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 "fetch_auxilliary_screens.h"
  13 #include "fonts.h"
  14 #include "groupscreen.h"
  15 #include "splitscreen.h"
  16 #include "rotatescreen.h"
  17
  18 Tournament active_tournament;
  19 std::vector<SkeletonGroup> active_groups;
  20 std::vector<GenericScreen *> screens;
  21 GenericScreen *mainscreen = NULL;
  22 unsigned char framebuf[800 * 600 * 4], screenbuf[800 * 600 * 4];
  23
  24 void init(pqxx::connection &conn)
  25 {
  26         std::vector<widestring> aux_screens;
  27
  28         if (screens.size() == 0 || mainscreen != screens[0])
  29                 delete mainscreen;
  30
  31         for (std::vector<GenericScreen *>::const_iterator i = screens.begin(); i != screens.end(); ++i) {
  32                 delete *i;
  33         }
  34         screens.erase(screens.begin(), screens.end());
  35
  36         conn.perform(FetchCurrentTournament(&active_tournament));
  37         conn.perform(FetchListOfActiveGroups(&active_groups));
  38
  39         if (active_tournament.id == -1) {
  40                 std::fprintf(stderr, "No active tournament\n");
  41         } else {
  42                 std::fprintf(stderr, "Current tournament is %d\n", active_tournament.id);
  43
  44                 for (std::vector<SkeletonGroup>::const_iterator i = active_groups.begin(); i != active_groups.end(); ++i) {
  45                         std::fprintf(stderr, "tourn: %u  round: %u  parallel: %u  num_machines: %u\n",
  46                                 i->tournament, i->round, i->parallel, i->num_machines);
  47
  48                         // memory leaks here?
  49                         for (unsigned j = 0; j < i->num_machines; ++j) {
  50                                 RotateScreen *rs = new RotateScreen();
  51                                 screens.push_back(rs);
  52                                 rs->add_screen(new GroupScreen(conn, i->tournament, i->round, i->parallel, j, i->num_machines));
  53                         }
  54                 }
  55         }
  56
  57         conn.perform(FetchAuxilliaryScreens(&aux_screens));
  58         for (std::vector<widestring>::const_iterator i = aux_screens.begin(); i != aux_screens.end(); ++i) {
  59 //              std::fprintf(stderr, "Auxilliary screen '%s'\n", i->c_str());
  60         }
  61
  62         // hack
  63         screens.push_back(NULL);
  64         screens.push_back(NULL);
  65         screens.push_back(NULL);
  66         screens.push_back(NULL);
  67
  68         if (screens[1] == NULL) {
  69                 mainscreen = screens[0];
  70         } else {
  71                 mainscreen = new SplitScreen(screens[0], screens[1], screens[2], screens[3]);
  72         }
  73 }
  74
  75 void main_loop(pqxx::connection &conn)
  76 {
  77         if (active_tournament.id == -1) {
  78                 // No active tournament, sleep a second or so and exit
  79                 conn.await_notification(1, 0);
  80                 return;
  81         }
  82
  83         if (mainscreen && mainscreen->check_invalidated()) {
  84                 mainscreen->draw(framebuf);
  85                 ptc_update(framebuf);
  86                 conn.await_notification(0, 10000);
  87         } else {
  88                 ptc_update(framebuf);
  89                 conn.await_notification(0, 200000);
  90         }
  91 }
  92
  93 int main(int argc, char **argv)
  94 {
  95         ptc_open("CCBS bigscreen", 800, 600);
  96
  97         try {
  98                 init_freetype();
  99                 pqxx::connection conn("dbname=ccbs host=altersex.samfundet.no user=ccbs password=GeT|>>B_");
 100                 FlagTrigger tournament_changed(conn, "active_tournament");
 101                 FlagTrigger rounds_changed(conn, "active_groups");
 102
 103                 // when active_tournament or active_rounds is changed, we destroy everything and start from scratch
 104                 // (at least currently)
 105                 for ( ;; ) {
 106                         tournament_changed.reset_flag();
 107                         rounds_changed.reset_flag();
 108                         init(conn);
 109                         do {
 110                                 main_loop(conn);
 111                                 conn.get_notifs();
 112                         } while (!tournament_changed.get_flag() && !rounds_changed.get_flag());
 113                         std::fprintf(stderr, "active_tournament or active_groups changed, resetting...\n");
 114                 }
 115         } catch (const std::exception &e) {
 116                 std::fprintf(stderr, "Exception: %s\n", e.what());
 117                 exit(1);
 118         }
 119
 120         return 0;
 121 }