mirror of
https://github.com/PaperMC/Paper.git
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"It was from a different time before books were as jank as they are now. As time has gone on they've only proven to be worse and worse."
387 lines
19 KiB
Diff
387 lines
19 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Spottedleaf <Spottedleaf@users.noreply.github.com>
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Date: Thu, 20 May 2021 07:02:22 -0700
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Subject: [PATCH] Fix and optimise world force upgrading
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The WorldUpgrader class was incorrectly modified by
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CB. It will store an IChunkLoader instance for all
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dimension types in the world, but obviously with how
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CB shifts around worlds only one dimension type exists
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per world. But this would be OK if CB did this
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change correctly. All IChunkLoader instances
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will point to the same regionfiles. And all
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IChunkLoader instances are going to be read from.
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This problem hasn't really been reported because
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it relies on the persistent legacy data to be converted
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as well to cause corruption. Why? Because the legacy
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data is also shared, it will result in different
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outputs from conversion (as once conversion for legacy
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persistent data takes place, it is REMOVED - so the next
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convert will _not_ have the data). Which means different
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sizes on disk. Which means different regionfile sector
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allocations. Which means there are 3 different possible
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regionfile sector allocations in memory, and none of them
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are going to be correct.
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I've fixed this by writing a world upgrader suited to
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CB's changes to world folder format. It was brain dead
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easy to add threading, so I did.
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diff --git a/src/main/java/io/papermc/paper/world/ThreadedWorldUpgrader.java b/src/main/java/io/papermc/paper/world/ThreadedWorldUpgrader.java
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new file mode 100644
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index 0000000000000000000000000000000000000000..452934a7a037c8b1c5f9906c7af75ed8c449ebc0
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--- /dev/null
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+++ b/src/main/java/io/papermc/paper/world/ThreadedWorldUpgrader.java
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@@ -0,0 +1,200 @@
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+package io.papermc.paper.world;
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+
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+import com.mojang.datafixers.DataFixer;
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+import net.minecraft.SharedConstants;
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+import net.minecraft.nbt.CompoundTag;
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+import net.minecraft.resources.ResourceKey;
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+import net.minecraft.util.worldupdate.WorldUpgrader;
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+import net.minecraft.world.level.ChunkPos;
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+import net.minecraft.world.level.chunk.storage.ChunkStorage;
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+import net.minecraft.world.level.chunk.storage.RegionFileStorage;
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+import net.minecraft.world.level.dimension.DimensionType;
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+import net.minecraft.world.level.dimension.LevelStem;
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+import net.minecraft.world.level.storage.DimensionDataStorage;
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+import net.minecraft.world.level.storage.LevelStorageSource;
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+import org.apache.logging.log4j.LogManager;
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+import org.apache.logging.log4j.Logger;
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+import java.io.File;
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+import java.io.IOException;
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+import java.text.DecimalFormat;
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+import java.util.concurrent.ExecutorService;
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+import java.util.concurrent.Executors;
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+import java.util.concurrent.ThreadFactory;
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+import java.util.concurrent.atomic.AtomicInteger;
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+import java.util.concurrent.atomic.AtomicLong;
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+import java.util.function.Supplier;
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+
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+public class ThreadedWorldUpgrader {
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+
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+ private static final Logger LOGGER = LogManager.getLogger();
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+
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+ private final ResourceKey<LevelStem> dimensionType;
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+ private final ResourceKey<DimensionType> worldKey;
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+ private final String worldName;
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+ private final ExecutorService threadPool;
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+ private final DataFixer dataFixer;
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+ private final boolean removeCaches;
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+
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+ public ThreadedWorldUpgrader(final ResourceKey<LevelStem> dimensionType, final ResourceKey<DimensionType> worldKey, final String worldName, final int threads,
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+ final DataFixer dataFixer, final boolean removeCaches) {
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+ this.dimensionType = dimensionType;
