stellar

0 #include "game.hpp"

1

2 #include "board.hpp"

3 #include "logger.hpp"

4 #include "timer.hpp"

5 #include "utils_ui.hpp"

6

7 #include <format>

8

9 bool Game::san = true;

10 const std::string Game::startPosition = start_position;

11

12 uint16_t Game::id_t = 0;

13 Game::~Game() { logger::log(std::format("Game {}: destroyed", id), logger::Debug); }

14 Game::Game(const uint16_t match_id, const std::string &white, const std::string &black,

15 const std::string &fen)

16 : match_id(match_id), white(white), black(black), fen(fen) {

17 logger::log(std::format("Game {}: started", id), logger::Debug);

18 }

19

20 const std::string Game::get_moves() const {

21 std::string res;

22 if (list.size()) res += (std::string)list[0];

23 for (int i = 1; i < list.size(); i++)

24 res += " " + (std::string)list[i];

25 return res;

26 }

27

28 const std::string Game::to_san(const Board &board, const Move move) {

29 Board copy = board;

30 if (!move.make(copy)) {

31 logger::log("illegal move", logger::Critical);

32 throw std::runtime_error("illegal move");

33 }

34

35 if (move.is_castle_king()) return "O-O";

36 if (move.is_castle_queen()) return "O-O-O";

37

38 const Type piece = board.get_square_piece_type(move.source());

39 const Type target = board.get_square_piece_type(move.target());

40

41 std::string res;

42 if (piece != PAWN) {

43 res += piece::get_code(piece, WHITE);

44

45 U64 potential = board.get_bitboard_square_land(move.target(), piece, board.get_side());

46 if (bit::count(potential) > 1) {

47 int file[9] = {0}, rank[9] = {0};

48 uint8_t square_i = 0;

49 bitboard_for_each_bit(square_i, potential) {

50 const std::string crd = to_coordinates(static_cast<Square>(square_i));

51 file[crd[0] & 0x3]++;

52 rank[crd[1] & 0x3]++;

53 }

54

55 const std::string crd = to_coordinates(move.source());

56 if (file[crd[0] & 0x3] == 1) res += crd[0];

57 else if (rank[crd[1] & 0x3] == 1)

58 res += crd[1];

59 else

60 res += crd;

61 }

62

63 if (target != Type::NO_TYPE) res += "x";

64 res += to_coordinates(move.target());

65 } else {

66 if (target != Type::NO_TYPE) res += std::format("{}x", to_coordinates(move.source())[0]);

67 res += to_coordinates(move.target());

68 if (move.is_promote()) res += piece::get_code(move.promoted(), WHITE);

69 if (move.is_enpassant()) res += " e.p.";

70 }

71

72 if (!MoveList(copy, false, true).size()) res += "#";

73 else if (copy.is_check())

74 res += "+";

75

76 return res;

77 }

78

79 std::ostream &operator<<(std::ostream &os, const Game &game) {

80 static const std::string name[] = {"death", "time forfeit", "rules infraction", "repetition"};

81 os << std::format("[Event \"Match {}\"]", game.match_id);

82 os << std::format("\n[Site \"{}\"]", "Stellar Arena");

83 os << std::format("\n[Date \"{}\"]", timer::get_ms());

84 os << std::format("\n[Round \"{}\"]", game.id);

85 os << std::format("\n[White \"{}\"]", game.get_white());

86 os << std::format("\n[Black \"{}\"]", game.get_black());

87 os << std::format("\n[Result \"{}-{}\"]", (int)game.is_win_white(), (int)game.is_win_black());

88 os << std::format("\n[Termination \"{}\"]", name[game.get_terminate()]);

89 if (game.fen != Game::startPosition) {

90 os << std::format("\n[SetUp \"1\"]");

91 os << std::format("\n[FEN \"{}\"]", game.fen);

92 }

93 os << '\n';

94

95 if (!game.list.size()) return os;

96 Board board(game.fen);

97

98 const Color side = board.get_side();

99 if (side == BLACK) os << std::format("1. ... ");

100 for (int i = 0; i < game.list.size(); i++) {

101 if (i % 2 == side) os << std::format("{}. ", i / 2 + 1);

102 os << std::format("{} ", Game::san ? Game::to_san(board, game.list[i]) : (std::string)game.list[i]);

103 game.list[i].make(board);

104 }

105

106 return os;

107 }