diff options
Diffstat (limited to 'patches/server/0435-Add-Destroy-Speed-API.patch')
| -rw-r--r-- | patches/server/0435-Add-Destroy-Speed-API.patch | 219 |
1 files changed, 219 insertions, 0 deletions
diff --git a/patches/server/0435-Add-Destroy-Speed-API.patch b/patches/server/0435-Add-Destroy-Speed-API.patch new file mode 100644 index 0000000000..43e752ecb5 --- /dev/null +++ b/patches/server/0435-Add-Destroy-Speed-API.patch @@ -0,0 +1,219 @@ +From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001 +From: Ineusia <[email protected]> +Date: Mon, 26 Oct 2020 11:48:06 -0500 +Subject: [PATCH] Add Destroy Speed API + +Co-authored-by: Jake Potrebic <[email protected]> + +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 +index 36c943d709c1c0ae49ec0baf0ccf7b6cb9a2ecf3..d28f9e077a50122e86848cfa9db83f6b0e8eef6c 100644 +--- a/src/main/java/net/minecraft/world/entity/ai/attributes/AttributeInstance.java ++++ b/src/main/java/net/minecraft/world/entity/ai/attributes/AttributeInstance.java +@@ -143,20 +143,20 @@ public class AttributeInstance { + double d = this.getBaseValue(); + + for (AttributeModifier attributeModifier : this.getModifiersOrEmpty(AttributeModifier.Operation.ADD_VALUE)) { +- d += attributeModifier.amount(); ++ d += attributeModifier.amount(); // Paper - destroy speed API - diff on change + } + + double e = d; + + for (AttributeModifier attributeModifier2 : this.getModifiersOrEmpty(AttributeModifier.Operation.ADD_MULTIPLIED_BASE)) { +- e += d * attributeModifier2.amount(); ++ e += d * attributeModifier2.amount(); // Paper - destroy speed API - diff on change + } + + for (AttributeModifier attributeModifier3 : this.getModifiersOrEmpty(AttributeModifier.Operation.ADD_MULTIPLIED_TOTAL)) { +- e *= 1.0 + attributeModifier3.amount(); ++ e *= 1.0 + attributeModifier3.amount(); // Paper - destroy speed API - diff on change + } + +- return this.attribute.value().sanitizeValue(e); ++ return attribute.value().sanitizeValue(e); // Paper - destroy speed API - diff on change + } + + private Collection<AttributeModifier> getModifiersOrEmpty(AttributeModifier.Operation operation) { +diff --git a/src/main/java/org/bukkit/craftbukkit/block/data/CraftBlockData.java b/src/main/java/org/bukkit/craftbukkit/block/data/CraftBlockData.java +index 9953b6b36cbcbfd1756bac478b568ca5700fc898..33869e725c3b3f2120fa36ca468019a78321e862 100644 +--- a/src/main/java/org/bukkit/craftbukkit/block/data/CraftBlockData.java ++++ b/src/main/java/org/bukkit/craftbukkit/block/data/CraftBlockData.java +@@ -721,4 +721,35 @@ public class CraftBlockData implements BlockData { + public BlockState createBlockState() { + return CraftBlockStates.getBlockState(this.state, null); + } ++ ++ // Paper start - destroy speed API ++ @Override ++ public float getDestroySpeed(final ItemStack itemStack, final boolean considerEnchants) { ++ net.minecraft.world.item.ItemStack nmsItemStack = CraftItemStack.unwrap(itemStack); ++ float speed = nmsItemStack.getDestroySpeed(this.state); ++ if (speed > 1.0F && considerEnchants) { ++ final net.minecraft.core.Holder<net.minecraft.world.entity.ai.attributes.Attribute> attribute = net.minecraft.world.entity.ai.attributes.Attributes.MINING_EFFICIENCY; ++ // Logic sourced from AttributeInstance#calculateValue ++ final double initialBaseValue = attribute.value().getDefaultValue(); ++ final org.apache.commons.lang3.mutable.MutableDouble modifiedBaseValue = new org.apache.commons.lang3.mutable.MutableDouble(initialBaseValue); ++ final