225 Zeilen
11 KiB
Diff
225 Zeilen
11 KiB
Diff
From c67e3a21f1ea66ff8358125b3f2307f4c4396dcf 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 ba5f21461f..29d1b89d8d 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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@@ -306,4 +307,27 @@ 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/ChunkRegionLoader.java b/src/main/java/net/minecraft/server/ChunkRegionLoader.java
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index db5c6e0f74..b6ec518371 100644
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--- a/src/main/java/net/minecraft/server/ChunkRegionLoader.java
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+++ b/src/main/java/net/minecraft/server/ChunkRegionLoader.java
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@@ -59,8 +59,55 @@ public class ChunkRegionLoader implements IChunkLoader, IAsyncChunkSaver {
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private PersistentStructureLegacy e;
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// private boolean f; // CraftBukkit
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private static final double SAVE_QUEUE_TARGET_SIZE = 625; // Spigot
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+ // Paper start - support saving to an alternate directory
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+ private final File templateWorld;
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+ private final File actualWorld;
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+ private final boolean useAltWorld;
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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 (RegionFileCache.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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+ //a.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();
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+ org.spigotmc.SneakyThrow.sneaky(e1);
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+ }
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+ }
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+ }
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+ }
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+ // Paper end
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public ChunkRegionLoader(File file, DataFixer datafixer) {
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+ // Paper start
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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 end
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this.c = file;
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this.d = datafixer;
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}
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@@ -98,11 +145,18 @@ public class ChunkRegionLoader implements IChunkLoader, IAsyncChunkSaver {
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}
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public boolean chunkExists(int x, int z) {
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- return RegionFileCache.chunkExists(this.c, x, z);
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+ // Paper start
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+ if (this.saveMap.containsKey(ChunkCoordIntPair.asLong(x, z))) {
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+ return true;
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+ }
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+ copyIfNeeded(x, z);
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+ return RegionFileCache.chunkExists(this.actualWorld, x, z);
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+ // Paper end
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}
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@Nullable
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private NBTTagCompound a(DimensionManager dimensionmanager, @Nullable PersistentCollection persistentcollection, int i, int j, @Nullable GeneratorAccess generatoraccess) throws IOException {
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+ copyIfNeeded(i, j); // Paper
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NBTTagCompound nbttagcompound = SupplierUtils.getIfExists(this.saveMap.get(ChunkCoordIntPair.asLong(i, j))); // Spigot // Paper
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if (nbttagcompound != null) {
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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 15666325ea..3501b87f75 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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@@ -76,6 +76,13 @@ public class RegionFileCache {
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itr.remove();
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}
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}
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+ public static synchronized 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 static synchronized boolean hasRegionFile(File file, int i, int j) {
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+ return RegionFileCache.a.containsKey(getRegionFileName(file, i, j));
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+ }
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// Paper End
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public static synchronized void a() {
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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 ab085788ab..c84e6acdbe 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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@@ -32,6 +32,58 @@ public class WorldNBTStorage implements IDataManager, 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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+ org.spigotmc.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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2.19.0
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