PaperMC/paper-server/patches/features/0010-Handle-Oversized-block-entities-in-chunks.patch
2024-12-21 13:45:04 +01:00

64 lines
3.5 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 block 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 <Spottedleaf@users.noreply.github.com>
diff --git a/net/minecraft/network/protocol/game/ClientboundLevelChunkPacketData.java b/net/minecraft/network/protocol/game/ClientboundLevelChunkPacketData.java
index 3aea76690bc3e35758d3bf274777130af17d8a0f..9e321ef1c3d5803519b243685f4ee598dc0cf640 100644
--- a/net/minecraft/network/protocol/game/ClientboundLevelChunkPacketData.java
+++ b/net/minecraft/network/protocol/game/ClientboundLevelChunkPacketData.java
@@ -27,6 +27,14 @@ public class ClientboundLevelChunkPacketData {
private final CompoundTag heightmaps;
private final byte[] buffer;
private final List<ClientboundLevelChunkPacketData.BlockEntityInfo> blockEntitiesData;
+ // Paper start - Handle oversized block entities in chunks
+ private final java.util.List<net.minecraft.network.protocol.Packet<?>> extraPackets = new java.util.ArrayList<>();
+ private static final int BLOCK_ENTITY_LIMIT = Integer.getInteger("Paper.excessiveTELimit", 750);
+
+ public List<net.minecraft.network.protocol.Packet<?>> getExtraPackets() {
+ return this.extraPackets;
+ }
+ // Paper end - Handle oversized block entities in chunks
// Paper start - Anti-Xray - Add chunk packet info
@Deprecated @io.papermc.paper.annotation.DoNotUse
@@ -50,8 +58,18 @@ public class ClientboundLevelChunkPacketData {
}
extractChunkData(new FriendlyByteBuf(this.getWriteBuffer()), levelChunk, chunkPacketInfo);
this.blockEntitiesData = Lists.newArrayList();
+ int totalTileEntities = 0; // Paper - Handle oversized block entities in chunks
for (Entry<BlockPos, BlockEntity> entryx : levelChunk.getBlockEntities().entrySet()) {
+ // Paper start - Handle oversized block entities in chunks
+ if (++totalTileEntities > BLOCK_ENTITY_LIMIT) {
+ net.minecraft.network.protocol.Packet<ClientGamePacketListener> packet = entryx.getValue().getUpdatePacket();
+ if (packet != null) {
+ this.extraPackets.add(packet);
+ continue;
+ }
+ }
+ // Paper end - Handle oversized block entities in chunks
this.blockEntitiesData.add(ClientboundLevelChunkPacketData.BlockEntityInfo.create(entryx.getValue()));
}
}
diff --git a/net/minecraft/network/protocol/game/ClientboundLevelChunkWithLightPacket.java b/net/minecraft/network/protocol/game/ClientboundLevelChunkWithLightPacket.java
index 5699bc15eba92e22433a20cb8326b59f2ebd3036..8578d1f78ddd1bb75f3230f04bfaa35af9f5f822 100644
--- a/net/minecraft/network/protocol/game/ClientboundLevelChunkWithLightPacket.java
+++ b/net/minecraft/network/protocol/game/ClientboundLevelChunkWithLightPacket.java
@@ -84,4 +84,11 @@ public class ClientboundLevelChunkWithLightPacket implements Packet<ClientGamePa
public ClientboundLightUpdatePacketData getLightData() {
return this.lightData;
}
+
+ // Paper start - Handle oversized block entities in chunks
+ @Override
+ public java.util.List<Packet<?>> getExtraPackets() {
+ return this.chunkData.getExtraPackets();
+ }
+ // Paper end - Handle oversized block entities in chunks
}