/// <summary>
/// Checks if King can find a capture on the given diagonal
/// </summary>
/// <param name="diagonaleCells"></param>
/// <param name="opponent"></param>
/// <param name="endPoints"></param>
/// <param name="takenPoint"></param>
/// <param name="taken"></param>
/// <param name="originalPosition"></param>
/// <returns></returns>
private bool CanKingCaptureDiagonale(List <Point> diagonaleCells, Player opponent,
out List <Point> endPoints, out Point?takenPoint,
List <Point> taken, Point originalPosition)
{
endPoints = new List <Point>();
takenPoint = null;
bool anyCaputeExist = false;
bool nextPieceReached = false;
bool diagonalEndReached = false;
int moveEndPosition = 1;
int diagonalIndex;
CellData cellData;
if (IsPieceFoundOnDiagonal(diagonaleCells, out diagonalIndex, out cellData))
{
moveEndPosition = diagonalIndex + 1;
if (moveEndPosition < diagonaleCells.Count)
{
do
{
bool nearestIsOpponent = cellData.Player == opponent;
bool nextIsEmpty = !Pieces.Any(x => x.Pos.Equals(diagonaleCells[moveEndPosition]) && !x.IsHighlight) ||
(diagonaleCells[moveEndPosition].Equals(originalPosition));
//original position shuold be empty at the time of move;
bool isNotTakenYet = !taken.Contains(diagonaleCells[0]);
diagonalEndReached = moveEndPosition == diagonaleCells.Count - 1;
nextPieceReached = !nextIsEmpty;
bool can = false;
if (nearestIsOpponent && nextIsEmpty && isNotTakenYet)
{
anyCaputeExist = true;
can = true;
}
if (can)
{
endPoints.Add(diagonaleCells[moveEndPosition]);
takenPoint = cellData.Pos;
}
moveEndPosition++;
} while (!diagonalEndReached && !nextPieceReached);
}
}
return(anyCaputeExist);
}
/// <summary>
/// Checks if the place is valid to move piece
/// </summary>
/// <param name="endPoint"></param>
/// <returns></returns>
private bool IsValidArrangeMove(Point endPoint)
{
//only dark cells
if (!_darkCells.Contains(endPoint))
{
return(false);
}
//only free cells
if (Pieces.Any(x => x.Pos.Equals(endPoint) && !x.IsHighlight))
{
return(false);
}
return(true);
}
private bool IsValidPlayMove(Point startPoint, Point endPoint, CellData activePiece)
{
throw new NotImplementedException("IsValidPlayMove not implemented yet");
//only dark cells
if (!_darkCells.Contains(endPoint))
{
return(false);
}
//only free cells
if (Pieces.Any(x => x.Pos.Equals(endPoint) && !x.IsHighlight))
{
return(false);
}
//men only move forward
if (activePiece.Type == PieceType.Man)
{
//white - up
if (activePiece.Player == Player.White)
{
if (startPoint.Y <= endPoint.Y)
{
return(false);
}
}
//black - down
else
{
if (startPoint.Y >= endPoint.Y)
{
return(false);
}
}
}
return(true);
}
/// <summary>
/// Checks if Man can find a capture on the given diagonal
/// </summary>
/// <param name="diagonaleCells"></param>
/// <param name="opponent"></param>
/// <param name="endPoint"></param>
/// <param name="takenPoint"></param>
/// <param name="taken"></param>
/// <param name="originalPosition"></param>
/// <returns></returns>
private bool CanManCaptureDiagonale(List <Point> diagonaleCells, Player opponent,
out Point?endPoint, out Point?takenPoint,
List <Point> taken, Point originalPosition)
{
endPoint = null;
takenPoint = null;
//nearest is opponent and next is free
bool nearestIsOpponent = Pieces.Any(x => x.Pos.Equals(diagonaleCells[0]) && !x.IsHighlight && x.Player == opponent);
bool nextIsEmpty = !Pieces.Any(x => x.Pos.Equals(diagonaleCells[1]) && !x.IsHighlight) ||
(diagonaleCells[1].Equals(originalPosition));//original position shuold be empty at the time of move
bool isNotTakenYet = !taken.Contains(diagonaleCells[0]);
bool can = nearestIsOpponent && nextIsEmpty && isNotTakenYet;
if (can)
{
endPoint = diagonaleCells[1];
takenPoint = diagonaleCells[0];
}
return(can);
}
public bool TurnIsOver()
{
return(!Pieces.Any(p => p.WaitingForMove));
}
public bool IsEmpty(BoardPosition pos) => !Pieces.Any(p => p.Position == pos);
