KX_ConstraintWrapper.cpp

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/*
 * ***** 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 *****
 */

#include "PyObjectPlus.h"
#include "KX_ConstraintWrapper.h"
#include "PHY_IPhysicsEnvironment.h"

KX_ConstraintWrapper::KX_ConstraintWrapper(
                        PHY_ConstraintType ctype,
                        int constraintId,
                        PHY_IPhysicsEnvironment* physenv) :
        PyObjectPlus(),
        m_constraintId(constraintId),
        m_constraintType(ctype),
        m_physenv(physenv)
{
}
KX_ConstraintWrapper::~KX_ConstraintWrapper()
{
}

#ifdef WITH_PYTHON

PyObject* KX_ConstraintWrapper::PyGetConstraintId()
{
    return PyLong_FromSsize_t(m_constraintId);
}


PyObject* KX_ConstraintWrapper::PyGetParam(PyObject* args, PyObject* kwds)
{
    int dof;
    float value;
    
    if (!PyArg_ParseTuple(args,"i:getParam",&dof))
        return NULL;
    
    value = m_physenv->getConstraintParam(m_constraintId,dof);
    return PyFloat_FromDouble(value);
    
}

PyObject* KX_ConstraintWrapper::PySetParam(PyObject* args, PyObject* kwds)
{
    int dof;
    float minLimit,maxLimit;
    
    if (!PyArg_ParseTuple(args,"iff:setParam",&dof,&minLimit,&maxLimit))
        return NULL;
    
    m_physenv->setConstraintParam(m_constraintId,dof,minLimit,maxLimit);
    Py_RETURN_NONE;
}


//python specific stuff
PyTypeObject KX_ConstraintWrapper::Type = {
    PyVarObject_HEAD_INIT(NULL, 0)
    "KX_ConstraintWrapper",
    sizeof(PyObjectPlus_Proxy),
    0,
    py_base_dealloc,
    0,
    0,
    0,
    0,
    py_base_repr,
    0,0,0,0,0,0,0,0,0,
    Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE,
    0,0,0,0,0,0,0,
    Methods,
    0,
    0,
    &PyObjectPlus::Type,
    0,0,0,0,0,0,
    py_base_new
};

PyMethodDef KX_ConstraintWrapper::Methods[] = {
    {"getConstraintId",(PyCFunction) KX_ConstraintWrapper::sPyGetConstraintId, METH_NOARGS},
    {"setParam",(PyCFunction) KX_ConstraintWrapper::sPySetParam, METH_VARARGS},
    {"getParam",(PyCFunction) KX_ConstraintWrapper::sPyGetParam, METH_VARARGS},
    {NULL,NULL} //Sentinel
};

PyAttributeDef KX_ConstraintWrapper::Attributes[] = {
    KX_PYATTRIBUTE_RO_FUNCTION("constraint_id", KX_ConstraintWrapper, pyattr_get_constraintId),
    { NULL }    //Sentinel
};

PyObject* KX_ConstraintWrapper::pyattr_get_constraintId(void *self_v, const KX_PYATTRIBUTE_DEF *attrdef)
{
    KX_ConstraintWrapper* self= static_cast<KX_ConstraintWrapper*>(self_v);
    return self->PyGetConstraintId();
}

#endif // WITH_PYTHON