open_toontown_panda3d/panda/src/ode/odeSpace_ext.cxx

111 lines
2.9 KiB
C++

/**
* PANDA 3D SOFTWARE
* Copyright (c) Carnegie Mellon University. All rights reserved.
*
* All use of this software is subject to the terms of the revised BSD
* license. You should have received a copy of this license along
* with this source code in a file named "LICENSE."
*
* @file odeSpace_ext.cxx
* @author rdb
* @date 2013-12-10
*/
#include "odeSpace_ext.h"
#include "config_ode.h"
#ifdef HAVE_PYTHON
#include "odeGeom.h"
#include "odeHashSpace.h"
#include "odeSimpleSpace.h"
#include "odeSpace.h"
#include "odeQuadTreeSpace.h"
#ifndef CPPPARSER
extern Dtool_PyTypedObject Dtool_OdeHashSpace;
extern Dtool_PyTypedObject Dtool_OdeSimpleSpace;
extern Dtool_PyTypedObject Dtool_OdeSpace;
extern Dtool_PyTypedObject Dtool_OdeQuadTreeSpace;
#endif
PyObject *Extension<OdeSpace>::_python_callback = NULL;
/**
* Do a sort of pseudo-downcast on this space in order to expose its
* specialized functions.
*/
PyObject *Extension<OdeSpace>::
convert() const {
Dtool_PyTypedObject *class_type;
OdeSpace *space;
switch (_this->get_class()) {
case OdeGeom::GC_simple_space:
space = new OdeSimpleSpace(_this->get_id());
class_type = &Dtool_OdeSimpleSpace;
break;
case OdeGeom::GC_hash_space:
space = new OdeHashSpace(_this->get_id());
class_type = &Dtool_OdeHashSpace;
break;
case OdeGeom::GC_quad_tree_space:
space = new OdeQuadTreeSpace(_this->get_id());
class_type = &Dtool_OdeQuadTreeSpace;
break;
default:
// This shouldn't happen, but if it does, we should just return a regular
// OdeSpace.
space = new OdeSpace(_this->get_id());
class_type = &Dtool_OdeSpace;
}
return DTool_CreatePyInstanceTyped((void *)space, *class_type,
true, false, space->get_type_index());
}
int Extension<OdeSpace>::
collide(PyObject* arg, PyObject* callback) {
nassertr(callback != NULL, -1);
if (!PyCallable_Check(callback)) {
PyErr_Format(PyExc_TypeError, "'%s' object is not callable", callback->ob_type->tp_name);
return -1;
} else if (_this->get_id() == NULL) {
// Well, while we're in the mood of python exceptions, let's make this one
// too.
PyErr_Format(PyExc_TypeError, "OdeSpace is not valid!");
return -1;
} else {
_python_callback = (PyObject*) callback;
Py_XINCREF(_python_callback);
dSpaceCollide(_this->get_id(), (void*) arg, &near_callback);
Py_XDECREF(_python_callback);
return 0;
}
}
void Extension<OdeSpace>::
near_callback(void *data, dGeomID o1, dGeomID o2) {
OdeGeom g1 (o1);
OdeGeom g2 (o2);
PyObject* p1 = invoke_extension(&g1).convert();
PyObject* p2 = invoke_extension(&g2).convert();
PyObject *result = PyObject_CallFunctionObjArgs(_python_callback, (PyObject*) data, p1, p2, NULL);
if (!result) {
odespace_cat.error() << "An error occurred while calling python function!\n";
PyErr_Print();
} else {
Py_DECREF(result);
}
Py_XDECREF(p2);
Py_XDECREF(p1);
}
#endif // HAVE_PYTHON