X-Git-Url: https://de.git.xonotic.org/?a=blobdiff_plain;f=tools%2Fquake3%2Fq3map2%2Flight_ydnar.c;h=eee4a17362c7ddf71d218aca2de8a4a9be6c73d4;hb=HEAD;hp=c024dd3eb39fe4597f88b2c7b45b16d507ae0e46;hpb=644aa914b3ca91e5a778bf5c1cbf6c018758993d;p=xonotic%2Fnetradiant.git

diff --git a/tools/quake3/q3map2/light_ydnar.c b/tools/quake3/q3map2/light_ydnar.c
index c024dd3e..eee4a173 100644
--- a/tools/quake3/q3map2/light_ydnar.c
+++ b/tools/quake3/q3map2/light_ydnar.c
@@ -1258,6 +1258,7 @@ void MapRawLightmap( int rawLightmapNum ){
 	   ----------------------------------------------------------------- */
 
 	/* walk the luxels */
+	/* FIXME: superSample is int, no need in floor() */
 	radius = floor( superSample / 2 );
 	radius = radius > 0 ? radius : 1.0f;
 	radius += 1.0f;
@@ -2238,7 +2239,7 @@ void IlluminateRawLightmap( int rawLightmapNum ){
 			}
 
 			/* set luxel filter radius */
-			luxelFilterRadius = superSample * filterRadius / lm->sampleSize;
+			luxelFilterRadius = lm->sampleSize != 0 ? superSample * filterRadius / lm->sampleSize : 0;
 			if ( luxelFilterRadius == 0 && ( filterRadius > 0.0f || filter ) ) {
 				luxelFilterRadius = 1;
 			}