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// Cyphesis Online RPG Server and AI Engine
// Copyright (C) 2006 Alistair Riddoch
//
// 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
// $Id: ArithmeticFactory.cpp,v 1.6 2007-07-29 03:33:35 alriddoch Exp $
#include "server/ArithmeticFactory.h"
#include "rulesets/PythonArithmeticScript.h"
#include "rulesets/Py_Thing.h"
#include "rulesets/Character.h"
#include "common/log.h"
#include "common/compose.hpp"
#include <iostream>
ArithmeticFactory::~ArithmeticFactory()
{
}
/// \brief PythonArithmeticFactory constructor
///
/// @param package Name of the package containing the script
/// @param name Name of the type within the package for the script
PythonArithmeticFactory::PythonArithmeticFactory(const std::string & package,
const std::string & name) :
m_module(0), m_class(0),
m_package(package),
m_name(name)
{
// Import the module
PyObject * package_name = PyString_FromString((char *)m_package.c_str());
m_module = PyImport_Import(package_name);
Py_DECREF(package_name);
if (m_module == NULL) {
log(ERROR, String::compose("Missing python module \"%1\"", m_package));
PyErr_Print();
return;
}
// Get a reference to the class
std::string classname(m_name);
classname[0] = toupper(classname[0]);
m_class = PyObject_GetAttrString(m_module, (char *)classname.c_str());
if (m_class == NULL) {
log(ERROR, String::compose("Could not find python class \"%1.%2\"",
m_package, classname));
PyErr_Print();
return;
}
if (PyCallable_Check(m_class) == 0) {
log(ERROR, String::compose("Could not instance python class \"%1.%2\"",
m_package, classname));
Py_DECREF(m_class);
m_class = 0;
return;
}
return;
}
PythonArithmeticFactory::~PythonArithmeticFactory()
{
if (m_module != 0) {
Py_DECREF(m_module);
}
if (m_class != 0) {
Py_DECREF(m_class);
}
}
/// \brief Create a new arithmetic script for a character
///
/// @param chr the Character that requires a new script
ArithmeticScript * PythonArithmeticFactory::newScript(Character & chr)
{
// Create the task, and use its script to add a script
if (m_class == 0) {
std::cout << "No class" << std::endl << std::flush;
return 0;
}
#if 0
PyTask * wrapper = newPyTask();
assert(wrapper != 0);
wrapper->m_task = task;
assert(wrapper->m_task != 0);
PyObject * script = Create_PyScript((PyObject *)wrapper, m_class);
assert(script != 0);
task->setScript(new PythonEntityScript(script, (PyObject *)wrapper));
#endif
// FIXME Pass in entity for initialisation of entity pointer in
// EntityWrapper.
PyObject * entity = wrapEntity(&chr);
if (entity == 0) {
log(ERROR, "Could not wrap character when installing statistics");
}
PyObject * py_object = PyEval_CallFunction(m_class, "(O)", entity);
if (py_object == 0) {
if (PyErr_Occurred() == NULL) {
log(ERROR, "Could not create python stats instance");
} else {
log(ERROR, "Reporting python error");
PyErr_Print();
}
}
ArithmeticScript * script = new PythonArithmeticScript(py_object);
assert(script != 0);
chr.statistics().m_script = script;
return script;
}
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