Yeeesh. Ok, people, this is about build times, not polygons, right? So, let's get it straight. Firo's method is great if you want strange shadows, but it applies to reducing polys, and increasing portals. Thus increases build times.

So, let's just get one thing perfectly clear here...PORTALS take 99% of the build time! BSP tree takes mere seconds! Stop trying to decrease build time by making a more efficient BSP tree! Understand now? To decrease build time, overlap blocks to create less portals!

For faster running levels, the less polys the better. Forget about build time, if you want high FPS, you have to sacrifice something. Find the balance.

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"Programming today is a race between software engineers striving to build bigger and better idiot-proof programs, and the Universe trying to produce bigger and better idiots. So far, the Universe is winning."

Spectre