648 lines
16 KiB
C
648 lines
16 KiB
C
/*
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* ***** BEGIN GPL LICENSE BLOCK *****
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*
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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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* Contributor(s): Joseph Eagar.
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*
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* ***** END GPL LICENSE BLOCK *****
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*/
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/** \file blender/bmesh/operators/bmo_utils.c
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* \ingroup bmesh
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*
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* utility bmesh operators, e.g. transform,
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* translate, rotate, scale, etc.
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*/
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#include "MEM_guardedalloc.h"
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#include "DNA_meshdata_types.h"
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#include "BLI_math.h"
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#include "BLI_alloca.h"
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#include "BKE_customdata.h"
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#include "bmesh.h"
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#include "intern/bmesh_operators_private.h" /* own include */
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#define ELE_NEW 1
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void bmo_create_vert_exec(BMesh *bm, BMOperator *op)
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{
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float vec[3];
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BMO_slot_vec_get(op->slots_in, "co", vec);
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BMO_elem_flag_enable(bm, BM_vert_create(bm, vec, NULL, BM_CREATE_NOP), ELE_NEW);
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BMO_slot_buffer_from_enabled_flag(bm, op, op->slots_out, "vert.out", BM_VERT, ELE_NEW);
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}
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void bmo_transform_exec(BMesh *UNUSED(bm), BMOperator *op)
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{
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BMOIter iter;
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BMVert *v;
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float mat[4][4], mat_space[4][4], imat_space[4][4];
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BMO_slot_mat4_get(op->slots_in, "matrix", mat);
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BMO_slot_mat4_get(op->slots_in, "space", mat_space);
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if (!is_zero_m4(mat_space)) {
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invert_m4_m4(imat_space, mat_space);
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mul_m4_series(mat, imat_space, mat, mat_space);
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}
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BMO_ITER (v, &iter, op->slots_in, "verts", BM_VERT) {
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mul_m4_v3(mat, v->co);
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}
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}
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void bmo_translate_exec(BMesh *bm, BMOperator *op)
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{
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float mat[4][4], vec[3];
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BMO_slot_vec_get(op->slots_in, "vec", vec);
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unit_m4(mat);
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copy_v3_v3(mat[3], vec);
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BMO_op_callf(bm, op->flag, "transform matrix=%m4 space=%s verts=%s", mat, op, "space", op, "verts");
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}
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void bmo_scale_exec(BMesh *bm, BMOperator *op)
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{
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float mat[3][3], vec[3];
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BMO_slot_vec_get(op->slots_in, "vec", vec);
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unit_m3(mat);
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mat[0][0] = vec[0];
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mat[1][1] = vec[1];
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mat[2][2] = vec[2];
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BMO_op_callf(bm, op->flag, "transform matrix=%m3 space=%s verts=%s", mat, op, "space", op, "verts");
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}
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void bmo_rotate_exec(BMesh *bm, BMOperator *op)
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{
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float center[3];
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float mat[4][4];
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BMO_slot_vec_get(op->slots_in, "cent", center);
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BMO_slot_mat4_get(op->slots_in, "matrix", mat);
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transform_pivot_set_m4(mat, center);
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BMO_op_callf(bm, op->flag, "transform matrix=%m4 space=%s verts=%s", mat, op, "space", op, "verts");
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}
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void bmo_reverse_faces_exec(BMesh *bm, BMOperator *op)
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{
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BMOIter siter;
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BMFace *f;
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BMO_ITER (f, &siter, op->slots_in, "faces", BM_FACE) {
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BM_face_normal_flip(bm, f);
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}
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}
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void bmo_rotate_edges_exec(BMesh *bm, BMOperator *op)
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{
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BMOIter siter;
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BMEdge *e, *e2;
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const bool use_ccw = BMO_slot_bool_get(op->slots_in, "use_ccw");
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const bool is_single = BMO_slot_buffer_count(op->slots_in, "edges") == 1;
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short check_flag = is_single ?
