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Update ChunkRegionLoader.java

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FatSaw
2023-02-18 03:58:59 +02:00
parent a15099f9e8
commit 13d3cb28e4
1 changed files with 19 additions and 0 deletions
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19
sources/src/main/java/net/minecraft/server/ChunkRegionLoader.java
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@@ -1,11 +1,16 @@
package net.minecraft.server;
import com.google.common.collect.Maps;
import java.io.DataInputStream;
import java.io.DataOutput;
import java.io.DataOutputStream;
import java.io.File;
import java.io.IOException;
import java.util.Collections;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import java.util.Set;
import javax.annotation.Nullable;
import java.util.concurrent.ConcurrentLinkedQueue; // Paper
import org.apache.logging.log4j.LogManager;
@@ -89,8 +94,22 @@ public class ChunkRegionLoader implements IChunkLoader, IAsyncChunkSaver {
return nbttagcompound != null ? true : RegionFileCache.chunkExists(this.d, i, j);
}
// Paper start
private static final int CURRENT_DATA_VERSION = 1343; // Paper
private static final boolean JUST_CORRUPT_IT = Boolean.valueOf("Paper.ignoreWorldDataVersion");
// Paper end
@Nullable
protected Object[] a(World world, int i, int j, NBTTagCompound nbttagcompound) { // CraftBukkit - return Chunk -> Object[]
// Paper start - Do NOT attempt to load chunks saved with newer versions
if (nbttagcompound.hasKeyOfType("DataVersion", 3)) {
int dataVersion = nbttagcompound.getInt("DataVersion");
if (!JUST_CORRUPT_IT && dataVersion > CURRENT_DATA_VERSION) {
new RuntimeException("Server attempted to load chunk saved with newer version of minecraft! " + dataVersion + " > " + CURRENT_DATA_VERSION).printStackTrace();
System.exit(1);
}
}
// Paper end
if (!nbttagcompound.hasKeyOfType("Level", 10)) {
ChunkRegionLoader.a.error("Chunk file at {},{} is missing level data, skipping", Integer.valueOf(i), Integer.valueOf(j));
return null;