diff options
Diffstat (limited to 'source/blender/blenkernel/intern/mesh_mapping.c')
| -rw-r--r-- | source/blender/blenkernel/intern/mesh_mapping.c | 69 |
1 files changed, 42 insertions, 27 deletions
diff --git a/source/blender/blenkernel/intern/mesh_mapping.c b/source/blender/blenkernel/intern/mesh_mapping.c index 69ed804a75c..40e300e6e2d 100644 --- a/source/blender/blenkernel/intern/mesh_mapping.c +++ b/source/blender/blenkernel/intern/mesh_mapping.c @@ -42,8 +42,8 @@ * \{ */ /* ngon version wip, based on BM_uv_vert_map_create */ -/* this replaces the non bmesh function (in trunk) which takes MTFace's, if we ever need it back we could - * but for now this replaces it because its unused. */ +/* this replaces the non bmesh function (in trunk) which takes MTFace's, + * if we ever need it back we could but for now this replaces it because its unused. */ UvVertMap *BKE_mesh_uv_vert_map_create(const MPoly *mpoly, const MLoop *mloop, @@ -251,7 +251,8 @@ static void mesh_vert_poly_or_loop_map_create(MeshElemMap **r_map, } /** - * Generates a map where the key is the vertex and the value is a list of polys that use that vertex as a corner. + * Generates a map where the key is the vertex and the value + * is a list of polys that use that vertex as a corner. * The lists are allocated from one memory pool. */ void BKE_mesh_vert_poly_map_create(MeshElemMap **r_map, @@ -266,7 +267,8 @@ void BKE_mesh_vert_poly_map_create(MeshElemMap **r_map, } /** - * Generates a map where the key is the vertex and the value is a list of loops that use that vertex as a corner. + * Generates a map where the key is the vertex and the value + * is a list of loops that use that vertex as a corner. * The lists are allocated from one memory pool. */ void BKE_mesh_vert_loop_map_create(MeshElemMap **r_map, @@ -281,7 +283,8 @@ void BKE_mesh_vert_loop_map_create(MeshElemMap **r_map, } /** - * Generates a map where the key is the edge and the value is a list of looptris that use that edge. + * Generates a map where the key is the edge and the value + * is a list of looptris that use that edge. * The lists are allocated from one memory pool. */ void BKE_mesh_vert_looptri_map_create(MeshElemMap **r_map, @@ -329,7 +332,8 @@ void BKE_mesh_vert_looptri_map_create(MeshElemMap **r_map, } /** - * Generates a map where the key is the vertex and the value is a list of edges that use that vertex as an endpoint. + * Generates a map where the key is the vertex and the value + * is a list of edges that use that vertex as an endpoint. * The lists are allocated from one memory pool. */ void BKE_mesh_vert_edge_map_create( @@ -372,7 +376,8 @@ void BKE_mesh_vert_edge_map_create( } /** - * A version of #BKE_mesh_vert_edge_map_create that references connected vertices directly (not their edges). + * A version of #BKE_mesh_vert_edge_map_create that references connected vertices directly + * (not their edges). */ void BKE_mesh_vert_edge_vert_map_create( MeshElemMap **r_map, int **r_mem, const MEdge *medge, int totvert, int totedge) @@ -472,7 +477,8 @@ void BKE_mesh_edge_loop_map_create(MeshElemMap **r_map, } /** - * Generates a map where the key is the edge and the value is a list of polygons that use that edge. + * Generates a map where the key is the edge and the value + * is a list of polygons that use that edge. * The lists are allocated from one memory pool. */ void BKE_mesh_edge_poly_map_create(MeshElemMap **r_map, @@ -739,7 +745,8 @@ static void poly_edge_loop_islands_calc(const MEdge *medge, num_edgeborders++; } if (use_bitflags) { - /* Find contiguous smooth groups already assigned, these are the values we can't reuse! */ + /* Find contiguous smooth groups already assigned, + * these are the values we can't reuse! */ for (; i--; p++) { int bit = poly_groups[*p]; if (!ELEM(bit, 0, poly_group_id, poly_group_id_overflowed) && @@ -751,8 +758,9 @@ static void poly_edge_loop_islands_calc(const MEdge *medge, } } } - /* And now, we have all our poly from current group in poly_stack (from 0 to (ps_end_idx - 1)), as well as - * all smoothgroups bits we can't use in bit_poly_group_mask. + /* And now, we have all our poly from current group in poly_stack + * (from 0 to (ps_end_idx - 1)), + * as well as all smoothgroups bits we can't use in bit_poly_group_mask. */ if (use_bitflags) { int i, *p, gid_bit = 0; @@ -764,8 +772,9 @@ static void poly_edge_loop_islands_calc(const MEdge *medge, } if (UNLIKELY(gid_bit > 31)) { /* All bits used in contiguous smooth groups, we can't do much! - * Note: this is *very* unlikely - theoretically, four groups