diff --git a/patches/api/0408-More-vanilla-friendly-methods-to-update-trades.patch b/patches/api/0408-More-vanilla-friendly-methods-to-update-trades.patch new file mode 100644 index 0000000000..b2dadf139e --- /dev/null +++ b/patches/api/0408-More-vanilla-friendly-methods-to-update-trades.patch @@ -0,0 +1,57 @@ +From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001 +From: Lulu13022002 <41980282+Lulu13022002@users.noreply.github.com> +Date: Sun, 16 Oct 2022 15:58:38 +0200 +Subject: [PATCH] More vanilla friendly methods to update trades + + +diff --git a/src/main/java/org/bukkit/entity/Villager.java b/src/main/java/org/bukkit/entity/Villager.java +index d61855b83da0776fe910dee8cde184c720571a71..c61e7e41aeb3d4f5f4ac47da8890051d8e97340d 100644 +--- a/src/main/java/org/bukkit/entity/Villager.java ++++ b/src/main/java/org/bukkit/entity/Villager.java +@@ -60,8 +60,11 @@ public interface Villager extends AbstractVillager { + * A villager with a level of 1 and no experience is liable to lose its + * profession. + * ++ * This doesn't update the trades of this villager. ++ * + * @param level the new level + * @throws IllegalArgumentException if level not between [1, 5] ++ * @see #increaseLevel(int) + */ + public void setVillagerLevel(int level); + +@@ -81,6 +84,34 @@ public interface Villager extends AbstractVillager { + public void setVillagerExperience(int experience); + + // Paper start ++ /** ++ * Increases the level of this villager. ++ * The villager will also unlock new recipes unlike the raw ++ * method {@link #setVillagerLevel(int)}. ++ *

++ * A villager with a level of 1 and no experience is liable to lose its ++ * profession. ++ *

++ * A master villager has a level of 5 in its profession and ++ * will unlock 10 trades (2 per level). ++ * ++ * @param amount The amount of level ++ * @return Whether trades are unlocked ++ * @throws IllegalArgumentException if current level plus the amount ++ * isn't between [1, 5] or the amount isn't positive ++ * @see #setVillagerLevel(int) ++ */ ++ boolean increaseLevel(int amount); ++ ++ /** ++ * Gives to this villager some potential new trades ++ * based to its profession and level. ++ * @param amount The amount of trades to give ++ * @return Whether trades are added ++ * @throws IllegalArgumentException if the amount isn't positive ++ */ ++ boolean addTrades(int amount); ++ + /** + * Gets the amount of times a villager has restocked their trades today + * @return The amount of trade restocks. diff --git a/patches/server/0942-More-vanilla-friendly-methods-to-update-trades.patch b/patches/server/0942-More-vanilla-friendly-methods-to-update-trades.patch new file mode 100644 index 0000000000..892c367765 --- /dev/null +++ b/patches/server/0942-More-vanilla-friendly-methods-to-update-trades.patch @@ -0,0 +1,75 @@ +From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001 +From: Lulu13022002 <41980282+Lulu13022002@users.noreply.github.com> +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 10b45ec24a5a0867106d1694312385ad1e267f43..49f82c954155115b2caa87d7624521a9f7982be2 100644 +--- a/src/main/java/net/minecraft/world/entity/npc/Villager.java ++++ b/src/main/java/net/minecraft/world/entity/npc/Villager.java +@@ -919,6 +919,12 @@ public class Villager extends AbstractVillager implements ReputationEventHandler + + @Override + protected void updateTrades() { ++ // Paper start ++ updateTrades(TRADES_PER_LEVEL); ++ } ++ ++ public boolean updateTrades(int amount) { ++ // Paper end + VillagerData villagerdata = this.getVillagerData(); + Int2ObjectMap int2objectmap = (Int2ObjectMap) VillagerTrades.TRADES.get(villagerdata.getProfession()); + +@@ -928,9 +934,11 @@ 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 ++ return true; // Paper + } + } ++ return false; // Paper + } + + 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 d1f5e1292246e0fb252d3d3409bbf37cc8166bbc..9220b1a7aa30ba59ac8dc6196859923b0675d8ec 100644 +--- a/src/main/java/org/bukkit/craftbukkit/entity/CraftVillager.java ++++ b/src/main/java/org/bukkit/craftbukkit/entity/CraftVillager.java +@@ -99,6 +99,34 @@ 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 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;