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+ this.worldKey = worldKey;
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+ this.worldName = worldName;
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+ this.threadPool = Executors.newFixedThreadPool(Math.max(1, threads), new ThreadFactory() {
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+ private final AtomicInteger threadCounter = new AtomicInteger();
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+
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+ @Override
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+ public Thread newThread(final Runnable run) {
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+ final Thread ret = new Thread(run);
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+
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+ ret.setName("World upgrader thread for world " + ThreadedWorldUpgrader.this.worldName + " #" + this.threadCounter.getAndIncrement());
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+ ret.setUncaughtExceptionHandler((thread, throwable) -> {
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+ LOGGER.fatal("Error upgrading world", throwable);
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+ });
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+
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+ return ret;
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+ }
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+ });
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+ this.dataFixer = dataFixer;
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+ this.removeCaches = removeCaches;
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+ }
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+
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+ public void convert() {
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+ final File worldFolder = LevelStorageSource.getFolder(new File(this.worldName), this.dimensionType);
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+ final DimensionDataStorage worldPersistentData = new DimensionDataStorage(new File(worldFolder, "data"), this.dataFixer);
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+
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+ final File regionFolder = new File(worldFolder, "region");
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+
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+ LOGGER.info("Force upgrading " + this.worldName);
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+ LOGGER.info("Counting regionfiles for " + this.worldName);
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+ final File[] regionFiles = regionFolder.listFiles((final File dir, final String name) -> {
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+ return WorldUpgrader.REGEX.matcher(name).matches();
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+ });
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+ if (regionFiles == null) {
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+ LOGGER.info("Found no regionfiles to convert for world " + this.worldName);
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+ return;
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+ }
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+ LOGGER.info("Found " + regionFiles.length + " regionfiles to convert");
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+ LOGGER.info("Starting conversion now for world " + this.worldName);
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+
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+ final WorldInfo info = new WorldInfo(() -> worldPersistentData,
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+ new ChunkStorage(regionFolder, this.dataFixer, false), this.removeCaches, this.worldKey);
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+
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+ long expectedChunks = (long)regionFiles.length * (32L * 32L);
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+
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+ for (final File regionFile : regionFiles) {
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+ final ChunkPos regionPos = RegionFileStorage.getRegionFileCoordinates(regionFile);
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+ if (regionPos == null) {
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+ expectedChunks -= (32L * 32L);
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+ continue;
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+ }
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+
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+ this.threadPool.execute(new ConvertTask(info, regionPos.x >> 5, regionPos.z >> 5));
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+ }
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+ this.threadPool.shutdown();
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+
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+ final DecimalFormat format = new DecimalFormat("#0.00");
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+
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+ final long start = System.nanoTime();
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+
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+ while (!this.threadPool.isTerminated()) {
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+ final long current = info.convertedChunks.get();
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+
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+ LOGGER.info("{}% completed ({} / {} chunks)...", format.format((double)current / (double)expectedChunks * 100.0), current, expectedChunks);
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+
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+ try {
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+ Thread.sleep(1000L);
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+ } catch (final InterruptedException ignore) {}
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+ }
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+
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+ final long end = System.nanoTime();
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+
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+ try {
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+ info.loader.close();
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+ } catch (final IOException ex) {
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+ LOGGER.fatal("Failed to close chunk loader", ex);
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+ }
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+ LOGGER.info("Completed conversion. Took {}s, {} out of {} chunks needed to be converted/modified ({}%)",
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+ (int)Math.ceil((end - start) * 1.0e-9), info.modifiedChunks.get(), expectedChunks, format.format((double)info.modifiedChunks.get() / (double)expectedChunks * 100.0));
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+ }
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+
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+ private static final class WorldInfo {
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+
