<?phpnamespace App\Game;/** Small local RNG for deterministic procedural generation on native PHP and WASM. */final class LevelRandom{ private int $state; public function __construct(int $seed) { $this->state = max(1, abs($seed) % 65521); } public function nextFloat(): float { // Same bounded integer arithmetic already proven in Run::random(). $this->state = ($this->state * 25173 + 13849) % 65521; return $this->state / 65521; } public function nextInt(int $maxExclusive): int { if ($maxExclusive <= 1) return 0; return min($maxExclusive - 1, (int)floor($this->nextFloat() * $maxExclusive)); } public function chance(float $probability): bool { return $this->nextFloat() < max(0.0, min(1.0, $probability)); }}