* Author: Carl Worth <cworth@cworth.org>
*/
+#include <stdio.h>
#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;
}
}
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.
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);
+ }
+}