1 /*
2 * This program is free software; you can redistribute it and/or
3 * modify it under the terms of the GNU General Public License
4 * as published by the Free Software Foundation; either version 2
5 * of the License, or (at your option) any later version.
6 *
7 * This program is distributed in the hope that it will be useful,
8 * but WITHOUT ANY WARRANTY; without even the implied warranty of
9 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
10 * GNU General Public License for more details.
11 *
12 * You should have received a copy of the GNU General Public License
13 * along with this program; if not, write to the Free Software Foundation,
14 * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
15 *
16 * The Original Code is Copyright (C) 2001-2002 by NaN Holding BV.
17 * All rights reserved.
18 */
19
20 /** \file
21 * \ingroup edtransform
22 */
23
24 #include <stdlib.h>
25
26 #include "BLI_math.h"
27
28 #include "BKE_context.h"
29 #include "BKE_editmesh.h"
30 #include "BKE_mesh.h"
31 #include "BKE_unit.h"
32
33 #include "ED_screen.h"
34
35 #include "UI_interface.h"
36
37 #include "transform.h"
38 #include "transform_mode.h"
39 #include "transform_snap.h"
40
41 /* -------------------------------------------------------------------- */
42 /* Transform (Normal Rotation) */
43
44 /** \name Transform Normal Rotation
45 * \{ */
46
storeCustomLNorValue(TransDataContainer * tc,BMesh * bm)47 static void storeCustomLNorValue(TransDataContainer *tc, BMesh *bm)
48 {
49 BMLoopNorEditDataArray *lnors_ed_arr = BM_loop_normal_editdata_array_init(bm, false);
50 // BMLoopNorEditData *lnor_ed = lnors_ed_arr->lnor_editdata;
51
52 tc->custom.mode.data = lnors_ed_arr;
53 tc->custom.mode.free_cb = freeCustomNormalArray;
54 }
55
freeCustomNormalArray(TransInfo * t,TransDataContainer * tc,TransCustomData * custom_data)56 void freeCustomNormalArray(TransInfo *t, TransDataContainer *tc, TransCustomData *custom_data)
57 {
58 BMLoopNorEditDataArray *lnors_ed_arr = custom_data->data;
59
60 if (t->state == TRANS_CANCEL) {
61 BMLoopNorEditData *lnor_ed = lnors_ed_arr->lnor_editdata;
62 BMEditMesh *em = BKE_editmesh_from_object(tc->obedit);
63 BMesh *bm = em->bm;
64
65 /* Restore custom loop normal on cancel */
66 for (int i = 0; i < lnors_ed_arr->totloop; i++, lnor_ed++) {
67 BKE_lnor_space_custom_normal_to_data(
68 bm->lnor_spacearr->lspacearr[lnor_ed->loop_index], lnor_ed->niloc, lnor_ed->clnors_data);
69 }
70 }
71
72 BM_loop_normal_editdata_array_free(lnors_ed_arr);
73
74 tc->custom.mode.data = NULL;
75 tc->custom.mode.free_cb = NULL;
76 }
77
78 /* Works by getting custom normal from clnor_data, transform, then store */
applyNormalRotation(TransInfo * t,const int UNUSED (mval[2]))79 static void applyNormalRotation(TransInfo *t, const int UNUSED(mval[2]))
80 {
81 char str[UI_MAX_DRAW_STR];
82
83 float axis_final[3];
84 copy_v3_v3(axis_final, t->spacemtx[t->orient_axis]);
85
86 if ((t->con.mode & CON_APPLY) && t->con.applyRot) {
87 t->con.applyRot(t, NULL, NULL, axis_final, NULL);
88 }
89
90 FOREACH_TRANS_DATA_CONTAINER (t, tc) {
91 BMEditMesh *em = BKE_editmesh_from_object(tc->obedit);
92 BMesh *bm = em->bm;
93
94 BMLoopNorEditDataArray *lnors_ed_arr = tc->custom.mode.data;
95 BMLoopNorEditData *lnor_ed = lnors_ed_arr->lnor_editdata;
96
97 float axis[3];
98 float mat[3][3];
99 float angle = t->values[0];
100 copy_v3_v3(axis, axis_final);
101
102 transform_snap_increment(t, &angle);
103
104 applySnapping(t, &angle);
105
106 applyNumInput(&t->num, &angle);
107
108 headerRotation(t, str, angle);
109
110 axis_angle_normalized_to_mat3(mat, axis, angle);
111
112 for (int i = 0; i < lnors_ed_arr->totloop; i++, lnor_ed++) {
113 mul_v3_m3v3(lnor_ed->nloc, mat, lnor_ed->niloc);
114
115 BKE_lnor_space_custom_normal_to_data(
116 bm->lnor_spacearr->lspacearr[lnor_ed->loop_index], lnor_ed->nloc, lnor_ed->clnors_data);
117 }
118
119 t->values_final[0] = angle;
120 }
121
122 recalcData(t);
123
124 ED_area_status_text(t->area, str);
125 }
126
initNormalRotation(TransInfo * t)127 void initNormalRotation(TransInfo *t)
128 {
129 t->mode = TFM_NORMAL_ROTATION;
130 t->transform = applyNormalRotation;
131
132 setInputPostFct(&t->mouse, postInputRotation);
133 initMouseInputMode(t, &t->mouse, INPUT_ANGLE);
134
135 t->idx_max = 0;
136 t->num.idx_max = 0;
137 t->snap[0] = DEG2RAD(5.0);
138 t->snap[1] = DEG2RAD(1.0);
139
140 copy_v3_fl(t->num.val_inc, t->snap[1]);
141 t->num.unit_sys = t->scene->unit.system;
142 t->num.unit_use_radians = (t->scene->unit.system_rotation == USER_UNIT_ROT_RADIANS);
143 t->num.unit_type[0] = B_UNIT_ROTATION;
144
145 FOREACH_TRANS_DATA_CONTAINER (t, tc) {
146 BMEditMesh *em = BKE_editmesh_from_object(tc->obedit);
147 BMesh *bm = em->bm;
148
149 BKE_editmesh_ensure_autosmooth(em, tc->obedit->data);
150 BKE_editmesh_lnorspace_update(em, tc->obedit->data);
151
152 storeCustomLNorValue(tc, bm);
153 }
154 }
155 /** \} */
156