42 lines
1.5 KiB
Java
42 lines
1.5 KiB
Java
package net.minecraft.world.level.biome;
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import com.mojang.serialization.Codec;
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import com.mojang.serialization.MapCodec;
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import com.mojang.serialization.codecs.RecordCodecBuilder;
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import java.util.stream.Stream;
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import net.minecraft.core.Holder;
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import net.minecraft.core.HolderSet;
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public class CheckerboardColumnBiomeSource extends BiomeSource {
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public static final MapCodec<CheckerboardColumnBiomeSource> CODEC = RecordCodecBuilder.mapCodec(
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instance -> instance.group(
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Biome.LIST_CODEC.fieldOf("biomes").forGetter(checkerboardColumnBiomeSource -> checkerboardColumnBiomeSource.allowedBiomes),
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Codec.intRange(0, 62).fieldOf("scale").orElse(2).forGetter(checkerboardColumnBiomeSource -> checkerboardColumnBiomeSource.size)
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)
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.apply(instance, CheckerboardColumnBiomeSource::new)
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);
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private final HolderSet<Biome> allowedBiomes;
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private final int bitShift;
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private final int size;
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public CheckerboardColumnBiomeSource(HolderSet<Biome> allowedBiomes, int size) {
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this.allowedBiomes = allowedBiomes;
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this.bitShift = size + 2;
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this.size = size;
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}
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@Override
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protected Stream<Holder<Biome>> collectPossibleBiomes() {
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return this.allowedBiomes.stream();
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}
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@Override
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protected MapCodec<? extends BiomeSource> codec() {
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return CODEC;
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}
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@Override
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public Holder<Biome> getNoiseBiome(int i, int j, int k, Climate.Sampler sampler) {
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return this.allowedBiomes.get(Math.floorMod((i >> this.bitShift) + (k >> this.bitShift), this.allowedBiomes.size()));
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}
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}
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