diff options
Diffstat (limited to 'source/blender/blenkernel/intern/object_facemap.c')
| -rw-r--r-- | source/blender/blenkernel/intern/object_facemap.c | 257 |
1 files changed, 257 insertions, 0 deletions
diff --git a/source/blender/blenkernel/intern/object_facemap.c b/source/blender/blenkernel/intern/object_facemap.c new file mode 100644 index 00000000000..ef254864d2e --- /dev/null +++ b/source/blender/blenkernel/intern/object_facemap.c @@ -0,0 +1,257 @@ + +/* + * ***** BEGIN GPL LICENSE BLOCK ***** + * + * 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) 2008 Blender Foundation. + * All rights reserved. + * + * + * Contributor(s): Blender Foundation + * + * ***** END GPL LICENSE BLOCK ***** + */ + +/** \file blender/blenkernel/intern/object_facemap.c + * \ingroup bke + */ + +#include <string.h> + +#include "DNA_object_types.h" +#include "DNA_mesh_types.h" + +#include "BLI_utildefines.h" +#include "BLI_path_util.h" +#include "BLI_string.h" +#include "BLI_string_utils.h" +#include "BLI_listbase.h" + +#include "BKE_context.h" +#include "BKE_customdata.h" +#include "BKE_editmesh.h" +#include "BKE_object.h" +#include "BKE_object_facemap.h" /* own include */ +#include "BKE_object_deform.h" + +#include "BLT_translation.h" + +#include "MEM_guardedalloc.h" + +#include "RNA_define.h" +#include "RNA_access.h" + +static bool fmap_unique_check(void *arg, const char *name) +{ + struct {Object *ob; void *fm; } *data = arg; + + bFaceMap *fmap; + + for (fmap = data->ob->fmaps.first; fmap; fmap = fmap->next) { + if (data->fm != fmap) { + if (!strcmp(fmap->name, name)) { + return true; + } + } + } + + return false; +} + +static bFaceMap *fmap_duplicate(bFaceMap *infmap) +{ + bFaceMap *outfmap; + + if (!infmap) + return NULL; + + outfmap = MEM_callocN(sizeof(bFaceMap), "copy facemap"); + + /* For now, just copy everything over. */ + memcpy(outfmap, infmap, sizeof(bFaceMap)); + + outfmap->next = outfmap->prev = NULL; + + return outfmap; +} + +void BKE_object_facemap_copy_list(ListBase *outbase, const ListBase *inbase) +{ + bFaceMap *fmap, *fmapn; + + BLI_listbase_clear(outbase); + + for (fmap = inbase->first; fmap; fmap = fmap->next) { + fmapn = fmap_duplicate(fmap); + BLI_addtail(outbase, fmapn); + } +} + +void BKE_object_facemap_unique_name(Object *ob, bFaceMap *fmap) +{ + struct {Object *ob; void *fmap; } data; + data.ob = ob; + data.fmap = fmap; + + BLI_uniquename_cb(fmap_unique_check, &data, DATA_("Group"), '.', fmap->name, sizeof(fmap->name)); +} + +bFaceMap *BKE_object_facemap_add_name(Object *ob, const char *name) +{ + bFaceMap *fmap; + + if (!ob || ob->type != OB_MESH) + return NULL; + + fmap = MEM_callocN(sizeof(bFaceMap), __func__); + + BLI_strncpy(fmap->name, name, sizeof(fmap->name)); + + BLI_addtail(&ob->fmaps, fmap); + + ob->actfmap = BLI_listbase_count(&ob->fmaps); + + BKE_object_facemap_unique_name(ob, fmap); + + return fmap; +} + +bFaceMap *BKE_object_facemap_add(Object *ob) +{ + return BKE_object_facemap_add_name(ob, DATA_("FaceMap")); +} + + +static void object_fmap_remove_edit_mode(Object *ob, bFaceMap *fmap, bool do_selected, bool purge) +{ + const int fmap_nr = BLI_findindex(&ob->fmaps, fmap); + + if (ob->type == OB_MESH) { + Mesh *me = ob->data; + + if (me->edit_btmesh) { + BMEditMesh *em = me->edit_btmesh; + const int cd_fmap_offset = CustomData_get_offset(&em->bm->pdata, CD_FACEMAP); + + if (cd_fmap_offset != -1) { + BMFace *efa; + BMIter iter; + int *map; + + if (purge) { + BM_ITER_MESH (efa, &iter, em->bm, BM_FACES_OF_MESH) { + map = BM_ELEM_CD_GET_VOID_P(efa, cd_fmap_offset); + + if (map) { + if (*map == fmap_nr) + *map = -1; + else if (*map > fmap_nr) + *map -= 1; + } + } + } + else { + BM_ITER_MESH (efa, &iter, em->bm, BM_FACES_OF_MESH) { + map = BM_ELEM_CD_GET_VOID_P(efa, cd_fmap_offset); + + if (map && *map == fmap_nr && (!do_selected || BM_elem_flag_test(efa, BM_ELEM_SELECT))) { + *map = -1; + } + } + } + } + + if (ob->actfmap == BLI_listbase_count(&ob->fmaps)) + ob->actfmap--; + + BLI_remlink(&ob->fmaps, fmap); + MEM_freeN(fmap); + } + } +} + +static void object_fmap_remove_object_mode(Object *ob, bFaceMap *fmap, bool purge) +{ + const int fmap_nr = BLI_findindex(&ob->fmaps, fmap); + + if (ob->type == OB_MESH) { + Mesh *me = ob->data; + + if (CustomData_has_layer(&me->pdata, CD_FACEMAP)) { + int *map = CustomData_get_layer(&me->pdata, CD_FACEMAP); + int i; + + if (map) { + for (i = 0; i < me->totpoly; i++) { + if (map[i] == fmap_nr) + map[i] = -1; + else if (purge && map[i] > fmap_nr) + map[i]--; + } + } + } + + if (ob->actfmap == BLI_listbase_count(&ob->fmaps)) + ob->actfmap--; + + BLI_remlink(&ob->fmaps, fmap); + MEM_freeN(fmap); + } +} + +static void fmap_remove_exec(Object *ob, bFaceMap *fmap, const bool is_edit_mode, const bool purge) +{ + if (is_edit_mode) + object_fmap_remove_edit_mode(ob, fmap, false, purge); + else + object_fmap_remove_object_mode(ob, fmap, purge); +} + +void BKE_object_facemap_remove(Object *ob, bFaceMap *fmap) +{ + fmap_remove_exec(ob, fmap, BKE_object_is_in_editmode(ob), true); +} + +void BKE_object_facemap_clear(Object *ob) +{ + bFaceMap *fmap = (bFaceMap *)ob->fmaps.first; + + if (fmap) { + const bool edit_mode = BKE_object_is_in_editmode_vgroup(ob); + + while (fmap) { + bFaceMap *next_fmap = fmap->next; + fmap_remove_exec(ob, fmap, edit_mode, false); + fmap = next_fmap; + } + } + /* remove all face-maps */ + if (ob->type == OB_MESH) { + Mesh *me = ob->data; + CustomData_free_layer(&me->pdata, CD_FACEMAP, me->totpoly, 0); + } + ob->actfmap = 0; +} + +int BKE_object_facemap_name_index(Object *ob, const char *name) +{ + return (name) ? BLI_findstringindex(&ob->fmaps, name, offsetof(bFaceMap, name)) : -1; +} + +bFaceMap *BKE_object_facemap_find_name(Object *ob, const char *name) +{ + return BLI_findstring(&ob->fmaps, name, offsetof(bFaceMap, name)); +} |