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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.
*
* The Original Code is Copyright (C) 2004 by Blender Foundation.
* All rights reserved.
*
* The Original Code is: all of this file.
*
* Contributor(s): Joseph Eagar
*
* ***** END GPL LICENSE BLOCK *****
*/
/** \file blender/editors/mesh/editmesh_extrude.c
* \ingroup edmesh
*/
#include "DNA_modifier_types.h"
#include "DNA_object_types.h"
#include "BLI_math.h"
#include "BLI_listbase.h"
#include "BKE_context.h"
#include "BKE_global.h"
#include "BKE_main.h"
#include "BKE_object.h"
#include "BKE_report.h"
#include "BKE_editmesh.h"
#include "RNA_define.h"
#include "RNA_access.h"
#include "WM_types.h"
#include "ED_mesh.h"
#include "ED_screen.h"
#include "ED_transform.h"
#include "ED_view3d.h"
#include "mesh_intern.h" /* own include */
static void edbm_extrude_edge_exclude_mirror(
Object *obedit, BMEditMesh *em,
const char hflag,
BMOperator *op, BMOpSlot *slot_edges_exclude)
{
BMesh *bm = em->bm;
ModifierData *md;
/* If a mirror modifier with clipping is on, we need to adjust some
* of the cases above to handle edges on the line of symmetry.
*/
for (md = obedit->modifiers.first; md; md = md->next) {
if ((md->type == eModifierType_Mirror) && (md->mode & eModifierMode_Realtime)) {
MirrorModifierData *mmd = (MirrorModifierData *) md;
if (mmd->flag & MOD_MIR_CLIPPING) {
BMIter iter;
BMEdge *edge;
float mtx[4][4];
if (mmd->mirror_ob) {
float imtx[4][4];
invert_m4_m4(imtx, mmd->mirror_ob->obmat);
mul_m4_m4m4(mtx, imtx, obedit->obmat);
}
BM_ITER_MESH (edge, &iter, bm, BM_EDGES_OF_MESH) {
if (BM_elem_flag_test(edge, hflag) &&
BM_edge_is_boundary(edge) &&
BM_elem_flag_test(edge->l->f, hflag))
{
float co1[3], co2[3];
copy_v3_v3(co1, edge->v1->co);
copy_v3_v3(co2, edge->v2->co);
if (mmd->mirror_ob) {
mul_v3_m4v3(co1, mtx, co1);
mul_v3_m4v3(co2, mtx, co2);
}
if (mmd->flag & MOD_MIR_AXIS_X) {
if ((fabsf(co1[0]) < mmd->tolerance) &&
(fabsf(co2[0]) < mmd->tolerance))
{
BMO_slot_map_empty_insert(op, slot_edges_exclude, edge);
}
}
if (mmd->flag & MOD_MIR_AXIS_Y) {
if ((fabsf(co1[1]) < mmd->tolerance) &&
(fabsf(co2[1]) < mmd->tolerance))
{
BMO_slot_map_empty_insert(op, slot_edges_exclude, edge);
}
}
if (mmd->flag & MOD_MIR_AXIS_Z) {
if ((fabsf(co1[2]) < mmd->tolerance) &&
(fabsf(co2[2]) < mmd->tolerance))
{
BMO_slot_map_empty_insert(op, slot_edges_exclude, edge);
}
}
}
}
}
}
}
}
/* individual face extrude */
/* will use vertex normals for extrusion directions, so *nor is unaffected */
static bool edbm_extrude_discrete_faces(BMEditMesh *em, wmOperator *op, const char hflag)
{
BMOIter siter;
BMIter liter;
BMFace *f;
BMLoop *l;
BMOperator bmop;
EDBM_op_init(
em, &bmop, op,
"extrude_discrete_faces faces=%hf use_select_history=%b",
hflag, true);
/* deselect original verts */
EDBM_flag_disable_all(em, BM_ELEM_SELECT);
BMO_op_exec(em->bm, &bmop);
BMO_ITER (f, &siter, bmop.slots_out, "faces.out", BM_FACE) {
BM_face_select_set(em->bm, f, true);
/* set face vertex normals to face normal */
BM_ITER_ELEM (l, &liter, f, BM_LOOPS_OF_FACE) {
copy_v3_v3(l->v->no, f->no);
}
}
if (!EDBM_op_finish(em, &bmop, op, true)) {
return false;
}
return true;
}
