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  num_machines: %u\n",
  43                                 i->tournament, i->round, i->parallel, i->num_machines);
  44
  45                         // memory leaks here?
  46                         for (unsigned j = 0; j < i->num_machines; ++j) {
  47                                 RotateScreen *rs = new RotateScreen();
  48                                 screens.push_back(rs);
  49                                 rs->add_screen(new GroupScreen(conn, i->tournament, i->round, i->parallel, j, i->num_machines));
  50                         }
  51                 }
  52         }
  53
  54         // hack
  55         screens.push_back(NULL);
  56         screens.push_back(NULL);
  57         screens.push_back(NULL);
  58         screens.push_back(NULL);
  59
  60         if (screens[1] == NULL) {
  61                 mainscreen = screens[0];
  62         } else {
  63                 mainscreen = new SplitScreen(screens[0], screens[1], screens[2], screens[3]);
  64         }
  65 }
  66
  67 void main_loop(pqxx::connection &conn)
  68 {
  69         if (active_tournament.id == -1) {
  70                 // No active tournament, sleep a second or so and exit
  71                 conn.await_notification(1, 0);
  72                 return;
  73         }
  74
  75         if (mainscreen && mainscreen->check_invalidated()) {
  76                 mainscreen->draw(framebuf);
  77                 ptc_update(framebuf);
  78                 conn.await_notification(0, 10000);
  79         } else {
  80                 ptc_update(framebuf);
  81                 conn.await_notification(0, 200000);
  82         }
  83 }
  84
  85 int main(int argc, char **argv)
  86 {
  87         ptc_open("CCBS bigscreen", 800, 600);
  88
  89         try {
  90                 init_freetype();
  91                 pqxx::connection conn("dbname=ccbs host=altersex.samfundet.no user=ccbs password=GeT|>>B_");
  92                 FlagTrigger tournament_changed(conn, "active_tournament");
  93                 FlagTrigger rounds_changed(conn, "active_groups");
  94
  95                 // when active_tournament or active_rounds is changed, we destroy everything and start from scratch
  96                 // (at least currently)
  97                 for ( ;; ) {
  98                         tournament_changed.reset_flag();
  99                         rounds_changed.reset_flag();
 100                         init(conn);
 101                         do {
 102                                 main_loop(conn);
 103                                 conn.get_notifs();
 104                         } while (!tournament_changed.get_flag() && !rounds_changed.get_flag());
 105                         std::fprintf(stderr, "active_tournament or active_groups changed, resetting...\n");
 106                 }
 107         } catch (const std::exception &e) {
 108                 std::fprintf(stderr, "Exception: %s\n", e.what());
 109                 exit(1);
 110         }
 111
 112         return 0;
 113 }