function loadRatings()
{
$stats = file_get_contents('games.stats');
$stats = explode("\n", $stats);
$ratings = array();
foreach ($stats as $stat) {
if (empty($stat)) {
continue;
}
$stat = explode("\t", $stat);
$playerId = (int) $stat[0];
$mean = (double) $stat[1];
$stddev = (double) $stat[2];
$ratings[$playerId] = new Rating($mean, $stddev);
}
$gameInfo = new GameInfo();
$players = loadPlayers();
foreach ($players as $playerId => $playerName) {
if (!isset($ratings[$playerId])) {
$ratings[$playerId] = $gameInfo->getDefaultRating();
}
}
return $ratings;
}
private static function oneOnTwoBalancedPartialPlay($testClass, SkillCalculator $calculator)
{
$gameInfo = new GameInfo();
$p1 = new Player(1);
$team1 = new Team($p1, $gameInfo->getDefaultRating());
$p2 = new Player(2, 0.0);
$p3 = new Player(3, 1.0);
$team2 = new Team();
$team2->addPlayer($p2, $gameInfo->getDefaultRating());
$team2->addPlayer($p3, $gameInfo->getDefaultRating());
$teams = Teams::concat($team1, $team2);
$newRatings = $calculator->calculateNewRatings($gameInfo, $teams, array(1, 2));
$p1NewRating = $newRatings->getRating($p1);
$p2NewRating = $newRatings->getRating($p2);
$p3NewRating = $newRatings->getRating($p3);
// This should be roughly the same as a 1 v 1
self::assertRating($testClass, 29.39648040436841, 7.1713980703143205, $p1NewRating);
self::assertRating($testClass, 24.999560351959563, 8.333749978770932, $p2NewRating);
self::assertRating($testClass, 20.603519595631585, 7.1713980703143205, $p3NewRating);
$matchQuality = $calculator->calculateMatchQuality($gameInfo, $teams);
self::assertMatchQuality($testClass, 0.44721358745011336, $matchQuality);
}
