PaperMC/patches/server/0499-Fix-curing-zombie-villager-discount-exploit.patch
2023-09-23 22:31:42 -07:00

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1.7 KiB
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From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: BillyGalbreath <blake.galbreath@gmail.com>
Date: Tue, 8 Dec 2020 20:14:20 -0600
Subject: [PATCH] Fix curing zombie villager discount exploit
This fixes the exploit used to gain absurd trading discounts with infecting
and curing a villager on repeat by simply resetting the relevant part of
the reputation when it is cured.
diff --git a/src/main/java/net/minecraft/world/entity/npc/Villager.java b/src/main/java/net/minecraft/world/entity/npc/Villager.java
index f58be4e2529759cc64df2c70a69ef56eabbb762d..84cee8fb09f90424438de336f60d9388da1b39de 100644
--- a/src/main/java/net/minecraft/world/entity/npc/Villager.java
+++ b/src/main/java/net/minecraft/world/entity/npc/Villager.java
@@ -1009,6 +1009,15 @@ public class Villager extends AbstractVillager implements ReputationEventHandler
@Override
public void onReputationEventFrom(ReputationEventType interaction, Entity entity) {
if (interaction == ReputationEventType.ZOMBIE_VILLAGER_CURED) {
+ // Paper start - fix MC-181190
+ if (this.level().paperConfig().fixes.fixCuringZombieVillagerDiscountExploit) {
+ final GossipContainer.EntityGossips playerReputation = this.getGossips().gossips.get(entity.getUUID());
+ if (playerReputation != null) {
+ playerReputation.remove(GossipType.MAJOR_POSITIVE);
+ playerReputation.remove(GossipType.MINOR_POSITIVE);
+ }
+ }
+ // Paper end
this.gossips.add(entity.getUUID(), GossipType.MAJOR_POSITIVE, 20);
this.gossips.add(entity.getUUID(), GossipType.MINOR_POSITIVE, 25);
} else if (interaction == ReputationEventType.TRADE) {