move editcurve add functions into their own source file editcurve_add.c

1 files changed, 792 insertions, 0 deletions

diff --git a/source/blender/editors/curve/editcurve_add.c b/source/blender/editors/curve/editcurve_add.c
new file mode 100644
index 00000000000..9dcc51337ad
--- /dev/null
+++ b/source/blender/editors/curve/editcurve_add.c
@@ -0,0 +1,792 @@
+/*
+ * ***** 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.
+ *
+ * The Original Code is Copyright (C) 2001-2002 by NaN Holding BV.
+ * All rights reserved.
+ *
+ * The Original Code is: all of this file.
+ *
+ * Contributor(s): none yet.
+ *
+ * ***** END GPL LICENSE BLOCK *****
+ */
+
+/** \file blender/editors/curve/editcurve_add.c
+ *  \ingroup edcurve
+ */
+
+#include "DNA_object_types.h"
+#include "DNA_scene_types.h"
+#include "DNA_anim_types.h"
+
+#include "MEM_guardedalloc.h"
+
+#include "BLI_blenlib.h"
+#include "BLI_math.h"
+
+#include "BLF_translation.h"
+
+#include "BKE_context.h"
+#include "BKE_curve.h"
+#include "BKE_depsgraph.h"
+#include "BKE_library.h"
+
+#include "WM_api.h"
+#include "WM_types.h"
+
+#include "ED_object.h"
+#include "ED_screen.h"
+#include "ED_util.h"
+#include "ED_view3d.h"
+#include "ED_curve.h"
+
+#include "curve_intern.h"
+
+static float nurbcircle[8][2] = {
+	{0.0, -1.0}, {-1.0, -1.0}, {-1.0, 0.0}, {-1.0,  1.0},
+	{0.0,  1.0}, { 1.0,  1.0}, { 1.0, 0.0}, { 1.0, -1.0}
+};
+
+/************ add primitive, used by object/ module ****************/
+
+static const char *get_curve_defname(int type)
+{
+	int stype = type & CU_PRIMITIVE;
+
+	if ((type & CU_TYPE) == CU_BEZIER) {
+		switch (stype) {
+			case CU_PRIM_CURVE: return CTX_DATA_(BLF_I18NCONTEXT_ID_CURVE, "BezierCurve");
+			case CU_PRIM_CIRCLE: return CTX_DATA_(BLF_I18NCONTEXT_ID_CURVE, "BezierCircle");
+			case CU_PRIM_PATH: return CTX_DATA_(BLF_I18NCONTEXT_ID_CURVE, "CurvePath");
+			default:
+				return CTX_DATA_(BLF_I18NCONTEXT_ID_CURVE, "Curve");
+		}
+	}
+	else {
+		switch (stype) {
+			case CU_PRIM_CURVE: return CTX_DATA_(BLF_I18NCONTEXT_ID_CURVE, "NurbsCurve");
+			case CU_PRIM_CIRCLE: return CTX_DATA_(BLF_I18NCONTEXT_ID_CURVE, "NurbsCircle");
+			case CU_PRIM_PATH: return CTX_DATA_(BLF_I18NCONTEXT_ID_CURVE, "NurbsPath");
+			default:
+				return CTX_DATA_(BLF_I18NCONTEXT_ID_CURVE, "Curve");
+		}
+	}
+}
+
+static const char *get_surf_defname(int type)
+{
+	int stype = type & CU_PRIMITIVE;
+
+	switch (stype) {
+		case CU_PRIM_CURVE: return CTX_DATA_(BLF_I18NCONTEXT_ID_CURVE, "SurfCurve");
+		case CU_PRIM_CIRCLE: return CTX_DATA_(BLF_I18NCONTEXT_ID_CURVE, "SurfCircle");
+		case CU_PRIM_PATCH: return CTX_DATA_(BLF_I18NCONTEXT_ID_CURVE, "SurfPatch");
