/**
* @brief Checks to see if there's a savegame available.
*
* @return 1 if a savegame is available, 0 otherwise.
*/
int save_hasSave (void)
{
char **files;
int nfiles, i, len;
int has_save;
/* Look for saved games. */
files = nfile_readDir( &nfiles, "%ssaves", nfile_dataPath() );
has_save = 0;
for (i=0; i<nfiles; i++) {
len = strlen(files[i]);
/* no save extension */
if ((len >= 5) && (strcmp(&files[i][len-3],".ns")==0)) {
has_save = 1;
break;
}
}
/* Clean up. */
for (i=0; i<nfiles; i++)
free(files[i]);
free(files);
return has_save;
}
/**
* @brief Opens the load game menu.
*/
void load_game_menu (void)
{
unsigned int wid;
char **files;
int nfiles, i, len;
/* window */
wid = window_create( "Load Game", -1, -1, LOAD_WIDTH, LOAD_HEIGHT );
window_setCancel( wid, load_menu_close );
/* load the saves */
files = nfile_readDir( &nfiles, "%ssaves", nfile_basePath() );
for (i=0; i<nfiles; i++) {
len = strlen(files[i]);
/* no save extension */
if ((len < 5) || strcmp(&files[i][len-3],".ns")) {
free(files[i]);
memmove( &files[i], &files[i+1], sizeof(char*) * (nfiles-i-1) );
nfiles--;
i--;
}
else /* remove the extension */
files[i][len-3] = '\0';
}
/* case there are no files */
if (files == NULL) {
files = malloc(sizeof(char*));
files[0] = strdup("None");
nfiles = 1;
}
window_addList( wid, 20, -50,
LOAD_WIDTH-BUTTON_WIDTH-50, LOAD_HEIGHT-110,
"lstSaves", files, nfiles, 0, NULL );
/* buttons */
window_addButton( wid, -20, 20, BUTTON_WIDTH, BUTTON_HEIGHT,
"btnBack", "Back", load_menu_close );
window_addButton( wid, -20, 30 + BUTTON_HEIGHT, BUTTON_WIDTH, BUTTON_HEIGHT,
"btnLoad", "Load", load_menu_load );
window_addButton( wid, 20, 20, BUTTON_WIDTH, BUTTON_HEIGHT,
"btnDelete", "Del", load_menu_delete );
/* default action */
window_setAccept( wid, load_menu_load );
}
/**
* @brief Loads or refreshes saved games.
*/
int load_refresh (void)
{
char **files, buf[PATH_MAX], *tmp;
int nfiles, i, len;
int ok;
nsave_t *ns;
if (load_saves != NULL)
load_free();
load_saves = array_create( nsave_t );
/* load the saves */
files = nfile_readDir( &nfiles, "%ssaves", nfile_dataPath() );
for (i=0; i<nfiles; i++) {
len = strlen(files[i]);
/* no save or backup save extension */
if (((len < 5) || strcmp(&files[i][len-3],".ns")) &&
((len < 12) || strcmp(&files[i][len-10],".ns.backup"))) {
free(files[i]);
memmove( &files[i], &files[i+1], sizeof(char*) * (nfiles-i-1) );
nfiles--;
i--;
}
}
/* Make sure files are none. */
if (files == NULL)
return 0;
/* Make sure backups are after saves. */
for (i=0; i<nfiles-1; i++) {
len = strlen( files[i] );
/* Only interested in swapping backup with file after it if it's not backup. */
if ((len < 12) || strcmp( &files[i][len-10],".ns.backup" ))
continue;
/* Don't match. */
if (strncmp( files[i], files[i+1], (len-10) ))
continue;
/* Swap around. */
tmp = files[i];
files[i] = files[i+1];
files[i+1] = tmp;
}
/* Allocate and parse. */
ok = 0;
ns = NULL;
for (i=0; i<nfiles; i++) {
if (!ok)
ns = &array_grow( &load_saves );
nsnprintf( buf, sizeof(buf), "%ssaves/%s", nfile_dataPath(), files[i] );
ok = load_load( ns, buf );
}
/* If the save was invalid, array is 1 member too large. */
if (ok)
array_resize( &load_saves, array_size(load_saves)-1 );
/* Clean up memory. */
for (i=0; i<nfiles; i++)
free(files[i]);
free(files);
return 0;
}
