Commit: 1dd1d286c67ef1948bd717a8c52e9667cf3382b1
Author: Campbell Barton
Date: Thu Mar 19 04:40:43 2015 +1100
Branches: master
https://developer.blender.org/rB1dd1d286c67ef1948bd717a8c52e9667cf3382b1
Select nth option to skip steps
Patch T43752 @codemanx, added matching curve option.
===================================================================
M source/blender/editors/curve/editcurve.c
M source/blender/editors/include/ED_curve.h
M source/blender/editors/mesh/editmesh_select.c
===================================================================
diff --git a/source/blender/editors/curve/editcurve.c
b/source/blender/editors/curve/editcurve.c
index 936a40b..cbbee2f 100644
--- a/source/blender/editors/curve/editcurve.c
+++ b/source/blender/editors/curve/editcurve.c
@@ -6142,7 +6142,7 @@ void CURVE_OT_select_random(wmOperatorType *ot)
/********************* every nth number of point *******************/
-static void select_nth_bezt(Nurb *nu, BezTriple *bezt, int nth)
+static void select_nth_bezt(Nurb *nu, BezTriple *bezt, int nth, int skip, int
offset)
{
int a, start;
@@ -6151,7 +6151,8 @@ static void select_nth_bezt(Nurb *nu, BezTriple *bezt,
int nth)
bezt = &nu->bezt[a - 1];
while (a--) {
- if (abs(start - a) % nth) {
+ const int depth = abs(start - a);
+ if ((offset + depth) % (skip + nth) >= skip) {
select_beztriple(bezt, DESELECT, SELECT, HIDDEN);
}
@@ -6159,10 +6160,10 @@ static void select_nth_bezt(Nurb *nu, BezTriple *bezt,
int nth)
}
}
-static void select_nth_bp(Nurb *nu, BPoint *bp, int nth)
+static void select_nth_bp(Nurb *nu, BPoint *bp, int nth, int skip, int offset)
{
int a, startrow, startpnt;
- int dist, row, pnt;
+ int row, pnt;
startrow = (bp - nu->bp) / nu->pntsu;
startpnt = (bp - nu->bp) % nu->pntsu;
@@ -6173,8 +6174,8 @@ static void select_nth_bp(Nurb *nu, BPoint *bp, int nth)
pnt = nu->pntsu - 1;
while (a--) {
- dist = abs(pnt - startpnt) + abs(row - startrow);
- if (dist % nth) {
+ const int depth = abs(pnt - startpnt) + abs(row - startrow);
+ if ((offset + depth) % (skip + nth) >= skip) {
select_bpoint(bp, DESELECT, SELECT, HIDDEN);
}
@@ -6188,7 +6189,7 @@ static void select_nth_bp(Nurb *nu, BPoint *bp, int nth)
}
}
-bool ED_curve_select_nth(Curve *cu, int nth)
+bool ED_curve_select_nth(Curve *cu, int nth, int skip, int offset)
{
Nurb *nu = NULL;
void *vert = NULL;
@@ -6197,10 +6198,10 @@ bool ED_curve_select_nth(Curve *cu, int nth)
return false;
if (nu->bezt) {
- select_nth_bezt(nu, vert, nth);
+ select_nth_bezt(nu, vert, nth, skip, offset);
}
else {
- select_nth_bp(nu, vert, nth);
+ select_nth_bp(nu, vert, nth, skip, offset);
}
return true;
@@ -6209,9 +6210,14 @@ bool ED_curve_select_nth(Curve *cu, int nth)
static int select_nth_exec(bContext *C, wmOperator *op)
{
Object *obedit = CTX_data_edit_object(C);
- int nth = RNA_int_get(op->ptr, "nth");
+ const int nth = RNA_int_get(op->ptr, "nth") - 1;
+ const int skip = RNA_int_get(op->ptr, "skip");
+ int offset = RNA_int_get(op->ptr, "offset");
- if (!ED_curve_select_nth(obedit->data, nth)) {
+ /* so input of offset zero ends up being (nth - 1) */
+ offset = mod_i(offset, nth + skip);
+
+ if (!ED_curve_select_nth(obedit->data, nth, skip, offset)) {
if (obedit->type == OB_SURF) {
BKE_report(op->reports, RPT_ERROR, "Surface has not got
active point");
}
@@ -6242,6 +6248,8 @@ void CURVE_OT_select_nth(wmOperatorType *ot)
ot->flag = OPTYPE_REGISTER | OPTYPE_UNDO;
RNA_def_int(ot->srna, "nth", 2, 2, INT_MAX, "Nth Selection", "", 2,
100);
+ RNA_def_int(ot->srna, "skip", 1, 1, INT_MAX, "Skip", "", 1, 100);
+ RNA_def_int(ot->srna, "offset", 0, INT_MIN, INT_MAX, "Offset", "",
-100, 100);
}
/********************** add duplicate operator *********************/
diff --git a/source/blender/editors/include/ED_curve.h
b/source/blender/editors/include/ED_curve.h
index 27e9cad..982e17c 100644
