1 2 // square.h 3 4 #ifndef SQUARE_H 5 #define SQUARE_H 6 7 // includes 8 9 #include "util.h" 10 11 // constants 12 13 const int SquareNb = 16 * 12; 14 15 const int FileA = 0; 16 const int FileB = 1; 17 const int FileC = 2; 18 const int FileD = 3; 19 const int FileE = 4; 20 const int FileF = 5; 21 const int FileG = 6; 22 const int FileH = 7; 23 24 const int Rank1 = 0; 25 const int Rank2 = 1; 26 const int Rank3 = 2; 27 const int Rank4 = 3; 28 const int Rank5 = 4; 29 const int Rank6 = 5; 30 const int Rank7 = 6; 31 const int Rank8 = 7; 32 33 const int SquareNone = 0; 34 35 const int A1=0x24, B1=0x25, C1=0x26, D1=0x27, E1=0x28, F1=0x29, G1=0x2A, H1=0x2B; 36 const int A2=0x34, B2=0x35, C2=0x36, D2=0x37, E2=0x38, F2=0x39, G2=0x3A, H2=0x3B; 37 const int A3=0x44, B3=0x45, C3=0x46, D3=0x47, E3=0x48, F3=0x49, G3=0x4A, H3=0x4B; 38 const int A4=0x54, B4=0x55, C4=0x56, D4=0x57, E4=0x58, F4=0x59, G4=0x5A, H4=0x5B; 39 const int A5=0x64, B5=0x65, C5=0x66, D5=0x67, E5=0x68, F5=0x69, G5=0x6A, H5=0x6B; 40 const int A6=0x74, B6=0x75, C6=0x76, D6=0x77, E6=0x78, F6=0x79, G6=0x7A, H6=0x7B; 41 const int A7=0x84, B7=0x85, C7=0x86, D7=0x87, E7=0x88, F7=0x89, G7=0x8A, H7=0x8B; 42 const int A8=0x94, B8=0x95, C8=0x96, D8=0x97, E8=0x98, F8=0x99, G8=0x9A, H8=0x9B; 43 44 const int Dark = 0; 45 const int Light = 1; 46 47 // functions 48 49 extern void square_init (); 50 51 extern bool square_is_ok (int square); 52 53 extern int square_make (int file, int rank); 54 55 extern int square_file (int square); 56 extern int square_rank (int square); 57 extern int square_side_rank (int square, int colour); 58 59 extern int square_from_64 (int square); 60 extern int square_to_64 (int square); 61 62 extern bool square_is_promote (int square); 63 extern int square_ep_dual (int square); 64 65 extern int square_colour (int square); 66 67 extern bool char_is_file (int c); 68 extern bool char_is_rank (int c); 69 70 extern int file_from_char (int c); 71 extern int rank_from_char (int c); 72 73 extern int file_to_char (int file); 74 extern int rank_to_char (int rank); 75 76 extern bool square_to_string (int square, char string[], int size); 77 extern int square_from_string (const char string[]); 78 79 #endif // !defined SQUARE_H 80 81 // end of square.h 82 83