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+ public final Supplier<DimensionDataStorage> persistentDataSupplier;
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+ public final ChunkStorage loader;
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+ public final boolean removeCaches;
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+ public final ResourceKey<DimensionType> worldKey;
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+ public final AtomicLong convertedChunks = new AtomicLong();
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+ public final AtomicLong modifiedChunks = new AtomicLong();
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+
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+ private WorldInfo(final Supplier<DimensionDataStorage> persistentDataSupplier, final ChunkStorage loader, final boolean removeCaches,
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+ final ResourceKey<DimensionType> worldKey) {
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+ this.persistentDataSupplier = persistentDataSupplier;
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+ this.loader = loader;
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+ this.removeCaches = removeCaches;
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+ this.worldKey = worldKey;
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+ }
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+ }
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+
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+ private static final class ConvertTask implements Runnable {
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+
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+ private final WorldInfo worldInfo;
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+ private final int regionX;
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+ private final int regionZ;
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+
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+ public ConvertTask(final WorldInfo worldInfo, final int regionX, final int regionZ) {
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+ this.worldInfo = worldInfo;
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+ this.regionX = regionX;
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+ this.regionZ = regionZ;
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+ }
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+
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+ @Override
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+ public void run() {
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+ final int regionCX = this.regionX << 5;
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+ final int regionCZ = this.regionZ << 5;
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+
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+ final Supplier<DimensionDataStorage> persistentDataSupplier = this.worldInfo.persistentDataSupplier;
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+ final ChunkStorage loader = this.worldInfo.loader;
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+ final boolean removeCaches = this.worldInfo.removeCaches;
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+ final ResourceKey<DimensionType> worldKey = this.worldInfo.worldKey;
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+
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+ for (int cz = regionCZ; cz < (regionCZ + 32); ++cz) {
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+ for (int cx = regionCX; cx < (regionCX + 32); ++cx) {
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+ final ChunkPos chunkPos = new ChunkPos(cx, cz);
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+ try {
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+ // no need to check the coordinate of the chunk, the regionfilecache does that for us
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+
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+ CompoundTag chunkNBT = loader.read(chunkPos);
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+
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+ if (chunkNBT == null) {
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+ continue;
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+ }
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+
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+ final int versionBefore = ChunkStorage.getVersion(chunkNBT);
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+
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+ chunkNBT = loader.getChunkData(worldKey, persistentDataSupplier, chunkNBT, chunkPos, null);
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+
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+ boolean modified = versionBefore < SharedConstants.getCurrentVersion().getWorldVersion();
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+
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+ if (removeCaches) {
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+ final CompoundTag level = chunkNBT.getCompound("Level");
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+ modified |= level.contains("Heightmaps");
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+ level.remove("Heightmaps");
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+ modified |= level.contains("isLightOn");
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+ level.remove("isLightOn");
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+ }
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+
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+ if (modified) {
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+ this.worldInfo.modifiedChunks.getAndIncrement();
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+ loader.write(chunkPos, chunkNBT);
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+ }
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+ } catch (final Exception ex) {
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+ LOGGER.error("Error upgrading chunk {}", chunkPos, ex);
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+ } finally {
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+ this.worldInfo.convertedChunks.getAndIncrement();
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+ }
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+ }
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+ }
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+ }
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+ }
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+}
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diff --git a/src/main/java/net/minecraft/server/Main.java b/src/main/java/net/minecraft/server/Main.java
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index cf0a74b8a1c31d4bc493eb09a69ee2bd94cb6485..6fa1a7da70896d0ff34d38698769195a98c06195 100644
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--- a/src/main/java/net/minecraft/server/Main.java
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+++ b/src/main/java/net/minecraft/server/Main.java
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@@ -15,6 +15,7 @@ import java.nio.file.Paths;
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import java.util.Optional;
