geforkt von Mirrors/Paper
220 Zeilen
11 KiB
Diff
220 Zeilen
11 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Ineusia <ineusia@yahoo.com>
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Date: Mon, 26 Oct 2020 11:48:06 -0500
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Subject: [PATCH] Add Destroy Speed API
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Co-authored-by: Jake Potrebic <jake.m.potrebic@gmail.com>
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diff --git a/src/main/java/net/minecraft/world/entity/ai/attributes/AttributeInstance.java b/src/main/java/net/minecraft/world/entity/ai/attributes/AttributeInstance.java
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index 36c943d709c1c0ae49ec0baf0ccf7b6cb9a2ecf3..d28f9e077a50122e86848cfa9db83f6b0e8eef6c 100644
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--- a/src/main/java/net/minecraft/world/entity/ai/attributes/AttributeInstance.java
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+++ b/src/main/java/net/minecraft/world/entity/ai/attributes/AttributeInstance.java
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@@ -143,20 +143,20 @@ public class AttributeInstance {
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double d = this.getBaseValue();
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for (AttributeModifier attributeModifier : this.getModifiersOrEmpty(AttributeModifier.Operation.ADD_VALUE)) {
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- d += attributeModifier.amount();
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+ d += attributeModifier.amount(); // Paper - destroy speed API - diff on change
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}
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double e = d;
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for (AttributeModifier attributeModifier2 : this.getModifiersOrEmpty(AttributeModifier.Operation.ADD_MULTIPLIED_BASE)) {
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- e += d * attributeModifier2.amount();
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+ e += d * attributeModifier2.amount(); // Paper - destroy speed API - diff on change
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}
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for (AttributeModifier attributeModifier3 : this.getModifiersOrEmpty(AttributeModifier.Operation.ADD_MULTIPLIED_TOTAL)) {
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- e *= 1.0 + attributeModifier3.amount();
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+ e *= 1.0 + attributeModifier3.amount(); // Paper - destroy speed API - diff on change
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}
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- return this.attribute.value().sanitizeValue(e);
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+ return attribute.value().sanitizeValue(e); // Paper - destroy speed API - diff on change
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}
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private Collection<AttributeModifier> getModifiersOrEmpty(AttributeModifier.Operation operation) {
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diff --git a/src/main/java/org/bukkit/craftbukkit/block/data/CraftBlockData.java b/src/main/java/org/bukkit/craftbukkit/block/data/CraftBlockData.java
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index 9953b6b36cbcbfd1756bac478b568ca5700fc898..33869e725c3b3f2120fa36ca468019a78321e862 100644
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--- a/src/main/java/org/bukkit/craftbukkit/block/data/CraftBlockData.java
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+++ b/src/main/java/org/bukkit/craftbukkit/block/data/CraftBlockData.java
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@@ -721,4 +721,35 @@ public class CraftBlockData implements BlockData {
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public BlockState createBlockState() {
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return CraftBlockStates.getBlockState(this.state, null);
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}
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+
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+ // Paper start - destroy speed API
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+ @Override
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+ public float getDestroySpeed(final ItemStack itemStack, final boolean considerEnchants) {
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+ net.minecraft.world.item.ItemStack nmsItemStack = CraftItemStack.unwrap(itemStack);
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+ float speed = nmsItemStack.getDestroySpeed(this.state);
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+ if (speed > 1.0F && considerEnchants) {
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+ final net.minecraft.core.Holder<net.minecraft.world.entity.ai.attributes.Attribute> attribute = net.minecraft.world.entity.ai.attributes.Attributes.MINING_EFFICIENCY;
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+ // Logic sourced from AttributeInstance#calculateValue
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+ final double initialBaseValue = attribute.value().getDefaultValue();
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+ final org.apache.commons.lang3.mutable.MutableDouble modifiedBaseValue = new org.apache.commons.lang3.mutable.MutableDouble(initialBaseValue);
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+ final org.apache.commons.lang3.mutable.MutableDouble baseValMul = new org.apache.commons.lang3.mutable.MutableDouble(1);
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+ final org.apache.commons.lang3.mutable.MutableDouble totalValMul = new org.apache.commons.lang3.mutable.MutableDouble(1);
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+
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+ net.minecraft.world.item.enchantment.EnchantmentHelper.forEachModifier(
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+ nmsItemStack, net.minecraft.world.entity.EquipmentSlot.MAINHAND, (attributeHolder, attributeModifier) -> {
