diff options
Diffstat (limited to 'source/blender/editors/mesh/editdeform.c')
| -rw-r--r-- | source/blender/editors/mesh/editdeform.c | 1110 |
1 files changed, 1110 insertions, 0 deletions
diff --git a/source/blender/editors/mesh/editdeform.c b/source/blender/editors/mesh/editdeform.c new file mode 100644 index 00000000000..3ccd4d56ece --- /dev/null +++ b/source/blender/editors/mesh/editdeform.c @@ -0,0 +1,1110 @@ +/** + * $Id$ + * + * ***** BEGIN GPL LICENSE BLOCK ***** + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software Foundation, + * Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + * + * The Original Code is Copyright (C) 2001-2002 by NaN Holding BV. + * All rights reserved. + * + * The Original Code is: all of this file. + * + * Contributor(s): none yet. + * + * ***** END GPL LICENSE BLOCK ***** + * Creator-specific support for vertex deformation groups + * Added: apply deform function (ton) + */ + +#include <string.h> + +#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_scene_types.h" +#include "DNA_particle_types.h" +#include "DNA_windowmanager_types.h" + +#include "BLI_blenlib.h" +#include "BLI_editVert.h" + +#include "BKE_customdata.h" +#include "BKE_DerivedMesh.h" +#include "BKE_depsgraph.h" +#include "BKE_deform.h" +#include "BKE_displist.h" +#include "BKE_global.h" +#include "BKE_lattice.h" +#include "BKE_mesh.h" +#include "BKE_utildefines.h" + +#include "ED_mesh.h" +#include "ED_view3d.h" +#include "mesh_intern.h" + +/* XXX */ +static void BIF_undo_push() {} +static void error() {} + +static Lattice *def_get_lattice(Object *ob) +{ + if(ob->type==OB_LATTICE) { + Lattice *lt= ob->data; + if(lt->editlatt) + return lt->editlatt; + return lt; + } + return NULL; +} + +/* only in editmode */ +void sel_verts_defgroup (Object *obedit, int select) +{ + EditVert *eve; + Object *ob; + int i; + MDeformVert *dvert; + + ob= obedit; + + if (!ob) + return; + + switch (ob->type){ + case OB_MESH: + { + Mesh *me= ob->data; + EditMesh *em = BKE_mesh_get_editmesh(me); + + for (eve=em->verts.first; eve; eve=eve->next){ + dvert= CustomData_em_get(&em->vdata, eve->data, CD_MDEFORMVERT); + + if (dvert && dvert->totweight){ + for (i=0; i<dvert->totweight; i++){ + if (dvert->dw[i].def_nr == (ob->actdef-1)){ + if (select) eve->f |= SELECT; + else eve->f &= ~SELECT; + + break; + } + } + } + } + /* this has to be called, because this function operates on vertices only */ + if(select) EM_select_flush(em); // vertices to edges/faces + else EM_deselect_flush(em); + + BKE_mesh_end_editmesh(me, em); + } + break; + case OB_LATTICE: + { + Lattice *lt= def_get_lattice(ob); + + if(lt->dvert) { + BPoint *bp; + int a, tot; + + dvert= lt->dvert; + + tot= lt->pntsu*lt->pntsv*lt->pntsw; + for(a=0, bp= lt->def; a<tot; a++, bp++, dvert++) { + for (i=0; i<dvert->totweight; i++){ + if (dvert->dw[i].def_nr == (ob->actdef-1)) { + if(select) bp->f1 |= SELECT; + else bp->f1 &= ~SELECT; + + break; + } + } + } + } + } + break; + + default: + break; + } +} + +/* check if deform vertex has defgroup index */ +MDeformWeight *get_defweight (MDeformVert *dv, int defgroup) +{ + int i; + + if (!dv || defgroup<0) + return NULL; + + for (i=0; i<dv->totweight; i++){ + if (dv->dw[i].def_nr == defgroup) + return dv->dw+i; + } + return NULL; +} + +/* Ensures that mv has a deform weight entry for + the specified defweight group */ +/* Note this function is mirrored in editmesh_tools.c, for use for editvertices */ +MDeformWeight *verify_defweight (MDeformVert *dv, int defgroup) +{ + MDeformWeight *newdw; + + /* do this check always, this function is used to check for it */ + if (!dv || defgroup<0) + return NULL; + + newdw = get_defweight (dv, defgroup); + if (newdw) + return newdw; + + newdw = MEM_callocN (sizeof(MDeformWeight)*(dv->totweight+1), "deformWeight"); + if (dv->dw){ + memcpy (newdw, dv->dw, sizeof(MDeformWeight)*dv->totweight); + MEM_freeN (dv->dw); + } + dv->dw=newdw; + + dv->dw[dv->totweight].weight=0.0f; + dv->dw[dv->totweight].def_nr=defgroup; + /* Group index */ + + dv->totweight++; + + return dv->dw+(dv->totweight-1); +} + +bDeformGroup *add_defgroup_name (Object *ob, char *name) +{ + bDeformGroup *defgroup; + + if (!ob) + return NULL; + + defgroup = MEM_callocN (sizeof(bDeformGroup), "add deformGroup"); + + BLI_strncpy (defgroup->name, name, 32); + + BLI_addtail(&ob->defbase, defgroup); + unique_vertexgroup_name(defgroup, ob); + + ob->actdef = BLI_countlist(&ob->defbase); + + return defgroup; +} + +void add_defgroup (Object *ob) +{ + add_defgroup_name (ob, "Group"); +} + + +void duplicate_defgroup ( Object *ob ) +{ + bDeformGroup *dg, *cdg; + char name[32], s[32]; + MDeformWeight *org, *cpy; + MDeformVert *dvert, *dvert_array; + int i, idg, icdg, dvert_tot; + + if (ob->type != OB_MESH && ob->type != OB_LATTICE) + return; + + dg = BLI_findlink (&ob->defbase, (ob->actdef-1)); + if (!dg) + return; + + if (strstr(dg->name, "_copy")) { + BLI_strncpy (name, dg->name, 32); /* will be renamed _copy.001... etc */ + } else { + BLI_snprintf (name, 32, "%s_copy", dg->name); + while (get_named_vertexgroup (ob, name)) { + if ((strlen (name) + 6) > 32) { + error ("Error: the name for the new group is > 32 characters"); + return; + } + strcpy (s, name); + BLI_snprintf (name, 32, "%s_copy", s); + } + } + + cdg = copy_defgroup (dg); + strcpy (cdg->name, name); + unique_vertexgroup_name(cdg, ob); + + BLI_addtail (&ob->defbase, cdg); + + idg = (ob->actdef-1); + ob->actdef = BLI_countlist (&ob->defbase); + icdg = (ob->actdef-1); + + if(ob->type == OB_MESH) { + Mesh *me = get_mesh (ob); + dvert_array= me->dvert; + dvert_tot= me->totvert; + } + else if (ob->type == OB_LATTICE) { + Lattice *lt= (Lattice *)ob->data; + dvert_array= lt->dvert; + dvert_tot= lt->pntsu*lt->pntsv*lt->pntsw; + } + + if (!dvert_array) + return; + + for (i = 0; i < dvert_tot; i++) { + dvert = dvert_array+i; + org = get_defweight (dvert, idg); + if (org) { + float weight = org->weight; + /* verify_defweight re-allocs org so need to store the weight first */ + cpy = verify_defweight (dvert, icdg); + cpy->weight = weight; + } + } +} + +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 sync, 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; + MDeformVert *dvert_array, *dvert; + + int i, e, dvert_tot; + + if ((!ob) || (ob->type != OB_MESH && ob->type != OB_LATTICE)) + return; + + if(ob->type == OB_MESH) { + Mesh *me = get_mesh (ob); + dvert_array= me->dvert; + dvert_tot= me->totvert; + } + else if (ob->type == OB_LATTICE) { + Lattice *lt= (Lattice *)ob->data; + dvert_array= lt->dvert; + dvert_tot= lt->pntsu*lt->pntsv*lt->pntsw; + } + + dg = BLI_findlink (&ob->defbase, (ob->actdef-1)); + if (!dg) + return; + + if (dvert_array) { + for (i = 0; i < dvert_tot; i++) { + dvert = dvert_array + i; + if (dvert) { + if (get_defweight (dvert, (ob->actdef-1))) + remove_vert_defgroup (ob, dg, i); + } + } + + for (i = 0; i < dvert_tot; i++) { + dvert = dvert_array+i; + if (dvert) { + for (e = 0; e < dvert->totweight; e++) { + if (dvert->dw[e].def_nr > (ob->actdef-1)) + dvert->dw[e].def_nr--; + } + } + } + } + + del_defgroup_update_users(ob, ob->actdef); + + /* Update the active deform index if necessary */ + if (ob->actdef == BLI_countlist(&ob->defbase)) + ob->actdef--; + + /* Remove the group */ + BLI_freelinkN (&ob->defbase, dg); +} + +void del_defgroup (Object *ob) +{ + bDeformGroup *defgroup; + int i; + + if (!ob) + return; + + if (!ob->actdef) + return; + + defgroup = BLI_findlink(&ob->defbase, ob->actdef-1); + if (!defgroup) + return; + + /* Make sure that no verts are using this group */ + remove_verts_defgroup(ob, 1); + + /* Make sure that any verts with higher indices are adjusted accordingly */ + if(ob->type==OB_MESH) { + Mesh *me= ob->data; + EditMesh *em = BKE_mesh_get_editmesh(me); + EditVert *eve; + MDeformVert *dvert; + + for (eve=em->verts.first; eve; eve=eve->next){ + dvert= CustomData_em_get(&em->vdata, eve->data, CD_MDEFORMVERT); + + if (dvert) + for (i=0; i<dvert->totweight; i++) + if (dvert->dw[i].def_nr > (ob->actdef-1)) + dvert->dw[i].def_nr--; + } + BKE_mesh_end_editmesh(me, em); + } + else if(ob->type==OB_LATTICE) { + Lattice *lt= def_get_lattice(ob); + BPoint *bp; + MDeformVert *dvert= lt->dvert; + int a, tot; + + if (dvert) { + tot= lt->pntsu*lt->pntsv*lt->pntsw; + for(a=0, bp= lt->def; a<tot; a++, bp++, dvert++) { + for (i=0; i<dvert->totweight; i++){ + if (dvert->dw[i].def_nr > (ob->actdef-1)) + dvert->dw[i].def_nr--; + } + } + } + } + + del_defgroup_update_users(ob, ob->actdef); + + /* Update the active deform index if necessary */ + if (ob->actdef==BLI_countlist(&ob->defbase)) + ob->actdef--; + + /* Remove the group */ + BLI_freelinkN (&ob->defbase, defgroup); + + /* remove all dverts */ + if(ob->actdef==0) { + if(ob->type==OB_MESH) { + Mesh *me= ob->data; + CustomData_free_layer_active(&me->vdata, CD_MDEFORMVERT, me->totvert); + me->dvert= NULL; + } + else if(ob->type==OB_LATTICE) { + Lattice *lt= def_get_lattice(ob); + if (lt->dvert) { + MEM_freeN(lt->dvert); + lt->dvert= NULL; + } + } + } +} + +void del_all_defgroups (Object *ob) +{ + /* Sanity check */ + if (ob == NULL) + return; + + /* Remove all DVerts */ + if (ob->type==OB_MESH) { + Mesh *me= ob->data; + CustomData_free_layer_active(&me->vdata, CD_MDEFORMVERT, me->totvert); + me->dvert= NULL; + } + else if(ob->type==OB_LATTICE) { + Lattice *lt= def_get_lattice(ob); + if (lt->dvert) { + MEM_freeN(lt->dvert); + lt->dvert= NULL; + } + } + + /* Remove all DefGroups */ + BLI_freelistN(&ob->defbase); + + /* Fix counters/indices */ + ob->actdef= 0; +} + +void create_dverts(ID *id) +{ + /* create deform verts + */ + + if( GS(id->name)==ID_ME) { + Mesh *me= (Mesh *)id; + me->dvert= CustomData_add_layer(&me->vdata, CD_MDEFORMVERT, CD_CALLOC, NULL, me->totvert); + } + else if( GS(id->name)==ID_LT) { + Lattice *lt= (Lattice *)id; + lt->dvert= MEM_callocN(sizeof(MDeformVert)*lt->pntsu*lt->pntsv*lt->pntsw, "lattice deformVert"); + } +} + +/* for mesh in object mode + lattice can be in editmode */ +void remove_vert_def_nr (Object *ob, int def_nr, int vertnum) +{ + /* This routine removes the