X-Git-Url: https://git.cworth.org/git?p=ttt;a=blobdiff_plain;f=src%2Fttt-board.c;h=f7a425eeb1ed813e8ad56e30cab35ab50af632ac;hp=7627b4d699e3ab5be18267bb21cffb223bcd1f64;hb=122d6b8810d67c601fe260e25ec323bb001698af;hpb=ded32923a25488449be27687013845d7fa0e9e5e;ds=sidebyside diff --git a/src/ttt-board.c b/src/ttt-board.c index 7627b4d..f7a425e 100644 --- a/src/ttt-board.c +++ b/src/ttt-board.c @@ -19,16 +19,17 @@ * Author: Carl Worth */ +#include #include "ttt-board.h" /* Initialize an empty board. */ void ttt_board_init (ttt_board_t *board) { - int i; - for (i = 0; i < TTT_BOARD_MAX_CELLS; i++) + int i; + for (i = 0; i < TTT_BOARD_MAX_CELLS; i++) { - board->cells[i] = 0; + board->cells[i] = TTT_CELL_EMPTY; } } @@ -54,8 +55,15 @@ ttt_board_init_from_string (ttt_board_t *board, char * ttt_board_to_string (ttt_board_t *board) { - /* XXX: NYI */ - return NULL; + char *s; + xasprintf (&s, "\r\n" + "%c|%c|%c\r\n" + "%c|%c|%c\r\n" + "%c|%c|%c", + board->cells[0], board->cells[1], board->cells[2], + board->cells[3], board->cells[4], board->cells[5], + board->cells[6], board->cells[7], board->cells[8]); + return s; } /* Write a string representation of a board to the provided file. @@ -75,3 +83,32 @@ ttt_board_write (ttt_board_t *board, FILE *file) free (s); } +/* Makes a new move in the given board. + * + * The move value is a number from 0 to 9 giving the position to be + * moved as follows: + * + * 0|1|2 + * 3|4|5 + * 6|7|8 + * + * Returns: 1 if a move is made succesfully. O if a move is invalid + * (the given cell is not empty). + * + * Bugs: Currently this function always places X for all moves. So, + * yeah, we'll need to fix that. + */ + + +ttt_error_t ttt_board_make_move (ttt_board_t *board, int move) +{ + if (board->cells[move] == '_') + { + board->cells[move] = 'X'; + return(TTT_ERROR_NONE); + } + else + { + return(TTT_ERROR_NOT_VALID_MOVE); + } +}