Actually fetch and display the top 10 scores.
authorSteinar H. Gunderson <sesse@samfundet.no>
Mon, 28 Feb 2005 22:17:55 +0000 (22:17 +0000)
committerSteinar H. Gunderson <sesse@samfundet.no>
Mon, 28 Feb 2005 22:17:55 +0000 (22:17 +0000)
bigscreen/Makefile
bigscreen/fetch_top_scores_for_tournament.cpp [new file with mode: 0644]
bigscreen/fetch_top_scores_for_tournament.h [new file with mode: 0644]
bigscreen/top10scorescreen.cpp
bigscreen/top10scorescreen.h

index 6258a6b..cab9cee 100644 (file)
@@ -4,7 +4,7 @@ CPPFLAGS=-I/usr/include/postgresql $(shell freetype-config --cflags) -Itinyptc/
 CXXFLAGS=-g -Wall
 LDFLAGS=-L/usr/X11R6/lib
 LIBS=$(shell freetype-config --libs) $(shell libpq3-config) -lpqxx tinyptc/libtinyptc.a -lX11 -lXext
-CCBS_BIGSCREEN_OBJS=ccbs_bigscreen.o flagtrigger.o widestring.o fetch_current_tournament.o fetch_list_of_active_groups.o fetch_max_score_for_songs.o fetch_max_score_for_players.o fetch_group.o fetch_needs_update.o fetch_highscore.o fetch_auxilliary_screens.o fonts.o groupscreen.o top10scorescreen.o splitscreen.o rotatescreen.o screen.o
+CCBS_BIGSCREEN_OBJS=ccbs_bigscreen.o flagtrigger.o widestring.o fetch_current_tournament.o fetch_list_of_active_groups.o fetch_max_score_for_songs.o fetch_max_score_for_players.o fetch_group.o fetch_needs_update.o fetch_highscore.o fetch_top_scores_for_tournament.o fetch_auxilliary_screens.o fonts.o groupscreen.o top10scorescreen.o splitscreen.o rotatescreen.o screen.o
 
 all: ccbs-bigscreen
 
diff --git a/bigscreen/fetch_top_scores_for_tournament.cpp b/bigscreen/fetch_top_scores_for_tournament.cpp
new file mode 100644 (file)
index 0000000..9c38f51
--- /dev/null
@@ -0,0 +1,36 @@
+#include "fetch_top_scores_for_tournament.h"
+
+// small utility function so we can stick TopScores in a std::set
+bool TopScore::operator< (const TopScore &other) const
+{
+       if (nick != other.nick)
+               return (nick < other.nick);
+       if (title != other.title)
+               return (title < other.title);
+       return (score < other.score);
+}
+
+FetchTopScoresForTournament::FetchTopScoresForTournament(unsigned tournament, unsigned num, std::vector<TopScore> *scores)
+       : tournament(tournament), num(num), scores(scores) {}
+       
+void FetchTopScoresForTournament::operator() (pqxx::transaction<> &t)
+{
+       scores->erase(scores->begin(), scores->end());
+
+       // Again, this will break if a song has more than one short title
+       pqxx::result res( t.exec(
+               "SELECT nick, title, shorttitle, score FROM scores NATURAL JOIN tournaments NATURAL JOIN players NATURAL JOIN songs NATURAL LEFT JOIN songshorttitles WHERE tournament=" +
+                       pqxx::to_string(tournament) + " AND score IS NOT NULL ORDER BY score DESC LIMIT " +
+                       pqxx::to_string(num)) );
+       
+       for (pqxx::result::const_iterator i = res.begin(); i != res.end(); ++i) {
+               TopScore ts;
+
+               ts.nick = i["nick"].as(ts.nick);
+               ts.title = i["title"].as(ts.title);
+               ts.shorttitle = i["shorttitle"].as(ts.shorttitle);
+               ts.score = i["score"].as(ts.score);
+
+               scores->push_back(ts);
+       }
+}
diff --git a/bigscreen/fetch_top_scores_for_tournament.h b/bigscreen/fetch_top_scores_for_tournament.h
new file mode 100644 (file)
index 0000000..78492ed
--- /dev/null
@@ -0,0 +1,26 @@
+#ifndef _FETCH_TOP_SCORES_FOR_TOURNAMENT_H
+#define _FETCH_TOP_SCORES_FOR_TOURNAMENT_H 1
+
+#include <pqxx/transactor>
+#include <vector>
+#include "widestring.h"
+
+struct TopScore {
+       widestring nick, title, shorttitle;
+       unsigned score;
+
+       bool operator< (const TopScore &other) const;
+};
+
+/* A transactor that fetches the best N scores for a given tournament */
+class FetchTopScoresForTournament : public pqxx::transactor<> {
+private:
+       unsigned tournament, num;
+       std::vector<TopScore> *scores;
+
+public:
+       FetchTopScoresForTournament(unsigned tournament, unsigned num, std::vector<TopScore> *scores);
+       void operator() (pqxx::transaction<> &t);
+};
+
+#endif /* !defined(_FETCH_TOP_SCORES_FOR_TOURNAMENT_H) */
index 58db329..791c785 100644 (file)
@@ -1,6 +1,8 @@
 #include <cstdio>
+#include <algorithm>
 