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BM_EDGEROT_CHECK_EXISTS :
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BM_EDGEROT_CHECK_EXISTS | BM_EDGEROT_CHECK_DEGENERATE;
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#define EDGE_OUT 1
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#define FACE_TAINT 1
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BMO_ITER (e, &siter, op->slots_in, "edges", BM_EDGE) {
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/**
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* this ends up being called twice, could add option to not to call check in
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* #BM_edge_rotate to get some extra speed */
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if (BM_edge_rotate_check(e)) {
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BMFace *fa, *fb;
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if (BM_edge_face_pair(e, &fa, &fb)) {
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/* check we're untouched */
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if (BMO_elem_flag_test(bm, fa, FACE_TAINT) == false &&
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BMO_elem_flag_test(bm, fb, FACE_TAINT) == false)
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{
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/* don't touch again (faces will be freed so run before rotating the edge) */
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BMO_elem_flag_enable(bm, fa, FACE_TAINT);
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BMO_elem_flag_enable(bm, fb, FACE_TAINT);
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if (!(e2 = BM_edge_rotate(bm, e, use_ccw, check_flag))) {
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BMO_elem_flag_disable(bm, fa, FACE_TAINT);
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BMO_elem_flag_disable(bm, fb, FACE_TAINT);
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#if 0
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BMO_error_raise(bm, op, BMERR_INVALID_SELECTION, "Could not rotate edge");
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return;
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#endif
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continue;
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}
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BMO_elem_flag_enable(bm, e2, EDGE_OUT);
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}
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}
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}
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}
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BMO_slot_buffer_from_enabled_flag(bm, op, op->slots_out, "edges.out", BM_EDGE, EDGE_OUT);
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#undef EDGE_OUT
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#undef FACE_TAINT
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}
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#define SEL_FLAG 1
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#define SEL_ORIG 2
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static void bmo_face_flag_set_flush(BMesh *bm, BMFace *f, const short oflag, const bool value)
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{
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BMLoop *l_iter;
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BMLoop *l_first;
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BMO_elem_flag_set(bm, f, oflag, value);
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l_iter = l_first = BM_FACE_FIRST_LOOP(f);
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do {
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BMO_elem_flag_set(bm, l_iter->e, oflag, value);
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BMO_elem_flag_set(bm, l_iter->v, oflag, value);
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} while ((l_iter = l_iter->next) != l_first);
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}
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static void bmo_region_extend_expand(
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BMesh *bm, BMOperator *op,
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const bool use_faces, const bool use_faces_step)
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{
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BMOIter siter;
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if (!use_faces) {
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BMVert *v;
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BMO_ITER (v, &siter, op->slots_in, "geom", BM_VERT) {
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bool found = false;
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{
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BMIter eiter;
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BMEdge *e;
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BM_ITER_ELEM (e, &eiter, v, BM_EDGES_OF_VERT) {
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if (!BMO_elem_flag_test(bm, e, SEL_ORIG)) {
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found = true;
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break;
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}
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}
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}
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if (found) {
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if (!use_faces_step) {
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BMIter eiter;
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BMEdge *e;
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BM_ITER_ELEM (e, &eiter, v, BM_EDGES_OF_VERT) {
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if (!BMO_elem_flag_test(bm, e, SEL_FLAG)) {
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BMO_elem_flag_enable(bm, e, SEL_FLAG);
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BMO_elem_flag_enable(bm, BM_edge_other_vert(e, v), SEL_FLAG);
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}
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}
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}
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else {
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BMIter fiter;
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BMFace *f;
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BM_ITER_ELEM (f, &fiter, v, BM_FACES_OF_VERT) {
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if (!BMO_elem_flag_test(bm, f, SEL_FLAG)) {
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bmo_face_flag_set_flush(bm, f, SEL_FLAG, true);
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}
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}
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}
