001    package net.minecraft.block;
002    
003    import cpw.mods.fml.relauncher.Side;
004    import cpw.mods.fml.relauncher.SideOnly;
005    
006    import java.util.ArrayList;
007    import java.util.Random;
008    import net.minecraft.block.material.Material;
009    import net.minecraft.entity.EntityLiving;
010    import net.minecraft.entity.boss.EntityWither;
011    import net.minecraft.entity.player.EntityPlayer;
012    import net.minecraft.item.Item;
013    import net.minecraft.item.ItemStack;
014    import net.minecraft.nbt.NBTTagCompound;
015    import net.minecraft.tileentity.TileEntity;
016    import net.minecraft.tileentity.TileEntitySkull;
017    import net.minecraft.util.AxisAlignedBB;
018    import net.minecraft.util.MathHelper;
019    import net.minecraft.world.IBlockAccess;
020    import net.minecraft.world.World;
021    
022    public class BlockSkull extends BlockContainer
023    {
024        protected BlockSkull(int par1)
025        {
026            super(par1, Material.circuits);
027            this.blockIndexInTexture = 104;
028            this.setBlockBounds(0.25F, 0.0F, 0.25F, 0.75F, 0.5F, 0.75F);
029        }
030    
031        /**
032         * The type of render function that is called for this block
033         */
034        public int getRenderType()
035        {
036            return -1;
037        }
038    
039        /**
040         * Is this block (a) opaque and (b) a full 1m cube?  This determines whether or not to render the shared face of two
041         * adjacent blocks and also whether the player can attach torches, redstone wire, etc to this block.
042         */
043        public boolean isOpaqueCube()
044        {
045            return false;
046        }
047    
048        /**
049         * If this block doesn't render as an ordinary block it will return False (examples: signs, buttons, stairs, etc)
050         */
051        public boolean renderAsNormalBlock()
052        {
053            return false;
054        }
055    
056        /**
057         * Updates the blocks bounds based on its current state. Args: world, x, y, z
058         */
059        public void setBlockBoundsBasedOnState(IBlockAccess par1IBlockAccess, int par2, int par3, int par4)
060        {
061            int var5 = par1IBlockAccess.getBlockMetadata(par2, par3, par4) & 7;
062    
063            switch (var5)
064            {
065                case 1:
066                default:
067                    this.setBlockBounds(0.25F, 0.0F, 0.25F, 0.75F, 0.5F, 0.75F);
068                    break;
069                case 2:
070                    this.setBlockBounds(0.25F, 0.25F, 0.5F, 0.75F, 0.75F, 1.0F);
071                    break;
072                case 3:
073                    this.setBlockBounds(0.25F, 0.25F, 0.0F, 0.75F, 0.75F, 0.5F);
074                    break;
075                case 4:
076                    this.setBlockBounds(0.5F, 0.25F, 0.25F, 1.0F, 0.75F, 0.75F);
077                    break;
078                case 5:
079                    this.setBlockBounds(0.0F, 0.25F, 0.25F, 0.5F, 0.75F, 0.75F);
080            }
081        }
082    
083        /**
084         * Returns a bounding box from the pool of bounding boxes (this means this box can change after the pool has been
085         * cleared to be reused)
086         */
087        public AxisAlignedBB getCollisionBoundingBoxFromPool(World par1World, int par2, int par3, int par4)
088        {
089            this.setBlockBoundsBasedOnState(par1World, par2, par3, par4);
090            return super.getCollisionBoundingBoxFromPool(par1World, par2, par3, par4);
091        }
092    
093        /**
094         * Called when the block is placed in the world.
095         */
096        public void onBlockPlacedBy(World par1World, int par2, int par3, int par4, EntityLiving par5EntityLiving)
097        {
098            int var6 = MathHelper.floor_double((double)(par5EntityLiving.rotationYaw * 4.0F / 360.0F) + 2.5D) & 3;
099            par1World.setBlockMetadataWithNotify(par2, par3, par4, var6);
100        }
101    
102        /**
103         * Returns a new instance of a block's tile entity class. Called on placing the block.
104         */
105        public TileEntity createNewTileEntity(World par1World)
106        {
107            return new TileEntitySkull();
108        }
109    
110        @SideOnly(Side.CLIENT)
111    
112        /**
113         * only called by clickMiddleMouseButton , and passed to inventory.setCurrentItem (along with isCreative)
114         */
115        public int idPicked(World par1World, int par2, int par3, int par4)
116        {
117            return Item.skull.shiftedIndex;
118        }
119    
120        /**
121         * Get the block's damage value (for use with pick block).
