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/* SPDX-License-Identifier: GPL-2.0-or-later
* Copyright 2001-2002 NaN Holding BV. All rights reserved. */
/** \file
* \ingroup edtransform
*/
#include "DNA_curve_types.h"
#include "DNA_lattice_types.h"
#include "MEM_guardedalloc.h"
#include "BLI_math.h"
#include "BKE_context.h"
#include "BKE_lattice.h"
#include "transform.h"
#include "transform_snap.h"
/* Own include. */
#include "transform_convert.h"
/* -------------------------------------------------------------------- */
/** \name Curve/Surfaces Transform Creation
* \{ */
static void createTransLatticeVerts(bContext *UNUSED(C), TransInfo *t)
{
FOREACH_TRANS_DATA_CONTAINER (t, tc) {
Lattice *latt = ((Lattice *)tc->obedit->data)->editlatt->latt;
TransData *td = NULL;
BPoint *bp;
float mtx[3][3], smtx[3][3];
int a;
int count = 0, countsel = 0;
const bool is_prop_edit = (t->flag & T_PROP_EDIT) != 0;
const bool is_prop_connected = (t->flag & T_PROP_CONNECTED) != 0;
bp = latt->def;
a = latt->pntsu * latt->pntsv * latt->pntsw;
while (a--) {
if (bp->hide == 0) {
if (bp->f1 & SELECT) {
countsel++;
}
if (is_prop_edit) {
count++;
}
}
bp++;
}
/* Support other objects using PET to adjust these, unless connected is enabled. */
if (((is_prop_edit && !is_prop_connected) ? count : countsel) == 0) {
tc->data_len = 0;
continue;
}
if (is_prop_edit) {
tc->data_len = count;
}
else {
tc->data_len = countsel;
}
tc->data = MEM_callocN(tc->data_len * sizeof(TransData), "TransObData(Lattice EditMode)");
copy_m3_m4(mtx, tc->obedit->object_to_world);
pseudoinverse_m3_m3(smtx, mtx, PSEUDOINVERSE_EPSILON);
td = tc->data;
bp = latt->def;
a = latt->pntsu * latt->pntsv * latt->pntsw;
while (a--) {
if (is_prop_edit || (bp->f1 & SELECT)) {
if (bp->hide == 0) {
copy_v3_v3(td->iloc, bp->vec);
td->loc = bp->vec;
copy_v3_v3(td->center, td->loc);
if (bp->f1 & SELECT) {
td->flag = TD_SELECTED;
}
else {
td->flag = 0;
}
copy_m3_m3(td->smtx, smtx);
copy_m3_m3(td->mtx, mtx);
td->ext = NULL;
td->val = NULL;
td++;
}
}
bp++;
}
}
}
static void recalcData_lattice(TransInfo *t)
{
if (t->state != TRANS_CANCEL) {
applySnappingIndividual(t);
}
FOREACH_TRANS_DATA_CONTAINER (t, tc) {
Lattice *la = tc->obedit->data;
DEG_id_tag_update(tc->obedit->data, ID_RECALC_GEOMETRY);
if (la->editlatt->latt->flag & LT_OUTSIDE) {
outside_lattice(la->editlatt->latt);
}
}
}
/** \} */
TransConvertTypeInfo TransConvertType_Lattice = {
/* flags */ (T_EDIT | T_POINTS),
/* createTransData */ createTransLatticeVerts,
/* recalcData */ recalcData_lattice,
/* special_aftertrans_update */ NULL,
};
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