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FastChunkSerializer: retain emptyBlock on subchunks

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I think we should probably get rid of this considering the potential for inconsistencies within a chunk, but not retaining this is a bug nonetheless, even though it doesn't have any effect in PM itself since we always use BlockLegacyIds << 4 as the empty block ID.

so, this is only really aiding (ab)use cases which weren't intended anyway ...
This commit is contained in:
Dylan K. Taylor
2020-11-27 13:41:35 +00:00
parent 4e94025b3b
commit 0a7d81a2b0
2 changed files with 9 additions and 2 deletions
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5
src/world/format/io/FastChunkSerializer.php
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@ -23,7 +23,6 @@ declare(strict_types=1);
namespace pocketmine\world\format\io;
use pocketmine\block\BlockLegacyIds;
use pocketmine\utils\BinaryStream;
use pocketmine\world\format\BiomeArray;
use pocketmine\world\format\Chunk;
@ -77,6 +76,7 @@ final class FastChunkSerializer{
foreach($subChunks as $y => $subChunk){
$stream->putByte($y);
$stream->putInt($subChunk->getEmptyBlockId());
$layers = $subChunk->getBlockLayers();
$stream->putByte(count($layers));
foreach($layers as $blocks){
@ -126,6 +126,7 @@ final class FastChunkSerializer{
$count = $stream->getByte();
for($subCount = 0; $subCount < $count; ++$subCount){
$y = $stream->getByte();
$airBlockId = $stream->getInt();
/** @var PalettedBlockArray[] $layers */
$layers = [];
@ -137,7 +138,7 @@ final class FastChunkSerializer{
$layers[] = PalettedBlockArray::fromData($bitsPerBlock, $words, $palette);
}
$subChunks[$y] = new SubChunk(
BlockLegacyIds::AIR << 4, $layers, $lightPopulated ? new LightArray($stream->get(2048)) : null, $lightPopulated ? new LightArray($stream->get(2048)) : null
$airBlockId, $layers, $lightPopulated ? new LightArray($stream->get(2048)) : null, $lightPopulated ? new LightArray($stream->get(2048)) : null
);
}