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import java.util.concurrent.CompletableFuture;
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import java.util.function.BooleanSupplier;
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+import io.papermc.paper.world.ThreadedWorldUpgrader;
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import joptsimple.NonOptionArgumentSpec;
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import joptsimple.OptionParser;
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import joptsimple.OptionSet;
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@@ -283,6 +284,15 @@ public class Main {
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}
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// Paper end
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+ // Paper start - fix and optimise world upgrading
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+ public static void convertWorldButItWorks(ResourceKey<LevelStem> dimensionType, ResourceKey<DimensionType> worldKey, String worldName,
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+ DataFixer dataFixer, boolean removeCaches) {
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+ int threads = Runtime.getRuntime().availableProcessors() * 3 / 8;
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+ final ThreadedWorldUpgrader worldUpgrader = new ThreadedWorldUpgrader(dimensionType, worldKey, worldName, threads, dataFixer, removeCaches);
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+ worldUpgrader.convert();
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+ }
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+ // Paper end - fix and optimise world upgrading
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+
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public static void forceUpgrade(LevelStorageSource.LevelStorageAccess session, DataFixer dataFixer, boolean eraseCache, BooleanSupplier booleansupplier, ImmutableSet<ResourceKey<DimensionType>> worlds) { // CraftBukkit
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Main.LOGGER.info("Forcing world upgrade! {}", session.getLevelId()); // CraftBukkit
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WorldUpgrader worldupgrader = new WorldUpgrader(session, dataFixer, worlds, eraseCache);
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diff --git a/src/main/java/net/minecraft/server/MinecraftServer.java b/src/main/java/net/minecraft/server/MinecraftServer.java
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index 6003dff25e78395a92ab279f1a93f016f4a79c56..9feb9e64e64e19d99f6ba01e203b81f13235d12d 100644
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--- a/src/main/java/net/minecraft/server/MinecraftServer.java
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+++ b/src/main/java/net/minecraft/server/MinecraftServer.java
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@@ -563,13 +563,7 @@ public abstract class MinecraftServer extends ReentrantBlockableEventLoop<TickTa
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worlddata = new PrimaryLevelData(worldsettings, generatorsettings, Lifecycle.stable());
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}
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worlddata.checkName(name); // CraftBukkit - Migration did not rewrite the level.dat; This forces 1.8 to take the last loaded world as respawn (in this case the end)
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- if (this.options.has("forceUpgrade")) {
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- net.minecraft.server.Main.forceUpgrade(worldSession, DataFixers.getDataFixer(), this.options.has("eraseCache"), () -> {
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- return true;
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- }, worlddata.worldGenSettings().dimensions().entrySet().stream().map((entry1) -> {
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- return ResourceKey.create(Registry.DIMENSION_TYPE_REGISTRY, ((ResourceKey) entry1.getKey()).location());
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- }).collect(ImmutableSet.toImmutableSet()));
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- }
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+ // Paper - move down
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ServerLevelData iworlddataserver = worlddata;
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WorldGenSettings generatorsettings = worlddata.worldGenSettings();
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@@ -589,6 +583,14 @@ public abstract class MinecraftServer extends ReentrantBlockableEventLoop<TickTa
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chunkgenerator = worlddimension.generator();
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}
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+ // Paper start - fix and optimise world upgrading
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+ if (options.has("forceUpgrade")) {
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+ net.minecraft.server.Main.convertWorldButItWorks(
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+ dimensionKey, Level.getDimensionKey(dimensionmanager), worldSession.getLevelId(), DataFixers.getDataFixer(), options.has("eraseCache")
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+ );
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+ }
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+ // Paper end - fix and optimise world upgrading
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+
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ResourceKey<Level> worldKey = ResourceKey.create(Registry.DIMENSION_REGISTRY, dimensionKey.location());
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if (dimensionKey == LevelStem.OVERWORLD) {
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diff --git a/src/main/java/net/minecraft/world/level/Level.java b/src/main/java/net/minecraft/world/level/Level.java
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index 54cac6167796360ddaeb0b968f17a3533c4b9775..aa4969ea486c8654228d96e48a2192500ee78a63 100644
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--- a/src/main/java/net/minecraft/world/level/Level.java
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+++ b/src/main/java/net/minecraft/world/level/Level.java
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@@ -174,6 +174,15 @@ public abstract class Level implements LevelAccessor, AutoCloseable {
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public final Map<Explosion.CacheKey, Float> explosionDensityCache = new HashMap<>(); // Paper - Optimize explosions
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public java.util.ArrayDeque<net.minecraft.world.level.block.RedstoneTorchBlock.Toggle> redstoneUpdateInfos; // Paper - Move from Map in BlockRedstoneTorch to here
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+ // Paper start - fix and optimise world upgrading
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+ // copied from below
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+ public static ResourceKey<DimensionType> getDimensionKey(DimensionType manager) {
