]> git.sesse.net Git - ccbs/blobdiff - bigscreen/ccbs_bigscreen.cpp
Only allocate space for four digits in the score screen -- if somebody actually gets...
[ccbs] / bigscreen / ccbs_bigscreen.cpp
index 684f423777db0214390df3ae07634984ad3de814..fbbc0aaed7a06baf1640f63781dd814c19660382 100644 (file)
 #include <iconv.h>
 #include <unistd.h>
 #include <pqxx/pqxx>
-#include <ft2build.h>
-#include FT_FREETYPE_H
 #include <tinyptc.h>
-
-iconv_t ucs4_iconv;
-
-// UCS-4 string
-class widestring : public std::basic_string<unsigned>
-{
-public:
-       void operator= (const char *from)
-       {
-               unsigned bytes = std::strlen(from);
-               char *from_buf = strdup(from);
-               unsigned *to_buf = new unsigned[bytes + 1];
-
-               char *inptr = from_buf, *outptr = reinterpret_cast<char *> (to_buf);
-
-               size_t in_left = bytes;
-               size_t out_left = bytes * sizeof(unsigned);
-
-               size_t ret = iconv(ucs4_iconv, NULL, NULL, &outptr, &out_left);
-               if (ret == (size_t)(-1)) {
-                       throw std::runtime_error("Error in iconv during initialization");
-               }
-
-               ret = iconv(ucs4_iconv, &inptr, &in_left, &outptr, &out_left);
-               if (ret == (size_t)(-1)) {
-                       perror("iconv");
-                       throw std::runtime_error("Error in iconv during conversion");
-               }
-
-               erase(begin(), end());
-               std::copy(to_buf, reinterpret_cast<unsigned *> (outptr), std::back_inserter(*this));
-
-               free(from_buf);
-               delete[] to_buf;
-       }
-};
-
-template<>
-void std::char_traits<unsigned>::assign(unsigned &to, unsigned const &from)
-{
-       to = from;
-}
-
-template<>
-unsigned *std::char_traits<unsigned>::copy(unsigned *to, unsigned const *from, unsigned n)
-{
-       return static_cast<unsigned *>(memcpy(to, from, n * sizeof(unsigned)));
-}
-
-template<>
-unsigned *std::char_traits<unsigned>::move(unsigned *to, unsigned const *from, unsigned n)
-{
-       return static_cast<unsigned *>(memmove(to, from, n * sizeof(unsigned)));
-}
-
-template<>
-unsigned *std::char_traits<unsigned>::assign(unsigned *to, size_t n, unsigned a)
-{
-       for (unsigned i = 0; i < n; ++i)
-               *to++ = a;
-       return to;
-}
-
-
-template<>
-void pqxx::from_string<widestring>(const char *from, widestring &to)
-{
-       to = from;
-}
-
-class Tournament {
-public:
-       int id;
-       widestring name;
-};
+#include "flagtrigger.h"
+#include "widestring.h"
+#include "fetch_current_tournament.h"
+#include "fetch_list_of_active_groups.h"
+#include "fetch_group.h"
+#include "fonts.h"
+#include "groupscreen.h"
 
 Tournament active_tournament;
-FT_Face font;
-
-/* A trigger that sets a flag whenever it's trigged. */
-class FlagTrigger : pqxx::trigger {
-private:
-       bool flag;
-       
-public:
-       FlagTrigger(pqxx::connection_base &conn, const PGSTD::string &name)
-               : pqxx::trigger(conn, name), flag(false) {}
-       virtual ~FlagTrigger() throw () {}
-       
-       virtual void operator() (int pid)
-       {
-               flag = true;
-               std::fprintf(stderr, "Received a flag trigger from pid %u\n", pid);
-       }
-
-       bool get_flag() const
-       {
-               return flag;
-       }
-
-       void reset_flag()
-       {
-               flag = false;
-       }
-};
-
-/* A transactor that fetches the current tournament and some information about it. */
-class FetchCurrentTournament : public pqxx::transactor<> {
-private:
-       Tournament *tourn;
-
-public:
-       FetchCurrentTournament(Tournament *tourn) : tourn(tourn) {}
-       void operator() (pqxx::transaction<> &t)
-       {
-               pqxx::result res( t.exec("SELECT * FROM bigscreen.active_tournament NATURAL JOIN tournaments") );
-               try {
-                       pqxx::result::tuple tournament = res.at(0);
-
-                       tourn->id = tournament["tournament"].as(tourn->id);
-                       tourn->name = tournament["tournamentname"].as(tourn->name);
-               } catch (PGSTD::out_of_range &e) {
-                       tourn->id = -1;
-                       tourn->name = "";
-               }
-       }
-};
+std::vector<SkeletonGroup> active_groups;
+std::vector<GenericScreen *> screens;
+unsigned char framebuf[800 * 600 * 4], screenbuf[800 * 600 * 4];
 
