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Stephen Swaney authored
Testing has not convinced me this is a complete solution to the Ipo Curve handle issue, but it does seem to make things better for curves created via python. We will probably need to revisit this, especially if we expose the curve handles in the bpy interface.
Stephen Swaney authoredTesting has not convinced me this is a complete solution to the Ipo Curve handle issue, but it does seem to make things better for curves created via python. We will probably need to revisit this, especially if we expose the curve handles in the bpy interface.
Ipocurve.c 17.78 KiB
/*
*
* ***** 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 "Ipocurve.h"
#include <BKE_main.h>
#include <BKE_global.h>
#include <BKE_object.h>
#include <BKE_library.h>
#include <BKE_ipo.h>
#include <BLI_blenlib.h>
#include "constant.h"
#include "gen_utils.h"
#include "modules.h"
/*****************************************************************************/
/* Python API function prototypes for the IpoCurve module. */
/*****************************************************************************/
static PyObject *M_IpoCurve_New (PyObject * self, PyObject * args);
static PyObject *M_IpoCurve_Get (PyObject * self, PyObject * args);
/*****************************************************************************/
/* The following string definitions are used for documentation strings. */
/* In Python these will be written to the console when doing a */
/* Blender.IpoCurve.__doc__ */
/*****************************************************************************/
char M_IpoCurve_doc[] = "";
char M_IpoCurve_New_doc[] = "";
char M_IpoCurve_Get_doc[] = "";
/*****************************************************************************/
/* Python method structure definition for Blender.IpoCurve module: */
/*****************************************************************************/
struct PyMethodDef M_IpoCurve_methods[] = {
{"New", (PyCFunction) M_IpoCurve_New, METH_VARARGS | METH_KEYWORDS,
M_IpoCurve_New_doc},
{"Get", M_IpoCurve_Get, METH_VARARGS, M_IpoCurve_Get_doc},
{"get", M_IpoCurve_Get, METH_VARARGS, M_IpoCurve_Get_doc},
{NULL, NULL, 0, NULL}
};
/*****************************************************************************/
/* Python C_IpoCurve methods declarations: */
/*****************************************************************************/
static PyObject *IpoCurve_getName (C_IpoCurve * self);
static PyObject *IpoCurve_Recalc (C_IpoCurve * self);
static PyObject *IpoCurve_setName (C_IpoCurve * self, PyObject * args);
static PyObject *IpoCurve_addBezier (C_IpoCurve * self, PyObject * args);
static PyObject *IpoCurve_setInterpolation (C_IpoCurve * self,
PyObject * args);
static PyObject *IpoCurve_getInterpolation (C_IpoCurve * self);
static PyObject *IpoCurve_setExtrapolation (C_IpoCurve * self,
PyObject * args);
static PyObject *IpoCurve_getExtrapolation (C_IpoCurve * self);
static PyObject *IpoCurve_getPoints (C_IpoCurve * self);
/*****************************************************************************/
/* Python C_IpoCurve methods table: */
/*****************************************************************************/
static PyMethodDef C_IpoCurve_methods[] = {
/* name, method, flags, doc */
{"getName", (PyCFunction) IpoCurve_getName, METH_NOARGS,
"() - Return IpoCurve Data name"},
{"Recalc", (PyCFunction) IpoCurve_Recalc, METH_NOARGS,
"() - Return IpoCurve Data name"},
{"update", (PyCFunction) IpoCurve_Recalc, METH_NOARGS,
"() - Return IpoCurve Data name"},
{"setName", (PyCFunction) IpoCurve_setName, METH_VARARGS,
"(str) - Change IpoCurve Data name"},
{"addBezier", (PyCFunction) IpoCurve_addBezier, METH_VARARGS,
"(str) - Change IpoCurve Data name"},
{"setInterpolation", (PyCFunction) IpoCurve_setInterpolation, METH_VARARGS,
"(str) - Change IpoCurve Data name"},
{"getInterpolation", (PyCFunction) IpoCurve_getInterpolation, METH_NOARGS,