 #include "top10scorescreen.h"
+#include "fonts.h"
 
 Top10ScoreScreen::Top10ScoreScreen(pqxx::connection &conn, unsigned tournament)
        : conn(conn), tournament(tournament), scores_changed(conn, "scores"), valid(false)
@@ -23,14 +25,55 @@ bool Top10ScoreScreen::check_invalidated()
 
 void Top10ScoreScreen::draw(unsigned char *buf)
 {
-       std::vector<TextDefer> td;
        scores_changed.reset_flag();
        memset(buf, 0, 800 * 600 * 4);
 
-       std::fprintf(stderr, "foo bar\n");
+       // fetch the top 10 scores
+       std::vector<TopScore> scores;
+       conn.perform(FetchTopScoresForTournament(tournament, 10, &scores));
+
+       {
+               unsigned width = my_draw_text("Today's top 10 scores", NULL, 40.0);
+               my_draw_text("Today's top 10 scores", buf, 40.0, 800/2 - width/2, 60);
+       }
+
+       // simple headings
+       my_draw_text("Player", buf, 12.0, 70, 100);
+       my_draw_text("Song", buf, 12.0, 250, 100);
+       my_draw_text("Score", buf, 12.0, 710, 100);
+       
+       unsigned row = 1, y = 140;
+       for (std::vector<TopScore>::const_iterator i = scores.begin(); i != scores.end(); ++i) {
+               char str[16];
+               unsigned r = 255, g = 255, b = 255;
+
+               // print new entries in red
+               if (seen_topscore.count(*i) == 0 && seen_topscore.size() > 0) {
+                       g = b = 0;
+               }
+
+               std::sprintf(str, "%u", row++);
+               unsigned width = my_draw_text(str, NULL, 24.0);
+               my_draw_text(str, buf, 24.0, 30 - width/2, y);
+
+               my_draw_text(i->nick, buf, 24.0, 70, y, r, g, b);
+
+               if (my_draw_text(i->title, NULL, 24.0) > 430) {
+                       my_draw_text(i->shorttitle, buf, 24.0, 250, y, r, g, b);
+               } else {
+                       my_draw_text(i->title, buf, 24.0, 250, y, r, g, b);
+               }
+               
+               std::sprintf(str, "%u", i->score);
+               width = my_draw_text(str, NULL, 24.0);
+               my_draw_text(str, buf, 24.0, 728 - width/2, y, r, g, b);
+
+               y += 40;
+       }
        
        valid = true;
-       draw_all_deferred_text(buf, td, last_text);
-       last_text = td;
+       
+       seen_topscore.erase(seen_topscore.begin(), seen_topscore.end());
+       std::copy(scores.begin(), scores.end(), std::inserter(seen_topscore, seen_topscore.end()));
 }
 
index 9e8f3c0..143c291 100644 (file)
@@ -1,14 +1,12 @@
 #ifndef _TOP10SCORESCREEN_H
 #define _TOP10SCORESCREEN_H 1
 
-#include <vector>
+#include <set>
 #include <pqxx/connection>
-#include <time.h>
-#include <sys/time.h>
 
 #include "screen.h"
 #include "flagtrigger.h"
-#include "fonts.h"
+#include "fetch_top_scores_for_tournament.h"
 
 /* A screen class showing a group in the tournament */
 class Top10ScoreScreen : public GenericScreen {
@@ -17,7 +15,7 @@ private:
        unsigned tournament;
        FlagTrigger scores_changed;
        bool valid;
-       std::vector<TextDefer> last_text;
+       std::set<TopScore> seen_topscore;
        
 public:
        Top10ScoreScreen(pqxx::connection &conn, unsigned tournament);