content: package net.minecraft.block;
  
  import com.google.common.base.Predicate;
  import net.minecraft.block.material.Material;
  import net.minecraft.block.properties.IProperty;
  import net.minecraft.block.properties.PropertyBool;
  import net.minecraft.block.properties.PropertyDirection;
  import net.minecraft.block.state.BlockState;
  import net.minecraft.block.state.BlockWorldState;
  import net.minecraft.block.state.IBlockState;
  import net.minecraft.block.state.pattern.BlockPattern;
  import net.minecraft.block.state.pattern.BlockStateHelper;
  import net.minecraft.block.state.pattern.FactoryBlockPattern;
  import net.minecraft.entity.EntityLivingBase;
  import net.minecraft.entity.boss.EntityWither;
  import net.minecraft.entity.player.EntityPlayer;
  import net.minecraft.init.Blocks;
  import net.minecraft.init.Items;
  import net.minecraft.item.Item;
  import net.minecraft.item.ItemStack;
  import net.minecraft.nbt.NBTTagCompound;
  import net.minecraft.nbt.NBTUtil;
  import net.minecraft.stats.AchievementList;
  import net.minecraft.tileentity.TileEntity;
  import net.minecraft.tileentity.TileEntitySkull;
  import net.minecraft.util.*;
  import net.minecraft.world.EnumDifficulty;
  import net.minecraft.world.IBlockAccess;
  import net.minecraft.world.World;
  
  import java.util.Random;
  
  public class BlockSkull extends BlockContainer {
      public static final PropertyDirection FACING = PropertyDirection.create("facing");
      public static final PropertyBool NODROP = PropertyBool.create("nodrop");
      private static final Predicate<BlockWorldState> IS_WITHER_SKELETON = new Predicate<BlockWorldState>() {
          public boolean apply(BlockWorldState p_apply_1_) {
              return p_apply_1_.getBlockState() != null && p_apply_1_.getBlockState().getBlock() == Blocks.skull && p_apply_1_.getTileEntity() instanceof TileEntitySkull && ((TileEntitySkull) p_apply_1_.getTileEntity()).getSkullType() == 1;
          }
      };
      private BlockPattern witherBasePattern;
      private BlockPattern witherPattern;
  
      protected BlockSkull() {
          super(Material.circuits);
          this.setDefaultState(this.blockState.getBaseState().withProperty(FACING, EnumFacing.NORTH).withProperty(NODROP, false));
          this.setBlockBounds(0.25F, 0.0F, 0.25F, 0.75F, 0.5F, 0.75F);
      }
  
      public String getLocalizedName() {
          return StatCollector.translateToLocal("tile.skull.skeleton.name");
      }
  
      public boolean isOpaqueCube() {
          return false;
      }
  
      public boolean isFullCube() {
          return false;
      }
  
      public void setBlockBoundsBasedOnState(IBlockAccess worldIn, BlockPos pos) {
          switch (worldIn.getBlockState(pos).getValue(FACING)) {
              case UP:
              default:
                  this.setBlockBounds(0.25F, 0.0F, 0.25F, 0.75F, 0.5F, 0.75F);
                  break;
  
              case NORTH:
                  this.setBlockBounds(0.25F, 0.25F, 0.5F, 0.75F, 0.75F, 1.0F);
                  break;
  
              case SOUTH:
                  this.setBlockBounds(0.25F, 0.25F, 0.0F, 0.75F, 0.75F, 0.5F);
                  break;
  
              case WEST:
                  this.setBlockBounds(0.5F, 0.25F, 0.25F, 1.0F, 0.75F, 0.75F);
                  break;
  
              case EAST:
                  this.setBlockBounds(0.0F, 0.25F, 0.25F, 0.5F, 0.75F, 0.75F);
          }
      }
  
      public AxisAlignedBB getCollisionBoundingBox(World worldIn, BlockPos pos, IBlockState state) {
          this.setBlockBoundsBasedOnState(worldIn, pos);
          return super.getCollisionBoundingBox(worldIn, pos, state);
      }
  
