6 use CGI::Carp qw( fatalsToBrowser );
14 require '../config.pm';
15 require '../common.pm';
19 my $dbh = DBI->connect($config::local_connstr, $config::local_username, $config::local_password)
20 or die "connect: " . $DBI::errstr;
21 $dbh->{AutoCommit} = 0;
22 $dbh->{RaiseError} = 1;
26 binmode STDOUT, ':utf8';
30 my %ratings_stddev = ();
34 return HTML::Entities::encode_entities(shift);
39 return int(255.0 * ($x ** (1.80)));
43 my ($dbh, $season) = @_;
47 my $q = $dbh->prepare('SELECT DISTINCT(divisjon) FROM fotballserier WHERE sesong=? ORDER BY divisjon');
50 while (my $ref = $q->fetchrow_hashref) {
51 push @divisions, $ref->{'divisjon'};
57 sub get_subdivisions {
58 my ($dbh, $season, $division) = @_;
60 my @subdivisions = ();
62 my $q = $dbh->prepare('SELECT DISTINCT(avdeling) FROM fotballserier WHERE sesong=? AND divisjon=? ORDER BY avdeling');
63 $q->execute($season, $division);
65 while (my $ref = $q->fetchrow_hashref) {
66 push @subdivisions, $ref->{'avdeling'};
72 sub print_division_selector {
73 my ($dbh, $divisions, $subdivisions, $division, $subdivision) = @_;
76 <form method="get" action="/">
79 my $max_division = $divisions->[(scalar @$divisions) - 1];
83 <select name="divisjon" onchange="form.submit();">
86 for my $d (@$divisions) {
87 if ($d == $division) {
88 print " <option value=\"$d\" selected=\"selected\">$d</option>\n";
90 print " <option value=\"$d\">$d</option>\n";
97 <select name="avdeling" onchange="form.submit();">
100 for my $sd (@$subdivisions) {
101 if ($sd == $subdivision) {
102 print " <option value=\"$sd\" selected=\"selected\">$sd</option>\n";
104 print " <option value=\"$sd\">$sd</option>\n";
110 <input type="submit" value="Vis" />
116 sub get_players_and_ratings {
117 my ($dbh, $season, $division, $subdivision) = @_;
119 my $q = $dbh->prepare('SELECT fotballdeltagere.id,fotballdeltagere.navn,rating,rating_stddev FROM fotballdeltagere JOIN fotballserier ON fotballdeltagere.serie=fotballserier.nr LEFT JOIN ratings ON fotballdeltagere.id=ratings.id WHERE sesong=? AND divisjon=? AND avdeling=?');
120 $q->execute($season, $division, $subdivision);
122 while (my $ref = $q->fetchrow_hashref) {
123 my $id = $ref->{'id'};
124 $players{$id} = sanitize(Encode::decode_utf8($ref->{'navn'}));
125 $ratings{$id} = $ref->{'rating'};
126 $ratings_stddev{$id} = $ref->{'rating_stddev'};
132 my ($dbh, $season, $division, $subdivision) = @_;
135 my $q = $dbh->prepare('
137 d1.id AS p1, d2.id AS p2, maalfor AS score1, maalmot AS score2
138 FROM fotballresultater r
139 JOIN fotballserier s ON r.serie=s.nr
140 JOIN fotballdeltagere d1 ON r.lagrecno=d1.nr AND r.serie=d1.serie
141 JOIN fotballdeltagere d2 ON r.motstander=d2.nr AND r.serie=d2.serie
143 sesong=? AND divisjon=? AND avdeling=?
