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https://github.com/PaperMC/Paper.git
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46 lines
2.7 KiB
Diff
46 lines
2.7 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 340e610b6af2dab7d916c530d3cce9aac003aa4d..d6cbd9ea2eb70e25a5e37e0bdda2396a99b3342e 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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@@ -133,6 +133,11 @@ public class PaperWorldConfig {
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fixClimbingBypassingCrammingRule = getBoolean("fix-climbing-bypassing-cramming-rule", fixClimbingBypassingCrammingRule);
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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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public short keepLoadedRange;
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private void keepLoadedRange() {
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keepLoadedRange = (short) (getInt("keep-spawn-loaded-range", Math.min(spigotConfig.viewDistance, 10)) * 16);
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diff --git a/src/main/java/net/minecraft/world/entity/npc/Villager.java b/src/main/java/net/minecraft/world/entity/npc/Villager.java
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index 1d2b7950e3c498945a2ff85fda0e3bb30acd22cb..98debcec829ddaa9d37b7e9cc1f42dfd9123393c 100644
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--- a/src/main/java/net/minecraft/world/entity/npc/Villager.java
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+++ b/src/main/java/net/minecraft/world/entity/npc/Villager.java
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@@ -976,6 +976,15 @@ public class Villager extends AbstractVillager implements ReputationEventHandler
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@Override
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public void onReputationEventFrom(ReputationEventType interaction, Entity entity) {
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if (interaction == ReputationEventType.ZOMBIE_VILLAGER_CURED) {
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+ // Paper start - fix MC-181190
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+ if (level.paperConfig.fixCuringZombieVillagerDiscountExploit) {
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+ final GossipContainer.EntityGossips playerReputation = this.getGossips().getReputations().get(entity.getUUID());
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+ if (playerReputation != null) {
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+ playerReputation.remove(GossipType.MAJOR_POSITIVE);
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+ playerReputation.remove(GossipType.MINOR_POSITIVE);
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+ }
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+ }
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+ // Paper end
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this.gossips.add(entity.getUUID(), GossipType.MAJOR_POSITIVE, 20);
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this.gossips.add(entity.getUUID(), GossipType.MINOR_POSITIVE, 25);
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} else if (interaction == ReputationEventType.TRADE) {
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