--- a/source/blender/editors/include/ED_curve.h
+++ b/source/blender/editors/include/ED_curve.h
@@ -79,7 +79,7 @@ void free_editText(struct Object *obedit);
void ED_text_to_object(struct bContext *C, struct Text *text, const bool
split_lines);
-bool ED_curve_select_nth(struct Curve *cu, int nth);
+bool ED_curve_select_nth(struct Curve *cu, int nth, int skip, int offset);
void ED_curve_beztcpy(struct EditNurb *editnurb, struct BezTriple *dst, struct
BezTriple *src, int count);
void ED_curve_bpcpy(struct EditNurb *editnurb, struct BPoint *dst, struct
BPoint *src, int count);
diff --git a/source/blender/editors/mesh/editmesh_select.c
b/source/blender/editors/mesh/editmesh_select.c
index d3073d5..c020243 100644
--- a/source/blender/editors/mesh/editmesh_select.c
+++ b/source/blender/editors/mesh/editmesh_select.c
@@ -2552,7 +2552,7 @@ static bool bm_edge_is_select_isolated(BMEdge *e)
/* Walk all reachable elements of the same type as h_act in breadth-first
* order, starting from h_act. Deselects elements if the depth when they
* are reached is not a multiple of "nth". */
-static void walker_deselect_nth(BMEditMesh *em, int nth, int offset, BMHeader
*h_act)
+static void walker_deselect_nth(BMEditMesh *em, int nth, int skip, int offset,
BMHeader *h_act)
{
BMElem *ele;
BMesh *bm = em->bm;
@@ -2618,7 +2618,8 @@ static void walker_deselect_nth(BMEditMesh *em, int nth,
int offset, BMHeader *h
for (ele = BMW_begin(&walker, h_act); ele != NULL; ele =
BMW_step(&walker)) {
if (!BM_elem_flag_test(ele, BM_ELEM_TAG)) {
/* Deselect elements that aren't at "nth" depth from
active */
- if ((offset + BMW_current_depth(&walker)) % nth) {
+ const int depth = BMW_current_depth(&walker) - 1;
+ if ((offset + depth) % (skip + nth) >= skip) {
BM_elem_select_set(bm, ele, false);
}
BM_elem_flag_enable(ele, BM_ELEM_TAG);
@@ -2685,7 +2686,7 @@ static void deselect_nth_active(BMEditMesh *em, BMVert
**r_eve, BMEdge **r_eed,
}
}
-static bool edbm_deselect_nth(BMEditMesh *em, int nth, int offset)
+static bool edbm_deselect_nth(BMEditMesh *em, int nth, int skip, int offset)
{
BMVert *v;
BMEdge *e;
@@ -2694,15 +2695,15 @@ static bool edbm_deselect_nth(BMEditMesh *em, int nth,
int offset)
deselect_nth_active(em, &v, &e, &f);
if (v) {
- walker_deselect_nth(em, nth, offset, &v->head);
+ walker_deselect_nth(em, nth, skip, offset, &v->head);
return true;
}
else if (e) {
- walker_deselect_nth(em, nth, offset, &e->head);
+ walker_deselect_nth(em, nth, skip, offset, &e->head);
return true;
}
else if (f) {
- walker_deselect_nth(em, nth, offset, &f->head);
+ walker_deselect_nth(em, nth, skip, offset, &f->head);
return true;
}
@@ -2713,15 +2714,14 @@ static int edbm_select_nth_exec(bContext *C, wmOperator
*op)
{
Object *obedit = CTX_data_edit_object(C);
BMEditMesh *em = BKE_editmesh_from_object(obedit);
- const int nth = RNA_int_get(op->ptr, "nth");
+ const int nth = RNA_int_get(op->ptr, "nth") - 1;
+ const int skip = RNA_int_get(op->ptr, "skip");
int offset = RNA_int_get(op->ptr, "offset");
/* so input of offset zero ends up being (nth - 1) */
- offset = mod_i(offset, nth);
- /* depth starts at 1, this keeps active item selected */
- offset -= 1;
+ offset = mod_i(offset, nth + skip);
- if (edbm_deselect_nth(em, nth, offset) == false) {
+ if (edbm_deselect_nth(em, nth, skip, offset) == false) {
BKE_report(op->reports, RPT_ERROR, "Mesh has no active
vert/edge/face");
return OPERATOR_CANCELLED;
}
@@ -2747,6 +2747,7 @@ void MESH_OT_select_nth(wmOperatorType *ot)
ot->flag = OPTYPE_REGISTER | OPTYPE_UNDO;
RNA_def_int(ot->srna, "nth", 2, 2, INT_MAX, "Nth Selection", "", 2,
100);
+ RNA_def_int(ot->srna, "skip", 1, 1, INT_MAX, "Skip", "", 1, 100);
RNA_def_int(ot->srna, "offset", 0, INT_MIN, INT_MAX, "Offset", "",
-100, 100);
}
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