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2873869bb1
Signs no longer have a specific isEdiable state, the entire API in this regard needs updating/deprecation. The boolean field is completely gone, replaced by a uuid (which will need a new setEditingPlayer(UUID) method on the Sign interface), and the current upstream implementation of setEdiable simply flips the is_waxed state. This patch is hence not needed as it neither allows editing (which will be redone in a later patch) nor is required to copy the is_waxed boolean flag as it lives in the signs compound tag and is covered by applyTo.
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on disk, even if outdated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 c2643f61fe5efb62d15f0798db691c76c7674a6e..81554c321a78258ff78da3801f00d0fb90b9e113 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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@@ -345,10 +345,17 @@ 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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@@ -356,10 +363,7 @@ 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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@@ -405,4 +409,13 @@ 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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