    001    package net.minecraft.item;
    002
    003    import cpw.mods.fml.common.Side;
    004    import cpw.mods.fml.common.asm.SideOnly;
    005    import java.util.List;
    006    import net.minecraft.block.Block;
    007    import net.minecraft.creativetab.CreativeTabs;
    008    import net.minecraft.entity.Entity;
    009    import net.minecraft.entity.player.EntityPlayer;
    010    import net.minecraft.world.World;
    011
    012    public class ItemBlock extends Item
    013    {
    014        /** The block ID of the Block associated with this ItemBlock */
    015        private int blockID;
    016
    017        public ItemBlock(int par1)
    018        {
    019            super(par1);
    020            this.blockID = par1 + 256;
    021            this.setIconIndex(Block.blocksList[par1 + 256].getBlockTextureFromSide(2));
    022            isDefaultTexture = Block.blocksList[par1 + 256].isDefaultTexture;
    023        }
    024
    025        /**
    026         * Returns the blockID for this Item
    027         */
    028        public int getBlockID()
    029        {
    030            return this.blockID;
    031        }
    032
    033        /**
    034         * Callback for item usage. If the item does something special on right clicking, he will have one of those. Return
    035         * True if something happen and false if it don't. This is for ITEMS, not BLOCKS
    036         */
    037        public boolean onItemUse(ItemStack par1ItemStack, EntityPlayer par2EntityPlayer, World par3World, int par4, int par5, int par6, int par7, float par8, float par9, float par10)
    038        {
    039            int var11 = par3World.getBlockId(par4, par5, par6);
    040
    041            if (var11 == Block.snow.blockID)
    042            {
    043                par7 = 1;
    044            }
    045            else if (var11 != Block.vine.blockID && var11 != Block.tallGrass.blockID && var11 != Block.deadBush.blockID
    046                    && (Block.blocksList[var11] == null || !Block.blocksList[var11].isBlockReplaceable(par3World, par4, par5, par6)))
    047            {
    048                if (par7 == 0)
    049                {
    050                    --par5;
    051                }
    052
    053                if (par7 == 1)
    054                {
    055                    ++par5;
    056                }
    057
    058                if (par7 == 2)
    059                {
    060                    --par6;
    061                }
    062
    063                if (par7 == 3)
    064                {
    065                    ++par6;
    066                }
    067
    068                if (par7 == 4)
    069                {
    070                    --par4;
    071                }
    072
    073                if (par7 == 5)
    074                {
    075                    ++par4;
    076                }
    077            }
    078
    079            if (par1ItemStack.stackSize == 0)
    080            {
    081                return false;
    082            }
    083            else if (!par2EntityPlayer.canPlayerEdit(par4, par5, par6, par7, par1ItemStack))
    084            {
    085                return false;
    086            }
    087            else if (par5 == 255 && Block.blocksList[this.blockID].blockMaterial.isSolid())
    088            {
    089                return false;
    090            }
    091            else if (par3World.canPlaceEntityOnSide(this.blockID, par4, par5, par6, false, par7, par2EntityPlayer))
    092            {
    093                Block var12 = Block.blocksList[this.blockID];
    094                int var13 = this.getMetadata(par1ItemStack.getItemDamage());
    095                int var14 = Block.blocksList[this.blockID].func_85104_a(par3World, par4, par5, par6, par7, par8, par9, par10, var13);
    096
    097                if (placeBlockAt(par1ItemStack, par2EntityPlayer, par3World, par4, par5, par6, par7, par8, par9, par10, var14))
    098                {
    099                    par3World.playSoundEffect((double)((float)par4 + 0.5F), (double)((float)par5 + 0.5F), (double)((float)par6 + 0.5F), var12.stepSound.getPlaceSound(), (var12.stepSound.getVolume() + 1.0F) / 2.0F, var12.stepSound.getPitch() * 0.8F);
    100                    --par1ItemStack.stackSize;
    101                }
    102
    103                return true;
    104            }
    105            else
    106            {
    107                return false;
    108            }
    109        }
    110
    111        @SideOnly(Side.CLIENT)
    112
    113        /**
    114         * Returns true if the given ItemBlock can be placed on the given side of the given block position.
    115         */
    116        public boolean canPlaceItemBlockOnSide(World par1World, int par2, int par3, int par4, int par5, EntityPlayer par6EntityPlayer, ItemStack par7ItemStack)
    117        {
    118            int var8 = par1World.getBlockId(par2, par3, par4);
    119
    120            if (var8 == Block.snow.blockID)
    121            {
    122                par5 = 1;
    123            }
    124            else if (var8 != Block.vine.blockID && var8 != Block.tallGrass.blockID && var8 != Block.deadBush.blockID
    125                    && (Block.blocksList[var8] == null || !Block.blocksList[var8].isBlockReplaceable(par1World, par2, par3, par4)))
    126            {
    127                if (par5 == 0)
    128                {
    129                    --par3;
    130                }
    131
    132                if (par5 == 1)
    133                {
    134                    ++par3;
    135                }
    136
    137                if (par5 == 2)
    138                {
    139                    --par4;
    140                }
    141
    142                if (par5 == 3)
    143                {
    144                    ++par4;
    145                }
    146
    147                if (par5 == 4)
    148                {
    149                    --par2;
    150                }
    151
    152                if (par5 == 5)
    153                {
    154                    ++par2;
    155                }
    156            }
    157
    158            return par1World.canPlaceEntityOnSide(this.getBlockID(), par2, par3, par4, false, par5, (Entity)null);
    159        }
    160
    161        public String getItemNameIS(ItemStack par1ItemStack)
    162        {
    163            return Block.blocksList[this.blockID].getBlockName();
    164        }
    165
    166        public String getItemName()
    167        {
    168            return Block.blocksList[this.blockID].getBlockName();
    169        }
    170
    171        @SideOnly(Side.CLIENT)
    172
    173        /**
    174         * gets the CreativeTab this item is displayed on
    175         */
    176        public CreativeTabs getCreativeTab()
    177        {
    178            return Block.blocksList[this.blockID].getCreativeTabToDisplayOn();
    179        }
    180
    181        @SideOnly(Side.CLIENT)
    182
    183        /**
    184         * returns a list of items with the same ID, but different meta (eg: dye returns 16 items)
    185         */
    186        public void getSubItems(int par1, CreativeTabs par2CreativeTabs, List par3List)
    187        {
    188            Block.blocksList[this.blockID].getSubBlocks(par1, par2CreativeTabs, par3List);
    189        }
    190
    191        /**
    192         * Called to actually place the block, after the location is determined
    193         * and all permission checks have been made.
    194         *
    195         * @param stack The item stack that was used to place the block. This can be changed inside the method.
    196         * @param player The player who is placing the block. Can be null if the block is not being placed by a player.
    197         * @param side The side the player (or machine) right-clicked on.
    198         */
    199        public boolean placeBlockAt(ItemStack stack, EntityPlayer player, World world, int x, int y, int z, int side, float hitX, float hitY, float hitZ, int metadata)
    200        {
    201           if (!world.setBlockAndMetadataWithNotify(x, y, z, this.blockID, metadata))
    202           {
    203                   return false;
    204           }
    205
    206           if (world.getBlockId(x, y, z) == this.blockID)
    207           {
    208               Block.blocksList[this.blockID].onBlockPlacedBy(world, x, y, z, player);
    209               Block.blocksList[this.blockID].func_85105_g(world, x, y, z, metadata);
    210           }
    211
    212           return true;
    213        }
    214    }