122         */
123        public int getDamageValue(World par1World, int par2, int par3, int par4)
124        {
125            TileEntity var5 = par1World.getBlockTileEntity(par2, par3, par4);
126            return var5 != null && var5 instanceof TileEntitySkull ? ((TileEntitySkull)var5).func_82117_a() : super.getDamageValue(par1World, par2, par3, par4);
127        }
128    
129        /**
130         * Determines the damage on the item the block drops. Used in cloth and wood.
131         */
132        public int damageDropped(int par1)
133        {
134            return par1;
135        }
136    
137        /**
138         * Called when the block is attempted to be harvested
139         */
140        public void onBlockHarvested(World par1World, int par2, int par3, int par4, int par5, EntityPlayer par6EntityPlayer)
141        {
142            if (par6EntityPlayer.capabilities.isCreativeMode)
143            {
144                par5 |= 8;
145                par1World.setBlockMetadataWithNotify(par2, par3, par4, par5);
146            }
147    
148            super.onBlockHarvested(par1World, par2, par3, par4, par5, par6EntityPlayer);
149        }
150    
151        /**
152         * ejects contained items into the world, and notifies neighbours of an update, as appropriate
153         */
154        public void breakBlock(World par1World, int par2, int par3, int par4, int par5, int par6)
155        {
156            dropBlockAsItem(par1World, par2, par3, par4, par5, par6);
157            super.breakBlock(par1World, par2, par3, par4, par5, par6);
158        }
159    
160        @Override
161        public ArrayList<ItemStack> getBlockDropped(World world, int x, int y, int z, int metadata, int fortune)
162        {
163            ArrayList<ItemStack> drops = new ArrayList<ItemStack>();
164            if ((metadata & 8) == 0)
165            {
166                ItemStack var7 = new ItemStack(Item.skull.shiftedIndex, 1, this.getDamageValue(world, x, y, z));
167                TileEntitySkull var8 = (TileEntitySkull)world.getBlockTileEntity(x, y, z);
168    
169                if (var8 == null)
170                {
171                    return drops;
172                }
173                if (var8.func_82117_a() == 3 && var8.func_82120_c() != null && var8.func_82120_c().length() > 0)
174                {
175                    var7.setTagCompound(new NBTTagCompound());
176                    var7.getTagCompound().setString("SkullOwner", var8.func_82120_c());
177                }
178                drops.add(var7);
179            }
180            return drops;
181        }
182        /**
183         * Returns the ID of the items to drop on destruction.
184         */
185        public int idDropped(int par1, Random par2Random, int par3)
186        {
187            return Item.skull.shiftedIndex;
188        }
189    
190        /**
191         * This method attempts to create a wither at the given location and skull
192         */
193        public void makeWither(World par1World, int par2, int par3, int par4, TileEntitySkull par5TileEntitySkull)
194        {
195            if (par5TileEntitySkull.func_82117_a() == 1 && par3 >= 2 && par1World.difficultySetting > 0)
196            {
197                int var6 = Block.slowSand.blockID;
198                int var7;
199                EntityWither var8;
200                int var9;
201    
202                for (var7 = -2; var7 <= 0; ++var7)
203                {
204                    if (par1World.getBlockId(par2, par3 - 1, par4 + var7) == var6 && par1World.getBlockId(par2, par3 - 1, par4 + var7 + 1) == var6 && par1World.getBlockId(par2, par3 - 2, par4 + var7 + 1) == var6 && par1World.getBlockId(par2, par3 - 1, par4 + var7 + 2) == var6 && this.func_82528_d(par1World, par2, par3, par4 + var7, 1) && this.func_82528_d(par1World, par2, par3, par4 + var7 + 1, 1) && this.func_82528_d(par1World, par2, par3, par4 + var7 + 2, 1))
205                    {
206                        par1World.setBlockMetadata(par2, par3, par4 + var7, 8);
207                        par1World.setBlockMetadata(par2, par3, par4 + var7 + 1, 8);
208                        par1World.setBlockMetadata(par2, par3, par4 + var7 + 2, 8);
209                        par1World.setBlock(par2, par3, par4 + var7, 0);
210                        par1World.setBlock(par2, par3, par4 + var7 + 1, 0);
211                        par1World.setBlock(par2, par3, par4 + var7 + 2, 0);
212                        par1World.setBlock(par2, par3 - 1, par4 + var7, 0);
213                        par1World.setBlock(par2, par3 - 1, par4 + var7 + 1, 0);
214                        par1World.setBlock(par2, par3 - 1, par4 + var7 + 2, 0);
215                        par1World.setBlock(par2, par3 - 2, par4 + var7 + 1, 0);
216    
217                        if (!par1World.isRemote)
218                        {
219                            var8 = new EntityWither(par1World);
