How to create the basic waypoints video:-

How to neaten and repair broken or badly designed waypoints video:-

The important part is not to have too many junctions, especially in small but long corridors. Unlike TFBots you can add desirable places for bots to deploy SG Turrets, Teleports and allow Snipers to aim and camp in areas that makes them less visible to their enemy teams. However, they tend to struggle with climbing ladders.