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50 lines
2.6 KiB
Diff
50 lines
2.6 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Aikar <aikar@aikar.co>
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Date: Wed, 6 May 2020 05:00:57 -0400
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Subject: [PATCH] Handle Oversized Tile Entities in chunks
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Splits out Extra Packets if too many TE's are encountered to prevent
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creating too large of a packet to sed.
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Co authored by Spottedleaf
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diff --git a/src/main/java/net/minecraft/network/protocol/game/ClientboundLevelChunkPacket.java b/src/main/java/net/minecraft/network/protocol/game/ClientboundLevelChunkPacket.java
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index 96626835fee3c0fdb452acacdc9f737ad90c08de..c28879f32b004f36ff746ea2274f91ddd9501e71 100644
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--- a/src/main/java/net/minecraft/network/protocol/game/ClientboundLevelChunkPacket.java
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+++ b/src/main/java/net/minecraft/network/protocol/game/ClientboundLevelChunkPacket.java
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@@ -27,6 +27,15 @@ public class ClientboundLevelChunkPacket implements Packet<ClientGamePacketListe
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private final int[] biomes;
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private final byte[] buffer;
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private final List<CompoundTag> blockEntitiesTags;
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+ // Paper start
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+ private final java.util.List<Packet> extraPackets = new java.util.ArrayList<>();
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+ private static final int TE_LIMIT = Integer.getInteger("Paper.excessiveTELimit", 750);
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+
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+ @Override
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+ public java.util.List<Packet> getExtraPackets() {
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+ return extraPackets;
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+ }
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+ // Paper end
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public ClientboundLevelChunkPacket(LevelChunk chunk) {
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ChunkPos chunkPos = chunk.getPos();
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@@ -44,9 +53,19 @@ public class ClientboundLevelChunkPacket implements Packet<ClientGamePacketListe
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this.buffer = new byte[this.calculateChunkSize(chunk)];
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this.availableSections = this.extractChunkData(new FriendlyByteBuf(this.getWriteBuffer()), chunk);
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this.blockEntitiesTags = Lists.newArrayList();
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+ int totalTileEntities = 0; // Paper
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for(Entry<BlockPos, BlockEntity> entry2 : chunk.getBlockEntities().entrySet()) {
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BlockEntity blockEntity = entry2.getValue();
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+ // Paper start - improve oversized chunk data packet handling
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+ if (++totalTileEntities > TE_LIMIT) {
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+ ClientboundBlockEntityDataPacket updatePacket = blockEntity.getUpdatePacket();
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+ if (updatePacket != null) {
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+ this.extraPackets.add(updatePacket);
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+ continue;
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+ }
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+ }
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+ // Paper end
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CompoundTag compoundTag = blockEntity.getUpdateTag();
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if (blockEntity instanceof net.minecraft.world.level.block.entity.SkullBlockEntity) { net.minecraft.world.level.block.entity.SkullBlockEntity.sanitizeTileEntityUUID(compoundTag); } // Paper
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this.blockEntitiesTags.add(compoundTag);
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