public override AIDecision RequestMove(AiGameInformation gameInformation)
{
var moves = gameInformation.GameTree.PrimaryMoveTimeline.ToList();
if (moves.Any() &&
moves.Last().Kind == MoveKind.Pass)
{
return(AIDecision.MakeMove(Move.Pass(gameInformation.AIColor), "You passed, too!"));
}
JokerGame currentGame = new JokerGame(gameInformation.GameInfo.BoardSize.Height,
gameInformation.GameInfo.BoardSize.Width,
null,
null);
foreach (Move move in gameInformation.GameTree.PrimaryMoveTimeline)
{
currentGame.moves.AddLast(new JokerMove(move.WhoMoves == StoneColor.Black ? 'B' : 'W',
new JokerPoint(move.Coordinates.X, move.Coordinates.Y)));
}
currentGame.board = JokerExtensionMethods.OurBoardToJokerBoard(GetLastNodeOrEmptyBoard(gameInformation.GameTree).BoardState, gameInformation.GameInfo.BoardSize);
JokerPoint point = new AlphaBetaPlayer(gameInformation.AIColor == StoneColor.Black ? 'B' : 'W').betterPlanMove(currentGame, this.TreeDepth);
return(AIDecision.MakeMove(Move.PlaceStone(gameInformation.AIColor, new Position(point.x, point.y)),
"I chose using the minimax algorithm and heuristics."));
}
public override void planMove(JokerGame game)
{
char[,] board = game.getBoard();
List <JokerPoint> list = new List <JokerPoint>();
for (int i = 0; i < game.getHeight(); i++)
{
for (int j = 0; j < game.getWidth(); j++)
{
if (board[i, j] == '*')
{
list.Add(new JokerPoint(i, j));
}
}
}
JokerPoint randomMove = list[rand.Next(list.Count)];
while (!list.isEmpty())
{
if (makeMove(game, randomMove))
{
return;
}
}
}
public JokerPoint betterPlanMove(JokerGame game)
{
if (orderMap == null)
{
initOrderMap(game.getHeight());
}
int n = game.getHeight();
JokerMove prevMove;
if ((prevMove = game.getLastMove()) != null)
{
int row = prevMove.getLocation().x;
int col = prevMove.getLocation().y;
updateOrderMap(row, col, n);
}
char[,] tmpBoard = game.getBoardCopy();
int best = int.MinValue;
List <JokerPoint> bestMoves = new List <JokerPoint>();
for (int i = 0; i < n; i++)
{
for (int j = 0; j < n; j++)
{
if (tmpBoard[i, j] != '*')
{
continue;
}
tmpBoard[i, j] = color;
int heuristic = AiUtil.getLiberties(getColor(), tmpBoard);
heuristic -= (AiUtil.getLiberties(getOpponentColor(), tmpBoard) * 2);
heuristic += orderMap[i, j];
if (heuristic > best)
{
best = heuristic;
bestMoves.Clear();
bestMoves.Add(new JokerPoint(i, j));
}
else if (heuristic == best)
{
bestMoves.Add(new JokerPoint(i, j));
}
tmpBoard[i, j] = '*';
}
}
JokerPoint bestMove = bestMoves[Randomizer.Next(bestMoves.Count)];
updateOrderMap(bestMove.x, bestMove.y, n);
return(bestMove);
}
/** playMove
* this method will allow the player to play a move on to the board
*
* @param row : the row tha the piece will be played on
* @param col : the column that the piece will be played on
*/
public bool makeMove(JokerGame game, JokerPoint point)
{
if (game.play(this.color, point.x, point.y))
{
moves.AddLast(new JokerMove(color, point));
return(true);
}
else
{
return(false);
}
}
public override void planMove(JokerGame game)
{
if (influence == null)
{
initInfluenceMap(game.getHeight());
}
boardCopy = game.getBoardCopy();
this._maxDepth = game.getWidth() + 1;
alphabeta(this._maxDepth, -INF, INF, getColor());
makeMove(game, bestMove);
}
public JokerPoint betterPlanMove(JokerGame game, int maxDepth)
{
// Takes 95% CPU
if (influence == null)
{
initInfluenceMap(game.getHeight());
}
boardCopy = game.getBoardCopy();
this._maxDepth = maxDepth;
alphabeta(this._maxDepth, -INF, INF, getColor());
return(bestMove);
}
public override void planMove(JokerGame game)
{
throw new NotImplementedException();
}
/**planMove * this is the AI thing that plans the move for * the player */ public abstract void planMove(JokerGame game);
