58 Zeilen
3.6 KiB
Diff
58 Zeilen
3.6 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Spottedleaf <Spottedleaf@users.noreply.github.com>
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Date: Fri, 27 Dec 2019 09:42:26 -0800
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Subject: [PATCH] Guard against serializing mismatching chunk coordinate
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Should help if something dumb happens
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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
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index b8cf01fbfc3293bf78b1094a90da3594fa2067b4..b8f5ad1130b125f71a1feb1083120fb700b9bea1 100644
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--- a/src/main/java/net/minecraft/world/level/chunk/storage/ChunkSerializer.java
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+++ b/src/main/java/net/minecraft/world/level/chunk/storage/ChunkSerializer.java
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@@ -94,6 +94,18 @@ public class ChunkSerializer {
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public ChunkSerializer() {}
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+ // Paper start - guard against serializing mismatching coordinates
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+ // TODO Note: This needs to be re-checked each update
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+ public static ChunkPos getChunkCoordinate(CompoundTag chunkData) {
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+ final int dataVersion = ChunkStorage.getVersion(chunkData);
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+ if (dataVersion < 2842) { // Level tag is removed after this version
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+ final CompoundTag levelData = chunkData.getCompound("Level");
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+ return new ChunkPos(levelData.getInt("xPos"), levelData.getInt("zPos"));
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+ } else {
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+ return new ChunkPos(chunkData.getInt("xPos"), chunkData.getInt("zPos"));
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+ }
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+ }
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+ // Paper end
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// Paper start
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public static final class InProgressChunkHolder {
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@@ -119,7 +131,7 @@ public class ChunkSerializer {
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public static InProgressChunkHolder loadChunk(ServerLevel world, PoiManager poiStorage, ChunkPos chunkPos, CompoundTag nbt, boolean distinguish) {
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java.util.ArrayDeque<Runnable> tasksToExecuteOnMain = new java.util.ArrayDeque<>();
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// Paper end
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- ChunkPos chunkcoordintpair1 = new ChunkPos(nbt.getInt("xPos"), nbt.getInt("zPos"));
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+ ChunkPos chunkcoordintpair1 = new ChunkPos(nbt.getInt("xPos"), nbt.getInt("zPos")); // Paper - diff on change, see ChunkSerializer#getChunkCoordinate
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if (!Objects.equals(chunkPos, chunkcoordintpair1)) {
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ChunkSerializer.LOGGER.error("Chunk file at {} is in the wrong location; relocating. (Expected {}, got {})", new Object[]{chunkPos, chunkPos, chunkcoordintpair1});
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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
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index c3305cb49741523724ff7b3c9254a0df2cf3d6c6..e276b2ceddbb269ef9a8625f26cc1847ded3862a 100644
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--- a/src/main/java/net/minecraft/world/level/chunk/storage/ChunkStorage.java
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+++ b/src/main/java/net/minecraft/world/level/chunk/storage/ChunkStorage.java
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@@ -178,6 +178,13 @@ public class ChunkStorage implements AutoCloseable {
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// Paper start - async chunk io
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public void write(ChunkPos chunkPos, CompoundTag nbt) throws IOException {
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+ // Paper start
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+ if (!chunkPos.equals(ChunkSerializer.getChunkCoordinate(nbt))) {
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+ String world = (this instanceof net.minecraft.server.level.ChunkMap) ? ((net.minecraft.server.level.ChunkMap)this).level.getWorld().getName() : null;
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+ throw new IllegalArgumentException("Chunk coordinate and serialized data do not have matching coordinates, trying to serialize coordinate " + chunkPos.toString()
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+ + " but compound says coordinate is " + ChunkSerializer.getChunkCoordinate(nbt).toString() + (world == null ? " for an unknown world" : (" for world: " + world)));
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+ }
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+ // Paper end
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this.regionFileCache.write(chunkPos, nbt);
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// Paper end - Async chunk loading
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if (this.legacyStructureHandler != null) {
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