/* Read the puzzle file corresponding to series, and the corresponding
* solutions in the answer file, until at least level maps have been
* successfully parsed, or the end is reached. The files are opened if
* they have not been already. No files are opened if the requested
* level has already been loaded into memory.
*/
int readlevelinseries(gameseries *series, int level)
{
int n;
if (level < 0)
return FALSE;
if (series->count > level)
return TRUE;
if (!series->allmapsread) {
if (!series->mapfp) {
currentfilename = series->filename;
series->mapfp = openfileindir(datadir, series->filename, "r");
if (!series->mapfp)
return fileerr(NULL);
if (!readseriesheader(series))
return fileerr("file contains no maps");
if (*savedir) {
series->answerfp = openfileindir(savedir,
series->filename, "r");
if (series->answerfp) {
savedirchecked = TRUE;
series->answersreadonly = TRUE;
}
} else
series->answerfp = NULL;
}
while (!series->allmapsread && series->count <= level) {
while (series->count >= series->allocated) {
n = series->allocated ? series->allocated * 2 : 16;
if (!(series->games = realloc(series->games,
n * sizeof *series->games)))
memerrexit();
memset(series->games + series->allocated, 0,
(n - series->allocated) * sizeof *series->games);
series->allocated = n;
}
if (readlevelmap(series->mapfp, series->games + series->count)) {
series->games[series->count].seriesname = series->name;
if (!series->allanswersread)
readanswers(series->answerfp,
series->games + series->count);
++series->count;
}
if (feof(series->mapfp)) {
fclose(series->mapfp);
series->mapfp = NULL;
series->allmapsread = TRUE;
}
if (series->answerfp && feof(series->answerfp))
series->allanswersread = TRUE;
}
}
return series->count > level;
}
/* Read the list of unsolvable levels from the given filename. If the
* filename does not contain a path, then the function looks for the
* file in the resource directory and the user's save directory.
*/
int loadunslistfromfile(char const *filename)
{
fileinfo file;
memset(&file, 0, sizeof file);
if (openfileindir(&file, resdir, filename, "r", NULL)) {
readunslist(&file);
fileclose(&file, NULL);
}
if (!haspathname(filename)) {
memset(&file, 0, sizeof file);
if (openfileindir(&file, savedir, filename, "r", NULL)) {
readunslist(&file);
fileclose(&file, NULL);
}
}
return TRUE;
}
