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Upstream has released updates that appear to apply and compile correctly. This update has not been tested by PaperMC and as with ANY update, please do your own testing CraftBukkit Changes: ab8ace685 SPIGOT-7236: Bone meal doesn't increase use statistic 7dcb59b8e Avoid switch on material in previous commit Spigot Changes: 19641c75 SPIGOT-7235: World.Spigot#strikeLightningEffect doesn't do anything
98 lines
4.4 KiB
Diff
98 lines
4.4 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: Sun, 19 Dec 2021 09:13:41 -0800
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Subject: [PATCH] Only write chunk data to disk if it serializes without
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throwing
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This ensures at least a valid version of the chunk exists
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on disk, even if outdated
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diff --git a/src/main/java/net/minecraft/world/level/chunk/storage/RegionFile.java b/src/main/java/net/minecraft/world/level/chunk/storage/RegionFile.java
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index 9bae47f99336c377beb72c4b50b7f01cb4db15da..dcfe090c269d4cbcc2eb1b6f85392848bb34656c 100644
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--- a/src/main/java/net/minecraft/world/level/chunk/storage/RegionFile.java
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+++ b/src/main/java/net/minecraft/world/level/chunk/storage/RegionFile.java
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@@ -1004,6 +1004,9 @@ public class RegionFile implements AutoCloseable {
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}
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}
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+
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+ public static final int MAX_CHUNK_SIZE = 500 * 1024 * 1024; // Paper - don't write garbage data to disk if writing serialization fails
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+
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// Paper end
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private class ChunkBuffer extends ByteArrayOutputStream {
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@@ -1019,6 +1022,24 @@ public class RegionFile implements AutoCloseable {
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this.pos = chunkcoordintpair;
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}
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+ // Paper start - don't write garbage data to disk if writing serialization fails
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+ @Override
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+ public void write(final int b) {
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+ if (this.count > MAX_CHUNK_SIZE) {
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+ throw new RegionFileStorage.RegionFileSizeException("Region file too large: " + this.count);
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+ }
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+ super.write(b);
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+ }
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+
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+ @Override
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+ public void write(final byte[] b, final int off, final int len) {
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+ if (this.count + len > MAX_CHUNK_SIZE) {
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+ throw new RegionFileStorage.RegionFileSizeException("Region file too large: " + (this.count + len));
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+ }
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+ super.write(b, off, len);
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+ }
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+ // Paper end
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+
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public void close() throws IOException {
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ByteBuffer bytebuffer = ByteBuffer.wrap(this.buf, 0, this.count);
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diff --git a/src/main/java/net/minecraft/world/level/chunk/storage/RegionFileStorage.java b/src/main/java/net/minecraft/world/level/chunk/storage/RegionFileStorage.java
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index d5b501bcb33a785ef0301bf6bb8d396b9d4fbb6a..bd502ca721de0cab438d995efa00ad0554c0d2fe 100644
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--- a/src/main/java/net/minecraft/world/level/chunk/storage/RegionFileStorage.java
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+++ b/src/main/java/net/minecraft/world/level/chunk/storage/RegionFileStorage.java
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@@ -302,10 +302,17 @@ public class RegionFileStorage implements AutoCloseable {
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NbtIo.write(nbt, (DataOutput) dataoutputstream);
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regionfile.setStatus(pos.x, pos.z, ChunkSerializer.getStatus(nbt)); // Paper - cache status on disk
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regionfile.setOversized(pos.x, pos.z, false); // Paper - We don't do this anymore, mojang stores differently, but clear old meta flag if it exists to get rid of our own meta file once last oversized is gone
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+ dataoutputstream.close(); // Paper - only write if successful
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+ // Paper start - don't write garbage data to disk if writing serialization fails
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+ } catch (RegionFileSizeException e) {
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+ attempts = 5; // Don't retry
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+ regionfile.clear(pos);
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+ throw e;
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+ // Paper end - don't write garbage data to disk if writing serialization fails
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} catch (Throwable throwable) {
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if (dataoutputstream != null) {
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try {
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- dataoutputstream.close();
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+ //dataoutputstream.close(); // Paper - don't write garbage data to disk if writing serialization fails
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} catch (Throwable throwable1) {
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throwable.addSuppressed(throwable1);
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}
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@@ -313,10 +320,7 @@ public class RegionFileStorage implements AutoCloseable {
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throw throwable;
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}
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-
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- if (dataoutputstream != null) {
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- dataoutputstream.close();
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- }
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+ // Paper - move into try block to only write if successfully serialized
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}
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// Paper start
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return;
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@@ -362,4 +366,13 @@ public class RegionFileStorage implements AutoCloseable {
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}
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}
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+
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+ // Paper start
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+ public static final class RegionFileSizeException extends RuntimeException {
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+
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+ public RegionFileSizeException(String message) {
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+ super(message);
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+ }
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+ }
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+ // Paper end
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}
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