761 lines
22 KiB
C
761 lines
22 KiB
C
/*
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* ***** BEGIN GPL LICENSE BLOCK *****
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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* Contributor(s): Joseph Gilbert
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*
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* ***** END GPL LICENSE BLOCK *****
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*/
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/** \file blender/python/mathutils/mathutils_Euler.c
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* \ingroup pymathutils
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*/
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#include <Python.h>
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#include "mathutils.h"
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#include "BLI_math.h"
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#include "BLI_utildefines.h"
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#ifndef MATH_STANDALONE
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# include "BLI_dynstr.h"
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#endif
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#define EULER_SIZE 3
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/* ----------------------------------mathutils.Euler() ------------------- */
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/* makes a new euler for you to play with */
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static PyObject *Euler_new(PyTypeObject *type, PyObject *args, PyObject *kwds)
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{
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PyObject *seq = NULL;
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const char *order_str = NULL;
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float eul[EULER_SIZE] = {0.0f, 0.0f, 0.0f};
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short order = EULER_ORDER_XYZ;
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if (kwds && PyDict_Size(kwds)) {
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PyErr_SetString(PyExc_TypeError,
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"mathutils.Euler(): "
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"takes no keyword args");
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return NULL;
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}
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if (!PyArg_ParseTuple(args, "|Os:mathutils.Euler", &seq, &order_str))
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return NULL;
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switch (PyTuple_GET_SIZE(args)) {
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case 0:
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break;
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case 2:
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if ((order = euler_order_from_string(order_str, "mathutils.Euler()")) == -1)
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return NULL;
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/* fall-through */
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case 1:
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if (mathutils_array_parse(eul, EULER_SIZE, EULER_SIZE, seq, "mathutils.Euler()") == -1)
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return NULL;
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break;
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}
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return Euler_CreatePyObject(eul, order, Py_NEW, type);
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}
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/* internal use, assume read callback is done */
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static const char *euler_order_str(EulerObject *self)
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{
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static const char order[][4] = {"XYZ", "XZY", "YXZ", "YZX", "ZXY", "ZYX"};
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return order[self->order - EULER_ORDER_XYZ];
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}
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short euler_order_from_string(const char *str, const char *error_prefix)
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{
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if ((str[0] && str[1] && str[2] && str[3] == '\0')) {
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switch (*((PY_INT32_T *)str)) {
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case 'X' | 'Y' << 8 | 'Z' << 16: return EULER_ORDER_XYZ;
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case 'X' | 'Z' << 8 | 'Y' << 16: return EULER_ORDER_XZY;
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case 'Y' | 'X' << 8 | 'Z' << 16: return EULER_ORDER_YXZ;
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case 'Y' | 'Z' << 8 | 'X' << 16: return EULER_ORDER_YZX;
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case 'Z' | 'X' << 8 | 'Y' << 16: return EULER_ORDER_ZXY;
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case 'Z' | 'Y' << 8 | 'X' << 16: return EULER_ORDER_ZYX;
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}
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}
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PyErr_Format(PyExc_ValueError,
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"%s: invalid euler order '%s'",
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error_prefix, str);
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return -1;
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}
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/* note: BaseMath_ReadCallback must be called beforehand */
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static PyObject *Euler_ToTupleExt(EulerObject *self, int ndigits)
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{
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PyObject *ret;
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int i;
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ret = PyTuple_New(EULER_SIZE);
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if (ndigits >= 0) {
