By the only optional hack. (Also some bad aligning of glass or whatever it is.) <img width="1366" height="768" alt="Image" src="https://github.com/user-attachments/assets/bd3d7aa0-634c-4d1d-8f9b-d6d46fb309d4" /> There also are minor invisible textures in doorways. <img width="1366" height="768" alt="Image" src="https://github.com/user-attachments/assets/cf80f7cb-9c52-4e40-8b28-5900761178d0" /> <img width="1366" height="768" alt="Image" src="https://github.com/user-attachments/assets/8e2c0865-ede2-42be-9e7c-20854cfe3354" />
By the only optional hack. (Also some bad aligning of glass or whatever it is.)
There also are minor invisible textures in doorways.