class="kw">package com.hypixel.hytale.procedurallib.logic;

class="kw">import com.hypixel.hytale.procedurallib.NoiseFunction;
class="kw">import javax.annotation.Nonnull;

class="kw">public class PerlinNoise class="kw">implements NoiseFunction {
   class="kw">protected class="kw">final GeneralNoise.InterpolationFunction interpolationFunction;

   class="kw">public PerlinNoise(GeneralNoise.InterpolationFunction var1) {
      this.interpolationFunction = var1;
   }

   class="kw">public GeneralNoise.InterpolationFunction getInterpolationFunction() {
      class="kw">return this.interpolationFunction;
   }

   @Override
   class="kw">public double get(int var1, int var2, double var3, double var5) {
      int var7 = GeneralNoise.fastFloor(var3);
      int var8 = GeneralNoise.fastFloor(var5);
      int var9 = var7 + 1;
      int var10 = var8 + 1;
      double var11 = this.interpolationFunction.interpolate(var3 - var7);
      double var13 = this.interpolationFunction.interpolate(var5 - var8);
      double var15 = var3 - var7;
      double var17 = var5 - var8;
      double var19 = var15 - 1.0;
      double var21 = var17 - 1.0;
      double var23 = GeneralNoise.lerp(
         GeneralNoise.gradCoord2D(var2, var7, var8, var15, var17), GeneralNoise.gradCoord2D(var2, var9, var8, var19, var17), var11
      );
      double var25 = GeneralNoise.lerp(
         GeneralNoise.gradCoord2D(var2, var7, var10, var15, var21), GeneralNoise.gradCoord2D(var2, var9, var10, var19, var21), var11
      );
      class="kw">return GeneralNoise.lerp(var23, var25, var13);
   }

   @Override
   class="kw">public double get(int var1, int var2, double var3, double var5, double var7) {
      int var9 = GeneralNoise.fastFloor(var3);
      int var10 = GeneralNoise.fastFloor(var5);
      int var11 = GeneralNoise.fastFloor(var7);
      int var12 = var9 + 1;
      int var13 = var10 + 1;
      int var14 = var11 + 1;
      double var15 = this.interpolationFunction.interpolate(var3 - var9);
      double var17 = this.interpolationFunction.interpolate(var5 - var10);
      double var19 = this.interpolationFunction.interpolate(var7 - var11);
      double var21 = var3 - var9;
      double var23 = var5 - var10;
      double var25 = var7 - var11;
      double var27 = var21 - 1.0;
      double var29 = var23 - 1.0;
      double var31 = var25 - 1.0;
      double var33 = GeneralNoise.lerp(
         GeneralNoise.gradCoord3D(var2, var9, var10, var11, var21, var23, var25),
         GeneralNoise.gradCoord3D(var2, var12, var10, var11, var27, var23, var25),
         var15
      );
      double var35 = GeneralNoise.lerp(
         GeneralNoise.gradCoord3D(var2, var9, var13, var11, var21, var29, var25),
         GeneralNoise.gradCoord3D(var2, var12, var13, var11, var27, var29, var25),
         var15
      );
      double var37 = GeneralNoise.lerp(
         GeneralNoise.gradCoord3D(var2, var9, var10, var14, var21, var23, var31),
         GeneralNoise.gradCoord3D(var2, var12, var10, var14, var27, var23, var31),
         var15
      );
      double var39 = GeneralNoise.lerp(
         GeneralNoise.gradCoord3D(var2, var9, var13, var14, var21, var29, var31),
         GeneralNoise.gradCoord3D(var2, var12, var13, var14, var27, var29, var31),
         var15
      );
      double var41 = GeneralNoise.lerp(var33, var35, var17);
      double var43 = GeneralNoise.lerp(var37, var39, var17);
      class="kw">return GeneralNoise.lerp(var41, var43, var19);
   }

   @Nonnull
   @Override
   class="kw">public String toString() {
      class="kw">return "PerlinNoise{interpolationFunction=" + this.interpolationFunction + "}";
   }
}