Use newly introduced LineBB[]
No functional change.
for (Square s = s1 + delta; s != s2; s += delta)
BetweenBB[s1][s2] |= s;
- PieceType pc = (PseudoAttacks[BISHOP][s1] & s2) ? BISHOP : ROOK;
- LineBB[s1][s2] = (PseudoAttacks[pc][s1] & PseudoAttacks[pc][s2]) | s1 | s2;
+ PieceType pt = (PseudoAttacks[BISHOP][s1] & s2) ? BISHOP : ROOK;
+ LineBB[s1][s2] = (PseudoAttacks[pt][s1] & PseudoAttacks[pt][s2]) | s1 | s2;
}
}
/// either on a straight or on a diagonal line.
inline bool squares_aligned(Square s1, Square s2, Square s3) {
- return (BetweenBB[s1][s2] | BetweenBB[s1][s3] | BetweenBB[s2][s3])
- & ( SquareBB[s1] | SquareBB[s2] | SquareBB[s3]);
+ return LineBB[s1][s2] & s3;
}