742 lines
17 KiB
C
742 lines
17 KiB
C
/*
|
|
* ***** 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): Francisco De La Cruz
|
|
*
|
|
* ***** END GPL LICENSE BLOCK *****
|
|
*/
|
|
|
|
/** \file blender/editors/mesh/editmesh_slide.c
|
|
* \ingroup edmesh
|
|
*/
|
|
|
|
/* Takes heavily from editmesh_loopcut.c */
|
|
|
|
#include "DNA_object_types.h"
|
|
|
|
#include "MEM_guardedalloc.h"
|
|
|
|
#include "BLI_array.h"
|
|
#include "BLI_math.h"
|
|
|
|
#include "BKE_context.h"
|
|
#include "BKE_report.h"
|
|
#include "BKE_tessmesh.h"
|
|
|
|
#include "BIF_gl.h"
|
|
#include "BIF_glutil.h"
|
|
|
|
#include "ED_screen.h"
|
|
#include "ED_view3d.h"
|
|
#include "ED_mesh.h"
|
|
#include "ED_space_api.h"
|
|
|
|
#include "UI_resources.h"
|
|
|
|
#include "RNA_access.h"
|
|
#include "RNA_define.h"
|
|
|
|
#include "WM_api.h"
|
|
#include "WM_types.h"
|
|
|
|
#include "mesh_intern.h"
|
|
|
|
#define VTX_SLIDE_SNAP_THRSH 15
|
|
|
|
/* Cusom VertexSlide Operator data */
|
|
typedef struct VertexSlideOp {
|
|
/* Starting Vertex */
|
|
BMVert *start_vtx;
|
|
BMEdge *sel_edge;
|
|
|
|
ViewContext *view_context;
|
|
ARegion *active_region;
|
|
|
|
/* Draw callback handle */
|
|
void *draw_handle;
|
|
|
|
/* Active Object */
|
|
Object *obj;
|
|
|
|
/* Are we in slide mode */
|
|
int slide_mode;
|
|
int snap_n_merge;
|
|
int snap_to_end_vtx;
|
|
int snap_to_mid;
|
|
|
|
/* Snap threshold */
|
|
float snap_threshold;
|
|
|
|
float distance;
|
|
float interp[3];
|
|
|
|
/* Edge Frame Count */
|
|
int disk_edges;
|
|
|
|
/* Edges */
|
|
BMEdge** edge_frame;
|
|
|
|
/* Slide Frame Endpoints */
|
|
float (*vtx_frame)[3];
|
|
|
|
/* Mouse Click 2d pos */
|
|
int m_co[2];
|
|
|
|
} VertexSlideOp;
|
|
|
|
static void vtx_slide_draw(const bContext *C, ARegion *ar, void *arg);
|
|
static int edbm_vertex_slide_exec(bContext *C, wmOperator *op);
|
|
static void vtx_slide_exit(const bContext *C, wmOperator *op);
|
|
static int vtx_slide_set_frame(VertexSlideOp *vso);
|
|
|
|
static int vtx_slide_init(bContext *C, wmOperator *op)
|
|
{
|
|
Object *obedit = CTX_data_edit_object(C);
|
|
BMEditMesh *em = BMEdit_FromObject(obedit);
|
|
BMEditSelection *ese;
|
|
|
|
/* Custom data */
|
|
VertexSlideOp *vso;
|
|
|
|
const char *header_str = "Vertex Slide: Hover over an edge and left-click to select slide edge. "
|
|
"Left-Shift: Midpoint Snap, Left-Alt: Snap, Left-Ctrl: Snap&Merge";
|
|
|
|
if (!obedit) {
|
|
BKE_report(op->reports, RPT_ERROR, "Vertex Slide Error: Not object in context");
|
|
return FALSE;
|
|
}
|
|
|
|
EDBM_selectmode_flush(em);
|
|
ese = em->bm->selected.last;
|
|
|
|
/* Is there a starting vertex ? */
