SpatialData.java

package com.hypixel.hytale.component.spatial;

import com.hypixel.hytale.common.util.ArrayUtil;
import com.hypixel.hytale.math.vector.Vector3d;
import it.unimi.dsi.fastutil.ints.IntArrays;
import java.util.Arrays;
import java.util.Objects;
import javax.annotation.Nonnull;

public class SpatialData<T> {
   public static final Vector3d[] EMPTY_VECTOR_ARRAY = new Vector3d[0];
   @Nonnull
   private int[] indexes;
   @Nonnull
   private long[] moroton;
   private Vector3d[] vectors;
   @Nonnull
   private T[] data;
   private int size;

   public SpatialData() {
      this.indexes = ArrayUtil.EMPTY_INT_ARRAY;
      this.moroton = ArrayUtil.EMPTY_LONG_ARRAY;
      this.vectors = EMPTY_VECTOR_ARRAY;
      this.data = (T[])ArrayUtil.emptyArray();
   }

   public int size() {
      return .size;
   }

      {
       .indexes[i];
   }

   
    Vector3d  {
       .vectors[i];
   }

   
    T  {
       (T).data[i];
   }

      {
      Objects.requireNonNull(value);
       (.vectors.length < .size + ) {
            ArrayUtil.grow(.size);
         .indexes = Arrays.copyOf(.indexes, newLength);
         .vectors = (Vector3d[])Arrays.copyOf(.vectors, newLength);
         .data = (T[])Arrays.copyOf(.data, newLength);

         (   .size; i < newLength; ++i) {
            .vectors[i] =  ();
         }
      }

         .size++;
      .indexes[index] = index;
      .vectors[index].assign(vector);
      .data[index] = value;
   }

      {
         .size + additionalSize;
       (.vectors.length < newSize) {
            ArrayUtil.grow(newSize);
         .indexes = Arrays.copyOf(.indexes, newLength);
         .vectors = (Vector3d[])Arrays.copyOf(.vectors, newLength);
         .data = (T[])Arrays.copyOf(.data, newLength);

         (   .size; i < newLength; ++i) {
            .vectors[i] =  ();
         }
      }

   }

      {
      Objects.requireNonNull(value);
         .size++;
      .indexes[index] = index;
      .vectors[index].assign(vector);
      .data[index] = value;
   }

      {
      IntArrays.quickSort(.indexes, , .size, (i1, i2) -> {
            .vectors[i1];
            .vectors[i2];
            Double.compare(v1.x, v2.x);
          (xComp != ) {
             xComp;
         }  {
               Double.compare(v1.z, v2.z);
             zComp !=  ? zComp : Double.compare(v1.y, v2.y);
         }
      });
   }

      {
          / ;
          / ;
          / ;
         - / ;
         - / ;
         - / ;

      (   ; i < .size; ++i) {
            .vectors[i];
          (v.x < minX) {
            minX = v.x;
         }

          (v.y < minY) {
            minY = v.y;
         }

          (v.z < minZ) {
            minZ = v.z;
         }

          (v.x > maxX) {
            maxX = v.x;
         }

          (v.y > maxY) {
            maxY = v.y;
         }

          (v.z > maxZ) {
            maxZ = v.z;
         }
      }

      .moroton = .moroton.length < .size ? Arrays.copyOf(.moroton, .size) : .moroton;

      (   ; i < .size; ++i) {
            .vectors[i];
         .moroton[i] = Long.reverse(MortonCode.encode(v.x, v.y, v.z, minX, minY, minZ, maxX, maxY, maxZ));
      }

      IntArrays.quickSort(.indexes, , .size, (i1, i2) -> Long.compare(.moroton[i1], .moroton[i2]));
   }

      {
      Arrays.fill(.data, , .size, (Object));
      .size = ;
   }
}