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blender-archive/source/blender/python/api2_2x/Curve.c
Willian Padovani Germano b13c0705d3 * Module Curve updated:
Jacques Guignot (guignot) sent updated files for his Curve module.
* Module Armature (and its submodule Bone) added:
    Jordi Rovira i Bonet (bandoler) contributed both modules, which
    are NEW additions to Blender Python, not available in Blender 2.27.
* Added function to NMesh.c:
    Jordi again.  He added the function NMesh_getVertexInfluence().
2003-05-29 04:00:35 +00:00

711 lines
20 KiB
C

/*
*
* ***** BEGIN GPL/BL DUAL 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. The Blender
* Foundation also sells licenses for use in proprietary software under
* the Blender License. See http://www.blender.org/BL/ for information
* about this.
*
* 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*
* The Original Code is Copyright (C) 2001-2002 by NaN Holding BV.
* All rights reserved.
*
* This is a new part of Blender.
*
* Contributor(s): Jacques Guignot
*
* ***** END GPL/BL DUAL LICENSE BLOCK *****
*/
#include "Curve.h"
/*****************************************************************************/
/* Function: M_Curve_New */
/* Python equivalent: Blender.Curve.New */
/*****************************************************************************/
static PyObject *M_Curve_New(PyObject *self, PyObject *args)
{
char buf[24];
char*name=NULL ;
C_Curve *pycurve; /* for Curve Data object wrapper in Python */
Curve *blcurve = 0; /* for actual Curve Data we create in Blender */
printf ("In Curve_New()\n");
if (!PyArg_ParseTuple(args, "|s", &name))
return (EXPP_ReturnPyObjError (PyExc_AttributeError,
"expected string argument or no argument"));
blcurve = add_curve(OB_CURVE); /* first create the Curve Data in Blender */
if (blcurve == NULL)
return (EXPP_ReturnPyObjError (PyExc_RuntimeError,
"couldn't create Curve Data in Blender"));
pycurve = (C_Curve *)PyObject_NEW(C_Curve, &Curve_Type);
if (pycurve == NULL)
return (EXPP_ReturnPyObjError (PyExc_MemoryError,
"couldn't create Curve Data object"));
pycurve->curve = blcurve; /* link Python curve wrapper to Blender Curve */
if (name)
{
PyOS_snprintf(buf, sizeof(buf), "%s", name);
rename_id(&blcurve->id, buf);
}
return (PyObject *)pycurve;
}
/*****************************************************************************/
/* Function: M_Curve_Get */
/* Python equivalent: Blender.Curve.Get */
/*****************************************************************************/
static PyObject *M_Curve_Get(PyObject *self, PyObject *args)
{
char *name = NULL;
Curve *curv_iter;
C_Curve *wanted_curv;
printf ("In Curve_Get()\n");
if (!PyArg_ParseTuple(args, "|s", &name))//expects nothing or a string
return (EXPP_ReturnPyObjError (PyExc_AttributeError,
"expected string argument"));
if(name){//a name has been given
/* Use the name to search for the curve requested */
wanted_curv = NULL;
curv_iter = G.main->curve.first;
while ((curv_iter) && (wanted_curv == NULL)) {
if (strcmp (name, curv_iter->id.name+2) == 0) {
wanted_curv = (C_Curve *)PyObject_NEW(C_Curve, &Curve_Type);
if (wanted_curv) wanted_curv->curve = curv_iter;
}
curv_iter = curv_iter->id.next;
}
if (wanted_curv == NULL) { /* Requested curve doesn't exist */
char error_msg[64];
PyOS_snprintf(error_msg, sizeof(error_msg),
"Curve \"%s\" not found", name);
return (EXPP_ReturnPyObjError (PyExc_NameError, error_msg));
}
return (PyObject*)wanted_curv;
}//if(name)
else{//no name has been given; return a list of all curves by name.
