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Mesh Tool: removes degenerate edges, faces and face ears.

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This commit is contained in:
Campbell Barton
2014-02-17 11:32:35 +11:00
parent 20da9353b8
commit cc7cfd6617
7 changed files with 221 additions and 6 deletions
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55
source/blender/editors/mesh/editmesh_tools.c
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@@ -313,6 +313,12 @@ void EMBM_project_snap_verts(bContext *C, ARegion *ar, BMEditMesh *em)
}
}
static void edbm_report_delete_info(ReportList *reports, BMesh *bm, const int totelem[3])
{
BKE_reportf(reports, RPT_INFO,
"Removed: %d vertices, %d edges, %d faces",
totelem[0] - bm->totvert, totelem[1] - bm->totedge, totelem[2] - bm->totface);
}
/* Note, these values must match delete_mesh() event values */
static EnumPropertyItem prop_mesh_delete_types[] = {
@@ -453,9 +459,7 @@ static int edbm_delete_loose_exec(bContext *C, wmOperator *op)
EDBM_update_generic(em, true, true);
BKE_reportf(op->reports, RPT_INFO,
"Removed: %d vertices, %d edges, %d faces",
totelem[0] - bm->totvert, totelem[1] - bm->totedge, totelem[2] - bm->totface);
edbm_report_delete_info(op->reports, bm, totelem);
return OPERATOR_FINISHED;
}
@@ -3676,6 +3680,51 @@ void MESH_OT_dissolve_limited(wmOperatorType *ot)
"Delimit dissolve operation");
}
static int edbm_dissolve_degenerate_exec(bContext *C, wmOperator *op)
{
Object *obedit = CTX_data_edit_object(C);
BMEditMesh *em = BKE_editmesh_from_object(obedit);
const float thresh = RNA_float_get(op->ptr, "threshold");
BMesh *bm = em->bm;
const int totelem[3] = {bm->totvert, bm->totedge, bm->totface};
if (!EDBM_op_callf(
em, op,
"dissolve_degenerate edges=%he dist=%f",
BM_ELEM_SELECT, thresh))
{
return OPERATOR_CANCELLED;
}
/* tricky to maintain correct selection here, so just flush up from verts */
EDBM_select_flush(em);
EDBM_update_generic(em, true, true);
edbm_report_delete_info(op->reports, bm, totelem);
return OPERATOR_FINISHED;
}
void MESH_OT_dissolve_degenerate(wmOperatorType *ot)
{
/* identifiers */
ot->name = "Degenerate Dissolve";
ot->idname = "MESH_OT_dissolve_degenerate";
ot->description = "Dissolve zero area faces and zero length edges";
/* api callbacks */
ot->exec = edbm_dissolve_degenerate_exec;
ot->poll = ED_operator_editmesh;
/* flags */
ot->flag = OPTYPE_REGISTER | OPTYPE_UNDO;
RNA_def_float(ot->srna, "threshold", 0.0001f, 0.000001f, 50.0f, "Merge Distance",
"Minimum distance between elements to merge", 0.00001, 10.0);
}
/* internally uses dissolve */
static int edbm_delete_edgeloop_exec(bContext *C, wmOperator *op)
{