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 #include "rotatescreen.h"
  16
  17 Tournament active_tournament;
  18 std::vector<SkeletonGroup> active_groups;
  19 std::vector<GenericScreen *> screens;
  20 GenericScreen *mainscreen = NULL;
  21 unsigned char framebuf[800 * 600 * 4], screenbuf[800 * 600 * 4];
  22
  23 void init(pqxx::connection &conn)
  24 {
  25         if (screens.size() == 0 || mainscreen != screens[0])
  26                 delete mainscreen;
  27
  28         for (std::vector<GenericScreen *>::const_iterator i = screens.begin(); i != screens.end(); ++i) {
  29                 delete *i;
  30         }
  31         screens.erase(screens.begin(), screens.end());
  32
  33         conn.perform(FetchCurrentTournament(&active_tournament));
  34         conn.perform(FetchListOfActiveGroups(&active_groups));
  35
  36         if (active_tournament.id == -1) {
  37                 std::fprintf(stderr, "No active tournament\n");
  38         } else {
  39                 std::fprintf(stderr, "Current tournament is %d\n", active_tournament.id);
  40
  41                 for (std::vector<SkeletonGroup>::const_iterator i = active_groups.begin(); i != active_groups.end(); ++i) {
  42                         std::fprintf(stderr, "tourn: %u  round: %u   parallel: %u\n",
  43                                 i->tournament, i->round, i->parallel);
  44
  45                         // memory leaks here?
  46                         RotateScreen *rs = new RotateScreen();
  47                         screens.push_back(rs);
  48                         rs->add_screen(new GroupScreen(conn, i->tournament, i->round, i->parallel));
  49                 }
  50         }
  51
  52         // hack
  53         screens.push_back(NULL);
  54         screens.push_back(NULL);
  55         screens.push_back(NULL);
  56         screens.push_back(NULL);
  57
  58         if (screens[1] == NULL) {
  59                 mainscreen = screens[0];
  60         } else {
  61                 mainscreen = new SplitScreen(screens[0], screens[1], screens[2], screens[3]);
  62         }
  63 }
  64
  65 void main_loop(pqxx::connection &conn)
  66 {
  67         if (active_tournament.id == -1) {
  68                 // No active tournament, sleep a second or so and exit
  69                 conn.await_notification(1, 0);
  70                 return;
  71         }
  72
  73         if (mainscreen && mainscreen->check_invalidated()) {
  74                 mainscreen->draw(framebuf);
  75                 ptc_update(framebuf);
  76                 conn.await_notification(0, 10000);
  77         } else {
  78                 ptc_update(framebuf);
  79                 conn.await_notification(0, 200000);
  80         }
  81 }
  82
  83 int main(int argc, char **argv)
  84 {
  85         ptc_open("CCBS bigscreen", 800, 600);
  86
  87         try {
  88                 init_freetype();
  89                 pqxx::connection conn("dbname=ccbs host=altersex.samfundet.no user=ccbs password=GeT|>>B_");
  90                 FlagTrigger tournament_changed(conn, "active_tournament");
  91                 FlagTrigger rounds_changed(conn, "active_groups");
  92
  93                 // when active_tournament or active_rounds is changed, we destroy everything and start from scratch
  94                 // (at least currently)
  95                 for ( ;; ) {
  96                         tournament_changed.reset_flag();
  97                         rounds_changed.reset_flag();
  98                         init(conn);
  99                         do {
 100                                 main_loop(conn);
 101                                 conn.get_notifs();
 102                         } while (!tournament_changed.get_flag() && !rounds_changed.get_flag());
 103                         std::fprintf(stderr, "active_tournament or active_groups changed, resetting...\n");
 104                 }
 105         } catch (const std::exception &e) {
 106                 std::fprintf(stderr, "Exception: %s\n", e.what());
 107                 exit(1);
 108         }
 109
 110         return 0;
 111 }