/* extrudes individual edges */
static bool edbm_extrude_edges_indiv(BMEditMesh *em, wmOperator *op, const char hflag)
{
BMesh *bm = em->bm;
BMOperator bmop;
EDBM_op_init(
em, &bmop, op,
"extrude_edge_only edges=%he use_select_history=%b",
hflag, true);
/* deselect original verts */
BM_SELECT_HISTORY_BACKUP(bm);
EDBM_flag_disable_all(em, BM_ELEM_SELECT);
BM_SELECT_HISTORY_RESTORE(bm);
BMO_op_exec(em->bm, &bmop);
BMO_slot_buffer_hflag_enable(em->bm, bmop.slots_out, "geom.out", BM_VERT | BM_EDGE, BM_ELEM_SELECT, true);
if (!EDBM_op_finish(em, &bmop, op, true)) {
return false;
}
return true;
}
/* extrudes individual vertices */
static bool edbm_extrude_verts_indiv(BMEditMesh *em, wmOperator *op, const char hflag)
{
BMOperator bmop;
EDBM_op_init(
em, &bmop, op,
"extrude_vert_indiv verts=%hv use_select_history=%b",
hflag, true);
/* deselect original verts */
BMO_slot_buffer_hflag_disable(em->bm, bmop.slots_in, "verts", BM_VERT, BM_ELEM_SELECT, true);
BMO_op_exec(em->bm, &bmop);
BMO_slot_buffer_hflag_enable(em->bm, bmop.slots_out, "verts.out", BM_VERT, BM_ELEM_SELECT, true);
if (!EDBM_op_finish(em, &bmop, op, true)) {
return false;
}
return true;
}
static char edbm_extrude_htype_from_em_select(BMEditMesh *em)
{
char htype = BM_ALL_NOLOOP;
if (em->selectmode & SCE_SELECT_VERTEX) {
/* pass */
}
else if (em->selectmode & SCE_SELECT_EDGE) {
htype &= ~BM_VERT;
}
else {
htype &= ~(BM_VERT | BM_EDGE);
}
if (em->bm->totedgesel == 0) {
htype &= ~(BM_EDGE | BM_FACE);
}
else if (em->bm->totfacesel == 0) {
htype &= ~BM_FACE;
}
return htype;
}
static bool edbm_extrude_ex(
Object *obedit, BMEditMesh *em,
char htype, const char hflag,
const bool use_mirror,
const bool use_select_history)
{
BMesh *bm = em->bm;
BMOIter siter;
BMOperator extop;
BMElem *ele;
/* needed to remove the faces left behind */
if (htype & BM_FACE) {
htype |= BM_EDGE;
}
BMO_op_init(bm, &extop, BMO_FLAG_DEFAULTS, "extrude_face_region");
BMO_slot_bool_set(extop.slots_in, "use_select_history", use_select_history);
BMO_slot_buffer_from_enabled_hflag(bm, &extop, extop.slots_in, "geom", htype, hflag);
if (use_mirror) {
BMOpSlot *slot_edges_exclude;
slot_edges_exclude = BMO_slot_get(extop.slots_in, "edges_exclude");
edbm_extrude_edge_exclude_mirror(obedit, em, hflag, &extop, slot_edges_exclude);
}
BM_SELECT_HISTORY_BACKUP(bm);
EDBM_flag_disable_all(em, BM_ELEM_SELECT);
BM_SELECT_HISTORY_RESTORE(bm);
BMO_op_exec(bm, &extop);
BMO_ITER (ele, &siter, extop.slots_out, "geom.out", BM_ALL_NOLOOP) {
BM_elem_select_set(bm, ele, true);
}
BMO_op_finish(bm, &extop);
return true;
}
static int edbm_extrude_repeat_exec(bContext *C, wmOperator *op)
{
Object *obedit = CTX_data_edit_object(C);
BMEditMesh *em = BKE_editmesh_from_object(obedit);
RegionView3D *rv3d = CTX_wm_region_view3d(C);
const int steps = RNA_int_get(op->ptr, "steps");
const float offs = RNA_float_get(op->ptr, "offset");
float dvec[3], tmat[3][3], bmat[3][3];
short a;
/* dvec */
normalize_v3_v3(dvec, rv3d->persinv[2]);
mul_v3_fl(dvec, offs);
/* base correction */
copy_m3_m4(bmat, obedit->obmat);
invert_m3_m3(tmat, bmat);
mul_m3_v3(tmat, dvec);
for (a = 0; a < steps; a++) {
edbm_extrude_ex(obedit, em, BM_ALL_NOLOOP, BM_ELEM_SELECT, false, false);
