From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Jake Potrebic <jake.m.potrebic@gmail.com>
Date: Sun, 20 Mar 2022 22:06:47 -0700
Subject: [PATCH] cache resource keys


diff --git a/src/main/java/org/bukkit/craftbukkit/tag/CraftEntityTag.java b/src/main/java/org/bukkit/craftbukkit/tag/CraftEntityTag.java
index 277fbf879d9953f0ef0ba78c0f9888690c5b8e8d..ecb926ac6497bafd86ebc3c068aa46a29d3c0169 100644
--- a/src/main/java/org/bukkit/craftbukkit/tag/CraftEntityTag.java
+++ b/src/main/java/org/bukkit/craftbukkit/tag/CraftEntityTag.java
@@ -16,9 +16,10 @@ public class CraftEntityTag extends CraftTag<net.minecraft.world.entity.EntityTy
         super(registry, tag);
     }
 
+    private static final java.util.Map<EntityType<?>, net.minecraft.resources.ResourceKey<net.minecraft.world.entity.EntityType<?>>> KEY_CACHE = new java.util.concurrent.ConcurrentHashMap<>(); // Paper - cache key
     @Override
     public boolean isTagged(EntityType<?> entity) {
-        return registry.getHolderOrThrow(ResourceKey.create(Registries.ENTITY_TYPE, CraftNamespacedKey.toMinecraft(entity.getKey()))).is(tag);
+        return registry.getHolderOrThrow(KEY_CACHE.computeIfAbsent(entity, type -> ResourceKey.create(Registries.ENTITY_TYPE, CraftNamespacedKey.toMinecraft(type.getKey())))).is(tag); // Paper - cache key
     }
 
     @Override