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- public class ChunkTestCommand implements CommandExecutor {
- @Override
- public boolean onCommand(CommandSender sender, Command command, String label, String[] args) {
- Player player = (Player) sender;
- // This sample code is only for empty light array. If you need to send non-empty light array, additional code is needed.
- User packetUser = PacketEvents.getAPI().getPlayerManager().getUser(player);
- int y = packetUser.getTotalWorldHeight() >> 4;
- List<BaseChunk> chunks = new ArrayList<>();
- for (int i = 0; i < y; i++) {
- Chunk_v1_18 baseChunk = new Chunk_v1_18();
- baseChunk.set(1 & 0xF, 1 & 0xF, 1 & 0xF, WrappedBlockState.getDefaultState(StateTypes.AIR));
- baseChunk.set(5 & 0xF, 5 & 0xF, 5 & 0xF, WrappedBlockState.getDefaultState(StateTypes.TORCH));
- for (int j = 0; j < 4; j++) {
- for (int k = 0; k < 4; k++) {
- for (int l = 0; l < 4; l++) {
- //baseChunk.getBiomeData().set(j, k, l, 0); //TODO: Seems like packet events are bugged on biome data pallet.
- int id = baseChunk.getBiomeData().palette.stateToId(2); // Basalt deltas biome // Checked on 1.20.6
- baseChunk.getBiomeData().storage.set((k << 2 | l) << 2 | j, id); //Bits per
- }
- }
- }
- chunks.add(baseChunk);
- }
- Column column = new Column(player.getLocation().getChunk().getX(), player.getLocation().getChunk().getZ(), true, chunks.toArray(new BaseChunk[0]), null);
- LightData lightData = new LightData();
- byte[][] emptyLightArray = new byte[y][0];
- BitSet emptyBitSet = new BitSet();
- BitSet lightBitSet = new BitSet(); // Empty Bit Set
- for (int i = 0; i < y; i++) {
- // If you have non-empty light array, you need to write it here.
- //lightArray[i] = light array;
- // BitSets are very important!!
- // If there is a non-empty light array, it needs to be set correctly.
- // However, this time we are only sending an empty light array.
- // so here, simply setting emptyBitSet to true is enough.
- emptyBitSet.set(i, true);
- }
- lightData.setBlockLightArray(emptyLightArray);
- lightData.setSkyLightArray(emptyLightArray);
- lightData.setBlockLightCount(y);
- lightData.setSkyLightCount(y);
- lightData.setBlockLightMask(lightBitSet);
- lightData.setSkyLightMask(lightBitSet);
- lightData.setEmptyBlockLightMask(emptyBitSet);
- lightData.setEmptySkyLightMask(emptyBitSet);
- WrapperPlayServerChunkData chunkData = new WrapperPlayServerChunkData(column, lightData);
- packetUser.sendPacket(chunkData);
- return true;
- }
- }
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