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Viewing changes to src/piece.h

Committer: Bazaar Package Importer
Author(s): Oliver Korff
Date: 2005-10-07 19:40:10 UTC
Revision ID: james.westby@ubuntu.com-20051007194010-a99a9utegtl89htk

Tags: upstream-2.1

Import upstream version 2.1

files added:

book_small.bin

copying.txt

fruit_21_static

readme.txt

src/Makefile

src/attack.cpp

src/attack.h

src/board.cpp

src/board.h

src/book.cpp

src/book.h

src/colour.h

src/eval.cpp

src/eval.h

src/fen.cpp

src/fen.h

src/hash.cpp

src/hash.h

src/list.cpp

src/list.h

src/main.cpp

src/material.cpp

src/material.h

src/move.cpp

src/move.h

src/move_check.cpp

src/move_check.h

src/move_do.cpp

src/move_do.h

src/move_evasion.cpp

src/move_evasion.h

src/move_gen.cpp

src/move_gen.h

src/move_legal.cpp

src/move_legal.h

src/option.cpp

src/option.h

src/pawn.cpp

src/pawn.h

src/piece.cpp

src/piece.h

src/posix.cpp

src/posix.h

src/protocol.cpp

src/protocol.h

src/pst.cpp

src/pst.h

src/pv.cpp

src/pv.h

src/random.cpp

src/random.h

src/recog.cpp

src/recog.h

src/search.cpp

src/search.h

src/search_full.cpp

src/search_full.h

src/see.cpp

src/see.h

src/sort.cpp

src/sort.h

src/square.cpp

src/square.h

src/trans.cpp

src/trans.h

src/util.cpp

src/util.h

src/value.cpp

src/value.h

src/vector.cpp

src/vector.h

technical_10.txt

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src/piece.h

// piece.h

#ifndef PIECE_H

#define PIECE_H

// includes

#include "colour.h"

#include "util.h"

// constants

const int WhitePawnFlag = 1 << 2;

const int BlackPawnFlag = 1 << 3;

const int KnightFlag = 1 << 4;

const int BishopFlag = 1 << 5;

const int RookFlag = 1 << 6;

const int KingFlag = 1 << 7;

const int PawnFlags = WhitePawnFlag | BlackPawnFlag;

const int QueenFlags = BishopFlag | RookFlag;

const int PieceNone64 = 0;

const int WhitePawn64 = WhitePawnFlag;

const int BlackPawn64 = BlackPawnFlag;

const int Knight64 = KnightFlag;

const int Bishop64 = BishopFlag;

const int Rook64 = RookFlag;

const int Queen64 = QueenFlags;

const int King64 = KingFlag;

const int PieceNone256 = 0;

const int WhitePawn256 = WhitePawn64 | WhiteFlag;

const int BlackPawn256 = BlackPawn64 | BlackFlag;

const int WhiteKnight256 = Knight64 | WhiteFlag;

const int BlackKnight256 = Knight64 | BlackFlag;

const int WhiteBishop256 = Bishop64 | WhiteFlag;

const int BlackBishop256 = Bishop64 | BlackFlag;

const int WhiteRook256 = Rook64 | WhiteFlag;

const int BlackRook256 = Rook64 | BlackFlag;

const int WhiteQueen256 = Queen64 | WhiteFlag;

const int BlackQueen256 = Queen64 | BlackFlag;

const int WhiteKing256 = King64 | WhiteFlag;

const int BlackKing256 = King64 | BlackFlag;

const int PieceNb = 256;

const int WhitePawn12 = 0;

const int BlackPawn12 = 1;

const int WhiteKnight12 = 2;

const int BlackKnight12 = 3;

const int WhiteBishop12 = 4;

const int BlackBishop12 = 5;

const int WhiteRook12 = 6;

const int BlackRook12 = 7;

const int WhiteQueen12 = 8;

const int BlackQueen12 = 9;

const int WhiteKing12 = 10;

const int BlackKing12 = 11;

// macros

#define PAWN_MAKE(colour) (PawnMake[colour])

#define PAWN_OPP(pawn) ((pawn)^(WhitePawn256^BlackPawn256))

#define PIECE_COLOUR(piece) (((piece)&3)-1)

#define PIECE_TYPE(piece) ((piece)&~3)

#define PIECE_IS_PAWN(piece) (((piece)&PawnFlags)!=0)

#define PIECE_IS_KNIGHT(piece) (((piece)&KnightFlag)!=0)

#define PIECE_IS_BISHOP(piece) (((piece)&QueenFlags)==BishopFlag)

#define PIECE_IS_ROOK(piece) (((piece)&QueenFlags)==RookFlag)

#define PIECE_IS_QUEEN(piece) (((piece)&QueenFlags)==QueenFlags)

#define PIECE_IS_KING(piece) (((piece)&KingFlag)!=0)

#define PIECE_IS_SLIDER(piece) (((piece)&QueenFlags)!=0)

#define PIECE_TO_12(piece) (PieceTo12[piece])

#define PIECE_ORDER(piece) (PieceOrder[piece])

#define PAWN_MOVE_INC(colour) (PawnMoveInc[colour])

#define PIECE_INC(piece) (PieceInc[piece])

// types

typedef int inc_t;

// "constants"

extern const int PawnMake[ColourNb];

extern const int PieceFrom12[12];

extern const inc_t PawnMoveInc[ColourNb];

extern const inc_t KnightInc[8+1];

extern const inc_t BishopInc[4+1];

extern const inc_t RookInc[4+1];

extern const inc_t QueenInc[8+1];

extern const inc_t KingInc[8+1];

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// variables

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extern int PieceTo12[PieceNb];

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extern int PieceOrder[PieceNb];

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extern const inc_t * PieceInc[PieceNb];

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// functions

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extern void piece_init ();

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extern bool piece_is_ok (int piece);

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extern int piece_from_12 (int piece_12);

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extern int piece_to_char (int piece);

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extern int piece_from_char (int c);

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#endif // !defined PIECE_H

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// end of piece.h

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