Slackwolf\Game\GameManager::vote PHP Method

    public function vote(Game $game, $voterId, $voteForId)
    {
        if (!$game->isPlayerAlive($voterId)) {
            return;
        }
        if (!$game->isPlayerAlive($voteForId) && ($voteForId != 'noone' || !$this->optionsManager->getOptionValue(OptionName::no_lynch)) && $voteForId != 'clear') {
            return;
        }
        if ($game->dayEnded) {
            return;
        }
        if ($game->hasPlayerVoted($voterId)) {
            //If changeVote is not enabled and player has already voted, do not allow another vote
            if (!$this->optionsManager->getOptionValue(OptionName::changevote)) {
                throw new Exception("Vote change not allowed.");
            }
            $game->clearPlayerVote($voterId);
        }
        if ($voteForId != 'clear') {
            //if voting for 'clear' just clear vote
            $game->vote($voterId, $voteForId);
        }
        $voteMsg = VoteSummaryFormatter::format($game);
        $this->sendMessageToChannel($game, $voteMsg);
        if (!$game->votingFinished()) {
            return;
        }
        $votes = $game->getVotes();
        $vote_count = [];
        foreach ($votes as $lynch_player_id => $voters) {
            if (!isset($vote_count[$lynch_player_id])) {
                $vote_count[$lynch_player_id] = 0;
            }
            $vote_count[$lynch_player_id] += count($voters);
        }
        $players_to_be_lynched = [];
        $max = 0;
        foreach ($vote_count as $lynch_player_id => $num_votes) {
            if ($num_votes > $max) {
                $max = $num_votes;
            }
        }
        foreach ($vote_count as $lynch_player_id => $num_votes) {
            if ($num_votes == $max && $lynch_player_id != 'noone') {
                $players_to_be_lynched[] = $lynch_player_id;
            }
        }
        $lynchMsg = "\r\n";
        $hunterMsg = "\r\n";
        if (count($players_to_be_lynched) == 0) {
            $lynchMsg .= ":peace_symbol: The townsfolk decided not to lynch anybody today.";
        } elseif (count($players_to_be_lynched) > 1) {
            $lynchMsg .= ":peace_symbol: The townsfolk couldn't agree on who to lynch, so nobody is hung today.";
        } else {
            $lynchMsg .= ":newspaper: With pitchforks in hand, the townsfolk killed: ";
            $lynchedNames = [];
            foreach ($players_to_be_lynched as $player_id) {
                $player = $game->getPlayerById($player_id);
                $lynchedNames[] = "@{$player->getUsername()} ({$player->role->getName()})";
                $game->killPlayer($player_id);
                if ($player->role->isRole(Role::HUNTER)) {
                    $game->setHunterNeedsToShoot(true);
                    $hunterMsg .= ":bow_and_arrow: " . $player->getUsername() . " as hunter you may shoot one person.  Type !shoot @playername, or !shoot noone.";
                }
            }
            $lynchMsg .= implode(', ', $lynchedNames) . "\r\n";
        }
        $this->sendMessageToChannel($game, $lynchMsg);
        if ($game->hunterNeedsToShoot) {
            $this->sendMessageToChannel($game, $hunterMsg);
        }
        $game->setDayEnded(true);
        $this->changeGameState($game->getId(), GameState::NIGHT);
    }