SmoothClampCurveAsset.java

package com.hypixel.hytale.builtin.hytalegenerator.assets.curves;

import com.hypixel.hytale.builtin.hytalegenerator.framework.math.Calculator;
import com.hypixel.hytale.codec.Codec;
import com.hypixel.hytale.codec.KeyedCodec;
import com.hypixel.hytale.codec.builder.BuilderCodec;
import com.hypixel.hytale.codec.validation.Validators;
import it.unimi.dsi.fastutil.doubles.Double2DoubleFunction;
import javax.annotation.Nonnull;

public class SmoothClampCurveAsset extends CurveAsset {
   public static final BuilderCodec<SmoothClampCurveAsset> CODEC;
   private CurveAsset curveAsset = new ConstantCurveAsset();
   private double wallA = 1.0;
   private double wallB = -1.0;
   private double range = 0.0;

   public SmoothClampCurveAsset() {
   }

   @Nonnull
   public Double2DoubleFunction build() {
      double defaultValue = (this.wallA + this.wallB) / 2.0;
      if (this.curveAsset == null) {
         return (in) -> defaultValue;
      } else {
         double min = Math.min(this.wallA, this.wallB);
         double max = Math.max(this.wallA, this.wallB);
         Double2DoubleFunction inputCurve = this.curveAsset.build();
         return this.range == 0.0 ? (in) -> Calculator.clamp(this.wallA, inputCurve.applyAsDouble(in), this.wallB) : (in) -> {
            double value = inputCurve.applyAsDouble(in);
            double smoothedMax = Calculator.smoothMax(this.range, min, value);
            double smoothedMin = Calculator.smoothMin(this.range, max, value);
            return (smoothedMin + smoothedMax) / 2.0;
         };
      }
   }

   public void cleanUp() {
      this.curveAsset.cleanUp();
   }

   static {
      CODEC = ((BuilderCodec.Builder)((BuilderCodec.Builder)((BuilderCodec.Builder)((BuilderCodec.Builder)BuilderCodec.builder(SmoothClampCurveAsset.class, SmoothClampCurveAsset::new, CurveAsset.ABSTRACT_CODEC).append(new KeyedCodec("Curve", CurveAsset.CODEC, false), (t, k) -> t.curveAsset = k, (k) -> k.curveAsset).add()).append(new KeyedCodec("WallA", Codec.DOUBLE, false), (t, k) -> t.wallA = k, (k) -> k.wallA).add()).append(new KeyedCodec("WallB", Codec.DOUBLE, false), (t, k) -> t.wallB = k, (k) -> k.wallB).add()).append(new KeyedCodec("Range", Codec.DOUBLE, false), (t, k) -> t.range = k, (k) -> k.range).addValidator(Validators.greaterThanOrEqual(0.0)).add()).build();
   }
}