Campbell Barton
c434782e3a
Use a shorter/simpler license convention, stops the header taking so much space. Follow the SPDX license specification: https://spdx.org/licenses - C/C++/objc/objc++ - Python - Shell Scripts - CMake, GNUmakefile While most of the source tree has been included - `./extern/` was left out. - `./intern/cycles` & `./intern/atomic` are also excluded because they use different header conventions. doc/license/SPDX-license-identifiers.txt has been added to list SPDX all used identifiers. See P2788 for the script that automated these edits. Reviewed By: brecht, mont29, sergey Ref D14069
108 lines
2.9 KiB
C
108 lines
2.9 KiB
C
/* SPDX-License-Identifier: GPL-2.0-or-later */
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/** \file
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* \ingroup bmesh
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*
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* Basic mirror, optionally with UVs's.
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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 "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_mirror_exec(BMesh *bm, BMOperator *op)
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{
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BMOperator dupeop, weldop;
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BMOIter siter;
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BMVert *v;
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float scale[3] = {1.0f, 1.0f, 1.0f};
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float dist = BMO_slot_float_get(op->slots_in, "merge_dist");
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int i;
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int axis = BMO_slot_int_get(op->slots_in, "axis");
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bool mirror_u = BMO_slot_bool_get(op->slots_in, "mirror_u");
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bool mirror_v = BMO_slot_bool_get(op->slots_in, "mirror_v");
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bool mirror_udim = BMO_slot_bool_get(op->slots_in, "mirror_udim");
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BMOpSlot *slot_targetmap;
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BMOpSlot *slot_vertmap;
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BMO_op_initf(bm, &dupeop, op->flag, "duplicate geom=%s", op, "geom");
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BMO_op_exec(bm, &dupeop);
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BMO_slot_buffer_flag_enable(bm, dupeop.slots_out, "geom.out", BM_ALL_NOLOOP, ELE_NEW);
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/* feed old data to transform bmo */
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scale[axis] = -1.0f;
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BMO_op_callf(bm,
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op->flag,
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"scale verts=%fv vec=%v space=%s use_shapekey=%s",
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ELE_NEW,
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scale,
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op,
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"matrix",
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op,
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"use_shapekey");
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BMO_op_init(bm, &weldop, op->flag, "weld_verts");
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slot_targetmap = BMO_slot_get(weldop.slots_in, "targetmap");
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slot_vertmap = BMO_slot_get(dupeop.slots_out, "vert_map.out");
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BMO_ITER (v, &siter, op->slots_in, "geom", BM_VERT) {
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if (fabsf(v->co[axis]) <= dist) {
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BMVert *v_new = BMO_slot_map_elem_get(slot_vertmap, v);
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BLI_assert(v_new != NULL);
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BMO_slot_map_elem_insert(&weldop, slot_targetmap, v_new, v);
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}
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}
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if (mirror_u || mirror_v) {
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BMFace *f;
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BMLoop *l;
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MLoopUV *luv;
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const int totlayer = CustomData_number_of_layers(&bm->ldata, CD_MLOOPUV);
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BMIter liter;
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BMO_ITER (f, &siter, dupeop.slots_out, "geom.out", BM_FACE) {
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BM_ITER_ELEM (l, &liter, f, BM_LOOPS_OF_FACE) {
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for (i = 0; i < totlayer; i++) {
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luv = CustomData_bmesh_get_n(&bm->ldata, l->head.data, CD_MLOOPUV, i);
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if (mirror_u) {
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float uv_u = luv->uv[0];
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if (mirror_udim) {
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luv->uv[0] = ceilf(uv_u) - fmodf(uv_u, 1.0f);
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}
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else {
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luv->uv[0] = 1.0f - uv_u;
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}
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}
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if (mirror_v) {
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float uv_v = luv->uv[1];
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if (mirror_udim) {
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luv->uv[1] = ceilf(uv_v) - fmodf(uv_v, 1.0f);
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}
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else {
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luv->uv[1] = 1.0f - uv_v;
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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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BMO_op_exec(bm, &weldop);
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BMO_op_finish(bm, &weldop);
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BMO_op_finish(bm, &dupeop);
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BMO_slot_buffer_from_enabled_flag(bm, op, op->slots_out, "geom.out", BM_ALL_NOLOOP, ELE_NEW);
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}
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