Differential D5677 Diff 17879 source/blender/editors/transform/transform_convert_mball.c

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source/blender/editors/transform/transform_convert_mball.c

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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 "BKE_report.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++;
				}
				}
				}
				}

				/** \} */