From 0056a57f30956b78c3ea0f670edb25d642243937 Mon Sep 17 00:00:00 2001
From: embeddedt <42941056+embeddedt@users.noreply.github.com>
Date: Wed, 13 Dec 2023 14:18:53 -0500
Subject: [PATCH] Optimize RegistryDelegate#hashCode()

---
 .../RegistryDelegateMixin.java                | 25 +++++++++++++++++++
 1 file changed, 25 insertions(+)
 create mode 100644 forge/src/main/java/org/embeddedt/modernfix/forge/mixin/perf/forge_registry_lambda/RegistryDelegateMixin.java

diff --git a/forge/src/main/java/org/embeddedt/modernfix/forge/mixin/perf/forge_registry_lambda/RegistryDelegateMixin.java b/forge/src/main/java/org/embeddedt/modernfix/forge/mixin/perf/forge_registry_lambda/RegistryDelegateMixin.java
new file mode 100644
index 00000000..918b5a30
--- /dev/null
+++ b/forge/src/main/java/org/embeddedt/modernfix/forge/mixin/perf/forge_registry_lambda/RegistryDelegateMixin.java
@@ -0,0 +1,25 @@
+package org.embeddedt.modernfix.forge.mixin.perf.forge_registry_lambda;
+
+import net.minecraft.resources.ResourceLocation;
+import org.spongepowered.asm.mixin.Mixin;
+import org.spongepowered.asm.mixin.Overwrite;
+import org.spongepowered.asm.mixin.Shadow;
+
+@Mixin(targets = {"net/minecraftforge/registries/RegistryDelegate"})
+public class RegistryDelegateMixin {
+    @Shadow private ResourceLocation name;
+
+    /**
+     * @author embeddedt
+     * @reason avoid allocation in hashCode()
+     */
+    @Overwrite(remap = false)
+    public int hashCode() {
+        ResourceLocation name = this.name;
+        if(name != null) {
+            return name.hashCode();
+        } else {
+            return 0;
+        }
+    }
+}