org.apache.commons.lang3.mutable.MutableDouble baseValMul = new org.apache.commons.lang3.mutable.MutableDouble(1); ++ final org.apache.commons.lang3.mutable.MutableDouble totalValMul = new org.apache.commons.lang3.mutable.MutableDouble(1); ++ ++ net.minecraft.world.item.enchantment.EnchantmentHelper.forEachModifier( ++ nmsItemStack, net.minecraft.world.entity.EquipmentSlot.MAINHAND, (attributeHolder, attributeModifier) -> { ++ switch (attributeModifier.operation()) { ++ case ADD_VALUE -> modifiedBaseValue.add(attributeModifier.amount()); ++ case ADD_MULTIPLIED_BASE -> baseValMul.add(attributeModifier.amount()); ++ case ADD_MULTIPLIED_TOTAL -> totalValMul.setValue(totalValMul.doubleValue() * (1D + attributeModifier.amount())); ++ } ++ } ++ ); ++ ++ final double actualModifier = modifiedBaseValue.doubleValue() * baseValMul.doubleValue() * totalValMul.doubleValue(); ++ ++ speed += (float) attribute.value().sanitizeValue(actualModifier); ++ } ++ return speed; ++ } ++ // Paper end - destroy speed API + } +diff --git a/src/test/java/io/papermc/paper/block/CraftBlockDataDestroySpeedTest.java b/src/test/java/io/papermc/paper/block/CraftBlockDataDestroySpeedTest.java +new file mode 100644 +index 0000000000000000000000000000000000000000..62aef9abab896491f7806490184fc6899ec36c57 +--- /dev/null ++++ b/src/test/java/io/papermc/paper/block/CraftBlockDataDestroySpeedTest.java +@@ -0,0 +1,137 @@ ++package io.papermc.paper.block; ++ ++import java.util.List; ++import java.util.Optional; ++import net.minecraft.core.Holder; ++import net.minecraft.core.HolderSet; ++import net.minecraft.core.component.DataComponentMap; ++import net.minecraft.core.component.DataComponents; ++import net.minecraft.network.chat.Component; ++import net.minecraft.world.entity.EquipmentSlot; ++import net.minecraft.world.entity.EquipmentSlotGroup; ++import net.minecraft.world.entity.ai.attributes.AttributeInstance; ++import net.minecraft.world.entity.ai.attributes.AttributeModifier; ++import net.minecraft.world.entity.ai.attributes.Attributes; ++import net.minecraft.world.item.Items; ++import net.minecraft.world.item.enchantment.Enchantment; ++import net.minecraft.world.item.enchantment.EnchantmentEffectComponents; ++import net.minecraft.world.item.enchantment.EnchantmentHelper; ++import net.minecraft.world.item.enchantment.ItemEnchantments; ++import net.minecraft.world.item.enchantment.LevelBasedValue; ++import net.minecraft.world.item.enchantment.effects.EnchantmentAttributeEffect; ++import net.minecraft.world.level.block.Blocks; ++import net.minecraft.world.level.block.state.BlockState; ++import org.bukkit.craftbukkit.block.data.CraftBlockData; ++import org.bukkit.craftbukkit.inventory.CraftItemStack; ++import org.bukkit.inventory.ItemStack; ++import org.bukkit.support.AbstractTestingBase; ++import org.bukkit.util.Vector; ++import org.jetbrains.annotations.NotNull; ++import org.junit.jupiter.api.Assertions; ++import org.junit.jupiter.api.Test; ++ ++import static net.minecraft.resources.ResourceLocation.fromNamespaceAndPath; ++ ++/** ++ * CraftBlockData's {@link org.bukkit.craftbukkit.block.data.CraftBlockData#getDestroySpeed(ItemStack, boolean)} ++ * uses a reimplementation of AttributeValue without any map to avoid attribute instance allocation and mutation ++ * for 0 gain. ++ * <p> ++ * This test is responsible for ensuring that said logic emits the expected destroy speed under heavy attribute ++ * modifier use. ++ */ ++public class CraftBlockDataDestroySpeedTest extends