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+ return ((org.bukkit.craftbukkit.CraftServer)org.bukkit.Bukkit.getServer()).getHandle().getServer().registryHolder.ownedRegistryOrThrow(net.minecraft.core.Registry.DIMENSION_TYPE_REGISTRY).getResourceKey(manager).orElseThrow(() -> {
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+ return new IllegalStateException("Unregistered dimension type: " + manager);
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+ });
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+ }
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+ // Paper end - fix and optimise world upgrading
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+
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public CraftWorld getWorld() {
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return this.world;
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}
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diff --git a/src/main/java/net/minecraft/world/level/chunk/storage/RegionFileStorage.java b/src/main/java/net/minecraft/world/level/chunk/storage/RegionFileStorage.java
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index e1b9051f8537db6f023cfdeaca4fb89305ece363..5885c7c18d165270361d6fde1e1b89b34a578555 100644
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--- a/src/main/java/net/minecraft/world/level/chunk/storage/RegionFileStorage.java
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+++ b/src/main/java/net/minecraft/world/level/chunk/storage/RegionFileStorage.java
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@@ -31,6 +31,28 @@ public class RegionFileStorage implements AutoCloseable {
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}
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// Paper start
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+ public static ChunkPos getRegionFileCoordinates(File file) {
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+ String fileName = file.getName();
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+ if (!fileName.startsWith("r.") || !fileName.endsWith(".mca")) {
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+ return null;
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+ }
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+
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+ String[] split = fileName.split("\\.");
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+
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+ if (split.length != 4) {
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+ return null;
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+ }
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+
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+ try {
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+ int x = Integer.parseInt(split[1]);
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+ int z = Integer.parseInt(split[2]);
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+
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+ return new ChunkPos(x << 5, z << 5);
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+ } catch (NumberFormatException ex) {
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+ return null;
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+ }
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+ }
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+
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public synchronized RegionFile getRegionFileIfLoaded(ChunkPos chunkcoordintpair) {
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return this.regionCache.getAndMoveToFirst(ChunkPos.asLong(chunkcoordintpair.getRegionX(), chunkcoordintpair.getRegionZ()));
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}
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diff --git a/src/main/java/org/bukkit/craftbukkit/CraftServer.java b/src/main/java/org/bukkit/craftbukkit/CraftServer.java
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index ca28dda0f9819e8d75fbaa48cf5ff5643910999a..8a98bd1018afd934696fedbed24e271ab6b75f51 100644
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--- a/src/main/java/org/bukkit/craftbukkit/CraftServer.java
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+++ b/src/main/java/org/bukkit/craftbukkit/CraftServer.java
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@@ -1142,14 +1142,7 @@ public final class CraftServer implements Server {
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}
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worlddata.checkName(name);
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worlddata.setModdedInfo(this.console.getServerModName(), this.console.getModdedStatus().isPresent());
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-
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- if (console.options.has("forceUpgrade")) {
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- net.minecraft.server.Main.forceUpgrade(worldSession, DataFixers.getDataFixer(), console.options.has("eraseCache"), () -> {
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- return true;
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- }, worlddata.worldGenSettings().dimensions().entrySet().stream().map((entry) -> {
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- return ResourceKey.create(Registry.DIMENSION_TYPE_REGISTRY, ((ResourceKey) entry.getKey()).location());
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- }).collect(ImmutableSet.toImmutableSet()));
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- }
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+ // Paper - move down
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long j = BiomeManager.obfuscateSeed(creator.seed());
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List<CustomSpawner> list = ImmutableList.of(new PhantomSpawner(), new PatrolSpawner(), new CatSpawner(), new VillageSiege(), new WanderingTraderSpawner(worlddata));
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@@ -1166,6 +1159,14 @@ public final class CraftServer implements Server {
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chunkgenerator = worlddimension.generator();
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}
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+ // Paper start - fix and optimise world upgrading
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+ if (console.options.has("forceUpgrade")) {
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+ net.minecraft.server.Main.convertWorldButItWorks(
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+ actualDimension, net.minecraft.world.level.Level.getDimensionKey(dimensionmanager), worldSession.getLevelId(), DataFixers.getDataFixer(), console.options.has("eraseCache")
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+ );
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+ }
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+ // Paper end - fix and optimise world upgrading
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+
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ResourceKey<net.minecraft.world.level.Level> worldKey;
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String levelName = this.getServer().getProperties().levelName;
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if (name.equals(levelName + "_nether")) {
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