From 8cb24547ff2b3e385647ba4cfeffb6bea9231570 Mon Sep 17 00:00:00 2001
From: "Dylan K. Taylor" <odigiman@gmail.com>
Date: Sun, 3 Mar 2019 19:02:18 +0000
Subject: [PATCH] Goodbye McRegion o/

---
 .../level/format/io/region/McRegion.php       | 41 ++-----------------
 1 file changed, 3 insertions(+), 38 deletions(-)

diff --git a/src/pocketmine/level/format/io/region/McRegion.php b/src/pocketmine/level/format/io/region/McRegion.php
index 194662a84..4059a4895 100644
--- a/src/pocketmine/level/format/io/region/McRegion.php
+++ b/src/pocketmine/level/format/io/region/McRegion.php
@@ -26,60 +26,25 @@ namespace pocketmine\level\format\io\region;
 use pocketmine\level\format\Chunk;
 use pocketmine\level\format\io\ChunkUtils;
 use pocketmine\level\format\io\exception\CorruptedChunkException;
-use pocketmine\level\format\io\WritableLevelProvider;
 use pocketmine\level\format\SubChunk;
 use pocketmine\nbt\BigEndianNbtSerializer;
-use pocketmine\nbt\NBT;
 use pocketmine\nbt\NbtDataException;
 use pocketmine\nbt\tag\ByteArrayTag;
-use pocketmine\nbt\tag\CompoundTag;
 use pocketmine\nbt\tag\IntArrayTag;
 use pocketmine\nbt\tag\ListTag;
 use function str_repeat;
 use function substr;
 
-class McRegion extends RegionLevelProvider implements WritableLevelProvider{
+class McRegion extends RegionLevelProvider{
 
 	/**
 	 * @param Chunk $chunk
 	 *
 	 * @return string
+	 * @throws \RuntimeException
 	 */
 	protected function serializeChunk(Chunk $chunk) : string{
-		$nbt = new CompoundTag("Level", []);
-		$nbt->setInt("xPos", $chunk->getX());
-		$nbt->setInt("zPos", $chunk->getZ());
-
-		$nbt->setLong("LastUpdate", 0); //TODO
-		$nbt->setByte("TerrainPopulated", $chunk->isPopulated() ? 1 : 0);
-		$nbt->setByte("LightPopulated", 0);
-
-		$ids = "";
-		$data = "";
-		$subChunks = $chunk->getSubChunks();
-		for($x = 0; $x < 16; ++$x){
-			for($z = 0; $z < 16; ++$z){
-				for($y = 0; $y < 8; ++$y){
-					$subChunk = $subChunks[$y];
-					$ids .= substr($subChunk->getBlockIdArray(), ($x << 8) | ($z << 4), 16);
-					$data .= substr($subChunk->getBlockDataArray(), ($x << 7) | ($z << 3), 8);
-				}
-			}
-		}
-
-		$nbt->setByteArray("Blocks", $ids);
-		$nbt->setByteArray("Data", $data);
-		$nbt->setByteArray("SkyLight", str_repeat("\x00", 16384));
-		$nbt->setByteArray("BlockLight", str_repeat("\x00", 16384));
-
-		$nbt->setByteArray("Biomes", $chunk->getBiomeIdArray()); //doesn't exist in regular McRegion, this is here for PocketMine-MP only
-		$nbt->setByteArray("HeightMap", str_repeat("\x00", 256)); //this is ByteArray in McRegion, but IntArray in Anvil (due to raised build height)
-
-		$nbt->setTag(new ListTag("Entities", $chunk->getNBTentities(), NBT::TAG_Compound));
-		$nbt->setTag(new ListTag("TileEntities", $chunk->getNBTtiles(), NBT::TAG_Compound));
-
-		$writer = new BigEndianNbtSerializer();
-		return $writer->writeCompressed(new CompoundTag("", [$nbt]), ZLIB_ENCODING_DEFLATE, RegionLoader::$COMPRESSION_LEVEL);
+		throw new \RuntimeException("Unsupported");
 	}
 
 	/**