struct StateInfo {
Key pawnKey, materialKey;
- int castleRights, rule50, pliesFromNull;
+ int castleRights, rule50, ply, pliesFromNull;
Square epSquare;
Score value;
Value npMaterial[2];
friend class MaterialInfo;
friend class EndgameFunctions;
+ Position(); // No default or copy c'tor allowed
+ Position(const Position& pos);
+
public:
enum GamePhase {
MidGame,
};
// Constructors
- Position();
- explicit Position(const Position& pos);
- explicit Position(const std::string& fen);
+ explicit Position(int threadID);
+ Position(const Position& pos, int threadID);
+ Position(const std::string& fen, int threadID);
// Text input/output
void from_fen(const std::string& fen);
bool opposite_colored_bishops() const;
bool has_pawn_on_7th(Color c) const;
- // Reset the gamePly variable to 0
- void reset_game_ply();
+ // Game ply information
+ int thread() const;
+ int ply() const;
+ void reset_ply();
// Position consistency check, for debugging
bool is_ok(int* failedStep = NULL) const;
void allow_ooo(Color c);
// Helper functions for doing and undoing moves
- void do_capture_move(Bitboard& key, PieceType capture, Color them, Square to, bool ep);
+ void do_capture_move(Key& key, PieceType capture, Color them, Square to, bool ep);
void do_castle_move(Move m);
void undo_castle_move(Move m);
void find_checkers();
// Other info
Color sideToMove;
- int gamePly;
Key history[MaxGameLength];
int castleRightsMask[64];
StateInfo startState;
File initialKFile, initialKRFile, initialQRFile;
+ int threadID;
StateInfo* st;
// Static variables
static Key zobrist[2][8][64];
static Key zobEp[64];
static Key zobCastle[16];
- static Key zobMaterial[2][8][16];
static Key zobSideToMove;
static Score PieceSquareTable[16][64];
static Key zobExclusion;
return st->capture;
}
+inline int Position::thread() const {
+ return threadID;
+}
+
+inline int Position::ply() const {
+ return st->ply;
+}
+
#endif // !defined(POSITION_H_INCLUDED)