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bb: Refactor in_how_many_mills()

This commit is contained in:
Calcitem 2020-12-21 01:10:21 +08:00
parent c4c3340e9d
commit de6ee73d55
1 changed files with 15 additions and 10 deletions
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25
src/position.cpp
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@ -1597,18 +1597,23 @@ int Position::in_how_many_mills(Square s, Color c, Square squareSelected)
#endif #endif
} }
for (int l = 0; l < LD_NB; l++) { #ifndef DISABLE_BITBOARD
#ifdef DISABLE_BITBOARD Bitboard bc = byColorBB[c];
bool b = make_piece(c) & Bitboard *mt = millTableBB[s];
board[millTable[s][l][0]] &
board[millTable[s][l][1]];
#else
bool b = ((byColorBB[c] & millTableBB[s][l]) == millTableBB[s][l]);
#endif #endif
if (b) { for (int l = 0; l < LD_NB; l++) {
#ifdef DISABLE_BITBOARD
if (make_piece(c) &
board[millTable[s][l][0]] &
board[millTable[s][l][1]]) {
n++; n++;
} }
#else
if ((bc & mt[l]) == mt[l]) {
n++;
}
#endif
} }
if (squareSelected != SQ_0) { if (squareSelected != SQ_0) {
@ -1629,10 +1634,10 @@ int Position::add_mills(Square s)
#ifdef DISABLE_BITBOARD #ifdef DISABLE_BITBOARD
int idx[3], min, temp; int idx[3], min, temp;
#endif #else
Bitboard bc = byColorBB[color_on(s)]; Bitboard bc = byColorBB[color_on(s)];
Bitboard *mt = millTableBB[s]; Bitboard *mt = millTableBB[s];
#endif
for (int i = 0; i < 3; i++) { for (int i = 0; i < 3; i++) {