BMO_op_callf(
em->bm, BMO_FLAG_DEFAULTS,
"translate vec=%v verts=%hv",
dvec, BM_ELEM_SELECT);
}
EDBM_mesh_normals_update(em);
EDBM_update_generic(em, true, true);
return OPERATOR_FINISHED;
}
void MESH_OT_extrude_repeat(wmOperatorType *ot)
{
/* identifiers */
ot->name = "Extrude Repeat Mesh";
ot->description = "Extrude selected vertices, edges or faces repeatedly";
ot->idname = "MESH_OT_extrude_repeat";
/* api callbacks */
ot->exec = edbm_extrude_repeat_exec;
ot->poll = ED_operator_editmesh_view3d;
/* flags */
ot->flag = OPTYPE_REGISTER | OPTYPE_UNDO;
/* props */
RNA_def_float(ot->srna, "offset", 2.0f, 0.0f, FLT_MAX, "Offset", "", 0.0f, 100.0f);
RNA_def_int(ot->srna, "steps", 10, 0, INT_MAX, "Steps", "", 0, 180);
}
/* generic extern called extruder */
static bool edbm_extrude_mesh(Object *obedit, BMEditMesh *em, wmOperator *op)
{
bool changed = false;
const char htype = edbm_extrude_htype_from_em_select(em);
enum {NONE = 0, ELEM_FLAG, VERT_ONLY, EDGE_ONLY} nr;
if (em->selectmode & SCE_SELECT_VERTEX) {
if (em->bm->totvertsel == 0) nr = NONE;
else if (em->bm->totvertsel == 1) nr = VERT_ONLY;
else if (em->bm->totedgesel == 0) nr = VERT_ONLY;
else nr = ELEM_FLAG;
}
else if (em->selectmode & SCE_SELECT_EDGE) {
if (em->bm->totedgesel == 0) nr = NONE;
else if (em->bm->totfacesel == 0) nr = EDGE_ONLY;
else nr = ELEM_FLAG;
}
else {
if (em->bm->totfacesel == 0) nr = NONE;
else nr = ELEM_FLAG;
}
switch (nr) {
case NONE:
return false;
case ELEM_FLAG:
changed = edbm_extrude_ex(obedit, em, htype, BM_ELEM_SELECT, true, true);
break;
case VERT_ONLY:
changed = edbm_extrude_verts_indiv(em, op, BM_ELEM_SELECT);
break;
case EDGE_ONLY:
changed = edbm_extrude_edges_indiv(em, op, BM_ELEM_SELECT);
break;
}
if (changed) {
return true;
}
else {
BKE_report(op->reports, RPT_ERROR, "Not a valid selection for extrude");
return false;
}
}
/* extrude without transform */
static int edbm_extrude_region_exec(bContext *C, wmOperator *op)
{
Object *obedit = CTX_data_edit_object(C);
BMEditMesh *em = BKE_editmesh_from_object(obedit);
edbm_extrude_mesh(obedit, em, op);
/* This normally happens when pushing undo but modal operators
* like this one don't push undo data until after modal mode is
* done.*/
EDBM_mesh_normals_update(em);
EDBM_update_generic(em, true, true);
return OPERATOR_FINISHED;
}
void MESH_OT_extrude_region(wmOperatorType *ot)
{
/* identifiers */
ot->name = "Extrude Region";
ot->idname = "MESH_OT_extrude_region";
ot->description = "Extrude region of faces";
/* api callbacks */
//ot->invoke = mesh_extrude_region_invoke;
ot->exec = edbm_extrude_region_exec;
ot->poll = ED_operator_editmesh;
/* flags */
ot->flag = OPTYPE_REGISTER | OPTYPE_UNDO;
Transform_Properties(ot, P_NO_DEFAULTS | P_MIRROR_DUMMY);
}
static int edbm_extrude_verts_exec(bContext *C, wmOperator *op)
{
Object *obedit = CTX_data_edit_object(C);
BMEditMesh *em = BKE_editmesh_from_object(obedit);
edbm_extrude_verts_indiv(em, op, BM_ELEM_SELECT);
EDBM_update_generic(em, true, true);
return OPERATOR_FINISHED;
}
void MESH_OT_extrude_verts_indiv(wmOperatorType *ot)
{
/* identifiers */
ot->name = "Extrude Only Vertices";
ot->idname = "MESH_OT_extrude_verts_indiv";
