DoubleThreshold.java

package com.hypixel.hytale.procedurallib.condition;

import java.util.Arrays;
import javax.annotation.Nonnull;

public class DoubleThreshold {
   public DoubleThreshold() {
   }

   public static class Single implements IDoubleThreshold {
      protected final double min;
      protected final double max;
      protected final double halfRange;

      public Single(double min, double max) {
         this.min = min;
         this.max = max;
         this.halfRange = (max - min) * 0.5;
      }

      public boolean eval(double d) {
         return this.min <= d && d <= this.max;
      }

      public boolean eval(double d, double factor) {
         double t0 = this.min + this.halfRange * factor;
         double t1 = this.max - this.halfRange * factor;
         return t0 <= d && d <= t1;
      }

      @Nonnull
      public String toString() {
         return "DoubleThreshold.Single{min=" + this.min + ", max=" + this.max + ", halfRange=" + this.halfRange + "}";
      }
   }

   public static class Multiple implements IDoubleThreshold {
      protected final Single[] singles;

      public Multiple(Single[] singles) {
         this.singles = singles;
      }

      public boolean eval(double d) {
         for(Single single : this.singles) {
            if (single.eval(d)) {
               return true;
            }
         }

         return false;
      }

      public boolean eval(double d, double factor) {
         for(Single single : this.singles) {
            if (single.eval(d, factor)) {
               return true;
            }
         }

         return false;
      }

      @Nonnull
      public String toString() {
         return "DoubleThreshold.Multiple{singles=" + Arrays.toString(this.singles) + "}";
      }
   }
}