/// <summary>Moves a Checkers piece on the board.</summary>
/// <param name="piece">The checkers piece to move.</param>
/// <param name="path">The the location for the piece to be moved to, and the path taken to get there.</param>
/// <returns>True if the piece was moved successfully.</returns>
public bool MovePiece(CheckersPiece piece, Point[] path)
{
if (isReadOnly)
{
throw new InvalidOperationException("Game is read only.");
}
if (!isPlaying)
{
throw new InvalidOperationException("Operation requires game to be playing.");
}
// Check for valid move
CheckersMove move = IsMoveValidCore(piece, path);
// Remove jumped pieces
foreach (CheckersPiece jumped in move.Jumped)
{
if (board[jumped.Location.X, jumped.Location.Y] == jumped)
{
board[jumped.Location.X, jumped.Location.Y] = null;
}
pieces.Remove(jumped);
jumped.RemovedFromPlay();
}
// Move the piece on board
board[piece.Location.X, piece.Location.Y] = null;
board[move.CurrentLocation.X, move.CurrentLocation.Y] = piece;
piece.Moved(move.CurrentLocation);
// King a pawn if reached other end of board
if (move.Kinged)
{
piece.Promoted();
}
// Remember last move
lastMove = move;
// Update player's turn
int prevTurn = turn;
if (++turn > PlayerCount)
{
turn = 1;
}
// Check for win by removal of opponent's pieces or by no turns available this turn
if ((EnumPlayerPieces(prevTurn).Length == 0) || (EnumMovablePieces().Length == 0))
{
DeclareWinner(prevTurn);
}
else
if (TurnChanged != null)
{
TurnChanged(this, EventArgs.Empty);
}
return(true);
}