int index = 0;
PyObject *curvlist, *pystr;
curv_iter = G.main->curve.first;
curvlist = PyList_New (BLI_countlist (&(G.main->curve)));
if (curvlist == NULL)
return (PythonReturnErrorObject (PyExc_MemoryError,
"couldn't create PyList"));
while (curv_iter) {
pystr = PyString_FromString (curv_iter->id.name+2);
if (!pystr)
return (PythonReturnErrorObject (PyExc_MemoryError,
"couldn't create PyString"));
PyList_SET_ITEM (curvlist, index, pystr);
curv_iter = curv_iter->id.next;
index++;
}
return (curvlist);
}//else
}
/*****************************************************************************/
/* Function: M_Curve_Init */
/*****************************************************************************/
PyObject *M_Curve_Init (void)
{
PyObject *submodule;
printf ("In M_Curve_Init()\n");
submodule = Py_InitModule3("Blender.Curve",M_Curve_methods, M_Curve_doc);
return (submodule);
}
/*****************************************************************************/
/* Python C_Curve methods: */
/* gives access to */
/* name, pathlen totcol flag bevresol */
/* resolu resolv width ext1 ext2 */
/* controlpoint loc rot size */
/*****************************************************************************/
static PyObject *Curve_getName(C_Curve *self)
{
PyObject *attr = PyString_FromString(self->curve->id.name+2);
if (attr) return attr;
return (EXPP_ReturnPyObjError (PyExc_RuntimeError,
"couldn't get Curve.name attribute"));
}
static PyObject *Curve_setName(C_Curve *self, PyObject *args)
{
char*name;
char buf[50];
if (!PyArg_ParseTuple(args, "s", &(name)))
return (EXPP_ReturnPyObjError (PyExc_AttributeError,
"expected string argument"));
PyOS_snprintf(buf, sizeof(buf), "%s", name);
rename_id(&self->curve->id, buf); /* proper way in Blender */
Py_INCREF(Py_None);
return Py_None;
}
static PyObject *Curve_getPathLen(C_Curve *self)
{
PyObject *attr = PyInt_FromLong((long)self->curve->pathlen);
if (attr) return attr;
return (EXPP_ReturnPyObjError (PyExc_RuntimeError,
"couldn't get Curve.pathlen attribute"));
}
static PyObject *Curve_setPathLen(C_Curve *self, PyObject *args)
{
if (!PyArg_ParseTuple(args, "i", &(self->curve->pathlen)))
return (EXPP_ReturnPyObjError (PyExc_AttributeError,
"expected int argument"));
Py_INCREF(Py_None);
return Py_None;
}
static PyObject *Curve_getTotcol(C_Curve *self)
{
PyObject *attr = PyInt_FromLong((long)self->curve->totcol);
if (attr) return attr;
return (EXPP_ReturnPyObjError (PyExc_RuntimeError,
"couldn't get Curve.totcol attribute"));
}
static PyObject *Curve_setTotcol(C_Curve *self, PyObject *args)
{
if (!PyArg_ParseTuple(args, "i", &(self->curve->totcol)))
return (EXPP_ReturnPyObjError (PyExc_AttributeError,
"expected int argument"));
Py_INCREF(Py_None);
return Py_None;
}
static PyObject *Curve_getMode(C_Curve *self)
{
PyObject *attr = PyInt_FromLong((long)self->curve->flag);
if (attr) return attr;
return (EXPP_ReturnPyObjError (PyExc_RuntimeError,
"couldn't get Curve.flag attribute"));
}
static PyObject *Curve_setMode(C_Curve *self, PyObject *args)
{
if (!PyArg_ParseTuple(args, "i", &(self->curve->flag)))
return (EXPP_ReturnPyObjError (PyExc_AttributeError,
"expected int argument"));
Py_INCREF(Py_None);
return Py_None;
}
static PyObject *Curve_getBevresol(C_Curve *self)
{
PyObject *attr = PyInt_FromLong((long)self->curve->bevresol);
if (attr) return attr;
return (EXPP_ReturnPyObjError (PyExc_RuntimeError,
"couldn't get Curve.bevresol attribute"));
}
static PyObject *Curve_setBevresol(C_Curve *self, PyObject *args)
{
if (!PyArg_ParseTuple(args, "i", &(self->curve->bevresol)))
return (EXPP_ReturnPyObjError (PyExc_AttributeError,
"expected int argument"));
Py_INCREF(Py_None);
return Py_None;
}
