[tools/quake3/q3map2/light{,maps}_ydnar.c] Fix float-to-int conversion by preventing...

[xonotic/netradiant.git] / tools / quake3 / q3map2 / lightmaps_ydnar.c

diff --git a/tools/quake3/q3map2/lightmaps_ydnar.c b/tools/quake3/q3map2/lightmaps_ydnar.c
index 462331f1ad79ebdef34173719157122209db6f18..c5633ae372d3f754eafc70c61ab4f0e0e6e8578c 100644 (file)
--- a/tools/quake3/q3map2/lightmaps_ydnar.c
+++ b/tools/quake3/q3map2/lightmaps_ydnar.c
@@ -525,7 +525,7 @@ qboolean AddPatchToRawLightmap( int num, rawLightmap_t *lm ){
        length = 0;
        for ( x = 0; x < ( mesh->width - 1 ); x++ )
                length += widthTable[ x ];
-       lm->w = ceil( length / lm->sampleSize ) + 1;
+       lm->w = lm->sampleSize != 0 ? ceil( length / lm->sampleSize ) + 1 : 0;
        if ( lm->w < ds->patchWidth ) {
                lm->w = ds->patchWidth;
        }
@@ -538,7 +538,7 @@ qboolean AddPatchToRawLightmap( int num, rawLightmap_t *lm ){
        length = 0;
        for ( y = 0; y < ( mesh->height - 1 ); y++ )
                length += heightTable[ y ];
-       lm->h = ceil( length / lm->sampleSize ) + 1;
+       lm->h = lm->sampleSize != 0 ? ceil( length / lm->sampleSize ) + 1 : 0;
        if ( lm->h < ds->patchHeight ) {
                lm->h = ds->patchHeight;
        }