X-Git-Url: https://git.sesse.net/?p=ccbs;a=blobdiff_plain;f=bigscreen%2Fccbs_bigscreen.cpp;h=fbbc0aaed7a06baf1640f63781dd814c19660382;hp=684f423777db0214390df3ae07634984ad3de814;hb=07f65e88e6fd4ebbe8c055f3acd0385f9b64f238;hpb=140a0aae7299d15459fe9ec74ad5020887e0a960 diff --git a/bigscreen/ccbs_bigscreen.cpp b/bigscreen/ccbs_bigscreen.cpp index 684f423..fbbc0aa 100644 --- a/bigscreen/ccbs_bigscreen.cpp +++ b/bigscreen/ccbs_bigscreen.cpp @@ -3,146 +3,41 @@ #include #include #include -#include -#include FT_FREETYPE_H #include - -iconv_t ucs4_iconv; - -// UCS-4 string -class widestring : public std::basic_string -{ -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 (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 (outptr), std::back_inserter(*this)); - - free(from_buf); - delete[] to_buf; - } -}; - -template<> -void std::char_traits::assign(unsigned &to, unsigned const &from) -{ - to = from; -} - -template<> -unsigned *std::char_traits::copy(unsigned *to, unsigned const *from, unsigned n) -{ - return static_cast(memcpy(to, from, n * sizeof(unsigned))); -} - -template<> -unsigned *std::char_traits::move(unsigned *to, unsigned const *from, unsigned n) -{ - return static_cast(memmove(to, from, n * sizeof(unsigned))); -} - -template<> -unsigned *std::char_traits::assign(unsigned *to, size_t n, unsigned a) -{ - for (unsigned i = 0; i < n; ++i) - *to++ = a; - return to; -} - - -template<> -void pqxx::from_string(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 active_groups; +std::vector screens; +unsigned char framebuf[800 * 600 * 4], screenbuf[800 * 600 * 4]; void init(pqxx::connection &conn) { + for (std::vector::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::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());