From c63c4893af453974f3798e9315cb05cb0a03b35a Mon Sep 17 00:00:00 2001
From: Ennui Langeweile <85590273+EnnuiL@users.noreply.github.com>
Date: Mon, 31 Jul 2023 22:00:27 -0300
Subject: [PATCH] Add stopguard on registering dynamic registries No, you
 cannot use the `minecraft` namespace and blow up the world

---
 .../qsl/registry/impl/dynamic/DynamicMetaRegistryImpl.java   | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/library/core/registry/src/main/java/org/quiltmc/qsl/registry/impl/dynamic/DynamicMetaRegistryImpl.java b/library/core/registry/src/main/java/org/quiltmc/qsl/registry/impl/dynamic/DynamicMetaRegistryImpl.java
index b6304e1548..8fd0b2edab 100644
--- a/library/core/registry/src/main/java/org/quiltmc/qsl/registry/impl/dynamic/DynamicMetaRegistryImpl.java
+++ b/library/core/registry/src/main/java/org/quiltmc/qsl/registry/impl/dynamic/DynamicMetaRegistryImpl.java
@@ -45,7 +45,12 @@ public static boolean isModdedRegistryId(Identifier id) {
 	}
 
 	public static <E> void register(RegistryKey<? extends Registry<E>> ref, Codec<E> entryCodec, DynamicRegistryFlag... flags) {
+		if (ref.getValue().getNamespace().equals(Identifier.DEFAULT_NAMESPACE)) {
+			throw new IllegalStateException("The '" + ref.getValue() + "' dynamic registry cannot have 'minecraft' as its identifier's namespace!");
+		}
+
 		if (frozen) throw new IllegalStateException("Registry is already frozen");
+
 		MODDED_REGISTRY_IDS.add(ref.getValue());
 		RegistryLoader.WORLDGEN_REGISTRIES.add(new RegistryLoader.DecodingData<>(ref, entryCodec));
 		for (DynamicRegistryFlag flag : flags) {