"(str) - Change IpoCurve Data name"},
{"setExtrapolation", (PyCFunction) IpoCurve_setExtrapolation, METH_VARARGS,
"(str) - Change IpoCurve Data name"},
{"getExtrapolation", (PyCFunction) IpoCurve_getExtrapolation, METH_NOARGS,
"(str) - Change IpoCurve Data name"},
{"getPoints", (PyCFunction) IpoCurve_getPoints, METH_NOARGS,
"(str) - Change IpoCurve Data name"},
{NULL, NULL, 0, NULL}
};
/*****************************************************************************/
/* Python IpoCurve_Type callback function prototypes: */
/*****************************************************************************/
static void IpoCurveDeAlloc (C_IpoCurve * self);
//static int IpoCurvePrint (C_IpoCurve *self, FILE *fp, int flags);
static int IpoCurveSetAttr (C_IpoCurve * self, char *name, PyObject * v);
static PyObject *IpoCurveGetAttr (C_IpoCurve * self, char *name);
static PyObject *IpoCurveRepr (C_IpoCurve * self);
/*****************************************************************************/
/* Python IpoCurve_Type structure definition: */
/*****************************************************************************/
PyTypeObject IpoCurve_Type = {
PyObject_HEAD_INIT (NULL) /* required macro */
0, /* ob_size */
"IpoCurve", /* tp_name */
sizeof (C_IpoCurve), /* tp_basicsize */
0, /* tp_itemsize */
/* methods */
(destructor) IpoCurveDeAlloc, /* tp_dealloc */
0, /* tp_print */
(getattrfunc) IpoCurveGetAttr, /* tp_getattr */
(setattrfunc) IpoCurveSetAttr, /* tp_setattr */
0, /* tp_compare */
(reprfunc) IpoCurveRepr, /* tp_repr */
0, /* tp_as_number */ 0, /* tp_as_sequence */
0, /* tp_as_mapping */
0, /* tp_as_hash */
0, 0, 0, 0, 0, 0,
0, /* tp_doc */
0, 0, 0, 0, 0, 0,
C_IpoCurve_methods, /* tp_methods */
0, /* tp_members */
};
/*****************************************************************************/
/* Function: M_IpoCurve_New */
/* Python equivalent: Blender.IpoCurve.New */
/*****************************************************************************/
static PyObject *
M_IpoCurve_New (PyObject * self, PyObject * args)
{
return 0;
}
/*****************************************************************************/
/* Function: Ipo_Init */
/*****************************************************************************/
PyObject *
IpoCurve_Init (void)
{
PyObject *submodule;
IpoCurve_Type.ob_type = &PyType_Type;
submodule =
Py_InitModule3 ("Blender.IpoCurve", M_IpoCurve_methods, M_IpoCurve_doc);
return (submodule);
}
/*****************************************************************************/
/* Function: M_IpoCurve_Get */
/* Python equivalent: Blender.IpoCurve.Get */
/* Description: Receives a string and returns the ipo data obj */
/* whose name matches the string. If no argument is */
/* passed in, a list of all ipo data names in the */
/* current scene is returned. */
/*****************************************************************************/
static PyObject *
M_IpoCurve_Get (PyObject * self, PyObject * args)
{
return 0;
}
/*****************************************************************************/
/* Python C_IpoCurve methods: */
/*****************************************************************************/
static PyObject *
IpoCurve_setInterpolation (C_IpoCurve * self, PyObject * args)
{
char *interpolationtype = 0;
int id = -1;
if (!PyArg_ParseTuple (args, "s", &interpolationtype))
return (EXPP_ReturnPyObjError
(PyExc_TypeError, "expected string argument"));
if (!strcmp (interpolationtype, "Bezier"))
id = IPO_BEZ;
if (!strcmp (interpolationtype, "Constant"))
id = IPO_CONST;
if (!strcmp (interpolationtype, "Linear"))
id = IPO_LIN; if (id == -1)
return (EXPP_ReturnPyObjError
(PyExc_TypeError, "bad interpolation type"));
self->ipocurve->ipo = id;
Py_INCREF (Py_None);
return Py_None;
}
static PyObject *
IpoCurve_getInterpolation (C_IpoCurve * self)
{
char *str = 0;
IpoCurve *icu = self->ipocurve;
if (icu->ipo == IPO_BEZ)
