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LevelDB: Mark chunks as changed when upgraded from an older chunk format

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This commit is contained in:
Dylan K. Taylor 2019-03-08 13:55:56 +00:00
parent c0bed03a2a
commit 414104851a
1 changed files with 6 additions and 0 deletions
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6
src/pocketmine/level/format/io/leveldb/LevelDB.php
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@ -311,6 +311,7 @@ class LevelDB extends BaseLevelProvider{
$lightPopulated = true; $lightPopulated = true;
$chunkVersion = ord($this->db->get($index . self::TAG_VERSION)); $chunkVersion = ord($this->db->get($index . self::TAG_VERSION));
$hasBeenUpgraded = $chunkVersion < self::CURRENT_LEVEL_CHUNK_VERSION;
$binaryStream = new BinaryStream(); $binaryStream = new BinaryStream();
@ -326,6 +327,9 @@ class LevelDB extends BaseLevelProvider{
$binaryStream->setBuffer($data, 0); $binaryStream->setBuffer($data, 0);
$subChunkVersion = $binaryStream->getByte(); $subChunkVersion = $binaryStream->getByte();
if($subChunkVersion < self::CURRENT_LEVEL_SUBCHUNK_VERSION){
$hasBeenUpgraded = true;
}
switch($subChunkVersion){ switch($subChunkVersion){
case 0: case 0:
@ -334,6 +338,7 @@ class LevelDB extends BaseLevelProvider{
if($chunkVersion < 4){ if($chunkVersion < 4){
$blockSkyLight = $binaryStream->get(2048); $blockSkyLight = $binaryStream->get(2048);
$blockLight = $binaryStream->get(2048); $blockLight = $binaryStream->get(2048);
$hasBeenUpgraded = true; //drop saved light
}else{ }else{
//Mojang didn't bother changing the subchunk version when they stopped saving sky light -_- //Mojang didn't bother changing the subchunk version when they stopped saving sky light -_-
$blockSkyLight = ""; $blockSkyLight = "";
@ -453,6 +458,7 @@ class LevelDB extends BaseLevelProvider{
$chunk->setGenerated(true); $chunk->setGenerated(true);
$chunk->setPopulated(true); $chunk->setPopulated(true);
$chunk->setLightPopulated($lightPopulated); $chunk->setLightPopulated($lightPopulated);
$chunk->setChanged($hasBeenUpgraded); //trigger rewriting chunk to disk if it was converted from an older format
return $chunk; return $chunk;
} }