+		case CU_PRIM_SPHERE: return CTX_DATA_(BLF_I18NCONTEXT_ID_CURVE, "SurfSphere");
+		case CU_PRIM_DONUT: return CTX_DATA_(BLF_I18NCONTEXT_ID_CURVE, "SurfTorus");
+		default:
+			return CTX_DATA_(BLF_I18NCONTEXT_ID_CURVE, "Surface");
+	}
+}
+
+
+Nurb *add_nurbs_primitive(bContext *C, Object *obedit, float mat[4][4], int type, int newob)
+{
+	static int xzproj = 0;   /* this function calls itself... */
+	ListBase *editnurb = object_editcurve_get(obedit);
+	View3D *v3d = CTX_wm_view3d(C);
+	RegionView3D *rv3d = ED_view3d_context_rv3d(C);
+	Nurb *nu = NULL;
+	BezTriple *bezt;
+	BPoint *bp;
+	Curve *cu = (Curve *)obedit->data;
+	float vec[3], zvec[3] = {0.0f, 0.0f, 1.0f};
+	float umat[4][4] = MAT4_UNITY, viewmat[4][4] = MAT4_UNITY;
+	float fac;
+	int a, b;
+	const float grid = v3d ? v3d->grid : 1.0f;
+	const int cutype = (type & CU_TYPE); // poly, bezier, nurbs, etc
+	const int stype = (type & CU_PRIMITIVE);
+	const int force_3d = ((Curve *)obedit->data)->flag & CU_3D; /* could be adding to an existing 3D curve */
+
+	if (rv3d) {
+		copy_m4_m4(viewmat, rv3d->viewmat);
+		copy_v3_v3(zvec, rv3d->viewinv[2]);
+	}
+
+	BKE_nurbList_flag_set(editnurb, 0);
+
+	/* these types call this function to return a Nurb */
+	if (stype != CU_PRIM_TUBE && stype != CU_PRIM_DONUT) {
+		nu = (Nurb *)MEM_callocN(sizeof(Nurb), "addNurbprim");
+		nu->type = cutype;
+		nu->resolu = cu->resolu;
+		nu->resolv = cu->resolv;
+	}
+
+	switch (stype) {
+		case CU_PRIM_CURVE: /* curve */
+			nu->resolu = cu->resolu;
+			if (cutype == CU_BEZIER) {
+				if (!force_3d) nu->flag |= CU_2D;
+				nu->pntsu = 2;
+				nu->bezt = (BezTriple *)MEM_callocN(2 * sizeof(BezTriple), "addNurbprim1");
+				bezt = nu->bezt;
+				bezt->h1 = bezt->h2 = HD_ALIGN;
+				bezt->f1 = bezt->f2 = bezt->f3 = SELECT;
+				bezt->radius = 1.0;
+
+				bezt->vec[1][0] += -grid;
+				bezt->vec[0][0] += -1.5f * grid;
+				bezt->vec[0][1] += -0.5f * grid;
+				bezt->vec[2][0] += -0.5f * grid;
+				bezt->vec[2][1] +=  0.5f * grid;
+				for (a = 0; a < 3; a++) mul_m4_v3(mat, bezt->vec[a]);
+
+				bezt++;
+				bezt->h1 = bezt->h2 = HD_ALIGN;
+				bezt->f1 = bezt->f2 = bezt->f3 = SELECT;
+				bezt->radius = bezt->weight = 1.0;
+
+				bezt->vec[0][0] = 0;
+				bezt->vec[0][1] = 0;
+				bezt->vec[1][0] = grid;
+				bezt->vec[1][1] = 0;
+				bezt->vec[2][0] = grid * 2;
+				bezt->vec[2][1] = 0;
+				for (a = 0; a < 3; a++) mul_m4_v3(mat, bezt->vec[a]);
+
+				BKE_nurb_handles_calc(nu);
+			}
+			else {
+
+				nu->pntsu = 4;
+				nu->pntsv = 1;
+				nu->orderu = 4;
+				nu->bp = (BPoint *)MEM_callocN(sizeof(BPoint) * 4, "addNurbprim3");
+
+				bp = nu->bp;
+				for (a = 0; a < 4; a++, bp++) {
+					bp->vec[3] = 1.0;
+					bp->f1 = SELECT;
+					bp->radius = bp->weight = 1.0;
