equivalent-exchange-3/src/main/java/com/pahimar/ee3/block/BlockTransmutationTablet.java

package com.pahimar.ee3.block;

import com.pahimar.ee3.EquivalentExchange3;
import com.pahimar.ee3.init.ModBlocks;
import com.pahimar.ee3.reference.GUIs;
import com.pahimar.ee3.reference.Names;
import com.pahimar.ee3.reference.RenderIds;
import com.pahimar.ee3.tileentity.TileEntityTransmutationTablet;
import net.minecraft.block.material.Material;
import net.minecraft.entity.player.EntityPlayer;
import net.minecraft.item.Item;
import net.minecraft.tileentity.TileEntity;
import net.minecraft.world.IBlockAccess;
import net.minecraft.world.World;

import java.util.Random;

public class BlockTransmutationTablet extends BlockTileEntityEE
{
    public BlockTransmutationTablet()
    {
        super(Material.rock);
        setCreativeTab(null);
        this.setHardness(2.0f);
        this.setBlockName(Names.Blocks.TRANSMUTATION_TABLET);
    }

    @Override
    public void setBlockBoundsBasedOnState(IBlockAccess iBlockAccess, int x, int y, int z)
    {
        if (isStructureValid(iBlockAccess, x, y, z))
        {
            this.setBlockBounds(0f, 0f, 0f, 1f, 0.625f, 1f);
        }
        else
        {
            this.setBlockBounds(0f, 0f, 0f, 1f, 0.5f, 1f);
        }
    }

    @Override
    public Item getItemDropped(int p_149650_1_, Random p_149650_2_, int p_149650_3_)
    {
        return Item.getItemFromBlock(ModBlocks.ashInfusedStoneSlab);
    }

    @Override
    public boolean onBlockActivated(World world, int x, int y, int z, EntityPlayer entityPlayer, int sideHit, float hitX, float hitY, float hitZ)
    {
        if (entityPlayer.isSneaking())
        {
            return false;
        }
        else
        {
            if (!world.isRemote)
            {
                if (world.getTileEntity(x, y, z) instanceof TileEntityTransmutationTablet && isStructureValid(world, x, y, z))
                {
                    entityPlayer.openGui(EquivalentExchange3.instance, GUIs.TRANSMUTATION_TABLET.ordinal(), world, x, y, z);
                }
            }

            return true;
        }
    }

    @Override
    public int onBlockPlaced(World world, int x, int y, int z, int sideHit, float hitX, float hitY, float hitZ, int metaData)
    {
        return metaData;
    }

    @Override
    public TileEntity createNewTileEntity(World world, int metaData)
    {
        return new TileEntityTransmutationTablet();
    }

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

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

    @Override
    public int getRenderType()
    {
        return RenderIds.tabletSlab;
    }

    private boolean isStructureValid(IBlockAccess iBlockAcces, int xCoord, int yCoord, int zCoord)
    {
        return ((iBlockAcces.getBlock(xCoord - 1, yCoord, zCoord - 1) instanceof BlockAshInfusedStoneSlab && iBlockAcces.getBlockMetadata(xCoord - 1, yCoord, zCoord - 1) == 1) &&
                (iBlockAcces.getBlock(xCoord, yCoord, zCoord - 1) instanceof BlockAshInfusedStoneSlab && iBlockAcces.getBlockMetadata(xCoord, yCoord, zCoord - 1) == 2) &&
                (iBlockAcces.getBlock(xCoord + 1, yCoord, zCoord - 1) instanceof BlockAshInfusedStoneSlab && iBlockAcces.getBlockMetadata(xCoord + 1, yCoord, zCoord - 1) == 3) &&
                (iBlockAcces.getBlock(xCoord - 1, yCoord, zCoord) instanceof BlockAshInfusedStoneSlab && iBlockAcces.getBlockMetadata(xCoord - 1, yCoord, zCoord) == 4) &&
                (iBlockAcces.getBlock(xCoord + 1, yCoord, zCoord) instanceof BlockAshInfusedStoneSlab && iBlockAcces.getBlockMetadata(xCoord + 1, yCoord, zCoord) == 5) &&
                (iBlockAcces.getBlock(xCoord - 1, yCoord, zCoord + 1) instanceof BlockAshInfusedStoneSlab && iBlockAcces.getBlockMetadata(xCoord - 1, yCoord, zCoord + 1) == 6) &&
                (iBlockAcces.getBlock(xCoord, yCoord, zCoord + 1) instanceof BlockAshInfusedStoneSlab && iBlockAcces.getBlockMetadata(xCoord, yCoord, zCoord + 1) == 7) &&
                (iBlockAcces.getBlock(xCoord + 1, yCoord, zCoord + 1) instanceof BlockAshInfusedStoneSlab && iBlockAcces.getBlockMetadata(xCoord + 1, yCoord, zCoord + 1) == 8));
    }
}