240 lines
10 KiB
C
240 lines
10 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) 2007 by Nicholas Bishop
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* All rights reserved.
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*/
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#ifndef __BKE_MULTIRES_H__
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#define __BKE_MULTIRES_H__
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/** \file
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* \ingroup bke
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*/
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#include "BLI_compiler_compat.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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enum MultiresModifiedFlags;
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struct Depsgraph;
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struct DerivedMesh;
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struct MDisps;
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struct Mesh;
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struct ModifierData;
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struct Multires;
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struct MultiresModifierData;
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struct Object;
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struct Scene;
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struct SubdivCCG;
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struct MLoop;
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struct MLoopTri;
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struct MPoly;
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struct MVert;
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/* Delete mesh mdisps and grid paint masks */
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void multires_customdata_delete(struct Mesh *me);
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void multires_set_tot_level(struct Object *ob, struct MultiresModifierData *mmd, int lvl);
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void multires_mark_as_modified(struct Depsgraph *depsgraph,
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struct Object *object,
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enum MultiresModifiedFlags flags);
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void multires_flush_sculpt_updates(struct Object *object);
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void multires_force_sculpt_rebuild(struct Object *object);
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void multires_force_external_reload(struct Object *object);
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/* internal, only called in subsurf_ccg.c */
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void multires_modifier_update_mdisps(struct DerivedMesh *dm, struct Scene *scene);
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void multires_modifier_update_hidden(struct DerivedMesh *dm);
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void multiresModifier_set_levels_from_disps(struct MultiresModifierData *mmd, struct Object *ob);
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typedef enum {
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MULTIRES_USE_LOCAL_MMD = 1,
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MULTIRES_USE_RENDER_PARAMS = 2,
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MULTIRES_ALLOC_PAINT_MASK = 4,
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MULTIRES_IGNORE_SIMPLIFY = 8,
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} MultiresFlags;
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struct DerivedMesh *multires_make_derived_from_derived(struct DerivedMesh *dm,
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struct MultiresModifierData *mmd,
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struct Scene *scene,
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struct Object *ob,
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MultiresFlags flags);
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struct MultiresModifierData *find_multires_modifier_before(struct Scene *scene,
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struct ModifierData *lastmd);
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struct MultiresModifierData *get_multires_modifier(struct Scene *scene,
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struct Object *ob,
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bool use_first);
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int multires_get_level(const struct Scene *scene,
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const struct Object *ob,
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const struct MultiresModifierData *mmd,
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bool render,
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bool ignore_simplify);
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/* Creates mesh with multires modifier applied on current object's deform mesh. */
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struct Mesh *BKE_multires_create_mesh(struct Depsgraph *depsgraph,
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struct Object *object,
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struct MultiresModifierData *mmd);
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/* Get coordinates of a deformed base mesh which is an input to the given multires modifier.
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* NOTE: The modifiers will be re-evaluated. */
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float (*BKE_multires_create_deformed_base_mesh_vert_coords(struct Depsgraph *depsgraph,
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struct Object *object,
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struct MultiresModifierData *mmd,
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int *r_num_deformed_verts))[3];
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void multiresModifier_del_levels(struct MultiresModifierData *mmd,
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struct Scene *scene,
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struct Object *object,
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int direction);
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void multiresModifier_base_apply(struct Depsgraph *depsgraph,
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struct Object *object,
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struct MultiresModifierData *mmd);
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int multiresModifier_rebuild_subdiv(struct Depsgraph *depsgraph,
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struct Object *object,
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struct MultiresModifierData *mmd,
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int rebuild_limit,
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bool switch_view_to_lower_level);
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void multiresModifier_subdivide_legacy(struct MultiresModifierData *mmd,
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struct Scene *scene,
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struct Object *ob,
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int updateblock,
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int simple);
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void multiresModifier_sync_levels_ex(struct Object *ob_dst,
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struct MultiresModifierData *mmd_src,
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struct MultiresModifierData *mmd_dst);
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void multires_stitch_grids(struct Object *);
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/* Related to the old multires */
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void multires_free(struct Multires *mr);
