From b7eb951c20cb74038ccca8024a67106363d3b55e Mon Sep 17 00:00:00 2001
From: IThundxr <me@ithundxr.dev>
Date: Sat, 1 Mar 2025 18:00:30 -0500
Subject: [PATCH] Packed registries

---
 .../mixin/BuiltInRegistriesMixin.java         | 19 ++++++++++++++++++-
 1 file changed, 18 insertions(+), 1 deletion(-)

diff --git a/src/main/java/com/simibubi/create/foundation/mixin/BuiltInRegistriesMixin.java b/src/main/java/com/simibubi/create/foundation/mixin/BuiltInRegistriesMixin.java
index 475671439c..8a5a9416ff 100644
--- a/src/main/java/com/simibubi/create/foundation/mixin/BuiltInRegistriesMixin.java
+++ b/src/main/java/com/simibubi/create/foundation/mixin/BuiltInRegistriesMixin.java
@@ -1,9 +1,16 @@
 package com.simibubi.create.foundation.mixin;
 
-import org.spongepowered.asm.mixin.Mixin;
+import java.util.function.Consumer;
 
+import org.spongepowered.asm.mixin.Mixin;
+import org.spongepowered.asm.mixin.injection.At;
+
+import com.llamalad7.mixinextras.injector.wrapoperation.Operation;
+import com.llamalad7.mixinextras.injector.wrapoperation.WrapOperation;
+import com.simibubi.create.Create;
 import com.simibubi.create.api.registry.CreateBuiltInRegistries;
 
+import net.minecraft.core.Registry;
 import net.minecraft.core.registries.BuiltInRegistries;
 
 @Mixin(BuiltInRegistries.class)
@@ -11,4 +18,14 @@ public class BuiltInRegistriesMixin {
 	static {
 		CreateBuiltInRegistries.init();
 	}
+
+	@WrapOperation(method = "validate", at = @At(value = "INVOKE", target = "Lnet/minecraft/core/Registry;forEach(Ljava/util/function/Consumer;)V"))
+	private static <T extends Registry<?>> void create$ourRegistriesAreNotEmpty(Registry<T> instance, Consumer<T> consumer, Operation<Void> original) {
+		Consumer<T> callback = (t) -> {
+			if (!t.key().location().getNamespace().equals(Create.ID))
+				consumer.accept(t);
+		};
+
+		original.call(instance, callback);
+	}
 }