/* File: MBCBoard.h Contains: Fundamental move and board classes. Copyright: © 2002-2012 by Apple Inc., all rights reserved. IMPORTANT: This Apple software is supplied to you by Apple Computer, Inc. ("Apple") in consideration of your agreement to the following terms, and your use, installation, modification or redistribution of this Apple software constitutes acceptance of these terms. If you do not agree with these terms, please do not use, install, modify or redistribute this Apple software. 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IN NO EVENT SHALL APPLE BE LIABLE FOR ANY SPECIAL, INDIRECT, INCIDENTAL OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) ARISING IN ANY WAY OUT OF THE USE, REPRODUCTION, MODIFICATION AND/OR DISTRIBUTION OF THE APPLE SOFTWARE, HOWEVER CAUSED AND WHETHER UNDER THEORY OF CONTRACT, TORT (INCLUDING NEGLIGENCE), STRICT LIABILITY OR OTHERWISE, EVEN IF APPLE HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #import #import #import enum MBCVariant { kVarNormal, kVarCrazyhouse, kVarSuicide, kVarLosers }; extern NSString * gVariantName[]; extern const char gVariantChar[]; enum MBCPlayers { kHumanVsHuman, kHumanVsComputer, kComputerVsHuman, kComputerVsComputer, kHumanVsGameCenter, }; enum MBCSideCode { kPlayWhite, kPlayBlack, kPlayEither }; enum MBCUniqueCode { kMatchingPieceExists = 1, kMatchingPieceOnSameRow = 2, kMatchingPieceOnSameCol = 4, }; typedef int MBCUnique; enum MBCPieceCode { EMPTY = 0, KING, QUEEN, BISHOP, KNIGHT, ROOK, PAWN, kWhitePiece = 0, kBlackPiece = 8, kPromoted = 16, kPieceMoved = 32 }; typedef unsigned char MBCPiece; inline MBCPiece White(MBCPieceCode code) { return kWhitePiece | code; } inline MBCPiece Black(MBCPieceCode code) { return kBlackPiece | code; } inline MBCPieceCode Piece(MBCPiece piece){ return (MBCPieceCode)(piece&7); } inline MBCPieceCode Color(MBCPiece piece){ return (MBCPieceCode)(piece&8); } inline MBCPieceCode What(MBCPiece piece) { return (MBCPieceCode)(piece&15);} inline MBCPiece Matching(MBCPiece piece, MBCPieceCode code) { return (piece & 8) | code; } inline MBCPiece Opposite(MBCPiece piece) { return piece ^ 8; } inline MBCPieceCode Promoted(MBCPiece piece) { return (MBCPieceCode)(piece & 16); } inline MBCPieceCode PieceMoved(MBCPiece piece) { return (MBCPieceCode)(piece & 32); } enum MBCMoveCode { kCmdNull, kCmdMove, kCmdDrop, kCmdUndo, kCmdWhiteWins, kCmdBlackWins, kCmdDraw, kCmdPong, kCmdStartGame, kCmdPMove, kCmdPDrop, kCmdMoveOK }; typedef unsigned char MBCSquare; enum { kSyntheticSquare = 0x70, kWhitePromoSquare = 0x71, kBlackPromoSquare = 0x72, kBorderRegion = 0x73, kInHandSquare = 0x80, kInvalidSquare = 0xFF }; inline unsigned Row(MBCSquare square) { return 1+(square>>3); } inline char Col(MBCSquare square) { return 'a'+(square&7); } inline MBCSquare Square(char col, unsigned row) { return ((row-1)<<3)|(col-'a'); } inline MBCSquare Square(const char * colrow) { return ((colrow[1]-'1')<<3)|(colrow[0]-'a'); } enum MBCCastling { kUnknownCastle, kCastleQueenside, kCastleKingside, kNoCastle }; enum MBCSide { kWhiteSide, kBlackSide, kBothSides, kNeitherSide }; inline bool SideIncludesWhite(MBCSide side) { return side==kWhiteSide || side==kBothSides; } inline bool SideIncludesBlack(MBCSide side) { return side==kBlackSide || side==kBothSides; } extern const MBCSide gHumanSide[]; extern const MBCSide gEngineSide[]; // // A compact move has a very short existence and is