ot->description = "Extrude individual vertices only";
/* api callbacks */
ot->exec = edbm_extrude_verts_exec;
ot->poll = ED_operator_editmesh;
/* flags */
ot->flag = OPTYPE_REGISTER | OPTYPE_UNDO;
/* to give to transform */
Transform_Properties(ot, P_NO_DEFAULTS | P_MIRROR_DUMMY);
}
static int edbm_extrude_edges_exec(bContext *C, wmOperator *op)
{
Object *obedit = CTX_data_edit_object(C);
BMEditMesh *em = BKE_editmesh_from_object(obedit);
edbm_extrude_edges_indiv(em, op, BM_ELEM_SELECT);
EDBM_update_generic(em, true, true);
return OPERATOR_FINISHED;
}
void MESH_OT_extrude_edges_indiv(wmOperatorType *ot)
{
/* identifiers */
ot->name = "Extrude Only Edges";
ot->idname = "MESH_OT_extrude_edges_indiv";
ot->description = "Extrude individual edges only";
/* api callbacks */
ot->exec = edbm_extrude_edges_exec;
ot->poll = ED_operator_editmesh;
/* flags */
ot->flag = OPTYPE_REGISTER | OPTYPE_UNDO;
/* to give to transform */
Transform_Properties(ot, P_NO_DEFAULTS | P_MIRROR_DUMMY);
}
static int edbm_extrude_faces_exec(bContext *C, wmOperator *op)
{
Object *obedit = CTX_data_edit_object(C);
BMEditMesh *em = BKE_editmesh_from_object(obedit);
edbm_extrude_discrete_faces(em, op, BM_ELEM_SELECT);
EDBM_update_generic(em, true, true);
return OPERATOR_FINISHED;
}
void MESH_OT_extrude_faces_indiv(wmOperatorType *ot)
{
/* identifiers */
ot->name = "Extrude Individual Faces";
ot->idname = "MESH_OT_extrude_faces_indiv";
ot->description = "Extrude individual faces only";
/* api callbacks */
ot->exec = edbm_extrude_faces_exec;
ot->poll = ED_operator_editmesh;
/* flags */
ot->flag = OPTYPE_REGISTER | OPTYPE_UNDO;
Transform_Properties(ot, P_NO_DEFAULTS | P_MIRROR_DUMMY);
}
/* *************** add-click-mesh (extrude) operator ************** */
static int edbm_dupli_extrude_cursor_invoke(bContext *C, wmOperator *op, const wmEvent *event)
{
ViewContext vc;
BMVert *v1;
BMIter iter;
float min[3], max[3];
bool done = false;
bool use_proj;
if (ELEM(event->click_type, KM_CLICK, KM_HOLD)) {
return OPERATOR_CANCELLED;
}
em_setup_viewcontext(C, &vc);
ED_view3d_init_mats_rv3d(vc.obedit, vc.rv3d);
use_proj = ((vc.scene->toolsettings->snap_flag & SCE_SNAP) &&
(vc.scene->toolsettings->snap_mode == SCE_SNAP_MODE_FACE));
INIT_MINMAX(min, max);
BM_ITER_MESH (v1, &iter, vc.em->bm, BM_VERTS_OF_MESH) {
if (BM_elem_flag_test(v1, BM_ELEM_SELECT)) {
minmax_v3v3_v3(min, max, v1->co);
done = true;
}
}
/* call extrude? */
if (done) {
const char extrude_htype = edbm_extrude_htype_from_em_select(vc.em);
const bool rot_src = RNA_boolean_get(op->ptr, "rotate_source");
BMEdge *eed;
float vec[3], cent[3], mat[3][3];
float nor[3] = {0.0, 0.0, 0.0};
/* 2D normal calc */
const float mval_f[2] = {(float)event->mval[0],
(float)event->mval[1]};
/* check for edges that are half selected, use for rotation */
done = false;
BM_ITER_MESH (eed, &iter, vc.em->bm, BM_EDGES_OF_MESH) {
if (BM_elem_flag_test(eed, BM_ELEM_SELECT)) {
float co1[2], co2[2];
if ((ED_view3d_project_float_object(vc.ar, eed->v1->co, co1, V3D_PROJ_TEST_NOP) == V3D_PROJ_RET_OK) &&
(ED_view3d_project_float_object(vc.ar, eed->v2->co, co2, V3D_PROJ_TEST_NOP) == V3D_PROJ_RET_OK))
{
/* 2D rotate by 90d while adding.
