48 lines
2.1 KiB
Java
48 lines
2.1 KiB
Java
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package net.minecraft.world.level.levelgen.feature.stateproviders;
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import com.mojang.datafixers.Products.P4;
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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 com.mojang.serialization.codecs.RecordCodecBuilder.Mu;
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import java.util.List;
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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.util.Mth;
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import net.minecraft.util.RandomSource;
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import net.minecraft.world.level.block.state.BlockState;
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import net.minecraft.world.level.levelgen.synth.NormalNoise;
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public class NoiseProvider extends NoiseBasedStateProvider {
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public static final MapCodec<NoiseProvider> CODEC = RecordCodecBuilder.mapCodec(p_191462_ -> noiseProviderCodec(p_191462_).apply(p_191462_, NoiseProvider::new));
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protected final List<BlockState> states;
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protected static <P extends NoiseProvider> P4<Mu<P>, Long, NormalNoise.NoiseParameters, Float, List<BlockState>> noiseProviderCodec(Instance<P> p_191460_) {
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return noiseCodec(p_191460_).and(ExtraCodecs.nonEmptyList(BlockState.CODEC.listOf()).fieldOf("states").forGetter(p_191448_ -> p_191448_.states));
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}
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public NoiseProvider(long p_191442_, NormalNoise.NoiseParameters p_191443_, float p_191444_, List<BlockState> p_191445_) {
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super(p_191442_, p_191443_, p_191444_);
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this.states = p_191445_;
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}
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@Override
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protected BlockStateProviderType<?> type() {
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return BlockStateProviderType.NOISE_PROVIDER;
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}
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@Override
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public BlockState getState(RandomSource p_225913_, BlockPos p_225914_) {
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return this.getRandomState(this.states, p_225914_, this.scale);
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}
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protected BlockState getRandomState(List<BlockState> p_191453_, BlockPos p_191454_, double p_191455_) {
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double d0 = this.getNoiseValue(p_191454_, p_191455_);
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return this.getRandomState(p_191453_, d0);
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}
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protected BlockState getRandomState(List<BlockState> p_191450_, double p_191451_) {
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double d0 = Mth.clamp((1.0 + p_191451_) / 2.0, 0.0, 0.9999);
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return p_191450_.get((int)(d0 * p_191450_.size()));
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}
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}
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