    001    package net.minecraft.src;
    002
    003    import cpw.mods.fml.common.Side;
    004    import cpw.mods.fml.common.asm.SideOnly;
    005    import java.util.Iterator;
    006    import java.util.Random;
    007    import static net.minecraftforge.common.ForgeDirection.*;
    008
    009    public class BlockChest extends BlockContainer
    010    {
    011        private Random random = new Random();
    012
    013        protected BlockChest(int par1)
    014        {
    015            super(par1, Material.wood);
    016            this.blockIndexInTexture = 26;
    017            this.setCreativeTab(CreativeTabs.tabDecorations);
    018            this.setBlockBounds(0.0625F, 0.0F, 0.0625F, 0.9375F, 0.875F, 0.9375F);
    019        }
    020
    021        /**
    022         * Is this block (a) opaque and (b) a full 1m cube?  This determines whether or not to render the shared face of two
    023         * adjacent blocks and also whether the player can attach torches, redstone wire, etc to this block.
    024         */
    025        public boolean isOpaqueCube()
    026        {
    027            return false;
    028        }
    029
    030        /**
    031         * If this block doesn't render as an ordinary block it will return False (examples: signs, buttons, stairs, etc)
    032         */
    033        public boolean renderAsNormalBlock()
    034        {
    035            return false;
    036        }
    037
    038        /**
    039         * The type of render function that is called for this block
    040         */
    041        public int getRenderType()
    042        {
    043            return 22;
    044        }
    045
    046        /**
    047         * Updates the blocks bounds based on its current state. Args: world, x, y, z
    048         */
    049        public void setBlockBoundsBasedOnState(IBlockAccess par1IBlockAccess, int par2, int par3, int par4)
    050        {
    051            if (par1IBlockAccess.getBlockId(par2, par3, par4 - 1) == this.blockID)
    052            {
    053                this.setBlockBounds(0.0625F, 0.0F, 0.0F, 0.9375F, 0.875F, 0.9375F);
    054            }
    055            else if (par1IBlockAccess.getBlockId(par2, par3, par4 + 1) == this.blockID)
    056            {
    057                this.setBlockBounds(0.0625F, 0.0F, 0.0625F, 0.9375F, 0.875F, 1.0F);
    058            }
    059            else if (par1IBlockAccess.getBlockId(par2 - 1, par3, par4) == this.blockID)
    060            {
    061                this.setBlockBounds(0.0F, 0.0F, 0.0625F, 0.9375F, 0.875F, 0.9375F);
    062            }
    063            else if (par1IBlockAccess.getBlockId(par2 + 1, par3, par4) == this.blockID)
    064            {
    065                this.setBlockBounds(0.0625F, 0.0F, 0.0625F, 1.0F, 0.875F, 0.9375F);
    066            }
    067            else
    068            {
    069                this.setBlockBounds(0.0625F, 0.0F, 0.0625F, 0.9375F, 0.875F, 0.9375F);
    070            }
    071        }
    072
    073        /**
    074         * Called whenever the block is added into the world. Args: world, x, y, z
    075         */
    076        public void onBlockAdded(World par1World, int par2, int par3, int par4)
    077        {
    078            super.onBlockAdded(par1World, par2, par3, par4);
    079            this.unifyAdjacentChests(par1World, par2, par3, par4);
    080            int var5 = par1World.getBlockId(par2, par3, par4 - 1);
    081            int var6 = par1World.getBlockId(par2, par3, par4 + 1);
    082            int var7 = par1World.getBlockId(par2 - 1, par3, par4);
    083            int var8 = par1World.getBlockId(par2 + 1, par3, par4);
    084
    085            if (var5 == this.blockID)
    086            {
    087                this.unifyAdjacentChests(par1World, par2, par3, par4 - 1);
    088            }
    089
    090            if (var6 == this.blockID)
    091            {
    092                this.unifyAdjacentChests(par1World, par2, par3, par4 + 1);
    093            }
    094
    095            if (var7 == this.blockID)
    096            {
    097                this.unifyAdjacentChests(par1World, par2 - 1, par3, par4);
    098            }
    099
    100            if (var8 == this.blockID)
    101            {
    102                this.unifyAdjacentChests(par1World, par2 + 1, par3, par4);
    103            }
    104        }
    105
    106        /**
    107         * Called when the block is placed in the world.
