    001    package net.minecraft.block;
    002
    003    import cpw.mods.fml.relauncher.Side;
    004    import cpw.mods.fml.relauncher.SideOnly;
    005    import net.minecraft.block.material.Material;
    006    import net.minecraft.world.IBlockAccess;
    007
    008    public class BlockBreakable extends Block
    009    {
    010        private boolean localFlag;
    011
    012        protected BlockBreakable(int par1, int par2, Material par3Material, boolean par4)
    013        {
    014            super(par1, par2, par3Material);
    015            this.localFlag = par4;
    016        }
    017
    018        /**
    019         * Is this block (a) opaque and (b) a full 1m cube?  This determines whether or not to render the shared face of two
    020         * adjacent blocks and also whether the player can attach torches, redstone wire, etc to this block.
    021         */
    022        public boolean isOpaqueCube()
    023        {
    024            return false;
    025        }
    026
    027        @SideOnly(Side.CLIENT)
    028
    029        /**
    030         * Returns true if the given side of this block type should be rendered, if the adjacent block is at the given
    031         * coordinates.  Args: blockAccess, x, y, z, side
    032         */
    033        public boolean shouldSideBeRendered(IBlockAccess par1IBlockAccess, int par2, int par3, int par4, int par5)
    034        {
    035            int var6 = par1IBlockAccess.getBlockId(par2, par3, par4);
    036            return !this.localFlag && var6 == this.blockID ? false : super.shouldSideBeRendered(par1IBlockAccess, par2, par3, par4, par5);
    037        }
    038    }