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oh ok... I just thought BSP calcualtions didnt work with concave geometry and so forth...



Yeah, same here. I always thought BSP was convex only, and quite outdated because of it.

Which makes me wonder, why not sooner? Why will BSP allow concave eventually with A7 and not with A5, A6? Why the time for developing an Octree/ABT for concave if BSP would have allowed it all along? I think if BSP allowed seamless geometry of all types, many people would be drawn to it regardless of the longer compile(if it really does have a much better speed difference). This would also make BSP more newbie friendly due to the elimination of convex only geometry. Not that it's terribly complex anyways. Probably most who started with Gstudio started by building all kinds of convex levels in WED, more advanced users may eventually switch over to Max, Lightwave, and create everything there. Because of this, they'd most likely require concave geometry anyways(ABT) and of course, good scene importers that import both models(so you can apply actions to certain objects) and geometry.

If Gears of War is BSP based, it surely doesn't use convex geometry for everything. Only programs like Max and Lightwave can create these types of meshes, and these mesh's are arbitrary. WED wouldn't be able to develop similar levels, because it's tailored for convex levels.