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}
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}
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}
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else {
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BMFace *f;
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BMO_ITER (f, &siter, op->slots_in, "geom", BM_FACE) {
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BMIter liter;
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BMLoop *l;
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BM_ITER_ELEM (l, &liter, f, BM_LOOPS_OF_FACE) {
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if (!use_faces_step) {
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BMIter fiter;
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BMFace *f_other;
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BM_ITER_ELEM (f_other, &fiter, l->e, BM_FACES_OF_EDGE) {
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if (!BMO_elem_flag_test(bm, f_other, SEL_ORIG | SEL_FLAG)) {
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BMO_elem_flag_enable(bm, f_other, SEL_FLAG);
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}
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}
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}
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else {
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BMIter fiter;
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BMFace *f_other;
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BM_ITER_ELEM (f_other, &fiter, l->v, BM_FACES_OF_VERT) {
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if (!BMO_elem_flag_test(bm, f_other, SEL_ORIG | SEL_FLAG)) {
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BMO_elem_flag_enable(bm, f_other, SEL_FLAG);
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}
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}
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}
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}
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}
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}
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}
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static void bmo_region_extend_contract(
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BMesh *bm, BMOperator *op,
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const bool use_faces, const bool use_faces_step)
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{
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BMOIter siter;
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if (!use_faces) {
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BMVert *v;
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BMO_ITER (v, &siter, op->slots_in, "geom", BM_VERT) {
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bool found = false;
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if (!use_faces_step) {
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BMIter eiter;
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BMEdge *e;
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BM_ITER_ELEM (e, &eiter, v, BM_EDGES_OF_VERT) {
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if (!BMO_elem_flag_test(bm, e, SEL_ORIG)) {
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found = true;
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break;
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}
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}
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}
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else {
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BMIter fiter;
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BMFace *f;
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BM_ITER_ELEM (f, &fiter, v, BM_FACES_OF_VERT) {
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if (!BMO_elem_flag_test(bm, f, SEL_ORIG)) {
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found = true;
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break;
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}
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}
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}
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if (found) {
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BMIter eiter;
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BMEdge *e;
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BMO_elem_flag_enable(bm, v, SEL_FLAG);
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BM_ITER_ELEM (e, &eiter, v, BM_EDGES_OF_VERT) {
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BMO_elem_flag_enable(bm, e, SEL_FLAG);
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}
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}
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}
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}
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else {
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BMFace *f;
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BMO_ITER (f, &siter, op->slots_in, "geom", BM_FACE) {
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BMIter liter;
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BMLoop *l;
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BM_ITER_ELEM (l, &liter, f, BM_LOOPS_OF_FACE) {
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if (!use_faces_step) {
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BMIter fiter;
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BMFace *f_other;
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BM_ITER_ELEM (f_other, &fiter, l->e, BM_FACES_OF_EDGE) {
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if (!BMO_elem_flag_test(bm, f_other, SEL_ORIG)) {
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BMO_elem_flag_enable(bm, f, SEL_FLAG);
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break;
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}
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}
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}
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else {
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BMIter fiter;
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BMFace *f_other;
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BM_ITER_ELEM (f_other, &fiter, l->v, BM_FACES_OF_VERT) {
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if (!BMO_elem_flag_test(bm, f_other, SEL_ORIG)) {
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BMO_elem_flag_enable(bm, f, SEL_FLAG);
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break;
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}
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}
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}
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}
