papermc/CraftBukkit-Patches/0149-Limit-block-placement-interaction-packets.patch
Zach Brown 7b0c576798 Restructure PaperSpigot as a new set of modules
Allows us much greater control over the Spigot portion of the code
and makes us more "proper"
Credit to @Dmck2b for originally passing the idea along a while back
2014-07-21 15:46:54 -05:00

56 lines
2.7 KiB
Diff

From dbda8287c85efa3395598057b157ff3130dabda9 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/PlayerConnection.java b/src/main/java/net/minecraft/server/PlayerConnection.java
index b723b73..9a7b256 100644
--- a/src/main/java/net/minecraft/server/PlayerConnection.java
+++ b/src/main/java/net/minecraft/server/PlayerConnection.java
@@ -573,7 +573,18 @@ public class PlayerConnection implements PacketPlayInListener {
}
}
+ // Spigot start - limit place/interactions
+ private long lastPlace = -1;
+
public void a(PacketPlayInBlockPlace packetplayinblockplace) {
+ boolean throttled = false;
+ if (lastPlace != -1 && packetplayinblockplace.timestamp - lastPlace < 5) {
+ throttled = true;
+ } else
+ {
+ lastPlace = packetplayinblockplace.timestamp;
+ }
+ // Spigot end
WorldServer worldserver = this.minecraftServer.getWorldServer(this.player.dimension);
// CraftBukkit start
@@ -616,10 +627,14 @@ public class PlayerConnection implements PacketPlayInListener {
// CraftBukkit start
int itemstackAmount = itemstack.count;
+ // Spigot start - skip the event if throttled
+ if (!throttled) {
org.bukkit.event.player.PlayerInteractEvent event = CraftEventFactory.callPlayerInteractEvent(this.player, Action.RIGHT_CLICK_AIR, itemstack);
if (event.useItemInHand() != Event.Result.DENY) {
this.player.playerInteractManager.useItem(this.player, this.player.world, itemstack);
}
+ }
+ // Spigot end
// CraftBukkit - notch decrements the counter by 1 in the above method with food,
// snowballs and so forth, but he does it in a place that doesn't cause the
@@ -640,7 +655,7 @@ public class PlayerConnection implements PacketPlayInListener {
return;
}
- if (!this.player.playerInteractManager.interact(this.player, worldserver, itemstack, i, j, k, l, packetplayinblockplace.h(), packetplayinblockplace.i(), packetplayinblockplace.j())) {
+ if (throttled || !this.player.playerInteractManager.interact(this.player, worldserver, itemstack, i, j, k, l, packetplayinblockplace.h(), packetplayinblockplace.i(), packetplayinblockplace.j())) { // Spigot - skip the event if throttled
always = true; // force PacketPlayOutSetSlot to be sent to client to update ItemStack count
}
// CraftBukkit end
--
1.9.1