/// <summary>
/// Returns the move specified by the given information.
/// </summary>
/// <param name="position">The position the move is to be played on.</param>
/// <param name="from">The initial square of the move.</param>
/// <param name="to">The final square of the move.</param>
/// <returns>The move specified by the given information.</returns>
private Int32 CreateMove(Position position, Int32 from, Int32 to)
{
foreach (Int32 move in position.LegalMoves())
{
if (from == Move.From(move) && to == Move.To(move))
{
Int32 special = Move.Special(move);
if (Move.IsPromotion(move))
{
switch (SelectionBox.Show("What piece would you like to promote to?", "Queen", "Rook", "Bishop", "Knight"))
{
case "Queen":
special = position.SideToMove | Piece.Queen;
break;
case "Rook":
special = position.SideToMove | Piece.Rook;
break;
case "Bishop":
special = position.SideToMove | Piece.Bishop;
break;
case "Knight":
special = position.SideToMove | Piece.Knight;
break;
}
}
return(Move.Create(position, from, to, special));
}
}
return(Move.Invalid);
}
/// <summary>
/// Displays a SelectionBox and returns the option chosen by the user.
/// </summary>
/// <param name="message">The message to display.</param>
/// <param name="options">The default input.</param>
/// <returns>The option choosen by the user.</returns>
public static String Show(String message, params String[] options)
{
while (true)
{
using (SelectionBox a = new SelectionBox()) {
if (a.ShowDialog(message, options) == DialogResult.OK)
{
return(a.responseBox.Text);
}
}
}
}