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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.
*/
#ifndef __BKE_EDITMESH_H__
#define __BKE_EDITMESH_H__
/** \file
* \ingroup bke
*
* The \link edmesh EDBM module\endlink is for editmode bmesh stuff.
* In contrast, this module is for code shared with blenkernel that's
* only concerned with low level operations on the #BMEditMesh structure.
*/
#include "BKE_customdata.h"
#include "bmesh.h"
struct BMLoop;
struct BMesh;
struct BoundBox;
struct Depsgraph;
struct EditMeshData;
struct Mesh;
struct MeshStatVis;
struct Scene;
/**
* This structure is used for mesh edit-mode.
*
* 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;
struct Mesh *mesh_eval_final, *mesh_eval_cage;
/** Cached cage bounding box for selection. */
struct BoundBox *bb_cage;
/*derivedmesh stuff*/
CustomData_MeshMasks lastDataMask;
/*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 */
/**
* ID data is older than edit-mode data.
* Set #Main.is_memfile_undo_flush_needed when enabling.
*/
char needs_flush_to_id;
} BMEditMesh;
/* editmesh.c */
void BKE_editmesh_looptri_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);
float (*BKE_editmesh_vert_coords_alloc(struct Depsgraph *depsgraph,
struct BMEditMesh *em,
struct Scene *scene,
struct Object *ob,
int *r_vert_len))[3];
float (*BKE_editmesh_vert_coords_alloc_orco(BMEditMesh *em, int *r_vert_len))[3];
void BKE_editmesh_lnorspace_update(BMEditMesh *em, struct Mesh *me);
void BKE_editmesh_ensure_autosmooth(BMEditMesh *em, struct Mesh *me);
struct BoundBox *BKE_editmesh_cage_boundbox_get(BMEditMesh *em);
#endif /* __BKE_EDITMESH_H__ */
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