BlockSlab.java

package net.minecraft.block;

import java.util.List;
import java.util.Random;
import net.minecraft.block.material.Material;
import net.minecraft.block.properties.IProperty;
import net.minecraft.block.properties.PropertyEnum;
import net.minecraft.block.state.IBlockState;
import net.minecraft.entity.Entity;
import net.minecraft.entity.EntityLivingBase;
import net.minecraft.item.ItemStack;
import net.minecraft.util.AxisAlignedBB;
import net.minecraft.util.BlockPos;
import net.minecraft.util.EnumFacing;
import net.minecraft.util.IStringSerializable;
import net.minecraft.world.IBlockAccess;
import net.minecraft.world.World;

public abstract class BlockSlab extends Block
{
    public static final PropertyEnum HALF_PROP = PropertyEnum.create("half", BlockSlab.EnumBlockHalf.class);
    private static final String __OBFID = "CL_00000253";

    public BlockSlab(Material p_i45714_1_)
    {
        super(p_i45714_1_);

        if (this.isDouble())
        {
            this.fullBlock = true;
        }
        else
        {
            this.setBlockBounds(0.0F, 0.0F, 0.0F, 1.0F, 0.5F, 1.0F);
        }

        this.setLightOpacity(255);
    }

    protected boolean canSilkHarvest()
    {
        return false;
    }

    public void setBlockBoundsBasedOnState(IBlockAccess access, BlockPos pos)
    {
        if (this.isDouble())
        {
            this.setBlockBounds(0.0F, 0.0F, 0.0F, 1.0F, 1.0F, 1.0F);
        }
        else
        {
            IBlockState var3 = access.getBlockState(pos);

            if (var3.getBlock() == this)
            {
                if (var3.getValue(HALF_PROP) == BlockSlab.EnumBlockHalf.TOP)
                {
                    this.setBlockBounds(0.0F, 0.5F, 0.0F, 1.0F, 1.0F, 1.0F);
                }
                else
                {
                    this.setBlockBounds(0.0F, 0.0F, 0.0F, 1.0F, 0.5F, 1.0F);
                }
            }
        }
    }

    /**
     * Sets the block's bounds for rendering it as an item
     */
    public void setBlockBoundsForItemRender()
    {
        if (this.isDouble())
        {
            this.setBlockBounds(0.0F, 0.0F, 0.0F, 1.0F, 1.0F, 1.0F);
        }
        else
        {
            this.setBlockBounds(0.0F, 0.0F, 0.0F, 1.0F, 0.5F, 1.0F);
        }
    }

    /**
     * Add all collision boxes of this Block to the list that intersect with the given mask.
     *  
     * @param collidingEntity the Entity colliding with this Block
     */
    public void addCollisionBoxesToList(World worldIn, BlockPos pos, IBlockState state, AxisAlignedBB mask, List list, Entity collidingEntity)
    {
        this.setBlockBoundsBasedOnState(worldIn, pos);
        super.addCollisionBoxesToList(worldIn, pos, state, mask, list, collidingEntity);
    }

    public boolean isOpaqueCube()
    {
        return this.isDouble();
    }

    public IBlockState onBlockPlaced(World worldIn, BlockPos pos, EnumFacing facing, float hitX, float hitY, float hitZ, int meta, EntityLivingBase placer)
    {
        IBlockState var9 = super.onBlockPlaced(worldIn, pos, facing, hitX, hitY, hitZ, meta, placer).withProperty(HALF_PROP, BlockSlab.EnumBlockHalf.BOTTOM);
        return this.isDouble() ? var9 : (facing != EnumFacing.DOWN && (facing == EnumFacing.UP || (double)hitY <= 0.5D) ? var9 : var9.withProperty(HALF_PROP, BlockSlab.EnumBlockHalf.TOP));
    }

    /**
     * Returns the quantity of items to drop on block destruction.
     */
    public int quantityDropped(Random random)
    {
        return this.isDouble() ? 2 : 1;
    }

    public boolean isFullCube()
    {
        return this.isDouble();
    }

    /**
     * Returns the slab block name with the type associated with it
     */
    public abstract String getFullSlabName(int p_150002_1_);

    public int getDamageValue(World worldIn, BlockPos pos)
    {
        return super.getDamageValue(worldIn, pos) & 7;
    }

    public abstract boolean isDouble();

    public abstract IProperty func_176551_l();

    public abstract Object func_176553_a(ItemStack p_176553_1_);

    public static enum EnumBlockHalf implements IStringSerializable
    {
        TOP("TOP", 0, "top"),
        BOTTOM("BOTTOM", 1, "bottom");
        private final String halfName;

        private static final BlockSlab.EnumBlockHalf[] $VALUES = new BlockSlab.EnumBlockHalf[]{TOP, BOTTOM};
        private static final String __OBFID = "CL_00002109";

        private EnumBlockHalf(String p_i45713_1_, int p_i45713_2_, String p_i45713_3_)
        {
            this.halfName = p_i45713_3_;
        }

        public String toString()
        {
            return this.halfName;
        }

        public String getName()
        {
            return this.halfName;
        }
    }
}