mirror of
https://github.com/PaperMC/Paper.git
synced 2024-12-01 20:50:41 +01:00
51 lines
3.5 KiB
Diff
51 lines
3.5 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
|
|
From: Spottedleaf <Spottedleaf@users.noreply.github.com>
|
|
Date: Fri, 27 Dec 2019 09:42:26 -0800
|
|
Subject: [PATCH] Guard against serializing mismatching chunk coordinate
|
|
|
|
Should help if something dumb happens
|
|
|
|
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 24892ae367e19038625e243bcdf1bb694632ede5..b4ea37dfa90f0c19914ecd32ddedde586d9d5f78 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
|
|
@@ -94,8 +94,20 @@ public class ChunkSerializer {
|
|
|
|
public ChunkSerializer() {}
|
|
|
|
+ // Paper start - guard against serializing mismatching coordinates
|
|
+ // TODO Note: This needs to be re-checked each update
|
|
+ public static ChunkPos getChunkCoordinate(final CompoundTag chunkData) {
|
|
+ final int dataVersion = ChunkStorage.getVersion(chunkData);
|
|
+ if (dataVersion < 2842) { // Level tag is removed after this version
|
|
+ final CompoundTag levelData = chunkData.getCompound("Level");
|
|
+ return new ChunkPos(levelData.getInt("xPos"), levelData.getInt("zPos"));
|
|
+ } else {
|
|
+ return new ChunkPos(chunkData.getInt("xPos"), chunkData.getInt("zPos"));
|
|
+ }
|
|
+ }
|
|
+ // Paper end - guard against serializing mismatching coordinates
|
|
public static ProtoChunk read(ServerLevel world, PoiManager poiStorage, ChunkPos chunkPos, CompoundTag nbt) {
|
|
- ChunkPos chunkcoordintpair1 = new ChunkPos(nbt.getInt("xPos"), nbt.getInt("zPos"));
|
|
+ ChunkPos chunkcoordintpair1 = new ChunkPos(nbt.getInt("xPos"), nbt.getInt("zPos")); // Paper - guard against serializing mismatching coordinates; diff on change, see ChunkSerializer#getChunkCoordinate
|
|
|
|
if (!Objects.equals(chunkPos, chunkcoordintpair1)) {
|
|
ChunkSerializer.LOGGER.error("Chunk file at {} is in the wrong location; relocating. (Expected {}, got {})", new Object[]{chunkPos, chunkPos, chunkcoordintpair1});
|
|
diff --git a/src/main/java/net/minecraft/world/level/chunk/storage/ChunkStorage.java b/src/main/java/net/minecraft/world/level/chunk/storage/ChunkStorage.java
|
|
index 6c0f87535ffa95cf82ab4b03bb7bf8f2132d275f..ab6b4491d4278b3839b7363d9890bd12a757e4cc 100644
|
|
--- a/src/main/java/net/minecraft/world/level/chunk/storage/ChunkStorage.java
|
|
+++ b/src/main/java/net/minecraft/world/level/chunk/storage/ChunkStorage.java
|
|
@@ -157,6 +157,13 @@ public class ChunkStorage implements AutoCloseable {
|
|
}
|
|
|
|
public void write(ChunkPos chunkPos, CompoundTag nbt) {
|
|
+ // Paper start - guard against serializing mismatching coordinates
|
|
+ if (nbt != null && !chunkPos.equals(ChunkSerializer.getChunkCoordinate(nbt))) {
|
|
+ final String world = (this instanceof net.minecraft.server.level.ChunkMap) ? ((net.minecraft.server.level.ChunkMap) this).level.getWorld().getName() : null;
|
|
+ throw new IllegalArgumentException("Chunk coordinate and serialized data do not have matching coordinates, trying to serialize coordinate " + chunkPos
|
|
+ + " but compound says coordinate is " + ChunkSerializer.getChunkCoordinate(nbt) + (world == null ? " for an unknown world" : (" for world: " + world)));
|
|
+ }
|
|
+ // Paper end - guard against serializing mismatching coordinates
|
|
this.worker.store(chunkPos, nbt);
|
|
if (this.legacyStructureHandler != null) {
|
|
this.legacyStructureHandler.removeIndex(chunkPos.toLong());
|