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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 "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 tesselation, 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 tesselations as triplets of three loops,
which each define a triangle.*/
struct BMLoop *(*looptris)[3];
int tottri;
/*derivedmesh stuff*/
struct DerivedMesh *derivedFinal, *derivedCage;
int lastDataMask;
/*retopo data pointer*/
struct RetopoPaintData *retopo_paint_data;
/*index tables, to map indices to elements via
EDBM_init_index_arrays 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;
/* undo triggers editmesh tessface update, this is odd but works OK.
* BMESH_TODO, look into having the update elsewhere. */
#define BMESH_EM_UNDO_RECALC_TESSFACE_WORKAROUND
void BMEdit_RecalcTesselation(BMEditMesh *tm);
BMEditMesh *BMEdit_Create(BMesh *bm, int do_tesselate);
BMEditMesh *BMEdit_Copy(BMEditMesh *tm);
void BMEdit_Free(BMEditMesh *em);
void BMEdit_UpdateLinkedCustomData(BMEditMesh *em);
#endif /* __BKE_TESSMESH_H__ */
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