      public IBlockState onBlockPlaced(World worldIn, BlockPos pos, EnumFacing facing, float hitX, float hitY, float hitZ, int meta, EntityLivingBase placer) {
          return this.getDefaultState().withProperty(FACING, placer.getHorizontalFacing()).withProperty(NODROP, false);
      }
  
      public TileEntity createNewTileEntity(World worldIn, int meta) {
          return new TileEntitySkull();
      }
  
      public Item getItem(World worldIn, BlockPos pos) {
          return Items.skull;
      }
  
      public int getDamageValue(World worldIn, BlockPos pos) {
          TileEntity tileentity = worldIn.getTileEntity(pos);
          return tileentity instanceof TileEntitySkull ? ((TileEntitySkull) tileentity).getSkullType() : super.getDamageValue(worldIn, pos);
      }
  
      public void dropBlockAsItemWithChance(World worldIn, BlockPos pos, IBlockState state, float chance, int fortune) {
      }
  
      public void onBlockHarvested(World worldIn, BlockPos pos, IBlockState state, EntityPlayer player) {
          if (player.capabilities.isCreativeMode) {
              state = state.withProperty(NODROP, true);
              worldIn.setBlockState(pos, state, 4);
          }
  
          super.onBlockHarvested(worldIn, pos, state, player);
      }
  
      public void breakBlock(World worldIn, BlockPos pos, IBlockState state) {
          if (!worldIn.isRemote) {
              if (!state.getValue(NODROP).booleanValue()) {
                  TileEntity tileentity = worldIn.getTileEntity(pos);
  
                  if (tileentity instanceof TileEntitySkull) {
                      TileEntitySkull tileentityskull = (TileEntitySkull) tileentity;
                      ItemStack itemstack = new ItemStack(Items.skull, 1, this.getDamageValue(worldIn, pos));
  
                      if (tileentityskull.getSkullType() == 3 && tileentityskull.getPlayerProfile() != null) {
                          itemstack.setTagCompound(new NBTTagCompound());
                          NBTTagCompound nbttagcompound = new NBTTagCompound();
                          NBTUtil.writeGameProfile(nbttagcompound, tileentityskull.getPlayerProfile());
                          itemstack.getTagCompound().setTag("SkullOwner", nbttagcompound);
                      }
  
                      spawnAsEntity(worldIn, pos, itemstack);
                  }
              }
  
              super.breakBlock(worldIn, pos, state);
          }
      }
  
      public Item getItemDropped(IBlockState state, Random rand, int fortune) {
          return Items.skull;
      }
  
      public boolean canDispenserPlace(World worldIn, BlockPos pos, ItemStack stack) {
          return stack.getMetadata() == 1 && pos.getY() >= 2 && worldIn.getDifficulty() != EnumDifficulty.PEACEFUL && !worldIn.isRemote && this.getWitherBasePattern().match(worldIn, pos) != null;
      }
  
      public void checkWitherSpawn(World worldIn, BlockPos pos, TileEntitySkull te) {
          if (te.getSkullType() == 1 && pos.getY() >= 2 && worldIn.getDifficulty() != EnumDifficulty.PEACEFUL && !worldIn.isRemote) {
              BlockPattern blockpattern = this.getWitherPattern();
              BlockPattern.PatternHelper blockpattern$patternhelper = blockpattern.match(worldIn, pos);
  
              if (blockpattern$patternhelper != null) {
                  for (int i = 0; i < 3; ++i) {
                      BlockWorldState blockworldstate = blockpattern$patternhelper.translateOffset(i, 0, 0);
                      worldIn.setBlockState(blockworldstate.getPos(), blockworldstate.getBlockState().withProperty(NODROP, true), 2);
                  }
  
                  for (int j = 0; j < blockpattern.getPalmLength(); ++j) {
                      for (int k = 0; k < blockpattern.getThumbLength(); ++k) {
                          BlockWorldState blockworldstate1 = blockpattern$patternhelper.translateOffset(j, k, 0);
                          worldIn.setBlockState(blockworldstate1.getPos(), Blocks.air.getDefaultState(), 2);
                      }
                  }
  
