Paper/patches/server/0514-Fix-curing-zombie-villager-discount-exploit.patch
Jake Potrebic 9147456fc9
Updated Upstream (CraftBukkit/Spigot) (#8815)
Upstream has released updates that appear to apply and compile correctly.
This update has not been tested by PaperMC and as with ANY update, please do your own testing

CraftBukkit Changes:
ab8ace685 SPIGOT-7236: Bone meal doesn't increase use statistic
7dcb59b8e Avoid switch on material in previous commit

Spigot Changes:
19641c75 SPIGOT-7235: World.Spigot#strikeLightningEffect doesn't do anything
2023-01-27 12:52:04 -08:00

30 lines
1.7 KiB
Diff

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 e3db573f10b7a3f8f605a11dc886859c68168467..105f8fcbbc5c7c384b77ca8eb768f1147d6ce4b2 100644
--- a/src/main/java/net/minecraft/world/entity/npc/Villager.java
+++ b/src/main/java/net/minecraft/world/entity/npc/Villager.java
@@ -980,6 +980,15 @@ 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 (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) {