public JassGame(long rngSeed, Map<PlayerId, Player> players, Map<PlayerId, String> playerNames) {
        this.players = Collections.unmodifiableMap(new EnumMap<>(players));
        this.playerNames = Collections.unmodifiableMap(new EnumMap<>(playerNames));
        Random rng = new Random(rngSeed);
        this.shuffleRng = new Random(rng.nextLong());
        this.trumpRng = new Random(rng.nextLong());
        List<Card> deck = new ArrayList<Card>();
        for (Color c : Card.Color.ALL) {
            for (Rank r : Card.Rank.ALL) {
                deck.add(Card.of(c, r));
            }
        }
        Collections.shuffle(deck, shuffleRng);
        long firstPlayerHand = PackedCardSet.EMPTY;
        long secondPlayerHand = PackedCardSet.EMPTY;
        long thirdPlayerHand = PackedCardSet.EMPTY;
        long fourthPlayerHand = PackedCardSet.EMPTY;
        for (int i =0; i<9; i++) {
            PackedCardSet.add(firstPlayerHand, deck.get(i).packed());
            PackedCardSet.add(secondPlayerHand, deck.get(i+9).packed());
            PackedCardSet.add(thirdPlayerHand, deck.get(i+18).packed());
            PackedCardSet.add(fourthPlayerHand, deck.get(i+27).packed());
        }
        this.firstPlayerHand = firstPlayerHand ;
        this.secondPlayerHand = secondPlayerHand;
        this.thirdPlayerHand = thirdPlayerHand;
        this.fourthPlayerHand = fourthPlayerHand;
        PlayerId starterPlayer;
        if(PackedCardSet.contains(firstPlayerHand, PackedCard.pack(Card.Color.DIAMOND, Card.Rank.SEVEN))) {
            starterPlayer = PlayerId.PLAYER_1;
        }
        if(PackedCardSet.contains(secondPlayerHand, PackedCard.pack(Card.Color.DIAMOND, Card.Rank.SEVEN))) {
            starterPlayer = PlayerId.PLAYER_2;
        }
        if(PackedCardSet.contains(thirdPlayerHand, PackedCard.pack(Card.Color.DIAMOND, Card.Rank.SEVEN))) {
            starterPlayer = PlayerId.PLAYER_3;
        }
        if(PackedCardSet.contains(fourthPlayerHand, PackedCard.pack(Card.Color.DIAMOND, Card.Rank.SEVEN))) {
            starterPlayer = PlayerId.PLAYER_4;
        }
        Color trump = Card.Color.ALL.get(trumpRng.nextInt(4));
        this.turnState = TurnState.initial(trump, Score.INITIAL, starterPlayer);
    }