static void
ccmd_restore_game(json_t * params)
{
int gid, fd, status;
char filename[1024], basename[1024];
if (json_unpack(params, "{si*}", "gameid", &gid) == -1)
exit_client("Bad set of parameters for restore_game");
if (!db_get_game_filename(user_info.uid, gid, basename, 1024)) {
client_msg("restore_game", json_pack("{si}", "return", ERR_BAD_FILE));
return;
}
snprintf(filename, 1024, "%s/save/%s/%s", settings.workdir,
user_info.username, basename);
fd = open(filename, O_RDWR);
if (fd == -1) {
client_msg("restore_game", json_pack("{si}", "return", ERR_BAD_FILE));
return;
}
/* reset cached display data from a previous game */
reset_cached_diplaydata();
status = nh_restore_game(fd, NULL, FALSE);
if (status == ERR_REPLAY_FAILED) {
log_msg("Failed to restore saved game %d, file %s", gid, filename);
if (srv_yn_function
("Restoring the game failed. Would you like to remove it from the list?",
"yn", 'n') == 'y') {
db_delete_game(user_info.uid, gid);
log_msg("%s has chosen to remove game %d from the database",
user_info.username, gid);
}
}
client_msg("restore_game", json_pack("{si}", "return", status));
if (status == GAME_RESTORED) {
gameid = gid;
gamefd = fd;
db_update_game(gameid, player_info.moves, player_info.z,
player_info.level_desc);
log_msg("%s has restored game %d", user_info.username, gameid);
}
}
nh_bool loadgame(void)
{
char buf[BUFSZ];
fnchar savedir[BUFSZ], filename[1024], **files;
struct nh_menuitem *items;
int size, icount, fd, i, n, ret, pick[1];
enum nh_log_status status;
struct nh_game_info gi;
if (!get_gamedir(SAVE_DIR, savedir)) {
curses_raw_print("Could not find or create the save directory.");
return FALSE;
}
files = list_gamefiles(savedir, &size);
if (!size) {
curses_msgwin("No saved games found.");
return FALSE;
}
icount = 0;
items = malloc(size * sizeof(struct nh_menuitem));
for (i = 0; i < size; i++) {
fd = sys_open(files[i], O_RDWR, FILE_OPEN_MASK);
status = nh_get_savegame_status(fd, &gi);
close(fd);
describe_game(buf, status, &gi);
add_menu_item(items, size, icount, (status == LS_IN_PROGRESS) ? 0 : icount + 1,
buf, 0, FALSE);
}
n = curses_display_menu(items, icount, "saved games", PICK_ONE, pick);
free(items);
filename[0] = '\0';
if (n > 0)
fnncat(filename, files[pick[0]-1], sizeof(filename)/sizeof(fnchar)-1);
for (i = 0; i < icount; i++)
free(files[i]);
free(files);
if (n <= 0)
return FALSE;
fd = sys_open(filename, O_RDWR, FILE_OPEN_MASK);
create_game_windows();
if (nh_restore_game(fd, NULL, FALSE) != GAME_RESTORED) {
destroy_game_windows();
close(fd);
if (curses_yn_function("Failed to load the save. Do you wish to delete the file?", "yn", 'n') == 'y')
unlink(filename);
return FALSE;
}
load_keymap(); /* need to load the keymap after the game has been started */
ret = commandloop();
free_keymap();
close(fd);
destroy_game_windows();
cleanup_messages();
game_ended(ret, filename);
return TRUE;
}
enum nh_restore_status nh_restore_game(int fd, struct nh_window_procs *rwinprocs,
boolean force_replay)
{
int playmode, irole, irace, igend, ialign;
char namebuf[PL_NSIZ];
/* some compilers can't cope with the fact that all subsequent stores to error
* are not dead, but become important if the error handler longjumps back
* volatile is required to prevent invalid optimization based on that wrong
* assumption. */
volatile enum nh_restore_status error = GAME_RESTORED;
if (fd == -1)
return ERR_BAD_ARGS;
switch (nh_get_savegame_status(fd, NULL)) {
case LS_INVALID: return ERR_BAD_FILE;
case LS_DONE: return ERR_GAME_OVER;
case LS_CRASHED: force_replay = TRUE; break;
case LS_IN_PROGRESS: return ERR_IN_PROGRESS;
case LS_SAVED: break; /* default, everything is A-OK */
}
if (!api_entry_checkpoint())
goto error_out;
error = ERR_BAD_FILE;
replay_set_logfile(fd); /* store the fd and try to get a lock or exit */
replay_begin();
program_state.restoring = TRUE;
iflags.disable_log = TRUE; /* don't log any of the commands, they're already in the log */
/* Read the log header for this game. */
replay_read_newgame(&turntime, &playmode, namebuf,
&irole, &irace, &igend, &ialign);
/* set special windowprocs which will autofill requests for user input
* with data from the log file */
replay_setup_windowprocs(rwinprocs);
startup_common(namebuf, playmode);
u.initrole = irole;
u.initrace = irace;
u.initgend = igend;
u.initalign = ialign;
if (!force_replay) {
error = ERR_RESTORE_FAILED;
replay_run_cmdloop(TRUE, FALSE, TRUE);
replay_jump_to_endpos();
if (!dorecover_fd(fd)) {
replay_undo_jump_to_endpos();
goto error_out2;
}
replay_undo_jump_to_endpos();
wd_message();
program_state.game_running = 1;
post_init_tasks();
} else {
replay_run_cmdloop(TRUE, TRUE, FALSE); /* option setup only */
newgame();
/* try replaying instead */
error = ERR_REPLAY_FAILED;
replay_run_cmdloop(FALSE, FALSE, TRUE);
replay_sync_save();
}
/* restore standard window procs */
replay_restore_windowprocs();
program_state.restoring = FALSE;
iflags.disable_log = FALSE;
/* clean up data used for replay */
replay_end();
log_truncate();
log_init(); /* must be called before we start writing to the log */
/* info might not have reached the ui while alternate window procs were set */
doredraw();
/* nh_start_game() does this via newgame(), but since this function doesn't
* call newgame(), we have to do it here instead. */
notify_levelchange(NULL);
bot();
flush_screen();
was_on_elbereth = !sengr_at("Elbereth", u.ux, u.uy); /* force botl update later */
welcome(FALSE);
realtime_messages(TRUE, TRUE);
update_inventory();
api_exit();
return GAME_RESTORED;
error_out2:
api_exit();
error_out:
replay_restore_windowprocs();
program_state.restoring = FALSE;
iflags.disable_log = FALSE;
replay_end();
unlock_fd(fd);
if (error == ERR_RESTORE_FAILED) {
raw_printf("Restore failed. Attempting to replay instead.\n");
error = nh_restore_game(fd, rwinprocs, TRUE);
}
return error;
}
