From 1b006985ba2381a29dd9aa34aec1dafbae224897 Mon Sep 17 00:00:00 2001 From: Adam Date: Fri, 31 Jul 2026 20:27:02 +0200 Subject: using cpp check on this project --- src/zobrist/zobrist.cpp | 72 ------------------------------------------------- 1 file changed, 72 deletions(-) delete mode 100644 src/zobrist/zobrist.cpp (limited to 'src/zobrist/zobrist.cpp') diff --git a/src/zobrist/zobrist.cpp b/src/zobrist/zobrist.cpp deleted file mode 100644 index a1efd78..0000000 --- a/src/zobrist/zobrist.cpp +++ /dev/null @@ -1,72 +0,0 @@ -#include "zobrist.hpp" -#include "../board/board.hpp" - -#include - -uint64_t PieceKeys[2][7][64]; -uint64_t SideKey; -uint64_t CastleKeys[16]; -uint64_t EnPassantKeys[8]; - -void InitZobrist() { - std::mt19937_64 rng(1234567); // fixed seed - - for (int color = 0; color < 2; color++) { - for (int piece = 0; piece < 7; piece++) { - for (int square = 0; square < 64; square++) { - PieceKeys[color][piece][square] = rng(); - } - } - } - - SideKey = rng(); - - for (int i = 0; i < 16; i++) { - CastleKeys[i] = rng(); - } - - for (int i = 0; i < 8; i++) { - EnPassantKeys[i] = rng(); - } -} - -uint64_t GenerateZobristKey(Game *b) { - uint64_t key = 0; - - for (int square = 0; square < 64; square++) { - Piece p = b->pieces[square]; - - if (p.type == NONEPIECE) - continue; - - key ^= PieceKeys[p.color][p.type][square]; - } - - // side to move - if (b->turn) - key ^= SideKey; - - // castling - int castle = 0; - - if (b->whiteCastleKing) - castle |= 1; - - if (b->whiteCastleQueen) - castle |= 2; - - if (b->blackCastleKing) - castle |= 4; - - if (b->blackCastleQueen) - castle |= 8; - - key ^= CastleKeys[castle]; - - // en passant - if (b->canEnpassant) { - key ^= EnPassantKeys[b->enPassant.file]; - } - - return key; -} -- cgit v1.2.3