private CastlingState GetCastlingStateForRookMovement(Piece piece, Move move, CastlingState currentState)
{
var newCastlingState = new CastlingState
{
WhiteKingside = currentState.WhiteKingside,
WhiteQueenside = currentState.WhiteQueenside,
BlackKingside = currentState.BlackKingside,
BlackQueenside = currentState.BlackQueenside
};
if (piece.Color == Color.White)
{
if (move.StartPosition.X == 0 && move.StartPosition.Y == 0)
{
newCastlingState.WhiteQueenside = false;
}
else if (move.StartPosition.X == 7 && move.StartPosition.Y == 0)
{
newCastlingState.WhiteKingside = false;
}
return(newCastlingState);
}
if (move.StartPosition.X == 0 && move.StartPosition.Y == 7)
{
newCastlingState.BlackQueenside = false;
}
else if (move.StartPosition.X == 7 && move.StartPosition.Y == 7)
{
newCastlingState.BlackKingside = false;
}
return(newCastlingState);
}
private string GetCastlingStateFen(CastlingState state)
{
if (!state.WhiteKingside && !state.WhiteQueenside && !state.BlackKingside && !state.BlackQueenside)
{
return("-");
}
string output = "";
if (state.WhiteKingside)
{
output += 'K';
}
if (state.WhiteQueenside)
{
output += 'Q';
}
if (state.BlackKingside)
{
output += 'k';
}
if (state.BlackQueenside)
{
output += 'q';
}
return(output);
}
private CastlingState GetCastlingStateForKingMovement(Piece piece, CastlingState currentState)
{
if (piece.Color == Color.White)
{
return(new CastlingState
{
WhiteKingside = false,
WhiteQueenside = false,
BlackKingside = currentState.BlackKingside,
BlackQueenside = currentState.BlackQueenside
});
}
return(new CastlingState
{
WhiteKingside = currentState.WhiteKingside,
WhiteQueenside = currentState.WhiteQueenside,
BlackKingside = false,
BlackQueenside = false
});
}