voroskoi/pistike - Change GDHXEMN5IXJDS63G3DUZH5PR2XH2SSXISABF2JHCYA3JSRXDPLMQC

makeMove: update occupancies

Created by voroskoi on January 8, 2023

GDHXEMN5IXJDS63G3DUZH5PR2XH2SSXISABF2JHCYA3JSRXDPLMQC

Dependencies

In channels

main

Change contents

Insertion in src/Board.zig at line 75 [4.16071]

[3.490]

[4.18529]

    fn unSet(self: *@This(), s: Square) void {
        var ret = @bitCast(BoardType, self.*);
        ret &= ~(@as(BoardType, 1) << @enumToInt(s));
        self.* = @bitCast(BitBoard, ret);
    }

Replacement in src/Board.zig at line 179 [4.16071]

B:BD[4.20128] → [4.20128:20220]

    occupancies: [@typeInfo(Chess.Colors).Enum.fields.len]BoardType = [_]BoardType{0} ** 2,

[4.20128]

[4.20220]

    occupancies: [@typeInfo(Chess.Colors).Enum.fields.len]BitBoard = blk: {
        var bbs: [2]BitBoard = undefined;
        for (bbs) |*bb| {
            bb.* = BitBoard{};
        }
        break :blk bbs;
    },

Insertion in src/Board.zig at line 195 [4.16071]

[4.20544]

            bb.* = .{};
        }
        for (self.occupancies) |*bb| {

Deletion in src/Board.zig at line 201 [4.16071]
B:BD[4.20607] → [4.20607:20656]
```
        self.occupancies = [_]BoardType{0} ** 2;
```

Replacement in src/Board.zig at line 242 [4.16071]

B:BD[4.21806] → [4.21806:21934]

        return self.occupancies[@enumToInt(Chess.Colors.white)] |
            self.occupancies[@enumToInt(Chess.Colors.black)];

[4.21806]

[4.21934]

        return @bitCast(BoardType, self.occupancies[@enumToInt(Chess.Colors.white)]) |
            @bitCast(BoardType, self.occupancies[@enumToInt(Chess.Colors.black)]);

Deletion in src/Board.zig at line 299 [4.16071]

B:BD[4.23929] → [4.23929:24068]

                    self.occupancies[@enumToInt(Chess.Colors.white)] |=
                        @as(BoardType, 1) << (rank * SIZE + file);

Insertion in src/Board.zig at line 300 [4.16071]

[3.1148]

[4.24068]

                    self.occupancies[@enumToInt(Chess.Colors.white)].set(square);

Deletion in src/Board.zig at line 312 [4.16071]

B:BD[4.24765] → [4.24765:24904]

                    self.occupancies[@enumToInt(Chess.Colors.black)] |=
                        @as(BoardType, 1) << (rank * SIZE + file);

Insertion in src/Board.zig at line 313 [4.16071]

[3.1687]

[4.24904]

                    self.occupancies[@enumToInt(Chess.Colors.black)].set(square);

Replacement in src/Board.zig at line 541 [4.16071]

B:BD[4.33985] → [4.33985:34043]

                self.occupancies[@enumToInt(self.enemy)];

[4.33985]

[4.34043]

                @bitCast(BoardType, self.occupancies[@enumToInt(self.enemy)]);

Replacement in src/Board.zig at line 696 [4.16071]

B:BD[4.39819] → [4.39819:39877]

                ~self.occupancies[@enumToInt(self.side)];

[4.39819]

[4.39877]

                ~@bitCast(BoardType, self.occupancies[@enumToInt(self.side)]);

Replacement in src/Board.zig at line 701 [4.16071]

B:BD[4.39983] → [4.39983:40125]

                if (self.occupancies[@enumToInt(self.enemy)] &
                    @as(BoardType, 1) << target_square != 0)
                {

[4.39983]

[4.40125]

                if (self.occupancies[@enumToInt(self.enemy)].isSet(@intToEnum(Square, target_square))) {

Insertion in src/Board.zig at line 733 [4.16071]

[3.2569]

                // handle occupancy arrays
                {
                    // remove source target, one of them is no-op
                    self.occupancies[@enumToInt(Chess.Colors.white)].unSet(move.source);
                    self.occupancies[@enumToInt(Chess.Colors.black)].unSet(move.source);
                    // set target for the proper side
                    switch (self.side) {
                        .white => {
                            self.occupancies[@enumToInt(Chess.Colors.white)].set(move.target);
                            self.occupancies[@enumToInt(Chess.Colors.black)].unSet(move.target);
                        },
                        .black => {
                            self.occupancies[@enumToInt(Chess.Colors.black)].set(move.target);
                            self.occupancies[@enumToInt(Chess.Colors.white)].unSet(move.target);
                        },
                    }
                }

Insertion in src/Board.zig at line 799 [4.16071]

[2.1441]

                        // king part is already handled, take care of the rooks

Insertion in src/Board.zig at line 804 [4.16071]

[2.1687]

                                self.occupancies[@enumToInt(Chess.Colors.white)].pop(Square.h1);
                                self.occupancies[@enumToInt(Chess.Colors.white)].set(Square.f1);

Insertion in src/Board.zig at line 810 [4.16071]

[2.1917]

                                self.occupancies[@enumToInt(Chess.Colors.white)].pop(Square.a1);
                                self.occupancies[@enumToInt(Chess.Colors.white)].set(Square.d1);

Insertion in src/Board.zig at line 816 [4.16071]

[2.2147]

                                self.occupancies[@enumToInt(Chess.Colors.black)].pop(Square.h1);
                                self.occupancies[@enumToInt(Chess.Colors.black)].set(Square.f1);

Insertion in src/Board.zig at line 822 [4.16071]

[2.2377]

                                self.occupancies[@enumToInt(Chess.Colors.black)].pop(Square.a8);
                                self.occupancies[@enumToInt(Chess.Colors.black)].set(Square.d8);

Insertion in src/Board.zig at line 898 [4.16071]

[3.5143]

            gs.occupancies[0].show();
            gs.occupancies[1].show();