翻了一下Forge原生的有这些
public static final RegistryObject<Codec<NoneBiomeModifier>> NONE_BIOME_MODIFIER_TYPE = BIOME_MODIFIER_SERIALIZERS.register("none", () -> Codec.unit(NoneBiomeModifier.INSTANCE));
/**
* Stock biome modifier for adding features to biomes.
*/
public static final RegistryObject<Codec<AddFeaturesBiomeModifier>> ADD_FEATURES_BIOME_MODIFIER_TYPE = BIOME_MODIFIER_SERIALIZERS.register("add_features", () ->
RecordCodecBuilder.create(builder -> builder.group(
Biome.LIST_CODEC.fieldOf("biomes").forGetter(AddFeaturesBiomeModifier::biomes),
PlacedFeature.LIST_CODEC.fieldOf("features").forGetter(AddFeaturesBiomeModifier::features),
Decoration.CODEC.fieldOf("step").forGetter(AddFeaturesBiomeModifier::step)
).apply(builder, AddFeaturesBiomeModifier::new))
);
/**
* Stock biome modifier for removing features from biomes.
*/
public static final RegistryObject<Codec<RemoveFeaturesBiomeModifier>> REMOVE_FEATURES_BIOME_MODIFIER_TYPE = BIOME_MODIFIER_SERIALIZERS.register("remove_features", () ->
RecordCodecBuilder.create(builder -> builder.group(
Biome.LIST_CODEC.fieldOf("biomes").forGetter(RemoveFeaturesBiomeModifier::biomes),
PlacedFeature.LIST_CODEC.fieldOf("features").forGetter(RemoveFeaturesBiomeModifier::features),
new ExtraCodecs.EitherCodec<List<Decoration>, Decoration>(Decoration.CODEC.listOf(), Decoration.CODEC).<Set<Decoration>>xmap(
either -> either.map(Set::copyOf, Set::of), // convert list/singleton to set when decoding
set -> set.size() == 1 ? Either.right(set.toArray(Decoration[]::new)[0]) : Either.left(List.copyOf(set))
).optionalFieldOf("steps", EnumSet.allOf(Decoration.class)).forGetter(RemoveFeaturesBiomeModifier::steps)
).apply(builder, RemoveFeaturesBiomeModifier::new))
);
/**
* Stock biome modifier for adding mob spawns to biomes.
*/
public static final RegistryObject<Codec<AddSpawnsBiomeModifier>> ADD_SPAWNS_BIOME_MODIFIER_TYPE = BIOME_MODIFIER_SERIALIZERS.register("add_spawns", () ->
RecordCodecBuilder.create(builder -> builder.group(
Biome.LIST_CODEC.fieldOf("biomes").forGetter(AddSpawnsBiomeModifier::biomes),
// Allow either a list or single spawner, attempting to decode the list format first.
// Uses the better EitherCodec that logs both errors if both formats fail to parse.
new ExtraCodecs.EitherCodec<>(SpawnerData.CODEC.listOf(), SpawnerData.CODEC).xmap(
either -> either.map(Function.identity(), List::of), // convert list/singleton to list when decoding
list -> list.size() == 1 ? Either.right(list.get(0)) : Either.left(list) // convert list to singleton/list when encoding
).fieldOf("spawners").forGetter(AddSpawnsBiomeModifier::spawners)
).apply(builder, AddSpawnsBiomeModifier::new))
);
/**
* Stock biome modifier for removing mob spawns from biomes.
*/
public static final RegistryObject<Codec<RemoveSpawnsBiomeModifier>> REMOVE_SPAWNS_BIOME_MODIFIER_TYPE = BIOME_MODIFIER_SERIALIZERS.register("remove_spawns", () ->
RecordCodecBuilder.create(builder -> builder.group(
Biome.LIST_CODEC.fieldOf("biomes").forGetter(RemoveSpawnsBiomeModifier::biomes),
RegistryCodecs.homogeneousList(ForgeRegistries.Keys.ENTITY_TYPES).fieldOf("entity_types").forGetter(RemoveSpawnsBiomeModifier::entityTypes)
).apply(builder, RemoveSpawnsBiomeModifier::new))
);
