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

class="kw">import com.hypixel.hytale.math.util.MathUtil;
class="kw">import com.hypixel.hytale.procedurallib.NoiseFunction;
class="kw">import com.hypixel.hytale.procedurallib.condition.IIntCondition;
class="kw">import com.hypixel.hytale.procedurallib.logic.cell.HexCellDistanceFunction;
class="kw">import com.hypixel.hytale.procedurallib.logic.cell.jitter.CellJitter;

class="kw">public class HexMeshNoise class="kw">implements NoiseFunction {
   class="kw">protected class="kw">final IIntCondition density;
   class="kw">protected class="kw">final double thickness;
   class="kw">protected class="kw">final double thicknessSquared;
   class="kw">protected class="kw">final CellJitter jitter;
   class="kw">protected class="kw">final boolean linesX;
   class="kw">protected class="kw">final boolean linesY;
   class="kw">protected class="kw">final boolean linesZ;

   class="kw">public HexMeshNoise(IIntCondition var1, double var2, CellJitter var4, boolean var5, boolean var6, boolean var7) {
      double var8 = HexCellDistanceFunction.DISTANCE_FUNCTION.scale(var2);
      this.density = var1;
      this.thickness = var8;
      this.thicknessSquared = var8 * var8;
      this.jitter = var4;
      this.linesX = var5;
      this.linesY = var6;
      this.linesZ = var7;
   }

   @Override
   class="kw">public double get(int var1, int var2, double var3, double var5) {
      var3 = HexCellDistanceFunction.DISTANCE_FUNCTION.scale(var3);
      var5 = HexCellDistanceFunction.DISTANCE_FUNCTION.scale(var5);
      int var7 = HexCellDistanceFunction.toGridX(var3, var5);
      int var8 = HexCellDistanceFunction.toGridY(var3, var5);
      double var9 = this.thicknessSquared;
      var9 = this.checkConnections(var2, var3, var5, var7 - 1, var8 - 1, var9);
      var9 = this.checkConnections(var2, var3, var5, var7 - 1, var8 + 0, var9);
      var9 = this.checkConnections(var2, var3, var5, var7 + 1, var8 + 0, var9);
      var9 = this.checkConnections(var2, var3, var5, var7 + 0, var8 - 1, var9);
      var9 = this.checkConnections(var2, var3, var5, var7 + 0, var8 + 1, var9);
      if (this.linesZ) {
         var9 = this.checkDiagonalConnections(var2, var3, var5, var7 + 0, var8 + 0, var9);
         var9 = this.checkDiagonalConnections(var2, var3, var5, var7 + 0, var8 - 1, var9);
         var9 = this.checkDiagonalConnections(var2, var3, var5, var7 + 0, var8 + 1, var9);
         var9 = this.checkDiagonalConnections(var2, var3, var5, var7 - 1, var8 + 0, var9);
         var9 = this.checkDiagonalConnections(var2, var3, var5, var7 - 1, var8 - 1, var9);
      }

      if (var9 < this.thicknessSquared) {
         double var11 = Math.sqrt(var9);
         double var13 = var11 / this.thickness;
         class="kw">return var13 * 2.0 - 1.0;
      } else {
         class="kw">return 1.0;
      }
   }

   @Override
   class="kw">public double get(int var1, int var2, double var3, double var5, double var7) {
      throw new UnsupportedOperationException("3d not supported");
   }

   class="kw">protected double checkConnections(int var1, double var2, double var4, int var6, int var7, double var8) {
      int var10 = HexCellDistanceFunction.getHash(var1, var6, var7);
      if (!this.density.eval(var10)) {
         class="kw">return var8;
      }

      DoubleArray.Double2 var11 = HexCellDistanceFunction.HEX_CELL_2D[var10 & 0xFF];
      double var12 = this.jitter.getPointX(var6, var11);
      double var14 = this.jitter.getPointY(var7, var11);
      double var16 = HexCellDistanceFunction.toHexX(var12, var14);
      double var18 = HexCellDistanceFunction.toHexY(var12, var14);
      double var20 = var2 - var16;
      double var22 = var4 - var18;
      if (this.linesX) {
         var8 = Math.min(var8, this.dist2Cell(var1, var2, var4, var20, var22, var16, var18, var6 - 1, var7));
         var8 = Math.min(var8, this.dist2Cell(var1, var2, var4, var20, var22, var16, var18, var6 + 1, var7));
      }

      if (this.linesY) {
         var8 = Math.min(var8, this.dist2Cell(var1, var2, var4, var20, var22, var16, var18, var6, var7 - 1));
         var8 = Math.min(var8, this.dist2Cell(var1, var2, var4, var20, var22, var16, var18, var6, var7 + 1));
      }

      class="kw">return var8;
   }

   class="kw">protected double checkDiagonalConnections(int var1, double var2, double var4, int var6, int var7, double var8) {
      int var10 = HexCellDistanceFunction.getHash(var1, var6, var7);
      if (!this.density.eval(var10)) {
         class="kw">return var8;
      }

      DoubleArray.Double2 var11 = HexCellDistanceFunction.HEX_CELL_2D[var10 & 0xFF];
      double var12 = this.jitter.getPointX(var6, var11);
      double var14 = this.jitter.getPointY(var7, var11);
      double var16 = HexCellDistanceFunction.toHexX(var12, var14);
      double var18 = HexCellDistanceFunction.toHexY(var12, var14);
      double var20 = var2 - var16;
      double var22 = var4 - var18;
      var8 = Math.min(var8, this.dist2Cell(var1, var2, var4, var20, var22, var16, var18, var6 - 1, var7 + 1));
      class="kw">return Math.min(var8, this.dist2Cell(var1, var2, var4, var20, var22, var16, var18, var6 + 1, var7 - 1));
   }

   class="kw">protected double dist2Cell(int var1, double var2, double var4, double var6, double var8, double var10, double var12, int var14, int var15) {
      int var16 = HexCellDistanceFunction.getHash(var1, var14, var15);
      if (!this.density.eval(var16)) {
         class="kw">return Double.MAX_VALUE;
      }

      DoubleArray.Double2 var17 = HexCellDistanceFunction.HEX_CELL_2D[var16 & 0xFF];
      double var18 = this.jitter.getPointX(var14, var17);
      double var20 = this.jitter.getPointY(var15, var17);
      double var22 = HexCellDistanceFunction.toHexX(var18, var20);
      double var24 = HexCellDistanceFunction.toHexY(var18, var20);
      class="kw">return MathUtil.distanceToLineSq(var2, var4, var10, var12, var22, var24, var6, var8, var22 - var10, var24 - var12);
   }
}