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Configurable minimum demand for trades (#837)

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Totorewa 2022-01-23 13:04:43 +13:00 committed by GitHub
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patches/server/0263-Configurable-minimum-demand-for-trades.patch Normal file
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From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Totorewa <76272501+totorewa@users.noreply.github.com>
Date: Fri, 7 Jan 2022 21:34:57 +1300
Subject: [PATCH] Configurable minimum demand for trades
Addresses MC-163962 where villager demand decreases indefinitely. Paper
adds a patch to fix this by preventing demand from going below zero.
This patch adds a config option to allow the minimum demand to instead
be configurable.
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 9755517f0c1d66db5bfd00946114fab5db6776d6..b9f228d660b2279284e64fc3bbfa90fc7d2d20b0 100644
--- a/src/main/java/net/minecraft/world/entity/npc/Villager.java
+++ b/src/main/java/net/minecraft/world/entity/npc/Villager.java
@@ -532,7 +532,7 @@ public class Villager extends AbstractVillager implements ReputationEventHandler
while (iterator.hasNext()) {
MerchantOffer merchantrecipe = (MerchantOffer) iterator.next();
- merchantrecipe.updateDemand();
+ merchantrecipe.updateDemand(this.level.purpurConfig.villagerMinimumDemand); // Purpur
}
}
diff --git a/src/main/java/net/minecraft/world/item/trading/MerchantOffer.java b/src/main/java/net/minecraft/world/item/trading/MerchantOffer.java
index c9cb0717c2793acd5b5870a6cc4d672d69a40026..9a402505375af2051673245ec0a1daf9f3a66dc7 100644
--- a/src/main/java/net/minecraft/world/item/trading/MerchantOffer.java
+++ b/src/main/java/net/minecraft/world/item/trading/MerchantOffer.java
@@ -132,7 +132,12 @@ public class MerchantOffer {
}
public void updateDemand() {
- this.demand = Math.max(0, this.demand + this.uses - (this.maxUses - this.uses)); // Paper
+ // Purpur start
+ this.updateDemand(0);
+ }
+ public void updateDemand(int minimumDemand) {
+ this.demand = Math.max(minimumDemand, this.demand + this.uses - (this.maxUses - this.uses));
+ // Purpur end
}
public ItemStack assemble() {
diff --git a/src/main/java/org/purpurmc/purpur/PurpurWorldConfig.java b/src/main/java/org/purpurmc/purpur/PurpurWorldConfig.java
index 8a2ecb3a3728cc603017a1d5f06be1d5fb3d47a8..287941dc162c47303ec12c18c0ea4747169ffcd6 100644
--- a/src/main/java/org/purpurmc/purpur/PurpurWorldConfig.java
+++ b/src/main/java/org/purpurmc/purpur/PurpurWorldConfig.java
@@ -2663,6 +2663,7 @@ public class PurpurWorldConfig {
public boolean villagerTakeDamageFromWater = false;
public boolean villagerAllowTrading = true;
public boolean villagerAlwaysDropExp = false;
+ public int villagerMinimumDemand = 0;
private void villagerSettings() {
villagerRidable = getBoolean("mobs.villager.ridable", villagerRidable);
villagerRidableInWater = getBoolean("mobs.villager.ridable-in-water", villagerRidableInWater);
@@ -2687,6 +2688,7 @@ public class PurpurWorldConfig {
villagerTakeDamageFromWater = getBoolean("mobs.villager.takes-damage-from-water", villagerTakeDamageFromWater);
villagerAllowTrading = getBoolean("mobs.villager.allow-trading", villagerAllowTrading);
villagerAlwaysDropExp = getBoolean("mobs.villager.always-drop-exp", villagerAlwaysDropExp);
+ villagerMinimumDemand = getInt("mobs.villager.minimum-demand", villagerMinimumDemand);
}
public boolean vindicatorRidable = false;