in client.cpp:

void MeshUpdateThread::doUpdate()
{
	QueuedMeshUpdate *q;
	while ((q = m_queue_in.pop())) {
		
		sleep_ms(50);
		ScopeProfiler sp(g_profiler, "Client: Mesh making");

		MapBlockMesh *mesh_new = new MapBlockMesh(q->data, m_camera_offset);

		MeshUpdateResult r;
		r.p = q->p;
		r.mesh = mesh_new;
		r.ack_block_to_server = q->ack_block_to_server;

		m_queue_out.push_back(r);

		delete q;
	}
}