int new_game(game_t *game, int width, int height, gen_params_t *params, long sim_speed)
{
assert(game != NULL);
assert(width > 0);
assert(height > 0);
assert(params != NULL);
memset(game, 0, sizeof(*game));
if (!alloc_board(&game->board[0], width, height))
goto err_board1;
if (!alloc_board(&game->board[1], width, height))
goto err_board2;
generate(&game->board[0], params);
game->current = &game->board[0];
game->old = &game->board[1];
game->sim_speed = sim_speed;
game->sim_timer = sim_speed;
game->player_count = 0;
memcpy(&game->gen_params, params, sizeof(gen_params_t));
return 1;
err_board2:
free_board(&game->board[0]);
err_board1:
return 0;
}
int main() {
int **board;
int m, n, sx, sy;
scanf("%d%d%d%d", &m, &n, &sx, &sy);
if (m >= 20 || n >= 20 || sx > m || sy > n) {
printf(NO);
exit(1);
}
board = alloc_board(m, n);
board[sx - 1][sy - 1] = 1;
printf(move(board, m, n, sx - 1, sy - 1, 0) ? YES : NO);
free_board(board, m);
return 0;
}
/*
* Returns NULL if failing to allocate.
*
* If successful, then game->playerc is set to HT_PLAYERS_MAX. The
* players are allocated and initialized according to player_init.
*
* You must still initialize the rest of the game after calling this
* function (the players are only initialized because their player
* indices correspond to the array in struct game, and then we may as
* well fully initialize them).
*
* These variables are fully allocated, but not initialized:
*
* * game->rules
*
* * game->b
*/
struct game *
alloc_game (
const unsigned short bwidth,
const unsigned short bheight
)
{
unsigned short i;
const unsigned short blen = (unsigned short)(bwidth * bheight);
struct game * const g = malloc(sizeof(* g));
if (NULL == g)
{
return NULL;
}
g->rules = alloc_ruleset(bwidth, bheight);
if (NULL == g->rules)
{
free (g);
return NULL;
}
/*
* This is set later and uses ruleset information.
*/
g->b = alloc_board(blen);
if (NULL == g->b)
{
free_ruleset (g->rules);
free (g);
return NULL;
}
g->movehist = alloc_listmh(HT_LISTMH_CAP_DEF);
if (NULL == g->movehist)
{
free_board (g->b);
free_ruleset (g->rules);
free (g);
return NULL;
}
g->playerc = HT_PLAYERS_MAX;
g->players = malloc(sizeof(* g->players) * (size_t)g->playerc);
if (NULL == g->players)
{
free_listmh (g->movehist);
free_board (g->b);
free_ruleset (g->rules);
free (g);
return NULL;
}
for (i = (unsigned short)0; i < g->playerc; i++)
{
g->players[i] = alloc_player();
if (NULL == g->players[i]
|| !player_init(g->players[i], i))
{
unsigned short j;
for (j = (unsigned short)0; j <= i
/* Check added for GCC's loop optimizations: */
&& j <= HT_PLAYERS_MAX
; j++)
{
if (NULL != g->players[j])
{
free_player(g->players[j]);
}
}
free (g->players);
free_listmh (g->movehist);
free_board (g->b);
free_ruleset (g->rules);
free (g);
return NULL;
}
}
return g;
}