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-rw-r--r--patches/server/0755-More-vanilla-friendly-methods-to-update-trades.patch75
1 files changed, 75 insertions, 0 deletions
diff --git a/patches/server/0755-More-vanilla-friendly-methods-to-update-trades.patch b/patches/server/0755-More-vanilla-friendly-methods-to-update-trades.patch
new file mode 100644
index 0000000000..b3901a0ae7
--- /dev/null
+++ b/patches/server/0755-More-vanilla-friendly-methods-to-update-trades.patch
@@ -0,0 +1,75 @@
+From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
+From: Lulu13022002 <[email protected]>
+Date: Sun, 16 Oct 2022 16:12:49 +0200
+Subject: [PATCH] More vanilla friendly methods to update trades
+
+
+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 f51078e4b9e6267fa43795d009f5d149b86acb5a..a573aa4d387ad3a4e1017890f2b50b83a3c27ff4 100644
+--- a/src/main/java/net/minecraft/world/entity/npc/Villager.java
++++ b/src/main/java/net/minecraft/world/entity/npc/Villager.java
+@@ -895,6 +895,12 @@ public class Villager extends AbstractVillager implements ReputationEventHandler
+
+ @Override
+ protected void updateTrades() {
++ // Paper start - More vanilla friendly methods to update trades
++ updateTrades(TRADES_PER_LEVEL);
++ }
++
++ public boolean updateTrades(int amount) {
++ // Paper end - More vanilla friendly methods to update trades
+ VillagerData villagerdata = this.getVillagerData();
+ Int2ObjectMap int2objectmap;
+
+@@ -912,9 +918,11 @@ public class Villager extends AbstractVillager implements ReputationEventHandler
+ if (avillagertrades_imerchantrecipeoption != null) {
+ MerchantOffers merchantrecipelist = this.getOffers();
+
+- this.addOffersFromItemListings(merchantrecipelist, avillagertrades_imerchantrecipeoption, 2);
++ this.addOffersFromItemListings(merchantrecipelist, avillagertrades_imerchantrecipeoption, amount); // Paper - More vanilla friendly methods to update trades
++ return true; // Paper - More vanilla friendly methods to update trades
+ }
+ }
++ return false; // Paper - More vanilla friendly methods to update trades
+ }
+
+ public void gossip(ServerLevel world, Villager villager, long time) {
+diff --git a/src/main/java/org/bukkit/craftbukkit/entity/CraftVillager.java b/src/main/java/org/bukkit/craftbukkit/entity/CraftVillager.java
+index 45c44c46edee9f46b8e197f1f54ea2779bf1184c..8e895d6f84f7d84b219f2424909dd42e5f08dec4 100644
+--- a/src/main/java/org/bukkit/craftbukkit/entity/CraftVillager.java
++++ b/src/main/java/org/bukkit/craftbukkit/entity/CraftVillager.java
+@@ -98,6 +98,34 @@ public class CraftVillager extends CraftAbstractVillager implements Villager {
+ }
+
+ // Paper start
++ @Override
++ public boolean increaseLevel(int amount) {
++ Preconditions.checkArgument(amount > 0, "Level earned must be positive");
++ int supposedFinalLevel = this.getVillagerLevel() + amount;
++ Preconditions.checkArgument(net.minecraft.world.entity.npc.VillagerData.MIN_VILLAGER_LEVEL <= supposedFinalLevel && supposedFinalLevel <= net.minecraft.world.entity.npc.VillagerData.MAX_VILLAGER_LEVEL,
++ "Final level reached after the donation (%d) must be between [%d, %d]".formatted(supposedFinalLevel, net.minecraft.world.entity.npc.VillagerData.MIN_VILLAGER_LEVEL, net.minecraft.world.entity.npc.VillagerData.MAX_VILLAGER_LEVEL));
++
++ it.unimi.dsi.fastutil.ints.Int2ObjectMap<net.minecraft.world.entity.npc.VillagerTrades.ItemListing[]> trades =
++ net.minecraft.world.entity.npc.VillagerTrades.TRADES.get(this.getHandle().getVillagerData().getProfession());
++
++ if (trades == null || trades.isEmpty()) {
++ this.getHandle().setVillagerData(this.getHandle().getVillagerData().setLevel(supposedFinalLevel));
++ return false;
++ }
++
++ while (amount > 0) {
++ this.getHandle().increaseMerchantCareer();
++ amount--;
++ }
++ return true;
++ }
++
++ @Override
++ public boolean addTrades(int amount) {
++ Preconditions.checkArgument(amount > 0, "Number of trades unlocked must be positive");
++ return this.getHandle().updateTrades(amount);
++ }
++
+ @Override
+ public int getRestocksToday() {
+ return getHandle().numberOfRestocksToday;