43 lines
1.6 KiB
Java
43 lines
1.6 KiB
Java
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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 com.mojang.serialization.codecs.RecordCodecBuilder.Instance;
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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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p_48244_ -> p_48244_.group(
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Biome.LIST_CODEC.fieldOf("biomes").forGetter(p_204246_ -> p_204246_.allowedBiomes),
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Codec.intRange(0, 62).fieldOf("scale").orElse(2).forGetter(p_151788_ -> p_151788_.size)
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)
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.apply(p_48244_, 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> p_204243_, int p_204244_) {
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this.allowedBiomes = p_204243_;
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this.bitShift = p_204244_ + 2;
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this.size = p_204244_;
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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 p_204248_, int p_204249_, int p_204250_, Climate.Sampler p_204251_) {
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return this.allowedBiomes.get(Math.floorMod((p_204248_ >> this.bitShift) + (p_204250_ >> this.bitShift), this.allowedBiomes.size()));
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}
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}
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