class="kw">package com.hypixel.hytale.builtin.buildertools.utils;

class="kw">import it.unimi.dsi.fastutil.ints.Int2IntOpenHashMap;
class="kw">import it.unimi.dsi.fastutil.ints.Int2IntMap.Entry;
class="kw">import it.unimi.dsi.fastutil.objects.ObjectIterator;

class="kw">public class Sample {
   class="kw">private class="kw">static class="kw">final int[] BLOCK_TEXTURE_KERNEL = new int[]{0, 1, 0, 1, 3, 1, 0, 1, 0, 1, 3, 1, 3, 4, 3, 1, 3, 1, 0, 1, 0, 1, 3, 1, 0, 1, 0};

   class="kw">public Sample() {
   }

   class="kw">public class="kw">static Sample.Result3D calculate3D(int var0, int var1, int var2, int[][][] var3, int[] var4) {
      Int2IntOpenHashMap var5 = new Int2IntOpenHashMap();
      int var6 = 0;
      int var7 = 0;

      for (int var8 = -1; var8 <= 1; var8++) {
         for (int var9 = -1; var9 <= 1; var9++) {
            for (int var10 = -1; var10 <= 1; var10++) {
               int var11 = var4[var7];
               var7++;
               if (var11 != 0) {
                  int var12 = var3[var0 + var8][var1 + var9][var2 + var10];
                  if (var12 <= 0) {
                     var6 += var11;
                  } else {
                     var5.addTo(var12, BLOCK_TEXTURE_KERNEL[var7 - 1]);
                  }
               }
            }
         }
      }

      class="kw">return new Sample.Result3D(var6, sampleEntries(var5), var3[var0][var1][var2]);
   }

   class="kw">public class="kw">static int calculateAirWeight3D(int var0, int var1, int var2, int[][][] var3, int[] var4) {
      int var5 = 0;
      int var6 = 0;

      for (int var7 = -1; var7 <= 1; var7++) {
         for (int var8 = -1; var8 <= 1; var8++) {
            for (int var9 = -1; var9 <= 1; var9++) {
               int var10 = var4[var6++];
               if (var10 != 0 && var3[var0 + var7][var1 + var8][var2 + var9] <= 0) {
                  var5 += var10;
               }
            }
         }
      }

      class="kw">return var5;
   }

   class="kw">public class="kw">static Sample.Result2D calcDeltaHeights(int var0, int var1, int var2, int[][] var3, int[][][] var4, int[] var5, int var6, int var7, boolean var8) {
      int var9 = var3[var0][var2];
      if (var9 == -1) {
         class="kw">return new Sample.Result2D(0.0, 0, -1, 0);
      }

      Int2IntOpenHashMap var10 = var8 ? new Int2IntOpenHashMap() : null;
      int var11 = var4[0].length;
      int var12 = 0;
      int var13 = 0;
      int var14 = 0;

      for (int var15 = -2; var15 <= 2; var15++) {
         for (int var16 = -2; var16 <= 2; var16++) {
            int var17 = var0 + var15;
            int var18 = var2 + var16;
            int var19 = var5[var14++];
            if (var19 != 0) {
               int var20 = var3[var17][var18];
               if (var20 == -1) {
                  var13 += var19;
               } else {
                  if (var10 != null) {
                     int var21 = var20 - var7 + var11 / 2;
                     if (var21 >= 0 && var21 < var11) {
                        int var22 = var4[var17][var21][var18];
                        if (var22 > 0) {
                           var10.addTo(var22, var19);
                        }
                     }
                  }

                  var12 += var19 * var20;
               }
            }
         }
      }

      int var23 = var6 - var13;
      double var24 = var23 > 0 ? (double)var12 / var23 - var9 : 0.0;
      int var25 = var10 != null ? sampleEntries(var10) : 0;
      class="kw">return new Sample.Result2D(var24, var25, var9, var4[var0][var1][var2]);
   }

   class="kw">private class="kw">static int sampleEntries(Int2IntOpenHashMap var0) {
      int var1 = 0;
      int var2 = 0;
      ObjectIterator var3 = var0.int2IntEntrySet().iterator();

      while (var3.hasNext()) {
         Entry var4 = (Entry)var3.next();
         if (var4.getIntValue() > var2) {
            var2 = var4.getIntValue();
            var1 = var4.getIntKey();
         }
      }

      class="kw">return var1;
   }

   class="kw">public record Result2D(double deltaHeight, int sampledBlock, int currentHeight, int originalBlock) {
      class="kw">public Result2D {
      }
   }

   class="kw">public record Result3D(int airWeight, int sampledBlock, int originalBlock) {
      class="kw">public Result3D {
      }
   }
}