+				}
+
+				bp = nu->bp;
+				bp->vec[0] += -1.5f * grid;
+				bp++;
+				bp->vec[0] += -grid;
+				bp->vec[1] +=  grid;
+				bp++;
+				bp->vec[0] += grid;
+				bp->vec[1] += grid;
+				bp++;
+				bp->vec[0] += 1.5f * grid;
+
+				bp = nu->bp;
+				for (a = 0; a < 4; a++, bp++) mul_m4_v3(mat, bp->vec);
+
+				if (cutype == CU_NURBS) {
+					nu->knotsu = NULL; /* nurbs_knot_calc_u allocates */
+					BKE_nurb_knot_calc_u(nu);
+				}
+
+			}
+			break;
+		case CU_PRIM_PATH: /* 5 point path */
+			nu->pntsu = 5;
+			nu->pntsv = 1;
+			nu->orderu = 5;
+			nu->flagu = CU_NURB_ENDPOINT; /* endpoint */
+			nu->resolu = cu->resolu;
+			nu->bp = (BPoint *)MEM_callocN(sizeof(BPoint) * 5, "addNurbprim3");
+
+			bp = nu->bp;
+			for (a = 0; a < 5; a++, bp++) {
+				bp->vec[3] = 1.0;
+				bp->f1 = SELECT;
+				bp->radius = bp->weight = 1.0;
+			}
+
+			bp = nu->bp;
+			bp->vec[0] += -2.0f * grid;
+			bp++;
+			bp->vec[0] += -grid;
+			bp++; bp++;
+			bp->vec[0] += grid;
+			bp++;
+			bp->vec[0] += 2.0f * grid;
+
+			bp = nu->bp;
+			for (a = 0; a < 5; a++, bp++) mul_m4_v3(mat, bp->vec);
+
+			if (cutype == CU_NURBS) {
+				nu->knotsu = NULL; /* nurbs_knot_calc_u allocates */
+				BKE_nurb_knot_calc_u(nu);
+			}
+
+			break;
+		case CU_PRIM_CIRCLE: /* circle */
+			nu->resolu = cu->resolu;
+
+			if (cutype == CU_BEZIER) {
+				if (!force_3d) nu->flag |= CU_2D;
+				nu->pntsu = 4;
+				nu->bezt = (BezTriple *)MEM_callocN(sizeof(BezTriple) * 4, "addNurbprim1");
+				nu->flagu = CU_NURB_CYCLIC;
+				bezt = nu->bezt;
+
+				bezt->h1 = bezt->h2 = HD_AUTO;
+				bezt->f1 = bezt->f2 = bezt->f3 = SELECT;
+				bezt->vec[1][0] += -grid;
+				for (a = 0; a < 3; a++) mul_m4_v3(mat, bezt->vec[a]);
+				bezt->radius = bezt->weight = 1.0;
+
+				bezt++;
+				bezt->h1 = bezt->h2 = HD_AUTO;
+				bezt->f1 = bezt->f2 = bezt->f3 = SELECT;
+				bezt->vec[1][1] += grid;
+				for (a = 0; a < 3; a++) mul_m4_v3(mat, bezt->vec[a]);
+				bezt->radius = bezt->weight = 1.0;
+
+				bezt++;
+				bezt->h1 = bezt->h2 = HD_AUTO;
+				bezt->f1 = bezt->f2 = bezt->f3 = SELECT;
+				bezt->vec[1][0] += grid;
+				for (a = 0; a < 3; a++) mul_m4_v3(mat, bezt->vec[a]);
+				bezt->radius = bezt->weight = 1.0;
+
+				bezt++;
+				bezt->h1 = bezt->h2 = HD_AUTO;
+				bezt->f1 = bezt->f2 = bezt->f3 = SELECT;
+				bezt->vec[1][1] += -grid;
+				for (a = 0; a < 3; a++) mul_m4_v3(mat, bezt->vec[a]);
+				bezt->radius = bezt->weight = 1.0;
+
+				BKE_nurb_handles_calc(nu);
+			}
+			else if (cutype == CU_NURBS) { /* nurb */
+				nu->pntsu = 8;
+				nu->pntsv = 1;
+				nu->orderu = 4;
+				nu->bp = (BPoint *)MEM_callocN(sizeof(BPoint) * 8, "addNurbprim6");
+				nu->flagu = CU_NURB_CYCLIC;