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+ switch (attributeModifier.operation()) {
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+ case ADD_VALUE -> modifiedBaseValue.add(attributeModifier.amount());
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+ case ADD_MULTIPLIED_BASE -> baseValMul.add(attributeModifier.amount());
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+ case ADD_MULTIPLIED_TOTAL -> totalValMul.setValue(totalValMul.doubleValue() * (1D + attributeModifier.amount()));
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+ }
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+ }
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+ );
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+
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+ final double actualModifier = modifiedBaseValue.doubleValue() * baseValMul.doubleValue() * totalValMul.doubleValue();
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+
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+ speed += (float) attribute.value().sanitizeValue(actualModifier);
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+ }
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+ return speed;
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+ }
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+ // Paper end - destroy speed API
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}
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diff --git a/src/test/java/io/papermc/paper/block/CraftBlockDataDestroySpeedTest.java b/src/test/java/io/papermc/paper/block/CraftBlockDataDestroySpeedTest.java
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new file mode 100644
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index 0000000000000000000000000000000000000000..62aef9abab896491f7806490184fc6899ec36c57
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--- /dev/null
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+++ b/src/test/java/io/papermc/paper/block/CraftBlockDataDestroySpeedTest.java
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@@ -0,0 +1,137 @@
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+package io.papermc.paper.block;
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+
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+import java.util.List;
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+import java.util.Optional;
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+import net.minecraft.core.Holder;
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+import net.minecraft.core.HolderSet;
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+import net.minecraft.core.component.DataComponentMap;
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+import net.minecraft.core.component.DataComponents;
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+import net.minecraft.network.chat.Component;
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+import net.minecraft.world.entity.EquipmentSlot;
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+import net.minecraft.world.entity.EquipmentSlotGroup;
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+import net.minecraft.world.entity.ai.attributes.AttributeInstance;
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+import net.minecraft.world.entity.ai.attributes.AttributeModifier;
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+import net.minecraft.world.entity.ai.attributes.Attributes;
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+import net.minecraft.world.item.Items;
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+import net.minecraft.world.item.enchantment.Enchantment;
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+import net.minecraft.world.item.enchantment.EnchantmentEffectComponents;
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+import net.minecraft.world.item.enchantment.EnchantmentHelper;
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+import net.minecraft.world.item.enchantment.ItemEnchantments;
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+import net.minecraft.world.item.enchantment.LevelBasedValue;
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+import net.minecraft.world.item.enchantment.effects.EnchantmentAttributeEffect;
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+import net.minecraft.world.level.block.Blocks;
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+import net.minecraft.world.level.block.state.BlockState;
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+import org.bukkit.craftbukkit.block.data.CraftBlockData;
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+import org.bukkit.craftbukkit.inventory.CraftItemStack;
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+import org.bukkit.inventory.ItemStack;
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+import org.bukkit.support.AbstractTestingBase;
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+import org.bukkit.util.Vector;
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+import org.jetbrains.annotations.NotNull;
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+import org.junit.jupiter.api.Assertions;
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+import org.junit.jupiter.api.Test;
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+
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+import static net.minecraft.resources.ResourceLocation.fromNamespaceAndPath;
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+
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+/**
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+ * CraftBlockData's {@link org.bukkit.craftbukkit.block.data.CraftBlockData#getDestroySpeed(ItemStack, boolean)}
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+ * uses a reimplementation of AttributeValue without any map to avoid attribute instance allocation and mutation
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+ * for 0 gain.
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+ * <p>
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+ * This test is responsible for ensuring that said logic emits the expected destroy speed under heavy attribute
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+ * modifier use.
