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01a13871de
Patch documentation to come Issues with the old system that are fixed now: - World generation does not scale with cpu cores effectively. - Relies on the main thread for scheduling and maintaining chunk state, dropping chunk load/generate rates at lower tps. - Unreliable prioritisation of chunk gen/load calls that block the main thread. - Shutdown logic is utterly unreliable, as it has to wait for all chunks to unload - is it guaranteed that the chunk system is in a state on shutdown that it can reliably do this? Watchdog shutdown also typically failed due to thread checks, which is now resolved. - Saving of data is not unified (i.e can save chunk data without saving entity data, poses problems for desync if shutdown is really abnormal. - Entities are not loaded with chunks. This caused quite a bit of headache for Chunk#getEntities API, but now the new chunk system loads entities with chunks so that they are ready whenever the chunk loads in. Effectively brings the behavior back to 1.16 era, but still storing entities in their own separate regionfiles. The above list is not complete. The patch documentation will complete it. New chunk system hard relies on starlight and dataconverter, and most importantly the new concurrent utilities in ConcurrentUtil. Some of the old async chunk i/o interface (i.e the old file io thread reroutes _some_ calls to the new file io thread) is kept for plugin compat reasons. It will be removed in the next major version of minecraft. The old legacy chunk system patches have been moved to the removed folder in case we need them again.
48 lines
3 KiB
Diff
48 lines
3 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Owen1212055 <23108066+Owen1212055@users.noreply.github.com>
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Date: Fri, 3 Dec 2021 16:55:50 -0500
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Subject: [PATCH] Sanitize Sent BlockEntity NBT
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diff --git a/src/main/java/net/minecraft/network/protocol/game/ClientboundBlockEntityDataPacket.java b/src/main/java/net/minecraft/network/protocol/game/ClientboundBlockEntityDataPacket.java
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index 12d7cb0eb485987d245454fa2d9fef67ea7e9c76..b1e326cf4f7fe447f81b588dcb0eda9a435e59a8 100644
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--- a/src/main/java/net/minecraft/network/protocol/game/ClientboundBlockEntityDataPacket.java
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+++ b/src/main/java/net/minecraft/network/protocol/game/ClientboundBlockEntityDataPacket.java
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@@ -17,7 +17,7 @@ public class ClientboundBlockEntityDataPacket implements Packet<ClientGamePacket
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private final CompoundTag tag;
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public static ClientboundBlockEntityDataPacket create(BlockEntity blockEntity, Function<BlockEntity, CompoundTag> nbtGetter) {
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- return new ClientboundBlockEntityDataPacket(blockEntity.getBlockPos(), blockEntity.getType(), nbtGetter.apply(blockEntity));
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+ return new ClientboundBlockEntityDataPacket(blockEntity.getBlockPos(), blockEntity.getType(), blockEntity.sanitizeSentNbt(nbtGetter.apply(blockEntity))); // Paper - Sanitize sent data
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}
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public static ClientboundBlockEntityDataPacket create(BlockEntity blockEntity) {
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diff --git a/src/main/java/net/minecraft/network/protocol/game/ClientboundLevelChunkPacketData.java b/src/main/java/net/minecraft/network/protocol/game/ClientboundLevelChunkPacketData.java
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index 2b35059cfe7a27238e0a74df058733897a26ac1c..76b6437a1d807c7e1b673f8feeed1f171ee9a803 100644
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--- a/src/main/java/net/minecraft/network/protocol/game/ClientboundLevelChunkPacketData.java
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+++ b/src/main/java/net/minecraft/network/protocol/game/ClientboundLevelChunkPacketData.java
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@@ -183,6 +183,7 @@ public class ClientboundLevelChunkPacketData {
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CompoundTag compoundTag = blockEntity.getUpdateTag();
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BlockPos blockPos = blockEntity.getBlockPos();
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int i = SectionPos.sectionRelative(blockPos.getX()) << 4 | SectionPos.sectionRelative(blockPos.getZ());
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+ blockEntity.sanitizeSentNbt(compoundTag); // Paper - Sanitize sent data
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return new ClientboundLevelChunkPacketData.BlockEntityInfo(i, blockPos.getY(), blockEntity.getType(), compoundTag.isEmpty() ? null : compoundTag);
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}
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}
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diff --git a/src/main/java/net/minecraft/world/level/block/entity/BlockEntity.java b/src/main/java/net/minecraft/world/level/block/entity/BlockEntity.java
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index d62181bd8bccfcfdd7da8f635bdf7ebc36294705..b96d57b0bcf21508f8e03e96b7553eb486fdf212 100644
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--- a/src/main/java/net/minecraft/world/level/block/entity/BlockEntity.java
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+++ b/src/main/java/net/minecraft/world/level/block/entity/BlockEntity.java
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@@ -256,4 +256,12 @@ public abstract class BlockEntity {
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return null;
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}
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// CraftBukkit end
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+ // Paper start
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+ public CompoundTag sanitizeSentNbt(CompoundTag tag) {
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+ tag.remove("PublicBukkitValues");
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+
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+ return tag;
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+ }
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+ // Paper end
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+
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}
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