str = "Bezier";
if (icu->ipo == IPO_CONST)
str = "Constant";
if (icu->ipo == IPO_LIN)
str = "Linear";
if (!str)
return (EXPP_ReturnPyObjError
(PyExc_TypeError, "unknown interpolation type"));
return PyString_FromString (str);
}
static PyObject *
IpoCurve_setExtrapolation (C_IpoCurve * self, PyObject * args)
{
char *extrapolationtype = 0;
int id = -1;
if (!PyArg_ParseTuple (args, "s", &extrapolationtype))
return (EXPP_ReturnPyObjError
(PyExc_TypeError, "expected string argument"));
if (!strcmp (extrapolationtype, "Constant"))
id = 0;
if (!strcmp (extrapolationtype, "Extrapolation"))
id = 1;
if (!strcmp (extrapolationtype, "Cyclic"))
id = 2;
if (!strcmp (extrapolationtype, "Cyclic_extrapolation"))
id = 3;
if (id == -1)
return (EXPP_ReturnPyObjError
(PyExc_TypeError, "bad interpolation type"));
self->ipocurve->extrap = id;
Py_INCREF (Py_None);
return Py_None;
}
static PyObject *
IpoCurve_getExtrapolation (C_IpoCurve * self)
{
char *str = 0;
IpoCurve *icu = self->ipocurve;
if (icu->extrap == 0)
str = "Constant";
if (icu->extrap == 1)
str = "Extrapolation";
if (icu->extrap == 2)
str = "Cyclic";
if (icu->extrap == 3)
str = "Cyclic_extrapolation";
return PyString_FromString (str);
}
static PyObject *
IpoCurve_addBezier (C_IpoCurve * self, PyObject * args)
{
short MEM_freeN (void *vmemh);
void *MEM_mallocN (unsigned int len, char *str);
float x, y;
int npoints;
IpoCurve *icu;
BezTriple *bzt, *tmp;
static char name[10] = "mlml";
PyObject *popo = 0;
if (!PyArg_ParseTuple (args, "O", &popo))
return (EXPP_ReturnPyObjError
(PyExc_TypeError, "expected tuple argument"));
x = PyFloat_AsDouble (PyTuple_GetItem (popo, 0));
y = PyFloat_AsDouble (PyTuple_GetItem (popo, 1));
icu = self->ipocurve;
npoints = icu->totvert;
tmp = icu->bezt;
icu->bezt = MEM_mallocN (sizeof (BezTriple) * (npoints + 1), name);
if (tmp)
{
memmove (icu->bezt, tmp, sizeof (BezTriple) * npoints);
MEM_freeN (tmp);
}
memmove (icu->bezt + npoints, icu->bezt, sizeof (BezTriple));
icu->totvert++;
bzt = icu->bezt + npoints;
bzt->vec[0][0] = x - 1;
bzt->vec[1][0] = x;
bzt->vec[2][0] = x + 1;
bzt->vec[0][1] = y - 1;
bzt->vec[1][1] = y;
bzt->vec[2][1] = y + 1;
/* set handle type to Auto */
bzt->h1 = HD_AUTO;
bzt->h2 = HD_AUTO;
Py_INCREF (Py_None);
return Py_None;
}
static PyObject *
IpoCurve_setName (C_IpoCurve * self, PyObject * args)
{
return 0;
}
static PyObject *
IpoCurve_Recalc (C_IpoCurve * self)
{
IpoCurve *icu = self->ipocurve;
/* testhandles_ipocurve (icu); */
/* call calchandles_* instead of testhandles_* */
/* I'm not sure this is a complete solution but since we do not */
/* deal with curve handles right now, it seems ok */
calchandles_ipocurve (icu);
Py_INCREF (Py_None);
return Py_None;
}
static PyObject *
IpoCurve_getName (C_IpoCurve * self)
{
const int objectType=self->ipocurve->blocktype; const int trackType=self->ipocurve->adrcode;
const char * ob_nametab[24] = {"LocX","LocY","LocZ","dLocX","dLocY","dLocZ",
"RotX","RotY","RotZ","dRotX","dRotY","dRotZ","SizeX","SizeY","SizeZ",
"dSizeX","dSizeY","dSizeZ","Layer","Time","ColR","ColG","ColB","ColA"};
const char * ac_nametab[5] = {"QuatW", "QuatX", "QuatY", "QuatZ"};
switch (objectType) {
case ID_OB: {
if (self->ipocurve->adrcode <= 0 ) {
return PyString_FromString("Index too small");
} else if (self->ipocurve->adrcode >= 25 ) {
return PyString_FromString("Index too big");
} else {
return PyString_FromString(ob_nametab[trackType-1]);
}
}
break;
case ID_AC: {
switch (trackType) {
case 1: case 2: case 3: case 13: case 14: case 15:
return PyString_FromString(ob_nametab[trackType-1]);
break;
case 25: case 26: case 27: case 28:
return PyString_FromString(ac_nametab[trackType-25]);
break;
default:
return PyString_FromString("Index out of range");
}
}
break;
default:
return EXPP_ReturnPyObjError (PyExc_TypeError,
"This function doesn't support this ipocurve type yet");
}
}
static void
IpoCurveDeAlloc (C_IpoCurve * self)
{
PyObject_DEL (self);
}
