestscore)
{
bestscore = score;
bestmove = move;
}
}
return(new Tuple <Connect6Move, double>(bestmove, bestscore));
}
/// <summary>
/// current (0,1) (1,2)
/// m2 (1,2) (0,1)
/// <param name="obj">The <see cref="object"/> to compare with the current <see cref="T:Connect6.Connect6Move"/>.</param>
/// <returns><c>true</c> if the specified <see cref="object"/> is equal to the current
/// <see cref="T:Connect6.Connect6Move"/>; otherwise, <c>false</c>.</returns>
public override bool Equals(object obj)
{
if (obj is Connect6Move)
{
Connect6Move m2 = obj as Connect6Move;
return(Pos1 == m2.Pos1 && Pos2 == m2.Pos2 || Pos1 == m2.Pos2 && Pos2 == m2.Pos1);
}
else
{
return(false);
}
}
public static void PlayGame()
{
Player[,] board = new Player[, ] {
{ Player.Empty, Player.Empty, Player.Empty, Player.Empty, Player.Empty, Player.Empty },
{ Player.Empty, Player.Empty, Player.Empty, Player.Empty, Player.Empty, Player.Empty },
{ Player.Empty, Player.Empty, Player.Empty, Player.Empty, Player.Empty, Player.Empty },
{ Player.Empty, Player.Empty, Player.Empty, Player.Empty, Player.Empty, Player.Empty },
{ Player.Empty, Player.Empty, Player.Empty, Player.Empty, Player.Empty, Player.Empty },
{ Player.Empty, Player.Empty, Player.Empty, Player.Empty, Player.Empty, Player.Empty }
};
Connect6State state = new Connect6State(Player.White, board);
Console.WriteLine("The Computer is White, You Are Black");
while (!state.IsFinal())
{
Console.WriteLine("Current Player: " + state.currentPlayer);
PrintBoard(board);
if (state.currentPlayer == Player.White)
{
Console.WriteLine("Calculating Move...");
Connect6Move move = GetBestMoveDepthLimited(state, 2).Item1;
state = state.Apply(move);
}
else
{
Console.WriteLine("Choose A Row And A Column for position 1:");
int row = int.Parse(Console.ReadLine());
int col = int.Parse(Console.ReadLine());
BoardPosition pos1 = new BoardPosition(row, col);
Console.WriteLine("Choose A Row And A Column for position 2:");
int row2 = int.Parse(Console.ReadLine());
int col2 = int.Parse(Console.ReadLine());
BoardPosition pos2 = new BoardPosition(row2, col2);
Connect6Move move = new Connect6Move(pos1, pos2);
state = state.Apply(move);
}
board = state.board;
}
PrintBoard(board);
if (state.IsTied())
{
Console.WriteLine("Tied!");
}
else
{
Console.WriteLine("{0} Won!", state.currentPlayer.Next());
}
}
///////////Need to check
public Connect6State Apply(Connect6Move move)
{
Player[,] newboard = CloneBoard();
if (IsValid(move.Pos1) && IsValid(move.Pos2))
{
newboard[move.Pos1.Row, move.Pos1.Column] = currentPlayer;
newboard[move.Pos2.Row, move.Pos2.Column] = currentPlayer;
}
Connect6State newstate = new Connect6State(currentPlayer.Next(), newboard);
return(newstate);
}
public static void PlayGameComputer()
{
Player[,] board = new Player[, ] {
{ Player.Empty, Player.Empty, Player.Empty, Player.Empty, Player.Empty, Player.Empty },
{ Player.Empty, Player.Empty, Player.Empty, Player.Empty, Player.Empty, Player.Empty },
{ Player.Empty, Player.Empty, Player.Empty, Player.Empty, Player.Empty, Player.Empty },
{ Player.Empty, Player.Empty, Player.Empty, Player.Empty, Player.Empty, Player.Empty },
{ Player.Empty, Player.Empty, Player.Empty, Player.Empty, Player.Empty, Player.Empty },
{ Player.Empty, Player.Empty, Player.Empty, Player.Empty, Player.Empty, Player.Empty }
};
Connect6State state = new Connect6State(Player.White, board);
while (!state.IsFinal())
{
Console.WriteLine("Current Player: " + state.currentPlayer);
Console.WriteLine();
PrintBoard(board);
if (state.currentPlayer == Player.White)
{
Console.WriteLine("Calculating Move...");
Console.WriteLine();
Connect6Move move = GetBestMoveDepthLimited(state, 2).Item1;
state = state.Apply(move);
}
else
{
Console.WriteLine("Calculating Move...");
Console.WriteLine();
Connect6Move move = GetBestMoveDepthLimited(state, 2).Item1;
state = state.Apply(move);
}
board = state.board;
}
PrintBoard(board);
if (state.IsTied())
{
Console.WriteLine("Tied!");
}
else
{
Console.WriteLine("{0} Won!", state.currentPlayer.Next());
}
}
public List <Connect6Move> AllPossibleMoves()
{
List <BoardPosition> AllPositions = GetNonOccupiedPositions();
List <Connect6Move> AllMoves = new List <Connect6Move>();
if (AllPositions.Count == 1)
{
AllMoves.Add(new Connect6Move(AllPositions[0], AllPositions[0]));
}
foreach (BoardPosition pos1 in AllPositions)
{
foreach (BoardPosition pos2 in AllPositions)
{
Connect6Move move = new Connect6Move(pos1, pos2);
if (pos1 != pos2 && !AllMoves.Contains(move))
{
AllMoves.Add(move);
}
}
}
return(AllMoves);
}