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https://github.com/PaperMC/Paper.git
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4e958e229f
Co-authored-by: Jake Potrebic <jake.m.potrebic@gmail.com> Co-authored-by: zml <zml@stellardrift.ca> Co-authored-by: Mariell Hoversholm <proximyst@proximyst.com>
55 lines
3.2 KiB
Diff
55 lines
3.2 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: BillyGalbreath <blake.galbreath@gmail.com>
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Date: Tue, 8 Dec 2020 20:14:20 -0600
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Subject: [PATCH] Fix curing zombie villager discount exploit
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This fixes the exploit used to gain absurd trading discounts with infecting
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and curing a villager on repeat by simply resetting the relevant part of
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the reputation when it is cured.
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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 6262246c4018c660705fbad028f297fc44e7197f..9ebe8771c2d5e843756868824740ef599ca8455f 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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@@ -715,4 +715,9 @@ public class PaperWorldConfig {
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private void fixClimbingBypassingCrammingRule() {
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fixClimbingBypassingCrammingRule = getBoolean("fix-climbing-bypassing-cramming-rule", fixClimbingBypassingCrammingRule);
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}
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+
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+ public boolean fixCuringZombieVillagerDiscountExploit = true;
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+ private void fixCuringExploit() {
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+ fixCuringZombieVillagerDiscountExploit = getBoolean("game-mechanics.fix-curing-zombie-villager-discount-exploit", fixCuringZombieVillagerDiscountExploit);
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+ }
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}
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diff --git a/src/main/java/net/minecraft/server/EntityVillager.java b/src/main/java/net/minecraft/server/EntityVillager.java
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index b343ce9df323ebd95d387b35025d8970ae733c44..c8b7ab17d53c302698fa7f9850c18e474832a585 100644
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--- a/src/main/java/net/minecraft/server/EntityVillager.java
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+++ b/src/main/java/net/minecraft/server/EntityVillager.java
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@@ -938,6 +938,15 @@ public class EntityVillager extends EntityVillagerAbstract implements Reputation
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@Override
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public void a(ReputationEvent reputationevent, Entity entity) {
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if (reputationevent == ReputationEvent.a) {
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+ // Paper start - fix MC-181190
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+ if (world.paperConfig.fixCuringZombieVillagerDiscountExploit) {
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+ final Reputation.a playerReputation = this.getReputation().getReputations().get(entity.getUniqueID());
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+ if (playerReputation != null) {
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+ playerReputation.removeReputationForType(ReputationType.MAJOR_POSITIVE);
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+ playerReputation.removeReputationForType(ReputationType.MINOR_POSITIVE);
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+ }
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+ }
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+ // Paper end
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this.by.a(entity.getUniqueID(), ReputationType.MAJOR_POSITIVE, 20);
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this.by.a(entity.getUniqueID(), ReputationType.MINOR_POSITIVE, 25);
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} else if (reputationevent == ReputationEvent.e) {
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diff --git a/src/main/java/net/minecraft/server/Reputation.java b/src/main/java/net/minecraft/server/Reputation.java
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index 7315cf5ee476ed45b4c2a56a723639b264672cb6..9ba1c10d1fda61221db399e0909cda5b0f57bc33 100644
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--- a/src/main/java/net/minecraft/server/Reputation.java
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+++ b/src/main/java/net/minecraft/server/Reputation.java
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@@ -221,6 +221,7 @@ public class Reputation {
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}
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+ public final void removeReputationForType(ReputationType reputationType) { this.b(reputationType); } // Paper - OBFHELPER
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public void b(ReputationType reputationtype) {
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this.a.removeInt(reputationtype);
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}
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