BetterEnd/src/main/java/ru/betterend/world/surface/SulphuricSurfaceNoiseCondition.java

36 lines
1.1 KiB
Java

package ru.betterend.world.surface;
import ru.bclib.api.biomes.SurfaceNoiseCondition;
import ru.bclib.mixin.common.SurfaceRulesContextAccessor;
import ru.bclib.util.MHelper;
import ru.betterend.noise.OpenSimplexNoise;
public class SulphuricSurfaceNoiseCondition extends SurfaceNoiseCondition {
private static final OpenSimplexNoise NOISE = new OpenSimplexNoise(5123);
private final double threshold;
public SulphuricSurfaceNoiseCondition(double threshold){
this.threshold = threshold;
}
private int lastX = Integer.MIN_VALUE;
private int lastZ = Integer.MIN_VALUE;
private 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 * 0.03, z * 0.03) + NOISE.eval(x * 0.1, z * 0.1) * 0.3 + MHelper.randRange(
-0.1,
0.1,
MHelper.RANDOM
);
lastX=x;
lastZ=z;
lastValue=value;
return value < threshold;
}
}