hearthstone global level

hs-death-level.php

<?php declare(strict_types = 1);


$game = new GameState(5000);

for ($i = 0; $i < 100; $i++) {
    $game->step(100);
}
$game->resetDeathLevels();
for ($i = 0; $i < 1000; $i++) {
    $game->step(100);
}
$deathLevels = $game->getDeathLevels();

echo "<h3>Stats:</h3>\n";
foreach ($deathLevels as $level => $deaths) {
    echo "Level " . str_pad((string)$level, 2, '0', STR_PAD_LEFT) . ": " . str_pad(number_format($deaths / 1000, 2), 5, '0', STR_PAD_LEFT) . "%<br/>\n";
}
echo "<br/><br/><h4>Merry Christmas!</h4><br/>\n";


class GameState
{
    private $playersState = [];

    private $deathLevels = [];

    public function __construct(int $startNumber)
    {
        $this->playersState[0] = [];
        $this->playersState[0][0] = $startNumber;
    }

    public function step(int $newNumber)
    {
        if (!isset($this->playersState[0][0])) {
            $this->playersState[0][0] = 0;
        }
        $this->playersState[0][0] += $newNumber;

        $this->playersState = $this->playStep($this->playersState);
        $this->playersState = $this->cleanUp($this->playersState);
    }

    private function playStep($playersState)
    {
        $newPlayersState = [];
        foreach ($playersState as $playLevel => $playersDeathState) {
            foreach ($playersDeathState as $deaths => $players) {
                if (!isset($newPlayersState[$playLevel])) {
                    $newPlayersState[$playLevel] = [];
                }
                if (!isset($newPlayersState[$playLevel][$deaths + 1])) {
                    $newPlayersState[$playLevel][$deaths + 1] = 0;
                }
                $newPlayersState[$playLevel][$deaths + 1] += $players / 2;

                if (!isset($newPlayersState[$playLevel + 1])) {
                    $newPlayersState[$playLevel + 1] = [];
                }
                if (!isset($newPlayersState[$playLevel + 1][$deaths])) {
                    $newPlayersState[$playLevel + 1][$deaths] = 0;
                }
                $newPlayersState[$playLevel + 1][$deaths] += $players / 2;
            }
        }
        return $newPlayersState;
    }


    private function cleanUp($playersState)
    {
        $newPlayersState = [];
        foreach ($playersState as $playLevel => $playersDeathState) {
            if ($playLevel >= 12) {
                if (!isset($this->deathLevels[$playLevel])) {
                    $this->deathLevels[$playLevel] = 0;
                }
                $this->deathLevels[$playLevel] += array_sum($playersDeathState);
                $newPlayersState[$playLevel] = [];
            } else {
                foreach ($playersDeathState as $deaths => $players) {
                    if ($deaths >= 3) {
                        if (!isset($this->deathLevels[$playLevel])) {
                            $this->deathLevels[$playLevel] = 0;
                        }
                        $this->deathLevels[$playLevel] += $players;
                        $newPlayersState[$playLevel][$deaths] = 0;
                    } else {
                        $newPlayersState[$playLevel][$deaths] = $players;
                    }
                }
            }
        }

        return $newPlayersState;
    }

    public function resetDeathLevels()
    {
        $this->deathLevels = [];
    }

    public function getDeathLevels()
    {
        return $this->deathLevels;
    }

}