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Problem with lightmap? https://www.quake3world.com/forum/viewtopic.php?f=10&t=54255 |
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Author: | kejR [ 08-16-2019 09:46 AM ] |
Post subject: | Problem with lightmap? |
Hi. I've been facing a problem for some time now. I am working on a large map, in terms of brush count and number of entities and models. I think I have encountered some kind of engine limit, related to lightmaps. This topic will be probably just a tip of the iceberg, with more problems to come, but let’s start slowly and tackle this one first. :P When I compile a larger chunk of my map, all models behave like there is been a leak (hall of mirrors effect). Same thing happens with certain shaders. No errors in compiler, no errors in game console. I had this before, when I mistakenly put _lightmapscale with some silly value in worldspawn. This time, I’m experimenting with terrain, using ASE models and some alphamod blending. No fancy stuff in worldspawn, I might be even missing some basic entries, as I’m still oblivious when it comes to anything besides geometry. Can you help me to understand what am I encountering here? I could provide screenshots, but honestly, this thing is hard to capture on static image, as it is more visible when moving around. I can give more info on other stuff (shaders etc.), if needed. Basic info: Compiler settings (quick, for testing): BSP -meta -v, VIS -vis -hint -saveprt -v, LIGHT -light -fast -patchshadows -v Worldspawn: distancecull 20000, _blocksize 4096, ambient 10 Thanks. |
Author: | obsidian [ 08-16-2019 12:38 PM ] |
Post subject: | Re: Problem with lightmap? |
If you copy a portion of the map (say, delete half of it and patch the holes) do you still the same issues? |
Author: | kejR [ 08-16-2019 01:16 PM ] |
Post subject: | Re: Problem with lightmap? |
I've deleted one part of it and the problem is gone. Still, I'm working right now on a smaller part of a map, it's less than 2k brushes. It is probably something with lightmaps, since there are several models as cliffs and rocks. I'm not using spawnflags 6 key, but if I do, same problem will happen much quicker - or with even less brushes/models. Is there some sort of lightmap limit in BSP file? Might external lightmaps be a sollution here? I'm seriously worried, as it is only 1/4 of a map, I'd say. I've finished indoor part of it and now I'm working on the outside part. And that meant to be the LIGHTER part of the map, in terms of performance... |
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