View Full Version : Quake II Bsp-files
03-17-2001, 10:17 AM
how do you generate the texture coordinates for the lightmaps in quake II?
03-17-2001, 12:50 PM
Are you talking about getting the lightmap texture coordinates of a prelit bsp file, or the actual process of creating the lightmaps?
03-17-2001, 12:58 PM
I'm trying to make a quake II bsp-viewer, so all the data (BSP/PVS/Radiosity) is allready computed. I've got it all working so far, but i can't find out how the texture coordinates for the lightmaps are calculated. I looked the source code of different Quake II bsp viewers, (they seem to use a different method each time (using the average of the texturecoordinates boundries or the minimum), but i tried both of them and none of them work. It looks like a normal quake II level, but every face has a color blended over it. (If it's not clear, i'll make a screenshot.)
03-17-2001, 01:47 PM
If I'm not mistaken, Q2 lightmap coordinates are created in exactly the same way that Q1 lightmap coordinates are. I'd suggest taking a peek at the Q1 source code. The gl_rsurf.c file in particular (It's too much to post).
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