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// piece.h
#ifndef PIECE_H
#define PIECE_H
// includes
#include "colour.h"
#include "util.h"
// defines
#define BlackPawnFlag (1 << 2)
#define WhitePawnFlag (1 << 3)
#define KnightFlag (1 << 4)
#define BishopFlag (1 << 5)
#define RookFlag (1 << 6)
#define KingFlag (1 << 7)
#define PawnFlags (BlackPawnFlag | WhitePawnFlag)
#define QueenFlags (BishopFlag | RookFlag)
#define PieceNone64 (0)
#define BlackPawn64 (BlackPawnFlag)
#define WhitePawn64 (WhitePawnFlag)
#define Knight64 (KnightFlag)
#define Bishop64 (BishopFlag)
#define Rook64 (RookFlag)
#define Queen64 (QueenFlags)
#define King64 (KingFlag)
#define PieceNone256 (0)
#define BlackPawn256 (BlackPawn64 | Black)
#define WhitePawn256 (WhitePawn64 | White)
#define BlackKnight256 (Knight64 | Black)
#define WhiteKnight256 (Knight64 | White)
#define BlackBishop256 (Bishop64 | Black)
#define WhiteBishop256 (Bishop64 | White)
#define BlackRook256 (Rook64 | Black)
#define WhiteRook256 (Rook64 | White)
#define BlackQueen256 (Queen64 | Black)
#define WhiteQueen256 (Queen64 | White)
#define BlackKing256 (King64 | Black)
#define WhiteKing256 (King64 | White)
#define BlackPawn12 (0)
#define WhitePawn12 (1)
#define BlackKnight12 (2)
#define WhiteKnight12 (3)
#define BlackBishop12 (4)
#define WhiteBishop12 (5)
#define BlackRook12 (6)
#define WhiteRook12 (7)
#define BlackQueen12 (8)
#define WhiteQueen12 (9)
#define BlackKing12 (10)
#define WhiteKing12 (11)
// functions
extern void piece_init ();
extern bool piece_is_ok (int piece);
extern int piece_make_pawn (int colour);
extern int piece_pawn_opp (int piece);
extern int piece_colour (int piece);
extern int piece_type (int piece);
extern bool piece_is_pawn (int piece);
extern bool piece_is_knight (int piece);
extern bool piece_is_bishop (int piece);
extern bool piece_is_rook (int piece);
extern bool piece_is_queen (int piece);
extern bool piece_is_king (int piece);
extern bool piece_is_slider (int piece);
extern int piece_to_12 (int piece);
extern int piece_from_12 (int piece);
extern int piece_to_char (int piece);
extern int piece_from_char (int c);
extern bool char_is_piece (int c);
#endif // !defined PIECE_H
// end of piece.h
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