[Bf-blender-cvs] SVN commit: /data/svn/bf-blender [16456] trunk/blender/source/blender/ blenkernel/intern/particle_system.c: Bugfix [#17592] Complex particle system crash

[Daniel Genrich]

Revision: 16456
          http://projects.blender.org/plugins/scmsvn/viewcvs.php?view=rev&root=bf-blender&revision=16456
Author:   genscher
Date:     2008-09-10 13:38:19 +0200 (Wed, 10 Sep 2008)

Log Message:
-----------
Bugfix [#17592] Complex particle system crash

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

Modified: trunk/blender/source/blender/blenkernel/intern/particle_system.c
===================================================================
--- trunk/blender/source/blender/blenkernel/intern/particle_system.c	2008-09-10 11:04:07 UTC (rev 16455)
+++ trunk/blender/source/blender/blenkernel/intern/particle_system.c	2008-09-10 11:38:19 UTC (rev 16456)
@@ -3578,7 +3578,7 @@
 							pd= epart->pd;
 							totepart= epsys->totpart;
 
-							if(pd->forcefield==PFIELD_FORCE && pd->f_strength<0.0){
+							if(pd->forcefield==PFIELD_FORCE && pd->f_strength<0.0 && ec->tree){
 								count=BLI_kdtree_find_n_nearest(ec->tree,epart->boidneighbours,pa->state.co,NULL,ptn2);
 								for(p=0; p<count; p++){
 									state.time=-1.0;
@@ -3725,7 +3725,7 @@
 							pd= epart->pd;
 							totepart= epsys->totpart;
 
-							if(pd->forcefield==PFIELD_FORCE && pd->f_strength>0.0){
+							if(pd->forcefield==PFIELD_FORCE && pd->f_strength>0.0 && ec->tree){
 								count=BLI_kdtree_find_n_nearest(ec->tree,epart->boidneighbours,pa->state.co,NULL,ptn2);
 								for(p=0; p<count; p++){
 									state.time=-1.0;