diff options
Diffstat (limited to 'source/blender/bmesh/operators/bmo_utils.c')
| -rw-r--r-- | source/blender/bmesh/operators/bmo_utils.c | 121 |
1 files changed, 0 insertions, 121 deletions
diff --git a/source/blender/bmesh/operators/bmo_utils.c b/source/blender/bmesh/operators/bmo_utils.c index 876e4a9fedc..2a0a7864499 100644 --- a/source/blender/bmesh/operators/bmo_utils.c +++ b/source/blender/bmesh/operators/bmo_utils.c @@ -278,127 +278,6 @@ void bmo_region_extend_exec(BMesh *bm, BMOperator *op) BMO_slot_buffer_from_enabled_flag(bm, op, op->slots_out, "geom.out", BM_ALL_NOLOOP, SEL_FLAG); } -/********* righthand faces implementation ****** */ - -#define FACE_VIS 1 -#define FACE_FLAG 2 -#define FACE_FLIP 8 - -/* - * put normal to the outside, and set the first direction flags in edges - * - * then check the object, and set directions / direction-flags: but only for edges with 1 or 2 faces - * this is in fact the 'select connected' - * - * in case all faces were not done: start over with 'find the ultimate ...' */ - -/* NOTE: BM_ELEM_TAG is used on faces to tell if they are flipped. */ - -void bmo_recalc_face_normals_exec(BMesh *bm, BMOperator *op) -{ - BMFace **fstack; - STACK_DECLARE(fstack); - const bool use_face_tag = BMO_slot_bool_get(op->slots_in, "use_face_tag"); - const unsigned int tot_faces = BMO_slot_buffer_count(op->slots_in, "faces"); - unsigned int tot_touch = 0; - - BMO_slot_buffer_flag_enable(bm, op->slots_in, "faces", BM_FACE, FACE_FLAG); - - fstack = MEM_mallocN(sizeof(*fstack) * tot_faces, __func__); - - while (tot_touch != tot_faces) { - BMOIter siter; - float f_len_best = -FLT_MAX; - BMFace *f, *f_start = NULL; - float f_start_cent[3]; - - /* find a starting face */ - BMO_ITER (f, &siter, op->slots_in, "faces", BM_FACE) { - float f_cent[3]; - float f_len_test; - - /* clear dirty flag */ - BM_elem_flag_disable(f, BM_ELEM_TAG); - - if (BMO_elem_flag_test(bm, f, FACE_VIS)) - continue; - - if (!f_start) f_start = f; - - BM_face_calc_center_bounds(f, f_cent); - - if ((f_len_test = len_squared_v3(f_cent)) > f_len_best) { - f_len_best = f_len_test; - f_start = f; - copy_v3_v3(f_start_cent, f_cent); - } - } - - /* check sanity (while loop ensures) */ - BLI_assert(f_start != NULL); - - /* make sure the starting face has the correct winding */ - if (dot_v3v3(f_start_cent, f_start->no) < 0.0f) { - BM_face_normal_flip(bm, f_start); - BMO_elem_flag_toggle(bm, f_start, FACE_FLIP); - - if (use_face_tag) { - BM_elem_flag_toggle(f_start, BM_ELEM_TAG); - } - } - - /* now that we've found our starting face, make all connected faces - * have the same winding. this is done recursively, using a manual - * stack (if we use simple function recursion, we'd end up overloading - * the stack on large meshes). */ - STACK_INIT(fstack); - - STACK_PUSH(fstack, f_start); - BMO_elem_flag_enable(bm, f_start, FACE_VIS); - tot_touch++; - - while ((f = STACK_POP(fstack))) { - BMIter liter; - BMLoop *l; - - BM_ITER_ELEM (l, &liter, f, BM_LOOPS_OF_FACE) { - BMLoop *l_other = l->radial_next; - - if ((l_other == l) || l_other->radial_next != l) { - continue; - } - - if (BMO_elem_flag_test(bm, l_other->f, FACE_FLAG)) { - if (!BMO_elem_flag_test(bm, l_other->f, FACE_VIS)) { - BMO_elem_flag_enable(bm, l_other->f, FACE_VIS); - tot_touch++; - - - if (l_other->v == l->v) { - BM_face_normal_flip(bm, l_other->f); - - BMO_elem_flag_toggle(bm, l_other->f, FACE_FLIP); - if (use_face_tag) { - BM_elem_flag_toggle(l_other->f, BM_ELEM_TAG); - } - } - else if (BM_elem_flag_test(l_other->f, BM_ELEM_TAG) || BM_elem_flag_test(l->f, BM_ELEM_TAG)) { - if (use_face_tag) { - BM_elem_flag_disable(l->f, BM_ELEM_TAG); - BM_elem_flag_disable(l_other->f, BM_ELEM_TAG); - } - } - - STACK_PUSH(fstack, l_other->f); - } - } - } - } - } - - MEM_freeN(fstack); -} - void bmo_smooth_vert_exec(BMesh *UNUSED(bm), BMOperator *op) { BMOIter siter; |