24 lines
1.1 KiB
Java
24 lines
1.1 KiB
Java
package net.minecraft.world.level.levelgen.heightproviders;
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import com.mojang.datafixers.util.Either;
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import com.mojang.serialization.Codec;
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import net.minecraft.core.registries.BuiltInRegistries;
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import net.minecraft.util.RandomSource;
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import net.minecraft.world.level.levelgen.VerticalAnchor;
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import net.minecraft.world.level.levelgen.WorldGenerationContext;
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public abstract class HeightProvider {
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private static final Codec<Either<VerticalAnchor, HeightProvider>> CONSTANT_OR_DISPATCH_CODEC = Codec.either(
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VerticalAnchor.CODEC, BuiltInRegistries.HEIGHT_PROVIDER_TYPE.byNameCodec().dispatch(HeightProvider::getType, HeightProviderType::codec)
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);
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public static final Codec<HeightProvider> CODEC = CONSTANT_OR_DISPATCH_CODEC.xmap(
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either -> either.map(ConstantHeight::of, heightProvider -> heightProvider),
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heightProvider -> heightProvider.getType() == HeightProviderType.CONSTANT
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? Either.left(((ConstantHeight)heightProvider).getValue())
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: Either.right(heightProvider)
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);
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public abstract int sample(RandomSource random, WorldGenerationContext context);
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public abstract HeightProviderType<?> getType();
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}
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