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https://github.com/PaperMC/Paper.git
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d8847bc1f3
Upstream has released updates that appear 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: fde5602a PR-927: Add PlayerRecipeBookSettingsChangeEvent 949ff217 PR-930: Add methods to get/set evoker fang attack delay f6f7c79d SPIGOT-7514, PR-929: Add "Enchantment Roll" API to enchant items according to Minecraft mechanics d40e22da PR-712: Add API to get full result of crafting items CraftBukkit Changes: c8feb0629 PR-1291: Improve precondition message in Entity#playEffect 482c56a00 PR-1285: Add PlayerRecipeBookSettingsChangeEvent cdf798800 PR-1290: Add methods to get/set evoker fang attack delay 2c1b5f78f SPIGOT-7514, PR-1289: Add "Enchantment Roll" API to enchant items according to Minecraft mechanics 6aa644ae9 PR-992: Add API to get full result of crafting items ffb1319bc PR-1287: Fix scoreboards not updating in Player#setStatistic
41 lines
2.8 KiB
Diff
41 lines
2.8 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Shane Freeder <theboyetronic@gmail.com>
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Date: Sat, 12 Dec 2020 23:45:28 +0000
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Subject: [PATCH] Limit recipe packets
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diff --git a/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java b/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java
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index 12f88573544269bc7276ca51d7f31be98bd60654..d8ae73b68e449a2ab7e39acf3c120248948480d6 100644
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--- a/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java
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+++ b/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java
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@@ -254,6 +254,7 @@ public class ServerGamePacketListenerImpl extends ServerCommonPacketListenerImpl
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// CraftBukkit start - multithreaded fields
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private final AtomicInteger chatSpamTickCount = new AtomicInteger();
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private final java.util.concurrent.atomic.AtomicInteger tabSpamLimiter = new java.util.concurrent.atomic.AtomicInteger(); // Paper - configurable tab spam limits
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+ private final java.util.concurrent.atomic.AtomicInteger recipeSpamPackets = new java.util.concurrent.atomic.AtomicInteger(); // Paper - auto recipe limit
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// CraftBukkit end
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private int dropSpamTickCount;
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private double firstGoodX;
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@@ -375,6 +376,7 @@ public class ServerGamePacketListenerImpl extends ServerCommonPacketListenerImpl
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// CraftBukkit start
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for (int spam; (spam = this.chatSpamTickCount.get()) > 0 && !this.chatSpamTickCount.compareAndSet(spam, spam - 1); ) ;
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if (tabSpamLimiter.get() > 0) tabSpamLimiter.getAndDecrement(); // Paper - split to seperate variable
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+ if (recipeSpamPackets.get() > 0) recipeSpamPackets.getAndDecrement(); // Paper
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/* Use thread-safe field access instead
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if (this.chatSpamTickCount > 0) {
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--this.chatSpamTickCount;
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@@ -2975,6 +2977,14 @@ public class ServerGamePacketListenerImpl extends ServerCommonPacketListenerImpl
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@Override
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public void handlePlaceRecipe(ServerboundPlaceRecipePacket packet) {
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+ // Paper start
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+ if (!org.bukkit.Bukkit.isPrimaryThread()) {
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+ if (this.recipeSpamPackets.addAndGet(io.papermc.paper.configuration.GlobalConfiguration.get().spamLimiter.recipeSpamIncrement) > io.papermc.paper.configuration.GlobalConfiguration.get().spamLimiter.recipeSpamLimit) {
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+ this.server.scheduleOnMain(() -> this.disconnect(net.minecraft.network.chat.Component.translatable("disconnect.spam", new Object[0]))); // Paper
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+ return;
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+ }
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+ }
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+ // Paper end
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PacketUtils.ensureRunningOnSameThread(packet, this, this.player.serverLevel());
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this.player.resetLastActionTime();
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if (!this.player.isSpectator() && this.player.containerMenu.containerId == packet.getContainerId() && this.player.containerMenu instanceof RecipeBookMenu) {
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