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Paper-Old/Spigot-Server-Patches/0313-Provide-option-to-use-a-versioned-world-folder-for-t.patch
Aikar b62dfa0bf9
Updated Upstream (Bukkit/CraftBukkit) 
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

Bukkit Changes:
39ce5d3a SPIGOT-4399: ItemMeta.equals broken with AttributeModifiers

CraftBukkit Changes:
1cf8b5dc SPIGOT-4400: Populators running on existing chunks
116cb9a1 SPIGOT-4399: Add attribute modifier equality test
5ee1c18a SPIGOT-4398: Set ASM7_EXPERIMENTAL flag
2018-09-28 19:31:59 -04:00

225 Zeilen
11 KiB
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Originalformat Blame Verlauf

From 1c88f287d37594e783c43e4e12ee3e6aadc3ba35 Mon Sep 17 00:00:00 2001
From: Aikar <aikar@aikar.co>
Date: Sun, 29 Jul 2018 15:48:50 -0400
Subject: [PATCH] Provide option to use a versioned world folder for testing
This should not ever be used in production!!
This setting is intended for testing so you can try out converting your world
without actually modifying the world files.
This will add some additional overhead to your world, but you're
just testing anyways so that's not a big deal :)
Will store in a folder named after the current version.
PlayerData and Data folders are copied on server start, so there
may be some delay there, but region files are only copied on demand.
This is highly experiemental so backup your world before relying on this to not modify it
diff --git a/src/main/java/com/destroystokyo/paper/PaperConfig.java b/src/main/java/com/destroystokyo/paper/PaperConfig.java
index ad031dedaa..b32e75ae9a 100644
--- a/src/main/java/com/destroystokyo/paper/PaperConfig.java
+++ b/src/main/java/com/destroystokyo/paper/PaperConfig.java
@@ -13,6 +13,7 @@ import java.util.List;
import java.util.Map;
import java.util.concurrent.TimeUnit;
import java.util.logging.Level;
+import java.util.logging.Logger;
import java.util.regex.Pattern;
import com.google.common.collect.Lists;
@@ -303,4 +304,27 @@ public class PaperConfig {
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");
}
}
+
+ public static boolean useVersionedWorld = false;
+ private static void useVersionedWorld() {
+ useVersionedWorld = getBoolean("settings.use-versioned-world", false);
+ if (useVersionedWorld) {
+ Logger logger = Bukkit.getLogger();
+ String ver = MinecraftServer.getServer().getVersion();
+ logger.log(Level.INFO, "******************************************************");
+ logger.log(Level.INFO, "*** Using a versioned world folder. Your world will be saved");
+ logger.log(Level.INFO, "*** to into the " + ver + " folder, but copied from your current world.");
+ logger.log(Level.INFO, "*** ");
+ logger.log(Level.INFO, "*** This setting should not be used in your real world!!!");
+ logger.log(Level.INFO, "*** If you want to retain the new world, you need to move ");
+ logger.log(Level.INFO, "*** the folders out of the " + ver + " folder and overwrite existing");
+ logger.log(Level.INFO, "*** ");
+ logger.log(Level.INFO, "*** Deleting the " + ver + " folder will cause it to recreate again");
+ logger.log(Level.INFO, "*** from your unversioned world files.");
+ logger.log(Level.INFO, "*** ");
+ logger.log(Level.INFO, "*** You should backup your original world files incase something goes");
+ logger.log(Level.INFO, "*** wrong with this system! This is not a backup system.");
+ logger.log(Level.INFO, "******************************************************");
+ }
+ }
}
diff --git a/src/main/java/net/minecraft/server/ChunkRegionLoader.java b/src/main/java/net/minecraft/server/ChunkRegionLoader.java
index db5c6e0f74..b6ec518371 100644
--- a/src/main/java/net/minecraft/server/ChunkRegionLoader.java
+++ b/src/main/java/net/minecraft/server/ChunkRegionLoader.java
@@ -59,8 +59,55 @@ public class ChunkRegionLoader implements IChunkLoader, IAsyncChunkSaver {
private PersistentStructureLegacy e;
// private boolean f; // CraftBukkit
private static final double SAVE_QUEUE_TARGET_SIZE = 625; // Spigot
+ // Paper start - support saving to an alternate directory
+ private final File templateWorld;
+ private final File actualWorld;
+ private final boolean useAltWorld;
+
+ private void copyIfNeeded(int x, int z) {
+ if (!useAltWorld) {
+ return;
+ }
+ synchronized (RegionFileCache.class) {
+ if (RegionFileCache.hasRegionFile(this.actualWorld, x, z)) {
+ return;
+ }
+ File actual = RegionFileCache.getRegionFileName(this.actualWorld, x, z);
+ File template = RegionFileCache.getRegionFileName(this.templateWorld, x, z);
+ if (!actual.exists() && template.exists()) {
+ try {
+ //a.info("Copying" + template + " to " + actual);
+ java.nio.file.Files.copy(template.toPath(), actual.toPath(), java.nio.file.StandardCopyOption.COPY_ATTRIBUTES);
+ } catch (IOException e1) {
+ LogManager.getLogger().error("Error copying " + template + " to " + actual, e1);
