[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;