* (x, y) = (y, -x)
*
* accumulate the screenspace normal in 2D,
* with screenspace edge length weighting the result. */
if (line_point_side_v2(co1, co2, mval_f) >= 0.0f) {
nor[0] += (co1[1] - co2[1]);
nor[1] += -(co1[0] - co2[0]);
}
else {
nor[0] += (co2[1] - co1[1]);
nor[1] += -(co2[0] - co1[0]);
}
done = true;
}
}
}
if (done) {
float view_vec[3], cross[3];
/* convert the 2D nomal into 3D */
mul_mat3_m4_v3(vc.rv3d->viewinv, nor); /* worldspace */
mul_mat3_m4_v3(vc.obedit->imat, nor); /* local space */
/* correct the normal to be aligned on the view plane */
copy_v3_v3(view_vec, vc.rv3d->viewinv[2]);
mul_mat3_m4_v3(vc.obedit->imat, view_vec);
cross_v3_v3v3(cross, nor, view_vec);
cross_v3_v3v3(nor, view_vec, cross);
normalize_v3(nor);
}
/* center */
mid_v3_v3v3(cent, min, max);
copy_v3_v3(min, cent);
mul_m4_v3(vc.obedit->obmat, min); /* view space */
ED_view3d_win_to_3d_int(vc.ar, min, event->mval, min);
mul_m4_v3(vc.obedit->imat, min); // back in object space
sub_v3_v3(min, cent);
/* calculate rotation */
unit_m3(mat);
if (done) {
float angle;
normalize_v3_v3(vec, min);
angle = angle_normalized_v3v3(vec, nor);
if (angle != 0.0f) {
float axis[3];
cross_v3_v3v3(axis, nor, vec);
/* halve the rotation if its applied twice */
if (rot_src) {
angle *= 0.5f;
}
axis_angle_to_mat3(mat, axis, angle);
}
}
if (rot_src) {
EDBM_op_callf(vc.em, op, "rotate verts=%hv cent=%v matrix=%m3",
BM_ELEM_SELECT, cent, mat);
/* also project the source, for retopo workflow */
if (use_proj)
EMBM_project_snap_verts(C, vc.ar, vc.em);
}
edbm_extrude_ex(vc.obedit, vc.em, extrude_htype, BM_ELEM_SELECT, true, true);
EDBM_op_callf(vc.em, op, "rotate verts=%hv cent=%v matrix=%m3",
BM_ELEM_SELECT, cent, mat);
EDBM_op_callf(vc.em, op, "translate verts=%hv vec=%v",
BM_ELEM_SELECT, min);
}
else {
const float *curs = ED_view3d_cursor3d_get(vc.scene, vc.v3d);
BMOperator bmop;
BMOIter oiter;
copy_v3_v3(min, curs);
ED_view3d_win_to_3d_int(vc.ar, min, event->mval, min);
invert_m4_m4(vc.obedit->imat, vc.obedit->obmat);
mul_m4_v3(vc.obedit->imat, min); // back in object space
EDBM_op_init(vc.em, &bmop, op, "create_vert co=%v", min);
BMO_op_exec(vc.em->bm, &bmop);
BMO_ITER (v1, &oiter, bmop.slots_out, "vert.out", BM_VERT) {
BM_vert_select_set(vc.em->bm, v1, true);
}
if (!EDBM_op_finish(vc.em, &bmop, op, true)) {
return OPERATOR_CANCELLED;
}
}
if (use_proj)
EMBM_project_snap_verts(C, vc.ar, vc.em);
/* This normally happens when pushing undo but modal operators
* like this one don't push undo data until after modal mode is
* done. */
EDBM_mesh_normals_update(vc.em);
EDBM_update_generic(vc.em, true, true);
return OPERATOR_FINISHED;
}
void MESH_OT_dupli_extrude_cursor(wmOperatorType *ot)
{
/* identifiers */
ot->name = "Duplicate or Extrude to Cursor";
ot->idname = "MESH_OT_dupli_extrude_cursor";
ot->description = "Duplicate and extrude selected vertices, edges or faces towards the mouse cursor";
/* api callbacks */
ot->invoke = edbm_dupli_extrude_cursor_invoke;
