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/**
* $Id$
*
* ***** 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.
*
* The Original Code is: all of this file.
*
* Contributor(s): none yet.
*
* ***** END GPL/BL DUAL LICENSE BLOCK *****
*/
#include "KX_PyConstraintBinding.h"
#include "PHY_IPhysicsEnvironment.h"
#include "KX_ConstraintWrapper.h"
#include "KX_PhysicsObjectWrapper.h"
#include "PHY_IPhysicsController.h"
// nasty glob variable to connect scripting language
// if there is a better way (without global), please do so!
static PHY_IPhysicsEnvironment* g_physics_env = NULL;
static char PhysicsConstraints_module_documentation[] =
"This is the Python API for the Physics Constraints";
static char gPySetGravity__doc__[] = "setGravity(float x,float y,float z)";
static char gPyCreateConstraint__doc__[] = "createConstraint(ob1,ob2,float restLength,float restitution,float damping)";
static char gPyRemoveConstraint__doc__[] = "removeConstraint(constraint id)";
static PyObject* gPySetGravity(PyObject* self,
PyObject* args,
PyObject* kwds)
{
float x,y,z;
int len = PyTuple_Size(args);
if ((len == 3) && PyArg_ParseTuple(args,"fff",&x,&y,&z))
{
if (g_physics_env)
g_physics_env->setGravity(x,y,z);
}
Py_INCREF(Py_None); return Py_None;
}
static PyObject* gPyCreateConstraint(PyObject* self,
PyObject* args,
PyObject* kwds)
{
int physicsid=0,physicsid2 = 0,constrainttype=0,extrainfo=0;
int len = PyTuple_Size(args);
int success = 1;
float pivotX=1,pivotY=1,pivotZ=1,axisX=0,axisY=0,axisZ=1;
if (len == 3)
{
success = PyArg_ParseTuple(args,"iii",&physicsid,&physicsid2,&constrainttype);
}
else
if (len ==6)
{
success = PyArg_ParseTuple(args,"iiifff",&physicsid,&physicsid2,&constrainttype,
&pivotX,&pivotY,&pivotZ);
}
else if (len == 9)
{
success = PyArg_ParseTuple(args,"iiiffffff",&physicsid,&physicsid2,&constrainttype,
&pivotX,&pivotY,&pivotZ,&axisX,&axisY,&axisZ);
}
else if (len==4)
{
success = PyArg_ParseTuple(args,"iiii",&physicsid,&physicsid2,&constrainttype,&extrainfo);
pivotX=extrainfo;
}
if (success)
{
if (g_physics_env)
{
PHY_IPhysicsController* physctrl = (PHY_IPhysicsController*) physicsid;
PHY_IPhysicsController* physctrl2 = (PHY_IPhysicsController*) physicsid2;
if (physctrl) //TODO:check for existance of this pointer!
{
int constraintid = g_physics_env->createConstraint(physctrl,physctrl2,(enum PHY_ConstraintType)constrainttype,pivotX,pivotY,pivotZ,axisX,axisY,axisZ);
KX_ConstraintWrapper* wrap = new KX_ConstraintWrapper((enum PHY_ConstraintType)constrainttype,constraintid,g_physics_env);
return wrap;
}
}
}
Py_INCREF(Py_None); return Py_None;
}
static PyObject* gPyRemoveConstraint(PyObject* self,
PyObject* args,
PyObject* kwds)
{
int constraintid;
int len = PyTuple_Size(args);
if (PyArg_ParseTuple(args,"i",&constraintid))
{
if (g_physics_env)
{
g_physics_env->removeConstraint(constraintid);
}
}
Py_INCREF(Py_None); return Py_None;
}
static struct PyMethodDef physicsconstraints_methods[] = {
{"setGravity",(PyCFunction) gPySetGravity,
METH_VARARGS, gPySetGravity__doc__},
{"createConstraint",(PyCFunction) gPyCreateConstraint,
METH_VARARGS, gPyCreateConstraint__doc__},
{"removeConstraint",(PyCFunction) gPyRemoveConstraint,
METH_VARARGS, gPyRemoveConstraint__doc__},
//sentinel
{ NULL, (PyCFunction) NULL, 0, NULL }
};
PyObject* initPythonConstraintBinding()
{
PyObject* ErrorObject;
PyObject* m;
PyObject* d;
m = Py_InitModule4("PhysicsConstraints", physicsconstraints_methods,
PhysicsConstraints_module_documentation,
(PyObject*)NULL,PYTHON_API_VERSION);
// Add some symbolic constants to the module
d = PyModule_GetDict(m);
ErrorObject = PyString_FromString("PhysicsConstraints.error");
PyDict_SetItemString(d, "error", ErrorObject);
// XXXX Add constants here
// Check for errors
if (PyErr_Occurred())
{
Py_FatalError("can't initialize module PhysicsConstraints");
}
return d;
}
void KX_RemovePythonConstraintBinding()
{
}
void PHY_SetActiveEnvironment(class PHY_IPhysicsEnvironment* env)
{
g_physics_env = env;
}
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