Add the framework for a top 10 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 "fetch_auxilliary_screens.h"
13 #include "fonts.h"
14 #include "groupscreen.h"
15 #include "top10scorescreen.h"
16 #include "splitscreen.h"
17 #include "rotatescreen.h"
18
19 Tournament active_tournament;
20 std::vector<SkeletonGroup> active_groups;
21 std::vector<GenericScreen *> screens;
22 GenericScreen *mainscreen = NULL;
23 unsigned char framebuf[800 * 600 * 4], screenbuf[800 * 600 * 4];
24
25 void init(pqxx::connection &conn)
26 {
27         std::vector<widestring> aux_screens;
28                 
29         if (screens.size() == 0 || mainscreen != screens[0])
30                 delete mainscreen;
31         
32         for (std::vector<GenericScreen *>::const_iterator i = screens.begin(); i != screens.end(); ++i) {
33                 delete *i;
34         }
35         screens.erase(screens.begin(), screens.end());
36
37         conn.perform(FetchCurrentTournament(&active_tournament));
38         conn.perform(FetchListOfActiveGroups(&active_groups));
39
40         if (active_tournament.id == -1) {
41                 std::fprintf(stderr, "No active tournament\n");
42         } else {
43                 std::fprintf(stderr, "Current tournament is %d\n", active_tournament.id);
44
45                 for (std::vector<SkeletonGroup>::const_iterator i = active_groups.begin(); i != active_groups.end(); ++i) {
46                         std::fprintf(stderr, "tourn: %u  round: %u  parallel: %u  num_machines: %u\n",
47                                 i->tournament, i->round, i->parallel, i->num_machines);
48
49                         // memory leaks here?
50                         for (unsigned j = 0; j < i->num_machines; ++j) {
51                                 RotateScreen *rs = new RotateScreen();
52                                 screens.push_back(rs);
53                                 rs->add_screen(new GroupScreen(conn, i->tournament, i->round, i->parallel, j, i->num_machines));
54                         }
55                 }
56         }
57
58         conn.perform(FetchAuxilliaryScreens(&aux_screens));
59         for (std::vector<widestring>::const_iterator i = aux_screens.begin(); i != aux_screens.end(); ++i) {
60                 if (*i == widestring("top10scores")) {
61                         screens.push_back(new Top10ScoreScreen(conn, active_tournament.id));
62                         continue;
63                 }
64                 std::fprintf(stderr, "Foobarbaz?\n");
65         }
66         
67         // hack
68         screens.push_back(NULL);
69         screens.push_back(NULL);
70         screens.push_back(NULL);
71         screens.push_back(NULL);
72
73         if (screens[1] == NULL) {
74                 mainscreen = screens[0];
75         } else {
76                 mainscreen = new SplitScreen(screens[0], screens[1], screens[2], screens[3]);
77         }
78 }
79
80 void main_loop(pqxx::connection &conn)
81 {
82         if (active_tournament.id == -1) {
83                 // No active tournament, sleep a second or so and exit
84                 conn.await_notification(1, 0);
85                 return;
86         }
87
88         if (mainscreen && mainscreen->check_invalidated()) {
89                 mainscreen->draw(framebuf);
90                 ptc_update(framebuf);
91                 conn.await_notification(0, 10000);
92         } else {
93                 ptc_update(framebuf);
94                 conn.await_notification(0, 200000);
95         }
96 }
97
98 int main(int argc, char **argv)
99 {
100         ptc_open("CCBS bigscreen", 800, 600);
101         
102         try {
103                 init_freetype();
104                 pqxx::connection conn("dbname=ccbs host=altersex.samfundet.no user=ccbs password=GeT|>>B_");
105                 FlagTrigger tournament_changed(conn, "active_tournament");
106                 FlagTrigger rounds_changed(conn, "active_groups");
107                 
108                 // when active_tournament or active_rounds is changed, we destroy everything and start from scratch
109                 // (at least currently)
110                 for ( ;; ) {
111                         tournament_changed.reset_flag();
112                         rounds_changed.reset_flag();
113                         init(conn);
114                         do {
115                                 main_loop(conn);
116                                 conn.get_notifs();
117                         } while (!tournament_changed.get_flag() && !rounds_changed.get_flag());
118                         std::fprintf(stderr, "active_tournament or active_groups changed, resetting...\n");
119                 }
120         } catch (const std::exception &e) {
121                 std::fprintf(stderr, "Exception: %s\n", e.what());
122                 exit(1);
123         }
124         
125         return 0;
126 }