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Reformat FEN construction

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Simplify and shrink code.

No functional change.
This commit is contained in:
Marco Costalba 2013-01-04 12:32:13 +01:00
parent 193741218c
commit 9d1151575d
1 changed files with 10 additions and 17 deletions
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21
src/position.cpp
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@ -331,32 +331,25 @@ void Position::set_castle_right(Color c, Square rfrom) {
const string Position::fen() const { const string Position::fen() const {
std::ostringstream ss; std::ostringstream ss;
Square sq;
int emptyCnt;
for (Rank rank = RANK_8; rank >= RANK_1; rank--) for (Rank rank = RANK_8; rank >= RANK_1; rank--)
{ {
emptyCnt = 0;
for (File file = FILE_A; file <= FILE_H; file++) for (File file = FILE_A; file <= FILE_H; file++)
{ {
sq = file | rank; Square sq = file | rank;
if (is_empty(sq)) if (is_empty(sq))
{
int emptyCnt = 1;
for ( ; file < FILE_H && is_empty(sq++); file++)
emptyCnt++; emptyCnt++;
else
{
if (emptyCnt > 0)
{
ss << emptyCnt; ss << emptyCnt;
emptyCnt = 0;
} }
else
ss << PieceToChar[piece_on(sq)]; ss << PieceToChar[piece_on(sq)];
} }
}
if (emptyCnt > 0)
ss << emptyCnt;
if (rank > RANK_1) if (rank > RANK_1)
ss << '/'; ss << '/';