public Board Shift(int shiftR, int shiftC)
{
Board retBoard = new Board()
{
MoveNoMade = this.MoveNoMade,
WhoHasMove = this.WhoHasMove
};
// check if board can be shifted
foreach (Position position in Positions)
{
if (position.Owner != Position.Player.None)
{
if (Board.IsCoordinateOK(position.R + shiftR) && Board.IsCoordinateOK(position.C + shiftC))
{
// shift
retBoard.Positions[position.R + shiftR, position.C + shiftC] = position.Clone();
}
else // can't shift owned positions
{
return(null);
}
}
}
return(retBoard);
}
public bool PredictShift(Board board, Move move)
{
// shift
for (int shiftR = MIN_SHIFT; shiftR <= MAX_SHIFT; shiftR++)
{
for (int shiftC = MIN_SHIFT; shiftC <= MAX_SHIFT; shiftC++)
{
Board boardBeforeMoveAfterShift = move.BoardBeforeMove.Shift(shiftR, shiftC);
if (boardBeforeMoveAfterShift != null)
{
if (boardBeforeMoveAfterShift.ToString().Equals(board.ToString()))
{
int destinyR = move.MoveMade.R + shiftR;
int destinyC = move.MoveMade.C + shiftC;
if (Board.IsCoordinateOK(destinyR) && Board.IsCoordinateOK(destinyC))
{
PredictionsByKnownAfterShift[destinyR, destinyC] += PREDICTION_AFTER_SHIFT_WEIGHT;
}
}
}
}
}
return(false);
}