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Add API to retrieve an attribute modifier from a UUID (#9924)

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* Add attribute modifier from UUID API

* Add method to remove by UUID

* Add overload for UnmodifiableAttributeInstance, better precondition messages

* rebase
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TonytheMacaroni 2023-11-18 19:55:57 -05:00
commit a27d62766e
2 changed files with 90 additions and 0 deletions
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34
patches/api/Add-UUID-attribute-modifier-API.patch Normal file
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@ -0,0 +1,34 @@
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: TonytheMacaroni <tonythemacaroni123@gmail.com>
Date: Thu, 9 Nov 2023 20:35:35 -0500
Subject: [PATCH] Add UUID attribute modifier API
diff --git a/src/main/java/org/bukkit/attribute/AttributeInstance.java b/src/main/java/org/bukkit/attribute/AttributeInstance.java
index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000 100644
--- a/src/main/java/org/bukkit/attribute/AttributeInstance.java
+++ b/src/main/java/org/bukkit/attribute/AttributeInstance.java
@@ -0,0 +0,0 @@ public interface AttributeInstance {
@NotNull
Collection<AttributeModifier> getModifiers();
+ // Paper start
+ /**
+ * Gets the modifier with the corresponding UUID.
+ *
+ * @param uuid the UUID of the modifier
+ * @return the modifier, if it exists
+ */
+ @org.jetbrains.annotations.Nullable AttributeModifier getModifier(@NotNull java.util.UUID uuid);
+
+ /**
+ * Remove a modifier with the corresponding UUID from this instance.
+ *
+ * @param uuid the UUID of the modifier
+ */
+ void removeModifier(@NotNull java.util.UUID uuid);
+ // Paper end
+
/**
* Add a modifier to this instance.
*

56
patches/server/Add-UUID-attribute-modifier-API.patch Normal file
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@ -0,0 +1,56 @@
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: TonytheMacaroni <tonythemacaroni123@gmail.com>
Date: Thu, 9 Nov 2023 20:34:44 -0500
Subject: [PATCH] Add UUID attribute modifier API
diff --git a/src/main/java/io/papermc/paper/attribute/UnmodifiableAttributeInstance.java b/src/main/java/io/papermc/paper/attribute/UnmodifiableAttributeInstance.java
index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000 100644
--- a/src/main/java/io/papermc/paper/attribute/UnmodifiableAttributeInstance.java
+++ b/src/main/java/io/papermc/paper/attribute/UnmodifiableAttributeInstance.java
@@ -0,0 +0,0 @@ import org.bukkit.attribute.Attribute;
import org.bukkit.attribute.AttributeModifier;
import org.bukkit.craftbukkit.attribute.CraftAttributeInstance;
+import java.util.UUID;
import java.util.Collection;
public class UnmodifiableAttributeInstance extends CraftAttributeInstance {
@@ -0,0 +0,0 @@ public class UnmodifiableAttributeInstance extends CraftAttributeInstance {
throw new UnsupportedOperationException("Cannot modify default attributes");
}
+ @Override
+ public void removeModifier(UUID uuid) {
+ throw new UnsupportedOperationException("Cannot modify default attributes");
+ }
+
@Override
public void addModifier(AttributeModifier modifier) {
throw new UnsupportedOperationException("Cannot modify default attributes");
diff --git a/src/main/java/org/bukkit/craftbukkit/attribute/CraftAttributeInstance.java b/src/main/java/org/bukkit/craftbukkit/attribute/CraftAttributeInstance.java
index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000 100644
--- a/src/main/java/org/bukkit/craftbukkit/attribute/CraftAttributeInstance.java
+++ b/src/main/java/org/bukkit/craftbukkit/attribute/CraftAttributeInstance.java
@@ -0,0 +0,0 @@ public class CraftAttributeInstance implements AttributeInstance {
return result;
}
+ // Paper start
+ @Override
+ public AttributeModifier getModifier(java.util.UUID uuid) {
+ Preconditions.checkArgument(uuid != null, "UUID cannot be null");
+ net.minecraft.world.entity.ai.attributes.AttributeModifier modifier = this.handle.getModifier(uuid);
+ return modifier == null ? null : CraftAttributeInstance.convert(modifier);
+ }
+
+ @Override
+ public void removeModifier(java.util.UUID uuid) {
+ Preconditions.checkArgument(uuid != null, "UUID cannot be null");
+ this.handle.removeModifier(uuid);
+ }
+ // Paper end
+
@Override
public void addModifier(AttributeModifier modifier) {
Preconditions.checkArgument(modifier != null, "modifier");