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/*
* ***** 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.
*
* Contributor(s): Joseph Eagar.
*
* ***** END GPL LICENSE BLOCK *****
*/
#include "MEM_guardedalloc.h"
#include "DNA_meshdata_types.h"
#include "BLI_math.h"
#include "BLI_array.h"
#include "BKE_customdata.h"
#include "bmesh.h"
#include "bmesh_operators_private.h" /* own include */
#define ELE_NEW 1
void bmo_mirror_exec(BMesh *bm, BMOperator *op)
{
BMOperator dupeop, weldop;
BMOIter siter;
BMIter iter;
BMVert *v, *v2, **vmap = NULL;
BLI_array_declare(vmap);
BMEdge /* *e, */ **emap = NULL;
BLI_array_declare(emap);
float mtx[4][4];
float imtx[4][4];
float scale[3] = {1.0f, 1.0f, 1.0f};
float dist = BMO_slot_float_get(op, "mergedist");
int i, ototvert /*, ototedge */;
int axis = BMO_slot_int_get(op, "axis");
int mirroru = BMO_slot_bool_get(op, "mirror_u");
int mirrorv = BMO_slot_bool_get(op, "mirror_v");
ototvert = bm->totvert;
/* ototedge = bm->totedge; */ /* UNUSED */
BMO_slot_mat4_get(op, "mat", mtx);
invert_m4_m4(imtx, mtx);
BMO_op_initf(bm, &dupeop, "dupe geom=%s", op, "geom");
BMO_op_exec(bm, &dupeop);
BMO_slot_buffer_flag_enable(bm, &dupeop, "newout", ELE_NEW, BM_ALL);
/* create old -> new mappin */
i = 0;
v2 = BM_iter_new(&iter, bm, BM_VERTS_OF_MESH, NULL);
BMO_ITER(v, &siter, bm, &dupeop, "newout", BM_VERT) {
BLI_array_growone(vmap);
vmap[i] = v;
/* BMESH_TODO, double check this is being used, calling following operators will overwrite anyway - campbell */
BM_elem_index_set(v2, i); /* set_dirty! */
v2 = BM_iter_step(&iter);
i++;
}
bm->elem_index_dirty |= BM_VERT;
/* feed old data to transform bmo */
scale[axis] = -1.0f;
BMO_op_callf(bm, "transform verts=%fv mat=%m4", ELE_NEW, mtx);
BMO_op_callf(bm, "scale verts=%fv vec=%v", ELE_NEW, scale);
BMO_op_callf(bm, "transform verts=%fv mat=%m4", ELE_NEW, imtx);
BMO_op_init(bm, &weldop, "weldverts");
v = BM_iter_new(&iter, bm, BM_VERTS_OF_MESH, NULL);
for (i = 0; i < ototvert; i++) {
if (ABS(v->co[axis]) <= dist) {
BMO_slot_map_ptr_insert(bm, &weldop, "targetmap", vmap[i], v);
}
v = BM_iter_step(&iter);
}
if (mirroru || mirrorv) {
BMFace *f;
BMLoop *l;
MLoopUV *luv;
int totlayer;
BMIter liter;
BMO_ITER(f, &siter, bm, &dupeop, "newout", BM_FACE) {
BM_ITER(l, &liter, bm, BM_LOOPS_OF_FACE, f) {
totlayer = CustomData_number_of_layers(&bm->ldata, CD_MLOOPUV);
for (i = 0; i < totlayer; i++) {
luv = CustomData_bmesh_get_n(&bm->ldata, l->head.data, CD_MLOOPUV, i);
if (mirroru)
luv->uv[0] = 1.0f - luv->uv[0];
if (mirrorv)
luv->uv[1] = 1.0f - luv->uv[1];
}
}
}
}
BMO_op_exec(bm, &weldop);
BMO_op_finish(bm, &weldop);
BMO_op_finish(bm, &dupeop);
BMO_slot_buffer_from_flag(bm, op, "newout", ELE_NEW, BM_ALL);
BLI_array_free(vmap);
BLI_array_free(emap);
}
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