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for (i = 0; i < EULER_SIZE; i++) {
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PyTuple_SET_ITEM(ret, i, PyFloat_FromDouble(double_round((double)self->eul[i], ndigits)));
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}
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}
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else {
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for (i = 0; i < EULER_SIZE; i++) {
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PyTuple_SET_ITEM(ret, i, PyFloat_FromDouble(self->eul[i]));
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}
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}
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return ret;
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}
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/* -----------------------------METHODS----------------------------
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* return a quaternion representation of the euler */
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PyDoc_STRVAR(Euler_to_quaternion_doc,
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".. method:: to_quaternion()\n"
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"\n"
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" Return a quaternion representation of the euler.\n"
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"\n"
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" :return: Quaternion representation of the euler.\n"
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" :rtype: :class:`Quaternion`\n"
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);
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static PyObject *Euler_to_quaternion(EulerObject *self)
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{
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float quat[4];
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if (BaseMath_ReadCallback(self) == -1)
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return NULL;
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eulO_to_quat(quat, self->eul, self->order);
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return Quaternion_CreatePyObject(quat, Py_NEW, NULL);
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}
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/* return a matrix representation of the euler */
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PyDoc_STRVAR(Euler_to_matrix_doc,
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".. method:: to_matrix()\n"
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"\n"
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" Return a matrix representation of the euler.\n"
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"\n"
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" :return: A 3x3 roation matrix representation of the euler.\n"
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" :rtype: :class:`Matrix`\n"
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);
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static PyObject *Euler_to_matrix(EulerObject *self)
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{
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float mat[9];
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if (BaseMath_ReadCallback(self) == -1)
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return NULL;
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eulO_to_mat3((float (*)[3])mat, self->eul, self->order);
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return Matrix_CreatePyObject(mat, 3, 3, Py_NEW, NULL);
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}
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PyDoc_STRVAR(Euler_zero_doc,
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".. method:: zero()\n"
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"\n"
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" Set all values to zero.\n"
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);
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static PyObject *Euler_zero(EulerObject *self)
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{
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zero_v3(self->eul);
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if (BaseMath_WriteCallback(self) == -1)
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return NULL;
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Py_RETURN_NONE;
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}
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PyDoc_STRVAR(Euler_rotate_axis_doc,
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".. method:: rotate_axis(axis, angle)\n"
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"\n"
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" Rotates the euler a certain amount and returning a unique euler rotation\n"
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" (no 720 degree pitches).\n"
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"\n"
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" :arg axis: single character in ['X, 'Y', 'Z'].\n"
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" :type axis: string\n"
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" :arg angle: angle in radians.\n"
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" :type angle: float\n"
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);
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static PyObject *Euler_rotate_axis(EulerObject *self, PyObject *args)
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{
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float angle = 0.0f;
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int axis; /* actually a character */
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if (!PyArg_ParseTuple(args, "Cf:rotate_axis", &axis, &angle)) {
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PyErr_SetString(PyExc_TypeError,
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"Euler.rotate_axis(): "
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"expected an axis 'X', 'Y', 'Z' and an angle (float)");
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return NULL;
