160 lines
7.0 KiB
Diff
160 lines
7.0 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
|
|
From: Jake Potrebic <jake.m.potrebic@gmail.com>
|
|
Date: Fri, 20 Aug 2021 13:03:21 -0700
|
|
Subject: [PATCH] Get entity default attributes
|
|
|
|
|
|
diff --git a/src/main/java/io/papermc/paper/attribute/UnmodifiableAttributeInstance.java b/src/main/java/io/papermc/paper/attribute/UnmodifiableAttributeInstance.java
|
|
new file mode 100644
|
|
index 0000000000000000000000000000000000000000..12135ffeacd648f6bc4d7d327059ea1a7e8c79c4
|
|
--- /dev/null
|
|
+++ b/src/main/java/io/papermc/paper/attribute/UnmodifiableAttributeInstance.java
|
|
@@ -0,0 +1,30 @@
|
|
+package io.papermc.paper.attribute;
|
|
+
|
|
+import net.minecraft.world.entity.ai.attributes.AttributeInstance;
|
|
+import org.bukkit.attribute.Attribute;
|
|
+import org.bukkit.attribute.AttributeModifier;
|
|
+import org.bukkit.craftbukkit.attribute.CraftAttributeInstance;
|
|
+
|
|
+import java.util.Collection;
|
|
+
|
|
+public class UnmodifiableAttributeInstance extends CraftAttributeInstance {
|
|
+
|
|
+ public UnmodifiableAttributeInstance(AttributeInstance handle, Attribute attribute) {
|
|
+ super(handle, attribute);
|
|
+ }
|
|
+
|
|
+ @Override
|
|
+ public void setBaseValue(double d) {
|
|
+ throw new UnsupportedOperationException("Cannot modify default attributes");
|
|
+ }
|
|
+
|
|
+ @Override
|
|
+ public void addModifier(AttributeModifier modifier) {
|
|
+ throw new UnsupportedOperationException("Cannot modify default attributes");
|
|
+ }
|
|
+
|
|
+ @Override
|
|
+ public void removeModifier(AttributeModifier modifier) {
|
|
+ throw new UnsupportedOperationException("Cannot modify default attributes");
|
|
+ }
|
|
+}
|
|
diff --git a/src/main/java/io/papermc/paper/attribute/UnmodifiableAttributeMap.java b/src/main/java/io/papermc/paper/attribute/UnmodifiableAttributeMap.java
|
|
new file mode 100644
|
|
index 0000000000000000000000000000000000000000..4ecba0b02c2813a890aecc558698787946d2ccb8
|
|
--- /dev/null
|
|
+++ b/src/main/java/io/papermc/paper/attribute/UnmodifiableAttributeMap.java
|
|
@@ -0,0 +1,43 @@
|
|
+package io.papermc.paper.attribute;
|
|
+
|
|
+import com.google.common.collect.Maps;
|
|
+import com.google.common.util.concurrent.Callables;
|
|
+import com.google.common.util.concurrent.Runnables;
|
|
+import net.minecraft.world.entity.ai.attributes.AttributeSupplier;
|
|
+import org.bukkit.attribute.Attributable;
|
|
+import org.bukkit.attribute.Attribute;
|
|
+import org.bukkit.attribute.AttributeInstance;
|
|
+import org.bukkit.craftbukkit.attribute.CraftAttributeInstance;
|
|
+import org.bukkit.craftbukkit.attribute.CraftAttributeMap;
|
|
+import org.jetbrains.annotations.NotNull;
|
|
+import org.jetbrains.annotations.Nullable;
|
|
+
|
|
+import java.util.Map;
|
|
+import java.util.function.Consumer;
|
|
+import java.util.function.Function;
|
|
+
|
|
+public class UnmodifiableAttributeMap implements Attributable {
|
|
+
|
|
+
|
|
+ private final Map<Attribute, AttributeInstance> attributes = Maps.newHashMap();
|
|
+ private final AttributeSupplier handle;
|
|
+
|
|
+ public UnmodifiableAttributeMap(@NotNull AttributeSupplier handle) {
|
|
+ this.handle = handle;
|
|
+ }
|
|
+
|
|
+ @Override
|
|
+ public @Nullable AttributeInstance getAttribute(@NotNull Attribute attribute) {
|
|
+ var nmsAttribute = CraftAttributeMap.toMinecraft(attribute);
|
|
+ var nmsAttributeInstance = this.handle.instances.get(nmsAttribute);
|
|
+ if (nmsAttribute == null) {
|
|
+ return null;
|
|
+ }
|
|
+ return new UnmodifiableAttributeInstance(nmsAttributeInstance, attribute);
|
|
+ }
|
|
+
|
|
+ @Override
|
|
+ public void registerAttribute(@NotNull Attribute attribute) {
|
|
