Enchantment is data-driven, so not FeatureDependant (#11377)

patches/api/Add-FeatureFlag-API.patch

@@ -21,8 +21,9 @@ index 0000000000000000000000000000000000000000..00000000000000000000000000000000
 +/**
 + * Implemented by types in built-in registries that are controlled by {@link FeatureFlag FeatureFlags}.
 + * Types in data-driven registries that are controlled by feature flags just will not exist in that registry.
++ * @apiNote When a type that currently implements this interface transitions to being data-drive, this
++ * interface will be removed from that type in the following major version.
 + */
-+@ApiStatus.Experimental
 +@ApiStatus.NonExtendable
 +public interface FeatureDependant {
 +
@@ -79,7 +80,6 @@ index 0000000000000000000000000000000000000000..00000000000000000000000000000000
 + * Implemented by types that hold {@link FeatureFlag FeatureFlags} like
 + * {@link org.bukkit.generator.WorldInfo} and {@link org.bukkit.RegionAccessor}.
 + */
-+@ApiStatus.Experimental
 +@ApiStatus.NonExtendable
 +public interface FeatureFlagSetHolder {
 +
@@ -121,7 +121,7 @@ index 0000000000000000000000000000000000000000..00000000000000000000000000000000
 - * Flags which are unavailable in the current version will be null and/or
 - * removed.
   */
- @ApiStatus.Experimental
+-@ApiStatus.Experimental
  public interface FeatureFlag extends Keyed {
  
 -    public static final FeatureFlag VANILLA = Bukkit.getUnsafe().getFeatureFlag(NamespacedKey.minecraft("vanilla"));
@@ -253,19 +253,6 @@ index 0000000000000000000000000000000000000000..00000000000000000000000000000000
  
      /**
       * Typed represents a subtype of {@link BlockType}s that have a known block
-diff --git a/src/main/java/org/bukkit/enchantments/Enchantment.java b/src/main/java/org/bukkit/enchantments/Enchantment.java
-index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000 100644
---- a/src/main/java/org/bukkit/enchantments/Enchantment.java
-+++ b/src/main/java/org/bukkit/enchantments/Enchantment.java
-@@ -0,0 +0,0 @@ import org.jetbrains.annotations.Nullable;
- /**
-  * The various type of enchantments that may be added to armour or weapons
-  */
--public abstract class Enchantment implements Keyed, Translatable, net.kyori.adventure.translation.Translatable { // Paper - Adventure translations
-+public abstract class Enchantment implements Keyed, Translatable, net.kyori.adventure.translation.Translatable, io.papermc.paper.world.flag.FeatureDependant { // Paper - Adventure translations & feature flag API
-     /**
-      * Provides protection against environmental damage
-      */
 diff --git a/src/main/java/org/bukkit/entity/EntityType.java b/src/main/java/org/bukkit/entity/EntityType.java
 index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000 100644
 --- a/src/main/java/org/bukkit/entity/EntityType.java

patches/server/Add-FeatureFlag-API.patch

@@ -320,8 +320,10 @@ index 0000000000000000000000000000000000000000..00000000000000000000000000000000
 +import io.papermc.paper.registry.PaperRegistries;
 +import io.papermc.paper.registry.RegistryAccess;
 +import io.papermc.paper.registry.RegistryKey;
++import io.papermc.paper.registry.entry.RegistryEntry;
 +import java.util.HashSet;
 +import java.util.Set;
++import java.util.stream.Stream;
 +import net.kyori.adventure.key.Key;
 +import net.minecraft.core.registries.Registries;
 +import net.minecraft.resources.ResourceKey;
@@ -338,6 +340,7 @@ index 0000000000000000000000000000000000000000..00000000000000000000000000000000
 +
 +import static org.junit.jupiter.api.Assertions.assertDoesNotThrow;
 +import static org.junit.jupiter.api.Assertions.assertEquals;
++import static org.junit.jupiter.api.Assertions.assertFalse;
 +import static org.junit.jupiter.api.Assertions.assertInstanceOf;
 +import static org.junit.jupiter.api.Assertions.assertNotNull;
 +import static org.junit.jupiter.api.Assertions.fail;
@@ -385,11 +388,28 @@ index 0000000000000000000000000000000000000000..00000000000000000000000000000000
 +
 +    @MethodSource("featureFilteredRegistries")
 +    @ParameterizedTest
-+    <T extends Keyed> void testFeatureDependent(final RegistryKey<T> registryKey) {
++    <T extends Keyed> void testApiImplementsFeatureDependant(final RegistryKey<T> registryKey) {
 +        final org.bukkit.Registry<T> registry = RegistryAccess.registryAccess().getRegistry(registryKey);
 +        final T anyElement = registry.iterator().next();
 +        assertInstanceOf(FeatureDependant.class, anyElement, "Registry " + registryKey + " doesn't have feature dependent elements");
 +        final FeatureDependant dependant = ((FeatureDependant) anyElement);
 +        assertDoesNotThrow(dependant::requiredFeatures, "Failed to get required features for " + anyElement + " in " + registryKey);
 +    }
++
++    static Stream<RegistryKey<?>> nonFeatureFilteredRegistries() {
++        return AbstractTestingBase.REGISTRY_CUSTOM.registries().filter(r -> {
++            final RegistryEntry<?, ?> entry = PaperRegistries.getEntry(r.key());
++            // has an API registry and isn't a filtered registry
++            return entry != null && !FeatureElement.FILTERED_REGISTRIES.contains(r.key());
++        }).map(r -> PaperRegistries.getEntry(r.key()).apiKey());
++    }
++
++
++    @MethodSource("nonFeatureFilteredRegistries")
++    @ParameterizedTest
++    <T extends Keyed> void testApiDoesntImplementFeatureDependant(final RegistryKey<T> registryKey) {
++        final org.bukkit.Registry<T> registry = RegistryAccess.registryAccess().getRegistry(registryKey);
++        final T anyElement = registry.iterator().next();
++        assertFalse(anyElement instanceof FeatureDependant, "Registry " + registryKey + " has feature dependent elements");
++    }
 +}