144 AND lagrecno > motstander
146 $q->execute($season, $division, $subdivision);
148 while (my $ref = $q->fetchrow_hashref) {
149 push @matches, [ $ref->{'p1'}, $ref->{'p2'}, $ref->{'score1'}, $ref->{'score2'} ];
156 sub get_covariance_matrix {
157 my ($dbh, @players) = @_;
159 my $player_sql = '{' . join(',', @players ) . '}';
160 my $q = $dbh->prepare('SELECT * FROM covariance WHERE player1=ANY(?::smallint[]) AND player2=ANY(?::smallint[])', { pg_prepare_now => 0 });
161 $q->execute($player_sql, $player_sql);
164 while (my $ref = $q->fetchrow_hashref) {
165 $cov->{$ref->{'player1'}}{$ref->{'player2'}} = $ref->{'cov'};
171 sub write_parms_to_file {
172 my ($aux_parms, $match_stddev, $used_ratings, $used_cov) = @_;
174 POSIX::setlocale(&POSIX::LC_ALL, 'nb_NO.UTF-8');
176 my @sorted_players = sort { $players{$a} cmp $players{$b} } keys %players;
178 POSIX::setlocale(&POSIX::LC_ALL, 'C');
180 my $tmpnam = POSIX::tmpnam();
181 open MCCALC, ">", $tmpnam
182 or die "$tmpnam: $!";
184 printf MCCALC "%f\n", $match_stddev;
185 printf MCCALC "%d\n", scalar keys %players;
187 for my $id (@sorted_players) {
188 my $rating = $used_ratings->{$id} // 500.0;
189 printf MCCALC "%s %f\n", $id, $rating;
193 for my $id1 (keys %players) {
194 for my $id2 (keys %players) {
196 printf MCCALC "%f ", ($used_cov->{$id1}{$id2} // $aux_parms->{-3});
198 printf MCCALC "%f ", ($used_cov->{$id1}{$id2} // 0.0);
204 for my $match (@matches) {
205 printf MCCALC "%s %s %d %d\n", $match->[0], $match->[1], $match->[2], $match->[3];
209 POSIX::setlocale(&POSIX::LC_ALL, 'nb_NO.UTF-8');
217 my ($aux_parms, $match_stddev, $lowest_division, $used_ratings, $used_cov, $division, $subdivision) = @_;
221 <script type="text/javascript">
223 function showScenario(element_id, url) {
224 var obj = document.getElementById(element_id);
225 var parent = obj.parentElement;
226 parent.removeChild(obj);
227 obj = obj.cloneNode(false);
229 parent.appendChild(obj);
233 <table class="probmatrix">
238 my $tmpnam = write_parms_to_file($aux_parms, $match_stddev, $used_ratings, $used_cov);
241 open MCCALC, "$config::base_dir/mcwordfeud $trials < $tmpnam |"
247 my $player = sprintf "%s (%.0f ± %.0f)", $players{$id}, ($ratings{$id} // 500.0), ($ratings_stddev{$id} // $aux_parms->{-3});
248 $prob{$player} = [ @x[1..$#x] ];
253 my $num_games = scalar keys %prob;
254 for my $i (1..$num_games) {
255 print " <th>$i.</th>\n";
257 print " <th>NEDRYKK</th>\n" unless ($lowest_division);
261 for my $player (sort { $a cmp $b } keys %prob) {
264 print " <th>$player</th>\n";
266 for my $i (1..$num_games) {
267 my $pn = $prob{$player}->[$i - 1] / $trials;
269 my $r = color(1.0 - $pn / 3);
270 my $g = color(1.0 - $pn / 3);
275 } elsif ($i >= $num_games - 1 && !$lowest_division) {
279 my $num_total_games = ($num_games * ($num_games - 1)) / 2;
280 if (scalar @matches == $num_total_games || $prob{$player}->[$i - 1] == $trials) {
281 printf " <td style=\"background-color: rgb($r, $g, $b)\" class=\"num\">%.1f%%</td>\n", $pn * 100.0;
283 printf " <td style=\"background-color: rgb($r, $g, $b)\" class=\"num\"><a class=\"unmarkedlink\" href=\"javascript:showScenario('scenario$num_tables', '/?divisjon=$division;avdeling=$subdivision;spiller=$pnum;posisjon=$i');\">%.1f%%</a></td>\n", $pn * 100.0;
287 unless ($lowest_division) {
288 my $pn = ($prob{$player}->[$num_games - 1] + $prob{$player}->[$num_games - 2]) / $trials;
291 my $g = color(1.0 - $pn / 3);
292 my $b = color(1.0 - $pn / 3);
293 printf " <td style=\"background-color: rgb($r, $g, $b)\" class=\"num\">%.1f%%</td>\n", $pn * 100.0;
301 <p class="scenario"><object id="scenario$num_tables" data="" type="text/html"></object></p>
305 sub find_avg_rating {
306 my ($ratings) = shift;
308 my $sum_rating = 0.0;
309 for my $r (values %$ratings) {
312 return $sum_rating / scalar keys %ratings;
315 sub get_auxillary_parameters {
