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/*
* ***** 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) 2001-2002 by NaN Holding BV.
* All rights reserved.
*
* The Original Code is: all of this file.
*
* Contributor(s): none yet.
*
* ***** END GPL LICENSE BLOCK *****
*/
#ifndef __BKE_DEFORM_H__
#define __BKE_DEFORM_H__
/** \file BKE_deform.h
* \ingroup bke
* \since June 2001
* \author Reevan McKay et al
* \brief support for deformation groups and hooks.
*/
struct Object;
struct ListBase;
struct bDeformGroup;
struct MDeformVert;
struct MEdge;
struct MLoop;
struct MPoly;
struct bDeformGroup *BKE_defgroup_new(struct Object *ob, const char *name);
void defgroup_copy_list(struct ListBase *lb1, const struct ListBase *lb2);
struct bDeformGroup *defgroup_duplicate(const struct bDeformGroup *ingroup);
struct bDeformGroup *defgroup_find_name(struct Object *ob, const char *name);
int *defgroup_flip_map(struct Object *ob, int *flip_map_len, const bool use_default);
int *defgroup_flip_map_single(struct Object *ob, int *flip_map_len, const bool use_default, int defgroup);
int defgroup_flip_index(struct Object *ob, int index, const bool use_default);
int defgroup_name_index(struct Object *ob, const char *name);
void defgroup_unique_name(struct bDeformGroup *dg, struct Object *ob);
struct MDeformWeight *defvert_find_index(const struct MDeformVert *dv, const int defgroup);
struct MDeformWeight *defvert_verify_index(struct MDeformVert *dv, const int defgroup);
void defvert_add_index_notest(struct MDeformVert *dv, int defgroup, const float weight);
void defvert_remove_group(struct MDeformVert *dvert, struct MDeformWeight *dw);
void defvert_clear(struct MDeformVert *dvert);
int defvert_find_shared(const struct MDeformVert *dvert_a, const struct MDeformVert *dvert_b);
bool defvert_is_weight_zero(const struct MDeformVert *dvert, const int defgroup_tot);
void BKE_defvert_array_free_elems(struct MDeformVert *dvert, int totvert);
void BKE_defvert_array_free(struct MDeformVert *dvert, int totvert);
void BKE_defvert_array_copy(struct MDeformVert *dst, const struct MDeformVert *src, int totvert);
float defvert_find_weight(const struct MDeformVert *dvert, const int defgroup);
float defvert_array_find_weight_safe(const struct MDeformVert *dvert, const int index, const int defgroup);
float BKE_defvert_multipaint_collective_weight(
const struct MDeformVert *dv, int defbase_tot,
const bool *defbase_sel, int defbase_tot_sel, bool do_autonormalize);
void defvert_copy(struct MDeformVert *dvert_dst, const struct MDeformVert *dvert_src);
void defvert_copy_subset(
struct MDeformVert *dvert_dst, const struct MDeformVert *dvert_src,
const bool *vgroup_subset, const int vgroup_tot);
void defvert_mirror_subset(
struct MDeformVert *dvert_dst, const struct MDeformVert *dvert_src,
const bool *vgroup_subset, const int vgroup_tot,
const int *flip_map, const int flip_map_len);
void defvert_copy_index(
struct MDeformVert *dvert_dst, const int defgroup_dst,
const struct MDeformVert *dvert_src, const int defgroup_src);
void defvert_sync(struct MDeformVert *dvert_dst, const struct MDeformVert *dvert_src, const bool use_verify);
void defvert_sync_mapped(
struct MDeformVert *dvert_dst, const struct MDeformVert *dvert_src,
const int *flip_map, const int flip_map_len, const bool use_verify);
void defvert_remap(struct MDeformVert *dvert, int *map, const int map_len);
void defvert_flip(struct MDeformVert *dvert, const int *flip_map, const int flip_map_len);
void defvert_flip_merged(struct MDeformVert *dvert, const int *flip_map, const int flip_map_len);
void defvert_normalize(struct MDeformVert *dvert);
void defvert_normalize_subset(
struct MDeformVert *dvert,
const bool *vgroup_subset, const int vgroup_tot);
void defvert_normalize_lock_single(
struct MDeformVert *dvert,
const bool *vgroup_subset, const int vgroup_tot,
const int def_nr_lock);
void defvert_normalize_lock_map(
struct MDeformVert *dvert,
const bool *vgroup_subset, const int vgroup_tot,
const bool *lock_flags, const int defbase_tot);
/* Utilities to 'extract' a given vgroup into a simple float array, for verts, but also edges/polys/loops. */
void BKE_defvert_extract_vgroup_to_vertweights(
struct MDeformVert *dvert, const int defgroup, const int num_verts, float *r_weights, const bool invert_vgroup);
void BKE_defvert_extract_vgroup_to_edgeweights(
struct MDeformVert *dvert, const int defgroup, const int num_verts, struct MEdge *edges, const int num_edges,
float *r_weights, const bool invert_vgroup);
void BKE_defvert_extract_vgroup_to_loopweights(
struct MDeformVert *dvert, const int defgroup, const int num_verts, struct MLoop *loops, const int num_loops,
float *r_weights, const bool invert_vgroup);
void BKE_defvert_extract_vgroup_to_polyweights(
struct MDeformVert *dvert, const int defgroup, const int num_verts, struct MLoop *loops, const int num_loops,
struct MPoly *polys, const int num_polys, float *r_weights, const bool invert_vgroup);
#endif /* __BKE_DEFORM_H__ */
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