mirror of
https://github.com/PaperMC/Paper.git
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0708fa363b
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 CraftBukkit Changes:eb2e6578SPIGOT-5116: Fix concurrent modification exception inside ChunkMapDistance989f9b3dSPIGOT-4849: Fix server crash when accessing chunks during chunk load/unload/populate eventsf554183cSPIGOT-5171: Don't fire PlayerTeleportEvent if not actually moving2349feb8SPIGOT-5163: Cancelling PlayerBucketFillEvent visually removes the targeted block Spigot Changes: 9a643a6a Remove DataWatcher Locking
90 lines
3.8 KiB
Diff
90 lines
3.8 KiB
Diff
From d2140ba4accc710336ec38125f9119a5bdccd8c5 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 23fcdea17..ba23d2833 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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@@ -220,6 +220,15 @@ 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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private void sendPacketQueue() { this.o(); } // Paper - OBFHELPER
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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 58eccd9c6..ef71a1feb 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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@@ -20,6 +20,15 @@ public class PacketPlayOutMapChunk implements Packet<PacketListenerPlayOut> {
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public PacketPlayOutMapChunk() {}
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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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+
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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 PacketPlayOutMapChunk(Chunk chunk, int i) {
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ChunkCoordIntPair chunkcoordintpair = chunk.getPos();
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@@ -42,6 +51,7 @@ public class PacketPlayOutMapChunk implements Packet<PacketListenerPlayOut> {
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this.c = this.a(new PacketDataSerializer(this.i()), chunk, i);
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this.f = Lists.newArrayList();
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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 = (Entry) iterator.next();
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@@ -50,6 +60,14 @@ 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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+ this.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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NBTTagCompound nbttagcompound = tileentity.b();
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if (tileentity instanceof TileEntitySkull) { TileEntitySkull.sanitizeTileEntityUUID(nbttagcompound); } // Paper
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--
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2.22.0
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