/**
     * Calculates a random location (based on player location) in certain radius
     *
     * @param player - target
     * @param radius - certain radius
     * @return a random location
     */
    private Location getRandomLocationAroundPlayer(Player player, int radius) {
        ThreadLocalRandom random = ThreadLocalRandom.current();

        Location output = player.getLocation().clone();

        int randomX = (random.nextBoolean() ? 1 : -1) * random.nextInt(radius);
        int randomZ = (random.nextBoolean() ? 1 : -1) * random.nextInt(radius);

        return output.add(randomX, 0.0D, randomZ);
    }

    /**
     * Checks if a place around given location is clear for entity model
     *
     * @param location - certain location
     * @return true if place is clear of false
     */
    private boolean aroundIsClear(Location location) {
        BlockFace[] faces =  new BlockFace[] { BlockFace.NORTH, BlockFace.EAST, BlockFace.SOUTH,
                BlockFace.WEST, BlockFace.UP };

        for (BlockFace blockFace : faces) {
            Block relative = location.getBlock().getRelative(blockFace);
            if (relative.getType() != Material.AIR)
                return false;
        }

        return true;
    }