PaperMC/patches/server/Implement-enchantWithLevels-API.patch
Bjarne Koll 128085ba3e Improve enchantWithLevels logic
Previously would stream and optionally filter out all entries in the
enchantment registry.
Moves it to using the empty optional if treasure is allowed, leaving the
logic to EnchantmentHelper.
2024-06-15 19:08:11 +02:00

45 lines
3 KiB
Diff

From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Jason Penilla <11360596+jpenilla@users.noreply.github.com>
Date: Wed, 16 Mar 2022 20:35:21 -0700
Subject: [PATCH] Implement enchantWithLevels API
diff --git a/src/main/java/org/bukkit/craftbukkit/inventory/CraftItemFactory.java b/src/main/java/org/bukkit/craftbukkit/inventory/CraftItemFactory.java
index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000 100644
--- a/src/main/java/org/bukkit/craftbukkit/inventory/CraftItemFactory.java
+++ b/src/main/java/org/bukkit/craftbukkit/inventory/CraftItemFactory.java
@@ -0,0 +0,0 @@ public final class CraftItemFactory implements ItemFactory {
return eggItem == null ? null : new net.minecraft.world.item.ItemStack(eggItem).asBukkitMirror();
}
// Paper end - old getSpawnEgg API
+ // Paper start - enchantWithLevels API
+ @Override
+ public ItemStack enchantWithLevels(ItemStack itemStack, int levels, boolean allowTreasure, java.util.Random random) {
+ Preconditions.checkArgument(itemStack != null, "Argument 'itemStack' must not be null");
+ Preconditions.checkArgument(itemStack.getType() != Material.AIR, "Argument 'itemStack' must not be of type AIR");
+ Preconditions.checkArgument(itemStack.getAmount() > 0, "Argument 'itemStack' amount must be greater than 0");
+ Preconditions.checkArgument(levels > 0 && levels <= 30, "Argument 'levels' must be in range [1, 30] (attempted " + levels + ")");
+ Preconditions.checkArgument(random != null, "Argument 'random' must not be null");
+ final net.minecraft.world.item.ItemStack internalStack = CraftItemStack.asNMSCopy(itemStack);
+ if (internalStack.isEnchanted()) {
+ internalStack.set(net.minecraft.core.component.DataComponents.ENCHANTMENTS, null);
+ }
+ final net.minecraft.core.RegistryAccess registryAccess = net.minecraft.server.MinecraftServer.getServer().registryAccess();
+ final net.minecraft.core.Registry<Enchantment> enchantments = registryAccess.registryOrThrow(Registries.ENCHANTMENT);
+ final net.minecraft.world.item.ItemStack enchanted = net.minecraft.world.item.enchantment.EnchantmentHelper.enchantItem(
+ new org.bukkit.craftbukkit.util.RandomSourceWrapper(random),
+ internalStack,
+ levels,
+ registryAccess,
+ allowTreasure
+ ? Optional.empty()
+ // While IN_ENCHANTING_TABLE is not logically the same as all but TREASURE, the tag is defined as
+ // NON_TREASURE, which does contain all enchantments not in the treasure tag.
+ // Additionally, the allowTreasure boolean is more intended to configure this method to behave like
+ // an enchanting table.
+ : registryAccess.registryOrThrow(Registries.ENCHANTMENT).getTag(EnchantmentTags.IN_ENCHANTING_TABLE)
+ );
+ return CraftItemStack.asCraftMirror(enchanted);
+ }
+ // Paper end - enchantWithLevels API
}