Paper/patches/server/0915-Fix-CraftMetaItem-getAttributeModifier-duplication-c.patch

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1.5 KiB
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From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: hyper1423 <backup8822@gmail.com>
Date: Sun, 3 Dec 2023 07:38:09 +0900
Subject: [PATCH] Fix CraftMetaItem#getAttributeModifier duplication check
diff --git a/src/main/java/org/bukkit/craftbukkit/inventory/CraftMetaItem.java b/src/main/java/org/bukkit/craftbukkit/inventory/CraftMetaItem.java
index 0b87cfbdf039ee5bc017d2b1783c7c4853047952..5a455354561389194b0e61c03f4b2e9285b17a3b 100644
--- a/src/main/java/org/bukkit/craftbukkit/inventory/CraftMetaItem.java
+++ b/src/main/java/org/bukkit/craftbukkit/inventory/CraftMetaItem.java
@@ -1405,7 +1405,7 @@ class CraftMetaItem implements ItemMeta, Damageable, Repairable, BlockDataMeta {
Preconditions.checkNotNull(modifier, "AttributeModifier cannot be null");
this.checkAttributeList();
for (Map.Entry<Attribute, AttributeModifier> entry : this.attributeModifiers.entries()) {
- Preconditions.checkArgument(!entry.getValue().getKey().equals(modifier.getKey()), "Cannot register AttributeModifier. Modifier is already applied! %s", modifier);
+ Preconditions.checkArgument(!(entry.getValue().getKey().equals(modifier.getKey()) && entry.getKey() == attribute), "Cannot register AttributeModifier. Modifier is already applied! %s", modifier); // Paper - attribute modifiers with same namespaced key but on different attributes are fine
}
return this.attributeModifiers.put(attribute, modifier);
}