+				bp = nu->bp;
+
+				for (a = 0; a < 8; a++) {
+					bp->f1 = SELECT;
+					if (xzproj == 0) {
+						bp->vec[0] += nurbcircle[a][0] * grid;
+						bp->vec[1] += nurbcircle[a][1] * grid;
+					}
+					else {
+						bp->vec[0] += 0.25f * nurbcircle[a][0] * grid - 0.75f * grid;
+						bp->vec[2] += 0.25f * nurbcircle[a][1] * grid;
+					}
+					if (a & 1) bp->vec[3] = 0.25 * M_SQRT2;
+					else bp->vec[3] = 1.0;
+					mul_m4_v3(mat, bp->vec);
+					bp->radius = bp->weight = 1.0;
+
+					bp++;
+				}
+
+				BKE_nurb_knot_calc_u(nu);
+			}
+			break;
+		case CU_PRIM_PATCH: /* 4x4 patch */
+			if (cutype == CU_NURBS) { /* nurb */
+
+				nu->pntsu = 4;
+				nu->pntsv = 4;
+				nu->orderu = 4;
+				nu->orderv = 4;
+				nu->flag = CU_SMOOTH;
+				nu->bp = (BPoint *)MEM_callocN(sizeof(BPoint) * (4 * 4), "addNurbprim6");
+				nu->flagu = 0;
+				nu->flagv = 0;
+				bp = nu->bp;
+
+				for (a = 0; a < 4; a++) {
+					for (b = 0; b < 4; b++) {
+						bp->f1 = SELECT;
+						fac = (float)a - 1.5f;
+						bp->vec[0] += fac * grid;
+						fac = (float)b - 1.5f;
+						bp->vec[1] += fac * grid;
+						if ((a == 1 || a == 2) && (b == 1 || b == 2)) {
+							bp->vec[2] += grid;
+						}
+						mul_m4_v3(mat, bp->vec);
+						bp->vec[3] = 1.0;
+						bp++;
+					}
+				}
+
+				BKE_nurb_knot_calc_u(nu);
+				BKE_nurb_knot_calc_v(nu);
+			}
+			break;
+		case CU_PRIM_TUBE: /* Cylinder */
+			if (cutype == CU_NURBS) {
+				nu = add_nurbs_primitive(C, obedit, mat, CU_NURBS | CU_PRIM_CIRCLE, 0); /* circle */
+				nu->resolu = cu->resolu;
+				nu->flag = CU_SMOOTH;
+				BLI_addtail(editnurb, nu); /* temporal for extrude and translate */
+				vec[0] = vec[1] = 0.0;
+				vec[2] = -grid;
+
+				mul_mat3_m4_v3(mat, vec);
+
+				ed_editnurb_translate_flag(editnurb, 1, vec);
+				ed_editnurb_extrude_flag(cu->editnurb, 1);
+				mul_v3_fl(vec, -2.0f);
+				ed_editnurb_translate_flag(editnurb, 1, vec);
+
+				BLI_remlink(editnurb, nu);
+
+				a = nu->pntsu * nu->pntsv;
+				bp = nu->bp;
+				while (a-- > 0) {
+					bp->f1 |= SELECT;
+					bp++;
+				}
+			}
+			break;
+		case CU_PRIM_SPHERE: /* sphere */
+			if (cutype == CU_NURBS) {
+				float tmp_cent[3] = {0.f, 0.f, 0.f};
+				float tmp_vec[3] = {0.f, 0.f, 1.f};
+
+				nu->pntsu = 5;
+				nu->pntsv = 1;
+				nu->orderu = 3;
+				nu->resolu = cu->resolu;
+				nu->resolv = cu->resolv;
+				nu->flag = CU_SMOOTH;
+				nu->bp = (BPoint *)MEM_callocN(sizeof(BPoint) * 5, "addNurbprim6");
+				nu->flagu = 0;
+				bp = nu->bp;
+
+				for (a = 0; a < 5; a++) {
+					bp->f1 = SELECT;
+					bp->vec[0] += nurbcircle[a][0] * grid;
+					bp->vec[2] += nurbcircle[a][1] * grid;
+					if (a & 1) bp->vec[3] = 0.5 * M_SQRT2;
