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Paper/patches/server/0562-Fix-curing-zombie-villager-discount-exploit.patch
Jason Penilla d8c3fb7e47
Temporarily revert incremental chunk saving patch
Needs updating to hook into new entity storage system
2021-06-16 00:21:41 -07:00

46 Zeilen
2.7 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/com/destroystokyo/paper/PaperWorldConfig.java b/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java
index 5344d25e7bef34954aa058ec019b4ba8ab4de515..cf8bc5432de023968ecdae6e48045c93021ad243 100644
--- a/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java
+++ b/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java
@@ -79,6 +79,11 @@ public class PaperWorldConfig {
fixClimbingBypassingCrammingRule = getBoolean("fix-climbing-bypassing-cramming-rule", fixClimbingBypassingCrammingRule);
}
+ public boolean fixCuringZombieVillagerDiscountExploit = true;
+ private void fixCuringExploit() {
+ fixCuringZombieVillagerDiscountExploit = getBoolean("game-mechanics.fix-curing-zombie-villager-discount-exploit", fixCuringZombieVillagerDiscountExploit);
+ }
+
public short keepLoadedRange;
private void keepLoadedRange() {
keepLoadedRange = (short) (getInt("keep-spawn-loaded-range", Math.min(spigotConfig.viewDistance, 10)) * 16);
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 fe9ee43bf0c49c0541bc4fb114e63b8a0fcf1967..18b35c8d2160d24c31483edef13cc5e8d93ed09b 100644
--- a/src/main/java/net/minecraft/world/entity/npc/Villager.java
+++ b/src/main/java/net/minecraft/world/entity/npc/Villager.java
@@ -1056,6 +1056,15 @@ 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.fixCuringZombieVillagerDiscountExploit) {
+ final GossipContainer.EntityGossips playerReputation = this.getReputation().getReputations().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) {