git.sesse.net Git - ccbs/blob - bigscreen/ccbs_bigscreen.cpp

   1 #include <cstdio>
   2 #include <cstring>
   3 #include <iconv.h>
   4 #include <unistd.h>
   5 #include <pqxx/pqxx>
   6 #include <tinyptc.h>
   7 #include "flagtrigger.h"
   8 #include "widestring.h"
   9 #include "fetch_current_tournament.h"
  10 #include "fetch_list_of_active_groups.h"
  11 #include "fetch_group.h"
  12 #include "fonts.h"
  13 #include "groupscreen.h"
  14
  15 Tournament active_tournament;
  16 std::vector<SkeletonGroup> active_groups;
  17 std::vector<GenericScreen *> screens;
  18 unsigned char framebuf[800 * 600 * 4], screenbuf[800 * 600 * 4];
  19
  20 void init(pqxx::connection &conn)
  21 {
  22         for (std::vector<GenericScreen *>::const_iterator i = screens.begin(); i != screens.end(); ++i) {
  23                 delete *i;
  24         }
  25         screens.erase(screens.begin(), screens.end());
  26
  27         conn.perform(FetchCurrentTournament(&active_tournament));
  28         conn.perform(FetchListOfActiveGroups(&active_groups));
  29
  30         if (active_tournament.id == -1) {
  31                 std::fprintf(stderr, "No active tournament\n");
  32         } else {
  33                 std::fprintf(stderr, "Current tournament is %d\n", active_tournament.id);
  34
  35                 for (std::vector<SkeletonGroup>::const_iterator i = active_groups.begin(); i != active_groups.end(); ++i) {
  36                         std::fprintf(stderr, "tourn: %u  round: %u   parallel: %u\n",
  37                                 i->tournament, i->round, i->parallel);
  38
  39                         screens.push_back(new GroupScreen(conn, i->tournament, i->round, i->parallel));
  40                 }
  41         }
  42 }
  43
  44 void main_loop(pqxx::connection &conn)
  45 {
  46         if (active_tournament.id == -1) {
  47                 // No active tournament, sleep a second or so and exit
  48                 sleep(1);
  49                 return;
  50         }
  51
  52         memset(framebuf, 0, 800*600*4);
  53
  54         if (screens[0]->check_invalidated()) {
  55                 screens[0]->draw(screenbuf);
  56         }
  57
  58         memcpy(framebuf, screenbuf, 800*600*4);
  59
  60         ptc_update(framebuf);
  61         sleep(1);
  62 }
  63
  64 int main(int argc, char **argv)
  65 {
  66         ptc_open("CCBS bigscreen", 800, 600);
  67
  68         try {
  69                 init_freetype();
  70                 pqxx::connection conn("dbname=ccbs host=altersex.samfundet.no user=ccbs password=GeT|>>B_");
  71                 FlagTrigger tournament_changed(conn, "active_tournament");
  72                 FlagTrigger rounds_changed(conn, "active_groups");
  73
  74                 // when active_tournament or active_rounds is changed, we destroy everything and start from scratch
  75                 // (at least currently)
  76                 for ( ;; ) {
  77                         tournament_changed.reset_flag();
  78                         rounds_changed.reset_flag();
  79                         init(conn);
  80                         do {
  81                                 main_loop(conn);
  82                                 conn.get_notifs();
  83                         } while (!tournament_changed.get_flag() && !rounds_changed.get_flag());
  84                         std::fprintf(stderr, "active_tournament or active_groups changed, resetting...\n");
  85                 }
  86         } catch (const std::exception &e) {
  87                 std::fprintf(stderr, "Exception: %s\n", e.what());
  88                 exit(1);
  89         }
  90
  91         return 0;
  92 }