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Chess: Added ability to resign and flip the board

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This patch adds options to the app's menubar to resign the game and
flip the board.
This commit is contained in:
AnicJov 2020-12-04 13:17:00 +01:00 • committed by Andreas Kling
parent 694f68ab86
commit 01b62cc7f4
5 changed files with 76 additions and 0 deletions
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39
Libraries/LibChess/Chess.cpp
View file

@ -512,6 +512,9 @@ Move Board::random_move(Colour colour) const
Board::Result Board::game_result() const
{
if (m_resigned != Colour::None)
return (m_resigned == Colour::White) ? Result::WhiteResign : Result::BlackResign;
bool sufficient_material = false;
bool no_more_pieces_allowed = false;
Optional<Square> bishop;
@ -684,4 +687,40 @@ bool Board::operator==(const Board& other) const
return turn() == other.turn();
}
void Board::set_resigned(Chess::Colour c)
{
m_resigned = c;
}
String Board::result_to_string(Result r) const
{
switch (r) {
case Result::CheckMate:
if (m_turn == Chess::Colour::White)
return "Black wins by Checkmate";
else
return "White wins by Checkmate";
case Result::WhiteResign:
return "Black wins by Resignation";
case Result::BlackResign:
return "White wins by Resignation";
case Result::StaleMate:
return "Draw by Stalemate";
case Chess::Board::Result::FiftyMoveRule:
return "Draw by 50 move rule";
case Chess::Board::Result::SeventyFiveMoveRule:
return "Draw by 75 move rule";
case Chess::Board::Result::ThreeFoldRepetition:
return "Draw by threefold repetition";
case Chess::Board::Result::FiveFoldRepetition:
return "Draw by fivefold repetition";
case Chess::Board::Result::InsufficientMaterial:
return "Draw by insufficient material";
case Chess::Board::Result::NotFinished:
return "Game not finished";
default:
ASSERT_NOT_REACHED();
}
}
}

6
Libraries/LibChess/Chess.h
View file

@ -135,6 +135,8 @@ public:
enum class Result {
CheckMate,
StaleMate,
WhiteResign,
BlackResign,
FiftyMoveRule,
SeventyFiveMoveRule,
ThreeFoldRepetition,
@ -143,6 +145,8 @@ public:
NotFinished,
};
String result_to_string(Result) const;
template<typename Callback>
void generate_moves(Callback callback, Colour colour = Colour::None) const;
Move random_move(Colour colour = Colour::None) const;
@ -150,6 +154,7 @@ public:
Colour game_winner() const;
int game_score() const;
bool game_finished() const;
void set_resigned(Colour);
int material_imbalance() const;
Colour turn() const { return m_turn; }
@ -164,6 +169,7 @@ private:
Piece m_board[8][8];
Colour m_turn { Colour::White };
Colour m_resigned { Colour::None };
Optional<Move> m_last_move;
int m_moves_since_capture { 0 };