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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 <stdlib.h>
#include "BLI_math.h"
#include "BKE_context.h"
#include "ED_screen.h"
#include "BLT_translation.h"
#include "transform.h"
#include "transform_convert.h"
#include "transform_mode.h"
/* -------------------------------------------------------------------- */
/** \name Transform (Align)
* \{ */
static void applyAlign(TransInfo *t, const int UNUSED(mval[2]))
{
float center[3];
int i;
FOREACH_TRANS_DATA_CONTAINER (t, tc) {
/* saving original center */
copy_v3_v3(center, tc->center_local);
TransData *td = tc->data;
for (i = 0; i < tc->data_len; i++, td++) {
float mat[3][3], invmat[3][3];
if (td->flag & TD_SKIP) {
continue;
}
/* around local centers */
if (t->options & (CTX_OBJECT | CTX_POSE_BONE)) {
copy_v3_v3(tc->center_local, td->center);
}
else {
if (t->settings->selectmode & SCE_SELECT_FACE) {
copy_v3_v3(tc->center_local, td->center);
}
}
invert_m3_m3(invmat, td->axismtx);
mul_m3_m3m3(mat, t->spacemtx, invmat);
ElementRotation(t, tc, td, mat, t->around);
}
/* restoring original center */
copy_v3_v3(tc->center_local, center);
}
recalcData(t);
ED_area_status_text(t->area, TIP_("Align"));
}
void initAlign(TransInfo *t)
{
t->flag |= T_NO_CONSTRAINT;
t->transform = applyAlign;
initMouseInputMode(t, &t->mouse, INPUT_NONE);
}
/** \} */
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