109 lines
3.5 KiB
C
109 lines
3.5 KiB
C
/*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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#ifndef __BKE_EDITMESH_H__
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#define __BKE_EDITMESH_H__
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/** \file
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* \ingroup bke
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*
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* The \link edmesh EDBM module\endlink is for editmode bmesh stuff.
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* In contrast, this module is for code shared with blenkernel that's
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* only concerned with low level operations on the #BMEditMesh structure.
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*/
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#include "BKE_customdata.h"
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#include "bmesh.h"
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struct BMLoop;
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struct BMesh;
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struct BoundBox;
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struct Depsgraph;
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struct EditMeshData;
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struct Mesh;
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struct MeshStatVis;
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struct Scene;
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/**
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* This structure is used for mesh edit-mode.
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*
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* through this, you get access to both the edit #BMesh,
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* it's tessellation, and various stuff that doesn't belong in the BMesh
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* struct itself.
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*
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* the entire derivedmesh and modifier system works with this structure,
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* and not BMesh. Mesh->edit_bmesh stores a pointer to this structure. */
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typedef struct BMEditMesh {
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struct BMesh *bm;
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/*this is for undoing failed operations*/
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struct BMEditMesh *emcopy;
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int emcopyusers;
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/* we store tessellations as triplets of three loops,
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* which each define a triangle.*/
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struct BMLoop *(*looptris)[3];
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int tottri;
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struct Mesh *mesh_eval_final, *mesh_eval_cage;
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/** Cached cage bounding box for selection. */
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struct BoundBox *bb_cage;
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/*derivedmesh stuff*/
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CustomData_MeshMasks lastDataMask;
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unsigned char (*derivedVertColor)[4];
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int derivedVertColorLen;
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unsigned char (*derivedFaceColor)[4];
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int derivedFaceColorLen;
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/*selection mode*/
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short selectmode;
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short mat_nr;
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/* Object this editmesh came from (if it came from one) */
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struct Object *ob;
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/*temp variables for x-mirror editing*/
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int mirror_cdlayer; /* -1 is invalid */
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} BMEditMesh;
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/* editmesh.c */
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void BKE_editmesh_looptri_calc(BMEditMesh *em);
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BMEditMesh *BKE_editmesh_create(BMesh *bm, const bool do_tessellate);
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BMEditMesh *BKE_editmesh_copy(BMEditMesh *em);
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BMEditMesh *BKE_editmesh_from_object(struct Object *ob);
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void BKE_editmesh_free_derivedmesh(BMEditMesh *em);
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void BKE_editmesh_free(BMEditMesh *em);
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void BKE_editmesh_color_free(BMEditMesh *em);
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void BKE_editmesh_color_ensure(BMEditMesh *em, const char htype);
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float (*BKE_editmesh_vert_coords_alloc_orco(BMEditMesh *em, int *r_vert_len))[3];
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void BKE_editmesh_lnorspace_update(BMEditMesh *em);
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void BKE_editmesh_ensure_autosmooth(BMEditMesh *em);
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struct BoundBox *BKE_editmesh_cage_boundbox_get(BMEditMesh *em);
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/* editderivedmesh.c */
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/* should really be defined in editmesh.c, but they use 'EditDerivedBMesh' */
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void BKE_editmesh_statvis_calc(BMEditMesh *em,
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struct EditMeshData *emd,
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const struct MeshStatVis *statvis);
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float (*BKE_editmesh_vert_coords_alloc(
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struct Depsgraph *depsgraph, struct BMEditMesh *em, struct Scene *scene, int *r_vert_len))[3];
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#endif /* __BKE_EDITMESH_H__ */
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