PaperMC/CraftBukkit-Patches/0112-Limit-block-placement-interaction-packets.patch
2016-03-14 00:58:34 -05:00

79 lines
2.8 KiB
Diff

From 80a3ac9101388c99787260b3617c8329199848cd Mon Sep 17 00:00:00 2001
From: Thinkofdeath <thinkofdeath@spigotmc.org>
Date: Sun, 29 Jun 2014 21:10:34 +0100
Subject: [PATCH] Limit block placement/interaction packets
diff --git a/src/main/java/net/minecraft/server/PacketPlayInArmAnimation.java b/src/main/java/net/minecraft/server/PacketPlayInArmAnimation.java
deleted file mode 100644
index cb0356e..0000000
--- a/src/main/java/net/minecraft/server/PacketPlayInArmAnimation.java
+++ /dev/null
@@ -1,30 +0,0 @@
-package net.minecraft.server;
-
-import java.io.IOException;
-
-public class PacketPlayInArmAnimation implements Packet<PacketListenerPlayIn> {
-
- private EnumHand a;
-
- public PacketPlayInArmAnimation() {}
-
- public PacketPlayInArmAnimation(EnumHand enumhand) {
- this.a = enumhand;
- }
-
- public void a(PacketDataSerializer packetdataserializer) throws IOException {
- this.a = (EnumHand) packetdataserializer.a(EnumHand.class);
- }
-
- public void b(PacketDataSerializer packetdataserializer) throws IOException {
- packetdataserializer.a((Enum) this.a);
- }
-
- public void a(PacketListenerPlayIn packetlistenerplayin) {
- packetlistenerplayin.a(this);
- }
-
- public EnumHand a() {
- return this.a;
- }
-}
diff --git a/src/main/java/net/minecraft/server/PlayerConnection.java b/src/main/java/net/minecraft/server/PlayerConnection.java
index fec19f1..f354985 100644
--- a/src/main/java/net/minecraft/server/PlayerConnection.java
+++ b/src/main/java/net/minecraft/server/PlayerConnection.java
@@ -898,6 +898,10 @@ public class PlayerConnection implements PacketListenerPlayIn, ITickable {
}
+ // Spigot start - limit place/interactions
+ private long lastPlace = -1;
+ private int packets = 0;
+ // Spigot end
public void a(PacketPlayInBlockPlace packetplayinblockplace) {
PlayerConnectionUtils.ensureMainThread(packetplayinblockplace, this, this.player.x());
if (this.player.dead) return; // CraftBukkit
@@ -906,7 +910,17 @@ public class PlayerConnection implements PacketListenerPlayIn, ITickable {
ItemStack itemstack = this.player.b(enumhand);
this.player.resetIdleTimer();
- if (itemstack != null) {
+ // Spigot start
+ boolean throttled = false;
+ if (lastPlace != -1 && packetplayinblockplace.timestamp - lastPlace < 30 && packets++ >= 4) {
+ throttled = true;
+ } else if ( packetplayinblockplace.timestamp - lastPlace >= 30 || lastPlace == -1 )
+ {
+ lastPlace = packetplayinblockplace.timestamp;
+ packets = 0;
+ }
+ // Spigot end
+ if (!throttled && itemstack != null) { // Spigot - skip the event if throttled
// CraftBukkit start
// Raytrace to look for 'rogue armswings'
float f1 = this.player.pitch;
--
2.5.0