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

class="kw">import com.hypixel.hytale.server.core.util.io.MemorySegmentUtil;
class="kw">import it.unimi.dsi.fastutil.ints.Int2IntMap;
class="kw">import it.unimi.dsi.fastutil.ints.IntArrayList;
class="kw">import java.lang.foreign.MemorySegment;
class="kw">import javax.annotation.Nonnull;
class="kw">import javax.annotation.Nullable;

class="kw">public class EnvironmentColumn {
   class="kw">public class="kw">static class="kw">final int MIN = Integer.MIN_VALUE;
   class="kw">public class="kw">static class="kw">final int MAX = Integer.MAX_VALUE;
   @Nonnull
   class="kw">private IntArrayList maxYs;
   @Nonnull
   class="kw">private IntArrayList values;

   class="kw">public EnvironmentColumn(@Nonnull int[] var1, @Nonnull int[] var2) {
      this(new IntArrayList(var1), new IntArrayList(var2));
   }

   class="kw">public EnvironmentColumn(@Nonnull IntArrayList var1, @Nonnull IntArrayList var2) {
      if (var1.size() + 1 != var2.size()) {
         throw new IllegalStateException("maxY + 1 != values");
      }

      this.maxYs = var1;
      this.values = var2;
   }

   class="kw">public EnvironmentColumn(int var1) {
      this(new IntArrayList(0), new IntArrayList(new int[]{var1}));
   }

   int maxys_size() {
      class="kw">return this.maxYs.size();
   }

   class="kw">public int size() {
      class="kw">return this.values.size();
   }

   class="kw">public int getValue(int var1) {
      class="kw">return this.values.getInt(var1);
   }

   class="kw">public int getValueMin(int var1) {
      class="kw">return var1 <= 0 ? Integer.MIN_VALUE : this.maxYs.getInt(var1 - 1) + 1;
   }

   class="kw">public int getValueMax(int var1) {
      class="kw">return var1 >= this.maxYs.size() ? Integer.MAX_VALUE : this.maxYs.getInt(var1);
   }

   class="kw">public int indexOf(int var1) {
      int var2 = this.maxYs.size();
      if (var2 == 0) {
         class="kw">return 0;
      }

      int var3 = 0;
      int var4 = var2 - 1;
      int var5 = var2;

      while (var3 <= var4) {
         int var6 = (var3 + var4) / 2;
         if (this.maxYs.getInt(var6) < var1) {
            var3 = var6 + 1;
         } else {
            var5 = var6;
            var4 = var6 - 1;
         }
      }

      class="kw">return var5;
   }

   class="kw">public void set(int var1) {
      this.maxYs.clear();
      this.values.clear();
      this.values.add(var1);
   }

   class="kw">public int get(int var1) {
      class="kw">return this.values.getInt(this.indexOf(var1));
   }

   class="kw">public void set(int var1, int var2) {
      int var3 = this.indexOf(var1);
      int var4 = this.values.getInt(var3);
      if (var4 != var2) {
         int var5 = this.maxYs.size();
         int var6 = Integer.MAX_VALUE;
         if (var3 < var5) {
            var6 = this.maxYs.getInt(var3);
         }

         int var7 = Integer.MIN_VALUE;
         if (var3 > 0) {
            var7 = this.maxYs.getInt(var3 - 1) + 1;
         }

         if (var7 == var6) {
            if (var3 < var5 && this.values.getInt(var3 + 1) == var2) {
               this.maxYs.removeInt(var3);
               this.values.removeInt(var3);
            } else {
               this.values.set(var3, var2);
            }

            if (var3 != 0 && this.values.getInt(var3 - 1) == var2) {
               this.maxYs.removeInt(var3 - 1);
               this.values.removeInt(var3 - 1);
            }
         } else if (var7 == var1) {
            if (var3 != 0 && this.values.getInt(var3 - 1) == var2) {
               this.maxYs.set(var3 - 1, var1);
            } else {
               this.maxYs.add(var3, var1);
               this.values.add(var3, var2);
            }
         } else if (var6 == var1) {
            if (var3 == var5) {
               this.maxYs.add(var3, var1 - 1);
               this.values.add(var3 + 1, var2);
            } else {
               this.maxYs.set(var3, var1 - 1);
               if (this.values.getInt(var3 + 1) != var2) {
                  this.maxYs.add(var3 + 1, var1);
                  this.values.add(var3 + 1, var2);
               }
            }
         } else {
            this.maxYs.add(var3, var1);
            this.values.add(var3, var2);
            this.maxYs.add(var3, var1 - 1);
            this.values.add(var3, var4);
         }
      }
   }

   class="kw">public int getMin(int var1) {
      int var2 = this.indexOf(var1);
      int var3 = Integer.MIN_VALUE;
      if (var2 > 0) {
         var3 = this.maxYs.getInt(var2 - 1) + 1;
      }

