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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.
*
* Contributor(s): Joseph Eagar.
*
* ***** END GPL LICENSE BLOCK *****
*/
#ifndef __BKE_EDITMESH_H__
#define __BKE_EDITMESH_H__
/** \file BKE_editmesh.h
* \ingroup bke
*/
#include "BKE_customdata.h"
#include "bmesh.h"
struct BMesh;
struct BMLoop;
struct BMFace;
struct Mesh;
struct Scene;
struct DerivedMesh;
struct MeshStatVis;
struct MTopoHash;
/* ok: the EDBM module is for editmode bmesh stuff. in contrast, the
* BMEdit module is for code shared with blenkernel that concerns
* the BMEditMesh structure.
*/
/* this structure replaces EditMesh.
*
* through this, you get access to both the edit bmesh,
* it's tessellation, and various stuff that doesn't belong in the BMesh
* struct itself.
*
* the entire derivedmesh and modifier system works with this structure,
* and not BMesh. Mesh->edit_bmesh stores a pointer to this structure. */
typedef struct BMEditMesh {
struct BMesh *bm;
/*this is for undoing failed operations*/
struct BMEditMesh *emcopy;
int emcopyusers;
/* we store tessellations as triplets of three loops,
* which each define a triangle.*/
struct BMLoop *(*looptris)[3];
int tottri;
/*derivedmesh stuff*/
struct DerivedMesh *derivedFinal, *derivedCage;
CustomDataMask lastDataMask;
unsigned char (*derivedVertColor)[4];
int derivedVertColorLen;
unsigned char (*derivedFaceColor)[4];
int derivedFaceColorLen;
/*selection mode*/
short selectmode;
short mat_nr;
/* Object this editmesh came from (if it came from one) */
struct Object *ob;
/*temp variables for x-mirror editing*/
int mirror_cdlayer; /* -1 is invalid */
} BMEditMesh;
/* editmesh.c */
void BKE_editmesh_tessface_calc(BMEditMesh *em);
BMEditMesh *BKE_editmesh_create(BMesh *bm, const bool do_tessellate);
BMEditMesh *BKE_editmesh_copy(BMEditMesh *em);
BMEditMesh *BKE_editmesh_from_object(struct Object *ob);
void BKE_editmesh_free_derivedmesh(BMEditMesh *em);
void BKE_editmesh_free(BMEditMesh *em);
void BKE_editmesh_update_linked_customdata(BMEditMesh *em);
void BKE_editmesh_color_free(BMEditMesh *em);
void BKE_editmesh_color_ensure(BMEditMesh *em, const char htype);
/* Topology hash compute/check. */
void BKE_editmesh_topohash_compute(BMEditMesh *em, struct MTopoHash **topohash);
bool BKE_editmesh_topohash_identity(BMEditMesh *em, struct MTopoHash *topohash, const bool do_update);
/* editderivedmesh.c */
/* should really be defined in editmesh.c, but they use 'EditDerivedBMesh' */
void BKE_editmesh_statvis_calc(BMEditMesh *em, struct DerivedMesh *dm,
struct MeshStatVis *statvis);
float (*BKE_editmesh_vertexCos_get(struct BMEditMesh *em, struct Scene *scene, int *r_numVerts))[3];
#endif /* __BKE_EDITMESH_H__ */
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