static int knifeproject_exec(bContext *C, wmOperator *op)
{
ARegion *ar = CTX_wm_region(C);
Scene *scene = CTX_data_scene(C);
Object *obedit = CTX_data_edit_object(C);
BMEditMesh *em = BKE_editmesh_from_object(obedit);
const bool cut_through = RNA_boolean_get(op->ptr, "cut_through");
LinkNode *polys = NULL;
CTX_DATA_BEGIN (C, Object *, ob, selected_objects)
{
if (ob != obedit) {
polys = knifeproject_poly_from_object(ar, scene, ob, polys);
}
}
CTX_DATA_END;
if (polys) {
EDBM_mesh_knife(C, polys, true, cut_through);
/* select only tagged faces */
BM_mesh_elem_hflag_disable_all(em->bm, BM_VERT | BM_EDGE | BM_FACE, BM_ELEM_SELECT, false);
/* not essential, but switch out of vertex mode since the
* selected regions wont be nicely isolated after flushing.
* note: call after de-select to avoid selection flushing */
EDBM_selectmode_disable(scene, em, SCE_SELECT_VERTEX, SCE_SELECT_EDGE);
BM_mesh_elem_hflag_enable_test(em->bm, BM_FACE, BM_ELEM_SELECT, true, false, BM_ELEM_TAG);
BM_mesh_select_mode_flush(em->bm);
BLI_linklist_freeN(polys);
return OPERATOR_FINISHED;
}
else {
BKE_report(op->reports, RPT_ERROR, "No other selected objects found to use for projection");
return OPERATOR_CANCELLED;
}
}
void ED_object_enter_editmode(bContext *C, int flag)
{
Scene *scene= CTX_data_scene(C);
Base *base= NULL;
Object *ob;
ScrArea *sa= CTX_wm_area(C);
View3D *v3d= NULL;
int ok= 0;
if (scene->id.lib) return;
if (sa && sa->spacetype==SPACE_VIEW3D)
v3d= sa->spacedata.first;
if ((flag & EM_IGNORE_LAYER)==0) {
base= CTX_data_active_base(C); /* active layer checked here for view3d */
if (base==NULL) return;
else if (v3d && (base->lay & v3d->lay)==0) return;
else if (!v3d && (base->lay & scene->lay)==0) return;
}
else {
base= scene->basact;
}
if (ELEM3(NULL, base, base->object, base->object->data)) return;
ob = base->object;
if (object_data_is_libdata(ob)) {
error_libdata();
return;
}
if (flag & EM_WAITCURSOR) waitcursor(1);
ob->restore_mode = ob->mode;
/* note, when switching scenes the object can have editmode data but
* not be scene->obedit: bug 22954, this avoids calling self eternally */
if ((ob->restore_mode & OB_MODE_EDIT)==0)
ED_object_toggle_modes(C, ob->mode);
ob->mode= OB_MODE_EDIT;
if (ob->type==OB_MESH) {
BMEditMesh *em;
ok= 1;
scene->obedit = ob; /* context sees this */
EDBM_mesh_make(CTX_data_tool_settings(C), scene, ob);
em = BMEdit_FromObject(ob);
if (LIKELY(em)) {
/* order doesn't matter */
EDBM_mesh_normals_update(em);
BMEdit_RecalcTessellation(em);
BM_mesh_select_mode_flush(em->bm);
}
WM_event_add_notifier(C, NC_SCENE|ND_MODE|NS_EDITMODE_MESH, scene);
}
else if (ob->type==OB_ARMATURE) {
bArmature *arm= base->object->data;
if (!arm) return;
/*
* The function object_data_is_libdata make a problem here, the
* check for ob->proxy return 0 and let blender enter to edit mode
* this causes a crash when you try leave the edit mode.
* The problem is that i can't remove the ob->proxy check from
* object_data_is_libdata that prevent the bugfix #6614, so
* i add this little hack here.
*/
if (arm->id.lib) {
error_libdata();
return;
}
ok=1;
scene->obedit= ob;
ED_armature_to_edit(ob);
/* to ensure all goes in restposition and without striding */
DAG_id_tag_update(&ob->id, OB_RECALC_OB|OB_RECALC_DATA|OB_RECALC_TIME); // XXX: should this be OB_RECALC_DATA?
WM_event_add_notifier(C, NC_SCENE|ND_MODE|NS_EDITMODE_ARMATURE, scene);
}
else if (ob->type==OB_FONT) {
scene->obedit= ob; // XXX for context
ok= 1;
make_editText(ob);
WM_event_add_notifier(C, NC_SCENE|ND_MODE|NS_EDITMODE_TEXT, scene);
}
else if (ob->type==OB_MBALL) {
scene->obedit= ob; // XXX for context
ok= 1;
make_editMball(ob);
WM_event_add_notifier(C, NC_SCENE|ND_MODE|NS_EDITMODE_MBALL, scene);
}
else if (ob->type==OB_LATTICE) {
scene->obedit= ob; // XXX for context
ok= 1;
make_editLatt(ob);
WM_event_add_notifier(C, NC_SCENE|ND_MODE|NS_EDITMODE_LATTICE, scene);
}
else if (ob->type==OB_SURF || ob->type==OB_CURVE) {
ok= 1;
scene->obedit= ob; // XXX for context
make_editNurb(ob);
WM_event_add_notifier(C, NC_SCENE|ND_MODE|NS_EDITMODE_CURVE, scene);
}
if (ok) {
DAG_id_tag_update(&ob->id, OB_RECALC_DATA);
}
else {
scene->obedit= NULL; // XXX for context
ob->mode &= ~OB_MODE_EDIT;
WM_event_add_notifier(C, NC_SCENE|ND_MODE|NS_MODE_OBJECT, scene);
}
if (flag & EM_DO_UNDO) ED_undo_push(C, "Enter Editmode");
if (flag & EM_WAITCURSOR) waitcursor(0);
}