+ MinecraftServer.getServer().safeShutdown();
+ org.spigotmc.SneakyThrow.sneaky(e1);
+ }
+ }
+ }
+ }
+ // Paper end
public ChunkRegionLoader(File file, DataFixer datafixer) {
+ // Paper start
+ this.actualWorld = file;
+ if (com.destroystokyo.paper.PaperConfig.useVersionedWorld) {
+ this.useAltWorld = true;
+ String name = file.getName();
+ File container = file.getParentFile().getParentFile();
+ if (name.equals("DIM-1") || name.equals("DIM1")) {
+ container = container.getParentFile();
+ }
+ this.templateWorld = new File(container, name);
+ File region = new File(file, "region");
+ if (!region.exists()) {
+ region.mkdirs();
+ }
+ } else {
+ this.useAltWorld = false;
+ this.templateWorld = file;
+ }
+ // Paper end
this.c = file;
this.d = datafixer;
}
@@ -98,11 +145,18 @@ public class ChunkRegionLoader implements IChunkLoader, IAsyncChunkSaver {
}
public boolean chunkExists(int x, int z) {
- return RegionFileCache.chunkExists(this.c, x, z);
+ // Paper start
+ if (this.saveMap.containsKey(ChunkCoordIntPair.asLong(x, z))) {
+ return true;
+ }
+ copyIfNeeded(x, z);
+ return RegionFileCache.chunkExists(this.actualWorld, x, z);
+ // Paper end
}
@Nullable
private NBTTagCompound a(DimensionManager dimensionmanager, @Nullable PersistentCollection persistentcollection, int i, int j, @Nullable GeneratorAccess generatoraccess) throws IOException {
+ copyIfNeeded(i, j); // Paper
NBTTagCompound nbttagcompound = SupplierUtils.getIfExists(this.saveMap.get(ChunkCoordIntPair.asLong(i, j))); // Spigot // Paper
if (nbttagcompound != null) {
diff --git a/src/main/java/net/minecraft/server/RegionFileCache.java b/src/main/java/net/minecraft/server/RegionFileCache.java
index 15666325ea..3501b87f75 100644
--- a/src/main/java/net/minecraft/server/RegionFileCache.java
+++ b/src/main/java/net/minecraft/server/RegionFileCache.java
@@ -76,6 +76,13 @@ public class RegionFileCache {
itr.remove();
}
}
+ public static synchronized File getRegionFileName(File file, int i, int j) {
+ File file1 = new File(file, "region");
+ return new File(file1, "r." + (i >> 5) + "." + (j >> 5) + ".mca");
+ }
+ public static synchronized boolean hasRegionFile(File file, int i, int j) {
+ return RegionFileCache.a.containsKey(getRegionFileName(file, i, j));
+ }
// Paper End
public static synchronized void a() {
diff --git a/src/main/java/net/minecraft/server/WorldNBTStorage.java b/src/main/java/net/minecraft/server/WorldNBTStorage.java
index ab085788ab..c84e6acdbe 100644
--- a/src/main/java/net/minecraft/server/WorldNBTStorage.java
+++ b/src/main/java/net/minecraft/server/WorldNBTStorage.java
@@ -32,6 +32,58 @@ public class WorldNBTStorage implements IDataManager, IPlayerFileData {
public WorldNBTStorage(File file, String s, @Nullable MinecraftServer minecraftserver, DataFixer datafixer) {
this.a = datafixer;
+ // Paper start
+ if (com.destroystokyo.paper.PaperConfig.useVersionedWorld) {
+ File origBaseDir = new File(file, s);
+ final String currentVersion = MinecraftServer.getServer().getVersion();
+ file = new File(file, currentVersion);
+ File baseDir = new File(file, s);
+
+ if (!baseDir.exists() && origBaseDir.exists() && !baseDir.mkdirs()) {
+ LogManager.getLogger().error("Could not create world directory for " + file);
+ System.exit(1);
+ }
+
+ try {
+ boolean printedHeader = false;
+ String[] dirs = {"advancements", "data", "datapacks", "playerdata", "stats"};
+ for (String dir : dirs) {
+ File origPlayerData = new File(origBaseDir, dir);
+ File targetPlayerData = new File(baseDir, dir);
+ if (origPlayerData.exists() && !targetPlayerData.exists()) {
+ if (!printedHeader) {
+ LogManager.getLogger().info("**** VERSIONED WORLD - Copying files");
+ printedHeader = true;
+ }
+ LogManager.getLogger().info("- Copying: " + dir);
+ org.apache.commons.io.FileUtils.copyDirectory(origPlayerData, targetPlayerData);
+ }
+ }
+
+ String[] files = {"level.dat", "level.dat_old", "session.lock", "uid.dat"};
+ for (String fileName : files) {
+ File origPlayerData = new File(origBaseDir, fileName);
+ File targetPlayerData = new File(baseDir, fileName);
+ if (origPlayerData.exists() && !targetPlayerData.exists()) {
+ if (!printedHeader) {
+ LogManager.getLogger().info("- Copying files");
+ printedHeader = true;
+ }
+ LogManager.getLogger().info("- Copying: " + fileName);
+ org.apache.commons.io.FileUtils.copyFile(origPlayerData, targetPlayerData);
+
+ }
+ }
+ if (printedHeader) {
+ LogManager.getLogger().info("**** VERSIONED WORLD - Copying DONE");
+ }
+ } catch (IOException e) {
+ LogManager.getLogger().error("Error copying versioned world data for " + origBaseDir + " to " + baseDir, e);
+ org.spigotmc.SneakyThrow.sneaky(e);
+ }
+
+ }
+ // Paper end
this.baseDir = new File(file, s);
this.baseDir.mkdirs();
this.playerDir = new File(this.baseDir, "playerdata");
--
2.19.0
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