+					else bp->vec[3] = 1.0;
+					mul_m4_v3(mat, bp->vec);
+					bp++;
+				}
+				nu->flagu = CU_NURB_BEZIER;
+				BKE_nurb_knot_calc_u(nu);
+
+				BLI_addtail(editnurb, nu); /* temporal for spin */
+
+				if (newob && (U.flag & USER_ADD_VIEWALIGNED) == 0)
+					ed_editnurb_spin(umat, obedit, tmp_vec, tmp_cent);
+				else if ((U.flag & USER_ADD_VIEWALIGNED))
+					ed_editnurb_spin(viewmat, obedit, zvec, mat[3]);
+				else
+					ed_editnurb_spin(umat, obedit, tmp_vec, mat[3]);
+
+				BKE_nurb_knot_calc_v(nu);
+
+				a = nu->pntsu * nu->pntsv;
+				bp = nu->bp;
+				while (a-- > 0) {
+					bp->f1 |= SELECT;
+					bp++;
+				}
+				BLI_remlink(editnurb, nu);
+			}
+			break;
+		case CU_PRIM_DONUT: /* torus */
+			if (cutype == CU_NURBS) {
+				float tmp_cent[3] = {0.f, 0.f, 0.f};
+				float tmp_vec[3] = {0.f, 0.f, 1.f};
+
+				xzproj = 1;
+				nu = add_nurbs_primitive(C, obedit, mat, CU_NURBS | CU_PRIM_CIRCLE, 0); /* circle */
+				xzproj = 0;
+				nu->resolu = cu->resolu;
+				nu->resolv = cu->resolv;
+				nu->flag = CU_SMOOTH;
+				BLI_addtail(editnurb, nu); /* temporal for spin */
+
+				/* same as above */
+				if (newob && (U.flag & USER_ADD_VIEWALIGNED) == 0)
+					ed_editnurb_spin(umat, obedit, tmp_vec, tmp_cent);
+				else if ((U.flag & USER_ADD_VIEWALIGNED))
+					ed_editnurb_spin(viewmat, obedit, zvec, mat[3]);
+				else
+					ed_editnurb_spin(umat, obedit, tmp_vec, mat[3]);
+
+
+				BLI_remlink(editnurb, nu);
+
+				a = nu->pntsu * nu->pntsv;
+				bp = nu->bp;
+				while (a-- > 0) {
+					bp->f1 |= SELECT;
+					bp++;
+				}
+
+			}
+			break;
+
+		default: /* should never happen */
+			BLI_assert(!"invalid nurbs type");
+			return NULL;
+	}
+
+	BLI_assert(nu != NULL);
+
+	if (nu) { /* should always be set */
+		nu->flag |= CU_SMOOTH;
+
+		BKE_nurb_test2D(nu);
+	}
+
+	return nu;
+}
+
+static int curvesurf_prim_add(bContext *C, wmOperator *op, int type, int isSurf)
+{
+	Object *obedit = CTX_data_edit_object(C);
+	ListBase *editnurb;
+	Nurb *nu;
+	bool newob = false;
+	bool enter_editmode, is_view_aligned;
+	unsigned int layer;
+	float loc[3], rot[3];
+	float mat[4][4];
+
+	if (!ED_object_add_generic_get_opts(C, op, loc, rot, &enter_editmode, &layer, &is_view_aligned))
+		return OPERATOR_CANCELLED;
+
+	if (!isSurf) { /* adding curve */
+		if (obedit == NULL || obedit->type != OB_CURVE) {
+			Curve *cu;
+
+			obedit = ED_object_add_type(C, OB_CURVE, loc, rot, TRUE, layer);
+			newob = true;
+
+			cu = (Curve *)obedit->data;
+			cu->flag |= CU_DEFORM_FILL;
+
+			if (type & CU_PRIM_PATH)
+				cu->flag |= CU_PATH | CU_3D;
+		}
+		else {
+			DAG_id_tag_update(&obedit->id, OB_RECALC_DATA);
+		}
+	}
+	else { /* adding surface */
