[Bf-blender-cvs] SVN commit: /data/svn/bf-blender [16250] trunk/blender/source/blender/ blenkernel/intern/particle_system.c: Crash fix for having wind noise + particles (reported by Wahooney)

[Daniel Genrich]

Revision: 16250
          http://projects.blender.org/plugins/scmsvn/viewcvs.php?view=rev&root=bf-blender&revision=16250
Author:   genscher
Date:     2008-08-25 15:49:55 +0200 (Mon, 25 Aug 2008)

Log Message:
-----------
Crash fix for having wind noise + particles (reported by Wahooney)

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	2008-08-25 11:49:58 UTC (rev 16249)
+++ trunk/blender/source/blender/blenkernel/intern/particle_system.c	2008-08-25 13:49:55 UTC (rev 16250)
@@ -2301,7 +2301,15 @@
 			}
 		}
 		else if(pd->forcefield)
+		{
 			type |= PSYS_EC_EFFECTOR;
+			
+			if(pd->forcefield == PFIELD_WIND)
+			{
+				pd->rng = rng_new(1);
+				rng_srandom(pd->rng, (unsigned int)(ceil(PIL_check_seconds_timer()))); // use better seed
+			}
+		}
 	}
 	
 	if(pd && pd->deflect)
@@ -2413,6 +2421,9 @@
 
 			if(ec->tree)
 				BLI_kdtree_free(ec->tree);
+			
+			if(ec->ob->pd && (ec->ob->pd->forcefield == PFIELD_WIND))
+				rng_free(ec->ob->pd->rng);
 		}
 
 		BLI_freelistN(lb);