tornavis/source/blender/blenkernel/intern/editlattice.cc

140 lines
3.2 KiB
C++

/* SPDX-FileCopyrightText: 2023 Blender Authors
*
* SPDX-License-Identifier: GPL-2.0-or-later */
/** \file
* \ingroup bke
*/
#include "MEM_guardedalloc.h"
#include "DNA_curve_types.h"
#include "DNA_key_types.h"
#include "DNA_lattice_types.h"
#include "DNA_listBase.h"
#include "DNA_meshdata_types.h"
#include "DNA_object_types.h"
#include "BLI_listbase.h"
#include "BLI_math_vector.h"
#include "BKE_deform.h"
#include "BKE_key.h"
#include "BKE_editlattice.h" /* own include */
void BKE_editlattice_free(Object *ob)
{
Lattice *lt = static_cast<Lattice *>(ob->data);
if (lt->editlatt) {
Lattice *editlt = lt->editlatt->latt;
if (editlt->def) {
MEM_freeN(editlt->def);
}
if (editlt->dvert) {
BKE_defvert_array_free(editlt->dvert, editlt->pntsu * editlt->pntsv * editlt->pntsw);
}
MEM_freeN(editlt);
MEM_freeN(lt->editlatt);
lt->editlatt = nullptr;
}
}
void BKE_editlattice_make(Object *obedit)
{
Lattice *lt = static_cast<Lattice *>(obedit->data);
KeyBlock *actkey;
BKE_editlattice_free(obedit);
actkey = BKE_keyblock_from_object(obedit);
if (actkey) {
BKE_keyblock_convert_to_lattice(actkey, lt);
}
lt->editlatt = static_cast<EditLatt *>(MEM_callocN(sizeof(EditLatt), "editlatt"));
lt->editlatt->latt = static_cast<Lattice *>(MEM_dupallocN(lt));
lt->editlatt->latt->def = static_cast<BPoint *>(MEM_dupallocN(lt->def));
if (lt->dvert) {
int tot = lt->pntsu * lt->pntsv * lt->pntsw;
lt->editlatt->latt->dvert = static_cast<MDeformVert *>(
MEM_mallocN(sizeof(MDeformVert) * tot, "Lattice MDeformVert"));
BKE_defvert_array_copy(lt->editlatt->latt->dvert, lt->dvert, tot);
}
if (lt->key) {
lt->editlatt->shapenr = obedit->shapenr;
}
}
void BKE_editlattice_load(Object *obedit)
{
Lattice *lt, *editlt;
KeyBlock *actkey;
BPoint *bp;
float *fp;
int tot;
lt = static_cast<Lattice *>(obedit->data);
editlt = lt->editlatt->latt;
MEM_freeN(lt->def);
lt->def = static_cast<BPoint *>(MEM_dupallocN(editlt->def));
lt->flag = editlt->flag;
lt->pntsu = editlt->pntsu;
lt->pntsv = editlt->pntsv;
lt->pntsw = editlt->pntsw;
lt->typeu = editlt->typeu;
lt->typev = editlt->typev;
lt->typew = editlt->typew;
lt->actbp = editlt->actbp;
lt->fu = editlt->fu;
lt->fv = editlt->fv;
lt->fw = editlt->fw;
lt->du = editlt->du;
lt->dv = editlt->dv;
lt->dw = editlt->dw;
if (lt->editlatt->shapenr) {
actkey = static_cast<KeyBlock *>(BLI_findlink(&lt->key->block, lt->editlatt->shapenr - 1));
/* active key: vertices */
tot = editlt->pntsu * editlt->pntsv * editlt->pntsw;
if (actkey->data) {
MEM_freeN(actkey->data);
}
fp = static_cast<float *>(actkey->data = MEM_callocN(lt->key->elemsize * tot, "actkey->data"));
actkey->totelem = tot;
bp = editlt->def;
while (tot--) {
copy_v3_v3(fp, bp->vec);
fp += 3;
bp++;
}
}
if (lt->dvert) {
BKE_defvert_array_free(lt->dvert, lt->pntsu * lt->pntsv * lt->pntsw);
lt->dvert = nullptr;
}
if (editlt->dvert) {
tot = lt->pntsu * lt->pntsv * lt->pntsw;
lt->dvert = static_cast<MDeformVert *>(
MEM_mallocN(sizeof(MDeformVert) * tot, "Lattice MDeformVert"));
BKE_defvert_array_copy(lt->dvert, editlt->dvert, tot);
}
}