+		if (obedit == NULL || obedit->type != OB_SURF) {
+			obedit = ED_object_add_type(C, OB_SURF, loc, rot, TRUE, layer);
+			newob = true;
+		}
+		else {
+			DAG_id_tag_update(&obedit->id, OB_RECALC_DATA);
+		}
+	}
+
+	/* rename here, the undo stack checks name for valid undo pushes */
+	if (newob) {
+		if (obedit->type == OB_CURVE) {
+			rename_id((ID *)obedit, get_curve_defname(type));
+			rename_id((ID *)obedit->data, get_curve_defname(type));
+		}
+		else {
+			rename_id((ID *)obedit, get_surf_defname(type));
+			rename_id((ID *)obedit->data, get_surf_defname(type));
+		}
+	}
+
+	/* ED_object_add_type doesnt do an undo, is needed for redo operator on primitive */
+	if (newob && enter_editmode)
+		ED_undo_push(C, "Enter Editmode");
+
+	ED_object_new_primitive_matrix(C, obedit, loc, rot, mat, TRUE);
+
+	nu = add_nurbs_primitive(C, obedit, mat, type, newob);
+	editnurb = object_editcurve_get(obedit);
+	BLI_addtail(editnurb, nu);
+
+	/* userdef */
+	if (newob && !enter_editmode) {
+		ED_object_editmode_exit(C, EM_FREEDATA);
+	}
+
+	WM_event_add_notifier(C, NC_OBJECT | ND_DRAW, obedit);
+
+	return OPERATOR_FINISHED;
+}
+
+static int curve_prim_add(bContext *C, wmOperator *op, int type)
+{
+	return curvesurf_prim_add(C, op, type, 0);
+}
+
+static int surf_prim_add(bContext *C, wmOperator *op, int type)
+{
+	return curvesurf_prim_add(C, op, type, 1);
+}
+
+/* ******************** Curves ******************* */
+
+static int add_primitive_bezier_exec(bContext *C, wmOperator *op)
+{
+	return curve_prim_add(C, op, CU_BEZIER | CU_PRIM_CURVE);
+}
+
+void CURVE_OT_primitive_bezier_curve_add(wmOperatorType *ot)
+{
+	/* identifiers */
+	ot->name = "Add Bezier";
+	ot->description = "Construct a Bezier Curve";
+	ot->idname = "CURVE_OT_primitive_bezier_curve_add";
+
+	/* api callbacks */
+	ot->exec = add_primitive_bezier_exec;
+	ot->poll = ED_operator_scene_editable;
+
+	/* flags */
+	ot->flag = OPTYPE_REGISTER | OPTYPE_UNDO;
+
+	ED_object_add_generic_props(ot, TRUE);
+}
+
+static int add_primitive_bezier_circle_exec(bContext *C, wmOperator *op)
+{
+	return curve_prim_add(C, op, CU_BEZIER | CU_PRIM_CIRCLE);
+}
+
+void CURVE_OT_primitive_bezier_circle_add(wmOperatorType *ot)
+{
+	/* identifiers */
+	ot->name = "Add Bezier Circle";
+	ot->description = "Construct a Bezier Circle";
+	ot->idname = "CURVE_OT_primitive_bezier_circle_add";
+
+	/* api callbacks */
+	ot->exec = add_primitive_bezier_circle_exec;
+	ot->poll = ED_operator_scene_editable;
+
+	/* flags */
+	ot->flag = OPTYPE_REGISTER | OPTYPE_UNDO;
+
+	ED_object_add_generic_props(ot, TRUE);
+}
+
+static int add_primitive_nurbs_curve_exec(bContext *C, wmOperator *op)
+{
+	return curve_prim_add(C, op, CU_NURBS | CU_PRIM_CURVE);