|
|
if (ese == NULL || (ese->htype != BM_VERT && ese->htype != BM_EDGE)) {
|
|
BKE_report(op->reports, RPT_ERROR_INVALID_INPUT, "Vertex Slide Error: Select a (single) vertex");
|
|
return FALSE;
|
|
}
|
|
|
|
vso = MEM_callocN(sizeof(VertexSlideOp), "Vertex Slide Operator");
|
|
vso->view_context = MEM_callocN(sizeof(ViewContext), "Vertex Slide View Context");
|
|
|
|
op->customdata = vso;
|
|
|
|
/* Set the start vertex */
|
|
vso->start_vtx = (BMVert *)ese->ele;
|
|
|
|
vso->sel_edge = NULL;
|
|
|
|
/* Edges */
|
|
vso->edge_frame = NULL;
|
|
|
|
vso->vtx_frame = NULL;
|
|
|
|
vso->disk_edges = 0;
|
|
|
|
vso->slide_mode = FALSE;
|
|
|
|
vso->snap_n_merge = FALSE;
|
|
|
|
vso->snap_to_end_vtx = FALSE;
|
|
|
|
vso->snap_to_mid = FALSE;
|
|
|
|
vso->distance = 0.0f;
|
|
|
|
vso->snap_threshold = 0.2f;
|
|
|
|
/* Notify the viewport */
|
|
view3d_operator_needs_opengl(C);
|
|
|
|
/* Set the drawing region */
|
|
vso->active_region = CTX_wm_region(C);
|
|
|
|
/* Set the draw callback */
|
|
vso->draw_handle = ED_region_draw_cb_activate(vso->active_region->type, vtx_slide_draw, vso, REGION_DRAW_POST_VIEW);
|
|
|
|
ED_area_headerprint(CTX_wm_area(C), header_str);
|
|
|
|
em_setup_viewcontext(C, vso->view_context);
|
|
|
|
/* Set the object */
|
|
vso->obj = obedit;
|
|
|
|
/* Init frame */
|
|
if (!vtx_slide_set_frame(vso)) {
|
|
BKE_report(op->reports, RPT_ERROR_INVALID_INPUT, "Vertex Slide: Can't find starting vertex!");
|
|
vtx_slide_exit(C, op);
|
|
return FALSE;
|
|
}
|
|
|
|
/* Add handler for the vertex sliding */
|
|
WM_event_add_modal_handler(C, op);
|
|
|
|
/* Tag for redraw */
|
|
ED_region_tag_redraw(vso->active_region);
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
static void vtx_slide_confirm(bContext *C, wmOperator *op)
|
|
{
|
|
VertexSlideOp *vso = op->customdata;
|
|
BMEditMesh *em = BMEdit_FromObject(vso->obj);
|
|
BMesh* bm = em->bm;
|
|
|
|
/* Select new edge */
|
|
BM_edge_select_set(bm, vso->sel_edge, TRUE);
|
|
|
|
/* Invoke operator */
|
|
edbm_vertex_slide_exec(C, op);
|
|
|
|
if (vso->snap_n_merge) {
|
|
float other_d;
|
|
BMVert* other = BM_edge_other_vert(vso->sel_edge, vso->start_vtx);
|
|
other_d = len_v3v3(vso->interp, other->co);
|
|
|
|
/* Only snap if within threshold */
|
|
if (other_d < vso->snap_threshold) {
|
|
BM_vert_select_set(bm, other, TRUE);
|
|
BM_vert_select_set(bm, vso->start_vtx, TRUE);
|
|
EDBM_op_callf(em, op, "pointmerge verts=%hv mergeco=%v", BM_ELEM_SELECT, other->co);
|
|
EDBM_flag_disable_all(em, BM_ELEM_SELECT);
|
|
}
|
|
else {
|
|
/* Store in historty if not merging */
|
|
EDBM_editselection_store(em, &vso->start_vtx->head);
