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Improve pawn promotion API

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This commit is contained in:
Loic Guegan 2023-01-10 16:18:23 +01:00
parent 9e8b8d630c
commit 6f48becb91
3 changed files with 11 additions and 2 deletions
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7
src/ChessArbiter.cpp
View file

@ -3,7 +3,7 @@
namespace chessarbiter { namespace chessarbiter {
ChessArbiter::ChessArbiter() ChessArbiter::ChessArbiter()
: wPawn(1), wRook(5), wKnight(3), wBishop(3), wQueen(9), wKing(0), SAN(""), : wPawn(1), wRook(5), wKnight(3), wBishop(3), wQueen(9), wKing(0), SAN(""),
capture(' '), was_enpassant(false) { capture(' '), was_enpassant(false), was_pawn_promotion(false) {
Setup("rnbqkbnr/pppppppp/8/8/8/8/PPPPPPPP/RNBQKBNR w KQkq - 0 1"); Setup("rnbqkbnr/pppppppp/8/8/8/8/PPPPPPPP/RNBQKBNR w KQkq - 0 1");
} }
@ -51,6 +51,7 @@ bool ChessArbiter::Play(const std::string &move, char promote) {
SAN = ""; SAN = "";
capture = ' '; capture = ' ';
was_enpassant=false; was_enpassant=false;
was_pawn_promotion=false;
if (IsCapture) { if (IsCapture) {
capture = board.GetPieceAt(dst).piece; capture = board.GetPieceAt(dst).piece;
@ -131,10 +132,12 @@ bool ChessArbiter::Play(const std::string &move, char promote) {
board.RemovePiece(dst); board.RemovePiece(dst);
board.AddPiece(tolower(promote),dst); board.AddPiece(tolower(promote),dst);
SAN+="="+toupper(promote); SAN+="="+toupper(promote);
was_pawn_promotion=true;
} else if(dst[1]=='8'){ } else if(dst[1]=='8'){
board.RemovePiece(dst); board.RemovePiece(dst);
board.AddPiece(toupper(promote),dst); board.AddPiece(toupper(promote),dst);
SAN+="="+toupper(promote); SAN+="="+toupper(promote);
was_pawn_promotion=true;
} }
} }
// Captures reset half moves // Captures reset half moves
@ -189,6 +192,8 @@ bool ChessArbiter::Play(const std::string &move, char promote) {
bool ChessArbiter::WasEnPassant() { return (was_enpassant); } bool ChessArbiter::WasEnPassant() { return (was_enpassant); }
bool ChessArbiter::WasPawnPromotion() { return (was_pawn_promotion); };
bool ChessArbiter::IsAttacked(const std::string &square, bool by) { bool ChessArbiter::IsAttacked(const std::string &square, bool by) {
std::vector<std::string> moves = board.ListPossibleMoves(by); std::vector<std::string> moves = board.ListPossibleMoves(by);
for (std::string &m : moves) { for (std::string &m : moves) {

3
src/ChessArbiter.hpp
View file

@ -33,7 +33,7 @@ class ChessArbiter {
void SetFEN(const FEN &fen); void SetFEN(const FEN &fen);
std::string SAN, SAN_last; std::string SAN, SAN_last;
char capture; char capture;
bool was_enpassant; bool was_enpassant, was_pawn_promotion;
public: public:
ChessArbiter(); ChessArbiter();
@ -69,6 +69,7 @@ public:
bool IsDrawByRepetitions(); bool IsDrawByRepetitions();
bool IsDraw(); bool IsDraw();
bool WasEnPassant(); bool WasEnPassant();
bool WasPawnPromotion();
std::string ParseSAN(const std::string &SANMove); std::string ParseSAN(const std::string &SANMove);
char ParseSANPromotion(const std::string &SANMove); char ParseSANPromotion(const std::string &SANMove);
}; };

3
tests/chessarbiter.cpp
View file

@ -478,16 +478,19 @@ TEST_CASE("Specific bugs found on a game", "[BugFixes]") {
a.Setup("1k3r1r/npqbbp2/4p1p1/p2pPnNp/1P3B1P/P1PB4/5PPQ/RN2R1K1 w - - 1 19"); a.Setup("1k3r1r/npqbbp2/4p1p1/p2pPnNp/1P3B1P/P1PB4/5PPQ/RN2R1K1 w - - 1 19");
a.Play("e1c1"); a.Play("e1c1");
CHECK(a.GetFEN() == "1k3r1r/npqbbp2/4p1p1/p2pPnNp/1P3B1P/P1PB4/5PPQ/RNR3K1 b - - 2 19"); CHECK(a.GetFEN() == "1k3r1r/npqbbp2/4p1p1/p2pPnNp/1P3B1P/P1PB4/5PPQ/RNR3K1 b - - 2 19");
CHECK(!a.WasPawnPromotion());
// BUG 2 (Promotion) // BUG 2 (Promotion)
a.Setup("8/k2P4/2p1ppp1/5qBp/5P1P/8/6PK/8 w - - 0 45"); a.Setup("8/k2P4/2p1ppp1/5qBp/5P1P/8/6PK/8 w - - 0 45");
a.Play("d7d8"); a.Play("d7d8");
CHECK(a.GetFEN() == "3Q4/k7/2p1ppp1/5qBp/5P1P/8/6PK/8 b - - 0 45"); CHECK(a.GetFEN() == "3Q4/k7/2p1ppp1/5qBp/5P1P/8/6PK/8 b - - 0 45");
CHECK(a.WasPawnPromotion());
// BUG 3 (Promotion) // BUG 3 (Promotion)
a.Setup("8/k2P4/2p1ppp1/5qBp/5P1P/8/6PK/8 w - - 0 45"); a.Setup("8/k2P4/2p1ppp1/5qBp/5P1P/8/6PK/8 w - - 0 45");
a.Play("d7d8",'n'); a.Play("d7d8",'n');
CHECK(a.GetFEN() == "3N4/k7/2p1ppp1/5qBp/5P1P/8/6PK/8 b - - 0 45"); CHECK(a.GetFEN() == "3N4/k7/2p1ppp1/5qBp/5P1P/8/6PK/8 b - - 0 45");
CHECK(a.WasPawnPromotion());
// BUG 4 (Promotion) // BUG 4 (Promotion)
char p=a.ParseSANPromotion("d8=Q"); char p=a.ParseSANPromotion("d8=Q");