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Diffstat (limited to 'source/blender/blenkernel/BKE_mesh_remap.h')
| -rw-r--r-- | source/blender/blenkernel/BKE_mesh_remap.h | 171 |
1 files changed, 171 insertions, 0 deletions
diff --git a/source/blender/blenkernel/BKE_mesh_remap.h b/source/blender/blenkernel/BKE_mesh_remap.h new file mode 100644 index 00000000000..e1f37a63ff0 --- /dev/null +++ b/source/blender/blenkernel/BKE_mesh_remap.h @@ -0,0 +1,171 @@ +/* + * ***** 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. + * + * ***** END GPL LICENSE BLOCK ***** + */ + +#ifndef __BKE_MESH_REMAP_H__ +#define __BKE_MESH_REMAP_H__ + +/** \file BKE_mesh_remap.h + * \ingroup bke + */ + +struct CustomData; +struct DerivedMesh; +struct MVert; +struct MeshElemMap; +struct MemArena; + +/* Generic ways to map some geometry elements from a source mesh to a dest one. */ + +typedef struct MeshPairRemapItem { + int sources_num; + int *indices_src; /* NULL if no source found. */ + float *weights_src; /* NULL if no source found, else, always normalized! */ + /* UNUSED (at the moment)*/ + // float hit_dist; /* FLT_MAX if irrelevant or no source found. */ + int island; /* For loops only. */ +} MeshPairRemapItem; + +/* All mapping computing func return this. */ +typedef struct MeshPairRemap { + int items_num; + MeshPairRemapItem *items; /* array, one item per dest element. */ + + struct MemArena *mem; /* memory arena, internal use only. */ +} MeshPairRemap; + +/* Helpers! */ +void BKE_mesh_remap_init(MeshPairRemap *map, const int items_num); +void BKE_mesh_remap_free(MeshPairRemap *map); + +void BKE_mesh_remap_item_define_invalid(MeshPairRemap *map, const int index); + +/* TODO: + * Add other 'from/to' mapping sources, like e.g. using an UVMap, etc. + * http://blenderartists.org/forum/showthread.php?346458-Move-Vertices-to-the-location-of-the-Reference-Mesh-based-on-the-UV-Position + * We could also use similar topology mappings inside a same mesh + * (cf. Campbell's 'select face islands from similar topology' wip work). + * Also, users will have to check, whether we can get rid of some modes here, not sure all will be useful! + */ +enum { + MREMAP_USE_VERT = 1 << 4, + MREMAP_USE_EDGE = 1 << 5, + MREMAP_USE_LOOP = 1 << 6, + MREMAP_USE_POLY = 1 << 7, + + MREMAP_USE_NEAREST = 1 << 8, + MREMAP_USE_NORPROJ = 1 << 9, + MREMAP_USE_INTERP = 1 << 10, + MREMAP_USE_NORMAL = 1 << 11, + + /* ***** Target's vertices ***** */ + MREMAP_MODE_VERT = 1 << 24, + /* Nearest source vert. */ + MREMAP_MODE_VERT_NEAREST = MREMAP_MODE_VERT | MREMAP_USE_VERT | MREMAP_USE_NEAREST, + + /* Nearest vertex of nearest edge. */ + MREMAP_MODE_VERT_EDGE_NEAREST = MREMAP_MODE_VERT | MREMAP_USE_EDGE | MREMAP_USE_NEAREST, + /* This one uses two verts of selected edge (weighted interpolation). */ + /* Nearest point on nearest edge. */ + MREMAP_MODE_VERT_EDGEINTERP_NEAREST = MREMAP_MODE_VERT | MREMAP_USE_EDGE | MREMAP_USE_NEAREST | MREMAP_USE_INTERP, + + /* Nearest vertex of nearest poly. */ + MREMAP_MODE_VERT_POLY_NEAREST = MREMAP_MODE_VERT | MREMAP_USE_POLY | MREMAP_USE_NEAREST, + /* Those two use all verts of selected poly (weighted interpolation). */ + /* Nearest point on nearest poly. */ + MREMAP_MODE_VERT_POLYINTERP_NEAREST = MREMAP_MODE_VERT | MREMAP_USE_POLY | MREMAP_USE_NEAREST | MREMAP_USE_INTERP, + /* Point on nearest face hit by ray from target vertex's normal. */ + MREMAP_MODE_VERT_POLYINTERP_VNORPROJ = MREMAP_MODE_VERT | MREMAP_USE_POLY | MREMAP_USE_NORPROJ | MREMAP_USE_INTERP, + + /* ***** Target's edges ***** */ + MREMAP_MODE_EDGE = 1 << 25, + + /* Source edge which both vertices are nearest of dest ones. */ + MREMAP_MODE_EDGE_VERT_NEAREST = MREMAP_MODE_EDGE | MREMAP_USE_VERT | MREMAP_USE_NEAREST, + + /* Nearest source edge (using mid-point). */ + MREMAP_MODE_EDGE_NEAREST = MREMAP_MODE_EDGE | MREMAP_USE_EDGE | MREMAP_USE_NEAREST, + + /* Nearest edge of nearest poly (using mid-point). */ + MREMAP_MODE_EDGE_POLY_NEAREST = MREMAP_MODE_EDGE | MREMAP_USE_POLY | MREMAP_USE_NEAREST, + + /* Cast a set of rays from along dest edge, interpolating its vertices' normals, and use hit source edges. */ + MREMAP_MODE_EDGE_EDGEINTERP_VNORPROJ = MREMAP_MODE_EDGE | MREMAP_USE_VERT | MREMAP_USE_NORPROJ | MREMAP_USE_INTERP, + + /* ***** Target's loops ***** */ + /* Note: when islands are given to loop mapping func, all loops from the same destination face will always be mapped + * to loops of source faces within a same island, regardless of mapping mode. */ + MREMAP_MODE_LOOP = 1 << 26, + + /* Best normal-matching loop from nearest vert. */ + MREMAP_MODE_LOOP_NEAREST_LOOPNOR = MREMAP_MODE_LOOP | MREMAP_USE_LOOP | MREMAP_USE_VERT | MREMAP_USE_NEAREST | MREMAP_USE_NORMAL, + /* Loop from best normal-matching poly from nearest vert. */ + MREMAP_MODE_LOOP_NEAREST_POLYNOR = MREMAP_MODE_LOOP | MREMAP_USE_POLY | MREMAP_USE_VERT | MREMAP_USE_NEAREST | MREMAP_USE_NORMAL, + + /* Loop from nearest vertex of nearest poly. */ + MREMAP_MODE_LOOP_POLY_NEAREST = MREMAP_MODE_LOOP | MREMAP_USE_POLY | MREMAP_USE_NEAREST, + /* Those two use all verts of selected poly (weighted interpolation). */ + /* Nearest point on nearest poly. */ + MREMAP_MODE_LOOP_POLYINTERP_NEAREST = MREMAP_MODE_LOOP | MREMAP_USE_POLY | MREMAP_USE_NEAREST | MREMAP_USE_INTERP, + /* Point on nearest face hit by ray from target loop's normal. */ + MREMAP_MODE_LOOP_POLYINTERP_LNORPROJ = MREMAP_MODE_LOOP | MREMAP_USE_POLY | MREMAP_USE_NORPROJ | MREMAP_USE_INTERP, + + /* ***** Target's polygons ***** */ + MREMAP_MODE_POLY = 1 << 27, + + /* Nearest source poly. */ + MREMAP_MODE_POLY_NEAREST = MREMAP_MODE_POLY | MREMAP_USE_POLY | MREMAP_USE_NEAREST, + /* Source poly from best normal-matching dest poly. */ + MREMAP_MODE_POLY_NOR = MREMAP_MODE_POLY | MREMAP_USE_POLY | MREMAP_USE_NORMAL, + + /* Project dest poly onto source mesh using its normal, and use interpolation of all intersecting source polys. */ + MREMAP_MODE_POLY_POLYINTERP_PNORPROJ = MREMAP_MODE_POLY | MREMAP_USE_POLY | MREMAP_USE_NORPROJ | MREMAP_USE_INTERP, + + /* ***** Same topology, applies to all four elements types. ***** */ + MREMAP_MODE_TOPOLOGY = MREMAP_MODE_VERT | MREMAP_MODE_EDGE | MREMAP_MODE_LOOP | MREMAP_MODE_POLY, +}; + +/* TODO add mesh2mesh versions (we'll need mesh versions of bvhtree funcs too, though!). */ + +void BKE_mesh_remap_calc_verts_from_dm( + const int mode, const struct SpaceTransform *space_transform, const float max_dist, const float ray_radius, + const struct MVert *verts_dst, const int numverts_dst, const bool dirty_nors_dst, + struct DerivedMesh *dm_src, MeshPairRemap *r_map); + +void BKE_mesh_remap_calc_edges_from_dm( + const int mode, const struct SpaceTransform *space_transform, const float max_dist, const float ray_radius, + const struct MVert *verts_dst, const int numverts_dst, const struct MEdge *edges_dst, const int numedges_dst, + const bool dirty_nors_dst, struct DerivedMesh *dm_src, MeshPairRemap *r_map); + +void BKE_mesh_remap_calc_loops_from_dm( + const int mode, const struct SpaceTransform *space_transform, const float max_dist, const float ray_radius, + struct MVert *verts_dst, const int numverts_dst, struct MEdge *edges_dst, const int numedges_dst, + struct MLoop *loops_dst, const int numloops_dst, struct MPoly *polys_dst, const int numpolys_dst, + struct CustomData *ldata_dst, struct CustomData *pdata_dst, + const float split_angle_dst, const bool dirty_nors_dst, + struct DerivedMesh *dm_src, + MeshRemapIslandsCalc gen_islands_src, const float islands_precision_src, struct MeshPairRemap *r_map); + +void BKE_mesh_remap_calc_polys_from_dm( + const int mode, const struct SpaceTransform *space_transform, const float max_dist, const float ray_radius, + struct MVert *verts_dst, const int numverts_dst, struct MLoop *loops_dst, const int numloops_dst, + struct MPoly *polys_dst, const int numpolys_dst, struct CustomData *pdata_dst, const bool dirty_nors_dst, + struct DerivedMesh *dm_src, struct MeshPairRemap *r_map); + +#endif /* __BKE_MESH_REMAP_H__ */ |