side example

  public int getBlockTextureFromSideAndMetadata(int side, int md) {
    if (md == 0)
    {
      if(side == 0 || side == 1)
      {
        return blockIndexInTexture+1;
      } else
      {
        return blockIndexInTexture;
      }
    }
    return blockIndexInTexture;
  }