 void init(pqxx::connection &conn)
 {
+       for (std::vector<GenericScreen *>::const_iterator i = screens.begin(); i != screens.end(); ++i) {
+               delete *i;
+       }
+       screens.erase(screens.begin(), screens.end());
+       
        conn.perform(FetchCurrentTournament(&active_tournament));
+       conn.perform(FetchListOfActiveGroups(&active_groups));
 
        if (active_tournament.id == -1) {
                std::fprintf(stderr, "No active tournament\n");
        } else {
-               std::fprintf(stderr, "Current tournament is %d (name: '%s')\n",
-                       active_tournament.id, active_tournament.name.c_str());
+               std::fprintf(stderr, "Current tournament is %d\n", active_tournament.id);
+
+               for (std::vector<SkeletonGroup>::const_iterator i = active_groups.begin(); i != active_groups.end(); ++i) {
+                       std::fprintf(stderr, "tourn: %u  round: %u   parallel: %u\n",
+                               i->tournament, i->round, i->parallel);
+
+                       screens.push_back(new GroupScreen(conn, i->tournament, i->round, i->parallel));
+               }
        }
 }
 
@@ -150,53 +45,45 @@ void main_loop(pqxx::connection &conn)
 {
        if (active_tournament.id == -1) {
                // No active tournament, sleep a second or so and exit
-               sleep(1);
+               conn.await_notification(1, 0);
                return;
        }
+
+       memset(framebuf, 0, 800*600*4);
        
-       pqxx::work t(conn, "trx");
+       if (screens.size() > 0) {
+               if (screens[0]->check_invalidated()) {
+                       screens[0]->draw(screenbuf);
+               }
 
-       // fetch all songs
-       pqxx::result res( t.exec("SELECT * FROM songs") );
-       for (pqxx::result::const_iterator i = res.begin(); i != res.end(); ++i) {
-               std::fprintf(stderr, "%s\n", i["title"].c_str());
+               memcpy(framebuf, screenbuf, 800*600*4);
        }
-       t.commit();
-       
-       sleep(1);
-}
 
-void init_freetype()
-{
-       FT_Library library;
-       if (FT_Init_FreeType(&library))
-               throw std::logic_error("FreeType init failed.");
-       if (FT_New_Face(library, "/usr/share/fonts/truetype/msttcorefonts/Georgia.ttf", 0, &font))
-               throw std::logic_error("Face opening failed.");
-       if (FT_Set_Char_Size(font, 0, 12, 96, 96))
-               throw std::logic_error("Size set failed.");
+       ptc_update(framebuf);
+       conn.await_notification(0, 50000);
 }
 
 int main(int argc, char **argv)
 {
-       ucs4_iconv = iconv_open("ucs-4", "utf-8");
-       
        ptc_open("CCBS bigscreen", 800, 600);
        
        try {
                init_freetype();
                pqxx::connection conn("dbname=ccbs host=altersex.samfundet.no user=ccbs password=GeT|>>B_");
                FlagTrigger tournament_changed(conn, "active_tournament");
+               FlagTrigger rounds_changed(conn, "active_groups");
                
-               // when active_tournament is changed, we destroy everything and start from scratch
+               // when active_tournament or active_rounds is changed, we destroy everything and start from scratch
+               // (at least currently)
                for ( ;; ) {
                        tournament_changed.reset_flag();
+                       rounds_changed.reset_flag();
                        init(conn);
                        do {
                                main_loop(conn);
                                conn.get_notifs();
-                       } while (!tournament_changed.get_flag());
-                       std::fprintf(stderr, "active_tournament changed, resetting...\n");
+                       } while (!tournament_changed.get_flag() && !rounds_changed.get_flag());
+                       std::fprintf(stderr, "active_tournament or active_groups changed, resetting...\n");
                }
        } catch (const std::exception &e) {
                std::fprintf(stderr, "Exception: %s\n", e.what());