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Fix patch, need to investigate build issues

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Zach Brown 2016-09-10 22:45:09 -05:00
parent 8a8fc89534
commit 5626ad5f58
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GPG key ID: CC9DA35FC5450B76
1 changed files with 4 additions and 13 deletions
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17
Spigot-Server-Patches/0170-Rate-limit-PacketPlayInUseItem.patch
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@ -1,4 +1,4 @@
From 204b7b7e3cf0ed14e88407f662f7418c6fb4a1cf Mon Sep 17 00:00:00 2001
From 7d5d1e68148e2a526c03aeadffcda93ff8787394 Mon Sep 17 00:00:00 2001
From: Zach Brown <zach.brown@destroystokyo.com>
Date: Sat, 10 Sep 2016 21:40:51 -0500
Subject: [PATCH] Rate limit PacketPlayInUseItem
@ -33,7 +33,7 @@ index 82e09c1..88ac278 100644
public void a(PacketListenerPlayIn packetlistenerplayin) {
diff --git a/src/main/java/net/minecraft/server/PlayerConnection.java b/src/main/java/net/minecraft/server/PlayerConnection.java
index 3d04119..2f6d58c 100644
index 3d04119..a299f4f 100644
--- a/src/main/java/net/minecraft/server/PlayerConnection.java
+++ b/src/main/java/net/minecraft/server/PlayerConnection.java
@@ -865,6 +865,10 @@ public class PlayerConnection implements PacketListenerPlayIn, ITickable {
@ -47,15 +47,14 @@ index 3d04119..2f6d58c 100644
public void a(PacketPlayInUseItem packetplayinuseitem) {
PlayerConnectionUtils.ensureMainThread(packetplayinuseitem, this, this.player.x());
if (this.player.cj()) return; // CraftBukkit
@@ -875,12 +879,22 @@ public class PlayerConnection implements PacketListenerPlayIn, ITickable {
@@ -875,6 +879,16 @@ public class PlayerConnection implements PacketListenerPlayIn, ITickable {
EnumDirection enumdirection = packetplayinuseitem.b();
this.player.resetIdleTimer();
+
+ // Paper start - Rate limit UseItem as well, copied from Spigot implementation below in BlockPlace
+ boolean throttled = false;
+ if (lastPlaceUse != -1 && packetplayinuseitem.timestamp - lastPlaceUse < 30 && packetsUse++ >= 4) {
+ throttled = true;
+ return;
+ } else if (packetplayinuseitem.timestamp - lastPlaceUse >= 30 || lastPlaceUse == -1) {
+ lastPlaceUse = packetplayinuseitem.timestamp;
+ packetsUse = 0;
@ -65,14 +64,6 @@ index 3d04119..2f6d58c 100644
if (blockposition.getY() >= this.minecraftServer.getMaxBuildHeight() - 1 && (enumdirection == EnumDirection.UP || blockposition.getY() >= this.minecraftServer.getMaxBuildHeight())) {
ChatMessage chatmessage = new ChatMessage("build.tooHigh", new Object[] { Integer.valueOf(this.minecraftServer.getMaxBuildHeight())});
chatmessage.getChatModifier().setColor(EnumChatFormat.RED);
this.player.playerConnection.sendPacket(new PacketPlayOutChat(chatmessage));
- } else if (this.teleportPos == null && this.player.e((double) blockposition.getX() + 0.5D, (double) blockposition.getY() + 0.5D, (double) blockposition.getZ() + 0.5D) < 64.0D && !this.minecraftServer.a(worldserver, blockposition, this.player) && worldserver.getWorldBorder().a(blockposition)) {
+ // Paper - Ignore if throttled
+ } else if (!throttled && this.teleportPos == null && this.player.e((double) blockposition.getX() + 0.5D, (double) blockposition.getY() + 0.5D, (double) blockposition.getZ() + 0.5D) < 64.0D && !this.minecraftServer.a(worldserver, blockposition, this.player) && worldserver.getWorldBorder().a(blockposition)) {
// CraftBukkit start - Check if we can actually do something over this large a distance
Location eyeLoc = this.getPlayer().getEyeLocation();
double reachDistance = NumberConversions.square(eyeLoc.getX() - blockposition.getX()) + NumberConversions.square(eyeLoc.getY() - blockposition.getY()) + NumberConversions.square(eyeLoc.getZ() - blockposition.getZ());
--
2.10.0.windows.1