content: package net.minecraft.world.gen.layer;
  
  public class GenLayerAddSnow extends GenLayer {
      public GenLayerAddSnow(long p_i2121_1_, GenLayer p_i2121_3_) {
          super(p_i2121_1_);
          this.parent = p_i2121_3_;
      }
  
      public int[] getInts(int areaX, int areaY, int areaWidth, int areaHeight) {
          int i = areaX - 1;
          int j = areaY - 1;
          int k = areaWidth + 2;
          int l = areaHeight + 2;
          int[] aint = this.parent.getInts(i, j, k, l);
          int[] aint1 = IntCache.getIntCache(areaWidth * areaHeight);
  
          for (int i1 = 0; i1 < areaHeight; ++i1) {
              for (int j1 = 0; j1 < areaWidth; ++j1) {
                  int k1 = aint[j1 + 1 + (i1 + 1) * k];
                  this.initChunkSeed(j1 + areaX, i1 + areaY);
  
                  if (k1 == 0) {
                      aint1[j1 + i1 * areaWidth] = 0;
                  } else {
                      int l1 = this.nextInt(6);
  
                      if (l1 == 0) {
                          l1 = 4;
                      } else if (l1 <= 1) {
                          l1 = 3;
                      } else {
                          l1 = 1;
                      }
  
                      aint1[j1 + i1 * areaWidth] = l1;
                  }
              }
          }
  
          return aint1;
      }
  }
  