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Unify PseudoAttacks arrays

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No functional change.

Signed-off-by: Marco Costalba <mcostalba@gmail.com>
This commit is contained in:
Marco Costalba
2012-01-09 09:48:27 +01:00
parent 9b43fd7937
commit b05fbb3733
5 changed files with 26 additions and 31 deletions
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12
src/bitboard.cpp
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@@ -49,9 +49,7 @@ Bitboard SquaresInFrontMask[2][64];
Bitboard PassedPawnMask[2][64];
Bitboard AttackSpanMask[2][64];
Bitboard BishopPseudoAttacks[64];
Bitboard RookPseudoAttacks[64];
Bitboard QueenPseudoAttacks[64];
Bitboard PseudoAttacks[6][64];
uint8_t BitCount8Bit[256];
int SquareDistance[64][64];
@@ -227,14 +225,14 @@ void bitboards_init() {
for (Square s = SQ_A1; s <= SQ_H8; s++)
{
BishopPseudoAttacks[s] = bishop_attacks_bb(s, 0);
RookPseudoAttacks[s] = rook_attacks_bb(s, 0);
QueenPseudoAttacks[s] = queen_attacks_bb(s, 0);
PseudoAttacks[BISHOP][s] = bishop_attacks_bb(s, 0);
PseudoAttacks[ROOK][s] = rook_attacks_bb(s, 0);
PseudoAttacks[QUEEN][s] = queen_attacks_bb(s, 0);
}
for (Square s1 = SQ_A1; s1 <= SQ_H8; s1++)
for (Square s2 = SQ_A1; s2 <= SQ_H8; s2++)
if (bit_is_set(QueenPseudoAttacks[s1], s2))
if (bit_is_set(PseudoAttacks[QUEEN][s1], s2))
{
Square delta = (s2 - s1) / square_distance(s1, s2);