                  BlockPos blockpos = blockpattern$patternhelper.translateOffset(1, 0, 0).getPos();
                  EntityWither entitywither = new EntityWither(worldIn);
                  BlockPos blockpos1 = blockpattern$patternhelper.translateOffset(1, 2, 0).getPos();
                  entitywither.setLocationAndAngles((double) blockpos1.getX() + 0.5D, (double) blockpos1.getY() + 0.55D, (double) blockpos1.getZ() + 0.5D, blockpattern$patternhelper.getFinger().getAxis() == EnumFacing.Axis.X ? 0.0F : 90.0F, 0.0F);
                  entitywither.renderYawOffset = blockpattern$patternhelper.getFinger().getAxis() == EnumFacing.Axis.X ? 0.0F : 90.0F;
                  entitywither.func_82206_m();
  
                  for (EntityPlayer entityplayer : worldIn.getEntitiesWithinAABB(EntityPlayer.class, entitywither.getEntityBoundingBox().expand(50.0D, 50.0D, 50.0D))) {
                      entityplayer.triggerAchievement(AchievementList.spawnWither);
                  }
  
                  worldIn.spawnEntityInWorld(entitywither);
  
                  for (int l = 0; l < 120; ++l) {
                      worldIn.spawnParticle(EnumParticleTypes.SNOWBALL, (double) blockpos.getX() + worldIn.rand.nextDouble(), (double) (blockpos.getY() - 2) + worldIn.rand.nextDouble() * 3.9D, (double) blockpos.getZ() + worldIn.rand.nextDouble(), 0.0D, 0.0D, 0.0D);
                  }
  
                  for (int i1 = 0; i1 < blockpattern.getPalmLength(); ++i1) {
                      for (int j1 = 0; j1 < blockpattern.getThumbLength(); ++j1) {
                          BlockWorldState blockworldstate2 = blockpattern$patternhelper.translateOffset(i1, j1, 0);
                          worldIn.notifyNeighborsRespectDebug(blockworldstate2.getPos(), Blocks.air);
                      }
                  }
              }
          }
      }
  
      public IBlockState getStateFromMeta(int meta) {
          return this.getDefaultState().withProperty(FACING, EnumFacing.getFront(meta & 7)).withProperty(NODROP, Boolean.valueOf((meta & 8) > 0));
      }
  
      public int getMetaFromState(IBlockState state) {
          int i = 0;
          i = i | state.getValue(FACING).getIndex();
  
          if (state.getValue(NODROP).booleanValue()) {
              i |= 8;
          }
  
          return i;
      }
  
      protected BlockState createBlockState() {
          return new BlockState(this, FACING, NODROP);
      }
  
      protected BlockPattern getWitherBasePattern() {
          if (this.witherBasePattern == null) {
              this.witherBasePattern = FactoryBlockPattern.start().aisle("   ", "###", "~#~").where('#', BlockWorldState.hasState(BlockStateHelper.forBlock(Blocks.soul_sand))).where('~', BlockWorldState.hasState(BlockStateHelper.forBlock(Blocks.air))).build();
          }
  
          return this.witherBasePattern;
      }
  
      protected BlockPattern getWitherPattern() {
          if (this.witherPattern == null) {
              this.witherPattern = FactoryBlockPattern.start().aisle("^^^", "###", "~#~").where('#', BlockWorldState.hasState(BlockStateHelper.forBlock(Blocks.soul_sand))).where('^', IS_WITHER_SKELETON).where('~', BlockWorldState.hasState(BlockStateHelper.forBlock(Blocks.air))).build();
          }
  
          return this.witherPattern;
      }
  }
  