From 1d29ffbf1178feefceda1ceda347ec0ef96c30c0 Mon Sep 17 00:00:00 2001 From: Aikar 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/com/destroystokyo/paper/PaperWorldConfig.java b/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java index 6fb76388e..0a270b899 100644 --- a/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java +++ b/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java @@ -428,4 +428,10 @@ public class PaperWorldConfig { private void disableSprintInterruptionOnAttack() { disableSprintInterruptionOnAttack = getBoolean("game-mechanics.disable-sprint-interruption-on-attack", false); } + + public boolean disableEnderpearlExploit = true; + private void disableEnderpearlExploit() { + disableEnderpearlExploit = getBoolean("game-mechanics.disable-unloaded-chunk-enderpearl-exploit", disableEnderpearlExploit); + log("Disable Unloaded Chunk Enderpearl Exploit: " + (disableEnderpearlExploit ? "enabled" : "disabled")); + } } diff --git a/src/main/java/net/minecraft/server/EntityProjectile.java b/src/main/java/net/minecraft/server/EntityProjectile.java index bab5b89fe..62b5b6ece 100644 --- a/src/main/java/net/minecraft/server/EntityProjectile.java +++ b/src/main/java/net/minecraft/server/EntityProjectile.java @@ -242,6 +242,7 @@ public abstract class EntityProjectile extends Entity implements IProjectile { if (nbttagcompound.hasKeyOfType("owner", 10)) { this.shooterId = GameProfileSerializer.b(nbttagcompound.getCompound("owner")); } + if (this instanceof EntityEnderPearl && this.world != null && this.world.paperConfig.disableEnderpearlExploit) { this.shooterId = null; } // Paper - Don't store shooter name for pearls to block enderpearl travel exploit } -- 2.21.0