|
|
}
|
|
}
|
|
else {
|
|
/* Store edit selection of the active vertex, allows other
|
|
* ops to run without reselecting */
|
|
EDBM_editselection_store(em, &vso->start_vtx->head);
|
|
}
|
|
|
|
EDBM_selectmode_flush(em);
|
|
|
|
/* NC_GEOM | ND_DATA & Retess */
|
|
EDBM_update_generic(C, em, TRUE);
|
|
|
|
ED_region_tag_redraw(vso->active_region);
|
|
}
|
|
|
|
static void vtx_slide_exit(const bContext *C, wmOperator *op)
|
|
{
|
|
/* Fetch custom data */
|
|
VertexSlideOp *vso = op->customdata;
|
|
|
|
/* Clean-up the custom data */
|
|
ED_region_draw_cb_exit(vso->active_region->type, vso->draw_handle);
|
|
|
|
/* Free Custom Data
|
|
*
|
|
*/
|
|
MEM_freeN(vso->view_context);
|
|
|
|
vso->view_context = NULL;
|
|
|
|
if (vso->edge_frame) {
|
|
MEM_freeN(vso->edge_frame);
|
|
}
|
|
|
|
if (vso->vtx_frame) {
|
|
MEM_freeN(vso->vtx_frame);
|
|
}
|
|
|
|
vso->edge_frame = NULL;
|
|
|
|
vso->vtx_frame = NULL;
|
|
|
|
vso->slide_mode = FALSE;
|
|
|
|
MEM_freeN(vso);
|
|
vso = NULL;
|
|
op->customdata = NULL;
|
|
|
|
/* Clear the header */
|
|
ED_area_headerprint(CTX_wm_area(C), NULL);
|
|
}
|
|
|
|
static void vtx_slide_draw(const bContext *C, ARegion *UNUSED(ar), void *arg)
|
|
{
|
|
VertexSlideOp *vso = arg;
|
|
|
|
/* Have an edge to draw */
|
|
if (vso && vso->sel_edge) {
|
|
/* Get 3d view */
|
|
View3D *view3d = CTX_wm_view3d(C);
|
|
const float outline_w = UI_GetThemeValuef(TH_OUTLINE_WIDTH) + 0.8f;
|
|
const float pt_size = UI_GetThemeValuef(TH_FACEDOT_SIZE) + 1.5;
|
|
|
|
int i = 0;
|
|
|
|
if (view3d && view3d->zbuf)
|
|
glDisable(GL_DEPTH_TEST);
|
|
|
|
glPushAttrib(GL_CURRENT_BIT | GL_LINE_BIT | GL_POINT_BIT);
|
|
|
|
glPushMatrix();
|
|
glMultMatrixf(vso->obj->obmat);
|
|
|
|
glEnable(GL_BLEND);
|
|
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
|
|
|
|
|
|
if (vso->slide_mode && vso->disk_edges > 0) {
|
|
/* Draw intermediate edge frame */
|
|
UI_ThemeColorShadeAlpha(TH_EDGE_SELECT, 50, -50);
|
|
|
|
for (i = 0; i < vso->disk_edges; i++) {
|
|
glBegin(GL_LINES);
|
|
glVertex3fv(vso->vtx_frame[i]);
|
|
glVertex3fv(vso->interp);
|
|
glEnd();
|
|
}
|
|
}
|
|
|
|
/* Draw selected edge
|
|
* Add color offset and reduce alpha */
|
|
UI_ThemeColorShadeAlpha(TH_EDGE_SELECT, 40, -50);
|
|
|
|
glLineWidth(outline_w);
|
|
|
|
glBegin(GL_LINES);
|
|
bglVertex3fv(vso->sel_edge->v1->co);
|
|
bglVertex3fv(vso->sel_edge->v2->co);
|
|
glEnd();
|
|
|
|
if (vso->slide_mode) {
|
|
/* Draw interpolated vertex */
|
|
|
|
UI_ThemeColorShadeAlpha(TH_FACE_DOT, -80, -50);
|
|
|
|
glPointSize(pt_size);
|
|
|
|
bglBegin(GL_POINTS);
|
|
bglVertex3fv(vso->interp);
|
|
bglEnd();
|
|
