BlockRotatedRenderer

@Override
    public boolean renderWorldBlock(IBlockAccess world, int x, int y, int z, Block block, int modelId, RenderBlocks renderer)
    {
        renderer.setRenderBoundsFromBlock(block);

        if (block instanceof IRotatedBox)
        {
            renderer.renderAllFaces = true;
            int metadata = world.getBlockMetadata(x, y, z);
            int rot = ((IRotatedBox)block).getRotation(metadata);

            if (rot == 1)
            {
                renderer.uvRotateTop = 1;
            }
            else if (rot == 2)
            {
                renderer.uvRotateTop = 3;
            }
            else if (rot == 3)
            {
                renderer.uvRotateTop = 2;
            }

            boolean flag = renderer.renderStandardBlock(block, x, y, z);
            renderer.uvRotateSouth = 0;
            renderer.uvRotateEast = 0;
            renderer.uvRotateWest = 0;
            renderer.uvRotateNorth = 0;
            renderer.uvRotateTop = 0;
            renderer.uvRotateBottom = 0;

            return flag;
        }

        return false;
    }