    001    package net.minecraft.item;
    002
    003    import net.minecraft.block.Block;
    004    import net.minecraft.creativetab.CreativeTabs;
    005    import net.minecraft.entity.player.EntityPlayer;
    006    import net.minecraft.world.World;
    007
    008    public class ItemRedstone extends Item
    009    {
    010        public ItemRedstone(int par1)
    011        {
    012            super(par1);
    013            this.setCreativeTab(CreativeTabs.tabRedstone);
    014        }
    015
    016        /**
    017         * Callback for item usage. If the item does something special on right clicking, he will have one of those. Return
    018         * True if something happen and false if it don't. This is for ITEMS, not BLOCKS
    019         */
    020        public boolean onItemUse(ItemStack par1ItemStack, EntityPlayer par2EntityPlayer, World par3World, int par4, int par5, int par6, int par7, float par8, float par9, float par10)
    021        {
    022            if (par3World.getBlockId(par4, par5, par6) != Block.snow.blockID)
    023            {
    024                if (par7 == 0)
    025                {
    026                    --par5;
    027                }
    028
    029                if (par7 == 1)
    030                {
    031                    ++par5;
    032                }
    033
    034                if (par7 == 2)
    035                {
    036                    --par6;
    037                }
    038
    039                if (par7 == 3)
    040                {
    041                    ++par6;
    042                }
    043
    044                if (par7 == 4)
    045                {
    046                    --par4;
    047                }
    048
    049                if (par7 == 5)
    050                {
    051                    ++par4;
    052                }
    053
    054                if (!par3World.isAirBlock(par4, par5, par6))
    055                {
    056                    return false;
    057                }
    058            }
    059
    060            if (!par2EntityPlayer.canPlayerEdit(par4, par5, par6, par7, par1ItemStack))
    061            {
    062                return false;
    063            }
    064            else
    065            {
    066                if (Block.redstoneWire.canPlaceBlockAt(par3World, par4, par5, par6))
    067                {
    068                    --par1ItemStack.stackSize;
    069                    par3World.setBlockWithNotify(par4, par5, par6, Block.redstoneWire.blockID);
    070                }
    071
    072                return true;
    073            }
    074        }
    075    }