66 lines
1.3 KiB
Java
66 lines
1.3 KiB
Java
package biomesoplenty.world.noise;
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import java.util.Random;
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import net.minecraft.world.gen.NoiseGenerator;
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public class NoiseOctaves extends NoiseGenerator
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{
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private NoisePerlin generatorCollection[];
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private int octaves;
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public NoiseOctaves(Random random, int i)
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{
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octaves = i;
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generatorCollection = new NoisePerlin[i];
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for (int j = 0; j < i; j++)
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{
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generatorCollection[j] = new NoisePerlin(random);
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}
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}
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public double func_806_a(double d, double d1)
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{
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double d2 = 0.0D;
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double d3 = 1.0D;
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for (int i = 0; i < octaves; i++)
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{
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d2 += generatorCollection[i].func_801_a(d * d3, d1 * d3) / d3;
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d3 /= 2D;
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}
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return d2;
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}
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public double[] generateNoiseOctaves(double ad[], double d, double d1, double d2,
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int i, int j, int k, double d3, double d4,
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double d5)
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{
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if (ad == null)
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{
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ad = new double[i * j * k];
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}
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else
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{
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for (int l = 0; l < ad.length; l++)
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{
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ad[l] = 0.0D;
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}
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}
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double d6 = 1.0D;
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for (int i1 = 0; i1 < octaves; i1++)
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{
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generatorCollection[i1].func_805_a(ad, d, d1, d2, i, j, k, d3 * d6, d4 * d6, d5 * d6, d6);
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d6 /= 2D;
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}
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return ad;
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}
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public double[] generateNoiseOctaves(double ad[], int i, int j, int k, int l, double d,
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double d1, double d2)
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{
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return generateNoiseOctaves(ad, i, 10D, j, k, 1, l, d, 1.0D, d1);
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}
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}
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