minecraft-src/net/minecraft/world/level/biome/BiomeGenerationSettings.java
2025-07-04 02:49:36 +03:00

128 lines
4.9 KiB
Java

package net.minecraft.world.level.biome;
import com.google.common.base.Suppliers;
import com.google.common.collect.ImmutableList;
import com.google.common.collect.Lists;
import com.mojang.logging.LogUtils;
import com.mojang.serialization.MapCodec;
import com.mojang.serialization.codecs.RecordCodecBuilder;
import java.util.ArrayList;
import java.util.List;
import java.util.Set;
import java.util.function.Supplier;
import java.util.stream.Collectors;
import net.minecraft.Util;
import net.minecraft.core.Holder;
import net.minecraft.core.HolderGetter;
import net.minecraft.core.HolderSet;
import net.minecraft.resources.ResourceKey;
import net.minecraft.world.level.levelgen.GenerationStep;
import net.minecraft.world.level.levelgen.carver.ConfiguredWorldCarver;
import net.minecraft.world.level.levelgen.feature.ConfiguredFeature;
import net.minecraft.world.level.levelgen.feature.Feature;
import net.minecraft.world.level.levelgen.placement.PlacedFeature;
import org.slf4j.Logger;
public class BiomeGenerationSettings {
private static final Logger LOGGER = LogUtils.getLogger();
public static final BiomeGenerationSettings EMPTY = new BiomeGenerationSettings(HolderSet.direct(), List.of());
public static final MapCodec<BiomeGenerationSettings> CODEC = RecordCodecBuilder.mapCodec(
instance -> instance.group(
ConfiguredWorldCarver.LIST_CODEC
.promotePartial(Util.prefix("Carver: ", LOGGER::error))
.fieldOf("carvers")
.forGetter(biomeGenerationSettings -> biomeGenerationSettings.carvers),
PlacedFeature.LIST_OF_LISTS_CODEC
.promotePartial(Util.prefix("Features: ", LOGGER::error))
.fieldOf("features")
.forGetter(biomeGenerationSettings -> biomeGenerationSettings.features)
)
.apply(instance, BiomeGenerationSettings::new)
);
private final HolderSet<ConfiguredWorldCarver<?>> carvers;
private final List<HolderSet<PlacedFeature>> features;
private final Supplier<List<ConfiguredFeature<?, ?>>> flowerFeatures;
private final Supplier<Set<PlacedFeature>> featureSet;
BiomeGenerationSettings(HolderSet<ConfiguredWorldCarver<?>> carvers, List<HolderSet<PlacedFeature>> features) {
this.carvers = carvers;
this.features = features;
this.flowerFeatures = Suppliers.memoize(
() -> (List<ConfiguredFeature<?, ?>>)features.stream()
.flatMap(HolderSet::stream)
.map(Holder::value)
.flatMap(PlacedFeature::getFeatures)
.filter(configuredFeature -> configuredFeature.feature() == Feature.FLOWER)
.collect(ImmutableList.toImmutableList())
);
this.featureSet = Suppliers.memoize(() -> (Set<PlacedFeature>)features.stream().flatMap(HolderSet::stream).map(Holder::value).collect(Collectors.toSet()));
}
public Iterable<Holder<ConfiguredWorldCarver<?>>> getCarvers() {
return this.carvers;
}
public List<ConfiguredFeature<?, ?>> getFlowerFeatures() {
return (List<ConfiguredFeature<?, ?>>)this.flowerFeatures.get();
}
public List<HolderSet<PlacedFeature>> features() {
return this.features;
}
public boolean hasFeature(PlacedFeature feature) {
return ((Set)this.featureSet.get()).contains(feature);
}
public static class Builder extends BiomeGenerationSettings.PlainBuilder {
private final HolderGetter<PlacedFeature> placedFeatures;
private final HolderGetter<ConfiguredWorldCarver<?>> worldCarvers;
public Builder(HolderGetter<PlacedFeature> placedFeatures, HolderGetter<ConfiguredWorldCarver<?>> worldCarvers) {
this.placedFeatures = placedFeatures;
this.worldCarvers = worldCarvers;
}
public BiomeGenerationSettings.Builder addFeature(GenerationStep.Decoration decoration, ResourceKey<PlacedFeature> feature) {
this.addFeature(decoration.ordinal(), this.placedFeatures.getOrThrow(feature));
return this;
}
public BiomeGenerationSettings.Builder addCarver(ResourceKey<ConfiguredWorldCarver<?>> carver) {
this.addCarver(this.worldCarvers.getOrThrow(carver));
return this;
}
}
public static class PlainBuilder {
private final List<Holder<ConfiguredWorldCarver<?>>> carvers = new ArrayList();
private final List<List<Holder<PlacedFeature>>> features = new ArrayList();
public BiomeGenerationSettings.PlainBuilder addFeature(GenerationStep.Decoration decoration, Holder<PlacedFeature> feature) {
return this.addFeature(decoration.ordinal(), feature);
}
public BiomeGenerationSettings.PlainBuilder addFeature(int step, Holder<PlacedFeature> feature) {
this.addFeatureStepsUpTo(step);
((List)this.features.get(step)).add(feature);
return this;
}
public BiomeGenerationSettings.PlainBuilder addCarver(Holder<ConfiguredWorldCarver<?>> carver) {
this.carvers.add(carver);
return this;
}
private void addFeatureStepsUpTo(int step) {
while (this.features.size() <= step) {
this.features.add(Lists.newArrayList());
}
}
public BiomeGenerationSettings build() {
return new BiomeGenerationSettings(
HolderSet.direct(this.carvers), (List<HolderSet<PlacedFeature>>)this.features.stream().map(HolderSet::direct).collect(ImmutableList.toImmutableList())
);
}
}
}