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/*
* 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
* The Original Code is Copyright (C) 2001-2002 by NaN Holding BV.
* All rights reserved.
*/
/** \file
* \ingroup edtransform
*/
#include "DNA_meta_types.h"
#include "MEM_guardedalloc.h"
#include "BLI_math.h"
#include "BKE_context.h"
#include "transform.h"
#include "transform_convert.h"
/* -------------------------------------------------------------------- */
/** \name Meta Elements Transform Creation
*
* \{ */
void createTransMBallVerts(TransInfo *t)
{
FOREACH_TRANS_DATA_CONTAINER (t, tc) {
MetaBall *mb = (MetaBall *)tc->obedit->data;
MetaElem *ml;
TransData *td;
TransDataExtension *tx;
float mtx[3][3], smtx[3][3];
int count = 0, countsel = 0;
const bool is_prop_edit = (t->flag & T_PROP_EDIT) != 0;
/* count totals */
for (ml = mb->editelems->first; ml; ml = ml->next) {
if (ml->flag & SELECT) {
countsel++;
}
if (is_prop_edit) {
count++;
}
}
/* note: in prop mode we need at least 1 selected */
if (countsel == 0) {
continue;
}
if (is_prop_edit) {
tc->data_len = count;
}
else {
tc->data_len = countsel;
}
td = tc->data = MEM_callocN(tc->data_len * sizeof(TransData), "TransObData(MBall EditMode)");
tx = tc->data_ext = MEM_callocN(tc->data_len * sizeof(TransDataExtension),
"MetaElement_TransExtension");
copy_m3_m4(mtx, tc->obedit->obmat);
pseudoinverse_m3_m3(smtx, mtx, PSEUDOINVERSE_EPSILON);
for (ml = mb->editelems->first; ml; ml = ml->next) {
if (is_prop_edit || (ml->flag & SELECT)) {
td->loc = &ml->x;
copy_v3_v3(td->iloc, td->loc);
copy_v3_v3(td->center, td->loc);
quat_to_mat3(td->axismtx, ml->quat);
if (ml->flag & SELECT) {
td->flag = TD_SELECTED | TD_USEQUAT | TD_SINGLESIZE;
}
else {
td->flag = TD_USEQUAT;
}
copy_m3_m3(td->smtx, smtx);
copy_m3_m3(td->mtx, mtx);
td->ext = tx;
/* Radius of MetaElem (mass of MetaElem influence) */
if (ml->flag & MB_SCALE_RAD) {
td->val = &ml->rad;
td->ival = ml->rad;
}
else {
td->val = &ml->s;
td->ival = ml->s;
}
/* expx/expy/expz determine "shape" of some MetaElem types */
tx->size = &ml->expx;
tx->isize[0] = ml->expx;
tx->isize[1] = ml->expy;
tx->isize[2] = ml->expz;
/* quat is used for rotation of MetaElem */
tx->quat = ml->quat;
copy_qt_qt(tx->iquat, ml->quat);
tx->rot = NULL;
td++;
tx++;
}
}
}
}
/** \} */
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