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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.
*
* The Original Code is Copyright (C) 2001-2002 by NaN Holding BV.
* All rights reserved.
*
* The Original Code is: all of this file.
*
* Contributor(s): none yet.
*
* ***** END GPL LICENSE BLOCK *****
*/
#ifndef __BKE_SUBSURF_H__
#define __BKE_SUBSURF_H__
/** \file BKE_subsurf.h
* \ingroup bke
*/
/* struct DerivedMesh is used directly */
#include "BKE_DerivedMesh.h"
struct CCGElem;
struct DMFlagMat;
struct DMGridAdjacency;
struct DerivedMesh;
struct MeshElemMap;
struct Mesh;
struct MPoly;
struct Object;
struct PBVH;
struct SubsurfModifierData;
struct CCGEdge;
struct CCGFace;
struct CCGVert;
struct EdgeHash;
struct PBVH;
/**************************** External *****************************/
typedef enum {
SUBSURF_USE_RENDER_PARAMS = 1,
SUBSURF_IS_FINAL_CALC = 2,
SUBSURF_FOR_EDIT_MODE = 4,
SUBSURF_IN_EDIT_MODE = 8,
SUBSURF_ALLOC_PAINT_MASK = 16
} SubsurfFlags;
struct DerivedMesh *subsurf_make_derived_from_derived(
struct DerivedMesh *dm,
struct SubsurfModifierData *smd,
float (*vertCos)[3],
SubsurfFlags flags);
void subsurf_calculate_limit_positions(struct Mesh *me, float (*r_positions)[3]);
/* get gridsize from 'level', level must be greater than zero */
int BKE_ccg_gridsize(int level);
/* x/y grid coordinates at 'low_level' can be multiplied by the result
* of this function to convert to grid coordinates at 'high_level' */
int BKE_ccg_factor(int low_level, int high_level);
void subsurf_copy_grid_hidden(struct DerivedMesh *dm,
const struct MPoly *mpoly,
struct MVert *mvert,
const struct MDisps *mdisps);
void subsurf_copy_grid_paint_mask(struct DerivedMesh *dm,
const struct MPoly *mpoly, float *paint_mask,
const struct GridPaintMask *grid_paint_mask);
typedef enum MultiresModifiedFlags {
/* indicates the grids have been sculpted on, so MDisps
* have to be updated */
MULTIRES_COORDS_MODIFIED = 1,
/* indicates elements have been hidden or unhidden */
MULTIRES_HIDDEN_MODIFIED = 2
} MultiresModifiedFlags;
/**************************** Internal *****************************/
typedef struct CCGDerivedMesh {
DerivedMesh dm;
struct CCGSubSurf *ss;
int freeSS;
int drawInteriorEdges, useSubsurfUv;
struct {int startVert; struct CCGVert *vert; } *vertMap;
struct {int startVert; int startEdge; struct CCGEdge *edge; } *edgeMap;
struct {int startVert; int startEdge;
int startFace; struct CCGFace *face; } *faceMap;
short *edgeFlags;
struct DMFlagMat *faceFlags;
int *reverseFaceMap;
struct PBVH *pbvh;
struct MeshElemMap *pmap;
int *pmap_mem;
struct CCGElem **gridData;
int *gridOffset;
struct CCGFace **gridFaces;
struct DMFlagMat *gridFlagMats;
unsigned int **gridHidden;
struct {
struct MultiresModifierData *mmd;
int local_mmd;
int lvl, totlvl;
float (*orco)[3];
struct Object *ob;
MultiresModifiedFlags modified_flags;
} multires;
struct EdgeHash *ehash;
} CCGDerivedMesh;
#endif
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