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}
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if (!(ELEM3(axis, 'X', 'Y', 'Z'))) {
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PyErr_SetString(PyExc_ValueError,
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"Euler.rotate_axis(): "
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"expected axis to be 'X', 'Y' or 'Z'");
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return NULL;
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}
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if (BaseMath_ReadCallback(self) == -1)
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return NULL;
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rotate_eulO(self->eul, self->order, (char)axis, angle);
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(void)BaseMath_WriteCallback(self);
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Py_RETURN_NONE;
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}
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PyDoc_STRVAR(Euler_rotate_doc,
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".. method:: rotate(other)\n"
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"\n"
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" Rotates the euler a by another mathutils value.\n"
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"\n"
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" :arg other: rotation component of mathutils value\n"
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" :type other: :class:`Euler`, :class:`Quaternion` or :class:`Matrix`\n"
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);
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static PyObject *Euler_rotate(EulerObject *self, PyObject *value)
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{
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float self_rmat[3][3], other_rmat[3][3], rmat[3][3];
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if (BaseMath_ReadCallback(self) == -1)
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return NULL;
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if (mathutils_any_to_rotmat(other_rmat, value, "euler.rotate(value)") == -1)
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return NULL;
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eulO_to_mat3(self_rmat, self->eul, self->order);
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mul_m3_m3m3(rmat, other_rmat, self_rmat);
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mat3_to_compatible_eulO(self->eul, self->eul, self->order, rmat);
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(void)BaseMath_WriteCallback(self);
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Py_RETURN_NONE;
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}
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PyDoc_STRVAR(Euler_make_compatible_doc,
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".. method:: make_compatible(other)\n"
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"\n"
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" Make this euler compatible with another,\n"
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" so interpolating between them works as intended.\n"
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"\n"
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" .. note:: the rotation order is not taken into account for this function.\n"
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);
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static PyObject *Euler_make_compatible(EulerObject *self, PyObject *value)
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{
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float teul[EULER_SIZE];
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if (BaseMath_ReadCallback(self) == -1)
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return NULL;
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if (mathutils_array_parse(teul, EULER_SIZE, EULER_SIZE, value,
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"euler.make_compatible(other), invalid 'other' arg") == -1)
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{
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return NULL;
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}
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compatible_eul(self->eul, teul);
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(void)BaseMath_WriteCallback(self);
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Py_RETURN_NONE;
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}
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/* ----------------------------Euler.rotate()-----------------------
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* return a copy of the euler */
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PyDoc_STRVAR(Euler_copy_doc,
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".. function:: copy()\n"
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"\n"
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" Returns a copy of this euler.\n"
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"\n"
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" :return: A copy of the euler.\n"
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" :rtype: :class:`Euler`\n"
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"\n"
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" .. note:: use this to get a copy of a wrapped euler with\n"
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" no reference to the original data.\n"
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);
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static PyObject *Euler_copy(EulerObject *self)
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{
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if (BaseMath_ReadCallback(self) == -1)
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return NULL;
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return Euler_CreatePyObject(self->eul, self->order, Py_NEW, Py_TYPE(self));
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}
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static PyObject *Euler_deepcopy(EulerObject *self, PyObject *args)
