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light: update usage text

This commit is contained in:
Eric Wasylishen 2016-05-27 20:45:44 -06:00
parent 21a4fd5287
commit a63a96e877
1 changed files with 55 additions and 5 deletions
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60
light/light.cc
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@ -1401,11 +1401,61 @@ main(int argc, const char **argv)
}
if (i != argc - 1) {
printf("usage: light [-threads num] [-extra|-extra4]\n"
" [-light num] [-addmin] [-anglescale|-anglesense]\n"
" [-dist n] [-range n] [-gate n] [-lit|-lit2] [-lux] [-bspx] [-lmscale n]\n"
" [-dirt] [-dirtdebug] [-dirtmode n] [-dirtdepth n] [-dirtscale n] [-dirtgain n] [-dirtangle n]\n"
" [-soft [n]] [-fence] [-gamma n] [-surflight_subdivide n] [-surflight_dump] [-onlyents] [-sunsamples n] [-phongdebug] -[phong 0] bspfile\n");
printf(
"usage: light [options] mapname.bsp\n"
"\n"
"Performance options:\n"
"-threads n set the number of threads\n"
"-extra 2x supersampling\n"
"-extra4 4x supersampling, slowest, use for final compile\n"
"-gate n cutoff lights at this brightness level\n"
"-sunsamples n set samples for _sunlight2, default 64\n"
"-surflight_subdivide surface light subdivision size\n"
"\n"
"Output format options:\n"
"-lit write .lit file\n"
"-onlyents only update entities\n"
"\n"
"Global options:\n"
"-light n sets global minlight level n\n"
"-addmin additive minlight\n"
"-anglescale n set weight of cosine term, default 0.5, 1=realistic\n"
"-anglesense n same as -anglescale n\n"
"-dist n scale fade distance of all lights, default 1\n"
"-range n scale brightness of all lights, default 0.5\n"
"-phong n 0=disable phong shading\n"
"\n"
"Dirtmapping (ambient occlusion) options:\n"
"-dirt [n] enable global AO, 0=disable even if set in worldspawn\n"
"-dirtmode n 0=ordered (default), 1=random AO\n"
"-dirtdepth n distance for occlusion test, default 128\n"
"-dirtscale n scale factor for AO, default 1, higher values are darker\n"
"-dirtgain n exponent for AO, default 1, lower values are darker\n"
"-dirtangle n maximum angle for AO rays, default 88\n"
"\n"
"Bounce options:\n"
"-bounce [n] enables 1 bounce, 0=disable even if set in worldspawn\n"
"-bouncescale n scales brightness of bounce lighting, default 1\n"
"-bouncecolorscale n amount to use texture color in bounce lighting, 0=none (default), 1=fully\n"
"\n"
"Postprocessing options:\n"
"-gamma n gamma correct final lightmap, default 1.0\n"
"-soft [n] blurs the lightmap, not recommended\n"
"\n"
"Debug modes:\n"
"-dirtdebug only save the AO values to the lightmap\n"
"-phongdebug only save the normals to the lightmap\n"
"-bouncedebug only save bounced lighting to the lightmap\n"
"-surflight_dump dump surface lights to a .map file\n"
"\n"
"Experimental options:\n"
"-lit2 write .lit2 file\n"
"-lmscale n change lightmap scale, vanilla engines only allow 16\n"
"-lux write .lux file\n"
"-bspxlit writes rgb data into the bsp itself\n"
"-bspx writes both rgb and directions data into the bsp itself\n"
"-novanilla implies -bspxlit. don't write vanilla lighting\n"
);
exit(1);
}