X-Git-Url: https://git.cworth.org/git?p=ttt;a=blobdiff_plain;f=src%2Fttt-board.c;h=92391ebd2d7db4243ed14f76ff7253fa2c9a963f;hp=dd068b5850285110f84e5436f2fa99c960b2910d;hb=9a3347e8aa9db1618fc0df92103e84d34413ba11;hpb=b95a33abda8faac3638691dde70de0d59fadb30f diff --git a/src/ttt-board.c b/src/ttt-board.c index dd068b5..92391eb 100644 --- a/src/ttt-board.c +++ b/src/ttt-board.c @@ -19,7 +19,9 @@ * Author: Carl Worth */ +#include #include "ttt-board.h" +#include "ttt-error.h" /* Initialize an empty board. */ void @@ -30,6 +32,7 @@ ttt_board_init (ttt_board_t *board) { board->cells[i] = TTT_CELL_EMPTY; } + board->current_player = TTT_CELL_X; } /* Initialize a board from its string representation. @@ -82,3 +85,40 @@ 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] != '_') + return TTT_ERROR_NOT_VALID_MOVE; + + board->cells[move] = board->current_player; + + if (board->current_player == TTT_CELL_X) + board->current_player = TTT_CELL_O; + else + board->current_player = TTT_CELL_X; + + return TTT_ERROR_NONE; +} + + + + + +