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{
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if (!mathutils_deepcopy_args_check(args))
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return NULL;
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return Euler_copy(self);
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}
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/* ----------------------------print object (internal)--------------
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* print the object to screen */
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static PyObject *Euler_repr(EulerObject *self)
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{
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PyObject *ret, *tuple;
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if (BaseMath_ReadCallback(self) == -1)
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return NULL;
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tuple = Euler_ToTupleExt(self, -1);
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ret = PyUnicode_FromFormat("Euler(%R, '%s')", tuple, euler_order_str(self));
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Py_DECREF(tuple);
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return ret;
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}
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#ifndef MATH_STANDALONE
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static PyObject *Euler_str(EulerObject *self)
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{
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DynStr *ds;
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if (BaseMath_ReadCallback(self) == -1)
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return NULL;
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ds = BLI_dynstr_new();
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BLI_dynstr_appendf(ds, "<Euler (x=%.4f, y=%.4f, z=%.4f), order='%s'>",
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self->eul[0], self->eul[1], self->eul[2], euler_order_str(self));
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return mathutils_dynstr_to_py(ds); /* frees ds */
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}
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#endif
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static PyObject *Euler_richcmpr(PyObject *a, PyObject *b, int op)
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{
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PyObject *res;
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int ok = -1; /* zero is true */
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if (EulerObject_Check(a) && EulerObject_Check(b)) {
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EulerObject *eulA = (EulerObject *)a;
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EulerObject *eulB = (EulerObject *)b;
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if (BaseMath_ReadCallback(eulA) == -1 || BaseMath_ReadCallback(eulB) == -1)
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return NULL;
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ok = ((eulA->order == eulB->order) && EXPP_VectorsAreEqual(eulA->eul, eulB->eul, EULER_SIZE, 1)) ? 0 : -1;
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}
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switch (op) {
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case Py_NE:
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ok = !ok;
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/* fall-through */
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case Py_EQ:
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res = ok ? Py_False : Py_True;
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break;
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case Py_LT:
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case Py_LE:
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case Py_GT:
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case Py_GE:
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res = Py_NotImplemented;
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break;
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default:
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PyErr_BadArgument();
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return NULL;
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}
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return Py_INCREF(res), res;
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}
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/* ---------------------SEQUENCE PROTOCOLS------------------------ */
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/* ----------------------------len(object)------------------------ */
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/* sequence length */
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static int Euler_len(EulerObject *UNUSED(self))
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{
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return EULER_SIZE;
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}
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/* ----------------------------object[]--------------------------- */
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/* sequence accessor (get) */
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static PyObject *Euler_item(EulerObject *self, int i)
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{
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if (i < 0) i = EULER_SIZE - i;
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if (i < 0 || i >= EULER_SIZE) {
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PyErr_SetString(PyExc_IndexError,
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"euler[attribute]: "
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"array index out of range");
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return NULL;
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}
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if (BaseMath_ReadIndexCallback(self, i) == -1)
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return NULL;
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return PyFloat_FromDouble(self->eul[i]);
