public function actionQuit()
{
$id = Yii::app()->request->getParam('id');
if (!$this->_userinfo()) {
$this->json_return(false, 'need_login', '/?refer=' . urlencode($this->createUrl('tournament/detail', array('id' => $id))));
}
$tournament = Tournament::model()->findByPk($id);
if (!$tournament || $tournament->status != 'signing') {
$this->json_return(false, '只有尚未开始的比赛才能取消报名。');
}
$joined = Tournament_join::model()->find("tid={$id} and uid=" . $this->_userinfo()->id);
if (!$joined) {
$this->json_return(false, '您还没有报过名。');
}
$quit_sn = $joined->t_sn;
$joined->delete();
Tournament_join::model()->getDbConnection()->createCommand('update tournament_join set t_sn=t_sn-1 where t_sn>' . $quit_sn . ' and tid=' . $id)->execute();
TournamentTool::setUpTournament($tournament);
$this->json_return(true);
}
/**
*
* 结束棋局，设置棋局状态，结算分数。
* @param Games $game
* @param int $result 1黑胜 0.5和棋 0 白胜
*/
public static function do_over($game, $result)
{
if ($game->status != '进行中') {
return false;
}
$moves = strlen($game->game_record) / 2;
switch ($result) {
case 1:
$game->bplayer->b_win++;
$game->wplayer->w_lose++;
$game->status = '黑胜';
break;
case 0:
$game->bplayer->b_lose++;
$game->wplayer->w_win++;
$game->status = '白胜';
break;
case 0.5:
$game->bplayer->draw++;
$game->wplayer->draw++;
$game->status = '和棋';
break;
}
$game->bplayer->games++;
$game->wplayer->games++;
$game->movetime = date('Y-m-d H:i:s');
$game->save();
//对局量前50局,K值取30,然后,一般取20-15之间,等级分达到2400后K值取10 TODO
//惩罚性规则：如果手数小于16，则变动系数K降为5,如果手数小于5，则降为1。
$k_black = 30;
$k_white = 30;
if ($game->bplayer->games >= 50) {
$k_black = 16;
}
if ($game->wplayer->games >= 50) {
$k_white = 16;
}
if ($game->bplayer->score >= 2400) {
$k_black = 10;
}
if ($game->wplayer->score >= 2400) {
$k_white = 10;
}
if ($moves < 5) {
$k_black = 1;
$k_white = 1;
}
$before_black_score = $game->bplayer->score;
$before_white_score = $game->wplayer->score;
$we = 1 / (1 + pow(10, ($before_white_score - $before_black_score) / 400));
$delta_black = $k_black * ($result - $we);
/*记录积分变动log*/
$log = new Score_log();
$log->game_id = $game->id;
$log->player_id = $game->black_id;
$log->op_id = $game->white_id;
$log->before_score = $before_black_score;
$log->op_score = $before_white_score;
$log->k_val = $k_black;
$log->delta_score = $delta_black;
$log->after_score = $before_black_score + $delta_black;
$log->save();
/*记录积分变动log end */
$game->bplayer->score = $log->after_score;
//$game->bplayer->score + $delta_black;
$game->bplayer->save();
$delta_white = -1 * $k_white * ($result - $we);
/*记录积分变动log*/
$log = new Score_log();
$log->game_id = $game->id;
$log->player_id = $game->white_id;
$log->op_id = $game->black_id;
$log->before_score = $before_white_score;
$log->op_score = $before_black_score;
$log->k_val = $k_white;
$log->delta_score = $delta_white;
$log->after_score = $before_white_score + $delta_white;
$log->save();
/*记录积分变动log end */
$game->wplayer->score = $log->after_score;
//$game->wplayer->score + $delta_white;
$game->wplayer->save();
//如果是比赛，调用一下比赛结束
if ($game->tid) {
TournamentTool::end_tournament($game->tid);
}
}
