Don't use split screen if we only have one screen.
[ccbs] / 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 }