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}
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/* ----------------------------object[]------------------------- */
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/* sequence accessor (set) */
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static int Euler_ass_item(EulerObject *self, int i, PyObject *value)
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{
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float f = PyFloat_AsDouble(value);
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if (f == -1 && PyErr_Occurred()) { /* parsed item not a number */
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PyErr_SetString(PyExc_TypeError,
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"euler[attribute] = x: "
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"assigned value not a number");
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return -1;
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}
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if (i < 0) i = EULER_SIZE - i;
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if (i < 0 || i >= EULER_SIZE) {
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PyErr_SetString(PyExc_IndexError,
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"euler[attribute] = x: "
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"array assignment index out of range");
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return -1;
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}
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self->eul[i] = f;
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if (BaseMath_WriteIndexCallback(self, i) == -1)
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return -1;
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return 0;
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}
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/* ----------------------------object[z:y]------------------------ */
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/* sequence slice (get) */
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static PyObject *Euler_slice(EulerObject *self, int begin, int end)
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{
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PyObject *tuple;
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int count;
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if (BaseMath_ReadCallback(self) == -1)
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return NULL;
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CLAMP(begin, 0, EULER_SIZE);
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if (end < 0) end = (EULER_SIZE + 1) + end;
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CLAMP(end, 0, EULER_SIZE);
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begin = MIN2(begin, end);
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tuple = PyTuple_New(end - begin);
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for (count = begin; count < end; count++) {
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PyTuple_SET_ITEM(tuple, count - begin, PyFloat_FromDouble(self->eul[count]));
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}
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return tuple;
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}
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/* ----------------------------object[z:y]------------------------ */
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/* sequence slice (set) */
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static int Euler_ass_slice(EulerObject *self, int begin, int end, PyObject *seq)
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{
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int i, size;
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float eul[EULER_SIZE];
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if (BaseMath_ReadCallback(self) == -1)
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return -1;
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CLAMP(begin, 0, EULER_SIZE);
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if (end < 0) end = (EULER_SIZE + 1) + end;
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CLAMP(end, 0, EULER_SIZE);
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begin = MIN2(begin, end);
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if ((size = mathutils_array_parse(eul, 0, EULER_SIZE, seq, "mathutils.Euler[begin:end] = []")) == -1)
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return -1;
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if (size != (end - begin)) {
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PyErr_SetString(PyExc_ValueError,
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"euler[begin:end] = []: "
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"size mismatch in slice assignment");
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return -1;
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}
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for (i = 0; i < EULER_SIZE; i++)
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self->eul[begin + i] = eul[i];
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(void)BaseMath_WriteCallback(self);
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return 0;
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}
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static PyObject *Euler_subscript(EulerObject *self, PyObject *item)
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{
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if (PyIndex_Check(item)) {
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Py_ssize_t i;
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i = PyNumber_AsSsize_t(item, PyExc_IndexError);
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if (i == -1 && PyErr_Occurred())
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return NULL;
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if (i < 0)
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i += EULER_SIZE;
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return Euler_item(self, i);
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}
