Upstream has released updates that appears to apply and compile correctly. This update has not been tested by PaperMC and as with ANY update, please do your own testing CraftBukkit Changes: 17543ecf SPIGOT-5035: Error Using Virtual Merchant GUI 0fc6922b SPIGOT-5028: Villager#setVillagerExperience() doesn't work bdbdbe44 SPIGOT-5024: Fox error - Unknown target reason
231 lines
11 KiB
Diff
231 lines
11 KiB
Diff
From daa9cdd5a01f46087aebcb8dade64df763920acf Mon Sep 17 00:00:00 2001
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From: Aikar <aikar@aikar.co>
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Date: Sun, 29 Jul 2018 15:48:50 -0400
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Subject: [PATCH] Provide option to use a versioned world folder for testing
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This should not ever be used in production!!
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This setting is intended for testing so you can try out converting your world
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without actually modifying the world files.
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This will add some additional overhead to your world, but you're
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just testing anyways so that's not a big deal :)
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Will store in a folder named after the current version.
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PlayerData and Data folders are copied on server start, so there
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may be some delay there, but region files are only copied on demand.
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This is highly experiemental so backup your world before relying on this to not modify it
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diff --git a/src/main/java/com/destroystokyo/paper/PaperConfig.java b/src/main/java/com/destroystokyo/paper/PaperConfig.java
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index a9b71c85d5..8c3880c838 100644
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--- a/src/main/java/com/destroystokyo/paper/PaperConfig.java
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+++ b/src/main/java/com/destroystokyo/paper/PaperConfig.java
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@@ -13,6 +13,7 @@ import java.util.List;
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import java.util.Map;
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import java.util.concurrent.TimeUnit;
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import java.util.logging.Level;
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+import java.util.logging.Logger;
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import java.util.regex.Pattern;
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import com.google.common.collect.Lists;
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@@ -287,4 +288,27 @@ public class PaperConfig {
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Bukkit.getLogger().log(Level.INFO, "Using Aikar's Alternative Luck Formula to apply Luck attribute to all loot pool calculations. See https://luckformula.emc.gs");
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}
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}
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+
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+ public static boolean useVersionedWorld = false;
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+ private static void useVersionedWorld() {
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+ useVersionedWorld = getBoolean("settings.use-versioned-world", false);
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+ if (useVersionedWorld) {
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+ Logger logger = Bukkit.getLogger();
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+ String ver = MinecraftServer.getServer().getVersion();
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+ logger.log(Level.INFO, "******************************************************");
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+ logger.log(Level.INFO, "*** Using a versioned world folder. Your world will be saved");
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+ logger.log(Level.INFO, "*** to into the " + ver + " folder, but copied from your current world.");
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+ logger.log(Level.INFO, "*** ");
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+ logger.log(Level.INFO, "*** This setting should not be used in your real world!!!");
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+ logger.log(Level.INFO, "*** If you want to retain the new world, you need to move ");
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+ logger.log(Level.INFO, "*** the folders out of the " + ver + " folder and overwrite existing");
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+ logger.log(Level.INFO, "*** ");
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+ logger.log(Level.INFO, "*** Deleting the " + ver + " folder will cause it to recreate again");
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+ logger.log(Level.INFO, "*** from your unversioned world files.");
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+ logger.log(Level.INFO, "*** ");
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+ logger.log(Level.INFO, "*** You should backup your original world files incase something goes");
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+ logger.log(Level.INFO, "*** wrong with this system! This is not a backup system.");
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+ logger.log(Level.INFO, "******************************************************");
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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/RegionFileCache.java b/src/main/java/net/minecraft/server/RegionFileCache.java
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index 21b3b06f53..8718811655 100644
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--- a/src/main/java/net/minecraft/server/RegionFileCache.java
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+++ b/src/main/java/net/minecraft/server/RegionFileCache.java
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@@ -10,13 +10,41 @@ import java.io.IOException;
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import javax.annotation.Nullable;
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import com.destroystokyo.paper.PaperConfig; // Paper
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+import org.apache.logging.log4j.LogManager;
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+
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public abstract class RegionFileCache implements AutoCloseable {
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public final Long2ObjectLinkedOpenHashMap<RegionFile> cache = new Long2ObjectLinkedOpenHashMap();
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private final File a;
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+ // Paper start
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+ private final File templateWorld;
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+ private final File actualWorld;
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+ private boolean useAltWorld;
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+ // Paper end
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+
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protected RegionFileCache(File file) {
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this.a = file;
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+ // Paper end
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+
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+ this.actualWorld = file;
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+ if (com.destroystokyo.paper.PaperConfig.useVersionedWorld) {
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+ this.useAltWorld = true;
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+ String name = file.getName();
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+ File container = file.getParentFile().getParentFile();
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+ if (name.equals("DIM-1") || name.equals("DIM1")) {
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+ container = container.getParentFile();
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+ }
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+ this.templateWorld = new File(container, name);
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+ File region = new File(file, "region");
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+ if (!region.exists()) {
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+ region.mkdirs();
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+ }
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+ } else {
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+ this.useAltWorld = false;
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+ this.templateWorld = file;
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+ }
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+ // Paper start
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}
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private RegionFile a(ChunkCoordIntPair chunkcoordintpair, boolean existingOnly) throws IOException { // CraftBukkit
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@@ -34,6 +62,7 @@ public abstract class RegionFileCache implements AutoCloseable {
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this.a.mkdirs();
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}
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+ copyIfNeeded(chunkcoordintpair.x, chunkcoordintpair.z); // Paper
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File file = new File(this.a, "r." + chunkcoordintpair.getRegionX() + "." + chunkcoordintpair.getRegionZ() + ".mca");
