mirror of
https://github.com/worldforge/cyphesis
synced 2026-08-13 12:26:04 -04:00
81 lines
2.5 KiB
C++
81 lines
2.5 KiB
C++
// Cyphesis Online RPG Server and AI Engine
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// Copyright (C) 2005 Alistair Riddoch
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//
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// This program is free software; you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation; either version 2 of the License, or
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// (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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#include <Python.h>
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#include "PythonArithmeticScript.h"
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#include "common/log.h"
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#include "common/compose.hpp"
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#include <iostream>
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/// \brief PythonArithmeticScript
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///
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/// @param script Python instance object implementing the script
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PythonArithmeticScript::PythonArithmeticScript(PyObject * script) :
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m_script(script)
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{
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}
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PythonArithmeticScript::~PythonArithmeticScript()
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{
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if (m_script->ob_refcnt != 1) {
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log(WARNING, String::compose("Deleting arithmetic script with %1 > 1 refs to its script", m_script->ob_refcnt));
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}
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Py_DECREF(m_script);
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}
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int PythonArithmeticScript::attribute(const std::string & name, float & val)
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{
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PyObject * pn = PyUnicode_FromString(name.c_str());
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PyObject * ret = PyObject_GenericGetAttr(m_script, pn);
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Py_DECREF(pn);
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if (ret == nullptr) {
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if (PyErr_Occurred() == nullptr) {
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// std::cout << "No attribute method" << std::endl << std::flush;
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} else {
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log(ERROR, "Reporting python error");
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PyErr_Print();
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}
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return -1;
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}
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if (PyFloat_Check(ret)) {
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val = PyFloat_AsDouble(ret);
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} else if (PyLong_Check(ret)) {
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val = PyLong_AsLong(ret);
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} else if (ret == Py_None) {
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return -1;
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} else {
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log(ERROR, "Invalid response from script");
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return -1;
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}
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return 0;
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}
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void PythonArithmeticScript::set(const std::string & name, const float & val)
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{
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PyObject * pn = PyUnicode_FromString(name.c_str());
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PyObject * py_val = PyFloat_FromDouble(val);
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if (PyObject_GenericSetAttr(m_script, pn, py_val) == 0) {
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// PyObject_GenericSetAttr sets and error if nothing was found
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PyErr_Clear();
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}
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Py_DECREF(pn);
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Py_DECREF(py_val);
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}
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