side = rk.rand<Key>();
exclusion = rk.rand<Key>();
- for (PieceType pt = PAWN; pt <= KING; pt++)
+ for (Piece pc = W_PAWN; pc <= W_KING; pc++)
{
- PieceValue[MG][make_piece(BLACK, pt)] = PieceValue[MG][pt];
- PieceValue[EG][make_piece(BLACK, pt)] = PieceValue[EG][pt];
+ PieceValue[MG][~pc] = PieceValue[MG][pc];
+ PieceValue[EG][~pc] = PieceValue[EG][pc];
- Score v = make_score(PieceValue[MG][pt], PieceValue[EG][pt]);
+ Score v = make_score(PieceValue[MG][pc], PieceValue[EG][pc]);
for (Square s = SQ_A1; s <= SQ_H8; s++)
{
- pieceSquareTable[make_piece(WHITE, pt)][ s] = (v + PSQT[pt][s]);
- pieceSquareTable[make_piece(BLACK, pt)][~s] = -(v + PSQT[pt][s]);
+ pieceSquareTable[ pc][ s] = (v + PSQT[pc][s]);
+ pieceSquareTable[~pc][~s] = -(v + PSQT[pc][s]);
}
}
}
namespace {
-/// next_attacker() is an helper function used by see() to locate the least
-/// valuable attacker for the side to move, remove the attacker we just found
-/// from the 'occupied' bitboard and scan for new X-ray attacks behind it.
+// next_attacker() is an helper function used by see() to locate the least
+// valuable attacker for the side to move, remove the attacker we just found
+// from the 'occupied' bitboard and scan for new X-ray attacks behind it.
template<int Pt> FORCE_INLINE
PieceType next_attacker(const Bitboard* bb, const Square& to, const Bitboard& stmAttackers,
ss << square_to_string(pop_lsb(&b)) << " ";
ss << "\nLegal moves: ";
- for (MoveList<LEGAL> ml(*this); !ml.end(); ++ml)
- ss << move_to_san(*const_cast<Position*>(this), ml.move()) << " ";
+ for (MoveList<LEGAL> it(*this); *it; ++it)
+ ss << move_to_san(*const_cast<Position*>(this), *it) << " ";
return ss.str();
}
do_castle(from, to, rfrom, rto);
- st->psqScore += psq_delta(make_piece(us, ROOK), rfrom, rto);
k ^= Zobrist::psq[us][ROOK][rfrom] ^ Zobrist::psq[us][ROOK][rto];
+ st->psqScore += pieceSquareTable[make_piece(us, ROOK)][rto]
+ - pieceSquareTable[make_piece(us, ROOK)][rfrom];
}
if (capture)
}
// Update incremental scores
- st->psqScore += psq_delta(piece, from, to);
+ st->psqScore += pieceSquareTable[piece][to] - pieceSquareTable[piece][from];
// Set capture piece
st->capturedType = capture;