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https://github.com/PaperMC/Paper.git
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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 Developers!: You will need to clean up your work/Minecraft/1.13.2 folder for this Also, restore a patch that was dropped in the last upstream Bukkit Changes: 279eeab3 Fix command description not being set 96e2bb18 Remove debug print from SyntheticEventTest CraftBukkit Changes:d3ed1516
Fix dangerously threaded beacons217a293d
Don't relocate joptsimple to allow --help to work.1be05a21
Prepare for imminent Java 12 releasea49270b2
Mappings Update5259d80c
SPIGOT-4669: Fix PlayerTeleportEvent coordinates for relative teleports Spigot Changes: e6eb36f2 Rebuild patches
90 lines
4.2 KiB
Diff
90 lines
4.2 KiB
Diff
From 3fb9b4659a7ce71a5b57e0df3ae085d6dc2762e0 Mon Sep 17 00:00:00 2001
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From: Aikar <aikar@aikar.co>
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Date: Sat, 2 Mar 2019 14:55:01 -0500
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Subject: [PATCH] Handle Excessive Signs in Chunks creating too large of
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packets
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Also adds a limit to stop sending Sign data to client after 500
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signs per chunk to limit client lag.
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Use -DPaper.excessiveSignsLimit=500 to configure that limit, or -1
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to disable the limit and let your players be abused.
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diff --git a/src/main/java/net/minecraft/server/NetworkManager.java b/src/main/java/net/minecraft/server/NetworkManager.java
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index 553637239..30f646e42 100644
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--- a/src/main/java/net/minecraft/server/NetworkManager.java
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+++ b/src/main/java/net/minecraft/server/NetworkManager.java
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@@ -221,6 +221,15 @@ public class NetworkManager extends SimpleChannelInboundHandler<Packet<?>> {
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});
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}
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+ // Paper start
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+ java.util.List<Packet> extraPackets = packet.getExtraPackets();
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+ if (extraPackets != null && !extraPackets.isEmpty()) {
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+ for (Packet extraPacket : extraPackets) {
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+ this.dispatchPacket(extraPacket, genericfuturelistener);
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+ }
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+ }
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+ // Paper end
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+
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}
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// Paper start - Async-Anti-Xray - Stop dispatching further packets and return false if the peeked packet is a chunk packet which is not ready
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diff --git a/src/main/java/net/minecraft/server/Packet.java b/src/main/java/net/minecraft/server/Packet.java
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index 2d8e6a2f4..8d0965a05 100644
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--- a/src/main/java/net/minecraft/server/Packet.java
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+++ b/src/main/java/net/minecraft/server/Packet.java
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@@ -11,6 +11,7 @@ public interface Packet<T extends PacketListener> {
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void a(T t0);
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// Paper start
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+ default java.util.List<Packet> getExtraPackets() { return null; }
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default boolean packetTooLarge(NetworkManager manager) {
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return false;
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}
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diff --git a/src/main/java/net/minecraft/server/PacketPlayOutMapChunk.java b/src/main/java/net/minecraft/server/PacketPlayOutMapChunk.java
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index 4a57e8a3e..eb54bdb64 100644
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--- a/src/main/java/net/minecraft/server/PacketPlayOutMapChunk.java
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+++ b/src/main/java/net/minecraft/server/PacketPlayOutMapChunk.java
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@@ -23,6 +23,13 @@ public class PacketPlayOutMapChunk implements Packet<PacketListenerPlayOut> {
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this.ready = true; // Paper - Async-Anti-Xray - Set the ready flag to true
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}
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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 SKIP_EXCESSIVE_SIGNS_LIMIT = Integer.getInteger("Paper.excessiveSignsLimit", 500);
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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 PacketPlayOutMapChunk(Chunk chunk, int i) {
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ChunkPacketInfo<IBlockData> chunkPacketInfo = chunk.world.chunkPacketBlockController.getChunkPacketInfo(this, chunk, i); // Paper - Anti-Xray - Add chunk packet info
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this.a = chunk.locX;
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@@ -41,6 +48,7 @@ public class PacketPlayOutMapChunk implements Packet<PacketListenerPlayOut> {
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this.c = this.writeChunk(new PacketDataSerializer(this.h()), chunk, flag, i, chunkPacketInfo); // Paper - Anti-Xray - Add chunk packet info
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this.e = Lists.newArrayList();
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Iterator iterator = chunk.getTileEntities().entrySet().iterator();
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+ int totalSigns = 0; // Paper
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while (iterator.hasNext()) {
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Entry<BlockPosition, TileEntity> entry = (Entry) iterator.next();
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@@ -49,6 +57,15 @@ public class PacketPlayOutMapChunk implements Packet<PacketListenerPlayOut> {
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int j = blockposition.getY() >> 4;
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if (this.f() || (i & 1 << j) != 0) {
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+ // Paper start - send signs separately
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+ if (tileentity instanceof TileEntitySign) {
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+ if (SKIP_EXCESSIVE_SIGNS_LIMIT < 0 || ++totalSigns < SKIP_EXCESSIVE_SIGNS_LIMIT) {
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+ extraPackets.add(tileentity.getUpdatePacket());
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+ }
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+ continue;
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+ }
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+ // Paper end
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+
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NBTTagCompound nbttagcompound = tileentity.aa_();
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if (tileentity instanceof TileEntitySkull) { TileEntitySkull.sanitizeTileEntityUUID(nbttagcompound); } // Paper
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--
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2.21.0
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