Commit: c456cd94b23af53b53ac13219ea488ed6e7eb5c2
Author: Campbell Barton
Date: Sat Dec 14 02:32:48 2013 +1100
http://developer.blender.org/rBc456cd94b23af53b53ac13219ea488ed6e7eb5c2
Curve Handle Recalculate (Ctrl+N)
T37799 Patch from Simon Repp
with added option to recalculate handle lengths.
===================================================================
M release/scripts/startup/bl_ui/space_view3d.py
M release/scripts/startup/bl_ui/space_view3d_toolbar.py
M source/blender/blenkernel/BKE_curve.h
M source/blender/blenkernel/intern/curve.c
M source/blender/editors/curve/curve_intern.h
M source/blender/editors/curve/curve_ops.c
M source/blender/editors/curve/editcurve.c
===================================================================
diff --git a/release/scripts/startup/bl_ui/space_view3d.py
b/release/scripts/startup/bl_ui/space_view3d.py
index 8174ef3..0461a45 100644
--- a/release/scripts/startup/bl_ui/space_view3d.py
+++ b/release/scripts/startup/bl_ui/space_view3d.py
@@ -2356,6 +2356,7 @@ class VIEW3D_MT_edit_curve_ctrlpoints(Menu):
layout.separator()
layout.operator_menu_enum("curve.handle_type_set", "type")
+ layout.operator("curve.normals_make_consistent")
layout.separator()
diff --git a/release/scripts/startup/bl_ui/space_view3d_toolbar.py
b/release/scripts/startup/bl_ui/space_view3d_toolbar.py
index 5a750b7..d3d1f62 100644
--- a/release/scripts/startup/bl_ui/space_view3d_toolbar.py
+++ b/release/scripts/startup/bl_ui/space_view3d_toolbar.py
@@ -292,6 +292,9 @@ class VIEW3D_PT_tools_curveedit(View3DPanel, Panel):
row.operator("curve.handle_type_set", text="Free").type = 'FREE_ALIGN'
col = layout.column(align=True)
+ col.operator("curve.normals_make_consistent")
+
+ col = layout.column(align=True)
col.label(text="Modeling:")
col.operator("curve.extrude_move", text="Extrude")
col.operator("curve.subdivide")
diff --git a/source/blender/blenkernel/BKE_curve.h
b/source/blender/blenkernel/BKE_curve.h
index 8b21070..90e2bcd 100644
--- a/source/blender/blenkernel/BKE_curve.h
+++ b/source/blender/blenkernel/BKE_curve.h
@@ -113,6 +113,7 @@ int BKE_nurbList_verts_count_without_handles(struct
ListBase *nurb);
void BKE_nurbList_free(struct ListBase *lb);
void BKE_nurbList_duplicate(struct ListBase *lb1, struct ListBase *lb2);
void BKE_nurbList_handles_set(struct ListBase *editnurb, short code);
+void BKE_nurbList_handles_recalculate(struct ListBase *editnurb, const bool
calc_length, const char flag);
void BKE_nurbList_handles_autocalc(ListBase *editnurb, int flag);
void BKE_nurbList_flag_set(ListBase *editnurb, short flag);
diff --git a/source/blender/blenkernel/intern/curve.c
b/source/blender/blenkernel/intern/curve.c
index 969db19..a254993 100644
--- a/source/blender/blenkernel/intern/curve.c
+++ b/source/blender/blenkernel/intern/curve.c
@@ -3393,6 +3393,72 @@ void BKE_nurbList_handles_set(ListBase *editnurb, short
code)
}
}
+void BKE_nurbList_handles_recalculate(ListBase *editnurb, const bool
calc_length, const char flag)
+{
+ Nurb *nu;
+ BezTriple *bezt;
+ int a;
+
+ for (nu = editnurb->first; nu; nu = nu->next) {
+ if (nu->type == CU_BEZIER) {
+ bool changed = false;
+
+ for (a = nu->pntsu, bezt = nu->bezt; a--; bezt++) {
+
+ const bool h1_select = (bezt->f1 & flag) ==
flag;
+ const bool h2_select = (bezt->f3 & flag) ==
flag;
+
+ if (h1_select || h2_select) {
+
+ /* Override handle types to HD_AUTO and
recalculate */
+
+ char h1_back, h2_back;
+ float co1_back[3], co2_back[3];
+
+ h1_back = bezt->h1;
+ h2_back = bezt->h2;
+
+ bezt->h1 = HD_AUTO;
+ bezt->h2 = HD_AUTO;
+
+ copy_v3_v3(co1_back, bezt->vec[0]);
+ copy_v3_v3(co2_back, bezt->vec[2]);
+
+ BKE_nurb_handle_calc_simple(nu, bezt);
+
+ bezt->h1 = h1_back;
+ bezt->h2 = h2_back;
+
+ if (h1_select) {
+ if (!calc_length) {
+
dist_ensure_v3_v3fl(bezt->vec[0], bezt->vec[1], len_v3v3(co1_back,
bezt->vec[1]));
+ }
