    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.List;
    006
    007    public class ItemBlock extends Item
    008    {
    009        /** The block ID of the Block associated with this ItemBlock */
    010        private int blockID;
    011
    012        public ItemBlock(int par1)
    013        {
    014            super(par1);
    015            this.blockID = par1 + 256;
    016            this.setIconIndex(Block.blocksList[par1 + 256].getBlockTextureFromSide(2));
    017            isDefaultTexture = Block.blocksList[par1 + 256].isDefaultTexture;
    018        }
    019
    020        /**
    021         * Returns the blockID for this Item
    022         */
    023        public int getBlockID()
    024        {
    025            return this.blockID;
    026        }
    027
    028        /**
    029         * Callback for item usage. If the item does something special on right clicking, he will have one of those. Return
    030         * True if something happen and false if it don't. This is for ITEMS, not BLOCKS
    031         */
    032        public boolean onItemUse(ItemStack par1ItemStack, EntityPlayer par2EntityPlayer, World par3World, int par4, int par5, int par6, int par7, float par8, float par9, float par10)
    033        {
    034            int var11 = par3World.getBlockId(par4, par5, par6);
    035
    036            if (var11 == Block.snow.blockID)
    037            {
    038                par7 = 1;
    039            }
    040            else if (var11 != Block.vine.blockID && var11 != Block.tallGrass.blockID && var11 != Block.deadBush.blockID
    041                    && (Block.blocksList[var11] == null || !Block.blocksList[var11].isBlockReplaceable(par3World, par4, par5, par6)))
    042            {
    043                if (par7 == 0)
    044                {
    045                    --par5;
    046                }
    047
    048                if (par7 == 1)
    049                {
    050                    ++par5;
    051                }
    052
    053                if (par7 == 2)
    054                {
    055                    --par6;
    056                }
    057
    058                if (par7 == 3)
    059                {
    060                    ++par6;
    061                }
    062
    063                if (par7 == 4)
    064                {
    065                    --par4;
    066                }
    067
    068                if (par7 == 5)
    069                {
    070                    ++par4;
    071                }
    072            }
    073
    074            if (par1ItemStack.stackSize == 0)
    075            {
    076                return false;
    077            }
    078            else if (!par2EntityPlayer.canPlayerEdit(par4, par5, par6))
    079            {
    080                return false;
    081            }
    082            else if (par5 == 255 && Block.blocksList[this.blockID].blockMaterial.isSolid())
    083            {
    084                return false;
    085            }
    086            else if (par3World.canPlaceEntityOnSide(this.blockID, par4, par5, par6, false, par7, par2EntityPlayer))
    087            {
    088                Block var12 = Block.blocksList[this.blockID];
    089
    090                if (placeBlockAt(par1ItemStack, par2EntityPlayer, par3World, par4, par5, par6, par7, par8, par9, par10))
    091                {
    092                    par3World.playSoundEffect((double)((float)par4 + 0.5F), (double)((float)par5 + 0.5F), (double)((float)par6 + 0.5F), var12.stepSound.getStepSound(), (var12.stepSound.getVolume() + 1.0F) / 2.0F, var12.stepSound.getPitch() * 0.8F);
    093                    --par1ItemStack.stackSize;
    094                }
    095
    096                return true;
    097            }
    098            else
    099            {
    100                return false;
    101            }
    102        }
    103
    104        @SideOnly(Side.CLIENT)
    105
    106        /**
    107         * Returns true if the given ItemBlock can be placed on the given side of the given block position.
    108         */
    109        public boolean canPlaceItemBlockOnSide(World par1World, int par2, int par3, int par4, int par5, EntityPlayer par6EntityPlayer, ItemStack par7ItemStack)
    110        {
    111            int var8 = par1World.getBlockId(par2, par3, par4);
    112
    113            if (var8 == Block.snow.blockID)
    114            {
    115                par5 = 1;
    116            }
    117            else if (var8 != Block.vine.blockID && var8 != Block.tallGrass.blockID && var8 != Block.deadBush.blockID
    118                    && (Block.blocksList[var8] == null || !Block.blocksList[var8].isBlockReplaceable(par1World, par2, par3, par4)))
    119            {
    120                if (par5 == 0)
    121                {
    122                    --par3;
    123                }
    124
    125                if (par5 == 1)
    126                {
    127                    ++par3;
    128                }
    129
    130                if (par5 == 2)
    131                {
    132                    --par4;
    133                }
    134
    135                if (par5 == 3)
    136                {
    137                    ++par4;
    138                }
    139
    140                if (par5 == 4)
    141                {
    142                    --par2;
    143                }
    144
    145                if (par5 == 5)
    146                {
    147                    ++par2;
    148                }
    149            }
    150
    151            return par1World.canPlaceEntityOnSide(this.getBlockID(), par2, par3, par4, false, par5, (Entity)null);
    152        }
    153
    154        public String getItemNameIS(ItemStack par1ItemStack)
    155        {
    156            return Block.blocksList[this.blockID].getBlockName();
    157        }
    158
    159        public String getItemName()
    160        {
    161            return Block.blocksList[this.blockID].getBlockName();
    162        }
    163
    164        @SideOnly(Side.CLIENT)
    165
    166        /**
    167         * gets the CreativeTab this item is displayed on
    168         */
    169        public CreativeTabs getCreativeTab()
    170        {
    171            return Block.blocksList[this.blockID].getCreativeTabToDisplayOn();
    172        }
    173
    174        @SideOnly(Side.CLIENT)
    175
    176        /**
    177         * returns a list of items with the same ID, but different meta (eg: dye returns 16 items)
    178         */
    179        public void getSubItems(int par1, CreativeTabs par2CreativeTabs, List par3List)
    180        {
    181            Block.blocksList[this.blockID].getSubBlocks(par1, par2CreativeTabs, par3List);
    182        }
    183
    184        /**
    185         * Called to actually place the block, after the location is determined
    186         * and all permission checks have been made.
    187         *
    188         * @param stack The item stack that was used to place the block. This can be changed inside the method.
    189         * @param player The player who is placing the block. Can be null if the block is not being placed by a player.
    190         * @param side The side the player (or machine) right-clicked on.
    191         */
    192        public boolean placeBlockAt(ItemStack stack, EntityPlayer player, World world, int x, int y, int z, int side, float hitX, float hitY, float hitZ)
    193        {
    194           if (!world.setBlockAndMetadataWithNotify(x, y, z, this.blockID, this.getMetadata(stack.getItemDamage())))
    195           {
    196                   return false;
    197           }
    198
    199           if (world.getBlockId(x, y, z) == this.blockID)
    200           {
    201               Block.blocksList[this.blockID].updateBlockMetadata(world, x, y, z, side, hitX, hitY, hitZ);
    202               Block.blocksList[this.blockID].onBlockPlacedBy(world, x, y, z, player);
    203           }
    204
    205           return true;
    206        }
    207    }