private void RunAI_Async(object sender, DoWorkEventArgs e)
{
TakMove move = AIs[CurrentPlayer].ChooseNextMove();
Action a = () =>
{
ActiveInput.Text = move.ToString();
btnSubmit_Click(this, new RoutedEventArgs());
};
Dispatcher.InvokeAsync(a);
}
/// <summary>
/// Generate the list of all moves that the stack located at the given coordinate can make
/// </summary>
/// <param name="gameState"></param>
/// <param name="row"></param>
/// <param name="column"></param>
/// <returns></returns>
private static List <TakMove> GenerateStackMoves(TakPiece.PieceColor player, GameState gameState, int row, int column)
{
TakMove m;
List <TakMove> moves = new List <TakMove>();
PieceStack stack = gameState.Board[row, column];
List <List <int> > allDrops = new List <List <int> >();
for (int n = 1; n <= Math.Min(stack.Size, gameState.Board.Size); n++) // for 1 to the carry limit of the board
{
allDrops.Clear();
MakeDrops(n, allDrops, new List <int>());
foreach (List <int> drops in allDrops)
{
m = new TakMove(player, row, column, TakMove.MoveDirection.Left, drops);
if (m.IsLegal(gameState))
{
moves.Add(m);
}
m = new TakMove(player, row, column, TakMove.MoveDirection.Right, drops);
if (m.IsLegal(gameState))
{
moves.Add(m);
}
m = new TakMove(player, row, column, TakMove.MoveDirection.Up, drops);
if (m.IsLegal(gameState))
{
moves.Add(m);
}
m = new TakMove(player, row, column, TakMove.MoveDirection.Down, drops);
if (m.IsLegal(gameState))
{
moves.Add(m);
}
}
}
return(moves);
}
/// <summary>
/// Enumerate all legal moves possible for this player, given the state of the game
///
/// Returned moves are unsorted (and are in fact shuffles to avoid any biases)
/// </summary>
/// <param name="player"></param>
/// <param name="boardState"></param>
/// <returns></returns>
public static List <TakMove> EnumerateMoves(TakPiece.PieceColor player, GameState gameState)
{
TakMove m;
List <TakMove> moves = new List <TakMove>();
TakPiece.PieceColor otherPlayer = player == TakPiece.PieceColor.Black ? TakPiece.PieceColor.White : TakPiece.PieceColor.Black;
// first off, we can drop pieces on any open space on the board
// if we're still evaluating moves it must mean we still have at least 1 piece to place
for (int i = 0; i < gameState.Board.Size; i++)
{
for (int j = 0; j < gameState.Board.Size; j++)
{
if (gameState.Board[i, j].Size == 0)
{
// from turn 1 on we place our own pieces and can place flats, capstones, or walls
if (gameState.TurnNumber > 0)
{
m = new TakMove(player, i, j, TakPiece.PieceType.Flat);
moves.Add(m);
m = new TakMove(player, i, j, TakPiece.PieceType.Wall);
moves.Add(m);
if (gameState[player].NumCapstones > 0)
{
m = new TakMove(player, i, j, TakPiece.PieceType.Capstone);
moves.Add(m);
}
}
else
{
// on turn 0 we can only place an opposing flat
m = new TakMove(otherPlayer, i, j, TakPiece.PieceType.Flat);
moves.Add(m);
}
}
}
}
// generate all possible moves for each stack we own
// this is only allowed from turn 1 onward
if (gameState.TurnNumber > 0)
{
for (int i = 0; i < gameState.Board.Size; i++)
{
for (int j = 0; j < gameState.Board.Size; j++)
{
if (gameState.Board[i, j].Owner == player)
{
List <TakMove> stackMoves = GenerateStackMoves(player, gameState, i, j);
foreach (TakMove tm in stackMoves)
{
moves.Add(tm);
}
}
}
}
}
moves.Shuffle();
return(moves);
}
public MoveNode(GameState gs, TakMove move) : base()
{
Move = move;
ResultingState = new GameState(gs);
move.Apply(ResultingState);
}
/// <summary>
/// Submit the move, make sure it's legal, and apply it to the state of the game
///
/// Will show a notification if there was an invalid move typed in
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void btnSubmit_Click(object sender, RoutedEventArgs e)
{
lblError.Visibility = Visibility.Collapsed;
try
{
TakMove move;
if (Game.TurnNumber == 0)
{
move = new TakMove(CurrentPlayer == TakPiece.PieceColor.Black ? TakPiece.PieceColor.White : TakPiece.PieceColor.Black, ActiveInput.Text);
}
else
{
move = new TakMove(CurrentPlayer, ActiveInput.Text);
}
string err;
if (move.CheckAndApply(Game, out err))
{
ActiveOutput.Text += string.Format("{0:00}. {1}\n", Game.TurnNumber, move);
string state = string.Format("{0:00}. {1}\n{2}\n", Game.TurnNumber, move, Board);
imgBoard.Source = Bitmap2Source(Board.Draw());
if (!Game.GameOver)
{
if (CurrentPlayer == TakPiece.PieceColor.White)
{
CurrentPlayer = TakPiece.PieceColor.Black;
}
else
{
CurrentPlayer = TakPiece.PieceColor.White;
Game.TurnNumber++;
}
}
else
{
btnSubmit.IsEnabled = false;
ActiveInput.IsEnabled = false;
TakPiece.PieceColor?winner = Game.Winner(CurrentPlayer);
if (winner != null)
{
lblError.Content = string.Format("{0} Player Wins!", winner);
}
else
{
lblError.Content = "Draw!";
}
lblError.Visibility = Visibility.Visible;
}
}
else
{
lblError.Content = "Illegal move: " + err;
lblError.Visibility = Visibility.Visible;
}
}
catch (Exception err)
{
lblError.Content = "Error: " + err.Message;
lblError.Visibility = Visibility.Visible;
}
}