Merge: from server_occlusion_poppin - Bugfix: fixes false-negative occlusion queries at the top of the hills - Bugfix: fixes false-positive occlusion queries while looking through a hill - Optim: sped up occlusion cache generation by 65%+ (4.5k from 134s -> 50s, can be faster with sufficient RAM) - Editor: extended LoadMapFile with Server Occlusion debug tools Tests: generated reported bug case and visualized and debug traced. Generated 6k, 4.5k, 2k and Craggy to confirm generation doesn't crash.