static PyObject *Curve_getResolu(C_Curve *self)
{
PyObject *attr = PyInt_FromLong((long)self->curve->resolu);
if (attr) return attr;
return (EXPP_ReturnPyObjError (PyExc_RuntimeError,
"couldn't get Curve.resolu attribute"));
}
static PyObject *Curve_setResolu(C_Curve *self, PyObject *args)
{
if (!PyArg_ParseTuple(args, "i", &(self->curve->resolu)))
return (EXPP_ReturnPyObjError (PyExc_AttributeError,
"expected int argument"));
Py_INCREF(Py_None);
return Py_None;
}
static PyObject *Curve_getResolv(C_Curve *self)
{
PyObject *attr = PyInt_FromLong((long)self->curve->resolv);
if (attr) return attr;
return (EXPP_ReturnPyObjError (PyExc_RuntimeError,
"couldn't get Curve.resolv attribute"));
}
static PyObject *Curve_setResolv(C_Curve *self, PyObject *args)
{
if (!PyArg_ParseTuple(args, "i", &(self->curve->resolv)))
return (EXPP_ReturnPyObjError (PyExc_AttributeError,
"expected int argument"));
Py_INCREF(Py_None);
return Py_None;
}
static PyObject *Curve_getWidth(C_Curve *self)
{
PyObject *attr = PyFloat_FromDouble((double)self->curve->width);
if (attr) return attr;
return (EXPP_ReturnPyObjError (PyExc_RuntimeError,
"couldn't get Curve.width attribute"));
}
static PyObject *Curve_setWidth(C_Curve *self, PyObject *args)
{
if (!PyArg_ParseTuple(args, "f", &(self->curve->width)))
return (EXPP_ReturnPyObjError (PyExc_AttributeError,
"expected float argument"));
Py_INCREF(Py_None);
return Py_None;
}
static PyObject *Curve_getExt1(C_Curve *self)
{
PyObject *attr = PyFloat_FromDouble((double)self->curve->ext1);
if (attr) return attr;
return (EXPP_ReturnPyObjError (PyExc_RuntimeError,
"couldn't get Curve.ext1 attribute"));
}
static PyObject *Curve_setExt1(C_Curve *self, PyObject *args)
{
if (!PyArg_ParseTuple(args, "f", &(self->curve->ext1)))
return (EXPP_ReturnPyObjError (PyExc_AttributeError,
"expected float argument"));
Py_INCREF(Py_None);
return Py_None;
}
static PyObject *Curve_getExt2(C_Curve *self)
{
PyObject *attr = PyFloat_FromDouble((double)self->curve->ext2);
if (attr) return attr;
return (EXPP_ReturnPyObjError (PyExc_RuntimeError,
"couldn't get Curve.ext2 attribute"));
}
static PyObject *Curve_setExt2(C_Curve *self, PyObject *args)
{
if (!PyArg_ParseTuple(args, "f", &(self->curve->ext2)))
return (EXPP_ReturnPyObjError (PyExc_AttributeError,
"expected float argument"));
Py_INCREF(Py_None);
return Py_None;
}
static PyObject *Curve_setControlPoint(C_Curve *self, PyObject *args)
{
Nurb*ptrnurb = self->curve->nurb.first;
int numcourbe,numpoint,i,j;
float x,y,z,w;
float bez[9];
if (!ptrnurb){ Py_INCREF(Py_None);return Py_None;}
if (ptrnurb->bp)
if (!PyArg_ParseTuple(args, "iiffff", &numcourbe,&numpoint,&x,&y,&z,&w))
return (EXPP_ReturnPyObjError (PyExc_AttributeError,
"expected int int float float float float arguments"));
if (ptrnurb->bezt)
if (!PyArg_ParseTuple(args, "iifffffffff", &numcourbe,&numpoint,
bez,bez+1,bez+2,bez+3,bez+4,bez+5,bez+6,bez+7,bez+8))
return (EXPP_ReturnPyObjError (PyExc_AttributeError,
"expected int int float float float float float float "
"float float float arguments"));
for(i = 0;i< numcourbe;i++)
ptrnurb=ptrnurb->next;
if (ptrnurb->bp)
{
ptrnurb->bp[numpoint].vec[0] = x;
ptrnurb->bp[numpoint].vec[1] = y;
ptrnurb->bp[numpoint].vec[2] = z;
ptrnurb->bp[numpoint].vec[3] = w;
}
if (ptrnurb->bezt)
{
for(i = 0;i<3;i++)
for(j = 0;j<3;j++)
ptrnurb->bezt[numpoint].vec[i][j] = bez[i*3+j];
}
Py_INCREF(Py_None);
return Py_None;
}
static PyObject *Curve_getControlPoint(C_Curve *self, PyObject *args)
{
PyObject* liste = PyList_New(0);
Nurb*ptrnurb;
int numcourbe,numpoint,i,j;
if (!PyArg_ParseTuple(args, "ii", &numcourbe,&numpoint))
return (EXPP_ReturnPyObjError (PyExc_AttributeError,
"expected int int arguments"));
//check args ???
