mirror of
https://github.com/worldforge/cyphesis
synced 2026-08-13 12:26:04 -04:00
125 lines
3.6 KiB
C++
125 lines
3.6 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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// $Id: ScriptFactory.cpp,v 1.6 2006-10-26 00:48:15 alriddoch Exp $
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#include "ScriptFactory.h"
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#include "rulesets/Py_Thing.h"
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#include "rulesets/Python_Script_Utils.h"
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#include "rulesets/PythonThingScript.h"
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#include "rulesets/Entity.h"
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#include "common/log.h"
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ScriptFactory::ScriptFactory(const std::string & package,
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const std::string & type) : m_package(package),
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m_type(type)
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{
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}
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ScriptFactory::~ScriptFactory()
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{
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}
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int PythonScriptFactory::getClass()
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{
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std::string classname(m_type);
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classname[0] = toupper(classname[0]);
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m_class = PyObject_GetAttrString(m_module, (char *)classname.c_str());
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if (m_class == NULL) {
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std::string msg = std::string("Could not find python class ")
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+ m_package + "." + classname;
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log(ERROR, msg.c_str());
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PyErr_Print();
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return -1;
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}
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if (PyCallable_Check(m_class) == 0) {
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std::string msg = std::string("Could not instance python class ")
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+ m_package + "." + classname;
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log(ERROR, msg.c_str());
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Py_DECREF(m_class);
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m_class = 0;
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return -1;
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}
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return 0;
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}
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PythonScriptFactory::PythonScriptFactory(const std::string & package,
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const std::string & type) :
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ScriptFactory(package, type),
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m_module(0), m_class(0)
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{
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PyObject * package_name = PyString_FromString((char *)m_package.c_str());
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m_module = PyImport_Import(package_name);
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Py_DECREF(package_name);
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if (m_module == NULL) {
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std::string msg = std::string("Missing python module ") + m_package;
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log(ERROR, msg.c_str());
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PyErr_Print();
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return;
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}
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getClass();
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}
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PythonScriptFactory::~PythonScriptFactory()
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{
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if (m_class != 0) {
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Py_DECREF(m_class);
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}
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if (m_module != 0) {
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Py_DECREF(m_module);
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}
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}
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int PythonScriptFactory::addScript(Entity * entity)
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{
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if (m_class == 0) {
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return -1;
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}
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PyEntity * wrapper = newPyEntity();
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wrapper->m_entity = entity;
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Subscribe_Script(entity, m_class, m_package);
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PyObject * script = Create_PyScript((PyObject *)wrapper, m_class);
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if (script == NULL) {
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return -1;
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}
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entity->setScript(new PythonEntityScript(script, (PyObject *)wrapper));
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return 0;
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}
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int PythonScriptFactory::refreshClass()
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{
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if (m_module == 0) {
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return -1;
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}
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PyObject * new_module = PyImport_ReloadModule(m_module);
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if (new_module == 0) {
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std::string msg = std::string("Error reloading python module ")
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+ m_package;
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log(ERROR, msg.c_str());
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PyErr_Clear();
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return -1;
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}
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Py_DECREF(m_module);
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m_module = new_module;
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return getClass();
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}
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