316 my $q = $dbh->prepare('SELECT * FROM ratings WHERE id < 0');
320 while (my $ref = $q->fetchrow_hashref) {
321 $aux_parms->{$ref->{'id'}} = $ref->{'rating'};
327 my ($cgi, $title) = @_;
328 print $cgi->header(-type=>'text/html; charset=utf-8', -expires=>'now');
330 <?xml version="1.0" encoding="UTF-8" ?>
332 html PUBLIC "-//W3C//DTD XHTML 1.1//EN"
333 "http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd">
334 <html xmlns="http://www.w3.org/1999/xhtml" xml:lang="no">
336 <title>$title</title>
337 <link rel="stylesheet" href="/style" type="text/css" />
350 my $aux_parms = get_auxillary_parameters($dbh);
351 my $match_stddev = $aux_parms->{-2} * sqrt(2.0);
353 my $division = $cgi->param('divisjon') // -1;
354 my $subdivision = $cgi->param('avdeling') // -1;
355 my $match_player = $cgi->param('spiller');
356 my $match_position = $cgi->param('posisjon');
358 my $season = wloh_common::get_max_season($dbh);
359 my @divisions = get_divisions($dbh, $season);
360 $division = 1 if (!grep { $_ == $division } @divisions);
361 my @subdivisions = get_subdivisions($dbh, $season, $division);
362 $subdivision = 1 if (!grep { $_ == $subdivision } @subdivisions);
364 get_players_and_ratings($dbh, $season, $division, $subdivision);
365 @matches = get_matches($dbh, $season, $division, $subdivision);
366 my $cov = get_covariance_matrix($dbh, keys %players);
368 print_header($cgi, 'WLoH-plasseringsannsynlighetsberegning');
370 if (defined($match_player) && defined($match_position)) {
371 my $tmpnam = write_parms_to_file($aux_parms, $match_stddev, \%ratings, $cov);
377 open MCCALC, "$config::base_dir/mcwordfeud $trials $match_player $match_position < $tmpnam |"
380 /(\d+) (\d+) (-?\d+)/ or next;
382 push @scenario, [ $1, $2, $3 ];
387 my @sorted_players = sort { $players{$a} cmp $players{$b} } keys %players;
388 my $player_name = $players{$sorted_players[$match_player]};
390 if (scalar @scenario == 0) {
391 printf " <p>Fant ingen måte <strong>%s</strong> kan ende på <strong>%d.</strong> plass på.</p>\n",
392 $player_name, ($match_position + 1);
394 printf " <p>Scenario der <strong>%s</strong> ender på <strong>%d.</strong> plass:</p>\n",
395 $player_name, ($match_position + 1);
397 for my $m (@scenario) {
398 printf " <li>%s – %s: %+d</li>\n", $players{$m->[0]}, $players{$m->[1]}, $m->[2];
403 POSIX::setlocale(&POSIX::LC_ALL, 'nb_NO.UTF-8');
404 printf <<"EOF", $match_stddev;
405 <h1>WLoH-plasseringsannsynlighetsberegning</h1>
407 <p><em>Dette er et hobbyprosjekt fra tredjepart, og ikke en offisiell del av
408 <a href="http://wordfeud.aasmul.net/">Wordfeud Leage of Honour</a>.</em></p>
410 <p>Beregningen tar ikke hensyn til ujevn spillestyrke, ting som er sagt i forumet e.l.;
411 den antar at samtlige uspilte kamper trekkes fra en normalfordeling med standardavvik
412 %.1f poeng. Sannsynlighetene kan summere til andre tall enn 100%% pga. avrunding.
413 Tallene vil variere litt fra gang til gang fordi utregningen skjer ved randomisering.
414 For scenarioeksempel, klikk i en rute.</p>
416 <p>Spillerne er sortert etter nick.</p>
419 print_division_selector($dbh, \@divisions, \@subdivisions, $division, $subdivision);
421 my $max_division = $divisions[$#divisions];
422 my $lowest_division = ($division == $max_division);
423 make_table($aux_parms, $match_stddev, $lowest_division, {}, {}, $division, $subdivision);
426 <p style="clear: both; padding-top: 1em;">Under er en variant som tar relativ spillestyrke med i beregningen;
427 se <a href="/rating">ratingsiden</a>.</p>
430 make_table($aux_parms, $match_stddev, $lowest_division, \%ratings, $cov, $division, $subdivision);
432 my $avg_rating = find_avg_rating(\%ratings);
433 printf " <p style=\"clear: both; padding-top: 1em;\">Gjennomsnittlig rating i denne avdelingen er <strong>%.1f</strong>.</p>\n", $avg_rating;
435 wloh_common::output_last_sync($dbh);