37 lines
1.8 KiB
Java
37 lines
1.8 KiB
Java
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package net.minecraft.world.level.levelgen.feature.stateproviders;
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import com.mojang.datafixers.Products.P3;
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import com.mojang.serialization.Codec;
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import com.mojang.serialization.codecs.RecordCodecBuilder.Instance;
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import com.mojang.serialization.codecs.RecordCodecBuilder.Mu;
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import net.minecraft.core.BlockPos;
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import net.minecraft.util.ExtraCodecs;
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import net.minecraft.world.level.levelgen.LegacyRandomSource;
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import net.minecraft.world.level.levelgen.WorldgenRandom;
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import net.minecraft.world.level.levelgen.synth.NormalNoise;
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public abstract class NoiseBasedStateProvider extends BlockStateProvider {
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protected final long seed;
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protected final NormalNoise.NoiseParameters parameters;
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protected final float scale;
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protected final NormalNoise noise;
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protected static <P extends NoiseBasedStateProvider> P3<Mu<P>, Long, NormalNoise.NoiseParameters, Float> noiseCodec(Instance<P> p_191426_) {
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return p_191426_.group(
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Codec.LONG.fieldOf("seed").forGetter(p_191435_ -> p_191435_.seed),
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NormalNoise.NoiseParameters.DIRECT_CODEC.fieldOf("noise").forGetter(p_191433_ -> p_191433_.parameters),
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ExtraCodecs.POSITIVE_FLOAT.fieldOf("scale").forGetter(p_191428_ -> p_191428_.scale)
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);
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}
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protected NoiseBasedStateProvider(long p_191422_, NormalNoise.NoiseParameters p_191423_, float p_191424_) {
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this.seed = p_191422_;
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this.parameters = p_191423_;
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this.scale = p_191424_;
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this.noise = NormalNoise.create(new WorldgenRandom(new LegacyRandomSource(p_191422_)), p_191423_);
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}
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protected double getNoiseValue(BlockPos p_191430_, double p_191431_) {
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return this.noise.getValue(p_191430_.getX() * p_191431_, p_191430_.getY() * p_191431_, p_191430_.getZ() * p_191431_);
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}
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}
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