diff options
| -rw-r--r-- | Games/Chess/Chess.cpp | 38 | ||||
| -rw-r--r-- | Games/Chess/Chess.h | 5 |
2 files changed, 43 insertions, 0 deletions
diff --git a/Games/Chess/Chess.cpp b/Games/Chess/Chess.cpp index c0a3f55807..86eccc0daf 100644 --- a/Games/Chess/Chess.cpp +++ b/Games/Chess/Chess.cpp @@ -27,9 +27,30 @@ #include "Chess.h" #include <AK/Assertions.h> #include <AK/LogStream.h> +#include <AK/String.h> +#include <AK/StringBuilder.h> #include <AK/Vector.h> #include <stdlib.h> +String Chess::char_for_piece(Chess::Type type) +{ + switch (type) { + case Type::Knight: + return "N"; + case Type::Bishop: + return "B"; + case Type::Rook: + return "R"; + case Type::Queen: + return "Q"; + case Type::King: + return "K"; + case Type::Pawn: + default: + return ""; + } +} + Chess::Square::Square(const StringView& name) { ASSERT(name.length() == 2); @@ -51,6 +72,23 @@ Chess::Square::Square(const StringView& name) } } +String Chess::Square::to_algebraic() const +{ + StringBuilder builder; + builder.append(file - 'a'); + builder.append(rank - '1'); + return builder.build(); +} + +String Chess::Move::to_long_algebraic() const +{ + StringBuilder builder; + builder.append(from.to_algebraic()); + builder.append(to.to_algebraic()); + builder.append(char_for_piece(promote_to).to_lowercase()); + return builder.build(); +} + Chess::Chess() { // Fill empty spaces. diff --git a/Games/Chess/Chess.h b/Games/Chess/Chess.h index 920b767aae..b4c0fd520a 100644 --- a/Games/Chess/Chess.h +++ b/Games/Chess/Chess.h @@ -43,6 +43,7 @@ public: King, None, }; + static String char_for_piece(Type type); enum class Colour { White, @@ -55,6 +56,7 @@ public: Colour colour; Type type; bool operator==(const Piece& other) const { return colour == other.colour && type == other.type; } + }; static constexpr Piece EmptyPiece = { Colour::None, Type::None }; @@ -84,6 +86,7 @@ public: bool in_bounds() const { return rank < 8 && file < 8; } bool is_light() const { return (rank % 2) != (file % 2); } + String to_algebraic() const; }; struct Move { @@ -98,6 +101,8 @@ public: { } bool operator==(const Move& other) const { return from == other.from && to == other.to && promote_to == other.promote_to; } + + String to_long_algebraic() const; }; Chess(); |