/// <summary>
/// 获得棋步的音频字符串
/// </summary>
/// <param name="start">起始坐标</param>
/// <param name="end">终止坐标</param>
/// <returns></returns>
public String get_audio_string(Coordinate start, Coordinate end)
{
ChessColour player = this.current_player;
PieceType piece = this[start].type;
CoordinateDelta delta = end - start;
VerticalLine start_line = ChessPosition.get_vertical_line(
start, player);
VerticalLine end_line = ChessPosition.get_vertical_line(
end, player);
MoveDirection direction = ChessPosition.get_move_direction(
delta, player);
PieceIdentifier id;
switch (piece)
{
default:
throw new ArgumentOutOfRangeException("棋子种类越界!");
case PieceType.ADVISOR:
case PieceType.BISHOP:
return(ChessMove.to_audio_name(
player, piece, start_line, direction, end_line));
case PieceType.CANNON:
case PieceType.ROOK:
case PieceType.PAWN:
id = this.get_identifier(start);
if (direction == MoveDirection.SIDEWARD)
{
return(ChessMove.to_audio_name(
id, player, piece, start_line, direction, end_line));
}
return(ChessMove.to_audio_name(
id, player, piece, start_line, direction, delta));
case PieceType.KING:
if (direction == MoveDirection.SIDEWARD)
{
return(ChessMove.to_audio_name(
player, piece, start_line, direction, end_line));
}
return(ChessMove.to_audio_name(
player, piece, start_line, direction, delta));
case PieceType.KNIGHT:
id = this.get_identifier(start);
return(ChessMove.to_audio_name(
id, player, piece, start_line, direction, end_line));
}
}
