//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
// Create the Blender session and all Octane session data structures
//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
void BlenderSession::create_session() {
	SessionParams session_params    = BlenderSync::get_session_params(b_engine, b_userpref, b_scene, interactive);
    session_params.width            = width;
    session_params.height           = height;

    BL::RenderSettings r    = b_scene.render();
    motion_blur             = r.use_motion_blur();
    shuttertime             = r.motion_blur_shutter();
    mb_samples              = r.motion_blur_samples();
    mb_cur_sample           = 0;
    mb_sample_in_work       = 0;

    PointerRNA oct_scene    = RNA_pointer_get(&b_scene.ptr, "octane");
    mb_type                 = static_cast<MotionBlurType>(RNA_enum_get(&oct_scene, "mb_type"));
    mb_direction            = static_cast<MotionBlurDirection>(RNA_enum_get(&oct_scene, "mb_direction"));
    mb_frame_time_sampling  = motion_blur && mb_type == INTERNAL ? 1.0f / session_params.fps : -1.0f;

	// Reset status/progress
	last_status		= "";
	last_progress	= -1.0f;

	// Create session
	string cur_path = blender_absolute_path(b_data, b_scene, b_scene.render().filepath().c_str());
    cur_path += "/alembic_export.abc";
	session = new Session(session_params, cur_path.c_str());
	session->set_blender_session(this);
	session->set_pause(BlenderSync::get_session_pause_state(b_scene, interactive));

	// Create scene
    scene = new Scene(session, interactive || !b_engine.is_animation() ? true : (b_scene.frame_current() == b_scene.frame_start()));
	session->scene = scene;

    scene->server = session->server;

	// Create sync
	sync = new BlenderSync(b_engine, b_data, b_scene, scene, interactive, session->progress);

	if(b_rv3d)
		sync->sync_view(b_v3d, b_rv3d, width, height);
	else
		sync->sync_camera(b_engine.camera_override(), width, height);

	// Set buffer parameters
	BufferParams buffer_params = BlenderSync::get_display_buffer_params(scene->camera, width, height);

    if(interactive || !b_engine.is_animation() || b_scene.frame_current() == b_scene.frame_start())
        session->reset(buffer_params, mb_frame_time_sampling);
} //create_session()