+ }
+ else {
+ copy_v3_v3(bezt->vec[0],
co1_back);
+ }
+
+ if (h2_select) {
+ if (!calc_length) {
+
dist_ensure_v3_v3fl(bezt->vec[2], bezt->vec[1], len_v3v3(co2_back,
bezt->vec[1]));
+ }
+ }
+ else {
+ copy_v3_v3(bezt->vec[2],
co2_back);
+ }
+
+ changed = true;
+ }
+ }
+
+ if (changed) {
+ /* Recalculate the whole curve */
+ BKE_nurb_handles_calc(nu);
+ }
+ }
+ }
+}
+
void BKE_nurbList_flag_set(ListBase *editnurb, short flag)
{
Nurb *nu;
diff --git a/source/blender/editors/curve/curve_intern.h
b/source/blender/editors/curve/curve_intern.h
index 3ee83c2..ecadb57 100644
--- a/source/blender/editors/curve/curve_intern.h
+++ b/source/blender/editors/curve/curve_intern.h
@@ -88,6 +88,7 @@ void CURVE_OT_spline_type_set(struct wmOperatorType *ot);
void CURVE_OT_radius_set(struct wmOperatorType *ot);
void CURVE_OT_spline_weight_set(struct wmOperatorType *ot);
void CURVE_OT_handle_type_set(struct wmOperatorType *ot);
+void CURVE_OT_normals_make_consistent(struct wmOperatorType *ot);
void CURVE_OT_shade_smooth(struct wmOperatorType *ot);
void CURVE_OT_shade_flat(struct wmOperatorType *ot);
void CURVE_OT_tilt_clear(struct wmOperatorType *ot);
diff --git a/source/blender/editors/curve/curve_ops.c
b/source/blender/editors/curve/curve_ops.c
index e978b81..c2fe879 100644
--- a/source/blender/editors/curve/curve_ops.c
+++ b/source/blender/editors/curve/curve_ops.c
@@ -95,6 +95,7 @@ void ED_operatortypes_curve(void)
WM_operatortype_append(CURVE_OT_radius_set);
WM_operatortype_append(CURVE_OT_spline_weight_set);
WM_operatortype_append(CURVE_OT_handle_type_set);
+ WM_operatortype_append(CURVE_OT_normals_make_consistent);
WM_operatortype_append(CURVE_OT_shade_smooth);
WM_operatortype_append(CURVE_OT_shade_flat);
WM_operatortype_append(CURVE_OT_tilt_clear);
@@ -266,6 +267,8 @@ void ED_keymap_curve(wmKeyConfig *keyconf)
kmi = WM_keymap_add_item(keymap, "CURVE_OT_hide", HKEY, KM_PRESS,
KM_SHIFT, 0);
RNA_boolean_set(kmi->ptr, "unselected", TRUE);
+ WM_keymap_add_item(keymap, "CURVE_OT_normals_make_consistent", NKEY,
KM_PRESS, KM_CTRL, 0);
+
WM_keymap_add_item(keymap, "OBJECT_OT_vertex_parent_set", PKEY,
KM_PRESS, KM_CTRL, 0);
WM_keymap_add_menu(keymap, "VIEW3D_MT_edit_curve_specials", WKEY,
KM_PRESS, 0, 0);
diff --git a/source/blender/editors/curve/editcurve.c
b/source/blender/editors/curve/editcurve.c
index caa06eb..e6ea74b 100644
--- a/source/blender/editors/curve/editcurve.c
+++ b/source/blender/editors/curve/editcurve.c
@@ -3676,6 +3676,40 @@ void CURVE_OT_handle_type_set(wmOperatorType *ot)
ot->prop = RNA_def_enum(ot->srna, "type", editcurve_handle_type_items,
1, "Type", "Spline type");
}
+/***************** recalculate handles operator **********************/
+
+static int curve_normals_make_consistent_exec(bContext *C, wmOperator *op)
+{
+ Object *obedit = CTX_data_edit_object(C);
+ ListBase *editnurb = object_editcurve_get(obedit);
+ const bool calc_length = RNA_boolean_get(op->ptr, "calc_length");
+
+ BKE_nurbList_handles_recalculate(editnurb, calc_length, SELECT);
+
+ WM_event_add_notifier(C, NC_GEOM | ND_DATA, obedit->data);
+ DAG_id_tag_update(obedit->data, 0);
+
+ return OPERATOR_FINISHED;
+}
+
+void CURVE_OT_normals_make_consistent(wmOperatorType *ot)
+{
+ /* identifiers */
+ ot->name = "Recalc Normals";
+ ot->description = "Recalculate the direction of selected handles";
+ ot->idname = "CURVE_OT_normals_make_consistent";
+
+ /* api callbacks */
+ ot->exec = curve_normals_make_consistent_exec;
+ ot->poll = ED_operator_editcurve;
+
+ /* flags */
+ ot->flag = OPTYPE_REGISTER | OPTYPE_UNDO;
+
+ /* props */
+ RNA_def_boolean(ot->srna, "calc_length", false, "Length", "Recalculate
handle length");
+}
+
/***************** make segment operator **********************/
/* ******************** SKINNING LOFTING!!! ******************** */
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