MyDimension

package com.xfestudio.mydimension.world;

import com.mojang.serialization.Codec;
import com.mojang.serialization.codecs.RecordCodecBuilder;
import java.util.stream.Stream;
import net.minecraft.core.Holder;
import net.minecraft.core.HolderLookup;
import net.minecraft.world.level.biome.BiomeSource;
import net.minecraft.world.level.chunk.ChunkGenerator;
import net.minecraft.world.level.chunk.ChunkGeneratorStructureState;
import net.minecraft.world.level.levelgen.NoiseBasedChunkGenerator;
import net.minecraft.world.level.levelgen.NoiseGeneratorSettings;
import net.minecraft.world.level.levelgen.RandomState;
import net.minecraft.world.level.levelgen.structure.StructureSet;

public class NoStructureNoiseChunkGenerator extends NoiseBasedChunkGenerator {
    public static final Codec<NoStructureNoiseChunkGenerator> CODEC = RecordCodecBuilder.create(instance -> instance.group(
            BiomeSource.CODEC.fieldOf("biome_source").forGetter(generator -> generator.biomeSource),
            NoiseGeneratorSettings.CODEC.fieldOf("settings").forGetter(NoStructureNoiseChunkGenerator::generatorSettings)
    ).apply(instance, instance.stable(NoStructureNoiseChunkGenerator::new)));

    public NoStructureNoiseChunkGenerator(BiomeSource biomeSource, Holder<NoiseGeneratorSettings> settings) {
        super(biomeSource, settings);
    }

    @Override
    protected Codec<? extends ChunkGenerator> codec() {
        return CODEC;
    }

    @Override
    public ChunkGeneratorStructureState createState(HolderLookup<StructureSet> structureSets, RandomState randomState, long seed) {
        return ChunkGeneratorStructureState.createForFlat(randomState, seed, this.biomeSource, Stream.empty());
    }
}