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}
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}
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}
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void bmo_region_extend_exec(BMesh *bm, BMOperator *op)
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{
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const bool use_faces = BMO_slot_bool_get(op->slots_in, "use_faces");
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const bool use_face_step = BMO_slot_bool_get(op->slots_in, "use_face_step");
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const bool constrict = BMO_slot_bool_get(op->slots_in, "use_contract");
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BMO_slot_buffer_flag_enable(bm, op->slots_in, "geom", BM_ALL_NOLOOP, SEL_ORIG);
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if (constrict) {
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bmo_region_extend_contract(bm, op, use_faces, use_face_step);
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}
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else {
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bmo_region_extend_expand(bm, op, use_faces, use_face_step);
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}
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BMO_slot_buffer_from_enabled_flag(bm, op, op->slots_out, "geom.out", BM_ALL_NOLOOP, SEL_FLAG);
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}
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void bmo_smooth_vert_exec(BMesh *UNUSED(bm), BMOperator *op)
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{
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BMOIter siter;
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BMIter iter;
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BMVert *v;
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BMEdge *e;
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float (*cos)[3] = MEM_mallocN(sizeof(*cos) * BMO_slot_buffer_count(op->slots_in, "verts"), __func__);
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float *co, *co2, clip_dist = BMO_slot_float_get(op->slots_in, "clip_dist");
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const float fac = BMO_slot_float_get(op->slots_in, "factor");
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int i, j, clipx, clipy, clipz;
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int xaxis, yaxis, zaxis;
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clipx = BMO_slot_bool_get(op->slots_in, "mirror_clip_x");
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clipy = BMO_slot_bool_get(op->slots_in, "mirror_clip_y");
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clipz = BMO_slot_bool_get(op->slots_in, "mirror_clip_z");
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xaxis = BMO_slot_bool_get(op->slots_in, "use_axis_x");
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yaxis = BMO_slot_bool_get(op->slots_in, "use_axis_y");
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zaxis = BMO_slot_bool_get(op->slots_in, "use_axis_z");
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i = 0;
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BMO_ITER (v, &siter, op->slots_in, "verts", BM_VERT) {
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co = cos[i];
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zero_v3(co);
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j = 0;
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BM_ITER_ELEM (e, &iter, v, BM_EDGES_OF_VERT) {
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co2 = BM_edge_other_vert(e, v)->co;
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add_v3_v3v3(co, co, co2);
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j += 1;
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}
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if (!j) {
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copy_v3_v3(co, v->co);
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i++;
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continue;
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}
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mul_v3_fl(co, 1.0f / (float)j);
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interp_v3_v3v3(co, v->co, co, fac);
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if (clipx && fabsf(v->co[0]) <= clip_dist)
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co[0] = 0.0f;
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if (clipy && fabsf(v->co[1]) <= clip_dist)
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co[1] = 0.0f;
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if (clipz && fabsf(v->co[2]) <= clip_dist)
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co[2] = 0.0f;
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i++;
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}
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i = 0;
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BMO_ITER (v, &siter, op->slots_in, "verts", BM_VERT) {
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if (xaxis)
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v->co[0] = cos[i][0];
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if (yaxis)
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v->co[1] = cos[i][1];
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if (zaxis)
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v->co[2] = cos[i][2];
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i++;
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}
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MEM_freeN(cos);
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}
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/**************************************************************************** *
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* Cycle UVs for a face
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**************************************************************************** */
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void bmo_rotate_uvs_exec(BMesh *bm, BMOperator *op)
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{
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BMOIter fs_iter; /* selected faces iterator */
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BMFace *fs; /* current face */
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BMIter l_iter; /* iteration loop */
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const bool use_ccw = BMO_slot_bool_get(op->slots_in, "use_ccw");
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const int cd_loop_uv_offset = CustomData_get_offset(&bm->ldata, CD_MLOOPUV);
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if (cd_loop_uv_offset != -1) {
