PIECE_NB = 16
};
+const Piece Pieces[] = { W_PAWN, W_KNIGHT, W_BISHOP, W_ROOK, W_QUEEN, W_KING,
+ B_PAWN, B_KNIGHT, B_BISHOP, B_ROOK, B_QUEEN, B_KING };
+extern Value PieceValue[PHASE_NB][PIECE_NB];
+
enum Depth {
ONE_PLY = 1,
return make_score(mg_value(s) / i, eg_value(s) / i);
}
-extern Value PieceValue[PHASE_NB][PIECE_NB];
-
inline Color operator~(Color c) {
- return Color(c ^ BLACK);
+ return Color(c ^ BLACK); // Toggle color
}
inline Square operator~(Square s) {
}
inline Piece operator~(Piece pc) {
- return Piece(pc ^ 8);
+ return Piece(pc ^ 8); // Swap color of piece B_KNIGHT -> W_KNIGHT
}
inline CastlingRight operator|(Color c, CastlingSide s) {
}
inline Square make_square(File f, Rank r) {
- return Square((r << 3) | f);
+ return Square((r << 3) + f);
}
inline Piece make_piece(Color c, PieceType pt) {
}
inline Move make_move(Square from, Square to) {
- return Move(to | (from << 6));
+ return Move((from << 6) + to);
}
template<MoveType T>
inline Move make(Square from, Square to, PieceType pt = KNIGHT) {
- return Move(to | (from << 6) | T | ((pt - KNIGHT) << 12));
+ return Move(T + ((pt - KNIGHT) << 12) + (from << 6) + to);
}
inline bool is_ok(Move m) {