PaperMC/patches/server/0191-Block-Enderpearl-Travel-Exploit.patch
Jake Potrebic cfe3ad1b0f
Updated Upstream (Bukkit/CraftBukkit/Spigot)
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:
45d9c73c SPIGOT-7043: EnderChest does not implement Lidded
86b95f34 SPIGOT-7047: Add Player#getLastDeathLocation

CraftBukkit Changes:
b2557f6ac SPIGOT-7041: Custom BiomeProvider not used when world set to type FLAT
732c50cab SPIGOT-7043: EnderChest does not implement Lidded
6209029ea SPIGOT-7048: addPassenger() not working when vehicle is player
3aa7836df SPIGOT-7047: Add Player#getLastDeathLocation
7d522cd26 SPIGOT-7050: Enchantment data of items will not be saved correctly when saved in YAML configuration file

Spigot Changes:
1dffefb4 Rebuild patches
2022-06-09 18:20:55 -07:00

42 lines
2.4 KiB
Diff

From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Aikar <aikar@aikar.co>
Date: Mon, 30 Apr 2018 17:15:26 -0400
Subject: [PATCH] Block Enderpearl Travel Exploit
Players are able to use alt accounts and enderpearls to travel
long distances utilizing the pearls in unloaded chunks and loading
the chunk later when convenient.
This disables that by not saving the thrower when the chunk is unloaded.
This is mainly useful for survival servers that do not allow freeform teleporting.
diff --git a/src/main/java/net/minecraft/server/level/ServerLevel.java b/src/main/java/net/minecraft/server/level/ServerLevel.java
index e4d6fe5f19a575acfb08fcb8335f7519ed73b295..bd37a46aebe84e5d02b9ae40a57ed95c7c35c54b 100644
--- a/src/main/java/net/minecraft/server/level/ServerLevel.java
+++ b/src/main/java/net/minecraft/server/level/ServerLevel.java
@@ -2072,6 +2072,12 @@ public class ServerLevel extends Level implements WorldGenLevel {
public void onTickingEnd(Entity entity) {
ServerLevel.this.entityTickList.remove(entity);
+ // Paper start - Reset pearls when they stop being ticked
+ if (paperConfig().fixes.disableUnloadedChunkEnderpearlExploit && entity instanceof net.minecraft.world.entity.projectile.ThrownEnderpearl pearl) {
+ pearl.cachedOwner = null;
+ pearl.ownerUUID = null;
+ }
+ // Paper end
}
public void onTrackingStart(Entity entity) {
diff --git a/src/main/java/net/minecraft/world/entity/projectile/Projectile.java b/src/main/java/net/minecraft/world/entity/projectile/Projectile.java
index cf8498165065c7db1be9cf7de492c1a41817cbf1..f550686d1ae45a9ecb406e999d02dba0cf022c58 100644
--- a/src/main/java/net/minecraft/world/entity/projectile/Projectile.java
+++ b/src/main/java/net/minecraft/world/entity/projectile/Projectile.java
@@ -88,6 +88,7 @@ public abstract class Projectile extends Entity {
protected void readAdditionalSaveData(CompoundTag nbt) {
if (nbt.hasUUID("Owner")) {
this.ownerUUID = nbt.getUUID("Owner");
+ if (this instanceof ThrownEnderpearl && this.level != null && this.level.paperConfig().fixes.disableUnloadedChunkEnderpearlExploit) { this.ownerUUID = null; } // Paper - Don't store shooter name for pearls to block enderpearl travel exploit
}
this.leftOwner = nbt.getBoolean("LeftOwner");