    108         */
    109        public void onBlockPlacedBy(World par1World, int par2, int par3, int par4, EntityLiving par5EntityLiving)
    110        {
    111            int var6 = par1World.getBlockId(par2, par3, par4 - 1);
    112            int var7 = par1World.getBlockId(par2, par3, par4 + 1);
    113            int var8 = par1World.getBlockId(par2 - 1, par3, par4);
    114            int var9 = par1World.getBlockId(par2 + 1, par3, par4);
    115            byte var10 = 0;
    116            int var11 = MathHelper.floor_double((double)(par5EntityLiving.rotationYaw * 4.0F / 360.0F) + 0.5D) & 3;
    117
    118            if (var11 == 0)
    119            {
    120                var10 = 2;
    121            }
    122
    123            if (var11 == 1)
    124            {
    125                var10 = 5;
    126            }
    127
    128            if (var11 == 2)
    129            {
    130                var10 = 3;
    131            }
    132
    133            if (var11 == 3)
    134            {
    135                var10 = 4;
    136            }
    137
    138            if (var6 != this.blockID && var7 != this.blockID && var8 != this.blockID && var9 != this.blockID)
    139            {
    140                par1World.setBlockMetadataWithNotify(par2, par3, par4, var10);
    141            }
    142            else
    143            {
    144                if ((var6 == this.blockID || var7 == this.blockID) && (var10 == 4 || var10 == 5))
    145                {
    146                    if (var6 == this.blockID)
    147                    {
    148                        par1World.setBlockMetadataWithNotify(par2, par3, par4 - 1, var10);
    149                    }
    150                    else
    151                    {
    152                        par1World.setBlockMetadataWithNotify(par2, par3, par4 + 1, var10);
    153                    }
    154
    155                    par1World.setBlockMetadataWithNotify(par2, par3, par4, var10);
    156                }
    157
    158                if ((var8 == this.blockID || var9 == this.blockID) && (var10 == 2 || var10 == 3))
    159                {
    160                    if (var8 == this.blockID)
    161                    {
    162                        par1World.setBlockMetadataWithNotify(par2 - 1, par3, par4, var10);
    163                    }
    164                    else
    165                    {
    166                        par1World.setBlockMetadataWithNotify(par2 + 1, par3, par4, var10);
    167                    }
    168
    169                    par1World.setBlockMetadataWithNotify(par2, par3, par4, var10);
    170                }
    171            }
    172        }
    173
    174        /**
    175         * Turns the adjacent chests to a double chest.
    176         */
    177        public void unifyAdjacentChests(World par1World, int par2, int par3, int par4)
    178        {
    179            if (!par1World.isRemote)
    180            {
    181                int var5 = par1World.getBlockId(par2, par3, par4 - 1);
    182                int var6 = par1World.getBlockId(par2, par3, par4 + 1);
    183                int var7 = par1World.getBlockId(par2 - 1, par3, par4);
    184                int var8 = par1World.getBlockId(par2 + 1, par3, par4);
    185                boolean var9 = true;
    186                int var10;
    187                int var11;
    188                boolean var12;
    189                byte var13;
    190                int var14;
    191
    192                if (var5 != this.blockID && var6 != this.blockID)
    193                {
    194                    if (var7 != this.blockID && var8 != this.blockID)
    195                    {
    196                        var13 = 3;
    197
    198                        if (Block.opaqueCubeLookup[var5] && !Block.opaqueCubeLookup[var6])
    199                        {
    200                            var13 = 3;
    201                        }
    202
    203                        if (Block.opaqueCubeLookup[var6] && !Block.opaqueCubeLookup[var5])
    204                        {
    205                            var13 = 2;
    206                        }
    207
    208                        if (Block.opaqueCubeLookup[var7] && !Block.opaqueCubeLookup[var8])
    209                        {
    210                            var13 = 5;
    211                        }
    212
    213                        if (Block.opaqueCubeLookup[var8] && !Block.opaqueCubeLookup[var7])
    214                        {