+}
+
+void CURVE_OT_primitive_nurbs_curve_add(wmOperatorType *ot)
+{
+	/* identifiers */
+	ot->name = "Add Nurbs Curve";
+	ot->description = "Construct a Nurbs Curve";
+	ot->idname = "CURVE_OT_primitive_nurbs_curve_add";
+
+	/* api callbacks */
+	ot->exec = add_primitive_nurbs_curve_exec;
+	ot->poll = ED_operator_scene_editable;
+
+	/* flags */
+	ot->flag = OPTYPE_REGISTER | OPTYPE_UNDO;
+
+	ED_object_add_generic_props(ot, TRUE);
+}
+
+static int add_primitive_nurbs_circle_exec(bContext *C, wmOperator *op)
+{
+	return curve_prim_add(C, op, CU_NURBS | CU_PRIM_CIRCLE);
+}
+
+void CURVE_OT_primitive_nurbs_circle_add(wmOperatorType *ot)
+{
+	/* identifiers */
+	ot->name = "Add Nurbs Circle";
+	ot->description = "Construct a Nurbs Circle";
+	ot->idname = "CURVE_OT_primitive_nurbs_circle_add";
+
+	/* api callbacks */
+	ot->exec = add_primitive_nurbs_circle_exec;
+	ot->poll = ED_operator_scene_editable;
+
+	/* flags */
+	ot->flag = OPTYPE_REGISTER | OPTYPE_UNDO;
+
+	ED_object_add_generic_props(ot, TRUE);
+}
+
+static int add_primitive_curve_path_exec(bContext *C, wmOperator *op)
+{
+	return curve_prim_add(C, op, CU_NURBS | CU_PRIM_PATH);
+}
+
+void CURVE_OT_primitive_nurbs_path_add(wmOperatorType *ot)
+{
+	/* identifiers */
+	ot->name = "Add Path";
+	ot->description = "Construct a Path";
+	ot->idname = "CURVE_OT_primitive_nurbs_path_add";
+
+	/* api callbacks */
+	ot->exec = add_primitive_curve_path_exec;
+	ot->poll = ED_operator_scene_editable;
+
+	/* flags */
+	ot->flag = OPTYPE_REGISTER | OPTYPE_UNDO;
+
+	ED_object_add_generic_props(ot, TRUE);
+}
+
+/* **************** NURBS surfaces ********************** */
+static int add_primitive_nurbs_surface_curve_exec(bContext *C, wmOperator *op)
+{
+	return surf_prim_add(C, op, CU_PRIM_CURVE | CU_NURBS);
+}
+
+void SURFACE_OT_primitive_nurbs_surface_curve_add(wmOperatorType *ot)
+{
+	/* identifiers */
+	ot->name = "Add Surface Curve";
+	ot->description = "Construct a Nurbs surface Curve";
+	ot->idname = "SURFACE_OT_primitive_nurbs_surface_curve_add";
+
+	/* api callbacks */
+	ot->exec = add_primitive_nurbs_surface_curve_exec;
+	ot->poll = ED_operator_scene_editable;
+
+	/* flags */
+	ot->flag = OPTYPE_REGISTER | OPTYPE_UNDO;
+
+	ED_object_add_generic_props(ot, TRUE);
+}
+
+static int add_primitive_nurbs_surface_circle_exec(bContext *C, wmOperator *op)
+{
+	return surf_prim_add(C, op, CU_PRIM_CIRCLE | CU_NURBS);
+}
+
+void SURFACE_OT_primitive_nurbs_surface_circle_add(wmOperatorType *ot)
+{
+	/* identifiers */
+	ot->name = "Add Surface Circle";
+	ot->description = "Construct a Nurbs surface Circle";
+	ot->idname = "SURFACE_OT_primitive_nurbs_surface_circle_add";
+
+	/* api callbacks */