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else if (PySlice_Check(item)) {
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Py_ssize_t start, stop, step, slicelength;
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if (PySlice_GetIndicesEx(item, EULER_SIZE, &start, &stop, &step, &slicelength) < 0)
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return NULL;
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if (slicelength <= 0) {
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return PyTuple_New(0);
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}
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else if (step == 1) {
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return Euler_slice(self, start, stop);
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}
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else {
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PyErr_SetString(PyExc_IndexError,
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"slice steps not supported with eulers");
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return NULL;
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}
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}
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else {
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PyErr_Format(PyExc_TypeError,
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"euler indices must be integers, not %.200s",
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|
Py_TYPE(item)->tp_name);
|
|
return NULL;
|
|
}
|
|
}
|
|
|
|
|
|
static int Euler_ass_subscript(EulerObject *self, PyObject *item, PyObject *value)
|
|
{
|
|
if (PyIndex_Check(item)) {
|
|
Py_ssize_t i = PyNumber_AsSsize_t(item, PyExc_IndexError);
|
|
if (i == -1 && PyErr_Occurred())
|
|
return -1;
|
|
if (i < 0)
|
|
i += EULER_SIZE;
|
|
return Euler_ass_item(self, i, value);
|
|
}
|
|
else if (PySlice_Check(item)) {
|
|
Py_ssize_t start, stop, step, slicelength;
|
|
|
|
if (PySlice_GetIndicesEx(item, EULER_SIZE, &start, &stop, &step, &slicelength) < 0)
|
|
return -1;
|
|
|
|
if (step == 1)
|
|
return Euler_ass_slice(self, start, stop, value);
|
|
else {
|
|
PyErr_SetString(PyExc_IndexError,
|
|
"slice steps not supported with euler");
|
|
return -1;
|
|
}
|
|
}
|
|
else {
|
|
PyErr_Format(PyExc_TypeError,
|
|
"euler indices must be integers, not %.200s",
|
|
Py_TYPE(item)->tp_name);
|
|
return -1;
|
|
}
|
|
}
|
|
|
|
/* -----------------PROTCOL DECLARATIONS-------------------------- */
|
|
static PySequenceMethods Euler_SeqMethods = {
|
|
(lenfunc) Euler_len, /* sq_length */
|
|
(binaryfunc) NULL, /* sq_concat */
|
|
(ssizeargfunc) NULL, /* sq_repeat */
|
|
(ssizeargfunc) Euler_item, /* sq_item */
|
|
(ssizessizeargfunc) NULL, /* sq_slice, deprecated */
|
|
(ssizeobjargproc) Euler_ass_item, /* sq_ass_item */
|
|
(ssizessizeobjargproc) NULL, /* sq_ass_slice, deprecated */
|
|
(objobjproc) NULL, /* sq_contains */
|
|
(binaryfunc) NULL, /* sq_inplace_concat */
|
|
(ssizeargfunc) NULL, /* sq_inplace_repeat */
|
|
};
|
|
|
|
static PyMappingMethods Euler_AsMapping = {
|
|
(lenfunc)Euler_len,
|
|
(binaryfunc)Euler_subscript,
|
|
(objobjargproc)Euler_ass_subscript
|
|
};
|
|
|
|
/* euler axis, euler.x/y/z */
|
|
|
|
PyDoc_STRVAR(Euler_axis_doc,
|
|
"Euler axis angle in radians.\n\n:type: float"
|
|
);
|
|
static PyObject *Euler_axis_get(EulerObject *self, void *type)
|
|
{
|
|
return Euler_item(self, GET_INT_FROM_POINTER(type));
|
|
}
|
|
|
|
static int Euler_axis_set(EulerObject *self, PyObject *value, void *type)
|
|
{
|
|
return Euler_ass_item(self, GET_INT_FROM_POINTER(type), value);
|
|
}
|
|
|
|
/* rotation order */
|
|
|
|
PyDoc_STRVAR(Euler_order_doc,
|
|
"Euler rotation order.\n\n:type: string in ['XYZ', 'XZY', 'YXZ', 'YZX', 'ZXY', 'ZYX']"
|
|
);
|
|
static PyObject *Euler_order_get(EulerObject *self, void *UNUSED(closure))
|
|
{
|
|
if (BaseMath_ReadCallback(self) == -1) /* can read order too */
|
|
return NULL;
|
|
|
|
return PyUnicode_FromString(euler_order_str(self));
|
|
}
|
|
|
|
static int Euler_order_set(EulerObject *self, PyObject *value, void *UNUSED(closure))
|
|
{
|
|
const char *order_str = _PyUnicode_AsString(value);
|
|
short order = euler_order_from_string(order_str, "euler.order");
|
|
|
|
if (order == -1)
|
|
return -1;
|
|
|
|
self->order = order;
|
|
(void)BaseMath_WriteCallback(self); /* order can be written back */
|
|
return 0;
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
/* Python attributes get/set structure: */
|
|
/*****************************************************************************/
|
|
static PyGetSetDef Euler_getseters[] = {
|
|
{(char *)"x", (getter)Euler_axis_get, (setter)Euler_axis_set, Euler_axis_doc, (void *)0},
|
|
{(char *)"y", (getter)Euler_axis_get, (setter)Euler_axis_set, Euler_axis_doc, (void *)1},
|
|
{(char *)"z", (getter)Euler_axis_get, (setter)Euler_axis_set, Euler_axis_doc, (void *)2},
|
|
{(char *)"order", (getter)Euler_order_get, (setter)Euler_order_set, Euler_order_doc, (void *)NULL},
|
|
|
|
{(char *)"is_wrapped", (getter)BaseMathObject_is_wrapped_get, (setter)NULL, BaseMathObject_is_wrapped_doc, NULL},
|
|
{(char *)"owner", (getter)BaseMathObject_owner_get, (setter)NULL, BaseMathObject_owner_doc, NULL},
|
|
{NULL, NULL, NULL, NULL, NULL} /* Sentinel */
|
|
};
|
|
|
|
|
|
/* -----------------------METHOD DEFINITIONS ---------------------- */
|
|
static struct PyMethodDef Euler_methods[] = {
|
|
{"zero", (PyCFunction) Euler_zero, METH_NOARGS, Euler_zero_doc},
|
|
{"to_matrix", (PyCFunction) Euler_to_matrix, METH_NOARGS, Euler_to_matrix_doc},
|
|
{"to_quaternion", (PyCFunction) Euler_to_quaternion, METH_NOARGS, Euler_to_quaternion_doc},
|
|
{"rotate_axis", (PyCFunction) Euler_rotate_axis, METH_VARARGS, Euler_rotate_axis_doc},
|
|
{"rotate", (PyCFunction) Euler_rotate, METH_O, Euler_rotate_doc},
|
|
{"make_compatible", (PyCFunction) Euler_make_compatible, METH_O, Euler_make_compatible_doc},
|
|
{"copy", (PyCFunction) Euler_copy, METH_NOARGS, Euler_copy_doc},
|
|
{"__copy__", (PyCFunction) Euler_copy, METH_NOARGS, Euler_copy_doc},
|
|
{"__deepcopy__", (PyCFunction) Euler_deepcopy, METH_VARARGS, Euler_copy_doc},
|
|
{NULL, NULL, 0, NULL}
|
|
};
|
|
|
|
/* ------------------PY_OBECT DEFINITION-------------------------- */
|
|
PyDoc_STRVAR(euler_doc,
|
|
"This object gives access to Eulers in Blender."
