void advance_time(struct station *kipling, struct train **first)
{
// Simulates one minute of the Bloor-Danforth line
// PRE: *kipling, *first, **first all are not null, there is more than one train on the track
// POST: the stations and trains will be altered: trains will advance, stations' passengers will increase/decrease
assert(kipling);
assert(first);
assert(*first);
assert((*first)->next);
// increment passenger waiting times
passengers_wait(kipling);
// add trains if appropriate
add_trains(first);
// passengers arrive
enter_passengers(kipling);
// load the trains
load_trains(kipling, first);
// first advance any trains that can move; delete any that advance into position 83
advance_trains(kipling, first);
}
void on_btnupdate_clicked(GtkButton *button) {
//down em all
GSList *lurl = NULL;
GSList *ldest = NULL;
for(gint i=0;i<num_of_lines;++i) {
gchar trainfolder[512];
g_snprintf(trainfolder,512,"%s/%s",getProgData("trains"),lines[i].line);
g_mkdir_with_parents(trainfolder,0755);
for(gint j=0;j<lines[i].num;++j) {
gchar url[200];
gchar dest[512];
g_snprintf(dest,512,"%s/%s.pdf",trainfolder,lines[i].stations[j].name);
g_snprintf(url,200,"http://transitchicago.com/maps/rail/%s/%s.pdf\n",lines[i].line,lines[i].stations[j].name);
lurl = g_slist_prepend(lurl,url);
ldest = g_slist_prepend(ldest,dest);
}
}
if(!downFile(lurl,ldest)) goto died;
load_trains();
return;
died:
//TODO: delete train info already dled
return;
}