ot->poll = ED_operator_editmesh;
/* flags */
ot->flag = OPTYPE_REGISTER | OPTYPE_UNDO;
RNA_def_boolean(ot->srna, "rotate_source", 1, "Rotate Source", "Rotate initial selection giving better shape");
}
static int edbm_spin_exec(bContext *C, wmOperator *op)
{
Object *obedit = CTX_data_edit_object(C);
BMEditMesh *em = BKE_editmesh_from_object(obedit);
BMesh *bm = em->bm;
BMOperator spinop;
float cent[3], axis[3];
float d[3] = {0.0f, 0.0f, 0.0f};
int steps, dupli;
float angle;
RNA_float_get_array(op->ptr, "center", cent);
RNA_float_get_array(op->ptr, "axis", axis);
steps = RNA_int_get(op->ptr, "steps");
angle = RNA_float_get(op->ptr, "angle");
//if (ts->editbutflag & B_CLOCKWISE)
angle = -angle;
dupli = RNA_boolean_get(op->ptr, "dupli");
/* keep the values in worldspace since we're passing the obmat */
if (!EDBM_op_init(em, &spinop, op,
"spin geom=%hvef cent=%v axis=%v dvec=%v steps=%i angle=%f space=%m4 use_duplicate=%b",
BM_ELEM_SELECT, cent, axis, d, steps, angle, obedit->obmat, dupli))
{
return OPERATOR_CANCELLED;
}
BMO_op_exec(bm, &spinop);
EDBM_flag_disable_all(em, BM_ELEM_SELECT);
BMO_slot_buffer_hflag_enable(bm, spinop.slots_out, "geom_last.out", BM_ALL_NOLOOP, BM_ELEM_SELECT, true);
if (!EDBM_op_finish(em, &spinop, op, true)) {
return OPERATOR_CANCELLED;
}
EDBM_update_generic(em, true, true);
return OPERATOR_FINISHED;
}
/* get center and axis, in global coords */
static int edbm_spin_invoke(bContext *C, wmOperator *op, const wmEvent *UNUSED(event))
{
Scene *scene = CTX_data_scene(C);
View3D *v3d = CTX_wm_view3d(C);
RegionView3D *rv3d = ED_view3d_context_rv3d(C);
RNA_float_set_array(op->ptr, "center", ED_view3d_cursor3d_get(scene, v3d));
RNA_float_set_array(op->ptr, "axis", rv3d->viewinv[2]);
return edbm_spin_exec(C, op);
}
void MESH_OT_spin(wmOperatorType *ot)
{
PropertyRNA *prop;
/* identifiers */
ot->name = "Spin";
ot->description = "Extrude selected vertices in a circle around the cursor in indicated viewport";
ot->idname = "MESH_OT_spin";
/* api callbacks */
ot->invoke = edbm_spin_invoke;
ot->exec = edbm_spin_exec;
ot->poll = EDBM_view3d_poll;
/* flags */
ot->flag = OPTYPE_REGISTER | OPTYPE_UNDO;
/* props */
RNA_def_int(ot->srna, "steps", 9, 0, INT_MAX, "Steps", "Steps", 0, INT_MAX);
RNA_def_boolean(ot->srna, "dupli", 0, "Dupli", "Make Duplicates");
prop = RNA_def_float(ot->srna, "angle", DEG2RADF(90.0f), -FLT_MAX, FLT_MAX, "Angle", "Angle", DEG2RADF(-360.0f), DEG2RADF(360.0f));
RNA_def_property_subtype(prop, PROP_ANGLE);
RNA_def_float_vector(ot->srna, "center", 3, NULL, -FLT_MAX, FLT_MAX, "Center", "Center in global view space", -FLT_MAX, FLT_MAX);
RNA_def_float_vector(ot->srna, "axis", 3, NULL, -FLT_MAX, FLT_MAX, "Axis", "Axis in global view space", -1.0f, 1.0f);
}
static int edbm_screw_exec(bContext *C, wmOperator *op)
{
Object *obedit = CTX_data_edit_object(C);
BMEditMesh *em = BKE_editmesh_from_object(obedit);
BMesh *bm = em->bm;
BMEdge *eed;
BMVert *eve, *v1, *v2;
BMIter iter, eiter;
