public function createPieces(Game $game)
{
$pieces = array();
$player = $game->getPlayer('white');
// Bishop on black square
$file = 2 * mt_rand(1, 4) - 1;
$pieces[$file] = $this->createPiece('Bishop', $file, 1);
// Bishop on white square
$file = 2 * mt_rand(1, 4);
$pieces[$file] = $this->createPiece('Bishop', $file, 1);
// Queen and Knights
foreach (array(6 => 'Queen', 5 => 'Knight', 4 => 'Knight') as $rand => $class) {
$file = $this->getEmptyFile($pieces, mt_rand(1, $rand));
$pieces[$file] = $this->createPiece($class, $file, 1);
}
// Rooks and King
foreach (array('Rook', 'King', 'Rook') as $class) {
$file = $this->getEmptyFile($pieces, 1);
$pieces[$file] = $this->createPiece($class, $file, 1);
}
// Pawns
for ($it = 1; $it <= 8; $it++) {
$pieces[] = $this->createPiece('Pawn', $it, 2);
}
$pieces = array_values($pieces);
$player->setPieces($pieces);
$player->getOpponent()->setPieces($this->mirrorPieces($pieces));
$game->ensureDependencies();
$game->setInitialFen(Forsyth::export($game));
}
protected function fewMaterial(Game $game)
{
$white = $game->getPlayer('white');
$black = $game->getPlayer('black');
$whiteNbPieces = $white->getNbAlivePieces();
$blackNbPieces = $black->getNbAlivePieces();
if (2 < $whiteNbPieces || 2 < $blackNbPieces) {
return false;
}
$whitePiece = $this->getLastPiece($white);
$blackPiece = $this->getLastPiece($black);
if ($this->canNotMate($white) && $this->canNotMate($black)) {
return true;
}
return false;
}
public function createPiecesMinimal(Game $game)
{
$pieces = array();
$player = $game->getPlayer('white');
$pieces[] = new Piece(1, 2, 'Pawn');
$player->setPieces($pieces);
$player->getOpponent()->setPieces($this->mirrorPieces($pieces));
$game->setInitialFen(null);
}
protected function getPgnResult(Game $game)
{
if ($game->getIsFinished()) {
if ($game->getPlayer('white')->getIsWinner()) {
return '1-0';
} elseif ($game->getPlayer('black')->getIsWinner()) {
return '0-1';
}
return '1/2-1/2';
}
return '*';
}
protected function win(Game $game, $color = 'white')
{
$game->setStatus(Game::MATE);
$game->setWinner($game->getPlayer($color));
$this->finisher->finish($game);
}
/**
* Create a game from a visual block notation like:
r bqkb r
ppp ppp
p n n
p
B P
N
PPPP PPP
RNBQK R
*/
public function createGameFromVisualBlock($data)
{
$data = $this->fixVisualBlock($data);
$game = new Game();
$players = array();
foreach (array('white', 'black') as $color) {
$game->addPlayer(new Player($color));
}
$game->setCreator($game->getPlayer('white'));
foreach (explode("\n", $data) as $_y => $line) {
$y = 8 - $_y;
for ($x = 1; $x < 9; $x++) {
$byte = $line[$x - 1];
if (' ' === $byte) {
continue;
}
$color = ctype_lower($byte) ? 'black' : 'white';
$player = $game->getPlayer($color);
switch (strtolower($byte)) {
case 'p':
$class = 'Pawn';
break;
case 'r':
$class = 'Rook';
break;
case 'n':
$class = 'Knight';
break;
case 'b':
$class = 'Bishop';
break;
case 'q':
$class = 'Queen';
break;
case 'k':
$class = 'King';
break;
}
$player->addPiece(new Piece($x, $y, $class));
}
}
return $game;
}
/**
* @depends testGameCreationStandard
*/
public function testPlayerQueens(Document\Game $game)
{
$player = $game->getPlayer('white');
$queens = $player->getPiecesByClass('Queen');
$this->assertTrue($queens[0] instanceof Document\Piece\Queen);
$this->assertEquals(1, $queens[0]->getY());
$this->assertEquals(1, count($queens));
$this->assertSame($player, $queens[0]->getPlayer());
$this->assertTrue($queens[0]->isClass('Queen'));
$this->assertFalse($queens[0]->getIsDead());
}
public function rematchAccept(Player $player, Game $nextGame, array $messages)
{
// tell players to move to next game
$this->post('rematch-accept/' . $this->gameColorUrl($player) . '/' . $nextGame->getId(), array("whiteRedirect" => $this->url('lichess_player', array('id' => $nextGame->getPlayer('black')->getFullId())), "blackRedirect" => $this->url('lichess_player', array('id' => $nextGame->getPlayer('white')->getFullId())), "entry" => $this->encodeLobbyEntry($nextGame), "messages" => $this->encodeMessages($messages)));
}
protected function updateElo(Game $game)
{
// Game can be aborted
if (!$game->getIsFinished()) {
return;
}
if (!$game->getIsRated()) {
return;
}
// Don't rate games with less than 2 moves
if ($game->getTurns() < 2) {
return;
}
$white = $game->getPlayer('white');
$black = $game->getPlayer('black');
$whiteUser = $white->getUser();
$blackUser = $black->getUser();
// Don't rate games when one ore more player is not registered
if (!$whiteUser || !$blackUser) {
return;
}
if ($winner = $game->getWinner()) {
$win = $winner->isWhite() ? -1 : 1;
} else {
$win = 0;
}
list($whiteElo, $blackElo) = $this->calculator->calculate($white->getElo(), $black->getElo(), $win);
$white->setEloDiff($whiteEloDiff = $whiteElo - $white->getElo());
$black->setEloDiff($blackEloDiff = $blackElo - $black->getElo());
$this->eloUpdater->updateElo($whiteUser, $whiteUser->getElo() + $whiteEloDiff, $game);
$this->eloUpdater->updateElo($blackUser, $blackUser->getElo() + $blackEloDiff, $game);
$this->logger->notice($game, sprintf('Elo exchanged: %s', $whiteEloDiff));
}