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prevent division by zero, which spreads darkness during bounces

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source of the problem is located somewhere else
This commit is contained in:
Garux 2021-01-05 01:34:55 +03:00
parent e62c6f4bb3
commit b2bc2077e5
1 changed files with 6 additions and 0 deletions
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6
tools/quake3/q3map2/light_ydnar.c
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@ -792,6 +792,12 @@ static bool MapTriangle( rawLightmap_t *lm, surfaceInfo_t *info, bspDrawVert_t *
return false; return false;
} }
/* this must not happen in the first place, but it does and spreads result of division by zero in MapSingleLuxel all over the map during -bounce */
if( lm->vecs != NULL && plane[lm->axisNum] == 0 ){
Sys_Warning( "plane[lm->axisNum] == 0\n" );
return false;
}
/* check to see if we need to calculate texture->world tangent vectors */ /* check to see if we need to calculate texture->world tangent vectors */
if ( info->si->normalImage != NULL && CalcTangentVectors( 3, dv, stvStatic, ttvStatic ) ) { if ( info->si->normalImage != NULL && CalcTangentVectors( 3, dv, stvStatic, ttvStatic ) ) {
stv = stvStatic; stv = stvStatic;