+ throw new UnsupportedOperationException("Cannot register new attributes here");
|
|
+ }
|
|
+}
|
|
diff --git a/src/main/java/org/bukkit/craftbukkit/util/CraftMagicNumbers.java b/src/main/java/org/bukkit/craftbukkit/util/CraftMagicNumbers.java
|
|
index 5345ab40f18437fc60080f9feff4ee0d59a9ed6d..23c0a1cbff74067bb1700ec443f14ee441085b3c 100644
|
|
--- a/src/main/java/org/bukkit/craftbukkit/util/CraftMagicNumbers.java
|
|
+++ b/src/main/java/org/bukkit/craftbukkit/util/CraftMagicNumbers.java
|
|
@@ -562,6 +562,18 @@ public final class CraftMagicNumbers implements UnsafeValues {
|
|
public int getProtocolVersion() {
|
|
return net.minecraft.SharedConstants.getCurrentVersion().getProtocolVersion();
|
|
}
|
|
+
|
|
+ @Override
|
|
+ public boolean hasDefaultEntityAttributes(NamespacedKey bukkitEntityKey) {
|
|
+ return net.minecraft.world.entity.ai.attributes.DefaultAttributes.hasSupplier(net.minecraft.core.Registry.ENTITY_TYPE.get(CraftNamespacedKey.toMinecraft(bukkitEntityKey)));
|
|
+ }
|
|
+
|
|
+ @Override
|
|
+ public org.bukkit.attribute.Attributable getDefaultEntityAttributes(NamespacedKey bukkitEntityKey) {
|
|
+ Preconditions.checkArgument(hasDefaultEntityAttributes(bukkitEntityKey), bukkitEntityKey + " doesn't have default attributes");
|
|
+ var supplier = net.minecraft.world.entity.ai.attributes.DefaultAttributes.getSupplier((net.minecraft.world.entity.EntityType<? extends net.minecraft.world.entity.LivingEntity>) net.minecraft.core.Registry.ENTITY_TYPE.get(CraftNamespacedKey.toMinecraft(bukkitEntityKey)));
|
|
+ return new io.papermc.paper.attribute.UnmodifiableAttributeMap(supplier);
|
|
+ }
|
|
// Paper end
|
|
|
|
/**
|
|
diff --git a/src/test/java/io/papermc/paper/attribute/EntityTypeAttributesTest.java b/src/test/java/io/papermc/paper/attribute/EntityTypeAttributesTest.java
|
|
new file mode 100644
|
|
index 0000000000000000000000000000000000000000..7b999deba66aa6d22cd7520f6c13550a44ca327d
|
|
--- /dev/null
|
|
+++ b/src/test/java/io/papermc/paper/attribute/EntityTypeAttributesTest.java
|
|
@@ -0,0 +1,39 @@
|
|
+package io.papermc.paper.attribute;
|
|
+
|
|
+import org.bukkit.attribute.Attributable;
|
|
+import org.bukkit.attribute.Attribute;
|
|
+import org.bukkit.attribute.AttributeInstance;
|
|
+import org.bukkit.attribute.AttributeModifier;
|
|
+import org.bukkit.entity.EntityType;
|
|
+import org.bukkit.support.AbstractTestingBase;
|
|
+import org.junit.Test;
|
|
+
|
|
+import static org.junit.Assert.assertFalse;
|
|
+import static org.junit.Assert.assertNotNull;
|
|
+import static org.junit.Assert.assertThrows;
|
|
+import static org.junit.Assert.assertTrue;
|
|
+
|
|
+public class EntityTypeAttributesTest extends AbstractTestingBase {
|
|
+
|
|
+ @Test
|
|
+ public void testIllegalEntity() {
|
|
+ assertFalse(EntityType.EGG.hasDefaultAttributes());
|
|
+ assertThrows(IllegalArgumentException.class, () -> EntityType.EGG.getDefaultAttributes());
|
|
+ }
|
|
+
|
|
+ @Test
|
|
+ public void testLegalEntity() {
|
|
+ assertTrue(EntityType.ZOMBIE.hasDefaultAttributes());
|
|
+ EntityType.ZOMBIE.getDefaultAttributes();
|
|
+ }
|
|
+
|
|
+ @Test
|
|
+ public void testUnmodifiabilityOfAttributable() {
|
|
+ Attributable attributable = EntityType.ZOMBIE.getDefaultAttributes();
|
|
+ assertThrows(UnsupportedOperationException.class, () -> attributable.registerAttribute(Attribute.GENERIC_ATTACK_DAMAGE));
|
|
+ AttributeInstance instance = attributable.getAttribute(Attribute.GENERIC_FOLLOW_RANGE);
|
|
+ assertNotNull(instance);
|
|
+ assertThrows(UnsupportedOperationException.class, () -> instance.addModifier(new AttributeModifier("test", 3, AttributeModifier.Operation.ADD_NUMBER)));
|
|
+ assertThrows(UnsupportedOperationException.class, () -> instance.setBaseValue(3.2));
|
|
+ }
|
|
+}
|