code: public static void registerRenderable(IBlockAccess world, BlockPos pos, AnimatedModelComponent amc)
  	{
  		IAnimatedRenderable r = animatedRenderables.get(pos);
  		if (r == null)
  			animatedRenderables.put(pos, amc.createRenderable(world, pos));
  	}
docs: Registers the {@link AnimatedModelComponent} at the specified position if there isn't already one.
  
  @param pos the pos
  @param amc the amc