BCLib/src/main/java/ru/bclib/world/features/BCLFeature.java
2022-03-17 17:05:59 +01:00

91 lines
3.4 KiB
Java

package ru.bclib.world.features;
import net.minecraft.core.Holder;
import net.minecraft.core.Registry;
import net.minecraft.data.BuiltinRegistries;
import net.minecraft.data.worldgen.features.FeatureUtils;
import net.minecraft.data.worldgen.placement.PlacementUtils;
import net.minecraft.resources.ResourceKey;
import net.minecraft.resources.ResourceLocation;
import net.minecraft.world.level.levelgen.GenerationStep.Decoration;
import net.minecraft.world.level.levelgen.feature.ConfiguredFeature;
import net.minecraft.world.level.levelgen.feature.Feature;
import net.minecraft.world.level.levelgen.feature.configurations.FeatureConfiguration;
import net.minecraft.world.level.levelgen.placement.PlacedFeature;
import net.minecraft.world.level.levelgen.placement.PlacementModifier;
import java.util.Map.Entry;
import java.util.Optional;
public class BCLFeature {
private final Holder<PlacedFeature> placedFeature;
private final Decoration featureStep;
private final Feature<?> feature;
public<FC extends FeatureConfiguration, F extends Feature<FC>> BCLFeature(ResourceLocation id, F feature, Decoration featureStep, FC configuration, PlacementModifier[] modifiers) {
this(id, feature, featureStep, buildPlacedFeature(id, feature, configuration, modifiers));
}
public BCLFeature(ResourceLocation id, Feature<?> feature, Decoration featureStep, Holder<PlacedFeature> placedFeature) {
this.placedFeature = placedFeature;
this.featureStep = featureStep;
this.feature = feature;
if (!BuiltinRegistries.PLACED_FEATURE.containsKey(id)) {
Registry.register(BuiltinRegistries.PLACED_FEATURE, id, placedFeature.value());
}
if (!Registry.FEATURE.containsKey(id) && !containsObj(Registry.FEATURE, feature)) {
Registry.register(Registry.FEATURE, id, feature);
}
}
private static <FC extends FeatureConfiguration, F extends Feature<FC>> Holder<PlacedFeature> buildPlacedFeature(ResourceLocation id, F feature, FC configuration, PlacementModifier[] modifiers) {
Holder<ConfiguredFeature<?, ?>> configuredFeature;
//TODO: 1.18.2 Check if this cast is working
if (!BuiltinRegistries.CONFIGURED_FEATURE.containsKey(id)) {
configuredFeature = (Holder<ConfiguredFeature<?, ?>>)(Object)FeatureUtils.register(id.toString(), feature, configuration);
} else {
configuredFeature = BuiltinRegistries.CONFIGURED_FEATURE.getHolder(ResourceKey.create(BuiltinRegistries.CONFIGURED_FEATURE.key(), id)).orElseThrow();
}
if (!BuiltinRegistries.PLACED_FEATURE.containsKey(id)) {
return PlacementUtils.register(id.toString(), configuredFeature, modifiers);
} else {
return BuiltinRegistries.PLACED_FEATURE.getHolder(ResourceKey.create(BuiltinRegistries.PLACED_FEATURE.key(), id)).orElseThrow();
}
}
private static <E> boolean containsObj(Registry<E> registry, E obj) {
Optional<Entry<ResourceKey<E>, E>> optional = registry
.entrySet()
.stream()
.filter(entry -> entry.getValue() == obj)
.findAny();
return optional.isPresent();
}
/**
* Get raw feature.
* @return {@link Feature}.
*/
public Feature<?> getFeature() {
return feature;
}
/**
* Get configured feature.
* @return {@link PlacedFeature}.
*/
public Holder<PlacedFeature> getPlacedFeature() {
return placedFeature;
}
/**
* Get feature decoration step.
* @return {@link Decoration}.
*/
public Decoration getDecoration() {
return featureStep;
}
}