public void SetPiece(int x, int y, PieceState state)
{
var piece = GetPiece(x, y);
var dummy = new Piece(piece.X, piece.Y);
dummy.SetState(state);
// Throw an exception if the location has already been set
if (piece.State != PieceState.Open)
throw new ArgumentException("Location already set");
// Throw an exception if placement is invalid
if (!IsPlacingAllowed(dummy))
throw new ArgumentException("The piece does not have any valid adjacent pieces");
// Place the piece
piece.SetState(state);
// Turn connecting pieces
var connectingPieces = GetValidConnectingPieces(piece);
foreach (var p in connectingPieces)
{
p.SetState(state);
}
}
