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/*
* 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) 2007 by Nicholas Bishop
* All rights reserved.
*/
#ifndef __BKE_MULTIRES_H__
#define __BKE_MULTIRES_H__
/** \file
* \ingroup bke
*/
#include "BLI_compiler_compat.h"
enum MultiresModifiedFlags;
struct Depsgraph;
struct DerivedMesh;
struct MDisps;
struct Mesh;
struct ModifierData;
struct Multires;
struct MultiresModifierData;
struct Object;
struct Scene;
struct SubdivCCG;
struct MLoop;
struct MLoopTri;
struct MPoly;
struct MVert;
/* Delete mesh mdisps and grid paint masks */
void multires_customdata_delete(struct Mesh *me);
void multires_set_tot_level(struct Object *ob,
struct MultiresModifierData *mmd, int lvl);
void multires_mark_as_modified(struct Object *ob, enum MultiresModifiedFlags flags);
void multires_force_update(struct Object *ob);
void multires_force_render_update(struct Object *ob);
void multires_force_external_reload(struct Object *ob);
/* internal, only called in subsurf_ccg.c */
void multires_modifier_update_mdisps(struct DerivedMesh *dm, struct Scene *scene);
void multires_modifier_update_hidden(struct DerivedMesh *dm);
void multiresModifier_set_levels_from_disps(struct MultiresModifierData *mmd, struct Object *ob);
typedef enum {
MULTIRES_USE_LOCAL_MMD = 1,
MULTIRES_USE_RENDER_PARAMS = 2,
MULTIRES_ALLOC_PAINT_MASK = 4,
MULTIRES_IGNORE_SIMPLIFY = 8,
} MultiresFlags;
struct DerivedMesh *multires_make_derived_from_derived(struct DerivedMesh *dm,
struct MultiresModifierData *mmd,
struct Scene *scene,
struct Object *ob,
MultiresFlags flags);
struct MultiresModifierData *find_multires_modifier_before(struct Scene *scene,
struct ModifierData *lastmd);
struct MultiresModifierData *get_multires_modifier(struct Scene *scene, struct Object *ob, bool use_first);
int multires_get_level(const struct Scene *scene, const struct Object *ob, const struct MultiresModifierData *mmd,
bool render, bool ignore_simplify);
struct Mesh *BKE_multires_create_mesh(
struct Depsgraph *depsgraph, struct Scene *scene,
struct MultiresModifierData *mmd, struct Object *ob);
void multiresModifier_del_levels(struct MultiresModifierData *mmd, struct Scene *scene, struct Object *object, int direction);
void multiresModifier_base_apply(struct MultiresModifierData *mmd, struct Scene *scene, struct Object *ob);
void multiresModifier_subdivide(struct MultiresModifierData *mmd, struct Scene *scene, struct Object *ob, int updateblock, int simple);
void multiresModifier_sync_levels_ex(
struct Scene *scene, struct Object *ob_dst, struct MultiresModifierData *mmd_src, struct MultiresModifierData *mmd_dst);
void multires_stitch_grids(struct Object *);
/* Related to the old multires */
void multires_free(struct Multires *mr);
void multires_load_old(struct Object *ob, struct Mesh *me);
void multires_load_old_250(struct Mesh *);
void multiresModifier_scale_disp(struct Depsgraph *depsgraph, struct Scene *scene, struct Object *ob);
void multiresModifier_prepare_join(struct Depsgraph *depsgraph, struct Scene *scene, struct Object *ob, struct Object *to_ob);
int multires_mdisp_corners(struct MDisps *s);
/* update multires data after topology changing */
void multires_topology_changed(struct Mesh *me);
/**** interpolation stuff ****/
void old_mdisps_bilinear(float out[3], float (*disps)[3], const int st, float u, float v);
int mdisp_rot_face_to_crn(struct MVert *mvert, struct MPoly *mpoly, struct MLoop *mloops, const struct MLoopTri *lt, const int face_side, const float u, const float v, float *x, float *y);
/* Reshaping, define in multires_reshape.c */
bool multiresModifier_reshapeFromObject(
struct Depsgraph *depsgraph,
struct MultiresModifierData *mmd,
struct Object *dst,
struct Object *src);
bool multiresModifier_reshapeFromDeformModifier(
struct Depsgraph *depsgraph,
struct MultiresModifierData *mmd,
struct Object *ob,
struct ModifierData *md);
bool multiresModifier_reshapeFromCCG(
const int tot_level,
struct Mesh *coarse_mesh,
struct SubdivCCG *subdiv_ccg);
/* Subdivision integration, defined in multires_subdiv.c */
struct SubdivSettings;
struct SubdivToMeshSettings;
void BKE_multires_subdiv_settings_init(
struct SubdivSettings *settings,
const struct MultiresModifierData *mmd);
/* TODO(sergey): Replace this set of boolean flags with bitmask. */
void BKE_multires_subdiv_mesh_settings_init(
struct SubdivToMeshSettings *mesh_settings,
const struct Scene *scene,
const struct Object *object,
const struct MultiresModifierData *mmd,
const bool use_render_params,
const bool ignore_simplify);
/* General helpers. */
/* For a given partial derivatives of a ptex face get tangent matrix for
* displacement.
*
* Corner needs to be known to properly "rotate" partial derivatives when the
* matrix is being constructed for quad. For non-quad the corner is to be set
* to 0. */
BLI_INLINE void BKE_multires_construct_tangent_matrix(
float tangent_matrix[3][3],
const float dPdu[3],
const float dPdv[3],
const int corner);
#include "intern/multires_inline.h"
#endif /* __BKE_MULTIRES_H__ */
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