+	ot->exec = add_primitive_nurbs_surface_circle_exec;
+	ot->poll = ED_operator_scene_editable;
+
+	/* flags */
+	ot->flag = OPTYPE_REGISTER | OPTYPE_UNDO;
+
+	ED_object_add_generic_props(ot, TRUE);
+}
+
+static int add_primitive_nurbs_surface_surface_exec(bContext *C, wmOperator *op)
+{
+	return surf_prim_add(C, op, CU_PRIM_PATCH | CU_NURBS);
+}
+
+void SURFACE_OT_primitive_nurbs_surface_surface_add(wmOperatorType *ot)
+{
+	/* identifiers */
+	ot->name = "Add Surface Patch";
+	ot->description = "Construct a Nurbs surface Patch";
+	ot->idname = "SURFACE_OT_primitive_nurbs_surface_surface_add";
+
+	/* api callbacks */
+	ot->exec = add_primitive_nurbs_surface_surface_exec;
+	ot->poll = ED_operator_scene_editable;
+
+	/* flags */
+	ot->flag = OPTYPE_REGISTER | OPTYPE_UNDO;
+
+	ED_object_add_generic_props(ot, TRUE);
+}
+
+static int add_primitive_nurbs_surface_cylinder_exec(bContext *C, wmOperator *op)
+{
+	return surf_prim_add(C, op, CU_PRIM_TUBE | CU_NURBS);
+}
+
+void SURFACE_OT_primitive_nurbs_surface_cylinder_add(wmOperatorType *ot)
+{
+	/* identifiers */
+	ot->name = "Add Surface Cylinder";
+	ot->description = "Construct a Nurbs surface Cylinder";
+	ot->idname = "SURFACE_OT_primitive_nurbs_surface_cylinder_add";
+
+	/* api callbacks */
+	ot->exec = add_primitive_nurbs_surface_cylinder_exec;
+	ot->poll = ED_operator_scene_editable;
+
+	/* flags */
+	ot->flag = OPTYPE_REGISTER | OPTYPE_UNDO;
+
+	ED_object_add_generic_props(ot, TRUE);
+}
+
+static int add_primitive_nurbs_surface_sphere_exec(bContext *C, wmOperator *op)
+{
+	return surf_prim_add(C, op, CU_PRIM_SPHERE | CU_NURBS);
+}
+
+void SURFACE_OT_primitive_nurbs_surface_sphere_add(wmOperatorType *ot)
+{
+	/* identifiers */
+	ot->name = "Add Surface Sphere";
+	ot->description = "Construct a Nurbs surface Sphere";
+	ot->idname = "SURFACE_OT_primitive_nurbs_surface_sphere_add";
+
+	/* api callbacks */
+	ot->exec = add_primitive_nurbs_surface_sphere_exec;
+	ot->poll = ED_operator_scene_editable;
+
+	/* flags */
+	ot->flag = OPTYPE_REGISTER | OPTYPE_UNDO;
+
+	ED_object_add_generic_props(ot, TRUE);
+}
+
+static int add_primitive_nurbs_surface_torus_exec(bContext *C, wmOperator *op)
+{
+	return surf_prim_add(C, op, CU_PRIM_DONUT | CU_NURBS);
+}
+
+void SURFACE_OT_primitive_nurbs_surface_torus_add(wmOperatorType *ot)
+{
+	/* identifiers */
+	ot->name = "Add Surface Torus";
+	ot->description = "Construct a Nurbs surface Torus";
+	ot->idname = "SURFACE_OT_primitive_nurbs_surface_torus_add";
+
+	/* api callbacks */
+	ot->exec = add_primitive_nurbs_surface_torus_exec;
+	ot->poll = ED_operator_scene_editable;
+
+	/* flags */
+	ot->flag = OPTYPE_REGISTER | OPTYPE_UNDO;
+
+	ED_object_add_generic_props(ot, TRUE);
+}