DistanceSCurveAsset.java

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

import com.hypixel.hytale.builtin.hytalegenerator.framework.math.InterpolatedCurve;
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 DistanceSCurveAsset extends CurveAsset {
   public static final BuilderCodec<DistanceSCurveAsset> CODEC;
   private double exponentA = 1.0;
   private double exponentB = 1.0;
   private double range = 1.0;
   private double transition = 1.0;
   private double transitionSmooth = 1.0;

   public DistanceSCurveAsset() {
   }

   @Nonnull
   public Double2DoubleFunction build() {
      Double2DoubleFunction functionA = (in) -> {
         if (in >= this.range) {
            return 0.0;
         } else {
            in /= this.range;
            in *= -1.0;
            ++in;
            return Math.pow(in, this.exponentA);
         }
      };
      Double2DoubleFunction functionB = (in) -> {
         if (in >= this.range) {
            return 0.0;
         } else {
            in /= this.range;
            in *= -1.0;
            ++in;
            return Math.pow(in, this.exponentB);
         }
      };
      double transitionDistance = this.transition * this.range;
      double positionA = this.range / 2.0 - transitionDistance / 2.0;
      double positionB = positionA + transitionDistance;
      return new InterpolatedCurve(positionA, positionB, this.transitionSmooth, functionA, functionB);
   }

   public void cleanUp() {
   }

   static {
      CODEC = ((BuilderCodec.Builder)((BuilderCodec.Builder)((BuilderCodec.Builder)((BuilderCodec.Builder)((BuilderCodec.Builder)BuilderCodec.builder(DistanceSCurveAsset.class, DistanceSCurveAsset::new, CurveAsset.ABSTRACT_CODEC).append(new KeyedCodec("ExponentA", Codec.DOUBLE, true), (t, k) -> t.exponentA = k, (k) -> k.exponentA).addValidator(Validators.greaterThanOrEqual(0.0)).add()).append(new KeyedCodec("ExponentB", Codec.DOUBLE, true), (t, k) -> t.exponentB = k, (k) -> k.exponentB).addValidator(Validators.greaterThanOrEqual(0.0)).add()).append(new KeyedCodec("Transition", Codec.DOUBLE, false), (t, k) -> t.transition = k, (k) -> k.transition).addValidator(Validators.range(0.0, 1.0)).add()).append(new KeyedCodec("Range", Codec.DOUBLE, true), (t, k) -> t.range = k, (k) -> k.range).addValidator(Validators.greaterThanOrEqual(0.0)).add()).append(new KeyedCodec("TransitionSmooth", Codec.DOUBLE, false), (t, k) -> t.transitionSmooth = k, (k) -> k.transitionSmooth).addValidator(Validators.range(0.0, 1.0)).add()).build();
   }
}