mirror of
https://github.com/PaperMC/Paper.git
synced 2024-12-30 16:19:03 +01:00
40 lines
2.5 KiB
Diff
40 lines
2.5 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
|
|
From: Zach Brown <1254957+zachbr@users.noreply.github.com>
|
|
Date: Tue, 23 Jul 2019 20:44:47 -0500
|
|
Subject: [PATCH] Do not let the server load chunks from newer versions
|
|
|
|
If the server attempts to load a chunk generated by a newer version of
|
|
the game, immediately stop the server to prevent data corruption.
|
|
|
|
You can override this functionality at your own peril.
|
|
|
|
diff --git a/src/main/java/net/minecraft/world/level/chunk/storage/ChunkSerializer.java b/src/main/java/net/minecraft/world/level/chunk/storage/ChunkSerializer.java
|
|
index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000 100644
|
|
--- a/src/main/java/net/minecraft/world/level/chunk/storage/ChunkSerializer.java
|
|
+++ b/src/main/java/net/minecraft/world/level/chunk/storage/ChunkSerializer.java
|
|
@@ -0,0 +0,0 @@ public class ChunkSerializer {
|
|
holder.tasks.forEach(Runnable::run);
|
|
return holder.protoChunk;
|
|
}
|
|
+
|
|
+ // Paper start
|
|
+ private static final int CURRENT_DATA_VERSION = SharedConstants.getCurrentVersion().getWorldVersion();
|
|
+ private static final boolean JUST_CORRUPT_IT = Boolean.getBoolean("Paper.ignoreWorldDataVersion");
|
|
+ // Paper end
|
|
+
|
|
public static InProgressChunkHolder loadChunk(ServerLevel world, StructureManager structureManager, PoiManager poiStorage, ChunkPos pos, CompoundTag nbt, boolean distinguish) {
|
|
java.util.ArrayDeque<Runnable> tasksToExecuteOnMain = new java.util.ArrayDeque<>();
|
|
// Paper end
|
|
ChunkGenerator chunkgenerator = world.getChunkSource().getGenerator();
|
|
+ // Paper start - Do NOT attempt to load chunks saved with newer versions
|
|
+ if (nbt.contains("DataVersion", 99)) {
|
|
+ int dataVersion = nbt.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
|
|
BiomeSource worldchunkmanager = chunkgenerator.getBiomeSource();
|
|
CompoundTag nbttagcompound1 = nbt.getCompound("Level"); // Paper - diff on change, see ChunkSerializer#getChunkCoordinate
|
|
ChunkPos chunkcoordintpair1 = new ChunkPos(nbttagcompound1.getInt("xPos"), nbttagcompound1.getInt("zPos")); // Paper - diff on change, see ChunkSerializer#getChunkCoordinate
|