1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
|
/*
* ***** 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.
*
* ***** END GPL LICENSE BLOCK *****
*/
/** \file view3d_gizmo_preselect_type.c
* \ingroup wm
*
* \name Preselection Gizmo
*
* Use for tools to hover over data before activation.
*
* \note This is a slight mis-use of gizmo's, since clicking performs no action.
*/
#include "MEM_guardedalloc.h"
#include "BLI_math.h"
#include "DNA_mesh_types.h"
#include "BKE_context.h"
#include "BKE_layer.h"
#include "BKE_editmesh.h"
#include "DEG_depsgraph.h"
#include "DEG_depsgraph_query.h"
#include "RNA_access.h"
#include "RNA_define.h"
#include "WM_api.h"
#include "WM_types.h"
#include "bmesh.h"
#include "ED_screen.h"
#include "ED_mesh.h"
#include "ED_view3d.h"
#include "ED_gizmo_library.h"
/* -------------------------------------------------------------------- */
/** \name Mesh Edge-Ring Pre-Select Gizmo API
*
* \{ */
typedef struct MeshEdgeRingGizmo3D {
wmGizmo gizmo;
Object **objects;
uint objects_len;
int object_index;
int edge_index;
struct EditMesh_PreSelEdgeRing *psel;
} MeshEdgeRingGizmo3D;
static void gizmo_preselect_edgering_draw(const bContext *UNUSED(C), wmGizmo *gz)
{
MeshEdgeRingGizmo3D *gz_ring = (MeshEdgeRingGizmo3D *)gz;
if (gz_ring->object_index != -1) {
Object *ob = gz_ring->objects[gz_ring->object_index];
EDBM_preselect_edgering_draw(gz_ring->psel, ob->obmat);
}
}
static int gizmo_preselect_edgering_test_select(
bContext *C, wmGizmo *gz, const int mval[2])
{
MeshEdgeRingGizmo3D *gz_ring = (MeshEdgeRingGizmo3D *)gz;
struct {
Object *ob;
BMEdge *eed;
float dist;
int ob_index;
} best = {
.dist = ED_view3d_select_dist_px(),
};
struct {
int object_index;
int edge_index;
} prev = {
.object_index = gz_ring->object_index,
.edge_index = gz_ring->edge_index,
};
if (gz_ring->objects == NULL) {
ViewLayer *view_layer = CTX_data_view_layer(C);
gz_ring->objects = BKE_view_layer_array_from_objects_in_edit_mode(
view_layer, &gz_ring->objects_len);
}
ViewContext vc;
em_setup_viewcontext(C, &vc);
copy_v2_v2_int(vc.mval, mval);
for (uint ob_index = 0; ob_index < gz_ring->objects_len; ob_index++) {
Object *ob_iter = gz_ring->objects[ob_index];
ED_view3d_viewcontext_init_object(&vc, ob_iter);
BMEdge *eed_test = EDBM_edge_find_nearest_ex(&vc, &best.dist, NULL, false, false, NULL);
if (eed_test) {
best.ob = ob_iter;
best.eed = eed_test;
best.ob_index = ob_index;
}
}
BMesh *bm = NULL;
if (best.eed) {
gz_ring->object_index = best.ob_index;
bm = BKE_editmesh_from_object(gz_ring->objects[gz_ring->object_index])->bm;
BM_mesh_elem_index_ensure(bm, BM_EDGE);
gz_ring->edge_index = BM_elem_index_get(best.eed);
}
else {
gz_ring->object_index = -1;
gz_ring->edge_index = -1;
}
if ((prev.object_index == gz_ring->object_index) &&
(prev.edge_index == gz_ring->edge_index))
{
/* pass (only recalculate on change) */
}
else {
if (best.eed) {
const float (*coords)[3] = NULL;
{
Object *ob = gz_ring->objects[gz_ring->object_index];
Depsgraph *depsgraph = CTX_data_depsgraph(C);
Mesh *me_eval = (Mesh *)DEG_get_evaluated_id(depsgraph, ob->data);
if (me_eval->runtime.edit_data) {
coords = me_eval->runtime.edit_data->vertexCos;
}
}
EDBM_preselect_edgering_update_from_edge(gz_ring->psel, bm, best.eed, 1, coords);
}
else {
EDBM_preselect_edgering_clear(gz_ring->psel);
}
RNA_int_set(gz->ptr, "object_index", gz_ring->object_index);
RNA_int_set(gz->ptr, "edge_index", gz_ring->edge_index);
ARegion *ar = CTX_wm_region(C);
ED_region_tag_redraw(ar);
}
// return best.eed ? 0 : -1;
return -1;
}
static void gizmo_preselect_edgering_setup(wmGizmo *gz)
{
MeshEdgeRingGizmo3D *gz_ring = (MeshEdgeRingGizmo3D *)gz;
if (gz_ring->psel == NULL) {
gz_ring->psel = EDBM_preselect_edgering_create();
}
gz_ring->object_index = -1;
}
static void gizmo_preselect_edgering_free(wmGizmo *gz)
{
MeshEdgeRingGizmo3D *gz_ring = (MeshEdgeRingGizmo3D *)gz;
EDBM_preselect_edgering_destroy(gz_ring->psel);
gz_ring->psel = NULL;
MEM_SAFE_FREE(gz_ring->objects);
}
static int gizmo_preselect_edgering_invoke(
bContext *UNUSED(C), wmGizmo *UNUSED(gz), const wmEvent *UNUSED(event))
{
return OPERATOR_PASS_THROUGH;
}
static void GIZMO_GT_preselect_edgering_3d(wmGizmoType *gzt)
{
/* identifiers */
gzt->idname = "GIZMO_GT_preselect_edgering_3d";
/* api callbacks */
gzt->invoke = gizmo_preselect_edgering_invoke;
gzt->draw = gizmo_preselect_edgering_draw;
gzt->test_select = gizmo_preselect_edgering_test_select;
gzt->setup = gizmo_preselect_edgering_setup;
gzt->free = gizmo_preselect_edgering_free;
gzt->struct_size = sizeof(MeshEdgeRingGizmo3D);
RNA_def_int(gzt->srna, "object_index", -1, -1, INT_MAX, "Object Index", "", -1, INT_MAX);
RNA_def_int(gzt->srna, "edge_index", -1, -1, INT_MAX, "Edge Index", "", -1, INT_MAX);
}
void ED_gizmotypes_preselect_3d(void)
{
WM_gizmotype_append(GIZMO_GT_preselect_edgering_3d);
}
/** \} */
|
