code: private IItemRenderer getItemRendererOverride(ItemStack itemStack)
  	{
  		for (ItemRendererOverride overrides : itemRendererOverrides)
  		{
  			IItemRenderer renderer = overrides.get(itemStack);
  			if (renderer != null)
  				return renderer;
  		}
  
  		return null;
  	}
docs: Gets the {@link ItemRendererOverride} for the {@link ItemStack}.
  
  @param itemStack the item stack
  @return the item renderer override