mirror of
https://github.com/PaperMC/Paper.git
synced 2024-12-27 06:50:12 +01:00
63 lines
4.2 KiB
Diff
63 lines
4.2 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/ChunkStorage.java b/src/main/java/net/minecraft/world/level/chunk/storage/ChunkStorage.java
|
|
index 329e7eb1c3e92445b3fae9e1e79d0497b7e3e3f2..909acbf5b8c6edcb4529647c11464d911d6f8c15 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
|
|
@@ -172,8 +172,19 @@ public class ChunkStorage implements AutoCloseable {
|
|
}
|
|
|
|
public CompletableFuture<Void> write(ChunkPos chunkPos, Supplier<CompoundTag> nbtSupplier) {
|
|
+ // Paper start - guard against possible chunk pos desync
|
|
+ final Supplier<CompoundTag> guardedPosCheck = () -> {
|
|
+ CompoundTag nbt = nbtSupplier.get();
|
|
+ if (nbt != null && !chunkPos.equals(SerializableChunkData.getChunkCoordinate(nbt))) {
|
|
+ final String world = (ChunkStorage.this instanceof net.minecraft.server.level.ChunkMap) ? ((net.minecraft.server.level.ChunkMap) ChunkStorage.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 " + SerializableChunkData.getChunkCoordinate(nbt) + (world == null ? " for an unknown world" : (" for world: " + world)));
|
|
+ }
|
|
+ return nbt;
|
|
+ };
|
|
+ // Paper end - guard against possible chunk pos desync
|
|
this.handleLegacyStructureIndex(chunkPos);
|
|
- return this.worker.store(chunkPos, nbtSupplier);
|
|
+ return this.worker.store(chunkPos, guardedPosCheck); // Paper - guard against possible chunk pos desync
|
|
}
|
|
|
|
protected void handleLegacyStructureIndex(ChunkPos chunkPos) {
|
|
diff --git a/src/main/java/net/minecraft/world/level/chunk/storage/SerializableChunkData.java b/src/main/java/net/minecraft/world/level/chunk/storage/SerializableChunkData.java
|
|
index 4367ccc628bb4f404d6a081083002518442f462b..92ad7704a77c024afe090488764eaf59a4f7505f 100644
|
|
--- a/src/main/java/net/minecraft/world/level/chunk/storage/SerializableChunkData.java
|
|
+++ b/src/main/java/net/minecraft/world/level/chunk/storage/SerializableChunkData.java
|
|
@@ -91,13 +91,25 @@ public record SerializableChunkData(Registry<Biome> biomeRegistry, ChunkPos chun
|
|
public static final String SECTIONS_TAG = "sections";
|
|
public static final String BLOCK_LIGHT_TAG = "BlockLight";
|
|
public static final String SKY_LIGHT_TAG = "SkyLight";
|
|
+ // 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
|
|
|
|
@Nullable
|
|
public static SerializableChunkData parse(LevelHeightAccessor world, RegistryAccess registryManager, CompoundTag nbt) {
|
|
if (!nbt.contains("Status", 8)) {
|
|
return null;
|
|
} else {
|
|
- ChunkPos chunkcoordintpair = new ChunkPos(nbt.getInt("xPos"), nbt.getInt("zPos"));
|
|
+ ChunkPos chunkcoordintpair = new ChunkPos(nbt.getInt("xPos"), nbt.getInt("zPos")); // Paper - guard against serializing mismatching coordinates; diff on change, see ChunkSerializer#getChunkCoordinate
|
|
long i = nbt.getLong("LastUpdate");
|
|
long j = nbt.getLong("InhabitedTime");
|
|
ChunkStatus chunkstatus = ChunkStatus.byName(nbt.getString("Status"));
|