[Bf-blender-cvs] SVN commit: /data/svn/bf-blender [39648] trunk/blender/source/blender/ blenkernel/intern/anim.c: fix [#28336] Particles: setting to zero the count of all elements of a group crashes Blender

[Campbell Barton]

Revision: 39648
          
http://projects.blender.org/scm/viewvc.php?view=rev&root=bf-blender&revision=39648
Author:   campbellbarton
Date:     2011-08-23 12:09:20 +0000 (Tue, 23 Aug 2011)
Log Message:
-----------
fix [#28336] Particles: setting to zero the count of all elements of a group 
crashes Blender

Modified Paths:
--------------
    trunk/blender/source/blender/blenkernel/intern/anim.c

Modified: trunk/blender/source/blender/blenkernel/intern/anim.c
===================================================================
--- trunk/blender/source/blender/blenkernel/intern/anim.c       2011-08-23 
11:46:16 UTC (rev 39647)
+++ trunk/blender/source/blender/blenkernel/intern/anim.c       2011-08-23 
12:09:20 UTC (rev 39648)
@@ -1351,6 +1351,10 @@
                                continue;
 
                        if(part->ren_as==PART_DRAW_GR) {
+                               /* prevent divide by zero below [#28336] */
+                               if(totgroup == 0)
+                                       continue;
+
                                /* for groups, pick the object based on 
settings */
                                if(part->draw&PART_DRAW_RAND_GR)
                                        b= BLI_rand() % totgroup;

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