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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_TESSMESH_H__
#define __BKE_TESSMESH_H__
#include "BKE_customdata.h"
#include "bmesh.h"
struct BMesh;
struct BMLoop;
struct BMFace;
struct Mesh;
struct DerivedMesh;
/* 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;
/* index tables, to map indices to elements via
* EDBM_index_arrays_init and associated functions. don't
* touch this or read it directly.*/
struct BMVert **vert_index;
struct BMEdge **edge_index;
struct BMFace **face_index;
/*selection mode*/
short selectmode;
short mat_nr;
/*Mesh structure this editmesh came from, if it came from one*/
struct Mesh *me;
struct Object *ob;
/*temp variables for x-mirror editing*/
int mirror_cdlayer; /* -1 is invalid */
int mirr_free_arrays;
} BMEditMesh;
void BMEdit_RecalcTessellation(BMEditMesh *tm);
BMEditMesh *BMEdit_Create(BMesh *bm, int do_tessellate);
BMEditMesh *BMEdit_Copy(BMEditMesh *tm);
BMEditMesh *BMEdit_FromObject(struct Object *ob);
void BMEdit_Free(BMEditMesh *em);
void BMEdit_UpdateLinkedCustomData(BMEditMesh *em);
#endif /* __BKE_TESSMESH_H__ */
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