diff options
Diffstat (limited to 'src/doom/p_sight.c')
| -rw-r--r-- | src/doom/p_sight.c | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/src/doom/p_sight.c b/src/doom/p_sight.c index e192567b..79c1bb1d 100644 --- a/src/doom/p_sight.c +++ b/src/doom/p_sight.c @@ -173,7 +173,7 @@ boolean P_CrossSubsector (int num) continue; line->validcount = validcount; - + v1 = line->v1; v2 = line->v2; s1 = P_DivlineSide (v1->x,v1->y, &strace); @@ -194,6 +194,14 @@ boolean P_CrossSubsector (int num) if (s1 == s2) continue; + // Backsector may be NULL if this is an "impassible + // glass" hack line. + + if (line->backsector == NULL) + { + return false; + } + // stop because it is not two sided anyway // might do this after updating validcount? if ( !(line->flags & ML_TWOSIDED) ) |