81 lines
2.7 KiB
Java
81 lines
2.7 KiB
Java
package net.minecraft.world.level.biome;
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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.HolderGetter;
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import net.minecraft.core.QuartPos;
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import net.minecraft.core.SectionPos;
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import net.minecraft.resources.RegistryOps;
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import net.minecraft.world.level.biome.Climate.Sampler;
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import net.minecraft.world.level.levelgen.DensityFunction;
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public class TheEndBiomeSource extends BiomeSource {
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public static final MapCodec<TheEndBiomeSource> CODEC = RecordCodecBuilder.mapCodec(
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instance -> instance.group(
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RegistryOps.retrieveElement(Biomes.THE_END),
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RegistryOps.retrieveElement(Biomes.END_HIGHLANDS),
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RegistryOps.retrieveElement(Biomes.END_MIDLANDS),
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RegistryOps.retrieveElement(Biomes.SMALL_END_ISLANDS),
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RegistryOps.retrieveElement(Biomes.END_BARRENS)
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)
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.apply(instance, instance.stable(TheEndBiomeSource::new))
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);
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private final Holder<Biome> end;
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private final Holder<Biome> highlands;
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private final Holder<Biome> midlands;
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private final Holder<Biome> islands;
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private final Holder<Biome> barrens;
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public static TheEndBiomeSource create(HolderGetter<Biome> biomeGetter) {
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return new TheEndBiomeSource(
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biomeGetter.getOrThrow(Biomes.THE_END),
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biomeGetter.getOrThrow(Biomes.END_HIGHLANDS),
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biomeGetter.getOrThrow(Biomes.END_MIDLANDS),
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biomeGetter.getOrThrow(Biomes.SMALL_END_ISLANDS),
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biomeGetter.getOrThrow(Biomes.END_BARRENS)
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);
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}
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private TheEndBiomeSource(Holder<Biome> end, Holder<Biome> highlands, Holder<Biome> midlands, Holder<Biome> islands, Holder<Biome> barrens) {
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this.end = end;
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this.highlands = highlands;
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this.midlands = midlands;
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this.islands = islands;
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this.barrens = barrens;
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}
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@Override
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protected Stream<Holder<Biome>> collectPossibleBiomes() {
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return Stream.of(this.end, this.highlands, this.midlands, this.islands, this.barrens);
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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, Sampler sampler) {
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int l = QuartPos.toBlock(i);
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int m = QuartPos.toBlock(j);
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int n = QuartPos.toBlock(k);
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int o = SectionPos.blockToSectionCoord(l);
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int p = SectionPos.blockToSectionCoord(n);
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if ((long)o * o + (long)p * p <= 4096L) {
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return this.end;
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} else {
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int q = (SectionPos.blockToSectionCoord(l) * 2 + 1) * 8;
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int r = (SectionPos.blockToSectionCoord(n) * 2 + 1) * 8;
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double d = sampler.erosion().compute(new DensityFunction.SinglePointContext(q, m, r));
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if (d > 0.25) {
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return this.highlands;
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} else if (d >= -0.0625) {
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return this.midlands;
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} else {
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return d < -0.21875 ? this.islands : this.barrens;
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}
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}
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}
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}
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