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40 lines
2.3 KiB
Diff
40 lines
2.3 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Aikar <aikar@aikar.co>
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Date: Mon, 30 Apr 2018 17:15:26 -0400
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Subject: [PATCH] Block Enderpearl Travel Exploit
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Players are able to use alt accounts and enderpearls to travel
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long distances utilizing the pearls in unloaded chunks and loading
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the chunk later when convenient.
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This disables that by not saving the thrower when the chunk is unloaded.
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This is mainly useful for survival servers that do not allow freeform teleporting.
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diff --git a/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java b/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java
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index e3e529c00122eaf04c7085b1074c5dd124419513..0c8160aa7098f117d2a174ffd944741b11818d10 100644
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--- a/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java
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+++ b/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java
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@@ -357,4 +357,10 @@ public class PaperWorldConfig {
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private void disableSprintInterruptionOnAttack() {
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disableSprintInterruptionOnAttack = getBoolean("game-mechanics.disable-sprint-interruption-on-attack", false);
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}
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+
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+ public boolean disableEnderpearlExploit = true;
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+ private void disableEnderpearlExploit() {
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+ disableEnderpearlExploit = getBoolean("game-mechanics.disable-unloaded-chunk-enderpearl-exploit", disableEnderpearlExploit);
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+ log("Disable Unloaded Chunk Enderpearl Exploit: " + (disableEnderpearlExploit ? "enabled" : "disabled"));
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+ }
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}
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diff --git a/src/main/java/net/minecraft/server/IProjectile.java b/src/main/java/net/minecraft/server/IProjectile.java
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index 676848e2b3cfc93b0b344b76b7a88e37549a25f2..0b62041f6dc9cb0151ea55407f6706cac134f1b5 100644
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--- a/src/main/java/net/minecraft/server/IProjectile.java
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+++ b/src/main/java/net/minecraft/server/IProjectile.java
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@@ -48,6 +48,7 @@ public abstract class IProjectile extends Entity {
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protected void loadData(NBTTagCompound nbttagcompound) {
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if (nbttagcompound.b("Owner")) {
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this.shooter = nbttagcompound.a("Owner");
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+ if (this instanceof EntityEnderPearl && this.world != null && this.world.paperConfig.disableEnderpearlExploit) { this.shooter = null; } // Paper - Don't store shooter name for pearls to block enderpearl travel exploit
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}
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this.d = nbttagcompound.getBoolean("LeftOwner");
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