Mirror von
https://github.com/PaperMC/Paper.git
synchronisiert 2024-12-16 11:30:06 +01:00
62 Zeilen
3.5 KiB
Diff
62 Zeilen
3.5 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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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 f3ce248c576643ec172ba42c4bea41a59cfe9ec6..10f7437d62bfa774309d6334ca791505254bcaf7 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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@@ -362,4 +362,10 @@ 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/world/entity/projectile/Projectile.java b/src/main/java/net/minecraft/world/entity/projectile/Projectile.java
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index e4294219be68c6f99cd0e5ea8330fae6dc03ddde..b09f52330b50879d5594b21302e70ca676b60951 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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@@ -88,6 +88,7 @@ public abstract class Projectile extends Entity {
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protected void readAdditionalSaveData(CompoundTag nbt) {
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if (nbt.hasUUID("Owner")) {
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this.ownerUUID = nbt.getUUID("Owner");
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+ if (this instanceof ThrownEnderpearl && this.level != null && this.level.paperConfig.disableEnderpearlExploit) { 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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diff --git a/src/main/java/net/minecraft/world/entity/projectile/ThrownEnderpearl.java b/src/main/java/net/minecraft/world/entity/projectile/ThrownEnderpearl.java
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index 541ca82405d0b4d1457dcd63b58dc61eb67482d6..1b2ada3663cc0739782ac591f2ee1f6d0fb94841 100644
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--- a/src/main/java/net/minecraft/world/entity/projectile/ThrownEnderpearl.java
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+++ b/src/main/java/net/minecraft/world/entity/projectile/ThrownEnderpearl.java
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@@ -108,6 +108,16 @@ public class ThrownEnderpearl extends ThrowableItemProjectile {
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super.tick();
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}
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+ // Paper start
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+ if (this.level.paperConfig.disableEnderpearlExploit) {
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+ final net.minecraft.server.level.ChunkHolder chunkHolder = ((net.minecraft.server.level.ServerChunkCache) this.level.getChunkSource()).chunkMap.getVisibleChunkIfPresent(net.minecraft.world.level.ChunkPos.asLong(this.blockPosition()));
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+ if (chunkHolder == null || !net.minecraft.server.level.ChunkHolder.getFullChunkStatus(chunkHolder.getTicketLevel()).isOrAfter(net.minecraft.server.level.ChunkHolder.FullChunkStatus.ENTITY_TICKING)) {
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+ this.cachedOwner = null;
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+ this.ownerUUID = null;
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+ }
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+ }
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+ // Paper end
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+
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}
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@Nullable
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