Paper/Remapped-Spigot-Server-Patches/0329-Handle-Oversized-Tile-Entities-in-chunks.patch
2021-06-11 13:56:17 +02:00

55 lines
2.7 KiB
Diff

From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Aikar <aikar@aikar.co>
Date: Wed, 6 May 2020 05:00:57 -0400
Subject: [PATCH] Handle Oversized Tile Entities in chunks
Splits out Extra Packets if too many TE's are encountered to prevent
creating too large of a packet to sed.
Co authored by Spottedleaf
diff --git a/src/main/java/net/minecraft/network/protocol/game/ClientboundLevelChunkPacket.java b/src/main/java/net/minecraft/network/protocol/game/ClientboundLevelChunkPacket.java
index b7d303b5f51a35504888933efef74564fa01e59d..b587f774c8f88f2a1c3ea489f7e4fe0bbdeb5a41 100644
--- a/src/main/java/net/minecraft/network/protocol/game/ClientboundLevelChunkPacket.java
+++ b/src/main/java/net/minecraft/network/protocol/game/ClientboundLevelChunkPacket.java
@@ -34,7 +34,15 @@ public class ClientboundLevelChunkPacket implements Packet<ClientGamePacketListe
private boolean fullChunk;
public ClientboundLevelChunkPacket() {}
+ // Paper start
+ private final java.util.List<Packet> extraPackets = new java.util.ArrayList<>();
+ private static final int TE_LIMIT = Integer.getInteger("Paper.excessiveTELimit", 750);
+ @Override
+ public java.util.List<Packet> getExtraPackets() {
+ return extraPackets;
+ }
+ // Paper end
public ClientboundLevelChunkPacket(LevelChunk chunk, int includedSectionsMask) {
ChunkPos chunkcoordintpair = chunk.getPos();
@@ -61,6 +69,7 @@ public class ClientboundLevelChunkPacket implements Packet<ClientGamePacketListe
this.availableSections = this.extractChunkData(new FriendlyByteBuf(this.getWriteBuffer()), chunk, includedSectionsMask);
this.blockEntitiesTags = Lists.newArrayList();
iterator = chunk.getBlockEntities().entrySet().iterator();
+ int totalTileEntities = 0; // Paper
while (iterator.hasNext()) {
entry = (Entry) iterator.next();
@@ -69,6 +78,15 @@ public class ClientboundLevelChunkPacket implements Packet<ClientGamePacketListe
int j = blockposition.getY() >> 4;
if (this.isFullChunk() || (includedSectionsMask & 1 << j) != 0) {
+ // Paper start - improve oversized chunk data packet handling
+ if (++totalTileEntities > TE_LIMIT) {
+ ClientboundBlockEntityDataPacket updatePacket = tileentity.getUpdatePacket();
+ if (updatePacket != null) {
+ this.extraPackets.add(updatePacket);
+ continue;
+ }
+ }
+ // Paper end
CompoundTag nbttagcompound = tileentity.getUpdateTag();
if (tileentity instanceof SkullBlockEntity) { SkullBlockEntity.sanitizeTileEntityUUID(nbttagcompound); } // Paper