|
|
);
|
|
PyTypeObject euler_Type = {
|
|
PyVarObject_HEAD_INIT(NULL, 0)
|
|
"Euler", /* tp_name */
|
|
sizeof(EulerObject), /* tp_basicsize */
|
|
0, /* tp_itemsize */
|
|
(destructor)BaseMathObject_dealloc, /* tp_dealloc */
|
|
NULL, /* tp_print */
|
|
NULL, /* tp_getattr */
|
|
NULL, /* tp_setattr */
|
|
NULL, /* tp_compare */
|
|
(reprfunc) Euler_repr, /* tp_repr */
|
|
NULL, /* tp_as_number */
|
|
&Euler_SeqMethods, /* tp_as_sequence */
|
|
&Euler_AsMapping, /* tp_as_mapping */
|
|
NULL, /* tp_hash */
|
|
NULL, /* tp_call */
|
|
#ifndef MATH_STANDALONE
|
|
(reprfunc) Euler_str, /* tp_str */
|
|
#else
|
|
NULL, /* tp_str */
|
|
#endif
|
|
NULL, /* tp_getattro */
|
|
NULL, /* tp_setattro */
|
|
NULL, /* tp_as_buffer */
|
|
Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE | Py_TPFLAGS_HAVE_GC, /* tp_flags */
|
|
euler_doc, /* tp_doc */
|
|
(traverseproc)BaseMathObject_traverse, /* tp_traverse */
|
|
(inquiry)BaseMathObject_clear, /* tp_clear */
|
|
(richcmpfunc)Euler_richcmpr, /* tp_richcompare */
|
|
0, /* tp_weaklistoffset */
|
|
NULL, /* tp_iter */
|
|
NULL, /* tp_iternext */
|
|
Euler_methods, /* tp_methods */
|
|
NULL, /* tp_members */
|
|
Euler_getseters, /* tp_getset */
|
|
NULL, /* tp_base */
|
|
NULL, /* tp_dict */
|
|
NULL, /* tp_descr_get */
|
|
NULL, /* tp_descr_set */
|
|
0, /* tp_dictoffset */
|
|
NULL, /* tp_init */
|
|
NULL, /* tp_alloc */
|
|
Euler_new, /* tp_new */
|
|
NULL, /* tp_free */
|
|
NULL, /* tp_is_gc */
|
|
NULL, /* tp_bases */
|
|
NULL, /* tp_mro */
|
|
NULL, /* tp_cache */
|
|
NULL, /* tp_subclasses */
|
|
NULL, /* tp_weaklist */
|
|
NULL /* tp_del */
|
|
};
|
|
/* ------------------------Euler_CreatePyObject (internal)------------- */
|
|
/* creates a new euler object */
|
|
/* pass Py_WRAP - if vector is a WRAPPER for data allocated by BLENDER
|
|
* (i.e. it was allocated elsewhere by MEM_mallocN())
|
|
* pass Py_NEW - if vector is not a WRAPPER and managed by PYTHON
|
|
* (i.e. it must be created here with PyMEM_malloc())*/
|
|
PyObject *Euler_CreatePyObject(float eul[3], const short order, int type, PyTypeObject *base_type)
|
|
{
|
|
EulerObject *self;
|
|
|
|
self = base_type ? (EulerObject *)base_type->tp_alloc(base_type, 0) :
|
|
(EulerObject *)PyObject_GC_New(EulerObject, &euler_Type);
|
|
|
|
if (self) {
|
|
/* init callbacks as NULL */
|
|
self->cb_user = NULL;
|
|
self->cb_type = self->cb_subtype = 0;
|
|
|
|
if (type == Py_WRAP) {
|
|
self->eul = eul;
|
|
self->wrapped = Py_WRAP;
|
|
}
|
|
else if (type == Py_NEW) {
|
|
self->eul = PyMem_Malloc(EULER_SIZE * sizeof(float));
|
|
if (eul) {
|
|
copy_v3_v3(self->eul, eul);
|
|
}
|
|
else {
|
|
zero_v3(self->eul);
|
|
}
|
|
|
|
self->wrapped = Py_NEW;
|
|
}
|
|
else {
|
|
Py_FatalError("Euler(): invalid type!");
|
|
}
|
|
|
|
self->order = order;
|
|
}
|
|
|
|
return (PyObject *)self;
|
|
}
|
|
|
|
PyObject *Euler_CreatePyObject_cb(PyObject *cb_user, const short order,
|
|
unsigned char cb_type, unsigned char cb_subtype)
|
|
{
|
|
EulerObject *self = (EulerObject *)Euler_CreatePyObject(NULL, order, Py_NEW, NULL);
|
|
if (self) {
|
|
Py_INCREF(cb_user);
|
|
self->cb_user = cb_user;
|
|
self->cb_type = cb_type;
|
|
self->cb_subtype = cb_subtype;
|
|
PyObject_GC_Track(self);
|
|
}
|
|
|
|
return (PyObject *)self;
|
|
}
|