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 #include "splitscreen.h"
  15
  16 Tournament active_tournament;
  17 std::vector<SkeletonGroup> active_groups;
  18 std::vector<GenericScreen *> screens;
  19 SplitScreen *mainscreen = NULL;
  20 unsigned char framebuf[800 * 600 * 4], screenbuf[800 * 600 * 4];
  21
  22 void init(pqxx::connection &conn)
  23 {
  24         for (std::vector<GenericScreen *>::const_iterator i = screens.begin(); i != screens.end(); ++i) {
  25                 delete *i;
  26         }
  27         screens.erase(screens.begin(), screens.end());
  28
  29         delete mainscreen;
  30
  31         conn.perform(FetchCurrentTournament(&active_tournament));
  32         conn.perform(FetchListOfActiveGroups(&active_groups));
  33
  34         if (active_tournament.id == -1) {
  35                 std::fprintf(stderr, "No active tournament\n");
  36         } else {
  37                 std::fprintf(stderr, "Current tournament is %d\n", active_tournament.id);
  38
  39                 for (std::vector<SkeletonGroup>::const_iterator i = active_groups.begin(); i != active_groups.end(); ++i) {
  40                         std::fprintf(stderr, "tourn: %u  round: %u   parallel: %u\n",
  41                                 i->tournament, i->round, i->parallel);
  42
  43                         screens.push_back(new GroupScreen(conn, i->tournament, i->round, i->parallel));
  44                 }
  45         }
  46
  47         // hack
  48         screens.push_back(NULL);
  49         screens.push_back(NULL);
  50         screens.push_back(NULL);
  51         screens.push_back(NULL);
  52
  53         mainscreen = new SplitScreen(screens[0], screens[1], screens[2], screens[3]);
  54 }
  55
  56 void main_loop(pqxx::connection &conn)
  57 {
  58         if (active_tournament.id == -1) {
  59                 // No active tournament, sleep a second or so and exit
  60                 conn.await_notification(1, 0);
  61                 return;
  62         }
  63
  64         if (mainscreen->check_invalidated()) {
  65                 mainscreen->draw(framebuf);
  66         }
  67         ptc_update(framebuf);
  68
  69         conn.await_notification(0, 50000);
  70 }
  71
  72 int main(int argc, char **argv)
  73 {
  74         ptc_open("CCBS bigscreen", 800, 600);
  75
  76         try {
  77                 init_freetype();
  78                 pqxx::connection conn("dbname=ccbs host=altersex.samfundet.no user=ccbs password=GeT|>>B_");
  79                 FlagTrigger tournament_changed(conn, "active_tournament");
  80                 FlagTrigger rounds_changed(conn, "active_groups");
  81
  82                 // when active_tournament or active_rounds is changed, we destroy everything and start from scratch
  83                 // (at least currently)
  84                 for ( ;; ) {
  85                         tournament_changed.reset_flag();
  86                         rounds_changed.reset_flag();
  87                         init(conn);
  88                         do {
  89                                 main_loop(conn);
  90                                 conn.get_notifs();
  91                         } while (!tournament_changed.get_flag() && !rounds_changed.get_flag());
  92                         std::fprintf(stderr, "active_tournament or active_groups changed, resetting...\n");
  93                 }
  94         } catch (const std::exception &e) {
  95                 std::fprintf(stderr, "Exception: %s\n", e.what());
  96                 exit(1);
  97         }
  98
  99         return 0;
 100 }