Revision: 14776
          
http://projects.blender.org/plugins/scmsvn/viewcvs.php?view=rev&root=bf-blender&revision=14776
Author:   blendix
Date:     2008-05-10 14:33:15 +0200 (Sat, 10 May 2008)

Log Message:
-----------

Fix for second part of bug #11107: physics systems were referring to
vertex groups with a number, but this got out of sync if any vertex
group was deleted, now it properly updates it.

Modified Paths:
--------------
    trunk/blender/source/blender/makesdna/DNA_particle_types.h
    trunk/blender/source/blender/src/editdeform.c

Modified: trunk/blender/source/blender/makesdna/DNA_particle_types.h
===================================================================
--- trunk/blender/source/blender/makesdna/DNA_particle_types.h  2008-05-10 
10:57:22 UTC (rev 14775)
+++ trunk/blender/source/blender/makesdna/DNA_particle_types.h  2008-05-10 
12:33:15 UTC (rev 14776)
@@ -199,7 +199,7 @@
        char bb_uvname[3][32];                                  /* billboard uv 
name */
 
        /* if you change these remember to update array lengths to PSYS_TOT_VG! 
*/
-       short vgroup[11], vg_neg, rt3[2];               /* vertex groups */
+       short vgroup[12], vg_neg, rt3;                  /* vertex groups */
 
        /* temporary storage during render */
        void *renderdata;

Modified: trunk/blender/source/blender/src/editdeform.c
===================================================================
--- trunk/blender/source/blender/src/editdeform.c       2008-05-10 10:57:22 UTC 
(rev 14775)
+++ trunk/blender/source/blender/src/editdeform.c       2008-05-10 12:33:15 UTC 
(rev 14776)
@@ -33,11 +33,15 @@
 
 #include "MEM_guardedalloc.h"
 
+#include "DNA_cloth_types.h"
 #include "DNA_curve_types.h"
 #include "DNA_lattice_types.h"
 #include "DNA_mesh_types.h"
 #include "DNA_meshdata_types.h"
+#include "DNA_modifier_types.h"
 #include "DNA_object_types.h"
+#include "DNA_object_force.h"
+#include "DNA_particle_types.h"
 
 #include "BLI_blenlib.h"
 #include "BLI_editVert.h"
@@ -256,6 +260,66 @@
        }
 }
 
+static void del_defgroup_update_users(Object *ob, int id)
+{
+       ExplodeModifierData *emd;
+       ModifierData *md;
+       ParticleSystem *psys;
+       ClothModifierData *clmd;
+       ClothSimSettings *clsim;
+       int a;
+
+       /* these cases don't use names to refer to vertex groups, so when
+        * they get deleted the numbers get out of synce, this corrects that */
+
+       if(ob->soft) {
+               if(ob->soft->vertgroup == id)
+                       ob->soft->vertgroup= 0;
+               else if(ob->soft->vertgroup > id)
+                       ob->soft->vertgroup--;
+       }
+
+       for(md=ob->modifiers.first; md; md=md->next) {
+               if(md->type == eModifierType_Explode) {
+                       emd= (ExplodeModifierData*)md;
+
+                       if(emd->vgroup == id)
+                               emd->vgroup= 0;
+                       else if(emd->vgroup > id)
+                               emd->vgroup--;
+               }
+               else if(md->type == eModifierType_Cloth) {
+                       clmd= (ClothModifierData*)md;
+                       clsim= clmd->sim_parms;
+
+                       if(clsim) {
+                               if(clsim->vgroup_mass == id)
+                                       clsim->vgroup_mass= 0;
+                               else if(clsim->vgroup_mass > id)
+                                       clsim->vgroup_mass--;
+
+                               if(clsim->vgroup_bend == id)
+                                       clsim->vgroup_bend= 0;
+                               else if(clsim->vgroup_bend > id)
+                                       clsim->vgroup_bend--;
+
+                               if(clsim->vgroup_struct == id)
+                                       clsim->vgroup_struct= 0;
+                               else if(clsim->vgroup_struct > id)
+                                       clsim->vgroup_struct--;
+                       }
+               }
+       }
+
+       for(psys=ob->particlesystem.first; psys; psys=psys->next) {
+               for(a=0; a<PSYS_TOT_VG; a++)
+                       if(psys->vgroup[a] == id)
+                               psys->vgroup[a]= 0;
+                       else if(psys->vgroup[a] > id)
+                               psys->vgroup[a]--;
+       }
+}
+
 void del_defgroup_in_object_mode ( Object *ob )
 {
        bDeformGroup *dg;
@@ -291,6 +355,8 @@
                }
        }
 
+       del_defgroup_update_users(ob, ob->actdef);
+
        /* Update the active deform index if necessary */
        if (ob->actdef == BLI_countlist(&ob->defbase))
                ob->actdef--;
@@ -348,6 +414,8 @@
                }
        }
 
+       del_defgroup_update_users(ob, ob->actdef);
+
        /* Update the active deform index if necessary */
        if (ob->actdef==BLI_countlist(&ob->defbase))
                ob->actdef--;


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