AbstractTestingBase { ++ ++ @Test ++ public void testCorrectEnchantmentDestroySpeedComputation() { ++ // Construct fake enchantment that has *all and multiple of* operations ++ final Enchantment speedEnchantment = speedEnchantment(); ++ final BlockState blockStateToMine = Blocks.STONE.defaultBlockState(); ++ ++ final ItemEnchantments.Mutable mutable = new ItemEnchantments.Mutable(ItemEnchantments.EMPTY); ++ mutable.set(Holder.direct(speedEnchantment), 1); ++ ++ final net.minecraft.world.item.ItemStack itemStack = new net.minecraft.world.item.ItemStack(Items.DIAMOND_PICKAXE); ++ itemStack.set(DataComponents.ENCHANTMENTS, mutable.toImmutable()); ++ ++ // Compute expected value by running the entire attribute instance chain ++ final AttributeInstance dummyInstance = new AttributeInstance(Attributes.MINING_EFFICIENCY, $ -> { ++ }); ++ EnchantmentHelper.forEachModifier(itemStack, EquipmentSlot.MAINHAND, (attributeHolder, attributeModifier) -> { ++ if (attributeHolder.is(Attributes.MINING_EFFICIENCY)) dummyInstance.addTransientModifier(attributeModifier); ++ }); ++ ++ final double toolSpeed = itemStack.getDestroySpeed(blockStateToMine); ++ final double expectedSpeed = toolSpeed <= 1.0F ? toolSpeed : toolSpeed + dummyInstance.getValue(); ++ ++ // API stack + computation ++ final CraftItemStack craftMirror = CraftItemStack.asCraftMirror(itemStack); ++ final CraftBlockData data = CraftBlockData.createData(blockStateToMine); ++ final float actualSpeed = data.getDestroySpeed(craftMirror, true); ++ ++ Assertions.assertEquals(expectedSpeed, actualSpeed, Vector.getEpsilon()); ++ } ++ ++ /** ++ * Complex enchantment that holds attribute modifiers for the mining efficiency. ++ * The enchantment holds 2 of each operation to also ensure that such behaviour works correctly. ++ * ++ * @return the enchantment. ++ */ ++ private static @NotNull Enchantment speedEnchantment() { ++ return new Enchantment( ++ Component.empty(), ++ new Enchantment.EnchantmentDefinition( ++ HolderSet.empty(), ++ Optional.empty(), ++ 0, 0, ++ Enchantment.constantCost(0), ++ Enchantment.constantCost(0), ++ 0, ++ List.of(EquipmentSlotGroup.ANY) ++ ), ++ HolderSet.empty(), ++ DataComponentMap.builder() ++ .set(EnchantmentEffectComponents.ATTRIBUTES, List.of( ++ new EnchantmentAttributeEffect( ++ fromNamespaceAndPath("paper", "base1"), ++ Attributes.MINING_EFFICIENCY, ++ LevelBasedValue.constant(1), ++ AttributeModifier.Operation.ADD_VALUE ++ ), ++ new EnchantmentAttributeEffect( ++ fromNamespaceAndPath("paper", "base2"), ++ Attributes.MINING_EFFICIENCY, ++ LevelBasedValue.perLevel(3), ++ AttributeModifier.Operation.ADD_VALUE ++ ), ++ new EnchantmentAttributeEffect( ++ fromNamespaceAndPath("paper", "base-mul1"), ++ Attributes.MINING_EFFICIENCY, ++ LevelBasedValue.perLevel(7), ++ AttributeModifier.Operation.ADD_MULTIPLIED_BASE ++ ), ++ new EnchantmentAttributeEffect( ++ fromNamespaceAndPath("paper", "base-mul2"), ++ Attributes.MINING_EFFICIENCY, ++ LevelBasedValue.constant(10), ++ AttributeModifier.Operation.ADD_MULTIPLIED_BASE ++ ), ++ new EnchantmentAttributeEffect( ++ fromNamespaceAndPath("paper", "total-mul1"), ++ Attributes.MINING_EFFICIENCY, ++ LevelBasedValue.constant(.2f), ++ AttributeModifier.Operation.ADD_MULTIPLIED_TOTAL ++ ), ++ new EnchantmentAttributeEffect( ++ fromNamespaceAndPath("paper", "total-mul2"), ++ Attributes.MINING_EFFICIENCY, ++ LevelBasedValue.constant(-.5F), ++ AttributeModifier.Operation.ADD_MULTIPLIED_TOTAL ++ ) ++ )) ++ .build() ++ ); ++ } ++ ++} |