function bestMatch($team1players)
{
$team1players = explode(',', $team1players);
if (count($team1players) == 2) {
if ($team1players[0] == 0) {
$team1players = array($team1players[1]);
} elseif ($team1players[1] == 0) {
$team1players = array($team1players[0]);
}
}
$players = loadPlayers();
$ratings = loadRatings();
$bestScore = 0;
$bestMatch = array();
foreach ($players as $id1 => $name1) {
foreach ($players as $id2 => $name2) {
if (in_array($id1, $team1players) || in_array($id2, $team1players)) {
continue;
}
$team2players = array($id1);
if ($id1 != $id2) {
$team2players[] = $id2;
}
$score = matchScore($team1players, $team2players, $ratings);
if ($score > $bestScore) {
$bestScore = $score;
$bestMatch = $team2players;
}
}
}
return $bestMatch;
}
function ranking()
{
$players = loadPlayers();
$ratings = loadRatings();
uasort($ratings, 'compareRatings');
$result = array();
foreach ($ratings as $playerId => $rating) {
$result[] = array($playerId, $players[$playerId], round($rating->getConservativeRating() * 100));
}
return $result;
}
function updateStats($time, $team1players, $team2players, $scores, $enableLogging = true)
{
$scores = explode(',', $scores);
if (count($scores) == 2 && $scores[0] == $scores[1]) {
return 'Draws are not supported.';
}
$team1players = explode(',', $team1players);
if (count($team1players) == 2) {
if ($team1players[0] == 0) {
$team1players = array($team1players[1]);
} elseif ($team1players[1] == 0) {
$team1players = array($team1players[0]);
}
}
$team2players = explode(',', $team2players);
if (count($team2players) == 2) {
if ($team2players[0] == 0) {
$team2players = array($team2players[1]);
} elseif ($team2players[1] == 0) {
$team2players = array($team2players[0]);
}
}
if ($enableLogging) {
file_put_contents('games.log', $time . "\t" . join(',', $team1players) . "\t" . join(',', $team2players) . "\t" . join(',', $scores) . "\n", FILE_APPEND);
}
$gameInfo = new GameInfo();
$ratings = loadRatings();
$team1 = new Team();
foreach ($team1players as $playerId) {
$player = new Player($playerId);
$team1->addPlayer($player, $ratings[$playerId]);
}
$team2 = new Team();
foreach ($team2players as $playerId) {
$player = new Player($playerId);
$team2->addPlayer($player, $ratings[$playerId]);
}
$teams = Teams::concat($team1, $team2);
$calculator = new TwoTeamTrueSkillCalculator();
$winner = count($scores) == 1 ? $scores : ($scores[0] > $scores[1] ? 1 : 2);
$newRatings = $calculator->calculateNewRatings($gameInfo, $teams, $winner == 1 ? array(1, 2) : array(2, 1));
foreach ($newRatings->getAllPlayers() as $player) {
$rating = $newRatings->getRating($player);
$ratings[$player->getId()] = $rating;
}
$stats = array();
foreach ($ratings as $playerId => $rating) {
$stats[] = $playerId . "\t" . $rating->getMean() . "\t" . $rating->getStandardDeviation();
file_put_contents('players.stats', $time . "\t" . $playerId . "\t" . $rating->getConservativeRating() . "\n", FILE_APPEND);
}
file_put_contents('games.stats', join("\n", $stats));
return 'OK';
}
