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<?php
namespace lucidtaz\minimax\engine;
use Closure;
use lucidtaz\minimax\game\Decision;
class DecisionWithScore
{
/**
* @var Decision
*/
public $decision = null;
* @var float
public $score;
* @var integer How deep in the execution tree this result was found. Higher
* means earlier. This is to prefer earlier solutions to later solutions
* with the same score.
public $age;
public function isBetterThan(DecisionWithScore $other): bool
if (abs($this->score - $other->score) < 0.1) {
return $this->age > $other->age;
}
return $this->score > $other->score;
public static function getBestComparator(): Closure
return function (DecisionWithScore $a, DecisionWithScore $b) {
return $a->isBetterThan($b) ? $a : $b;
};
public static function getWorstComparator(): Closure
return $b->isBetterThan($a) ? $a : $b;
LucidTaZ /
minimax