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BMO_ITER (fs, &fs_iter, op->slots_in, "faces", BM_FACE) {
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if (use_ccw == false) { /* same loops direction */
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BMLoop *lf; /* current face loops */
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MLoopUV *f_luv; /* first face loop uv */
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float p_uv[2]; /* previous uvs */
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float t_uv[2]; /* tmp uvs */
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int n = 0;
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BM_ITER_ELEM (lf, &l_iter, fs, BM_LOOPS_OF_FACE) {
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/* current loop uv is the previous loop uv */
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MLoopUV *luv = BM_ELEM_CD_GET_VOID_P(lf, cd_loop_uv_offset);
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if (n == 0) {
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f_luv = luv;
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copy_v2_v2(p_uv, luv->uv);
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}
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else {
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copy_v2_v2(t_uv, luv->uv);
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copy_v2_v2(luv->uv, p_uv);
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copy_v2_v2(p_uv, t_uv);
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}
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n++;
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}
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copy_v2_v2(f_luv->uv, p_uv);
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}
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else { /* counter loop direction */
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BMLoop *lf; /* current face loops */
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MLoopUV *p_luv; /* previous loop uv */
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MLoopUV *luv;
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float t_uv[2]; /* current uvs */
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int n = 0;
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BM_ITER_ELEM (lf, &l_iter, fs, BM_LOOPS_OF_FACE) {
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|
/* previous loop uv is the current loop uv */
|
|
luv = BM_ELEM_CD_GET_VOID_P(lf, cd_loop_uv_offset);
|
|
if (n == 0) {
|
|
p_luv = luv;
|
|
copy_v2_v2(t_uv, luv->uv);
|
|
}
|
|
else {
|
|
copy_v2_v2(p_luv->uv, luv->uv);
|
|
p_luv = luv;
|
|
}
|
|
n++;
|
|
}
|
|
|
|
copy_v2_v2(luv->uv, t_uv);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
/**************************************************************************** *
|
|
* Reverse UVs for a face
|
|
**************************************************************************** */
|
|
|
|
static void bm_face_reverse_uvs(BMFace *f, const int cd_loop_uv_offset)
|
|
{
|
|
BMIter iter;
|
|
BMLoop *l;
|
|
int i;
|
|
|
|
float (*uvs)[2] = BLI_array_alloca(uvs, f->len);
|
|
|
|
BM_ITER_ELEM_INDEX (l, &iter, f, BM_LOOPS_OF_FACE, i) {
|
|
MLoopUV *luv = BM_ELEM_CD_GET_VOID_P(l, cd_loop_uv_offset);
|
|
copy_v2_v2(uvs[i], luv->uv);
|
|
}
|
|
|
|
/* now that we have the uvs in the array, reverse! */
|
|
BM_ITER_ELEM_INDEX (l, &iter, f, BM_LOOPS_OF_FACE, i) {
|
|
/* current loop uv is the previous loop uv */
|
|
MLoopUV *luv = BM_ELEM_CD_GET_VOID_P(l, cd_loop_uv_offset);
|
|
copy_v2_v2(luv->uv, uvs[(f->len - i - 1)]);
|
|
}
|
|
}
|
|
void bmo_reverse_uvs_exec(BMesh *bm, BMOperator *op)
|
|
{
|
|
BMOIter iter;
|
|
BMFace *f;
|
|
const int cd_loop_uv_offset = CustomData_get_offset(&bm->ldata, CD_MLOOPUV);
|
|
|
|
if (cd_loop_uv_offset != -1) {
|
|
BMO_ITER (f, &iter, op->slots_in, "faces", BM_FACE) {
|
|
bm_face_reverse_uvs(f, cd_loop_uv_offset);
|
|
}
|
|
}
|
|
}
|
|
|
|
/**************************************************************************** *
|
|
* Cycle colors for a face
|
|
**************************************************************************** */
|
|
|
|
void bmo_rotate_colors_exec(BMesh *bm, BMOperator *op)
|
|
{
|
|
BMOIter fs_iter; /* selected faces iterator */
|
|
BMFace *fs; /* current face */
|
|
BMIter l_iter; /* iteration loop */
|
|
|
|
const bool use_ccw = BMO_slot_bool_get(op->slots_in, "use_ccw");
|
|
const int cd_loop_color_offset = CustomData_get_offset(&bm->ldata, CD_MLOOPCOL);
|
|
|
|
if (cd_loop_color_offset != -1) {
|
|
BMO_ITER (fs, &fs_iter, op->slots_in, "faces", BM_FACE) {
|
|
if (use_ccw == false) { /* same loops direction */
|
|
BMLoop *lf; /* current face loops */
|
|
MLoopCol *f_lcol; /* first face loop color */
|
|
MLoopCol p_col; /* previous color */
|
|
MLoopCol t_col; /* tmp color */
|
|
|
|
int n = 0;
|
|
BM_ITER_ELEM (lf, &l_iter, fs, BM_LOOPS_OF_FACE) {
|
|
/* current loop color is the previous loop color */
|
|
MLoopCol *lcol = BM_ELEM_CD_GET_VOID_P(lf, cd_loop_color_offset);
|
|
if (n == 0) {
|
|
f_lcol = lcol;
|
|
p_col = *lcol;
|
|
}
|
|
else {
|
|
t_col = *lcol;
|
|
*lcol = p_col;
|
|
p_col = t_col;
|
|
}
|
|
n++;
|
|
}
|
|
|
|
*f_lcol = p_col;
|
|
}
|
|
else { /* counter loop direction */
|
|
BMLoop *lf; /* current face loops */
|
|
MLoopCol *p_lcol; /* previous loop color */
|
|
MLoopCol *lcol;
|
|
MLoopCol t_col; /* current color */
|
|
|
|
int n = 0;
|
|
BM_ITER_ELEM (lf, &l_iter, fs, BM_LOOPS_OF_FACE) {
|
|
/* previous loop color is the current loop color */
|
|
lcol = BM_ELEM_CD_GET_VOID_P(lf, cd_loop_color_offset);
|
|
if (n == 0) {
|
|
p_lcol = lcol;
|
|
t_col = *lcol;
|
|
}
|
|
else {
|
|
*p_lcol = *lcol;
|
|
p_lcol = lcol;
|
|
}
|
|
n++;
|
|
}
|
|
|
|
*lcol = t_col;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
/*************************************************************************** *
|
|
* Reverse colors for a face
|
|
*************************************************************************** */
|
|
static void bm_face_reverse_colors(BMFace *f, const int cd_loop_color_offset)
|
|
{
|
|
BMIter iter;
|
|
BMLoop *l;
|
|
int i;
|
|
|
|
MLoopCol *cols = BLI_array_alloca(cols, f->len);
|
|
|
|
BM_ITER_ELEM_INDEX (l, &iter, f, BM_LOOPS_OF_FACE, i) {
|
|
MLoopCol *lcol = BM_ELEM_CD_GET_VOID_P(l, cd_loop_color_offset);
|
|
cols[i] = *lcol;
|
|
}
|
|
|
|
/* now that we have the uvs in the array, reverse! */
|
|
BM_ITER_ELEM_INDEX (l, &iter, f, BM_LOOPS_OF_FACE, i) {
|
|
/* current loop uv is the previous loop color */
|
|
MLoopCol *lcol = BM_ELEM_CD_GET_VOID_P(l, cd_loop_color_offset);
|
|
*lcol = cols[(f->len - i - 1)];
|
|
}
|
|
}
|
|
void bmo_reverse_colors_exec(BMesh *bm, BMOperator *op)
|
|
{
|
|
BMOIter iter;
|
|
BMFace *f;
|
|
const int cd_loop_color_offset = CustomData_get_offset(&bm->ldata, CD_MLOOPCOL);
|
|
|
|
if (cd_loop_color_offset != -1) {
|
|
BMO_ITER (f, &iter, op->slots_in, "faces", BM_FACE) {
|
|
bm_face_reverse_colors(f, cd_loop_color_offset);
|
|
}
|
|
}
|
|
}
|