content: package net.minecraft.world.gen.feature;
  
  import net.minecraft.block.BlockDoublePlant;
  import net.minecraft.init.Blocks;
  import net.minecraft.util.BlockPos;
  import net.minecraft.world.World;
  
  import java.util.Random;
  
  public class WorldGenDoublePlant extends WorldGenerator {
      private BlockDoublePlant.EnumPlantType field_150549_a;
  
      public void setPlantType(BlockDoublePlant.EnumPlantType p_180710_1_) {
          this.field_150549_a = p_180710_1_;
      }
  
      public boolean generate(World worldIn, Random rand, BlockPos position) {
          boolean flag = false;
  
          for (int i = 0; i < 64; ++i) {
              BlockPos blockpos = position.add(rand.nextInt(8) - rand.nextInt(8), rand.nextInt(4) - rand.nextInt(4), rand.nextInt(8) - rand.nextInt(8));
  
              if (worldIn.isAirBlock(blockpos) && (!worldIn.provider.getHasNoSky() || blockpos.getY() < 254) && Blocks.double_plant.canPlaceBlockAt(worldIn, blockpos)) {
                  Blocks.double_plant.placeAt(worldIn, blockpos, this.field_150549_a, 2);
                  flag = true;
              }
          }
  
          return flag;
      }
  }
  