}
|
|
|
|
glDisable(GL_BLEND);
|
|
glPopMatrix();
|
|
glPopAttrib();
|
|
|
|
if (view3d && view3d->zbuf)
|
|
glEnable(GL_DEPTH_TEST);
|
|
}
|
|
}
|
|
|
|
static BMEdge* vtx_slide_nrst_in_frame(VertexSlideOp *vso, const float mval[2])
|
|
{
|
|
BMEdge* cl_edge = NULL;
|
|
if (vso->disk_edges > 0) {
|
|
int i = 0;
|
|
BMEdge* edge = NULL;
|
|
|
|
float v1_proj[3], v2_proj[3];
|
|
float dist = 0;
|
|
float min_dist = FLT_MAX;
|
|
|
|
for (i = 0; i < vso->disk_edges; i++) {
|
|
edge = vso->edge_frame[i];
|
|
|
|
mul_v3_m4v3(v1_proj, vso->obj->obmat, edge->v1->co);
|
|
project_float_noclip(vso->active_region, v1_proj, v1_proj);
|
|
|
|
mul_v3_m4v3(v2_proj, vso->obj->obmat, edge->v2->co);
|
|
project_float_noclip(vso->active_region, v2_proj, v2_proj);
|
|
|
|
dist = dist_to_line_segment_v2(mval, v1_proj, v2_proj);
|
|
if (dist < min_dist) {
|
|
min_dist = dist;
|
|
cl_edge = edge;
|
|
}
|
|
}
|
|
}
|
|
return cl_edge;
|
|
}
|
|
|
|
static void vtx_slide_find_edge(VertexSlideOp *vso, wmEvent *event)
|
|
{
|
|
/* Nearest edge */
|
|
BMEdge *nst_edge = NULL;
|
|
|
|
const float mval_float[] = { (float)event->mval[0], (float)event->mval[1]};
|
|
|
|
/* Set mouse coords */
|
|
copy_v2_v2_int(vso->view_context->mval, event->mval);
|
|
|
|
/* Find nearest edge */
|
|
nst_edge = vtx_slide_nrst_in_frame(vso, mval_float);
|
|
|
|
if (nst_edge) {
|
|
/* Find a connected edge */
|
|
if (BM_vert_in_edge(nst_edge, vso->start_vtx)) {
|
|
|
|
/* Save mouse coords */
|
|
copy_v2_v2_int(vso->m_co, event->mval);
|
|
|
|
/* Set edge */
|
|
vso->sel_edge = nst_edge;
|
|
}
|
|
}
|
|
}
|
|
|
|
/* Updates the status of the operator - Invoked on mouse movement */
|
|
static void vtx_slide_update(VertexSlideOp *vso, wmEvent *event)
|
|
{
|
|
BMEdge *edge;
|
|
|
|
/* Find nearest edge */
|
|
edge = vso->sel_edge;
|
|
|
|
if (edge) {
|
|
float edge_other_proj[3];
|
|
float start_vtx_proj[3];
|
|
float edge_len;
|
|
BMVert *other;
|
|
|
|
float interp[3];
|
|
|
|
/* Calculate interpolation value for preview */
|
|
float t_val;
|
|
|
|
float mval_float[] = { (float)event->mval[0], (float)event->mval[1]};
|
|
float closest_2d[2];
|
|
|
|
other = BM_edge_other_vert(edge, vso->start_vtx);
|
|
|
|
/* Project points onto screen and do interpolation in 2D */
|
|
mul_v3_m4v3(start_vtx_proj, vso->obj->obmat, vso->start_vtx->co);
|
|
project_float_noclip(vso->active_region, start_vtx_proj, start_vtx_proj);
|
|
|
|
mul_v3_m4v3(edge_other_proj, vso->obj->obmat, other->co);
|
|
project_float_noclip(vso->active_region, edge_other_proj, edge_other_proj);
|
|
|
|
closest_to_line_v2(closest_2d, mval_float, start_vtx_proj, edge_other_proj);
