114 lines
3.0 KiB
C
114 lines
3.0 KiB
C
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/*
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* ***** BEGIN GPL LICENSE BLOCK *****
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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* The Original Code is Copyright (C) 2001-2002 by NaN Holding BV.
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* All rights reserved.
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*
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* Contributor(s): Blender Foundation
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*
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* ***** END GPL LICENSE BLOCK *****
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*/
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/** \file blender/editors/lattice/editlattice_undo.c
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* \ingroup edlattice
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*/
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#include <stdlib.h>
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#include <string.h>
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#include <math.h>
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#include "MEM_guardedalloc.h"
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#include "BLI_utildefines.h"
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#include "DNA_curve_types.h"
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#include "DNA_lattice_types.h"
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#include "DNA_object_types.h"
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#include "DNA_scene_types.h"
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#include "BKE_context.h"
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#include "ED_lattice.h"
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#include "ED_util.h"
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#include "lattice_intern.h"
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typedef struct UndoLattice {
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BPoint *def;
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int pntsu, pntsv, pntsw, actbp;
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} UndoLattice;
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static void undoLatt_to_editLatt(void *data, void *edata, void *UNUSED(obdata))
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{
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UndoLattice *ult = (UndoLattice *)data;
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EditLatt *editlatt = (EditLatt *)edata;
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int a = editlatt->latt->pntsu * editlatt->latt->pntsv * editlatt->latt->pntsw;
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memcpy(editlatt->latt->def, ult->def, a * sizeof(BPoint));
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editlatt->latt->actbp = ult->actbp;
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}
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static void *editLatt_to_undoLatt(void *edata, void *UNUSED(obdata))
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{
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UndoLattice *ult = MEM_callocN(sizeof(UndoLattice), "UndoLattice");
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EditLatt *editlatt = (EditLatt *)edata;
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ult->def = MEM_dupallocN(editlatt->latt->def);
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ult->pntsu = editlatt->latt->pntsu;
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ult->pntsv = editlatt->latt->pntsv;
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ult->pntsw = editlatt->latt->pntsw;
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ult->actbp = editlatt->latt->actbp;
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return ult;
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}
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static void free_undoLatt(void *data)
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{
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UndoLattice *ult = (UndoLattice *)data;
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if (ult->def) MEM_freeN(ult->def);
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MEM_freeN(ult);
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}
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static int validate_undoLatt(void *data, void *edata)
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{
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UndoLattice *ult = (UndoLattice *)data;
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EditLatt *editlatt = (EditLatt *)edata;
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return (ult->pntsu == editlatt->latt->pntsu &&
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ult->pntsv == editlatt->latt->pntsv &&
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ult->pntsw == editlatt->latt->pntsw);
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}
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static void *get_editlatt(bContext *C)
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{
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Object *obedit = CTX_data_edit_object(C);
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if (obedit && obedit->type == OB_LATTICE) {
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Lattice *lt = obedit->data;
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return lt->editlatt;
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}
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return NULL;
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}
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/* and this is all the undo system needs to know */
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void undo_push_lattice(bContext *C, const char *name)
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{
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undo_editmode_push(C, name, get_editlatt, free_undoLatt, undoLatt_to_editLatt, editLatt_to_undoLatt, validate_undoLatt);
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}
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