@Override
public void doPopulate(Chunk chunk) {
if (chunk.getY() >= 0 && chunk.getY() < 128) {
populateMCChunk(chunk, 0, chunk.getY(), 0);
populateMCChunk(chunk, 16, chunk.getY(), 0);
populateMCChunk(chunk, 0, chunk.getY(), 16);
populateMCChunk(chunk, 16, chunk.getY(), 16);
}
chunk.setPopulated(true);
}
private void populateMCChunk(Chunk chunk, int dx, int dy, int dz) {
if (chunk.isPopulated()) {
return;
}
int chunkX = (chunk.getX() - shiftX + dx) >> 4;
int chunkZ = (chunk.getZ() - shiftX + dz) >> 4;
DataInputStream inputStream = RegionFileCache.getChunkDataInputStream(file, chunkX, chunkZ);
if (inputStream != null) {
try {
NBTInputStream nbt = new NBTInputStream(inputStream);
CompoundTag root = (CompoundTag) nbt.readTag();
CompoundTag level = (CompoundTag) root.getValue().get("Level");
ByteArrayTag blocks = (ByteArrayTag) level.getValue().get("Blocks");
int maxY = dy + OctreeNode.CHUNK_SIZE;
if (maxY > 128) maxY = 128;
byte[] data = blocks.getValue();
for (int x = 0; x < SIZE_X; x++) {
for (int y = dy; y < maxY; y++) {
for (int z = 0; z < SIZE_Z; z++) {
int i = y + (z * SIZE_Y) + x * SIZE_Y * SIZE_Z;
if (data[i] != 0) {
chunk.setPixel(chunk.getX() + dx + x, y, chunk.getZ() + dz + z, data[i]);
}
}
}
}
} catch (IOException e) {
e.printStackTrace();
}
}
}