Challenges selection code for DoomKrakken

    Array<string> unselectedChallenges;

    void PopulateUnselectedChallenges () {
        unselectedChallenges.Clear ();

        if (TwoFer                     ) unselectedChallenges.Push ("TwoFer"                     );
        if (VarietyIsTheSpiceOfDeathI  ) unselectedChallenges.Push ("VarietyIsTheSpiceOfDeathI"  );
        if (QuiteTheExplorer           ) unselectedChallenges.Push ("QuiteTheExplorer"           );
        if (ThreeZombiesOneBarrel      ) unselectedChallenges.Push ("ThreeZombiesOneBarrel"      );
        if (CurbStomp                  ) unselectedChallenges.Push ("CurbStomp"                  );
        if (QuiteTheCollector          ) unselectedChallenges.Push ("QuiteTheCollector"          );
        if (WalkThePath                ) unselectedChallenges.Push ("WalkThePath"                );
        if (BirdsEyeView               ) unselectedChallenges.Push ("BirdsEyeView"               );
        if (ToBeKnighted               ) unselectedChallenges.Push ("ToBeKnighted"               );
        if (Chiropractor               ) unselectedChallenges.Push ("Chiropractor"               );
        if (SearchingHighAndLow        ) unselectedChallenges.Push ("SearchingHighAndLow"        );
        if (Overkiller                 ) unselectedChallenges.Push ("Overkiller"                 );
        if (DeadManStalking            ) unselectedChallenges.Push ("DeadManStalking"            );
        if (MomentumSwing              ) unselectedChallenges.Push ("MomentumSwing"              );
        if (CloseEncounters            ) unselectedChallenges.Push ("CloseEncounters"            );
        if (DoubleTake                 ) unselectedChallenges.Push ("DoubleTake"                 );
        if (HideAndSeek                ) unselectedChallenges.Push ("HideAndSeek"                );
        if (VarietyIsTheSpiceOfDeathII ) unselectedChallenges.Push ("VarietyIsTheSpiceOfDeathII" );
        if (ThreadTheNeedle            ) unselectedChallenges.Push ("ThreadTheNeedle"            );
        if (AtopTheMountain            ) unselectedChallenges.Push ("AtopTheMountain"            );
        if (Dominator                  ) unselectedChallenges.Push ("Dominator"                  );
        if (APinPopsABalloon           ) unselectedChallenges.Push ("APinPopsABalloon"           );
        if (TwoMouthsToFeed            ) unselectedChallenges.Push ("TwoMouthsToFeed"            );
        if (WaitForIt                  ) unselectedChallenges.Push ("WaitForIt"                  );
        if (VarietyIsTheSpiceOfDeathIII) unselectedChallenges.Push ("VarietyIsTheSpiceOfDeathIII");
        if (GorePinata                 ) unselectedChallenges.Push ("GorePinata"                 );
        if (MyTeethAreSharper          ) unselectedChallenges.Push ("MyTeethAreSharper"          );
        if (HoldStill                  ) unselectedChallenges.Push ("HoldStill"                  );
        if (BigREDACTEDGun             ) unselectedChallenges.Push ("BigREDACTEDGun"             );
    }

    string SelectNewChallenge () {
        if (unselectedChallenges.Size () < 1)
            return "";

        int idx = random [EOA_ChallengeSelection] (0, unselectedChallenges.Size () - 1);
        string ret = unselectedChallenges [idx];
        unselectedChallenges.Delete (idx, 1);

        return ret;
    }

    int RollNewChallenges () {
        PopulateUnselectedChallenges ();

        int challengesCount = 0;
        for (int i = 0; i < 3; i++) {
            string selectedChallenge = SelectNewChallenge ();

            // If selectedChallenge is an empty string, there's no challenges to be selected.
            if (selectedChallenge ~== "")
                break;

            for (int j = 0; j < MAXPLAYERS; j++) {
                PlayerInfo player = players [j];

                if (player && player.mo && playeringame [j])
                    player.mo.GiveInventory (String.Format ("%sChallenge", selectedChallenge), 1);
            }

            challengesCount++
        }

        return challengesCount;
    }