are enough, I don't think we can reach - * this goal with such a simple algo, but I don't think either we'll never need all 32 groups! + * Note: this is *very* unlikely - theoretically, four groups are enough, + * I don't think we can reach this goal with such a simple algo, + * but I don't think either we'll never need all 32 groups! */ printf( "Warning, could not find an available id for current smooth group, faces will me " @@ -821,7 +830,8 @@ static bool poly_is_island_boundary_smooth_cb(const MPoly *mp, const int nbr_egde_users, void *UNUSED(user_data)) { - /* Edge is sharp if its poly is sharp, or edge itself is sharp, or edge is not used by exactly two polygons. */ + /* Edge is sharp if its poly is sharp, or edge itself is sharp, + * or edge is not used by exactly two polygons. */ return (!(mp->flag & ME_SMOOTH) || (me->flag & ME_SHARP) || (nbr_egde_users != 2)); } @@ -829,9 +839,9 @@ static bool poly_is_island_boundary_smooth_cb(const MPoly *mp, * Calculate smooth groups from sharp edges. * * \param r_totgroup: The total number of groups, 1 or more. - * \return Polygon aligned array of group index values (bitflags if use_bitflags is true), starting at 1 - * (0 being used as 'invalid' flag). - * Note it's callers's responsibility to MEM_freeN returned array. + * \return Polygon aligned array of group index values (bitflags if use_bitflags is true), + * starting at 1 (0 being used as 'invalid' flag). + * Note it's callers's responsibility to MEM_freeN returned array. */ int *BKE_mesh_calc_smoothgroups(const MEdge *medge, const int totedge, @@ -972,10 +982,11 @@ void BKE_mesh_loop_islands_add(MeshIslandStore *island_store, sizeof(*innrcut->indices) * (size_t)num_innercut_items); } -/* TODO: I'm not sure edge seam flag is enough to define UV islands? Maybe we should also consider UVmaps values +/* TODO: I'm not sure edge seam flag is enough to define UV islands? + * Maybe we should also consider UVmaps values * themselves (i.e. different UV-edges for a same mesh-edge => boundary edge too?). - * Would make things much more complex though, and each UVMap would then need its own mesh mapping, - * not sure we want that at all! + * Would make things much more complex though, + * and each UVMap would then need its own mesh mapping, not sure we want that at all! */ typedef struct MeshCheckIslandBoundaryUv { const MLoop *loops; @@ -1052,8 +1063,9 @@ static bool mesh_calc_islands_loop_poly_uv(MVert *UNUSED(verts), int *loop_indices; int num_pidx, num_lidx; - /* Those are used to detect 'inner cuts', i.e. edges that are borders, and yet have two or more polys of - * a same group using them (typical case: seam used to unwrap properly a cylinder). */ + /* Those are used to detect 'inner cuts', i.e. edges that are borders, + * and yet have two or more polys of a same group using them + * (typical case: seam used to unwrap properly a cylinder). */ BLI_bitmap *edge_borders = NULL; int num_edge_borders = 0; char *edge_border_count = NULL; @@ -1175,7 +1187,8 @@ static bool mesh_calc_islands_loop_poly_uv(MVert *UNUSED(verts), } /** - * Calculate 'generic' UV islands, i.e. based only on actual geometry data (edge seams), not some UV layers coordinates. + * Calculate 'generic' UV islands, i.e. based only on actual geometry data (edge seams), + * not some UV layers coordinates. */ bool BKE_mesh_calc_islands_loop_poly_edgeseam(MVert *verts, const int totvert, @@ -1195,12 +1208,14 @@ bool BKE_mesh_calc_islands_loop_poly_edgeseam(MVert *verts, * Calculate UV islands. * * \note If no MLoopUV layer is passed, we only consider edges tagged as seams as UV boundaries. - * This has the advantages of simplicity, and being valid/common to all UV maps. - * However, it means actual UV islands without matching UV seams will not be handled correctly... - * If a valid UV layer is passed as \a luvs parameter, UV coordinates are also used to detect islands boundaries. + * This has the advantages of simplicity, and being valid/common to all UV maps. + * However, it means actual UV islands without matching UV seams will not be handled correctly... + * If a valid UV layer is passed as \a luvs parameter, + * UV coordinates are also used to detect islands boundaries. * * \note All this could be optimized... - * Not sure it would be worth the more complex code, though, those loops are supposed to be really quick to do... + * Not sure it would be worth the more complex code, though, + * those loops are supposed to be really quick to do... */ bool BKE_mesh_calc_islands_loop_poly_uvmap(MVert *verts, const int totvert, |