      class="kw">return var3;
   }

   class="kw">public int getMax(int var1) {
      int var2 = this.indexOf(var1);
      int var3 = this.maxYs.size();
      int var4 = Integer.MAX_VALUE;
      if (var2 < var3) {
         var4 = this.maxYs.getInt(var2);
      }

      class="kw">return var4;
   }

   class="kw">public void set(int var1, int var2, int var3) {
      for (int var4 = var1; var4 <= var2; var4++) {
         this.set(var4, var3);
      }
   }

   class="kw">public void resetTo(@Nonnull int[] var1, @Nonnull int[] var2) {
      assert var1.length == var2.length - 1;
      this.maxYs = new IntArrayList(var1);
      this.values = new IntArrayList(var2);
   }

   class="kw">public int serialize(@Nonnull MemorySegment var1, int var2) {
      int var3 = var2;
      int var4 = this.maxYs.size();
      var1.set(MemorySegmentUtil.INT_BE, var3, var4);
      var3 += 4;
      MemorySegment.copy(this.maxYs.elements(), 0, var1, MemorySegmentUtil.INT_BE, var3, var4);
      var3 += 4 * var4;
      MemorySegment.copy(this.values.elements(), 0, var1, MemorySegmentUtil.INT_BE, var3, var4 + 1);
      var3 += 4 * (var4 + 1);
      class="kw">return var3 - var2;
   }

   class="kw">public int serializeProtocol(@Nonnull MemorySegment var1, int var2) {
      int var3 = var2;
      int var4 = this.maxYs.size();
      var1.set(MemorySegmentUtil.SHORT_LE, var3, (short)(var4 + 1));
      var3 += 2;
      int var5 = Integer.MIN_VALUE;

      for (int var6 = 0; var6 < var4; var6++) {
         var1.set(MemorySegmentUtil.SHORT_LE, var3, (short)var5);
         var3 += 2;
         var1.set(MemorySegmentUtil.SHORT_LE, var3, (short)this.values.getInt(var6));
         var3 += 2;
         int var7 = this.maxYs.getInt(var6);
         var5 = var7 + 1;
      }

      var1.set(MemorySegmentUtil.SHORT_LE, var3, (short)var5);
      var3 += 2;
      var1.set(MemorySegmentUtil.SHORT_LE, var3, (short)this.values.getInt(var4));
      var3 += 2;
      class="kw">return var3 - var2;
   }

   class="kw">public int deserialize(@Nonnull MemorySegment var1, int var2, @Nonnull Int2IntMap var3) {
      this.maxYs.clear();
      this.values.clear();
      int var4 = var2;
      int var5 = var1.get(MemorySegmentUtil.INT_BE, var4);
      var4 += 4;
      this.maxYs.size(var5);
      this.values.ensureCapacity(var5 + 1);
      MemorySegment.copy(var1, MemorySegmentUtil.INT_BE, var4, this.maxYs.elements(), 0, var5);
      var4 += 4 * var5;

      for (int var6 = 0; var6 <= var5; var6++) {
         this.values.add(var3.get(var1.get(MemorySegmentUtil.INT_BE, var4)));
         var4 += 4;
      }

      class="kw">return var4 - var2;
   }

   class="kw">public void copyFrom(@Nonnull EnvironmentColumn var1) {
      this.maxYs.clear();
      this.values.clear();
      this.maxYs.ensureCapacity(var1.maxYs.size());
      this.values.ensureCapacity(var1.values.size());
      this.maxYs.addAll(var1.maxYs);
      this.values.addAll(var1.values);
   }

   class="kw">public void trim() {
      this.maxYs.trim();
      this.values.trim();
   }

   @Override
   class="kw">public boolean equals(@Nullable Object var1) {
      if (this == var1) {
         class="kw">return true;
      }

      if (var1 != null && this.getClass() == var1.getClass()) {
         EnvironmentColumn var2 = (EnvironmentColumn)var1;
         if (this.maxYs != null ? this.maxYs.equals(var2.maxYs) : var2.maxYs == null) {
            class="kw">return this.values != null ? this.values.equals(var2.values) : var2.values == null;
         } else {
            class="kw">return false;
         }
      } else {
         class="kw">return false;
      }
   }

   @Override
   class="kw">public int hashCode() {
      int var1 = this.maxYs != null ? this.maxYs.hashCode() : 0;
      class="kw">return 31 * var1 + (this.values != null ? this.values.hashCode() : 0);
   }

   @Nonnull
   @Override
   class="kw">public String toString() {
      class="kw">return "EnvironmentColumn{maxYs=" + this.maxYs + ", values=" + this.values + "}";
   }
}