    001    package net.minecraft.block;
    002
    003    import cpw.mods.fml.common.Side;
    004    import cpw.mods.fml.common.asm.SideOnly;
    005    import java.util.Random;
    006    import net.minecraft.block.material.Material;
    007    import net.minecraft.creativetab.CreativeTabs;
    008    import net.minecraft.entity.player.EntityPlayer;
    009    import net.minecraft.tileentity.TileEntity;
    010    import net.minecraft.tileentity.TileEntityEnchantmentTable;
    011    import net.minecraft.world.World;
    012
    013    public class BlockEnchantmentTable extends BlockContainer
    014    {
    015        protected BlockEnchantmentTable(int par1)
    016        {
    017            super(par1, 166, Material.rock);
    018            this.setBlockBounds(0.0F, 0.0F, 0.0F, 1.0F, 0.75F, 1.0F);
    019            this.setLightOpacity(0);
    020            this.setCreativeTab(CreativeTabs.tabDecorations);
    021        }
    022
    023        /**
    024         * If this block doesn't render as an ordinary block it will return False (examples: signs, buttons, stairs, etc)
    025         */
    026        public boolean renderAsNormalBlock()
    027        {
    028            return false;
    029        }
    030
    031        @SideOnly(Side.CLIENT)
    032
    033        /**
    034         * A randomly called display update to be able to add particles or other items for display
    035         */
    036        public void randomDisplayTick(World par1World, int par2, int par3, int par4, Random par5Random)
    037        {
    038            super.randomDisplayTick(par1World, par2, par3, par4, par5Random);
    039
    040            for (int var6 = par2 - 2; var6 <= par2 + 2; ++var6)
    041            {
    042                for (int var7 = par4 - 2; var7 <= par4 + 2; ++var7)
    043                {
    044                    if (var6 > par2 - 2 && var6 < par2 + 2 && var7 == par4 - 1)
    045                    {
    046                        var7 = par4 + 2;
    047                    }
    048
    049                    if (par5Random.nextInt(16) == 0)
    050                    {
    051                        for (int var8 = par3; var8 <= par3 + 1; ++var8)
    052                        {
    053                            if (par1World.getBlockId(var6, var8, var7) == Block.bookShelf.blockID)
    054                            {
    055                                if (!par1World.isAirBlock((var6 - par2) / 2 + par2, var8, (var7 - par4) / 2 + par4))
    056                                {
    057                                    break;
    058                                }
    059
    060                                par1World.spawnParticle("enchantmenttable", (double)par2 + 0.5D, (double)par3 + 2.0D, (double)par4 + 0.5D, (double)((float)(var6 - par2) + par5Random.nextFloat()) - 0.5D, (double)((float)(var8 - par3) - par5Random.nextFloat() - 1.0F), (double)((float)(var7 - par4) + par5Random.nextFloat()) - 0.5D);
    061                            }
    062                        }
    063                    }
    064                }
    065            }
    066        }
    067
    068        /**
    069         * Is this block (a) opaque and (b) a full 1m cube?  This determines whether or not to render the shared face of two
    070         * adjacent blocks and also whether the player can attach torches, redstone wire, etc to this block.
    071         */
    072        public boolean isOpaqueCube()
    073        {
    074            return false;
    075        }
    076
    077        /**
    078         * From the specified side and block metadata retrieves the blocks texture. Args: side, metadata
    079         */
    080        public int getBlockTextureFromSideAndMetadata(int par1, int par2)
    081        {
    082            return this.getBlockTextureFromSide(par1);
    083        }
    084
    085        /**
    086         * Returns the block texture based on the side being looked at.  Args: side
    087         */
    088        public int getBlockTextureFromSide(int par1)
    089        {
    090            return par1 == 0 ? this.blockIndexInTexture + 17 : (par1 == 1 ? this.blockIndexInTexture : this.blockIndexInTexture + 16);
    091        }
    092
    093        /**
    094         * Returns a new instance of a block's tile entity class. Called on placing the block.
    095         */
    096        public TileEntity createNewTileEntity(World par1World)
    097        {
    098            return new TileEntityEnchantmentTable();
    099        }
    100
    101        /**
    102         * Called upon block activation (right click on the block.)
    103         */
    104        public boolean onBlockActivated(World par1World, int par2, int par3, int par4, EntityPlayer par5EntityPlayer, int par6, float par7, float par8, float par9)
    105        {
    106            if (par1World.isRemote)
    107            {
    108                return true;
    109            }
    110            else
    111            {
    112                par5EntityPlayer.displayGUIEnchantment(par2, par3, par4);
    113                return true;
    114            }
    115        }
    116    }