|
|
|
|
t_val = line_point_factor_v2(closest_2d, start_vtx_proj, edge_other_proj);
|
|
|
|
/* Set snap threshold to be proportional to edge length */
|
|
edge_len = len_v3v3(start_vtx_proj, edge_other_proj);
|
|
|
|
if (edge_len <= 0.0f)
|
|
edge_len = VTX_SLIDE_SNAP_THRSH;
|
|
|
|
edge_len = (len_v3v3(edge->v1->co, edge->v2->co) * VTX_SLIDE_SNAP_THRSH) / edge_len;
|
|
|
|
vso->snap_threshold = edge_len;
|
|
|
|
/* Snap to mid */
|
|
if (vso->snap_to_mid) {
|
|
t_val = 0.5f;
|
|
}
|
|
|
|
/* Interpolate preview vertex 3D */
|
|
interp_v3_v3v3(interp, vso->start_vtx->co, other->co, t_val);
|
|
copy_v3_v3(vso->interp, interp);
|
|
|
|
vso->distance = t_val;
|
|
|
|
/* If snapping */
|
|
if (vso->snap_to_end_vtx) {
|
|
int start_at_v1 = edge->v1 == vso->start_vtx;
|
|
float v1_d = len_v3v3(vso->interp, edge->v1->co);
|
|
float v2_d = len_v3v3(vso->interp, edge->v2->co);
|
|
|
|
if (v1_d > v2_d && v2_d < vso->snap_threshold) {
|
|
copy_v3_v3(vso->interp, edge->v2->co);
|
|
|
|
if (start_at_v1)
|
|
vso->distance = 1.0f;
|
|
else
|
|
vso->distance = 0.0f;
|
|
}
|
|
if (v2_d > v1_d && v1_d < vso->snap_threshold) {
|
|
copy_v3_v3(vso->interp, edge->v1->co);
|
|
if (start_at_v1)
|
|
vso->distance = 0.0f;
|
|
else
|
|
vso->distance = 1.0f;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
/* Sets the outline frame */
|
|
static int vtx_slide_set_frame(VertexSlideOp *vso)
|
|
{
|
|
BMEdge *edge;
|
|
float (*vtx_frame)[3] = NULL;
|
|
BMEdge** edge_frame = NULL;
|
|
BMVert *curr_vert = NULL;
|
|
BLI_array_declare(vtx_frame);
|
|
BLI_array_declare(edge_frame);
|
|
BMIter iter;
|
|
BMEditMesh *em = BMEdit_FromObject(vso->obj);
|
|
BMesh *bm = em->bm;
|
|
BMVert *sel_vtx = vso->start_vtx;
|
|
int idx = 0;
|
|
|
|
vso->disk_edges = 0;
|
|
|
|
if (vso->edge_frame) {
|
|
MEM_freeN(vso->edge_frame);
|
|
vso->edge_frame = NULL;
|
|
}
|
|
|
|
if (vso->vtx_frame) {
|
|
MEM_freeN(vso->vtx_frame);
|
|
vso->vtx_frame = NULL;
|
|
}
|
|
|
|
/* Iterate over edges of vertex and copy them */
|
|
BM_ITER_INDEX(edge, &iter, bm, BM_EDGES_OF_VERT, sel_vtx, idx)
|
|
{
|
|
curr_vert = BM_edge_other_vert(edge, sel_vtx);
|
|
if (curr_vert) {
|
|
BLI_array_growone(vtx_frame);
|
|
|
|
copy_v3_v3(vtx_frame[idx], curr_vert->co);
|
|
|
|
BLI_array_append(edge_frame, edge);
|
|
vso->disk_edges++;
|
|
}
|
|
}
|
|
|
|
vso->edge_frame = edge_frame;
|
|
vso->vtx_frame = vtx_frame;
|
|
|
|
/* Set the interp at starting vtx */
|
|
copy_v3_v3(vso->interp, sel_vtx->co);
|
|
|
|
return vso->disk_edges > 0;
|
|
}
|
|
|
|
static int edbm_vertex_slide_modal(bContext *C, wmOperator *op, wmEvent *event)
|
|
{
|
|
VertexSlideOp *vso = op->customdata;
