NBT: Split up concerns of endianness and varint NBT into their own classes, separate stream handling from NBT class

The remaining methods, constants and fields in the NBT class now pertain to generic NBT functionality (except for the matchList()/matchTree() methods, but that's a job for another time). All NBT I/O specific logic has now been moved to NBTStream and its descendents.
This commit is contained in:
Dylan K. Taylor
2017-11-18 16:44:21 +00:00
parent 63edcb8934
commit 965c19375f
26 changed files with 588 additions and 342 deletions

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@ -29,7 +29,7 @@ use pocketmine\level\generator\Generator;
use pocketmine\level\Level;
use pocketmine\level\LevelException;
use pocketmine\math\Vector3;
use pocketmine\nbt\NBT;
use pocketmine\nbt\BigEndianNBTStream;
use pocketmine\nbt\tag\CompoundTag;
use pocketmine\nbt\tag\StringTag;
use pocketmine\scheduler\AsyncTask;
@ -48,7 +48,7 @@ abstract class BaseLevelProvider implements LevelProvider{
if(!file_exists($this->path)){
mkdir($this->path, 0777, true);
}
$nbt = new NBT(NBT::BIG_ENDIAN);
$nbt = new BigEndianNBTStream();
$nbt->readCompressed(file_get_contents($this->getPath() . "level.dat"));
$levelData = $nbt->getData()->getCompoundTag("Data");
if($levelData !== null){
@ -120,7 +120,7 @@ abstract class BaseLevelProvider implements LevelProvider{
}
public function saveLevelData(){
$nbt = new NBT(NBT::BIG_ENDIAN);
$nbt = new BigEndianNBTStream();
$nbt->setData(new CompoundTag("", [
$this->levelData
]));

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@ -32,7 +32,7 @@ use pocketmine\level\generator\Flat;
use pocketmine\level\generator\Generator;
use pocketmine\level\Level;
use pocketmine\level\LevelException;
use pocketmine\nbt\NBT;
use pocketmine\nbt\LittleEndianNBTStream;
use pocketmine\nbt\tag\{
ByteTag, CompoundTag, FloatTag, IntTag, LongTag, StringTag
};
@ -94,7 +94,7 @@ class LevelDB extends BaseLevelProvider{
if(!file_exists($this->path)){
mkdir($this->path, 0777, true);
}
$nbt = new NBT(NBT::LITTLE_ENDIAN);
$nbt = new LittleEndianNBTStream();
$nbt->read(substr(file_get_contents($this->getPath() . "level.dat"), 8));
$levelData = $nbt->getData();
if($levelData instanceof CompoundTag){
@ -217,7 +217,7 @@ class LevelDB extends BaseLevelProvider{
new StringTag("generatorOptions", $options["preset"] ?? "")
]);
$nbt = new NBT(NBT::LITTLE_ENDIAN);
$nbt = new LittleEndianNBTStream();
$nbt->setData($levelData);
$buffer = $nbt->write();
file_put_contents($path . "level.dat", Binary::writeLInt(self::CURRENT_STORAGE_VERSION) . Binary::writeLInt(strlen($buffer)) . $buffer);
@ -247,7 +247,7 @@ class LevelDB extends BaseLevelProvider{
$this->levelData->setInt("NetworkVersion", ProtocolInfo::CURRENT_PROTOCOL);
$this->levelData->setInt("StorageVersion", self::CURRENT_STORAGE_VERSION);
$nbt = new NBT(NBT::LITTLE_ENDIAN);
$nbt = new LittleEndianNBTStream();
$nbt->setData($this->levelData);
$buffer = $nbt->write();
file_put_contents($this->getPath() . "level.dat", Binary::writeLInt(self::CURRENT_STORAGE_VERSION) . Binary::writeLInt(strlen($buffer)) . $buffer);
@ -416,7 +416,7 @@ class LevelDB extends BaseLevelProvider{
throw new UnsupportedChunkFormatException("don't know how to decode chunk format version $chunkVersion");
}
$nbt = new NBT(NBT::LITTLE_ENDIAN);
$nbt = new LittleEndianNBTStream();
$entities = [];
if(($entityData = $this->db->get($index . self::TAG_ENTITY)) !== false and strlen($entityData) > 0){
@ -553,7 +553,7 @@ class LevelDB extends BaseLevelProvider{
*/
private function writeTags(array $targets, string $index){
if(!empty($targets)){
$nbt = new NBT(NBT::LITTLE_ENDIAN);
$nbt = new LittleEndianNBTStream();
$nbt->setData($targets);
$this->db->put($index, $nbt->write());
}else{

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@ -27,6 +27,7 @@ use pocketmine\level\format\Chunk;
use pocketmine\level\format\ChunkException;
use pocketmine\level\format\io\ChunkUtils;
use pocketmine\level\format\SubChunk;
use pocketmine\nbt\BigEndianNBTStream;
use pocketmine\nbt\NBT;
use pocketmine\nbt\tag\ByteArrayTag;
use pocketmine\nbt\tag\CompoundTag;
@ -83,7 +84,7 @@ class Anvil extends McRegion{
//TODO: TileTicks
$writer = new NBT(NBT::BIG_ENDIAN);
$writer = new BigEndianNBTStream();
$nbt->setName("Level");
$writer->setData(new CompoundTag("", [$nbt]));
@ -100,7 +101,7 @@ class Anvil extends McRegion{
}
public function nbtDeserialize(string $data){
$nbt = new NBT(NBT::BIG_ENDIAN);
$nbt = new BigEndianNBTStream();
try{
$nbt->readCompressed($data);

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@ -30,6 +30,7 @@ use pocketmine\level\format\io\ChunkUtils;
use pocketmine\level\format\SubChunk;
use pocketmine\level\generator\Generator;
use pocketmine\level\Level;
use pocketmine\nbt\BigEndianNBTStream;
use pocketmine\nbt\NBT;
use pocketmine\nbt\tag\{
ByteArrayTag, ByteTag, CompoundTag, IntArrayTag, IntTag, ListTag, LongTag, StringTag
@ -102,7 +103,7 @@ class McRegion extends BaseLevelProvider{
$nbt->setTag(new ListTag("TileEntities", $tiles, NBT::TAG_Compound));
$writer = new NBT(NBT::BIG_ENDIAN);
$writer = new BigEndianNBTStream();
$nbt->setName("Level");
$writer->setData(new CompoundTag("", [$nbt]));
@ -115,7 +116,7 @@ class McRegion extends BaseLevelProvider{
* @return Chunk|null
*/
public function nbtDeserialize(string $data){
$nbt = new NBT(NBT::BIG_ENDIAN);
$nbt = new BigEndianNBTStream();
try{
$nbt->readCompressed($data);
@ -258,7 +259,7 @@ class McRegion extends BaseLevelProvider{
new StringTag("LevelName", $name),
new CompoundTag("GameRules", [])
]);
$nbt = new NBT(NBT::BIG_ENDIAN);
$nbt = new BigEndianNBTStream();
$nbt->setData(new CompoundTag("", [
$levelData
]));