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+ */
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+public class CraftBlockDataDestroySpeedTest extends AbstractTestingBase {
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+
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+ @Test
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+ public void testCorrectEnchantmentDestroySpeedComputation() {
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+ // Construct fake enchantment that has *all and multiple of* operations
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+ final Enchantment speedEnchantment = speedEnchantment();
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+ final BlockState blockStateToMine = Blocks.STONE.defaultBlockState();
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+
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+ final ItemEnchantments.Mutable mutable = new ItemEnchantments.Mutable(ItemEnchantments.EMPTY);
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+ mutable.set(Holder.direct(speedEnchantment), 1);
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+
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+ final net.minecraft.world.item.ItemStack itemStack = new net.minecraft.world.item.ItemStack(Items.DIAMOND_PICKAXE);
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+ itemStack.set(DataComponents.ENCHANTMENTS, mutable.toImmutable());
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+
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+ // Compute expected value by running the entire attribute instance chain
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+ final AttributeInstance dummyInstance = new AttributeInstance(Attributes.MINING_EFFICIENCY, $ -> {
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+ });
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+ EnchantmentHelper.forEachModifier(itemStack, EquipmentSlot.MAINHAND, (attributeHolder, attributeModifier) -> {
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+ if (attributeHolder.is(Attributes.MINING_EFFICIENCY)) dummyInstance.addTransientModifier(attributeModifier);
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+ });
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+
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+ final double toolSpeed = itemStack.getDestroySpeed(blockStateToMine);
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+ final double expectedSpeed = toolSpeed <= 1.0F ? toolSpeed : toolSpeed + dummyInstance.getValue();
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+
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+ // API stack + computation
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+ final CraftItemStack craftMirror = CraftItemStack.asCraftMirror(itemStack);
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+ final CraftBlockData data = CraftBlockData.createData(blockStateToMine);
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+ final float actualSpeed = data.getDestroySpeed(craftMirror, true);
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+
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+ Assertions.assertEquals(expectedSpeed, actualSpeed, Vector.getEpsilon());
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+ }
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+
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+ /**
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+ * Complex enchantment that holds attribute modifiers for the mining efficiency.
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+ * The enchantment holds 2 of each operation to also ensure that such behaviour works correctly.
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+ *
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+ * @return the enchantment.
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+ */
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+ private static @NotNull Enchantment speedEnchantment() {
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+ return new Enchantment(
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+ Component.empty(),
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+ new Enchantment.EnchantmentDefinition(
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+ HolderSet.empty(),
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+ Optional.empty(),
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+ 0, 0,
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+ Enchantment.constantCost(0),
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+ Enchantment.constantCost(0),
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+ 0,
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+ List.of(EquipmentSlotGroup.ANY)
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+ ),
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+ HolderSet.empty(),
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+ DataComponentMap.builder()
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+ .set(EnchantmentEffectComponents.ATTRIBUTES, List.of(
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+ new EnchantmentAttributeEffect(
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+ fromNamespaceAndPath("paper", "base1"),
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+ Attributes.MINING_EFFICIENCY,
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+ LevelBasedValue.constant(1),
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+ AttributeModifier.Operation.ADD_VALUE
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+ ),
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+ new EnchantmentAttributeEffect(
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+ fromNamespaceAndPath("paper", "base2"),
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+ Attributes.MINING_EFFICIENCY,
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+ LevelBasedValue.perLevel(3),
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+ AttributeModifier.Operation.ADD_VALUE
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+ ),
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+ new EnchantmentAttributeEffect(
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+ fromNamespaceAndPath("paper", "base-mul1"),
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+ Attributes.MINING_EFFICIENCY,
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+ LevelBasedValue.perLevel(7),
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+ AttributeModifier.Operation.ADD_MULTIPLIED_BASE
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+ ),
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+ new EnchantmentAttributeEffect(
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+ fromNamespaceAndPath("paper", "base-mul2"),
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+ Attributes.MINING_EFFICIENCY,
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+ LevelBasedValue.constant(10),
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+ AttributeModifier.Operation.ADD_MULTIPLIED_BASE
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+ ),
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+ new EnchantmentAttributeEffect(
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+ fromNamespaceAndPath("paper", "total-mul1"),
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+ Attributes.MINING_EFFICIENCY,
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+ LevelBasedValue.constant(.2f),
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+ AttributeModifier.Operation.ADD_MULTIPLIED_TOTAL
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+ ),
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+ new EnchantmentAttributeEffect(
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+ fromNamespaceAndPath("paper", "total-mul2"),
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+ Attributes.MINING_EFFICIENCY,
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+ LevelBasedValue.constant(-.5F),
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+ AttributeModifier.Operation.ADD_MULTIPLIED_TOTAL
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+ )
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+ ))
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+ .build()
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+ );
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+ }
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+
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+}
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