void draw_creatures(struct creature* critters){
struct creature * cr = critters;
while(NULL != cr){
draw_creature(cr);
cr = cr->next;
}
}
static int main_game_loop(struct env *board,
struct creature *pac,
struct creature *ghost,
int cnt)
{
unsigned long time_to_sleep;
enum dir_t direction;
int i, won = 0;
draw_board(board);
box_print(0, 0, "Welcome. Hit any key to start :)");
update_view();
blocking_input();
do {
/* set up and place the players (ghosts etc) */
if (!init_players(board, pac, ghost, cnt))
return 0;
/* blank out screen, ready for action */
reset_view();
draw_board(board);
time_to_sleep = INITIAL_DELAY;
for (;;) {
/* check for user input */
direction = get_user_input();
if (direction == QUIT) break;
move_pac(board, pac, direction);
draw_creature(board, pac);
erase_tail(board, pac);
/* Move and draw N ghosts. */
for (i=0; i<cnt; i++) {
ghost_move(board, &(ghost[i]), i);
draw_creature(board, &(ghost[i]));
erase_tail(board, &(ghost[i]));
}
/* Up the score if we got any cherries,
* then print the new (or old) score. */
pick_up_cherries(board, pac);
print_stat(board);
/* update the whole screen */
update_view();
/* Check if there's any more cherries to
* pick, otherwise the game is won. */
won = game_won(board);
if (won) break;
if (pac_caught(pac, ghost, cnt)) {
down_lives(board);
break;
}
/*
* Sleep for a short while. This function is not
* ANSI/ISO-C.
*/
usleep(time_to_sleep);
if (time_to_sleep > MIN_DELAY)
time_to_sleep -= DEC_DELAY;
}
} while (direction != QUIT && !won && lives_left(board) > 0 && play_again());
finish(won, lives_left(board));
return 1;
}
