class="kw">package com.hypixel.hytale.server.core.universe.world.worldgen;

class="kw">import com.hypixel.hytale.math.util.ChunkUtil;
class="kw">import com.hypixel.hytale.math.util.NumberUtil;
class="kw">import com.hypixel.hytale.server.core.universe.world.chunk.section.BlockSection;
class="kw">import com.hypixel.hytale.server.core.universe.world.chunk.section.palette.AbstractSectionPalette;
class="kw">import com.hypixel.hytale.server.core.universe.world.chunk.section.palette.EmptySectionPalette;
class="kw">import it.unimi.dsi.fastutil.ints.Int2ShortOpenHashMap;
class="kw">import java.util.Arrays;
class="kw">import javax.annotation.Nonnull;

class="kw">public class GeneratedChunkSection {
   @Nonnull
   class="kw">private class="kw">final int[] data;
   @Nonnull
   class="kw">private class="kw">final class="kw">transient Int2ShortOpenHashMap tempIdCounts = new Int2ShortOpenHashMap();
   class="kw">private AbstractSectionPalette fillers;
   class="kw">private AbstractSectionPalette rotations;

   class="kw">public GeneratedChunkSection() {
      this.data = new int[32768];
      this.fillers = EmptySectionPalette.INSTANCE;
      this.rotations = EmptySectionPalette.INSTANCE;
   }

   class="kw">public int getRotationIndex(int var1, int var2, int var3) {
      class="kw">return this.getRotationIndex(ChunkUtil.indexBlock(var1, var2, var3));
   }

   class="kw">private int getRotationIndex(int var1) {
      class="kw">return this.rotations.get(var1);
   }

   class="kw">public int getBlock(int var1, int var2, int var3) {
      class="kw">return this.getBlock(ChunkUtil.indexBlock(var1, var2, var3));
   }

   class="kw">public int getFiller(int var1, int var2, int var3) {
      class="kw">return this.fillers.get(ChunkUtil.indexBlock(var1, var2, var3));
   }

   class="kw">private int getBlock(int var1) {
      class="kw">return this.data[var1];
   }

   class="kw">public void setBlock(int var1, int var2, int var3, int var4, int var5, int var6) {
      this.setBlock(ChunkUtil.indexBlock(var1, var2, var3), var4, var5, var6);
   }

   class="kw">public void setBlock(int var1, int var2, int var3, int var4) {
      this.data[var1] = var2;
      AbstractSectionPalette.SetResult var5 = this.fillers.set(var1, var4);
      if (var5 == AbstractSectionPalette.SetResult.REQUIRES_PROMOTE) {
         this.fillers = this.fillers.promote();
         this.fillers.set(var1, var4);
      } else if (var5 == AbstractSectionPalette.SetResult.ADDED_OR_REMOVED && this.fillers.shouldDemote()) {
         this.fillers = this.fillers.demote();
      }

      var5 = this.rotations.set(var1, var3);
      if (var5 == AbstractSectionPalette.SetResult.REQUIRES_PROMOTE) {
         this.rotations = this.rotations.promote();
         this.rotations.set(var1, var3);
      } else if (var5 == AbstractSectionPalette.SetResult.ADDED_OR_REMOVED && this.rotations.shouldDemote()) {
         this.rotations = this.rotations.demote();
      }
   }

   class="kw">public int[] getData() {
      class="kw">return this.data;
   }

   class="kw">public void reset() {
      Arrays.fill(this.data, 0);
      this.fillers = EmptySectionPalette.INSTANCE;
      this.rotations = EmptySectionPalette.INSTANCE;
   }

   class="kw">public boolean isSolidAir() {
      for (int var1 = 0; var1 < this.data.length; var1++) {
         if (this.data[var1] != 0) {
            class="kw">return false;
         }
      }

      class="kw">return true;
   }

   @Nonnull
   class="kw">public BlockSection toChunkSection() {
      this.tempIdCounts.clear();
      int var1 = 0;

      while (var1 < this.data.length) {
         int var2 = this.data[var1];
         int var3 = var1;

         do {
            var1++;
         } while (var1 < this.data.length && this.data[var1] == var2);

         short var4 = (short)(var1 - var3);
         this.tempIdCounts.mergeShort(var2, var4, NumberUtil::sum);
      }

      class="kw">return new BlockSection(AbstractSectionPalette.from(this.data, this.tempIdCounts), this.fillers, this.rotations);
   }
}