vertex from the deform + * group with number def_nr. + * + * This routine is meant to be fast, so it is the + * responsibility of the calling routine to: + * a) test whether ob is non-NULL + * b) test whether ob is a mesh + * c) calculate def_nr + */ + + MDeformWeight *newdw; + MDeformVert *dvert= NULL; + int i; + + /* get the deform vertices corresponding to the + * vertnum + */ + if(ob->type==OB_MESH) { + if( ((Mesh*)ob->data)->dvert ) + dvert = ((Mesh*)ob->data)->dvert + vertnum; + } + else if(ob->type==OB_LATTICE) { + Lattice *lt= def_get_lattice(ob); + + if(lt->dvert) + dvert = lt->dvert + vertnum; + } + + if(dvert==NULL) + return; + + /* for all of the deform weights in the + * deform vert + */ + for (i=dvert->totweight - 1 ; i>=0 ; i--){ + + /* if the def_nr is the same as the one + * for our weight group then remove it + * from this deform vert. + */ + if (dvert->dw[i].def_nr == def_nr) { + dvert->totweight--; + + /* if there are still other deform weights + * attached to this vert then remove this + * deform weight, and reshuffle the others + */ + if (dvert->totweight) { + newdw = MEM_mallocN (sizeof(MDeformWeight)*(dvert->totweight), + "deformWeight"); + if (dvert->dw){ + memcpy (newdw, dvert->dw, sizeof(MDeformWeight)*i); + memcpy (newdw+i, dvert->dw+i+1, + sizeof(MDeformWeight)*(dvert->totweight-i)); + MEM_freeN (dvert->dw); + } + dvert->dw=newdw; + } + /* if there are no other deform weights + * left then just remove the deform weight + */ + else { + MEM_freeN (dvert->dw); + dvert->dw = NULL; + break; + } + } + } + +} + +/* for Mesh in Object mode */ +/* allows editmode for Lattice */ +void add_vert_defnr (Object *ob, int def_nr, int vertnum, + float weight, int assignmode) +{ + /* add the vert to the deform group with the + * specified number + */ + MDeformVert *dv= NULL; + MDeformWeight *newdw; + int i; + + /* get the vert */ + if(ob->type==OB_MESH) { + if(((Mesh*)ob->data)->dvert) + dv = ((Mesh*)ob->data)->dvert + vertnum; + } + else if(ob->type==OB_LATTICE) { + Lattice *lt= def_get_lattice(ob); + + if(lt->dvert) + dv = lt->dvert + vertnum; + } + + if(dv==NULL) + return; + + /* Lets first check to see if this vert is + * already in the weight group -- if so + * lets update it + */ + for (i=0; i<dv->totweight; i++){ + + /* if this weight cooresponds to the + * deform group, then add it using + * the assign mode provided + */ + if (dv->dw[i].def_nr == def_nr){ + + switch (assignmode) { + case WEIGHT_REPLACE: + dv->dw[i].weight=weight; + break; + case WEIGHT_ADD: + dv->dw[i].weight+=weight; + if (dv->dw[i].weight >= 1.0) + dv->dw[i].weight = 1.0; + break; + case WEIGHT_SUBTRACT: + dv->dw[i].weight-=weight; + /* if the weight is zero or less then + * remove the vert from the deform group + */ + if (dv->dw[i].weight <= 0.0) + remove_vert_def_nr(ob, def_nr, vertnum); + break; + } + return; + } + } + + /* if the vert wasn't in the deform group then + * we must take a different form of action ... + */ + + switch (assignmode) { + case WEIGHT_SUBTRACT: + /* if we are subtracting then we don't + * need to do anything + */ + return; + + case WEIGHT_REPLACE: + case WEIGHT_ADD: + /* if we are doing an additive assignment, then + * we need to create the deform weight + */ + newdw = MEM_callocN (sizeof(MDeformWeight)*(dv->totweight+1), + "deformWeight"); + if (dv->dw){ + memcpy (newdw, dv->dw, sizeof(MDeformWeight)*dv->totweight); + MEM_freeN (dv->dw); + } + dv->dw=newdw; + + dv->dw[dv->totweight].weight=weight; + dv->dw[dv->totweight].def_nr=def_nr; + + dv->totweight++; + break; + } +} + +/* called while not in editmode */ +void add_vert_to_defgroup (Object *ob, bDeformGroup *dg, int vertnum, + float weight, int assignmode) +{ + /* add the vert to the deform group with the + * specified assign mode + */ + int def_nr; + + /* get the deform group number, exit if + * it can't be found + */ + def_nr = get_defgroup_num(ob, dg); + if (def_nr < 0) return; + + /* if there's no deform verts then + * create some + */ + if(ob->type==OB_MESH) { + if (!((Mesh*)ob->data)->dvert) + create_dverts(ob->data); + } + else if(ob->type==OB_LATTICE) { + if (!((Lattice*)ob->data)->dvert) + create_dverts(ob->data); + } + + /* call another function to do the work + */ + add_vert_defnr (ob, def_nr, vertnum, weight, assignmode); +} + +/* Only available in editmode */ +void assign_verts_defgroup (Object *obedit, float weight) +{ + Object *ob; + EditVert *eve; + bDeformGroup *dg, *eg; + MDeformWeight *newdw; + MDeformVert *dvert; + int i, done; + +// XXX if(multires_level1_test()) return; + + ob= obedit; + + if (!ob) + return; + + dg=BLI_findlink(&ob->defbase, ob->actdef-1); + if (!dg){ + error ("No vertex group is active"); + return; + } + + switch (ob->type){ + case OB_MESH: + { + Mesh *me= ob->data; + EditMesh *em = BKE_mesh_get_editmesh(me); + + if (!CustomData_has_layer(&em->vdata, CD_MDEFORMVERT)) + EM_add_data_layer(em, &em->vdata, CD_MDEFORMVERT); + + /* Go through the list of editverts and assign them */ + for (eve=em->verts.first; eve; eve=eve->next){ + dvert= CustomData_em_get(&em->vdata, eve->data, CD_MDEFORMVERT); + + if (dvert && (eve->f & 1)){ + done=0; + /* See if this vert already has a reference to this group */ + /* If so: Change its weight */ + done=0; + for (i=0; i<dvert->totweight; i++){ + eg = BLI_findlink (&ob->defbase, dvert->dw[i].def_nr); + /* Find the actual group */ + if (eg==dg){ + dvert->dw[i].weight= weight; + done=1; + break; + } + } + /* If not: Add the group and set its weight */ + if (!done){ + newdw = MEM_callocN (sizeof(MDeformWeight)*(dvert->totweight+1), "deformWeight"); + if (dvert->dw){ + memcpy (newdw, dvert->dw, sizeof(MDeformWeight)*dvert->totweight); + MEM_freeN (dvert->dw); + } + dvert->dw=newdw; + + dvert->dw[dvert->totweight].weight= weight; + dvert->dw[dvert->totweight].def_nr= ob->actdef-1; + + dvert->totweight++; + + } + } + } + BKE_mesh_end_editmesh(me, em); + } + break; + case OB_LATTICE: + { + Lattice *lt= def_get_lattice(ob); + BPoint *bp; + int a, tot; + + if(lt->dvert==NULL) + create_dverts(<->id); + + tot= lt->pntsu*lt->pntsv*lt->pntsw; + for(a=0, bp= lt->def; a<tot; a++, bp++) { + if(bp->f1 & SELECT) + add_vert_defnr (ob, ob->actdef-1, a, weight, WEIGHT_REPLACE); + } + } + break; + default: + printf ("Assigning deformation groups to unknown object type\n"); + break; + } + +} + +/* mesh object mode, lattice can be in editmode */ +void remove_vert_defgroup (Object *ob, bDeformGroup *dg, int vertnum) +{ + /* This routine removes the vertex from the specified + * deform group. + */ + + int def_nr; + + /* if the object is NULL abort + */ + if (!ob) + return; + + /* get the deform number that cooresponds + * to this deform group, and abort if it + * can not be found. + */ + def_nr = get_defgroup_num(ob, dg); + if (def_nr < 0) return; + + /* call another routine to do the work + */ + remove_vert_def_nr (ob, def_nr, vertnum); +} + +/* for mesh in object mode lattice can be in editmode */ +static float get_vert_def_nr (Object *ob, int def_nr, int vertnum) +{ + MDeformVert *dvert= NULL; + int i; + + /* get the deform vertices corresponding to the + * vertnum + */ + if(ob->type==OB_MESH) { + if( ((Mesh*)ob->data)->dvert ) + dvert = ((Mesh*)ob->data)->dvert + vertnum; + } + else if(ob->type==OB_LATTICE) { + Lattice *lt= def_get_lattice(ob); + + if(lt->dvert) + dvert = lt->dvert + vertnum; + } + + if(dvert==NULL) + return 0.0f; + + for(i=dvert->totweight-1 ; i>=0 ; i--) + if(dvert->dw[i].def_nr == def_nr) + return dvert->dw[i].weight; + + return 0.0f; +} + +/* mesh object mode, lattice can be in editmode */ +float get_vert_defgroup (Object *ob, bDeformGroup *dg, int vertnum) +{ + int def_nr; + + if(!ob) + return 0.0f; + + def_nr = get_defgroup_num(ob, dg); + if(def_nr < 0) return 0.0f; + + return get_vert_def_nr (ob, def_nr, vertnum); +} + +/* Only available in editmode */ +/* removes from active defgroup, if allverts==0 only selected vertices */ +void remove_verts_defgroup (Object *obedit, int allverts) +{ + Object *ob; + EditVert *eve; + MDeformVert *dvert; + MDeformWeight *newdw; + bDeformGroup *dg, *eg; + int i; + +// XXX if(multires_level1_test()) return; + + ob= obedit; + + if (!ob) + return; + + dg=BLI_findlink(&ob->defbase, ob->actdef-1); + if (!dg){ + error ("No vertex group is active"); + return; + } + + switch (ob->type){ + case OB_MESH: + { + Mesh *me= ob->data; + EditMesh *em = BKE_mesh_get_editmesh(me); + + for (eve=em->verts.first; eve; eve=eve->next){ + dvert= CustomData_em_get(&em->vdata, eve->data, CD_MDEFORMVERT); + + if (dvert && dvert->dw && ((eve->f & 1) || allverts)){ + for (i=0; i<dvert->totweight; i++){ + /* Find group */ + eg = BLI_findlink (&ob->defbase, dvert->dw[i].def_nr); + if (eg == dg){ + dvert->totweight--; + if (dvert->totweight){ + newdw = MEM_mallocN (sizeof(MDeformWeight)*(dvert->totweight), "deformWeight"); + + if (dvert->dw){ + memcpy (newdw, dvert->dw, sizeof(MDeformWeight)*i); + memcpy (newdw+i, dvert->dw+i+1, sizeof(MDeformWeight)*(dvert->totweight-i)); + MEM_freeN (dvert->dw); + } + dvert->dw=newdw; + } + else{ + MEM_freeN (dvert->dw); + dvert->dw=NULL; + break; + } + } + } + } + } + BKE_mesh_end_editmesh(me, em); + } + break; + case OB_LATTICE: + { + Lattice *lt= def_get_lattice(ob); + + if(lt->dvert) { + BPoint *bp; + int a, tot= lt->pntsu*lt->pntsv*lt->pntsw; + + for(a=0, bp= lt->def; a<tot; a++, bp++) { + if(allverts || (bp->f1 & SELECT)) + remove_vert_defgroup (ob, dg, a); + } + } + } + break; + + default: + printf ("Removing deformation groups from unknown object type\n"); + break; + } +} + +/* Only available in editmode */ +/* removes from all defgroup, if allverts==0 only selected vertices */ +void remove_verts_defgroups(Object *obedit, int allverts) +{ + Object *ob; + int actdef, defCount; + +// XXX if (multires_level1_test()) return; + + ob= obedit; + if (ob == NULL) return; + + actdef= ob->actdef; + defCount= BLI_countlist(&ob->defbase); + + if (defCount == 0) { + error("Object has no vertex groups"); + return; + } + + /* To prevent code redundancy, we just use remove_verts_defgroup, but that + * only operates on the