220                            var8.setLocationAndAngles((double)par2 + 0.5D, (double)par3 - 1.45D, (double)(par4 + var7) + 1.5D, 90.0F, 0.0F);
221                            var8.renderYawOffset = 90.0F;
222                            var8.func_82206_m();
223                            par1World.spawnEntityInWorld(var8);
224                        }
225    
226                        for (var9 = 0; var9 < 120; ++var9)
227                        {
228                            par1World.spawnParticle("snowballpoof", (double)par2 + par1World.rand.nextDouble(), (double)(par3 - 2) + par1World.rand.nextDouble() * 3.9D, (double)(par4 + var7 + 1) + par1World.rand.nextDouble(), 0.0D, 0.0D, 0.0D);
229                        }
230    
231                        par1World.notifyBlockChange(par2, par3, par4 + var7, 0);
232                        par1World.notifyBlockChange(par2, par3, par4 + var7 + 1, 0);
233                        par1World.notifyBlockChange(par2, par3, par4 + var7 + 2, 0);
234                        par1World.notifyBlockChange(par2, par3 - 1, par4 + var7, 0);
235                        par1World.notifyBlockChange(par2, par3 - 1, par4 + var7 + 1, 0);
236                        par1World.notifyBlockChange(par2, par3 - 1, par4 + var7 + 2, 0);
237                        par1World.notifyBlockChange(par2, par3 - 2, par4 + var7 + 1, 0);
238                        return;
239                    }
240                }
241    
242                for (var7 = -2; var7 <= 0; ++var7)
243                {
244                    if (par1World.getBlockId(par2 + var7, par3 - 1, par4) == var6 && par1World.getBlockId(par2 + var7 + 1, par3 - 1, par4) == var6 && par1World.getBlockId(par2 + var7 + 1, par3 - 2, par4) == var6 && par1World.getBlockId(par2 + var7 + 2, par3 - 1, par4) == var6 && this.func_82528_d(par1World, par2 + var7, par3, par4, 1) && this.func_82528_d(par1World, par2 + var7 + 1, par3, par4, 1) && this.func_82528_d(par1World, par2 + var7 + 2, par3, par4, 1))
245                    {
246                        par1World.setBlockMetadata(par2 + var7, par3, par4, 8);
247                        par1World.setBlockMetadata(par2 + var7 + 1, par3, par4, 8);
248                        par1World.setBlockMetadata(par2 + var7 + 2, par3, par4, 8);
249                        par1World.setBlock(par2 + var7, par3, par4, 0);
250                        par1World.setBlock(par2 + var7 + 1, par3, par4, 0);
251                        par1World.setBlock(par2 + var7 + 2, par3, par4, 0);
252                        par1World.setBlock(par2 + var7, par3 - 1, par4, 0);
253                        par1World.setBlock(par2 + var7 + 1, par3 - 1, par4, 0);
254                        par1World.setBlock(par2 + var7 + 2, par3 - 1, par4, 0);
255                        par1World.setBlock(par2 + var7 + 1, par3 - 2, par4, 0);
256    
257                        if (!par1World.isRemote)
258                        {
259                            var8 = new EntityWither(par1World);
260                            var8.setLocationAndAngles((double)(par2 + var7) + 1.5D, (double)par3 - 1.45D, (double)par4 + 0.5D, 0.0F, 0.0F);
261                            var8.func_82206_m();
262                            par1World.spawnEntityInWorld(var8);
263                        }
264    
265                        for (var9 = 0; var9 < 120; ++var9)
266                        {
267                            par1World.spawnParticle("snowballpoof", (double)(par2 + var7 + 1) + par1World.rand.nextDouble(), (double)(par3 - 2) + par1World.rand.nextDouble() * 3.9D, (double)par4 + par1World.rand.nextDouble(), 0.0D, 0.0D, 0.0D);
268                        }
269    
270                        par1World.notifyBlockChange(par2 + var7, par3, par4, 0);
271                        par1World.notifyBlockChange(par2 + var7 + 1, par3, par4, 0);
272                        par1World.notifyBlockChange(par2 + var7 + 2, par3, par4, 0);
273                        par1World.notifyBlockChange(par2 + var7, par3 - 1, par4, 0);
274                        par1World.notifyBlockChange(par2 + var7 + 1, par3 - 1, par4, 0);
275                        par1World.notifyBlockChange(par2 + var7 + 2, par3 - 1, par4, 0);
276                        par1World.notifyBlockChange(par2 + var7 + 1, par3 - 2, par4, 0);
277                        return;
278                    }
279                }
280            }
281        }
282    
283        private boolean func_82528_d(World par1World, int par2, int par3, int par4, int par5)
284        {
285            if (par1World.getBlockId(par2, par3, par4) != this.blockID)
286            {
287                return false;
288            }
289            else
290            {
291                TileEntity var6 = par1World.getBlockTileEntity(par2, par3, par4);
292                return var6 != null && var6 instanceof TileEntitySkull ? ((TileEntitySkull)var6).func_82117_a() == par5 : false;
293            }
294        }
295    }