    215                            var13 = 4;
    216                        }
    217                    }
    218                    else
    219                    {
    220                        var10 = par1World.getBlockId(var7 == this.blockID ? par2 - 1 : par2 + 1, par3, par4 - 1);
    221                        var11 = par1World.getBlockId(var7 == this.blockID ? par2 - 1 : par2 + 1, par3, par4 + 1);
    222                        var13 = 3;
    223                        var12 = true;
    224
    225                        if (var7 == this.blockID)
    226                        {
    227                            var14 = par1World.getBlockMetadata(par2 - 1, par3, par4);
    228                        }
    229                        else
    230                        {
    231                            var14 = par1World.getBlockMetadata(par2 + 1, par3, par4);
    232                        }
    233
    234                        if (var14 == 2)
    235                        {
    236                            var13 = 2;
    237                        }
    238
    239                        if ((Block.opaqueCubeLookup[var5] || Block.opaqueCubeLookup[var10]) && !Block.opaqueCubeLookup[var6] && !Block.opaqueCubeLookup[var11])
    240                        {
    241                            var13 = 3;
    242                        }
    243
    244                        if ((Block.opaqueCubeLookup[var6] || Block.opaqueCubeLookup[var11]) && !Block.opaqueCubeLookup[var5] && !Block.opaqueCubeLookup[var10])
    245                        {
    246                            var13 = 2;
    247                        }
    248                    }
    249                }
    250                else
    251                {
    252                    var10 = par1World.getBlockId(par2 - 1, par3, var5 == this.blockID ? par4 - 1 : par4 + 1);
    253                    var11 = par1World.getBlockId(par2 + 1, par3, var5 == this.blockID ? par4 - 1 : par4 + 1);
    254                    var13 = 5;
    255                    var12 = true;
    256
    257                    if (var5 == this.blockID)
    258                    {
    259                        var14 = par1World.getBlockMetadata(par2, par3, par4 - 1);
    260                    }
    261                    else
    262                    {
    263                        var14 = par1World.getBlockMetadata(par2, par3, par4 + 1);
    264                    }
    265
    266                    if (var14 == 4)
    267                    {
    268                        var13 = 4;
    269                    }
    270
    271                    if ((Block.opaqueCubeLookup[var7] || Block.opaqueCubeLookup[var10]) && !Block.opaqueCubeLookup[var8] && !Block.opaqueCubeLookup[var11])
    272                    {
    273                        var13 = 5;
    274                    }
    275
    276                    if ((Block.opaqueCubeLookup[var8] || Block.opaqueCubeLookup[var11]) && !Block.opaqueCubeLookup[var7] && !Block.opaqueCubeLookup[var10])
    277                    {
    278                        var13 = 4;
    279                    }
    280                }
    281
    282                par1World.setBlockMetadataWithNotify(par2, par3, par4, var13);
    283            }
    284        }
    285
    286        @SideOnly(Side.CLIENT)
    287
    288        /**
    289         * Retrieves the block texture to use based on the display side. Args: iBlockAccess, x, y, z, side
    290         */
    291        public int getBlockTexture(IBlockAccess par1IBlockAccess, int par2, int par3, int par4, int par5)
    292        {
    293            return 4;
    294        }
    295
    296        /**
    297         * Returns the block texture based on the side being looked at.  Args: side
    298         */
    299        public int getBlockTextureFromSide(int par1)
    300        {
    301            return 4;
    302        }
    303
    304        /**
    305         * Checks to see if its valid to put this block at the specified coordinates. Args: world, x, y, z
    306         */
    307        public boolean canPlaceBlockAt(World par1World, int par2, int par3, int par4)
    308        {
    309            int var5 = 0;
    310
    311            if (par1World.getBlockId(par2 - 1, par3, par4) == this.blockID)
    312            {
    313                ++var5;
    314            }
    315
    316            if (par1World.getBlockId(par2 + 1, par3, par4) == this.blockID)
    317            {
    318                ++var5;
    319            }
    320