if (!self->curve->nurb.first)return liste;
ptrnurb = self->curve->nurb.first;
for(i = 0;i< numcourbe;i++)//selection of the first point of the curve
ptrnurb=ptrnurb->next;
if (ptrnurb->bp)
{
for(i = 0;i< 4;i++)
PyList_Append(liste, PyFloat_FromDouble( ptrnurb->bp[numpoint].vec[i]));
}
if (ptrnurb->bezt)
{
liste = PyList_New(9);
for(i = 0;i< 3;i++)
for(j = 0;j< 3;j++)
PyList_Append(liste,
PyFloat_FromDouble( ptrnurb->bezt[numpoint].vec[i][j]));
}
return liste;
}
static PyObject *Curve_getLoc(C_Curve *self)
{
int i;
PyObject* liste = PyList_New(3);
for(i = 0;i< 3;i++)
PyList_SetItem(liste, i, PyFloat_FromDouble( self->curve->loc[i]));
return liste;
}
static PyObject *Curve_setLoc(C_Curve *self, PyObject *args)
{
float x,y,z;
if (!PyArg_ParseTuple(args, "fff",&x,&y,&z))
return (EXPP_ReturnPyObjError (PyExc_AttributeError,
"expected float float float arguments"));
self->curve->loc[0] = x;
self->curve->loc[1] = y;
self->curve->loc[2] = z;
Py_INCREF(Py_None);
return Py_None;
}
static PyObject *Curve_getRot(C_Curve *self)
{
int i;
PyObject* liste = PyList_New(3);
for(i = 0;i< 3;i++)
PyList_SetItem(liste, i, PyFloat_FromDouble( self->curve->rot[i]));
return liste;
}
static PyObject *Curve_setRot(C_Curve *self, PyObject *args)
{
float x,y,z;
if (!PyArg_ParseTuple(args, "fff",&x,&y,&z))
return (EXPP_ReturnPyObjError (PyExc_AttributeError,
"expected float float float arguments"));
self->curve->rot[0] = x;
self->curve->rot[1] = y;
self->curve->rot[2] = z;
Py_INCREF(Py_None);
return Py_None;
}
static PyObject *Curve_getSize(C_Curve *self)
{
int i;
PyObject* liste = PyList_New(3);
for(i = 0;i< 3;i++)
PyList_SetItem(liste, i, PyFloat_FromDouble( self->curve->size[i]));
return liste;
}
static PyObject *Curve_setSize(C_Curve *self, PyObject *args)
{
float x,y,z;
if (!PyArg_ParseTuple(args, "fff",&x,&y,&z))
return (EXPP_ReturnPyObjError (PyExc_AttributeError,
"expected float float float arguments"));
self->curve->size[0] = x;
self->curve->size[1] = y;
self->curve->size[2] = z;
Py_INCREF(Py_None);
return Py_None;
}
/*****************************************************************************/
/* Function: CurveDeAlloc */
/* Description: This is a callback function for the C_Curve type. It is */
/* the destructor function. */
/*****************************************************************************/
static void CurveDeAlloc (C_Curve *self)
{
PyObject_DEL (self);
}
/*****************************************************************************/
/* Function: CurveGetAttr */
/* Description: This is a callback function for the C_Curve type. It is */
/* the function that accesses C_Curve "member variables" and */
/* methods. */
/*****************************************************************************/
static PyObject *CurveGetAttr (C_Curve *self, char *name)//getattr
{
PyObject *attr = Py_None;
if (strcmp(name, "name") == 0)
attr = PyString_FromString(self->curve->id.name+2);
if (strcmp(name, "pathlen") == 0)
attr = PyInt_FromLong(self->curve->pathlen);
if (strcmp(name, "totcol") == 0)
attr = PyInt_FromLong(self->curve->totcol);
if (strcmp(name, "flag") == 0)
attr = PyInt_FromLong(self->curve->flag);
if (strcmp(name, "bevresol") == 0)
attr = PyInt_FromLong(self->curve->bevresol);
if (strcmp(name, "resolu") == 0)
attr = PyInt_FromLong(self->curve->resolu);
if (strcmp(name, "resolv") == 0)
attr = PyInt_FromLong(self->curve->resolv);
if (strcmp(name, "width") == 0)
