papermc/Spigot-Server-Patches/0347-Handle-Oversized-Tile-Entities-in-chunks.patch
Aikar 36f34f01c0
Updated Upstream (Bukkit/CraftBukkit)
Upstream has released updates that appears to apply and compile correctly.
This update has not been tested by PaperMC and as with ANY update, please do your own testing

Bukkit Changes:
da9ef3c5 #496: Add methods to get/set ItemStacks in EquipmentSlots
3abebc9f #492: Let Tameable extend Animals rather than Entity
941111a0 #495: Expose ItemStack and hand used in PlayerShearEntityEvent
4fe19cae #494: InventoryView - Add missing Brewing FUEL_TIME

CraftBukkit Changes:
933e9094 #664: Add methods to get/set ItemStacks in EquipmentSlots
18722312 #662: Expose ItemStack and hand used in PlayerShearEntityEvent
2020-05-06 06:05:22 -04:00

54 lines
2.5 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 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/server/PacketPlayOutMapChunk.java b/src/main/java/net/minecraft/server/PacketPlayOutMapChunk.java
index a0b87f89df77ba8ac6ce3f135d4f3a34ed2b3543..23223f3f45210cf23f44f9012f292db80df781a0 100644
--- a/src/main/java/net/minecraft/server/PacketPlayOutMapChunk.java
+++ b/src/main/java/net/minecraft/server/PacketPlayOutMapChunk.java
@@ -23,6 +23,15 @@ public class PacketPlayOutMapChunk implements Packet<PacketListenerPlayOut> {
public PacketPlayOutMapChunk() {}
+ // 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 PacketPlayOutMapChunk(Chunk chunk, int i) {
ChunkCoordIntPair chunkcoordintpair = chunk.getPos();
@@ -49,6 +58,7 @@ public class PacketPlayOutMapChunk implements Packet<PacketListenerPlayOut> {
this.c = this.a(new PacketDataSerializer(this.j()), chunk, i);
this.g = Lists.newArrayList();
iterator = chunk.getTileEntities().entrySet().iterator();
+ int totalTileEntities = 0; // Paper
while (iterator.hasNext()) {
entry = (Entry) iterator.next();
@@ -57,6 +67,15 @@ public class PacketPlayOutMapChunk implements Packet<PacketListenerPlayOut> {
int j = blockposition.getY() >> 4;
if (this.f() || (i & 1 << j) != 0) {
+ // Paper start - improve oversized chunk data packet handling
+ if (++totalTileEntities > TE_LIMIT) {
+ PacketPlayOutTileEntityData updatePacket = tileentity.getUpdatePacket();
+ if (updatePacket != null) {
+ this.extraPackets.add(updatePacket);
+ continue;
+ }
+ }
+ // Paper end
NBTTagCompound nbttagcompound = tileentity.b();
if (tileentity instanceof TileEntitySkull) { TileEntitySkull.sanitizeTileEntityUUID(nbttagcompound); } // Paper