29 lines
910 B
Java
29 lines
910 B
Java
package ru.betterend.world.surface;
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import ru.bclib.interfaces.NumericProvider;
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import ru.bclib.mixin.common.SurfaceRulesContextAccessor;
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import ru.bclib.util.MHelper;
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import ru.betterend.noise.OpenSimplexNoise;
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/**
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* Noise source that returns a value in [0, 4]
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*/
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public class UmbraSurfaceNoiseCondition implements NumericProvider {
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private static final OpenSimplexNoise NOISE = new OpenSimplexNoise(1512);
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@Override
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public int getNumber(SurfaceRulesContextAccessor context) {
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final int x = context.getBlockX();
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final int z = context.getBlockZ();
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return getDepth(x, z);
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}
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public static int getDepth(int x, int z) {
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final double value = NOISE.eval(x * 0.03, z * 0.03) + NOISE.eval(x * 0.1, z * 0.1) * 0.3 + MHelper.randRange(-0.1, 0.1, MHelper.RANDOM);
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if (value > 0.4) return 0;
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if (value > 0.15) return 1;
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if (value > -0.15) return 2;
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if (value > -0.4) return 3;
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return 4;
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}
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}
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