84 lines
3.2 KiB
C
84 lines
3.2 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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* The Original Code is Copyright (C) 2006 Blender Foundation.
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* All rights reserved.
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*/
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/** \file
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* \ingroup bke
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* \section aboutcdderivedmesh CDDerivedMesh interface
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* CDDerivedMesh (CD = Custom Data) is a DerivedMesh backend which stores
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* mesh elements (vertices, edges and faces) as layers of custom element data.
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*/
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#ifndef __BKE_CDDERIVEDMESH_H__
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#define __BKE_CDDERIVEDMESH_H__
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#include "BKE_DerivedMesh.h"
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#include "BKE_customdata.h"
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struct BMEditMesh;
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struct CustomData_MeshMasks;
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struct DerivedMesh;
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struct Mesh;
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/* creates a new CDDerivedMesh */
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struct DerivedMesh *CDDM_new(int numVerts, int numEdges, int numFaces, int numLoops, int numPolys);
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/* creates a CDDerivedMesh from the given Mesh, this will reference the
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* original data in Mesh, but it is safe to apply vertex coordinates or
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* calculate normals as those functions will automatically create new
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* data to not overwrite the original */
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struct DerivedMesh *CDDM_from_mesh(struct Mesh *mesh);
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/* creates a CDDerivedMesh from the given Mesh with custom allocation type. */
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struct DerivedMesh *CDDM_from_mesh_ex(struct Mesh *mesh,
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eCDAllocType alloctype,
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const struct CustomData_MeshMasks *mask);
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/* creates a CDDerivedMesh from the given BMEditMesh */
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DerivedMesh *CDDM_from_editbmesh(struct BMEditMesh *em, const bool use_mdisps);
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/* Copies the given DerivedMesh with verts, faces & edges stored as
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* custom element data.
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*/
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struct DerivedMesh *CDDM_copy(struct DerivedMesh *dm);
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void CDDM_recalc_looptri(struct DerivedMesh *dm);
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/* vertex/edge/face access functions
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* should always succeed if index is within bounds
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* note these return pointers - any change modifies the internals of the mesh
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*/
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struct MVert *CDDM_get_vert(struct DerivedMesh *dm, int index);
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struct MEdge *CDDM_get_edge(struct DerivedMesh *dm, int index);
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struct MFace *CDDM_get_tessface(struct DerivedMesh *dm, int index);
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struct MLoop *CDDM_get_loop(struct DerivedMesh *dm, int index);
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struct MPoly *CDDM_get_poly(struct DerivedMesh *dm, int index);
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/* vertex/edge/face array access functions - return the array holding the
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* desired data
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* should always succeed
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* note these return pointers - any change modifies the internals of the mesh
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*/
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struct MVert *CDDM_get_verts(struct DerivedMesh *dm);
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struct MEdge *CDDM_get_edges(struct DerivedMesh *dm);
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struct MFace *CDDM_get_tessfaces(struct DerivedMesh *dm);
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struct MLoop *CDDM_get_loops(struct DerivedMesh *dm);
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struct MPoly *CDDM_get_polys(struct DerivedMesh *dm);
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#endif
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