Mirror von
https://github.com/PaperMC/Paper.git
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47 Zeilen
2.5 KiB
Diff
47 Zeilen
2.5 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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== AT ==
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public net.minecraft.world.entity.projectile.Projectile cachedOwner
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public net.minecraft.world.entity.projectile.Projectile ownerUUID
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diff --git a/src/main/java/net/minecraft/server/level/ServerLevel.java b/src/main/java/net/minecraft/server/level/ServerLevel.java
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index 90c19a08b51dee98701fc397ab95bf93cb1a2102..317ba116e52c193fbd0a9cd853bc03ed640cc70f 100644
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--- a/src/main/java/net/minecraft/server/level/ServerLevel.java
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+++ b/src/main/java/net/minecraft/server/level/ServerLevel.java
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@@ -2246,6 +2246,12 @@ public class ServerLevel extends Level implements WorldGenLevel {
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public void onTickingEnd(Entity entity) {
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ServerLevel.this.entityTickList.remove(entity);
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+ // Paper start - Reset pearls when they stop being ticked
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+ if (paperConfig().fixes.disableUnloadedChunkEnderpearlExploit && entity instanceof net.minecraft.world.entity.projectile.ThrownEnderpearl pearl) {
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+ pearl.cachedOwner = null;
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+ pearl.ownerUUID = null;
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+ }
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+ // Paper end
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}
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public void onTrackingStart(Entity entity) {
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diff --git a/src/main/java/net/minecraft/world/entity/projectile/Projectile.java b/src/main/java/net/minecraft/world/entity/projectile/Projectile.java
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index b4a37d11e381d08c82945966ee5f969364f6e3ee..e9ae25a70c747c173ebd2e393818d205527d5314 100644
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--- a/src/main/java/net/minecraft/world/entity/projectile/Projectile.java
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+++ b/src/main/java/net/minecraft/world/entity/projectile/Projectile.java
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@@ -92,6 +92,7 @@ public abstract class Projectile extends Entity implements TraceableEntity {
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if (nbt.hasUUID("Owner")) {
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this.ownerUUID = nbt.getUUID("Owner");
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this.cachedOwner = null;
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+ 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
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}
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this.leftOwner = nbt.getBoolean("LeftOwner");
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