/**
* Get best line
*
* @param $type
*/
protected function getWinLine($type)
{
$oppositeType = Cell::getOppositeType($type);
if ($this->winCounts[$type] < $this->winCounts[$oppositeType]) {
return $this->winLines[$oppositeType];
} else {
return $this->winLines[$type];
}
}
/**
* Just put first free cell on board
*/
public function getCell(Board $board, $type)
{
$free = $board->getFreeCell();
if (empty($free)) {
ExceptionFactory::runtime("Not have free cells");
}
$position = $this->getPosition($board, $type);
switch ($type) {
case Cell::TIC:
$cell = Cell::createTic($position);
break;
default:
$cell = Cell::createTac($position);
}
return $cell;
}
/**
* Add cell only on free and exist cell
*
* @param Cell $cell
*/
public function addCell(Cell $cell)
{
if (!isset($this->kitCells[$cell->getPosition()])) {
ExceptionFactory::positionOutOfRangeException($cell->getPosition());
}
if (!empty($this->kitCells[$cell->getPosition()])) {
ExceptionFactory::positionAlreadyExistException($cell->getPosition());
}
$this->kitCells[$cell->getPosition()] = $cell;
}
/**
* One step
*
* @param $type
* @param $position
*
* @throws Exception\WrongCellException
*/
public function step($type, $position)
{
switch ($type) {
case Cell::TIC:
$cell = Cell::createTic($position);
break;
case Cell::TAC:
$cell = Cell::createTac($position);
break;
default:
throw ExceptionFactory::wrongCellException($type);
break;
}
// Human step
$this->board->addCell($cell);
if ($this->board->isFinish()) {
return;
}
// Strategy step
$cell = $this->strategy->getCell($this->board, $this->oppositeType);
$this->board->addCell($cell);
}
/**
* @param Cell $cell
*/
public function addCell(Cell $cell)
{
$this->count[$cell->getType()]++;
}