private MoveSet GetValidMoves(PieceName pieceName)
{
if (null == _cachedValidMovesByPiece)
{
_cachedValidMovesByPiece = new MoveSet[EnumUtils.NumPieceNames];
}
int pieceNameIndex = (int)pieceName;
if (null == _cachedValidMovesByPiece[pieceNameIndex])
{
#if DEBUG
// MoveSet is not cached in L1 cache
ValidMoveCacheMetricsSet["ValidMoves." + EnumUtils.GetShortName(pieceName)].Miss();
#endif
// Calculate MoveSet
Piece targetPiece = GetPiece(pieceName);
MoveSet moves = GetValidMovesInternal(targetPiece);
// Populate cache
_cachedValidMovesByPiece[pieceNameIndex] = moves;
}
#if DEBUG
else
{
// MoveSet is cached in L1 cache
ValidMoveCacheMetricsSet["ValidMoves." + EnumUtils.GetShortName(pieceName)].Hit();
}
#endif
return(_cachedValidMovesByPiece[pieceNameIndex]);
}
public static string ToBoardSpacePieceName(PieceName pieceName)
{
string name = EnumUtils.GetShortName(pieceName);
if (null != name && name.Length > 0)
{
name = name[0].ToString().ToLower() + name.Substring(1);
}
return(name);
}
public override string ToString()
{
return(string.Format("{0}[{1}]", EnumUtils.GetShortName(PieceName), null != Position ? Position.ToString() : ""));
}