BMOperator spinop;
float dvec[3], nor[3], cent[3], axis[3], v1_co_global[3], v2_co_global[3];
int steps, turns;
int valence;
turns = RNA_int_get(op->ptr, "turns");
steps = RNA_int_get(op->ptr, "steps");
RNA_float_get_array(op->ptr, "center", cent);
RNA_float_get_array(op->ptr, "axis", axis);
/* find two vertices with valence count == 1, more or less is wrong */
v1 = NULL;
v2 = NULL;
BM_ITER_MESH (eve, &iter, em->bm, BM_VERTS_OF_MESH) {
valence = 0;
BM_ITER_ELEM (eed, &eiter, eve, BM_EDGES_OF_VERT) {
if (BM_elem_flag_test(eed, BM_ELEM_SELECT)) {
valence++;
}
}
if (valence == 1) {
if (v1 == NULL) {
v1 = eve;
}
else if (v2 == NULL) {
v2 = eve;
}
else {
v1 = NULL;
break;
}
}
}
if (v1 == NULL || v2 == NULL) {
BKE_report(op->reports, RPT_ERROR, "You have to select a string of connected vertices too");
return OPERATOR_CANCELLED;
}
copy_v3_v3(nor, obedit->obmat[2]);
/* calculate dvec */
mul_v3_m4v3(v1_co_global, obedit->obmat, v1->co);
mul_v3_m4v3(v2_co_global, obedit->obmat, v2->co);
sub_v3_v3v3(dvec, v1_co_global, v2_co_global);
mul_v3_fl(dvec, 1.0f / steps);
if (dot_v3v3(nor, dvec) > 0.0f)
negate_v3(dvec);
if (!EDBM_op_init(em, &spinop, op,
"spin geom=%hvef cent=%v axis=%v dvec=%v steps=%i angle=%f space=%m4 use_duplicate=%b",
BM_ELEM_SELECT, cent, axis, dvec, turns * steps, DEG2RADF(360.0f * turns), obedit->obmat, false))
{
return OPERATOR_CANCELLED;
}
BMO_op_exec(bm, &spinop);
EDBM_flag_disable_all(em, BM_ELEM_SELECT);
BMO_slot_buffer_hflag_enable(bm, spinop.slots_out, "geom_last.out", BM_ALL_NOLOOP, BM_ELEM_SELECT, true);
if (!EDBM_op_finish(em, &spinop, op, true)) {
return OPERATOR_CANCELLED;
}
EDBM_update_generic(em, true, true);
return OPERATOR_FINISHED;
}
/* get center and axis, in global coords */
static int edbm_screw_invoke(bContext *C, wmOperator *op, const wmEvent *UNUSED(event))
{
Scene *scene = CTX_data_scene(C);
View3D *v3d = CTX_wm_view3d(C);
RegionView3D *rv3d = ED_view3d_context_rv3d(C);
RNA_float_set_array(op->ptr, "center", ED_view3d_cursor3d_get(scene, v3d));
RNA_float_set_array(op->ptr, "axis", rv3d->viewinv[1]);
return edbm_screw_exec(C, op);
}
void MESH_OT_screw(wmOperatorType *ot)
{
/* identifiers */
ot->name = "Screw";
ot->description = "Extrude selected vertices in screw-shaped rotation around the cursor in indicated viewport";
ot->idname = "MESH_OT_screw";
/* api callbacks */
ot->invoke = edbm_screw_invoke;
ot->exec = edbm_screw_exec;
ot->poll = EDBM_view3d_poll;
/* flags */
ot->flag = OPTYPE_REGISTER | OPTYPE_UNDO;
/* props */
RNA_def_int(ot->srna, "steps", 9, 1, INT_MAX, "Steps", "Steps", 3, 256);
RNA_def_int(ot->srna, "turns", 1, 1, INT_MAX, "Turns", "Turns", 1, 256);
RNA_def_float_vector(ot->srna, "center", 3, NULL, -FLT_MAX, FLT_MAX,
"Center", "Center in global view space", -FLT_MAX, FLT_MAX);
RNA_def_float_vector(ot->srna, "axis", 3, NULL, -FLT_MAX, FLT_MAX,
"Axis", "Axis in global view space", -1.0f, 1.0f);
}
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