only used in places // where the information absolutely has to be kept to 32 bits. // typedef unsigned MBCCompactMove; // // MBCMove - A move // @interface MBCMove : NSObject { @public MBCMoveCode fCommand; // Command MBCSquare fFromSquare; // Starting square of piece if move MBCSquare fToSquare; // Finishing square if move or drop MBCPiece fPiece; // Moved or dropped piece MBCPiece fPromotion; // Pawn promotion piece MBCPiece fVictim; // Captured piece, set by [board makeMove] MBCCastling fCastling; // Castling move, set by [board makeMove] BOOL fEnPassant; // En passant, set by [board makeMove] BOOL fCheck; // Check, set by [board makeMove] BOOL fCheckMate; // Checkmate, set asynchronously BOOL fAnimate; // Animate on board } - (id) initWithCommand:(MBCMoveCode)command; + (id) newWithCommand:(MBCMoveCode)command; + (id) moveWithCommand:(MBCMoveCode)command; - (id) initFromCompactMove:(MBCCompactMove)move; + (id) newFromCompactMove:(MBCCompactMove)move; + (id) moveFromCompactMove:(MBCCompactMove)move; - (id) initFromEngineMove:(NSString *)engineMove; + (id) newFromEngineMove:(NSString *)engineMove; + (id) moveFromEngineMove:(NSString *)engineMove; + (BOOL) compactMoveIsWin:(MBCCompactMove)move; - (NSString *) localizedText; - (NSString *) engineMove; - (NSString *) origin; - (NSString *) operation; - (NSString *) destination; - (NSString *) check; @end // // MBCPieces - The full position representation // struct MBCPieces { MBCPiece fBoard[64]; char fInHand[16]; MBCSquare fEnPassant; // Current en passant square, if any bool NoPieces(MBCPieceCode color); }; // // MBCBoard - The game board // @interface MBCBoard : NSObject { MBCPieces fCurPos; MBCPieces fPrvPos; int fMoveClock; MBCVariant fVariant; NSMutableArray * fMoves; MBCPiece fPromotion[2]; NSMutableArray * fObservers; id fDocument; } - (void) removeChessObservers; - (void) setDocument:(id)doc; - (void) startGame:(MBCVariant)variant; - (MBCPiece) curContents:(MBCSquare)square; // Read contents of a square - (MBCPiece) oldContents:(MBCSquare)square; // Read contents of a square - (int) curInHand:(MBCPiece)piece; // # of pieces to drop - (int) oldInHand:(MBCPiece)piece; // # of pieces to drop - (void) makeMove:(MBCMove *)move; // Move pieces and record - (MBCCastling) tryCastling:(MBCMove *)move; - (void) tryPromotion:(MBCMove *)move; - (MBCSide) sideOfMove:(MBCMove *)move; - (MBCUnique) disambiguateMove:(MBCMove *)move; - (bool) undoMoves:(int)numMoves; - (void) commitMove; // Save position - (NSString *) fen; // Position in FEN notation - (NSString *) holding; // Pieces held - (NSString *) moves; // Moves in engine format - (void) setFen:(NSString *)fen holding:(NSString *)holding moves:(NSString *)moves; - (BOOL) saveMovesTo:(FILE *)f; - (BOOL) canPromote:(MBCSide)side; - (BOOL) canUndo; - (MBCMove *) lastMove; - (int) numMoves; - (MBCMove *) move:(int)index; - (MBCPieces *) curPos; - (MBCPiece) defaultPromotion:(BOOL)white; - (void) setDefaultPromotion:(MBCPiece)piece for:(BOOL)white; - (MBCMoveCode)outcome; - (NSString *) stringFromMove:(MBCMove *)move withLocalization:(NSDictionary *)localization; - (NSString *) extStringFromMove:(MBCMove *)move withLocalization:(NSDictionary *)localization; @end NSString * LocalizedString(NSDictionary * localization, NSString * key, NSString * fallback); #define LOC(key, fallback) LocalizedString(localization, key, fallback) // Local Variables: // mode:ObjC // End: