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|
/**
* $Id$
*
* ***** BEGIN GPL/BL DUAL 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. The Blender
* Foundation also sells licenses for use in proprietary software under
* the Blender License. See http://www.blender.org/BL/ for information
* about this.
*
* 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/BL DUAL LICENSE BLOCK *****
* Creator-specific support for vertex deformation groups
* Added: apply deform function (ton)
*/
#include <string.h>
#include "MEM_guardedalloc.h"
#include "DNA_curve_types.h"
#include "DNA_lattice_types.h"
#include "DNA_mesh_types.h"
#include "DNA_meshdata_types.h"
#include "DNA_object_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 "BIF_editdeform.h"
#include "BIF_editmesh.h"
#include "BIF_toolbox.h"
#include "BSE_edit.h"
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
/* only in editmode */
void sel_verts_defgroup (int select)
{
EditVert *eve;
Object *ob;
int i;
MDeformVert *dvert;
ob= G.obedit;
if (!ob)
return;
switch (ob->type){
case OB_MESH:
for (eve=G.editMesh->verts.first; eve; eve=eve->next){
dvert= CustomData_em_get(&G.editMesh->vdata, eve->data, LAYERTYPE_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(); // vertices to edges/faces
else EM_deselect_flush();
break;
case OB_LATTICE:
if(editLatt->dvert) {
BPoint *bp;
int a, tot;
dvert= editLatt->dvert;
tot= editLatt->pntsu*editLatt->pntsv*editLatt->pntsw;
for(a=0, bp= editLatt->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;
}
countall();
}
/* 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);
}
void add_defgroup (Object *ob)
{
add_defgroup_name (ob, "Group");
}
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 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(1);
/* Make sure that any verts with higher indices are adjusted accordingly */
if(ob->type==OB_MESH) {
EditMesh *em = G.editMesh;
EditVert *eve;
MDeformVert *dvert;
for (eve=em->verts.first; eve; eve=eve->next){
dvert= CustomData_em_get(&G.editMesh->vdata, eve->data, LAYERTYPE_MDEFORMVERT);
if (dvert)
for (i=0; i<dvert->totweight; i++)
if (dvert->dw[i].def_nr > (ob->actdef-1))
dvert->dw[i].def_nr--;
}
}
else {
BPoint *bp;
MDeformVert *dvert= editLatt->dvert;
int a, tot;
tot= editLatt->pntsu*editLatt->pntsv*editLatt->pntsw;
for(a=0, bp= editLatt->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--;
}
}
}
/* 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) {
Mesh *me= ob->data;
free_dverts(me->dvert, me->totvert);
me->dvert= NULL;
}
}
void create_dverts(ID *id)
{
/* create deform verts
*/
if( GS(id->name)==ID_ME) {
Mesh *me= (Mesh *)id;
me->dvert= MEM_callocN(sizeof(MDeformVert)*me->totvert, "deformVert");
}
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= ob->data;
if(ob==G.obedit)
lt= editLatt;
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;
}
}
}
}
/* 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;
if(ob==G.obedit)
lt= editLatt;
else
lt= ob->data;
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 (void)
{
extern float editbutvweight; /* buttons.c */
Object *ob;
EditVert *eve;
bDeformGroup *dg, *eg;
MDeformWeight *newdw;
MDeformVert *dvert;
int i, done;
ob= G.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:
if (!CustomData_has_layer(&G.editMesh->vdata, LAYERTYPE_MDEFORMVERT))
EM_add_data_layer(&G.editMesh->vdata, LAYERTYPE_MDEFORMVERT);
/* Go through the list of editverts and assign them */
for (eve=G.editMesh->verts.first; eve; eve=eve->next){
dvert= CustomData_em_get(&G.editMesh->vdata, eve->data, LAYERTYPE_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=editbutvweight;
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= editbutvweight;
dvert->dw[dvert->totweight].def_nr= ob->actdef-1;
dvert->totweight++;
}
}
}
break;
case OB_LATTICE:
{
BPoint *bp;
int a, tot;
if(editLatt->dvert==NULL)
create_dverts(&editLatt->id);
tot= editLatt->pntsu*editLatt->pntsv*editLatt->pntsw;
for(a=0, bp= editLatt->def; a<tot; a++, bp++) {
if(bp->f1 & SELECT)
add_vert_defnr (ob, ob->actdef-1, a, editbutvweight, 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);
}
/* Only available in editmode */
/* removes from active defgroup, if allverts==0 only selected vertices */
void remove_verts_defgroup (int allverts)
{
Object *ob;
EditVert *eve;
MDeformVert *dvert;
MDeformWeight *newdw;
bDeformGroup *dg, *eg;
int i;
ob= G.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:
for (eve=G.editMesh->verts.first; eve; eve=eve->next){
dvert= CustomData_em_get(&G.editMesh->vdata, eve->data, LAYERTYPE_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;
case OB_LATTICE:
if(editLatt->dvert) {
BPoint *bp;
int a, tot= editLatt->pntsu*editLatt->pntsv*editLatt->pntsw;
for(a=0, bp= editLatt->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;
}
}
void unique_vertexgroup_name (bDeformGroup *dg, Object *ob)
{
bDeformGroup *curdef;
int number;
int exists = 0;
char tempname[64];
char *dot;
if (!ob)
return;
/* See if we even need to do this */
for (curdef = ob->defbase.first; curdef; curdef=curdef->next){
if (dg!=curdef){
if (!strcmp(curdef->name, dg->name)){
exists = 1;
break;
}
}
}
if (!exists)
return;
/* Strip off the suffix */
dot=strchr(dg->name, '.');
if (dot)
*dot=0;
for (number = 1; number <=999; number++){
sprintf (tempname, "%s.%03d", dg->name, number);
exists = 0;
for (curdef=ob->defbase.first; curdef; curdef=curdef->next){
if (dg!=curdef){
if (!strcmp (curdef->name, tempname)){
exists = 1;
break;
}
}
}
if (!exists){
BLI_strncpy (dg->name, tempname, 32);
return;
}
}
}
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 */
}
/* ******************* other deform edit stuff ********** */
void object_apply_deform(Object *ob)
{
notice("Apply Deformation now only availble in Modifier buttons");
}
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