forked from bartvdbraak/blender
Fix [#31535] Radian Unit System Button Ignored for Face Angles display.
Also avoid multiplying each vertex three times with obmat...
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@ -2951,6 +2951,7 @@ static void draw_em_measure_stats(View3D *v3d, Object *ob, BMEditMesh *em, UnitS
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if (me->drawflag & ME_DRAWEXTRA_FACEANG) {
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BMFace *efa;
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int is_rad = unit->system_rotation == USER_UNIT_ROT_RADIANS;
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UI_GetThemeColor3ubv(TH_DRAWEXTRA_FACEANG, col);
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@ -2961,37 +2962,41 @@ static void draw_em_measure_stats(View3D *v3d, Object *ob, BMEditMesh *em, UnitS
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if (is_face_sel || do_moving) {
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BMIter liter;
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BMLoop *loop;
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int cent_ok = FALSE;
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int is_first = TRUE;
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BM_ITER_ELEM(loop, &liter, efa, BM_LOOPS_OF_FACE) {
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if (is_face_sel || (do_moving && BM_elem_flag_test(loop->v, BM_ELEM_SELECT))) {
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/* yes, we should avoid triple matrix multiply every vertex for 'global' */
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float angle;
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/* lazy init center calc */
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if (cent_ok == FALSE) {
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if (is_first) {
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BM_face_calc_center_bounds(efa, vmid);
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cent_ok = TRUE;
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}
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/* Avoid triple matrix multiply every vertex for 'global' */
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if (do_global) {
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copy_v3_v3(v1, loop->prev->v->co);
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copy_v3_v3(v2, loop->v->co);
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copy_v3_v3(v3, loop->next->v->co);
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mul_mat3_m4_v3(ob->obmat, v1);
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mul_mat3_m4_v3(ob->obmat, v2);
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}
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is_first = FALSE;
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}
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if (do_global) {
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copy_v3_v3(v3, loop->next->v->co);
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mul_mat3_m4_v3(ob->obmat, v3);
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angle = angle_v3v3v3(v1, v2, v3);
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interp_v3_v3v3(fvec, vmid, v2, 0.8f);
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copy_v3_v3(v1, v2);
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copy_v3_v3(v2, v3);
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}
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else {
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angle = angle_v3v3v3(loop->prev->v->co, loop->v->co, loop->next->v->co);
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interp_v3_v3v3(fvec, vmid, loop->v->co, 0.8f);
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}
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BLI_snprintf(numstr, sizeof(numstr), "%.3f", RAD2DEGF(angle));
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BLI_snprintf(numstr, sizeof(numstr), "%.3f", is_rad ? angle : RAD2DEGF(angle));
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view3d_cached_text_draw_add(fvec, numstr, 0, txt_flag, col);
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}
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}
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