|
|
char buff[128];
|
|
|
|
if (!vso)
|
|
return OPERATOR_CANCELLED;
|
|
|
|
/* Notify the viewport */
|
|
view3d_operator_needs_opengl(C);
|
|
|
|
switch (event->type) {
|
|
case LEFTSHIFTKEY:
|
|
{
|
|
switch (event->val) {
|
|
case KM_PRESS:
|
|
vso->snap_to_mid = TRUE;
|
|
break;
|
|
case KM_RELEASE:
|
|
vso->snap_to_mid = FALSE;
|
|
break;
|
|
}
|
|
|
|
break;
|
|
}
|
|
case LEFTCTRLKEY:
|
|
{
|
|
switch (event->val) {
|
|
case KM_PRESS:
|
|
vso->snap_n_merge = TRUE;
|
|
vso->snap_to_end_vtx = TRUE;
|
|
break;
|
|
case KM_RELEASE:
|
|
vso->snap_n_merge = FALSE;
|
|
vso->snap_to_end_vtx = FALSE;
|
|
break;
|
|
}
|
|
|
|
break;
|
|
}
|
|
case LEFTALTKEY:
|
|
{
|
|
switch (event->val) {
|
|
case KM_PRESS:
|
|
vso->snap_to_end_vtx = TRUE;
|
|
break;
|
|
case KM_RELEASE:
|
|
vso->snap_to_end_vtx = FALSE;
|
|
break;
|
|
}
|
|
|
|
break;
|
|
}
|
|
case RIGHTMOUSE:
|
|
{
|
|
/* Enforce redraw */
|
|
ED_region_tag_redraw(vso->active_region);
|
|
|
|
/* Clean-up */
|
|
vtx_slide_exit(C, op);
|
|
|
|
return OPERATOR_CANCELLED;
|
|
}
|
|
case LEFTMOUSE:
|
|
{
|
|
if (event->val == KM_PRESS) {
|
|
/* Update mouse coords */
|
|
copy_v2_v2_int(vso->m_co, event->mval);
|
|
|
|
if (vso->slide_mode) {
|
|
vtx_slide_confirm(C, op);
|
|
/* Clean-up */
|
|
vtx_slide_exit(C, op);
|
|
return OPERATOR_FINISHED;
|
|
}
|
|
else if (vso->sel_edge) {
|
|
vso->slide_mode = TRUE;
|
|
}
|
|
}
|
|
|
|
ED_region_tag_redraw(vso->active_region);
|
|
break;
|
|
|
|
}
|
|
case MOUSEMOVE:
|
|
{
|
|
sprintf(buff, "Vertex Slide: %f", vso->distance);
|
|
if (!vso->slide_mode) {
|
|
vtx_slide_find_edge(vso, event);
|
|
}
|
|
else {
|
|
vtx_slide_update(vso, event);
|
|
}
|
|
ED_area_headerprint(CTX_wm_area(C), buff);
|
|
ED_region_tag_redraw(vso->active_region);
|
|
break;
|
|
}
|
|
}
|
|
|
|
return OPERATOR_RUNNING_MODAL;
|
|
}
|
|
|
|
static int edbm_vertex_slide_cancel(bContext *C, wmOperator *op)
|
|
{
|
|
/* Exit the modal */
|
|
vtx_slide_exit(C, op);
|
|
|
|
return OPERATOR_CANCELLED;
|
|
}
|
|
|
|
static int edbm_vertex_slide_invoke(bContext *C, wmOperator *op, wmEvent *UNUSED(event))
|
|
{
|
|
/* Initialize the operator */
|
|
if (vtx_slide_init(C, op))
|
|
return OPERATOR_RUNNING_MODAL;
|
|
else
|
|
return OPERATOR_CANCELLED;
|
|
}
|
|
|
|
/* Vertex Slide */
|
|
static int edbm_vertex_slide_exec(bContext *C, wmOperator *op)
|
|
{
|
|
Object *obedit = CTX_data_edit_object(C);
|
|
BMEditMesh *em = BMEdit_FromObject(obedit);
|
|
BMesh *bm = em->bm;
|
|
BMVert *start_vert;
|
|
BMOperator bmop;
|
|
BMEditSelection *ese = (BMEditSelection *)em->bm->selected.last;
|
|
|
|
float distance_t = 0.0f;
|
|
|