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void multires_load_old(struct Object *ob, struct Mesh *me);
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void multires_load_old_250(struct Mesh *);
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void multiresModifier_scale_disp(struct Depsgraph *depsgraph,
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struct Scene *scene,
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struct Object *ob);
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void multiresModifier_prepare_join(struct Depsgraph *depsgraph,
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struct Scene *scene,
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struct Object *ob,
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struct Object *to_ob);
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int multires_mdisp_corners(struct MDisps *s);
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/* update multires data after topology changing */
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void multires_topology_changed(struct Mesh *me);
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void multires_ensure_external_read(struct Mesh *mesh, int top_level);
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void multiresModifier_ensure_external_read(struct Mesh *mesh,
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const struct MultiresModifierData *mmd);
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/**** interpolation stuff ****/
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void old_mdisps_bilinear(float out[3], float (*disps)[3], const int st, float u, float v);
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int mdisp_rot_face_to_crn(struct MVert *mvert,
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struct MPoly *mpoly,
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struct MLoop *mloops,
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const struct MLoopTri *lt,
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const int face_side,
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const float u,
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const float v,
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float *x,
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float *y);
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/* Reshaping, define in multires_reshape.c */
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bool multiresModifier_reshapeFromVertcos(struct Depsgraph *depsgraph,
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struct Object *object,
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struct MultiresModifierData *mmd,
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const float (*vert_coords)[3],
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const int num_vert_coords);
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bool multiresModifier_reshapeFromObject(struct Depsgraph *depsgraph,
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struct MultiresModifierData *mmd,
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struct Object *dst,
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struct Object *src);
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bool multiresModifier_reshapeFromDeformModifier(struct Depsgraph *depsgraph,
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struct Object *ob,
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struct MultiresModifierData *mmd,
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struct ModifierData *deform_md);
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bool multiresModifier_reshapeFromCCG(const int tot_level,
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struct Mesh *coarse_mesh,
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struct SubdivCCG *subdiv_ccg);
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/* Subdivide multires displacement once. */
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typedef enum eMultiresSubdivideModeType {
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MULTIRES_SUBDIVIDE_CATMULL_CLARK,
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MULTIRES_SUBDIVIDE_SIMPLE,
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MULTIRES_SUBDIVIDE_LINEAR,
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} eMultiresSubdivideModeType;
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void multiresModifier_subdivide(struct Object *object,
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struct MultiresModifierData *mmd,
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const eMultiresSubdivideModeType mode);
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void multires_subdivide_create_tangent_displacement_linear_grids(struct Object *object,
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struct MultiresModifierData *mmd);
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/* Subdivide displacement to the given level.
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* If level is lower than the current top level nothing happens. */
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void multiresModifier_subdivide_to_level(struct Object *object,
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struct MultiresModifierData *mmd,
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const int top_level,
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const eMultiresSubdivideModeType mode);
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/* Subdivision integration, defined in multires_subdiv.c */
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struct SubdivSettings;
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struct SubdivToMeshSettings;
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void BKE_multires_subdiv_settings_init(struct SubdivSettings *settings,
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const struct MultiresModifierData *mmd);
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/* TODO(sergey): Replace this set of boolean flags with bitmask. */
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void BKE_multires_subdiv_mesh_settings_init(struct SubdivToMeshSettings *mesh_settings,
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const struct Scene *scene,
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const struct Object *object,
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const struct MultiresModifierData *mmd,
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const bool use_render_params,
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const bool ignore_simplify,
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const bool ignore_control_edges);
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/* General helpers. */
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/* For a given partial derivatives of a ptex face get tangent matrix for
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* displacement.
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*
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* Corner needs to be known to properly "rotate" partial derivatives when the
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* matrix is being constructed for quad. For non-quad the corner is to be set
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* to 0. */
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BLI_INLINE void BKE_multires_construct_tangent_matrix(float tangent_matrix[3][3],
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const float dPdu[3],
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const float dPdv[3],
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const int corner);
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#ifdef __cplusplus
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}
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#endif
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#include "intern/multires_inline.h"
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#endif /* __BKE_MULTIRES_H__ */
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