I'm doing SOMETHING horribly wrong

package com.arisux.avp.block;

import java.util.Random;

import com.arisux.avp.entities.tile.PoweredTileEntity;
import com.arisux.avp.entities.tile.TileEntityBlastdoor;

import net.minecraft.block.Block;
import net.minecraft.block.material.Material;
import net.minecraft.entity.Entity;
import net.minecraft.entity.player.EntityPlayer;
import net.minecraft.util.AxisAlignedBB;
import net.minecraft.world.World;

public class GhostBlock extends Block
    {
        private Block parentBlock;
        private PoweredTileEntity parentTileEntity;
        public boolean canCollide;

        public GhostBlock()
        {
            super(Material.iron);
            setTickRandomly(true);
        }

        @Override
        public int getRenderType()
        {
            return -1;
        }

        @Override
        public void updateTick(World worldIn, int x, int y, int z, Random rand)
        {
            getParentBlock(worldIn, x, y, z);
        }

        public Block getParentBlock(World world, int xPos, int yPos, int zPos)
        {
            for(int x = xPos + 1; x <= (3 + xPos); x++)
            {
                if(world.getTileEntity(x, yPos, zPos) instanceof TileEntityBlastdoor)
                {
                    TileEntityBlastdoor te = (TileEntityBlastdoor) world.getTileEntity(x, yPos, zPos);
                    parentTileEntity = te;
                    BlockBlastdoor b = (BlockBlastdoor) world.getBlock(x, yPos, zPos);
                    parentBlock = b;
                    return parentBlock;
                }
                for(int y = yPos + 1; y <= (3 + yPos); y++)
                {
                    if(world.getTileEntity(x, y, zPos) instanceof TileEntityBlastdoor)
                    {
                        TileEntityBlastdoor te = (TileEntityBlastdoor) world.getTileEntity(x, y, zPos);
                        parentTileEntity = te;
                        BlockBlastdoor b = (BlockBlastdoor) world.getBlock(x, y, zPos);
                        parentBlock = b;
                        return parentBlock;
                    }
                    for(int z = zPos + 1; z <= (3 + zPos); z++)
                    {
                        if(world.getTileEntity(x, y, z) instanceof TileEntityBlastdoor)
                        {
                            TileEntityBlastdoor te = (TileEntityBlastdoor) world.getTileEntity(x, y, z);
                            parentTileEntity = te;
                            BlockBlastdoor b = (BlockBlastdoor) world.getBlock(x, y, z);
                            parentBlock = b;
                            return parentBlock;
                        }
                    }
                }
            }

            for(int x = xPos - 1; x >= (xPos - 3); x--)
            {
                if(world.getTileEntity(x, yPos, zPos) instanceof TileEntityBlastdoor)
                {
                    TileEntityBlastdoor te = (TileEntityBlastdoor) world.getTileEntity(x, yPos, zPos);
                    parentTileEntity = te;
                    BlockBlastdoor b = (BlockBlastdoor) world.getBlock(x, yPos, zPos);
                    parentBlock = b;
                    return parentBlock;
                }
                for(int y = yPos - 1; y >= (yPos - 3); y--)
                {
                    if(world.getTileEntity(x, y, zPos) instanceof TileEntityBlastdoor)
                    {
                        TileEntityBlastdoor te = (TileEntityBlastdoor) world.getTileEntity(x, y, zPos);
                        parentTileEntity = te;
                            BlockBlastdoor b = (BlockBlastdoor) world.getBlock(x, y, zPos);
                            parentBlock = b;
                            return parentBlock;
                    }
                    for(int z = zPos - 1; z >= (zPos - 3); z--)
                    {
                        if(world.getTileEntity(x, y, z) instanceof TileEntityBlastdoor)
                        {
                            TileEntityBlastdoor te = (TileEntityBlastdoor) world.getTileEntity(x, y, z);
                            parentTileEntity = te;
                                BlockBlastdoor b = (BlockBlastdoor) world.getBlock(x, y, z);
                                parentBlock = b;
                                return parentBlock;
                        }
                    }
                }
            }
            return parentBlock;
        }

        @Override
        public boolean onBlockActivated(World world, int posX, int posY, int posZ, EntityPlayer player, int side, float subX, float subY, float subZ)
        {
            getParentBlock(world, posX, posY, posZ);
            try
            {
                return parentBlock.onBlockActivated(world, parentTileEntity.xCoord, parentTileEntity.yCoord, parentTileEntity.zCoord, player, side, subX, subY, subZ);
            }
            catch(NullPointerException e)
            {

            }
            return true;
        }
        @Override
        public AxisAlignedBB getCollisionBoundingBoxFromPool(World p_149668_1_, int p_149668_2_, int p_149668_3_, int p_149668_4_)
        {
            //if(this.parentBlock != null && this.parentTileEntity != null)
            //{
                //TileEntityBlastdoor te = (TileEntityBlastdoor) this.parentTileEntity;
                //if(te.isDoorOpen())
                //{
                    return null;
                //}
                //else
                //{
                //  return AxisAlignedBB.getBoundingBox((double)p_149668_2_ + this.minX, (double)p_149668_3_ + this.minY, (double)p_149668_4_ + this.minZ, (double)p_149668_2_ + this.maxX, (double)p_149668_3_ + this.maxY, (double)p_149668_4_ + this.maxZ);
                //}
            //}
            //return AxisAlignedBB.getBoundingBox((double)p_149668_2_ + this.minX, (double)p_149668_3_ + this.minY, (double)p_149668_4_ + this.minZ, (double)p_149668_2_ + this.maxX, (double)p_149668_3_ + this.maxY, (double)p_149668_4_ + this.maxZ);
        }

        @Override
        public void breakBlock(World world, int posX, int posY, int posZ, Block blockBroken, int meta)
        {
            //getParentBlock(world, posX, posY, posZ);
            if(parentBlock != null && parentTileEntity != null)
            {
            try
            {
                TileEntityBlastdoor te = (TileEntityBlastdoor) parentTileEntity;
                if(!te.isDoorOpen())
                {
                    parentBlock.breakBlock(world, parentTileEntity.xCoord, parentTileEntity.yCoord, parentTileEntity.zCoord, blockBroken, meta);
                }
            }
            catch(NullPointerException e)
            {

            }
            }
            else
            {
                getParentBlock(world, posX, posY, posZ);
                try
                {
                    TileEntityBlastdoor te = (TileEntityBlastdoor) parentTileEntity;
                    if(!te.isDoorOpen())
                    {
                        parentBlock.breakBlock(world, parentTileEntity.xCoord, parentTileEntity.yCoord, parentTileEntity.zCoord, blockBroken, meta);
                    }
                }
                catch(NullPointerException e)
                {

                }
            }
        }
    }