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
  14 Tournament active_tournament;
  15 std::vector<SkeletonGroup> active_groups;
  16 unsigned char framebuf[800 * 600 * 4];
  17
  18 void init(pqxx::connection &conn)
  19 {
  20         conn.perform(FetchCurrentTournament(&active_tournament));
  21         conn.perform(FetchListOfActiveGroups(&active_groups));
  22
  23         if (active_tournament.id == -1) {
  24                 std::fprintf(stderr, "No active tournament\n");
  25         } else {
  26                 std::fprintf(stderr, "Current tournament is %d\n", active_tournament.id);
  27
  28                 for (std::vector<SkeletonGroup>::const_iterator i = active_groups.begin(); i != active_groups.end(); ++i) {
  29                         std::fprintf(stderr, "tourn: %u  round: %u   parallel: %u\n",
  30                                 i->tournament, i->round, i->parallel);
  31
  32                         Group gr;
  33                         conn.perform(FetchGroup(i->tournament, i->round, i->parallel, &gr));
  34                         std::fprintf(stderr, "%u players in group\n", gr.players.size());
  35                 }
  36         }
  37 }
  38
  39 void main_loop(pqxx::connection &conn)
  40 {
  41         if (active_tournament.id == -1) {
  42                 // No active tournament, sleep a second or so and exit
  43                 sleep(1);
  44                 return;
  45         }
  46
  47         memset(framebuf, 0, 800*600*4);
  48
  49         pqxx::work t(conn, "trx");
  50
  51         // fetch all songs
  52         pqxx::result res( t.exec("SELECT * FROM songs WHERE title LIKE 'M%'") );
  53         unsigned y = 0;
  54         for (pqxx::result::const_iterator i = res.begin(); i != res.end(); ++i) {
  55                 my_draw_text(i["title"].as(widestring()), framebuf, 0, y, 1, 255, 255, 255);
  56                 y += 20;
  57 //              std::fprintf(stderr, "%s\n", i["title"].c_str());
  58         }
  59         t.commit();
  60
  61         ptc_update(framebuf);
  62         sleep(1);
  63 }
  64
  65 int main(int argc, char **argv)
  66 {
  67         ptc_open("CCBS bigscreen", 800, 600);
  68
  69         try {
  70                 init_freetype();
  71                 pqxx::connection conn("dbname=ccbs host=altersex.samfundet.no user=ccbs password=GeT|>>B_");
  72                 FlagTrigger tournament_changed(conn, "active_tournament");
  73                 FlagTrigger rounds_changed(conn, "active_groups");
  74
  75                 // when active_tournament or active_rounds is changed, we destroy everything and start from scratch
  76                 // (at least currently)
  77                 for ( ;; ) {
  78                         tournament_changed.reset_flag();
  79                         rounds_changed.reset_flag();
  80                         init(conn);
  81                         do {
  82                                 main_loop(conn);
  83                                 conn.get_notifs();
  84                         } while (!tournament_changed.get_flag() && !rounds_changed.get_flag());
  85                         std::fprintf(stderr, "active_tournament or active_groups changed, resetting...\n");
  86                 }
  87         } catch (const std::exception &e) {
  88                 std::fprintf(stderr, "Exception: %s\n", e.what());
  89                 exit(1);
  90         }
  91
  92         return 0;
  93 }