    321            if (par1World.getBlockId(par2, par3, par4 - 1) == this.blockID)
    322            {
    323                ++var5;
    324            }
    325
    326            if (par1World.getBlockId(par2, par3, par4 + 1) == this.blockID)
    327            {
    328                ++var5;
    329            }
    330
    331            return var5 > 1 ? false : (this.isThereANeighborChest(par1World, par2 - 1, par3, par4) ? false : (this.isThereANeighborChest(par1World, par2 + 1, par3, par4) ? false : (this.isThereANeighborChest(par1World, par2, par3, par4 - 1) ? false : !this.isThereANeighborChest(par1World, par2, par3, par4 + 1))));
    332        }
    333
    334        /**
    335         * Checks the neighbor blocks to see if there is a chest there. Args: world, x, y, z
    336         */
    337        private boolean isThereANeighborChest(World par1World, int par2, int par3, int par4)
    338        {
    339            return par1World.getBlockId(par2, par3, par4) != this.blockID ? false : (par1World.getBlockId(par2 - 1, par3, par4) == this.blockID ? true : (par1World.getBlockId(par2 + 1, par3, par4) == this.blockID ? true : (par1World.getBlockId(par2, par3, par4 - 1) == this.blockID ? true : par1World.getBlockId(par2, par3, par4 + 1) == this.blockID)));
    340        }
    341
    342        /**
    343         * Lets the block know when one of its neighbor changes. Doesn't know which neighbor changed (coordinates passed are
    344         * their own) Args: x, y, z, neighbor blockID
    345         */
    346        public void onNeighborBlockChange(World par1World, int par2, int par3, int par4, int par5)
    347        {
    348            super.onNeighborBlockChange(par1World, par2, par3, par4, par5);
    349            TileEntityChest var6 = (TileEntityChest)par1World.getBlockTileEntity(par2, par3, par4);
    350
    351            if (var6 != null)
    352            {
    353                var6.updateContainingBlockInfo();
    354            }
    355        }
    356
    357        /**
    358         * ejects contained items into the world, and notifies neighbours of an update, as appropriate
    359         */
    360        public void breakBlock(World par1World, int par2, int par3, int par4, int par5, int par6)
    361        {
    362            TileEntityChest var7 = (TileEntityChest)par1World.getBlockTileEntity(par2, par3, par4);
    363
    364            if (var7 != null)
    365            {
    366                for (int var8 = 0; var8 < var7.getSizeInventory(); ++var8)
    367                {
    368                    ItemStack var9 = var7.getStackInSlot(var8);
    369
    370                    if (var9 != null)
    371                    {
    372                        float var10 = this.random.nextFloat() * 0.8F + 0.1F;
    373                        float var11 = this.random.nextFloat() * 0.8F + 0.1F;
    374                        EntityItem var14;
    375
    376                        for (float var12 = this.random.nextFloat() * 0.8F + 0.1F; var9.stackSize > 0; par1World.spawnEntityInWorld(var14))
    377                        {
    378                            int var13 = this.random.nextInt(21) + 10;
    379
    380                            if (var13 > var9.stackSize)
    381                            {
    382                                var13 = var9.stackSize;
    383                            }
    384
    385                            var9.stackSize -= var13;
    386                            var14 = new EntityItem(par1World, (double)((float)par2 + var10), (double)((float)par3 + var11), (double)((float)par4 + var12), new ItemStack(var9.itemID, var13, var9.getItemDamage()));
    387                            float var15 = 0.05F;
    388                            var14.motionX = (double)((float)this.random.nextGaussian() * var15);
    389                            var14.motionY = (double)((float)this.random.nextGaussian() * var15 + 0.2F);
    390                            var14.motionZ = (double)((float)this.random.nextGaussian() * var15);
    391
    392                            if (var9.hasTagCompound())
    393                            {
    394                                var14.item.setTagCompound((NBTTagCompound)var9.getTagCompound().copy());
    395                            }
    396                        }
    397                    }
    398                }
    399            }
    400
    401            super.breakBlock(par1World, par2, par3, par4, par5, par6);
    402        }
    403
    404        /**
    405         * Called upon block activation (right click on the block.)