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if (existingOnly && !file.exists()) return null; // CraftBukkit
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RegionFile regionfile1 = new RegionFile(file);
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@@ -43,6 +72,15 @@ public abstract class RegionFileCache implements AutoCloseable {
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}
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}
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+ public static File getRegionFileName(File file, int i, int j) {
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+ File file1 = new File(file, "region");
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+ return new File(file1, "r." + (i >> 5) + "." + (j >> 5) + ".mca");
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+ }
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+ public synchronized boolean hasRegionFile(File file, int i, int j) {
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+ return cache.containsKey(ChunkCoordIntPair.pair(i, j));
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+ }
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+ // Paper End
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+
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@Nullable
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public NBTTagCompound read(ChunkCoordIntPair chunkcoordintpair) throws IOException {
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RegionFile regionfile = this.a(chunkcoordintpair, false); // CraftBukkit
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@@ -132,9 +170,33 @@ public abstract class RegionFileCache implements AutoCloseable {
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// CraftBukkit start
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public boolean chunkExists(ChunkCoordIntPair pos) throws IOException {
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+ copyIfNeeded(pos.x, pos.z); // Paper
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RegionFile regionfile = a(pos, true);
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return regionfile != null ? regionfile.d(pos) : false;
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}
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// CraftBukkit end
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+
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+ private void copyIfNeeded(int x, int z) {
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+ if (!useAltWorld) {
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+ return;
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+ }
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+ synchronized (RegionFileCache.class) {
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+ if (hasRegionFile(this.actualWorld, x, z)) {
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+ return;
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+ }
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+ File actual = RegionFileCache.getRegionFileName(this.actualWorld, x, z);
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+ File template = RegionFileCache.getRegionFileName(this.templateWorld, x, z);
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+ if (!actual.exists() && template.exists()) {
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+ try {
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+ net.minecraft.server.MinecraftServer.LOGGER.info("Copying" + template + " to " + actual);
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+ java.nio.file.Files.copy(template.toPath(), actual.toPath(), java.nio.file.StandardCopyOption.COPY_ATTRIBUTES);
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+ } catch (IOException e1) {
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+ LogManager.getLogger().error("Error copying " + template + " to " + actual, e1);
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+ MinecraftServer.getServer().safeShutdown(false);
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+ com.destroystokyo.paper.util.SneakyThrow.sneaky(e1);
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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/WorldNBTStorage.java b/src/main/java/net/minecraft/server/WorldNBTStorage.java
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index 350ac42d6b..eaae446861 100644
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--- a/src/main/java/net/minecraft/server/WorldNBTStorage.java
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+++ b/src/main/java/net/minecraft/server/WorldNBTStorage.java
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@@ -31,6 +31,58 @@ public class WorldNBTStorage implements IPlayerFileData {
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public WorldNBTStorage(File file, String s, @Nullable MinecraftServer minecraftserver, DataFixer datafixer) {
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this.a = datafixer;
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+ // Paper start
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+ if (com.destroystokyo.paper.PaperConfig.useVersionedWorld) {
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+ File origBaseDir = new File(file, s);
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+ final String currentVersion = MinecraftServer.getServer().getVersion();
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+ file = new File(file, currentVersion);
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+ File baseDir = new File(file, s);
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+
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+ if (!baseDir.exists() && origBaseDir.exists() && !baseDir.mkdirs()) {
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+ LogManager.getLogger().error("Could not create world directory for " + file);
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+ System.exit(1);
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+ }
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+
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+ try {
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+ boolean printedHeader = false;
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+ String[] dirs = {"advancements", "data", "datapacks", "playerdata", "stats"};
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+ for (String dir : dirs) {
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+ File origPlayerData = new File(origBaseDir, dir);
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+ File targetPlayerData = new File(baseDir, dir);
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+ if (origPlayerData.exists() && !targetPlayerData.exists()) {
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+ if (!printedHeader) {
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+ LogManager.getLogger().info("**** VERSIONED WORLD - Copying files");
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+ printedHeader = true;
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+ }
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+ LogManager.getLogger().info("- Copying: " + dir);
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+ org.apache.commons.io.FileUtils.copyDirectory(origPlayerData, targetPlayerData);
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+ }
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+ }
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+
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+ String[] files = {"level.dat", "level.dat_old", "session.lock", "uid.dat"};
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+ for (String fileName : files) {
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+ File origPlayerData = new File(origBaseDir, fileName);
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+ File targetPlayerData = new File(baseDir, fileName);
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+ if (origPlayerData.exists() && !targetPlayerData.exists()) {
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+ if (!printedHeader) {
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+ LogManager.getLogger().info("- Copying files");
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+ printedHeader = true;
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+ }
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+ LogManager.getLogger().info("- Copying: " + fileName);
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+ org.apache.commons.io.FileUtils.copyFile(origPlayerData, targetPlayerData);
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+
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+ }
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+ }
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+ if (printedHeader) {
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+ LogManager.getLogger().info("**** VERSIONED WORLD - Copying DONE");
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+ }
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+ } catch (IOException e) {
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+ LogManager.getLogger().error("Error copying versioned world data for " + origBaseDir + " to " + baseDir, e);
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+ com.destroystokyo.paper.util.SneakyThrow.sneaky(e);
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+ }
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+
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+ }
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+ // Paper end
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this.baseDir = new File(file, s);
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this.baseDir.mkdirs();
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this.playerDir = new File(this.baseDir, "playerdata");
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--
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2.21.0
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