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Ported old noise generator for double-block biomes

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Frank 2021-12-09 00:12:13 +01:00
parent 45a24d4f8e
commit 8db15979a0
2 changed files with 36 additions and 1 deletions
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34
src/main/java/ru/bclib/world/surface/DoubleBlockSurfaceNoiseCondition.java Normal file
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package ru.bclib.world.surface;
import ru.bclib.api.biomes.SurfaceNoiseCondition;
import ru.bclib.mixin.common.SurfaceRulesContextAccessor;
import ru.bclib.noise.OpenSimplexNoise;
import ru.bclib.util.MHelper;
public class DoubleBlockSurfaceNoiseCondition extends SurfaceNoiseCondition {
public static final DoubleBlockSurfaceNoiseCondition CONDITION = new DoubleBlockSurfaceNoiseCondition(0);
private static final OpenSimplexNoise NOISE = new OpenSimplexNoise(4141);
private final double threshold;
public DoubleBlockSurfaceNoiseCondition(double threshold){
this.threshold = threshold;
}
private static int lastX = Integer.MIN_VALUE;
private static int lastZ = Integer.MIN_VALUE;
private static double lastValue = 0;
@Override
public boolean test(SurfaceRulesContextAccessor context) {
final int x = context.getBlockX();
final int z = context.getBlockZ();
if (lastX==x && lastZ==z) return lastValue > threshold;
double value = NOISE.eval(x * 0.1, z * 0.1) + MHelper.randRange(-0.4, 0.4, MHelper.RANDOM);
lastX=x;
lastZ=z;
lastValue=value;
return value > threshold;
}
}