/*
* Convert into UCI notation
*/
extern char *moveToUci(char moveString[maxMoveSize], int move)
{
int from = from(move);
int to = to(move);
*moveString++ = fileToChar(file(from));
*moveString++ = rankToChar(rank(from));
*moveString++ = fileToChar(file(to));
*moveString++ = rankToChar(rank(to));
if (((move & specialMoveFlag) && rank(from) == rank7 && rank(to) == rank8)
|| ((move & specialMoveFlag) && rank(from) == rank2 && rank(to) == rank1))
*moveString++ = tolower(promotionPieceToChar[(move>>promotionBits)&3]);
*moveString = '\0';
return moveString;
}
void posDraw(const Pos *pos) {
// Header.
uciWrite("Position:\n");
// Board with pieces.
int file, rank;
for(rank=Rank8;rank>=Rank1;--rank) {
uciWrite("%i|", (rank+8)-Rank8);
for(file=FileA;file<=FileH;++file)
uciWrite(" %c", pieceToChar(posGetPieceOnSq(pos, sqMake(file,rank))));
uciWrite("\n");
}
uciWrite(" ----------------\n");
uciWrite(" ");
for(file=FileA;file<=FileH;++file)
uciWrite(" %c", (file+'a')-FileA);
uciWrite("\n");
// Other information.
uciWrite("STM: %s\n", colourToStr(posGetSTM(pos)));
uciWrite("Castling rights: %s\n", posCastRightsToStr(posGetCastRights(pos)));
if (pos->data->epSq!=SqInvalid)
uciWrite("EP-sq: %c%c\n", fileToChar(sqFile(pos->data->epSq)), rankToChar(sqRank(pos->data->epSq)));
else
uciWrite("EP-sq: -\n");
uciWrite("Half move number: %u\n", pos->data->halfMoveNumber);
uciWrite("Full move number: %u\n", pos->fullMoveNumber);
uciWrite("Base hash key: %016"PRIxKey"\n", posGetKey(pos));
uciWrite("Pawn hash key: %016"PRIxKey"\n", posGetPawnKey(pos));
uciWrite("Material hash key: %016"PRIxKey"\n", posGetMatKey(pos));
}
extern void boardToFen(Board_t self, char *fen)
{
/*
* Squares
*/
for (int rank=rank8; rank!=rank1-rankStep; rank-=rankStep) {
int emptySquares = 0;
for (int file=fileA; file!=fileH+fileStep; file+=fileStep) {
int square = square(file, rank);
int piece = self->squares[square];
if (piece != empty) {
if (emptySquares > 0) *fen++ = '0' + emptySquares;
*fen++ = pieceToChar[piece];
emptySquares = 0;
} else
emptySquares++;
}
if (emptySquares > 0) *fen++ = '0' + emptySquares;
if (rank != rank1) *fen++ = '/';
}
/*
* Side to move
*/
*fen++ = ' ';
*fen++ = (sideToMove(self) == white) ? 'w' : 'b';
/*
* Castling flags
*/
*fen++ = ' ';
if (self->castleFlags) {
if (self->castleFlags & castleFlagWhiteKside) *fen++ = 'K';
if (self->castleFlags & castleFlagWhiteQside) *fen++ = 'Q';
if (self->castleFlags & castleFlagBlackKside) *fen++ = 'k';
if (self->castleFlags & castleFlagBlackQside) *fen++ = 'q';
} else
*fen++ = '-';
/*
* En-passant square
*/
*fen++ = ' ';
normalizeEnPassantStatus(self);
if (self->enPassantPawn) {
*fen++ = fileToChar(file(self->enPassantPawn));
*fen++ = rankToChar((sideToMove(self) == white) ? rank6 : rank3);
} else
*fen++ = '-';
/*
* Move number (TODO)
*/
/*
* Halfmove clock (TODO)
*/
*fen = '\0';
}