active vgroup. So we iterate through all groups, by changing + * active group index + */ + for (ob->actdef= 1; ob->actdef <= defCount; ob->actdef++) + remove_verts_defgroup(ob, allverts); + + ob->actdef= actdef; +} + +void vertexgroup_select_by_name(Object *ob, char *name) +{ + bDeformGroup *curdef; + int actdef= 1; + + if(ob==NULL) return; + + for (curdef = ob->defbase.first; curdef; curdef=curdef->next, actdef++){ + if (!strcmp(curdef->name, name)) { + ob->actdef= actdef; + return; + } + } + ob->actdef=0; // this signals on painting to create a new one, if a bone in posemode is selected */ +} + +/* This function provides a shortcut for adding/removing verts from + * vertex groups. It is called by the Ctrl-G hotkey in EditMode for Meshes + * and Lattices. (currently only restricted to those two) + * It is only responsible for + */ +void vgroup_assign_with_menu(Scene *scene, Object *ob) +{ + VPaint *wp= scene->toolsettings->wpaint; + int defCount; + int mode= 0; + + /* prevent crashes */ + if (wp==NULL || ob==NULL) return; + + defCount= BLI_countlist(&ob->defbase); + + /* give user choices of adding to current/new or removing from current */ +// XXX if (defCount && ob->actdef) +// mode = pupmenu("Vertex Groups %t|Add Selected to New Group %x1|Add Selected to Active Group %x2|Remove Selected from Active Group %x3|Remove Selected from All Groups %x4"); +// else +// mode= pupmenu("Vertex Groups %t|Add Selected to New Group %x1"); + + /* handle choices */ + switch (mode) { + case 1: /* add to new group */ + add_defgroup(ob); + assign_verts_defgroup(ob, wp->brush->alpha); + BIF_undo_push("Assign to vertex group"); + break; + case 2: /* add to current group */ + assign_verts_defgroup(ob, wp->brush->alpha); + BIF_undo_push("Assign to vertex group"); + break; + case 3: /* remove from current group */ + remove_verts_defgroup(ob, 0); + BIF_undo_push("Remove from vertex group"); + break; + case 4: /* remove from all groups */ + remove_verts_defgroups(ob, 0); + BIF_undo_push("Remove from all vertex groups"); + break; + } +} + +/* This function provides a shortcut for commonly used vertex group + * functions - change weight (not implemented), change active group, delete active group, + * when Ctrl-Shift-G is used in EditMode, for Meshes and Lattices (only for now). + */ +void vgroup_operation_with_menu(Object *ob) +{ + int defCount; + int mode= 0; + + /* prevent crashes and useless cases */ + if (ob==NULL) return; + + defCount= BLI_countlist(&ob->defbase); + if (defCount == 0) return; + + /* give user choices of adding to current/new or removing from current */ +// XXX if (ob->actdef) +// mode = pupmenu("Vertex Groups %t|Change Active Group%x1|Delete Active Group%x2|Delete All Groups%x3"); +// else +// mode= pupmenu("Vertex Groups %t|Change Active Group%x1|Delete All Groups%x3"); + + /* handle choices */ + switch (mode) { + case 1: /* change active group*/ + { + char *menustr= NULL; // XXX get_vertexgroup_menustr(ob); + short nr; + + if (menustr) { +// XXX nr= pupmenu(menustr); + + if ((nr >= 1) && (nr <= defCount)) + ob->actdef= nr; + + MEM_freeN(menustr); + } + } + break; + case 2: /* delete active group */ + { + del_defgroup(ob); + BIF_undo_push("Delete vertex group"); + } + break; + case 3: /* delete all groups */ + { + del_all_defgroups(ob); + BIF_undo_push("Delete all vertex groups"); + } + break; + } +} + + |