chunk.java

            @Override
            public byte[][] generateBlockSections(World world, Random random, int x1, int z1, BiomeGrid biomes) {
                byte[][] bytes = new byte[16][16 * 16 * 16];
                for (int i = 0; i <= 16; i++) {
                    int index = 0;
                    for (int x = 0; x <= 16; x++) {
                        for (int z = 0; z <= 16; z++) {
                            for (int y = 0; y <= 16; y++) {
                                bytes[i][index] = 1;
                                index++;
                            }
                        }
                    }
                }
                return bytes;
            }