Fix crash loading old files with physics systems without effector weights.

diff --git a/source/blender/blenloader/intern/readfile.c b/source/blender/blenloader/intern/readfile.c
index 91f94b544684be48c8f4534281a112ac16f0fb53..384b1fcfd4dc3af4aa099ff0239de16ed990ca53 100644 (file)
--- a/source/blender/blenloader/intern/readfile.c
+++ b/source/blender/blenloader/intern/readfile.c
@@ -3128,9 +3128,8 @@ static void direct_link_particlesettings(FileData *fd, ParticleSettings *part)
        part->pd= newdataadr(fd, part->pd);
        part->pd2= newdataadr(fd, part->pd2);
 
-       if(part->effector_weights)
-               part->effector_weights = newdataadr(fd, part->effector_weights);
-       else
+       part->effector_weights = newdataadr(fd, part->effector_weights);
+       if(!part->effector_weights)
                part->effector_weights = BKE_add_effector_weights(part->eff_group);
 
        link_list(fd, &part->dupliweights);
@@ -3803,9 +3802,8 @@ static void direct_link_modifiers(FileData *fd, ListBase *lb)
                                clmd->sim_parms->reset = 0;
                        }
 
-                       if(clmd->sim_parms->effector_weights)
-                               clmd->sim_parms->effector_weights = newdataadr(fd, clmd->sim_parms->effector_weights);
-                       else
+                       clmd->sim_parms->effector_weights = newdataadr(fd, clmd->sim_parms->effector_weights);
+                       if(!clmd->sim_parms->effector_weights)
                                clmd->sim_parms->effector_weights = BKE_add_effector_weights(NULL);
                        
                }
@@ -3832,9 +3830,8 @@ static void direct_link_modifiers(FileData *fd, ListBase *lb)
                                smd->domain->tex_shadow = NULL;
                                smd->domain->tex_wt = NULL;
 
-                               if(smd->domain->effector_weights)
-                                       smd->domain->effector_weights = newdataadr(fd, smd->domain->effector_weights);
-                               else
+                               smd->domain->effector_weights = newdataadr(fd, smd->domain->effector_weights);
+                               if(!smd->domain->effector_weights)
                                        smd->domain->effector_weights = BKE_add_effector_weights(NULL);
 
                                direct_link_pointcache_list(fd, &(smd->domain->ptcaches[0]), &(smd->domain->point_cache[0]));
@@ -4052,9 +4049,8 @@ static void direct_link_object(FileData *fd, Object *ob)
                        }
                }
 
-               if(sb->effector_weights)
-                       sb->effector_weights = newdataadr(fd, sb->effector_weights);
-               else
+               sb->effector_weights = newdataadr(fd, sb->effector_weights);
+               if(!sb->effector_weights)
                        sb->effector_weights = BKE_add_effector_weights(NULL);
 
                direct_link_pointcache_list(fd, &sb->ptcaches, &sb->pointcache);