class="kw">package com.hypixel.hytale.server.core.asset.type.responsecurve.config;

class="kw">import com.hypixel.hytale.codec.Codec;
class="kw">import com.hypixel.hytale.codec.KeyedCodec;
class="kw">import com.hypixel.hytale.codec.builder.BuilderCodec;
class="kw">import com.hypixel.hytale.codec.validation.Validators;
class="kw">import com.hypixel.hytale.math.util.TrigMathUtil;
class="kw">import javax.annotation.Nonnull;

class="kw">public class SineWaveResponseCurve class="kw">extends ResponseCurve {
   class="kw">public class="kw">static class="kw">final BuilderCodec<SineWaveResponseCurve> CODEC = BuilderCodec.builder(SineWaveResponseCurve.class, SineWaveResponseCurve::new, BASE_CODEC)
      .documentation("A response curve with a sine wave shape.")
      .<Double>appendInherited(
         new KeyedCodec<>("Amplitude", Codec.DOUBLE),
         (var0, var1) -> var0.amplitude = var1,
         var0 -> var0.amplitude,
         (var0, var1) -> var0.amplitude = var1.amplitude
      )
      .documentation("The vertical distance between the horizontal axis and the max/min value of the function.")
      .add()
      .<Double>appendInherited(
         new KeyedCodec<>("Frequency", Codec.DOUBLE),
         (var0, var1) -> var0.frequency = var1,
         var0 -> var0.frequency,
         (var0, var1) -> var0.frequency = var1.frequency
      )
      .documentation("The frequency of the sine wave's repetition (e.g. set to 1, the full pattern will appear once in the 0-1 range, twice with 2, etc).")
      .add()
      .<Double>appendInherited(
         new KeyedCodec<>("HorizontalShift", Codec.DOUBLE),
         (var0, var1) -> var0.horizontalShift = var1,
         var0 -> var0.horizontalShift,
         (var0, var1) -> var0.horizontalShift = var1.horizontalShift
      )
      .documentation("The horizontal shift to apply to the curve,. This decides how far the curve is shifted left or right along the x axis.")
      .addValidator(Validators.range(-1.0, 1.0))
      .add()
      .<Double>appendInherited(
         new KeyedCodec<>("VerticalShift", Codec.DOUBLE),
         (var0, var1) -> var0.verticalShift = var1,
         var0 -> var0.verticalShift,
         (var0, var1) -> var0.verticalShift = var1.verticalShift
      )
      .documentation("The vertical shift to apply to the curve. This decides how far the curve is shifted up or down along the y axis.")
      .addValidator(Validators.range(-1.0, 1.0))
      .add()
      .build();
   class="kw">protected double amplitude = 1.0;
   class="kw">protected double frequency = 0.5;
   class="kw">protected double horizontalShift;
   class="kw">protected double verticalShift;

   class="kw">protected SineWaveResponseCurve() {
   }

   @Override
   class="kw">public double computeY(double var1) {
      if (!(var1 < 0.0) && !(var1 > 1.0)) {
         class="kw">return this.amplitude * TrigMathUtil.sin((float) (Math.PI * 2) * this.frequency * var1 + this.horizontalShift) + this.verticalShift;
      } else {
         throw new IllegalArgumentException("X must be between 0.0 and 1.0");
      }
   }

   class="kw">public double getAmplitude() {
      class="kw">return this.amplitude;
   }

   class="kw">public double getFrequency() {
      class="kw">return this.frequency;
   }

   class="kw">public double getHorizontalShift() {
      class="kw">return this.horizontalShift;
   }

   class="kw">public double getVerticalShift() {
      class="kw">return this.verticalShift;
   }

   @Nonnull
   @Override
   class="kw">public String toString() {
      class="kw">return "SineWaveResponseCurve{amplitude="
         + this.amplitude
         + ", frequency="
         + this.frequency
         + ", horizontalShift="
         + this.horizontalShift
         + ", verticalShift="
         + this.verticalShift
         + "} "
         + super.toString();
   }
}