|
/* Invoked modally? */
|
|
if (op->type->modal == edbm_vertex_slide_modal && op->customdata) {
|
|
VertexSlideOp *vso = (VertexSlideOp *)op->customdata;
|
|
|
|
if (bm->totedgesel > 1) {
|
|
/* Reset selections */
|
|
EDBM_flag_disable_all(em, BM_ELEM_SELECT);
|
|
BM_edge_select_set(bm, vso->sel_edge, TRUE);
|
|
BM_vert_select_set(bm, vso->start_vtx, TRUE);
|
|
|
|
EDBM_editselection_store(em, &vso->sel_edge->head);
|
|
EDBM_editselection_store(em, &vso->start_vtx->head);
|
|
ese = (BMEditSelection *)em->bm->selected.last;
|
|
}
|
|
distance_t = vso->distance;
|
|
RNA_float_set(op->ptr, "distance_t", distance_t);
|
|
}
|
|
else {
|
|
/* Get Properties */
|
|
distance_t = RNA_float_get(op->ptr, "distance_t");
|
|
}
|
|
|
|
/* Is there a starting vertex ? */
|
|
if ((ese == NULL) || (ese->htype != BM_VERT && ese->htype != BM_EDGE)) {
|
|
BKE_report(op->reports, RPT_ERROR_INVALID_INPUT, "Vertex Slide Error: Select a (single) vertex");
|
|
return OPERATOR_CANCELLED;
|
|
}
|
|
|
|
start_vert = (BMVert *)ese->ele;
|
|
|
|
/* Prepare operator */
|
|
if (!EDBM_op_init(em, &bmop, op, "vertex_slide vert=%e edge=%hev distance_t=%f", start_vert, BM_ELEM_SELECT, distance_t)) {
|
|
return OPERATOR_CANCELLED;
|
|
}
|
|
/* Execute operator */
|
|
BMO_op_exec(bm, &bmop);
|
|
|
|
/* Deselect the input edges */
|
|
BMO_slot_buffer_hflag_disable(bm, &bmop, "edge", BM_ALL, BM_ELEM_SELECT, TRUE);
|
|
|
|
/* Select the output vert */
|
|
BMO_slot_buffer_hflag_enable(bm, &bmop, "vertout", BM_ALL, BM_ELEM_SELECT, TRUE);
|
|
|
|
/* Flush the select buffers */
|
|
EDBM_selectmode_flush(em);
|
|
|
|
if (!EDBM_op_finish(em, &bmop, op, TRUE)) {
|
|
return OPERATOR_CANCELLED;
|
|
}
|
|
|
|
/* Update Geometry */
|
|
EDBM_update_generic(C, em, TRUE);
|
|
|
|
return OPERATOR_FINISHED;
|
|
}
|
|
|
|
void MESH_OT_vert_slide(wmOperatorType *ot)
|
|
{
|
|
PropertyRNA *prop;
|
|
|
|
/* identifiers */
|
|
ot->name = "Vertex Slide";
|
|
ot->idname = "MESH_OT_vert_slide";
|
|
ot->description = "Vertex slide";
|
|
|
|
/* api callback */
|
|
ot->invoke = edbm_vertex_slide_invoke;
|
|
ot->modal = edbm_vertex_slide_modal;
|
|
ot->cancel = edbm_vertex_slide_cancel;
|
|
ot->poll = ED_operator_editmesh_region_view3d;
|
|
|
|
/* ot->exec = edbm_vertex_slide_exec;
|
|
* ot->poll = ED_operator_editmesh; */
|
|
|
|
/* flags */
|
|
ot->flag = OPTYPE_REGISTER | OPTYPE_UNDO;
|
|
|
|
/* Properties for vertex slide */
|
|
prop = RNA_def_float(ot->srna, "distance_t", 0.0f, -FLT_MAX, FLT_MAX, "Distance", "Distance", -5.0f, 5.0f);
|
|
RNA_def_property_ui_range(prop, -5.0f, 5.0f, 0.1, 4);
|
|
RNA_def_property_flag(prop, PROP_SKIP_SAVE);
|
|
}
|