Collection<Chunk> chunks = null;
List<ProtocolEvent> events = new ArrayList<ProtocolEvent>();
if (activeColumns.add(x, z)) {
Point p = c.getBase();
int[][] heights = getColumnHeights(p);
BlockMaterial[][] materials = getColumnTopmostMaterials(p);
byte[][] packetChunkData = new byte[16][];
for (int cube = 0; cube < 16; cube++) {
int serverCube = rm.getInverse().convertChunkY(cube);
Point pp = new Point(c.getWorld(), x << Chunk.BLOCKS.BITS, serverCube << Chunk.BLOCKS.BITS, z << Chunk.BLOCKS.BITS);
packetChunkData[cube] = chunkInit.getChunkData(heights, materials, pp, events);
}
Chunk chunk = p.getWorld().getChunkFromBlock(p, LoadOption.LOAD_ONLY);
byte[] biomeData = new byte[Chunk.BLOCKS.AREA];