attr = PyFloat_FromDouble(self->curve->width);
if (strcmp(name, "ext1") == 0)
attr = PyFloat_FromDouble(self->curve->ext1);
if (strcmp(name, "ext2") == 0)
attr = PyFloat_FromDouble(self->curve->ext2);
if (!attr)
return (EXPP_ReturnPyObjError (PyExc_MemoryError,
"couldn't create PyObject"));
if (attr != Py_None) return attr; /* member attribute found, return it */
/* not an attribute, search the methods table */
return Py_FindMethod(C_Curve_methods, (PyObject *)self, name);
}
/*****************************************************************************/
/* Function: CurveSetAttr */
/* Description: This is a callback function for the C_Curve type. It is the */
/* function that sets Curve Data attributes (member variables). */
/*****************************************************************************/
static int CurveSetAttr (C_Curve *self, char *name, PyObject *value)
{ PyObject *valtuple;
PyObject *error = NULL;
valtuple = Py_BuildValue("(N)", value);
//resolu resolv width ext1 ext2
if (!valtuple)
return EXPP_ReturnIntError(PyExc_MemoryError,
"CurveSetAttr: couldn't create PyTuple");
if (strcmp (name, "name") == 0)
error = Curve_setName (self, valtuple);
else if (strcmp (name, "pathlen") == 0)
error = Curve_setPathLen(self, valtuple);
else if (strcmp (name, "resolu") == 0)
error = Curve_setResolu (self, valtuple);
else if (strcmp (name, "resolv") == 0)
error = Curve_setResolv (self, valtuple);
else if (strcmp (name, "width") == 0)
error = Curve_setWidth (self, valtuple);
else if (strcmp (name, "ext1") == 0)
error = Curve_setExt1 (self, valtuple);
else if (strcmp (name, "ext2") == 0)
error = Curve_setExt2 (self, valtuple);
else { /* Error */
Py_DECREF(valtuple);
if ((strcmp (name, "Types") == 0) ||
(strcmp (name, "Modes") == 0))
return (EXPP_ReturnIntError (PyExc_AttributeError,
"constant dictionary -- cannot be changed"));
else
return (EXPP_ReturnIntError (PyExc_KeyError,
"attribute not found"));
}
Py_DECREF(valtuple);
if (error != Py_None) return -1;
Py_DECREF(Py_None);
return 0;
}
/*****************************************************************************/
/* Function: CurvePrint */
/* Description: This is a callback function for the C_Curve type. It */
/* builds a meaninful string to 'print' curve objects. */
/*****************************************************************************/
static int CurvePrint(C_Curve *self, FILE *fp, int flags) //print
{
fprintf(fp, "[Curve \"%s\"]\n", self->curve->id.name+2);
return 0;
}
/*****************************************************************************/
/* Function: CurveRepr */
/* Description: This is a callback function for the C_Curve type. It */
/* builds a meaninful string to represent curve objects. */
/*****************************************************************************/
static PyObject *CurveRepr (C_Curve *self) //used by 'repr'
{
return PyString_FromString(self->curve->id.name+2);
}
PyObject* CurveCreatePyObject (struct Curve *curve)
{
C_Curve * blen_object;
printf ("In CurveCreatePyObject\n");
blen_object = (C_Curve*)PyObject_NEW (C_Curve, &Curve_Type);
if (blen_object == NULL)
{
return (NULL);
}
blen_object->curve = curve;
return ((PyObject*)blen_object);
}
int CurveCheckPyObject (PyObject *py_obj)
{
return (py_obj->ob_type == &Curve_Type);
}
struct Curve* CurveFromPyObject (PyObject *py_obj)
{
C_Curve * blen_obj;
blen_obj = (C_Curve*)py_obj;
return (blen_obj->curve);
}