Survival.java

    public static double processRiskGauge(Player player, Creature entity, double damage) {
        final CustomMob type = CustomMob.getType(entity);
        if (entity instanceof Animals && type == null) {
            return damage;
        }
        final int playerDifficulty = getPlayerDifficulty(player);

        /*
            ===========
            Risk Gauge
            ===========
            If player is hitting entity that has no chance of reaching the player, we will
            penalize or teleport the entity, making it fair.
         */
        long now = System.currentTimeMillis();
        boolean isLowRisk;

        boolean isRanged = entity.getType() == EntityType.SKELETON || entity.getType() == EntityType.WITHER ||
            entity.getType() == EntityType.GHAST || type == Marlix.MARLIX;

        if (player.getGameMode() == GameMode.CREATIVE) {
            isLowRisk = false;
        } else if (!isRanged) {
            EntityMoveApi.setEntityDestination(entity, player);
            boolean hasAPath = EntityMoveApi.hasEntityPath(entity);
            Location dest = EntityMoveApi.getEntityPathDestination(entity);
            boolean canReachPlayer = false;
            if (dest != null) {
                final double distanceFromDestToPlayer = player.getLocation().distance(dest);
                final double distanceFromPlayerToEntity = player.getLocation().distance(entity.getLocation());
                canReachPlayer = !(distanceFromDestToPlayer > 2 && distanceFromPlayerToEntity < 4);
            }
            isLowRisk = !hasAPath || !canReachPlayer;
        } else {
            isLowRisk = !entity.hasLineOfSight(player);
        }
        if (isLowRisk) {
            final Long lastCheap = Util.getMetadata(entity, TempMetaKey.LAST_CHEAP_HIT);
            Long totalCheap = Util.incrementMetadata(entity, TempMetaKey.TOTAL_CHEAP_HITS, 1L);
            if (lastCheap != null) {
                if (isRanged) {
                    if (type != null || now - lastCheap < 7000) {
                        damage = 0;
                        Util.showError(player, 7000,
                            "&cIt appears that Monster is having trouble getting to you... It resisted the attack.");
                    }
                } else if (type instanceof MiniBoss || playerDifficulty > 7) {
                    // 8,9,10 will teleport entity to player if they are not at risk
                    entity.teleport(player.getLocation().add(0, .5, 0));
                    Util.showError(player, 7000,
                        "&cIt appears that Monster is having trouble getting to you... It has been drawn to you.");
                } else if (totalCheap > 1) {
                    // 5,6,7 will nerf the entities score
                    modifyEntityScore(entity, (-damage) * totalCheap);
                    if (type != null) {
                        Util.showError(player, 7000,
                            "&cIt appears that Monster is having trouble getting to you... Extra rewards chance reduced.");
                    }
                }
            }

            Util.setMetadata(entity, TempMetaKey.LAST_CHEAP_HIT, now);
        }

        return damage;
    }