/// Display a random backdrop from files in dirname starting with basename.
/// dirname must have a trailing slash.
void screen_SetRandomBackdrop(const char *dirname, const char *basename)
{
std::vector<std::string> names; // vector to hold the strings we want
char **rc = PHYSFS_enumerateFiles(dirname); // all the files in dirname
// Walk thru the files in our dir, adding the ones that start with basename to our vector of strings
size_t len = strlen(basename);
for (char **i = rc; *i != NULL; i++)
{
// does our filename start with basename?
if (!strncmp(*i, basename, len))
{
names.push_back(*i);
}
}
PHYSFS_freeList(rc);
// pick a random name from our vector of names
int ran = rand() % names.size();
std::string full_path = std::string(dirname) + names[ran];
screen_SetBackDropFromFile(full_path.c_str());
}
void pie_LoadBackDrop(SCREENTYPE screenType)
{
char backd[128];
//randomly load in a backdrop piccy.
srand( (unsigned)time(NULL) + 17 ); // Use offset since time alone doesn't work very well
switch (screenType)
{
case SCREEN_RANDOMBDROP:
snprintf(backd, sizeof(backd), "texpages/bdrops/backdrop%i.png", rand() % NUM_BACKDROPS); // Range: 0 to (NUM_BACKDROPS-1)
break;
case SCREEN_MISSIONEND:
sstrcpy(backd, "texpages/bdrops/missionend.png");
break;
case SCREEN_CREDITS:
default:
sstrcpy(backd, "texpages/bdrops/credits.png");
break;
}
screen_SetBackDropFromFile(backd);
}
