X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;ds=inline;f=src%2Fbitboard.cpp;h=281579c4a621842e312dfe43f7058e6a55fff34e;hb=217840a6a5a40b516cab59a450a9f36352997240;hp=e4287f356fd19cd766a88df6ed5b8852cf4bfc87;hpb=c8589903777b6e0289640b43fae966ded442af48;p=stockfish
diff --git a/src/bitboard.cpp b/src/bitboard.cpp
index e4287f35..281579c4 100644
--- a/src/bitboard.cpp
+++ b/src/bitboard.cpp
@@ -18,8 +18,8 @@
along with this program. If not, see .
*/
-#include
#include
+#include
#include "bitboard.h"
#include "misc.h"
@@ -28,19 +28,10 @@ uint8_t PopCnt16[1 << 16];
uint8_t SquareDistance[SQUARE_NB][SQUARE_NB];
Bitboard SquareBB[SQUARE_NB];
-Bitboard ForwardRanksBB[COLOR_NB][RANK_NB];
-Bitboard BetweenBB[SQUARE_NB][SQUARE_NB];
Bitboard LineBB[SQUARE_NB][SQUARE_NB];
-Bitboard DistanceRingBB[SQUARE_NB][8];
Bitboard PseudoAttacks[PIECE_TYPE_NB][SQUARE_NB];
Bitboard PawnAttacks[COLOR_NB][SQUARE_NB];
-Bitboard KingFlank[FILE_NB] = {
- QueenSide ^ FileDBB, QueenSide, QueenSide,
- CenterFiles, CenterFiles,
- KingSide, KingSide, KingSide ^ FileEBB
-};
-
Magic RookMagics[SQUARE_NB];
Magic BishopMagics[SQUARE_NB];
@@ -85,10 +76,7 @@ void Bitboards::init() {
for (Square s1 = SQ_A1; s1 <= SQ_H8; ++s1)
for (Square s2 = SQ_A1; s2 <= SQ_H8; ++s2)
- {
SquareDistance[s1][s2] = std::max(distance(s1, s2), distance(s1, s2));
- DistanceRingBB[s1][SquareDistance[s1][s2]] |= s2;
- }
int steps[][5] = { {}, { 7, 9 }, { 6, 10, 15, 17 }, {}, {}, {}, { 1, 7, 8, 9 } };
@@ -122,10 +110,7 @@ void Bitboards::init() {
for (PieceType pt : { BISHOP, ROOK })
for (Square s2 = SQ_A1; s2 <= SQ_H8; ++s2)
if (PseudoAttacks[pt][s1] & s2)
- {
LineBB[s1][s2] = (attacks_bb(pt, s1, 0) & attacks_bb(pt, s2, 0)) | s1 | s2;
- BetweenBB[s1][s2] = attacks_bb(pt, s1, square_bb(s2)) & attacks_bb(pt, s2, square_bb(s1));
- }
}
}