@Override
public void onNeighborBlockChange(World par1World, int par2, int par3, int par4, Block block) {
ChunkCoordinates coord =
getBase(par2, par3, par4, par1World.getBlockMetadata(par2, par3, par4));
if (par1World.getBlock(coord.posX, coord.posY, coord.posZ) != NailedBlocks.portalCrystal) {
this.dropBlockAsItem(par1World, par2, par3, par4, 0, 0);
par1World.setBlockToAir(par2, par3, par4);
}
super.onNeighborBlockChange(par1World, par2, par3, par4, block);
}
