X-Git-Url: https://git.sesse.net/?p=stockfish;a=blobdiff_plain;f=src%2Fposition.h;h=8bd70b1643f3d47f6d530b0a091692e63de5dde6;hp=600c1648205f2d7cf9e6c4e8a7d7032c004de921;hb=d9113d127b491db0a427a416217d55d3d298c25e;hpb=f200f3ccd2281deadecb6279fac59b16dea622d5 diff --git a/src/position.h b/src/position.h index 600c1648..8bd70b16 100644 --- a/src/position.h +++ b/src/position.h @@ -17,35 +17,19 @@ along with this program. If not, see . */ - #if !defined(POSITION_H_INCLUDED) #define POSITION_H_INCLUDED -//// -//// Includes -//// - #include "bitboard.h" -#include "color.h" #include "move.h" -#include "piece.h" -#include "square.h" -#include "value.h" - - -//// -//// Constants -//// +#include "types.h" /// Maximum number of plies per game (220 should be enough, because the /// maximum search depth is 100, and during position setup we reset the /// move counter for every non-reversible move). const int MaxGameLength = 220; - -//// -//// Types -//// +class Position; /// struct checkInfo is initialized at c'tor time and keeps /// info used to detect if a move gives check. @@ -220,7 +204,7 @@ public: bool square_is_weak(Square s, Color c) const; // Doing and undoing moves - void detach(); + void do_setup_move(Move m); void do_move(Move m, StateInfo& st); void do_move(Move m, StateInfo& st, const CheckInfo& ci, bool moveIsCheck); void undo_move(Move m); @@ -250,9 +234,7 @@ public: // Check if side to move could be mated in one bool has_mate_threat(); - // Number of plies since the last non-reversible move - int rule_50_counter() const; - + // Number of plies from starting position int startpos_ply_counter() const; // Other properties of the position @@ -263,9 +245,6 @@ public: // Current thread ID searching on the position int thread() const; - // Reset the gamePly variable to 0 - void reset_game_ply(); - void inc_startpos_ply_counter(); int64_t nodes_searched() const; void set_nodes_searched(int64_t n); @@ -280,6 +259,7 @@ private: // Initialization helper functions (used while setting up a position) void clear(); + void detach(); void put_piece(Piece p, Square s); void do_allow_oo(Color c); void do_allow_ooo(Color c); @@ -341,11 +321,6 @@ private: static const Value PieceValueEndgame[17]; }; - -//// -//// Inline functions -//// - inline int64_t Position::nodes_searched() const { return nodes; } @@ -456,12 +431,12 @@ inline Square Position::initial_qr_square(Color c) const { template<> inline Bitboard Position::attacks_from(Square s, Color c) const { - return StepAttackBB[piece_of_color_and_type(c, PAWN)][s]; + return StepAttacksBB[make_piece(c, PAWN)][s]; } template // Knight and King and white pawns inline Bitboard Position::attacks_from(Square s) const { - return StepAttackBB[Piece][s]; + return StepAttacksBB[Piece][s]; } template<> @@ -512,7 +487,7 @@ inline Key Position::get_material_key() const { } inline Score Position::pst(Color c, PieceType pt, Square s) { - return PieceSquareTable[piece_of_color_and_type(c, pt)][s]; + return PieceSquareTable[make_piece(c, pt)][s]; } inline Score Position::pst_delta(Piece piece, Square from, Square to) { @@ -530,27 +505,22 @@ inline Value Position::non_pawn_material(Color c) const { inline bool Position::move_is_passed_pawn_push(Move m) const { Color c = side_to_move(); - return piece_on(move_from(m)) == piece_of_color_and_type(c, PAWN) + return piece_on(move_from(m)) == make_piece(c, PAWN) && pawn_is_passed(c, move_to(m)); } -inline int Position::rule_50_counter() const { - return st->rule50; -} - inline int Position::startpos_ply_counter() const { return startPosPlyCounter; } inline bool Position::opposite_colored_bishops() const { - return piece_count(WHITE, BISHOP) == 1 - && piece_count(BLACK, BISHOP) == 1 - && !same_color_squares(piece_list(WHITE, BISHOP, 0), piece_list(BLACK, BISHOP, 0)); + return piece_count(WHITE, BISHOP) == 1 && piece_count(BLACK, BISHOP) == 1 + && opposite_color_squares(piece_list(WHITE, BISHOP, 0), piece_list(BLACK, BISHOP, 0)); } inline bool Position::has_pawn_on_7th(Color c) const { - return pieces(PAWN, c) & relative_rank_bb(c, RANK_7); + return pieces(PAWN, c) & rank_bb(relative_rank(c, RANK_7)); } inline bool Position::is_chess960() const {