content: package net.minecraft.world.gen.feature;
  
  import net.minecraft.block.*;
  import net.minecraft.block.material.Material;
  import net.minecraft.block.state.IBlockState;
  import net.minecraft.init.Blocks;
  import net.minecraft.util.BlockPos;
  import net.minecraft.world.World;
  
  import java.util.Random;
  
  public class WorldGenTaiga1 extends WorldGenAbstractTree {
      private static final IBlockState field_181636_a = Blocks.log.getDefaultState().withProperty(BlockOldLog.VARIANT, BlockPlanks.EnumType.SPRUCE);
      private static final IBlockState field_181637_b = Blocks.leaves.getDefaultState().withProperty(BlockOldLeaf.VARIANT, BlockPlanks.EnumType.SPRUCE).withProperty(BlockLeaves.CHECK_DECAY, false);
  
      public WorldGenTaiga1() {
          super(false);
      }
  
      public boolean generate(World worldIn, Random rand, BlockPos position) {
          int i = rand.nextInt(5) + 7;
          int j = i - rand.nextInt(2) - 3;
          int k = i - j;
          int l = 1 + rand.nextInt(k + 1);
          boolean flag = true;
  
          if (position.getY() >= 1 && position.getY() + i + 1 <= 256) {
              for (int i1 = position.getY(); i1 <= position.getY() + 1 + i && flag; ++i1) {
                  int j1 = 1;
  
                  if (i1 - position.getY() < j) {
                      j1 = 0;
                  } else {
                      j1 = l;
                  }
  
                  BlockPos.MutableBlockPos blockpos$mutableblockpos = new BlockPos.MutableBlockPos();
  
                  for (int k1 = position.getX() - j1; k1 <= position.getX() + j1 && flag; ++k1) {
                      for (int l1 = position.getZ() - j1; l1 <= position.getZ() + j1 && flag; ++l1) {
                          if (i1 >= 0 && i1 < 256) {
                              if (!this.func_150523_a(worldIn.getBlockState(blockpos$mutableblockpos.set(k1, i1, l1)).getBlock())) {
                                  flag = false;
                              }
                          } else {
                              flag = false;
                          }
                      }
                  }
              }
  
              if (!flag) {
                  return false;
              } else {
                  Block block = worldIn.getBlockState(position.down()).getBlock();
  
                  if ((block == Blocks.grass || block == Blocks.dirt) && position.getY() < 256 - i - 1) {
                      this.func_175921_a(worldIn, position.down());
                      int k2 = 0;
  
                      for (int l2 = position.getY() + i; l2 >= position.getY() + j; --l2) {
                          for (int j3 = position.getX() - k2; j3 <= position.getX() + k2; ++j3) {
                              int k3 = j3 - position.getX();
  
                              for (int i2 = position.getZ() - k2; i2 <= position.getZ() + k2; ++i2) {
                                  int j2 = i2 - position.getZ();
  
                                  if (Math.abs(k3) != k2 || Math.abs(j2) != k2 || k2 <= 0) {
                                      BlockPos blockpos = new BlockPos(j3, l2, i2);
  
                                      if (!worldIn.getBlockState(blockpos).getBlock().isFullBlock()) {
                                          this.setBlockAndNotifyAdequately(worldIn, blockpos, field_181637_b);
                                      }
                                  }
                              }
                          }
  
                          if (k2 >= 1 && l2 == position.getY() + j + 1) {
                              --k2;
                          } else if (k2 < l) {
                              ++k2;
                          }
                      }
  
                      for (int i3 = 0; i3 < i - 1; ++i3) {
                          Block block1 = worldIn.getBlockState(position.up(i3)).getBlock();
  
                          if (block1.getMaterial() == Material.air || block1.getMaterial() == Material.leaves) {
                              this.setBlockAndNotifyAdequately(worldIn, position.up(i3), field_181636_a);
                          }
                      }
  
                      return true;
                  } else {
                      return false;
                  }
              }
          } else {
              return false;
          }
      }
  }
  