71 lines
3.1 KiB
Java
71 lines
3.1 KiB
Java
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package net.minecraft.world.level.levelgen.feature.stateproviders;
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import com.google.common.collect.Lists;
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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.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.InclusiveRange;
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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.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 class DualNoiseProvider extends NoiseProvider {
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public static final MapCodec<DualNoiseProvider> CODEC = RecordCodecBuilder.mapCodec(
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p_191414_ -> p_191414_.group(
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InclusiveRange.codec(Codec.INT, 1, 64).fieldOf("variety").forGetter(p_191416_ -> p_191416_.variety),
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NormalNoise.NoiseParameters.DIRECT_CODEC.fieldOf("slow_noise").forGetter(p_191412_ -> p_191412_.slowNoiseParameters),
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ExtraCodecs.POSITIVE_FLOAT.fieldOf("slow_scale").forGetter(p_191405_ -> p_191405_.slowScale)
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)
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.and(noiseProviderCodec(p_191414_))
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.apply(p_191414_, DualNoiseProvider::new)
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);
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private final InclusiveRange<Integer> variety;
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private final NormalNoise.NoiseParameters slowNoiseParameters;
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private final float slowScale;
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private final NormalNoise slowNoise;
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public DualNoiseProvider(
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InclusiveRange<Integer> p_191396_,
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NormalNoise.NoiseParameters p_191397_,
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float p_191398_,
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long p_191399_,
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NormalNoise.NoiseParameters p_191400_,
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float p_191401_,
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List<BlockState> p_191402_
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) {
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super(p_191399_, p_191400_, p_191401_, p_191402_);
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this.variety = p_191396_;
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this.slowNoiseParameters = p_191397_;
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this.slowScale = p_191398_;
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this.slowNoise = NormalNoise.create(new WorldgenRandom(new LegacyRandomSource(p_191399_)), p_191397_);
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}
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@Override
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protected BlockStateProviderType<?> type() {
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return BlockStateProviderType.DUAL_NOISE_PROVIDER;
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}
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@Override
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public BlockState getState(RandomSource p_225910_, BlockPos p_225911_) {
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double d0 = this.getSlowNoiseValue(p_225911_);
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int i = (int)Mth.clampedMap(d0, -1.0, 1.0, this.variety.minInclusive().intValue(), this.variety.maxInclusive() + 1);
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List<BlockState> list = Lists.newArrayListWithCapacity(i);
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for (int j = 0; j < i; j++) {
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list.add(this.getRandomState(this.states, this.getSlowNoiseValue(p_225911_.offset(j * 54545, 0, j * 34234))));
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}
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return this.getRandomState(list, p_225911_, this.scale);
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}
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protected double getSlowNoiseValue(BlockPos p_191407_) {
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return this.slowNoise.getValue(p_191407_.getX() * this.slowScale, p_191407_.getY() * this.slowScale, p_191407_.getZ() * this.slowScale);
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}
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}
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