Chisel/src/main/java/info/jbcs/minecraft/chisel/block/BlockMarbleSlab.java

package info.jbcs.minecraft.chisel.block;

import java.util.List;
import java.util.Random;

import net.minecraft.block.Block;
import net.minecraft.creativetab.CreativeTabs;
import net.minecraft.entity.Entity;
import net.minecraft.item.Item;
import net.minecraft.item.ItemStack;
import net.minecraft.util.AxisAlignedBB;
import net.minecraft.util.IIcon;
import net.minecraft.util.MovingObjectPosition;
import net.minecraft.world.IBlockAccess;
import net.minecraft.world.World;
import cpw.mods.fml.relauncher.Side;
import cpw.mods.fml.relauncher.SideOnly;

public class BlockMarbleSlab extends BlockCarvable {
	public Block master;
	public BlockMarbleSlab bottom;
	public BlockMarbleSlab top;
	public boolean isBottom;

	public BlockMarbleSlab(BlockCarvable marble) {
        opaque = true;
        
		setBlockBounds(0.0F, 0.0F, 0.0F, 1.0F, 0.5F, 1.0F);
	
		master = marble;
		bottom = this;
		top = new BlockMarbleSlab(this);

		isBottom = true;
	}

	public BlockMarbleSlab(BlockMarbleSlab bottomBlock) {
		super();
		
		setBlockBounds(0.0F, 0.5F, 0.0F, 1.0F, 1.0F, 1.0F);

		master = bottomBlock.master;
		bottom = bottomBlock;
		top = this;
		
		carverHelper=bottomBlock.carverHelper;
		isBottom=false;
	}

	@Override
	public void setBlockBoundsBasedOnState(IBlockAccess par1IBlockAccess, int par2, int par3, int par4) {
		if (isBottom) {
			setBlockBounds(0.0F, 0.0F, 0.0F, 1.0F, 0.5F, 1.0F);
		} else {
			setBlockBounds(0.0F, 0.5F, 0.0F, 1.0F, 1.0F, 1.0F);
		}
	}

	@Override
	public void setBlockBoundsForItemRender() {
		setBlockBounds(0.0F, 0.0F, 0.0F, 1.0F, 0.5F, 1.0F);
	}

	@Override
	public void addCollisionBoxesToList(World par1World, int par2, int par3, int par4, AxisAlignedBB par5AxisAlignedBB, List par6List, Entity par7Entity) {
		setBlockBoundsBasedOnState(par1World, par2, par3, par4);
		super.addCollisionBoxesToList(par1World, par2, par3, par4, par5AxisAlignedBB, par6List, par7Entity);
	}

	@Override
	public boolean isOpaqueCube() {
		return false;
	}

	@Override
	public int damageDropped(int meta) {
		return meta;
	}

	@Override
	public Item getItemDropped(int par1, Random par2Random, int par3) {
		return Item.getItemFromBlock(bottom);
	}

	@Override
	public boolean renderAsNormalBlock() {
		return false;
	}

	@Override
	@SideOnly(Side.CLIENT)
	public ItemStack getPickBlock(MovingObjectPosition mop, World world, int x, int y, int z) {
		return new ItemStack(bottom, 1, world.getBlockMetadata(x, y, z));
	}
	
	@Override
	public IIcon getIcon(int side, int metadata) {
		return carverHelper.getIcon(side, metadata);
//		return master.getIcon(side, metadata);
	}

    @Override
	public void getSubBlocks(Item block, CreativeTabs tabs, List list){
		if(isBottom) super.getSubBlocks(block,tabs,list);
    }
	
}