static PyObject *
IpoCurve_getPoints (C_IpoCurve * self)
{
struct BezTriple *bezt;
PyObject *po;
PyObject *list = PyList_New (0);
int i;
for (i = 0; i < self->ipocurve->totvert; i++)
{
bezt = self->ipocurve->bezt + i;
po = BezTriple_CreatePyObject (bezt);
#if 0
if (BezTriple_CheckPyObject (po))
printf ("po is ok\n");
else
printf ("po is hosed\n");
#endif
PyList_Append (list, po);
/*
PyList_Append( list, BezTriple_CreatePyObject(bezt));
*/ }
return list;
}
int
IpoCurve_setPoints (C_IpoCurve * self, PyObject * value)
{
struct BezTriple *bezt;
PyObject *l = PyList_New (0);
int i;
for (i = 0; i < self->ipocurve->totvert; i++)
{
bezt = self->ipocurve->bezt + i;
PyList_Append (l, BezTriple_CreatePyObject (bezt));
}
return 0;
}
/*****************************************************************************/
/* Function: IpoCurveGetAttr */
/* Description: This is a callback function for the C_IpoCurve type. It is */
/* the function that accesses C_IpoCurve "member variables" and */
/* methods. */
/*****************************************************************************/
static PyObject *
IpoCurveGetAttr (C_IpoCurve * self, char *name)
{
if (strcmp (name, "bezierPoints") == 0)
return IpoCurve_getPoints (self);
if (strcmp (name, "name") == 0)
return IpoCurve_getName (self);
return Py_FindMethod (C_IpoCurve_methods, (PyObject *) self, name);
}
/*****************************************************************************/
/* Function: IpoCurveSetAttr */
/* Description: This is a callback function for the C_IpoCurve type. It is the */
/* function that sets IpoCurve Data attributes (member variables).*/
/*****************************************************************************/
static int
IpoCurveSetAttr (C_IpoCurve * self, char *name, PyObject * value)
{
if (strcmp (name, "bezierPoints") == 0)
return IpoCurve_setPoints (self, value);
return 0; /* normal exit */
}
/*****************************************************************************/
/* Function: IpoCurveRepr */
/* Description: This is a callback function for the C_IpoCurve type. It */
/* builds a meaninful string to represent ipo objects. */
/*****************************************************************************/
static PyObject *
IpoCurveRepr (C_IpoCurve * self)
{
void GetIpoCurveName (IpoCurve * icu, char *s);
char s[100], s1[100];
GetIpoCurveName (self->ipocurve, s1);
sprintf (s, "IpoCurve %s \n", s1);
return PyString_FromString (s);
}
/* Three Python IpoCurve_Type helper functions needed by the Object module: */
/*****************************************************************************/
/* Function: IpoCurve_CreatePyObject */
/* Description: This function will create a new C_IpoCurve from an existing */
/* Blender ipo structure. *//*****************************************************************************/
PyObject *
IpoCurve_CreatePyObject (IpoCurve * ipo)
{
C_IpoCurve *pyipo;
pyipo = (C_IpoCurve *) PyObject_NEW (C_IpoCurve, &IpoCurve_Type);
if (!pyipo)
return EXPP_ReturnPyObjError (PyExc_MemoryError,
"couldn't create C_IpoCurve object");
pyipo->ipocurve = ipo;
return (PyObject *) pyipo;
}
/*****************************************************************************/
/* Function: IpoCurve_CheckPyObject */
/* Description: This function returns true when the given PyObject is of the */
/* type IpoCurve. Otherwise it will return false. */
/*****************************************************************************/
int
IpoCurve_CheckPyObject (PyObject * pyobj)
{
return (pyobj->ob_type == &IpoCurve_Type);
}
/*****************************************************************************/
/* Function: IpoCurve_FromPyObject */
/* Description: This function returns the Blender ipo from the given */
/* PyObject. */
/*****************************************************************************/
IpoCurve *
IpoCurve_FromPyObject (PyObject * pyobj)
{
return ((C_IpoCurve *) pyobj)->ipocurve;
}