    406         */
    407        public boolean onBlockActivated(World par1World, int par2, int par3, int par4, EntityPlayer par5EntityPlayer, int par6, float par7, float par8, float par9)
    408        {
    409            Object var10 = (TileEntityChest)par1World.getBlockTileEntity(par2, par3, par4);
    410
    411            if (var10 == null)
    412            {
    413                return true;
    414            }
    415            else if (par1World.isBlockSolidOnSide(par2, par3 + 1, par4, DOWN))
    416            {
    417                return true;
    418            }
    419            else if (isOcelotBlockingChest(par1World, par2, par3, par4))
    420            {
    421                return true;
    422            }
    423            else if (par1World.getBlockId(par2 - 1, par3, par4) == this.blockID && (par1World.isBlockSolidOnSide(par2 - 1, par3 + 1, par4, DOWN) || isOcelotBlockingChest(par1World, par2 - 1, par3, par4)))
    424            {
    425                return true;
    426            }
    427            else if (par1World.getBlockId(par2 + 1, par3, par4) == this.blockID && (par1World.isBlockSolidOnSide(par2 + 1, par3 + 1, par4, DOWN) || isOcelotBlockingChest(par1World, par2 + 1, par3, par4)))
    428            {
    429                return true;
    430            }
    431            else if (par1World.getBlockId(par2, par3, par4 - 1) == this.blockID && (par1World.isBlockSolidOnSide(par2, par3 + 1, par4 - 1, DOWN) || isOcelotBlockingChest(par1World, par2, par3, par4 - 1)))
    432            {
    433                return true;
    434            }
    435            else if (par1World.getBlockId(par2, par3, par4 + 1) == this.blockID && (par1World.isBlockSolidOnSide(par2, par3 + 1, par4 + 1, DOWN) || isOcelotBlockingChest(par1World, par2, par3, par4 + 1)))
    436            {
    437                return true;
    438            }
    439            else
    440            {
    441                if (par1World.getBlockId(par2 - 1, par3, par4) == this.blockID)
    442                {
    443                    var10 = new InventoryLargeChest("container.chestDouble", (TileEntityChest)par1World.getBlockTileEntity(par2 - 1, par3, par4), (IInventory)var10);
    444                }
    445
    446                if (par1World.getBlockId(par2 + 1, par3, par4) == this.blockID)
    447                {
    448                    var10 = new InventoryLargeChest("container.chestDouble", (IInventory)var10, (TileEntityChest)par1World.getBlockTileEntity(par2 + 1, par3, par4));
    449                }
    450
    451                if (par1World.getBlockId(par2, par3, par4 - 1) == this.blockID)
    452                {
    453                    var10 = new InventoryLargeChest("container.chestDouble", (TileEntityChest)par1World.getBlockTileEntity(par2, par3, par4 - 1), (IInventory)var10);
    454                }
    455
    456                if (par1World.getBlockId(par2, par3, par4 + 1) == this.blockID)
    457                {
    458                    var10 = new InventoryLargeChest("container.chestDouble", (IInventory)var10, (TileEntityChest)par1World.getBlockTileEntity(par2, par3, par4 + 1));
    459                }
    460
    461                if (par1World.isRemote)
    462                {
    463                    return true;
    464                }
    465                else
    466                {
    467                    par5EntityPlayer.displayGUIChest((IInventory)var10);
    468                    return true;
    469                }
    470            }
    471        }
    472
    473        /**
    474         * Returns a new instance of a block's tile entity class. Called on placing the block.
    475         */
    476        public TileEntity createNewTileEntity(World par1World)
    477        {
    478            return new TileEntityChest();
    479        }
    480
    481        /**
    482         * Looks for a sitting ocelot within certain bounds. Such an ocelot is considered to be blocking access to the
    483         * chest.
    484         */
    485        public static boolean isOcelotBlockingChest(World par0World, int par1, int par2, int par3)
    486        {
    487            Iterator var4 = par0World.getEntitiesWithinAABB(EntityOcelot.class, AxisAlignedBB.getAABBPool().addOrModifyAABBInPool((double)par1, (double)(par2 + 1), (double)par3, (double)(par1 + 1), (double)(par2 + 2), (double)(par3 + 1))).iterator();
    488            EntityOcelot var6;
    489
    490            do
    491            {
    492                if (!var4.hasNext())
    493                {
    494                    return false;
    495                }
    496
    497                EntityOcelot var5 = (EntityOcelot)var4.next();
    498                var6 = (EntityOcelot)var5;
    499            }
    500            while (!var6.isSitting());
    501
    502            return true;
    503        }
    504    }