DistanceExponentialCurveAsset.java

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

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 DistanceExponentialCurveAsset extends CurveAsset {
   public static final BuilderCodec<DistanceExponentialCurveAsset> CODEC;
   private double exponent = 1.0;
   private double range = 1.0;

   public DistanceExponentialCurveAsset() {
   }

   @Nonnull
   public Double2DoubleFunction build() {
      return (in) -> {
         if (in < 0.0) {
            return 1.0;
         } else if (in > this.range) {
            return 0.0;
         } else {
            in /= this.range;
            in *= -1.0;
            ++in;
            return Math.pow(in, this.exponent);
         }
      };
   }

   public void cleanUp() {
   }

   static {
      CODEC = ((BuilderCodec.Builder)((BuilderCodec.Builder)BuilderCodec.builder(DistanceExponentialCurveAsset.class, DistanceExponentialCurveAsset::new, CurveAsset.ABSTRACT_CODEC).append(new KeyedCodec("Exponent", Codec.DOUBLE, true), (t, k) -> t.exponent = k, (k) -> k.exponent).addValidator(Validators.greaterThanOrEqual(0.0)).add()).append(new KeyedCodec("Range", Codec.DOUBLE, true), (t, k) -> t.range = k, (k) -> k.range).addValidator(Validators.greaterThanOrEqual(0.0)).add()).build();
   }
}